/* ============================================================
   ASTIA — Design System "The Cosmic Rave"
   Vedi /DESIGN.md per il razionale completo.
   ============================================================ */

:root{
  --void:#0a0612;
  --static:#160c26;
  --static-2:#1e1130;

  --magenta:#ff2d95;
  --magenta-deep:#c2137a;
  --magenta-bright:#ff58ac;
  --cyan:#2de1ff;
  --cyan-deep:#0fa8c4;

  --starlight:#f5f0ff;
  --starlight-muted:rgba(179,168,204,.75);
  --starlight-faint:rgba(179,168,204,.4);

  --font-display:'Unbounded',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'Space Mono',ui-monospace,monospace;

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:24px;
  --radius-full:999px;

  --ease:cubic-bezier(.16,1,.3,1);
  --dur-fast:180ms;
  --dur-base:420ms;

  --glow-m:0 0 32px rgba(255,45,149,.35);
  --glow-m-active:0 0 48px rgba(255,45,149,.55);
  --glow-c:0 0 32px rgba(45,225,255,.3);
}

/* ---------- base ---------- */
.ds-reset *{box-sizing:border-box}
body{background:var(--void);color:var(--starlight);font-family:var(--font-body)}

/* ---------- buttons ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--magenta);color:var(--void);
  font-family:var(--font-display);font-weight:700;font-size:16px;
  padding:18px 32px;border:none;border-radius:var(--radius-full);
  box-shadow:var(--glow-m);cursor:pointer;text-decoration:none;
  transition:background var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease);
}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--magenta-bright);box-shadow:var(--glow-m-active);transform:translateY(-2px) scale(1.02)}
.btn-primary:active{transform:translateY(0) scale(.98)}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--starlight);
  font-family:var(--font-display);font-weight:600;font-size:15px;
  padding:16px 28px;border:1.5px solid rgba(45,225,255,.45);border-radius:var(--radius-full);
  cursor:pointer;text-decoration:none;
  transition:border-color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease);
}
.btn-ghost:hover,.btn-ghost:focus-visible{border-color:var(--cyan);box-shadow:var(--glow-c);transform:translateY(-1px)}

/* ---------- chip ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--static);border:1px solid rgba(255,45,149,.4);color:var(--magenta);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 14px;border-radius:var(--radius-full);
}
.chip.cyan{border-color:rgba(45,225,255,.4);color:var(--cyan)}

/* ---------- card ---------- */
.ds-card{
  background:var(--static);border:1px solid rgba(255,45,149,.35);border-radius:var(--radius-lg);
  box-shadow:var(--glow-m);padding:32px;
}
.ds-card.cyan{border-color:rgba(45,225,255,.35);box-shadow:var(--glow-c)}

/* ---------- motion: keyframes ---------- */
@keyframes ds-pulse-glow{
  0%,100%{box-shadow:var(--glow-m)}
  50%{box-shadow:var(--glow-m-active)}
}
@keyframes ds-fade-up{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes ds-glitch{
  0%,100%{transform:translate(0,0)}
  20%{transform:translate(-1px,1px)}
  40%{transform:translate(1px,-1px)}
  60%{transform:translate(-1px,-1px)}
  80%{transform:translate(1px,1px)}
}
@keyframes ds-aurora{
  0%,100%{opacity:.5;transform:translate3d(0,0,0) scale(1)}
  50%{opacity:.8;transform:translate3d(2%,-2%,0) scale(1.05)}
}
@keyframes ds-scan{
  from{background-position:0 0}
  to{background-position:0 8px}
}

.ds-reveal{animation:ds-fade-up var(--dur-base) var(--ease) both}
.ds-pulse{animation:ds-pulse-glow 2.6s ease-in-out infinite}

/* ---------- reduced motion: global fallback ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}