/* ==========================================================================
   CAMERA LUT — OFFICIAL WEBSITE STYLESHEET
   Design Language: Obsidian Cinematic Dark / Photography Editorial
   Brand Colors: Obsidian (#08090D), Surface (#14151B), LUT Pink (#F445A2),
                 Iris Purple (#A13DE7), Sunset Orange (#FF875B)
   ========================================================================== */

:root {
  /* Core Backgrounds */
  --bg-obsidian: #08090D;
  --bg-surface: #14151B;
  --bg-surface-elevated: #1B1C24;
  --bg-surface-hover: #22232E;
  --bg-surface-glass: rgba(20, 21, 27, 0.72);

  /* Typography Colors */
  --text-white: #F8F8FA;
  --text-secondary: #A7A8B4;
  --text-muted: #6A6B76;
  --text-dim: #4B4C56;

  /* Accent & LUT Palette (matching app focus & shutter ring) */
  --accent-pink: #F445A2;
  --accent-purple: #A13DE7;
  --accent-orange: #FF875B;
  --accent-cyan: #22D3EE;
  --accent-green: #22C55E;

  /* Gradients */
  --shutter-gradient: linear-gradient(135deg, #F445A2 0%, #A13DE7 50%, #FF875B 100%);
  --shutter-gradient-hover: linear-gradient(135deg, #FF5CAD 0%, #B04FF5 50%, #FF9973 100%);
  --glow-pink: radial-gradient(circle, rgba(244, 69, 162, 0.22) 0%, rgba(161, 61, 231, 0.12) 40%, transparent 70%);
  --glow-purple: radial-gradient(circle, rgba(161, 61, 231, 0.25) 0%, transparent 65%);

  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(244, 69, 162, 0.35);
  --border-glow: 0 0 25px rgba(244, 69, 162, 0.28);
  --shadow-card: 0 16px 36px rgba(0, 0, 0, 0.45);
  --shadow-device: 0 30px 60px rgba(0, 0, 0, 0.65), 0 0 40px rgba(244, 69, 162, 0.15);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Font Family */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-sans);

  /* Container */
  --container-max: 1240px;
  --header-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  color-scheme: dark;
}

body {
  background-color: var(--bg-obsidian);
  color: var(--text-white);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

::selection {
  background: var(--accent-pink);
  color: #FFFFFF;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent-pink);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent-pink);
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 20px;
}

/* ==========================================================================
   LAYOUT CONTAINERS & UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-spacing {
  padding-top: clamp(80px, 9vw, 130px);
  padding-bottom: clamp(80px, 9vw, 130px);
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-pink);
  background: rgba(244, 69, 162, 0.12);
  border: 1px solid rgba(244, 69, 162, 0.32);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  width: fit-content;
}

.section-heading {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text-white);
  margin-bottom: 18px;
}

.section-subhead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 680px;
}

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

/* Atmospheric Ambient Glows */
.ambient-glow {
  position: absolute;
  pointer-events: none;
  z-index: 0;
  filter: blur(90px);
  opacity: 0.65;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(8, 9, 13, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(244, 69, 162, 0.35);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.brand-link:hover .brand-icon {
  transform: scale(1.08) rotate(-2deg);
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-white);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-badge {
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-pink);
  background: rgba(244, 69, 162, 0.15);
  padding: 2px 7px;
  border-radius: 4px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
  padding: 6px 0;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-white);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--shutter-gradient);
  transition: width 0.25s ease;
  border-radius: 2px;
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 700;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--shutter-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(244, 69, 162, 0.35);
}
.btn-primary:hover {
  background: var(--shutter-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(244, 69, 162, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-white);
  border: 1px solid var(--border-medium);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.badge-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #E2E2EA;
  background: rgba(20, 21, 27, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 6px 14px;
  border-radius: var(--radius-full);
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
}

/* ==========================================================================
   01 — CINEMATIC HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: clamp(60px, 8vw, 110px);
  overflow: hidden;
  background: radial-gradient(ellipse 70% 60% at 75% 40%, rgba(244, 69, 162, 0.18) 0%, rgba(161, 61, 231, 0.12) 40%, transparent 70%);
}

.hero-glow-1 {
  top: -10%;
  right: -5%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(244, 69, 162, 0.25) 0%, rgba(161, 61, 231, 0.15) 50%, transparent 70%);
}

.hero-glow-2 {
  bottom: 0%;
  left: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 135, 91, 0.15) 0%, transparent 65%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 50px;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 620px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text-white);
  margin-bottom: 22px;
}

.hero-subhead {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 34px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.hero-pill-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.hero-pill-icon {
  color: var(--accent-pink);
}

/* Hero Phone Display */
.hero-device-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-device-glow {
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 69, 162, 0.35) 0%, rgba(161, 61, 231, 0.20) 45%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { transform: scale(0.92); opacity: 0.55; }
  100% { transform: scale(1.08); opacity: 0.90; }
}

.hero-device-img {
  max-height: clamp(480px, 68vh, 740px);
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.75)) drop-shadow(0 0 35px rgba(244, 69, 162, 0.25));
  will-change: transform;
}

