/* SubChat Prime - Luxury Liquid Gold & Obsidian Interactive Design System */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* LUXURY LIQUID GOLD & OBSIDIAN PALETTE */
  --color-gold-bright: #F59E0B;    /* High-End Vibrant Liquid Gold / Amber */
  --color-gold-hover:  #D97706;    /* Deep Amber Gold */
  --color-gold-bg:     #FFFDF5;    /* Premium Cream Ivory Page Backdrop */
  --color-gold-tint:   #FEF3C7;    /* Soft Champagne Silk Wash */
  --color-gold-glow:   rgba(245, 158, 11, 0.22); /* Ambient Liquid Gold Aura */
  
  --color-text-main:   #0C0A09;    /* Sharp Polished Obsidian Typography */
  --color-card-bg:     #FFFFFF;    /* Pure Brilliant White for Cards */
  --color-card-border: #EFECE6;    /* Clean Structural Divider Lines */
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  
  --bg-base: var(--color-gold-bg);
  --bg-surface-1: var(--color-card-bg);
  --bg-surface-2: #FBF9F2;
  --bg-surface-3: #F5EEDC;
  --bg-surface-glass: rgba(255, 253, 245, 0.88);
  
  --text-primary: var(--color-text-main);
  --text-secondary: #57534E;
  --text-muted: #78716C;
  --text-dim: #A8A29E;
  
  --accent-gold: var(--color-gold-bright);
  --accent-gold-hover: var(--color-gold-hover);
  --accent-gold-glow: var(--color-gold-glow);
  
  --border-hairline: rgba(12, 10, 9, 0.06);
  --border-subtle: var(--color-card-border);
  --border-strong: rgba(245, 158, 11, 0.45);
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  --shadow-subtle: 0 4px 20px rgba(12, 10, 9, 0.04);
  --shadow-floating: 0 20px 45px rgba(12, 10, 9, 0.08), 0 0 1px rgba(12, 10, 9, 0.08);
  --shadow-gold: 0 10px 35px var(--color-gold-glow);
  
  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  letter-spacing: -0.01em;
}

::selection {
  background-color: rgba(245, 158, 11, 0.25);
  color: #B45309;
}

/* ==========================================================================
   POPUP ON SCROLL ANIMATION
   ========================================================================== */
.popup-on-scroll {
  opacity: 0;
  transform: scale(0.92) translate3d(0, 32px, 0);
  filter: blur(4px);
  transition: transform 0.65s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.55s ease, filter 0.55s ease;
  will-change: transform, opacity, filter;
}

.popup-on-scroll.popup-in-view {
  opacity: 1;
  transform: scale(1) translate3d(0, 0, 0);
  filter: blur(0px);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--color-text-main);
}

.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-gold-bright);
  letter-spacing: normal;
  padding-right: 2px;
}

p {
  color: var(--text-secondary);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s var(--ease-premium);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-gold-bright);
  color: #0C0A09;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--color-gold-glow);
}

.btn-primary:hover {
  background: var(--color-gold-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--color-text-main);
  border-color: var(--color-card-border);
}

.btn-secondary:hover {
  background: var(--bg-surface-2);
  border-color: var(--color-gold-bright);
  color: var(--color-gold-bright);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.84rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

/* Badges & Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: #FFFFFF;
  color: var(--text-secondary);
  border: 1px solid var(--color-card-border);
}

.badge-gold-solid {
  background: var(--color-gold-bright) !important;
  color: #0C0A09 !important;
  font-weight: 700 !important;
  border: none !important;
}

.badge-emerald {
  background: #ECFDF5;
  color: #059669;
  border-color: #A7F3D0;
}

.kbd {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  background: #F8FAFC;
  border: 1px solid var(--color-card-border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Section Header Structure */
.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-card-border);
  border-bottom: 1px solid var(--color-card-border);
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold-bright);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Header Navigation — Ultra-Premium Polished Alignment
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(239, 236, 230, 0.85);
  padding: 14px 0;
  transition: all 0.25s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-main);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-gold-bright);
  color: #0C0A09;
  border-radius: 8px;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 10px var(--color-gold-glow);
}

