*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#0f0f0f;color:#ececec;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(15,15,15,.96);border-bottom:1px solid #272727;backdrop-filter:blur(10px)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;font-size:1.35rem;background:linear-gradient(90deg,#ff2a2a,#00e643);-webkit-background-clip:text;color:transparent;text-decoration:none}.nav nav{display:flex;gap:20px;flex-wrap:wrap}.nav nav a,footer a{color:#d6d6d6;text-decoration:none}.nav nav a:hover,footer a:hover{color:#00e643}.menu{display:none;background:none;border:1px solid #333;color:white;padding:8px 11px;border-radius:8px}.article{padding:70px 0 90px;max-width:900px}.article h1{font-size:clamp(2.4rem,6vw,4.7rem);line-height:1.05;margin:0 0 28px;background:linear-gradient(90deg,#fff,#bcbcbc);-webkit-background-clip:text;color:transparent}.article h2{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.2;margin:52px 0 18px;color:#fff}.article h3{font-size:1.35rem;margin:34px 0 12px;color:#00e643}.article p,.article li{font-size:1.06rem;color:#c7c7c7}.article ul{padding-left:24px}.article blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid #00e643;background:#181818;color:#ddd}.article a{color:#00e643}.article>p:first-of-type{font-size:1.2rem;color:#e4e4e4}.calculator{margin:55px 0;padding:28px;border:1px solid #303030;background:#171717;border-radius:16px}.calculator h2{margin-top:0}.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.calculator label{display:grid;gap:7px;color:#ddd;font-weight:600}.calculator input,.calculator select{width:100%;padding:13px 14px;border-radius:8px;border:1px solid #3a3a3a;background:#0f0f0f;color:white}.calculator button{margin-top:20px;padding:13px 20px;border:0;border-radius:8px;font-weight:800;background:linear-gradient(90deg,#ff2a2a,#00e643);color:#0c0c0c;cursor:pointer}.result{margin-top:20px;font-size:1.08rem;font-weight:700;color:#00e643}footer{border-top:1px solid #272727;background:#121212;padding:38px 0;color:#999}@media(max-width:760px){.menu{display:block}.nav{flex-wrap:wrap;padding:12px 0}.nav nav{display:none;width:100%;padding-bottom:12px}.nav nav.open{display:grid;grid-template-columns:1fr 1fr}.article{padding-top:42px}.grid-form{grid-template-columns:1fr}}
/* Knowledge foundation v1 */
.hero{padding:78px 0 44px}.eyebrow{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:#00e643}.hero h1{font-size:clamp(2.7rem,7vw,5.4rem);line-height:1.01;max-width:900px;margin:12px 0 22px}.hero .lede{font-size:1.25rem;max-width:760px;color:#d7d7d7}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.btn{display:inline-block;padding:12px 18px;border-radius:9px;text-decoration:none!important;font-weight:800;background:#00e643;color:#071008!important}.btn.secondary{background:#202020;color:#fff!important;border:1px solid #343434}.section{padding:44px 0}.section h2{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.15;margin:0 0 14px}.section-intro{max-width:760px;color:#bdbdbd}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:26px}.card{display:block;padding:24px;border:1px solid #2d2d2d;border-radius:14px;background:#171717;text-decoration:none;color:inherit}.card:hover{border-color:#555;transform:translateY(-1px)}.card h3{margin:0 0 8px;color:#fff;font-size:1.2rem}.card p{margin:0;color:#aaa}.path{counter-reset:step;display:grid;gap:14px;margin:26px 0}.path a{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start;padding:18px;border:1px solid #2c2c2c;border-radius:12px;background:#161616;text-decoration:none}.path a:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#252525;color:#00e643;font-weight:900}.path strong{color:#fff}.muted{color:#aaa}.callout{padding:24px;border-left:4px solid #00e643;background:#171717;margin:30px 0}.toc{padding:22px;border:1px solid #2d2d2d;border-radius:12px;background:#151515}.toc a{display:inline-block;margin:4px 12px 4px 0}.fact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.fact{padding:18px;border:1px solid #2d2d2d;border-radius:12px;background:#161616}.fact strong{display:block;color:#fff;margin-bottom:5px}.breadcrumbs{font-size:.9rem;color:#999;margin-bottom:22px}.breadcrumbs a{color:#bbb}.byline{padding:12px 0 20px;color:#aaa;border-bottom:1px solid #292929;margin-bottom:28px}.source-list li{margin-bottom:10px}.site-note{font-size:.92rem;color:#8f8f8f}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.footer-grid h3{color:#fff;font-size:1rem}.footer-grid a{display:block;margin:6px 0}.nav nav{align-items:center}.nav nav a{font-size:.94rem}@media(max-width:860px){.cards{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.cards,.fact-grid,.footer-grid{grid-template-columns:1fr}.hero{padding-top:48px}}

