/* webspaces.cz — static skeleton, mobile-first */
:root {
  --bg: #0b1220;
  --panel: #111c2e;
  --panel-2: #16233a;
  --text: #e8eef4;
  --muted: #a8b3b8;
  --accent: #22d3ee;
  --accent-2: #0ea5e9;
  --border: #24344d;
  --radius: 10px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(60rem 30rem at 85% -5%, rgba(14, 165, 233, 0.16), transparent 60%),
    radial-gradient(50rem 28rem at -10% 30%, rgba(34, 211, 238, 0.10), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent-2); color: #fff; padding: .5rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.logo { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.02em; color: var(--text); }
.logo span { color: var(--accent); }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-right: -0.5rem;
  background: none; border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 0.25rem; }
.site-nav a {
  display: block; padding: 0.6rem 0.9rem; border-radius: 8px;
  color: var(--muted); font-weight: 500;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--text); text-decoration: none; background: var(--panel); }
.site-nav a[aria-current="page"] { color: var(--text); background: var(--panel-2); }

@media (max-width: 640px) {
  .nav-toggle { display: inline-flex; order: -1; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--panel); border-bottom: 1px solid var(--border);
    display: none; padding: 0.5rem 1rem 1rem;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; }
}

/* ---------- hero ---------- */
.hero { padding: 4rem 0 3rem; }
.hero h1 { font-size: clamp(1.9rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 1rem; font-weight: 800; }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 46rem; margin: 0 0 1.75rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-block; padding: 0.65rem 1.4rem; border-radius: 8px;
  font-weight: 600; border: 1px solid transparent; cursor: pointer;
}
.btn:hover, .btn:focus-visible { text-decoration: none; }
.btn-primary { background: var(--accent-2); color: #fff; }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--accent); color: #06202a; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--accent); }

/* ---------- sections ---------- */
section { padding: 3rem 0; }
section > .wrap > h2 {
  font-size: clamp(1.4rem, 3vw, 2rem); margin: 0 0 1.5rem;
  padding-bottom: 0.5rem; border-bottom: 1px solid var(--border);
}
.section-alt { background: rgba(17, 28, 46, 0.5); border-block: 1px solid var(--border); }
p { max-width: 65ch; }
p + p { margin-top: 1rem; }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
}
.card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.card p { margin: 0 0 0.5rem; color: var(--muted); font-size: 0.95rem; }
.card .stat { font-size: 1.6rem; font-weight: 800; color: var(--accent); }

@media (min-width: 640px) { .span-2 { grid-column: span 2; } }

/* tables */
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.06em; }
tr:last-child td { border-bottom: none; }

/* services list */
.services { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; grid-template-columns: 1fr; }
@media (min-width: 700px) { .services { grid-template-columns: 1fr 1fr; } }
.services li {
  display: flex; gap: 0.75rem; align-items: baseline;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 0.7rem 1rem;
}
.services li::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); transform: translateY(-1px); }

/* tech chips */
.tech-group h3 { margin: 1.5rem 0 0.75rem; font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chips span {
  background: var(--panel); border: 1px solid var(--border); border-radius: 999px;
  padding: 0.3rem 0.85rem; font-size: 0.9rem;
}

/* ---------- contact / form ---------- */
.contact-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 800px) { .contact-grid { grid-template-columns: 1.2fr 0.8fr; } }

.contact-form { display: grid; gap: 1rem; }
.contact-form label { font-weight: 600; font-size: 0.95rem; display: grid; gap: 0.4rem; }
.contact-form input, .contact-form textarea {
  font: inherit; color: var(--text); background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 0.65rem 0.8rem;
}
.contact-form textarea { min-height: 9rem; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* honeypot — hidden from humans, visible to bots */
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.form-note { font-size: 0.85rem; color: var(--muted); margin: 0; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; margin-top: 2rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: space-between; align-items: center; color: var(--muted); font-size: 0.9rem; }
.footer-inner a { color: var(--muted); }
.footer-inner a:hover { color: var(--accent); }

/* TODO(owner): replace with real specs */
.todo {
  border: 1px dashed var(--accent-2); border-radius: 8px;
  background: rgba(14, 165, 233, 0.07); padding: 0.75rem 1rem; font-size: 0.9rem; color: var(--muted);
}

code { background: var(--panel-2); border-radius: 4px; padding: 0.1rem 0.35rem; font-size: 0.9em; }