/* ============================================================
   GFIL — Shared Components (header, footer, buttons, cards, grids)
   ============================================================ */

.container { width: min(calc(100% - 2rem), var(--content-default)); margin-inline: auto; }
.container-wide { width: min(calc(100% - 2rem), var(--content-wide)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), var(--content-narrow)); margin-inline: auto; }
.section { padding-block: clamp(var(--space-12), 8vw, var(--space-24)); }
.section-tight { padding-block: clamp(var(--space-8), 5vw, var(--space-16)); }

.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  text-transform: uppercase; letter-spacing: 0.12em; font-size: var(--text-xs); font-weight: 700;
  color: var(--color-primary);
}
.eyebrow::before { content: ""; width: 2.5rem; height: 1px; background: var(--color-gold); opacity: .7; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: 44px;
  padding: 0.9rem 1.5rem; border-radius: var(--radius-full); transition: all var(--transition-interactive);
  font-size: var(--text-sm); font-weight: 700; border: 1px solid transparent; white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-secondary { border-color: color-mix(in oklab, var(--color-text) 18%, transparent); background: transparent; color: var(--color-text); }
.btn-secondary:hover { background: var(--color-surface-2); }
.btn-gold { background: var(--color-gold); color: #1f1a0c; }
.btn-gold:hover { background: var(--color-gold-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--color-bg) 90%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
}
.header-inner {
  width: min(calc(100% - 2rem), var(--content-wide)); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-3) 0;
}
.brand { display: flex; align-items: center; gap: var(--space-3); min-width: 0; }
.brand img { height: 46px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-family: var(--font-display); font-size: var(--text-sm); letter-spacing: .02em; color: var(--color-text); }
.brand-text span { font-size: var(--text-xs); color: var(--color-text-muted); }

.nav { display: flex; align-items: center; gap: var(--space-5); }
.nav a { font-size: var(--text-sm); color: var(--color-text-muted); position: relative; padding-block: var(--space-1); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--color-primary); }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; bottom: -6px; left: 0; right: 0; height: 2px; background: var(--color-gold);
}

.header-actions { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface); box-shadow: var(--shadow-sm); flex-shrink: 0;
}
.nav-toggle {
  display: none; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: var(--radius-md); flex-shrink: 0;
}

/* ---------- Mobile nav ---------- */
.mobile-nav {
  display: none; position: fixed; inset: 0; z-index: 99; background: var(--color-bg);
  padding: var(--space-24) var(--space-6) var(--space-8); flex-direction: column; gap: var(--space-6);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-text); }
.mobile-nav .btn { align-self: flex-start; margin-top: var(--space-4); }
.mobile-close {
  position: absolute; top: var(--space-4); right: var(--space-4); width: 44px; height: 44px;
  border-radius: var(--radius-full); background: var(--color-surface-2); display: flex; align-items: center; justify-content: center;
}

@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative; overflow: clip;
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  background:
    radial-gradient(circle at top left, color-mix(in oklab, var(--color-primary) 10%, transparent), transparent 32%),
    radial-gradient(circle at bottom right, color-mix(in oklab, var(--color-gold) 14%, transparent), transparent 24%),
    linear-gradient(180deg, var(--color-bg), var(--color-surface));
}
.page-hero h1 { font-size: var(--text-2xl); color: var(--color-text); margin-top: var(--space-4); max-width: 20ch; }
.page-hero .lead { font-size: var(--text-lg); max-width: 62ch; margin-top: var(--space-5); color: var(--color-text-muted); }
.breadcrumb { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: .08em; }
.breadcrumb a:hover { color: var(--color-primary); }

/* ---------- Section head ---------- */
.section-head { margin-bottom: var(--space-10); display: grid; gap: var(--space-3); max-width: 62ch; }
.section-head h2 { font-size: var(--text-2xl); color: var(--color-text); }
.section-head.center { margin-inline: auto; text-align: center; justify-items: center; }

/* ---------- Grids ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: var(--space-6); }
.overview-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: var(--space-8); align-items: center; }
.overview-grid.reverse { grid-template-columns: .8fr 1.2fr; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface); border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
  border-radius: var(--radius-xl); padding: clamp(var(--space-5), 3vw, var(--space-8)); box-shadow: var(--shadow-sm);
}
.card h3 { font-size: var(--text-xl); margin-bottom: var(--space-3); color: var(--color-text); }
.card h4 { font-size: var(--text-lg); margin-bottom: var(--space-3); color: var(--color-text); }
.card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-lg); background: var(--color-primary-highlight);
  display: flex; align-items: center; justify-content: center; color: var(--color-primary); margin-bottom: var(--space-4);
}

