/* ==========================================================================
   Yavuz Çakar - Kişisel Web Sitesi, Portfolyo, Kitaplar & Online Radyo
   Modern, Kusursuz Responsive, Aydınlık (Varsayılan) / Karanlık Tema
   ========================================================================== */

:root {
  --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fira Code', monospace;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* ==========================================================================
   1. RENK VE TEMA DEĞİŞKENLERİ
   ========================================================================== */

/* --- AYDINLIK TEMA (VARSAYILAN & OKUNAKLI) --- */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-nav: rgba(255, 255, 255, 0.94);
  --bg-topbar: #f8fafc;
  
  --text-main: #0f172a;
  --text-muted: #334155;
  --text-light: #64748b;
  
  --border-color: #e2e8f0;
  --border-subtle: #edf2f7;
  --border-focus: rgba(var(--accent-rgb), 0.6);
  --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --card-shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --glow-shadow: 0 10px 25px -5px rgba(var(--accent-rgb), 0.2);
  
  /* Yüksek Kontrastlı, 8 Asil Vurgu Rengi */
  --accent-cyan: #0284c7;
  --accent-cyan-rgb: 2, 132, 199;

  --accent-blue: #2563eb;
  --accent-blue-rgb: 37, 99, 235;

  --accent-emerald: #059669;
  --accent-emerald-rgb: 5, 150, 105;

  --accent-teal: #0d9488;
  --accent-teal-rgb: 13, 148, 136;

  --accent-purple: #7c3aed;
  --accent-purple-rgb: 124, 58, 237;

  --accent-rose: #e11d48;
  --accent-rose-rgb: 225, 29, 72;

  --accent-amber: #d97706;
  --accent-amber-rgb: 217, 119, 6;

  --accent-orange: #ea580c;
  --accent-orange-rgb: 234, 88, 12;

  --btn-text: #ffffff;
}

/* --- KARANLIK TEMA --- */
[data-theme="dark"] {
  --bg-primary: #0a0d14;
  --bg-secondary: #111724;
  --bg-card: rgba(18, 24, 38, 0.9);
  --bg-card-hover: rgba(25, 34, 53, 0.98);
  --bg-nav: rgba(10, 13, 20, 0.94);
  --bg-topbar: #07090e;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  
  --border-color: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-focus: rgba(var(--accent-rgb), 0.6);
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --card-shadow-hover: 0 20px 35px -10px rgba(0, 0, 0, 0.9);
  --glow-shadow: 0 0 25px rgba(var(--accent-rgb), 0.35);

  --accent-cyan: #00e5ff;
  --accent-cyan-rgb: 0, 229, 255;

  --accent-blue: #3b82f6;
  --accent-blue-rgb: 59, 130, 246;

  --accent-emerald: #10b981;
  --accent-emerald-rgb: 16, 185, 129;

  --accent-teal: #14b8a6;
  --accent-teal-rgb: 20, 184, 166;

  --accent-purple: #a855f7;
  --accent-purple-rgb: 168, 85, 247;

  --accent-rose: #f43f5e;
  --accent-rose-rgb: 244, 63, 94;

  --accent-amber: #f59e0b;
  --accent-amber-rgb: 245, 158, 11;

  --accent-orange: #fb923c;
  --accent-orange-rgb: 251, 146, 60;

  --btn-text: #0b111e;
}

/* 8 Renk Aktif Vurgu Eşleştirmesi */
[data-accent="cyan"]    { --accent: var(--accent-cyan); --accent-rgb: var(--accent-cyan-rgb); }
[data-accent="blue"]    { --accent: var(--accent-blue); --accent-rgb: var(--accent-blue-rgb); }
[data-accent="emerald"] { --accent: var(--accent-emerald); --accent-rgb: var(--accent-emerald-rgb); }
[data-accent="teal"]    { --accent: var(--accent-teal); --accent-rgb: var(--accent-teal-rgb); }
[data-accent="purple"]  { --accent: var(--accent-purple); --accent-rgb: var(--accent-purple-rgb); }
[data-accent="rose"]    { --accent: var(--accent-rose); --accent-rgb: var(--accent-rose-rgb); }
[data-accent="amber"]   { --accent: var(--accent-amber); --accent-rgb: var(--accent-amber-rgb); }
[data-accent="orange"]  { --accent: var(--accent-orange); --accent-rgb: var(--accent-orange-rgb); }

/* ==========================================================================
   2. TEMEL SIFIRLAMALAR & TİPOGRAFİ
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  text-align: center;
}

p {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  line-height: 1.7;
}

.text-center {
  text-align: center !important;
}

.text-justify {
  text-align: justify !important;
  text-justify: inter-word !important;
  hyphens: auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-subtitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding: 0.4rem 1rem;
  background: rgba(var(--accent-rgb), 0.08);
  border-radius: 30px;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  text-align: center;
}

.section-title {
  font-size: 2.4rem;
  margin-bottom: 0.8rem;
  color: var(--text-main);
  text-align: center;
}

.section-desc {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  text-align: center;
}

.section-desc-wide {
  max-width: 860px !important;
  white-space: nowrap;
}

@media (max-width: 992px) {
  .section-desc-wide {
    white-space: normal;
  }
}

/* ==========================================================================
   3. ÜST BİLGİ ŞERİDİ (TOPBAR)
   ========================================================================== */
/* ==========================================================================
   3. ÜST BİLGİ ŞERİDİ (TOPBAR - ZARİF & CAM EFEKTLİ)
   ========================================================================== */
.site-topbar {
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.8rem;
  padding: 0.45rem 0;
  transition: var(--transition);
}

.topbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  transition: var(--transition);
}

.topbar-icon-badge {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
}

.topbar-item:hover {
  color: var(--accent);
}

.topbar-item:hover .topbar-icon-badge {
  background: var(--accent);
  color: #ffffff;
  transform: scale(1.1);
}

.topbar-sep {
  opacity: 0.3;
  color: var(--text-light);
  font-size: 0.75rem;
}

.topbar-right {
  display: flex !important;
  align-items: center;
  gap: 12px;
  visibility: visible !important;
  opacity: 1 !important;
}

/* Üst Sağ İletişime Geç Butonu (Sosyal Ağların Önünde) */
.topbar-contact-btn {
  display: inline-flex !important;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  color: #ffffff !important;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 9999px;
  text-decoration: none;
  box-shadow: 0 3px 10px rgba(var(--accent-rgb), 0.35);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  letter-spacing: 0.2px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.topbar-contact-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.6);
  filter: brightness(1.1);
  color: #ffffff !important;
}

.topbar-contact-btn i {
  font-size: 0.75rem;
  transition: transform 0.25s ease;
}

