/* ═══════════════════════════════════════════════
   Base — Variables, Reset, Typography
   ═══════════════════════════════════════════════ */

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

:root {
  /* Colors */
  --black: #000;
  --bg: #050505;
  --bg1: #0a0a0c;
  --bg2: #111114;
  --bg3: #18181c;
  --bg4: #222228;
  --bg5: #2a2a32;
  --text: #f5f5f7;
  --text2: #a1a1a6;
  --text3: #6e6e73;
  --text4: #48484a;

  /* Accent palette */
  --violet: #a78bfa;
  --violet-bright: #c4b5fd;
  --violet-dim: rgba(167,139,250,0.12);
  --blue: #60a5fa;
  --blue-dim: rgba(96,165,250,0.1);
  --cyan: #22d3ee;
  --pink: #f472b6;
  --pink-dim: rgba(244,114,182,0.1);
  --green: #34d399;
  --green-dim: rgba(52,211,153,0.1);
  --amber: #fbbf24;
  --red: #f87171;

  /* Gradients */
  --gradient: linear-gradient(135deg, #a78bfa, #818cf8, #60a5fa);
  --gradient-warm: linear-gradient(135deg, #f472b6, #a78bfa, #60a5fa);
  --gradient-glow: radial-gradient(ellipse at center, rgba(167,139,250,0.15), transparent 70%);

  /* Spacing */
  --radius: 24px;
  --radius-sm: 16px;
  --radius-xs: 10px;
  --radius-pill: 980px;
  --max-w: 1120px;
  --max-w-narrow: 780px;

  /* Motion */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  font-family: var(--font);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* ─── Custom Cursor ─── */
.cursor-dot {
  position: fixed; top: 0; left: 0; z-index: 99999;
  width: 8px; height: 8px;
  background: var(--violet);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: difference;
}
.cursor-ring {
  position: fixed; top: 0; left: 0; z-index: 99998;
  width: 36px; height: 36px;
  border: 1.5px solid rgba(167,139,250,0.4);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s;
}
body.cursor-hover .cursor-dot { width: 14px; height: 14px; background: #fff; }
body.cursor-hover .cursor-ring { width: 52px; height: 52px; border-color: rgba(255,255,255,0.3); }

@media (max-width: 1024px) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg5); }

/* ─── Selection ─── */
::selection { background: rgba(167,139,250,0.3); color: #fff; }

/* ─── Typography Scale ─── */
.t-display {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.95;
}
.t-heading {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
}
.t-subhead {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text2);
  font-weight: 400;
  max-width: 580px;
  line-height: 1.6;
}
.t-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--violet);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.t-body { font-size: 0.95rem; color: var(--text2); line-height: 1.7; }
.t-small { font-size: 0.8rem; color: var(--text3); }
.t-mono { font-family: var(--font-mono); font-size: 0.85rem; }

/* ─── Gradient Text ─── */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.gradient-text-warm {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ─── Noise Overlay ─── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 99990;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ─── Smooth Scroll Container ─── */
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }