/* ==========================================================================
   Otonom Kapı Aynası — Tanıtım & Reklam Sayfası Stilleri
   Aesthetic: Clean Executive Light & Deep Dark Luxury (Dual Theme)
   ========================================================================== */

/* --------------------------------------------------------------------------
   THEME DEFINITIONS
   -------------------------------------------------------------------------- */
:root,
html[data-theme="light"] {
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Theme Canvas */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: #ffffff;
  --header-bg: rgba(248, 250, 252, 0.92);

  /* Borders & Shadows */
  --border-subtle: rgba(148, 163, 184, 0.28);
  --border-glow: rgba(37, 99, 235, 0.25);
  --card-shadow: 0 10px 30px -4px rgba(15, 23, 42, 0.08);

  /* Typography */
  --text-white: #0f172a;       /* Başlıklar için koyu net ton */
  --text-primary: #1e293b;     /* Ana metin */
  --text-secondary: #475569;   /* Açıklama metinleri */
  --text-muted: #64748b;

  /* Accent & Gate Colors */
  --green-primary: #059669;
  --green-glow: rgba(5, 150, 105, 0.25);
  --green-dark: #064e3b;

  --blue-primary: #2563eb;
  --blue-glow: rgba(37, 99, 235, 0.25);
  --blue-dark: #1d4ed8;

  --orange-primary: #d97706;
  --orange-glow: rgba(217, 119, 6, 0.25);
  --orange-dark: #78350f;

  --cyan-accent: #0284c7;
  --purple-accent: #7c3aed;
  --rose-accent: #e11d48;

  /* Specific Components */
  --gradient-text: linear-gradient(135deg, #1d4ed8 0%, #059669 60%, #0284c7 100%);
  --pill-bg: #ffffff;
  --pill-border: rgba(37, 99, 235, 0.25);
  --cs-pill-bg: linear-gradient(135deg, rgba(5, 150, 105, 0.08) 0%, rgba(255, 255, 255, 0.95) 100%);
  --cs-pill-border: rgba(5, 150, 105, 0.35);

  --card-old-bg: #ffffff;
  --card-old-border: rgba(239, 68, 68, 0.25);
  --card-new-bg: linear-gradient(145deg, rgba(5, 150, 105, 0.04) 0%, #ffffff 100%);
  --card-new-border: #059669;

  --room-bg: #f1f5f9;
  --room-border: rgba(37, 99, 235, 0.25);
  --sphere-opacity: 0.25;

  --cta-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --cta-text: #ffffff;
  --cta-desc: #cbd5e1;
  --cta-form-bg: rgba(2, 6, 23, 0.85);

  --footer-bg: #f1f5f9;
  --footer-text: #475569;
}

html[data-theme="dark"] {
  /* Theme Canvas */
  --bg-main: #070b14;
  --bg-surface: #0f172a;
  --bg-card: rgba(18, 25, 43, 0.75);
  --bg-card-hover: rgba(28, 38, 64, 0.85);
  --header-bg: rgba(7, 11, 20, 0.88);

  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.35);
  --card-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);

  /* Typography */
  --text-white: #ffffff;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Accent & Gate Colors */
  --green-primary: #10b981;
  --green-glow: rgba(16, 185, 129, 0.4);
  --green-dark: #064e3b;

  --blue-primary: #3b82f6;
  --blue-glow: rgba(59, 130, 246, 0.4);
  --blue-dark: #1e3a8a;

  --orange-primary: #f59e0b;
  --orange-glow: rgba(245, 158, 11, 0.4);
  --orange-dark: #78350f;

  --cyan-accent: #06b6d4;
  --purple-accent: #8b5cf6;
  --rose-accent: #f43f5e;

  /* Specific Components */
  --gradient-text: linear-gradient(135deg, #60a5fa 0%, #34d399 50%, #38bdf8 100%);
  --pill-bg: rgba(30, 41, 59, 0.8);
  --pill-border: rgba(59, 130, 246, 0.3);
  --cs-pill-bg: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(15, 23, 42, 0.85) 100%);
  --cs-pill-border: rgba(16, 185, 129, 0.4);

