/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--fs-button-md);
  line-height: var(--lh-button-md);
  font-weight: 600;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary { background: var(--color-ink); color: var(--color-on-primary); }
.btn-secondary:hover { background: var(--color-ink-soft); }

.btn-tertiary { background: var(--color-canvas); color: var(--color-ink); border-color: var(--color-ink); }
.btn-tertiary:hover { color: var(--color-primary); border-color: var(--color-primary); }

.btn-tertiary-inverse { background: transparent; color: var(--color-on-primary); border-color: var(--color-on-primary); }
.btn-tertiary-inverse:hover { color: var(--color-primary); border-color: var(--color-primary); }

.btn-text {
  background: transparent;
  color: var(--color-primary);
  font-size: var(--fs-button-sm);
  letter-spacing: var(--ls-button-sm);
  font-weight: 700;
  padding: var(--space-sm) 0;
  border-radius: 0;
}
.btn-text::after { content: "\2192"; margin-left: var(--space-xs); transition: transform var(--duration-fast) var(--ease-out); display: inline-block; }
.btn-text:hover::after { transform: translateX(3px); }

.btn-block { width: 100%; }

/* ── Header / Nav ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-steel-line);
  transition: box-shadow var(--duration-base) var(--ease-out);
}
.site-header.is-scrolled { box-shadow: 0 4px 16px rgba(18, 19, 15, 0.06); }

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  gap: var(--space-xl);
  width: 100%;
  max-width: none;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 38px;
  width: auto;
  display: block;
}
@media (max-width: 480px) {
  .logo-img { height: 30px; }
}

.nav-primary {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: nowrap;
}

.nav-primary > li { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--fs-body-sm);
  font-weight: 600;
  color: var(--color-ink);
  padding: var(--space-sm) 0;
  transition: color var(--duration-fast) var(--ease-out);
}
.nav-link:hover, .nav-link.is-active { color: var(--color-primary); }
.nav-link .caret { width: 9px; height: 9px; transition: transform var(--duration-fast) var(--ease-out); }
.has-dropdown:hover .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 220px;
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(18, 19, 15, 0.12);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), visibility var(--duration-fast);
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--fs-body-sm);
  color: var(--color-ink);
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.dropdown a:hover { background: var(--color-canvas-soft); color: var(--color-primary); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--space-xs);
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-ink); transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 1025px) {
  .nav-primary { gap: var(--space-xl); }
}

@media (min-width: 1400px) {
  .nav-primary { gap: var(--space-2xl); }
}

@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .nav-primary {
    position: fixed;
    inset: 65px 0 0 0;
    background: var(--color-canvas);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-lg) var(--space-xl);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--duration-base) var(--ease-out);
  }
  .nav-primary.is-open { transform: translateX(0); }
  .nav-primary > li { border-bottom: 1px solid var(--color-steel-line); }
  .nav-link { padding: var(--space-lg) 0; justify-content: space-between; }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    display: none;
    padding: 0 0 var(--space-md);
  }
  .has-dropdown.is-open .dropdown { display: block; }
}

/* ── Footer ── */
.site-footer {
  background: var(--color-ink);
  color: var(--color-mute);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h3 {
  color: var(--color-on-primary);
  font-size: var(--fs-body-sm);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: var(--space-lg);
}
.footer-grid a, .footer-grid li { font-size: var(--fs-body-sm); color: var(--color-mute); }
.footer-grid a { display: inline-block; padding: var(--space-xs) 0; transition: color var(--duration-fast) var(--ease-out); }
.footer-grid a:hover { color: var(--color-on-primary); }
.footer-logo { margin-bottom: var(--space-md); display: flex; align-items: center; }
.footer-logo-img { height: 34px; width: auto; display: block; box-sizing: content-box; background: #fff; padding: 8px 12px; border-radius: var(--radius-sm); }
.footer-bottom {
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-caption);
  flex-wrap: wrap;
  gap: var(--space-md);
}

