/* ==========================================================================
   Daily Sutra — Landing Page Stylesheet
   Design System: Anthropic Claude (Warm Parchment, Terracotta, Literary Serif)
   Runner-Up: Apple (macOS Menu Bar Craft, Precision Controls, Native Tokens)
   ========================================================================== */

:root {
  /* Claude Color Palette */
  --color-canvas: #f5f4ed;
  --color-canvas-subtle: #faf9f5;
  --color-surface: #faf9f5;
  --color-surface-hover: #f0eee6;
  --color-card-bg: #ffffff;
  --color-sand: #e8e6dc;
  --color-sand-hover: #dedcce;
  
  --color-text-primary: #141413;
  --color-text-secondary: #5e5d59;
  --color-text-tertiary: #87867f;
  --color-text-inverse: #faf9f5;

  --color-terracotta: #c96442;
  --color-terracotta-hover: #b55333;
  --color-coral: #d97757;
  --color-gold: #b8860b;
  --color-gold-soft: #d4a574;

  --color-border-subtle: #f0eee6;
  --color-border-warm: #e8e6dc;
  --color-border-strong: #d1cfc5;

  --color-menubar-bg: rgba(250, 249, 245, 0.85);
  --color-panel-bg: #ffffff;
  --color-panel-paper: #fbf9f4;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(20, 20, 19, 0.04), 0 0 0 1px var(--color-border-warm);
  --shadow-md: 0 4px 16px -2px rgba(20, 20, 19, 0.06), 0 0 0 1px var(--color-border-warm);
  --shadow-lg: 0 16px 40px -6px rgba(20, 20, 19, 0.09), 0 0 0 1px var(--color-border-warm);
  --shadow-panel: 0 24px 56px -10px rgba(20, 20, 19, 0.16), 0 0 0 1px rgba(20, 20, 19, 0.08);

  /* Typography */
  --font-serif: "Newsreader", "Iowan Old Style", "Songti SC", "Noto Serif TC", "Source Han Serif TC", "Georgia", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, Monaco, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  --container-max: 1160px;
  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --color-canvas: #141413;
  --color-canvas-subtle: #1a1a18;
  --color-surface: #1f1f1d;
  --color-surface-hover: #292926;
  --color-card-bg: #1f1f1d;
  --color-sand: #2d2d2a;
  --color-sand-hover: #383834;
  
  --color-text-primary: #f5f4ed;
  --color-text-secondary: #b0aea5;
  --color-text-tertiary: #87867f;
  --color-text-inverse: #141413;

  --color-terracotta: #d97757;
  --color-terracotta-hover: #e28a6d;
  --color-coral: #e28a6d;

  --color-border-subtle: #292926;
  --color-border-warm: #343431;
  --color-border-strong: #454540;

  --color-menubar-bg: rgba(26, 26, 24, 0.88);
  --color-panel-bg: #1e1e1c;
  --color-panel-paper: #22221f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--color-border-warm);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--color-border-warm);
  --shadow-lg: 0 18px 48px -6px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--color-border-warm);
  --shadow-panel: 0 28px 64px -10px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.08);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-canvas);
  color: var(--color-text-primary);
  line-height: 1.6;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(245, 244, 237, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-warm);
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

[data-theme="dark"] .site-header {
  background-color: rgba(20, 20, 19, 0.85);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.brand-badge {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background-color: var(--color-sand);
  color: var(--color-text-secondary);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
}

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

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Control Pills (Language & Theme) */
.toggle-pill {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-sand);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-pill);
  padding: 3px;
  font-size: 0.8rem;
  font-weight: 500;
}

.toggle-option {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.toggle-option.active {
  background-color: var(--color-card-bg);
  color: var(--color-text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  background-color: var(--color-sand);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-warm);
  transition: all var(--transition-fast);
}

.theme-btn:hover {
  color: var(--color-text-primary);
  background-color: var(--color-sand-hover);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.94rem;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-smooth);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-terracotta);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(201, 100, 66, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-terracotta-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(201, 100, 66, 0.36);
}

.btn-secondary {
  background-color: var(--color-sand);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-warm);
}

.btn-secondary:hover {
  background-color: var(--color-sand-hover);
  transform: translateY(-1px);
}

.btn-outline {
  border: 1px solid var(--color-border-warm);
  background-color: transparent;
  color: var(--color-text-primary);
}

