:root {
  --navy-950: #071521;
  --navy-900: #0b1e2d;
  --navy-800: #123247;
  --navy-700: #1b4555;
  --emerald-700: #08785f;
  --emerald-600: #0b9875;
  --emerald-100: #d9f1e9;
  --gold-500: #dcae55;
  --gold-300: #f1d18a;
  --ink: #122331;
  --ink-soft: #476171;
  --paper: #f6f7f3;
  --paper-warm: #ecefe8;
  --line: #d6ded8;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --link: #067b62;
  --measure: min(1180px, calc(100% - 3rem));
  --font-display: 'Sora', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  font-synthesis: none;
}

html[data-theme="dark"], html.dark {
  --ink: #e5eee9;
  --ink-soft: #a5bbb8;
  --paper: #081721;
  --paper-warm: #0c202b;
  --line: #24434d;
  --surface: #0f2835;
  --surface-raised: #143342;
  --link: #5ed0aa;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); line-height: 1.55; }
body, button, input { font-family: var(--font-body); }
a { color: var(--link); text-decoration-thickness: .09em; text-underline-offset: .16em; }
a:hover { color: var(--emerald-700); }
img { max-width: 100%; display: block; }
button { cursor: pointer; }
::selection { background: var(--gold-300); color: var(--navy-950); }

.site-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--paper) 92%, transparent); position: relative; z-index: 3; }
.header-inner { width: var(--measure); margin: 0 auto; min-height: 5.5rem; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; color: var(--ink); text-decoration: none; margin-right: auto; }
.brand:hover { color: var(--ink); }
.brand-mark { width: 2.7rem; height: 2.7rem; flex: 0 0 auto; }
.brand-name { font: 700 1.27rem/1 var(--font-display); letter-spacing: -.045em; }
.brand-name span { color: var(--emerald-600); }
.primary-nav { display: flex; align-items: center; gap: 1.4rem; }
.primary-nav a { color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: .91rem; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--emerald-600); }
.header-controls { display: flex; align-items: center; gap: .65rem; }
[data-theme-toggle], .menu-toggle { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: .55rem; width: 2.6rem; height: 2.6rem; font-size: 1.05rem; }
[data-theme-toggle] { font-size: 1rem; }
.menu-toggle { display: none; }

main { overflow-x: clip; }
.measure { width: var(--measure); margin-inline: auto; }
.rail-layout { width: var(--measure); margin-inline: auto; display: grid; grid-template-columns: minmax(0, 1fr) 11rem; gap: 2.25rem; align-items: start; padding-block: 3.3rem 5rem; }
.rail-layout:has([data-side-links][hidden]) { grid-template-columns: minmax(0, 1fr); }
[data-side-links][hidden] { display: none; }
.side-links { border-left: 2px solid var(--gold-500); padding: .2rem 0 .3rem 1rem; position: sticky; top: 1.5rem; }
.side-links h2 { margin: 0 0 .75rem; font: 700 .78rem/1.2 var(--font-mono); color: var(--gold-500); text-transform: uppercase; letter-spacing: .08em; }
.side-links ol { list-style: none; padding: 0; margin: 0; display: grid; gap: .65rem; }
.side-links a { color: var(--ink-soft); font-size: .86rem; line-height: 1.35; }

.eyebrow { color: var(--emerald-600); font: 700 .72rem/1.3 var(--font-mono); letter-spacing: .13em; text-transform: uppercase; margin: 0 0 .8rem; }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.045em; line-height: 1.08; }
h1 { font-size: clamp(2.8rem, 6vw, 5.8rem); margin: 0; max-width: 10ch; }
h2 { font-size: clamp(1.8rem, 3.2vw, 3.1rem); margin: 0 0 1rem; }
h3 { font-size: 1.25rem; margin: 0 0 .65rem; }
p { margin: 0 0 1rem; }
.lede { color: var(--ink-soft); font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.6; max-width: 44rem; }
.mono { font-family: var(--font-mono); }