@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 599px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ── Hero ── */
.hero-actions { display: flex; gap: var(--space-md); margin-top: var(--space-2xl); flex-wrap: wrap; }

/* ── Hero slider ── */
.hero-slider {
  position: relative;
  overflow: hidden;
}
.hero-slides {
  position: relative;
  height: calc(100vh - 64px);
  min-height: 560px;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow, 600ms) var(--ease-out);
  display: flex;
  align-items: center;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
}
.hero-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  transition: transform 7s var(--ease-out);
}
.hero-slide.is-active img {
  transform: scale(1);
}
.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(18,19,15,0.80) 0%, rgba(18,19,15,0.55) 45%, rgba(18,19,15,0.15) 75%, rgba(18,19,15,0) 100%);
}
.hero-slide-content {
  position: relative;
  z-index: 1;
  color: var(--color-on-primary);
  width: 100%;
  max-width: 1560px;
  margin: 0 auto;
  padding: 0 60px;
}
.hero-slide-content .eyebrow { color: var(--color-mute); }
.hero-slide-content h1, .hero-slide-content h2 { color: var(--color-on-primary); max-width: 880px; }
.hero-slide-content p { margin-top: var(--space-lg); color: var(--color-mute); max-width: 620px; }

.hero-keypoints {
  display: flex;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
}
.hero-keypoint {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  max-width: 130px;
}
.hero-keypoint svg { width: 28px; height: 28px; color: var(--color-on-primary); }
.hero-keypoint span {
  font-size: var(--fs-caption);
  font-weight: 600;
  color: var(--color-on-primary);
  line-height: 1.3;
}

.hero-tagline {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  font-size: var(--fs-caption);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-mute);
}
.hero-tagline span {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--color-mute);
}

@media (max-width: 767px) {
  .hero-slide-content { padding: 0 24px; }
  .hero-slide-content h1, .hero-slide-content h2 { font-size: 28px; line-height: 32px; letter-spacing: normal; max-width: 100%; }
  .hero-slide-content .eyebrow { font-size: var(--fs-caption); }
  .hero-slide-content p { font-size: var(--fs-body-sm); max-width: 100%; }
  .hero-keypoints { gap: var(--space-lg); }
}

@media (max-width: 480px) {
  .hero-slide-content h1, .hero-slide-content h2 { font-size: 24px; line-height: 28px; }
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(18,19,15,0.35);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: background var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}
.hero-arrow:hover { background: rgba(18,19,15,0.6); border-color: rgba(255,255,255,0.6); }
.hero-arrow svg { width: 22px; height: 22px; }
.hero-arrow-prev { left: var(--space-xl); }
.hero-arrow-next { right: var(--space-xl); }

.hero-dots {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 2;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.6);
  background: transparent;
  padding: 0;
  cursor: pointer;
  transition: background var(--duration-base) var(--ease-out);
}
.hero-dot.is-active { background: var(--color-on-primary); }

@media (max-width: 767px) {
  .hero-slides { height: calc(100svh - 64px); min-height: 480px; }
  .hero-arrow { width: 36px; height: 36px; }
  .hero-arrow-prev { left: var(--space-md); }
  .hero-arrow-next { right: var(--space-md); }
}

/* ── Stat strip ── */
.stat-strip {
  background: var(--color-ink);
  color: var(--color-on-primary);
  padding: var(--space-2xl) 0;
}
.stat-strip .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-xl);
}
.stat-item { flex: 1; min-width: 150px; text-align: center; border-left: 1px solid rgba(255,255,255,0.12); padding-left: var(--space-xl); }
.stat-item:first-child { border-left: none; padding-left: 0; }
.stat-number {
  font-size: var(--fs-display-sub-md);
  line-height: var(--lh-display-sub-md);
  font-weight: 700;
  color: var(--color-on-primary);
}
.stat-number .accent { color: var(--color-primary); }
.stat-label {
  font-size: var(--fs-caption);
  color: var(--color-mute);
  margin-top: var(--space-xs);
  letter-spacing: 0.3px;
}
@media (max-width: 767px) {
  .stat-strip .container { flex-direction: column; }
  .stat-item { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.12); padding-top: var(--space-lg); }
  .stat-item:first-child { border-top: none; padding-top: 0; }
}

