/* ============================================================
   Cyberomics — omics resources hub
   Bespoke "cyber" stylesheet (no frameworks)
   ============================================================ */

:root {
  --bg:       #060810;
  --bg-soft:  #0a0e1c;
  --surface:  #0e1426;
  --surface-2:#131b32;
  --line:     rgba(124,142,255,.12);
  --ink:      #e7ecff;
  --ink-soft: #9aa6cc;
  --ink-mute: #5d6890;
  --neon:     #00e5ff;
  --magenta:  #ff2bd6;
  --violet:   #8b5cf6;
  --lime:     #b6ff3c;
  --grad: linear-gradient(110deg, var(--neon), var(--violet) 55%, var(--magenta));
  --grad-soft: linear-gradient(110deg, rgba(0,229,255,.14), rgba(255,43,214,.14));
  --radius: 16px;
  --maxw: 1120px;
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); line-height: 1.65;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
/* subtle grid backdrop */
body::before {
  content: ''; position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(124,142,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,142,255,.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 75%);
}
body::after {
  content: ''; position: fixed; top: -240px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 520px; z-index: -1; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,.16), transparent 60%);
  filter: blur(40px);
}

a { color: var(--neon); text-decoration: none; transition: color .2s; }
a:hover { color: var(--magenta); }
h1,h2,h3,h4 { line-height: 1.15; font-weight: 700; letter-spacing: -.02em; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }
.eyebrow { font-family: var(--mono); text-transform: uppercase; letter-spacing: .2em;
  font-size: .72rem; color: var(--neon); margin: 0 0 14px; }
.gradient-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px);
  background: rgba(6,8,16,.78); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--mono);
  font-weight: 700; font-size: 1.1rem; color: var(--ink); letter-spacing: -.01em; }
.brand:hover { color: var(--ink); }
.brand .mark { width: 32px; height: 32px; border-radius: 9px; background: var(--grad);
  display: grid; place-items: center; color: #04121a; font-weight: 800;
  box-shadow: 0 0 22px -4px rgba(0,229,255,.7); }
.nav-links { display: flex; gap: 4px; margin-left: auto; list-style: none; padding: 0; align-items: center; }
.nav-links a { color: var(--ink-soft); font-weight: 500; font-size: .9rem;
  padding: 8px 13px; border-radius: 9px; transition: all .2s; }
.nav-links a:hover { color: var(--ink); background: var(--surface); }
.nav-links a.active { color: var(--ink); background: var(--grad-soft); }
.nav-cta { background: var(--grad) !important; color: #04121a !important; font-weight: 600 !important;
  box-shadow: 0 0 18px -6px rgba(255,43,214,.7); }
.user-chip { font-family: var(--mono); font-size: .8rem; color: var(--ink-mute); margin-right: 4px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); font-size: 1.5rem; cursor: pointer; margin-left: auto; }

/* ---------- Hero ---------- */
.hero { padding: 100px 0 70px; text-align: center; position: relative; }
.hero .tagline { font-family: var(--mono); font-size: .82rem; color: var(--neon);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 16px; display: inline-block; margin-bottom: 26px; }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4.4rem); margin: 0 0 22px; }
.hero p { font-size: 1.2rem; color: var(--ink-soft); max-width: 56ch; margin: 0 auto 34px; }
.btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px;
  border-radius: 11px; font-weight: 600; font-size: .95rem; border: 1px solid transparent;
  cursor: pointer; transition: transform .15s, box-shadow .2s; font-family: inherit; }
.btn-primary { background: var(--grad); color: #04121a; box-shadow: 0 0 30px -8px rgba(0,229,255,.7); }
.btn-primary:hover { color: #04121a; transform: translateY(-2px); }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { color: var(--ink); border-color: var(--neon); transform: translateY(-2px); }

/* ---------- Section ---------- */
.section { padding: 80px 0; }
.section-head { max-width: 640px; margin: 0 auto 50px; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.5vw, 2.5rem); margin: 0 0 14px; }
.section-head p { color: var(--ink-soft); font-size: 1.05rem; margin: 0; }
.section.alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- Resource categories ---------- */
.cat { margin-bottom: 44px; }
.cat-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 22px;
  padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.cat-head h3 { font-size: 1.4rem; margin: 0; }
.cat-head .blurb { color: var(--ink-mute); font-size: .92rem; }
.res-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 18px; }
.res {
  display: block; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px; transition: transform .2s, border-color .2s, box-shadow .25s;
  position: relative; overflow: hidden;
}
.res::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad); opacity: 0; transition: opacity .25s; }
.res:hover { transform: translateY(-4px); border-color: rgba(0,229,255,.4);
  box-shadow: 0 18px 40px -22px rgba(0,229,255,.5); }
.res:hover::before { opacity: 1; }
.res h4 { font-size: 1.05rem; margin: 0 0 8px; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.res p { color: var(--ink-soft); font-size: .9rem; margin: 0 0 12px; }
.res .go { font-family: var(--mono); font-size: .8rem; color: var(--neon); }
.lock { font-size: .65rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: .12em;
  color: var(--magenta); border: 1px solid rgba(255,43,214,.4); padding: 2px 7px; border-radius: 999px; }

/* ---------- Locked teaser ---------- */
.locked-note { background: var(--grad-soft); border: 1px solid rgba(139,92,246,.3);
  border-radius: var(--radius); padding: 28px 30px; display: flex; align-items: center;
  gap: 20px; flex-wrap: wrap; justify-content: space-between; margin-top: 10px; }
.locked-note p { margin: 0; color: var(--ink-soft); }

/* ---------- Feature cards (home) ---------- */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 20px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.feature .fi { width: 44px; height: 44px; border-radius: 11px; background: var(--grad-soft);
  display: grid; place-items: center; margin-bottom: 16px; font-size: 1.3rem; }
.feature h3 { font-size: 1.12rem; margin: 0 0 8px; }
.feature p { color: var(--ink-soft); font-size: .94rem; margin: 0; }

/* ---------- Forms / login ---------- */
.auth-wrap { max-width: 440px; margin: 0 auto; }
.auth-card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  padding: 40px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); }
.auth-card h2 { margin: 0 0 6px; text-align: center; }
.auth-card .sub { text-align: center; color: var(--ink-mute); font-size: .9rem; margin: 0 0 28px; font-family: var(--mono); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: 8px;
  color: var(--ink-soft); font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.field input, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 11px; background: var(--bg-soft);
  border: 1px solid var(--line); color: var(--ink); font-family: inherit; font-size: 1rem;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(0,229,255,.15); }
.field textarea { resize: vertical; min-height: 130px; }
.alert { background: rgba(255,43,214,.1); border: 1px solid rgba(255,43,214,.4);
  color: #ffc7f1; border-radius: 11px; padding: 13px 16px; margin-bottom: 20px; font-size: .92rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.contact-info dt { font-family: var(--mono); font-size: .76rem; text-transform: uppercase;
  letter-spacing: .12em; color: var(--ink-mute); margin-top: 20px; }
.contact-info dd { margin: 4px 0 0; font-size: 1.05rem; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 46px 0 38px; background: var(--bg-soft); margin-top: 30px; }
.footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer .muted { color: var(--ink-mute); font-size: .86rem; font-family: var(--mono); }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(6,8,16,.98); padding: 16px 24px; border-bottom: 1px solid var(--line); display: none; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}