/* ====================================================================
   SnowPuri — Base (reset + typography + layout)
   ==================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  font-feature-settings: "ss01", "cv11";
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }

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

/* ── Focus ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.section--dark {
  background: var(--bg-secondary);
  color: var(--text-on-dark);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-bottom: var(--s-12);
  max-width: 720px;
}

.eyebrow {
  font-size: var(--fs-tiny);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--accent);
}

.section-title {
  font-size: var(--fs-h2);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-heading);
  font-weight: 700;
  color: inherit;
}

.section--dark .section-title { color: var(--text-on-dark); }

/* ── Reveal on scroll ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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