:root{--primary:#0f766e;--primary-dark:#0d4f4a;--accent:#e8fbf7;--text:#172033;--muted:#64748b;--line:#dbe7e7;--bg:#f7fbfb;--card:#fff;--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}a{color:inherit}.container{width:min(1160px,calc(100% - 36px));margin:auto}.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 0;gap:18px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:900;font-size:22px}.brand img{width:54px;height:54px;object-fit:contain;border-radius:14px}.menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.menu a{text-decoration:none;color:#253044;font-weight:700;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff!important;border:0;border-radius:999px;padding:12px 18px;text-decoration:none;font-weight:800;box-shadow:0 12px 24px rgba(15,118,110,.18);cursor:pointer}.btn.alt{background:#151515}.btn.light{background:#fff;color:var(--primary)!important}.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#e9fffb 0%,#f7fbfb 48%,#d9f7f0 100%);padding:70px 0 78px}.hero:before{content:"";position:absolute;inset:auto -80px -120px auto;width:420px;height:420px;border-radius:50%;background:rgba(15,118,110,.12)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:36px}.eyebrow{display:inline-flex;background:#fff;color:var(--primary);font-weight:900;border-radius:999px;padding:8px 13px;border:1px solid var(--line);margin-bottom:16px}.hero h1{font-size:clamp(38px,5vw,68px);line-height:.98;margin:0 0 18px;font-weight:900;color:#151515}.hero h1 span{color:var(--primary)}.hero p{font-size:18px;color:#4b5a6b;margin:0 0 24px;max-width:620px}.hero-img{position:relative;text-align:center}.hero-img img{width:min(100%,520px);filter:drop-shadow(0 24px 30px rgba(30,79,74,.18))}.quick-card{position:absolute;left:0;bottom:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 18px 38px rgba(23,32,51,.12);text-align:left;max-width:270px}.quick-card strong{display:block;color:var(--primary);font-size:21px}.section{padding:64px 0}.section-title{text-align:center;margin-bottom:34px}.section-title h2{font-size:clamp(30px,3vw,44px);margin:0 0 10px;color:#151515}.section-title p{margin:0;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 16px 35px rgba(25,46,70,.07);overflow:hidden}.card-body{padding:20px}.study-img{width:100%;height:220px;object-fit:cover;background:#eef7f5}.badge{display:inline-flex;background:var(--accent);color:var(--primary);border-radius:999px;padding:6px 11px;font-weight:900;font-size:12px;margin-bottom:10px}.card h3{margin:0 0 10px;font-size:22px;color:#151515}.muted{color:var(--muted)}.price{font-size:23px;color:var(--primary);font-weight:900;margin:14px 0}.study-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.features{background:#fff}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff;text-align:center;min-height:150px}.feature img{height:46px;object-fit:contain;margin-bottom:14px}.feature h3{font-size:18px;margin:0;color:#151515}.banner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.promo{min-height:220px;background:linear-gradient(135deg,var(--primary),#164e63);color:#fff;border-radius:var(--radius);padding:24px;position:relative;overflow:hidden}.promo img{position:absolute;right:-20px;bottom:-22px;max-width:210px;opacity:.24}.contact{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff}.contact-card{background:#fff;color:var(--text);border-radius:var(--radius);padding:26px;box-shadow:0 20px 45px rgba(0,0,0,.12)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.socials{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.footer{background:#111827;color:#dbeafe;padding:26px 0}.detail-hero{padding:46px 0;background:linear-gradient(135deg,#e9fffb,#fff)}.detail-grid{display:grid;grid-template-columns:1fr .75fr;gap:30px;align-items:start}.detail-cover{width:100%;max-height:520px;object-fit:cover;border-radius:var(--radius);box-shadow:0 22px 46px rgba(23,32,51,.14)}.detail-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 16px 35px rgba(25,46,70,.07);position:sticky;top:92px}.detail-card h1{font-size:clamp(34px,4vw,54px);line-height:1;margin:8px 0 16px}.info-list{display:grid;gap:10px;margin-top:18px}.info-row{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:10px}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.gallery img{width:100%;height:180px;object-fit:cover;border-radius:16px}.empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted)}@media(max-width:900px){.nav{align-items:flex-start}.menu{gap:10px}.hero-grid,.detail-grid,.contact-grid{grid-template-columns:1fr}.cards,.banner-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.quick-card{position:static;margin-top:12px;max-width:none}.detail-card{position:static}.gallery{grid-template-columns:1fr 1fr}}@media(max-width:560px){.container{width:min(100% - 24px,1160px)}.nav{flex-direction:column}.menu a:not(.btn){display:none}.hero{padding:42px 0}.section{padding:42px 0}.feature-grid,.gallery{grid-template-columns:1fr}.study-img{height:190px}.brand{font-size:18px}.brand img{width:46px;height:46px}}