/* 2026 dark editorial tide-chart: midnight sea + pharmacopeia paper + amber beam */
:root {
  --sea: #07141f;
  --ink: #0c1c2c;
  --paper: #f3efe4;
  --paper-2: #fffdf8;
  --fog: #c9d4dc;
  --amber: #e2a84a;
  --amber-2: #f0d9a0;
  --mute: #7a8794;
  --risk: #b4232c;
  --ok: #3d7a62;
  --line: rgba(7, 20, 34, 0.14);
  --serif: "Cormorant Garamond", "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

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

html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 72px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: #8a5a10; text-decoration: underline; text-underline-offset: 3px; }
.sea-band .app-link { color: var(--amber-2); }
button, input { font-family: inherit; }
code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: rgba(226, 168, 74, 0.22);
  padding: 0.05em 0.35em;
}

.paper-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 8;
  opacity: 0.16;
  background-image: url("images/texture.webp");
  background-size: 420px auto;
  mix-blend-mode: multiply;
}

.skip { position: absolute; left: -999px; }
.skip:focus {
  left: 64px;
  top: 10px;
  z-index: 80;
  background: var(--amber);
  color: var(--ink);
  padding: 8px 12px;
}

.tide-rail {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 56px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 80px 0 28px;
  background: var(--sea);
  border-right: 1px solid rgba(226, 168, 74, 0.32);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--amber);
  text-align: center;
}

.tide-mark {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--amber);
  top: 62%;
  box-shadow: 0 0 12px var(--amber);
}

.mast {
  position: sticky;
  top: 0;
  z-index: 50;
  margin-left: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 22px;
  background: rgba(243, 239, 228, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
}
.mark small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #8a5a10;
  font-weight: 400;
}
.lantern-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #fff6d8, var(--amber) 50%, #6a4a12 100%);
  box-shadow: 0 0 14px var(--amber);
}

.nav-toggle {
  display: none;
  background: transparent;
  color: #8a5a10;
  border: 1px solid #8a5a10;
  padding: 6px 12px;
  cursor: pointer;
}

.mast-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
}
.mast-links a { color: var(--mute); }
.mast-links a.is-active,
.mast-links a:hover { color: var(--ink); }
.mast-links .live {
  background: var(--amber);
  color: var(--ink);
  padding: 5px 12px;
}

.split-hero {
  margin-left: 56px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 100vh;
  background: var(--sea);
  color: var(--paper);
}

.paper-pane { padding: 10vh 7vw 8vh; }
.kicker,
.vlabel {
  font-family: var(--mono);
  letter-spacing: 0.16em;
  font-size: 11px;
  color: var(--amber);
  margin: 0 0 12px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.06;
  margin: 0 0 14px;
}
h1 { font-size: clamp(42px, 6.4vw, 88px); letter-spacing: -0.03em; color: var(--paper); }
h2 { font-size: clamp(28px, 3.4vw, 44px); }
h3 { font-size: 22px; line-height: 1.25; }
.lead { max-width: 42em; color: rgba(243, 239, 228, 0.9); font-size: 17px; }
.quiet { color: var(--mute); max-width: 46em; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0;
}
.chips span {
  border: 1px solid rgba(226, 168, 74, 0.45);
  padding: 4px 10px;
  font-size: 12px;
  font-family: var(--mono);
}

.lamp-demo {
  margin: 8px 0 22px;
  padding: 16px 18px;
  background: rgba(12, 28, 44, 0.7);
  border-left: 4px solid var(--amber);
}
.lamp-btns { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.lamp-btns button {
  background: transparent;
  color: var(--amber-2);
  border: 1px solid rgba(226, 168, 74, 0.5);
  padding: 6px 12px;
  cursor: pointer;
}
.lamp-btns button.on { background: var(--amber); color: var(--ink); }
.lamp-row { display: flex; align-items: center; gap: 14px; }
.lamp {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex: 0 0 28px;
  background: radial-gradient(circle, #fff 0%, var(--amber) 55%, #6a4a12 100%);
  box-shadow: 0 0 18px var(--amber);
}
.lamp.watch { background: radial-gradient(circle, #fff, #dce4ea 60%, #6a7884 100%); box-shadow: 0 0 14px #dce4ea; }
.lamp.amber { background: radial-gradient(circle, #fff6d8, var(--amber) 55%, #6a4a12 100%); box-shadow: 0 0 18px var(--amber); }
.lamp.risk { background: radial-gradient(circle, #ffd0c8, var(--risk) 55%, #4a1010 100%); box-shadow: 0 0 18px var(--risk); }
#lamp-msg { margin: 0; font-size: 14px; color: var(--fog); }

.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid currentColor;
  font-size: 14px;
  cursor: pointer;
  background: transparent;
}
.btn.fill { background: var(--amber); color: var(--ink); border-color: var(--amber); }
.btn.line { color: var(--paper); }

