/* ============================================================
   Base — reset, body, typography defaults
   ============================================================ */

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

* { margin: 0; padding: 0; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background: var(--bg-0);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  font-feature-settings: "kern", "liga", "calt", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

/* When Lenis smooth scroll is active */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-scrolling iframe { pointer-events: none; }

img, video, svg, canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

video { background: #000; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

button {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

input, textarea, select {
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: rgba(0, 229, 255, 0.04);
}

::selection {
  background: var(--accent-purple);
  color: var(--fg);
}

:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1 { font-size: var(--fs-display); font-weight: 900; }
h2 { font-size: var(--fs-3xl); font-weight: 900; }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); }

p { text-wrap: pretty; max-width: 70ch; }

/* Eyebrow / overline */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-head);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent-blue);
}

.eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--gradient-brand);
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.muted { color: var(--fg-muted); }
.dim { color: var(--fg-dim); }

/* Skip link for a11y */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--z-cursor);
  background: var(--accent-blue);
  color: #000;
  padding: var(--space-3) var(--space-5);
  font-weight: 700;
}
.skip-link:focus { left: var(--space-3); top: var(--space-3); }

/* Hide visually but keep for screen readers */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}