:root {
  --bg: #05070d;
  --bg-2: #0a0e1a;
  --card: #0e1422;
  --card-hover: #121a2c;
  --border: #1c2740;
  --text: #eef3ff;
  --muted: #8a98b8;
  --accent: #22d3ee;
  --accent-2: #3b82f6;
  --accent-glow: rgba(34, 211, 238, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background layers */
.bg-image {
  position: fixed;
  inset: 0;
  background: url('snake.jpg') center center / cover no-repeat;
  opacity: 0.18; /* lowered so text stays readable */
  z-index: 0;
  pointer-events: none;
}
/* dark vignette over the photo to keep contrast high */
.bg-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(5, 7, 13, 0.7) 100%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  z-index: 0;
}

.bg-glow {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  filter: blur(80px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

.wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  padding: 48px 24px;
  text-align: center;
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 56px;
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 15px;
}
.brand-mark { color: var(--text); }
.brand-sub {
  color: var(--accent);
  text-shadow: 0 0 18px var(--accent-glow);
}
.brand-divider {
  width: 1px;
  height: 18px;
  background: var(--border);
}

/* Hero */
.hero { margin-bottom: 44px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.06);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 24px;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(48px, 13vw, 84px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-title .accent {
  color: var(--accent);
  text-shadow: 0 0 40px var(--accent-glow);
}

.hero-tag {
  font-size: clamp(16px, 4vw, 20px);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}
.hero-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 420px;
  margin: 0 auto;
}

/* Cards */
.cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 48px;
}

.card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-decoration: none;
  color: var(--text);
  text-align: left;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-2px);
  background: var(--card-hover);
  border-color: var(--accent);
  box-shadow: 0 8px 30px -12px var(--accent-glow);
}

.card-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--accent);
}
.card-icon svg { width: 24px; height: 24px; }

.card-telegram .card-icon { color: #29b6f6; }
.card-tiktok .card-icon { color: #ff3b5c; }
.card-bonus .card-icon { color: #ffd54a; }

.card-body { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.card-title { font-weight: 700; font-size: 16px; }
.card-desc { font-size: 13px; color: var(--muted); }

.card-arrow {
  color: var(--muted);
  font-size: 20px;
  transition: transform 0.18s ease, color 0.18s ease;
}
.card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

.card-bonus[data-placeholder="true"] {
  opacity: 0.7;
  cursor: default;
}
.card-bonus[data-placeholder="true"]:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: none;
  background: var(--card);
}

/* Primary button (used on /group) */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 360px;
  margin: 8px auto 0;
  padding: 18px 28px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #04121a;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
  box-shadow: 0 10px 30px -8px var(--accent-glow);
  transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 14px 38px -8px var(--accent-glow);
}

.group-sub {
  font-size: clamp(16px, 4.4vw, 20px);
  color: var(--text);
  font-weight: 500;
  margin: 4px auto 28px;
  max-width: 420px;
  line-height: 1.5;
}

/* TikTok / in-app-browser fallback box */
.fallback {
  margin-top: 40px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  text-align: left;
}
.fallback h3 { font-size: 14px; font-weight: 700; margin-bottom: 10px; color: var(--accent); }
.fallback p { font-size: 13px; line-height: 1.6; color: var(--muted); margin-bottom: 12px; }
.fallback .link-row {
  display: flex; gap: 8px; align-items: stretch; flex-wrap: wrap;
}
.fallback code {
  flex: 1; min-width: 0; display: flex; align-items: center;
  padding: 10px 12px; border-radius: 10px; background: var(--bg-2);
  border: 1px solid var(--border); color: var(--text);
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px;
  overflow-x: auto; white-space: nowrap;
}
.copy-btn {
  flex-shrink: 0; padding: 10px 16px; border-radius: 10px; cursor: pointer;
  background: rgba(34,211,238,0.1); border: 1px solid var(--accent);
  color: var(--accent); font-weight: 700; font-size: 13px;
  transition: background 0.15s ease;
}
.copy-btn:hover { background: rgba(34,211,238,0.2); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding-top: 28px; }
.disclaimer {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 460px;
  margin: 0 auto 16px;
}
.copyright { font-size: 12px; color: #4a566f; }

@media (max-width: 480px) {
  .wrap { padding: 36px 20px; }
  .brand { margin-bottom: 40px; }
}