/* ============================================================
   GigaBizZone — Base: reset, typography, layout grid, a11y
   ============================================================ */

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

* { margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;          /* 17px body — PRD §2.4 */
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol { list-style: none; }

/* --- Headings: Fraunces display (PRD §2.4) --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.05;
  color: var(--teal-deep);
  font-feature-settings: "ss01", "ss02";
  letter-spacing: -0.01em;
}

/* --- Layout: 12-column editorial grid (PRD §2.6) --- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--pad-mobile);
}

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

/* --- Section containers (PRD §7.4) --- */
.section        { padding-block: 80px; }
.section--tight { padding-block: 48px; }
.section--hero  { padding-block: 64px 80px; }

/* --- Accessibility: skip link --- */
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  z-index: 2000;
  background: var(--coral);
  color: var(--cream);
  padding: 12px 20px;
  border-radius: 4px;
  font-weight: 500;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: var(--space-3); }

/* --- Accessibility: visible focus ring (PRD §8.4) --- */
:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
  border-radius: 2px;
}

/* --- Utility --- */
.deva { font-family: var(--font-deva); }
.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;
}

/* --- Scroll-reveal: hidden initial state, revealed by JS --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-reveal="left"]  { transform: translateX(-30px); }
.reveal[data-reveal="scale"] { transform: scale(0.96); }

/* --- Responsive padding --- */
@media (min-width: 768px) {
  .container { padding-inline: var(--pad-tablet); }
  .section        { padding-block: 128px; }
  .section--tight { padding-block: 80px; }
  .section--hero  { padding-block: 96px 128px; }
}
@media (min-width: 1200px) {
  .container { padding-inline: var(--pad-desktop); }
}

/* --- Reduced motion (PRD §8.4) --- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}