html {
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 150ms;
}

:root {
  --color-bg: #F7F9FA;
  --color-text: #16222C;
  --color-secondary: #5A6B78;
  --color-primary: #14324A;
  --color-heading: var(--color-primary);
  --color-amber: #B8862B;
  --color-amber-tint: rgba(184, 134, 43, 0.14);
  --color-border: #D9E0E5;
  --color-card-bg: #FFFFFF;
  --color-strip-bg: #EEF2F4;
}

/* Stormy dark mode. Header bar and amber stay fixed brand colors in both
   themes (--color-primary, --color-amber); --color-heading is the themed
   stand-in used anywhere --color-primary was previously read as text on
   the page background, so headings/links/badges stay legible on the dark
   surface instead of rendering navy-on-navy. */
[data-theme="dark"] {
  --color-bg: #0E1B26;
  --color-text: #E6EDF3;
  --color-secondary: #9FB0BE;
  --color-heading: var(--color-text);
  --color-amber-tint: rgba(184, 134, 43, 0.24);
  --color-border: #2A3F52;
  --color-card-bg: #16293A;
  --color-strip-bg: #16293A;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

.page {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

a {
  color: var(--color-heading);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-heading);
  outline-offset: 2px;
}

/* Header */

.site-header {
  background: var(--color-primary);
}

.site-header .page {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.site-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-logo {
  height: 44px;
  width: auto;
  display: block;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.35rem;
}

.site-header nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.95rem;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid transparent;
}

.site-header nav a:hover,
.site-header nav a.is-current {
  color: #FFFFFF;
  border-bottom-color: var(--color-amber);
}

.site-header a:focus-visible {
  outline-color: #FFFFFF;
}

/* Theme toggle (sun in light mode, bolt in dark mode) */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: transparent;
  color: #FFFFFF;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: rgba(255, 255, 255, 0.55);
}

.theme-toggle:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 2px;
}

.theme-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
}

.theme-toggle .icon-bolt {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-bolt {
  display: block;
}

/* Main content */

main {
  padding: 2.75rem 0 4rem;
}

/* The home page opens with a full-bleed dark hero panel, which supplies
   its own vertical rhythm; drop main's top padding so the panel sits
   flush under the header instead of leaving a pale gap above it. */
main:has(> .hero-panel) {
  padding-top: 0;
}

h1 {
  margin: 0 0 1rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 2rem 0 0.75rem;
  color: var(--color-heading);
}

/* Kicker label (sits above a section H2) */

.kicker {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-heading);
  background: var(--color-amber-tint);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin: 0 0 0.6rem;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 1.375rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Hero (dark storm panel) */

.hero-panel {
  position: relative;
  background: var(--color-primary);
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.hero-cloud {
  position: absolute;
  width: 60%;
  height: 70%;
  border-radius: 50%;
  background: #ffffff;
  filter: blur(60px);
  opacity: 0.06;
}

.hero-cloud.is-c1 {
  top: -20%;
  left: -15%;
}

.hero-cloud.is-c2 {
  bottom: -25%;
  right: -10%;
  opacity: 0.05;
}

.hero-rain {
  position: absolute;
  inset: -20% -10%;
  background-image: repeating-linear-gradient(
    112deg,
    rgba(255, 255, 255, 0.05) 0,
    rgba(255, 255, 255, 0.05) 2px,
    transparent 2px,
    transparent 42px
  );
}

@media (prefers-reduced-motion: no-preference) {
  .hero-cloud {
    animation: hero-drift 75s ease-in-out infinite alternate;
  }

  .hero-cloud.is-c2 {
    animation-duration: 90s;
  }

  .hero-rain {
    animation: hero-rain-drift 45s linear infinite;
  }
}

@keyframes hero-drift {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(4%, 3%);
  }
}

@keyframes hero-rain-drift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -220px 420px;
  }
}

.hero-panel-inner {
  position: relative;
  z-index: 1;
  padding: 4.25rem 1.25rem 4.5rem;
  text-align: center;
}

.hero-eyebrow {
  margin: 0 0 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.75);
}

.hero-mark {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  display: block;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 1rem;
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  line-height: 1.3;
}

