/* ============================================================
   BLACK MOUNTAIN MINERALS — style.css (full rewrite)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ─── CSS Variables ──────────────────────────────────────── */
:root {
  --black:        #0a0a0a;
  --dark:         #111111;
  --dark-2:       #181818;
  --silver:       #c0c0c0;
  --silver-light: #e0e0e0;
  --silver-dim:   #888888;
  --text:         #efefef;
  --subtext:      #808080;
  --border:       rgba(192,192,192,0.12);
  --nav-height:   72px;
  --container:    1200px;
  --radius:       4px;
  --transition:   0.2s ease;
}

/* ─── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--black);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ─── Typography ─────────────────────────────────────────── */
h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--silver-light);
}
h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--silver-light);
  margin-bottom: 1.5rem;
}
h3 {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--silver-light);
  margin-bottom: 0.6rem;
}
h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--silver-light);
}
p {
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 1rem;
}
p:last-child { margin-bottom: 0; }

/* ─── Layout Utilities ───────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

.section         { padding: 6rem 0; }
.section-dark    { background: var(--dark); }
.section-light   { background: var(--dark-2); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ─── Section Label ──────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver-dim);
  border-left: 2px solid var(--silver-dim);
  padding-left: 0.6rem;
  margin-bottom: 1rem;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
  text-align: center;
}
.btn-primary {
  background: var(--silver);
  color: var(--black);
  border: 1px solid var(--silver);
}
.btn-primary:hover {
  background: var(--silver-light);
  border-color: var(--silver-light);
}
.btn-outline {
  background: transparent;
  color: var(--silver);
  border: 1px solid var(--silver);
}
.btn-outline:hover {
  background: rgba(192,192,192,0.08);
  color: var(--silver-light);
  border-color: var(--silver-light);
}
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

/* ─── Navigation ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background var(--transition), border-bottom var(--transition), box-shadow var(--transition);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 24px rgba(0,0,0,0.5);
}
.nav.solid {
  background: var(--dark);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav-logo-name {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--silver-light);
}
.nav-logo-sub {
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0.5rem 0.85rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--silver);
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.nav-link:hover,
.nav-link.active {
  color: var(--silver-light);
  background: rgba(192,192,192,0.06);
}
.nav-link.active { color: #fff; }

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 230px;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.nav-item:hover .nav-dropdown,
.nav-item.open .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: 0.55rem 1.1rem;
  font-size: 0.8rem;
  color: var(--silver);
  transition: color var(--transition), background var(--transition);
}
.nav-dropdown a:hover {
  color: var(--silver-light);
  background: rgba(192,192,192,0.06);
}
.nav-arrow {
  font-size: 0.6rem;
  margin-left: 0.25rem;
  vertical-align: middle;
  transition: transform var(--transition);
  display: inline-block;
}
.nav-item:hover .nav-arrow,
.nav-item.open .nav-arrow { transform: rotate(180deg); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--silver);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--nav-height) + 100px);
  padding-bottom: 80px;
  display: flex;
  align-items: flex-start;
  background: var(--black);
  overflow: hidden;
}

/* Grid pattern backgrounds */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(192,192,192,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192,192,192,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}
.page-banner-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(192,192,192,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192,192,192,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 1;
}

.hero .photo-placeholder {
  position: absolute;
  inset: 0;
  border: none;
  border-radius: 0;
  aspect-ratio: unset;
  opacity: 0.22;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10,10,10,0.88) 0%,
    rgba(10,10,10,0.65) 50%,
    rgba(10,10,10,0.42) 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 1rem;
}
.hero h1 { margin-bottom: 1.25rem; }
.hero-sub {
  font-size: 1.15rem;
  color: var(--silver);
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ─── Page Banner ────────────────────────────────────────── */
.page-banner {
  position: relative;
  height: 320px;
  margin-top: var(--nav-height);
  background: var(--dark);
  display: flex;
  align-items: flex-end;
  padding-bottom: 3rem;
  overflow: hidden;
}
.page-banner.slim {
  height: 200px;
  padding-bottom: 2rem;
}
.page-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(17,17,17,0.95) 0%, rgba(17,17,17,0.3) 100%);
  z-index: 2;
}
.page-banner .container {
  position: relative;
  z-index: 3;
}
.page-banner .photo-placeholder {
  position: absolute;
  inset: 0;
  border: none;
  border-radius: 0;
  aspect-ratio: unset;
  opacity: 0.28;
  z-index: 0;
}
.page-banner h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
}
.banner-sub {
  font-size: 1rem;
  color: var(--silver-dim);
}
.breadcrumb {
  font-size: 0.75rem;
  color: var(--silver-dim);
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}
.breadcrumb a { color: var(--silver-dim); }
.breadcrumb a:hover { color: var(--silver); }