  --card-old-bg: rgba(24, 24, 27, 0.4);
  --card-old-border: rgba(239, 68, 68, 0.15);
  --card-new-bg: linear-gradient(145deg, rgba(16, 185, 129, 0.08) 0%, rgba(15, 23, 42, 0.85) 100%);
  --card-new-border: rgba(16, 185, 129, 0.4);

  --room-bg: #070e1c;
  --room-border: rgba(59, 130, 246, 0.3);
  --sphere-opacity: 0.45;

  --cta-bg: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(7, 11, 20, 0.95) 100%);
  --cta-text: #ffffff;
  --cta-desc: #94a3b8;
  --cta-form-bg: rgba(2, 6, 23, 0.7);

  --footer-bg: #030712;
  --footer-text: #64748b;
}

:root {
  /* Layout */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   RESET & BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  position: relative;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

h1, h2, h3, h4, .brand-logo, .stat-num {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-emerald {
  color: var(--green-primary);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Ambient Spheres */
.glow-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  pointer-events: none;
  opacity: var(--sphere-opacity);
  transition: opacity var(--transition-smooth);
}

.sphere-1 {
  width: 550px;
  height: 550px;
  top: -100px;
  left: -150px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.5) 0%, rgba(16, 185, 129, 0.1) 70%);
}

.sphere-2 {
  width: 600px;
  height: 600px;
  top: 30%;
  right: -200px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.4) 0%, rgba(139, 92, 246, 0.1) 70%);
}

.sphere-3 {
  width: 700px;
  height: 700px;
  bottom: 10%;
  left: 10%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, rgba(59, 130, 246, 0.1) 70%);
}

/* --------------------------------------------------------------------------
   HEADER & NAVIGATION
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  padding: 0.85rem 0;
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-white);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #2563eb, #10b981);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
}

.logo-icon svg {
  width: 22px;
  height: 22px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.1;
  letter-spacing: 0.03em;
  color: var(--text-white);
}

.logo-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--cyan-accent);
  letter-spacing: 0.12em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-white);
}

.nav-cta-btn {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff !important;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  transition: all var(--transition-fast);
}

.nav-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

/* Header Right Actions (Theme Switcher + Mobile Toggle) */
.header-right-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.48rem 0.95rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--blue-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.theme-icon {
  font-size: 0.95rem;
  line-height: 1;
}

/* Icon visibility based on theme */
html[data-theme="light"] .theme-toggle-btn .icon-sun {
  display: none;
}
html[data-theme="light"] .theme-toggle-btn .icon-moon {
  display: inline-block;
}

html[data-theme="dark"] .theme-toggle-btn .icon-moon {
  display: none;
}
html[data-theme="dark"] .theme-toggle-btn .icon-sun {
  display: inline-block;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-white);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 4rem 0 3.5rem;
  position: relative;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.05fr 1.15fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: var(--pill-bg);
  border: 1px solid var(--pill-border);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-primary);
  margin-bottom: 1.25rem;
  box-shadow: var(--card-shadow);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--green-primary);
  box-shadow: 0 0 10px var(--green-primary);
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 2.85rem;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 1.25rem;
  color: var(--text-white);
}

.hero-description {
  font-size: 1.06rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.hero-description strong {
  color: var(--text-white);
}

/* Closed System Highlight Callout Box */
.hero-closed-system-pill {
  background: var(--cs-pill-bg);
  border: 1px solid var(--cs-pill-border);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.hero-closed-system-pill::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, #10b981, #38bdf8);
}

.cs-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--green-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.cs-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--green-primary);
  box-shadow: 0 0 8px var(--green-primary);
}

.cs-title {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.35rem;
}

.cs-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

.cs-desc strong {
  color: var(--text-white);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: none;
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #fff !important;
  box-shadow: 0 4px 18px var(--green-glow);
}

html[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(5, 150, 105, 0.45);
}

.btn-secondary {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  box-shadow: var(--card-shadow);
}

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

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
}

/* Hero Stats (Under Gate Mirror Mockup) */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  margin-top: 1.25rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.74rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-top: 0.2rem;
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border-subtle);
}

/* --------------------------------------------------------------------------
   SIMULATED GATE MIRROR TV MOCKUP
   -------------------------------------------------------------------------- */
.hero-visual {
  position: relative;
  margin-top: 0.25rem;
}

