/* Landing page — shares tokens with privacy-shared.css */

:root {
  --bg: #060e1d;
  --bg-2: #0b1323;
  --surface: #18202f;
  --surface-high: #222a3a;
  --text: #dbe2f8;
  --muted: #8b9bb8;
  --accent: #00e5ff;
  --accent-2: #e9b3ff;
  --hot: #ff6e40;
  --border: rgba(255, 255, 255, 0.1);
  --glow: rgba(0, 229, 255, 0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Plus Jakarta Sans", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
}

.mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(0, 229, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 40% at 95% 5%, rgba(233, 179, 255, 0.18), transparent 50%),
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(255, 110, 64, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 40%, #0f1728 100%);
}

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

/* ── Header ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(6, 14, 29, 0.75);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

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

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  font-size: 18px;
  box-shadow: 0 0 24px var(--glow);
}

.brand-text strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-text span {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

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

.lang-picker {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.lang-picker button {
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  padding: 7px 10px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
}

.lang-picker button.active {
  background: rgba(0, 229, 255, 0.12);
  color: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 8px 10px;
  cursor: pointer;
  font-size: 16px;
}

/* ── Layout ── */

.page {
  position: relative;
  z-index: 1;
}

.section-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero ── */

.hero {
  padding: 80px 0 100px;
  text-align: center;
}

.hero-ghost {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 40px;
  font-size: clamp(100px, 22vw, 200px);
  font-weight: 900;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.04);
  user-select: none;
  pointer-events: none;
  white-space: nowrap;
}

.hero-inner {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--hot);
  background: rgba(255, 110, 64, 0.1);
  border: 1px solid rgba(255, 110, 64, 0.35);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hot);
  box-shadow: 0 0 10px var(--hot);
}

.hero h1 {
  font-size: clamp(44px, 9vw, 76px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 12px;
  background: linear-gradient(120deg, #fff 0%, var(--accent) 40%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #00b8d4);
  color: #041018;
  box-shadow: 0 8px 32px var(--glow);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(0, 229, 255, 0.4);
  color: var(--accent);
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  background: rgba(24, 32, 47, 0.8);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 12px;
}

.platform-chip svg {
  width: 18px;
  height: 18px;
  opacity: 0.8;
}

/* ── Stats ── */

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: -40px;
  margin-bottom: 80px;
}

.stat-card {
  text-align: center;
  padding: 24px 16px;
  background: rgba(24, 32, 47, 0.7);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(12px);
}

.stat-card strong {
  display: block;
  font-size: 28px;
  font-weight: 900;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-card span {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

/* ── Sections ── */

.section {
  padding: 80px 0;
}

.section-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 40px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 28px 24px;
  border-radius: 20px;
  background: rgba(24, 32, 47, 0.65);
  border: 1px solid var(--border);
  transition: border-color 0.25s, transform 0.25s;
}

.feature-card:hover {
  border-color: rgba(0, 229, 255, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 20px;
  margin-bottom: 16px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
}

.feature-card:nth-child(2) .feature-icon {
  background: rgba(233, 179, 255, 0.08);
  border-color: rgba(233, 179, 255, 0.2);
}

.feature-card:nth-child(3) .feature-icon {
  background: rgba(255, 110, 64, 0.08);
  border-color: rgba(255, 110, 64, 0.2);
}

.feature-card:nth-child(4) .feature-icon {
  background: rgba(255, 110, 64, 0.08);
  border-color: rgba(255, 110, 64, 0.2);
}

.feature-card:nth-child(5) .feature-icon {
  background: rgba(0, 229, 255, 0.08);
  border-color: rgba(0, 229, 255, 0.2);
}

.feature-card:nth-child(6) .feature-icon {
  background: rgba(233, 179, 255, 0.08);
  border-color: rgba(233, 179, 255, 0.2);
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── AI Banner ── */

.ai-banner {
  margin: 0 24px 80px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding: clamp(32px, 6vw, 56px);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(233, 179, 255, 0.06)),
    rgba(24, 32, 47, 0.8);
  border: 1px solid rgba(0, 229, 255, 0.2);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}

.ai-banner h2 {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.ai-banner p {
  font-size: 15px;
  color: var(--muted);
  max-width: 520px;
}

.ai-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.ai-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--accent);
}

.ai-orb {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent), var(--accent-2));
  box-shadow: 0 0 60px var(--glow), 0 0 100px rgba(233, 179, 255, 0.2);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.06); opacity: 1; }
}

/* ── Support & Legal ── */

.dual-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.panel-card {
  padding: 32px;
  border-radius: 24px;
  background: rgba(24, 32, 47, 0.65);
  border: 1px solid var(--border);
}

.panel-card h3 {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.panel-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}

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

.link-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--surface-high);
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}

.link-list a:hover {
  border-color: rgba(0, 229, 255, 0.35);
  color: var(--accent);
}

.link-list a::after {
  content: "→";
  color: var(--muted);
}

.email-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 14px 20px;
  border-radius: 14px;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.2);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.email-box:hover {
  background: rgba(0, 229, 255, 0.1);
}

/* ── Footer ── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 60px;
  margin-top: 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1100px;
  margin: 32px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .dual-panels { grid-template-columns: 1fr; }
  .ai-banner { grid-template-columns: 1fr; text-align: center; }
  .ai-banner p { margin: 0 auto; }
  .ai-tags { justify-content: center; }
  .ai-orb { margin: 0 auto; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(6, 14, 29, 0.95);
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
  .menu-toggle { display: block; }
  .site-header { position: relative; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .header-inner { position: relative; flex-wrap: wrap; }
}