:root {
  --bg: #0b0d12;
  --bg-card: #141822;
  --text: #ece7e0;
  --text-dim: #9b9fac;
  --border: #262b38;
  --cyan: #5fd4e8;
  --blue: #2f6fb0;
  --gold: #f0c350;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.9em;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}
.brand:hover { text-decoration: none; }
.brand-mark { height: 32px; width: 32px; }
.brand-word { font-weight: 700; font-size: 18px; color: var(--text); letter-spacing: -0.02em; }
.site-nav { display: flex; gap: 20px; }
.site-nav a { color: var(--text-dim); font-size: 14px; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

/* hero */
.hero {
  text-align: center;
  padding: 72px 24px 56px;
}
.hero-logo {
  width: 140px;
  height: 140px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 40px rgba(95, 212, 232, 0.25));
}
.hero h1 {
  font-size: 48px;
  margin: 0 0 12px;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-tag {
  font-size: 19px;
  color: var(--text-dim);
  margin: 0 0 24px;
}
.hero-status {
  max-width: 560px;
  margin: 0 auto;
  font-size: 14px;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
}
.br-mobile { display: none; }

/* sections */
.section { padding: 48px 24px; border-top: 1px solid var(--border); }
.section h2 {
  font-size: 26px;
  margin: 0 0 24px;
  letter-spacing: -0.02em;
}
.prose { max-width: 680px; color: var(--text-dim); }
.prose p { margin: 0 0 16px; }
.prose strong { color: var(--text); }

/* specs */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.spec {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.spec-label { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.spec-value { font-size: 15px; font-weight: 600; }
.specs-note { font-size: 13px; color: var(--text-dim); max-width: 680px; }

/* roadmap */
.roadmap { list-style: none; margin: 0; padding: 0; max-width: 680px; }
.roadmap li {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.roadmap li:last-child { border-bottom: none; }
.roadmap h3 { margin: 0 0 4px; font-size: 16px; }
.roadmap p { margin: 0; font-size: 14px; color: var(--text-dim); }
.rm-num {
  flex: 0 0 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--border);
}
.roadmap li.done .rm-num { background: rgba(95, 212, 232, 0.12); border-color: var(--cyan); color: var(--cyan); }
.roadmap li.active .rm-num { background: rgba(240, 195, 80, 0.12); border-color: var(--gold); color: var(--gold); }
.roadmap li.upcoming .rm-num { color: var(--text-dim); }
.roadmap li.upcoming h3, .roadmap li.upcoming p { color: var(--text-dim); }

/* footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 24px; }
.site-footer p { margin: 0; font-size: 13px; color: var(--text-dim); text-align: center; }

@media (max-width: 640px) {
  .site-nav { display: none; }
  .hero h1 { font-size: 36px; }
  .hero-logo { width: 108px; height: 108px; }
  .br-mobile { display: inline; }
}