@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400 700; font-display: swap; src: url("../fonts/inter-latin.woff2") format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 500 700; font-display: swap; src: url("../fonts/space-grotesk-latin.woff2") format('woff2'); }

/* SportX — visual direction based on SportOS 360. */
 :root {
  color-scheme: dark;
  --bg: #020302;
  --surface: #0b100b;
  --ink: #ffffff;
  --muted: #adb6ad;
  --line: rgba(255,255,255,.14);
  --accent: #54B052;
  --accent-bright: #54B052;
  --chip-live: rgba(84,176,82,.14);
  --chip-road: rgba(255,255,255,.07);
  --pitch: #020302;
  --pitch-2: #0b100b;
  --on-pitch: #ffffff;
  --on-pitch-muted: #adb6ad;
  --display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --wrap: 1440px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }
body { background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 17px; line-height: 1.6; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--pitch); }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent-bright); outline-offset: 3px; border-radius: 0; }
.band { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: var(--wrap); margin-inline: auto; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; line-height: 1.02; }
h2 { font-size: clamp(38px, 5vw, 58px); font-weight: 800; text-transform: uppercase; letter-spacing: 0.01em; }
h3 { font-size: 26px; font-weight: 600; letter-spacing: 0.01em; }
p { margin: 0; }
.eyebrow { font-family: var(--mono); font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.lede { font-size: 19px; color: var(--muted); max-width: 62ch; }
section.block { padding-block: clamp(64px, 9vw, 112px); border-top: 1px solid var(--line); }
.head { display: grid; gap: 14px; margin-bottom: 44px; max-width: 820px; }

/* Announcement bar (Chem-X style consultation banner) */
.notice { background: var(--accent-bright); color: #0F1A14; padding-block: 10px; font-size: 15px; }
.notice .wrap { display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.notice b { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; margin-right: 10px; }
.notice a { color: #0F1A14; font-weight: 700; }
.notice button { background: transparent; border: 1.5px solid #0F1A14; color: #0F1A14; border-radius: 0; padding: 2px 12px; font: inherit; font-size: 13px; cursor: pointer; }

/* Header */
header.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 9; background: var(--pitch); color: var(--on-pitch); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 14px; }
.mark { font-family: var(--display); font-weight: 800; font-style: italic; font-size: 30px; letter-spacing: 0.02em; color: var(--on-pitch); text-decoration: none; line-height: 1; }
.mark span { color: var(--accent-bright); }
nav ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
nav a { color: var(--on-pitch-muted); text-decoration: none; font-size: 15px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
nav a:hover { color: var(--on-pitch); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 0; font-weight: 700; text-decoration: none; font-size: 16px; border: 2px solid transparent; }
.btn-primary { background: var(--accent-bright); color: #0F1A14; }
.btn-primary:hover { background: #6BC468; }
.btn-ghost { border-color: var(--on-pitch-muted); color: var(--on-pitch); }
.btn-ghost:hover { border-color: var(--on-pitch); }
.menu { display: none; }
@media (max-width: 900px) {
  nav ul { display: none; }
  .menu { display: block; position: relative; }
  .menu summary { list-style: none; cursor: pointer; color: var(--on-pitch); border: 1.5px solid var(--on-pitch-muted); border-radius: 0; padding: 6px 14px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; }
  .menu summary::-webkit-details-marker { display: none; }
  .menu ul { display: grid; gap: 14px; position: absolute; right: 0; top: 46px; background: var(--pitch-2); padding: 18px 22px; border-radius: 0; list-style: none; margin: 0; min-width: 200px; }
  .head-cta { display: none; }
}

