:root{--bg:#f7fafc;--card:#fff;--ink:#102033;--muted:#5c6b7a;--brand:#2563eb;--brand2:#0f766e;--line:#e5eaf0;--soft:#eef6ff}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1120px;margin:auto;padding:0 20px}.site-header{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{display:flex;justify-content:space-between;align-items:center;min-height:72px}.logo{font-weight:800;font-size:1.15rem;color:var(--ink)}.menu{display:flex;gap:18px;flex-wrap:wrap}.menu a{color:var(--ink);font-weight:600}.hero{padding:76px 0;background:linear-gradient(135deg,#eef6ff,#ecfdf5)}.hero-grid,.tool-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}.badge{display:inline-block;background:#dbeafe;color:#1d4ed8;padding:6px 12px;border-radius:999px;font-weight:700;font-size:.85rem}h1{font-size:clamp(2rem,5vw,4rem);line-height:1.05;margin:16px 0}h2{font-size:clamp(1.6rem,3vw,2.35rem);line-height:1.2;margin:0 0 14px}h3{font-size:1.25rem;margin:20px 0 8px}.lead{font-size:1.12rem;color:var(--muted);max-width:720px}.btn{display:inline-block;background:var(--brand);color:#fff;padding:13px 18px;border-radius:12px;font-weight:800;border:none;cursor:pointer}.btn.secondary{background:#fff;color:var(--brand);border:1px solid var(--line)}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 16px 40px rgba(16,32,51,.06)}.hero-card ul{margin:0;padding-left:18px}.section{padding:64px 0}.features,.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature,.blog-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.blog-card{display:flex;flex-direction:column;gap:8px}.calculator{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px}.debt-row{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr auto;gap:10px;margin-bottom:10px}.debt-row input,input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font:inherit}.remove{background:#fee2e2;color:#991b1b;border:0;border-radius:10px;padding:8px 12px;cursor:pointer}.results{background:var(--soft);border-radius:16px;padding:18px;margin-top:18px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left}th{background:#f1f5f9}.cta{background:linear-gradient(135deg,#2563eb,#0f766e);color:#fff;border-radius:24px;padding:36px}.cta p{color:#eaf2ff}.footer{padding:32px 0;border-top:1px solid var(--line);color:var(--muted)}.article{max-width:850px}.article h1{font-size:clamp(2rem,4vw,3rem)}.article-meta{color:var(--muted)}.note{background:#fffbeb;border:1px solid #fde68a;border-radius:16px;padding:16px}.breadcrumbs{font-size:.92rem;margin:24px 0;color:var(--muted)}@media(max-width:850px){.hero-grid,.tool-grid{grid-template-columns:1fr}.features,.blog-grid{grid-template-columns:1fr}.debt-row{grid-template-columns:1fr}.nav{align-items:flex-start;gap:12px;flex-direction:column;padding:14px 0}.menu{gap:12px}}