/* ===== Layout: shell, nav, sections, footer ===== */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; }

.section {
  padding: clamp(72px, 10vw, 130px) 0;
}

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(38px, 5vw, 64px);
  text-align: center;
}

.section-head p { font-size: 1.05rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 0.72rem/1 'Inter', sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ice-200);
  margin-bottom: 18px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(47, 139, 255, 0.08);
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ice-400);
  box-shadow: 0 0 12px var(--ice-400);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8, 11, 16, 0.78);
  backdrop-filter: var(--blur);
  border-bottom-color: var(--line);
}

.nav .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font: 700 1.16rem/1 'Sora', sans-serif;
  color: #fff;
  letter-spacing: -0.02em;
}

.brand:hover { color: #fff; }
.brand-mark { width: 32px; height: 32px; filter: drop-shadow(0 0 10px rgba(47, 139, 255, 0.6)); }
.brand span { color: var(--ice-400); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-links a {
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--text-soft);
  position: relative;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(140, 175, 220, 0.08);
}

.nav-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 15, 22, 0) 0%, rgba(11, 15, 22, 0.9) 100%);
  padding: 70px 0 34px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
}

.footer h4 {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col a { color: var(--text-soft); font-size: 0.94rem; }
.footer-blurb { max-width: 320px; font-size: 0.94rem; }

.footer-bottom {
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  color: var(--text-mute);
  font-size: 0.85rem;
}

.footer-disclaimer {
  margin-top: 18px;
  font-size: 0.78rem;
  color: var(--text-mute);
  max-width: 760px;
  line-height: 1.6;
}

@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: grid; place-items: center; order: 3; }
  .nav-links {
    position: absolute;
    top: var(--nav-h);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 14px;
    border-radius: var(--radius);
    background: rgba(10, 14, 20, 0.97);
    border: 1px solid var(--line-strong);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-actions .btn-ghost { display: none; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}