:root {
  color: #172626;
  background: #edf2ef;
  font-family:
    Aptos,
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #172626;
  --muted: #5f706d;
  --paper: #fffdf8;
  --teal-950: #102a2b;
  --teal-800: #174b4d;
  --teal-700: #0f6668;
  --teal-100: #d9ece8;
  --fire: #d33f28;
  --line: #d6dfdb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(81, 154, 138, 0.16), transparent 27rem),
    linear-gradient(180deg, #edf3ef 0, #f8f7f1 34rem, #fffdf8 100%);
}

a {
  color: var(--teal-700);
  text-underline-offset: 0.2em;
}

:focus-visible {
  outline: 3px solid #f0a43a;
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(23, 75, 77, 0.12);
  background: rgba(255, 253, 248, 0.92);
  backdrop-filter: blur(16px);
}

.nav-shell {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto;
}

.brand {
  color: var(--teal-950);
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 23px;
  font-weight: 700;
  text-decoration: none;
}

.brand span {
  color: var(--teal-700);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 750;
}

.main-nav a {
  color: #38514e;
  text-decoration: none;
}

.main-nav .nav-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border-radius: 999px;
  color: white;
  background: var(--teal-950);
}

.hero,
.content-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(32px, 7vw, 92px);
  align-items: center;
  padding: clamp(66px, 10vw, 118px) 0 64px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal-700);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--teal-950);
  font-family: Georgia, 'Times New Roman', serif;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 0.98;
}

.hero-copy {
  max-width: 700px;
  margin: 24px 0 0;
  color: #48605d;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid #a7c2bc;
  border-radius: 999px;
  color: var(--teal-800);
  background: rgba(255, 255, 255, 0.7);
  font-weight: 800;
  text-decoration: none;
}

.button-primary {
  border-color: var(--teal-950);
  color: white;
  background: var(--teal-950);
  box-shadow: 0 12px 30px rgba(16, 42, 43, 0.2);
}

.radar-card {
  position: relative;
  min-height: 330px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(23, 75, 77, 0.14);
  border-radius: 36px;
  background:
    linear-gradient(rgba(19, 78, 78, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 78, 78, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, #e7f2eb, #f9edda);
  background-size:
    34px 34px,
    34px 34px,
    auto;
  box-shadow: 0 28px 70px rgba(20, 42, 42, 0.16);
}

.radar-card::before,
.radar-card::after {
  content: '';
  position: absolute;
  border: 1px solid rgba(15, 102, 104, 0.33);
  border-radius: 50%;
}

.radar-card::before {
  width: 220px;
  height: 220px;
}

.radar-card::after {
  width: 120px;
  height: 120px;
}

.radar-point {
  position: relative;
  z-index: 1;
  width: 22px;
  height: 22px;
  border: 4px solid white;
  border-radius: 50%;
  background: var(--fire);
  box-shadow:
    0 0 0 14px rgba(211, 63, 40, 0.14),
    0 8px 28px rgba(96, 35, 25, 0.38);
}

.radar-label {
  position: absolute;
  right: 22px;
  bottom: 22px;
  left: 22px;
  padding: 14px 16px;
  border-radius: 16px;
  color: var(--teal-950);
  background: rgba(255, 253, 248, 0.9);
  box-shadow: 0 8px 30px rgba(16, 42, 43, 0.12);
  font-size: 13px;
  line-height: 1.45;
}

.radar-label strong,
.radar-label small {
  display: block;
}

.radar-label small {
  margin-top: 3px;
  color: var(--muted);
}

.timeline-visual {
  position: relative;
  z-index: 1;
  width: 210px;
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.timeline-visual::before {
  position: absolute;
  right: 12px;
  left: 12px;
  height: 4px;
  border-radius: 999px;
  background: rgba(15, 102, 104, 0.3);
  content: '';
}

.timeline-visual span {
  position: relative;
  width: 24px;
  height: 24px;
  border: 5px solid white;
  border-radius: 50%;
  background: var(--teal-700);
  box-shadow: 0 8px 20px rgba(16, 42, 43, 0.2);
}

.timeline-visual span:nth-child(2) {
  background: #d6a539;
}

.timeline-visual span:nth-child(3) {
  width: 32px;
  height: 32px;
  background: var(--fire);
}

.timeline-visual span:nth-child(4) {
  background: #6d9a90;
}

.comparison-visual-card {
  min-height: 330px;
}

.comparison-visual {
  width: min(100%, 420px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
  gap: 12px;
}

.comparison-visual > div {
  min-height: 180px;
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(159, 201, 190, 0.32);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.comparison-visual > b {
  align-self: center;
  color: #8dbcb2;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.comparison-visual strong,
.comparison-visual small {
  display: block;
}

.comparison-visual strong {
  font-size: 18px;
}

.comparison-visual small {
  color: #c9dcd7;
  font-size: 12px;
}

.comparison-visual div > span {
  height: 44px;
  display: flex;
  align-items: end;
  gap: 6px;
}

.comparison-visual i {
  width: 12px;
  height: 22px;
  display: block;
  border-radius: 6px 6px 2px 2px;
  background: #a8d7cb;
}

