/* ==========================================================================
   SHORTMAKER AI — ULTRA-PREMIUM SHOWCASE & INTERACTIVE STUDIO STYLESHEET
   ========================================================================== */

:root {
  --bg-deep: #05070e;
  --bg-obsidian: #080b14;
  --bg-surface: #0e1324;
  --bg-card: rgba(17, 23, 42, 0.72);
  --bg-glass: rgba(15, 21, 38, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.45);

  --primary: #3b82f6;
  --indigo: #6366f1;
  --purple: #8b5cf6;
  --pink: #ec4899;
  --gold: #f59e0b;
  --gold-bright: #fbbf24;
  --emerald: #10b981;
  --cyan: #06b6d4;

  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --grad-primary: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
  --grad-aurora: linear-gradient(135deg, #60a5fa 0%, #a78bfa 45%, #f472b6 100%);
  --grad-gold: linear-gradient(135deg, #fbbf24 0%, #f59e0b 55%, #ea580c 100%);
  --grad-emerald: linear-gradient(135deg, #34d399 0%, #10b981 100%);

  --shadow-glow: 0 20px 50px -15px rgba(99, 102, 241, 0.35);
  --shadow-card: 0 25px 60px -15px rgba(0, 0, 0, 0.7);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 36px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
  selection-background-color: var(--indigo);
}

::selection {
  background: rgba(99, 102, 241, 0.35);
  color: #fff;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--purple));
  border-radius: 99px;
}

/* Background WebGL & Ambient Layers */
#webgl-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.75;
}

.ambient-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(130px);
  opacity: 0.28;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, #4f46e5, transparent 70%);
  top: -180px;
  left: -120px;
}

.orb-2 {
  width: 540px;
  height: 540px;
  background: radial-gradient(circle, #ec4899, transparent 70%);
  top: 35%;
  right: -180px;
  animation-delay: -6s;
}

.orb-3 {
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, #06b6d4, transparent 70%);
  bottom: -200px;
  left: 20%;
  animation-delay: -11s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -35px) scale(1.08); }
  100% { transform: translate(-30px, 25px) scale(0.95); }
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 35%, transparent 100%);
}

/* Typography & Utilities */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 2;
}

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

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #a5b4fc;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
  backdrop-filter: blur(12px);
}

.section-tag .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.45); opacity: 0.55; }
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 64px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.1rem, 4vw, 3.35rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 22px;
  background: rgba(10, 14, 28, 0.72);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.45);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--grad-primary);
  display: grid;
  place-items: center;
  box-shadow: 0 0 22px rgba(99, 102, 241, 0.6);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: translateX(-100%);
  animation: shimmerLogo 4s infinite;
}

@keyframes shimmerLogo {
  0%, 60% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.version-pill {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 99px;
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 15px;
  border-radius: 99px;
  transition: all 0.25s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 8px 13px;
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-switch:hover {
  border-color: var(--indigo);
  background: rgba(99, 102, 241, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.85rem;
}

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 10px 30px -6px rgba(99, 102, 241, 0.65);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 16px 38px -6px rgba(99, 102, 241, 0.85);
}

.btn-gold {
  background: var(--grad-gold);
  color: #090d16;
  box-shadow: 0 10px 30px -6px rgba(245, 158, 11, 0.55);
}

.btn-gold:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 16px 38px -6px rgba(245, 158, 11, 0.8);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION WITH 3D PHONE & LIVE KARAOKE SHORT PLAYER
   ========================================================================== */
.hero-section {
  padding: 155px 0 90px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 56px;
  align-items: center;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.6rem, 4.9vw, 4.35rem);
  font-weight: 800;
  line-height: 1.07;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 610px;
  margin-bottom: 32px;
  line-height: 1.75;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

.stat-box {
  background: rgba(15, 21, 38, 0.55);
  border: 1px solid var(--border-subtle);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
}

