/* ============================================
   XCHAT GUIDE — Design System & Global Styles
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --bg-primary: #06060b;
  --bg-secondary: #0c0c14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(255, 255, 255, 0.05);

  --text-primary: #f0f0f5;
  --text-secondary: #8a8aa3;
  --text-muted: #55556a;

  --accent-start: #6366f1;
  --accent-end: #a855f7;
  --accent-mid: #8b5cf6;
  --gradient-primary: linear-gradient(135deg, var(--accent-start), var(--accent-end));

  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --partial: #f59e0b;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(139, 92, 246, 0.3);

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-max: 1200px;
  --card-radius: 16px;
  --btn-radius: 12px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

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

/* --- Utilities --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Skip link (accessibility + SEO) */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 12px 24px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 9999;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.15s; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(6, 6, 11, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border-subtle);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo-icon {
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

/* Background glows */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-start);
  top: -200px;
  left: -100px;
  animation: glowFloat 8s ease-in-out infinite;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: var(--accent-end);
  bottom: -150px;
  right: -100px;
  animation: glowFloat 10s ease-in-out infinite reverse;
}

.hero-glow-3 {
  width: 300px;
  height: 300px;
  background: var(--accent-mid);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: glowPulse 6s ease-in-out infinite;
}

@keyframes glowFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.25; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.45; transform: translate(-50%, -50%) scale(1.2); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  animation: heroFadeIn 1s ease-out;
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 100px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.25);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-mid);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-mid);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(139, 92, 246, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(139, 92, 246, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* --- Countdown --- */
.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
  padding: 16px 12px;
  border-radius: var(--card-radius);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.countdown-number {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.countdown-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-top: 4px;
}

.countdown-separator {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
  padding-bottom: 18px;
}

/* Countdown live state */
.countdown.live {
  flex-direction: column;
  gap: 16px;
}

.countdown.live .countdown-item,
.countdown.live .countdown-separator {
  display: none;
}

.countdown-live-text {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--success), #4ade80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: liveGlow 2s ease-in-out infinite;
}

@keyframes liveGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

/* --- CTA Buttons --- */
.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--btn-radius);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 0 24px rgba(99, 102, 241, 0.25), 0 4px 16px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.4), 0 8px 24px rgba(99, 102, 241, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.scroll-arrow {
  width: 24px;
  height: 40px;
  border-radius: 12px;
  border: 2px solid var(--border-subtle);
  position: relative;
}

.scroll-arrow::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--accent-mid);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* ============================================
   SECTIONS — Common
   ============================================ */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-mid);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   FEATURES
   ============================================ */
.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 36px 32px;
  border-radius: var(--card-radius);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-smooth);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--card-radius);
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, rgba(139, 92, 246, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-mid);
  margin-bottom: 20px;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.feature-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-mid);
  letter-spacing: 0.02em;
}

/* ============================================
   COMPARISON TABLE
   ============================================ */
.comparison {
  background: var(--bg-primary);
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--card-radius);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  -webkit-overflow-scrolling: touch;
}

.table-wrapper::-webkit-scrollbar {
  height: 6px;
}

.table-wrapper::-webkit-scrollbar-track {
  background: transparent;
}

.table-wrapper::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 700px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.comparison-table th {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  position: sticky;
  top: 0;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  background: var(--bg-secondary);
  z-index: 1;
}

.comparison-table td:first-child {
  background: rgba(12, 12, 20, 0.95);
}

.comparison-table tbody tr {
  transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.feature-name {
  font-weight: 600;
  color: var(--text-primary);
}

.th-xchat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
}

/* Highlight XChat column */
.highlight-col {
  background: rgba(139, 92, 246, 0.06) !important;
  border-left: 1px solid rgba(139, 92, 246, 0.12);
  border-right: 1px solid rgba(139, 92, 246, 0.12);
  color: var(--text-primary);
  font-weight: 500;
}

th.highlight-col {
  color: var(--text-primary) !important;
  background: rgba(139, 92, 246, 0.1) !important;
}

/* Checkmarks */
.check {
  font-weight: 700;
  margin-right: 4px;
}

.check.yes {
  color: var(--success);
}

.check.no {
  color: var(--danger);
}

.check.partial {
  color: var(--partial);
}

/* ============================================
   DOWNLOAD STEPS
   ============================================ */
.download {
  background: var(--bg-secondary);
}

.steps-grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
}

.step-card {
  flex: 1;
  max-width: 320px;
  padding: 36px 28px;
  border-radius: var(--card-radius);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  transition: all var(--transition-smooth);
}