/* ── Grids ── */
.grid {
  display: grid;
  gap: var(--space-xl);
}
.grid > * { min-width: 0; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1023px) {
  .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 599px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
}

/* ── Cards ── */
.card {
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}
.card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(18, 19, 15, 0.08);
}
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
  transition: background var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.card-icon svg { width: 24px; height: 24px; }
.card:hover .card-icon { background: var(--color-primary); color: var(--color-on-primary); transform: scale(1.08); }
.card h3 { font-size: var(--fs-display-sub-sm); margin-bottom: var(--space-sm); }
.card p { color: var(--color-body); font-size: var(--fs-body-sm); }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
  font-size: var(--fs-button-sm);
  font-weight: 700;
  color: var(--color-primary);
}

.card-soft {
  background: var(--color-canvas-soft);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.card-dark {
  background: var(--color-ink);
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}
.card-dark h3 { color: var(--color-on-primary); }
.card-dark p { color: var(--color-mute); }

/* Grade card */
.grade-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.grade-card:hover { border-color: var(--color-primary); transform: translateY(-3px); }
.grade-code {
  font-size: var(--fs-display-xs);
  font-weight: 700;
  color: var(--color-ink);
}
.grade-card p { font-size: var(--fs-caption); color: var(--color-body-mid); margin-top: 4px; }
.grade-tags { display: flex; gap: var(--space-xs); flex-wrap: wrap; margin-top: var(--space-md); }
.grade-card-name { font-size: var(--fs-caption); font-weight: 600; color: var(--color-ink); margin-top: var(--space-sm); }

/* Grade filter bar */
.grade-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-xl) 0 var(--space-xl);
}
.grade-filter {
  font-family: inherit;
  font-size: var(--fs-caption);
  font-weight: 600;
  color: var(--color-body-mid);
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-pill, 999px);
  padding: var(--space-xs) var(--space-lg);
  cursor: pointer;
  transition: border-color var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out), background var(--duration-base) var(--ease-out);
}
.grade-filter:hover { border-color: var(--color-primary); color: var(--color-ink); }
.grade-filter.is-active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-primary); }

/* Badge / pill */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xxs) var(--space-md);
  background: var(--color-canvas-soft);
  color: var(--color-ink);
  font-size: var(--fs-caption);
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-steel-line);
}

/* Cert badge */
.cert-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.cert-card:hover { border-color: var(--color-primary); transform: translateY(-4px); }
.cert-mark {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-full, 9999px);
  background: var(--color-ink);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: background var(--duration-base) var(--ease-out);
}
.cert-mark svg { width: 32px; height: 32px; }
.cert-card:hover .cert-mark { background: var(--color-primary); }
.cert-card h4 { font-size: var(--fs-display-xs); margin-bottom: var(--space-xs); }
.cert-card p { font-size: var(--fs-caption); color: var(--color-body-mid); }

/* Cert card — photo */
.cert-card-photo {
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.cert-card-photo:hover { border-color: var(--color-primary); transform: translateY(-4px); }
.cert-photo { aspect-ratio: 3 / 4; overflow: hidden; background: var(--color-canvas-soft); }
.cert-photo img { width: 100%; height: 100%; object-fit: contain; display: block; transition: transform var(--duration-slow) var(--ease-out); }
.cert-photo:hover img { transform: scale(1.04); }
.cert-card-photo h4 { font-size: var(--fs-display-xs); margin: var(--space-lg) var(--space-lg) var(--space-xs); }
.cert-card-photo p { font-size: var(--fs-caption); color: var(--color-body-mid); margin: 0 var(--space-lg) var(--space-lg); }