.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.65rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* 3D Interactive Phone Stage */
.hero-phone-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  perspective: 1400px;
}

.phone-glow-ring {
  position: absolute;
  width: 420px;
  height: 620px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #3b82f6, #8b5cf6, #ec4899, #f59e0b, #3b82f6);
  filter: blur(85px);
  opacity: 0.35;
  animation: spinGlow 12s linear infinite;
  pointer-events: none;
}

@keyframes spinGlow {
  to { transform: rotate(360deg); }
}

.phone-3d-wrapper {
  position: relative;
  width: 336px;
  height: 684px;
  border-radius: 50px;
  padding: 11px;
  background: linear-gradient(145deg, #2a324b 0%, #0e1322 50%, #1e263d 100%);
  box-shadow:
    0 35px 80px -15px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.16),
    inset 0 0 18px rgba(99, 102, 241, 0.35);
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out;
}

.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 40px;
  overflow: hidden;
  background: #05070e;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.dynamic-island {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 116px;
  height: 28px;
  background: #000;
  border-radius: 99px;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.island-cam {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: radial-gradient(circle, #3b82f6 20%, #0a192f 80%);
}

.island-wave {
  display: flex;
  align-items: center;
  gap: 2px;
}

.island-wave span {
  width: 2.5px;
  height: 10px;
  background: var(--emerald);
  border-radius: 99px;
  animation: waveBar 0.9s ease-in-out infinite alternate;
}

.island-wave span:nth-child(2) { animation-delay: 0.2s; height: 14px; }
.island-wave span:nth-child(3) { animation-delay: 0.4s; height: 8px; }
.island-wave span:nth-child(4) { animation-delay: 0.1s; height: 12px; }

@keyframes waveBar {
  from { transform: scaleY(0.35); }
  to { transform: scaleY(1.15); }
}

.phone-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  transform: scale(1.04);
  animation: kenBurnsHero 18s ease-in-out infinite alternate;
}

@keyframes kenBurnsHero {
  0% { transform: scale(1.02) translate(0, 0); }
  100% { transform: scale(1.14) translate(-1.5%, -1.5%); }
}

.phone-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 7, 14, 0.65) 0%,
    rgba(5, 7, 14, 0.08) 35%,
    rgba(5, 7, 14, 0.25) 62%,
    rgba(5, 7, 14, 0.92) 100%
  );
  z-index: 2;
}

/* Top HUD inside Phone */
.phone-hud-top {
  position: relative;
  z-index: 5;
  padding: 50px 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hud-badge {
  background: rgba(10, 14, 28, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 5px 11px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hud-sound-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(15, 21, 38, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hud-sound-btn:hover {
  background: var(--primary);
}

/* Karaoke Word-by-Word Overlay inside Phone (Matches VideoRenderService.kt) */
.phone-karaoke-stage {
  position: relative;
  z-index: 6;
  margin-top: auto;
  padding: 0 16px 14px;
  text-align: center;
}

.karaoke-box {
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 12px 14px;
  min-height: 74px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 7px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);
}

.karaoke-word {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  text-transform: uppercase;
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.95);
  transition: all 0.16s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 2px 5px;
  border-radius: 6px;
}

.karaoke-word.active {
  color: #fbbf24;
  transform: scale(1.16) translateY(-2px);
  background: rgba(245, 158, 11, 0.18);
  text-shadow: 0 0 18px rgba(251, 191, 36, 0.85);
}

/* Phone Bottom Info & Audio Visualizer */
.phone-hud-bottom {
  position: relative;
  z-index: 6;
  padding: 10px 16px 20px;
}

.phone-script-title {
  font-weight: 800;
  font-size: 0.92rem;
  margin-bottom: 6px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.phone-audio-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 22px;
  margin-bottom: 10px;
}

.phone-audio-bars span {
  flex: 1;
  background: linear-gradient(180deg, #fbbf24, #6366f1);
  border-radius: 99px;
  height: 30%;
  transition: height 0.12s ease;
}