.comparison-visual i:nth-child(2) {
  height: 40px;
  background: #efb35d;
}

.comparison-visual i:nth-child(3) {
  height: 30px;
  background: #e57c58;
}

.hazard-card {
  background:
    linear-gradient(rgba(19, 78, 78, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 78, 78, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, #eef2d5, #f9e6d8);
  background-size:
    34px 34px,
    34px 34px,
    auto;
}

.hazard-scale {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.hazard-level {
  width: 34px;
  border: 4px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(71, 52, 25, 0.2);
}

.hazard-level-yellow {
  height: 74px;
  background: #d2a416;
}

.hazard-level-orange {
  height: 112px;
  background: #df6b2f;
}

.hazard-level-red {
  height: 154px;
  background: #b72d2a;
}

.traffic-card {
  background:
    linear-gradient(rgba(19, 78, 78, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 78, 78, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, #e6f0e8, #f7dfbf);
  background-size:
    34px 34px,
    34px 34px,
    auto;
}

.traffic-route {
  position: relative;
  width: 230px;
  height: 20px;
  border: 5px solid white;
  border-radius: 999px;
  background: #bd5b12;
  box-shadow: 0 10px 30px rgba(92, 54, 19, 0.28);
  transform: rotate(-18deg);
}

.traffic-route::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 12px;
  left: 12px;
  border-top: 2px dashed rgba(255, 255, 255, 0.78);
  transform: translateY(-50%);
}

.traffic-sign {
  position: absolute;
  z-index: 2;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 5px solid white;
  border-radius: 50%;
  color: white;
  background: #91460d;
  box-shadow: 0 10px 26px rgba(92, 54, 19, 0.34);
  font-size: 28px;
  font-weight: 900;
  transform: translate(52px, -42px);
}

.content-shell {
  padding: 18px 0 90px;
}

.breadcrumb {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a {
  color: inherit;
}

.section {
  padding: clamp(34px, 6vw, 72px) 0;
  border-top: 1px solid var(--line);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.58fr) minmax(0, 1fr);
  gap: clamp(28px, 7vw, 88px);
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.06;
}

h3 {
  margin: 0 0 8px;
  color: var(--teal-950);
  font-size: 17px;
}

.prose {
  max-width: 760px;
  color: #405653;
  font-size: 17px;
  line-height: 1.72;
}

.prose p:first-child {
  margin-top: 0;
}

.fact-grid,
.link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.fact-card,
.link-card,
.notice {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.86);
}

.fact-card p,
.link-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.link-card {
  color: inherit;
  text-decoration: none;
  transition:
    transform 140ms ease,
    border-color 140ms ease;
}

.link-card:hover {
  border-color: #8db5ab;
  transform: translateY(-2px);
}

.notice {
  border-color: #e6b1a5;
  background: #fff2ec;
}

.notice strong {
  color: #742e23;
}

.source-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.source-list li {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.source-list small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.updated {
  display: inline-flex;
  margin-top: 24px;
  padding: 7px 10px;
  border-radius: 8px;
  color: #576b67;
  background: #e7efeb;
  font-size: 12px;
  font-weight: 750;
}

.transit-card {
  overflow: hidden;
  background:
    radial-gradient(circle at 77% 28%, rgba(255, 253, 248, 0.88) 0 3px, transparent 4px),
    linear-gradient(145deg, #dcece7 0%, #b8d5d2 46%, #8fb7b6 100%);
}

.transit-card::after {
  position: absolute;
  inset: 16% -10% auto 10%;
  height: 58%;
  border: 1px solid rgba(16, 42, 43, 0.14);
  border-radius: 50%;
  content: '';
  transform: rotate(-12deg);
}

.transit-route {
  position: absolute;
  top: 23%;
  left: -8%;
  width: 112%;
  height: 52%;
  border: 10px solid #2b6e7a;
  border-right-color: transparent;
  border-left-color: transparent;
  border-radius: 48% 56% 52% 44%;
  transform: rotate(-9deg);
}

.transit-stop {
  position: absolute;
  z-index: 2;
  width: 27px;
  height: 27px;
  border: 7px solid #2b6e7a;
  border-radius: 50%;
  background: #fffdf8;
  box-shadow: 0 5px 16px rgba(16, 42, 43, 0.2);
}

.transit-stop-one {
  top: 25%;
  left: 22%;
}

.transit-stop-two {
  top: 43%;
  left: 53%;
}

.transit-stop-three {
  top: 25%;
  right: 16%;
  border-color: #c9513c;
}

.transit-stop-three::after {
  position: absolute;
  top: 7px;
  left: 9px;
  width: 3px;
  height: 9px;
  border-radius: 3px;
  background: #c9513c;
  box-shadow: 0 12px 0 #c9513c;
  content: '';
}

.site-footer {
  padding: 36px 0;
  color: #dce9e5;
  background: var(--teal-950);
}

.footer-shell {
  width: min(1120px, calc(100% - 32px));
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto;
}

.site-footer a {
  color: white;
}

@media (max-width: 760px) {
  .main-nav > a:not(.nav-cta) {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 54px;
  }

  .radar-card {
    min-height: 270px;
  }

  .section-grid {
    grid-template-columns: 1fr;
  }

  .fact-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .footer-shell {
    flex-direction: column;
  }
}

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