/* ============================================================
   Bitget V18 — Withdrawal Readiness Conversion Page
   Stylesheet (pure CSS, no frameworks)
   Design: premium, clean, professional, asset-safety focused
   Mobile-first | RTL aware | Accessibility built-in
   ============================================================ */

/* ============================================================
   1. Design System — CSS Variables
   ============================================================ */
:root {
  /* Color System */
  --bg-base: #0A0E1A;
  --bg-elevated: #131826;
  --bg-surface: #1A2030;
  --accent-primary: #00F0DE;
  --accent-primary-dim: #00D9C0;
  --accent-warning: #FFB020;
  --accent-danger: #FF5757;
  --text-primary: #F0F4F8;
  --text-secondary: #A0AEC0;
  --text-muted: #6B7280;
  --border-color: rgba(255, 255, 255, 0.08);

  /* Typography */
  --font-display: 'Sora', 'Noto Sans SC', 'Noto Sans TC', 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans Arabic', 'Noto Sans Thai', sans-serif;
  --font-body: 'DM Sans', 'Noto Sans SC', 'Noto Sans TC', 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans Arabic', 'Noto Sans Thai', sans-serif;
  --font-mono: 'JetBrains Mono', 'Noto Sans SC', 'Noto Sans TC', monospace;

  /* Spacing System */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;

  /* Radius System */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* Shadow System */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(0, 240, 222, 0.15);

  /* Layout */
  --container-max: 1200px;
  --header-height: 64px;
  --transition-base: 0.2s ease;
  --transition-slow: 0.4s ease;
}

/* ============================================================
   2. CSS Reset & Base
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

ul,
ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

/* ============================================================
   3. Accessibility — Focus States
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   4. Layout — Container
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* ============================================================
   5. Skip Link
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  background: var(--accent-primary);
  color: var(--bg-base);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 1rem;
}

/* ============================================================
   6. Button System
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn--primary {
  background: var(--accent-primary);
  color: var(--bg-base);
  border: none;
}

.btn--primary:hover {
  filter: brightness(1.1);
  box-shadow: var(--shadow-glow);
}

.btn--primary:active {
  filter: brightness(0.95);
  transform: translateY(1px);
}

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

.btn--secondary:hover {
  border-color: var(--accent-primary);
  background: rgba(0, 240, 222, 0.04);
}

.btn--secondary:active {
  transform: translateY(1px);
}

.btn--compact {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--large {
  padding: 0.875rem 2rem;
  font-size: 1.0625rem;
}

.btn--block {
  width: 100%;
  justify-content: center;
}

/* ============================================================
   7. Site Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.site-logo__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.site-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.site-nav__link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-base);
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--text-primary);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-family: var(--font-body);
  transition: all var(--transition-base);
}

.lang-switcher:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.lang-switcher svg {
  flex-shrink: 0;
}

.lang-switcher span {
  white-space: nowrap;
}

/* Language Panel */
.lang-panel {
  position: absolute;
  top: 100%;
  margin-top: 0.5rem;
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-width: 180px;
  max-height: 400px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 2px;
}

.lang-panel[hidden] {
  display: none;
}

.lang-option {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: all var(--transition-base);
}

.lang-option:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.lang-option--current {
  color: var(--accent-primary);
  background: rgba(0, 240, 222, 0.08);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  padding: 0;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  margin: 0 auto;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 1.5rem 1.5rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-color);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  text-decoration: none;
  border-bottom: 1px solid var(--border-color);
  transition: color var(--transition-base);
}

.mobile-menu a:not(.btn):hover {
  color: var(--text-primary);
}

.mobile-menu .btn {
  margin-top: 0.75rem;
  border-bottom: none;
  padding: 0.75rem 1.5rem;
}

/* ============================================================
   8. Hero Section
   ============================================================ */
.hero {
  padding: 4rem 0 3rem;
  position: relative;
  background: radial-gradient(ellipse at top, rgba(0, 240, 222, 0.06) 0%, transparent 50%);
}

.hero__inner {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero__eyebrow {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-warning);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero__cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Caution Banner */
.caution-banner {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: rgba(255, 176, 32, 0.08);
  border: 1px solid rgba(255, 176, 32, 0.2);
  border-left: 4px solid var(--accent-warning);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 2rem;
  text-align: left;
}

.caution-banner__icon {
  font-size: 1.25rem;
  line-height: 1.4;
  flex-shrink: 0;
}

.caution-banner__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* Hero Badge */
.hero__badge {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.375rem 1rem;
  background: rgba(0, 240, 222, 0.08);
  border: 1px solid rgba(0, 240, 222, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: 0.04em;
}

