:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #e5e7eb;
  --primary: #2457d6;
  --primary-dark: #173e9e;
  --accent: #eaf0ff;
  --dark: #101828;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 40px)); margin: auto; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229,231,235,.8);
}
.nav-wrap { min-height: 76px; display:flex; align-items:center; justify-content:space-between; gap:30px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.12rem; }
.brand-mark {
  width: 38px; height: 38px; display:grid; place-items:center;
  border-radius: 11px; background: var(--dark); color:#fff; font-size:.82rem;
}
.nav { display:flex; align-items:center; gap:28px; font-weight:600; font-size:.95rem; color:#475467; }
.nav a:hover { color:var(--primary); }
.menu-toggle { display:none; border:0; background:transparent; font-size:1.5rem; cursor:pointer; }

.hero {
  background:
    radial-gradient(circle at 85% 15%, rgba(36,87,214,.12), transparent 28%),
    linear-gradient(180deg, #f8faff 0%, #fff 100%);
  padding: 92px 0 82px;
}
.hero-grid { display:grid; grid-template-columns: 1.3fr .7fr; gap:70px; align-items:center; }
.eyebrow { display:inline-block; color:var(--primary); font-weight:800; letter-spacing:.11em; font-size:.74rem; margin-bottom:14px; }
h1 { font-size:clamp(2.45rem, 5vw, 4.6rem); line-height:1.05; letter-spacing:-.045em; max-width:760px; }
.hero-content > p { color:var(--muted); font-size:1.1rem; max-width:680px; margin:24px 0; }
.hero-actions { display:flex; gap:12px; flex-wrap:wrap; }
.btn { display:inline-flex; justify-content:center; align-items:center; min-height:48px; padding:0 20px; border-radius:12px; border:1px solid transparent; font-weight:750; cursor:pointer; transition:.2s; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); transform:translateY(-1px); }
.btn-secondary { background:#fff; border-color:var(--line); }
.btn-secondary:hover { border-color:#c7d2fe; }
.trust-row { display:flex; flex-wrap:wrap; gap:16px; color:#667085; margin-top:26px; font-size:.9rem; }
.hero-card { background:var(--dark); color:#fff; padding:38px; border-radius:28px; box-shadow:var(--shadow); }
.card-icon { width:56px; height:56px; display:grid; place-items:center; background:#fff; color:var(--dark); border-radius:16px; font-size:1.6rem; margin-bottom:42px; }
.card-label { color:#b8c2d6; text-transform:uppercase; letter-spacing:.1em; font-size:.72rem; font-weight:800; }
.hero-card h2 { font-size:1.8rem; line-height:1.2; margin:9px 0 14px; }
.hero-card p:last-child { color:#b8c2d6; }

.section { padding:92px 0; }
.section-muted { background:var(--bg); }
.split { display:grid; grid-template-columns:.8fr 1.2fr; gap:80px; }
.split h2, .section-heading h2, .contact-grid h2 { font-size:clamp(2rem,4vw,3rem); line-height:1.12; letter-spacing:-.035em; }
.split p + p { margin-top:18px; }
.split p, .section-heading p, .contact-grid > div > p { color:var(--muted); }
.section-heading { text-align:center; max-width:720px; margin:0 auto 48px; }
.section-heading p { margin-top:12px; }

.category-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:18px; }
.category-card { background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:25px; min-height:205px; transition:.2s; }
.category-card:hover { transform:translateY(-4px); box-shadow:var(--shadow); }
.category-icon { width:42px; height:42px; border-radius:12px; background:var(--accent); color:var(--primary); display:grid; place-items:center; font-weight:900; margin-bottom:24px; }
.category-card h3 { font-size:1.03rem; line-height:1.3; margin-bottom:8px; }
.category-card p { color:var(--muted); font-size:.9rem; }

.feature-grid { display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.feature { background:#fff; padding:30px; display:flex; gap:22px; }
.feature > span { color:var(--primary); font-weight:850; font-size:.85rem; }
.feature h3 { margin-bottom:5px; }
.feature p { color:var(--muted); }

.contact-section { background:#f8faff; }
.contact-grid { display:grid; grid-template-columns: .9fr 1.1fr; gap:70px; align-items:start; }
.contact-list { margin-top:35px; display:grid; gap:14px; }
.contact-list a, .contact-list div { background:#fff; border:1px solid var(--line); padding:17px 18px; border-radius:14px; display:grid; gap:2px; }
.contact-list span { color:var(--muted); font-size:.92rem; }
.contact-form { background:#fff; border:1px solid var(--line); padding:30px; border-radius:22px; box-shadow:var(--shadow); }
.contact-form label { display:block; font-weight:700; margin:0 0 7px; font-size:.9rem; }
.contact-form input, .contact-form textarea {
  width:100%; border:1px solid #d0d5dd; border-radius:11px; padding:12px 13px;
  font:inherit; margin-bottom:17px; outline:none;
}
.contact-form input:focus, .contact-form textarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(36,87,214,.1); }
.form-status { margin-top:12px; color:var(--muted); font-size:.9rem; }

.footer { background:var(--dark); color:#fff; padding:60px 0 22px; }
.footer-grid { display:grid; grid-template-columns:1.5fr .6fr .8fr; gap:60px; }
.footer-brand { margin-bottom:15px; }
.footer p, .footer a { color:#98a2b3; }
.footer p { max-width:410px; }
.footer h4 { margin-bottom:13px; }
.footer-grid > div:not(:first-child) { display:flex; flex-direction:column; gap:8px; }
.footer a:hover { color:#fff; }
.footer-bottom { border-top:1px solid #344054; margin-top:45px; padding-top:18px; display:flex; justify-content:space-between; gap:15px; color:#98a2b3; font-size:.82rem; }

.legal { padding:80px 0; }
.legal article { max-width:820px; margin:auto; }
.legal h1 { font-size:clamp(2.3rem,5vw,3.8rem); margin-bottom:16px; }
.legal .updated { color:var(--muted); margin-bottom:40px; }
.legal h2 { margin:34px 0 10px; font-size:1.4rem; }
.legal p, .legal li { color:#475467; }
.legal ul { padding-left:20px; margin-top:10px; }
.back-home { display:inline-block; margin-bottom:25px; color:var(--primary); font-weight:700; }

@media (max-width: 900px) {
  .hero-grid, .split, .contact-grid { grid-template-columns:1fr; gap:42px; }
  .category-grid { grid-template-columns:repeat(2, 1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width: 680px) {
  .container { width:min(100% - 28px, 1120px); }
  .nav { display:none; position:absolute; top:76px; left:0; right:0; background:#fff; border-bottom:1px solid var(--line); padding:18px 20px; flex-direction:column; align-items:flex-start; }
  .nav.open { display:flex; }
  .menu-toggle { display:block; }
  .hero { padding:65px 0; }
  .section { padding:65px 0; }
  .category-grid, .feature-grid, .footer-grid { grid-template-columns:1fr; }
  .hero-card { padding:28px; }
  .footer-bottom { flex-direction:column; }
}