.logo-prime {
  color: var(--color-gold-bright);
  font-weight: 600;
}

.logo-version-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--color-gold-tint);
  color: #B45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
  margin-left: 2px;
}

.nav-center-menu {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  transition: all 0.18s var(--ease-premium);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--color-text-main);
  background: rgba(245, 158, 11, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.simulator-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(12, 10, 9, 0.02);
}

.simulator-toggle-btn.active {
  color: #059669;
  border-color: #A7F3D0;
  background: #ECFDF5;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

/* ==========================================================================
   Hero Section & Fast Typewriter
   ========================================================================== */
.hero-section {
  padding: 70px 0 90px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 14px;
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  color: var(--text-secondary);
  width: fit-content;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(12, 10, 9, 0.03);
}

.hero-title {
  font-size: clamp(2.3rem, 3.8vw, 3.3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -0.04em;
}

/* Fast Typewriter & Blinking Cursor */
.typewriter-container {
  display: inline-block;
  min-height: 1.2em;
  vertical-align: bottom;
}

.typewriter-highlight {
  color: var(--color-gold-bright);
  font-weight: 800;
  border-bottom: 2.5px solid var(--color-gold-bright);
  padding-bottom: 2px;
}

.typewriter-cursor {
  display: inline-block;
  color: var(--color-gold-bright);
  font-weight: 300;
  animation: blinkCursor 0.75s infinite;
  margin-left: 2px;
}

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

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 530px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.hero-meta-strip {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--color-card-border);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.meta-item svg {
  color: var(--color-gold-bright);
  flex-shrink: 0;
}

/* ==========================================================================
   Product Illustration Card — Multi-Tab Interactive Showcase (Bulletproof)
   ========================================================================== */
.hero-preview-box {
  display: flex;
  justify-content: center;
  width: 100%;
}

.interactive-mock-window {
  width: 100%;
  background: #FFFFFF;
  border: 1.5px solid var(--color-card-border);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 45px rgba(12, 10, 9, 0.08), 0 0 1px rgba(12, 10, 9, 0.08);
  overflow: hidden;
  transition: transform 0.3s var(--ease-premium), box-shadow 0.3s ease, border-color 0.3s ease;
  min-height: 440px;
  display: flex;
  flex-direction: column;
}

.interactive-mock-window:hover {
  border-color: rgba(245, 158, 11, 0.6);
  box-shadow: 0 28px 56px var(--color-gold-glow);
}

.window-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #FBF9F2;
  border-bottom: 1px solid var(--color-card-border);
}

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

.w-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.w-red { background: #EF4444; }
.w-yellow { background: #F59E0B; }
.w-green { background: #10B981; }

.window-url-bar {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  background: #FFFFFF;
  padding: 3px 12px;
  border-radius: 4px;
  border: 1px solid var(--color-card-border);
}

.hero-tabs-header {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border-bottom: 1px solid var(--color-card-border);
  padding: 8px 12px;
  gap: 8px;
  overflow-x: auto;
}

.hero-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.hero-tab-btn:hover {
  color: var(--color-text-main);
  background: var(--color-gold-tint);
  border-color: var(--color-gold-bright);
}

.hero-tab-btn.active {
  background: var(--color-gold-bright) !important;
  color: #0C0A09 !important;
  border-color: var(--color-gold-hover) !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px var(--color-gold-glow) !important;
}

.hero-mock-panel {
  display: none !important;
  padding: 20px;
  flex: 1;
}

.hero-mock-panel.active {
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  animation: panelFadeIn 0.2s ease;
}

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

/* Mock UI Components inside Hero */
.mock-split-view {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.mock-app-surface {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.86rem;
  color: #334155;
  line-height: 1.55;
}

.mock-subchat-bubble {
  background: #FFFFFF;
  border: 1.5px solid var(--color-gold-bright);
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.12);
  font-size: 0.85rem;
  line-height: 1.55;
}

