/* ============================================================
   AI Media Studio — Dark Premium AI design system
   ============================================================ */

:root {
  --bg: #0a0a0f;
  --bg-2: #0d0d14;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --surface-solid: #131320;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --purple: #8b5cf6;
  --blue: #3b82f6;
  --pink: #ec4899;
  --cyan: #22d3ee;
  --orange: #f97316;

  --text: #f1f5f9;
  --text-muted: #64748b;
  --text-dim: #475569;

  --grad-image: linear-gradient(135deg, #8b5cf6, #3b82f6);
  --grad-video: linear-gradient(135deg, #ec4899, #f97316);
  --grad-music: linear-gradient(135deg, #22d3ee, #3b82f6);
  --grad-accent: linear-gradient(135deg, #8b5cf6, #ec4899);

  --radius: 16px;
  --radius-sm: 11px;
  --radius-lg: 24px;

  --shadow-glow-p: 0 0 0 1px rgba(139,92,246,.4), 0 8px 40px -8px rgba(139,92,246,.5);
  --maxw: 1200px;

  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* page ambient backdrop */
.app-root {
  position: relative;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.08); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.16); }

::selection { background: rgba(139,92,246,.4); color: #fff; }

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

/* ---------- typography ---------- */
.h-display {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.04;
}
.gradient-text {
  background: linear-gradient(120deg, #fff 0%, #c4b5fd 38%, #f0abfc 64%, #7dd3fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }

/* ---------- surfaces ---------- */
.glass {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.glass-2 { background: var(--surface-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 12px;
  padding: 12px 20px;
  transition: transform .16s ease, box-shadow .22s ease, background .2s ease, border-color .2s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn:active { transform: translateY(1px) scale(.99); }

.btn-accent {
  background: var(--grad-accent);
  color: #fff;
  box-shadow: 0 8px 30px -8px rgba(139,92,246,.7);
}
.btn-accent:hover { box-shadow: 0 10px 40px -6px rgba(139,92,246,.9); transform: translateY(-1px); }

.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--border-strong); }

.btn-lg { padding: 15px 28px; font-size: 16px; border-radius: 14px; }
.btn-sm { padding: 8px 14px; font-size: 13px; border-radius: 9px; }
.btn-block { width: 100%; }

/* gradient pill badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 99px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}
.badge-accent {
  background: rgba(139,92,246,.14);
  border-color: rgba(139,92,246,.4);
  color: #c4b5fd;
}

.tag {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 7px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* gradient icon tile */
.gicon {
  width: 56px; height: 56px;
  border-radius: 15px;
  display: grid; place-items: center;
  font-size: 26px;
  flex-shrink: 0;
}
.gicon-img { background: var(--grad-image); box-shadow: 0 8px 28px -8px rgba(139,92,246,.6); }
.gicon-vid { background: var(--grad-video); box-shadow: 0 8px 28px -8px rgba(236,72,153,.6); }
.gicon-mus { background: var(--grad-music); box-shadow: 0 8px 28px -8px rgba(34,211,238,.6); }

/* ---------- placeholder art (striped) ---------- */
.ph {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background:
    repeating-linear-gradient(45deg,
      rgba(255,255,255,.03) 0 10px,
      rgba(255,255,255,.06) 10px 20px);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
}
.ph::after {
  content: attr(data-label);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--text-dim);
  text-transform: uppercase;
  text-align: center;
  padding: 8px;
}
.ph-grad { border: none; }
.ph-img { background: linear-gradient(135deg, rgba(139,92,246,.5), rgba(59,130,246,.45)); }
.ph-vid { background: linear-gradient(135deg, rgba(236,72,153,.5), rgba(249,115,22,.45)); }
.ph-mus { background: linear-gradient(135deg, rgba(34,211,238,.45), rgba(59,130,246,.45)); }
.ph-grad::after { color: rgba(255,255,255,.85); }

/* ---------- ambient blobs ---------- */
.blobs { position: fixed; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .5;
  will-change: transform;
}
.blob-p { width: 520px; height: 520px; background: #8b5cf6; top: -160px; left: -120px; animation: blobA 13s ease-in-out infinite alternate; }
.blob-c { width: 460px; height: 460px; background: #22d3ee; bottom: -180px; right: -120px; animation: blobB 15s ease-in-out infinite alternate; }
.blob-k { width: 380px; height: 380px; background: #ec4899; top: 30%; right: 18%; opacity: .32; animation: blobC 11s ease-in-out infinite alternate; }

@keyframes blobA { from { transform: translate(0,0) scale(1);} to { transform: translate(80px,60px) scale(1.15);} }
@keyframes blobB { from { transform: translate(0,0) scale(1);} to { transform: translate(-70px,-50px) scale(1.12);} }
@keyframes blobC { from { transform: translate(0,0) scale(1);} to { transform: translate(-50px,70px) scale(.88);} }

/* ---------- reveal on scroll ----------
   Content is VISIBLE by default; the entrance is an additive animation
   applied only when JS marks the element `.in`. This guarantees nothing
   ever stays hidden even if animations are throttled / not painting. */
.reveal { opacity: 1; transform: none; }
.reveal.in { animation: revealIn .7s cubic-bezier(.2,.7,.2,1); }
@keyframes revealIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .reveal.in { animation: none; }
}

/* ---------- spinner ---------- */
.spinner {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.12);
  border-top-color: var(--purple);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg);} }

.shimmer {
  background: linear-gradient(100deg, rgba(255,255,255,.03) 30%, rgba(255,255,255,.09) 50%, rgba(255,255,255,.03) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- layout helpers ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 92px 0; position: relative; }
.section-eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--purple);
}
.divider { height: 1px; background: var(--border); border: none; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

/* fade/slide for view transitions — transform only, never hides content */
.view-enter { animation: viewIn .4s cubic-bezier(.2,.7,.2,1); }
@keyframes viewIn { from { transform: translateY(10px);} to { transform: translateY(0);} }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}