.phone-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: #cbd5e1;
}

/* Floating 3D Cards Around Phone */
.floating-chip {
  position: absolute;
  z-index: 20;
  background: rgba(13, 18, 34, 0.86);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  padding: 11px 15px;
  display: flex;
  align-items: center;
  gap: 11px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
  transform: translateZ(45px);
  animation: floatChip 5s ease-in-out infinite alternate;
}

.chip-left-top {
  top: 75px;
  left: -68px;
}

.chip-right-mid {
  top: 280px;
  right: -72px;
  animation-delay: -2.2s;
}

.chip-left-bottom {
  bottom: 110px;
  left: -60px;
  animation-delay: -3.6s;
}

@keyframes floatChip {
  0% { transform: translateZ(45px) translateY(0px); }
  100% { transform: translateZ(45px) translateY(-10px); }
}

.chip-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.chip-text strong {
  display: block;
  font-size: 0.8rem;
  color: #fff;
}

.chip-text span {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* Hero Video Switcher Pills */
.hero-channel-switcher {
  margin-top: 22px;
  display: flex;
  gap: 8px;
  background: rgba(12, 17, 32, 0.8);
  padding: 6px;
  border-radius: 99px;
  border: 1px solid var(--border-subtle);
}

.channel-pill {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.22s ease;
}

.channel-pill.active {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.5);
}

/* ==========================================================================
   SECTION 2: INTERACTIVE 4-SLIDE USAGE WALKTHROUGH (SLAYT GÖSTERİMİ)
   ========================================================================== */
.walkthrough-section {
  padding: 110px 0;
  position: relative;
}

.slides-shell {
  background: rgba(12, 17, 33, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 36px;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card);
}

.slides-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.slide-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex: 1;
}

.slide-tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: left;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
  color: var(--text-secondary);
}

.slide-tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.slide-tab-btn.active {
  background: rgba(99, 102, 241, 0.14);
  border-color: rgba(99, 102, 241, 0.55);
  color: #fff;
}

.slide-tab-num {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--gold-bright);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 4px;
}

.slide-tab-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.94rem;
  display: block;
}

.slide-tab-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad-aurora);
  transition: width 0.1s linear;
}

.slide-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-ctrl-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.icon-ctrl-btn:hover {
  background: var(--indigo);
  border-color: var(--indigo);
}

/* Slide Content Grid */
.slide-stage-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 42px;
  align-items: center;
  min-height: 460px;
}

.slide-info-pane {
  padding-right: 12px;
}

.slide-step-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 99px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--gold-bright);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.slide-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.15rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.slide-description {
  color: var(--text-secondary);
  font-size: 1.04rem;
  margin-bottom: 24px;
  line-height: 1.75;
}

.slide-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.slide-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #34d399;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Interactive Visual Canvas on Right Side of Slide */
.slide-visual-viewport {
  position: relative;
  background: radial-gradient(circle at 50% 30%, rgba(99, 102, 241, 0.18), rgba(7, 10, 20, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  min-height: 450px;
  padding: 26px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.visual-scene {
  display: none;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  animation: sceneFadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.visual-scene.active {
  display: flex;
}

@keyframes sceneFadeIn {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Scene 1: Template & Prompt UI Mockup */
.mock-app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

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

.mock-tpl-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.mock-tpl-card.selected,
.mock-tpl-card:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--indigo);
  transform: translateY(-3px);
}

.mock-prompt-box {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: 14px;
  padding: 14px;
  font-family: 'Space Grotesk', monospace;
  font-size: 0.9rem;
  color: #a5b4fc;
  min-height: 66px;
  display: flex;
  align-items: center;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 18px;
  background: var(--gold-bright);
  margin-left: 4px;
  animation: blinkCursor 0.8s infinite;
}

@keyframes blinkCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.mock-voice-row {
  display: flex;
  gap: 10px;
}