/* Original Horizons content restoration */
.hero-original{padding:72px 0 60px;overflow:hidden}.hero-center{text-align:center}.hero-original h1{font-size:clamp(3rem,8vw,6.3rem);line-height:1;margin:20px auto;max-width:1000px}.hero-sub{font-size:clamp(1.15rem,2vw,1.5rem);color:#c8c8c8;max-width:780px;margin:0 auto 26px}.gradient-text{background:linear-gradient(90deg,#ff2a2a,#00e643);-webkit-background-clip:text;color:transparent}.center-actions{justify-content:center}.hero-image,.content-hero-image{display:block;width:100%;max-width:1000px;max-height:560px;object-fit:cover;border-radius:16px;border:1px solid #303030;margin:42px auto 8px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.content-hero-image{margin:28px 0 34px;max-width:900px}.section-alt{background:#171717;border-top:1px solid #222;border-bottom:1px solid #222}.section-head{text-align:center}.section-head p{color:#aaa;font-size:1.15rem}.cards.four{grid-template-columns:repeat(4,minmax(0,1fr))}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.icon{font-size:2rem;margin-bottom:12px}.linkline{display:block;margin-top:18px;color:#00e643}.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.post-card{overflow:hidden;border:1px solid #2c2c2c;border-radius:14px;background:#171717;color:inherit;text-decoration:none}.post-card img{width:100%;height:210px;object-fit:cover;display:block}.post-content{padding:20px}.post-content h2{color:#fff;font-size:1.3rem;line-height:1.2;margin:8px 0 10px}.post-content p{color:#aaa}.post-meta{color:#777;font-size:.9rem}@media(max-width:950px){.cards.four,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.cards.four,.cards.two,.post-grid{grid-template-columns:1fr}.hero-image{margin-top:26px}.post-card img{height:190px}}

/* Workout knowledge cluster v2 */
.quick-answer{padding:22px 24px;border:1px solid #2f4936;background:linear-gradient(135deg,#151d17,#161616);border-radius:14px}.quick-answer>strong{display:block;color:#00e643;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin-bottom:5px}.quick-answer p{margin:0;color:#d3d3d3}.finder-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:28px 0 10px}.finder-controls label{display:grid;gap:7px;font-weight:700;color:#ddd}.finder-controls select{padding:12px 13px;border:1px solid #363636;border-radius:9px;background:#111;color:#fff}.finder-status{color:#9b9b9b;margin:8px 0 18px}.program-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.program-card{display:flex;flex-direction:column;justify-content:space-between;padding:24px;border:1px solid #2d2d2d;border-radius:14px;background:#171717;color:inherit;text-decoration:none;min-height:260px}.program-card:hover{border-color:#555;transform:translateY(-1px)}.program-card h3{font-size:1.35rem;color:#fff;margin:8px 0}.program-card p{color:#aaa}.program-card[hidden]{display:none}.program-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.program-meta span{font-size:.78rem;border:1px solid #353535;background:#111;border-radius:999px;padding:4px 8px;color:#bbb}.comparison-wrap{overflow-x:auto;margin-top:24px}.comparison{width:100%;border-collapse:collapse;min-width:720px}.comparison th,.comparison td{text-align:left;padding:15px;border-bottom:1px solid #2c2c2c;vertical-align:top}.comparison th{color:#fff;background:#111}.comparison td{color:#bbb}.next-links{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:36px 0}.next-links a,.related-links a{padding:16px;border:1px solid #2e2e2e;border-radius:10px;background:#161616;color:#ddd;text-decoration:none}.next-links a:hover,.related-links a:hover{border-color:#00e643}.related-box{margin:48px 0 10px;padding:24px;border-top:1px solid #303030;border-bottom:1px solid #303030;background:#151515}.related-box h2{margin-top:0}.related-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}@media(max-width:720px){.finder-controls,.program-grid,.next-links,.related-links{grid-template-columns:1fr}}

/* Nutrition knowledge cluster v3 */
.nutrition-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px}.nutrition-card{display:block;padding:24px;border:1px solid #2d2d2d;border-radius:14px;background:#171717;color:inherit;text-decoration:none}.nutrition-card:hover{border-color:#555;transform:translateY(-1px)}.nutrition-card>span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#202820;color:#00e643;font-weight:900;font-size:.82rem}.nutrition-card h3{color:#fff;margin:14px 0 8px}.nutrition-card p{color:#aaa;margin:0}.article ol{padding-left:24px}.article ol li{margin:8px 0}@media(max-width:850px){.nutrition-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.nutrition-grid{grid-template-columns:1fr}}

/* Interactive tools cluster v4 */
.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0 38px}.tool-card{display:block;padding:25px;border:1px solid #303030;border-radius:14px;background:#171717;color:inherit!important;text-decoration:none!important}.tool-card:hover{border-color:#00e643;transform:translateY(-1px)}.tool-card>span{font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;color:#00e643;font-weight:900}.tool-card h3{color:#fff;margin:10px 0 8px}.tool-card p{color:#aaa;margin:0 0 15px}.tool-card b{color:#00e643}.result{font-weight:500}.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.result-grid span,.percent-grid span,.result-hero{display:grid;gap:3px;padding:15px;border:1px solid #304036;border-radius:10px;background:#101510}.result-grid b,.result-hero b{font-size:1.25rem;color:#00e643}.result-grid small,.result-hero small{color:#aaa;font-weight:500}.result-hero{margin-top:4px}.result-hero b{font-size:1.8rem}.percent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}.percent-grid span{color:#ddd}.percent-grid b{color:#00e643}@media(max-width:700px){.tool-grid,.result-grid{grid-template-columns:1fr}.percent-grid{grid-template-columns:repeat(2,1fr)}}