/* ---------- Základ ---------- */

:root {
  --navy: #10233a;
  --navy-dark: #0a1727;
  --amber: #f0a020;
  --amber-dark: #cf860f;
  --text: #1c2733;
  --text-muted: #5b6b7c;
  --line: #dde4ec;
  --bg: #ffffff;
  --bg-alt: #f4f7fa;
  --radius: 10px;
  --shadow: 0 2px 4px rgba(16, 35, 58, .06), 0 12px 28px rgba(16, 35, 58, .07);
  --container: 1140px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

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

a {
  color: var(--amber-dark);
}

h1, h2, h3 {
  line-height: 1.2;
  color: var(--navy);
  margin: 0 0 .6em;
}

h1 { font-size: 2.6rem; letter-spacing: -.02em; }
h2 { font-size: 2rem; letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--amber-dark);
  margin-bottom: .6em;
}

.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
}

.lead--narrow {
  max-width: 62ch;
  margin-bottom: 2.5rem;
}

/* ---------- Hlavička a menu ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(16, 35, 58, .97);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: #fff;
}

.logo img {
  width: auto;
  height: 38px;
}

.logo__claim {
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, .2);
  font-size: .72rem;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .6);
}

.nav ul {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  display: block;
  padding: 10px 16px;
  border-radius: 6px;
  color: rgba(255, 255, 255, .82);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  transition: background-color .15s, color .15s;
}

.nav a:hover,
.nav a:focus-visible {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

/* Prepínač menu pre mobil – bez JavaScriptu */
.nav-toggle { display: none; }

.nav-toggle__btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 9px;
  border-radius: 6px;
  cursor: pointer;
}

.nav-toggle__btn span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

/* ---------- Sekcie ---------- */

.section {
  padding: 88px 0;
  scroll-margin-top: 72px;
}

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

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

.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding-bottom: 64px;
}

.hero h1,
.hero h2,
.hero h3 { color: #fff; }

.hero .lead { color: rgba(255, 255, 255, .78); }

.hero .eyebrow { color: var(--amber); }

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero__text .lead {
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color .15s, color .15s, border-color .15s;
}

.btn--primary {
  background: var(--amber);
  color: var(--navy-dark);
}

.btn--primary:hover { background: #ffb43d; }

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
}

.btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, .08);
}

/* ---------- Čísla ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  list-style: none;
  margin: 72px 0 0;
  padding: 28px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .14);
}

.stats li {
  display: flex;
  flex-direction: column;
}

.stats strong {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1.1;
}

.stats span {
  font-size: .92rem;
  color: rgba(255, 255, 255, .7);
}

/* ---------- Mriežky ---------- */

.grid {
  display: grid;
  gap: 28px;
}

.grid--2 { grid-template-columns: 1fr 1fr; align-items: start; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.prose p:last-child { margin-bottom: 0; }

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  border-top: 3px solid var(--amber);
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: .98rem;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 24px;
}

.checklist li {
  position: relative;
  padding: 12px 0 12px 34px;
  border-bottom: 1px solid var(--line);
}

.checklist li:last-child { border-bottom: 0; }

.checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 14px;
  height: 8px;
  border-left: 2.5px solid var(--amber);
  border-bottom: 2.5px solid var(--amber);
  transform: rotate(-45deg);
}

/* ---------- Obrázky ---------- */

.figure {
  margin: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #e9eef4;
}

.figure--hero {
  background: transparent;
  border: 0;
  box-shadow: none;
  overflow: visible;
}

.figure--hero img {
  aspect-ratio: auto;
  height: auto;
  object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .45));
}

.figure--wide {
  margin-top: 40px;
}

.figure--wide img {
  aspect-ratio: 16 / 9;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

/* ---------- Kontakt ---------- */

.contact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.contact__block h3 {
  margin-bottom: .35em;
}

.contact__block p {
  margin: 0;
  color: var(--text-muted);
}

/* ---------- Pätička ---------- */

.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, .65);
  padding: 28px 0;
  font-size: .9rem;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  justify-content: space-between;
}

.footer p { margin: 0; }

.footer__credits {
  font-size: .78rem;
  color: rgba(255, 255, 255, .45);
}

.footer__credits a { color: inherit; }

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer__nav a {
  color: rgba(255, 255, 255, .65);
  text-decoration: none;
}

.footer__nav a:hover { color: #fff; }

/* ---------- Responzivita ---------- */

@media (max-width: 1100px) {
  .contact {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.7rem; }

  .section { padding: 60px 0; }

  .hero__inner,
  .grid--2,
  .grid--3,
  .gallery {
    grid-template-columns: 1fr;
  }

  .contact {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    margin-top: 48px;
  }

  .nav-toggle__btn { display: flex; }

  .header__inner { flex-wrap: wrap; }

  .logo__claim { display: none; }

  .nav {
    display: none;
    width: 100%;
    padding-bottom: 12px;
  }

  .nav-toggle:checked ~ .nav { display: block; }

  .nav ul {
    flex-direction: column;
    gap: 2px;
  }

  .nav a {
    padding: 12px 14px;
    background: rgba(255, 255, 255, .05);
  }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .container { padding: 0 18px; }
  .hero__actions .btn { width: 100%; text-align: center; }
}