:root {
  --bg: #f7f4f2;
  --fg: #141414;
  --card: #fff;
  --primary: #e01414;
  --primary-fg: #fff;
  --success: #159c46;
  --secondary: #eee8e4;
  --muted: rgba(20, 20, 20, .62);
  --border: rgba(20, 20, 20, .15);
  --display: "Bebas Neue", sans-serif;
  --body: "Inter", sans-serif;
  --mono: "JetBrains Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
.site-nav { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 40px; border-bottom: 1px solid var(--border); background: rgba(247,244,242,.9); backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-size: 28px; line-height: 1; }
.brand strong, .text-primary, .cite { color: var(--primary); }
.text-success { color: var(--success); font-weight: 700; }
.heart-icon { width: 20px; height: 20px; color: var(--primary); flex: 0 0 auto; }
.beat { animation: heartbeat 1.2s ease-in-out infinite; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { padding: 10px 12px; font: 700 11px/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--fg); transition: .2s; }
.site-nav.open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.open .menu-toggle span:nth-child(2) { opacity: 0; }
.site-nav.open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 40px; background: var(--fg); color: var(--bg); border-top: 1px solid var(--border); font: 700 11px/1.6 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.site-footer > div:first-child { display: flex; align-items: center; gap: 9px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; }
.site-footer a:hover { color: var(--primary); }
.news-flash-bar { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 10px 54px; background: var(--primary); color: var(--primary-fg); font: 700 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-align: center; }
.news-flash-bar button { position: absolute; right: 18px; border: 1px solid rgba(255,255,255,.5); background: transparent; color: var(--primary-fg); cursor: pointer; padding: 2px 7px; }
.news-list { display: grid; gap: 22px; }
.news-card { border: 1px solid var(--border); background: var(--card); padding: 28px; }
.news-card time { color: var(--primary); font: 700 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.admin-shell { display: grid; grid-template-columns: 230px 1fr; gap: 28px; align-items: start; }
.admin-tabs { position: sticky; top: 90px; display: grid; gap: 8px; }
.admin-tab { border: 1px solid var(--border); background: var(--card); padding: 14px; text-align: left; font: 700 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.admin-tab.active { background: var(--primary); border-color: var(--primary); color: var(--primary-fg); }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.admin-form { display: grid; gap: 20px; border: 1px solid var(--border); background: var(--card); padding: 28px; margin-bottom: 28px; }
.admin-form input[type="date"], .admin-form select { width: 100%; border: 1px solid var(--border); background: transparent; padding: 12px; }
.admin-row { border: 1px solid var(--border); background: var(--card); padding: 20px; margin-bottom: 12px; }
.admin-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.danger { border-color: var(--fg); background: var(--fg); color: var(--bg); }
.notice { border: 1px solid var(--primary); background: rgba(224,20,20,.06); padding: 14px 18px; margin-bottom: 22px; }
.hero, .page-head { padding: 80px 80px 48px; position: relative; overflow: hidden; }
.hero { min-height: 86vh; display: flex; align-items: center; }
.glow { position: absolute; width: 280px; height: 280px; border-radius: 999px; background: var(--primary); filter: blur(110px); opacity: .2; pointer-events: none; }
.glow.one { right: 30px; top: 30px; }
.glow.two { left: 30px; bottom: 30px; opacity: .13; }
.eyebrow { font: 700 12px/1.4 var(--mono); color: var(--primary); letter-spacing: .28em; text-transform: uppercase; margin: 0 0 18px; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 400; text-transform: uppercase; letter-spacing: 0; margin: 0; }
.hero h1 { font-size: clamp(72px, 15vw, 208px); line-height: .82; }
.hero-title-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.hero-title-row .heart-icon { width: .8em; height: .8em; }
