:root{--ink:#0f172a;--muted:#475569;--bg:#fff;--alt:#f1f5f9;--line:#e2e8f0;--accent:#06b6d4;--accent-d:#0e7490;--r:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-d)}
.wrap{width:min(1080px,100% - 2rem);margin-inline:auto}
.narrow{width:min(760px,100% - 2rem)}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:0}
.site-header{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:1rem;padding:.6rem 0}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:800;color:var(--ink);text-decoration:none;margin-right:auto}
.bar nav{display:none;gap:1.25rem}
.bar nav a{color:var(--muted);text-decoration:none;font-weight:500}
.bar nav a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--accent-d);color:#fff;font-weight:700;text-decoration:none;padding:.9rem 1.5rem;border-radius:999px;box-shadow:0 6px 18px rgba(14,116,144,.3);transition:transform .15s,background .15s}
.btn:hover{background:#155e75;transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.btn-small{padding:.5rem 1rem;font-size:.9rem;box-shadow:none}
.btn-light{background:#fff;color:var(--ink);box-shadow:none}
.btn-light:hover{background:#ecfeff}
.hero{background:linear-gradient(180deg,#ecfeff,#fff);padding:2.5rem 0 3rem}
.hero-grid{display:grid;gap:2rem;align-items:center}
.eyebrow{color:var(--accent-d);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin:0}
h1{font-size:clamp(2rem,6vw,3.25rem);line-height:1.1;margin:.4rem 0 1rem;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,4vw,2.25rem);line-height:1.2;margin:0 0 .4rem;letter-spacing:-.01em}
h3{margin:.5rem 0 .25rem;font-size:1.15rem}
.lead{font-size:1.15rem;color:var(--muted);margin:0 0 1.5rem}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:1rem}
.price-note{font-weight:600;color:var(--muted)}
.chips{list-style:none;padding:0;margin:1.5rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.25rem .8rem;font-size:.9rem;color:var(--muted)}
.hero-art{text-align:center}
.hero-art img{width:100%;max-width:460px}
.art-note{font-size:.8rem;color:#64748b;margin:.25rem 0 0}
.section{padding:3.5rem 0}
.section.alt{background:var(--alt)}
.sub{color:var(--muted);margin:0 0 2rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.5rem}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:1rem}
.steps .card{position:relative}
.num{position:absolute;top:1rem;right:1.25rem;font-weight:800;font-size:2rem;color:#cbd5e1}
.grid{display:grid;gap:1rem}
.grid .card h3{margin-top:0}
.grid .card p,.steps .card p{margin:0;color:var(--muted)}
.media-grid{display:grid;gap:1rem}
.placeholder{margin:0;border:2px dashed #94a3b8;border-radius:var(--r);background:var(--alt);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:1.5rem;text-align:center;color:var(--muted);min-height:180px}
.placeholder.video{aspect-ratio:16/9;max-height:360px;width:100%}
.placeholder.photo{aspect-ratio:4/3}
.placeholder figcaption{font-size:.9rem}
.buy{background:var(--ink);color:#fff;padding:2.5rem 0}
.buy h2{margin:0}
.buy p{margin:.25rem 0 0;color:#cbd5e1}
.buy-inner{display:flex;flex-direction:column;gap:1.25rem;align-items:flex-start}
details{border-bottom:1px solid var(--line);padding:1rem 0}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--accent-d)}
details[open] summary::after{content:"\2212"}
details p{margin:.6rem 0 0;color:var(--muted)}
.site-footer{background:#f8fafc;border-top:1px solid var(--line);padding:2rem 0;font-size:.95rem;color:var(--muted)}
.foot{display:grid;gap:1.25rem}
.legal{font-size:.8rem;margin:0;color:#64748b}
@media(min-width:700px){
 .bar nav{display:flex}
 .hero{padding:4rem 0 4.5rem}
 .hero-grid{grid-template-columns:1.1fr .9fr}
 .steps{grid-template-columns:repeat(3,1fr)}
 .grid{grid-template-columns:repeat(2,1fr)}
 .media-grid{grid-template-columns:repeat(3,1fr)}
 .media-grid .video{grid-column:1/-1}
 .buy-inner{flex-direction:row;align-items:center;justify-content:space-between}
 .foot{grid-template-columns:1fr 1fr;}
 .legal{grid-column:1/-1}
}
@media(min-width:960px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}