/* SPDX-FileCopyrightText: 2026 The weft authors */
/* SPDX-License-Identifier: MIT */

:root {
  color-scheme: light dark;
  --bg: #f7f6f2;
  --fg: #1d2333;
  --muted: #5b6273;
  --line: #d9d6cc;
  /* Brand colours (see public/brand/README.md); links use --accent for readable text. */
  --warp: #1f3bad;
  --weft: #c18215;
  --accent: #1f3bad;
  --on-accent: #ffffff;
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151f;
    --fg: #e6e8ee;
    --muted: #9aa1b2;
    --line: #283041;
    --warp: #3355db;
    --weft: #f6bb55;
    --accent: #8fb3ff;
    --on-accent: #11151f;
    --card: #171c28;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 4.5rem 1rem 3rem;
}

.mark {
  display: block;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1.5rem;
}

.mark .warp {
  fill: var(--warp);
}

.mark .weft,
.lockup .weft {
  fill: var(--weft);
}

.lockup .warp {
  fill: var(--warp);
}

.lockup .ink {
  fill: var(--fg);
}

.lockup {
  display: block;
  height: clamp(3rem, 12vw, 4.5rem);
  width: auto;
  max-width: 100%;
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.75rem 0 2rem;
  font-size: 1.25rem;
  color: var(--muted);
}

h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.125rem;
}

ul.principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

ul.principles li {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warp);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
}

ul.principles li:nth-child(even) {
  border-left-color: var(--weft);
}

ul.principles strong {
  display: block;
}

.status {
  display: inline-block;
  margin: 0;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.9375rem;
  color: var(--muted);
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 2px solid var(--weft);
  outline-offset: 2px;
}

code {
  font: 0.9375em ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

ol {
  padding-left: 1.25rem;
}

footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--muted);
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

/* Start page: one screen on any device. */
body.park {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

body.park main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 1rem;
  width: 100%;
}

body.park .tagline {
  margin: 0.75rem 0 1.25rem;
}

body.park .status {
  align-self: flex-start;
}

body.park .links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

body.park .links a {
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9375rem;
}

body.park .links a:hover {
  border-color: var(--accent);
}

body.park .links a.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

body.park footer {
  display: flex;
  gap: 1.25rem;
  padding: 1rem;
  border-top: 0;
}

/* Short screens (phones in landscape): tighten so everything stays on one screen. */
@media (max-height: 560px) {
  body.park main {
    padding: 1rem;
  }

  body.park .lockup {
    height: 2.5rem;
  }

  body.park .tagline {
    margin: 0.25rem 0 0.75rem;
    font-size: 1.0625rem;
  }

  body.park .links {
    margin-top: 1rem;
  }

  body.park footer {
    padding: 0.5rem 1rem;
  }
}