/* ===========================================================
   Campusboard — premium dark theme (navy #14396E · teal #14B8A6)
   =========================================================== */

:root {
  --bg: #06080e;
  --bg-2: #0a0d15;
  --panel: #0e121c;
  --panel-2: #131826;
  --ink: #eef1f5;
  --ink-soft: #9aa4b2;
  --muted: #697384;
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .16);
  --navy: #14396e;
  --brand: #14b8a6;
  --brand-2: #2dd4bf;
  --accent: #5eead4;
  --grad: linear-gradient(135deg, #14396E 0%, #14B8A6 58%, #2dd4bf 125%);
  --grad-soft: linear-gradient(135deg, rgba(20,184,166,.18), rgba(20,57,110,.16));
  --radius: 16px;
  --radius-sm: 11px;
  --maxw: 1140px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }
svg { display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

.grad-text {
  background: linear-gradient(120deg, #5eead4 0%, #14b8a6 55%, #2dd4bf 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 8, 14, .72);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 30px; width: auto; }
.footer-logo { height: 30px; }

.nav-links {
  display: flex; align-items: center; gap: 30px;
  list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 14.5px;
  transition: color .15s ease;
}
.nav-links a:not(.btn):hover { color: #fff; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 600; font-size: 14.5px;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, background .15s ease, box-shadow .2s ease, border-color .15s ease, opacity .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: #fff; color: #06131f; }
.btn-primary:hover { color: #06131f; box-shadow: 0 8px 30px rgba(255,255,255,.18); transform: translateY(-1px); }
.btn-grad {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 30px rgba(20,184,166,.4);
}
.btn-grad:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 12px 40px rgba(20,184,166,.55); }
.btn-ghost {
  background: rgba(255,255,255,.04); color: var(--ink); border-color: var(--line-strong);
}
.btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; }

.nav-toggle {
  display: none;
  background: none; border: 0;
  color: #fff; cursor: pointer;
  padding: 6px;
}
.nav-toggle svg { width: 24px; height: 24px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 90px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(620px 360px at 18% 0%, rgba(20,184,166,.28), transparent 70%),
    radial-gradient(560px 320px at 88% 12%, rgba(20,57,110,.55), transparent 72%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600;
  letter-spacing: .02em;
  color: #a7f3e8;
  background: var(--grad-soft);
  border: 1px solid rgba(20,184,166,.32);
  padding: 6px 13px 6px 9px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.hero h1 {
  font-size: clamp(38px, 5.4vw, 60px);
  line-height: 1.04;
  letter-spacing: -.035em;
  margin: 0 0 20px;
  font-weight: 800;
}
.hero p.lede {
  font-size: 19px;
  color: var(--ink-soft);
  margin: 0 0 30px;
  max-width: 530px;
}
.hero-cta { display: flex; gap: 13px; flex-wrap: wrap; }
.hero-meta {
  margin-top: 26px;
  display: flex; gap: 22px; flex-wrap: wrap;
  font-size: 13.5px; color: var(--muted);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta svg { width: 15px; height: 15px; color: var(--brand); }

/* Dashboard mock */
.mock {
  position: relative;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.05);
  overflow: hidden;
}
.mock::before {
  content: "";
  position: absolute; top: -1px; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(20,184,166,.8), transparent);
}
.mock-top {
  display: flex; align-items: center; gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}
.mock-top .dots { display: flex; gap: 6px; }
.mock-top .dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.14); display: block; }
.mock-top .crumb { margin-left: 8px; font-size: 12px; color: var(--muted); }
.mock-body { display: grid; grid-template-columns: 132px 1fr; min-height: 290px; }
.mock-side { border-right: 1px solid var(--line); padding: 14px 10px; display: flex; flex-direction: column; gap: 3px; }
.mock-nav { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 8px; font-size: 12.5px; color: var(--ink-soft); }
.mock-nav svg { width: 15px; height: 15px; }
.mock-nav.active { background: var(--grad-soft); color: #fff; }
.mock-main { padding: 16px; }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.kpi { background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: 11px; padding: 11px 12px; }
.kpi small { color: var(--muted); font-size: 10.5px; display: block; }
.kpi b { font-size: 18px; letter-spacing: -.02em; display: block; margin-top: 3px; }
.kpi .up { color: #34e0a1; font-size: 10.5px; }
.mock-chart { background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: 11px; padding: 14px; }
.mock-chart .ct { font-size: 11.5px; color: var(--muted); margin-bottom: 12px; }
.bars { display: flex; align-items: flex-end; gap: 9px; height: 86px; }
.bars i { flex: 1; border-radius: 5px 5px 0 0; background: var(--grad); opacity: .9; display: block; }

/* ---------- Sections ---------- */
section { position: relative; padding: 84px 0; }
.section-head { max-width: 660px; margin: 0 auto 52px; text-align: center; }
.kicker {
  font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand); margin: 0 0 14px;
}
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -.03em; margin: 0 0 14px; font-weight: 800;
}
.section-head p { font-size: 17.5px; color: var(--ink-soft); margin: 0; }

