/* Pythia's website. Colors from the app icon; light and dark follow the system. */

:root {
  --bg: #ffffff;
  --bg-soft: #f3f6fa;
  --card: #ffffff;
  --text: #132033;
  --muted: #586579;
  --border: #dde4ee;
  --accent: #2463b8;
  --accent-hover: #1c4f94;
  --accent-text: #1f5aa8;
  --accent-soft: #e5eefa;
  --on-accent: #ffffff;
  --gold: #e0a100;
  --code-bg: #edf1f6;
  --hero-from: #e3eefb;
  --shot-shadow: 0 24px 60px -20px rgba(19, 32, 51, 0.35), 0 2px 6px rgba(19, 32, 51, 0.08);
  --final-from: #2463b8;
  --final-to: #17407a;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e131a;
    --bg-soft: #131a23;
    --card: #161e28;
    --text: #e4e9f0;
    --muted: #9ba7b6;
    --border: #253141;
    --accent: #4a9bea;
    --accent-hover: #6bb0f0;
    --accent-text: #7cb8f3;
    --accent-soft: #192a3f;
    --on-accent: #08111d;
    --gold: #ffd166;
    --code-bg: #1d2633;
    --hero-from: #142235;
    --shot-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px #253141;
    --final-from: #1d4f91;
    --final-to: #112f57;
  }
}

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

html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent-text); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }

code {
  font: 0.88em var(--mono);
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  overflow-wrap: anywhere;
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; letter-spacing: -0.01em; text-wrap: balance; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.1rem; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 780px; }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 10; background: var(--card); padding: 8px 12px; }

/* Header */

.top {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.brand:hover { color: var(--text); }
.top nav { display: flex; align-items: center; gap: 22px; }
.top nav a:not(.btn) { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.top nav a:not(.btn):hover { color: var(--text); }
@media (max-width: 560px) { .top nav a:not(.btn) { display: none; } }

/* Buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 8px;
  font-weight: 600; font-size: 0.98rem; text-decoration: none;
  border: 1px solid transparent; transition: background 0.15s, border-color 0.15s;
}
.btn-small { padding: 6px 14px; font-size: 0.9rem; }
.btn-large { padding: 13px 24px; font-size: 1.05rem; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); color: var(--on-accent); }
.btn-secondary { background: var(--card); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--text); }
.btn-light { background: #ffffff; color: #17407a; }
.btn-light:hover { background: #e9f1fc; color: #17407a; }
.btn-ghost { color: #ffffff; border-color: rgba(255, 255, 255, 0.55); }
.btn-ghost:hover { color: #ffffff; border-color: #ffffff; background: rgba(255, 255, 255, 0.08); }

/* Hero */

.hero { background: linear-gradient(180deg, var(--hero-from) 0%, var(--bg) 70%); padding: 64px 0 24px; }
.hero-text { text-align: center; max-width: 820px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; font-weight: 700; color: var(--accent-text); margin: 0 0 14px; }
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); letter-spacing: -0.025em; margin-bottom: 18px; }
.hero h1 .accent { color: var(--accent); }
.lead { font-size: 1.12rem; color: var(--muted); margin: 0 auto 28px; max-width: 720px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.hero-note { color: var(--muted); font-size: 0.9rem; margin: 14px 0 0; }
.chips { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: center; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }
.chips a { color: inherit; }
.hero-shot { margin: 44px auto 0; max-width: 1080px; }
.hero-shot img { border-radius: 10px; box-shadow: var(--shot-shadow); }

/* Databases */

.databases { padding: 32px 0 8px; text-align: center; }
.small-title { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 14px; }
.pills { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.pills li { border: 1px solid var(--border); background: var(--card); border-radius: 999px; padding: 5px 14px; font-size: 0.92rem; }
.pills-note { color: var(--muted); font-size: 0.88rem; max-width: 640px; margin: 14px auto 0; }

/* Sections */

.section { padding: 72px 0; }
.section-tight { padding-top: 0; }
.section-soft { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-lead { color: var(--muted); font-size: 1.05rem; margin: 0 0 32px; max-width: 680px; }

.grid { display: grid; gap: 18px; }
.cards { grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 22px 10px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0 0 12px; font-size: 0.96rem; }

.shots { grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 26px 20px; }
.shots figure { margin: 0; }
.shots img { border-radius: 8px; border: 1px solid var(--border); aspect-ratio: 16 / 10; object-fit: cover; object-position: top left; width: 100%; }
.shots a:hover img { border-color: var(--accent); }
.shots figcaption { font-size: 0.9rem; color: var(--muted); margin-top: 10px; }
.shots figcaption strong { color: var(--text); }