.topbar-contact-btn:hover i {
  transform: translateX(2px) translateY(-1px);
}

.topbar-profiles-box, .topbar-social {
  display: flex !important;
  align-items: center;
  gap: 6px;
  visibility: visible !important;
  opacity: 1 !important;
}

.network-pill-btn, .topbar-social a {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--text-main) !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: var(--transition);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  visibility: visible !important;
  opacity: 1 !important;
}

.network-pill-btn:hover, .topbar-social a:hover {
  background: var(--accent);
  color: #ffffff !important;
  transform: translateY(-2px) scale(1.15);
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.45);
}

/* ==========================================================================
   4. FLOATING ISLAND GLASS NAVBAR (YÜZEN LÜKS CAM MENÜ)
   ========================================================================== */
.site-navbar-wrapper {
  position: sticky;
  top: 10px;
  left: 0;
  width: 100%;
  z-index: 1000;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-navbar-floating {
  pointer-events: auto;
  max-width: 1240px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  border-radius: 22px;
  padding: 0.45rem 1.15rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 66px;
  gap: 10px;
  box-shadow: 0 12px 35px -8px rgba(0, 0, 0, 0.08), 0 0 25px -5px rgba(var(--accent-rgb), 0.16);
  transition: var(--transition);
}

[data-theme="dark"] .site-navbar-floating {
  background: rgba(12, 17, 29, 0.92);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  box-shadow: 0 15px 40px -10px rgba(0, 0, 0, 0.7), 0 0 30px rgba(var(--accent-rgb), 0.25);
}

/* 3D Logo Kutusu & Marka */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  height: 100%;
}

.nav-logo-box-3d {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.18), rgba(var(--accent-rgb), 0.04));
  border: 1.5px solid rgba(var(--accent-rgb), 0.4);
  box-shadow: 0 8px 18px -4px rgba(var(--accent-rgb), 0.35), inset 0 2px 3px rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3px;
  transition: var(--transition);
  perspective: 600px;
}

.nav-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.nav-brand:hover .nav-logo-box-3d {
  border-color: var(--accent);
  box-shadow: 0 12px 25px -4px rgba(var(--accent-rgb), 0.5), inset 0 2px 4px rgba(255, 255, 255, 0.9);
  transform: perspective(600px) rotateY(12deg) scale(1.08);
}

.nav-brand-text {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.nav-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.2px;
  line-height: 1;
  white-space: nowrap;
  margin: 0;
  padding: 0;
  display: inline-flex;
  align-items: center;
}

/* Navigasyon Linkleri (Kompakt & Sıfır Taşma) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: 0.42rem 0.65rem;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  position: relative;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-link i {
  font-size: 1.05rem; /* Simge boyutu bir tık büyütüldü */
  opacity: 0.85;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  transform: translateY(-1px);
}

.nav-link:hover i {
  opacity: 1;
  color: var(--accent);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.4);
}

.nav-link.active i {
  opacity: 1;
  color: #ffffff !important;
}

/* 3D Rozetler */
.nav-badge-pill-3d {
  background: rgba(var(--accent-rgb), 0.15);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 9999px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4);
  margin-left: 2px;
  display: inline-block;
}

.nav-link.active .nav-badge-pill-3d {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.nav-badge-glow-3d {
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 9999px;
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.6);
  margin-left: 2px;
  animation: badgeGlowPulse 2s infinite ease-in-out;
  display: inline-block;
}

@keyframes badgeGlowPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.5); }
  50% { transform: scale(1.08); box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.85); }
}

.nav-link-space {
  color: var(--accent) !important;
  border: 1px dashed rgba(var(--accent-rgb), 0.45);
}

.nav-link-space:hover {
  background: rgba(var(--accent-rgb), 0.15) !important;
  border-color: var(--accent);
}

/* Sağ Aksiyonlar */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* 3D Cam Butonlar */
.btn-icon-3d {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05), inset 0 1px 1px rgba(255, 255, 255, 0.5);
}

.btn-icon-3d:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 18px -3px rgba(var(--accent-rgb), 0.35);
}

/* 3D Gradient CTA Butonu */
.btn-nav-cta-3d {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.52rem 1.15rem;
  border-radius: 9999px;
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  color: #ffffff !important;
  font-size: 0.84rem;
  font-weight: 700;
  box-shadow: 0 6px 18px -2px rgba(var(--accent-rgb), 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-nav-cta-3d:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(var(--accent-rgb), 0.6);
  filter: brightness(1.1);
}

/* 3D Renk Paleti Menüsü */
.color-picker-dropdown {
  position: relative;
}

.color-options-3d {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: var(--bg-card);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  border-radius: 18px;
  padding: 14px;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  box-shadow: 0 25px 45px -8px rgba(0, 0, 0, 0.3), 0 0 20px rgba(var(--accent-rgb), 0.15);
  z-index: 1050;
  width: 180px;
}

.color-options-3d::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}

.color-picker-dropdown.active .color-options-3d,
.color-picker-dropdown:hover .color-options-3d {
  display: grid;
  animation: dropdownPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.color-dot-3d {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2), inset 0 2px 2px rgba(255, 255, 255, 0.4);
  position: relative;
}

.color-dot-3d:hover {
  transform: scale(1.25);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.35);
}

.color-dot-3d.active {
  border-color: #ffffff;
  box-shadow: 0 0 0 2.5px var(--accent), 0 6px 14px rgba(0, 0, 0, 0.35);
  transform: scale(1.2);
}

.color-dot-3d.active::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  background: #ffffff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.nav-toggle-3d {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-main);
  font-size: 1.15rem;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   5. HERO BÖLÜMÜ
   ========================================================================== */
.hero-section {
  padding: 70px 0 60px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: stretch;
  gap: 3.5rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.hero-intro-body {
  margin: auto 0;
  width: 100%;
}

.hero-badge-wrap {
  text-align: center;
  margin-bottom: 1.5rem;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 0.45rem 1.1rem;
  border-radius: 30px;
  margin: 0 auto;
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-size: 3.2rem;
  margin-bottom: 0.8rem;
  letter-spacing: -0.8px;
  color: var(--text-main);
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.hero-bio-container {
  margin-bottom: 1.8rem;
  max-width: 100%;
}

.hero-bio {
  font-size: 1.08rem;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  max-width: 100%;
  line-height: 1.85;
  text-align: justify !important;
  text-justify: inter-word !important;
  text-indent: 2.2rem !important;
  hyphens: auto;
  -webkit-hyphens: auto;
  letter-spacing: 0.1px;
}

.hero-bio:last-child {
  margin-bottom: 0;
}

.hero-contact-chips {
  display: flex;
  align-items: center;
  justify-content: center !important;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto !important;
  margin-bottom: 0 !important;
  margin-left: auto !important;
  margin-right: auto !important;
  width: 100%;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.hero-chip i {
  color: var(--accent);
}