.tv-mockup {
  background: #030712;
  border-radius: var(--radius-lg);
  border: 3px solid #1e293b;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5), 0 0 30px rgba(59, 130, 246, 0.15);
  overflow: hidden;
  position: relative;
}

.tv-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 1.25rem;
  background: #0b1120;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.tv-cam-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #94a3b8;
}

.cam-live-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ef4444;
  box-shadow: 0 0 8px #ef4444;
  animation: pulseAnim 1.5s infinite;
}

.tv-clock {
  font-family: monospace;
  font-size: 0.9rem;
  color: #38bdf8;
  font-weight: 700;
}

.tv-screen-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 380px;
  background: #000;
}

.tv-door-pane {
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.tv-door-pane:last-child {
  border-right: none;
}

.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.85rem;
  background: rgba(15, 23, 42, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 2;
}

.door-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.badge-giris {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-cikis {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.feed-tag {
  font-size: 0.68rem;
  color: #64748b;
  font-family: monospace;
}

.camera-stream-mock {
  flex: 1;
  position: relative;
  background: radial-gradient(circle at center, #111827 0%, #030712 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  min-height: 280px;
}

.scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.8), transparent);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
  animation: scanAnim 3.5s ease-in-out infinite;
  z-index: 1;
  pointer-events: none;
}

@keyframes scanAnim {
  0% { top: 5%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: 95%; opacity: 0; }
}

.face-target-box {
  position: absolute;
  width: 90px;
  height: 105px;
  border: 2px dashed rgba(56, 189, 248, 0.6);
  border-radius: 8px;
  top: 28%;
  left: 32%;
  pointer-events: none;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

.face-id-tag {
  position: absolute;
  top: -18px;
  left: -2px;
  background: #0284c7;
  color: #fff;
  font-size: 0.62rem;
  font-family: monospace;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
}

.feedback-card {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: 92%;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  transition: all var(--transition-smooth);
}

.card-giris {
  background: linear-gradient(135deg, rgba(6, 78, 59, 0.92) 0%, rgba(15, 23, 42, 0.92) 100%);
  border: 1px solid rgba(16, 185, 129, 0.5);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.card-cikis {
  background: linear-gradient(135deg, rgba(120, 53, 15, 0.92) 0%, rgba(15, 23, 42, 0.92) 100%);
  border: 1px solid rgba(245, 158, 11, 0.5);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.25);
}

.feedback-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  flex-shrink: 0;
  color: #fff;
}

.badge-g {
  background: var(--green-primary);
  box-shadow: 0 0 15px var(--green-glow);
}

.badge-c {
  background: var(--orange-primary);
  box-shadow: 0 0 15px var(--orange-glow);
}

.feedback-text {
  flex: 1;
}

.feedback-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #94a3b8;
}

.card-giris .feedback-title { color: #34d399; }
.card-cikis .feedback-title { color: #fbbf24; }

.feedback-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin: 0.15rem 0;
}

.feedback-hint {
  font-size: 0.7rem;
  color: #cbd5e1;
}

.feedback-time {
  font-family: monospace;
  font-size: 0.85rem;
  color: #94a3b8;
  font-weight: 600;
}

.pane-footer {
  padding: 0.4rem 0.85rem;
  background: rgba(11, 17, 32, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.72rem;
  color: #94a3b8;
  text-align: right;
}

.pane-count span {
  font-weight: 700;
  color: #fff;
}

.tv-bezel-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 1.25rem;
  background: #030712;
  border-top: 1px solid #1f2937;
  font-size: 0.65rem;
  color: #6b7280;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.tv-power-light {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #3b82f6;
  box-shadow: 0 0 6px #3b82f6;
}

/* --------------------------------------------------------------------------
   SHARED SECTION STYLES
   -------------------------------------------------------------------------- */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 3.5rem;
}

.sub-heading {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--blue-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

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

/* --------------------------------------------------------------------------
   HOW IT WORKS / VALUE PROPOSITION
   -------------------------------------------------------------------------- */
.how-it-works-box {
  background: var(--bg-surface);
  border: 2px solid var(--green-primary);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: 0 15px 40px -10px var(--green-glow);
  position: relative;
}

.works-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
  margin-top: 1.75rem;
}