.mock-subchat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid #F1F5F9;
  font-weight: 700;
  font-size: 0.78rem;
  color: #B45309;
}

.mock-yt-seek {
  color: #D97706;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  padding: 1px 4px;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.mock-yt-seek:hover {
  background: var(--color-gold-tint);
}

.mock-insert-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 6px 14px;
  background: #10B981;
  color: #FFFFFF;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mock-insert-btn:hover {
  background: #059669;
  transform: translateY(-1px);
}

.mock-verdict {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.78rem;
}

.mock-verdict.true {
  background: #DCFCE7;
  color: #15803D;
  border: 1px solid #86EFAC;
}

.mock-verdict.warn {
  background: #FEF3C7;
  color: #B45309;
  border: 1px solid #FCD34D;
}

/* ==========================================================================
   Step Tracker Process Nodes — Highly Visual Workflow
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-node-container {
  background: #FFFFFF;
  border: 1.5px solid var(--color-card-border);
  border-radius: 14px;
  padding: 28px 24px;
  box-shadow: 0 4px 16px rgba(12, 10, 9, 0.03);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}

.step-node-container:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold-bright);
  box-shadow: 0 12px 32px var(--color-gold-glow);
}

.step-badge {
  display: inline-block;
  background: var(--color-gold-tint);
  color: var(--color-gold-hover);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
  width: fit-content;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text-main);
}

.step-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.step-illustration-box {
  margin-top: auto;
  background: #FBF9F2;
  border: 1px solid var(--color-card-border);
  border-radius: 8px;
  padding: 14px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Floating Selection Pills in Live Engine Sandbox
   ========================================================================== */
.sandbox-split-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-floating);
}

.sandbox-nav-sidebar {
  background: #FBF9F2;
  border-right: 1px solid var(--color-card-border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.engine-tab-pill {
  border: 1px solid var(--color-card-border) !important;
  background: #FFFFFF !important;
  padding: 12px 20px !important;
  border-radius: 50px !important;
  color: #78716C !important;
  transition: all 0.3s var(--ease-premium) !important;
  cursor: pointer;
  font-weight: 500;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}

.engine-tab-pill:hover {
  background: #F5EEDC !important;
  color: var(--color-text-main) !important;
  border-color: var(--color-gold-bright) !important;
}

.engine-tab-pill.active {
  background: var(--color-gold-tint) !important;
  border-color: var(--color-gold-bright) !important;
  color: var(--color-text-main) !important;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--color-gold-glow) !important;
}

.sandbox-view-area {
  padding: 32px;
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  min-height: 380px;
}

.mock-paragraph {
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.mock-code-block {
  background: #0C0A09;
  border: 1px solid var(--color-card-border);
  border-radius: 8px;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #F8FAFC;
  line-height: 1.6;
  margin: 18px 0;
  overflow-x: auto;
}

.mock-code-block .keyword { color: #F43F5E; }
.mock-code-block .func { color: #38BDF8; }
.mock-code-block .string { color: #34D399; }
.mock-code-block .comment { color: #78716C; font-style: italic; }

/* ==========================================================================
   Symmetric 3-Column Features Grid (Clean & Balanced)
   ========================================================================== */
.features-grid-symmetric {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card-clean {
  background: var(--color-card-bg);
  border: 1.5px solid var(--color-card-border);
  border-radius: 14px;
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(12, 10, 9, 0.02);
  transition: transform 0.25s var(--ease-premium), border-color 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}

.feature-card-clean:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold-bright);
  box-shadow: 0 14px 36px var(--color-gold-glow);
}

.feature-card-top {
  display: flex;
  flex-direction: column;
}

.feature-icon-badge {
  width: 48px;
  height: 48px;
  background: var(--color-gold-tint);
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.feature-card-title {
  font-size: 1.22rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text-main);
  line-height: 1.35;
}

.feature-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.feature-tags-row {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-card-border);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Symmetric 3x2 Testimonials Grid (Centered & Balanced)
   ========================================================================== */
.testimonials-grid-symmetric {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card-clean {
  background: #FFFFFF;
  border: 1.5px solid var(--color-card-border);
  padding: 28px 24px;
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(12, 10, 9, 0.02);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.testimonial-card-clean:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold-bright);
}