/* ── Process flow ── */
.process-flow {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 150px;
  position: relative;
}
.process-step .step-num {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}
.process-step .step-label { font-size: var(--fs-body-sm); font-weight: 600; color: var(--color-ink); }
.process-step p { font-size: var(--fs-caption); color: var(--color-body-mid); margin-top: var(--space-xs); line-height: 1.4; }
.process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 22px;
  left: calc(50% + 32px);
  width: calc(100% - 44px);
  height: 1px;
  background: var(--color-steel-line);
}
@media (max-width: 767px) {
  .process-flow { flex-direction: column; align-items: stretch; }
  .process-step { flex-direction: row; text-align: left; gap: var(--space-md); min-width: 0; align-items: flex-start; }
  .process-step .step-num { margin-bottom: 0; flex-shrink: 0; }
  .process-step:not(:last-child)::after { display: none; }
}

/* ── Spec tables ── */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-steel-line); border-radius: var(--radius-md); }
table.spec-table { width: 100%; border-collapse: collapse; min-width: 480px; }
.spec-table thead { background: var(--color-ink); }
.spec-table th {
  color: var(--color-on-primary);
  font-size: var(--fs-caption);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  text-align: left;
  padding: var(--space-sm) var(--space-lg);
}
.spec-table td {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  padding: var(--space-sm) var(--space-lg);
  border-top: 1px solid var(--color-steel-line);
  color: var(--color-ink-mid);
}
.spec-table tbody tr:nth-child(even) { background: var(--color-canvas-soft); }

/* ── Forms ── */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.form-field { display: flex; flex-direction: column; gap: var(--space-xs); }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: var(--fs-body-sm); font-weight: 600; color: var(--color-ink); }
.form-field input,
.form-field select,
.form-field textarea {
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-body-md);
  color: var(--color-ink);
  transition: border-color var(--duration-fast) var(--ease-out);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-field textarea { resize: vertical; min-height: 100px; }
@media (max-width: 599px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ── Contact page ── */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}
.contact-info-grid .card p { margin-top: var(--space-xs); }
@media (max-width: 599px) {
  .contact-info-grid { grid-template-columns: 1fr; }
}

.map-embed {
  width: 100%;
  aspect-ratio: 16 / 6;
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--color-steel-line);
}
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 767px) {
  .map-embed { aspect-ratio: 4 / 5; }
}

/* ── FAQ accordion ── */
.faq-item {
  border-bottom: 1px solid var(--color-steel-line);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  background: none;
  border: none;
  text-align: left;
  padding: var(--space-lg) 0;
  font-size: var(--fs-body-md);
  font-weight: 600;
  color: var(--color-ink);
}
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  transition: transform var(--duration-base) var(--ease-out);
}
.faq-question .faq-icon::before, .faq-question .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--color-primary);
  top: 50%; left: 50%;
}
.faq-question .faq-icon::before { width: 14px; height: 2px; transform: translate(-50%, -50%); }
.faq-question .faq-icon::after { width: 2px; height: 14px; transform: translate(-50%, -50%); transition: opacity var(--duration-base); }
.faq-item.is-open .faq-icon::after { opacity: 0; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-base) var(--ease-out);
}
.faq-answer p { padding-bottom: var(--space-lg); color: var(--color-body); font-size: var(--fs-body-sm); max-width: 640px; }

/* ── Breadcrumb / page header ── */
.page-header {
  background: var(--color-canvas-soft);
  padding: var(--space-3xl) 0 var(--space-2xl);
  border-bottom: 1px solid var(--color-steel-line);
}
.breadcrumb {
  display: flex;
  gap: var(--space-xs);
  font-size: var(--fs-caption);
  color: var(--color-body-mid);
  margin-bottom: var(--space-lg);
}
.breadcrumb a:hover { color: var(--color-primary); }