.sea-pane {
  margin: 0;
  position: relative;
  overflow: hidden;
}
.sea-pane img { width: 100%; height: 100%; object-fit: cover; min-height: 100%; }
.beam-layer {
  position: absolute;
  inset: -20%;
  background: conic-gradient(from 200deg, transparent 0 70%, rgba(226, 168, 74, 0.18) 78%, transparent 88%);
  animation: sweep 14s linear infinite;
  mix-blend-mode: screen;
  pointer-events: none;
}
@keyframes sweep { to { transform: rotate(360deg); } }
.sea-pane figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  color: var(--paper);
  font-size: 13px;
  background: rgba(7, 20, 34, 0.55);
  padding: 8px 10px;
}

.folio {
  width: min(1080px, calc(100% - 104px));
  margin: 0 auto;
  padding: 80px 0;
}
.sea-band { background: var(--sea); color: var(--paper); }
.sea-band .quiet,
.sea-band .vlabel { color: #c9b48a; }
.sea-band code { background: rgba(226, 168, 74, 0.16); color: var(--paper); }

.need-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 1.1fr;
  gap: 14px;
  margin-top: 28px;
}
.sheet {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 18px 18px 18px 22px;
  box-shadow: 8px 8px 0 rgba(7, 20, 34, 0.06);
  position: relative;
  border-left: 3px solid var(--amber);
}
.warn-sheet { background: #f7ebe3; }
.sheet ul,
.io-two ul,
.bound { margin: 0; padding-left: 1.1em; list-style: none; }
.sheet ul li::before,
.io-two ul li::before {
  content: "–";
  color: var(--amber);
  display: inline-block;
  width: 0.9em;
  margin-left: -0.9em;
}
.sheet li,
.io-two li,
.bound li { margin: 0 0 6px; }

.dossier {
  display: grid;
  grid-template-columns: 28px 1fr 0.9fr;
  gap: 22px;
  align-items: center;
  margin: 28px 0;
  padding: 22px;
  background: rgba(243, 239, 228, 0.06);
  border: 1px solid rgba(226, 168, 74, 0.22);
}
.dossier.flip { grid-template-columns: 28px 0.9fr 1fr; }
.dossier.flip .dossier-copy { order: 3; }
.dossier.flip figure { order: 2; }
.punch {
  width: 18px;
  height: 100%;
  min-height: 120px;
  background:
    radial-gradient(circle at 50% 16px, var(--sea) 6px, transparent 7px) 0 0 / 18px 48px repeat-y;
  background-color: var(--paper);
  border-radius: 4px;
}
.sea-band .punch { background-color: var(--paper-2); }
.num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--amber); }
.dossier figure { margin: 0; }
.dossier img { width: 100%; height: 220px; object-fit: cover; }
.dossier figcaption { font-size: 12px; color: #c9b48a; margin-top: 8px; }

.tide-demo { margin-top: 16px; }
.slider { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; }
.slider input { flex: 1; accent-color: var(--amber); }
.tide-state { margin: 8px 0 12px; font-size: 14px; }
.tide-state.flood { color: var(--amber-2); }
.tide-state.ok { color: #9ec9a4; }
.tide-state.late { color: #f0a098; }
#tide-advance { margin-top: 4px; }

.lamp-map,
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}
.lamp-map article,
.value-grid article,
.io-two > div {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--paper-2);
}
.sea-band .value-grid article,
.sea-band .io-two > div {
  background: rgba(243, 239, 228, 0.06);
  border-color: rgba(226, 168, 74, 0.22);
}
.io-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }

.bound { max-width: 46em; }
.bound li { margin-bottom: 10px; }

footer {
  margin-left: 56px;
  padding: 22px 28px 40px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--mute);
  border-top: 1px solid var(--line);
}

@media (max-width: 960px) {
  .tide-rail { display: none; }
  .mast,
  .split-hero,
  footer { margin-left: 0; }
  .folio { width: min(1080px, calc(100% - 40px)); }
  .split-hero { grid-template-columns: 1fr; }
  .sea-pane { min-height: 42vh; order: -1; }
  .sea-pane img { min-height: 48vh; }
  .need-grid,
  .lamp-map,
  .value-grid,
  .io-two { grid-template-columns: 1fr; }
  .dossier,
  .dossier.flip { grid-template-columns: 18px 1fr; }
  .dossier figure,
  .dossier.flip figure { grid-column: 1 / -1; order: 4; }
  .dossier.flip .dossier-copy { order: 2; }
  .nav-toggle { display: inline-block; }
  .mast { flex-wrap: wrap; position: relative; }
  .mast-links {
    display: none;
    position: absolute;
    right: 12px;
    top: 52px;
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 10px;
    min-width: 180px;
    z-index: 60;
  }
  .mast-links.open { display: flex; }
  h1 { font-size: clamp(36px, 10vw, 56px); }
}