/* =========================
   THEME TOKENS
========================= */
:root {
  --bg: #070712;
  --panel: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.12);
  --text: #e8f2ff;
  --muted: #a7b2c5;
  --brand: #00fff6;
  --brand-2: #0088ff;

  /* висота шапки для мобільних */
  --hdr-h: 64px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #0e1b33 0%, transparent 60%),
    radial-gradient(1000px 500px at 90% 10%, #091429 0%, transparent 55%),
    var(--bg);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* =========================
   HEADER
========================= */
.hdr {
  position: sticky;
  top: 0;
  z-index: 1002;
  backdrop-filter: blur(8px);
  background: rgba(7,7,18,.5);
  border-bottom: 1px solid var(--border);
}
.hdr__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: Orbitron, Inter, sans-serif;
  font-weight: 800;
  letter-spacing: .08em;
}
.logo__orb {
  width: 18px; height: 18px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--brand), var(--brand-2));
  box-shadow: 0 0 20px var(--brand);
  animation: orb 3s ease-in-out infinite alternate;
}
@keyframes orb {
  to { transform: translateY(-2px) scale(1.05); filter: drop-shadow(0 0 16px var(--brand)); }
}
.logo__text { font-size: 18px; }

/* Desktop nav */
.nav { display: flex; gap: 18px; margin-left: auto; }
.nav__link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 10px;
  transition: .25s;
}
.nav__link:hover { color: var(--text); background: var(--panel); }

/* Search (desktop) */
.search { margin-left: 12px; }
.search input[type="search"]{
  width: 210px;
  max-width: 42vw;
  padding: 8px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  outline: none;
}

/* Burger */
.burger {
  display: none;
  flex: none;
  flex-direction: column;
  gap: 4px;
  width: 40px; height: 32px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.burger span { display: block; width: 18px; height: 2px; background: #d8e6ff; }

/* Mobile menu (hidden by default) */
.mobmenu {
  display: none;
  position: fixed;
  top: var(--hdr-h);
  left: 0; right: 0;
  background: #0f1524;
  border-top: 1px solid var(--border);
  z-index: 1001;
}
.mobmenu a {
  display: block;
  padding: 14px 16px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobmenu a:hover { background: var(--panel); }

/* Backdrop for mobile menu */
.backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(2px);
  z-index: 1000;
}

/* Opened state controlled by JS */
.menu-open .mobmenu,
.menu-open .backdrop { display: block; }
/* lock scroll when menu open */
.menu-open { overflow: hidden; }

/* =========================
   HERO
========================= */
.hero { position: relative; overflow: hidden; padding: 80px 16px 40px; }
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(0,255,246,.15), transparent 60%),
    radial-gradient(600px 300px at 80% 0%, rgba(0,136,255,.15), transparent 60%);
}
.hero__content { max-width: 1200px; margin: 0 auto; text-align: center; }
.hero__title-top {
  display: block; font-family: Orbitron, Inter, sans-serif;
  letter-spacing: .4em; color: #9bc9ff; font-size: 14px;
  text-transform: uppercase; opacity: .9;
}
.hero__title-brand {
  display: block; font-family: Orbitron, Inter, sans-serif;
  font-size: clamp(34px, 6vw, 68px); line-height: 1.1;
  text-shadow: 0 0 24px rgba(0,255,246,.25);
}
.hero__subtitle { margin: 12px auto 22px; max-width: 760px; color: var(--muted); font-size: 16px; }
.btn {
  display: inline-block; padding: 12px 18px; border-radius: 14px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #00101a; text-decoration: none; font-weight: 700;
  box-shadow: 0 8px 28px rgba(0,255,246,.25);
}
.btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); box-shadow: none; margin-left: 10px;
}

/* =========================
   LAYOUT & CARDS
========================= */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.section-title { font-family: Orbitron, Inter, sans-serif; font-size: 22px; margin: 30px 0 14px; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1024px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .grid { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden;
  background: rgba(255,255,255,0.03);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0, 255, 246, .10); }

.card__thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.card__thumb img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); }

.badge {
  position: absolute; left: 10px; top: 10px;
  padding: 6px 10px; border-radius: 12px; font-size: 12px; font-weight: 700;
  color: #00101a; background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.card__body { padding: 14px; }
.card__title { font-size: 18px; margin: 2px 0 8px; }
.card__excerpt { color: var(--muted); margin: 0 0 12px; }
.card__more { text-decoration: none; color: var(--brand); font-weight: 700; }

/* =========================
   ABOUT / FOOTER
========================= */
.about { padding: 10px 0 40px; }

.ftr {
  border-top: 1px solid var(--border);
  background: rgba(7,7,18,.5);
}
.ftr__inner {
  display: flex; gap: 16px; justify-content: space-between;
  padding: 16px; color: var(--muted); font-size: 14px;
}

/* =========================
   RESPONSIVE (MOBILE)
========================= */
@media (max-width: 900px) {
  /* приховуємо десктоп-елементи */
  .nav    { display: none; }
  .search { display: none !important; }
  .burger { display: inline-flex; }

  /* відступ під фіксований хедер, щоб контент не залазив під нього */
  body { padding-top: var(--hdr-h); }
}