/* ==========================================================================
   02 — EXPERIENCE THE REAL CAMERA (Interactive Orientation Switcher)
   ========================================================================== */
.experience-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.experience-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 40px;
}

.orientation-switcher {
  display: inline-flex;
  background: rgba(8, 9, 13, 0.8);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  padding: 5px;
  margin-bottom: 40px;
  gap: 4px;
}

.orientation-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.90rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}
.orientation-btn.active {
  background: var(--shutter-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(244, 69, 162, 0.4);
}

.device-stage-container {
  position: relative;
  background: #08090D;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 580px;
  box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.85);
  overflow: hidden;
}

.device-stage-frame {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.device-stage-img {
  max-height: 600px;
  max-width: 100%;
  object-fit: contain;
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.75));
}

/* Annotation Hotspots */
.hotspot-pin {
  position: absolute;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-pink);
  color: #FFFFFF;
  border: 2px solid #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 0 16px var(--accent-pink);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s ease;
  z-index: 10;
}
.hotspot-pin::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-pink);
  opacity: 0.6;
  animation: pulsePin 2.2s infinite;
}
@keyframes pulsePin {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
.hotspot-pin:hover, .hotspot-pin.active {
  transform: scale(1.22);
  background: #FFFFFF;
  color: var(--accent-pink);
}

.hotspot-card {
  position: absolute;
  bottom: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  width: 250px;
  background: rgba(20, 21, 27, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--text-white);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.65), 0 0 20px rgba(244, 69, 162, 0.15);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 20;
}
.hotspot-pin:hover .hotspot-card, .hotspot-pin.active .hotspot-card {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}
.hotspot-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-pink);
  margin-bottom: 4px;
}
.hotspot-card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   03 — SMART SCENE UNDERSTANDING (Pipeline Architecture)
   ========================================================================== */
.pipeline-section {
  position: relative;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  margin-top: 50px;
}

.pipeline-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
.pipeline-card:hover {
  transform: translateY(-4px);
  border-color: rgba(244, 69, 162, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4), 0 0 25px rgba(244, 69, 162, 0.12);
}

.pipeline-step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(244, 69, 162, 0.15);
  border: 1px solid rgba(244, 69, 162, 0.35);
  color: var(--accent-pink);
  font-size: 0.88rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.pipeline-card-title {
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 10px;
}

.pipeline-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
}

.pipeline-card-metric {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(34, 211, 238, 0.25);
}

/* ==========================================================================
   04 — LUT LOOKS INTERACTIVE GALLERY
   ========================================================================== */
.luts-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.lut-gallery-wrap {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 36px;
  margin-top: 45px;
  align-items: start;
}

.lut-list-sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 560px;
  overflow-y: auto;
  padding-right: 8px;
}

.lut-item-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: #08090D;
  border: 1px solid var(--border-subtle);
  text-align: left;
  transition: all 0.25s ease;
}
.lut-item-btn:hover {
  background: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.2);
}
.lut-item-btn.active {
  background: rgba(244, 69, 162, 0.12);
  border-color: var(--accent-pink);
  box-shadow: 0 4px 20px rgba(244, 69, 162, 0.22);
}

.lut-item-info {
  display: flex;
  flex-direction: column;
}
.lut-item-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-white);
}
.lut-item-btn.active .lut-item-name {
  color: var(--accent-pink);
}
.lut-item-tag {
  font-size: 0.80rem;
  color: var(--text-muted);
}

.lut-preview-stage {
  position: relative;
  background: #08090D;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.lut-preview-img-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0D0E14;
}

.lut-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.lut-preview-caption-bar {
  padding: 24px 28px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.lut-preview-details {
  max-width: 520px;
}
.lut-preview-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 4px;
}
.lut-preview-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.lut-scene-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(244, 69, 162, 0.15);
  border: 1px solid rgba(244, 69, 162, 0.35);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-pink);
}

/* ==========================================================================
   05 — STRENGTH MODES (Natural, Mid, Extreme)
   ========================================================================== */
.strength-section {
  position: relative;
}

.strength-segmented-control {
  display: inline-flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  padding: 6px;
  gap: 6px;
  margin-top: 36px;
}

.strength-pill-btn {
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.25s ease;
}
.strength-pill-btn.active {
  background: var(--shutter-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(244, 69, 162, 0.4);
}

.strength-display-card {
  margin-top: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.strength-text-content {
  max-width: 480px;
}

.strength-percentage {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--accent-pink);
  line-height: 1;
  margin-bottom: 8px;
}

.strength-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 12px;
}

.strength-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 22px;
}

.strength-visual-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  max-height: 440px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #08090D;
}
.strength-visual-img {
  max-height: 420px;
  object-fit: contain;
}

/* ==========================================================================
   06 — REAL BEFORE-AND-AFTER COMPARISON SLIDER
   ========================================================================== */
.comparison-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-provenance-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: var(--accent-green);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 30px;
}

.comparison-slider-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: 640px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-medium);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65);
  user-select: none;
  cursor: ew-resize;
}

.comparison-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.comparison-after-wrap {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