.hero { background: var(--navy-950); color: #f6faf7; position: relative; isolation: isolate; min-height: 39rem; display: grid; align-items: end; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg, rgba(7,21,33,.98) 0%, rgba(7,21,33,.84) 43%, rgba(7,21,33,.28) 100%), url('https://imagedelivery.net/W0Tyu0H3jD0178dqoxnJSA/99c3379a-a367-4f98-d7c2-4e978e4a7b00/public') center/cover; }
.hero::after { content: ''; position: absolute; inset: auto 0 0; height: 35%; z-index: -1; background: linear-gradient(transparent, rgba(7,21,33,.7)); }
.hero-inner { width: var(--measure); margin: 0 auto; padding-block: 7rem 4.2rem; }
.hero .eyebrow { color: var(--gold-300); }
.hero h1 { max-width: 9ch; }
.hero-copy { max-width: 35rem; margin-top: 1.4rem; color: #c9d9d5; font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; border: 1px solid transparent; border-radius: .45rem; min-height: 3rem; padding: .75rem 1.1rem; font-weight: 700; text-decoration: none; font-size: .92rem; }
.button-primary { background: var(--gold-500); color: var(--navy-950); }
.button-primary:hover { background: var(--gold-300); color: var(--navy-950); }
.button-quiet { border-color: #55716f; color: #f6faf7; background: rgba(255,255,255,.04); }
.button-quiet:hover { border-color: var(--gold-300); color: #fff; }

.section { padding-block: 5.2rem; }
.section-tint { background: var(--paper-warm); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 2rem; }
.section-heading h2 { max-width: 15ch; }
.section-heading p { max-width: 32rem; color: var(--ink-soft); margin-bottom: .2rem; }
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 3.4rem; }
.stat { background: var(--surface); padding: 1.5rem; }
.stat strong { display: block; color: var(--emerald-600); font: 700 2rem/1 var(--font-display); }
.stat span { display: block; color: var(--ink-soft); font-size: .9rem; margin-top: .5rem; }

.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: 1rem; }
.guide-card { background: var(--surface); border: 1px solid var(--line); padding: 1.5rem; min-height: 14.5rem; display: flex; flex-direction: column; }
.guide-card:hover { border-color: var(--emerald-600); transform: translateY(-2px); transition: .2s ease; }
.guide-card .sport-icon { color: var(--gold-500); font: 700 1.35rem/1 var(--font-mono); }
.guide-card h3 { margin-top: auto; }
.guide-card p { color: var(--ink-soft); font-size: .92rem; margin-bottom: 0; }
.guide-card a { color: var(--ink); text-decoration: none; }
.guide-card a:hover { color: var(--emerald-600); }

.split-band { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(18rem, .9fr); gap: 3rem; align-items: center; }
.photo-frame { min-height: 27rem; background: var(--navy-900); position: relative; overflow: hidden; }
.photo-frame img { width: 100%; height: 100%; min-height: 27rem; object-fit: cover; }
.photo-frame::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(9,59,60,.22), transparent 55%); pointer-events: none; }
.check-list { list-style: none; padding: 0; margin: 1.8rem 0 0; display: grid; gap: 1rem; }
.check-list li { display: grid; grid-template-columns: 1.5rem 1fr; gap: .7rem; align-items: start; }
.check-list li::before { content: '↗'; display: grid; place-items: center; width: 1.4rem; height: 1.4rem; color: var(--navy-950); background: var(--gold-500); font-weight: 700; border-radius: 50%; }
.check-list strong { display: block; font-size: .97rem; }
.check-list span { display: block; color: var(--ink-soft); font-size: .9rem; margin-top: .15rem; }

.callout { background: var(--navy-900); color: #eef7f2; padding: 2.4rem; display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.callout h2 { max-width: 16ch; margin-bottom: 0; }
.callout p { color: #b7ccc7; max-width: 32rem; }
.callout .button { flex: 0 0 auto; }

