:root{--teal:#0d5c63;--teal2:#12808a;--aqua:#a3eaff;--aqua-soft:#eaf8fd;--green:#4c8055;--ink:#17323a;--mut:#55707a;--line:#dcebee}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:var(--teal2)}img{max-width:100%}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:10}
.header-in{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.logo{font-size:24px;font-weight:800;color:var(--teal);text-decoration:none;letter-spacing:.3px}
.main-nav a{margin-left:18px;color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.main-nav a:hover{color:var(--teal2)}
.hero{background:linear-gradient(180deg,var(--aqua-soft),#fff);padding:48px 0 8px}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.hero h1{font-size:40px;line-height:1.15;margin:.2em 0;color:var(--teal)}
.hero-img img{border-radius:18px;box-shadow:0 12px 32px rgba(13,92,99,.15)}
.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:12px;font-weight:700;color:var(--green)}
.price .now{font-size:30px;font-weight:800;color:var(--teal)} .price .was{color:var(--mut);text-decoration:line-through;font-size:20px;margin-left:8px}
.price .save{background:var(--aqua);border-radius:20px;padding:2px 10px;font-size:13px;font-weight:700;margin-left:8px}
.buy-btn{display:inline-block;background:var(--teal);color:#fff!important;padding:14px 34px;border-radius:999px;font-weight:700;text-decoration:none;font-size:17px;border:0;cursor:pointer}
.buy-btn:hover{background:var(--teal2)} .ghost-btn{display:inline-block;padding:13px 26px;border:2px solid var(--teal);border-radius:999px;color:var(--teal);font-weight:700;text-decoration:none;margin-left:8px}
.buy-note{color:var(--mut);font-size:14px}.meta-line{color:var(--mut)}
.prose{max-width:780px;padding:28px 20px}.prose h1{color:var(--teal);line-height:1.2}.prose h2{color:var(--teal);margin-top:1.4em}
.article .cover{border-radius:14px;margin:10px 0 20px}.date{color:var(--mut);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:24px 0}
.card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.card a{text-decoration:none;color:var(--ink)} .card img{width:100%;height:170px;object-fit:cover;display:block}
.card-in{padding:14px 16px}.card h3{margin:.2em 0;font-size:17px;line-height:1.35}
.lede{font-size:18px;color:var(--mut);max-width:640px}
.product-top{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding-top:36px}
.product-info h1{color:var(--teal);line-height:1.2}
.thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.thumbs img,.thumb{width:72px;height:72px;object-fit:cover;border-radius:10px;cursor:pointer;border:2px solid var(--line)}
#main-img{border-radius:16px;box-shadow:0 10px 28px rgba(13,92,99,.12)}
.contact-form label{display:block;margin:14px 0;font-weight:600}
.contact-form input,.contact-form textarea{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;font:inherit;margin-top:5px}
.site-footer{background:var(--aqua-soft);margin-top:56px;padding:36px 0 10px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.site-footer a{display:block;color:var(--ink);text-decoration:none;margin:6px 0}
.foot-base{border-top:1px solid var(--line);margin-top:20px;padding-top:8px;color:var(--mut);font-size:14px}
h2{color:var(--teal)}
@media(max-width:820px){.hero-in,.product-top,.foot-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.main-nav a{margin-left:10px;font-size:14px}.hero h1{font-size:30px}}
@media(max-width:520px){.grid{grid-template-columns:1fr}}