.hero-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-chip-muted {
  cursor: default;
  color: var(--text-muted);
}

.hero-cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-text) !important;
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--accent) !important;
  border: 2px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--btn-text) !important;
  transform: translateY(-2px);
  box-shadow: var(--glow-shadow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* Profil Resmi Çerçevesi */
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: stretch;
  height: 100%;
}

.hero-avatar-frame {
  position: relative;
  width: 350px;
  max-width: 100%;
  height: 100%;
  min-height: 440px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(var(--accent-rgb), 0.3);
  box-shadow: var(--card-shadow-hover);
  background: var(--bg-secondary);
}

.hero-avatar-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.hero-avatar-frame:hover img {
  transform: scale(1.03);
}

.avatar-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 0.85rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
}

.avatar-badge-icon i {
  font-size: 1.6rem;
  color: var(--accent);
}

.avatar-badge-text h4 {
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.avatar-badge-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   6. BİYOGRAFİ & HAKKIMDA BÖLÜMÜ
   ========================================================================== */
.about-section {
  padding: 85px 0;
  background: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.about-text-content {
  font-size: 1.02rem;
  color: var(--text-main);
  line-height: 1.85;
  text-align: justify;
  text-justify: inter-word;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.8rem 1.5rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.feature-box:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.feature-box h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.feature-box p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   7. KİTAPLAR (4 ESER KART VE LİSTE)
   ========================================================================== */
.books-section {
  padding: 85px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.books-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.book-card-premium {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.book-card-premium:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--card-shadow-hover);
}

.book-cover-wrap {
  position: relative;
  background: #0f172a;
  padding: 1.5rem 1.5rem 0.5rem;
  display: flex;
  justify-content: center;
}

.book-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--accent);
  color: var(--btn-text);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 12px;
  text-transform: uppercase;
}

.book-cover-img {
  width: 170px;
  height: 250px;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
}

.book-card-premium:hover .book-cover-img {
  transform: scale(1.04);
}

.book-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  height: 100%;
}

.book-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.35rem;
  line-height: 1.35;
  min-height: 3.1rem;
  display: flex;
  align-items: flex-start;
}

.book-card-subtitle {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.8rem;
  min-height: 2.3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.35;
}

.book-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.85rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  min-height: 2.1rem;
}

.book-card-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  min-height: 4.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 0;
}

.book-card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.btn-book-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-sm);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-book-action:hover {
  background: var(--accent);
  color: var(--btn-text);
  border-color: var(--accent);
}

/* ==========================================================================
   8. KİTAPLAR TANITIM SAYFASI (kitaplar.php)
   ========================================================================== */
.page-banner {
  padding: 60px 0 45px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
}

.page-banner-title {
  font-size: 2.8rem;
  margin-top: 10px;
  margin-bottom: 0.8rem;
}

.page-banner-desc {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.books-detail-section {
  padding: 70px 0;
  background: var(--bg-primary);
}

.books-detail-stack {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.book-presentation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.8rem;
  box-shadow: var(--card-shadow);
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3.5rem;
  align-items: center;
  transition: var(--transition);
}

.book-presentation-card:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(var(--accent-rgb), 0.4);
}

.book-presentation-card.row-reverse {
  grid-template-columns: 1fr 320px;
}

.book-presentation-card.row-reverse .book-cover-presentation {
  order: 2;
}

.book-presentation-card.row-reverse .book-presentation-content {
  order: 1;
}

.book-cover-stage {
  position: relative;
  background: linear-gradient(145deg, #1e293b, #0f172a);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  display: flex;
  justify-content: center;
}

.book-presentation-badge {
  position: absolute;
  top: -12px;
  right: 15px;
  background: var(--accent);
  color: var(--btn-text);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}

.book-presentation-img {
  width: 220px;
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: -10px 10px 25px rgba(0, 0, 0, 0.5);
  transition: transform 0.4s ease;
}

.book-presentation-card:hover .book-presentation-img {
  transform: scale(1.03) rotate(-1deg);
}

.book-edition-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 0.8rem;
}

.book-presentation-title {
  font-size: 2.2rem;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.book-presentation-subtitle {
  font-size: 1.15rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.book-meta-strip {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-light);
  flex-wrap: wrap;
}

.book-meta-strip i {
  color: var(--accent);
}

.book-presentation-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.book-presentation-quote {
  border-left: 3px solid var(--accent);
  padding: 0.8rem 1.2rem;
  background: rgba(var(--accent-rgb), 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 1.8rem;
  font-style: italic;
  color: var(--text-main);
  display: flex;
  gap: 10px;
}

.book-presentation-quote i {
  color: var(--accent);
  font-size: 1.1rem;
}

.purchase-title {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-light);
  margin-bottom: 0.8rem;
}

.purchase-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-purchase {
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--btn-text) !important;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.25);
  transition: var(--transition);
}

.btn-purchase:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(var(--accent-rgb), 0.4);
}

.badge-price {
  background: rgba(255, 255, 255, 0.25);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  margin-left: 4px;
}

/* FAQ Kutuları */
.books-faq-section {
  padding: 70px 0;
  background: var(--bg-secondary);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.faq-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--card-shadow);
}

.faq-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.faq-box h4 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.faq-box p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   9. YAVUZ ONLINE RADYO (v2.0) SPOTLIGHT & PORTAL
   ========================================================================== */
.software-spotlight-section {
  padding: 85px 0;
  background: var(--bg-primary);
}

.software-spotlight-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--card-shadow-hover);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.software-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  margin-bottom: 1rem;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
}

.software-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.version-tag {
  color: var(--accent);
}

.software-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.software-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.2rem;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.8rem 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.spec-item i {
  font-size: 1.4rem;
  color: var(--accent);
}

.spec-item div {
  display: flex;
  flex-direction: column;
}

.spec-item strong {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-light);
}

.spec-item span {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}

.software-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.software-actions .btn {
  padding: 0.8rem 1.25rem;
  font-size: 0.92rem;
  white-space: nowrap;
}

.btn-download {
  font-size: 0.95rem;
}

/* Yazılım Vitrini & Canlı Ekolayzer Kartı */
.software-preview-box {
  position: relative;
}

.preview-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.25) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 0;
}

.preview-card {
  position: relative;
  z-index: 1;
  background: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  text-align: center;
}

.preview-header {
  background: #1e293b;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.preview-dots {
  display: flex;
  gap: 6px;
}

.preview-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.preview-dots span:nth-child(1) { background: #ef4444; }
.preview-dots span:nth-child(2) { background: #f59e0b; }
.preview-dots span:nth-child(3) { background: #10b981; }

.preview-title {
  color: #94a3b8;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  margin: 0 auto;
}

.preview-body {
  padding: 2.2rem 1.5rem;
}

.preview-app-icon img {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.25rem;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0, 229, 255, 0.3);
}

