/**
 * oceanheat.report — styles.css v1
 *
 * Design: Adapted from IsItHurricaneSeasonYet.com visual system.
 * Deep ocean + heat spectrum. Source Serif 4 + Inter.
 * Dark-mode native — high contrast, cinematic depth.
 */

/* ─── Tokens ─────────────────────────────────────────────────────────────── */

:root {
  --serif: 'Source Serif 4', Georgia, serif;
  --sans:  'Inter', system-ui, sans-serif;

  /* Palette — Deep Ocean */
  --bg:          #0c1e2e;
  --bg-2:        #112838;
  --bg-card:     #152f42;
  --bg-card-2:   #193a50;
  --ink:         #eef4fa;
  --ink-2:       #8aaec8;
  --ink-3:       #5d87a6;

  /* Brand — Heat spectrum */
  --accent:      #e85d3a;   /* ocean heat coral */
  --accent-dim:  rgba(232,93,58,0.12);
  --accent-2:    #4db8d8;   /* cool ocean blue */
  --accent-2-dim:rgba(77,184,216,0.13);

  /* Heat spectrum */
  --heat-cool:     #2980d8;
  --heat-normal:   #3dba78;
  --heat-warm:     #e8a838;
  --heat-hot:      #e85d3a;
  --heat-extreme:  #c62828;

  /* Rules */
  --rule:         rgba(255,255,255,0.07);
  --rule-strong:  rgba(255,255,255,0.13);

  /* Shadows */
  --shadow-card: 0 2px 16px rgba(0,0,0,0.35), 0 1px 4px rgba(0,0,0,0.2);
  --shadow-hover: 0 6px 28px rgba(0,0,0,0.45), 0 2px 8px rgba(0,0,0,0.25);

  --max-width: 1100px;
}

/* ─── Reset ──────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 2px; }
a:hover { opacity: 0.8; }
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--sans); }
.hidden { display: none !important; }

/* ─── Shell ──────────────────────────────────────────────────────────────── */

.shell { min-height: 100vh; display: flex; flex-direction: column; }

/* ─── Masthead ───────────────────────────────────────────────────────────── */

.masthead {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px;
  height: 58px;
  background: rgba(6,14,24,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 100;
}
.mast-brand {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 17px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.025em;
  white-space: nowrap;
  flex-shrink: 0;
}
.mast-brand:hover { opacity: 0.85; }
.mast-date {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-3);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mast-nav { display: flex; gap: 2px; flex-shrink: 0; }
.mast-btn {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.mast-btn:hover, .mast-btn[aria-current="page"] {
  background: var(--accent-dim);
  color: var(--accent);
  opacity: 1;
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 60px 28px 48px;
  overflow: hidden;
}
.hero-scene {
  position: absolute;
  inset: 0;
  background-color: var(--bg);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 220px;
  background: linear-gradient(to bottom, transparent 0%, var(--bg) 100%);
  z-index: 1;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin-bottom: 12px;
  min-height: 16px;
}
.hero-verdict {
  font-family: var(--serif);
  font-size: clamp(48px, 9vw, 88px);
  font-weight: 800;
  line-height: 0.95;
  color: var(--ink);
  letter-spacing: -0.035em;
  margin-bottom: 16px;
  text-shadow: 0 2px 40px rgba(0,0,0,0.4);
}
@keyframes verdictReveal {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-verdict.revealed {
  animation: verdictReveal 0.45s ease forwards;
}
.hero-sub {
  font-family: var(--serif);
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 400;
  color: var(--ink-2);
  line-height: 1.45;
  max-width: 640px;
  margin-bottom: 10px;
}
.hero-temp-highlight {
  color: var(--accent);
  font-weight: 700;
}
.hero-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  z-index: 3;
  transition: background 0.6s;
}
.hero-bar--cool    { background: var(--heat-cool); }
.hero-bar--normal  { background: var(--heat-normal); }
.hero-bar--warm    { background: var(--heat-warm); }
.hero-bar--hot     { background: var(--heat-hot); }
.hero-bar--extreme {
  background: var(--heat-extreme);
  animation: heatPulse 1.5s ease-in-out infinite;
}
@keyframes heatPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ─── Map container ─────────────────────────────────────────────────────── */