/* Hero */
.hero { background: var(--pitch); color: var(--on-pitch); position: relative; overflow: hidden; }
.hero .court { position: absolute; inset: 0; pointer-events: none; opacity: 0.5; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 56px; align-items: end; padding-block: clamp(64px, 9vw, 120px); }
.hero h1 { font-size: clamp(52px, 7.4vw, 104px); font-weight: 800; font-style: italic; text-transform: uppercase; letter-spacing: -0.005em; }
.hero h1 em { font-style: italic; color: var(--accent-bright); }
.hero .sub { font-size: 21px; color: var(--on-pitch); max-width: 40ch; margin-top: 26px; }
.hero .sum { color: var(--on-pitch-muted); max-width: 56ch; margin-top: 16px; }
.hero .ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.board { background: var(--pitch-2); border: 1px solid #2B3C31; border-radius: 0; padding: 26px; display: grid; gap: 18px; }
.board .eyebrow { color: var(--accent-bright); }
.board dl { margin: 0; display: grid; gap: 16px; }
.board .row { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: baseline; border-bottom: 1px dashed #2B3C31; padding-bottom: 14px; }
.board .row:last-child { border-bottom: 0; padding-bottom: 0; }
.board dt { color: var(--on-pitch-muted); font-size: 15px; }
.board dd { margin: 0; font-family: var(--display); font-weight: 800; font-size: 44px; line-height: 1; color: var(--on-pitch); font-variant-numeric: tabular-nums; }
.board small { color: var(--on-pitch-muted); font-size: 12px; font-family: var(--mono); }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; gap: 40px; } }

/* Context */
.context { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.context p + p { margin-top: 16px; }
.gap-card { background: var(--surface); border: 1px solid var(--line); border-radius: 0; padding: 30px; }
.gap-card .big { font-family: var(--display); font-weight: 800; font-size: 96px; line-height: 0.9; color: var(--accent); }
.timeline { display: flex; align-items: center; gap: 0; margin-top: 22px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
.timeline .seg { flex: 1; height: 2px; background: var(--line); }
.timeline .dot { width: 14px; height: 14px; border-radius: 0; background: var(--accent-bright); flex: none; }
.timeline-labels { display: flex; justify-content: space-between; margin-top: 8px; font-family: var(--mono); font-size: 13px; color: var(--muted); }
@media (max-width: 860px) { .context { grid-template-columns: 1fr; } }

/* Goals */
.goals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 3px solid var(--ink); }
.goal { padding: 28px 28px 8px 0; display: grid; gap: 12px; align-content: start; }
.goal + .goal { padding-left: 28px; border-left: 1px solid var(--line); }
.goal .tag { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.goal p { color: var(--muted); }
@media (max-width: 860px) { .goals { grid-template-columns: 1fr; } .goal, .goal + .goal { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); } }

/* Use cases */
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.case { background: var(--surface); border: 1px solid var(--line); border-radius: 0; padding: 30px; display: grid; gap: 14px; align-content: start; }
.case .top-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.case .code { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.chip { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 10px; border-radius: 0; }
.chip.live { background: var(--chip-live); color: var(--accent); }
.chip.road { background: var(--chip-road); color: var(--muted); }
.case p { color: var(--muted); }
.case ul { margin: 0; padding-left: 20px; color: var(--ink); display: grid; gap: 6px; }
.case .who { font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; }
.case .who b { color: var(--ink); }
.case.wide { grid-column: 1 / -1; }
@media (max-width: 860px) { .cases { grid-template-columns: 1fr; } }

/* How it works */
.flow { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.3fr) auto minmax(0, 1fr); gap: 18px; align-items: stretch; margin-bottom: 56px; }
.node { background: var(--surface); border: 1px solid var(--line); border-radius: 0; padding: 24px; display: grid; gap: 8px; align-content: start; }
.node.core { background: var(--pitch); color: var(--on-pitch); border-color: var(--pitch); }
.node.core p { color: var(--on-pitch-muted); }
.node p { color: var(--muted); font-size: 16px; }
.arrow { align-self: center; color: var(--accent-bright); font-family: var(--display); font-size: 40px; font-weight: 800; }
@media (max-width: 860px) { .flow { grid-template-columns: 1fr; } .arrow { justify-self: center; transform: rotate(90deg); } }
.journey { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; counter-reset: step; }
.journey li { padding: 22px 18px 0 0; border-top: 3px solid var(--accent-bright); display: grid; gap: 8px; align-content: start; counter-increment: step; }
.journey li::before { content: counter(step); font-family: var(--display); font-weight: 800; font-size: 44px; line-height: 1; color: var(--accent); }
.journey li p { color: var(--muted); font-size: 15px; }
.journey h3 { font-size: 22px; }
@media (max-width: 860px) { .journey { grid-template-columns: 1fr; gap: 22px; } }

