/* ==========================================================================
   DynaCut AI — Official Landing Page Stylesheet
   Theme: Graphite / Dark Slate (Faithful to DynaCut Desktop Design Tokens)
   Strict Policy: No neon lights, no generic vibe coding, no colorful emojis.
   ========================================================================== */

:root {
  /* Core palette directly synced with DynaCut Desktop tokens.css & theme.ts */
  --app: #161a21;
  --sidebar: #1b2029;
  --surface: #202631;
  --surface-2: #252c38;
  --surface-3: #2c3441;
  --surface-hover: #2f3746;
  
  --border: #343d4c;
  --border-strong: #465164;
  --border-light: rgba(255, 255, 255, 0.08);

  --text: #e8edf5;
  --text-muted: #b1bac9;
  --text-dim: #8490a2;

  --accent: #62a0ff;
  --accent-deep: #3b82f6;
  --accent-soft: rgba(98, 160, 255, 0.12);
  --accent-border: rgba(98, 160, 255, 0.28);

  --success: #58c697;
  --success-soft: rgba(88, 198, 151, 0.12);
  --warning: #f0b85d;
  --warning-soft: rgba(240, 184, 93, 0.12);
  --danger: #ff7c86;

  /* Track colors mirroring DynaCut Timeline Engine */
  --track-video: #38bdf8;
  --track-audio: #58c697;
  --track-caption: #f0b85d;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 14px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.36);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.48);

  --container-max: 1200px;
  --header-height: 64px;
}

/* Base Reset & Typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--app);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(22, 26, 33, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1280px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #1769e0;
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.brand-text span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 24px);
  list-style: none;
  flex-shrink: 1;
}

.nav-link {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.16s ease;
  user-select: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.lang-current-label {
  white-space: nowrap;
}

.lang-btn:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
}

.lang-chevron {
  transition: transform 0.2s ease;
  color: var(--text-muted);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 140px;
  background: var(--sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 1000;
  animation: fadeInDown 0.15s ease-out;
}

.lang-dropdown.show {
  display: flex;
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  padding: 7px 12px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: all 0.14s ease;
}

.lang-option:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.lang-option.active {
  background: rgba(98, 160, 255, 0.12);
  color: var(--accent);
  font-weight: 600;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all 0.16s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0f172a;
}

.btn-primary:hover {
  background: #84b4ff;
  box-shadow: 0 4px 14px rgba(98, 160, 255, 0.28);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
  border-radius: var(--radius-lg);
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  color: var(--text);
  padding: 6px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero-pill-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}

.hero-title {
  font-size: 46px;
  font-weight: 750;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}

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

.hero-desc {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(52, 61, 76, 0.45);
  font-size: 12.5px;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.trust-item svg {
  color: var(--accent);
}

/* ==========================================================================
   Desktop Application Showcase (Mockup)
   ========================================================================== */
.showcase-container {
  margin-top: 48px;
  position: relative;
}

.app-mockup {
  background: var(--sidebar);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mockup-titlebar {
  height: 36px;
  background: #13161c;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  user-select: none;
}

.mockup-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.mockup-title {
  font-size: 11.5px;
  color: var(--text-dim);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.mockup-status-tag {
  font-size: 10px;
  padding: 1px 6px;
  background: var(--surface);
  border-radius: 3px;
  color: var(--accent);
  border: 1px solid var(--border);
}

.mockup-body {
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  height: 520px;
  background: var(--app);
}

/* Mockup Left Sidebar */
.mockup-sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-step {
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 12px;
}

.sidebar-step.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.step-label {
  font-weight: 600;
  color: var(--text);
}

.step-badge {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--surface-2);
  color: var(--text-muted);
}

.step-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* Mockup Center Work Area */
.mockup-stage {
  display: flex;
  flex-direction: column;
  background: #111419;
  position: relative;
  overflow: hidden;
}

.mockup-preview {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.video-frame-sim {
  position: relative;
  width: 90%;
  max-width: 520px;
  aspect-ratio: 16 / 9;
  background: #181d24;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.video-sim-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.65) 100%);
  pointer-events: none;
}

.video-sim-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Blur box & Auto-fit Caption simulation */
.ocr-blur-sim {
  position: relative;
  z-index: 2;
  margin: 0 auto;
  width: 82%;
  height: 38px;
  background: rgba(22, 26, 33, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px dashed var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
}

