/* ===== YNVRSTY — apex page =====
   Tokens, type scale and the page backdrop are lifted from the CMF design
   system (cmf-landing/styles.css) so the two sites read as one brand. Copied
   rather than shared: that stylesheet is 41 KB and coupled to React
   components this page does not have. */

:root {
  --bg: #0A1628;
  --bg-deep: #060F1F;
  --surface: #0E1B36;
  --surface-2: #132544;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-gold: rgba(228, 169, 60, 0.35);
  --gold: #E4A93C;
  --gold-bright: #F5C45E;
  --text: #FFFFFF;
  --text-dim: #B6C2D9;
  --text-mute: rgba(182, 194, 217, 0.55);

  --font-display: "Space Grotesk", "Inter Tight", system-ui, sans-serif;
  --font-body: "Geist", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --container: 1080px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { overflow-wrap: break-word; }

/* Page backdrop: gridlines plus a gold/blue glow, same as the CMF site. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 90%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(228,169,60,0.07), transparent 70%),
    radial-gradient(700px 500px at 0% 30%, rgba(60,120,200,0.08), transparent 70%);
}
.nav, main, .footer { position: relative; z-index: 1; }

/* ===== Type ===== */
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}
.h-display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 0.95;
  margin: 0;
}
.h1 { font-size: clamp(48px, 9vw, 104px); letter-spacing: 0.02em; }
.h2 { font-size: clamp(30px, 4.4vw, 52px); }
.h3 { font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -0.01em; text-transform: none; }
.h4 { font-size: clamp(17px, 1.6vw, 20px); letter-spacing: 0; text-transform: none; font-weight: 600; }
.subhead {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gold);
  font-size: clamp(17px, 2.2vw, 26px);
  line-height: 1.2;
  margin: 0 0 22px;
}
.lede {
  color: var(--text-dim);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.7;
  max-width: 62ch;
  margin: 0;
}
.muted { color: var(--text-dim); margin: 0; }
.mono { font-family: var(--font-mono); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Layout ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}
.section { padding: clamp(56px, 8vw, 104px) 0; }
.divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(to right, transparent, var(--border-strong) 20%, var(--border-strong) 80%, transparent);
}

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10, 22, 40, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
  padding: 0 var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 30px; height: 30px; object-fit: contain; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 15px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.btn-gold {
  background: var(--gold);
  color: #1A0E00;
  border-color: var(--gold);
}
.btn-gold:hover {
  background: var(--gold-bright);
  border-color: var(--gold-bright);
  box-shadow: 0 8px 30px -8px rgba(228, 169, 60, 0.6);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-sm { padding: 10px 16px; font-size: 11px; }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn:disabled:hover { background: var(--gold); border-color: var(--gold); }

/* ===== Hero ===== */
.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 7vw, 96px); }
.hero-headline { margin: 20px 0 18px; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

/* ===== Pillars ===== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 28px;
}
.pillar {
  background: rgba(14, 27, 54, 0.7);
  padding: 30px 26px 34px;
  min-width: 0;
}
.pillar-num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 16px;
}
.pillar h2 { margin: 0 0 10px; }
.pillar p { font-size: 14px; line-height: 1.65; }

/* ===== Signup ===== */
.signup-card {
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(228,169,60,0.05), transparent 55%),
    rgba(14, 27, 54, 0.72);
  padding: clamp(28px, 4.5vw, 56px);
}
.signup-head { margin: 18px 0 18px; }
.signup-form {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  max-width: 560px;
  flex-wrap: wrap;
}
.signup-input {
  flex: 1 1 240px;
  min-width: 0;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  background: rgba(6, 15, 31, 0.7);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  transition: border-color 0.18s ease;
}
.signup-input::placeholder { color: var(--text-mute); }
.signup-input:focus {
  outline: none;
  border-color: var(--gold);
}
.signup-input:disabled { opacity: 0.5; cursor: not-allowed; }

.signup-msg {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  margin: 14px 0 0;
  min-height: 1.2em;
  color: var(--text-dim);
}
.signup-msg.is-ok { color: var(--gold-bright); }
.signup-msg.is-err { color: #E08A6A; }
.signup-msg:empty { margin-top: 0; }

.signup-fine {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-mute);
  margin: 18px 0 0;
  max-width: 52ch;
}

/* ===== School card ===== */
.school-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(26px, 3.5vw, 40px);
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(14, 27, 54, 0.6);
}
.school-body { min-width: 0; }
.school-head { margin: 16px 0 10px; }
.school-body p { font-size: 14px; line-height: 1.65; max-width: 56ch; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 12px; color: var(--text-mute); }
.footer-links { display: flex; gap: 22px; }
.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.18s ease;
}
.footer-links a:hover { color: var(--gold); }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .pillars { grid-template-columns: 1fr; }
  .school-card { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .nav-inner { height: 64px; }
  .brand-word { font-size: 13px; }
  .signup-form > .btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .btn-gold:hover { transform: none; }
}