/* weathermapping.com – same tokens, type and controls as the app (weathermapping-py/web/src/styles.css) */
:root {
  --ink: #14213d;
  --ink-2: #22335a;
  --ink-3: #2d4170;
  --paper: #edf1f4;
  --panel: #ffffff;
  --rule: #cdd6df;
  --rule-soft: #e3e8ee;
  --text: #14213d;
  --muted: #5a6b7d;
  --on-ink: #dce4ef;
  --on-ink-muted: #9fb0c8;
  --signal: #c98a00;
  --signal-hi: #e0a21a;
  --danger: #b3261e;
  --ok: #2e7d4f;
  --focus: #1f5fbf;
  --r-s: 4px;
  --r-m: 6px;
  --r-l: 10px;
  --wrap: 1160px;
  --head-h: 64px;
  /* legend ramps from api/wm/registry (turbo = precipitation, coldhot = temperature departures) */
  --turbo: linear-gradient(90deg, #30123b, #4143a7, #4771e9, #3e9bfe, #22c5e2, #1ae4b6, #46f884, #88ff4e, #b9f635, #e1dd37, #faba39, #fd8d27, #f05b12, #d63506, #af1801, #7a0403);
  --coldhot: linear-gradient(90deg, #313695, #4575b4, #74add1, #abd9e9, #e0f3f8, #ffffbf, #fee090, #fdae61, #f46d43, #d73027, #a50026);
  --ylgn: linear-gradient(90deg, #ffffe5, #e4f4ab, #a2d889, #4bb062, #14783e, #004529);
  --blues: linear-gradient(90deg, #f7fbff, #cfe1f2, #93c4de, #4a97c9, #1664ab, #08306b);
  --magma: linear-gradient(90deg, #000004, #3b0f70, #8c2981, #de4968, #fe9f6d, #fcfdbf);
  --brbg: linear-gradient(90deg, #543005, #bf812d, #f6e8c3, #c7eae5, #35978f, #003c30);
  --rdbu: linear-gradient(90deg, #67001f, #d6604d, #fddbc7, #d1e5f0, #4393c3, #053061);
  --viridis: linear-gradient(90deg, #440154, #414487, #2a788e, #22a884, #7ad151, #fde725);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--head-h) + 16px); }
body {
  margin: 0; font-family: "Public Sans", system-ui, sans-serif; font-size: 16px; line-height: 1.6;
  color: var(--text); background: var(--paper); -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}
img { max-width: 100%; display: block; }
a { color: var(--focus); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.005em; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 62ch; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.eyebrow::before { content: ""; width: 22px; height: 6px; border-radius: 2px; background: var(--turbo); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: var(--r-s); }

/* ---------------------------------------------------------- buttons (as in the app) */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px;
  border: 1px solid var(--rule); border-radius: var(--r-s); background: #fff; color: var(--text);
  font: inherit; font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { border-color: #93a3b4; }
.btn.primary { background: var(--signal); border-color: var(--signal); color: var(--ink); }
.btn.primary:hover { background: var(--signal-hi); border-color: var(--signal-hi); }
.btn.on-ink { background: transparent; border-color: rgba(255, 255, 255, 0.28); color: #fff; }
.btn.on-ink:hover { border-color: rgba(255, 255, 255, 0.6); }
.btn.big { padding: 14px 22px; font-size: 16px; }
.btn:disabled { opacity: 0.55; cursor: default; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.fine { font-size: 13.5px; color: var(--muted); margin: 12px 0 0; }

