:root {
  --color-paper: #f3f6fb;
  --color-surface: #ffffff;
  --color-surface-alt: #e9eff7;
  --color-surface-deep: #d9e3f1;
  --color-ink: #13233d;
  --color-ink-strong: #0d1930;
  --color-muted: #5e7089;
  --color-line: #c9d5e6;
  --color-line-strong: #93a8c3;
  --color-blue: #204c84;
  --color-blue-deep: #17355f;
  --color-blue-soft: #dbe7f6;
  --color-red: #ad2f3b;
  --color-red-deep: #871f2d;
  --color-red-soft: #f7e3e6;
  --color-white: #ffffff;
  --color-focus: #c23b47;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, "URW Palladio L", serif;
  --font-body: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande", "Gill Sans", sans-serif;
  --text-hero: clamp(2.8rem, 5vw, 5rem);
  --text-h2: clamp(2rem, 3.4vw, 3.2rem);
  --text-h3: 1.22rem;
  --text-body: 1rem;
  --text-body-strong: 1.08rem;
  --text-small: 0.93rem;
  --text-label: 0.8rem;
  --text-stat: 1.7rem;
  --text-clock: 1.9rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --radius-sm: 0.75rem;
  --radius-md: 1.1rem;
  --radius-lg: 1.6rem;
  --radius-round: 999px;
  --border-width: 1px;
  --container-max: 78rem;
  --card-min: 15rem;
  --shadow-card: 0 1rem 2rem rgba(19, 35, 61, 0.08);
  --shadow-strong: 0 1.4rem 3rem rgba(19, 35, 61, 0.12);
  --transition-base: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-ink);
  background:
    linear-gradient(180deg, rgba(32, 76, 132, 0.05), transparent 18%),
    linear-gradient(180deg, var(--color-paper), #eef3f9 48%, #f8fafc 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: 0.55rem;
  pointer-events: none;
  background: linear-gradient(90deg, var(--color-red) 0 34%, var(--color-white) 34% 66%, var(--color-blue) 66% 100%);
  z-index: 4;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3,
figure {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: 0;
  z-index: 5;
  padding: var(--space-3) var(--space-4);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--color-ink-strong);
  color: var(--color-white);
  transform: translateY(-120%);
  transition: transform var(--transition-base);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.site-shell {
  width: min(calc(100% - (var(--space-6) * 2)), var(--container-max));
  margin: 0 auto;
  padding: calc(var(--space-7) + var(--space-2)) 0 var(--space-8);
}

.site-header {
  margin-bottom: var(--space-6);
}

.header-band {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, var(--color-blue-deep), var(--color-blue));
  color: var(--color-white);
  box-shadow: var(--shadow-card);
}

.header-kicker,
.header-disclaimer,
.section-note,
.section-intro,
.hero-text,
.hero-panel p,
.overview-card p,
.region-card p,
.state-card p,
.module-card p,
.timezone-meta,
.timezone-date,
.footer p,
.map-figure figcaption {
  color: var(--color-muted);
}

.header-band .header-kicker,
.header-band .header-disclaimer {
  color: rgba(255, 255, 255, 0.9);
}

.header-kicker {
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.header-disclaimer {
  max-width: 44rem;
  font-size: var(--text-small);
}

.section-frame {
  position: relative;
  border: var(--border-width) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(233, 239, 247, 0.88));
  box-shadow: var(--shadow-card);
}

.topbar,
.hero,
.overview-section,
.map-section,
.states-section,
.module-section,
.timezone-section,
.footer {
  padding: var(--space-6);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 3.2rem;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-blue-deep), var(--color-red));
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: var(--shadow-card);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-copy span,
.topnav a,
.panel-label,
.state-detail,
.timezone-summary {
  font-size: var(--text-small);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-4);
}

.topnav a {
  position: relative;
  color: var(--color-ink);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topnav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  background: var(--color-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.topnav a:hover::after,
.topnav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.95fr);
  gap: var(--space-6);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -6rem -7rem auto;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(173, 47, 59, 0.16), rgba(173, 47, 59, 0) 70%);
}

.hero-copy,
.hero-panel,
.section-heading,
.map-figure,
.state-card,
.module-card,
.timezone-card,
.overview-card,
.region-card {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-blue);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2.8rem;
  height: 2px;
  background: currentColor;
}

h1,
h2,
h3 {
  color: var(--color-ink-strong);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 12ch;
  font-size: var(--text-hero);
  line-height: 0.96;
}

h2 {
  max-width: 18ch;
  font-size: var(--text-h2);
  line-height: 1;
}

h3 {
  font-size: var(--text-h3);
}

.hero-text {
  max-width: 42rem;
  margin-top: var(--space-5);
  font-size: var(--text-body-strong);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0 var(--space-5);
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-round);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    transform var(--transition-base),
    background-color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-0.125rem);
}

.button-primary {
  background: linear-gradient(135deg, var(--color-blue-deep), var(--color-blue));
  color: var(--color-white);
  box-shadow: var(--shadow-card);
}

.button-secondary {
  border-color: var(--color-line-strong);
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-ink-strong);
}

.hero-metrics,
.overview-grid,
.state-grid,
.module-grid,
.timezone-grid {
  display: grid;
  gap: var(--space-4);
}

.hero-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-7);
  list-style: none;
}

