:root {
  --navy:#08182d;
  --navy-2:#0e2b49;
  --blue:#2563eb;
  --green:#20c58b;
  --green-dark:#0c8f68;
  --orange:#f97316;
  --ink:#102033;
  --muted:#5f6f80;
  --paper:#f7f9fc;
  --white:#fff;
  --shadow:0 18px 50px rgba(8,24,45,.12);
  --radius:22px;
  --container:min(1180px, calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:var(--container);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-80px;background:#fff;color:#000;padding:10px 14px;z-index:999;border-radius:8px}.skip-link:focus{top:16px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{height:82px;position:absolute;inset:0 0 auto;z-index:20;color:#fff;background:linear-gradient(180deg,rgba(4,14,28,.82),rgba(4,14,28,0))}
.nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:inline-flex;align-items:center;gap:12px}.brand strong{display:block;letter-spacing:.08em;font-size:1.05rem}.brand small{display:block;font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;opacity:.74;margin-top:1px}
.brand-mark{position:relative;width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,var(--green),var(--blue));display:inline-grid;place-items:center;transform:rotate(-9deg);box-shadow:0 8px 24px rgba(32,197,139,.28)}.brand-mark:before,.brand-mark:after,.brand-mark span{content:"";position:absolute;height:8px;border-radius:999px;background:#fff;transform:rotate(-26deg)}.brand-mark:before{width:26px;top:11px;left:7px}.brand-mark span{width:31px;top:20px;left:8px}.brand-mark:after{width:22px;top:30px;left:17px}
.main-nav{display:flex;align-items:center;gap:28px;font-size:.92rem;font-weight:700}.main-nav a{opacity:.86;transition:.2s}.main-nav a:hover{opacity:1;color:#6ee7bf}.main-nav .nav-cta{border:1px solid rgba(255,255,255,.45);padding:10px 16px;border-radius:999px;opacity:1}.main-nav .nav-cta:hover{background:#fff;color:var(--navy)}
.menu-button{display:none;background:transparent;border:0;padding:8px}.menu-button i{display:block;width:25px;height:2px;background:#fff;margin:5px;border-radius:2px}
.hero{min-height:730px;position:relative;color:#fff;display:flex;align-items:flex-end;overflow:hidden;background:var(--navy)}.hero-media{position:absolute;inset:0;background:url('../images/hero-relay.webp') center 45%/cover no-repeat;transform:scale(1.01)}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,18,34,.94) 0%,rgba(5,18,34,.72) 38%,rgba(5,18,34,.12) 72%),linear-gradient(0deg,rgba(5,18,34,.82),transparent 35%)}
.hero-content{position:relative;padding:170px 0 52px}.eyebrow{font-size:.78rem;font-weight:900;letter-spacing:.18em;text-transform:uppercase;color:#6ee7bf;margin:0 0 16px}.eyebrow.dark{color:var(--green-dark)}
.hero h1{font-size:clamp(3rem,6.5vw,6.2rem);line-height:.96;letter-spacing:-.055em;margin:0;max-width:900px}.hero h1 span{color:#77e9bd}.lead{max-width:650px;font-size:1.18rem;color:rgba(255,255,255,.82);margin:27px 0 30px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 22px;font-weight:850;font-size:.92rem}.button.primary{background:linear-gradient(135deg,var(--green),#35d9a1);color:#052a21;box-shadow:0 12px 30px rgba(32,197,139,.28)}.button.secondary{border:1px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(9px)}
.hero-points{list-style:none;padding:28px 0 0;margin:55px 0 0;border-top:1px solid rgba(255,255,255,.18);display:grid;grid-template-columns:repeat(3,minmax(0,220px));gap:38px}.hero-points strong,.hero-points span{display:block}.hero-points strong{color:#fff;font-size:.95rem}.hero-points span{font-size:.82rem;color:rgba(255,255,255,.63);margin-top:2px}