/* ---------------------------------------------------------- header */
.site-head { position: sticky; top: 0; z-index: 50; height: var(--head-h); background: var(--ink); color: var(--on-ink); }
#header { min-height: var(--head-h); background: var(--ink); }
.site-head .wrap { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.brand img { width: 30px; height: auto; filter: invert(1); opacity: 0.95; }
.site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-nav a {
  color: var(--on-ink); text-decoration: none; font-size: 14.5px; font-weight: 500; padding: 8px 12px;
  border-radius: var(--r-m);
}
.site-nav a:hover { background: var(--ink-2); color: #fff; }
.site-nav a[aria-current="page"] { color: #fff; box-shadow: inset 0 -2px 0 var(--signal); border-radius: 0; }
.site-nav .sep { width: 1px; height: 22px; background: rgba(255, 255, 255, 0.16); margin: 0 8px; }
.site-nav a.btn.primary { color: var(--ink); padding: 8px 14px; font-size: 14.5px; margin-left: 6px; border-radius: var(--r-s); }
.site-nav a.btn.primary:hover { background: var(--signal-hi); }
.nav-toggle {
  display: none; margin-left: auto; background: none; border: 1px solid rgba(255, 255, 255, 0.25); color: #fff;
  border-radius: var(--r-s); padding: 7px 10px; font: inherit; font-size: 14px; cursor: pointer;
}

/* ---------------------------------------------------------- hero (ink band with isobars, like the app sign-in) */
.hero { position: relative; overflow: hidden; background: var(--ink); color: var(--on-ink); padding: 72px 0; }
.hero h1 { color: #fff; max-width: 15ch; }
.hero .lede { color: var(--on-ink-muted); margin-top: 18px; }
.hero .eyebrow { color: var(--on-ink-muted); }
.hero .fine { color: var(--on-ink-muted); }
.hero svg.iso { position: absolute; right: -120px; top: -80px; width: 760px; opacity: 0.55; pointer-events: none; }
.hero .wrap { position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.page-hero { padding: 64px 0 56px; }
.page-hero h1 { max-width: 20ch; }

/* app window frame around screenshots */
.frame {
  background: #fff; border: 1px solid var(--rule); border-radius: var(--r-l); overflow: hidden;
  box-shadow: 0 24px 60px rgba(20, 33, 61, 0.18);
}
.frame-bar {
  display: flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; background: var(--paper);
  border-bottom: 1px solid var(--rule); font-size: 12px; color: var(--muted);
}
.frame-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--rule); }
.frame-bar span { margin-left: 8px; }
.hero .frame { border-color: rgba(255, 255, 255, 0.12); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35); }
.hero .frame img { width: 100%; height: auto; }
.frame img { height: auto; }
figure { margin: 0; }
figcaption { font-size: 13.5px; color: var(--muted); margin-top: 10px; }

/* legend ruler, as drawn under app maps */
.ruler { height: 10px; border-radius: 2px; border: 1px solid rgba(20, 33, 61, 0.2); }
.ruler.turbo { background: var(--turbo); }
.ruler.coldhot { background: var(--coldhot); }
.legend-strip { height: 6px; background: var(--turbo); }

/* ---------------------------------------------------------- sections */
.band { padding: 88px 0; }
.band.white { background: var(--panel); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.band.ink { background: var(--ink); color: var(--on-ink); }
.band.ink h2, .band.ink h3 { color: #fff; }
.band.ink .lede, .band.ink .muted { color: var(--on-ink-muted); }
.band.ink .eyebrow { color: var(--on-ink-muted); }
.band-head { margin-bottom: 40px; max-width: 760px; }
.band-head .lede { margin-top: 14px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.wide-media { grid-template-columns: 0.85fr 1.15fr; }

/* stats row */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--ink); }
.stats div { padding: 22px 20px 6px 0; }
.stats b { display: block; font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.stats span { color: var(--muted); font-size: 14.5px; }
.band.ink .stats, .hero .stats { border-top-color: var(--signal); }
.band.ink .stats b, .hero .stats b { color: #fff; }
.band.ink .stats span, .hero .stats span { color: var(--on-ink-muted); }

