/* Base reset & typography */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: clip;
  max-width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  min-width: 0;
  max-width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(196, 165, 116, 0.07), transparent 55%),
    radial-gradient(900px 500px at 10% 20%, rgba(139, 124, 246, 0.05), transparent 50%),
    var(--bg-deep);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

/* Prevent wide children (rails, viz, long words) from blowing past the viewport */
.site-main,
.site-footer,
.site-header__inner {
  max-width: 100%;
  min-width: 0;
}

.site-main {
  overflow-x: clip;
}

@media (max-width: 720px) {
  :root {
    --gutter: clamp(1rem, 4.5vw, 1.35rem);
    --text-hero: clamp(2.15rem, 8.5vw, 2.85rem);
    --text-3xl: clamp(1.85rem, 7vw, 2.5rem);
    --text-2xl: clamp(1.55rem, 6vw, 2rem);
  }

  /* Fixed backgrounds often cause horizontal jank / overflow on iOS */
  body {
    background-attachment: scroll;
  }
}

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

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--text-primary);
}

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

::selection {
  background: rgba(196, 165, 116, 0.35);
  color: var(--text-primary);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  color: var(--text-primary);
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

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

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--copper);
  color: var(--text-invert);
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

.site-main {
  min-height: 60vh;
  padding-top: var(--header-h);
}

/* Utility */
.container {
  width: min(100% - var(--gutter) * 2, var(--content-max));
  margin-inline: auto;
}

.container--wide {
  width: min(100% - var(--gutter) * 2, var(--content-wide));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - var(--gutter) * 2, var(--content-narrow));
  margin-inline: auto;
}

.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;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-muted);
}

.eyebrow::before {
  content: "";
  width: 1.25rem;
  height: 1px;
  background: var(--copper);
  opacity: 0.8;
}

.gradient-text {
  background: linear-gradient(120deg, var(--text-primary) 0%, var(--copper-bright) 45%, var(--green-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text--violet {
  background: linear-gradient(120deg, var(--text-primary) 10%, var(--violet-bright) 55%, var(--green-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text--signal {
  background: linear-gradient(120deg, var(--text-primary) 0%, var(--cyan-bright) 55%, var(--violet-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: var(--text-md);
  color: var(--text-secondary);
  line-height: var(--leading-loose);
  max-width: 38rem;
}

.section {
  padding-block: var(--section-y);
  position: relative;
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: var(--space-4);
}

.grid-overlay {
  pointer-events: none;
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  opacity: 0.5;
}