/* Protoporos: deep Aegean navy, warm amber, sea-glass teal. System fonts: no third-party requests. */
:root {
  --bg: #F7F5F0; --ink: #0E2238; --ink2: #3D5068; --ink3: #6B7A8C; --line: #E2DED4; --card: #FFFFFF;
  --accent: #C9861B; --accent-ink: #8A5A0C; --teal: #2F8FA3; --hero: #0E2238; --hero-ink: #F4F1EA;
  --radius: 14px; --max: 1080px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0B1726; --ink: #EEF1F4; --ink2: #B6C2CF; --ink3: #8696A8; --line: #1E3048; --card: #112236;
          --accent: #E5A93B; --accent-ink: #F2C46E; --teal: #4FB3C8; --hero: #08111D; --hero-ink: #F4F1EA; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6; font-size: 17px; }
a { color: var(--teal); }
.wrap { max-width: var(--max); margin: 0 auto; padding-left: max(20px, env(safe-area-inset-left)); padding-right: max(20px, env(safe-area-inset-right)); }
.narrow { max-width: 760px; }

.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: .02em; color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.brand .mark { color: var(--accent); font-size: 16px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--ink2); text-decoration: none; font-weight: 600; font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 6px; text-decoration-thickness: 2px; }

.hero { background: var(--hero); color: var(--hero-ink); padding-block: 88px 72px; }
.hero h1 { font-size: clamp(32px, 5.2vw, 56px); line-height: 1.08; margin: 8px 0 18px; max-width: 18ch; text-wrap: balance; }
.hero .hl { color: #E5A93B; }
.hero .lead { color: #C9D3DE; max-width: 62ch; font-size: 19px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 13px; font-weight: 700; color: var(--accent); margin: 0; }
.hero .eyebrow { color: #4FB3C8; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn { display: inline-block; background: var(--accent); color: #111; font-weight: 700; padding: 12px 20px; border-radius: 999px; text-decoration: none; }
.btn.ghost { background: transparent; color: inherit; border: 2px solid currentColor; }
.hero .btn.ghost { color: var(--hero-ink); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-block: -36px 56px; }
.stats div { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: 0 6px 24px rgba(14, 34, 56, .07); }
.stats strong { display: block; font-size: 26px; color: var(--accent-ink); }
.stats span { color: var(--ink2); font-size: 15px; }

.section-title { font-size: 30px; margin: 0 0 18px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-bottom: 64px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; text-decoration: none; color: inherit; transition: transform .15s, border-color .15s; }
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card h3 { margin: 0 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--ink2); font-size: 15.5px; }

.feature { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; margin-bottom: 64px; }
.feature h2 { margin: 6px 0 10px; font-size: 28px; }
.ticks { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ticks li { padding-left: 28px; position: relative; color: var(--ink2); }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 800; }
@media (max-width: 760px) { .feature { grid-template-columns: 1fr; padding: 22px; } }

.closing { text-align: center; padding-block: 24px 80px; }
.closing h2 { font-size: 30px; margin-bottom: 6px; }
.closing p { color: var(--ink2); max-width: 56ch; margin: 0 auto 20px; }

.page-head { background: var(--hero); color: var(--hero-ink); padding-block: 56px 40px; margin-bottom: 36px; }
.page-head h1 { margin: 0; font-size: clamp(30px, 4.5vw, 44px); text-wrap: balance; }
.page-head .lead { color: #C9D3DE; font-size: 19px; margin: 10px 0 0; max-width: 62ch; }
.prose { padding-bottom: 72px; }
.prose h2 { font-size: 26px; margin-top: 44px; border-top: 1px solid var(--line); padding-top: 28px; }
.prose h2:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.prose h3 { font-size: 20px; margin-top: 28px; }
.prose li { margin-block: 4px; }
.prose .meta { color: var(--ink3); font-size: 15px; }
.prose .box { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; padding: 14px 18px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15px; display: block; overflow-x: auto; }
.prose th, .prose td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }

.site-footer { border-top: 1px solid var(--line); padding-block: 28px 40px; color: var(--ink2); font-size: 14.5px; }
.foot { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot-links { display: flex; flex-direction: column; gap: 4px; text-align: right; }
@media (max-width: 640px) { .foot-links { text-align: left; } }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 20px; margin-bottom: 36px; }
.toc summary { font-weight: 700; cursor: pointer; }
.toc ol, .toc ul { margin: 10px 0 0; padding-left: 22px; columns: 2 220px; column-gap: 28px; }
.toc ul ul { display: none; }
.toc li { margin-block: 3px; break-inside: avoid; }
.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--accent-ink); text-decoration: underline; }
.prose h2, .prose h3 { scroll-margin-top: 16px; }
.shots { display: flex; flex-wrap: wrap; gap: 16px; margin: 18px 0 8px; }
.shots figure { margin: 0; flex: 0 1 220px; min-width: 0; }
.shots img { display: block; width: 100%; height: auto; border-radius: 18px; border: 1px solid var(--line); background: #0e1116; }
.shots figcaption { font-size: 13px; color: var(--ink3); margin-top: 6px; line-height: 1.35; }
@media (max-width: 520px) { .shots figure { flex-basis: calc(50% - 8px); } }