*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-primary: #1a3a5c;
  --clr-accent:  #0ea5e9;
  --clr-accent2: #38bdf8;
  --clr-bg:      #f8fafc;
  --clr-surface: #ffffff;
  --clr-text:    #1e293b;
  --clr-muted:   #64748b;
  --radius:      12px;
  --shadow:      0 4px 24px rgba(0,0,0,.08);
  --max-w:       1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.65;
  font-size: 16px;
}

/* ── NAV ─────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -.5px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-primary);
  letter-spacing: -.3px;
}

.logo-text span { color: var(--clr-accent); }

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav ul a {
  text-decoration: none;
  color: var(--clr-muted);
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}

nav ul a:hover { color: var(--clr-accent); }

/* ── HERO ────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #0f2744 60%, #0c1f3a 100%);
  color: #fff;
  padding: 6rem 1.5rem 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230ea5e9' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(14,165,233,.2);
  border: 1px solid rgba(14,165,233,.4);
  color: var(--clr-accent2);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.5px;
  margin-bottom: 1.25rem;
}

.hero h1 span { color: var(--clr-accent2); }

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 560px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-block;
  padding: .85rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  transition: all .2s;
}

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

.btn-primary:hover {
  background: var(--clr-accent2);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(14,165,233,.4);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,.35);
  color: #fff;
  margin-left: .75rem;
}

.btn-outline:hover {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.08);
}

/* ── SECTION COMMON ──────────────────────────────── */
section { padding: 5rem 1.5rem; }

.section-inner { max-width: var(--max-w); margin: 0 auto; }

.section-label {
  display: inline-block;
  color: var(--clr-accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .6rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--clr-primary);
  letter-spacing: -.3px;
  margin-bottom: 1rem;
}

.section-sub {
  color: var(--clr-muted);
  max-width: 540px;
  margin-bottom: 3rem;
}

/* ── O NÁS ───────────────────────────────────────── */
#o-nas { background: var(--clr-surface); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p { color: var(--clr-muted); margin-bottom: 1rem; }
.about-text p:last-child { margin-bottom: 0; }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  background: var(--clr-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid #e2e8f0;
}

.stat-card .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--clr-accent);
  display: block;
}

.stat-card .label {
  font-size: .82rem;
  color: var(--clr-muted);
  font-weight: 500;
}

/* ── SLUŽBY ──────────────────────────────────────── */
#sluzby { background: var(--clr-bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--clr-surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid #e2e8f0;
  transition: transform .25s, box-shadow .25s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,.11);
}

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #e0f2fe, #bae6fd);
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  font-size: 1.4rem;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: .5rem;
}

.service-card p {
  font-size: .9rem;
  color: var(--clr-muted);
  line-height: 1.6;
}

/* ── TÝM ─────────────────────────────────────────── */
#tym { background: var(--clr-surface); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.team-card {
  border-radius: var(--radius);
  border: 1px solid #e2e8f0;
  overflow: hidden;
  background: var(--clr-bg);
}

.team-avatar {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: grid;
  place-items: center;
  font-size: 3.5rem;
  color: rgba(255,255,255,.7);
}

.team-info { padding: 1.5rem; }

.team-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-primary);
}

.team-info .role {
  font-size: .85rem;
  color: var(--clr-accent);
  font-weight: 600;
  margin-bottom: .5rem;
}

.team-info p {
  font-size: .88rem;
  color: var(--clr-muted);
}

/* ── KONTAKT ─────────────────────────────────────── */
#kontakt { background: var(--clr-bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}

.contact-item .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #e0f2fe, #bae6fd);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-item .text strong {
  display: block;
  font-size: .85rem;
  color: var(--clr-muted);
  font-weight: 600;
  margin-bottom: .1rem;
}

.contact-item .text span {
  font-size: .95rem;
  color: var(--clr-text);
}

.company-box h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 1.5rem;
}

.company-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: baseline;
  padding: .55rem 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: .9rem;
  gap: .75rem;
}

.company-row:last-child { border-bottom: none; }
.company-row .key { color: var(--clr-muted); font-weight: 500; }
.company-row .val { color: var(--clr-text); font-weight: 600; }

/* ── FOOTER ──────────────────────────────────────── */
footer {
  background: var(--clr-primary);
  color: rgba(255,255,255,.7);
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: .85rem;
}

footer strong { color: #fff; }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 768px) {
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; }

  nav ul { display: none; }

  .hero { padding: 4rem 1.5rem 3.5rem; }

  .btn-outline { display: none; }
}