/* ─── Photo Placeholder ──────────────────────────────────── */
.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: #1a1a1a;
  border: 1px dashed rgba(192,192,192,0.25);
  border-radius: var(--radius);
  aspect-ratio: 16 / 9;
  text-align: center;
  padding: 1rem;
  width: 100%;
}
.photo-placeholder span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--silver-dim);
  text-transform: uppercase;
}
.photo-placeholder small {
  font-size: 0.7rem;
  color: var(--subtext);
  max-width: 280px;
  display: block;
}

/* ─── Stats Band ─────────────────────────────────────────── */
.stats-band {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 3rem;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.stat-num {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--silver-light);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--subtext);
  line-height: 1.4;
}

/* ─── R2R Section ────────────────────────────────────────── */
.r2r-grid { margin-top: 2rem; }
.r2r-path {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.r2r-number {
  font-size: 3rem;
  font-weight: 700;
  color: rgba(192,192,192,0.12);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.04em;
}

/* ─── Project Cards ──────────────────────────────────────── */
.project-cards-grid { margin-top: 2rem; }
.project-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(192,192,192,0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.project-card-img { position: relative; }
.project-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(10,10,10,0.88);
  color: var(--silver);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  z-index: 1;
}
.project-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.project-card-body h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.project-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.meta-tag {
  font-size: 0.7rem;
  background: rgba(192,192,192,0.06);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.18rem 0.45rem;
  color: var(--silver-dim);
}
.project-card-body > p {
  font-size: 0.83rem;
  color: var(--subtext);
  margin-bottom: 1.25rem;
  flex: 1;
}
.project-card-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

/* ─── Capability Cards (strip) ───────────────────────────── */
.capability-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.75rem;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.capability-card:hover {
  border-color: rgba(192,192,192,0.3);
  background: rgba(255,255,255,0.03);
  transform: translateY(-3px);
}
.cap-icon { font-size: 1.75rem; line-height: 1; }
.capability-card h4 {
  font-size: 0.92rem;
  color: var(--silver);
  font-weight: 500;
}

/* ─── Clients Band ───────────────────────────────────────── */
.clients-band {
  padding: 3.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.clients-above {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtext);
  margin-bottom: 1.5rem;
  text-align: center;
}
.clients-below {
  text-align: center;
  font-size: 0.82rem;
  color: var(--subtext);
  margin-top: 1.5rem;
  font-style: italic;
}
.clients-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2.5rem;
  align-items: center;
}
.client-logo-placeholder {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--silver-dim);
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ─── Three-CTA Band ─────────────────────────────────────── */
.cta-band {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 4rem 0;
}
.cta-band-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}
.cta-band h2 {
  font-size: 1.6rem;
  margin-bottom: 0;
}
.cta-band-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
.cta-invest {
  background: var(--silver);
  color: var(--black);
  border: 1px solid var(--silver);
  display: inline-block;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
  text-align: center;
}
.cta-invest:hover { background: var(--silver-light); border-color: var(--silver-light); }
.cta-offtake,
.cta-build {
  display: inline-block;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
  text-align: center;
  background: transparent;
  color: var(--silver);
  border: 1px solid var(--silver);
}
.cta-offtake:hover,
.cta-build:hover {
  background: rgba(192,192,192,0.08);
  color: var(--silver-light);
  border-color: var(--silver-light);
}
/* dominant overrides — for pages where offtake/build is primary */
.cta-offtake.dominant {
  background: var(--silver);
  color: var(--black);
  border-color: var(--silver);
}
.cta-offtake.dominant:hover { background: var(--silver-light); }
.cta-build.dominant {
  background: var(--silver);
  color: var(--black);
  border-color: var(--silver);
}
.cta-build.dominant:hover { background: var(--silver-light); }

/* ─── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--silver-dim);
  margin-bottom: 1.5rem;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--subtext);
}
.footer-heading {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 1.2rem;
}
.footer-col p,
.footer-col address {
  font-size: 0.82rem;
  color: var(--subtext);
  font-style: normal;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}
.footer-col a {
  color: var(--subtext);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--silver); }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a {
  font-size: 0.82rem;
  color: var(--subtext);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--silver); }

/* ─── Positioning Paragraph ──────────────────────────────── */
.positioning-para { padding: 4rem 0; }
.large-para {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--silver);
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

/* ─── About Page ─────────────────────────────────────────── */
.overview-grid { align-items: start; }
.key-facts {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.key-facts li {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  font-size: 0.85rem;
  color: var(--subtext);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}
.key-facts li::before {
  content: '—';
  color: var(--silver-dim);
  flex-shrink: 0;
}
.footprint-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.footprint-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.footprint-card h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 0.75rem;
}
.footprint-card p {
  font-size: 0.85rem;
  color: var(--subtext);
  margin: 0;
  line-height: 1.7;
}
.director-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}
.director-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.director-card-img {
  background: #1a1a1a;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}
.director-card-img span {
  font-size: 0.75rem;
  color: var(--subtext);
  text-align: center;
  padding: 1rem;
}
.director-card-body { padding: 1.5rem; }
.director-card-body h3 { font-size: 1.05rem; }
.director-card-body .director-title {
  font-size: 0.78rem;
  color: var(--silver-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}
.director-card-body p {
  font-size: 0.83rem;
  color: var(--subtext);
  font-style: italic;
}
.compliance-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  font-size: 0.9rem;
}
.compliance-table tr { border-bottom: 1px solid var(--border); }
.compliance-table td {
  padding: 0.9rem 1rem;
  vertical-align: top;
}
.compliance-table td:first-child {
  color: var(--silver-dim);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  width: 220px;
}
.compliance-table td:last-child { color: var(--text); }

