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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

/* ─── Selection ─────────────────────────────────────────────────── */
::selection {
  background: var(--accent-green);
  color: var(--bg-primary);
}

/* ─── Scrollbar ─────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-pill);
}

/* ─── Typography ────────────────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

em {
  font-style: normal;
}

p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ─── Focus ─────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ─── Reveal on scroll ──────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

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

  html {
    scroll-behavior: auto;
  }
}