/* ── Final CTA band ── */
.cta-band {
  background: var(--color-ink);
  color: var(--color-on-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3xl);
  text-align: center;
}
.cta-band h2 { color: var(--color-on-primary); }
.cta-band p { color: var(--color-mute); max-width: 560px; margin: var(--space-md) auto 0; }
.cta-band .hero-actions { justify-content: center; }

/* ── Icons ── */
.icon-inline {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: -0.15em;
  flex-shrink: 0;
}

/* Large shape-card icon (Products grid) */
.shape-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--color-canvas-soft);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  transition: background var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.shape-icon svg { width: 32px; height: 32px; }
.card:hover .shape-icon { transform: scale(1.08); }
.card:hover .shape-icon { background: var(--color-primary); color: var(--color-on-primary); }

/* Process-capability icon tile (Manufacturing page) */
.process-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-ink);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}
.process-icon svg { width: 26px; height: 26px; }

/* Footer contact rows with icons */
.contact-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
}
.contact-row .icon-inline { width: 16px; height: 16px; margin-top: 3px; color: var(--color-primary); }
.contact-row a, .contact-row span { color: var(--color-mute); }
.contact-row a:hover { color: var(--color-on-primary); }

/* Feature row with leading icon (About / Why TBI style lists) */
.feature-row {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}
.feature-row .feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-canvas-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-row .feature-icon svg { width: 20px; height: 20px; }
.feature-row h4 { font-size: var(--fs-body-md); font-weight: 600; color: var(--color-ink); margin-bottom: 4px; }
.feature-row p { font-size: var(--fs-body-sm); color: var(--color-body); }

/* Plant / gallery visual tile */
.plant-tile {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(155deg, var(--color-ink) 0%, #262820 65%, var(--color-primary-dark) 160%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.plant-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.045) 0 2px, transparent 2px 26px);
  z-index: 1;
}
.plant-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,19,15,0) 45%, rgba(18,19,15,0.65) 100%);
  z-index: 1;
}
.plant-tile .bar-art { position: relative; width: 54%; color: var(--color-on-primary); opacity: 0.88; }
.plant-tile img { transition: transform var(--duration-slow) var(--ease-out); }
.plant-tile:hover img { transform: scale(1.06); }
.plant-tile .visual-caption {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  color: var(--color-on-primary);
  font-size: var(--fs-caption);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  opacity: 0.8;
  z-index: 2;
}

/* Timeline (About > Our Journey) */
.timeline-card { position: relative; padding-top: 88px; }
.timeline-card .timeline-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full, 9999px);
  background: var(--color-primary);
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: var(--space-xl);
  left: var(--space-xl);
}
.timeline-card .timeline-icon svg { width: 20px; height: 20px; }
.timeline-card h3 { margin-bottom: var(--space-xs); }

/* ── Photo hero ── */
.hero-photo {
  width: 100%;
  height: 100%;
  min-height: 360px;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,19,15,0) 40%, rgba(18,19,15,0.55) 100%);
}
.hero-photo .visual-caption {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  color: var(--color-on-primary);
  font-size: var(--fs-caption);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  opacity: 0.9;
  z-index: 2;
  font-style: italic;
  font-weight: 600;
}

/* ── Feature strip (icon + label row under hero) ── */
.feature-strip {
  border-bottom: 1px solid var(--color-steel-line);
  padding: var(--space-2xl) 0;
}
.feature-strip .grid { gap: var(--space-2xl); }
.feature-item { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-sm); }
.feature-item .feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full, 9999px);
  background: var(--color-canvas-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-item .feature-icon svg { width: 24px; height: 24px; }
.feature-item h4 { font-size: var(--fs-body-md); font-weight: 700; color: var(--color-ink); }
.feature-item p { font-size: var(--fs-caption); color: var(--color-body-mid); }

/* ── Image product card ── */
.photo-card {
  background: var(--color-canvas);
  border: 1px solid var(--color-steel-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), box-shadow var(--duration-base) var(--ease-out);
}
.photo-card:hover { border-color: var(--color-primary); transform: translateY(-4px); box-shadow: 0 16px 32px rgba(18, 19, 15, 0.08); }
.photo-card .photo-card-img { aspect-ratio: 4 / 3; overflow: hidden; }
.photo-card .photo-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--duration-slow) var(--ease-out); }
.photo-card:hover .photo-card-img img { transform: scale(1.06); }

