/* ============================================================
   BASE — reset, typography, focus, accessibility primitives
   ============================================================ */

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

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

body {
  background-color: var(--tt-black);
  color: var(--tt-white);
  font-family: 'Barlow', ui-sans-serif, system-ui, sans-serif;
  font-size: var(--tt-size-body);
  line-height: var(--tt-lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--tt-orange);
  color: var(--tt-white);
  font-weight: 700;
  border-radius: 4px;
  z-index: var(--tt-z-skip);
  transition: top var(--tt-transition);
}
.skip-link:focus {
  top: 1rem;
}

/* Global focus */
:focus-visible {
  outline: 2px solid var(--tt-orange);
  outline-offset: 3px;
}

/* Typography */
h1 {
  font-family: 'Anton', 'Arial Narrow', 'Impact', ui-sans-serif, sans-serif;
  font-size: var(--tt-size-h1);
  line-height: var(--tt-lh-display);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  font-weight: 400; /* Anton has only one weight */
}

h2 {
  font-family: 'Anton', 'Arial Narrow', 'Impact', ui-sans-serif, sans-serif;
  font-size: var(--tt-size-h2);
  line-height: var(--tt-lh-h2);
  text-transform: uppercase;
  font-weight: 400;
}

h3 {
  font-family: 'Barlow', ui-sans-serif, system-ui, sans-serif;
  font-size: var(--tt-size-h3);
  font-weight: 500;
  line-height: 1.3;
}

h4, h5, h6 {
  font-family: 'Barlow', ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

p {
  max-width: 70ch;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* Utility classes */
.label {
  font-family: 'Barlow Condensed', 'Arial Narrow', ui-sans-serif, sans-serif;
  font-size: var(--tt-size-label);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--tt-steel);
}

.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;
}

/* Scroll reveal */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition:
      opacity var(--tt-transition-reveal),
      transform var(--tt-transition-reveal);
  }
  .reveal.visible {
    opacity: 1;
    transform: none;
  }
}