#hero-map {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* ─── Sections ───────────────────────────────────────────────────────────── */

.section {
  padding: 64px 28px;
  border-top: 1px solid var(--rule);
}
.section:nth-child(even) { background: var(--bg-2); }
.section-inner { max-width: var(--max-width); margin: 0 auto; width: 100%; }
.section-head { margin-bottom: 32px; }
.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(20px, 3.5vw, 26px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.section-num {
  font-size: 0.8em;
  color: var(--accent);
  font-style: italic;
  margin-right: 6px;
  font-weight: 600;
}
.section-sub {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  text-transform: uppercase;
  display: block;
  margin-top: 4px;
}

/* ─── Status card (below hero) ───────────────────────────────────────────── */

.status-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 14px;
  padding: 32px 36px 36px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.05),
    0 2px 6px rgba(0,0,0,0.55),
    0 10px 28px rgba(0,0,0,0.50),
    0 32px 72px rgba(0,0,0,0.38),
    0 0 80px rgba(0,10,30,0.30);
}
.status-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
}
.status-eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  color: var(--ink-2);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.status-headline {
  font-family: var(--serif);
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.status-sentence {
  font-family: var(--serif);
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 10px;
  max-width: 640px;
}
.status-context {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  max-width: 560px;
}

/* Right-side global stats */
.status-right {
  border-left: 1px solid rgba(255,255,255,0.09);
  padding-left: 36px;
  min-width: 220px;
}
.status-stat-eyebrow {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.status-stats {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.status-stat-num {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}
.status-stat-lbl {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.status-foot {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.5;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 14px;
  margin-top: 18px;
}
.status-foot strong { color: var(--ink-2); }

@media (max-width: 640px) {
  .status-layout { grid-template-columns: 1fr; gap: 24px; }
  .status-right { border-left: none; border-top: 1px solid rgba(255,255,255,0.09); padding-left: 0; padding-top: 20px; }
  .status-stats { flex-direction: row; gap: 20px; }
}

/* ─── Impact strip ──────────────────────────────────────────────────────── */
.impact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  overflow: hidden;
}
.impact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 20px;
  background: rgba(8, 22, 38, 0.6);
}
.impact-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}
.impact-item strong {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  display: block;
  margin-bottom: 3px;
}
.impact-desc {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-2);
  line-height: 1.5;
}
@media (max-width: 640px) {
  .impact-strip { grid-template-columns: 1fr; }
}

/* ─── Basin panels ───────────────────────────────────────────────────────── */

.basin-panels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
@media (max-width: 640px) {
  .basin-panels { grid-template-columns: repeat(2, 1fr); }
}
.basin-panel {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  height: 200px;
  border: 1px solid var(--rule-strong);
  box-shadow: var(--shadow-card);
  background: var(--bg-card);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.basin-spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 44%,
    transparent 35%,
    rgba(8,18,30,0.55) 100%);
  transition: background 0.6s ease;
}

/* Heat-state basin panel tints */
.basin-panel--warm { border-color: rgba(232,168,56,0.40); }
.basin-panel--warm .basin-spotlight {
  background: radial-gradient(ellipse at 50% 44%,
    rgba(232,168,56,0.20) 0%, transparent 60%, rgba(8,18,30,0.65) 100%);
}
.basin-panel--hot { border-color: rgba(232,93,58,0.50); }
.basin-panel--hot .basin-spotlight {
  background: radial-gradient(ellipse at 50% 44%,
    rgba(232,93,58,0.28) 0%, transparent 60%, rgba(8,18,30,0.65) 100%);
}
.basin-panel--extreme {
  border-color: rgba(198,40,40,0.60);
  box-shadow: var(--shadow-card), 0 0 24px rgba(198,40,40,0.25);
}
.basin-panel--extreme .basin-spotlight {
  background: radial-gradient(ellipse at 50% 44%,
    rgba(198,40,40,0.35) 0%, transparent 60%, rgba(8,18,30,0.65) 100%);
}

