:root{--gc-navy:#102b3f;--gc-blue:#0d6efd;--gc-cyan:#24b5d8;--gc-bg:#f3f6f8;--gc-ink:#142331;--gc-muted:#607280;--gc-line:#d9e2e8;--gc-white:#fff}
.gc-shell{width:min(1160px,calc(100% - 40px));margin:0 auto}.gc-hero{background:linear-gradient(120deg,#0b2335 0%,#103d59 58%,#0f6784 100%);color:#fff;padding:92px 0 76px;position:relative;overflow:hidden}.gc-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-90px;top:-170px}.gc-hero h1{font-size:clamp(2.3rem,5vw,4.8rem);line-height:1.04;max-width:930px;margin:.25em 0}.gc-hero p{font-size:1.18rem;max-width:720px;color:#d7e8ef}.gc-eyebrow,.gc-step-label{font-size:.76rem;font-weight:800;letter-spacing:.13em;color:var(--gc-cyan)}.gc-route-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.gc-route-badges span{border:1px solid rgba(255,255,255,.25);padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.08)}
.gc-calculator{background:#fff;border:1px solid var(--gc-line);border-radius:20px;padding:clamp(22px,4vw,46px);box-shadow:0 22px 60px rgba(16,43,63,.12);margin:42px auto}.gc-calculator__intro{max-width:720px}.gc-calculator h2{font-size:clamp(1.65rem,3vw,2.65rem);color:var(--gc-navy);margin:.25em 0}.gc-calculator p{color:var(--gc-muted)}.gc-step{display:none;margin-top:30px}.gc-step.is-active{display:block}.gc-grid{display:grid;gap:18px;margin-top:13px}.gc-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.gc-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.gc-form label{display:flex;flex-direction:column;gap:7px;font-weight:700;color:var(--gc-ink);font-size:.92rem}.gc-form input,.gc-form select{width:100%;border:1px solid var(--gc-line);border-radius:10px;padding:13px 14px;background:#fbfcfd;color:var(--gc-ink);font:inherit}.gc-form input:focus,.gc-form select:focus{outline:3px solid rgba(36,181,216,.18);border-color:var(--gc-cyan)}.gc-checks{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px}.gc-checks label{flex-direction:row;align-items:center}.gc-checks input{width:auto}.gc-form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:28px}.gc-button{border:0;border-radius:10px;padding:13px 22px;background:var(--gc-blue);color:#fff;font-weight:800;cursor:pointer}.gc-button--ghost{background:#e9f0f4;color:var(--gc-navy)}.gc-button:disabled{opacity:.55}.gc-result{margin-top:22px;padding:16px 18px;background:#eaf8fb;border-left:4px solid var(--gc-cyan);border-radius:8px;color:var(--gc-navy)}.gc-hint{font-size:.82rem}.gc-content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:42px 0 80px}.gc-content-grid article{background:var(--gc-bg);padding:28px;border-radius:16px}.gc-content-grid h2{color:var(--gc-navy);font-size:1.35rem}.gc-content-grid p{color:var(--gc-muted)}
@media(max-width:760px){.gc-grid--2,.gc-grid--3,.gc-content-grid{grid-template-columns:1fr}.gc-hero{padding:64px 0 50px}.gc-shell{width:min(100% - 24px,1160px)}.gc-calculator{border-radius:14px}.gc-form-actions{justify-content:stretch}.gc-button{flex:1}}