:root{
  --bg: #0e0f12;
  --card: #16181d;
  --text: #e8eaf0;
  --muted: #adb3c0;
  --accent: #6aa9ff;
  --accent-2: #a26bff;
  --border: #23262d;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 16px;
}

*{ box-sizing: border-box; }
html, body{
  margin: 0;
  padding: 0;
  background: radial-gradient(1200px 800px at 20% -10%, #182030 0%, var(--bg) 55%);
  color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  line-height: 1.6;
}

.container{
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header{
  padding: 64px 0 36px;
  background: linear-gradient(180deg, rgba(20,30,46,0.6), rgba(14,15,18,0));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.project-title{
  margin: 0 0 6px 0;
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: 0.2px;
}

.project-subtitle{
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.card{
  background: linear-gradient(180deg, rgba(30,34,42,0.6), rgba(22,24,29,0.85));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 22px;
}

.project-spec{
  margin-top: 28px;
}

.spec-list{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px 24px;
  margin: 0;
}

.spec-list dt{
  font-weight: 600;
  color: var(--muted);
  font-size: 0.95rem;
}

.spec-list dd{
  margin: 4px 0 0 0;
}

.badges{
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge{
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #121419;
  font-size: 0.85rem;
}

.grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 22px;
}

.contacts{
  margin-top: 22px;
}

.contact-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px 24px;
}

.site-footer{
  margin-top: 36px;
  padding: 28px 0 40px;
  color: var(--muted);
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.95rem;
}

/* odkazy */
a{
  color: var(--accent);
  text-decoration: none;
}
a:hover{
  text-decoration: underline;
}

/* väčšie obrazovky */
@media (min-width: 720px){
  .grid{
    grid-template-columns: 1fr 1fr;
  }
  .contact-grid{
    grid-template-columns: 1fr 1fr;
  }
  .spec-list{
    grid-template-columns: 220px 1fr;
    gap: 10px 28px;
  }
  .spec-list > div{
    display: contents; /* umožní DT/DD ísť do stĺpcov */
  }
}