:root {
  --bg-main: #f7f1e6;
  --text-main: #111111;
  --text-muted: #555555;
  --accent: #c89b3c; /* zlatá přibližně */
  --border-soft: rgba(0, 0, 0, 0.06);
  --radius-lg: 1.5rem;
  --radius-md: 0.75rem;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.08);
  --max-width: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
}

/* LANGUAGE VISIBILITY */
/*
[data-lang="en"],
[data-lang="cs"] {
  display: none;
}


body.lang-en [data-lang="en"] {
  display: initial;
}

body.lang-cs [data-lang="cs"] {
  display: initial;
}

body.lang-en h1[data-lang="en"],
body.lang-en h2[data-lang="en"],
body.lang-en h3[data-lang="en"],
body.lang-en p[data-lang="en"],
body.lang-en li[data-lang="en"] {
  display: block;
}

body.lang-cs h1[data-lang="cs"],
body.lang-cs h2[data-lang="cs"],
body.lang-cs h3[data-lang="cs"],
body.lang-cs p[data-lang="cs"],
body.lang-cs li[data-lang="cs"] {
  display: block;
}
*/
/* LAYOUT */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg-main) 85%, #ffffff 15%);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06);
  object-fit: cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* NAV */

.nav {
  display: none;
  gap: 1.5rem;
  font-size: 0.9rem;
}

.nav a {
  text-decoration: none;
  color: var(--text-muted);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.18s ease-out;
}

.nav a:hover::after {
  width: 100%;
}

.lang-switch {
  display: flex;
  gap: 0.25rem;
}

.lang-switch button {
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  padding: 0.25rem 0.65rem;
  background: #ffffff80;
  font-size: 0.75rem;
  cursor: pointer;
}

/* HERO */

.hero {
  padding: 3.5rem 0 3rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.hero-lead {
  max-width: 32rem;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-logo-big {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.hero-logo-big img {
    width: min(260px, 60vw);
    height: auto;
    border-radius: 999px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: #111111;
  color: #ffffff;
}

.btn-secondary {
  background: transparent;
  color: #111111;
  border-color: var(--border-soft);
}

/* SECTIONS */

.section {
  padding: 3rem 0;
}

.section-alt {
  padding: 3rem 0;
  background: color-mix(in srgb, var(--bg-main) 92%, #ffffff 8%);
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}

.grid-2 {
  display: grid;
  gap: 1.75rem;
}

.cards {
  display: grid;
  gap: 1.5rem;
}

.card {
  background: #ffffffc0;
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-soft);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

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

.list {
  padding-left: 1.2rem;
  margin: 0;
}

.list li {
  margin-bottom: 0.5rem;
}

/* CONTACT */

.company-box {
  background: #ffffffc0;
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border-soft);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.05);
  font-size: 0.9rem;
}

.contact-highlight {
  font-weight: 600;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 1.5rem 0 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* RESPONSIVE */

@media (min-width: 720px) {
  .nav {
    display: flex;
  }

  .hero-inner {
    min-height: 55vh;
    justify-content: center;
  }

  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* LANGUAGE VISIBILITY */
body.lang-en [data-lang="cs"],
body.lang-cs [data-lang="en"] {
  display: none !important;
}