:root{--ink:#102326;--muted:#647276;--blue:#1d5870;--teal:#2f9a9c;--soft:#f3faf8;--line:#d9e6e3;--white:#fff;--coral:#d97954}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:system-ui,'Yu Gothic',sans-serif;line-height:1.7;background:var(--white)}a{color:inherit;text-decoration:none}.nav{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;min-height:68px;padding:0 clamp(20px,5vw,72px);background:rgba(255,255,255,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.brand{font-size:22px;font-weight:800}.nav nav{display:flex;gap:24px;color:var(--muted);font-weight:700}.hero{min-height:82vh;display:grid;align-items:center;padding:80px clamp(20px,5vw,72px);color:white;background:linear-gradient(90deg,rgba(9,30,38,.88),rgba(9,30,38,.48)),url('./assets/blueflow-hero-retreat.svg') center/cover no-repeat}.hero>div{max-width:820px}.kicker{margin:0 0 12px;color:var(--teal);font-weight:900;letter-spacing:.08em;text-transform:uppercase}h1{font-size:clamp(48px,8vw,104px);line-height:.98;margin:0 0 22px}h2{font-size:clamp(32px,5vw,64px);line-height:1.08;margin:0 0 18px}p{font-size:18px;color:var(--muted)}.hero p{color:rgba(255,255,255,.84);font-size:22px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;margin-top:14px;padding:0 20px;border-radius:8px;background:var(--blue);color:white;font-weight:800;border:0;cursor:pointer}.section{padding:80px clamp(20px,5vw,72px)}.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,420px);gap:48px;align-items:start}.card{display:grid;gap:14px;padding:24px;border:1px solid var(--line);border-radius:8px;background:white;box-shadow:0 18px 45px rgba(31,96,117,.10)}label{display:grid;gap:8px;font-weight:800}input,select{height:44px;border:1px solid var(--line);border-radius:6px;padding:0 12px;font:inherit}.result{background:#102a30;color:white}.result p{color:rgba(255,255,255,.78)}.price{max-width:520px;margin-top:24px;color:var(--ink)}.price span,.link-card span{color:var(--coral);font-size:28px;font-weight:900}.link-card strong{font-size:24px}footer{display:flex;gap:20px;flex-wrap:wrap;padding:28px clamp(20px,5vw,72px);border-top:1px solid var(--line);color:var(--muted);font-weight:700}@media(max-width:800px){.nav nav{display:none}.grid{grid-template-columns:1fr}.hero{min-height:auto}h1{font-size:54px}.section{padding:56px 20px}}