/* Trust */
.trust { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; }
.creds { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.creds span { border: 1px solid var(--line); background: var(--surface); border-radius: 0; padding: 6px 14px; font-size: 14px; }
.facts { display: grid; gap: 0; }
.facts div { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 18px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.facts dt { font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.facts dd { margin: 0; }
@media (max-width: 860px) { .trust { grid-template-columns: 1fr; } .facts div { grid-template-columns: 1fr; gap: 4px; } }

/* Network */
.net { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 40px; }
.sport-group { display: grid; gap: 6px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.sport-group h3 { font-size: 22px; }
.sport-group p { color: var(--muted); }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 16px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
td:first-child { font-weight: 700; white-space: nowrap; }
.wevca-note { color: var(--muted); margin-bottom: 14px; }
@media (max-width: 860px) { .net { grid-template-columns: 1fr; } }

/* Roadmap */
.road { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.phase { border-top: 3px solid var(--line); padding-top: 20px; display: grid; gap: 10px; align-content: start; }
.phase.now { border-top-color: var(--accent-bright); }
.phase .when { font-family: var(--mono); font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.phase ul { margin: 0; padding-left: 20px; color: var(--muted); display: grid; gap: 6px; }
@media (max-width: 860px) { .road { grid-template-columns: 1fr; } }

/* CTA + footer */
.cta { background: var(--pitch); color: var(--on-pitch); padding-block: clamp(64px, 9vw, 104px); }
.cta .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 40px; align-items: end; }
.cta h2 { font-style: italic; }
.cta p { color: var(--on-pitch-muted); margin-top: 16px; max-width: 52ch; }
.contact { background: var(--pitch-2); border-radius: 0; padding: 24px; display: grid; gap: 8px; }
.contact .eyebrow { color: var(--accent-bright); }
.contact address { font-style: normal; color: var(--on-pitch); }
@media (max-width: 860px) { .cta .wrap { grid-template-columns: 1fr; } }
footer.foot { background: var(--bg); padding-block: 36px; color: var(--muted); font-size: 14px; }
footer.foot .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.operator { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.operator img { display: block; width: 132px; height: auto; flex-shrink: 0; background: transparent; padding: 0; border-radius: 0; }
.sources { font-size: 13px; max-width: 70ch; }

