/* Dark theme with green accents */
:root {
  --bg: #0b0f0e;
  --bg-elev: #111614;
  --text: #e7f2ee;
  --muted: #a8bbb3;
  --accent: #1ed760;
  --accent-2: #24a66a;
  --border: #1e2a26;
  --danger: #ff5252;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Roboto", system-ui, -apple-system, Segoe UI, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% -10%, #0f2019 0%, var(--bg) 45%),
              radial-gradient(900px 700px at 110% 0%, #0f2317 0%, var(--bg) 40%);
  background-attachment: fixed;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #7df2a8; }

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

.container { width: min(1200px, 92%); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: saturate(1.2) blur(6px);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 40px; }
.brand .title { font-weight: 800; letter-spacing: 0.3px; }

.cta-group { display: flex; gap: 10px; align-items: center; }
.btn {
  --btn-bg: var(--accent);
  --btn-bg-hover: #29e46c;
  --btn-text: #00190a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--btn-text);
  background: linear-gradient(180deg, var(--btn-bg) 0%, var(--accent-2) 120%);
  border: 1px solid #2e8e5e;
  box-shadow: 0 6px 18px rgba(36, 166, 106, 0.25);
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(36, 166, 106, 0.35); background: linear-gradient(180deg, var(--btn-bg-hover) 0%, var(--accent-2) 120%); }
.btn.ghost { --btn-bg: #14221c; --btn-text: var(--text); background: linear-gradient(180deg, #14221c 0%, #0f1a15 120%); border: 1px solid #214436; box-shadow: 0 6px 18px rgba(0,0,0,.3); }
.btn.ghost:hover { background: linear-gradient(180deg, #1a2c22 0%, #11231b 120%); }

.header-links { display: flex; gap: 18px; padding: 10px 0 16px; flex-wrap: wrap; }
.header-links a { color: var(--muted); padding: 6px 10px; border-radius: 8px; border: 1px solid transparent; }
.header-links a:hover { color: var(--text); border-color: var(--border); background: #0e1612; }

/* Burger */
.burger { display: none; width: 44px; height: 44px; position: relative; border: 1px solid var(--border); border-radius: 10px; background: #0e1713; cursor: pointer; }
.burger span, .burger::before, .burger::after { content: ""; position: absolute; left: 10px; right: 10px; height: 2px; background: var(--text); transition: transform .25s ease, opacity .2s ease, top .25s ease, bottom .25s ease; }
.burger span { top: 50%; transform: translateY(-50%); }
.burger::before { top: 13px; }
.burger::after { bottom: 13px; }

.overlay {
  position: fixed;
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(6, 10, 8, 0.9);
  backdrop-filter: blur(6px) saturate(1.2);
  display: none;
  z-index: 1500;
}
.overlay.open { display: block; }
.overlay-inner { position: absolute; inset: 0; display: grid; grid-template-rows: auto 1fr auto; }
.overlay-header { display: flex; align-items: center; justify-content: space-between; padding: 18px; border-bottom: 1px solid var(--border); }
.overlay-close { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--border); background: #101914; color: var(--text); font-size: 22px; cursor: pointer; }
.overlay-nav { padding: 24px; display: grid; gap: 14px; align-content: start; }
.overlay-nav a { font-size: 20px; color: var(--text); padding: 12px 14px; border: 1px solid #1a2b23; border-radius: 12px; background: #0e1612; }
.overlay-nav a:hover { background: #14231b; }

/* Sections */
main { padding: 24px 0 60px; }
section { padding: 28px 0; border-bottom: 1px solid var(--border); }
section:last-child { border-bottom: none; }

h1 { font-size: clamp(26px, 4vw, 40px); line-height: 1.2; margin: 10px 0 16px; }
h2 { font-size: clamp(18px, 2.6vw, 24px); margin: 0 0 14px; color: #cfe9dd; }
h3 { font-size: clamp(15px, 2.2vw, 18px); margin: 18px 0 10px; color: #b5d3c5; }

.hero { display: grid; gap: 18px; grid-template-columns: 1.2fr .8fr; align-items: center; }
.hero .actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero .art { justify-self: end; max-width: 560px; border-radius: 14px; overflow: hidden; border: 1px solid #1a2a23; box-shadow: 0 12px 40px rgba(0,0,0,.35); }
.hero .art img { aspect-ratio: 16/9; object-fit: cover; }

.cards { display: grid; gap: 14px; grid-template-columns: repeat(3, minmax(0,1fr)); margin-bottom: 20px; }
.card { background: linear-gradient(180deg, #0e1713, #0c1411); border: 1px solid #1a2a23; border-radius: 12px; padding: 14px; }
.card h3 { margin-top: 6px; }

table { width: 100%; border-collapse: collapse; background: #0e1612; border: 1px solid #1a2a23; border-radius: 12px; overflow: hidden; }
th, td { border-bottom: 1px solid #1a2a23; padding: 10px 12px; text-align: left; }
thead th { background: #122018; color: #d7efe4; }
tbody tr:hover { background: #0f1a15; }

.note { color: var(--muted); font-size: 14px; }

.grid-2 { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { display: grid; gap: 14px; grid-template-columns: repeat(3, minmax(0,1fr)); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 24px 0 36px; color: var(--muted); }
details {
  cursor: pointer;
}
.footer-brand img {
  height: 20px;
}
/* Responsive */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero .art { justify-self: stretch; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3, .cards { grid-template-columns: 1fr; }
  .header-links { display: none; }
  .burger { display: inline-block; }
}
@media (max-width: 768px) {
  .brand img {
    height: 20px;
  }
  .btn {
    padding: 10px;
  }
}