/* module index, as on the app's home page */
.index { border-top: 2px solid var(--ink); }
.index a, .index > div {
  display: grid; grid-template-columns: 34px 220px 1fr 20px; gap: 18px; align-items: baseline; padding: 18px 6px;
  border-bottom: 1px solid var(--rule); text-decoration: none; color: inherit;
}
.index a:hover { background: #fff; }
.index svg { width: 24px; height: 24px; stroke: var(--ink); fill: none; stroke-width: 1.6; align-self: center; }
.index .name { font-size: 1.12rem; font-weight: 600; }
.index .desc { color: var(--muted); }
.index .go { color: var(--muted); align-self: center; transition: transform 0.15s; }
.index a:hover .go { transform: translateX(3px); color: var(--ink); }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--panel); border: 1px solid var(--rule); border-radius: var(--r-m); padding: 24px; }
.card h3 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--muted); font-size: 15px; }
.card .ruler { margin-bottom: 16px; }
.band.ink .card { background: var(--ink-2); border-color: rgba(255, 255, 255, 0.1); }
.band.ink .card p { color: var(--on-ink-muted); }
.num { font-size: 12.5px; font-weight: 600; color: var(--signal); letter-spacing: 0.06em; margin-bottom: 10px; display: block; }

/* logos */
.logos { display: grid; grid-template-columns: repeat(9, 1fr); gap: 28px; align-items: center; }
.logos img { max-height: 40px; width: auto; margin: 0 auto; filter: grayscale(1); opacity: 0.7; mix-blend-mode: multiply; }

/* ---------------------------------------------------------- doc pages: side nav + modules */
.doc { display: grid; grid-template-columns: 220px 1fr; gap: 56px; padding: 56px 0 96px; }
.doc > div, .split > * { min-width: 0; }
.split.form-side { grid-template-columns: 1.2fr 1fr; }
.toc { position: sticky; top: calc(var(--head-h) + 24px); align-self: start; border-left: 2px solid var(--rule); }
.toc a {
  display: block; padding: 7px 0 7px 16px; margin-left: -2px; border-left: 2px solid transparent;
  color: var(--muted); text-decoration: none; font-size: 14.5px;
}
.toc a:hover { color: var(--text); }
.toc a.active { color: var(--text); border-left-color: var(--signal); font-weight: 600; }
.mod { padding: 0 0 64px; margin-bottom: 64px; border-bottom: 1px solid var(--rule); }
.mod:last-child { border-bottom: 0; margin-bottom: 0; }
.mod-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.mod-head .icon {
  width: 44px; height: 44px; border-radius: var(--r-m); background: var(--ink); display: grid; place-items: center; flex: none;
}
.mod-head .icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.6; }
.mod-head small { display: block; font-size: 12.5px; color: var(--muted); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.mod > p { max-width: 70ch; }
.mod figure { margin: 28px 0; }
.ticks { list-style: none; padding: 0; margin: 0 0 1em; display: grid; gap: 10px; max-width: 70ch; }
.ticks li { position: relative; padding-left: 26px; }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: 0.62em; width: 12px; height: 6px;
  border-left: 2px solid var(--signal); border-bottom: 2px solid var(--signal); transform: translateY(-50%) rotate(-45deg);
}
.ticks b { font-weight: 600; }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r-m); background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--rule-soft); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--rule); background: #f7f9fb; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; white-space: nowrap; }

/* code */
pre.code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13.5px; line-height: 1.55;
  background: var(--ink); color: #dce4ef; border-radius: var(--r-m); padding: 18px 20px; overflow-x: auto; margin: 0 0 1em;
}
pre.code .c { color: #8193ae; }

/* pipeline */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: s; border-top: 2px solid var(--ink); }
.steps div { padding: 18px 18px 0 0; }
.steps div::before { counter-increment: s; content: "0" counter(s); display: block; font-size: 12.5px; font-weight: 600; color: var(--signal); margin-bottom: 6px; }
.steps b { display: block; margin-bottom: 4px; }
.steps span { color: var(--muted); font-size: 14.5px; }

