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

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

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

body {
  font-family: var(--sans);
  background: var(--ink-900);
  color: var(--bone-100);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

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

ul, ol { list-style: none; }

::selection { background: var(--magenta); color: var(--bone-100); }

/* ─── Typography scale ─── */
.t-display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.5; padding-top: 0.2em; padding-bottom: 0.1em; overflow: visible;
  letter-spacing: -0.015em;
}
.t-display em {
  font-style: italic;
  font-weight: 300;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.t-heading {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.t-heading em {
  font-style: italic;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.t-sub {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--bone-300);
  max-width: 56ch;
}
.t-eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-300);
}

/* ─── Section tag (eyebrow with line) ─── */
.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}
.sec-tag::before {
  content: '';
  width: 32px;
  height: 0.5px;
  background: var(--magenta);
}
.sec-tag-text {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bone-300);
  font-weight: 500;
}

/* ─── Accessibility ─── */
.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;
}

:focus-visible {
  outline: 2px solid var(--magenta);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── Reveal-on-scroll utility ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}