.page-intro { background: var(--navy-950); color: #f6faf7; padding: 5.2rem max(calc((100% - 1180px) / 2), 1.5rem) 4.2rem; }
.page-intro h1 { max-width: 14ch; }
.page-intro .lede { color: #b9cfca; margin-top: 1rem; }

.kicker { color: var(--gold-500); font: 700 .74rem/1.2 var(--font-mono); letter-spacing: .09em; text-transform: uppercase; }
.rule-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.rule-row { display: grid; grid-template-columns: 4.2rem minmax(0, 1fr) 7rem; gap: 1rem; align-items: start; border-bottom: 1px solid var(--line); padding: 1.25rem 0; }
.rule-row .number { color: var(--gold-500); font: 700 .95rem var(--font-mono); }
.rule-row p { color: var(--ink-soft); font-size: .94rem; margin: 0; }
.rule-row strong { font-family: var(--font-display); font-size: 1.05rem; }
.rule-row .tag { color: var(--emerald-600); font: 700 .7rem var(--font-mono); text-transform: uppercase; text-align: right; }

.strategy-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr); gap: 3rem; align-items: start; }
.strategy-list { display: grid; gap: 1rem; }
.strategy-card { background: var(--surface); border-left: 3px solid var(--emerald-600); padding: 1.3rem 1.4rem; }
.strategy-card h3 { font-size: 1.1rem; }
.strategy-card p { color: var(--ink-soft); font-size: .94rem; margin: 0; }
.calculator { background: var(--navy-900); color: #eff7f2; padding: 1.6rem; position: sticky; top: 1.5rem; }
.calculator h2 { color: #fff; font-size: 1.7rem; }
.calculator label { color: #b7ccc7; display: grid; gap: .35rem; font-size: .83rem; margin-top: 1rem; }
.calculator input { width: 100%; border: 1px solid #3a5a62; background: #102b38; color: #fff; border-radius: .35rem; padding: .7rem .75rem; font: 500 .95rem var(--font-mono); }
.calculator output { display: block; border-top: 1px solid #3a5a62; margin-top: 1.3rem; padding-top: 1.2rem; color: var(--gold-300); font: 700 clamp(1.6rem, 3vw, 2.4rem) var(--font-display); }
.calculator small { color: #9bb4af; display: block; font-size: .78rem; line-height: 1.4; }

.archive-toolbar { display: flex; gap: .7rem; flex-wrap: wrap; margin-bottom: 2rem; }
.archive-toolbar input { min-height: 3rem; flex: 1 1 15rem; border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: .7rem .9rem; border-radius: .35rem; font-size: .95rem; }
.filter-list { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.filter-list a { border: 1px solid var(--line); color: var(--ink-soft); padding: .4rem .65rem; border-radius: 2rem; text-decoration: none; font: 500 .77rem var(--font-mono); }
.filter-list a:hover { border-color: var(--emerald-600); color: var(--emerald-600); }
.archive-results, .news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 1rem; align-items: start; }
.story-card { border: 1px solid var(--line); background: var(--surface); padding-bottom: 1.1rem; }
.story-image { display: block; position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--navy-800); }
.story-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.story-card .story-meta, .story-card h2, .story-card p { margin-inline: 1.1rem; }
.story-meta { display: flex; align-items: center; flex-wrap: wrap; gap: .45rem .7rem; color: var(--ink-soft); font: 700 .68rem var(--font-mono); text-transform: uppercase; letter-spacing: .04em; margin-top: 1rem; }
.category-label { color: var(--emerald-600); }
.story-card h2 { font: 700 1.2rem/1.2 var(--font-display); margin-top: .55rem; margin-bottom: .55rem; }
.story-card h2 a { color: var(--ink); text-decoration: none; }
.story-card p { color: var(--ink-soft); font-size: .9rem; margin-bottom: 0; }
.empty-state { color: var(--ink-soft); padding: 1.5rem; border: 1px dashed var(--line); background: var(--surface); }

