/* ==========================================================================
   base.css — Reset, Typography, Utilities
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; }
ul, ol { list-style: none; }
html { scroll-behavior: smooth; }

@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;
  }
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-secondary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--accent);
  color: #fff;
}

/* Typography — dramatic scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

h1 { font-size: var(--text-hero); font-weight: 800; }
h2 { font-size: var(--text-4xl); font-weight: 700; letter-spacing: -0.025em; }
h3 { font-size: var(--text-2xl); font-weight: 600; letter-spacing: -0.02em; }
h4 { font-size: 1.25rem; font-weight: 600; }

p { max-width: 70ch; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}
a:hover { color: var(--accent-hover); }

/* Container */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}
@media (min-width: 768px) {
  .container { padding-inline: 40px; }
}

/* Utilities */
.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;
}
.text-center { text-align: center; }
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}