/* ============================================================
   9. Section — Generic
   ============================================================ */
.section {
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
}

.section__header {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  display: block;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.section__desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.section__cta {
  text-align: center;
  margin-top: 2.5rem;
}

.section__note {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================================
   10. Before Section
   ============================================================ */
.before-section {
  background: rgba(255, 176, 32, 0.02);
}

.info-points {
  list-style: none;
  padding: 0;
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
}

.info-point {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  transition: border-color var(--transition-base);
}

.info-point:hover {
  border-color: rgba(0, 240, 222, 0.2);
}

.info-point__icon {
  color: var(--accent-primary);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1.5;
}

/* ============================================================
   11. Checklist Section
   ============================================================ */
.checklist-section {
  /* uses base section styles */
}

.checklist__progress-bar {
  width: 100%;
  max-width: 600px;
  margin: 0 auto 2rem;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.checklist__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-primary-dim));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.checklist {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

.checklist__item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  cursor: pointer;
  transition: border-color var(--transition-base), opacity var(--transition-base);
}

.checklist__item:hover {
  border-color: rgba(0, 240, 222, 0.3);
}

.checklist__item.is-checked {
  opacity: 0.6;
  border-color: rgba(0, 240, 222, 0.2);
}

.checklist__item.is-checked .checklist__title {
  text-decoration: line-through;
}

.checklist__checkbox {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.checklist__item.is-checked .checklist__checkbox {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.checklist__checkbox svg {
  opacity: 0;
  transition: opacity var(--transition-base);
}

.checklist__item.is-checked .checklist__checkbox svg {
  opacity: 1;
  color: var(--bg-base);
}

.checklist__content {
  flex: 1;
  min-width: 0;
}

.checklist__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.checklist__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   12. Path Steps Section
   ============================================================ */
.path-section {
  /* uses base section styles */
}

.path__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.path__step {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: transform var(--transition-base), border-color var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.path__step:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 222, 0.2);
  box-shadow: var(--shadow-md);
}

.path__step-num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  opacity: 0.6;
  line-height: 1;
}

.path__step-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.path__step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.path__step-cta {
  margin-top: auto;
}

/* ============================================================
   13. App Section
   ============================================================ */
.app-section {
  /* uses base section styles */
}

.app-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.benefit-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.benefit-card:hover {
  border-color: rgba(0, 240, 222, 0.2);
  transform: translateY(-2px);
}

.benefit-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.benefit-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   14. Safety Section
   ============================================================ */
.safety-section {
  background: rgba(255, 87, 87, 0.02);
}

.safety-warnings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.warning-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-danger);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: transform var(--transition-base);
}

.warning-card:hover {
  transform: translateY(-2px);
}

.warning-card__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.warning-card__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.safety-rule {
  max-width: 760px;
  margin: 2rem auto 0;
  background: rgba(255, 87, 87, 0.06);
  border: 1px solid rgba(255, 87, 87, 0.2);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  text-align: center;
}

.safety-rule p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ============================================================
   15. Risk Section
   ============================================================ */
.risk-section {
  /* uses base section styles */
}

.risk-list {
  list-style: none;
  padding: 0;
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

.risk-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.875rem 1.25rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  transition: border-color var(--transition-base);
}

.risk-item:hover {
  border-color: rgba(255, 87, 87, 0.2);
}

.risk-item__icon {
  color: var(--accent-danger);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1.5;
}

/* ============================================================
   16. FAQ Section
   ============================================================ */
.faq-section {
  /* uses base section styles */
}

.faq {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

.faq__item {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq__item[open] {
  border-color: rgba(0, 240, 222, 0.2);
}

.faq__item > summary {
  list-style: none;
}

.faq__item > summary::-webkit-details-marker {
  display: none;
}

.faq__q {
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: color var(--transition-base);
}

.faq__q:hover {
  color: var(--accent-primary);
}

.faq__q::after {
  content: '\2304';
  font-size: 1.25rem;
  color: var(--text-secondary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  line-height: 1;
}

.faq__item[open] .faq__q::after {
  transform: rotate(180deg);
}

.faq__a {
  padding: 0 1.25rem 1rem;
}

.faq__a p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ============================================================
   17. Final CTA Section
   ============================================================ */
.final-cta {
  padding: 4rem 0;
  background: linear-gradient(180deg, transparent, rgba(0, 240, 222, 0.04));
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.final-cta__inner {
  max-width: 760px;
  margin: 0 auto;
}

.final-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.final-cta__desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.final-cta__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.final-cta__note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

/* ============================================================
   18. Footer
   ============================================================ */
.site-footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 0;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.site-footer__brand {
  /* container for logo + desc */
}