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

.btn-sm {
  font-size: 0.84rem;
  padding: 6px 14px;
}

.btn-lg {
  font-size: 1.05rem;
  padding: 14px 28px;
}

/* Hero Section */
.hero {
  padding-top: 72px;
  padding-bottom: 64px;
  text-align: center;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background-color: var(--color-sand);
  border: 1px solid var(--color-border-warm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 500;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.62;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.86rem;
  color: var(--color-text-tertiary);
  flex-wrap: wrap;
}

.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Interactive Simulator Showcase */
.simulator-section {
  padding-bottom: 88px;
}

.simulator-wrapper {
  background: linear-gradient(180deg, rgba(232, 230, 220, 0.45) 0%, rgba(245, 244, 237, 0.1) 100%);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-xl);
  padding: 28px 24px 36px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .simulator-wrapper {
  background: linear-gradient(180deg, rgba(31, 31, 29, 0.7) 0%, rgba(20, 20, 19, 0.3) 100%);
}

.simulator-header {
  text-align: center;
  margin-bottom: 24px;
}

.simulator-label {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-terracotta);
  margin-bottom: 6px;
}

.simulator-heading {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

/* Simulated macOS Menu Bar */
.mock-menubar {
  height: 30px;
  background-color: var(--color-menubar-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-warm);
  border-radius: 10px 10px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.mock-menu-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mock-apple-logo {
  font-size: 0.95rem;
  color: var(--color-text-primary);
}

.mock-menu-item {
  cursor: default;
}

.mock-menu-item.active {
  font-weight: 600;
  color: var(--color-text-primary);
}

.mock-menu-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mock-sutra-status-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 2px 7px;
  border-radius: 4px;
  background-color: rgba(201, 100, 66, 0.12);
  color: var(--color-terracotta);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mock-sutra-status-item:hover,
.mock-sutra-status-item.active {
  background-color: var(--color-terracotta);
  color: #ffffff;
}

/* The Live Sutra Floating Card */
.mock-desktop-canvas {
  background: radial-gradient(circle at 50% 10%, rgba(201, 100, 66, 0.06) 0%, transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(184, 134, 11, 0.05) 0%, transparent 50%),
              var(--color-canvas);
  border: 1px solid var(--color-border-warm);
  border-top: none;
  border-radius: 0 0 14px 14px;
  padding: 32px 16px;
  display: flex;
  justify-content: center;
  position: relative;
  min-height: 580px;
}

.sutra-panel-card {
  width: 100%;
  max-width: 440px;
  background-color: var(--color-panel-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
  position: relative;
}

/* Warm Paper Mode on the card */
.sutra-panel-card.warm-paper {
  background-color: #f8f5ee;
  border-color: #ded9cb;
}

[data-theme="dark"] .sutra-panel-card.warm-paper {
  background-color: #24231f;
  border-color: #3e3d36;
}

/* Panel Header */
.panel-header {
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.panel-day-tag {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--color-text-tertiary);
  background-color: var(--color-sand);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
}

.panel-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.panel-icon-btn:hover {
  background-color: var(--color-sand);
  color: var(--color-text-primary);
}

.panel-icon-btn.active {
  background-color: var(--color-sand);
  color: var(--color-terracotta);
}

/* Panel Nav Bar */
.panel-nav-row {
  padding: 8px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border-subtle);
  background-color: rgba(232, 230, 220, 0.25);
  font-size: 0.82rem;
}

.panel-nav-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-nav-btn {
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  background-color: var(--color-sand);
  font-size: 0.78rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.panel-nav-btn:hover {
  color: var(--color-text-primary);
  background-color: var(--color-sand-hover);
}

/* Panel Body */
.panel-body {
  padding: 24px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.verse-quote-box {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--color-terracotta);
}

.verse-quote-text {
  font-family: var(--font-serif);
  font-size: 1.24rem;
  line-height: 1.48;
  color: var(--color-text-primary);
  font-weight: 500;
}

.verse-explanation-box {
  font-size: 0.94rem;
  line-height: 1.62;
  color: var(--color-text-secondary);
  background-color: rgba(245, 244, 237, 0.6);
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

.verse-explanation-box strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.verse-blessing-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-style: italic;
  color: var(--color-text-primary);
  padding: 10px 14px;
  background-color: rgba(201, 100, 66, 0.06);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(201, 100, 66, 0.25);
}

.verse-blessing-emoji {
  font-style: normal;
  font-size: 1.15rem;
  line-height: 1;
}