/* ─── Projects Page ──────────────────────────────────────── */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--silver-dim);
  border: 1px solid var(--border);
  border-radius: 99px;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
  font-family: 'Inter', sans-serif;
}
.filter-btn:hover {
  color: var(--silver);
  border-color: rgba(192,192,192,0.3);
}
.filter-btn.active {
  background: var(--silver);
  color: var(--black);
  border-color: var(--silver);
  font-weight: 600;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.project-card.hidden { display: none; }

/* ─── Capabilities Page ──────────────────────────────────── */
.capability-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}
.capability-section:last-of-type { border-bottom: none; }
.capability-section-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: 2rem;
}
.capability-photos {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.photo-caption {
  font-size: 0.72rem;
  color: var(--subtext);
  font-style: italic;
  margin-top: 0.3rem;
  text-align: center;
}
.cap-section-cta { margin-top: 2rem; }

/* ─── Trading Page ───────────────────────────────────────── */
.trade-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}
.trade-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.trade-card-body { padding: 1.75rem; }
.trade-card-body h3 { margin-bottom: 0.5rem; }
.trade-card-body p { font-size: 0.9rem; color: var(--subtext); }

.commodities-band {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
}
.commodities-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.commodity-item {
  padding: 0.75rem 2.5rem;
  border-right: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
}
.commodity-item:last-child { border-right: none; }

.gov-photo-block {
  margin-top: 2.5rem;
  max-width: 500px;
}

/* ─── Contact Page ───────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}
.form-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}
.form-tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--subtext);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
}
.form-tab:hover { color: var(--silver); }
.form-tab.active {
  color: var(--silver-light);
  border-bottom-color: var(--silver);
}
.form-panel { display: none; }
.form-panel.active { display: block; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  color: var(--text);
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(192,192,192,0.4);
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.radio-group {
  display: flex;
  gap: 1.5rem;
  padding-top: 0.25rem;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: var(--silver);
  cursor: pointer;
}
.radio-label input[type="radio"] {
  width: auto;
  accent-color: var(--silver);
}
.form-submit { margin-top: 1.75rem; }
.office-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.office-card {
  background: var(--dark-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.office-card h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 0.75rem;
}
.office-card address {
  font-size: 0.85rem;
  color: var(--subtext);
  font-style: normal;
  line-height: 1.85;
}
.office-card a { color: var(--subtext); transition: color var(--transition); }
.office-card a:hover { color: var(--silver); }
.contact-compliance {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  font-size: 0.75rem;
  color: var(--subtext);
  text-align: center;
}

/* ─── Scroll Reveal ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ─── Responsive — 1024px ────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-3,
  .projects-grid,
  .project-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid .footer-col:first-child { grid-column: 1 / -1; }
  .contact-layout { grid-template-columns: 1fr; }
  .capability-section-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ─── Responsive — 768px ─────────────────────────────────── */
@media (max-width: 768px) {
  .section { padding: 4rem 0; }

  .hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow-y: auto;
    padding: 1rem 0 2rem;
    border-top: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-item { width: 100%; }
  .nav-link {
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
    border-radius: 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-dropdown {
    position: static;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    border-radius: 0;
    background: var(--black);
    display: none;
    padding: 0;
  }
  .nav-item.open .nav-dropdown { display: block; }
  .nav-dropdown a {
    padding: 0.75rem 2.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
  }

  .grid-2,
  .grid-3,
  .projects-grid,
  .project-cards-grid,
  .trade-cards,
  .director-cards,
  .footprint-grid,
  .office-cards { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }

  .cta-band-buttons {
    flex-direction: column;
    align-items: center;
  }
  .cta-band-buttons .btn,
  .cta-band-buttons .cta-invest,
  .cta-band-buttons .cta-offtake,
  .cta-band-buttons .cta-build {
    width: 100%;
    max-width: 320px;
  }

  .hero-ctas { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid .footer-col:first-child { grid-column: auto; }
  .page-banner { height: 260px; }
  .page-banner.slim { height: 180px; }

  .commodities-strip { flex-direction: column; align-items: stretch; }
  .commodity-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    text-align: center;
  }
  .commodity-item:last-child { border-bottom: none; }
}

/* ─── Responsive — 480px ─────────────────────────────────── */
@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .nav-logo-text { display: none; }
  .filter-tabs { gap: 0.4rem; }
  .filter-btn { padding: 0.45rem 0.9rem; font-size: 0.75rem; }
  .form-tabs { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .form-tab { padding: 0.65rem 1rem; font-size: 0.78rem; }
}