.hero-metrics li,
.hero-panel,
.overview-card,
.region-card,
.state-card,
.module-card,
.timezone-card,
.map-figure {
  border: var(--border-width) solid var(--color-line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(233, 239, 247, 0.94));
}

.hero-metrics li {
  padding: var(--space-4);
}

.hero-metrics strong {
  display: block;
  margin-bottom: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-stat);
  color: var(--color-blue-deep);
}

.hero-metrics span {
  color: var(--color-muted);
  font-size: var(--text-small);
}

.hero-panel {
  align-self: end;
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}

.panel-label {
  display: inline-block;
  margin-bottom: var(--space-3);
  color: var(--color-red-deep);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-panel h2 {
  max-width: 12ch;
  margin-bottom: var(--space-4);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.panel-grid article {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--color-white), var(--color-blue-soft));
}

.panel-grid span {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-muted);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.panel-grid strong {
  font-family: var(--font-display);
  color: var(--color-ink-strong);
}

.overview-section,
.map-section,
.states-section,
.module-section,
.timezone-section,
.footer {
  margin-top: var(--space-6);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.section-heading-wide {
  flex-direction: row;
  justify-content: space-between;
  align-items: end;
  gap: var(--space-5);
}

.section-intro,
.section-note,
.timezone-summary {
  max-width: 44rem;
}

.overview-grid,
.state-grid,
.module-grid,
.timezone-grid {
  grid-template-columns: repeat(auto-fit, minmax(var(--card-min), 1fr));
}

.overview-card,
.region-card,
.state-card,
.module-card,
.timezone-card {
  padding: var(--space-5);
}

.overview-card h3,
.region-card h3,
.state-card h3,
.module-card h3,
.timezone-card h3 {
  margin-bottom: var(--space-3);
}

.map-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: var(--space-5);
}

.map-figure {
  padding: var(--space-4);
  box-shadow: var(--shadow-card);
}

.map-svg {
  display: block;
  width: 100%;
  height: auto;
}

.map-ocean {
  fill: #eff4fb;
  stroke: var(--color-line);
  stroke-width: 2;
}

.region-shape {
  stroke: var(--color-white);
  stroke-width: 4;
}

.region-west,
.region-mountain,
.region-plains,
.region-midwest,
.region-northeast {
  fill: #2a5d9d;
}

.region-southwest,
.region-south,
.region-midatlantic,
.region-alaska,
.region-hawaii {
  fill: #b33a46;
}

.map-labels text {
  fill: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.map-figure figcaption {
  margin-top: var(--space-3);
  font-size: var(--text-small);
}

.region-list {
  display: grid;
  gap: var(--space-4);
}

.region-card {
  border-left: 0.35rem solid var(--color-blue);
}

.region-card:nth-child(even) {
  border-left-color: var(--color-red);
}

.state-code,
.timezone-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.1rem;
  min-height: 2rem;
  margin-bottom: var(--space-4);
  padding: 0 var(--space-3);
  border-radius: var(--radius-round);
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.state-code {
  background: var(--color-blue-soft);
  color: var(--color-blue-deep);
}

.state-detail {
  margin-bottom: var(--space-3);
  color: var(--color-muted);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
  list-style: none;
}

.tag-list li {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-round);
  background: var(--color-red-soft);
  color: var(--color-red-deep);
  font-size: var(--text-label);
  font-weight: 700;
}

.tourism-section .module-card:first-child,
.education-section .module-card:nth-child(2),
.economy-section .module-card:nth-child(2) {
  background: linear-gradient(180deg, var(--color-white), var(--color-blue-soft));
}

.timezone-summary {
  margin-bottom: var(--space-4);
  color: var(--color-muted);
}

.timezone-code {
  background: var(--color-blue-deep);
  color: var(--color-white);
}

.timezone-card {
  box-shadow: var(--shadow-card);
}

.timezone-card[data-local="true"] {
  border-color: var(--color-red);
  box-shadow: var(--shadow-strong);
}

.timezone-time {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-clock);
  line-height: 1;
  color: var(--color-ink-strong);
}

.timezone-date {
  margin-top: var(--space-2);
}

.noscript-panel {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: var(--border-width) dashed var(--color-line-strong);
  border-radius: var(--radius-md);
  background: var(--color-red-soft);
  color: var(--color-ink-strong);
}

.footer {
  text-align: center;
}

:focus-visible {
  outline: 0.2rem solid var(--color-focus);
  outline-offset: 0.2rem;
}

::selection {
  background: var(--color-blue);
  color: var(--color-white);
}

@media (max-width: 70rem) {
  .hero,
  .map-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel h2,
  .section-heading h2 {
    max-width: none;
  }

  .section-heading-wide {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 48rem) {
  .site-shell {
    width: min(calc(100% - (var(--space-4) * 2)), var(--container-max));
    padding-top: var(--space-7);
    padding-bottom: var(--space-7);
  }

  .topbar {
    flex-direction: column;
    align-items: start;
  }

  .topbar,
  .hero,
  .overview-section,
  .map-section,
  .states-section,
  .module-section,
  .timezone-section,
  .footer {
    padding: var(--space-5);
  }

  .hero-metrics,
  .panel-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  h1 {
    max-width: none;
  }

  .header-band {
    padding: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .skip-link,
  .topnav a::after,
  .button {
    transition: none;
  }
}