.basin-panel-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 7px 10px 8px;
  background: rgba(8,18,30,0.82);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ─── Basin detail cards ─────────────────────────────────────────────────── */

.basin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.basin-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: 10px;
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
}
.basin-heat-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
}
.basin-info { flex: 1; }
.basin-name {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 3px;
}
.basin-temp {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}
.basin-anomaly {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.basin-note { font-family: var(--sans); font-size: 12px; color: var(--ink-3); line-height: 1.45; }
.basin-summary {
  font-family: var(--serif);
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.55;
}

/* ─── Sparkline chart container ──────────────────────────────────────────── */

.spark-chart {
  min-height: 180px;
  background: rgba(8,18,30,0.45);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 18px 14px 10px;
}
.chart-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  border: 1px dashed var(--rule-strong);
  border-radius: 10px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-3);
}

/* ─── Driver cards ───────────────────────────────────────────────────────── */

.drivers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 860px;
  margin: 0 auto;
}
@media (max-width: 640px) {
  .drivers-grid { grid-template-columns: 1fr; }
}
/* ── Trends grid ───────────────────────────────────────────────────── */
.trends-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}
.trends-link {
  display: flex;
  flex-direction: column;
  background: rgba(8, 22, 38, 0.5);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 1rem;
  text-decoration: none;
  transition: all 0.25s;
  cursor: pointer;
  position: relative;
}
.trends-link:hover {
  border-color: var(--accent);
  background: rgba(232, 93, 58, 0.06);
  transform: translateY(-2px);
}
.trends-link:hover .trends-link-cta { color: var(--accent); }
.trends-link:hover .trends-link-cta::after { transform: translateX(3px); }
.trends-link-name {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.trends-link-stat {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 0.2rem;
}
.trends-link-label {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.4;
}
.trends-link-cta {
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  margin-top: 0.6rem;
  transition: color 0.2s;
}
.trends-link-cta::after {
  content: ' →';
  display: inline-block;
  transition: transform 0.2s;
}
.trends-note {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.3);
  text-align: center;
  line-height: 1.5;
}
@media (max-width: 768px) {
  .trends-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Driver cards ──────────────────────────────────────────────────── */
.driver-card {
  background: rgba(8, 22, 38, 0.76);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.10);
  border-top: 3px solid transparent;
  border-radius: 12px;
  padding: 22px 24px 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.45), 0 1px 4px rgba(0,0,0,0.3);
  transition: box-shadow 0.2s, transform 0.2s;
}
.driver-card:hover {
  box-shadow: 0 8px 36px rgba(0,0,0,0.55), 0 2px 8px rgba(0,0,0,0.35);
  transform: translateY(-2px);
}
.driver-card--hot     { border-top-color: var(--heat-hot); }
.driver-card--warm    { border-top-color: var(--heat-warm); }
.driver-card--cool    { border-top-color: var(--heat-cool); }
.driver-card--normal  { border-top-color: var(--heat-normal); }

.driver-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.driver-icon {
  width: 18px; height: 18px;
  flex-shrink: 0;
  color: var(--ink-3);
  display: flex; align-items: center;
}
.driver-icon svg { width: 18px; height: 18px; }
.driver-label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent-2);
}
.driver-value {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.driver-signal {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.driver-meter {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.driver-meter-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s ease;
}
.driver-meter-fill--hot  { background: linear-gradient(90deg, var(--heat-warm), var(--heat-hot)); }
.driver-meter-fill--warm { background: var(--heat-warm); }
.driver-meter-fill--cool { background: var(--heat-cool); }
.driver-meter-fill--normal { background: var(--heat-normal); }