.btn-amber {
  background: var(--color-amber);
  color: var(--color-primary);
}

.btn-amber:hover {
  background: #a67b26;
}

.btn-text {
  color: #ffffff;
  text-decoration: underline;
  font-size: 1rem;
}

.btn-text:hover {
  color: var(--color-amber);
}

.weather-now {
  margin: 1.75rem 0 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.weather-now[hidden] {
  display: none;
}

/* Stakes strip */

.stakes-strip {
  background: var(--color-strip-bg);
  border-bottom: 1px solid var(--color-border);
}

.stakes-strip p {
  margin: 0;
  padding: 1.1rem 0;
  text-align: center;
  color: var(--color-heading);
  font-weight: 600;
  font-size: 1.02rem;
}

/* Link cards */

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0 2.5rem;
}

@media (max-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.link-card {
  display: block;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.25rem 1.4rem;
  color: inherit;
  text-decoration: none;
}

.link-card:hover {
  border-color: var(--color-heading);
}

.link-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  color: var(--color-heading);
}

.link-card p {
  margin: 0;
  color: var(--color-secondary);
  font-size: 0.95rem;
}

/* How it works */

.how-it-works {
  margin: 2.5rem 0;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-bottom: 0;
}

.step-num {
  flex: 0 0 auto;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Meta labels (dates, sources) */

.label {
  display: inline-block;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  font-weight: 600;
}

.lede {
  font-size: 1.1rem;
  color: var(--color-secondary);
}

/* Report index cards */

.report-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.report-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.1rem 1.3rem;
  margin-bottom: 0;
}

.badge {
  display: inline-block;
  background: var(--color-amber-tint);
  color: var(--color-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.report-card-title {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
  margin-bottom: 0.3rem;
}

.report-card-title:hover {
  color: var(--color-heading);
  text-decoration: underline;
}

.report-card-meta {
  margin: 0;
  color: var(--color-secondary);
  font-size: 0.9rem;
}

.empty-state {
  color: var(--color-secondary);
}

/* Report page meta strip */

.meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.75rem 0 1.75rem;
}

.meta-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.meta-badge .label {
  color: var(--color-secondary);
}

.meta-badge.is-magnitude {
  background: var(--color-amber-tint);
  border-color: transparent;
  color: var(--color-heading);
  font-weight: 700;
}

.meta-badge.is-magnitude .label {
  color: var(--color-heading);
  opacity: 0.75;
}

/* Stat numerals (magnitudes) */

.stat-num {
  font-variant-numeric: tabular-nums;
  font-size: 1.05em;
  font-weight: 800;
}

/* Report body card */

.report-body {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.5rem 1.75rem;
}

.report-body > *:first-child {
  margin-top: 0;
}

.magnitude-value {
  display: inline-block;
  background: var(--color-amber-tint);
  color: var(--color-heading);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: 1.05em;
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
}

/* Checklist */

.checklist {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.checklist li {
  border-left: 3px solid var(--color-border);
  padding: 0.1rem 0 0.1rem 1rem;
  margin-bottom: 0;
}

/* Ridge divider */

.ridge-divider {
  margin: 3rem 0 0;
  line-height: 0;
}

.ridge-divider svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 64px;
  opacity: 0.9;
}

.ridge-divider polyline {
  stroke: var(--color-heading);
}

/* Scroll reveal (progressive enhancement; see assets/reveal.js) */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 300ms ease, transform 300ms ease;
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  color: var(--color-secondary);
  font-size: 0.85rem;
}

.site-footer .page {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

/* Ninth Degree footer credit. Mark swaps black/white by theme the same way
   the theme-toggle's sun/bolt icons do: both images ship, CSS shows one. */

.footer-credit {
  margin: 0.75rem 0 0;
}

.footer-credit a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: inherit;
  text-decoration: none;
  font-size: 0.8rem;
  opacity: 0.65;
}

.footer-credit a:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer-credit-mark {
  width: 18px;
  height: 18px;
  display: block;
}

.footer-credit-mark.is-dark {
  display: none;
}

[data-theme="dark"] .footer-credit-mark.is-light {
  display: none;
}

[data-theme="dark"] .footer-credit-mark.is-dark {
  display: block;
}

@media (max-width: 480px) {
  .site-header .page {
    flex-direction: column;
    align-items: flex-start;
  }

  .report-body {
    padding: 1.25rem 1.25rem;
  }
}