/* Digital ANT — jednostranični korporativni web, bez JavaScripta */

:root {
  --ink: #16181c;
  --ink-soft: #4a4f57;
  --muted: #767c87;
  --line: #e4e2dd;
  --bg: #faf9f7;
  --bg-alt: #f2f0ec;
  --surface: #ffffff;

  --projektant: #2f5fd0;
  --projektant-soft: #eaf0fd;
  --sportant: #e0663a;
  --sportant-soft: #fcefe9;

  --radius: 14px;
  --container: 1120px;

  font-synthesis: none;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

.section-narrow { max-width: 760px; }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 249, 247, 0.9);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark { flex: none; }

.brand-name {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-name-accent { font-weight: 800; }

.site-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
}

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

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-decor {
  position: absolute;
  inset: 0;
  color: var(--line);
  pointer-events: none;
}

.hero-decor svg {
  width: 100%;
  height: 100%;
}

.hero-inner {
  position: relative;
  padding: 96px 24px 88px;
  text-align: center;
}

.kicker {
  margin: 0 0 18px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.hero-lead {
  margin: 0 auto;
  max-width: 620px;
  font-size: 1.1rem;
  color: var(--ink-soft);
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

/* ---------- Sections ---------- */

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.section h2 {
  margin: 0 0 20px;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section p.lead {
  font-size: 1.08rem;
  color: var(--ink-soft);
}

/* ---------- Zašto mi ---------- */

.reasons-grid {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.reason {
  background: var(--surface);
  padding: 32px;
}

.reason-index {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.reason h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.reason p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ---------- Products ---------- */

.products {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.product {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  border-top: 4px solid var(--line);
  display: flex;
  flex-direction: column;
}

.product-projektant { border-top-color: var(--projektant); }
.product-sportant { border-top-color: var(--sportant); }

.product-head {
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-icon {
  flex: none;
  width: 40px;
  height: 40px;
}

.product-name {
  margin: 0;
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.product-projektant .product-name-accent { color: var(--projektant); }
.product-sportant .product-name-accent { color: var(--sportant); }

.product-tagline {
  margin: 0 0 16px;
  font-weight: 700;
  font-size: 1.02rem;
}

.product-projektant .product-tagline { color: var(--projektant); }
.product-sportant .product-tagline { color: var(--sportant); }

.product-desc {
  margin: 0 0 22px;
  color: var(--ink-soft);
}

.product-features {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.product-features li {
  padding-left: 22px;
  position: relative;
  font-size: 0.95rem;
  color: var(--ink);
}

.product-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.product-projektant .product-features li::before { background: var(--projektant); }
.product-sportant .product-features li::before { background: var(--sportant); }

.btn-product {
  margin-top: auto;
  align-self: flex-start;
  color: #fff;
}

.product-projektant .btn-product { background: var(--projektant); }
.product-sportant .btn-product { background: var(--sportant); }

.product-note {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sportant);
  background: var(--sportant-soft);
  padding: 8px 16px;
  border-radius: 999px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0;
}

.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer-tagline {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 600;
}

.footer-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  .site-nav { gap: 18px; }
  .hero-inner { padding: 72px 24px 64px; }
  .section { padding: 64px 0; }
  .reasons-grid { grid-template-columns: 1fr; }
  .products { grid-template-columns: 1fr; }
  .header-inner { justify-content: center; text-align: center; }
}