.works-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
}

.feat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(5, 150, 105, 0.12);
  color: var(--green-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.feat-text h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.35rem;
}

.feat-text p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.comp-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}

.comp-badge.good {
  background: rgba(16, 185, 129, 0.12);
  color: var(--green-primary);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.comp-title {
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-white);
}

@media (max-width: 768px) {
  .works-features-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   DEPLOYMENT MODELS (SINGLE TV VS DUAL TV)
   -------------------------------------------------------------------------- */
.deployment-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-smooth);
}

.tab-btn:hover {
  color: var(--text-white);
  border-color: var(--blue-primary);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(16, 185, 129, 0.15) 100%);
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
}

.tab-icon {
  width: 20px;
  height: 20px;
}

.deployment-showcase {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--card-shadow);
}

.deployment-view {
  display: none;
}

.deployment-view.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.deploy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.deploy-tag {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--cyan-accent);
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.deploy-desc h3 {
  font-size: 1.75rem;
  color: var(--text-white);
  margin-bottom: 1rem;
}

.deploy-desc p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.deploy-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.deploy-checklist li {
  display: flex;
  gap: 0.85rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.check-box {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--green-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
}

.deploy-checklist li strong {
  color: var(--text-white);
}

.room-diagram {
  background: var(--room-bg);
  border: 2px dashed var(--room-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 1.5rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 260px;
}

.arch-camera {
  padding: 0.6rem 1rem;
  background: #1e293b;
  border: 1px solid #38bdf8;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: #e2e8f0;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.2);
}

.arch-door {
  padding: 1.25rem 0.85rem;
  background: #0f172a;
  border: 2px solid #64748b;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  color: #cbd5e1;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.1em;
}

.arch-tv-hub {
  text-align: center;
  margin: 0 auto;
}

.hub-screen {
  width: 200px;
  height: 90px;
  background: #020617;
  border: 2px solid #10b981;
  border-radius: 6px;
  display: flex;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.35);
  overflow: hidden;
}

.hub-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.25rem;
}

.side-g { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.side-c { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }

.hub-divider {
  width: 2px;
  background: #334155;
}

.hub-label {
  font-size: 0.78rem;
  color: var(--blue-primary);
  font-weight: 700;
  margin-top: 0.75rem;
}

.dual-diagram {
  flex-direction: column;
  gap: 1.5rem;
}

.dual-zone {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: var(--bg-surface);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.zone-badge {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-white);
}

.zone-hardware, .zone-tv {
  font-size: 0.8rem;
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  background: #1e293b;
  color: #fff;
  border-radius: 4px;
}

.network-cable-line {
  position: relative;
  width: 80%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--blue-primary) 0, var(--blue-primary) 6px, transparent 6px, transparent 12px);
  text-align: center;
}

.network-cable-line span {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--room-bg);
  padding: 0 0.5rem;
  font-size: 0.7rem;
  color: var(--blue-primary);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   SYSTEM REQUIREMENTS SECTION
   -------------------------------------------------------------------------- */
.requirements-section {
  background: var(--bg-main);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.req-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.req-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-smooth);
}

.req-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-primary);
}

.req-card.highlight-req {
  border: 2px solid var(--green-primary);
  background: linear-gradient(145deg, rgba(5, 150, 105, 0.04) 0%, var(--bg-surface) 100%);
  box-shadow: 0 12px 35px -5px var(--green-glow);
}

.req-badge {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}

.req-badge.good {
  background: rgba(16, 185, 129, 0.12);
  color: var(--green-primary);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.req-badge.warn {
  background: rgba(245, 158, 11, 0.12);
  color: var(--orange-primary);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.req-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.req-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.req-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.2;
}

.req-tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cyan-accent);
}

.req-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.req-box-highlight {
  background: rgba(5, 150, 105, 0.08);
  border: 1px solid rgba(5, 150, 105, 0.3);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.5rem;
}

.req-box-highlight.neutral {
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.25);
}

.req-highlight-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.4rem;
}

.req-highlight-text {
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.55;
  margin: 0;
}

.req-highlight-text strong {
  color: var(--text-white);
}

.req-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* Summary Mini Cards Row */
.req-summary-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.req-summary-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--card-shadow);
}

.rs-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.rs-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.35rem;
}

