:root {
  --ink: #0f1b2d;
  --ink-soft: #46546a;
  --line: #e3e8ef;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --accent: #1f4fd8;
  --accent-dark: #173ca8;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.brand-mark { width: 30px; height: 30px; color: var(--accent); }
.brand-light { font-weight: 500; color: var(--ink-soft); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--ink-soft); text-decoration: none; font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-small { padding: 8px 16px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-alt); border-color: var(--line); }

/* Hero */
.hero { padding: 112px 0 96px; background: linear-gradient(180deg, #f3f6fc 0%, #fff 100%); }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.12; letter-spacing: -0.02em; max-width: 820px; margin: 0 0 20px; }
.lead { font-size: 1.2rem; color: var(--ink-soft); max-width: 640px; margin: 0 0 36px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.78rem; font-weight: 600; color: var(--accent); margin: 0 0 12px; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 16px; }
h3 { font-size: 1.1rem; margin: 0 0 8px; }
.muted, .prose p { color: var(--ink-soft); }
.prose p { margin: 0 0 16px; font-size: 1.05rem; }

.two-col { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.value { border-top: 2px solid var(--ink); padding-top: 20px; }
.value p { color: var(--ink-soft); margin: 0; }

/* Product cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.card p { color: var(--ink-soft); }
.card-muted { background: transparent; border-style: dashed; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.card-head h3 { font-size: 1.35rem; margin: 0; }
.card-link { font-weight: 600; text-decoration: none; }
.card-link:hover { text-decoration: underline; }
.tag { font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: #e6f4ea; color: #1e7a3c; white-space: nowrap; }
.tag-muted { background: #eceff3; color: var(--ink-soft); }

/* Contact form */
.contact-form { display: grid; gap: 18px; }
.contact-form label { display: grid; gap: 6px; font-weight: 500; font-size: 0.95rem; }
.contact-form input, .contact-form textarea {
  font: inherit; padding: 12px 14px; border: 1px solid #cfd6e0; border-radius: 8px; background: #fff; color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.contact-form .btn { justify-self: start; }
.form-note { margin: 0; color: var(--ink-soft); font-size: 0.9rem; min-height: 1.4em; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; font-size: 0.9rem; color: var(--ink-soft); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-inner p { margin: 0; }
.footer-inner nav { display: flex; gap: 20px; }
.footer-inner a { color: var(--ink-soft); text-decoration: none; }
.footer-inner a:hover { color: var(--ink); }

/* Simple text pages (privacy) */
.page { padding: 72px 0 96px; max-width: 760px; }
.page h1 { font-size: 2.2rem; margin: 0 0 8px; }
.page h2 { font-size: 1.3rem; margin: 36px 0 8px; }
.page p, .page li { color: var(--ink-soft); }

@media (max-width: 800px) {
  .two-col, .values, .cards { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 72px 0 64px; }
  .section { padding: 64px 0; }
  .nav-links { gap: 18px; }
  .nav-links a[href="#about"] { display: none; }
}