.preview-body h4 {
  color: #f8fafc;
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.preview-body p {
  color: #94a3b8;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

.mini-eq-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  height: 48px;
  margin-bottom: 1.5rem;
  padding: 0 10px;
}

.mini-eq-bars span {
  width: 8px;
  background: var(--accent);
  border-radius: 4px;
  box-shadow: 0 0 10px var(--accent);
  animation: eqBounce 1.2s infinite ease-in-out alternate;
}

.mini-eq-bars span:nth-child(odd) { animation-duration: 0.8s; }
.mini-eq-bars span:nth-child(2n)  { animation-duration: 1.4s; }
.mini-eq-bars span:nth-child(3n)  { animation-duration: 1.0s; }

@keyframes eqBounce {
  0%   { height: 15%; opacity: 0.5; }
  100% { height: 95%; opacity: 1; }
}

.preview-rec-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ef4444;
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(239, 68, 68, 0.15);
  padding: 4px 12px;
  border-radius: 20px;
}

.preview-rec-tag i {
  font-size: 0.6rem;
  animation: pulse 1s infinite;
}

/* ==========================================================================
   10. RADYO TANITIM SAYFASI (radyo.php)
   ========================================================================== */
.radio-overview-section {
  padding: 70px 0;
  background: var(--bg-primary);
}

.radio-overview-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--card-shadow);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.app-version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 1rem;
}

.radio-overview-title {
  font-size: 2.4rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.radio-overview-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.radio-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.radio-spec-box {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.9rem 1.2rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.radio-spec-box i {
  font-size: 1.6rem;
  color: var(--accent);
}

.radio-spec-box div {
  display: flex;
  flex-direction: column;
}

.radio-spec-box small {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
}

.radio-spec-box strong {
  font-size: 0.95rem;
  color: var(--text-main);
}

.radio-download-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.btn-download-lg {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius);
}

.btn-download-lg i {
  font-size: 1.6rem;
}

.btn-download-lg div {
  text-align: left;
}

.btn-download-lg span {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-download-lg small {
  display: block;
  font-size: 0.75rem;
  opacity: 0.85;
}

/* Uygulama Mockup Window */
.app-window-mockup {
  background: #0b111e;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.window-titlebar {
  background: #141c2e;
  padding: 0.75rem 1.2rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-controls {
  display: flex;
  gap: 6px;
}

.window-controls .ctrl {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.window-controls .close { background: #ef4444; }
.window-controls .min   { background: #f59e0b; }
.window-controls .max   { background: #10b981; }

.window-title {
  margin-left: 1rem;
  color: #94a3b8;
  font-size: 0.8rem;
  font-weight: 600;
}

.window-content {
  padding: 1.75rem;
}

.player-top-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.player-station-badge {
  background: rgba(var(--accent-rgb), 0.15);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
}

.player-rec-indicator {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.rec-blink {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  animation: pulse 1s infinite;
}

.player-track-info {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 1.75rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 12px;
  border-radius: var(--radius);
}

.track-artwork-box {
  width: 54px;
  height: 54px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #1e293b);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
}

.track-meta {
  text-align: left;
}

.track-status {
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
}

.track-title {
  color: #f8fafc;
  font-size: 1.1rem;
  margin: 2px 0;
}

.track-album {
  color: #94a3b8;
  font-size: 0.8rem;
}

/* 28 Sütunlu Ekolayzer */
.neon-equalizer-sim {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 80px;
  background: rgba(0, 0, 0, 0.3);
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  margin-bottom: 1.5rem;
}

.eq-col {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
  margin: 0 1px;
}

.eq-col .bar {
  width: 100%;
  background: linear-gradient(180deg, #fff 0%, var(--accent) 70%, rgba(var(--accent-rgb), 0.5) 100%);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent);
  animation: eqLive 1.4s infinite ease-in-out alternate;
}

.eq-col:nth-child(odd) .bar  { animation-duration: 0.9s; }
.eq-col:nth-child(2n) .bar   { animation-duration: 1.3s; }
.eq-col:nth-child(3n) .bar   { animation-duration: 1.1s; }
.eq-col:nth-child(5n) .bar   { animation-duration: 0.7s; }

@keyframes eqLive {
  0%   { height: 20%; opacity: 0.6; }
  100% { height: 95%; opacity: 1; }
}

.player-controls-mock {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ctrl-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  cursor: pointer;
}

.ctrl-btn.play-active {
  background: var(--accent);
  color: var(--btn-text);
  box-shadow: 0 0 15px var(--accent);
}

.ctrl-vol {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
  font-size: 0.85rem;
}

.vol-bar {
  width: 60px;
  height: 4px;
  background: #334155;
  border-radius: 2px;
  position: relative;
}

.vol-bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 75%;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
}

/* 6 Özellik Izgarası */
.radio-features-section {
  padding: 85px 0;
  background: var(--bg-secondary);
}

.features-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card-modern {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2.2rem 1.8rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.feature-card-modern:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: var(--card-shadow-hover);
}

.feat-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card-modern h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.feature-card-modern p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Hızlı Başlangıç Rehberi */
.radio-guide-section {
  padding: 70px 0;
  background: var(--bg-primary);
}

.guide-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--card-shadow);
}

.guide-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.guide-header i {
  font-size: 2.4rem;
  color: var(--accent);
}

.guide-header h3 {
  font-size: 1.6rem;
  color: var(--text-main);
}

.guide-header p {
  color: var(--text-muted);
}

.guide-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.guide-step {
  position: relative;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.step-num {
  position: absolute;
  top: -15px;
  left: 20px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--btn-text);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-shadow);
}

.guide-step h4 {
  font-size: 1.1rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.guide-step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   11. CV: YETENEKLER & DENEYİMLER (Timeline)
   ========================================================================== */
.cv-section {
  padding: 85px 0;
  background: var(--bg-primary);
}

.cv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.cv-column-title {
  font-size: 1.4rem;
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
}

.cv-column-title i {
  color: var(--accent);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.skill-item {
  background: var(--bg-card);
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
}

.skill-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.skill-percent {
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.skill-progress-bar {
  width: 100%;
  height: 7px;
  background: var(--bg-secondary);
  border-radius: 10px;
  overflow: hidden;
}

.skill-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 10px;
  transition: width 1s ease;
}

.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -2.4rem;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 10px var(--accent);
}

.timeline-period {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.timeline-company {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   11.B GELİŞTİRDİĞİM WEB PROJELERİ & REFERANSLAR
   ========================================================================== */
.projects-section {
  padding: 85px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.projects-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card-modern {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.project-card-modern:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--card-shadow-hover);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  gap: 10px;
}

.project-category-tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
}

.project-verified-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: #10b981;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.project-card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
}

