/* Offplate site. Blue-and-white porcelain palette; light and dark follow the OS setting. */
:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #15203a;
  --muted: #4a5670;
  --cobalt: #1f3fa0;
  --cobalt-soft: #dde5f5;
  --glaze: #eaf0fa;
  --line: #c9d3e6;
  --done: #2f6b4c;
  --btn-bg: #1f3fa0;
  --btn-ink: #ffffff;
  --file-bg: #fbfcfe;
  --file-head: #e4eaf5;
  --focus: #d9480f;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1524;
    --surface: #152036;
    --ink: #e8edf6;
    --muted: #aab4c8;
    --cobalt: #a3b8ff;
    --cobalt-soft: #24345c;
    --glaze: #1a2742;
    --line: #2e3d5e;
    --done: #8fd3ad;
    --btn-bg: #a3b8ff;
    --btn-ink: #0e1524;
    --file-bg: #111a2d;
    --file-head: #1c2945;
    --focus: #ffb86b;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}
h1, h2, h3 {
  font-family: "Young Serif", Georgia, serif;
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.3rem, 6vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
a { color: var(--cobalt); text-underline-offset: 0.18em; }
code, pre, kbd { font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; font-size: 0.88em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: 16px; top: -60px;
  background: var(--btn-bg); color: var(--btn-ink); padding: 8px 14px; border-radius: 6px; z-index: 10;
}
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* Header */
.site-head { padding: 20px 0; }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-family: "Young Serif", Georgia, serif; font-size: 1.35rem; }
.brand svg { width: 30px; height: 30px; flex: none; }
.site-head nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 0.95rem; }
.site-head nav a:hover { color: var(--cobalt); text-decoration: underline; }
@media (max-width: 640px) { .site-head nav { display: none; } }

/* Buttons */
.btn {
  display: inline-block; background: var(--btn-bg); color: var(--btn-ink);
  font-weight: 600; text-decoration: none; padding: 14px 24px; border-radius: 999px;
  border: 2px solid var(--btn-bg); font-size: 1.05rem;
}
.btn:hover { filter: brightness(1.1); }
.btn-note { color: var(--muted); font-size: 0.95rem; margin-top: 12px; }

/* Hero */
.hero { padding: 32px 0 72px; border-top: 0; }
.hero-art { margin: 0; }
.hero .wrap { display: grid; gap: 48px; align-items: center; }
@media (min-width: 900px) { .hero .wrap { grid-template-columns: 1.05fr 0.95fr; } }
.hero .lede { font-size: 1.25rem; color: var(--muted); max-width: 34em; margin-bottom: 1.6em; }

/* The plate */
.plate {
  --size: min(100%, 440px);
  width: var(--size); aspect-ratio: 1; margin: 0 auto; border-radius: 50%;
  position: relative; display: grid; place-items: center;
  background:
    radial-gradient(circle, var(--surface) 0 60%, transparent 60.3%),
    repeating-conic-gradient(var(--cobalt) 0 4deg, transparent 4deg 10deg),
    var(--surface);
  box-shadow: 0 0 0 2px var(--cobalt), 0 24px 60px -30px rgba(21, 32, 58, 0.45);
}
.plate::before, .plate::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
}
.plate::before { inset: 9%; border: 2px solid var(--cobalt); }
.plate::after { inset: 19%; border: 1px solid var(--line); background: var(--glaze); }
.plate ul {
  position: relative; z-index: 1; list-style: none; margin: 0; padding: 0;
  width: 56%; font-size: clamp(0.8rem, 2.9vw, 0.98rem); line-height: 1.3;
}
.plate li { display: flex; justify-content: space-between; gap: 8px; padding: 0.45em 0; border-bottom: 1px dashed var(--line); }
.plate li:last-child { border-bottom: 0; }
.plate .tag { font-size: 0.8em; color: var(--muted); white-space: nowrap; }
.plate li.handled .item { text-decoration: line-through; text-decoration-color: var(--done); text-decoration-thickness: 2px; color: var(--muted); }
.plate li.handled .tag { color: var(--done); }
.plate-caption { text-align: center; color: var(--muted); font-size: 0.92rem; margin-top: 16px; }

@media (prefers-reduced-motion: no-preference) {
  .plate li.handled .item { animation: strike 0.6s ease-out both; }
  .plate li.handled .tag { animation: fadein 0.4s ease-out both; }
  .plate li.handled:nth-child(1) .item, .plate li.handled:nth-child(1) .tag { animation-delay: 0.7s; }
  .plate li.handled:nth-child(3) .item, .plate li.handled:nth-child(3) .tag { animation-delay: 1.3s; }
  .plate li.handled:nth-child(4) .item, .plate li.handled:nth-child(4) .tag { animation-delay: 1.9s; }
}
@keyframes strike { from { text-decoration-color: transparent; color: var(--ink); } }
@keyframes fadein { from { opacity: 0; } }

/* Sections */
section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-intro { max-width: 40em; color: var(--muted); font-size: 1.1rem; margin-bottom: 36px; }

