/* ============================================================
   RESET + BASE TYPOGRAPHY
   ============================================================ */

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

html {
  scroll-behavior: var(--scroll-behavior);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  tab-size: 4;
  font-feature-settings: "ss01", "ss02", "cv01", "cv11";
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* Grain overlay for texture depth */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-overlay);
  opacity: var(--grain-opacity);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* Typography defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  text-wrap: balance;
  font-variation-settings: "opsz" 144, "SOFT" 0;
}

h1 { font-size: clamp(2.5rem, 6vw, var(--text-4xl)); }
h2 { font-size: clamp(2rem, 5vw, var(--text-3xl)); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); letter-spacing: var(--tracking-wide); text-transform: uppercase; font-family: var(--font-body); font-weight: 600; }

p {
  text-wrap: pretty;
  max-width: 68ch;
}

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

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

img {
  -webkit-user-drag: none;
  user-select: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

textarea {
  resize: vertical;
}

ul, ol {
  list-style: none;
}

hr {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: var(--space-6) 0;
}

::selection {
  background: var(--color-acid);
  color: var(--color-bg-deep);
}

/* Focus visible — keyboard only */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-acid);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--color-surface-3);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-deep);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-acid-deep);
}

/* Utility classes */
.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;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.italic-display {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-tight);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-mute);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-ink) 0%, var(--color-acid) 60%, var(--color-ember) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.accent-acid { color: var(--color-acid); }
.accent-ember { color: var(--color-ember); }
.accent-electric { color: var(--color-electric); }

/* Visually-only animation controls */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease-out-expo), transform 0.9s var(--ease-out-expo);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

[data-reveal-stagger].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0.05s; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 0.12s; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 0.19s; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 0.26s; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 0.33s; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 0.40s; }
[data-reveal-stagger].is-visible > *:nth-child(7) { transition-delay: 0.47s; }
[data-reveal-stagger].is-visible > *:nth-child(8) { transition-delay: 0.54s; }