.mock-pill {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
}

.mock-pill.active {
  background: rgba(16, 185, 129, 0.16);
  border-color: var(--emerald);
  color: #34d399;
}

/* Scene 2: Dual AI Script & Pexels Visual Match */
.json-code-card {
  background: #060913;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 14px;
  padding: 16px;
  font-family: monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #cbd5e1;
}

.json-key { color: #60a5fa; }
.json-str { color: #34d399; }
.json-kw {
  display: inline-block;
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  padding: 2px 8px;
  border-radius: 6px;
  margin: 2px;
}

.pexels-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.pexels-thumb {
  position: relative;
  height: 110px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.pexels-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: kenBurnsHero 8s infinite alternate;
}

.pexels-thumb span {
  position: absolute;
  bottom: 6px;
  left: 6px;
  right: 6px;
  background: rgba(0, 0, 0, 0.75);
  font-size: 0.68rem;
  padding: 3px 6px;
  border-radius: 6px;
  text-align: center;
}

/* Scene 3: Multi-Track FFmpeg Render Timeline */
.timeline-editor {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.track-row {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.track-label {
  width: 110px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.track-bar {
  flex: 1;
  height: 28px;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 0.75rem;
  font-weight: 700;
}

.track-video { background: linear-gradient(90deg, #2563eb, #4f46e5); }
.track-tts { background: linear-gradient(90deg, #059669, #10b981); }
.track-sub { background: linear-gradient(90deg, #d97706, #f59e0b); color: #000; }

.playhead-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #fff;
  box-shadow: 0 0 12px #fff;
  animation: sweepPlayhead 4s linear infinite;
}

@keyframes sweepPlayhead {
  0% { left: 0%; }
  100% { left: 100%; }
}

/* ==========================================================================
   SECTION 3: LIVE INTERACTIVE AI STUDIO PLAYGROUND
   ========================================================================== */
.studio-section {
  padding: 110px 0;
  position: relative;
}

.studio-workbench {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 40px;
  background: rgba(13, 18, 35, 0.8);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-glow);
}

.studio-form-group {
  margin-bottom: 22px;
}

.studio-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: #cbd5e1;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.preset-chips {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 13px 15px;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: all 0.22s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.9rem;
}

.preset-btn:hover,
.preset-btn.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--indigo);
  box-shadow: 0 8px 20px -6px rgba(99, 102, 241, 0.5);
}

.studio-input {
  width: 100%;
  background: rgba(5, 7, 14, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 15px 18px;
  color: #fff;
  font-size: 0.98rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease;
}

.studio-input:focus {
  border-color: var(--indigo);
}

.studio-options-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.option-seg {
  display: flex;
  background: rgba(5, 7, 14, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 4px;
}

.seg-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 9px 10px;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.seg-btn.active {
  background: var(--grad-primary);
  color: #fff;
}

.studio-pipeline-log {
  margin-top: 20px;
  background: rgba(5, 7, 14, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 0.84rem;
}

.log-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  color: var(--text-secondary);
}

.log-step.done {
  color: #34d399;
}

.log-step.running {
  color: var(--gold-bright);
}

/* Studio Output Monitor */
.studio-monitor {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.16), rgba(5, 7, 14, 0.9));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.studio-phone-mini {
  width: 290px;
  height: 515px;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  border: 6px solid #1e263d;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.75);
  background: #000;
}

.studio-phone-mini video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   SECTION 4: SMART VIDEO SPLITTER LAB (AKILLI VİDEO BÖLÜCÜ SİMÜLATÖRÜ)
   ========================================================================== */
.splitter-section {
  padding: 110px 0;
}

.splitter-card {
  background: rgba(14, 19, 36, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(20px);
}

.splitter-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}

.waveform-container {
  position: relative;
  background: #060913;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  margin-bottom: 28px;
  overflow: hidden;
}

.waveform-bars {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 120px;
  gap: 4px;
}