.comparison-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: #FFFFFF;
  z-index: 10;
  cursor: ew-resize;
  transform: translateX(-50%);
  box-shadow: 0 0 16px rgba(0, 0, 0, 0.7);
}

.comparison-handle-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #FFFFFF;
  color: #08090D;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  border: 3px solid var(--accent-pink);
}

.comparison-label {
  position: absolute;
  top: 24px;
  padding: 6px 14px;
  background: rgba(8, 9, 13, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 5;
  pointer-events: none;
}
.comparison-label.label-before { right: 24px; color: var(--text-secondary); }
.comparison-label.label-after { left: 24px; color: var(--accent-pink); }

/* Comparison Selector Tabs */
.comparison-tabs-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.comp-tab-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  background: #08090D;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}
.comp-tab-btn.active {
  background: rgba(244, 69, 162, 0.15);
  border-color: var(--accent-pink);
  color: var(--text-white);
}

/* ==========================================================================
   07 — INTERACTIVE CAMERA CONTROL MANUAL
   ========================================================================== */
.controls-section {
  position: relative;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 45px;
}

.control-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 18px;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.control-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
  background: var(--bg-surface-elevated);
}

.control-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent-pink);
  flex-shrink: 0;
}

.control-body {
  flex: 1;
}

.control-name {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.control-behavior-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  background: rgba(34, 211, 238, 0.1);
  padding: 2px 7px;
  border-radius: 4px;
}

.control-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   08 — FIVE-STEP QUICK START
   ========================================================================== */
.quickstart-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.quickstart-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 50px;
  position: relative;
}

.quickstart-step {
  background: #08090D;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--shutter-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 14px;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   09 — COLOUR SCIENCE WITHOUT JARGON
   ========================================================================== */
.science-section {
  position: relative;
}

.science-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 50px;
}

.science-diagram-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: var(--shadow-card);
}

.science-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.science-point-item {
  display: flex;
  gap: 16px;
}

.science-point-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(244, 69, 162, 0.12);
  border: 1px solid rgba(244, 69, 162, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-pink);
  font-size: 18px;
  flex-shrink: 0;
}

.science-point-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 4px;
}

.science-point-desc {
  font-size: 0.90rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ==========================================================================
   10 — PHOTOGRAPHY PHILOSOPHY
   ========================================================================== */
.philosophy-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.philosophy-editorial {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.philosophy-quote {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-white);
  margin-bottom: 24px;
}

.philosophy-body {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.philosophy-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.pillar-box {
  background: #08090D;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
}
.pillar-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-pink);
  margin-bottom: 4px;
}
.pillar-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   11 — FAQ & TROUBLESHOOTING ACCORDION
   ========================================================================== */
.faq-section {
  position: relative;
}

.faq-list {
  max-width: 840px;
  margin: 45px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}
.faq-item.active {
  border-color: rgba(244, 69, 162, 0.45);
  background: var(--bg-surface-elevated);
}

.faq-question-btn {
  width: 100%;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-white);
  gap: 16px;
}
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent-pink);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-answer-content {
  padding: 0 24px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   12 — FINAL CALL TO ACTION & FOOTER
   ========================================================================== */
.final-cta-section {
  position: relative;
  text-align: center;
  padding: 120px 0;
  background: radial-gradient(circle at 50% 50%, rgba(244, 69, 162, 0.22) 0%, rgba(161, 61, 231, 0.12) 35%, transparent 65%);
}

.final-cta-box {
  max-width: 720px;
  margin: 0 auto;
}

.site-footer {
  background: #050608;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 35px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}
.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.footer-link {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}
.footer-link:hover {
  color: var(--accent-pink);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 30px;
  font-size: 0.84rem;
  color: var(--text-muted);
}
.footer-developer-link {
  color: var(--accent-pink);
  font-weight: 600;
}
.footer-developer-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content {
    max-width: 100%;
    margin: 0 auto;
  }
  .eyebrow {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-row {
    justify-content: center;
  }
  .hero-pills {
    justify-content: center;
  }
  .hero-device-wrapper {
    margin-top: 20px;
  }
  .quickstart-timeline {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
  .science-grid {
    grid-template-columns: 1fr;
  }
  .philosophy-editorial {
    grid-template-columns: 1fr;
  }
  .lut-gallery-wrap {
    grid-template-columns: 1fr;
  }
  .strength-display-card {
    grid-template-columns: 1fr;
    padding: 24px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(8, 9, 13, 0.98);
    backdrop-filter: blur(25px);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border-medium);
  }
  .main-nav.open {
    display: flex;
  }
  .mobile-toggle {
    display: flex;
  }
  .header-cta-group .badge-coming-soon {
    display: none;
  }
  .device-stage-container {
    min-height: 440px;
    padding: 20px 10px;
  }
  .orientation-switcher {
    width: 100%;
    justify-content: center;
  }
  .orientation-btn {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
  .comparison-slider-stage {
    aspect-ratio: 4 / 3;
  }
  .quickstart-timeline {
    grid-template-columns: 1fr;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-links {
    flex-direction: column;
    gap: 14px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}