/* ==========================================================================
   CRAVE · BASE
   Reset, root typography, utilities. Uses tokens only.
   ========================================================================== */

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  color: var(--text-body);
  background: var(--surface-page);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

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

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  color: var(--text-strong);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
}

p { color: var(--text-body); }

::selection {
  background: var(--color-brand-600);
  color: var(--text-inverse);
}

/* ---- Focus (WCAG) ---------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-brand-500);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* ---- Reduced motion --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---- Skip link (a11y) ------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-ink-900);
  color: var(--text-inverse);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: var(--fw-semibold);
  z-index: 100;
  transition: top var(--duration-fast) var(--ease);
}
.skip-link:focus { top: var(--space-4); }

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

.container--narrow { max-width: 60rem; }
.container--wide   { max-width: 88rem; }

.section {
  padding-block: var(--space-20);
}
@media (min-width: 1024px) {
  .section { padding-block: var(--space-32); }
}

.section--tight { padding-block: var(--space-16); }
.section--dark  {
  background: var(--surface-inverted);
  color: var(--text-inverse);
}
.section--dark h1, .section--dark h2, .section--dark h3,
.section--dark h4, .section--dark h5, .section--dark h6 { color: var(--text-inverse); }
.section--dark p { color: var(--color-ink-300); }

.section--muted { background: var(--surface-muted); }

/* ==========================================================================
   Display type
   ========================================================================== */

.eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-brand);
}
.section--dark .eyebrow { color: var(--color-brand-300); }

.display {
  font-size: clamp(1.875rem, 2.4vw + 1rem, 3rem);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  color: var(--text-strong);
}

.headline {
  font-size: clamp(1.5rem, 1.6vw + 0.875rem, 2.25rem);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--text-strong);
}

.subhead {
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  color: var(--text-muted);
  max-width: 52ch;
}

.section--dark .display,
.section--dark .headline { color: var(--text-inverse); }
.section--dark .subhead { color: var(--color-ink-300); }

.accent {
  color: var(--color-brand-400);
}

/* ==========================================================================
   Button primitives
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: -0.005em;
  transition: transform var(--duration-fast) var(--ease),
              background var(--duration-base) var(--ease),
              color var(--duration-base) var(--ease),
              box-shadow var(--duration-base) var(--ease);
  white-space: nowrap;
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--fs-md);
}

.btn--primary {
  background: var(--color-brand-600);
  color: var(--text-inverse);
  box-shadow: var(--shadow-brand);
}
.btn--primary:hover { background: var(--color-ink-900); transform: translateY(-1px); }

.btn--ghost {
  background: transparent;
  color: var(--text-strong);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover { border-color: var(--color-ink-900); color: var(--color-ink-900); }

.section--dark .btn--ghost,
.hero .btn--ghost,
.nova .btn--ghost {
  color: var(--text-inverse);
  border-color: rgba(255, 255, 255, 0.25);
}
.section--dark .btn--ghost:hover,
.hero .btn--ghost:hover,
.nova .btn--ghost:hover {
  border-color: var(--color-ink-0);
  background: rgba(255, 255, 255, 0.05);
}

.btn--link {
  background: none;
  padding: 0;
  color: var(--text-brand);
  border-radius: 0;
}
.btn--link:hover { color: var(--color-ink-900); }
.section--dark .btn--link { color: var(--color-brand-300); }
.section--dark .btn--link:hover { color: var(--text-inverse); }

.btn--arrow::after {
  content: '→';
  transition: transform var(--duration-base) var(--ease);
}
.btn--arrow:hover::after { transform: translateX(4px); }

/* ==========================================================================
   Reveal (scroll-triggered fade)
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--duration-slow) var(--ease),
              transform var(--duration-slow) var(--ease);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Image placeholder
   ========================================================================== */

.ph {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background:
    repeating-linear-gradient(
      135deg,
      var(--color-ink-100),
      var(--color-ink-100) 12px,
      var(--color-ink-50) 12px,
      var(--color-ink-50) 24px
    );
  border: 1px dashed var(--color-ink-300);
  color: var(--text-muted);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  overflow: hidden;
  border-radius: inherit;
}
.ph::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid var(--color-ink-200);
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

.ph--dark {
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.04) 12px,
      rgba(255, 255, 255, 0.08) 12px,
      rgba(255, 255, 255, 0.08) 24px
    );
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--color-ink-300);
}
.ph--dark::after { border-color: rgba(255, 255, 255, 0.1); }

.ph__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 var(--space-4);
  background: var(--color-ink-0);
  border: 1px dashed var(--color-ink-300);
  border-radius: var(--radius-sm);
  color: var(--text-subtle);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* ==========================================================================
   Visually hidden
   ========================================================================== */
.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;
}