.wf-bar {
  flex: 1;
  background: rgba(99, 102, 241, 0.45);
  border-radius: 99px;
  transition: all 0.35s ease;
}

.wf-bar.silence-gap {
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
}

.cut-markers-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cut-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--emerald);
  box-shadow: 0 0 12px var(--emerald);
}

.cut-line span {
  position: absolute;
  top: 8px;
  transform: translateX(-50%);
  background: var(--emerald);
  color: #04130d;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 99px;
  white-space: nowrap;
}

.split-clips-output {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.clip-result-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 16px;
  transition: all 0.25s ease;
}

.clip-result-card:hover {
  border-color: var(--emerald);
  transform: translateY(-4px);
}

/* ==========================================================================
   SECTION 5: 4x VERTICAL SHORT SHOWCASE GALLERY
   ========================================================================== */
.showcase-section {
  padding: 110px 0;
}

.reels-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.reel-card {
  position: relative;
  height: 490px;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #080b14;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
}

.reel-card:hover {
  transform: translateY(-10px) scale(1.015);
  border-color: var(--indigo);
  box-shadow: 0 28px 65px rgba(99, 102, 241, 0.35);
}

.reel-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.reel-card:hover video {
  transform: scale(1.06);
}

.reel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, transparent 40%, rgba(5,7,14,0.95) 100%);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* ==========================================================================
   SECTION 6: BENTO GRID ARCHITECTURE & FEATURES
   ========================================================================== */
.bento-section {
  padding: 110px 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.bento-card {
  background: rgba(14, 19, 36, 0.72);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.bento-card:hover {
  border-color: rgba(99, 102, 241, 0.45);
  transform: translateY(-5px);
}

.bento-span-2 {
  grid-column: span 2;
}

.bento-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(99, 102, 241, 0.16);
  border: 1px solid rgba(99, 102, 241, 0.35);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.bento-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.bento-card p {
  color: var(--text-secondary);
  font-size: 0.96rem;
}

/* ==========================================================================
   SECTION 7: PRICING & INTERACTIVE COUPON BOX
   ========================================================================== */
.pricing-section {
  padding: 110px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.price-card {
  background: rgba(14, 19, 36, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 38px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.price-card.popular {
  background: linear-gradient(180deg, rgba(30, 41, 82, 0.85) 0%, rgba(14, 19, 36, 0.9) 100%);
  border: 2px solid var(--indigo);
  transform: translateY(-12px);
  box-shadow: var(--shadow-glow);
}

.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-primary);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: 99px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.price-amount {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  margin: 18px 0 6px;
}

.price-period {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.price-features {
  list-style: none;
  margin: 26px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.94rem;
  color: #e2e8f0;
}

.coupon-tester {
  max-width: 620px;
  margin: 46px auto 0;
  background: rgba(15, 21, 38, 0.8);
  border: 1px dashed rgba(245, 158, 11, 0.5);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  text-align: center;
}

/* ==========================================================================
   MODALS & FOOTER
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 12, 0.82);
  backdrop-filter: blur(14px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-window {
  max-width: 720px;
  width: 100%;
  max-height: 82vh;
  overflow-y: auto;
  background: #0d1324;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.footer {
  padding: 70px 0 40px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(5, 7, 14, 0.9);
  position: relative;
  z-index: 2;
}

/* Responsive */
@media (max-width: 1080px) {
  .hero-grid,
  .slide-stage-grid,
  .studio-workbench {
    grid-template-columns: 1fr;
  }
  .reels-grid,
  .split-clips-output {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid,
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-span-2 {
    grid-column: span 1;
  }
  .slide-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  .chip-left-top, .chip-right-mid, .chip-left-bottom {
    display: none;
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
  }
  .hero-stats,
  .reels-grid,
  .split-clips-output,
  .slide-tabs,
  .preset-chips {
    grid-template-columns: 1fr;
  }
}