:root {
  --bg: #0b1021;
  --fg: #ffffff;
  --muted: #b9c3d1;
  --primary: #4f7cff;
  --border: #1e2640;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); font-family: -apple-system, BlinkMacSystemFont, Inter, Roboto, "Segoe UI", Helvetica, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji"; }
a { color: var(--fg); text-decoration: none; }
code { background: rgba(255,255,255,0.08); padding: 2px 6px; border-radius: 6px; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.site-header { position: sticky; top: 0; backdrop-filter: blur(6px); background: rgba(11,16,33,0.7); border-bottom: 1px solid var(--border); z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.brand { display: flex; align-items: center; }
.brand img { height: 64px; }
.brand { margin-right: 8px; }
.menu { display: flex; gap: 20px; align-items: center; }
.menu a { opacity: 0.9; }
.menu a.cta { color: var(--primary); font-weight: 600; }
.lang-toggle { background: transparent; color: var(--muted); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; cursor: pointer; }

.hero { border-bottom: 1px solid var(--border); }
.hero-inner { padding: 72px 0 56px; text-align: center; }
.hero h1 { font-size: 40px; line-height: 1.2; margin: 0 0 16px; }
.hero .subtitle { color: var(--muted); font-size: 18px; margin: 0 0 22px; }
.cta-group { display: inline-flex; gap: 12px; flex-wrap: wrap; }
.btn { border: 1px solid var(--border); color: var(--fg); border-radius: 10px; padding: 10px 14px; display: inline-block; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }

.section { padding: 56px 0; }
.section.alt { background: #0e142b; }
.section h2 { font-size: 26px; margin: 0 0 20px; }

.features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature { border: 1px solid var(--border); border-radius: 12px; padding: 16px; background: rgba(255,255,255,0.03); }
.feature h3 { margin: 0 0 10px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); }

.how-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.how-grid h3 { margin: 0 0 10px; font-size: 18px; }
.how-grid p { margin: 0 0 8px; color: var(--muted); }
.how-grid ul { margin: 8px 0 0; color: var(--muted); }

.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 16px; background: rgba(255,255,255,0.03); }
.card.muted { opacity: 0.7; }
.card h3 { margin: 0 0 10px; font-size: 18px; }
.card p.tip { margin-top: 10px; color: var(--muted); font-size: 14px; }

details { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; background: rgba(255,255,255,0.03); margin-bottom: 10px; }
details summary { cursor: pointer; font-weight: 600; }

.site-footer { border-top: 1px solid var(--border); }
.site-footer .container { padding: 24px 20px; color: var(--muted); font-size: 14px; }

@media (max-width: 860px) {
  .features-grid, .how-grid, .download-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}

/* Modules: Airdrops tables and tools */
.module { padding: 32px 0; border-top: 1px solid var(--border); }
.module.tight { padding: 16px 0; }
.module h2 { font-size: 20px; margin: 0 0 14px; }
.tabs-inner { display: flex; gap: 20px; align-items: center; justify-content: center; padding-top: 6px; flex-wrap: wrap; }
.tab { background: transparent; border: none; color: var(--muted); font-size: 16px; padding: 6px 12px; cursor: pointer; border-bottom: 2px solid transparent; border-radius: 8px; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.tab:hover { color: var(--fg); background: rgba(255,255,255,0.04); }
.tab.active { color: #f5c518; font-weight: 700; border-bottom-color: #f5c518; }
.sheet.hidden { display: none; }
.table { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: rgba(255,255,255,0.03); }
.thead, .row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 0; }
.thead { background: rgba(255,255,255,0.05); color: var(--muted); font-weight: 600; }
.cell { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.row:last-child .cell { border-bottom: none; }
.badge { display: inline-block; border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; font-size: 12px; color: var(--muted); }
.tools-card { border: 1px solid var(--border); border-radius: 12px; padding: 16px; background: rgba(255,255,255,0.03); }
.tools-card h3 { margin: 0 0 6px; font-size: 18px; }
.tools-card p { margin: 0 0 10px; color: var(--muted); }
.tools-card .btn { margin-top: 6px; }