.site-footer__desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 1rem;
  max-width: 480px;
}

.site-footer__links {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.site-footer__heading {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.site-footer__links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

.site-footer__links a:hover {
  color: var(--accent-primary);
}

.site-footer__disclaimer {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.site-footer__disclaimer p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.site-footer__bottom {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
}

.site-footer__bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* ============================================================
   19. Sticky CTA (Mobile)
   ============================================================ */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
}

.sticky-cta[hidden] {
  display: none;
}

.sticky-cta .btn {
  flex: 1;
  justify-content: center;
}

/* ============================================================
   20. Responsive Breakpoints
   ============================================================ */

/* ---- Tablet: 768px – 1024px ---- */
@media (max-width: 1024px) {
  .site-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .mobile-menu[hidden] {
    display: none;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ---- Mobile: < 768px ---- */
@media (max-width: 767px) {
  .hero {
    padding: 2.5rem 0 2rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .final-cta {
    padding: 2.5rem 0;
  }

  .section__header {
    margin-bottom: 2rem;
  }

  .path__steps,
  .app-benefits,
  .safety-warnings {
    grid-template-columns: 1fr;
  }

  .hero__cta-group,
  .final-cta__buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta-group .btn,
  .final-cta__buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .caution-banner {
    flex-direction: row;
  }

  .site-header__actions .lang-switcher span {
    display: none;
  }

  .site-header__actions .btn--compact {
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
  }

  /* Show sticky CTA on mobile (controlled by JS, but ensure visible when not hidden) */
  .sticky-cta:not([hidden]) {
    display: flex;
  }

  /* Add bottom padding so sticky CTA doesn't cover content */
  body {
    padding-bottom: 70px;
  }

  .info-points,
  .risk-list {
    gap: 0.75rem;
  }

  .checklist {
    gap: 0.5rem;
  }

  .container {
    padding: 0 1rem;
  }
}

/* ---- Desktop: > 1024px ---- */
@media (min-width: 1025px) {
  .sticky-cta {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: none !important;
  }

  .mobile-menu {
    display: none !important;
  }
}

/* ---- Small mobile: < 380px ---- */
@media (max-width: 379px) {
  .hero__title {
    font-size: 1.625rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }

  .btn--large {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
  }
}

/* ============================================================
   21. RTL Support
   ============================================================ */
[dir="rtl"] .site-header__inner {
  flex-direction: row-reverse;
}

[dir="rtl"] .site-logo {
  flex-direction: row-reverse;
}

[dir="rtl"] .site-nav {
  flex-direction: row-reverse;
}

[dir="rtl"] .site-header__actions {
  flex-direction: row-reverse;
}

[dir="rtl"] .lang-panel {
  right: auto;
  left: 0;
}

[dir="rtl"] .info-point,
[dir="rtl"] .checklist__item,
[dir="rtl"] .risk-item {
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .caution-banner {
  border-left: 1px solid rgba(255, 176, 32, 0.2);
  border-inline-start: 4px solid var(--accent-warning);
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .warning-card {
  border-left: 1px solid var(--border-color);
  border-inline-start: 4px solid var(--accent-danger);
}

[dir="rtl"] .faq__q {
  flex-direction: row-reverse;
  text-align: right;
}

[dir="rtl"] .hero__cta-group,
[dir="rtl"] .final-cta__buttons {
  flex-direction: row-reverse;
}

[dir="rtl"] .sticky-cta {
  flex-direction: row-reverse;
}

[dir="rtl"] .path__step,
[dir="rtl"] .benefit-card {
  text-align: right;
}

[dir="rtl"] .mobile-menu-toggle {
  flex-direction: column;
}

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

  .path__step:hover,
  .benefit-card:hover,
  .warning-card:hover {
    transform: none;
  }

  .checklist__progress-fill {
    transition: none;
  }
}

/* ============================================================
   23. Print Styles
   ============================================================ */
@media print {
  .site-header,
  .sticky-cta,
  .mobile-menu,
  .lang-panel,
  .hero__cta-group,
  .section__cta,
  .final-cta__buttons,
  .site-footer__links {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section,
  .hero {
    border: none;
    padding: 1rem 0;
  }
}

/* ============================================================
   24. Utility & Misc
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Smooth scroll for anchor links */
html {
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

/* Selection styling */
::selection {
  background: rgba(0, 240, 222, 0.25);
  color: var(--text-primary);
}

/* Scrollbar styling (WebKit) */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-base);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-surface);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-base);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Lang panel scrollbar */
.lang-panel::-webkit-scrollbar {
  width: 6px;
}

.lang-panel::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border: none;
  border-radius: var(--radius-full);
}