.testimonial-stars {
  color: #F59E0B;
  font-size: 0.95rem;
  letter-spacing: 2px;
}

.author-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.82rem;
}

.author-avatar.avatar-amber {
  background: var(--color-gold-tint);
  color: #B45309;
}

.author-avatar.avatar-purple {
  background: #F3E8FF;
  color: #9333EA;
}

.author-avatar.avatar-blue {
  background: #E0F2FE;
  color: #0284C7;
}

.author-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.author-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.testimonial-text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ==========================================================================
   Matrix Comparison Table
   ========================================================================== */
.comparison-table-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-card-border);
  font-size: 0.92rem;
}

.comparison-table th {
  background: #FBF9F2;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-table td.highlight-col,
.comparison-table th.highlight-col {
  background: var(--color-gold-tint);
  border-left: 1.5px solid var(--color-gold-bright);
  border-right: 1.5px solid var(--color-gold-bright);
  color: #B45309;
  font-weight: 700;
}

.icon-check {
  color: #10B981;
  font-weight: 800;
  margin-right: 6px;
}

.icon-cross {
  color: #EF4444;
  font-weight: 800;
  margin-right: 6px;
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  box-shadow: 0 4px 16px rgba(12, 10, 9, 0.03);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold-bright);
}

.pricing-card.featured {
  border: 2px solid var(--color-gold-bright);
  box-shadow: 0 10px 30px var(--color-gold-glow);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
}

.plan-name {
  font-size: 1.4rem;
  margin-bottom: 6px;
  color: var(--color-text-main);
}

.plan-summary {
  font-size: 0.86rem;
  color: var(--text-muted);
  min-height: 40px;
}

.plan-price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 18px 0 10px;
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-text-main);
}

.plan-period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.plan-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.plan-action-box {
  margin-top: auto;
}

/* ROI Calculator */
.roi-calculator-box {
  margin-top: 48px;
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 4px 16px rgba(12, 10, 9, 0.03);
}

.roi-slider {
  width: 100%;
  max-width: 400px;
  accent-color: var(--color-gold-bright);
  margin-bottom: 12px;
}

.savings-amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-gold-bright);
  margin-top: 4px;
}

/* FAQ Restriction */
.faq-container-restricted {
  max-width: 780px;
  margin: 0 auto;
  width: 100%;
}

.faq-search-input {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  color: var(--color-text-main);
  font-size: 0.92rem;
  margin-bottom: 24px;
  outline: none;
}

.faq-search-input:focus {
  border-color: var(--color-gold-bright);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(12, 10, 9, 0.02);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text-main);
  cursor: pointer;
  user-select: none;
}

.faq-toggle-icon {
  font-size: 1.2rem;
  color: var(--color-gold-bright);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.faq-answer {
  display: none;
  padding: 0 22px 20px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-secondary);
  border-top: 1px solid var(--color-card-border);
  padding-top: 14px;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Footer */
.site-footer {
  background: #FFFFFF;
  border-top: 1px solid var(--color-card-border);
  padding: 70px 0 36px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-column {
  max-width: 320px;
}

.footer-links-group {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-main);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--color-gold-bright);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-card-border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Modal Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(12, 10, 9, 0.65);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  place-items: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: grid;
}

.modal-box {
  background: #FFFFFF;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 28px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 25px 60px rgba(12, 10, 9, 0.15);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid-symmetric {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid-symmetric {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .sandbox-split-wrapper {
    grid-template-columns: 1fr;
  }
  
  .sandbox-nav-sidebar {
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-card-border);
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 36px;
  }
}

@media (max-width: 640px) {
  .features-grid-symmetric,
  .testimonials-grid-symmetric {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-tabs-header {
    gap: 4px;
    padding: 6px;
  }
  
  .hero-tab-btn {
    padding: 5px 10px;
    font-size: 0.72rem;
  }
}