/* ============================================================
   Base — Reset, Hintergrund-FX, Shell, Typo
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ui);
  background: var(--bg-0);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  letter-spacing: 0.2px;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* --- Hintergrund-FX --------------------------------------- */
.fx-grid, .fx-glow, .fx-scanlines {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
}
.fx-grid {
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 46, 151, 0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 80%);
  animation: gridDrift 24s linear infinite;
}
@keyframes gridDrift { to { background-position: 0 46px, 46px 0; } }

.fx-glow { z-index: -3; filter: blur(70px); opacity: 0.55; border-radius: 50%; }
.fx-glow--magenta { width: 60vw; height: 60vw; top: -22vw; left: -14vw; background: radial-gradient(circle, rgba(255, 46, 151, 0.5), transparent 65%); animation: floatA 18s ease-in-out infinite; }
.fx-glow--cyan { width: 55vw; height: 55vw; bottom: -24vw; right: -12vw; background: radial-gradient(circle, rgba(0, 229, 255, 0.45), transparent 65%); animation: floatB 22s ease-in-out infinite; }
@keyframes floatA { 50% { transform: translate(6vw, 4vw); } }
@keyframes floatB { 50% { transform: translate(-5vw, -3vw); } }

.fx-scanlines {
  z-index: -1;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.16) 0, rgba(0, 0, 0, 0.16) 1px, transparent 2px, transparent 4px);
  opacity: 0.35; mix-blend-mode: overlay;
}

/* --- Topbar ------------------------------------------------ */
.topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 28px;
  padding: 14px clamp(16px, 4vw, 40px);
  background: linear-gradient(180deg, rgba(5, 6, 10, 0.92), rgba(5, 6, 10, 0.55));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; flex-direction: column; gap: 3px; }
.brand__logo { height: 54px; width: auto; display: block; filter: drop-shadow(0 0 14px rgba(255, 46, 151, 0.35)); transition: filter 0.25s, transform 0.25s; }
.brand:hover .brand__logo { filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.55)); transform: translateY(-1px); }
.brand__sub { font-family: var(--font-ui); font-size: 10px; color: var(--text-faint); letter-spacing: 3px; padding-left: 2px; }

.topnav { display: flex; gap: 6px; margin-left: auto; }
.topnav a {
  position: relative; padding: 9px 18px; border-radius: 99px;
  font-weight: 600; font-size: 15px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--text-dim); transition: color 0.2s, background 0.2s;
}
.topnav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.topnav a.active { color: #05060a; background: var(--grad-main); box-shadow: var(--glow-magenta); }

.server-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 13px; border-radius: 99px;
  background: rgba(0, 229, 255, 0.06); border: 1px solid rgba(0, 229, 255, 0.25);
  font-family: var(--font-mono); font-size: 12px; color: var(--cyan-soft);
}
.server-badge__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 10px var(--lime); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }

/* --- App-Container ----------------------------------------- */
.app { max-width: var(--maxw); margin: 0 auto; padding: clamp(20px, 4vw, 40px) clamp(16px, 4vw, 40px) 80px; }

.site-foot {
  max-width: var(--maxw); margin: 0 auto; padding: 24px clamp(16px, 4vw, 40px) 40px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--text-faint); letter-spacing: 1px;
}
.site-foot__demo { font-family: var(--font-mono); color: var(--magenta-soft); }

/* --- Utilities --------------------------------------------- */
.grad-text { background: var(--grad-main); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mono { font-family: var(--font-mono); }

/* --- Responsiv --------------------------------------------- */
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 12px 18px; }
  .brand__sub, .server-badge__ip { display: none; }
  .brand__logo { height: 32px; }
  .topnav { margin-left: 0; order: 3; width: 100%; overflow-x: auto; }
  .server-badge { margin-left: auto; }
}