.checks { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); gap: 16px 36px; }
.checks li { position: relative; padding-left: 34px; color: var(--muted); }
.checks li strong { color: var(--text); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 14px no-repeat;
}

.highlights { padding-left: 1.2em; margin: 0 0 24px; }
.highlights li { margin-bottom: 10px; color: var(--muted); }
.highlights li strong { color: var(--text); }
.highlights li::marker { color: var(--gold); }

/* Downloads */

.flavor-radio { position: absolute; opacity: 0; pointer-events: none; }
.flavor-switch { display: inline-flex; padding: 4px; gap: 4px; border: 1px solid var(--border); background: var(--card); border-radius: 10px; margin-bottom: 12px; }
.flavor-switch label { white-space: nowrap; padding: 7px 16px; border-radius: 7px; cursor: pointer; font-weight: 600; font-size: 0.93rem; color: var(--muted); user-select: none; }
.flavor-switch label:hover { color: var(--text); }
#flavor-std:checked ~ .flavor-switch label[for="flavor-std"],
#flavor-ic:checked ~ .flavor-switch label[for="flavor-ic"] { background: var(--accent); color: var(--on-accent); }
#flavor-std:focus-visible ~ .flavor-switch label[for="flavor-std"],
#flavor-ic:focus-visible ~ .flavor-switch label[for="flavor-ic"] { outline: 2px solid var(--accent); outline-offset: 2px; }
#flavor-std:checked ~ * .flavor-ic, #flavor-std:checked ~ .flavor-ic,
#flavor-ic:checked ~ * .flavor-std, #flavor-ic:checked ~ .flavor-std { display: none; }
@media (max-width: 420px) { .flavor-switch label { padding: 7px 10px; font-size: 0.88rem; } }
.flavor-note { color: var(--muted); font-size: 0.93rem; margin: 0 0 24px; min-height: 3em; max-width: 720px; }

.platforms { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.platform { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.platform.is-yours { border: 2px solid var(--accent); padding: 21px; }
.platform h3 { font-size: 1.25rem; margin-bottom: 2px; display: flex; align-items: center; gap: 10px; }
.platform.is-yours h3::after { content: "Your system"; font-size: 0.72rem; font-weight: 600; color: var(--accent-text); background: var(--accent-soft); padding: 2px 8px; border-radius: 999px; }
.platform-req { color: var(--muted); font-size: 0.88rem; margin: 0 0 14px; }
.files { list-style: none; padding: 0; margin: 0; }
.files li { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; padding: 7px 0; border-top: 1px solid var(--border); }
.files li:first-child { border-top: 0; }
.files a { font-weight: 600; }
.files .size { color: var(--muted); font-size: 0.85rem; white-space: nowrap; }

.download-foot { color: var(--muted); font-size: 0.93rem; margin: 24px 0 0; }

details { border-bottom: 1px solid var(--border); }
details summary { cursor: pointer; font-weight: 600; padding: 16px 0; list-style-position: outside; }
details summary:hover { color: var(--accent-text); }
details > p, details > div { color: var(--muted); margin: 0 0 18px; }
.first-launch { margin-top: 24px; border: 1px solid var(--border); background: var(--card); border-radius: var(--radius); padding: 0 20px; }
.first-launch ul { padding-left: 1.2em; }
.first-launch li { margin-bottom: 8px; }

/* Help, final call */

.callout { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; background: var(--accent-soft); border-radius: 16px; padding: 36px 40px; }
.callout > div:first-child { flex: 1 1 420px; }
.callout p { color: var(--muted); margin: 0; }
.callout-actions { display: flex; flex-wrap: wrap; gap: 10px; }
@media (max-width: 560px) { .callout { padding: 28px 22px; } }

#faq { padding-top: 24px; }
#faq h2 { margin-bottom: 12px; }

.final { text-align: center; color: #ffffff; background: linear-gradient(135deg, var(--final-from), var(--final-to)); border-radius: 18px; padding: 56px 24px; }
.final h2 { color: #ffffff; }
.final p { color: rgba(255, 255, 255, 0.85); margin: 0 0 24px; font-size: 1.08rem; }

/* Footer */

.foot { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 36px 0 44px; font-size: 0.9rem; color: var(--muted); }
.foot-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.foot nav a { color: var(--muted); }
.foot .legal { font-size: 0.8rem; margin-bottom: 0; }