.lead { max-width: 720px; margin: 30px 0 0; color: var(--muted); font-size: clamp(18px, 2vw, 24px); line-height: 1.35; }
.hero .lead { color: var(--fg); }
.actions { margin-top: 38px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 15px 28px; border: 1px solid var(--fg); background: transparent; color: var(--fg); font-family: var(--display); font-size: 20px; line-height: 1; text-transform: uppercase; letter-spacing: .12em; cursor: pointer; transition: .2s; }
.btn.primary { border-color: var(--primary); background: var(--primary); color: var(--primary-fg); }
.btn:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.primary:hover { background: var(--fg); border-color: var(--fg); }
.section { padding: 90px 80px; }
.dark { background: var(--fg); color: var(--bg); }
.muted-section { background: var(--secondary); }
.container { max-width: 1180px; margin: 0 auto; }
.narrow { max-width: 960px; margin: 0 auto; }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 48px; }
.span-5 { grid-column: span 5; }
.span-7 { grid-column: span 7; }
.section h2 { font-size: clamp(48px, 7vw, 96px); line-height: .86; }
.section h3 { font-size: clamp(32px, 4vw, 58px); line-height: .95; }
.copy { font-size: 18px; line-height: 1.65; color: var(--muted); }
.dark .copy { color: rgba(247,244,242,.78); }
.tiles, .cards, .stats-grid { display: grid; gap: 1px; background: var(--border); }
.tiles { grid-template-columns: repeat(3, 1fr); }
.stats-grid { grid-template-columns: repeat(2, 1fr); background: rgba(247,244,242,.12); }
.cards { grid-template-columns: repeat(3, 1fr); }
.tile, .stat, .card { background: var(--card); padding: 32px; }
.dark .tile, .dark .stat, .dark .card { background: var(--fg); }
.tile:hover { background: var(--primary); color: var(--primary-fg); }
.tile .num, .card .num { color: var(--primary); font: 700 12px/1 var(--mono); letter-spacing: .12em; }
.tile:hover .num, .tile:hover .heart-icon { color: var(--primary-fg); }
.stat-value { font-family: var(--display); font-size: clamp(56px, 7vw, 86px); line-height: 1; color: var(--primary); }
.stat p, .card p, .tile p { color: var(--muted); line-height: 1.45; }
.dark .stat p, .dark .card p, .dark .tile p { color: rgba(247,244,242,.72); }
.page-head { border-bottom: 1px solid var(--border); }
.page-head h1 { font-size: clamp(64px, 10vw, 144px); line-height: .84; }
.bar-row { margin: 34px 0; }
.bar-row header { display: flex; justify-content: space-between; gap: 12px; align-items: end; margin-bottom: 8px; font-family: var(--display); font-size: 30px; }
.bar-track { height: 16px; background: rgba(20,20,20,.06); overflow: hidden; }
.bar-fill { height: 100%; background: var(--fg); animation: grow 1.2s ease both; }
.bar-row.highlight header, .bar-row.highlight .bar-note { color: var(--primary); }
.bar-row.highlight .bar-fill { background: var(--primary); }
.bar-note { font: 700 11px/1.5 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.panel { border: 1px solid var(--border); background: var(--card); padding: 32px; }
.trainer-grid, .sim-grid { display: grid; grid-template-columns: 1fr 280px; gap: 34px; align-items: center; }
.push-btn { position: relative; aspect-ratio: 1; width: min(100%, 360px); margin: 0 auto; border: 0; border-radius: 50%; background: var(--primary); color: var(--primary-fg); font-family: var(--display); font-size: clamp(52px, 8vw, 84px); letter-spacing: .12em; cursor: pointer; transition: transform .12s; }
.push-btn.pulse { transform: scale(.95); }
.push-btn.in-zone { background: var(--success); }
.tempo-value, .survival-value { font-family: var(--display); font-size: 82px; line-height: 1; }
.gauge, .survival-track { position: relative; height: 12px; margin-top: 22px; }
.survival-track { background: rgba(20,20,20,.06); }
.gauge { background: rgba(224,20,20,.12); }
.gauge-zone { position: absolute; left: 50%; width: 20%; height: 100%; transform: translateX(-25%); background: rgba(21,156,70,.28); }
.gauge-marker { position: absolute; top: 50%; width: 6px; height: 26px; background: var(--fg); transform: translate(-50%, -50%); }