.ocr-tag-indicator {
  position: absolute;
  top: -18px;
  left: 0;
  font-size: 9.5px;
  font-weight: 600;
  color: var(--accent);
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 2px;
  border: 1px solid var(--border);
}

.auto-fit-text-sim {
  font-size: 13.5px;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
  text-align: center;
  width: 100%;
}

/* Mockup Bottom Timeline */
.mockup-timeline {
  height: 160px;
  background: var(--sidebar);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.timeline-header {
  height: 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 11px;
  color: var(--text-dim);
}

.timeline-tracks {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
}

.timeline-lane {
  height: 24px;
  background: var(--surface);
  border-radius: 3px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 8px;
  font-size: 10.5px;
  border: 1px solid rgba(52, 61, 76, 0.4);
}

.lane-label {
  width: 48px;
  font-weight: 600;
  color: var(--text-muted);
}

.lane-block {
  flex: 1;
  height: 16px;
  border-radius: 2px;
  display: flex;
  align-items: center;
  padding: 0 6px;
  font-size: 9.5px;
  font-weight: 500;
}

.block-video { background: rgba(56, 189, 248, 0.22); border: 1px solid #38bdf8; color: #bae6fd; }
.block-bgm { background: rgba(88, 198, 151, 0.22); border: 1px solid #58c697; color: #a7f3d0; }
.block-voice { background: rgba(98, 160, 255, 0.22); border: 1px solid #62a0ff; color: #bfdbfe; }
.block-sub { background: rgba(240, 184, 93, 0.22); border: 1px solid #f0b85d; color: #fef08a; }

/* Mockup Right Inspector */
.mockup-inspector {
  background: var(--sidebar);
  border-left: 1px solid var(--border);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 12px;
}

.inspector-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.inspector-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.inspector-field label {
  color: var(--text-muted);
  font-size: 11px;
}

.inspector-val {
  padding: 6px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 11.5px;
}

/* ==========================================================================
   Bento Grid Section (Features)
   ========================================================================== */
.features-section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 34px;
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.bento-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.card-span-7 { grid-column: span 7; }
.card-span-5 { grid-column: span 5; }
.card-span-4 { grid-column: span 4; }
.card-span-6 { grid-column: span 6; }
.card-span-12 { grid-column: span 12; }

.bento-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.bento-card-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 8px;
}

.bento-card-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-muted);
}

.bento-visual-preview {
  margin-top: 24px;
  background: #14171d;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: monospace;
  font-size: 12px;
  color: var(--text-muted);
}

/* Feature specific visuals */
.waveform-visual {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 36px;
  margin-top: 16px;
}

.wave-bar {
  flex: 1;
  background: var(--accent);
  border-radius: 1px;
  opacity: 0.75;
}

.comparison-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
}
.tag-success { background: var(--success-soft); color: var(--success); }
.tag-warning { background: var(--warning-soft); color: var(--warning); }

/* ==========================================================================
   Before / After Interactive Slider Section
   ========================================================================== */
.slider-section {
  padding: 90px 0;
  background: #13161c;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ba-slider-wrapper {
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  user-select: none;
  background: #000000;
}

.ba-slider-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.ba-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ba-image-before {
  background: #1c222c;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.ba-image-after {
  background: #12161d;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  overflow: hidden;
  border-right: 2px solid var(--accent);
}

.ba-badge {
  position: absolute;
  top: 18px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.badge-left { left: 18px; color: var(--text-dim); }
.badge-right { right: 18px; color: var(--accent); }

/* Before / After simulated video graphics */
.ba-video-mock {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
}

.ba-sub-before {
  background: rgba(0, 0, 0, 0.8);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 17px;
  font-weight: 700;
  color: #ffde59;
  text-align: center;
  max-width: 90%;
}

.ba-sub-after-box {
  background: rgba(22, 26, 33, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(98, 160, 255, 0.35);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90%;
}

.ba-sub-after {
  font-size: 14.5px;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
}

/* Slider Drag Handle */
.ba-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 32px;
  margin-left: -16px;
  cursor: ew-resize;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.handle-button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.slider-helper-text {
  text-align: center;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--text-dim);
}

