:root {
  /* Brand teal is too light for text on white; --teal-text is its
     readable shade (AA on white) for links, labels and eyebrows. */
  --teal: #14b8a6;
  --teal-hover: #0d9488;
  --teal-text: #0f766e;
  --ink: #1b2a4a;
  --text: #3d4860;
  --muted: #6b7280;
  --line: #e3e7ee;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --radius: 12px;
  --max: 1120px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
img, svg { display: block; max-width: 100%; }
a { color: var(--ink); text-decoration-color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--teal-text); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 88px 0; }
.section.soft { background: var(--bg-soft); }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-text);
  margin-bottom: 12px;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 42em; }
.section-head { max-width: 46em; margin-bottom: 48px; }

/* 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);
  box-shadow: inset 0 3px 0 var(--teal);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.1rem; }
.brand img { height: 34px; width: auto; }
.brand:hover { color: var(--ink); }
.nav { display: flex; gap: 28px; }
.nav a { text-decoration: none; color: var(--text); font-weight: 500; font-size: 0.95rem; }
.nav a:hover { color: var(--teal-text); }

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

/* Hero */
.hero { padding: 96px 0 88px; background: linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%); }
.hero .wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.hero p.lead { margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-logo { justify-self: center; width: min(320px, 80%); }

/* Services */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  background: rgba(20, 184, 166, 0.14);
  color: var(--ink);
}
.card ul { margin: 0; padding-left: 1.1em; color: var(--muted); }
.card .licence { font-size: 0.85rem; font-weight: 600; color: var(--ink); margin-top: -0.4em; }
.card li { margin-bottom: 4px; }

/* Product */
.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--ink);
  color: #c9d1e3;
  border-radius: 20px;
  padding: 56px;
}
.product h2 { color: #fff; }
.product .eyebrow { color: var(--teal); }
.product ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.product li { display: flex; gap: 12px; align-items: flex-start; }
.product li::before { content: ""; flex: none; width: 8px; height: 8px; margin-top: 0.6em; border-radius: 50%; background: var(--teal); }
.product .btn-primary { margin-top: 12px; }

/* About */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.facts { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.facts li { padding: 18px 24px; border-bottom: 1px solid var(--line); }
.facts li:last-child { border-bottom: 0; }
.facts span { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.facts strong { color: var(--ink); font-weight: 600; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
.form { display: grid; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 0.9rem; color: var(--ink); }
.form input, .form textarea {
  font: inherit;
  font-weight: 400;
  padding: 11px 14px;
  border: 1px solid #cfd5df;
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
}
.form input:focus, .form textarea:focus { outline: 2px solid rgba(20, 184, 166, 0.4); border-color: var(--teal-text); }
.form textarea { min-height: 150px; resize: vertical; }
.form .hp { position: absolute; left: -9999px; }
.form-note { font-size: 0.85rem; color: var(--muted); margin: 0; }
.notice { padding: 14px 18px; border-radius: 8px; font-weight: 500; margin: 0; }
.notice.ok { background: #e7f6f5; color: #1b5e5c; }
.notice.err { background: #fdecec; color: #8a1f1f; }
.notice[hidden] { display: none; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; font-size: 0.9rem; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-footer a { color: var(--muted); }

/* Text pages */
.page { padding: 64px 0 88px; }
.page .wrap { max-width: 760px; }
.page h2 { font-size: 1.3rem; margin-top: 2em; }

@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .hero { padding: 64px 0; }
  .hero .wrap, .product, .about, .contact { grid-template-columns: 1fr; }
  .hero-logo { display: none; }
  .grid { grid-template-columns: 1fr; }
  .product { padding: 32px 24px; }
  .nav { display: none; }
}