#quality-testing .photo-card .photo-card-img { aspect-ratio: 3 / 4; background: var(--color-canvas-soft); }
#quality-testing .photo-card .photo-card-img img { object-fit: contain; }
.photo-card .photo-card-body { padding: var(--space-lg); }
.photo-card h3 { font-size: var(--fs-display-sub-sm); margin-bottom: var(--space-xs); }
.photo-card p { color: var(--color-body); font-size: var(--fs-body-sm); }
.photo-card .card-link { margin-top: var(--space-md); }

/* ── Process step with photo ── */
.process-flow-photo {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg);
}
.process-step-photo { text-align: center; }
.process-step-photo .step-photo {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
}
.process-step-photo .step-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.process-step-photo .step-num {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full, 9999px);
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: var(--fs-caption);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.process-step-photo .step-label { font-size: var(--fs-body-sm); font-weight: 600; color: var(--color-ink); }
@media (max-width: 1023px) {
  .process-flow-photo { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 599px) {
  .process-flow-photo { grid-template-columns: repeat(2, 1fr); }
}

/* ── Quality band (dark, with photo backdrop) ── */
.quality-band {
  position: relative;
  background: var(--color-ink);
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: var(--space-4xl) var(--space-2xl);
}
.quality-band .quality-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.quality-band .quality-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.28; }
.quality-band .quality-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--color-ink) 15%, rgba(18,19,15,0.65) 100%);
}
.quality-band .quality-content { position: relative; z-index: 1; }
.quality-band h2, .quality-band .section-head span, .quality-band .body-lg { color: var(--color-on-primary); }
.quality-band .body-lg { color: var(--color-mute); }
.quality-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}
.quality-tile {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out), background var(--duration-base) var(--ease-out);
}
.quality-tile:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  background: rgba(255,255,255,0.1);
}
.quality-tile .card-icon { background: rgba(255,255,255,0.1); margin: 0 auto var(--space-md); }
.quality-tile:hover .card-icon { background: var(--color-primary); color: var(--color-on-primary); transform: scale(1.08); }
.quality-tile h4 { color: var(--color-on-primary); font-size: var(--fs-body-sm); font-weight: 600; }
@media (max-width: 1023px) {
  .quality-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 599px) {
  .quality-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Infrastructure split (photo + checklist) ── */
.infra-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-3xl);
  align-items: center;
}
.infra-photo { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4 / 3; }
.infra-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.infra-list { list-style: none; padding: 0; margin: var(--space-xl) 0 0; display: flex; flex-direction: column; gap: var(--space-md); }
.infra-list li { display: flex; align-items: center; gap: var(--space-md); font-size: var(--fs-body-md); color: var(--color-ink); font-weight: 600; }
.infra-list .icon-inline { color: var(--color-primary); width: 20px; height: 20px; flex-shrink: 0; }
@media (max-width: 1023px) {
  .infra-split { grid-template-columns: 1fr; }
}

/* ── Testimonial ── */
.testimonial-card {
  background: var(--color-canvas-soft);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
}
.testimonial-quote { font-size: var(--fs-body-lg); color: var(--color-ink); line-height: var(--lh-body-lg); }
.testimonial-quote::before { content: "\201C"; color: var(--color-primary); font-size: 1.4em; line-height: 0; vertical-align: -0.3em; margin-right: 2px; }
.testimonial-author { margin-top: var(--space-lg); font-size: var(--fs-body-sm); font-weight: 700; color: var(--color-ink); }
.testimonial-role { font-size: var(--fs-caption); color: var(--color-body-mid); }
.testimonial-dots { display: flex; gap: var(--space-xs); margin-top: var(--space-lg); }
.testimonial-dots span { width: 7px; height: 7px; border-radius: var(--radius-full, 9999px); background: var(--color-steel-line); display: inline-block; }
.testimonial-dots span.is-active { background: var(--color-primary); }