.section{padding:100px 0}.intro{background:#fff}.intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:10%;align-items:start}.intro h2,.section-heading h2,.split-content h2,.health-copy h2{font-size:clamp(2.15rem,4vw,3.7rem);line-height:1.08;letter-spacing:-.045em;margin:0}.intro-copy{font-size:1.05rem;color:var(--muted)}.intro-copy p:first-child{margin-top:0}.intro-copy p:last-child{margin-bottom:0}
.feature-section{background:var(--paper);position:relative}.feature-section:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 10%,rgba(37,99,235,.1),transparent 28%),radial-gradient(circle at 10% 100%,rgba(32,197,139,.1),transparent 25%);pointer-events:none}.section-heading{position:relative}.section-heading.centered{text-align:center;margin:0 auto 44px}.section-heading.centered>p:last-child{max-width:650px;margin:16px auto 0;color:var(--muted)}.section-heading.narrow{max-width:760px}
.cards{display:grid;gap:22px;position:relative}.cards.three{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid #e5ebf2;border-radius:var(--radius);padding:35px;box-shadow:0 10px 35px rgba(8,24,45,.06)}.icon-card{min-height:275px}.icon-card.featured{background:var(--navy);color:#fff;border-color:var(--navy);transform:translateY(-10px);box-shadow:0 24px 60px rgba(8,24,45,.24)}.number{font-size:.78rem;font-weight:900;color:var(--green-dark);letter-spacing:.15em}.featured .number{color:#6ee7bf}.card h3{font-size:1.55rem;margin:58px 0 10px;letter-spacing:-.025em}.card p{color:var(--muted);margin:0}.featured p{color:rgba(255,255,255,.72)}
.split-section{background:#fff}.split-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:7%;align-items:center}.image-panel{min-height:610px;border-radius:28px;background-size:cover;background-position:center;position:relative;overflow:hidden;box-shadow:var(--shadow)}.training-image{background-image:url('../images/training-track.webp')}.image-note{position:absolute;left:25px;right:25px;bottom:25px;background:rgba(8,24,45,.9);color:#fff;padding:20px 22px;border-radius:16px;backdrop-filter:blur(10px)}.image-note strong,.image-note span{display:block}.image-note span{font-size:.82rem;opacity:.7;margin-top:3px}.split-content>p:not(.eyebrow):not(.fine-print){color:var(--muted);font-size:1.04rem}.check-list{margin:30px 0;display:grid;gap:18px}.check-list>div{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start}.check-list span{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:#e5faf2;color:var(--green-dark);font-weight:900}.check-list p{margin:2px 0;color:var(--muted)}.check-list strong{color:var(--ink)}.fine-print{font-size:.78rem;color:#8090a0;border-left:3px solid #d9e2eb;padding-left:14px}
.health-band{background:var(--navy);color:#fff;overflow:hidden}.health-grid{min-height:520px;display:grid;grid-template-columns:1fr 1.08fr;align-items:stretch}.health-copy{padding:80px 70px 80px 0;align-self:center}.health-copy>p:not(.eyebrow){color:rgba(255,255,255,.7);max-width:590px}.health-image{background:url('../images/running-health.webp') center/cover no-repeat;min-height:520px;position:relative}.health-image:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy),transparent 22%)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:35px}.stats>div{border-top:1px solid rgba(255,255,255,.18);padding-top:16px}.stats strong,.stats span{display:block}.stats strong{font-size:2rem;color:#6ee7bf}.stats span{font-size:.75rem;color:rgba(255,255,255,.6)}
