:root{--bg:#fff;--soft:#F5F7FA;--ink:#303844;--muted:#5B6575;--navy:#142B50;--blue:#1766A3;--red:#E52029;--rule:#C9D3E0;--card:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#0F1A2E;--soft:#16233B;--ink:#E3E8F0;--muted:#A9B4C6;--navy:#F2F5FA;--blue:#6DB2E8;--red:#FF5A61;--rule:#2C3C58;--card:#16233B}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.6 "Segoe UI",system-ui,Arial,sans-serif;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
.w{max-width:1040px;margin:0 auto}
header.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;padding:18px 0;border-bottom:1px solid var(--rule)}
.brand{font-weight:700;color:var(--navy);text-decoration:none;font-size:1.15rem}
.brand span{display:block;font-weight:400;font-size:.8rem;color:var(--muted)}
nav{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:.95rem}
nav a{color:var(--ink);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
nav a[aria-current=page],nav a:hover{border-bottom-color:var(--red)}
h1,h2,h3{color:var(--navy);line-height:1.2;text-wrap:balance;margin:0 0 .5em}
h1{font-size:clamp(2rem,5.5vw,3.1rem)}h2{font-size:clamp(1.5rem,3.6vw,2rem)}h3{font-size:1.15rem}
p{margin:0 0 1em;max-width:62ch}
.hero{padding:44px 0 28px;display:grid;gap:32px;grid-template-columns:1.05fr 1fr;align-items:center}
.hero>*{min-width:0}
.kicker{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--red);margin-bottom:10px}
.lead{font-size:1.25rem;color:var(--ink)}
.btn{display:inline-block;background:var(--red);color:#fff;text-decoration:none;font-weight:700;padding:14px 26px;border-radius:6px;margin:6px 10px 6px 0}
.btn.alt{background:transparent;color:var(--blue);border:2px solid var(--blue)}
.note{font-size:.9rem;color:var(--muted)}
video{width:100%;border-radius:8px;background:#000;display:block}
section{padding:36px 0;border-top:1px solid var(--rule)}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.grid>*{min-width:0}
.card{background:var(--soft);border:1px solid var(--rule);border-radius:8px;padding:20px}
.card p:last-child{margin-bottom:0}
.steps{counter-reset:s;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(118px,1fr));padding:0;list-style:none;margin:0}
.steps li{background:var(--soft);border:1px solid var(--rule);border-radius:8px;padding:16px;text-align:center}
.steps img{width:48px;height:48px}
.steps b{display:block;color:var(--navy);margin-top:6px}
.steps span{font-size:.88rem;color:var(--muted);display:block}
.line{border-left:4px solid var(--red);background:var(--soft);padding:18px 22px;border-radius:0 8px 8px 0;font-size:1.15rem}
.line b{color:var(--navy)}
.cta{background:var(--navy);color:#fff;border-radius:10px;padding:34px 28px;margin:12px 0 40px}
.cta h2,.cta p{color:#fff}
@media (prefers-color-scheme:dark){.cta{background:var(--soft);border:1px solid var(--rule)}}
footer{border-top:1px solid var(--rule);padding:24px 0 40px;font-size:.88rem;color:var(--muted)}
footer a{color:var(--muted)}
ul.tick{padding-left:1.1em}ul.tick li{margin-bottom:.4em}
@media(max-width:760px){.hero{grid-template-columns:1fr;padding-top:26px}body{font-size:17px}}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:54px;width:auto;display:block}
.brand span{display:block;font-weight:400;font-size:.8rem;color:var(--muted);max-width:11ch;line-height:1.3}
@media (prefers-color-scheme:dark){.brand img{background:#fff;border-radius:8px;padding:4px 10px}}
@media(max-width:520px){.brand span{display:none}.brand img{height:44px}}
.pill{display:inline-block;background:var(--soft);border:1px solid var(--rule);border-radius:999px;padding:3px 12px;font-size:.8rem;font-weight:700;color:var(--navy);margin-bottom:12px}
.challenge{border:2px solid var(--red);border-radius:10px;padding:26px 26px 18px;margin:8px 0}
.challenge .kicker{margin-bottom:6px}
.challenge p.big{font-size:1.3rem;color:var(--navy);font-weight:600;line-height:1.4;max-width:60ch}
.feat{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.feat>*{min-width:0}
.scene{margin:0 0 22px}
.scene img{width:100%;height:auto;display:block;border-radius:12px}
.scene figcaption{font-size:.9rem;color:var(--muted);margin-top:8px}
.pair{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.pair>*{min-width:0}
.card .scene{margin-bottom:14px}
p.facts{font-weight:700;color:var(--navy);margin:0 0 18px}
p.fit{margin-top:10px}

.vid-v{display:flex;flex-direction:column;align-items:center}
.vid-v video{width:auto;max-width:100%;max-height:min(640px,72vh);aspect-ratio:9/16;border-radius:12px}
.scene img[src$='.jpg']{object-fit:cover;aspect-ratio:800/460;height:auto}

.post{max-width:720px;margin:0 auto;padding:36px 0 8px}
.post h1{margin-bottom:6px}
.post h2{margin-top:30px}
.post .kicker a{color:inherit;text-decoration:none}
blockquote.claim{margin:16px 0;padding:6px 0 6px 18px;border-left:4px solid #E52029;background:none}
blockquote.claim p{margin:0 0 4px;font-size:1.08em}
blockquote.claim cite{font-style:normal;font-size:.9em;opacity:.75}
.srcs ol{padding-left:20px}.srcs li{margin-bottom:8px;font-size:.92em}
a.post-card{text-decoration:none;color:inherit;display:block}

.photo-hero{position:relative;overflow:hidden;border-radius:14px;margin:28px 0 8px;min-height:400px;display:flex;align-items:center;justify-content:flex-end;background:#142B50;color:#fff}
.photo-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:30% 50%}
.photo-hero .shade{position:absolute;inset:0;background:linear-gradient(270deg,rgba(10,20,40,.9) 0%,rgba(10,20,40,.7) 40%,rgba(10,20,40,0) 70%)}
.photo-hero .txt{position:relative;padding:40px;max-width:520px}
.photo-hero h1.kicker{font-size:.8rem;color:#7CCBF2;margin:0 0 12px}
.photo-hero .lead{color:#fff;font-size:1.2rem;margin:0}
@media(max-width:760px){.photo-hero{min-height:380px}.photo-hero .shade{background:rgba(10,20,40,.72)}.photo-hero .txt{padding:28px 22px}}
.card .pill{margin-bottom:10px}