.rs-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   VIDEO SHOWCASE SECTION (DUAL SIDE-BY-SIDE: GİRİŞ & ÇIKIŞ)
   -------------------------------------------------------------------------- */
.videos-dual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

@media (max-width: 991px) {
  .videos-dual-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.75rem;
  }
}

.video-container-card {
  min-width: 0;
  max-width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.video-container-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.video-card-giris {
  border-color: rgba(16, 185, 129, 0.35);
}
.video-card-giris:hover {
  border-color: rgba(16, 185, 129, 0.6);
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
}

.video-card-cikis {
  border-color: rgba(245, 158, 11, 0.35);
}
.video-card-cikis:hover {
  border-color: rgba(245, 158, 11, 0.6);
  box-shadow: 0 20px 40px rgba(245, 158, 11, 0.15);
}

.video-card-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.4rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
}

.video-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

.badge-giris {
  background: rgba(16, 185, 129, 0.14);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.badge-giris .v-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.badge-cikis {
  background: rgba(245, 158, 11, 0.14);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.badge-cikis .v-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 10px #f59e0b;
}

.video-subtag {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.video-responsive-frame {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #020617;
  overflow: hidden;
}

.video-responsive-frame iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-poster {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, #090d16 0%, #1e1b4b 50%, #090d16 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.poster-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
  padding: 1.5rem;
  z-index: 2;
}

.play-btn-large {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
}

.play-btn-giris {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.6);
}

.play-btn-giris:hover {
  transform: scale(1.1);
  box-shadow: 0 0 45px rgba(16, 185, 129, 0.85);
}

.play-btn-cikis {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.6);
}

.play-btn-cikis:hover {
  transform: scale(1.1);
  box-shadow: 0 0 45px rgba(245, 158, 11, 0.85);
}

.play-btn-large svg {
  width: 28px;
  height: 28px;
  margin-left: 3px;
}

.poster-title {
  font-size: 1.22rem;
  font-weight: 700;
  color: #fff;
}

.poster-hint {
  font-size: 0.85rem;
  color: #cbd5e1;
}

.poster-tech-watermark {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-family: monospace;
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.1em;
}

/* --------------------------------------------------------------------------
   APPLICATION SCREENSHOTS SHOWCASE (UYGULAMA ARAYÜZÜ VE EKRANLAR)
   -------------------------------------------------------------------------- */
.screenshots-section {
  position: relative;
  background: var(--bg-main);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

@media (max-width: 991px) {
  .screenshots-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.75rem;
  }
}

.screenshot-card {
  min-width: 0;
  max-width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.screenshot-card:hover {
  transform: translateY(-5px);
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
}

.sc-window-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.15rem;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-subtle);
  gap: 0.5rem;
  min-width: 0;
  overflow: hidden;
}

.sc-dots {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.sc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.sc-dot.red { background: #ef4444; }
.sc-dot.yellow { background: #f59e0b; }
.sc-dot.green { background: #10b981; }

.sc-url-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.75rem;
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sc-lock-icon {
  width: 12px;
  height: 12px;
  color: #10b981;
  flex-shrink: 0;
}

.sc-mode-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.tag-blue { background: rgba(37, 99, 235, 0.15); color: #60a5fa; border: 1px solid rgba(37, 99, 235, 0.3); }
.tag-green { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.tag-orange { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.tag-purple { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }

.sc-image-wrapper {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: #000;
  line-height: 0;
}

.sc-thumb {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-smooth);
}

.sc-image-wrapper:hover .sc-thumb {
  transform: scale(1.03);
}

.sc-zoom-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.sc-image-wrapper:hover .sc-zoom-overlay {
  opacity: 1;
}

.zoom-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  transform: translateY(8px);
  transition: transform 0.25s ease;
}

.sc-image-wrapper:hover .zoom-btn {
  transform: translateY(0);
}

.zoom-btn svg {
  width: 18px;
  height: 18px;
}

.sc-content {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
}

.sc-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.sc-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.3;
}

.sc-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.badge-cyan { background: rgba(6, 182, 212, 0.12); color: #06b6d4; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-emerald { background: rgba(16, 185, 129, 0.12); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-amber { background: rgba(245, 158, 11, 0.12); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-indigo { background: rgba(99, 102, 241, 0.12); color: #6366f1; border: 1px solid rgba(99, 102, 241, 0.3); }

