/* ============ OBANO website - holographic dark theme ============ */

:root {
  --bg: #05070f;
  --bg-soft: #0a0f1e;
  --card: #0d1326;
  --text: #e6ecff;
  --text-dim: #8a93b5;
  --blue: #3b82f6;
  --blue-soft: rgba(59, 130, 246, 0.12);
  --red: #ef4444;
  --green: #4ade80;
  --border: rgba(139, 147, 181, 0.18);
  --mono: Consolas, "Courier New", monospace;
}

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

body {
  background: radial-gradient(ellipse at 50% -20%, #0b1226 0%, var(--bg) 60%);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-shadow: 0 0 8px rgba(59, 130, 246, 0.7); }

.container { width: min(980px, 92vw); margin: 0 auto; }

/* ============ Header ============ */

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(5, 7, 15, 0.85);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(6px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 5px;
  text-shadow: 0 0 12px rgba(59, 130, 246, 0.65);
}

.brand img { height: 34px; width: auto; }

.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: 13px; letter-spacing: 1.5px; font-weight: 600; }
.nav-links a:hover { color: var(--blue); }
.nav-links a.active { color: var(--blue); }
.nav-cta {
  border: 1px solid var(--blue);
  color: var(--blue);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 12.5px;
  letter-spacing: 1.5px;
}
.nav-cta:hover { background: var(--blue-soft); text-shadow: none; }

/* ============ Hero ============ */

.hero {
  text-align: center;
  padding: 84px 0 56px;
  border-bottom: 1px solid var(--border);
  box-shadow: inset 0 -24px 48px rgba(59, 130, 246, 0.05);
}

.hero-badge {
  display: inline-block;
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: 999px;
  padding: 5px 16px;
  font-size: 11px;
  letter-spacing: 3px;
  margin-bottom: 22px;
  font-family: var(--mono);
}

.hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 3px;
  text-shadow: 0 0 24px rgba(59, 130, 246, 0.5);
}

.hero h1 .accent { color: var(--blue); }

.hero .sub {
  color: var(--text-dim);
  font-size: 16px;
  margin: 18px auto 34px;
  max-width: 620px;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 26px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: all 0.2s ease;
}

.btn:hover { border-color: var(--blue); box-shadow: 0 0 16px rgba(59, 130, 246, 0.3); text-shadow: none; }

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border-color: #3b82f6;
  color: #fff;
  box-shadow: 0 0 18px rgba(59, 130, 246, 0.4);
}

/* ============ Terminal teaser ============ */

.term {
  max-width: 640px;
  margin: 48px auto 0;
  background: #02040a;
  border: 1px solid rgba(74, 222, 128, 0.25);
  border-radius: 12px;
  text-align: left;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(74, 222, 128, 0.08);
}

.term-head {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid rgba(74, 222, 128, 0.15);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--green);
}

.term-dots i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: rgba(74, 222, 128, 0.35); margin-left: 5px; }

.term-body { padding: 16px; font-family: var(--mono); font-size: 12.5px; line-height: 2; }

.t-mod { font-weight: 700; }
.t-sec { color: #22d3ee; }
.t-grn { color: var(--green); }
.t-dim { color: #64748b; }
.t-cursor { display: inline-block; width: 8px; height: 13px; background: var(--green); vertical-align: -2px; animation: blink 1s steps(2) infinite; margin-left: 4px; }
@keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

/* ============ Sections ============ */

.section { padding: 64px 0; border-bottom: 1px solid var(--border); }

.section-title {
  text-align: center;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 10px;
  font-family: var(--mono);
}

.section h2 {
  text-align: center;
  font-size: 28px;
  letter-spacing: 1.5px;
  margin-bottom: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 18px;
}

.fcard {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--blue);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.25s ease;
}

.fcard h3 { font-size: 15px; letter-spacing: 1.5px; margin-bottom: 10px; color: var(--text); }
.fcard h3 .key { color: var(--blue); font-family: var(--mono); font-weight: 400; margin-left: 6px; }
.fcard p { color: var(--text-dim); font-size: 13.5px; line-height: 1.7; }
.fcard .tag {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  color: var(--green);
  border: 1px solid rgba(74, 222, 128, 0.35);
  border-radius: 5px;
  padding: 3px 9px;
}

/* ============ Spec tables ============ */

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.spec-table th {
  text-align: left;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.spec-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}

.spec-table td:first-child { color: var(--text); font-family: var(--mono); font-weight: 600; }