/* ---------------------------------------------------------- pricing */
.price-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; background: var(--panel); border: 1px solid var(--rule); border-radius: var(--r-l); overflow: hidden; box-shadow: 0 20px 50px rgba(20, 33, 61, 0.1); }
.price-main { padding: 40px; border-right: 1px solid var(--rule); }
.price-main .amount { display: flex; align-items: baseline; gap: 8px; margin: 18px 0 6px; }
.price-main .amount b { font-size: 3.4rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.price-main .amount span { color: var(--muted); }
.price-main .btn { width: 100%; margin-top: 22px; }
.price-list { padding: 40px; background: #f7f9fb; }
.price-list h3 { margin-bottom: 16px; font-size: 1rem; }
.pill { display: inline-block; font-size: 12.5px; font-weight: 600; background: #fdf3dc; color: #7a5300; border: 1px solid #f0d79c; border-radius: 999px; padding: 3px 10px; }

/* FAQ */
.faq { border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); padding: 0 4px; }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 600; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); max-width: 72ch; }

/* ---------------------------------------------------------- forms */
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 5px; }
.field > span { font-size: 13.5px; color: var(--muted); font-weight: 500; }
input[type="text"], input[type="email"], input[type="number"], textarea {
  width: 100%; border: 1px solid var(--rule); border-radius: var(--r-s); padding: 10px 12px; background: #fff;
  font: inherit; font-size: 15px; color: inherit; min-height: 42px;
}
input:hover, textarea:hover { border-color: #aebac7; }
textarea { resize: vertical; min-height: 140px; }
.form-msg { font-size: 14px; min-height: 1.4em; margin: 0; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--danger); }

/* ---------------------------------------------------------- closing CTA + footer */
.closer { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; padding: 80px 0; }
.closer h2 { color: #fff; max-width: 22ch; }
.closer p { color: var(--on-ink-muted); }
.closer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; position: relative; }
.closer svg.iso { position: absolute; left: -160px; bottom: -260px; width: 620px; opacity: 0.35; pointer-events: none; }
.site-foot { background: #0e1830; color: var(--on-ink-muted); font-size: 14px; }
.site-foot .legend-strip { height: 4px; }
.site-foot .wrap { padding-top: 44px; padding-bottom: 36px; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.site-foot h4 { color: #fff; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 12px; font-weight: 600; }
.site-foot a { color: var(--on-ink); text-decoration: none; display: block; padding: 3px 0; }
.site-foot a:hover { color: #fff; text-decoration: underline; }
.site-foot .brand { margin-bottom: 12px; }
.site-foot .base { border-top: 1px solid rgba(255, 255, 255, 0.08); }
.site-foot .base .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 22px; flex-wrap: wrap; }
.site-foot .base a { display: inline; }

/* ---------------------------------------------------------- responsive */
@media (max-width: 1000px) {
  .hero-grid, .split, .split.wide-media, .split.form-side { grid-template-columns: 1fr; gap: 36px; }
  .hero-copy { padding-bottom: 0; }
  .logos { grid-template-columns: repeat(5, 1fr); }
  .cards, .cards.four { grid-template-columns: repeat(2, 1fr); }
  .doc { grid-template-columns: 1fr; gap: 0; padding-top: 32px; }
  .toc { display: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .price-wrap { grid-template-columns: 1fr; }
  .price-main { border-right: 0; border-bottom: 1px solid var(--rule); }
  .site-foot .wrap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; top: var(--head-h); left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: var(--ink); padding: 8px 16px 16px; border-top: 1px solid rgba(255, 255, 255, 0.1); gap: 2px;
  }
  .site-nav.open { display: flex; }
  .site-nav .sep { display: none; }
  .site-nav a { padding: 12px; }
  .site-nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--signal); }
  .site-nav a.btn.primary { margin: 8px 0 0; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .band { padding: 64px 0; }
  .hero { padding-top: 48px; }
  .hero svg.iso { width: 520px; right: -220px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .index a, .index > div { grid-template-columns: 28px 1fr; gap: 6px 14px; }
  .index .desc { grid-column: 2; }
  .index .go { display: none; }
  .cards, .cards.two, .cards.four { grid-template-columns: 1fr; }
  .logos { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .price-main, .price-list { padding: 28px 22px; }
  .site-foot .wrap { grid-template-columns: 1fr; }
  td:first-child { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}