/* What you get */
.get { display: grid; gap: 32px; }
@media (min-width: 900px) { .get { grid-template-columns: 1fr 1.2fr; gap: 56px; } }
.core {
  background: var(--cobalt-soft); border-radius: 20px; padding: 28px;
}
.core ul { margin: 0; padding-left: 1.2em; }
.core li { margin-bottom: 0.5em; }
.modules { margin: 0; }
.modules div { display: grid; gap: 2px 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.modules div:first-child { padding-top: 0; }
@media (min-width: 560px) { .modules div { grid-template-columns: 11rem 1fr; } }
.modules dt { font-weight: 600; }
.modules dd { margin: 0; color: var(--muted); }
.extras { display: grid; gap: 24px; margin-top: 40px; }
@media (min-width: 720px) { .extras { grid-template-columns: 1fr 1fr; } }
.extras p { color: var(--muted); margin: 0; }

/* Sample files */
.files { display: grid; gap: 24px; }
@media (min-width: 960px) { .files { grid-template-columns: 1fr 1fr; align-items: start; } }
.file { margin: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--file-bg); min-width: 0; }
.file figcaption {
  background: var(--file-head); padding: 10px 16px; font-family: "JetBrains Mono", ui-monospace, Consolas, monospace;
  font-size: 0.82rem; color: var(--muted); display: flex; align-items: center; gap: 10px;
}
.file figcaption::before {
  content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--cobalt); opacity: 0.6; flex: none;
}
.file pre { margin: 0; padding: 18px 16px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 0.8rem; line-height: 1.6; }
.file .h { color: var(--cobalt); font-weight: 700; }
.file .b { font-weight: 700; }
.file .m { color: var(--muted); }
.file .ok { color: var(--done); }
.files-note { color: var(--muted); font-size: 0.95rem; margin-top: 20px; }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; counter-reset: step; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li { counter-increment: step; position: relative; padding-top: 64px; }
.steps li::before {
  content: counter(step); position: absolute; top: 0; left: 0; width: 48px; height: 48px; border-radius: 50%;
  border: 2px solid var(--cobalt); color: var(--cobalt); display: grid; place-items: center;
  font-family: "Young Serif", Georgia, serif; font-size: 1.3rem;
}
.steps p { color: var(--muted); }
.steps code { background: var(--glaze); padding: 1px 6px; border-radius: 4px; color: var(--ink); }

/* Safety */
.safety { list-style: none; margin: 0; padding: 0; max-width: 46em; }
.safety li { padding: 16px 0 16px 40px; border-bottom: 1px solid var(--line); position: relative; }
.safety li::before {
  content: ""; position: absolute; left: 6px; top: 22px; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--done); box-shadow: inset 0 0 0 3px var(--bg), inset 0 0 0 8px var(--done);
}
.safety strong { display: block; }
.safety span { color: var(--muted); }

/* Audiences */
.who { display: grid; gap: 0; }
@media (min-width: 720px) { .who { grid-template-columns: 1fr 1fr; column-gap: 48px; } }
.who article { padding: 24px 0; border-bottom: 1px solid var(--line); }
.who p { color: var(--muted); margin-bottom: 0.5em; }
.who .domains { font-size: 0.92rem; color: var(--ink); margin: 0; }

/* Requirements */
.reqs { display: grid; gap: 32px; }
@media (min-width: 860px) { .reqs { grid-template-columns: 1fr 1fr; gap: 56px; } }
.reqs ul { margin: 0; padding-left: 1.2em; }
.reqs li { margin-bottom: 0.4em; }
.price-box { border: 2px solid var(--cobalt); border-radius: 20px; padding: 28px; }
.price { font-family: "Young Serif", Georgia, serif; font-size: 3rem; line-height: 1; margin: 0 0 8px; }
.price-box p { color: var(--muted); }

/* FAQ */
.faq { max-width: 46em; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; padding: 18px 32px 18px 0; font-weight: 600; list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 14px; font-size: 1.4rem; color: var(--cobalt);
}
.faq details[open] summary::after { content: "\2212"; }
.faq details p { color: var(--muted); margin: 0 0 18px; }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 0.92rem; }
.site-foot .wrap { display: grid; gap: 12px; }
.site-foot p { margin: 0; }
.site-foot nav a { margin-right: 20px; }

/* Plain document pages (license, privacy) */
.doc { max-width: 44em; padding: 24px 0 72px; }
.doc h1 { font-size: clamp(2rem, 5vw, 2.8rem); }
.doc h2 { font-size: 1.4rem; margin-top: 1.8em; }
.doc ol { padding-left: 1.4em; }
.doc li { margin-bottom: 0.5em; }
.doc blockquote { margin: 0 0 1.5em; padding: 14px 18px; border-left: 4px solid var(--cobalt); background: var(--glaze); border-radius: 0 8px 8px 0; }
.doc blockquote p:last-child { margin: 0; }
.reqs-note { margin-top: 1em; }