/* ============================================
   BASE STYLES + RESET
   ============================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul[role='list'], ol[role='list'] { list-style: none; padding: 0; margin: 0; }

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  text-rendering: optimizeSpeed;
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: transparent; padding: 0; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-hover); }

p { line-height: var(--leading-relaxed); color: var(--color-neutral-700); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

h1 { font-size: var(--text-5xl); font-weight: var(--weight-black); }
h2 { font-size: var(--text-4xl); font-weight: var(--weight-extrabold); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }

::selection { background: var(--color-primary); color: var(--color-text-inverse); }

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

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

/* ---------- LAYOUT HELPERS ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}
.container-content { max-width: var(--container-content); }
.container-narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(var(--space-7), 8vw, var(--space-9)); }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-bg-dark); color: var(--color-text-inverse); }
.section--dark p { color: var(--color-neutral-300); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--color-white); }

.eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-7);
}
.section-title h2 { margin-bottom: var(--space-3); }
.section-title p {
  max-width: 56ch;
  margin-inline: auto;
  font-size: var(--text-lg);
  color: var(--color-neutral-600);
}

.text-center { text-align: center; }
.text-balance { text-wrap: balance; }
.lead { font-size: var(--text-lg); color: var(--color-neutral-600); }

.divider { height: 1px; background: var(--color-border); margin-block: var(--space-7); }

/* Utility: visually-hidden */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}