/* ============================================
   BASE — reset, typography, utilities
   ============================================ */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern', 'liga', 'ss01';
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

::selection {
  background: var(--color-moss);
  color: var(--color-cream);
}

/* Typography classes */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.display {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.02;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
}

.headline {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.1;
}

.italic-accent {
  font-style: italic;
  font-weight: 300;
}

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

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

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

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gutter);
  background: var(--color-ink);
  color: var(--color-cream);
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  transition: all var(--duration-base) var(--ease-out);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-cream);
}
.btn-primary:hover {
  background: var(--color-moss-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-ghost:hover {
  background: var(--color-ink);
  color: var(--color-cream);
}

.btn-arrow {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  text-transform: none;
  letter-spacing: 0;
  padding: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  color: var(--color-ink);
  transition: gap var(--duration-base) var(--ease-out);
}
.btn-arrow:hover {
  gap: var(--space-4);
}

/* Reveal animation utility */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}