/* =========================================================
   CHOGOREE — Design Tokens
   ========================================================= */
:root {
  --color-charcoal: #34383F;
  --color-charcoal-deep: #191B20;
  --color-charcoal-panel: #23262D;
  --color-gold: #F0A800;
  --color-gold-deep: #C98600;
  --color-gold-text: #8A5F00; /* accessible on cream, 5.1:1 */
  --color-cream: #F6F3EC;
  --color-stone: #E7E2D6;
  --color-stone-line: #D8D2C4;
  --color-muted: #666257;
  --color-white: #FFFFFF;

  /* celestine blue accent, for the mineral spotlight only */
  --color-celestine: #7FA3C2;
  --color-celestine-deep: #3F5C73;

  --font-display: "Big Shoulders Display", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1180px;
  --radius: 3px;
  --radius-lg: 6px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background: var(--color-cream);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; font-size: 1rem; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-charcoal); color: var(--color-white);
  padding: 12px 20px; z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

@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;
  }
}

/* =========================================================
   Layout helpers
   ========================================================= */
.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 32px;
}
.kicker {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--color-gold-text);
  font-weight: 600;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.kicker-light { color: var(--color-gold); }
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  margin-bottom: 20px;
  max-width: 16ch;
}
.section-intro {
  max-width: 62ch;
  color: var(--color-muted);
  font-size: 1.05rem;
}
.mineral-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  margin: 28px 0 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.btn-primary {
  background: var(--color-gold);
  color: var(--color-charcoal-deep);
}
.btn-primary:hover { background: var(--color-gold-deep); transform: translateY(-2px); }
.btn-ghost {
  border-color: rgba(255,255,255,0.4);
  color: inherit;
}
.btn-ghost:hover { border-color: var(--color-gold); color: var(--color-gold); transform: translateY(-2px); }
.btn-full { width: 100%; }

/* tag & chip lists (reusable) */
.tag-list li {
  position: relative;
  padding: 8px 0 8px 20px;
  color: var(--color-muted);
  font-size: 0.96rem;
  border-top: 1px solid var(--color-stone);
}
.tag-list li:first-child { border-top: none; }
.tag-list li::before {
  content: "";
  position: absolute; left: 0; top: 17px;
  width: 7px; height: 7px;
  background: var(--color-gold);
}
.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.chip-list li {
  padding: 8px 18px;
  border: 1px solid var(--color-stone-line);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--color-muted);
  background: var(--color-white);
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 236, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(246, 243, 236, 0.94);
  border-bottom-color: var(--color-stone-line);
  box-shadow: 0 4px 20px rgba(25,27,32,0.05);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 30px; width: auto; }

.main-nav {
  display: flex;
  gap: 30px;
  margin-left: auto;
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a { position: relative; padding: 6px 0; }
.main-nav a::after {
  content: "";
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--color-gold-deep);
  transition: right 0.25s var(--ease);
}
.main-nav a:hover::after { right: 0; }

.nav-cta {
  border: 1px solid var(--color-charcoal);
  padding: 9px 20px;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  transition: background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--color-charcoal); color: var(--color-white); }

.menu-toggle {
  display: none;
  background: none; border: none;
  width: 32px; height: 22px;
  flex-direction: column; justify-content: space-between;
  padding: 0;
}
.menu-toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--color-charcoal);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--color-cream);
  border-bottom: 1px solid var(--color-stone-line);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease);
}
.mobile-nav.open { max-height: 400px; }
.mobile-nav a {
  padding: 16px 32px;
  border-top: 1px solid var(--color-stone-line);
  font-weight: 500;
}