.spec-table tr:hover td { background: rgba(59, 130, 246, 0.06); }

.cat { font-size: 10.5px; letter-spacing: 1.5px; border-radius: 5px; padding: 2px 8px; font-family: var(--mono); }
.cat-system { color: #fbbf24; border: 1px solid #fbbf24; }
.cat-vault { color: #22d3ee; border: 1px solid #22d3ee; }
.cat-gen { color: #e879f9; border: 1px solid #e879f9; }

.task { color: var(--text-dim); }

.task .bot { color: var(--blue); }

/* ============ Sidebar visual (features page) ============ */

.shell-visual {
  display: flex;
  border: 1px solid var(--blue);
  border-radius: 12px;
  box-shadow: inset 0 0 30px rgba(59, 130, 246, 0.1), 0 0 22px rgba(59, 130, 246, 0.25);
  background: var(--bg);
  overflow: hidden;
}

.sidebar-visual {
  width: 180px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: #070b16;
  border-right: 1px solid var(--border);
  padding: 14px 10px;
}

.side-logo { font-size: 13px; letter-spacing: 4px; font-weight: 700; padding: 4px 8px 16px; }

.side-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 12.5px;
  font-weight: 600;
  padding: 9px 10px;
  border-radius: 8px;
  border-left: 3px solid transparent;
  margin-bottom: 4px;
}

.side-item .kbd {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
}

.side-item.active {
  color: var(--blue);
  background: rgba(59, 130, 246, 0.14);
  border-left-color: var(--blue);
}

.side-led {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  padding: 12px 10px 4px;
  border-top: 1px solid var(--border);
}

.led-dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 9px var(--blue);
  animation: breathe 2.6s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { opacity: 0.65; } 50% { opacity: 1; } }

.led-text { font-size: 11px; letter-spacing: 2px; color: var(--text-dim); font-family: var(--mono); }

.vault-visual {
  flex: 1;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.search-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-dim);
  font-size: 12.5px;
}

.vrow {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: 8px;
  padding: 10px 14px;
}

.vrow .site { font-weight: 600; font-size: 13.5px; }
.vrow .user { color: var(--text-dim); font-size: 12px; }
.vrow .grow { flex: 1; }
.vrow .strength { font-size: 10px; letter-spacing: 1px; font-family: var(--mono); }
.st-strong { color: var(--green); border: 1px solid rgba(74, 222, 128, 0.4); border-radius: 4px; padding: 2px 8px; }
.st-max { color: var(--blue); border: 1px solid var(--blue); border-radius: 4px; padding: 2px 8px; }

.vfooter { color: var(--text-dim); font-size: 11.5px; letter-spacing: 1px; font-family: var(--mono); display: flex; gap: 18px; }

/* ============ Footer ============ */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--text-dim); font-size: 12.5px; letter-spacing: 1px; }

.footer-copy { color: var(--text-dim); font-size: 12.5px; letter-spacing: 1px; }

/* ============ Legal pages ============ */

.legal { max-width: 720px; margin: 0 auto; padding: 56px 0; }
.legal h1 { font-size: 26px; letter-spacing: 2px; margin-bottom: 8px; }
.legal .date { color: var(--text-dim); font-family: var(--mono); font-size: 12px; margin-bottom: 26px; }
.legal h2 { font-size: 16px; letter-spacing: 1px; margin: 24px 0 10px; color: var(--blue); }
.legal p, .legal li { color: var(--text-dim); font-size: 14px; line-height: 1.8; }
.legal ul { padding-left: 20px; margin: 8px 0; }

.breadcrumb { font-size: 12px; letter-spacing: 1px; color: var(--text-dim); padding: 18px 0; font-family: var(--mono); }
.breadcrumb a { color: var(--blue); }

.page-head { text-align: center; padding: 52px 0 28px; }
.page-head h1 { font-size: 30px; letter-spacing: 2px; }
.page-head p { color: var(--text-dim); margin-top: 12px; max-width: 560px; margin-left: auto; margin-right: auto; line-height: 1.7; }

.dl-box {
  background: var(--card);
  border: 1px solid var(--blue);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 0 22px rgba(59, 130, 246, 0.15);
  text-align: center;
}

.dl-box .ver { font-family: var(--mono); color: var(--text-dim); font-size: 12px; letter-spacing: 2px; margin-bottom: 14px; }

.dl-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }

.req { margin-top: 40px; }

@media (max-width: 700px) {
  .hero h1 { font-size: 30px; }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 11.5px; }
  .grid-2 { grid-template-columns: 1fr; }
  .sidebar-visual { display: none; }
}