/* Typography and rhythm */
body { margin: 0; font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
[hidden] { display: none !important; }
::selection { color: #020302; background: #7ec77c; }
html { background: var(--bg); scroll-padding-top: 112px; }
.band { padding-inline: max(clamp(22px, 4vw, 72px), env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-style: normal; font-weight: 600; letter-spacing: -.025em; line-height: 1.06; }
h2 { font-size: clamp(36px, 4vw, 68px); text-transform: none; }
h3 { font-size: clamp(23px, 2vw, 30px); letter-spacing: -.025em; line-height: 1.15; }
.eyebrow { font-family: var(--display); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.lede { font-size: 18px; line-height: 1.65; }
section.block { padding-block: clamp(76px, 10vw, 144px); border-color: var(--line); }
.head { gap: 22px; margin-bottom: 52px; max-width: 920px; }
a { text-underline-offset: 4px; }
/* Navigation */
.notice { background: #0e180e; color: #d3ded2; font-size: 13px; border-bottom: 1px solid rgba(84,176,82,.24); padding-block: 11px; }
.notice b { color: var(--accent); font-weight: 700; font-size: 11px; }
.notice a { color: #fff; }
.notice button { color: #c1c9c0; border: 1px solid #4d584c; padding: 3px 12px; }
header.top { background: rgba(2,3,2,.88); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,.08); }
header.top .wrap { min-height: 92px; padding-block: 16px; }
.mark { font-size: 32px; letter-spacing: -.055em; font-style: normal; font-weight: 700; }
nav ul { gap: clamp(18px, 2.2vw, 32px); }
nav a { font-size: 14px; font-weight: 500; text-transform: none; letter-spacing: 0; color: #fff; }
nav a:hover { color: #7ec77c; }
.btn { min-height: 50px; padding: 12px 24px; justify-content: center; font-size: 15px; border-width: 1px; transition: background .25s ease, border-color .25s ease, transform .25s ease; }
.btn-primary { color: #020302; border-color: var(--accent); }
.btn-primary:hover { background: #7ec77c; border-color: #7ec77c; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.3); color: #fff; }
.btn-ghost:hover { background: rgba(84,176,82,.12); border-color: var(--accent); transform: translateY(-2px); }
/* Hero: atmospheric light, using CSS without adding external imagery. */
.hero { background: radial-gradient(ellipse at 85% 35%, rgba(84,176,82,.17), transparent 48%), linear-gradient(135deg, #020302 25%, #0b170c 70%, #020302); }
.hero .wrap { min-height: 720px; min-height: min(900px, calc(100svh - 140px)); padding-block: clamp(84px, 9vw, 140px); align-items: center; grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr); gap: clamp(40px, 6vw, 96px); }
.hero .court { opacity: .12; width: 100%; height: 100%; mask-image: linear-gradient(90deg, transparent 30%, #000); }
.hero .court g { stroke: #54b052; }
.hero h1 { font-size: clamp(48px, 5.4vw, 92px); font-style: normal; font-weight: 600; text-transform: none; letter-spacing: -.035em; line-height: 1.04; }
.hero h1 em { font-style: normal; }
.hero .sub { font-size: clamp(18px, 1.55vw, 22px); line-height: 1.55; margin-top: 30px; max-width: 48ch; }
.hero .sum { font-size: 15px; line-height: 1.7; }
.hero .ctas { margin-top: 34px; }
.board { padding: clamp(24px, 2.8vw, 42px); background: rgba(5,12,6,.65); border: 1px solid rgba(84,176,82,.28); border-radius: 0; backdrop-filter: blur(10px); gap: 28px; }
.board .row { border-bottom: 1px solid var(--line); padding-bottom: 20px; gap: 20px; }
.board dt { font-size: 13px; line-height: 1.5; }
.board dd { font-size: clamp(32px, 3.2vw, 48px); font-weight: 500; letter-spacing: -.05em; }
.board small { font-family: var(--body); font-size: 11px; line-height: 1.6; }
/* Content modules */
.context, .trust { gap: clamp(36px, 6vw, 96px); }
.gap-card, .case, .node, .contact { background: var(--surface); border: 1px solid var(--line); border-radius: 0; padding: clamp(24px, 3vw, 40px); }
.gap-card { background: linear-gradient(135deg, rgba(84,176,82,.08), rgba(84,176,82,.02)); border-color: rgba(84,176,82,.24); }
