/* Reset + base typography + utilities */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background var(--dur-md) var(--ease-out), color var(--dur-md) var(--ease-out);
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 300; letter-spacing: -0.025em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--brand-purple); color: #fff; }

/* Fluid type classes */
.display-xl { font-size: clamp(3.5rem, 8vw, 7.5rem); line-height: 0.95; letter-spacing: -0.035em; font-weight: 300; }
.display-l  { font-size: clamp(2.75rem, 5vw, 5rem); line-height: 1.0; letter-spacing: -0.03em; font-weight: 300; }
.headline   { font-size: clamp(2rem, 3.5vw, 3rem); line-height: 1.08; letter-spacing: -0.025em; font-weight: 400; }
.title      { font-size: clamp(1.5rem, 2vw, 2rem); line-height: 1.15; letter-spacing: -0.015em; font-weight: 500; }
.body-l     { font-size: clamp(1.125rem, 1.25vw, 1.375rem); line-height: 1.5; font-weight: 300; color: var(--text-2); }
.body       { font-size: 1rem; line-height: 1.6; color: var(--text-2); }
.caption    { font-size: 0.8125rem; line-height: 1.4; font-weight: 500; color: var(--text-3); }

.eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.gradient-text {
  background: var(--brand-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* Fallback */
  color: var(--text-1);
  -webkit-text-fill-color: transparent;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section { padding-block: var(--space-section); position: relative; }
.section--tight { padding-block: clamp(64px, 9vw, 128px); }
.stack { display: flex; flex-direction: column; gap: var(--space-5); }
.stack--lg { gap: var(--space-7); }

/* Reveal system (paired with app.js IntersectionObserver) */
.reveal { opacity: 0; transform: translate3d(0, 24px, 0); transition: opacity var(--dur-lg) var(--ease-emph), transform var(--dur-lg) var(--ease-emph); }
.reveal.is-in { opacity: 1; transform: translate3d(0, 0, 0); }
.reveal-stagger > * { opacity: 0; transform: translate3d(0, 20px, 0); transition: opacity var(--dur-lg) var(--ease-emph), transform var(--dur-lg) var(--ease-emph); }
.reveal-stagger.is-in > * { opacity: 1; transform: none; }
.reveal-stagger.is-in > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-in > *:nth-child(2) { transition-delay: 60ms; }
.reveal-stagger.is-in > *:nth-child(3) { transition-delay: 120ms; }
.reveal-stagger.is-in > *:nth-child(4) { transition-delay: 180ms; }
.reveal-stagger.is-in > *:nth-child(5) { transition-delay: 240ms; }
.reveal-stagger.is-in > *:nth-child(6) { transition-delay: 300ms; }
.reveal-stagger.is-in > *:nth-child(7) { transition-delay: 360ms; }
.reveal-stagger.is-in > *:nth-child(8) { transition-delay: 420ms; }

/* Focus */
:focus-visible { outline: 2px solid var(--text-1); outline-offset: 3px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; }
}