/* =============================================================
   base.css — Reset, global base, typography utilities
   2026 warm organic edition
   ============================================================= */


/* -----------------------------------------------------------
   Box model reset
   ----------------------------------------------------------- */

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


/* -----------------------------------------------------------
   Root / HTML
   ----------------------------------------------------------- */

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


/* -----------------------------------------------------------
   Body
   ----------------------------------------------------------- */

body {
  font-family: var(--font-system);
  background-color: var(--color-bg);
  color: var(--color-label);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}


/* -----------------------------------------------------------
   Links
   ----------------------------------------------------------- */

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


/* -----------------------------------------------------------
   Media
   ----------------------------------------------------------- */

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

iframe {
  display: block;
}


/* -----------------------------------------------------------
   List reset
   ----------------------------------------------------------- */

ul,
ol {
  list-style: none;
}


/* -----------------------------------------------------------
   Layout — containers
   ----------------------------------------------------------- */

.container {
  width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-8));
}

.container--narrow {
  width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-8));
}

.container--wide {
  width: var(--container-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-8));
}


/* -----------------------------------------------------------
   Typography utilities
   ----------------------------------------------------------- */

.t-display {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 500;
  letter-spacing: var(--tracking-tighter);
  line-height: var(--leading-tight);
  color: var(--color-label);
}

.t-h1 {
  font-family: var(--font-system);
  font-size: var(--text-h1);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  color: var(--color-label);
}

.t-h2 {
  font-family: var(--font-system);
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  color: var(--color-label);
}

.t-h3 {
  font-family: var(--font-system);
  font-size: var(--text-h3);
  font-weight: 600;
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  color: var(--color-label);
}

.t-lg {
  font-family: var(--font-system);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-normal);
  color: var(--color-label-2);
}

.t-body,
.t-body-lg {
  font-family: var(--font-system);
  font-size: var(--text-lg);
  font-weight: 400;
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-normal);
  color: var(--color-label-2);
}

.t-sm,
.t-small {
  font-family: var(--font-system);
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-normal);
  color: var(--color-label-3);
}

.t-xs,
.t-caption {
  font-family: var(--font-system);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-normal);
  line-height: var(--leading-normal);
  color: var(--color-label-4);
}

.t-label {
  font-family: var(--font-system);
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  line-height: var(--leading-normal);
  text-transform: uppercase;
  color: var(--color-label-4);
}


/* -----------------------------------------------------------
   Font family utility
   ----------------------------------------------------------- */

.font-display {
  font-family: var(--font-display);
}


/* -----------------------------------------------------------
   Color utilities
   ----------------------------------------------------------- */

.c-primary {
  color: var(--color-label);
}

.c-secondary {
  color: var(--color-label-2);
}

.c-tertiary {
  color: var(--color-label-3);
}

.c-quaternary {
  color: var(--color-label-4);
}

.c-accent {
  color: var(--color-accent);
}


/* -----------------------------------------------------------
   Screen reader only
   ----------------------------------------------------------- */

.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;
}


/* -----------------------------------------------------------
   Scroll reveal
   ----------------------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}


/* -----------------------------------------------------------
   Reduced motion
   ----------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}