.goals { border-top: 1px solid var(--line); }
.goal { padding-top: 32px; gap: 18px; }
.goal .tag, .case .code, .phase .when { color: var(--accent); font-weight: 600; letter-spacing: .08em; }
.cases { gap: 24px; }
.case { gap: 20px; transition: border-color .25s ease, background .25s ease; }
.case:hover { border-color: rgba(84,176,82,.5); background: #0d150d; }
.chip { font-size: 11px; border: 1px solid transparent; }
.chip.live { border-color: rgba(84,176,82,.25); color: #7ec77c; }
.chip.road { border-color: var(--line); }
.case .who { font-size: 13px; padding-top: 20px; }
.node.core { background: linear-gradient(140deg, #112412, #081109); border-color: rgba(84,176,82,.42); }
.node.core h3 { color: #7ec77c; }
.arrow { font-size: 32px; }
.journey { gap: 20px; }
.journey li { border-top: 1px solid rgba(84,176,82,.45); gap: 14px; padding-top: 24px; }
.journey li::before { font-size: 48px; font-weight: 500; letter-spacing: -.05em; }
.journey h3 { font-size: 22px; }
.creds span { background: transparent; border-color: rgba(84,176,82,.32); font-size: 13px; padding: 8px 16px; }
.facts dt { font-size: 11px; color: var(--accent); }
.facts div { padding-block: 22px; }
th { color: var(--accent); }
th, td { padding: 16px; }
tbody tr:hover { background: rgba(84,176,82,.04); }
.phase { border-top-width: 1px; padding-top: 28px; gap: 18px; }
.phase.now { border-top-width: 2px; }
.cta { background: radial-gradient(ellipse at 0% 100%, rgba(84,176,82,.18), transparent 65%), #050805; border-top: 1px solid rgba(84,176,82,.28); padding-block: clamp(80px, 9vw, 140px); }
.cta h2 { font-style: normal; }
.contact { background: rgba(84,176,82,.05); border-color: rgba(84,176,82,.24); gap: 14px; }
footer.foot { border-top: 1px solid var(--line); padding-block: 40px; font-size: 12px; }
.foot-side { display: grid; gap: 10px; justify-items: end; max-width: 70ch; }
.legal { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 0.45em; margin: 0; font-size: 13px; line-height: 1.4; color: #a3a3a3; }
.legal span { color: #a3a3a3; }
footer.foot .legal a { color: #a3a3a3; background: none; border: 0; padding: 0; font: inherit; font-weight: 400; text-decoration: none; }
footer.foot .legal a:hover { color: #ffffff; }
.sources { font-size: 11px; line-height: 1.7; max-width: 65ch; }
.foot-side .sources { text-align: right; }
.operator img { font-size: 12px; }
@media (max-width: 1100px) and (min-width: 901px) { nav ul { gap: 16px; } nav a { font-size: 12px; } .head-cta { padding-inline: 16px; font-size: 13px; } }
@media (max-width: 900px) {
 header.top .wrap { min-height: 76px; }
 .menu summary { text-transform: none; letter-spacing: 0; padding: 8px 18px; }
 .menu ul { top: 50px; background: #0b100b; border: 1px solid var(--line); border-radius: 0; padding: 22px; box-shadow: 0 20px 50px #0008; }
}
@media (max-width: 860px) {
 .hero .wrap { min-height: auto; grid-template-columns: 1fr; padding-block: 72px; gap: 48px; }
 .hero h1 { max-width: 700px; font-size: clamp(46px, 8vw, 72px); }
 .hero .sub { max-width: 56ch; }
 .board { width: 100%; }
 .board dd { font-size: 40px; }
 .goal, .goal + .goal { padding: 28px 0; }
 .journey { gap: 28px; }
 .road { gap: 36px; }
 .cta .wrap { gap: 40px; }
 .foot-side { justify-items: start; }
 .foot-side .sources { text-align: left; }
 .legal { justify-content: flex-start; }
}
@media (max-width: 480px) {
 .notice .wrap { align-items: start; flex-wrap: nowrap; gap: 12px; }
 .notice b { display: block; margin-bottom: 4px; }
 .notice button { font-size: 11px; margin-top: 3px; }
 .hero h1 { font-size: 46px; }
 .hero .ctas { align-items: stretch; flex-direction: column; }
 .board .row { grid-template-columns: minmax(0,1fr) auto; }
 .head { margin-bottom: 36px; }
 .case .top-row { flex-wrap: wrap; }
 #email { font-size: 24px !important; }
 .timeline-labels { font-size: 11px; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) { .btn:hover { transform: none; } }