/* =========================================================
   Hero — layered animated scene
   ========================================================= */
.hero {
  position: relative;
  background: var(--color-charcoal-deep);
  color: var(--color-white);
  overflow: hidden;
  padding: 150px 32px 140px;
  min-height: 680px;
  display: flex;
  align-items: center;
}
.hero-scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.sky-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  width: 1100px;
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(240,168,0,0.16) 0%, rgba(240,168,0,0.05) 40%, transparent 70%);
  animation: glowDrift 16s ease-in-out infinite alternate;
}
@keyframes glowDrift {
  0%   { transform: translateX(-54%) translateY(0) scale(1); opacity: 0.85; }
  100% { transform: translateX(-46%) translateY(2%) scale(1.06); opacity: 1; }
}

.stars {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 12% 22%, rgba(255,255,255,0.55), transparent),
    radial-gradient(1.5px 1.5px at 28% 12%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 44% 30%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 62% 8%, rgba(255,255,255,0.35), transparent),
    radial-gradient(1px 1px at 76% 20%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 88% 14%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 20% 40%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1.5px 1.5px at 55% 42%, rgba(255,255,255,0.3), transparent);
  animation: twinkle 6s ease-in-out infinite alternate;
}
@keyframes twinkle {
  0% { opacity: 0.5; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

.contour-field { position: absolute; width: 100%; height: 100%; display: block; will-change: transform; }
.contour {
  fill: none;
  stroke: rgba(240,168,0,0.14);
  stroke-width: 1.5;
}
.contour.c2 { stroke: rgba(240,168,0,0.10); }
.contour.c3 { stroke: rgba(240,168,0,0.07); }
.contour.c4 { stroke: rgba(255,255,255,0.05); }
.layer-slow { animation: driftSlow 46s ease-in-out infinite alternate; }
@keyframes driftSlow {
  0%   { transform: translateX(-1.5%); }
  100% { transform: translateX(1.5%); }
}

.peak-layer {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 62%;
  will-change: transform;
}
.layer-back polygon { fill: #262a32; }
.layer-back { opacity: 0.9; }
.layer-mid .mid-body { fill: #1e2128; }
.layer-mid { opacity: 0.96; }
.layer-front polygon { fill: #14161b; }

.mist {
  position: absolute;
  bottom: 8%;
  left: -10%;
  width: 120%;
  height: 90px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05) 30%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.05) 70%, transparent);
  filter: blur(6px);
  animation: mistDrift 22s ease-in-out infinite alternate;
}
@keyframes mistDrift {
  0%   { transform: translateX(-3%); opacity: 0.6; }
  100% { transform: translateX(3%); opacity: 0.9; }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.hero .eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 22px;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5.6vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: 0.002em;
  margin-bottom: 28px;
}
.hero-lede {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.78);
  max-width: 58ch;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* =========================================================
   About
   ========================================================= */
.section-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  margin-bottom: 64px;
}
.about-statement h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  line-height: 1.05;
  position: sticky;
  top: 120px;
}
.about-copy p { margin-bottom: 20px; color: var(--color-muted); font-size: 1.02rem; }
.about-copy strong { color: var(--color-charcoal); }
.about-copy em { color: var(--color-charcoal); font-style: italic; }

.mission-list { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--color-stone-line); }
.mission-lead { color: var(--color-charcoal); font-weight: 600; margin-bottom: 6px; font-size: 1rem; }

.entity-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-stone-line);
  border: 1px solid var(--color-stone-line);
}
.entity-card { background: var(--color-white); padding: 36px; }
.entity-flag { font-size: 0.85rem; color: var(--color-muted); margin-bottom: 10px; }
.entity-card h3 { font-size: 1.2rem; margin-bottom: 12px; line-height: 1.3; }
.entity-body { color: var(--color-muted); font-size: 0.96rem; margin-bottom: 16px; }
.entity-meta { color: var(--color-muted); font-size: 0.85rem; padding-top: 14px; border-top: 1px solid var(--color-stone); }

