/* Fish On web, shared by the landing page and the trip viewer.
   Sonar palette of the watch app (spec section 4), Inter (variable, self-hosted, SIL OFL).
   Dark by default; light when the system asks. Parts marked .night stay dark in both:
   they are instruments (sonar, bite-time ring), like the watch screen itself. */
@font-face {
  font-family: 'Inter'; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('/assets/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter'; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('/assets/fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --abyss: #03141A; --deep: #062630; --trench: #12343B; --foam: #E8FBF6; --kelp: #86AFA9;
  --echo: #2EF2B4; --shallows: #7CE7FF; --sun: #FFB547; --hot: #FF6B5A;
  --bg: var(--abyss); --bg2: var(--deep); --fg: var(--foam); --mu: var(--kelp); --line: rgba(46, 242, 180, .13);
  --ac: var(--echo); --ac2: var(--shallows); --warn: var(--sun); --on-ac: #03141A;
  --card: rgba(6, 38, 48, .66); --ring: rgba(46, 242, 180, .07); --chip: var(--trench);
  --glow: rgba(6, 38, 48, .9); --nightband: rgba(0, 0, 0, .45); --moonlit: #E8FBF6;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color-scheme: dark;
}
/* One theme for the whole page, from the system setting (the watch renders stay dark: they are devices). */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #EEF6F3; --bg2: #FFFFFF; --fg: #062630; --mu: #4A6D68; --line: rgba(6, 38, 48, .12);
    --ac: #08926C; --ac2: #0A7EA4; --warn: #B86E00; --on-ac: #FFFFFF;
    --card: rgba(255, 255, 255, .8); --ring: rgba(8, 146, 108, .09); --chip: #DCEBE7;
    --glow: rgba(255, 255, 255, .85); --nightband: rgba(6, 38, 48, .12); --moonlit: #FFFFFF;
    color-scheme: light;
  }
}
.night { background: var(--bg); color: var(--fg); }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; min-height: 100vh; background: var(--bg); color: var(--fg); overflow-x: hidden;
  font: 400 17px/1.55 var(--font); font-feature-settings: 'cv11', 'ss01'; -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--ac); text-underline-offset: .18em; }
:focus-visible { outline: 2px solid var(--ac2); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }
.num { font-variant-numeric: tabular-nums; }
.vh { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ------------------------------------------------------------ header */
.bar { display: flex; align-items: center; gap: 12px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }

/* ------------------------------------------------------------ buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 22px;
  border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--fg);
  font: 650 16px/1 var(--font); letter-spacing: -.005em; text-decoration: none; cursor: pointer;
  transition: background-color .2s, border-color .2s, transform .2s;
}
.btn:hover { border-color: color-mix(in srgb, var(--ac) 55%, transparent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ac); border-color: var(--ac); color: var(--on-ac); }
.btn.primary:hover { background: color-mix(in srgb, var(--ac) 86%, #fff); }
.btn svg { width: 19px; height: 19px; flex: none; }
.btn:disabled { opacity: .45; cursor: default; }

/* ------------------------------------------------------------ watch render
   A round Garmin case drawn in CSS around a vector copy of a real app screen (tools/web/screens.mjs). Size via --s. */
.watch { --s: 340px; position: relative; width: var(--s); height: var(--s); flex: none; margin: 0; }
.watch .strap {
  position: absolute; left: 25%; width: 50%; height: 34%; z-index: 0;
  background: linear-gradient(90deg, #0a0e10, #1c2427 18%, #232c30 50%, #1c2427 82%, #0a0e10);
}
.watch .strap::after {
  content: ''; position: absolute; left: 12%; right: 12%; top: 20%; bottom: 20%; border-radius: 3px;
  background: repeating-linear-gradient(180deg, transparent 0 14%, rgba(255, 255, 255, .035) 14% 16%);
}
.watch .strap.t { top: -24%; border-radius: 14% 14% 0 0 / 10% 10% 0 0; -webkit-mask-image: linear-gradient(0deg, #000 55%, transparent); mask-image: linear-gradient(0deg, #000 55%, transparent); }
.watch .strap.b { bottom: -24%; border-radius: 0 0 14% 14% / 0 0 10% 10%; -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent); mask-image: linear-gradient(180deg, #000 55%, transparent); }
.watch .case {
  position: absolute; inset: 0; border-radius: 50%; z-index: 1;
  background: conic-gradient(from 200deg, #3a4448, #9aa7ac, #4a555a, #d7e0e2, #4a555a, #8c999e, #2d3539, #a3b0b4, #3a4448);
  box-shadow: 0 calc(var(--s) * .09) calc(var(--s) * .16) rgba(0, 0, 0, .55), 0 0 0 1px rgba(0, 0, 0, .5);
}
.watch .bezel {
  position: absolute; inset: 3.6%; border-radius: 50%; z-index: 2; background: #080b0d;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14), inset 0 2px 6px rgba(0, 0, 0, .8);
}
.watch .bezel::before {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: repeating-conic-gradient(from -.6deg, rgba(232, 251, 246, .42) 0 1.2deg, transparent 1.2deg 30deg),
    repeating-conic-gradient(from -.3deg, rgba(232, 251, 246, .16) 0 .6deg, transparent .6deg 6deg);
  -webkit-mask-image: radial-gradient(circle, transparent 0 87%, #000 88% 95%, transparent 96%);
  mask-image: radial-gradient(circle, transparent 0 87%, #000 88% 95%, transparent 96%);
}
.watch .screen { position: absolute; inset: 9.5%; border-radius: 50%; overflow: hidden; z-index: 3; background: #000; }
.watch .screen > * { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .7s ease; }
.watch .screen > .on { opacity: 1; }
/* vector screens (tools/web/screens.mjs): crisp at any size; text keeps its geometric size */
svg.scr { display: block; text-rendering: geometricPrecision; }
.watch .glass {
  position: absolute; inset: 9.5%; border-radius: 50%; z-index: 4; pointer-events: none;
  background: linear-gradient(140deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, 0) 38%),
    radial-gradient(circle at 50% 50%, transparent 66%, rgba(0, 0, 0, .35));
}
.watch .key {
  position: absolute; right: -2.6%; width: 4.2%; height: 9.5%; z-index: 0; border-radius: 30% / 12%;
  background: linear-gradient(90deg, #4c575c, #b6c2c6 45%, #59656a);
}
.watch .key.k1 { top: 22%; } .watch .key.k2 { top: 45.25%; } .watch .key.k3 { top: 68.5%; }
.watch .key.l1 { right: auto; left: -2.6%; top: 33%; } .watch .key.l2 { right: auto; left: -2.6%; top: 57%; }

/* ------------------------------------------------------------ footer */
.foot { padding: 40px 0 56px; color: var(--mu); font-size: 15px; }
.foot a { color: var(--mu); }
.foot a:hover { color: var(--fg); }