/* base.css — reset, global elements, layout utilities, reveal, fonts */

/* ── Self-hosted fonts ── */
@font-face {
  font-family: 'Barlow Condensed';
  src: url('/assets/vendor/fonts/BarlowCondensed-ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('/assets/vendor/fonts/BarlowCondensed-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('/assets/vendor/fonts/BarlowCondensed-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('/assets/vendor/fonts/DMSans-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('/assets/vendor/fonts/DMSans-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('/assets/vendor/fonts/DMSans-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: var(--text-body-md);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Prevent body scroll when drawer is open */
body.drawer-open {
  overflow: hidden;
}

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

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

ul, ol { margin: 0; padding: 0; list-style: none; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: 'Barlow Condensed', sans-serif;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

/* ── CRITICAL: scoped heading colours (no naked h2/h3 rules) ── */
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-primary);
}

.section--light h1,
.section--light h2,
.section--light h3,
.section--light h4 {
  color: var(--color-text-on-light);
}

/* Card headings inside light sections must inherit on-light colour */
.section--light .card h3,
.section--light .card h4 {
  color: var(--color-text-on-light);
}

/* ── Layout utilities ── */
.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (max-width: 767px) {
  .container {
    padding-inline: var(--space-5);
  }
}

.section {
  padding-block: var(--space-7);
}
@media (min-width: 768px) {
  .section {
    padding-block: var(--space-8);
  }
}
@media (min-width: 1200px) {
  .section {
    padding-block: var(--space-9);
  }
}

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

.section--dark-surface {
  background-color: var(--color-surface-1);
  color: var(--color-text-primary);
}

.section--light {
  background-color: var(--color-surface-light);
  color: var(--color-text-on-light);
}

.section--amber-tinted {
  background: linear-gradient(135deg, #0E0E0F 0%, #1A1507 100%);
  color: var(--color-text-primary);
}

/* ── Grid system — class-based, never inline ── */
.grid-auto {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .grid-auto { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-auto { grid-template-columns: repeat(3, 1fr); }
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ── Section heading pattern ── */
.eyebrow {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: var(--text-eyebrow);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-heading {
  font-size: var(--text-display-md);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
}

.section-intro {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  max-width: 680px;
}

.section--light .section-intro {
  color: var(--color-text-secondary-on-light);
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Image utilities ── */
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.img-rounded {
  border-radius: var(--radius-xl);
}

/* ── Breadcrumb ── */
.breadcrumb {
  margin-bottom: var(--space-5);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
}

.section--light .breadcrumb ol {
  color: var(--color-text-secondary-on-light);
}

.breadcrumb ol li + li::before {
  content: '/';
  margin-right: var(--space-2);
  opacity: 0.5;
}

.breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color 150ms ease-out;
}
.breadcrumb a:hover { color: var(--color-accent); }

.breadcrumb [aria-current="page"] {
  color: var(--color-text-primary);
}

.section--light .breadcrumb [aria-current="page"] {
  color: var(--color-text-on-light);
}

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

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -999px;
  left: 0;
  padding: var(--space-3) var(--space-5);
  background: var(--color-accent);
  color: var(--color-btn-primary-text);
  font-weight: 600;
  z-index: 9999;
}
.skip-link:focus {
  top: 0;
}

/* ── Utility ── */
.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;
}

.text-accent { color: var(--color-accent); }
.text-secondary { color: var(--color-text-secondary); }
.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }