/* =========================================================
   Meridian Weather — design tokens
   Palette: Night Isobar / Deep Slate / Barometer Gold /
            Frost Blue / Cloud White / Alert Coral
   Type: Space Grotesk (display) · Inter (body) · JetBrains Mono (data)
   ========================================================= */

:root {
  --night-isobar: #0e1b2b;
  --deep-slate: #16283d;
  --panel: #1c3149;
  --hairline: rgba(244, 247, 251, 0.10);
  --barometer-gold: #e8a33d;
  --frost-blue: #7fb3d5;
  --cloud-white: #f4f7fb;
  --cloud-white-dim: rgba(244, 247, 251, 0.68);
  --alert-coral: #e85d4a;
  --good-green: #5fbf8a;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--night-isobar);
  color: var(--cloud-white);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* ---------- focus visibility ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--barometer-gold);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(14, 27, 43, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: conic-gradient(from 220deg, var(--barometer-gold), var(--frost-blue), var(--barometer-gold));
  flex-shrink: 0;
}
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cloud-white-dim);
}
nav.primary-nav { display: flex; gap: 28px; }
nav.primary-nav a {
  font-size: 0.9rem;
  color: var(--cloud-white-dim);
  transition: color .15s ease;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
nav.primary-nav a:hover,
nav.primary-nav a.active {
  color: var(--cloud-white);
  border-bottom-color: var(--barometer-gold);
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline);
  color: var(--cloud-white);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 1rem;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 56px 0 64px;
  background:
    radial-gradient(ellipse at 20% -10%, rgba(232, 163, 61, 0.16), transparent 55%),
    radial-gradient(ellipse at 85% 10%, rgba(127, 179, 213, 0.16), transparent 50%),
    linear-gradient(180deg, var(--night-isobar), var(--deep-slate));
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(180deg, rgba(244,247,251,0.025) 0px, rgba(244,247,251,0.025) 1px, transparent 1px, transparent 42px);
  pointer-events: none;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--frost-blue);
  margin: 0 0 18px;
}

/* search */
.search-form {
  position: relative;
  max-width: 560px;
  margin: 0 0 40px;
}
.search-form input[type="text"] {
  width: 100%;
  padding: 15px 52px 15px 18px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: rgba(244, 247, 251, 0.06);
  color: var(--cloud-white);
  font-family: var(--font-body);
  font-size: 0.98rem;
}
.search-form input[type="text"]::placeholder { color: var(--cloud-white-dim); }
.search-form button {
  position: absolute;
  right: 6px; top: 6px; bottom: 6px;
  width: 40px;
  border-radius: 50%;
  border: none;
  background: var(--barometer-gold);
  color: var(--night-isobar);
  font-weight: 600;
  cursor: pointer;
}
.search-suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: var(--deep-slate);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: none;
  z-index: 30;
}
.search-suggestions.open { display: block; }
.search-suggestions a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--hairline);
}
.search-suggestions a:last-child { border-bottom: none; }
.search-suggestions a:hover { background: var(--panel); }

.current-conditions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 40px;
}
.temp-block { display: flex; align-items: flex-start; gap: 6px; }
.temp-huge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4.5rem, 12vw, 7.5rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
}
.temp-unit {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-top: 10px;
  color: var(--cloud-white-dim);
}
.condition-col { padding-bottom: 10px; }
.condition-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 0 4px;
}
.condition-meta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cloud-white-dim);
}
.location-line {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--frost-blue);
  margin-top: 4px;
}
.hi-lo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--cloud-white-dim);
  padding-bottom: 12px;
}
.hi-lo strong { color: var(--cloud-white); font-weight: 600; }

/* ---------- section shell ---------- */
.section { padding: 52px 0; border-bottom: 1px solid var(--hairline); }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}
.section-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0;
}
.section-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cloud-white-dim);
}

/* ---------- hourly departure board ---------- */
.board {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--deep-slate);
}
.board-cell {
  flex: 0 0 96px;
  padding: 18px 12px;
  text-align: center;
  border-right: 1px solid var(--hairline);
  font-family: var(--font-mono);
}
.board-cell:last-child { border-right: none; }
.board-time { font-size: 0.72rem; color: var(--cloud-white-dim); margin-bottom: 10px; }
.board-icon { font-size: 1.5rem; margin-bottom: 10px; }
.board-temp { font-size: 1rem; font-weight: 600; }
.board-pop { font-size: 0.68rem; color: var(--frost-blue); margin-top: 6px; }