/* Full Text Accordion */
.full-text-drawer {
  margin-top: 4px;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.full-text-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background-color: var(--color-sand);
  transition: background-color var(--transition-fast);
}

.full-text-toggle:hover {
  background-color: var(--color-sand-hover);
  color: var(--color-text-primary);
}

.full-text-content {
  display: none;
  padding: 14px;
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--color-text-secondary);
  max-height: 200px;
  overflow-y: auto;
  background-color: var(--color-card-bg);
  white-space: pre-line;
}

.full-text-content.open {
  display: block;
}

/* Panel Footer */
.panel-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-canvas-subtle);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.copy-feedback-msg {
  font-size: 0.82rem;
  font-weight: 500;
  color: #2e7d32;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transform: translateY(4px);
  transition: all var(--transition-fast);
}

.copy-feedback-msg.show {
  opacity: 1;
  transform: translateY(0);
}

/* Simulator Presets Bar */
.simulator-presets {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.preset-chip {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-warm);
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.preset-chip:hover,
.preset-chip.active {
  color: var(--color-text-primary);
  border-color: var(--color-terracotta);
  background-color: var(--color-card-bg);
}

.simulator-note {
  margin-top: 14px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 54px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-terracotta);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

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

/* Philosophy / Core Values Grid */
.philosophy-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-border-warm);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.value-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.value-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.value-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-sand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.value-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.value-desc {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* Features Grid */
.features-section {
  padding: 80px 0;
  background-color: var(--color-canvas-subtle);
  border-top: 1px solid var(--color-border-warm);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
}

.feature-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.feature-badge-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-sand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.feature-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.feature-shortcut-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--color-text-tertiary);
}

kbd {
  font-family: var(--font-mono);
  background-color: var(--color-sand);
  border: 1px solid var(--color-border-warm);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.74rem;
  color: var(--color-text-primary);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

/* App Showcase / Screenshot Section */
.showcase-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-border-warm);
  text-align: center;
}

.showcase-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.showcase-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-warm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.showcase-tab-btn:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.showcase-tab-btn.active {
  background-color: var(--color-card-bg);
  color: var(--color-terracotta);
  border-color: var(--color-terracotta);
  box-shadow: 0 2px 8px rgba(201, 100, 66, 0.15);
}

.showcase-frame {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
  border: 1px solid var(--color-border-warm);
  background-color: var(--color-card-bg);
  padding: 8px;
  transition: transform var(--transition-smooth);
}

.showcase-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  transition: opacity 200ms ease;
}

.showcase-caption {
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--color-text-tertiary);
  font-family: var(--font-serif);
  font-style: italic;
}

/* Installation & Downloads */
.install-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-border-warm);
  background-color: var(--color-canvas);
}

.install-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 860px) {
  .install-grid {
    grid-template-columns: 1fr;
  }
}

.install-steps-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

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

.step-num {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background-color: var(--color-sand);
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.gatekeeper-callout {
  margin-top: 20px;
  background-color: rgba(201, 100, 66, 0.07);
  border-left: 3px solid var(--color-terracotta);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 14px 16px;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.code-box {
  background-color: var(--color-sand);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  overflow-x: auto;
}

.copy-code-btn {
  font-size: 0.76rem;
  padding: 3px 8px;
  border-radius: 4px;
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-warm);
  color: var(--color-text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.copy-code-btn:hover {
  color: var(--color-text-primary);
}

.install-sidebar-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-box {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-box-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.sidebar-box-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 14px;
}

/* FAQ Accordion */
.faq-section {
  padding: 80px 0;
  border-top: 1px solid var(--color-border-warm);
  background-color: var(--color-canvas-subtle);
}

.faq-list {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-warm);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  font-size: 1rem;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  display: none;
  padding: 0 22px 20px;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

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

/* Footer */
.site-footer {
  padding: 64px 0 40px;
  border-top: 1px solid var(--color-border-warm);
  background-color: var(--color-canvas);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 360px;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.footer-dedication {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.96rem;
  color: var(--color-text-tertiary);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-links-group {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  margin-bottom: 14px;
}

.footer-col-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-link {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-col-link:hover {
  color: var(--color-terracotta);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--color-text-tertiary);
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 48px;
    padding-bottom: 44px;
  }

  .sutra-panel-card {
    max-width: 100%;
  }

  .mock-desktop-canvas {
    padding: 16px 8px;
    min-height: auto;
  }

  .footer-top {
    flex-direction: column;
  }
}