/* Mnemosyne site — mnemosyne.adeno.ltd */
:root {
  --bg: #0b0e14;
  --bg-alt: #10141d;
  --card: #141926;
  --border: #232b3d;
  --text: #e6eaf2;
  --muted: #8b93a7;
  --accent: #6ee7b7;
  --accent-2: #7dd3fc;
  --amber: #fbbf24;
  --rose: #fb7185;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  font-family: var(--mono);
  background: #1a2030;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.center { text-align: center; }
.tag {
  display: inline-block;
  padding: 0.05em 0.5em;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: #1e2a3a;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.tag.prod { background: #2a2233; color: var(--accent); }
.tag.dev { background: #1e2a3a; color: var(--accent-2); }

/* ── topbar ── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { display: flex; align-items: center; gap: 1.5rem; padding: 0.8rem 1.25rem; }
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 800; font-size: 1.1rem; color: var(--text); }
.brand-glyph {
  width: 2rem; height: 2rem; display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06121c; border-radius: 8px; font-weight: 800;
}
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 1.1rem; margin-left: auto; }
.nav a { color: var(--muted); font-size: 0.92rem; }
.nav a:hover { color: var(--text); text-decoration: none; }
.auth { display: flex; gap: 0.5rem; }

/* ── buttons ── */
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
}
.btn:hover { text-decoration: none; filter: brightness(1.1); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06121c; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline { background: transparent; border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }
.btn-small { padding: 0.3rem 0.7rem; font-size: 0.8rem; }
.btn:disabled { opacity: 0.5; cursor: wait; }

/* ── hero ── */
.hero { padding: 4rem 0 3rem; background:
  radial-gradient(60rem 30rem at 80% -10%, rgba(110, 231, 183, 0.08), transparent),
  radial-gradient(40rem 24rem at 10% 10%, rgba(125, 211, 252, 0.06), transparent); }
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 3rem; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.8rem; margin-bottom: 0.6rem; }
.hero h1 { font-size: 2.7rem; line-height: 1.15; margin: 0 0 1rem; font-weight: 800; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { font-size: 1.08rem; color: var(--muted); max-width: 34rem; }
.hero-actions { display: flex; gap: 0.75rem; margin: 1.5rem 0 2rem; flex-wrap: wrap; }
.hero-metrics { display: flex; gap: 2rem; }
.metric-num { display: block; font-size: 1.6rem; font-weight: 800; color: var(--text); }
.metric-label { color: var(--muted); font-size: 0.82rem; }

/* ── arch visual ── */
.arch-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.1rem; display: flex; flex-direction: column; gap: 0.5rem;
  font-family: var(--mono); font-size: 0.82rem; position: relative;
}
.arch-node {
  background: #1a2130; border: 1px solid var(--border); border-radius: 8px;
  padding: 0.5rem 0.8rem;
}
.arch-node span { color: var(--accent-2); }
.arch-node.novel { border-color: var(--amber); color: var(--amber); }
.arch-core { text-align: center; color: var(--text); }
.arch-core small { color: var(--muted); }
.arch-funnel { text-align: center; color: var(--muted); }
.arch-out { text-align: center; color: var(--accent); font-weight: 700; }
.arch-badge {
  position: absolute; top: -0.6rem; right: 1rem;
  background: #2a2233; color: var(--accent); border: 1px solid #3a2f45;
  border-radius: 999px; padding: 0.15rem 0.7rem; font-size: 0.72rem;
}

/* ── sections / steps / plans ── */
.section { padding: 3.5rem 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-title { font-size: 1.6rem; margin: 0 0 1.8rem; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.25rem; }
.step { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.2rem; }
.step-num { color: var(--accent); font-weight: 800; font-size: 0.85rem; }
.step h3 { margin: 0.4rem 0 0.5rem; }
.step p { color: var(--muted); font-size: 0.9rem; margin: 0; }
.terminal {
  background: #0a0e16; border: 1px solid var(--border); border-radius: 12px;
  padding: 1.1rem 1.3rem; overflow-x: auto; font-family: var(--mono);
  font-size: 0.85rem; line-height: 1.7; color: #b9e6d0;
}
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.plan { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 1.6rem; display: flex; flex-direction: column; gap: 0.7rem; position: relative; }
.plan-featured { border-color: var(--accent); }
.plan-tag {
  position: absolute; top: -0.6rem; right: 1rem; background: var(--accent); color: #06121c;
  border-radius: 999px; padding: 0.15rem 0.7rem; font-size: 0.72rem; font-weight: 800;
}
.plan-name { font-weight: 700; font-size: 1.05rem; }
.plan-price { font-size: 2rem; font-weight: 800; }
.plan-price span { font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.plan-feats { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.9rem; }
.plan-feats li { margin: 0.3rem 0; }

/* ── dashboard ── */
.dash-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.dash-head h1 { margin: 0; }
.dash-actions { display: flex; gap: 0.6rem; }
.dash-plans { margin-top: 1.5rem; }
.seats-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.seats-table th, .seats-table td { padding: 0.7rem 0.9rem; text-align: left; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.seats-table th { background: var(--bg-alt); color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.seats-table tr:last-child td { border-bottom: none; }

/* ── modal / forms ── */
.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.6);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 1.6rem; max-width: 26rem; width: 100%; }
.modal-actions { display: flex; gap: 0.6rem; justify-content: flex-end; margin-top: 1rem; }
.form { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 1.2rem; }
.form label { font-size: 0.85rem; color: var(--muted); }
.form input {
  background: #0e1219; border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 0.6rem 0.8rem; font-size: 0.95rem;
}
.form input:focus { outline: none; border-color: var(--accent); }
.form-error { color: var(--rose); font-size: 0.85rem; margin-top: 0.4rem; }
.auth-section { padding: 4rem 0; }
.auth-card { max-width: 26rem; margin: 0 auto; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 1.8rem; }
.auth-card h1 { margin-top: 0; }

/* ── docs ── */
.docs h2 { margin-top: 2.4rem; }
.docs ul, .docs ol { color: var(--muted); }
.docs li { margin: 0.4rem 0; }

/* ── footer ── */
.footer { border-top: 1px solid var(--border); padding: 2.5rem 0; margin-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 1.5rem; }
.footer h4 { margin: 0 0 0.6rem; font-size: 0.9rem; }
.footer a { display: block; color: var(--muted); font-size: 0.88rem; margin: 0.3rem 0; }
.footer a:hover { color: var(--text); }

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .nav { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}