/* ---------- 7-day list with range bars ---------- */
.daily-list { display: flex; flex-direction: column; border: 1px solid var(--hairline); border-radius: var(--radius-md); overflow: hidden; }
.daily-row {
  display: grid;
  grid-template-columns: 90px 32px 1fr 150px 60px;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline);
  background: var(--deep-slate);
}
.daily-row:last-child { border-bottom: none; }
.daily-day { font-family: var(--font-display); font-size: 0.95rem; }
.daily-icon { font-size: 1.3rem; text-align: center; }
.daily-cond { font-family: var(--font-mono); font-size: 0.78rem; color: var(--cloud-white-dim); }
.range-bar-track {
  position: relative;
  height: 6px;
  border-radius: 4px;
  background: rgba(244,247,251,0.08);
}
.range-bar-fill {
  position: absolute;
  top: 0; bottom: 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--frost-blue), var(--barometer-gold));
}
.daily-hilo { font-family: var(--font-mono); font-size: 0.85rem; text-align: right; white-space: nowrap; }
.daily-hilo .lo { color: var(--cloud-white-dim); }

/* ---------- instrument cluster ---------- */
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gauge-card {
  background: var(--deep-slate);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}
.gauge-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cloud-white-dim);
  margin-bottom: 12px;
}
.gauge-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
}
.gauge-sub { font-family: var(--font-mono); font-size: 0.72rem; color: var(--frost-blue); margin-top: 4px; }
.compass { position: relative; width: 88px; height: 88px; margin: 0 auto 12px; }

/* ---------- regional snapshot grid ---------- */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 12px;
}
.city-card {
  background: var(--deep-slate);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color .15s ease, transform .15s ease;
}
.city-card:hover { border-color: var(--barometer-gold); transform: translateY(-2px); }
.city-card .name { font-family: var(--font-display); font-size: 1rem; margin-bottom: 2px; }
.city-card .state { font-family: var(--font-mono); font-size: 0.68rem; color: var(--cloud-white-dim); text-transform: uppercase; letter-spacing: 0.08em; }
.city-card .temp { font-family: var(--font-display); font-size: 1.8rem; margin: 10px 0 2px; }
.city-card .cond { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cloud-white-dim); }

/* ---------- states directory ---------- */
.state-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.state-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--deep-slate);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.9rem;
}
.state-pill:hover { border-color: var(--frost-blue); }
.state-pill .abbr { font-family: var(--font-mono); font-size: 0.7rem; color: var(--cloud-white-dim); }

/* ---------- ad slots ---------- */
.ad-slot {
  border: 1px dashed var(--hairline);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cloud-white-dim);
  margin: 8px 0 40px;
}

/* ---------- article / static pages ---------- */
.prose { max-width: 760px; }
.prose h1 { font-family: var(--font-display); font-size: 2.1rem; margin-bottom: 10px; }
.prose h2 { font-family: var(--font-display); font-size: 1.3rem; margin-top: 36px; }
.prose p, .prose li { color: var(--cloud-white-dim); font-size: 0.98rem; }
.prose a { color: var(--frost-blue); text-decoration: underline; }
.page-header { padding: 48px 0 24px; border-bottom: 1px solid var(--hairline); }

/* ---------- footer ---------- */
footer.site-footer {
  background: var(--night-isobar);
  border-top: 1px solid var(--hairline);
  padding: 44px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 30px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cloud-white-dim);
  margin: 0 0 14px;
}
.footer-col a { display: block; font-size: 0.88rem; color: var(--cloud-white-dim); margin-bottom: 9px; }
.footer-col a:hover { color: var(--cloud-white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cloud-white-dim);
}

/* ---------- misc ---------- */
.badge-alert {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 93, 74, 0.14);
  border: 1px solid rgba(232, 93, 74, 0.4);
  color: var(--alert-coral);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 24px;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .cluster-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .daily-row { grid-template-columns: 70px 26px 1fr 90px 50px; gap: 10px; }
  .daily-cond { display: none; }
}
@media (max-width: 720px) {
  nav.primary-nav {
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--deep-slate);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    gap: 0;
    display: none;
  }
  nav.primary-nav.open { display: flex; }
  nav.primary-nav a { padding: 14px 24px; border-bottom: 1px solid var(--hairline); width: 100%; }
  .nav-toggle { display: block; }
  .current-conditions { gap: 20px; }
  .cluster-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}