/* UConnect Landing Styles - mobile-first */
:root {
  --bg: #0b0f14;
  --panel: #0f1520;
  --text: #e6eef8;
  --muted: #a1b1c6;
  --brand: #6ea8fe;
  --brand-strong: #3b82f6;
  --accent: #22d3ee;
  --success: #22c55e;
  --danger: #ef4444;
  --ring: rgba(62, 139, 255, 0.5);
  --shadow: rgba(0,0,0,0.2);
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { background: #050a12; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  position: relative;
  line-height: 1.6;
  background-color: #0c141f;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12,22,35,0.5) 0%, rgba(10,18,30,0.22) 38%, rgba(7,12,22,0.16) 64%, rgba(5,10,18,0.3) 100%),
    radial-gradient(65% 55% at 80% -10%, rgba(59,130,246,0.22), transparent 75%),
    radial-gradient(55% 60% at 14% 18%, rgba(34,211,238,0.2), transparent 78%),
    radial-gradient(60% 65% at 50% 112%, rgba(37,99,235,0.18), transparent 82%);
  pointer-events: none;
  z-index: -1;
  opacity: 0.95;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(5,10,18,0.18);
  pointer-events: none;
  z-index: -2;
}

img { display: block; max-width: 100%; height: auto; }
.container { width: min(1100px, 92%); margin: 0 auto; }
.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; }
.skip-to-content { position: absolute; left: -9999px; top: 0; background: var(--brand-strong); color: white; padding: 8px 12px; border-radius: 6px; }
.skip-to-content:focus { left: 12px; top: 12px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(120%) blur(8px); background: linear-gradient(to bottom, rgba(15,21,32,0.8), rgba(15,21,32,0.4)); border-bottom: 1px solid rgba(255,255,255,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 0.2px; }
.brand img { filter: drop-shadow(0 2px 6px rgba(34,211,238,0.25)); }

.nav { position: relative; }
.nav-toggle { background: transparent; color: var(--text); border: 1px solid rgba(255,255,255,0.12); border-radius: 8px; padding: 6px; display: inline-flex; }
.nav-menu { list-style: none; margin: 0; padding: 12px; display: none; position: absolute; top: calc(100% + 12px); right: 0; width: min(240px, 76vw); border-radius: 14px; background: rgba(15,21,32,0.92); backdrop-filter: saturate(140%) blur(12px); box-shadow: 0 20px 40px -18px rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.08); gap: 10px; }
.nav-menu a { color: var(--text); text-decoration: none; opacity: 0.9; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.4px; }
.nav-menu a:hover { opacity: 1; }
.nav-menu.is-open { display: grid; }

@media (min-width: 800px) {
  .nav-toggle { display: none; }
  .nav-menu { position: static; display: flex; gap: 22px; align-items: center; background: transparent; border: 0; padding: 0; box-shadow: none; width: auto; }
  .nav-menu.is-open { display: flex; }
  .nav-menu a { font-size: 0.95rem; letter-spacing: 0.2px; opacity: 0.85; }
}

/* Buttons */
.btn { display: inline-block; padding: 10px 16px; border-radius: 10px; text-decoration: none; color: var(--text); border: 1px solid rgba(255,255,255,0.14); background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)); box-shadow: 0 4px 18px -6px var(--shadow); transition: transform 0.12s ease, background 0.2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-small { padding: 8px 12px; border-radius: 8px; }
.btn-primary { background: linear-gradient(135deg, var(--brand-strong), var(--accent)); border-color: transparent; color: white; }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,0.18); }

/* Hero */
.hero { padding: 48px 0 24px; min-height: calc(100vh - 120px); display: flex; align-items: center; }
.hero > .container { width: min(1100px, 92%); }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 28px; align-items: center; }
.hero-copy h1 { margin: 0 0 10px; font-size: clamp(28px, 4vw, 44px); line-height: 1.1; }
.lead { color: var(--muted); font-size: 1.05rem; }
.cta { display: flex; gap: 12px; margin: 18px 0 8px; flex-wrap: wrap; }
.badges { list-style: none; padding: 0; margin: 10px 0 0; display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); }
.badges li { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); padding: 6px 10px; border-radius: 999px; font-size: 0.9rem; }
.hero-art { justify-self: center; }

