/* Nav + Footer chrome */

/* ===== NAV ===== */
.nav-wrap {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,248,250,.82);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 8px;
  font: 600 18px/1 var(--font); letter-spacing: -0.02em;
  color: var(--ink);
}
.nav-logo .mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--ink);
  display: grid; place-items: center;
  color: #fff;
  font-weight: 700; font-size: 14px;
  position: relative; overflow: hidden;
}
.nav-logo .mark::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent) 0%, transparent 60%);
  opacity: .9;
}
.nav-logo .mark span { position: relative; z-index: 1; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px;
  font: 500 14px/1 var(--font);
  color: var(--ink-2); border-radius: 999px;
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer;
  transition: background .15s, color .15s;
  position: relative;
}
.nav-link:hover { background: rgba(6,11,19,.04); color: var(--ink); }
.nav-link.is-active { color: var(--accent); }
.nav-link .caret { width: 10px; height: 10px; opacity: .6; }

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

/* Mega menu */
.mega-wrap { position: relative; }
.mega {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  width: 680px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: 20px;
  display: none;
  opacity: 0;
  transition: opacity .15s;
  z-index: 60;
}
/* Invisible bridge between button and menu so hover doesn't break across the 8px gap */
.mega::before {
  content: ''; position: absolute; left: 0; right: 0;
  top: -12px; height: 12px;
}
.mega-wrap:hover .mega,
.mega-wrap.is-open .mega,
.mega-wrap:focus-within .mega { display: grid; opacity: 1; }
.mega { grid-template-columns: 1fr 1fr; gap: 6px; }
.mega-item {
  display: grid; grid-template-columns: 36px 1fr; gap: 12px;
  padding: 12px; border-radius: 12px; align-items: flex-start;
  color: var(--ink);
}
.mega-item:hover { background: var(--bg); }
.mega-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--accent-tint); color: var(--accent);
  display: grid; place-items: center;
}
.mega-label { display: block; font: 500 14px/1.3 var(--font); color: var(--ink); }
.mega-desc { display: block; font: 400 13px/1.4 var(--font); color: var(--muted); margin-top: 2px; }
.mega-badge {
  display: inline-block; font-size: 10px; font-weight: 600;
  color: var(--coral);
  background: var(--coral-tint);
  padding: 2px 6px; border-radius: 4px; margin-left: 6px;
  letter-spacing: .04em;
}

/* Burger button */
.nav-burger {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  cursor: pointer;
  align-items: center; justify-content: center;
  color: var(--ink);
  transition: border-color .15s;
}
.nav-burger:hover { border-color: var(--ink); }
.nav-burger-bars {
  position: relative;
  width: 18px; height: 14px;
  display: block;
}
.nav-burger-bars span {
  position: absolute; left: 0; right: 0;
  height: 2px; background: currentColor; border-radius: 2px;
  transition: transform .22s ease, top .22s ease, opacity .15s ease;
}
.nav-burger-bars span:nth-child(1) { top: 0; }
.nav-burger-bars span:nth-child(2) { top: 6px; }
.nav-burger-bars span:nth-child(3) { top: 12px; }
.nav-burger.is-open .nav-burger-bars span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.nav-burger.is-open .nav-burger-bars span:nth-child(2) { opacity: 0; }
.nav-burger.is-open .nav-burger-bars span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

/* Mobile drawer */
.mobile-menu {
  position: fixed; inset: 0;
  z-index: 100;
  visibility: hidden;
  pointer-events: none;
}
.mobile-menu.is-open { visibility: visible; pointer-events: auto; }
.mobile-menu-backdrop {
  position: absolute; inset: 0;
  background: rgba(6,11,19,.5);
  opacity: 0;
  transition: opacity .25s ease;
}
.mobile-menu.is-open .mobile-menu-backdrop { opacity: 1; }
.mobile-menu-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(92vw, 400px);
  background: #fff;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.2,.9,.3,1);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.mobile-menu.is-open .mobile-menu-panel { transform: translateX(0); }
.mobile-menu-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
.mobile-menu-close {
  width: 40px; height: 40px;
  background: transparent; border: 1px solid var(--line);
  border-radius: 999px; cursor: pointer;
  display: grid; place-items: center;
  color: var(--ink);
}
.mobile-menu-close:hover { background: var(--bg); }
.mobile-menu-nav { flex: 1; padding: 20px 16px 8px; }
.mobile-section { padding: 8px; }
.mobile-section + .mobile-section { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 20px; }
.mobile-section-title {
  font: 600 11px/1 var(--font);
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
  padding: 0 8px 12px;
}
.mobile-feature-list { display: grid; gap: 2px; }
.mobile-feature-item {
  display: grid; grid-template-columns: 36px 1fr; gap: 12px;
  padding: 10px 8px; border-radius: 10px;
  color: var(--ink); align-items: flex-start;
}
.mobile-feature-item:active, .mobile-feature-item:hover { background: var(--bg); }
.mobile-feature-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--accent-tint); color: var(--accent);
  display: grid; place-items: center;
}
.mobile-feature-label { display: block; font: 500 14px/1.3 var(--font); color: var(--ink); }
.mobile-feature-desc { display: block; font: 400 12px/1.4 var(--font); color: var(--muted); margin-top: 2px; }
.mobile-section--links { display: grid; gap: 2px; }
.mobile-link {
  display: block; padding: 12px 8px;
  font: 500 15px/1.3 var(--font); color: var(--ink);
  border-radius: 8px;
}
.mobile-link:hover, .mobile-link:active { background: var(--bg); }
.mobile-menu-cta {
  padding: 16px 20px 24px;
  border-top: 1px solid var(--line);
  display: grid; gap: 10px;
}
.mobile-menu-cta .btn { width: 100%; }

/* Mobile breakpoint */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta > .btn { display: none; }
  .nav-burger { display: inline-flex; }
  .nav { padding: 0 16px; height: 64px; }
}
@media (max-width: 480px) {
  .nav { padding: 0 14px; }
  .nav-logo img { height: 28px !important; }
}

/* ===== FOOTER ===== */
.footer {
  background: #0A0F1A;
  color: rgba(255,255,255,.72);
  padding: 80px 0 32px;
}
.footer .container { max-width: 1200px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand .nav-logo img { /* already white */ }
.footer-tagline { margin-top: 16px; font-size: 14px; color: rgba(255,255,255,.56); max-width: 280px; }
.footer-col h4 {
  font: 500 13px/1 var(--font);
  text-transform: uppercase; letter-spacing: .08em;
  color: rgba(255,255,255,.48);
  margin-bottom: 18px;
}
.footer-col a {
  display: block; padding: 8px 0;
  font-size: 14px; color: rgba(255,255,255,.72);
  transition: color .15s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: 64px; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; gap: 16px;
  font-size: 13px; color: rgba(255,255,255,.48); flex-wrap: wrap;
}
@media (max-width: 900px) {
  .footer { padding: 64px 0 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-tagline { max-width: none; }
  .footer-bottom { margin-top: 40px; }
}
@media (max-width: 640px) {
  .footer { padding: 56px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-col a { padding: 6px 0; }
}