section[aria-labelledby="why-title"] .goals { border-top: 5px solid #ffffff; }

/* Rounded buttons only */
button, .notice button, .btn, .menu summary { border-radius: 999px; }

/* Use cases — black panels with a fine green outline */
#usecases .case {
  background: #000000;
  border: 1px solid #54B052;
  border-radius: 0;
  padding: clamp(28px, 3.5vw, 56px);
  gap: 0;
}
#usecases .case:hover { background: #000000; border-color: #54B052; }
#usecases .case .code { color: #54B052; font-size: 20px; font-weight: 600; letter-spacing: 0; }
#usecases .case h3 {
  margin-top: clamp(48px, 6vw, 88px);
  margin-bottom: 28px;
  color: #ffffff;
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: -.025em;
}
#usecases .case > p, #usecases .case ul { color: #ffffff; }
#usecases .case ul { margin-top: 22px; }
#usecases .case .who { margin-top: 28px; padding-top: 22px; border-top-color: rgba(84,176,82,.3); color: #adb6ad; }
#usecases .case .who b { color: #ffffff; }


/* Hero scoreboard — same black panel and green outline as use cases */
.hero .board { background: #000000; border: 1px solid #54B052; backdrop-filter: none; }
.hero .board dt { color: #ffffff; }


/* Measurement timeline spans both project columns */
#project .context { row-gap: 40px; }
#project .gap-card { grid-column: 1 / -1; width: 100%; }


/* Timeline dates aligned with the year markers */
#project .timeline { position: relative; display: block; height: 16px; margin-top: 30px; }
#project .timeline::before { content: ""; position: absolute; left: 7px; right: 0; top: 7px; height: 2px; background: var(--line); }
#project .timeline .seg { display: none; }
#project .timeline .dot { position: absolute; top: 1px; left: 0; width: 14px; height: 14px; }
#project .timeline .dot:nth-child(4) { left: 50%; transform: translateX(-50%); }
#project .timeline-labels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; gap: 12px; margin-top: 16px; color: #ffffff; font-size: clamp(18px, 1.8vw, 26px); font-weight: 500; line-height: 1.3; }
#project .timeline-labels span:nth-child(2) { text-align: center; }
#project .timeline-labels span:last-child { text-align: right; }
#project .measurement-note { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); }
@media (max-width: 480px) { #project .timeline-labels { font-size: 17px; gap: 8px; } }


/* Mobile hamburger and right-hand navigation layer */
.menu-toggle { display: none; }
.mobile-nav { position: fixed; inset: 0 0 0 auto; width: min(420px, 100%); max-width: 100%; height: 100dvh; max-height: 100dvh; margin: 0; padding: 28px; border: 0; border-left: 1px solid rgba(84,176,82,.35); border-radius: 0; background: #020302; color: #ffffff; overflow-y: auto; overscroll-behavior: contain; }
.mobile-nav[open] { display: flex; flex-direction: column; animation: sportx-nav-in .3s ease both; }
.mobile-nav::backdrop { background: rgba(0,0,0,.65); }
.mobile-nav__top { display: flex; align-items: center; justify-content: flex-end; gap: 24px; }
.mobile-nav__close, .menu-toggle { position: relative; width: 48px; height: 48px; flex-shrink: 0; border: 1px solid rgba(84,176,82,.55); border-radius: 999px; background: transparent; color: #ffffff; cursor: pointer; }
.mobile-nav__close span { position: absolute; left: 13px; top: 22px; width: 20px; height: 2px; background: currentColor; transform: rotate(45deg); }
.mobile-nav__close span:last-child { transform: rotate(-45deg); }
.mobile-nav__links { display: flex; flex-direction: column; gap: 0; margin-block: 48px 36px; }
.mobile-nav__links a { display: block; padding: 16px 0; border-bottom: 1px solid var(--line); color: #ffffff; font-family: var(--display); font-size: clamp(24px, 6vw, 32px); line-height: 1.2; text-transform: none; letter-spacing: -.025em; }
.mobile-nav__links a:hover { color: #54B052; }
.mobile-nav__cta { margin-top: auto; align-self: stretch; }
@keyframes sportx-nav-in { from { transform: translateX(100%); } to { transform: translateX(0); } }
@media (max-width: 900px) {
 .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
 .menu-toggle span { display: block; width: 21px; height: 2px; background: currentColor; }
 .mobile-nav { padding: max(24px, env(safe-area-inset-top)) max(24px, env(safe-area-inset-right)) max(28px, env(safe-area-inset-bottom)) 24px; }
}