.project-title {
  font-size: 1.35rem;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-pill {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-light);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 6px;
}

.project-card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 1.2rem;
}

.btn-project-visit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.btn-project-visit i {
  color: var(--accent);
  transition: transform 0.2s ease;
}

.btn-project-visit:hover {
  background: var(--accent);
  color: var(--btn-text);
  border-color: var(--accent);
  box-shadow: var(--glow-shadow);
}

.btn-project-visit:hover i {
  color: var(--btn-text);
  transform: translate(2px, -2px);
}

/* ==========================================================================
   12. İLETİŞİM BÖLÜMÜ
   ========================================================================== */
.contact-section {
  padding: 85px 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.contact-info-card, .contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.contact-info-card h3, .contact-form-card h3 {
  font-size: 1.55rem;
  font-weight: 800;
  min-height: 2.2rem;
  line-height: 1.3;
  margin-bottom: 0.4rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
}

.contact-item-box {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 1.5rem;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-item-box div h5 {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 2px;
}

.contact-item-box div p {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.contact-item-box div small {
  font-size: 0.8rem;
  color: var(--text-light);
}

.contact-social-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.5rem 0.9rem;
  border-radius: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.social-pill i {
  color: var(--accent);
}

.social-pill:hover {
  background: var(--accent);
  color: var(--btn-text);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.social-pill:hover i {
  color: var(--btn-text);
}

/* Form Elemanları */
.site-form .form-group {
  margin-bottom: 1.25rem;
}

.site-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

/* ==========================================================================
   13. ALT BİLGİ (FOOTER)
   ========================================================================== */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 25px;
}

/* ==========================================================================
   13. ALT BİLGİ (FOOTER) - 4 SÜTUNLU EXECUTIVE TASARIM & 3D ROZETLER
   ========================================================================== */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

/* 1. Üst Hızlı CTA Şeridi */
.footer-cta-strip {
  padding: 45px 0;
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.05) 0%, transparent 100%);
  border-bottom: 1px solid var(--border-color);
}

.footer-cta-card {
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.12) 0%, rgba(var(--accent-rgb), 0.03) 100%);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-radius: 24px;
  padding: 2.2rem 2.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: 0 15px 35px -10px rgba(var(--accent-rgb), 0.2), inset 0 1px 2px rgba(255, 255, 255, 0.4);
  position: relative;
  overflow: hidden;
}

.footer-cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.footer-cta-content {
  max-width: 650px;
}

.footer-cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.15);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-cta-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
}

.footer-cta-content p {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.footer-cta-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn-3d-pulse {
  position: relative;
  box-shadow: 0 8px 25px -4px rgba(var(--accent-rgb), 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  animation: pulseGlow 2.5s infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 8px 25px -4px rgba(var(--accent-rgb), 0.45); }
  50% { box-shadow: 0 12px 32px 0 rgba(var(--accent-rgb), 0.7); }
}

/* 2. Ana 4 Kolonlu Grid */
.footer-content-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.15fr 1.15fr;
  gap: 2.5rem;
  padding: 60px 0 50px;
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1.2rem;
}

.footer-logo-box-3d {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.18), rgba(var(--accent-rgb), 0.04));
  border: 1.5px solid rgba(var(--accent-rgb), 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px -4px rgba(var(--accent-rgb), 0.35), inset 0 2px 2px rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.footer-logo-box-3d:hover {
  transform: translateY(-3px) scale(1.05);
}

.footer-logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.footer-brand-text h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 2px;
}

.footer-brand-subtitle {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 5px;
}

.footer-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

/* 3D Sosyal Medya Butonları */
.footer-social-3d {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-btn-3d {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06), inset 0 1px 1px rgba(255, 255, 255, 0.5);
  position: relative;
}

.social-btn-3d:hover {
  background: var(--accent);
  color: #ffffff !important;
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 10px 22px -3px rgba(var(--accent-rgb), 0.55);
}

.footer-heading {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1.35rem;
  display: flex;
  align-items: center;
}

/* Hızlı Bağlantılar */
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  padding: 4px 0;
}

.footer-links a i {
  font-size: 0.68rem;
  color: var(--accent);
  margin-right: 8px;
  transition: transform 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-links a:hover i {
  transform: translateX(3px);
}

.footer-badge-count {
  font-size: 0.72rem;
  font-weight: 800;
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  padding: 1px 7px;
  border-radius: 9999px;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  margin-left: auto;
}

/* Geliştirilen Siteler Listesi */
.footer-client-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-client-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: var(--transition);
  color: var(--text-main);
  position: relative;
}

.footer-client-card:hover {
  background: var(--bg-card);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px -2px rgba(var(--accent-rgb), 0.2);
}

.footer-client-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.4);
}

.footer-client-card strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text-main);
  line-height: 1.2;
}

.footer-client-card span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-light);
  line-height: 1.2;
  margin-top: 2px;
}

.client-arrow {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-light);
  transition: transform 0.2s ease, color 0.2s ease;
}

.footer-client-card:hover .client-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* İletişim & Lokasyon Kartları (3D) */
.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item-3d {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: var(--transition);
}

.footer-contact-item-3d:hover {
  border-color: var(--accent);
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px -2px rgba(var(--accent-rgb), 0.18);
}

.footer-icon-3d {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.18), rgba(var(--accent-rgb), 0.05));
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04), inset 0 1px 1px rgba(255, 255, 255, 0.5);
}

.footer-contact-item-3d span {
  display: block;
  font-size: 0.72rem;
  color: var(--text-light);
  line-height: 1.2;
}

.footer-contact-item-3d a,
.footer-contact-item-3d p {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin: 0;
}

.footer-contact-item-3d a:hover {
  color: var(--accent);
}

/* 3. Alt Telif ve Güvenlik Şeridi */
.footer-bottom-bar {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 22px 0;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 15px;
}

.footer-bottom-flex p {
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

.footer-bottom-links .sep {
  color: var(--border-color);
}

/* ==========================================================================
   GENEL 3D KART İKONLARI & PERSPEKTİF PARLAMA EFEKTLERİ
   ========================================================================== */
.demo-icon-box {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.16) 0%, rgba(var(--accent-rgb), 0.04) 100%);
  border: 1.5px solid rgba(var(--accent-rgb), 0.35);
  box-shadow: 0 8px 20px -4px rgba(var(--accent-rgb), 0.28), inset 0 2px 2px rgba(255, 255, 255, 0.6);
  color: var(--accent);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.35s ease;
  perspective: 600px;
}

