/* ============================================================
   FIRST SELECT — Nav (shared across all pages)
   Sticky white bar, centered links, mega-menu support,
   mobile hamburger.
   ============================================================ */

nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* ── Logo ─────────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-icon {
  height: 34px;
  width: auto;
  object-fit: contain;
  display: block;
}
.nav-logo-text {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--navy);
}
.nav-logo-text span { color: var(--ocean); }

/* ── Links ────────────────────────────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-item { position: relative; }
.nav-item > a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
  text-decoration: none;
  white-space: nowrap;
  padding: 26px 0;
  transition: color 0.15s;
}
.nav-item > a:hover { color: var(--ocean); }
.nav-item > a.active { color: var(--ocean); }
.nav-item .caret { width: 0.85em; height: 0.85em; transition: transform 0.25s ease; }
.nav-item.has-menu:hover .caret { transform: rotate(180deg); color: var(--ocean); }

/* ── Mega-menu ────────────────────────────────────────────── */
.mega {
  position: absolute;
  top: calc(100% - 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 640px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  border-top: 3px solid var(--ocean);
  box-shadow: 0 24px 60px -12px rgba(10,22,40,0.18),
              0 8px 20px -8px rgba(10,22,40,0.12);
  padding: 1.75rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 2rem;
  z-index: 200;
}
.mega::before {
  content: '';
  position: absolute;
  top: -14px; left: 0; right: 0;
  height: 14px;
}
.nav-item.has-menu:hover .mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.mega-head {
  grid-column: 1 / -1;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-lt);
  margin-bottom: 0.25rem;
}
.mega-link {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 0.7rem;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.15s;
}
.mega-link:hover { background: var(--sol); }
.mega-link .m-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 9px;
  background: var(--purple-lt);
  color: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mega-link .m-icon svg { width: 1.15rem; height: 1.15rem; }
.mega-link h4 { font-size: 0.9rem; font-weight: 700; color: var(--navy); margin-bottom: 0.1rem; }
.mega-link p  { font-size: 0.78rem; color: var(--gray); line-height: 1.45; }
.mega-tile {
  grid-column: 1 / -1;
  margin-top: 0.5rem;
  background: var(--ocean);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.mega-tile:hover { background: var(--ocean-d); transform: translateY(-2px); }
.mega-tile .t-text h4 { font-size: 0.92rem; font-weight: 700; color: var(--white); margin-bottom: 0.15rem; }
.mega-tile .t-text p  { font-size: 0.78rem; color: rgba(255,255,255,0.85); }
.mega-tile .t-cta {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.2s;
}
.mega-tile .t-cta svg { width: 1em; height: 1em; }
.mega-tile:hover .t-cta { gap: 0.6rem; }

/* ── Right-side actions ───────────────────────────────────── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-shrink: 0;
}
.nav-login {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-login:hover { color: var(--ocean); }
.nav-join {
  background: var(--ocean);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.2s;
}
.nav-join:hover { background: var(--ocean-d); transform: translateY(-1px); }

/* ── Hamburger ────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1rem 4%;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-item { width: 100%; }
  .nav-item > a { padding: 0.85rem 0; width: 100%; }
  .mega {
    position: static;
    transform: none;
    width: 100%;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    border-top: 1px solid var(--border);
    border-radius: 0;
    padding: 0.5rem 0 0.5rem 1rem;
    grid-template-columns: 1fr;
    display: none;
  }
  .nav-item.has-menu.open-sub .mega { display: grid; }
  .mega-tile { display: none; }
}

/* ============================================================
   "Coming soon" popup (temporary — while app is not live)
   Remove this block when app.firstselect.com goes live.
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(10, 22, 40, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-backdrop.open { display: flex; }
.modal-box {
  position: relative;
  max-width: 420px;
  width: 100%;
  background: var(--white);
  border-radius: 18px;
  border-top: 4px solid var(--ocean);
  box-shadow: 0 30px 70px -20px rgba(10, 22, 40, 0.5);
  padding: 2.25rem 2rem 2rem;
  text-align: center;
  animation: modal-pop 0.2s ease;
}
@keyframes modal-pop {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
.modal-icon {
  width: 56px; height: 56px;
  margin: 0 auto 1rem;
  border-radius: 14px;
  background: var(--purple-lt);
  color: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-icon svg { width: 28px; height: 28px; }
.modal-box h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.modal-box p {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}
.modal-box .modal-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  background: var(--ocean);
  color: var(--white);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}
.modal-box .modal-cta:hover { background: var(--ocean-d); }
.modal-close {
  position: absolute;
  top: 0.9rem; right: 1rem;
  width: 32px; height: 32px;
  border: none;
  background: none;
  color: var(--gray-lt);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}
.modal-close:hover { background: var(--sol); color: var(--navy); }