/* =========================================================
   BASE — resets, typography primitives, layout helpers
   ========================================================= */

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

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

body {
  margin: 0;
  background: var(--c-ivory);
  color: var(--c-text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  font-weight: var(--fw-regular);
  letter-spacing: var(--tr-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

::selection {
  background: var(--c-ink);
  color: var(--c-ivory);
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-regular);
  line-height: var(--lh-snug);
  letter-spacing: var(--tr-snug);
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(2.75rem, 7vw, var(--fs-5xl)); line-height: var(--lh-tight); letter-spacing: var(--tr-tight); }
h2 { font-size: clamp(2rem, 5vw, var(--fs-4xl)); line-height: var(--lh-tight); letter-spacing: var(--tr-tight); }
h3 { font-size: clamp(1.5rem, 3vw, var(--fs-2xl)); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }

p {
  margin: 0;
  text-wrap: pretty;
  max-width: 65ch;
}

.eyebrow,
.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--tr-mono);
  color: var(--c-text-soft);
  font-weight: var(--fw-medium);
}

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

.text-muted { color: var(--c-text-soft); }
.text-mute  { color: var(--c-text-mute); }
.text-center { text-align: center; }
.text-balance { text-wrap: balance; }

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

.section {
  position: relative;
  padding-block: clamp(4rem, 10vw, var(--space-32));
}
.section--tight { padding-block: clamp(3rem, 6vw, var(--space-20)); }
.section--alt   { background: var(--c-bone); }
.section--ink {
  background: var(--c-ink);
  color: var(--c-ivory);
}
.section--ink .eyebrow { color: oklch(0.65 0.02 250); }
.section--ink .text-muted { color: oklch(0.68 0.01 250); }

.stack > * + * { margin-top: var(--space-6); }
.stack-tight > * + * { margin-top: var(--space-3); }
.stack-loose > * + * { margin-top: var(--space-10); }

.grid     { display: grid; gap: clamp(1rem, 2.5vw, var(--space-8)); }
.grid--2  { grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); }
.grid--3  { grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); }
.grid--4  { grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); }

.flex { display: flex; gap: var(--space-4); }
.flex--between { justify-content: space-between; align-items: center; }
.flex--center  { justify-content: center; align-items: center; }
.flex--wrap    { flex-wrap: wrap; }
.flex--col     { flex-direction: column; }

.hide-mobile { @media (max-width: 760px) { display: none !important; } }
.hide-desktop { @media (min-width: 761px) { display: none !important; } }

/* ----- Reveal animation states ----- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--d-slow) var(--ease-out), transform var(--d-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal="up"]   { transform: translateY(40px); }
[data-reveal="fade"] { transform: none; }
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-mask] {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}
[data-reveal-mask] > span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 1100ms var(--ease-expo);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: transform;
}
[data-reveal-mask].is-in > span { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal], [data-reveal-mask] > span {
    opacity: 1 !important;
    transform: none !important;
  }
}