#how .flow .node { border-radius: 20px; }

/* Sections fade in from the black page background when entering view */
main > section.section-reveal { opacity: 0; transform: translateY(24px); transition: opacity 1.2s cubic-bezier(.22, 1, .36, 1), transform 1.2s cubic-bezier(.22, 1, .36, 1); }
main > section.section-reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { main > section.section-reveal { opacity: 1; transform: none; transition: none; } }
@media print { main > section.section-reveal { opacity: 1; transform: none; } }


#standards .goal .tag { color: #ffffff; }

/* Green labels are reserved for section headings */
main .eyebrow,
main .board .eyebrow,
main .contact .eyebrow,
#project .gap-card .eyebrow,
main .goal .tag,
#standards .goal .tag,
#usecases .case .code,
main .chip.live,
main .chip.road,
main .phase .when,
main .facts dt,
main th,
main .journey li::before,
.notice b { color: #ffffff; }
main .head > .eyebrow { color: #54B052; }


/* Use-case status pills */
#usecases .case .chip { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 8px 16px; line-height: 1.3; }


/* Use cases: sticky introduction and equally sized cards in the page flow */
#usecases > .wrap { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
#usecases > .wrap > .head { position: sticky; top: 128px; margin-bottom: 0; align-self: start; }
#usecases .head h2 { font-size: clamp(36px, 3.8vw, 60px); }
#usecases .cases { display: grid; grid-template-columns: minmax(0, 1fr); grid-auto-rows: 1fr; gap: 28px; }
#usecases .case, #usecases .case.wide { grid-column: auto; display: flex; flex-direction: column; width: 100%; height: 100%; min-height: 580px; padding: clamp(28px, 3vw, 44px); }
#usecases .case h3 { margin-top: 48px; margin-bottom: 24px; font-size: clamp(30px, 2.7vw, 42px); }
#usecases .case ul { margin-top: 22px; margin-bottom: 28px; }
#usecases .case .who { margin-top: auto; }
#usecases .case.is-ready, #usecases .case.is-ready:hover { border: 1px solid #54B052; }
#usecases .case.is-roadmap, #usecases .case.is-roadmap:hover { border: 1px dashed #ffffff; }
@media (max-width: 900px) {
 #usecases > .wrap { grid-template-columns: minmax(0, 1fr); gap: 40px; }
 #usecases > .wrap > .head { position: static; }
 #usecases .head h2 { font-size: clamp(36px, 6vw, 56px); }
 #usecases .case, #usecases .case.wide { min-height: 0; }
 #usecases .case h3 { margin-top: 36px; }
}
@media (min-width: 901px) and (max-height: 650px) { #usecases > .wrap > .head { position: static; } }
@media print { #usecases > .wrap > .head { position: static; } }


/* Photographic football stadium hero */
.hero { background-image: linear-gradient(90deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.66) 48%, rgba(0,0,0,.42) 100%), linear-gradient(0deg, #020302 0%, rgba(2,3,2,0) 35%), url("../images/stadium-hero.webp"); background-size: cover; background-position: center; background-repeat: no-repeat; background-color: #020302; }
.hero .court { display: none; }
@media (max-width: 860px) { .hero { background-position: 62% top; } }


/* The original pitch background now sits behind the third section */
.pitch-section { position: relative; overflow: hidden; background: radial-gradient(ellipse at 85% 35%, rgba(84,176,82,.17), transparent 48%), linear-gradient(135deg, #020302 25%, #0b170c 70%, #020302); }
.pitch-section > .wrap { position: relative; z-index: 1; }


/* SportX data space matches the primary button green */
#how .flow .node.core { background: #54B052; border-color: #54B052; color: #000000; }
#how .flow .node.core h3, #how .flow .node.core p { color: #000000; }