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

@font-face {
  font-family: 'DejaVuSans';
  src: url('/res/fonts/DejaVuSans.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'DejaVuSans';
  src: url('/res/fonts/DejaVuSans-Bold.ttf') format('truetype');
  font-weight: bold;
  font-style: normal;
}

:root {
  --bg: #080810;
  --bg-card: #0f0f1a;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.13);
  --text: #e8e8f0;
  --muted: #7070a0;
  --dimmed: #3a3a5a;

  --teal:   #00d4aa;
  --violet: #a78bfa;
  --amber:  #fb923c;
  --rose:   #f472b6;

  --font: 'DejaVuSans', 'DejaVu Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

/* ── GLOWS ── */
.glow-1, .glow-2 {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.12;
}
.glow-1 { width: 700px; height: 700px; background: var(--teal);   top: -300px; right: -200px; }
.glow-2 { width: 500px; height: 500px; background: var(--violet); bottom: -100px; left: -150px; }

/* ── LAYOUT ── */
.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* ── HERO ── */
.hero {
  padding: 7rem 0 5rem;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dimmed);
  margin-bottom: 1.6rem;
}

.hero-title {
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: bold;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: #fff;
}

.hero-title .accent {
  display: block;
  background: linear-gradient(120deg, var(--teal) 0%, var(--violet) 55%, var(--rose) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── NAV LIST ── */
.nav {
  flex: 1;
  padding: 3rem 0 5rem;
}

.nav-section {
  display: grid;
  grid-template-columns: 160px 1fr;
  border-bottom: 1px solid var(--border);
  animation: fadeUp 0.5s ease both;
}

.nav-section:nth-child(1) { animation-delay: 0.05s; }
.nav-section:nth-child(2) { animation-delay: 0.12s; }
.nav-section:nth-child(3) { animation-delay: 0.19s; }
.nav-section:nth-child(4) { animation-delay: 0.26s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-label {
  padding: 2rem 0;
  padding-top: 2.1rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.nav-label-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 5px;
}

.s-tools  .nav-label-dot { background: var(--teal);   box-shadow: 0 0 8px var(--teal); }
.s-edu    .nav-label-dot { background: var(--violet); box-shadow: 0 0 8px var(--violet); }
.s-games  .nav-label-dot { background: var(--amber);  box-shadow: 0 0 8px var(--amber); }
.s-tvorba .nav-label-dot { background: var(--rose);   box-shadow: 0 0 8px var(--rose); }

.nav-label-text {
  font-size: 11px;
  font-weight: bold;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-items {
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.6rem;
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: background 0.18s, color 0.18s, padding-left 0.18s;
  position: relative;
  overflow: hidden;
}

.nav-item:last-child { border-bottom: none; }

.nav-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  transform: scaleY(0);
  transition: transform 0.2s;
  transform-origin: center;
}

.s-tools  .nav-item::before { background: var(--teal); }
.s-edu    .nav-item::before { background: var(--violet); }
.s-games  .nav-item::before { background: var(--amber); }
.s-tvorba .nav-item::before { background: var(--rose); }

.nav-item:hover {
  background: rgba(255,255,255,0.025);
  padding-left: 2rem;
}

.nav-item:hover::before { transform: scaleY(1); }

.s-tools  .nav-item:hover { color: var(--teal); }
.s-edu    .nav-item:hover { color: var(--violet); }
.s-games  .nav-item:hover { color: var(--amber); }
.s-tvorba .nav-item:hover { color: var(--rose); }

.nav-item-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-item-icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

.nav-item-name {
  font-size: 15px;
  font-weight: bold;
}

.nav-item-desc {
  font-size: 12px;
  color: var(--muted);
  font-weight: normal;
  margin-left: 2px;
  transition: color 0.18s;
}

.nav-item:hover .nav-item-desc { color: inherit; opacity: 0.6; }

.nav-item-arrow {
  font-size: 13px;
  color: var(--dimmed);
  transition: color 0.18s, transform 0.18s;
  flex-shrink: 0;
}

.nav-item:hover .nav-item-arrow {
  transform: translateX(4px);
  color: inherit;
}

.nav-item.soon {
  opacity: 0.35;
  pointer-events: none;
}

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  padding: 2rem 2.5rem;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dimmed);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .page { padding: 0 1.2rem; }
  .hero { padding: 4rem 0 3rem; }
  .nav-section { grid-template-columns: 1fr; }
  .nav-label { padding: 1.2rem 0 0.4rem; border-bottom: none; }
  .nav-items { border-left: none; border-top: 1px solid var(--border); }
}