.driver-badge {
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 4px;
  white-space: nowrap;
}
.driver-badge--hot  { background: rgba(232,93,58,0.14);  color: var(--heat-hot); }
.driver-badge--warm { background: rgba(232,168,56,0.14); color: var(--heat-warm); }
.driver-badge--cool { background: rgba(41,128,216,0.14); color: var(--heat-cool); }
.driver-badge--normal { background: rgba(61,186,120,0.12); color: var(--heat-normal); }

.driver-note {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.5;
}
.driver-guide-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-decoration: none;
  transition: color 0.15s;
}
.driver-guide-link span {
  font-size: 14px;
  display: inline-block;
  transition: transform 0.15s;
}
.driver-guide-link:hover { color: var(--accent-2); }
.driver-guide-link:hover span { transform: translateX(4px); }

/* ─── Guide cards ────────────────────────────────────────────────────────── */

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--rule-strong);
  border-radius: 12px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
}
.guide-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}
.guide-card-label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.guide-card-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.guide-card-desc {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.55;
  flex: 1;
}

/* ─── Share ───────────────────────────────────────────────────────────────── */

.share-footer { text-align: center; padding: 16px 0; }
.share-footer p {
  font-family: var(--serif); font-size: 20px; color: var(--ink-2); margin-bottom: 18px;
}
.share-btns { display: flex; gap: 10px; justify-content: center; }
.share-btn {
  display: inline-block; font-family: var(--sans); font-size: 13px; font-weight: 600;
  padding: 10px 20px; border-radius: 7px;
  border: 1px solid var(--rule-strong);
  background: var(--bg-card); color: var(--ink);
  cursor: pointer; text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.share-btn:hover { border-color: var(--accent); background: var(--accent-dim); color: var(--ink); opacity: 1; }

/* ─── Footer ─────────────────────────────────────────────────────────────── */

footer {
  margin-top: auto;
  padding: 44px 28px;
  border-top: 1px solid var(--rule-strong);
  background: rgba(6,14,24,0.8);
}
.ft-nav { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-bottom: 16px; }
.ft-nav a { font-family: var(--sans); font-size: 13px; color: var(--ink-2); text-decoration: none; }
.ft-nav a:hover { color: var(--accent); }
.ft-also { font-family: var(--sans); font-size: 13px; color: var(--ink-3); margin-bottom: 10px; }
.ft-also a { color: var(--ink-2); }
.ft-meta { font-family: var(--sans); font-size: 12px; color: var(--ink-3); line-height: 1.6; }

/* ─── Static pages (.page) ───────────────────────────────────────────────── */

.page { max-width: 720px; margin: 0 auto; padding: 64px 28px; flex: 1; }
.page-eyebrow {
  font-family: var(--sans); font-size: 11px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.page h1 {
  font-family: var(--serif); font-size: clamp(28px, 5vw, 44px);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.025em;
  color: var(--ink); margin-bottom: 20px;
}
.page-lede {
  font-family: var(--serif); font-size: 18px; color: var(--ink-2);
  line-height: 1.65; margin-bottom: 40px; padding-bottom: 40px;
  border-bottom: 1px solid var(--rule-strong);
}
.page h2 {
  font-family: var(--serif); font-size: 20px; font-weight: 700;
  color: var(--ink); margin-top: 36px; margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.page p { font-family: var(--serif); font-size: 16px; color: var(--ink-2); line-height: 1.75; margin-bottom: 16px; }
.page ul, .page ol { font-family: var(--serif); font-size: 16px; color: var(--ink-2); line-height: 1.75; padding-left: 24px; margin-bottom: 16px; }
.page li { margin-bottom: 6px; }
.page strong { color: var(--ink); }
.page a { color: var(--accent-2); }

/* ─── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .masthead { padding: 0 16px; }
  .mast-date { display: none; }
  .mast-btn { padding: 5px 8px; font-size: 12px; }
  .hero { padding: 36px 16px 36px; min-height: 340px; }
  .section { padding: 44px 16px; }
  .page { padding: 44px 16px; }
  .share-btns { flex-direction: column; align-items: center; }
  footer { padding: 32px 16px; }
  .basin-panels { grid-template-columns: repeat(2, 1fr); }
}