/* ---------- Highlight band ---------- */
.highlight-band { background: var(--color-primary); color: var(--color-text-inverse); }
.highlight-band p, .highlight-band li { color: color-mix(in oklab, var(--color-text-inverse) 82%, transparent); }
.highlight-band h2, .highlight-band h3, .highlight-band h4, .highlight-band .eyebrow { color: var(--color-text-inverse); }
.highlight-band .eyebrow::before { background: var(--color-gold); opacity: 1; }
.highlight-band .card {
  background: color-mix(in oklab, white 8%, transparent); border-color: color-mix(in oklab, white 16%, transparent); box-shadow: none;
}
.highlight-band .data-table { border-color: color-mix(in oklab, white 20%, transparent); }
.highlight-band .data-table th { background: color-mix(in oklab, white 10%, transparent); color: var(--color-text-inverse); }
.highlight-band .data-table td { color: color-mix(in oklab, var(--color-text-inverse) 88%, transparent); border-bottom-color: color-mix(in oklab, white 14%, transparent); }
.highlight-band .timeline-item { border-top-color: color-mix(in oklab, white 20%, transparent); }
.highlight-band .timeline-item strong { color: var(--color-text-inverse); }
.highlight-band .timeline-item p { color: color-mix(in oklab, var(--color-text-inverse) 85%, transparent); }

/* ---------- Image treatments ---------- */
.media-frame { border-radius: var(--radius-xl); overflow: clip; box-shadow: var(--shadow-md); }
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.full-bleed { width: 100vw; position: relative; left: 50%; right: 50%; margin-left: -50vw; margin-right: -50vw; }
.full-bleed img { width: 100%; max-height: 70vh; object-fit: cover; }

/* ---------- Lists ---------- */
.list-clean { list-style: none; display: grid; gap: var(--space-3); }
.list-clean li { padding-left: var(--space-5); position: relative; }
.list-clean li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--color-gold); position: absolute; left: 0; top: .7em; }

/* ---------- Metric stack ---------- */
.metric-stack { display: grid; gap: var(--space-4); }
.metric { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: start; padding-top: var(--space-4); border-top: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent); }
.metric:first-child { border-top: 0; padding-top: 0; }
.metric strong { font-size: var(--text-xl); color: var(--color-primary); font-family: var(--font-display); }
.metric span { display: block; font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Timeline ---------- */
.timeline { display: grid; gap: var(--space-4); }
.timeline-item { display: grid; grid-template-columns: 140px 1fr; gap: var(--space-4); padding: var(--space-5) 0; border-top: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent); }
.timeline-item:first-child { border-top: 0; }
.timeline-item strong { font-size: var(--text-sm); color: var(--color-primary); text-transform: uppercase; letter-spacing: .08em; }

/* ---------- Table ---------- */
.data-table { border-radius: var(--radius-lg); overflow: clip; border: 1px solid var(--color-border); }
.data-table table { width: 100%; }
.data-table th, .data-table td { text-align: left; padding: var(--space-4); font-size: var(--text-sm); border-bottom: 1px solid var(--color-border); }
.data-table th { background: var(--color-surface-offset); color: var(--color-text); font-weight: 700; }
.data-table td { color: var(--color-text-muted); }
.data-table tr:last-child td { border-bottom: none; }

/* ---------- CTA box ---------- */
.cta-box {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-6); align-items: center;
  background: linear-gradient(135deg, var(--color-surface), color-mix(in oklab, var(--color-primary-highlight) 70%, var(--color-surface)));
  border: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent);
  border-radius: var(--radius-xl); padding: clamp(var(--space-6), 5vw, var(--space-10)); box-shadow: var(--shadow-md);
}
.cta-box h2 { font-size: var(--text-2xl); margin-bottom: var(--space-3); color: var(--color-text); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid color-mix(in oklab, var(--color-text) 10%, transparent); padding-block: var(--space-16) var(--space-8); background: var(--color-surface); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-8); margin-bottom: var(--space-10); }
.footer-brand p { margin-top: var(--space-4); max-width: 32ch; }
.footer-col h5 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .1em; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.footer-col ul { display: grid; gap: var(--space-3); }
.footer-col a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-6); border-top: 1px solid var(--color-divider); flex-wrap: wrap; gap: var(--space-4); }
.footer-bottom span { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer-logo { display: flex; align-items: center; gap: var(--space-3); }
.footer-logo img { height: 40px; width: auto; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms cubic-bezier(.16,1,.3,1), transform 700ms cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .overview-grid, .overview-grid.reverse, .grid-3, .grid-4, .cta-box, .footer-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; }
  .page-hero h1 { max-width: none; }
  .footer-grid { gap: var(--space-8); }
}
@media (max-width: 640px) {
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}