.article-shell { max-width: 850px; }
.article-header h1 { max-width: 18ch; font-size: clamp(2.5rem, 5vw, 4.6rem); }
.article-deck { color: var(--ink-soft); font-size: 1.2rem; max-width: 42rem; margin-top: 1.1rem; }
.article-cover { aspect-ratio: 16 / 7; margin: 2rem 0; overflow: hidden; background: var(--navy-900); }
.article-cover img { width: 100%; height: 100%; object-fit: cover; }
.byline { display: flex; align-items: center; gap: .8rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1rem 0; margin: 1.5rem 0 2.3rem; }
.byline[hidden] { display: none; }
.byline img { width: 2.7rem; height: 2.7rem; border-radius: 50%; object-fit: cover; background: var(--paper-warm); }
.byline strong { font-family: var(--font-display); }
.byline p { margin: 0; color: var(--ink-soft); font-size: .82rem; }
.prose { max-width: 720px; }
.prose p, .prose li { font-size: 1.08rem; line-height: 1.8; }
.prose p { margin-bottom: 1.35rem; }
.prose h2 { font-size: 2rem; margin-top: 2.8rem; }
.prose h3 { margin-top: 2rem; }
.prose a { color: var(--link); font-weight: 600; }
.prose blockquote { border-left: 3px solid var(--gold-500); margin: 2rem 0; padding: .5rem 1.25rem; font: 600 1.2rem/1.5 var(--font-display); }

.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--ink-soft); font-size: .83rem; }
.footer-inner { width: var(--measure); margin: 0 auto; display: flex; justify-content: space-between; gap: 1rem; }
.footer-inner p { margin: 0; }
.footer-note { color: var(--ink-soft); max-width: 30rem; text-align: right; }

.not-found { text-align: center; padding-block: 6rem; }
.not-found h1 { max-width: none; font-size: clamp(3rem, 8vw, 7rem); color: var(--emerald-600); }
.not-found p { color: var(--ink-soft); max-width: 32rem; margin: 1rem auto 2rem; }

@media (max-width: 800px) {
  :root { --measure: min(100% - 2rem, 680px); }
  .header-inner { min-height: 4.7rem; gap: .75rem; }
  .primary-nav { display: none; position: absolute; left: 1rem; right: 1rem; top: calc(100% + 1px); padding: 1rem; background: var(--surface); border: 1px solid var(--line); box-shadow: 0 1rem 2rem rgba(7,21,33,.12); }
  .primary-nav.is-open { display: grid; gap: .9rem; }
  .menu-toggle { display: block; }
  .brand-name { font-size: 1.08rem; }
  .brand-mark { width: 2.35rem; height: 2.35rem; }
  .rail-layout { grid-template-columns: minmax(0, 1fr); padding-block: 2.5rem 3.5rem; }
  .side-links { position: static; }
  .rail-layout:has([data-side-links][hidden]) { grid-template-columns: minmax(0, 1fr); }
  .hero { min-height: 35rem; }
  .hero-inner { padding-block: 5.8rem 3rem; }
  .hero h1 { font-size: clamp(2.9rem, 13vw, 4.5rem); }
  .section { padding-block: 3.7rem; }
  .section-heading, .split-band, .strategy-grid { display: block; }
  .section-heading p { margin-top: 1rem; }
  .split-band > * + *, .strategy-grid > * + * { margin-top: 2rem; }
  .photo-frame { min-height: 20rem; }
  .photo-frame img { min-height: 20rem; }
  .callout { display: block; }
  .callout .button { margin-top: .5rem; }
  .stat-strip { grid-template-columns: 1fr; }
  .rule-row { grid-template-columns: 2.6rem minmax(0, 1fr); }
  .rule-row .tag { grid-column: 2; text-align: left; }
  .calculator { position: static; }
  .footer-inner { display: block; }
  .footer-note { text-align: left; margin-top: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .18s; }