.resources{background:#fff}.link-grid{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid #e5ebf2;border-radius:24px;overflow:hidden;box-shadow:0 15px 50px rgba(8,24,45,.07)}.link-grid a{padding:28px 22px;min-height:245px;background:#fff;border-right:1px solid #e5ebf2;display:flex;flex-direction:column;transition:.22s}.link-grid a:last-child{border-right:0}.link-grid a:hover{background:#f5fbf8;transform:translateY(-3px)}.link-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#e7f7f1;color:var(--green-dark);font-weight:950;margin-bottom:28px}.link-grid strong{font-size:1rem}.link-grid small{font-size:.79rem;color:var(--muted);line-height:1.5;margin-top:8px}.link-grid em{font-style:normal;font-size:.76rem;color:var(--green-dark);font-weight:800;margin-top:auto;padding-top:18px}
.site-footer{background:#061323;color:#fff;padding:58px 0 20px}.footer-main{display:grid;grid-template-columns:1fr auto auto;gap:50px;align-items:center}.footer-brand{display:flex;align-items:center;gap:14px}.footer-brand strong{letter-spacing:.08em}.footer-brand p{font-size:.78rem;color:rgba(255,255,255,.55);margin:3px 0 0}.sale-box{text-align:center;border-left:1px solid rgba(255,255,255,.15);border-right:1px solid rgba(255,255,255,.15);padding:0 55px}.sale-box p{margin:0 0 5px}.sale-box a{color:#6ee7bf;font-weight:850}.back-top{font-size:.82rem;color:rgba(255,255,255,.7)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;color:rgba(255,255,255,.45);font-size:.72rem}
@media (max-width:980px){
  .menu-button{display:block;z-index:3}.main-nav{position:absolute;top:72px;left:20px;right:20px;display:none;flex-direction:column;align-items:stretch;background:rgba(8,24,45,.97);padding:18px;border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav .nav-cta{text-align:center}
  .hero{min-height:720px}.hero-content{padding-top:155px}.hero-points{grid-template-columns:repeat(3,1fr)}
  .cards.three{grid-template-columns:1fr}.icon-card.featured{transform:none}.icon-card{min-height:auto}.card h3{margin-top:30px}
  .split-grid,.intro-grid{grid-template-columns:1fr}.split-grid{gap:55px}.intro-grid{gap:26px}.image-panel{min-height:520px}
  .health-grid{grid-template-columns:1fr}.health-copy{padding-right:0}.health-image{min-height:430px}.health-image:before{background:linear-gradient(180deg,var(--navy),transparent 18%)}
  .link-grid{grid-template-columns:repeat(2,1fr)}.link-grid a{border-bottom:1px solid #e5ebf2}.link-grid a:nth-child(2n){border-right:0}.link-grid a:last-child{grid-column:1/-1}
  .footer-main{grid-template-columns:1fr;text-align:center}.footer-brand{justify-content:center}.sale-box{border:0;border-top:1px solid rgba(255,255,255,.15);border-bottom:1px solid rgba(255,255,255,.15);padding:25px 0}.footer-bottom{flex-direction:column;gap:6px;text-align:center}
}
@media (max-width:650px){
  :root{--container:min(100% - 28px,1180px)}.site-header,.nav-wrap{height:72px}.brand small{display:none}.hero{min-height:760px}.hero-media{background-position:61% center}.hero-shade{background:linear-gradient(90deg,rgba(5,18,34,.95),rgba(5,18,34,.53)),linear-gradient(0deg,rgba(5,18,34,.9),transparent 50%)}.hero-content{padding-top:135px;padding-bottom:38px}.hero h1{font-size:3.15rem}.lead{font-size:1rem}.hero-actions{flex-direction:column;align-items:stretch}.hero-points{grid-template-columns:1fr;gap:15px;margin-top:38px}.hero-points li{border-left:2px solid rgba(110,231,191,.5);padding-left:12px}.section{padding:76px 0}.intro h2,.section-heading h2,.split-content h2,.health-copy h2{font-size:2.25rem}.card{padding:26px}.image-panel{min-height:440px}.image-note{left:15px;right:15px;bottom:15px}.stats{grid-template-columns:1fr}.health-copy{padding:70px 0}.link-grid{grid-template-columns:1fr}.link-grid a,.link-grid a:nth-child(2n){border-right:0}.link-grid a:last-child{grid-column:auto}.footer-main{gap:30px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}