.sc-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.sc-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.sc-feature-list strong {
  color: var(--text-white);
}

/* Lightbox Modal */
.sc-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(3, 7, 18, 0.88);
  backdrop-filter: blur(8px);
  padding: 2rem;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sc-modal.active {
  display: flex;
  opacity: 1;
}

.sc-modal-dialog {
  position: relative;
  max-width: 1100px;
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  animation: modalScale 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScale {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.sc-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
  z-index: 10;
}

.sc-modal-close:hover {
  background: rgba(239, 68, 68, 0.85);
  transform: rotate(90deg);
}

.sc-modal-img {
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  display: block;
  background: #050811;
}

.sc-modal-caption {
  padding: 1rem 1.5rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  text-align: center;
}

/* --------------------------------------------------------------------------
   6 CORE ADVANTAGES
   -------------------------------------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.adv-card {
  padding: 2.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  transition: all var(--transition-smooth);
}

.adv-card:hover {
  transform: translateY(-5px);
  border-color: var(--blue-primary);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.12);
}

.adv-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.adv-icon svg {
  width: 26px;
  height: 26px;
}

.icon-cyan { background: rgba(2, 132, 199, 0.12); color: #0284c7; }
.icon-emerald { background: rgba(5, 150, 105, 0.12); color: #059669; }
.icon-indigo { background: rgba(79, 70, 229, 0.12); color: #4f46e5; }
.icon-amber { background: rgba(217, 119, 6, 0.12); color: #d97706; }
.icon-purple { background: rgba(147, 51, 234, 0.12); color: #9333ea; }
.icon-rose { background: rgba(225, 29, 72, 0.12); color: #e11d48; }

.adv-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.75rem;
}

.adv-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   FAQ ACCORDION
   -------------------------------------------------------------------------- */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.75rem;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
}

.faq-icon {
  font-size: 1.35rem;
  color: var(--blue-primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 1.75rem;
}

.faq-item.active .faq-answer {
  padding-bottom: 1.25rem;
}

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

/* --------------------------------------------------------------------------
   KURULUM (PRATİK, TEK CİHAZ, İNTERAKTİF SİHİRBAZ) BÖLÜMÜ
   -------------------------------------------------------------------------- */
.setup-section {
  padding: 5rem 0 6rem 0;
}

.setup-highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.setup-hl-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.setup-hl-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-primary);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.12);
}

.setup-hl-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.setup-hl-icon svg {
  width: 24px;
  height: 24px;
}

.setup-hl-content h4 {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.5rem;
}

.setup-hl-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin: 0;
}

/* Kurulum Sihirbazı Kapsayıcısı */
.setup-wizard-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
}

/* Sihirbaz Adım Navigasyonu */
.wizard-steps-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 2rem;
  background: var(--bg-card);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.wizard-step-tab {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-smooth);
  font-family: inherit;
}

.wizard-step-tab:hover {
  background: rgba(37, 99, 235, 0.08);
}

.wizard-step-tab.active {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(16, 185, 129, 0.12) 100%);
}

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.2);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  flex-shrink: 0;
  transition: all var(--transition-smooth);
}

.wizard-step-tab.active .step-num {
  background: var(--blue-primary);
  color: #fff;
  box-shadow: 0 0 12px var(--blue-glow);
}

.step-meta {
  display: flex;
  flex-direction: column;
}

.step-label {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.wizard-step-tab.active .step-label {
  color: var(--blue-primary);
}

.step-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.wizard-step-tab.active .step-name {
  color: var(--text-white);
}

.step-divider {
  flex: 1;
  height: 2px;
  background: var(--border-subtle);
  min-width: 15px;
}

/* Sihirbaz Pencere Mockup */
.wizard-window-mockup {
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.mockup-header {
  padding: 0.85rem 1.5rem;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.wc-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.wc-red { background: #ef4444; }
.wc-yellow { background: #f59e0b; }
.wc-green { background: #10b981; }

.mockup-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-app {
  background: var(--blue-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.mockup-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green-primary);
}

.status-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-primary);
  box-shadow: 0 0 8px var(--green-glow);
  animation: pulseDot 2s infinite ease-in-out;
}

