:root {
  --navy: #023351;
  --navy-2: #0a4a72;
  --green: #00b907;
  --green-dark: #00a006;
  --text: #023351;
  --muted: #41667d;
  --line: #d5e5ef;
  --bg-soft: #f2f7fa;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: #fff;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 16px; }

/* Hlavička */
.header {
  position: sticky; top: 0; z-index: 10;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 72px;
}
.logo img { width: 170px; }
.nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav a {
  text-decoration: none; text-transform: uppercase;
  font-weight: 600; font-size: 14px; letter-spacing: .3px;
  padding: 8px 12px; border-radius: 4px; color: var(--navy);
}
.nav a:hover, .nav a.active { color: var(--green); }
.nav a.btn { color: #fff; margin-left: 8px; }
.nav-toggle { display: none; }

/* Tlačidlá */
.btn {
  display: inline-block;
  background: var(--green); color: #fff;
  text-decoration: none; text-transform: uppercase;
  font-weight: 700; font-size: 14px; letter-spacing: .4px;
  padding: 12px 24px; border-radius: 4px; border: 0;
  transition: background .15s;
}
.btn:hover { background: var(--green-dark); color: #fff; }
.btn-outline { background: transparent; border: 2px solid #fff; padding: 10px 22px; }
.btn-outline:hover { background: #fff; color: var(--navy); }

/* Úvod */
.hero { background: var(--navy); color: #fff; overflow: hidden; }
.hero .wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: center; padding-top: 56px; padding-bottom: 56px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 42px); line-height: 1.2;
  text-transform: uppercase; margin: 0 0 20px; font-weight: 800;
}
.hero p { font-size: 18px; margin: 0 0 28px; color: rgba(255,255,255,.875); }
.hero img { border-radius: 8px; box-shadow: 0 12px 40px rgba(0,0,0,.35); }

/* Sekcie */
.section { padding: 64px 0; }
.section.soft { background: var(--bg-soft); }
.section-title {
  text-align: center; text-transform: uppercase;
  font-size: clamp(24px, 3vw, 32px); font-weight: 800;
  margin: 0 0 12px; line-height: 1.25;
}
.section-lead { text-align: center; color: var(--muted); max-width: 720px; margin: 0 auto 40px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split img { border-radius: 8px; }
.split h2 { text-transform: uppercase; font-size: clamp(22px, 3vw, 30px); margin: 0 0 16px; line-height: 1.25; }
.split p { color: var(--muted); margin: 0 0 24px; }

/* Cenník */
.prices {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px;
}
.price {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 28px 24px; display: flex; flex-direction: column;
  box-shadow: 0 2px 10px rgba(2,51,81,.06);
}
.price h3 {
  text-transform: uppercase; font-size: 17px; margin: 0 0 12px; line-height: 1.3;
}
.price .amount {
  font-size: 22px; font-weight: 800; color: var(--green); margin: 0 0 4px; line-height: 1.25;
}
.price .unit { font-size: 13px; color: var(--muted); text-transform: uppercase; margin: 0 0 20px; }
.price ul { list-style: none; padding: 0; margin: 0 0 24px; flex: 1; }
.price li {
  position: relative; padding: 6px 0 6px 26px; font-size: 14px;
  border-top: 1px solid var(--line); color: var(--muted);
}
.price li::before {
  content: ""; position: absolute; left: 4px; top: 12px;
  width: 6px; height: 11px; border: solid var(--green);
  border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.price .btn { text-align: center; }
.price.extra { background: var(--bg-soft); }

/* E-shopy */
.shops { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.shop {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  text-decoration: none; color: var(--text); display: flex; flex-direction: column;
}
.shop img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.shop div { padding: 20px; }
.shop h3 { margin: 0 0 8px; font-size: 18px; }
.shop p { margin: 0; color: var(--muted); font-size: 14px; }
.shop:hover h3 { color: var(--green); }

/* CTA */
.cta { background: var(--navy); color: #fff; text-align: center; padding: 56px 0; }
.cta h2 { text-transform: uppercase; margin: 0 0 24px; font-size: clamp(22px, 3vw, 30px); }

/* Textové stránky */
.page-head { background: var(--navy); color: #fff; padding: 48px 0; }
.page-head h1 { margin: 0; text-transform: uppercase; font-size: clamp(26px, 4vw, 38px); line-height: 1.2; }
.prose { max-width: 820px; }
.prose h2 { font-size: 22px; margin: 36px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--text); }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px 24px;
}
.card h2 { font-size: 18px; text-transform: uppercase; margin: 0 0 16px; line-height: 1.3; }
.card p { margin: 0 0 12px; color: var(--muted); }
.card table { border-collapse: collapse; width: 100%; color: var(--muted); }
.card td { padding: 4px 0; }
.card td + td { text-align: right; }
.note { margin-top: 32px; font-size: 14px; color: var(--muted); }

/* Päta */
.footer { background: #011f33; color: rgba(255,255,255,.75); font-size: 14px; }
.footer .cols {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; padding: 48px 16px;
}
.footer h4 { color: #fff; text-transform: uppercase; font-size: 14px; margin: 0 0 12px; letter-spacing: .4px; }
.footer p { margin: 0; }
.footer a { color: rgba(255,255,255,.9); text-decoration: none; }
.footer a:hover { color: var(--green); }
.footer .bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding: 20px 16px; display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
}
.footer .bottom nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }

@media (max-width: 860px) {
  .hero .wrap, .split { grid-template-columns: 1fr; }
  .hero .wrap { padding-top: 40px; padding-bottom: 40px; }
  .shops, .contact-grid, .footer .cols { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }

  .nav-toggle {
    display: block; background: none; border: 1px solid var(--line); border-radius: 4px;
    padding: 8px 12px; font: inherit; font-weight: 600; color: var(--navy); cursor: pointer;
  }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 8px 16px 16px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav a.btn { margin: 12px 0 0; text-align: center; border-radius: 4px; border-bottom: 0; }
  .header .wrap { position: relative; }
}