/* Stat band */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat { background: var(--bg); padding: 30px 24px; text-align: center; }
.stat b { display: block; font-size: 34px; letter-spacing: -.03em; }
.stat span { color: var(--muted); font-size: 14px; }

/* Module grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  position: relative;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--grad-soft);
  opacity: 0; transition: opacity .2s ease;
  pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 18px 50px rgba(0,0,0,.5); }
.card:hover::after { opacity: 1; }
.card > * { position: relative; }
.card .ic {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid rgba(20,184,166,.28);
  display: grid; place-items: center;
  margin-bottom: 18px;
  color: #7fe9dd;
}
.card .ic svg { width: 22px; height: 22px; }
.card h3 { margin: 0 0 8px; font-size: 17.5px; letter-spacing: -.01em; color: #fff; }
.card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }
.card .tag {
  display: inline-block; margin-top: 14px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .02em;
  color: #a7f3e8; background: rgba(20,184,166,.12);
  border: 1px solid rgba(20,184,166,.28);
  padding: 3px 9px; border-radius: 999px;
}

/* Apps */
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.app {
  display: flex; align-items: center; gap: 15px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: border-color .18s ease, transform .18s ease;
}
.app:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.app .ic {
  width: 48px; height: 48px; border-radius: 13px;
  background: var(--grad);
  display: grid; place-items: center; color: #fff; flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(20,184,166,.38);
}
.app .ic svg { width: 23px; height: 23px; }
.app small { display: block; color: var(--muted); font-size: 12.5px; }
.app b { font-size: 16.5px; color: #fff; }

/* CTA band */
.cta-band {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 60px 44px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 50% -40%, rgba(20,184,166,.4), transparent 70%),
    linear-gradient(180deg, var(--panel-2), var(--bg-2));
}
.cta-band h2 { font-size: clamp(28px, 3.6vw, 40px); margin: 0 0 14px; letter-spacing: -.03em; }
.cta-band p { font-size: 18px; color: var(--ink-soft); margin: 0 0 28px; }

/* ---------- Legal / prose pages ---------- */
.page-hero {
  position: relative;
  padding: 76px 0 50px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 280px at 30% -20%, rgba(20,184,166,.24), transparent 70%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 46px); margin: 0 0 12px; letter-spacing: -.03em; }
.page-hero p { color: var(--muted); margin: 0; font-size: 15px; }

.prose { max-width: 800px; margin: 0 auto; padding: 56px 24px; }
.prose h2 { font-size: 22px; margin: 40px 0 12px; letter-spacing: -.01em; color: #fff; }
.prose h3 { font-size: 17px; margin: 24px 0 8px; color: #fff; }
.prose p, .prose li { color: var(--ink-soft); font-size: 16px; }
.prose strong { color: #e4e7ec; }
.prose a { color: #5eead4; text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: #fff; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 7px; }
.prose .placeholder {
  background: rgba(94,234,212,.1);
  border: 1px dashed rgba(94,234,212,.5);
  color: #8ff5e2;
  padding: 1px 7px; border-radius: 6px;
  font-weight: 600; font-size: .92em;
}
.toc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 36px;
}
.toc strong { display: block; margin-bottom: 12px; font-size: 12.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--brand); }
.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 32px; }
.toc a { color: var(--ink-soft); text-decoration: none; }
.toc a:hover { color: #fff; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
}
.contact-card h3 { margin: 0 0 20px; color: #fff; }
.contact-item { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.contact-item .ic {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: var(--grad-soft); border: 1px solid rgba(20,184,166,.28);
  display: grid; place-items: center; color: #7fe9dd;
}
.contact-item .ic svg { width: 19px; height: 19px; }
.contact-item b { color: #fff; }
.contact-item small { color: var(--muted); display: block; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 7px; color: #d4d9e0; }
.field input, .field textarea, .field select {
  width: 100%; font-family: inherit; font-size: 15px; color: var(--ink);
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: rgba(255,255,255,.03);
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(20,184,166,.25);
}
.field select option { background: var(--panel); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 60px 0 30px;
  font-size: 15px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 32px;
  padding-bottom: 38px; border-bottom: 1px solid var(--line);
}
.footer-about { margin: 16px 0 0; color: var(--muted); max-width: 320px; font-size: 14.5px; }
.footer-col h4 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 11px; }
.footer-col a { color: var(--ink-soft); font-size: 14.5px; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; color: var(--muted); font-size: 13.5px; flex-wrap: wrap; gap: 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: 2; }
  .grid, .apps { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .toc ol { columns: 1; }
  .nav-links {
    position: absolute; top: 70px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    padding: 10px 24px 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 13px 0; }
  .nav-links .btn { margin-top: 10px; }
  .nav-toggle { display: block; }
}
@media (max-width: 540px) {
  .grid, .apps, .stats, .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 44px 24px; }
  .mock-body { grid-template-columns: 1fr; }
  .mock-side { display: none; }
}