/* Sihirbaz Panelleri */
.wizard-panel {
  display: none;
  padding: 2.25rem;
  animation: fadeIn 0.35s ease-out;
}

.wizard-panel.active {
  display: block;
}

.wizard-panel-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.panel-badge {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--blue-primary);
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 0.4rem;
}

.panel-info h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.85rem;
}

.panel-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.wizard-checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.wizard-checklist li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.wizard-checklist li strong {
  color: var(--text-white);
}

.wizard-controls-row {
  display: flex;
  gap: 0.85rem;
}

/* Önizleme Kartları */
.preview-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--card-shadow);
}

/* 1. Installer Box */
.installer-box {
  text-align: center;
}

.installer-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.installer-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-white);
}

.installer-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.progress-bar-wrap {
  width: 100%;
  height: 10px;
  background: rgba(148, 163, 184, 0.2);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.6rem;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-primary) 0%, var(--green-primary) 100%);
  border-radius: 999px;
  transition: width 0.6s ease-in-out;
}

.progress-status-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.installer-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}

.inst-item.done {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green-primary);
}

/* 2. Cam Finder Box */
.cam-finder-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cam-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.cam-refresh {
  cursor: pointer;
  color: var(--blue-primary);
}

.cam-item-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast);
}

.cam-item-row.selected {
  border-color: var(--blue-primary);
  background: rgba(37, 99, 235, 0.05);
}

.cam-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.cam-indicator.online {
  background: var(--green-primary);
  box-shadow: 0 0 6px var(--green-glow);
}

.cam-indicator.offline {
  background: #94a3b8;
}

.cam-details {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cam-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-white);
}

.cam-ip {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.cam-role-badge {
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.cam-role-badge.in {
  background: rgba(16, 185, 129, 0.15);
  color: var(--green-primary);
}

.cam-role-badge.out {
  background: rgba(37, 99, 235, 0.15);
  color: var(--blue-primary);
}

.cam-role-badge.unused {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
}

/* 3. Screen Config Box */
.screen-config-box {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.screen-mode-card {
  padding: 1.15rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.screen-mode-card.active {
  border-color: var(--blue-primary);
  background: rgba(37, 99, 235, 0.05);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.1);
}

.smc-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-white);
  margin-bottom: 0.35rem;
}

.screen-mode-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.45;
}

.smc-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--green-primary);
  background: rgba(16, 185, 129, 0.12);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

/* 4. Live Ready Box */
.live-ready-box {
  text-align: center;
}

.ready-badge-large {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.18) 0%, rgba(37, 99, 235, 0.18) 100%);
  color: var(--green-primary);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 0.4rem 1.15rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
}

.ready-metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.metric-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.5rem;
}

.m-val {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
}

.m-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.ready-live-banner {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: left;
}

.rlb-status {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--green-primary);
  margin-bottom: 0.25rem;
}

.rlb-sub {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
  background: var(--footer-bg);
  transition: background-color var(--transition-smooth);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand .logo-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-white);
}

.footer-brand .logo-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--footer-text);
  max-width: 500px;
}

.footer-disclaimer-wrap {
  margin-top: 1.5rem;
  padding-top: 1.15rem;
  border-top: 1px dashed var(--border-subtle);
}

.footer-disclaimer {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.disclaimer-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--green-primary);
  box-shadow: 0 0 6px var(--green-glow);
  flex-shrink: 0;
}

.footer-disclaimer strong {
  color: var(--text-secondary);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-title {
    font-size: 2.35rem;
  }

  .deploy-grid {
    grid-template-columns: 1fr;
  }

  .req-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual {
    margin-top: 0;
  }

  .setup-highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .wizard-panel-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .setup-highlights-grid {
    grid-template-columns: 1fr;
  }

  .wizard-steps-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .step-divider {
    display: none;
  }

  .wizard-panel {
    padding: 1.5rem;
  }

  .feature-comparison-grid {
    grid-template-columns: 1fr;
  }

  .req-summary-row {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .sim-body {
    grid-template-columns: 1fr;
  }

  .sim-camera-view {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .tv-screen-split {
    grid-template-columns: 1fr;
  }

  .video-helper-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .video-input-group {
    min-width: 100%;
  }

  .deployment-tabs {
    flex-direction: column;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}