:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --text: #16181d;
  --muted: #5c6370;
  --line: #e4e6eb;
  --accent: #1d3f8f;
  --accent-dark: #152f6d;
  --radius: 10px;
  --max: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav { display: flex; gap: 28px; }

.nav a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.15s;
}

.nav a:hover { color: var(--text); }

/* Hero */
.hero { padding: 120px 0 100px; }

.eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }

.btn-ghost { border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--muted); }

.cmyk { display: flex; gap: 8px; margin-top: 64px; }

.cmyk span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.cmyk .c { background: #00a3e0; }
.cmyk .m { background: #d6006f; }
.cmyk .y { background: #f5c400; }
.cmyk .k { background: #16181d; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }

h2 {
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

/* Products */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.15s;
}

.card:hover { border-color: var(--accent); }

.card p { color: var(--muted); font-size: 0.95rem; }

.custom-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 20px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--bg-alt);
}

.custom-note p { color: var(--muted); font-size: 0.95rem; max-width: 560px; }
.custom-note .btn { flex-shrink: 0; }

/* About */
.about {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: center;
}

.about h2 { margin-bottom: 20px; }
.about p { color: var(--muted); font-size: 1.05rem; max-width: 520px; }

.stats { list-style: none; display: grid; gap: 24px; }

.stats li {
  display: flex;
  flex-direction: column;
  padding-left: 20px;
  border-left: 2px solid var(--accent);
}

.stats strong { font-size: 1.4rem; font-weight: 600; }
.stats span { color: var(--muted); font-size: 0.9rem; }

/* Contact */
.contact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.contact h3 {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.contact p { font-size: 1.05rem; }
.contact a { color: var(--accent); }
.contact a:hover { text-decoration: underline; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .brand { gap: 8px; font-size: 0.98rem; }
  .brand img { width: 22px; height: 25px; }
  .nav { gap: 14px; }
  .nav a { font-size: 0.85rem; }
  .hero { padding: 72px 0 64px; }
  .section { padding: 64px 0; }
  .grid, .contact { grid-template-columns: 1fr; }
  .custom-note { flex-direction: column; align-items: flex-start; gap: 20px; }
}