:root {
  --navy: #1B2A4A;
  --water: #3D6B8C;
  --mark: #C0392B;
  --board: #F0EBE3;
  --ink: #15202B;
  --mute: #4a5563;
  --foam: #f7f4ef;
  --label: "Chivo Mono", "IBM Plex Mono", ui-monospace, monospace;
  --display: "Libre Baskerville", "Libre Baskerville", Georgia, serif;
  --body: "Nunito Sans", "Nunito Sans", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 112.5%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(120% 80% at 88% 12%, rgba(61, 107, 140, 0.14), transparent 55%),
    linear-gradient(165deg, var(--board) 0%, #e8e2d6 48%, var(--board) 100%);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.65;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--water);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--mark);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--mark);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--navy);
  color: var(--board);
  padding: 0.4rem 0.7rem;
  z-index: 5;
  font-family: var(--label);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.skip:focus {
  top: 0.75rem;
}

.mast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid rgba(27, 42, 74, 0.12);
  background: rgba(240, 235, 227, 0.82);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 3;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--navy);
  text-decoration: none;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 1.55rem;
  height: 1.55rem;
  flex-shrink: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.15rem;
  font-family: var(--label);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.1rem;
}

.nav a[aria-current="page"],
.nav a:hover {
  border-bottom-color: var(--mark);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: min(92vh, 54rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(14rem, 0.7fr);
  align-items: end;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(2rem, 6vw, 4.5rem) clamp(1rem, 4vw, 2.5rem) clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(240, 235, 227, 0.92) 0%, rgba(240, 235, 227, 0.55) 42%, rgba(27, 42, 74, 0.18) 100%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 47px,
      rgba(27, 42, 74, 0.035) 47px,
      rgba(27, 42, 74, 0.035) 48px
    );
  z-index: -1;
}

.hero-copy {
  max-width: 34rem;
  padding-bottom: 0.5rem;
}

.hero-brand {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.hero-brand span {
  display: block;
  font-family: var(--label);
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--water);
  margin-bottom: 0.45rem;
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  max-width: 22ch;
}

.hero-lede {
  margin: 0 0 1.5rem;
  max-width: 38ch;
  color: var(--mute);
  font-size: 1.02rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.15rem;
  background: var(--navy);
  color: var(--board);
  text-decoration: none;
  font-family: var(--label);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--navy);
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.cta:hover {
  background: var(--water);
  border-color: var(--water);
  color: var(--foam);
  transform: translateY(-1px);
}

.cta-ghost {
  background: transparent;
  color: var(--navy);
}

.cta-ghost:hover {
  background: rgba(27, 42, 74, 0.06);
  color: var(--navy);
  border-color: var(--navy);
}

.gauge-stage {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 22rem;
}

.gauge-svg {
  width: min(100%, 17rem);
  height: auto;
  filter: drop-shadow(0 18px 28px rgba(21, 32, 43, 0.18));
}

.water-fill {
  transform-origin: center bottom;
  animation: level-breathe 7.5s ease-in-out infinite;
}

.level-tick {
  animation: tick-pulse 7.5s ease-in-out infinite;
}

.week-label {
  font-family: var(--label);
  font-size: 11px;
  letter-spacing: 0.06em;
  fill: #f0ebe3;
}

@keyframes level-breathe {
  0%,
  100% {
    transform: scaleY(0.92);
  }
  50% {
    transform: scaleY(1);
  }
}

@keyframes tick-pulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .water-fill,
  .level-tick {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

.board {
  width: min(46rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.25rem) 0 1rem;
}

.section {
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.section h2 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  color: var(--navy);
}

.section > p {
  margin: 0 0 1.25rem;
  color: var(--mute);
  max-width: 42rem;
}

.depth-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(27, 42, 74, 0.16);
}

.depth-list li {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid rgba(27, 42, 74, 0.16);
}

.depth-list .mark-num {
  font-family: var(--label);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mark);
  padding-top: 0.35rem;
}

.depth-list a {
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
}

.depth-list a:hover {
  color: var(--mark);
}

.depth-list p {
  margin: 0.35rem 0 0;
  color: var(--mute);
  font-size: 0.95rem;
}

.rules {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.rules li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--mute);
}

.rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.65rem;
  height: 2px;
  background: var(--mark);
}

.article-head {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(27, 42, 74, 0.14);
}

.kicker {
  margin: 0 0 0.45rem;
  font-family: var(--label);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--water);
}

.article-head h1 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  line-height: 1.2;
  color: var(--navy);
}

.meta {
  margin: 0;
  font-family: var(--label);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--mute);
}

.prose {
  max-width: 40rem;
}

.prose p,
.prose li {
  color: var(--mute);
}

.prose h2 {
  margin: 1.75rem 0 0.55rem;
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--navy);
}

.prose ul {
  padding-left: 1.15rem;
}

.back {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--label);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--navy);
}

.miss {
  padding: 3rem 0 2rem;
  max-width: 28rem;
}

.miss h1 {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--navy);
}

.miss p {
  color: var(--mute);
}

.foot {
  margin-top: 2rem;
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 2.25rem;
  border-top: 1px solid rgba(27, 42, 74, 0.14);
  background: rgba(27, 42, 74, 0.04);
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  margin-bottom: 0.85rem;
  font-family: var(--label);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.foot a {
  color: var(--navy);
  text-decoration: none;
}

.foot a:hover {
  color: var(--mark);
}

.foot .note {
  margin: 0;
  font-size: 0.88rem;
  color: var(--mute);
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    align-items: start;
  }

  .gauge-stage {
    order: -1;
    min-height: 16rem;
    max-height: 22rem;
  }

  .gauge-svg {
    width: min(100%, 13.5rem);
  }

  .depth-list li {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    gap: 0.75rem;
  }
}