/* =========================================================
   Minerals — spotlight + 3D crystal
   ========================================================= */
.mineral-spotlight {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-stone-line);
  padding: 48px;
  margin-top: 48px;
}
.mineral-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 900px;
}
.crystal-svg {
  width: 100%;
  max-width: 260px;
  filter: drop-shadow(0 18px 30px rgba(63,92,115,0.35));
  animation: crystalFloat 7s ease-in-out infinite;
  transform-style: preserve-3d;
}
@keyframes crystalFloat {
  0%   { transform: rotateY(-10deg) rotateX(3deg) translateY(0); }
  50%  { transform: rotateY(10deg) rotateX(-2deg) translateY(-10px); }
  100% { transform: rotateY(-10deg) rotateX(3deg) translateY(0); }
}
.periodic-tile {
  position: absolute;
  bottom: -6px;
  right: 4%;
  width: 76px;
  height: 76px;
  background: var(--color-charcoal-deep);
  color: var(--color-white);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(25,27,32,0.35);
  border-top: 2px solid var(--color-gold);
}
.pt-number { font-size: 0.65rem; color: rgba(255,255,255,0.55); align-self: flex-start; margin: 4px 0 0 8px; }
.pt-symbol { font-family: var(--font-display); font-size: 1.7rem; line-height: 1; font-weight: 700; }
.pt-name { font-size: 0.58rem; letter-spacing: 0.03em; color: rgba(255,255,255,0.65); margin-top: 2px; text-transform: uppercase; }

.mineral-info h3 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 8px;
}
.mineral-formula { color: var(--color-celestine-deep); font-weight: 600; margin-bottom: 18px; font-size: 0.98rem; }
.mineral-desc { color: var(--color-muted); font-size: 1rem; margin-bottom: 6px; }

.mineral-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-stone-line);
}
.mineral-meta div span { display: block; font-size: 0.75rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 4px; }
.mineral-meta div { font-weight: 600; font-size: 0.98rem; }

.future-portfolio { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--color-stone-line); }

/* =========================================================
   Services (dark band)
   ========================================================= */
.services {
  background: var(--color-charcoal-deep);
  color: var(--color-white);
  max-width: none;
  padding: 96px 32px;
  position: relative;
  overflow: hidden;
}
.services::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 15% 20%, rgba(240,168,0,0.06), transparent 45%),
                     radial-gradient(circle at 85% 80%, rgba(240,168,0,0.05), transparent 40%);
  pointer-events: none;
}
.services .section-title { color: var(--color-white); }
.services .section-intro { color: rgba(255,255,255,0.65); }
.ops-list {
  max-width: var(--container);
  margin: 56px auto 0;
  border-top: 1px solid rgba(255,255,255,0.14);
  position: relative;
}
.ops-item {
  display: grid;
  grid-template-columns: 200px 280px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.ops-index { font-size: 0.8rem; letter-spacing: 0.04em; color: var(--color-gold); font-weight: 600; text-transform: uppercase; }
.ops-item h3 { font-size: 1.15rem; }
.ops-item p { color: rgba(255,255,255,0.65); font-size: 0.98rem; }

/* =========================================================
   Corridor / map / flow
   ========================================================= */
.corridor-head { max-width: 640px; margin-bottom: 48px; }
.corridor-map {
  background: var(--color-white);
  border: 1px solid var(--color-stone-line);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.route-svg { width: 100%; height: auto; }
.route-line { fill: none; stroke: var(--color-gold-deep); stroke-width: 2.5; stroke-dasharray: 6 6; animation: routeFlow 3s linear infinite; }
@keyframes routeFlow { to { stroke-dashoffset: -24; } }
.route-node { fill: var(--color-charcoal); }
.route-label { font: 600 15px/1 var(--font-body); fill: var(--color-charcoal); }
.route-sub { font: 400 12px/1 var(--font-body); fill: var(--color-muted); }

.flow-panel { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--color-stone-line); }
.flow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.flow-steps li {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-stone-line);
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 999px;
}
.flow-steps li span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: var(--color-gold);
  color: var(--color-charcoal-deep);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}