@media (min-width: 900px) {
  .hero { padding: 72px 0 32px; min-height: calc(100vh - 140px); }
  .hero-grid { grid-template-columns: 1.2fr 1fr; gap: 36px; }
}

/* Sections */
section { padding: 40px 0; }
.section-lead { color: var(--muted); max-width: 65ch; }

/* Features grid */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 16px; }
.card { background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 18px; box-shadow: 0 12px 32px -18px var(--shadow), inset 0 1px 0 rgba(255,255,255,0.04); }
.card h3 { margin-top: 4px; margin-bottom: 8px; }

/* How steps */
.steps { list-style: none; display: grid; grid-template-columns: 1fr; gap: 12px; padding: 0; margin-top: 16px; }
.step-badge { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: linear-gradient(135deg, var(--brand-strong), var(--accent)); color: white; font-weight: 700; margin-right: 10px; }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Stats */
.stats { background: rgba(255,255,255,0.03); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.stat { background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 16px; text-align: center; }
.stat .num { display: block; font-size: 28px; font-weight: 800; letter-spacing: 0.3px; }
.stat .label { display: block; color: var(--muted); margin-bottom: 4px; }
.stat small { color: var(--muted); }

/* CTA */
.cta-inner { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: center; background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(34,211,238,0.12)); border: 1px solid rgba(255,255,255,0.12); padding: 20px; border-radius: calc(var(--radius) + 2px); box-shadow: 0 18px 48px -24px var(--shadow); }
.cta-form { display: grid; grid-template-columns: 1fr; gap: 10px; }
.cta-form input { padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.18); background: rgba(15,21,32,0.7); color: var(--text); outline: none; }
.cta-form input:focus { border-color: var(--brand-strong); box-shadow: 0 0 0 4px var(--ring); }
.form-hint { color: var(--muted); font-size: 0.9rem; margin: 0; }
@media (min-width: 700px) { .cta-inner { grid-template-columns: 1.2fr 1fr; } .cta-form { grid-template-columns: 1fr auto; align-items: center; } .form-hint { grid-column: 1 / -1; } }

/* Footer */
.site-footer { padding: 28px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: start; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-links a { color: var(--text); text-decoration: none; opacity: 0.85; }
.footer-links a:hover { opacity: 1; }
.legal { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; margin-top: 10px; color: var(--muted); }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); background: rgba(15,21,32,0.95); color: var(--text); border: 1px solid rgba(255,255,255,0.16); border-radius: 10px; padding: 10px 14px; box-shadow: 0 10px 30px -10px var(--shadow); }

/* Utilities */
.muted { color: var(--muted); }
.grid { display: grid; }

/* Light mode tweak */
@media (prefers-color-scheme: light) {
  :root { --bg: #f7fafc; --panel: #fff; --text: #0b1220; --muted: #44556e; --shadow: rgba(10, 24, 40, 0.15); }
  html { background: #f2f6fd; }
  body {
    background-color: #eef3fc;
  }
  .nav-menu { background: rgba(255,255,255,0.94); border: 1px solid rgba(10,24,40,0.08); box-shadow: 0 22px 46px -20px rgba(15,21,32,0.25); }
  body::before {
    background:
      linear-gradient(180deg, rgba(229,237,249,0.7) 0%, rgba(228,235,249,0.32) 40%, rgba(223,231,248,0.3) 68%, rgba(222,230,247,0.58) 100%),
      radial-gradient(65% 55% at 80% -10%, rgba(59,130,246,0.15), transparent 78%),
      radial-gradient(55% 60% at 14% 18%, rgba(34,211,238,0.16), transparent 80%),
      radial-gradient(60% 65% at 50% 112%, rgba(96,165,250,0.15), transparent 84%);
    opacity: 1;
  }
  body::after {
    background: rgba(224,231,247,0.6);
  }
  .card, .stat { border-color: rgba(10,24,40,0.08); }
}