/* ============================================================
   ORIGIN MINERALS — Layout, Components, Utilities
   ============================================================ */

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-16));
}
.container--narrow { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

/* === SECTION SPACING === */
.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--sm { padding-block: clamp(var(--space-8), 4vw, var(--space-16)); }
.section--dark { background: var(--color-surface); }
.section--card { background: var(--color-surface-card); }

/* === NAVIGATION === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition);
}
.site-header--scrolled { box-shadow: var(--shadow-md); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-8);
}

.nav-logo { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.nav-logo svg { width: 40px; height: 40px; }
/* Real logo images */
.logo-img { display: block; width: auto; object-fit: contain; }
/* Dark mode default (data-theme=dark): show white SVG, hide color JPG */
[data-theme='dark'] .logo-white  { display: block; }
[data-theme='dark'] .logo-color  { display: none; }
/* Light mode: show color JPG, hide white SVG */
[data-theme='light'] .logo-white { display: none; }
[data-theme='light'] .logo-color { display: block; }
/* Fallback (no theme attr): dark default */
.logo-white { display: block; }
.logo-color { display: none; }
/* Legacy text elements hidden */
.nav-logo-text { display: none; }
.nav-logo-sub  { display: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: var(--space-2);
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  border: none !important;
  padding: var(--space-2) var(--space-5) !important;
  border-radius: var(--radius-md);
  font-weight: 600 !important;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--color-primary-hover) !important; }

.nav-actions { display: flex; align-items: center; gap: var(--space-4); }

.theme-toggle {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  color: var(--color-text-muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-primary); }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Mobile menu */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 200;
  flex-direction: column;
  padding: var(--space-8);
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-12); }
.mobile-nav-links { display: flex; flex-direction: column; gap: var(--space-2); }
.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-muted);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  letter-spacing: 0.02em;
}
.mobile-nav-links a:hover { color: var(--color-primary); }

/* === HERO === */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,22,39,0.92) 0%, rgba(11,22,39,0.7) 60%, rgba(11,22,39,0.5) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-block: var(--space-24);
}
.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 14ch;
  text-transform: uppercase;
}
.hero-title span { color: var(--color-primary); }
.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-10);
  font-weight: 400;
  line-height: 1.6;
}
.hero-actions { display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; }

/* Element tiles */
.element-tiles { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-8); }
.element-tile {
  border: 1.5px solid var(--color-primary-border);
  background: var(--color-primary-subtle);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  text-align: center;
  min-width: 64px;
}
.element-symbol {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.element-number {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: 2px;
}
.element-name {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
  letter-spacing: 0.05em;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #0B1627;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { color: var(--color-primary); }

/* === STAT BAR === */
.stat-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-primary-border);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-6) 0;
}
.stat-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  text-align: center;
}
.stat-bar-item { padding: var(--space-4); }
.stat-bar-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-bar-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
}
.stat-bar-divider { border-right: 1px solid var(--color-divider); }

/* === CARDS === */
.card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--color-primary-border); transform: translateY(-2px); }
.card-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--space-4);
}
.card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card-body { font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.65; }

/* === SECTION HEADER === */
.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
  line-height: 1.1;
  margin-bottom: var(--space-5);
}
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.7;
}

/* === GRID UTILITIES === */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* === GOLD DIVIDER === */
.gold-line {
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin-bottom: var(--space-8);
}

/* === CALLOUT BOX === */
.callout {
  background: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-8);
}
.callout-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* === DATA TABLE === */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--space-3) var(--space-5);
  text-align: left;
  border-bottom: 2px solid var(--color-primary-border);
}
.data-table td {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-divider);
}
.data-table tr:hover td { background: var(--color-surface); }
.data-table .highlight { color: var(--color-primary); font-weight: 700; }

/* === FOOTER === */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
.footer-brand p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 32ch; line-height: 1.7; margin-top: var(--space-4); }
.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a { font-size: var(--text-sm); color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-copyright { font-size: var(--text-xs); color: var(--color-text-faint); }
.footer-disclaimer { font-size: var(--text-xs); color: var(--color-text-faint); max-width: 60ch; text-align: right; }

/* === PAGE HEADER (inner pages) === */
.page-hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding-block: clamp(var(--space-16), 6vw, var(--space-24));
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, var(--color-primary-subtle) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 1; }

/* === TIMELINE === */
.timeline { position: relative; padding-left: var(--space-12); }
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-divider));
}
.timeline-item { position: relative; padding-bottom: var(--space-10); }
.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-12) - 5px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg);
}
.timeline-year {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}
.timeline-text { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }
.timeline-text strong { color: var(--color-text); }