/* =========================================================
   Quality steps
   ========================================================= */
.quality-steps {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-stone-line);
  border: 1px solid var(--color-stone-line);
}
.quality-steps li {
  background: var(--color-white);
  padding: 28px;
  display: flex;
  gap: 16px;
}
.q-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-gold-text);
  line-height: 1;
  flex-shrink: 0;
}
.quality-steps h3 { font-size: 1rem; margin-bottom: 6px; }
.quality-steps p { color: var(--color-muted); font-size: 0.9rem; }
.quality-note { margin-top: 32px; color: var(--color-muted); max-width: 70ch; font-size: 0.98rem; border-left: 3px solid var(--color-gold); padding-left: 20px; }

/* =========================================================
   Credentials
   ========================================================= */
.cred-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.cred-card {
  background: var(--color-white);
  border: 1px solid var(--color-stone-line);
  border-top: 3px solid var(--color-gold);
  padding: 30px;
}
.cred-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.cred-authority { color: var(--color-muted); font-size: 0.88rem; margin-bottom: 20px; }
.cred-facts li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--color-stone);
  font-size: 0.92rem;
}
.cred-facts li:first-child { border-top: none; }
.cred-facts span { color: var(--color-muted); flex-shrink: 0; }

/* =========================================================
   CTA band
   ========================================================= */
.cta-band {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-deep) 100%);
  color: var(--color-charcoal-deep);
}
.cta-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 32px;
  text-align: center;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}
.cta-inner p {
  max-width: 60ch;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  opacity: 0.85;
}
.cta-band .btn-primary {
  background: var(--color-charcoal-deep);
  color: var(--color-white);
}
.cta-band .btn-primary:hover { background: var(--color-charcoal); }
.cta-band .hero-actions { justify-content: center; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 48px;
}
.office-card { border-top: 1px solid var(--color-stone-line); padding: 24px 0; }
.office-card:first-child { border-top: none; padding-top: 0; }
.office-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.office-person { color: var(--color-muted); font-size: 0.92rem; margin-bottom: 12px; }
.office-details li { padding: 3px 0; font-size: 0.95rem; }
.office-details a:hover { color: var(--color-gold-text); }
.office-web { margin-top: 24px; font-weight: 600; }

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-stone-line);
  padding: 36px;
  border-radius: var(--radius-lg);
}
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--color-muted); }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-stone-line);
  border-radius: var(--radius);
  background: var(--color-cream);
  color: var(--color-charcoal);
  resize: vertical;
  transition: border-color 0.2s var(--ease);
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--color-gold-deep); outline: none; }
.form-note { margin-top: 14px; font-size: 0.8rem; color: var(--color-muted); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer { background: var(--color-charcoal-deep); color: rgba(255,255,255,0.7); }
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 32px 40px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-logo { height: 24px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; max-width: 34ch; }
.footer-col h4 { color: var(--color-white); font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: 16px; text-transform: uppercase; }
.footer-col a, .footer-col p { display: block; font-size: 0.9rem; margin-bottom: 10px; }
.footer-col a:hover { color: var(--color-gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 32px; text-align: center; font-size: 0.82rem; }

/* =========================================================
   Scroll reveal
   ========================================================= */
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  .main-nav, .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav { display: flex; }

  .section-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-statement h2 { position: static; }
  .entity-row { grid-template-columns: 1fr; }

  .mineral-spotlight { grid-template-columns: 1fr; padding: 32px; gap: 40px; }
  .mineral-meta { grid-template-columns: 1fr 1fr; }

  .ops-item { grid-template-columns: 1fr; gap: 8px; }

  .quality-steps { grid-template-columns: 1fr; }

  .cred-grid { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .section { padding: 64px 20px; }
  .header-inner { padding: 14px 20px; }
  .hero { padding: 120px 20px 100px; min-height: 560px; }
  .mineral-meta { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; padding: 56px 20px 32px; }
  .cta-inner { padding: 64px 20px; }
}