/* ==========================================================================
   ListenClimate / The 4S Lab — site theme
   Palette: deep teal + sky blue + warm amber accent (climate / earth tones)
   ========================================================================== */

:root {
  --lc-teal-900: #06272b;
  --lc-teal-800: #0b3d3f;
  --lc-teal-700: #0f5257;
  --lc-teal-600: #146c72;
  --lc-blue-500: #1c8fa8;
  --lc-sky-400: #3fb6c9;
  --lc-amber-400: #f5a524;
  --lc-amber-500: #e08e0b;
  --lc-ink-900: #10201f;
  --lc-ink-700: #33504f;
  --lc-bg: #f6faf9;
  --lc-card-border: #e2eeec;
  --lc-radius: 0.9rem;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--lc-ink-900);
  background: var(--lc-bg);
}

h1, h2, h3, h4, .display-heading, .navbar-brand .brand-text {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}

a { color: var(--lc-teal-700); text-decoration: none; }
a:hover { color: var(--lc-blue-500); }

/* ---------- Navbar ---------- */
.lc-navbar {
  background: linear-gradient(90deg, var(--lc-teal-900), var(--lc-teal-800));
  box-shadow: 0 2px 14px rgba(6, 39, 43, 0.25);
}
.lc-navbar .navbar-brand { line-height: 1.1; }
.lc-navbar .brand-sub { font-size: 0.65rem; letter-spacing: .06em; text-transform: uppercase; color: var(--lc-amber-400); font-weight: 600; }
.lc-navbar .nav-link { color: rgba(255,255,255,.85); font-weight: 500; }
.lc-navbar .nav-link:hover, .lc-navbar .nav-link:focus { color: #fff; }
.lc-navbar .dropdown-menu { border: none; box-shadow: 0 10px 30px rgba(0,0,0,.15); border-radius: .75rem; overflow: hidden; }
.cart-badge { position: absolute; top: -2px; right: -10px; font-size: .6rem; }

/* ---------- Brand logo ---------- */
.brand-logo { height: 40px; width: auto; display: block; }
.brand-logo-footer { height: 22px; width: auto; }
@media (max-width: 991.98px) {
  .brand-logo { height: 34px; }
}

/* ---------- Hero ---------- */
.lc-hero {
  background: radial-gradient(1200px 500px at 80% -10%, rgba(63,182,201,.35), transparent),
              linear-gradient(135deg, var(--lc-teal-900) 0%, var(--lc-teal-700) 55%, var(--lc-blue-500) 130%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.lc-hero .eyebrow {
  text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; font-weight: 700;
  color: var(--lc-amber-400);
}
.lc-hero h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
.lc-hero .lead { color: rgba(255,255,255,.85); font-size: 1.15rem; }

/* ---------- Buttons ---------- */
.btn-lc-primary {
  background: var(--lc-amber-400); border-color: var(--lc-amber-400); color: var(--lc-teal-900); font-weight: 600;
}
.btn-lc-primary:hover { background: var(--lc-amber-500); border-color: var(--lc-amber-500); color: var(--lc-teal-900); }
.btn-lc-outline {
  border: 1.5px solid rgba(255,255,255,.6); color: #fff; font-weight: 600;
}
.btn-lc-outline:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn-teal { background: var(--lc-teal-700); border-color: var(--lc-teal-700); color: #fff; font-weight: 600; }
.btn-teal:hover { background: var(--lc-teal-800); border-color: var(--lc-teal-800); color: #fff; }

/* ---------- Cards ---------- */
.lc-card {
  border: 1px solid var(--lc-card-border);
  border-radius: var(--lc-radius);
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease;
  height: 100%;
}
.lc-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px rgba(15, 82, 87, .12); }
.lc-card .card-img-top { border-radius: var(--lc-radius) var(--lc-radius) 0 0; aspect-ratio: 16/10; object-fit: cover; background: linear-gradient(135deg, var(--lc-teal-700), var(--lc-sky-400)); }
.badge-status-live { background: #17864a; }
.badge-status-beta { background: var(--lc-amber-500); }
.badge-status-research { background: var(--lc-teal-600); }

.section-title { font-weight: 700; color: var(--lc-teal-900); }
.section-sub { color: var(--lc-ink-700); }
.section-pad { padding-top: 4.5rem; padding-bottom: 4.5rem; }
.bg-lc-soft { background: #eef7f6; }
.icon-tile {
  width: 3rem; height: 3rem; border-radius: .75rem;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--lc-teal-700), var(--lc-blue-500));
  color: #fff; font-size: 1.3rem;
}

/* ---------- Footer ---------- */
.lc-footer { background: var(--lc-teal-900); }
.footer-muted { color: rgba(255,255,255,.6); }
.footer-links a { color: rgba(255,255,255,.7); display: inline-block; padding: .2rem 0; }
.footer-links a:hover { color: var(--lc-amber-400); }
.footer-social {
  width: 2.1rem; height: 2.1rem; border-radius: 50%; background: rgba(255,255,255,.08);
  display: inline-flex; align-items: center; justify-content: center; color: #fff;
}
.footer-social:hover { background: var(--lc-amber-400); color: var(--lc-teal-900); }

/* ---------- Misc ---------- */
.alert-stack { margin-top: 1rem; }
.risk-map { height: 70vh; min-height: 420px; border-radius: var(--lc-radius); overflow: hidden; border: 1px solid var(--lc-card-border); }
.price-tag { font-family: 'Space Grotesk', sans-serif; font-weight: 700; color: var(--lc-teal-800); }
.video-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; border-radius: var(--lc-radius) var(--lc-radius) 0 0; background: #000; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.video-thumb .play-btn {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem; color: #fff; text-shadow: 0 2px 12px rgba(0,0,0,.5);
}
.timeline-check { color: var(--lc-teal-700); }
.spec-table th { width: 45%; color: var(--lc-ink-700); font-weight: 600; background: var(--lc-bg); }