.demo-card:hover .demo-icon-box {
  transform: translateY(-5px) rotateX(10deg) rotateY(-10deg) scale(1.1);
  box-shadow: 0 14px 28px -4px rgba(var(--accent-rgb), 0.45), inset 0 2px 3px rgba(255, 255, 255, 0.8);
  border-color: var(--accent);
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.18), rgba(var(--accent-rgb), 0.05));
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  border: 1.5px solid rgba(var(--accent-rgb), 0.3);
  box-shadow: 0 8px 18px -4px rgba(var(--accent-rgb), 0.3), inset 0 2px 2px rgba(255, 255, 255, 0.6);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item-box:hover .contact-icon-box {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 12px 24px -4px rgba(var(--accent-rgb), 0.45);
}

.stat-glass-card {
  perspective: 800px;
}

.stat-glass-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.2), rgba(var(--accent-rgb), 0.05));
  border: 1.5px solid rgba(var(--accent-rgb), 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  box-shadow: 0 8px 20px -4px rgba(var(--accent-rgb), 0.3), inset 0 2px 2px rgba(255, 255, 255, 0.6);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stat-glass-card:hover .stat-glass-icon {
  transform: translateY(-4px) scale(1.1) rotateZ(5deg);
}

/* ==========================================================================
   14. DUYARLI TASARIM (RESPONSIVE BREAKPOINTS - SIFIR TAŞMA)
   ========================================================================== */
@media (max-width: 1200px) {
  .nav-menu {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 100%;
    max-width: 320px;
    height: calc(100vh - 72px);
    background: var(--bg-card);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem 1rem;
    gap: 0.6rem;
    transition: left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-right: 1px solid var(--border-color);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.15);
    z-index: 1001;
    overflow-y: auto;
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-toggle, .nav-toggle-3d {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .btn-nav-cta, .btn-nav-cta-3d {
    display: none;
  }
  .site-navbar-floating {
    padding: 0.45rem 1rem;
    min-height: 62px;
  }
  .nav-menu {
    top: 80px;
    height: calc(100vh - 80px);
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }
  .hero-bio {
    margin: 0 auto 0.85rem;
    text-align: justify !important;
    text-indent: 1.8rem !important;
  }
  .hero-contact-chips, .hero-cta {
    justify-content: center;
  }
  .hero-content {
    height: auto;
  }
  .hero-avatar-frame {
    height: 400px;
    min-height: auto;
    width: 320px;
  }
  .hero-image-wrap {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    height: auto;
  }
  .about-grid, .cv-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .books-grid-4, .projects-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .software-spotlight-card, .radio-overview-card {
    grid-template-columns: 1fr;
  }
  .features-grid-6, .faq-grid, .guide-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .book-presentation-card, .book-presentation-card.row-reverse {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .book-presentation-card.row-reverse .book-cover-presentation {
    order: 1;
  }
  .book-presentation-card.row-reverse .book-presentation-content {
    order: 2;
  }
  .book-meta-strip, .purchase-buttons {
    justify-content: center;
  }
  .footer-content-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .topbar-container {
    justify-content: space-between;
    gap: 6px;
  }
  .topbar-location, .topbar-sep:last-of-type {
    display: none;
  }
  .topbar-left {
    flex-wrap: nowrap;
    font-size: 0.78rem;
    gap: 8px;
  }
  .topbar-right {
    display: flex !important;
  }
  .nav-container {
    min-height: 64px;
    height: 64px;
  }
  .nav-menu {
    top: 64px;
    height: calc(100vh - 64px);
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-subtitle {
    font-size: 1.1rem;
  }
  .books-grid-4, .projects-grid-3, .features-grid-6, .faq-grid, .guide-steps-grid {
    grid-template-columns: 1fr;
  }
  .software-specs, .radio-specs-grid {
    grid-template-columns: 1fr;
  }
  .footer-cta-card {
    flex-direction: column;
    text-align: center;
    padding: 1.8rem 1.4rem;
  }
  .footer-cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .footer-cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .footer-bottom-flex {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

/* ==========================================================================
   15. 48 CANLI DEMO & İNTERAKTİF PROJELER VİTRİNİ STİLLERİ
   ========================================================================== */
.demos-hero-section {
  padding: 80px 0 45px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.hero-top-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent);
  padding: 0.4rem 1.1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  box-shadow: 0 4px 15px -3px rgba(var(--accent-rgb), 0.15);
}

.hero-main-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 1.2rem;
  color: var(--text-main);
  text-align: center !important;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-sub-desc {
  max-width: 820px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-muted);
  text-align: justify;
  text-justify: inter-word;
}

/* İstatistik Sayaçları (Glassmorphism) */
.showcase-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.2rem;
  max-width: 1040px;
  margin: 0 auto;
}

.stat-glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.4rem 1rem;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-focus);
}

.stat-glass-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.stat-glass-val {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
}

.stat-glass-lbl {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
}

/* Filtre ve Arama Bölümü */
.demo-filter-section {
  padding: 2.5rem 0 1rem;
  background: var(--bg-primary);
}

.demo-search-wrapper {
  max-width: 580px;
  margin: 0 auto 1.8rem;
  position: relative;
}

.demo-search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 1rem;
  pointer-events: none;
}

.demo-search-input {
  width: 100%;
  padding: 0.9rem 2.8rem 0.9rem 3.2rem;
  font-size: 0.95rem;
  border-radius: 9999px;
  border: 1.5px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-main);
  outline: none;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  font-family: inherit;
}

.demo-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.15);
}

.demo-search-clear {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
}

.demo-search-clear:hover {
  color: var(--text-main);
}

.demo-filter-pills-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.demo-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.55rem 1.15rem;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 5px rgba(0,0,0,0.03);
}

.demo-filter-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.demo-filter-pill.active {
  background: var(--accent);
  color: var(--btn-text) !important;
  border-color: var(--accent);
  box-shadow: 0 4px 14px -2px rgba(var(--accent-rgb), 0.4);
}

.demo-filter-pill.active i {
  color: var(--btn-text) !important;
}

.pill-count {
  font-size: 0.75rem;
  opacity: 0.85;
  font-family: var(--font-mono);
}

.demo-filter-status {
  font-size: 0.88rem;
  color: var(--text-light);
}

/* 48 Demo Grid */
.demos-grid-section {
  padding: 1.5rem 0 5rem;
  background: var(--bg-primary);
}

.demos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.demo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.demo-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-focus);
}

.demo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #38bdf8);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.demo-card:hover::before {
  opacity: 1;
}

.demo-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.demo-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  border: 1px solid;
  box-shadow: 0 4px 10px rgba(0,0,0,0.06);
}

.demo-cat-badge {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  border: 1px solid;
  letter-spacing: 0.5px;
}

.demo-card-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  text-align: center !important;
  line-height: 1.35;
}

.demo-card-title a {
  color: inherit;
}

.demo-card-title a:hover {
  color: var(--accent);
}

.demo-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  text-align: justify !important;
  text-justify: inter-word !important;
}