.labels { display: flex; justify-content: space-between; margin-top: 7px; color: var(--muted); font: 700 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.status { margin-top: 16px; font: 700 12px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.chain-legend, .chain-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.chain-tabs { display: grid; grid-template-columns: repeat(5, 1fr); }
.chain-tab { border: 1px solid var(--border); background: var(--card); padding: 18px; text-align: left; cursor: pointer; }
.chain-tab.professional { border-style: dashed; color: var(--muted); background: rgba(20,20,20,.04); }
.chain-tab.active { border-color: var(--primary); background: var(--primary); color: var(--primary-fg); }
.chain-detail { border-left: 2px solid var(--primary); background: var(--secondary); padding: 28px; min-height: 150px; }
.photo-hero { position: relative; aspect-ratio: 21/9; overflow: hidden; background: var(--fg); }
.photo-hero img { width: 100%; height: 100%; object-fit: cover; opacity: .72; transition: transform 1s; }
.photo-hero:hover img { transform: scale(1.04); }
.photo-hero-text { position: absolute; inset: auto 0 0; padding: 42px; color: var(--bg); background: linear-gradient(to top, rgba(20,20,20,.92), rgba(20,20,20,.25), transparent); }
.form-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 48px; }
.main-col { grid-column: span 7; }
.side-col { grid-column: span 5; }
.role-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.role-btn { padding: 10px 14px; border: 1px solid var(--border); background: transparent; font: 700 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.role-btn.active { border-color: var(--primary); background: var(--primary); color: var(--primary-fg); }
label { display: block; font: 700 11px/1 var(--mono); color: var(--primary); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
input[type="text"], input[type="email"], textarea { width: 100%; border: 0; border-bottom: 1px solid var(--border); background: transparent; outline: 0; padding: 10px 0; font-size: 18px; color: var(--fg); }
textarea { border: 1px solid var(--border); padding: 14px; resize: vertical; min-height: 140px; }
input:focus, textarea:focus { border-color: var(--primary); }
.success { display: none; border: 1px solid var(--primary); background: rgba(224,20,20,.05); padding: 56px; text-align: center; }
.contact-form.sent { display: none; }
.success.show { display: block; }
.event-grid, .gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.event-card { border: 1px solid var(--border); background: var(--card); overflow: hidden; }
.event-card figure { margin: 0; aspect-ratio: 16/10; background: var(--secondary); display: grid; place-items: center; color: var(--muted); font: 700 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.event-card .body { padding: 22px; }
.badge { display: inline-block; padding: 6px 8px; background: var(--primary); color: var(--primary-fg); font: 700 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.empty { border: 1px dashed var(--border); padding: 44px; text-align: center; color: var(--muted); font: 700 11px/1.6 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.gallery-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
.gallery-item { aspect-ratio: 1; border: 0; padding: 0; background: var(--secondary); overflow: hidden; cursor: pointer; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.gallery-item:hover img { transform: scale(1.06); }
.lightbox { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 28px; background: rgba(20,20,20,.95); color: var(--bg); }
.lightbox.open { display: flex; }
.lightbox img { max-height: 80vh; width: auto; margin: auto; }
.lightbox-close { position: absolute; top: 24px; right: 24px; border: 0; background: transparent; color: var(--bg); font: 700 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; cursor: pointer; }
.quiz-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quiz-option { padding: 16px; border: 1px solid var(--border); background: transparent; text-align: left; cursor: pointer; }
.quiz-option.correct { border-color: var(--primary); background: var(--primary); color: var(--primary-fg); }
.quiz-option.wrong { background: var(--fg); color: var(--bg); text-decoration: line-through; }
.quiz-explain { display: none; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--border); justify-content: space-between; gap: 20px; align-items: center; }
