:root {
  color-scheme: light;
  --bg: #f7fafc;
  --ink: #0f172a;
  --muted: #526173;
  --line: #d9e2ec;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --accent: #f59e0b;
  --card: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: inherit; }
.header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.9); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav { max-width: 1180px; margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { font-weight: 800; letter-spacing: -.03em; }
.nav-links { display: flex; gap: 18px; align-items: center; color: var(--muted); font-size: 14px; }
.nav-links a { text-decoration: none; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-radius: 999px; background: var(--brand); color: #fff; text-decoration: none; font-weight: 700; border: 0; cursor: pointer; }
.button.secondary { background: #e6fffb; color: var(--brand-dark); }
.hero { background: radial-gradient(circle at 80% 20%, #99f6e4 0, transparent 28%), linear-gradient(135deg, #ecfeff 0%, #f8fafc 60%); }
.hero-inner { max-width: 1180px; margin: 0 auto; padding: 72px 20px 52px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; align-items: center; }
.eyebrow { color: var(--brand); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
h1 { font-size: clamp(40px, 6vw, 72px); line-height: .94; letter-spacing: -.07em; margin: 14px 0 20px; }
.hero p { font-size: 18px; line-height: 1.7; color: var(--muted); max-width: 680px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }
.trust-list { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin-top: 28px; }
.trust-list div { background: rgba(255,255,255,.75); border: 1px solid var(--line); border-radius: 18px; padding: 14px; font-weight: 700; }
.hero-card { background: #0f172a; color: #e5fffb; border-radius: 32px; padding: 18px; box-shadow: 0 24px 70px rgba(15,23,42,.18); }
.hero-card img { width: 100%; display: block; border-radius: 22px; background: #123; }
.hero-card ul { margin: 16px 0 0; padding: 0 0 0 20px; line-height: 1.8; color: #b6e7e2; }
.section { max-width: 1180px; margin: 0 auto; padding: 64px 20px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 24px; }
.section h2 { font-size: clamp(30px, 4vw, 48px); letter-spacing: -.04em; margin: 0; }
.section-head p { color: var(--muted); max-width: 620px; line-height: 1.7; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.product-card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: 0 12px 30px rgba(15,23,42,.06); }
.product-card img { width: 100%; aspect-ratio: 1.22; object-fit: cover; background: #102; }
.product-card-body { padding: 18px; }
.product-card span { color: var(--brand); font-weight: 800; font-size: 13px; }
.product-card h3 { min-height: 58px; margin: 8px 0; font-size: 20px; line-height: 1.15; letter-spacing: -.02em; }
.product-card p { color: var(--muted); line-height: 1.55; font-size: 14px; }
.product-card a { color: var(--brand-dark); font-weight: 800; text-decoration: none; }
.process { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.process article { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 22px; }
.process strong { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 50%; background: #ccfbf1; color: var(--brand-dark); }
.process p { color: var(--muted); line-height: 1.6; }
.inquiry { background: #0f172a; color: #fff; }
.inquiry-inner { max-width: 1180px; margin: 0 auto; padding: 64px 20px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; }
.inquiry h2 { font-size: clamp(34px, 5vw, 56px); margin: 0 0 16px; letter-spacing: -.05em; }
.inquiry p { color: #b6c6d5; line-height: 1.7; }
form { background: #fff; color: var(--ink); border-radius: 28px; padding: 24px; display: grid; gap: 14px; }
label { display: grid; gap: 7px; font-weight: 800; font-size: 14px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; font: inherit; }
textarea { min-height: 120px; resize: vertical; }
.footer { padding: 28px 20px; text-align: center; color: var(--muted); font-size: 14px; }
@media (max-width: 900px) {
  .hero-inner, .inquiry-inner { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .process, .trust-list { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) { .product-grid { grid-template-columns: 1fr; } }