.demo-card-footer {
  border-top: 1px dashed var(--border-color);
  padding-top: 1.1rem;
  margin-top: auto;
}

.demo-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 0.65rem 1rem;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.08);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  transition: var(--transition);
}

.demo-action-btn:hover {
  background: var(--accent);
  color: var(--btn-text) !important;
  box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.35);
  transform: translateY(-2px);
}

/* SSS Akordeon */
.demo-faq-section {
  padding: 4rem 0 6rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--accent);
  box-shadow: var(--card-shadow);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
}

.faq-arrow {
  color: var(--text-light);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 1.5rem 1.25rem;
}

.no-demos-box {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius);
  margin-top: 2rem;
}

.no-demos-box i {
  font-size: 3rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

.no-demos-box h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.no-demos-box p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  text-align: center;
}

/* ==========================================================================
   16. YÜZEN HIZLI AKSİYON BUTONLARI (FAB: WHATSAPP, TELEFON, YUKARI ÇIK)
   ========================================================================== */
.floating-action-bar {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
  align-items: center;
}

.fab-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #ffffff !important;
  text-decoration: none;
  cursor: pointer;
  border: none;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease, opacity 0.3s ease;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25), inset 0 2px 2px rgba(255, 255, 255, 0.4);
}

.fab-btn:hover {
  transform: scale(1.12) translateY(-3px);
}

/* WhatsApp Butonu */
.fab-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45), inset 0 2px 2px rgba(255, 255, 255, 0.5);
  animation: fabPulseGreen 2.5s infinite;
}

@keyframes fabPulseGreen {
  0%, 100% { box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45); }
  50% { box-shadow: 0 12px 32px rgba(37, 211, 102, 0.75); }
}

/* Telefon Butonu */
.fab-phone {
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%);
  box-shadow: 0 8px 25px rgba(var(--accent-rgb), 0.45), inset 0 2px 2px rgba(255, 255, 255, 0.5);
}

/* Yukarı Çık Butonu (Back to Top) */
.fab-top {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
  color: #38bdf8 !important;
  border: 1.5px solid rgba(56, 189, 248, 0.45) !important;
  font-size: 1.25rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.2) !important;
  opacity: 0;
  transform: scale(0.6) translateY(20px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.fab-top.visible {
  opacity: 1 !important;
  transform: scale(1) translateY(0) !important;
  pointer-events: auto !important;
}

.fab-top:hover {
  background: linear-gradient(135deg, var(--accent) 0%, #1d4ed8 100%) !important;
  color: #ffffff !important;
  border-color: #ffffff !important;
  box-shadow: 0 12px 30px rgba(var(--accent-rgb), 0.6) !important;
  transform: scale(1.15) translateY(-4px) !important;
}

/* Tooltip Etiketi */
.fab-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(10px);
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.fab-btn:hover .fab-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 768px) {
  .floating-action-bar {
    bottom: 20px;
    right: 18px;
    gap: 10px;
  }
  .fab-btn {
    width: 46px;
    height: 46px;
    font-size: 1.2rem;
  }
  .fab-tooltip {
    display: none;
  }
}

/* ==========================================================================
   17. YENİ PROGRAMLAR & MASAÜSTÜ YAZILIMLAR GRİD STİLLERİ
   ========================================================================== */
.programs-extra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.75rem;
}

.program-mini-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.program-mini-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: var(--card-shadow-hover);
}

.program-mini-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.program-mini-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  border: 1.5px solid;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05), inset 0 1px 1px rgba(255, 255, 255, 0.5);
  transition: transform 0.3s ease;
}

.program-mini-card:hover .program-mini-icon {
  transform: scale(1.1) rotate(5deg);
}

.badge-status-upcoming {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.program-mini-title {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.65rem;
}

.program-mini-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.program-mini-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--border-color);
  padding-top: 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-light);
}

.program-placeholder-card, .project-placeholder-card {
  border-style: dashed;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.04), transparent);
}

/* ==========================================================================
   18. SİTE GENELİ BİR TIK BÜYÜTÜLMÜŞ İKON BOYUTLARI
   ========================================================================== */
.btn i {
  font-size: 1.05rem;
}

.hero-chip i {
  font-size: 1.05rem;
}

.contact-icon-box i {
  font-size: 1.55rem;
}

.footer-icon-3d i, .footer-client-icon i {
  font-size: 1.15rem;
}

.social-btn-3d i, .footer-social a i {
  font-size: 1.15rem;
}

.btn-icon-3d i {
  font-size: 1.15rem;
}

.section-subtitle i {
  font-size: 1.05rem;
}

.cv-column-title i {
  font-size: 1.25rem;
}

/* ==========================================================================
   19. GELİŞMİŞ HAKKIMDA BÖLÜMÜ (ABOUT SECTION) STİLLERİ
   ========================================================================== */
.about-narrative-column {
  display: flex;
  flex-direction: column;
}

.about-text-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-intro-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 30px;
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  font-size: 0.85rem;
  font-weight: 700;
  width: fit-content;
}

.about-quote-box {
  position: relative;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.08) 0%, rgba(var(--accent-rgb), 0.02) 100%);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem 1.8rem;
  margin: 0.5rem 0;
}

.quote-icon {
  font-size: 1.4rem;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 0.4rem;
}

.quote-text {
  font-size: 1.05rem;
  font-style: italic;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 0.4rem;
}

.quote-author {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent);
  text-align: right;
}

/* Temel İlkeler */
.about-principles {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  margin-top: auto;
}

.principles-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.principle-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 0.85rem;
  height: 100%;
  transition: var(--transition);
}

.principle-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--card-shadow);
}

.principle-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.principle-item strong {
  display: flex;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-main);
  min-height: 2.3rem;
  line-height: 1.3;
}

.principle-item p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0;
  flex-grow: 1;
}

/* 3D Yetkinlik Kartları */
.about-features-column {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  height: 100%;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  flex-grow: 1;
}

.feature-box-3d {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--card-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.feature-box-3d::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-box-3d:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--accent-rgb), 0.5);
  box-shadow: 0 16px 32px -8px rgba(var(--accent-rgb), 0.2);
}

.feature-box-3d:hover::before {
  opacity: 1;
}

.feature-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.feature-header-row .feature-icon {
  margin-bottom: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.18), rgba(var(--accent-rgb), 0.05));
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  box-shadow: 0 4px 10px rgba(var(--accent-rgb), 0.15);
}

.feature-tag {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.feature-box-3d h4 {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  min-height: 2.8rem;
  display: flex;
  align-items: center;
  line-height: 1.35;
}

.feature-box-3d p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
  flex-grow: 1;
}

.feature-tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 1rem;
}

.feature-tech-pills span {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-light);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: 'Fira Code', monospace;
}

/* Yetkinlik Havuzu */
.skills-showcase-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--card-shadow);
}