/* === PILL BADGE === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-gold { background: var(--color-primary-subtle); color: var(--color-primary); border: 1px solid var(--color-primary-border); }
.badge-navy { background: var(--color-surface-offset); color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-bar-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn { display: none; }
  .mobile-menu-btn { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stat-bar-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-bar-divider { border-right: none; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero-title { font-size: clamp(2.5rem, 8vw, 5rem); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-disclaimer { text-align: center; }
}

/* ============================================================
   MOBILE OPTIMIZATIONS — max-width: 640px
   Desktop layout completely unchanged above this breakpoint
   ============================================================ */
@media (max-width: 640px) {

  /* ── Spacing ── */
  .section { padding: var(--space-10) 0; }
  .container { padding-inline: var(--space-4) !important; max-width: 100% !important; }

  /* ── Typography ── */
  .hero-title { font-size: clamp(1.8rem, 8vw, 2.6rem) !important; line-height: 1.15; }
  .hero-subtitle { font-size: var(--text-sm); max-width: 100% !important; }
  .section-title { font-size: clamp(1.4rem, 6vw, 1.9rem) !important; }
  .section-label { font-size: 0.65rem; }
  p, li { max-width: 100% !important; }

  /* ── Hero ── */
  .hero { min-height: 80vh; padding: var(--space-20) 0 var(--space-10); }
  .hero-eyebrow { font-size: 0.65rem; letter-spacing: 0.08em; }
  .hero-actions { flex-direction: column; gap: var(--space-3); width: 100%; }
  .hero-actions .btn { width: 100%; text-align: center; justify-content: center; }

  /* ── Nav ── */
  .nav-inner { padding: 0 var(--space-4); height: 56px; }

  /* ── All grids → single column ── */
  .grid-2, .grid-3, .grid-4,
  [style*="grid-template-columns"],
  .highlight-grid,
  .contact-grid,
  .investors-grid,
  .mission-layout,
  .use-case-grid { grid-template-columns: 1fr !important; }

  /* ── Pipeline → single column ── */
  .pipeline { grid-template-columns: 1fr !important; }
  .pipeline-step { border-right: none !important; border-bottom: 1px solid var(--color-border) !important; border-radius: 0 !important; }
  .pipeline-step:first-child { border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important; }
  .pipeline-step:last-child  { border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important; border-bottom: 1px solid var(--color-border) !important; }
  .pipeline-step::after { display: none !important; }

  /* ── Stat bars ── */
  .stat-bar-grid { grid-template-columns: 1fr 1fr !important; gap: var(--space-3); }
  .snapshot-grid { grid-template-columns: 1fr 1fr !important; gap: var(--space-3); }

  /* ── Team: 1 per row, bios hidden ── */
  .team-grid { grid-template-columns: 1fr !important; gap: var(--space-4) !important; }
  .team-card-body { padding: var(--space-4); }
  .team-card-name { font-size: var(--text-base); }
  .team-card-role { font-size: var(--text-xs); }
  /* Bios hidden by default on mobile — tap to expand */
  .team-card-bio { display: none !important; }
  .team-card.expanded .team-card-bio { display: flex !important; }

  /* Tap indicator on photo */
  .photo-wrap { position: relative; cursor: pointer; }
  .photo-wrap::after {
    content: "Tap for bio";
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: rgba(11,22,39,0.72);
    color: #C4952A;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: center;
    padding: 5px 0;
  }
  .team-card.expanded .photo-wrap::after { content: "Tap to close"; }

  /* ── Mineral cards ── */
  .mineral-card { padding: var(--space-5); }

  /* ── Buttons ── */
  .btn { font-size: var(--text-sm); padding: 0.6rem 1.2rem; }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr !important; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
  .footer-disclaimer { text-align: center; max-width: 100%; }
  .footer-links { flex-wrap: wrap; gap: var(--space-3); }

  /* ── News ── */
  .news-item { grid-template-columns: 1fr !important; gap: var(--space-3); }
  .news-item-date { display: flex; gap: var(--space-3); align-items: center; }

  /* ── Why It Matters ── */
  .stat-callout { padding: var(--space-5); }
  .stat-callout-val { font-size: clamp(2rem, 10vw, 3rem); }

  /* ── Tables ── */
  table { font-size: var(--text-xs); width: 100%; }
  td, th { padding: var(--space-2) var(--space-2) !important; }

  /* ── Forms ── */
  .form-row { grid-template-columns: 1fr !important; }

  /* ── Inline style overrides for wide divs ── */
  div[style*="max-width:860px"],
  div[style*="max-width: 860px"] { max-width: 100% !important; }
}