/* ── News card ── */
.news-card { display: block; }
.news-card .news-img { aspect-ratio: 16 / 10; border-radius: var(--radius-md); overflow: hidden; margin-bottom: var(--space-md); }
.news-card .news-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--duration-slow) var(--ease-out); }
.news-card:hover .news-img img { transform: scale(1.06); }
.news-card .news-date { font-size: var(--fs-caption); color: var(--color-body-mid); margin-bottom: 4px; }
.news-card h4 { font-size: var(--fs-body-md); font-weight: 600; color: var(--color-ink); line-height: 1.4; }

/* ── Mission / Vision / Values ── */
.mvv-card {
  background: var(--color-canvas-soft);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  height: 100%;
}
.mvv-card .mvv-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(200, 16, 46, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}
.mvv-card .mvv-icon svg { width: 26px; height: 26px; }
.mvv-card h3 { font-size: var(--fs-display-sub-sm); margin-bottom: var(--space-md); position: relative; padding-bottom: var(--space-md); }
.mvv-card h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 32px; height: 3px; background: var(--color-primary); }
.mvv-card p { font-size: var(--fs-body-sm); color: var(--color-body); }
.mvv-card ul { display: flex; flex-direction: column; gap: var(--space-sm); margin-top: var(--space-xs); }
.mvv-card ul li { font-size: var(--fs-body-sm); color: var(--color-body); }
.mvv-card ul li strong { color: var(--color-ink); }

/* ── About overview split with download ── */
.about-overview-photo { border-radius: var(--radius-md); overflow: hidden; position: relative; aspect-ratio: 4 / 3; }
.about-overview-photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--duration-slow) var(--ease-out); }
.about-overview-photo:hover img { transform: scale(1.06); }
.about-overview-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,19,15,0) 55%, rgba(18,19,15,0.55) 100%); }
.about-overview-photo .visual-caption {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 2;
  color: var(--color-on-primary);
  font-style: italic;
  font-weight: 600;
  text-align: right;
  line-height: 1.3;
}
.download-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}
.download-meta { display: flex; align-items: center; gap: var(--space-sm); font-size: var(--fs-caption); color: var(--color-body-mid); }
.download-meta .icon-inline { width: 18px; height: 18px; color: var(--color-body-mid); }

/* ── Industries strip (compact photo tiles) ── */
.industries-strip-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-lg);
}
.industry-tile { background: var(--color-canvas); border: 1px solid var(--color-steel-line); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out); }
.industry-tile:hover { border-color: var(--color-primary); transform: translateY(-3px); }
.industry-tile .industry-img { aspect-ratio: 4 / 3; overflow: hidden; }
.industry-tile .industry-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--duration-slow) var(--ease-out); }
.industry-tile:hover .industry-img img { transform: scale(1.06); }
.industry-tile .industry-body { padding: var(--space-md); }
.industry-tile .industry-icon { color: var(--color-primary); margin-bottom: var(--space-xs); }
.industry-tile .industry-icon svg { width: 20px; height: 20px; }
.industry-tile h4 { font-size: var(--fs-body-sm); font-weight: 700; color: var(--color-ink); margin-bottom: 2px; }
.industry-tile p { font-size: var(--fs-caption); color: var(--color-body-mid); }
@media (max-width: 1240px) {
  .industries-strip-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 599px) {
  .industries-strip-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Final CTA band with photo backdrop, full-bleed ── */
.cta-band-photo {
  position: relative;
  overflow: hidden;
  padding: var(--space-3xl) 0;
  background: var(--color-ink);
}
.cta-band-photo .cta-bg { position: absolute; inset: 0; z-index: 0; }
.cta-band-photo .cta-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.32; }
.cta-band-photo .cta-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--color-ink) 20%, rgba(18,19,15,0.5) 100%); }
.cta-band-photo .container { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: var(--space-xl); flex-wrap: wrap; }
.cta-band-photo h2 { color: var(--color-on-primary); font-size: var(--fs-display-md); }
.cta-band-photo h2 .accent { color: var(--color-primary); }
.cta-band-photo p { color: var(--color-mute); margin-top: var(--space-xs); }