.skills-box-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.skills-box-title i {
  color: var(--accent);
}

.skills-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center !important;
  gap: 8px;
}

.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.42rem 0.85rem;
  border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
}

.skill-badge i {
  color: var(--accent);
}

.skill-badge:hover {
  background: var(--accent);
  color: var(--btn-text);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.3);
}

.skill-badge:hover i {
  color: var(--btn-text);
}

/* Kilometre Taşları & Zaman Çizelgesi */
.about-timeline-section {
  margin-top: 4rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--border-color);
}

.timeline-header {
  margin-bottom: 2.5rem;
}

.timeline-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-top: 0.4rem;
}

.timeline-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.timeline-cards-row::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, rgba(var(--accent-rgb), 0.2) 100%);
  z-index: 1;
}

.timeline-step-card {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.timeline-step-year {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent);
  background: var(--bg-card);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  box-shadow: var(--card-shadow);
  width: fit-content;
  margin-bottom: 0.75rem;
  height: 28px;
  display: inline-flex;
  align-items: center;
}

.timeline-step-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-card);
  box-shadow: 0 0 10px var(--accent);
  margin-bottom: 1.25rem;
  transition: transform 0.3s ease;
}

.timeline-step-card:hover .timeline-step-dot {
  transform: scale(1.4);
}

.timeline-step-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--card-shadow);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition);
}

.timeline-step-card:hover .timeline-step-content {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.timeline-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1.2rem;
  flex-shrink: 0;
}

.timeline-step-content h4 {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  min-height: 2.9rem;
  display: flex;
  align-items: flex-start;
  line-height: 1.35;
}

.timeline-step-content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
  flex-grow: 1;
}

/* ==========================================================================
   20. GELİŞMİŞ İLETİŞİM BÖLÜMÜ (CONTACT SECTION) STİLLERİ
   ========================================================================== */
.contact-status-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.status-chip-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.55rem 1.25rem;
  border-radius: 9999px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  font-size: 0.88rem;
  color: var(--text-main);
}

.live-status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse 1.5s infinite;
}

.contact-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 0.65rem;
  width: fit-content;
  box-sizing: border-box;
}

.contact-card-subtext {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  min-height: 3.2rem;
  margin-bottom: 1.25rem;
}

.contact-items-stack {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.contact-item-box-3d {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.15rem 1.35rem;
  margin-bottom: 0 !important;
  transition: var(--transition);
}

.contact-item-box-3d:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -6px rgba(0, 0, 0, 0.08);
}

.contact-item-details {
  flex-grow: 1;
}

.contact-item-details h5 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
  margin-bottom: 2px;
  font-weight: 700;
}

.contact-val-link {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 2px;
}

.contact-val-link a {
  color: var(--text-main);
  transition: color 0.2s ease;
}

.contact-val-link a:hover {
  color: var(--accent);
}

.contact-item-details small {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.contact-quick-buttons {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-contact-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 0.85rem;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-contact-action:hover {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn-call-now {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.25);
}

.btn-whatsapp-now {
  background: rgba(37, 211, 102, 0.12);
  color: #128c7e;
  border-color: rgba(37, 211, 102, 0.3);
}

.btn-whatsapp-now:hover {
  background: #25d366 !important;
  color: #ffffff !important;
  border-color: #25d366 !important;
}

/* Sosyal Ağ Matrisi */
.contact-social-matrix {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.contact-social-matrix h5 {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-social-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.social-box-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.82rem;
  font-weight: 700;
  transition: var(--transition);
}

.social-box-btn:hover {
  transform: translateY(-2px);
  color: #ffffff;
}

.social-box-btn.fb-btn:hover { background: #1877f2; border-color: #1877f2; }
.social-box-btn.ig-btn:hover { background: #e4405f; border-color: #e4405f; }
.social-box-btn.tw-btn:hover { background: #000000; border-color: #000000; }
.social-box-btn.tm-btn:hover { background: #35465c; border-color: #35465c; }
.social-box-btn.in-btn:hover { background: #0a66c2; border-color: #0a66c2; }

/* WhatsApp Hızlı Çağrı Bandı */
.whatsapp-quick-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.12) 0%, rgba(37, 211, 102, 0.03) 100%);
  border: 1px solid rgba(37, 211, 102, 0.35);
  border-radius: var(--radius);
  padding: 0.8rem 1.2rem;
  margin-bottom: 0.85rem;
}

.wa-callout-text {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wa-callout-text i {
  font-size: 1.7rem;
  color: #25d366;
}

.wa-callout-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-main);
}

.wa-callout-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-wa-callout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #25d366;
  color: #ffffff !important;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.45rem 0.95rem;
  border-radius: 8px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
  transition: var(--transition);
}

.btn-wa-callout:hover {
  transform: translateY(-2px);
  background: #20ba5a;
  box-shadow: 0 8px 18px rgba(37, 211, 102, 0.5);
}

/* Gelişmiş Form Düzeni */
.contact-form-advanced {
  display: flex;
  flex-direction: column;
}

.contact-form-advanced .form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.contact-form-advanced .form-group {
  margin-bottom: 0.75rem;
}

.contact-form-advanced label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.contact-form-advanced label i {
  color: var(--accent);
  font-size: 0.82rem;
}

.contact-form-advanced .form-control {
  padding: 0.65rem 0.9rem;
  font-size: 0.92rem;
  border-radius: 8px;
}

.contact-form-advanced textarea#message {
  height: 152px !important;
  min-height: 152px !important;
  max-height: 152px !important;
  resize: none;
}

.form-footer-action {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.btn-submit-lg {
  width: 100%;
  padding: 0.85rem 1.5rem;
  font-size: 0.98rem;
  font-weight: 800;
  border-radius: 10px;
  box-shadow: 0 8px 25px -4px rgba(var(--accent-rgb), 0.45);
}

.privacy-note {
  font-size: 0.78rem;
  color: var(--text-light);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* İletişim SSS */
.contact-faq-wrapper {
  margin-top: 4.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--border-color);
}

.contact-faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact-faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
}

.contact-faq-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 0.75rem;
}

.faq-question i {
  font-size: 1.25rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.faq-question h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.4;
}

.faq-answer {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Responsive Düzenlemeler */
@media (max-width: 1024px) {
  .timeline-cards-row {
    grid-template-columns: 1fr 1fr;
  }
  .timeline-cards-row::before {
    display: none;
  }
  .contact-faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .timeline-cards-row {
    grid-template-columns: 1fr;
  }
  .contact-form-advanced .form-row-2 {
    grid-template-columns: 1fr;
  }
  .contact-social-grid {
    grid-template-columns: 1fr 1fr;
  }
  .whatsapp-quick-callout {
    flex-direction: column;
    align-items: flex-start;
  }
}