/* ==========================================================================
   Workflow Section (3 Steps)
   ========================================================================== */
.workflow-section {
  padding: 100px 0;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}

.workflow-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  position: relative;
}

.step-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 20px;
}

.step-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.step-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   System Requirements & Privacy Section
   ========================================================================== */
.specs-section {
  padding: 80px 0;
  background: #14171d;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.specs-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.spec-icon {
  color: var(--accent);
  margin-top: 2px;
}

.spec-content strong {
  display: block;
  font-size: 13.5px;
  color: var(--text);
}

.spec-content span {
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   Pricing & Usage Model Section
   ========================================================================== */
.pricing-section {
  padding: 100px 0;
}

.core-free-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-top: 40px;
  margin-bottom: 56px;
  position: relative;
  overflow: hidden;
}

.core-free-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.core-free-title-group h3 {
  font-size: 26px;
  font-weight: 750;
  color: var(--text);
  margin-bottom: 6px;
}

.core-free-title-group p {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 600px;
}

.core-free-price {
  font-size: 38px;
  font-weight: 800;
  color: var(--success);
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.core-free-price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}

.core-features-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.core-feature-col h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.core-feature-items {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.core-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.core-feature-item svg {
  color: var(--success);
  margin-top: 3px;
  flex-shrink: 0;
}

.core-feature-item strong {
  color: var(--text);
}

/* AI Translation BYOK Section */
.byok-heading-group {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 36px;
}

.byok-heading-group h3 {
  font-size: 24px;
  font-weight: 750;
  color: var(--text);
  margin-bottom: 10px;
}

.byok-heading-group p {
  font-size: 15px;
  color: var(--text-muted);
}

.byok-notice-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 14px;
}

.byok-notice-pill svg {
  color: var(--accent);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 480px));
  justify-content: center;
  gap: 28px;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.byok-recommended {
  border-color: var(--accent);
  background: linear-gradient(180deg, #242c38 0%, #1e242f 100%);
}

.featured-pill {
  position: absolute;
  top: -12px;
  right: 28px;
  background: var(--accent);
  color: #0f172a;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.pricing-plan-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.pricing-plan-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 42px;
}

.pricing-price {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.pricing-price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
}

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

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.pricing-feature-item svg {
  color: var(--success);
  margin-top: 3px;
  flex-shrink: 0;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 90px 0;
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item.open {
  border-color: var(--border-strong);
}

.faq-question {
  width: 100%;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  gap: 16px;
}

.faq-chevron {
  color: var(--text-dim);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  display: none;
  padding: 0 20px 20px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  border-top: 1px solid transparent;
}

.faq-item.open .faq-answer {
  display: block;
  border-top-color: rgba(52, 61, 76, 0.3);
  padding-top: 12px;
}

/* ==========================================================================
   CTA Footer Banner
   ========================================================================== */
.cta-banner-section {
  padding: 80px 0;
}

.cta-banner {
  background: linear-gradient(180deg, #202631 0%, #171b22 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.cta-banner-title {
  font-size: 32px;
  font-weight: 750;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
}

.cta-banner-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 32px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border);
  background: #111419;
  padding: 48px 0 32px;
  font-size: 13px;
  color: var(--text-dim);
}

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

.footer-nav {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-nav a:hover {
  color: var(--text);
}

.footer-copyright {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(52, 61, 76, 0.3);
  font-size: 12px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-title { font-size: 36px; }
  .bento-grid { grid-template-columns: 1fr; }
  .card-span-7, .card-span-5, .card-span-4, .card-span-6, .card-span-12 { grid-column: span 1; }
  .mockup-body { grid-template-columns: 1fr; height: auto; }
  .mockup-sidebar, .mockup-inspector { display: none; }
  .workflow-steps { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .core-features-columns { grid-template-columns: 1fr; gap: 24px; }
  .core-free-header { flex-direction: column; }
}

@media (max-width: 1040px) {
  .nav-links { display: none; }
  .mobile-nav-toggle { display: block; }
}

@media (max-width: 768px) {
  .header-actions { gap: 8px; }
  .lang-btn { padding: 5px 8px; font-size: 12px; }
  .hero-title { font-size: 30px; }
  .hero-desc { font-size: 15px; }
  .section-title { font-size: 26px; }
  .site-header { height: 56px; }
}