/* ─────────────────────────────────────────
   PSD — Base Styles
   Reset, global elements, type scale,
   utility classes, accessibility.
   ───────────────────────────────────────── */

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

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

body {
  background-color: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol { list-style: none; }

/* ── Focus visible (accessibility) ── */
:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  line-height: var(--leading-loose);
  color: var(--muted);
}

strong { color: var(--white); font-weight: 600; }
em     { color: var(--purple-light); font-style: normal; }

/* ── Layout containers ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--content-width);
}

.section {
  padding-block: var(--section-py);
}

/* ── Eyebrow / label ── */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--purple-light);
  margin-bottom: var(--space-4);
}

/* ── Divider ── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ── Gradient text ── */
.text-gradient {
  background: linear-gradient(135deg, var(--purple-light), var(--red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── 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-width: 0;
}

.text-center  { text-align: center; }
.text-muted   { color: var(--muted); }
.text-white   { color: var(--white); }
.text-purple  { color: var(--purple-light); }
.text-red     { color: var(--red); }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2        { gap: var(--space-2); }
.gap-4        { gap: var(--space-4); }
.gap-6        { gap: var(--space-6); }
.gap-8        { gap: var(--space-8); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

/* ── Reveal animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-lg) var(--ease-out),
    transform var(--duration-lg) var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }

/* ── Surface cards ── */
.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-8);
  transition: border-color var(--duration) var(--ease-out),
              transform   var(--duration) var(--ease-out);
}
.card:hover {
  border-color: var(--border-purple);
  transform: translateY(-4px);
}

/* ── Responsive breakpoints ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-lg); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
}

/* Accessibility and SEO-friendly focus navigation */
.skip-link{position:fixed;left:1rem;top:-5rem;z-index:9999;background:#fff;color:#080810;padding:.75rem 1rem;border-radius:.5rem;font-weight:700;transition:top .2s}.skip-link:focus{top:1rem}a:focus-visible,button:focus-visible{outline:2px solid var(--purple-light,#9a6bff);outline-offset:3px}