.step-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-primary);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.step-content h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-connector {
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--text-muted);
}

/* Warning Card */
.warning-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 32px;
  border-radius: var(--card-radius);
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.2);
  max-width: 800px;
  margin: 0 auto;
}

.warning-icon {
  color: var(--warning);
  flex-shrink: 0;
  margin-top: 2px;
}

.warning-content h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--warning);
}

.warning-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.warning-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.warning-content li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.warning-content li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--warning);
  font-weight: 600;
}

/* ============================================
   INSIDE XCHAT
   ============================================ */
.inside {
  background: var(--bg-primary);
}

.inside-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.inside-card {
  padding: 32px 28px;
  border-radius: var(--card-radius);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.inside-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.inside-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 30px rgba(139, 92, 246, 0.05);
  border-color: rgba(139, 92, 246, 0.15);
}

.inside-card:hover::before {
  opacity: 1;
}

.inside-card-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.inside-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-mid);
}

.inside-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.inside-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.inside-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 6px;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.15);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--success);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  align-self: flex-start;
}

/* ============================================
   PRIVACY & SECURITY
   ============================================ */
.security {
  background: var(--bg-secondary);
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
  align-items: stretch;
}

.security-card {
  padding: 32px 28px;
  border-radius: var(--card-radius);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
}

.security-pro {
  border-color: rgba(34, 197, 94, 0.15);
  background: rgba(34, 197, 94, 0.02);
}

.security-con {
  border-color: rgba(245, 158, 11, 0.15);
  background: rgba(245, 158, 11, 0.02);
}

.security-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.security-pro .security-card-header {
  border-bottom-color: rgba(34, 197, 94, 0.1);
}

.security-con .security-card-header {
  border-bottom-color: rgba(245, 158, 11, 0.1);
}

.security-pro .security-card-header svg {
  color: var(--success);
}

.security-con .security-card-header svg {
  color: var(--warning);
}

.security-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.security-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.security-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.015);
  transition: background var(--transition-fast);
}

.security-list li:hover {
  background: rgba(255, 255, 255, 0.03);
}

.security-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  font-size: 0.7rem;
  font-weight: 700;
  margin-top: 1px;
}

.security-warn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
  font-size: 0.75rem;
  font-weight: 800;
  margin-top: 1px;
}

.security-list li strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 3px;
  color: var(--text-primary);
}

.security-list li p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.security-verdict {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 28px;
  border-radius: var(--card-radius);
  background: rgba(99, 102, 241, 0.04);
  border: 1px solid rgba(99, 102, 241, 0.12);
  position: relative;
  overflow: hidden;
}

.security-verdict::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 0 0 3px 3px;
}

.security-verdict p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  text-align: center;
}

.security-verdict strong {
  color: var(--text-primary);
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  background: var(--bg-primary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-item:hover {
  background: var(--bg-card-hover);
}

.faq-item.open {
  border-color: rgba(139, 92, 246, 0.2);
  background: rgba(139, 92, 246, 0.03);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--text-primary);
  transition: color var(--transition-fast);
  cursor: pointer;
  gap: 16px;
}

.faq-question span {
  flex: 1;
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--transition-smooth), color var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 64px 0 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

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

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.back-to-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.back-to-top:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
  :root {
    --section-padding: 80px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .security-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .steps-grid {
    flex-direction: column;
    align-items: center;
  }

  .step-card {
    max-width: 100%;
    width: 100%;
  }

  .step-connector {
    transform: rotate(90deg);
    padding: 8px 0;
  }

  .footer-content {
    flex-direction: column;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(6, 6, 11, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border-subtle);
    gap: 4px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .countdown {
    gap: 8px;
  }

  .countdown-item {
    min-width: 64px;
    padding: 12px 8px;
  }

  .countdown-number {
    font-size: 1.5rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin: 0 auto;
  }

  .btn {
    justify-content: center;
  }

  .warning-card {
    flex-direction: column;
    gap: 12px;
  }

  .inside-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    gap: 32px;
  }

  .comparison-table th:first-child,
  .comparison-table td:first-child {
    min-width: 140px;
  }
}

@media (max-width: 480px) {
  .countdown-separator {
    font-size: 1rem;
  }

  .countdown-item {
    min-width: 56px;
    padding: 10px 6px;
  }

  .countdown-number {
    font-size: 1.3rem;
  }

  .countdown-label {
    font-size: 0.6rem;
  }
}