.quiz-explain.show { display: flex; }
.portrait { position: relative; aspect-ratio: 4/5; background: var(--fg); overflow: hidden; display: grid; place-items: center; color: var(--primary); }
.portrait:before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(224,20,20,.28), transparent, #141414); }
.portrait .heart-icon { width: 56%; height: 56%; position: relative; }
.portrait img { position: relative; width: 100%; height: 100%; object-fit: cover; }
.timeline-item { display: grid; grid-template-columns: 140px 1fr; gap: 28px; padding-bottom: 34px; margin-bottom: 34px; border-bottom: 1px solid var(--border); }
.timeline-item:last-child { border-bottom: 0; }
.citation-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 24px; }
.citation-list li { border-left: 2px solid var(--primary); padding-left: 18px; scroll-margin-top: 90px; }
.citation-list a { display: inline-block; margin-top: 9px; margin-left: 28px; color: var(--primary); font: 700 11px/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; word-break: break-word; }
.source-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 460px); gap: 48px; align-items: start; }
.source-image-card { margin: 0; border: 1px solid var(--border); background: var(--card); padding: 12px; }
.source-image-card img { width: 100%; height: auto; }
.source-image-card figcaption { padding: 12px 4px 2px; color: var(--muted); font: 700 10px/1.5 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.cpr-steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); }
.cpr-step-card { background: var(--bg); padding: 30px; min-height: 230px; }
.cpr-step-card span { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; background: var(--primary); color: var(--primary-fg); font-family: var(--display); font-size: 26px; margin-bottom: 22px; }
.cpr-step-card h3 { font-size: clamp(28px, 3vw, 40px); line-height: .95; }
.cpr-step-card p { color: var(--muted); line-height: 1.55; }
.cpr-note { margin: 28px 0 0; border-left: 3px solid var(--primary); background: var(--card); padding: 18px 20px; color: var(--fg); line-height: 1.55; }
.source-resource-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.video-card { border: 1px solid var(--border); background: var(--card); overflow: hidden; }
.video-card iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; display: block; }
.video-card > div { padding: 28px; }
.source-link-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(247,244,242,.14); margin-top: 36px; }
.source-link-card { background: var(--fg); padding: 28px; }
.source-link-card h3 { font-size: clamp(28px, 4vw, 42px); line-height: .95; }
.source-link-card p { color: rgba(247,244,242,.74); line-height: 1.5; }
.source-link-card a { color: var(--primary); font: 700 11px/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; word-break: break-word; }
@keyframes heartbeat { 0%,100%{transform:scale(1)} 15%{transform:scale(1.25)} 30%{transform:scale(1)} 45%{transform:scale(1.18)} 60%{transform:scale(1)} }
@keyframes grow { from { width: 0; } }
@media (max-width: 900px) {
  .site-nav { padding: 12px 20px; align-items: flex-start; }
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 57px; background: var(--bg); border-bottom: 1px solid var(--border); }
  .site-nav.open .nav-links { display: block; }
  .nav-links a { display: block; padding: 16px 24px; border-top: 1px solid var(--border); font-family: var(--display); font-size: 26px; }
  .hero, .page-head, .section { padding-left: 24px; padding-right: 24px; }
  .grid-12, .form-grid, .trainer-grid, .sim-grid { grid-template-columns: 1fr; }
  .span-5, .span-7, .main-col, .side-col { grid-column: auto; }
  .tiles, .cards, .stats-grid, .event-grid { grid-template-columns: 1fr; }
  .chain-tabs { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .field-grid, .quiz-options { grid-template-columns: 1fr; }
  .photo-hero { aspect-ratio: 4/3; }
  .site-footer { padding: 32px 24px; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-tabs { position: static; }
  .source-hero-grid, .source-resource-grid { grid-template-columns: 1fr; }
  .cpr-steps-grid, .source-link-grid { grid-template-columns: 1fr; }
}