/* Brandplio — Base styles
 * Reset + typography + layout primitives.
 */

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

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-normal);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, ul, ol, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--ring-focus);
  border-radius: var(--radius-sm);
}

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

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

input, textarea, select {
  font: inherit;
  color: inherit;
}

hr {
  border: 0;
  height: 1px;
  background: var(--color-border);
}

code, pre, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.95em;
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

/* —— Headings —— */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-2xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.display-xl, .display-lg, .display-md, .display-sm {
  font-family: var(--font-display);
  font-weight: var(--weight-semi);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
  color: var(--color-ink);
  text-wrap: balance;
}

.display-xl {
  font-size: clamp(var(--text-5xl), 8.5vw, var(--text-8xl));
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.display-lg {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  letter-spacing: -0.032em;
}

.display-md {
  font-size: clamp(var(--text-3xl), 4.2vw, var(--text-5xl));
  letter-spacing: -0.028em;
}

.display-sm {
  font-size: clamp(var(--text-2xl), 2.6vw, var(--text-3xl));
  line-height: 1.1;
}

.lede {
  font-size: clamp(var(--text-lg), 1.5vw, var(--text-xl));
  line-height: var(--leading-relaxed);
  color: var(--color-ink-muted);
  max-width: 58ch;
  text-wrap: pretty;
}

.muted { color: var(--color-ink-muted); }
.subtle { color: var(--color-ink-subtle); }
.accent-text { color: var(--color-accent); }

/* —— Layout primitives —— */
.container {
  width: 100%;
  max-width: var(--max-content);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container-narrow {
  max-width: var(--max-narrow);
}

.section {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

.section--lg { padding-top: var(--section-y-lg); padding-bottom: var(--section-y-lg); }
.section--tight { padding-top: var(--space-16); padding-bottom: var(--space-16); }

.section-head {
  display: grid;
  gap: var(--space-5);
  max-width: 720px;
  margin-bottom: var(--space-16);
}

/* —— Utility —— */
.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;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}