/* ── Product sub-nav (tab bar under product hero) ── */
.product-tabs {
  position: sticky;
  top: 64px;
  z-index: 40;
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-steel-line);
  overflow-x: auto;
}
.product-tabs .container { display: flex; gap: var(--space-2xl); }
.product-tabs a {
  white-space: nowrap;
  padding: var(--space-lg) 0;
  font-size: var(--fs-body-sm);
  font-weight: 600;
  color: var(--color-body-mid);
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.product-tabs a:hover { color: var(--color-ink); }
.product-tabs a.is-active { color: var(--color-primary); border-bottom-color: var(--color-primary); }

/* ── Product gallery (main image + thumbnail strip) ── */
.product-gallery-main {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; display: block; transition: opacity var(--duration-base) var(--ease-out); }
.product-gallery-main .gallery-caption {
  position: absolute;
  left: var(--space-lg);
  bottom: var(--space-lg);
  color: var(--color-on-primary);
  font-size: var(--fs-caption);
  font-weight: 600;
  z-index: 2;
}
.product-gallery-main::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18,19,15,0) 60%, rgba(18,19,15,0.55) 100%);
}
.gallery-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-sm); margin-top: var(--space-sm); }
.gallery-thumbs button {
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: none;
  transition: border-color var(--duration-fast) var(--ease-out);
}
.gallery-thumbs button.is-active { border-color: var(--color-primary); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform var(--duration-base) var(--ease-out); }
.gallery-thumbs button:hover img { transform: scale(1.08); }

/* ── Spec highlight tiles (4-up quick facts) ── */
.spec-highlights { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.spec-highlight-tile {
  background: var(--color-canvas-soft);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  text-align: center;
}
.spec-highlight-tile svg { color: var(--color-primary); width: 22px; height: 22px; margin-bottom: var(--space-xs); }
.spec-highlight-tile span { display: block; font-size: var(--fs-caption); font-weight: 600; color: var(--color-ink); line-height: 1.35; }
@media (max-width: 599px) {
  .spec-highlights { grid-template-columns: repeat(2, 1fr); }
}

/* ── Supply condition cards (photo + label) ── */
.supply-card { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-steel-line); }
.supply-card .supply-img { aspect-ratio: 4 / 3; overflow: hidden; }
.supply-card .supply-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.supply-card .supply-body { padding: var(--space-lg); }
.supply-card h4 { font-size: var(--fs-body-md); font-weight: 700; color: var(--color-ink); margin-bottom: 4px; }
.supply-card p { font-size: var(--fs-caption); color: var(--color-body-mid); }

/* ── Downloads list ── */
.downloads-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.download-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-canvas-soft);
  border-radius: var(--radius-sm);
  font-size: var(--fs-body-sm);
  font-weight: 600;
  color: var(--color-ink);
}
.download-item .download-left { display: flex; align-items: center; gap: var(--space-sm); }
.download-item .download-left svg { color: var(--color-primary); width: 20px; height: 20px; }
.download-item .download-icon-btn { color: var(--color-body-mid); width: 18px; height: 18px; }

/* ── Utility ── */
.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

/* Skip link (keyboard / screen-reader) */
.skip-link { position: absolute; left: 8px; top: -48px; z-index: 1000; background: var(--color-ink); color: var(--color-on-primary); padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600; transition: top var(--duration-fast) var(--ease-out); }
.skip-link:focus { top: 8px; }
.card-soon { display: inline-block; margin-top: var(--space-sm); font-size: var(--fs-caption); font-weight: 600; color: var(--color-body-mid); }