/* ================================================================
   ABOUT US — assets/css/about-us.css
   One-off layout. Builds on site-wide variables and global CSS.
   ================================================================ */

/* ── SHARED TYPOGRAPHY ──────────────────────────────────────── */
.au-section-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-red-dark);
  margin-bottom: 0.6rem;
}
.au-section-tag--light { color: rgba(204,0,0,0.85); }

.au-section-h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-black);
  margin-bottom: 1.25rem;
}
.au-section-h2--light { color: #fff; }

/* ── BREADCRUMB — transparent to inherit hero gradient ─────── */
.breadcrumb {
  background: transparent;
  padding: var(--space-xs) 0 var(--space-lg) 0;
}
/* Hero already supplies horizontal padding — cancel the .container indent */
.au-hero .breadcrumb .container {
  padding-left: 0;
  padding-right: 0;
}

/* ── HERO ───────────────────────────────────────────────────── */
.au-hero {
  background:
    linear-gradient(160deg, rgba(212,212,212,0.62) 0%, rgba(235,235,235,0.56) 75%),
    url('../../background.jpg') left center / cover;
  padding: 0 var(--container-padding) 3rem;
  border-bottom: 1px solid #d4d4d4;
}
.au-hero__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.au-hero__h1 {
  font-size: clamp(1.8rem, 2.9vw, 2.7rem);
  font-weight: 800;
  color: var(--color-black);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
  max-width: 820px;
}
.au-hero__sub {
  font-size: 1.05rem;
  color: var(--color-grey-dark);
  line-height: 1.78;
  max-width: 650px;
  margin-bottom: 2rem;
}
.au-hero__stats {
  display: flex;
  gap: 4rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(0,0,0,0.12);
}
.au-stat__n {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--color-black);
  line-height: 1;
}
.au-stat__l {
  font-size: 0.78rem;
  color: var(--color-grey);
  margin-top: 0.35rem;
  line-height: 1.4;
}

/* ── PILLARS ────────────────────────────────────────────────── */
.au-pillars { padding: 6rem var(--container-padding); }
.au-pillars__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.au-pillars__inner .au-section-h2 { margin-bottom: 3.5rem; }
.au-pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.au-pillar {
  border-top: 3px solid var(--color-red-dark);
  padding-top: 1.75rem;
}
.au-pillar__num {
  font-size: 4.5rem;
  font-weight: 900;
  color: #f0f0f0;
  line-height: 1;
  margin-bottom: -1.25rem;
  letter-spacing: -0.04em;
}
.au-pillar__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 1rem;
}
.au-pillar__body {
  font-size: 0.9rem;
  color: var(--color-gray-text, #555);
  line-height: 1.78;
}
.au-pillar__body p { margin-bottom: 0.85rem; }
.au-pillar__body p:last-child { margin-bottom: 0; }

/* ── PRODUCT GENERATIONS ────────────────────────────────────── */
.au-generations {
  background: var(--color-black);
  padding: 6rem var(--container-padding);
}
.au-generations__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.au-generations__lead {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 3rem;
}
.au-generations__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}
.au-gen-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}
.au-gen-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-red-dark);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.au-gen-card:hover { background: rgba(255,255,255,0.07); }
.au-gen-card:hover::before { transform: scaleX(1); }
.au-gen-card__label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 0.65rem;
}
.au-gen-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}
.au-gen-card__desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.52);
  line-height: 1.72;
}
.au-gen-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.25rem;
}
.au-chip {
  background: rgba(139,0,0,0.25);
  border: 1px solid rgba(139,0,0,0.4);
  color: rgba(255,255,255,0.72);
  padding: 0.25rem 0.65rem;
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.au-chip:hover {
  background: var(--color-red-dark);
  border-color: var(--color-red-dark);
  color: #fff;
}

/* ── TESTING FACILITY ───────────────────────────────────────── */
.au-facility {
  background: var(--color-black);
  padding: 6rem var(--container-padding);
  border-top: none;
}
.au-facility__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.au-facility__images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.au-facility__img {
  width: 100%;
  border-radius: 3px;
  object-fit: cover;
  display: block;
}
.au-facility__img--tall {
  grid-row: span 2;
  height: 100%;
  min-height: 200px;
}
.au-facility__h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 1.25rem;
}
.au-facility__p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.au-facility__callout {
  background: rgba(255,255,255,0.05);
  border-left: 4px solid var(--color-red-dark);
  padding: 1.25rem 1.5rem;
  border-radius: 0 4px 4px 0;
  margin-top: 1.5rem;
  font-size: 0.88rem;
  font-style: italic;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
}

/* ── WHO WE SERVE ───────────────────────────────────────────── */
.au-serve {
  background: var(--color-gray-light, #f4f4f4);
  padding: 6rem var(--container-padding);
}
.au-serve__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.au-serve__inner .au-section-h2 { margin-bottom: 3rem; }
.au-serve__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.au-serve-card {
  background: #fff;
  border-radius: 4px;
  padding: 2rem;
  border: 1px solid var(--color-gray-line, #ddd);
}
.au-serve-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-red-dark);
}
.au-serve-card__body {
  font-size: 0.88rem;
  color: var(--color-gray-text, #555);
  line-height: 1.7;
}

/* ── GUARANTEE & DESIGN SERVICE ─────────────────────────────── */
.au-guarantee { padding: 6rem var(--container-padding); }
.au-guarantee__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 5rem;
  align-items: start;
}
.au-guarantee__h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-black);
  margin-bottom: 1.25rem;
}
.au-guarantee__lead {
  font-size: 1rem;
  color: var(--color-gray-text, #555);
  line-height: 1.8;
  margin-bottom: 1.75rem;
}
.au-guarantee__quote {
  background: #fff5f5;
  border-left: 4px solid var(--color-red-dark);
  padding: 1.25rem 1.75rem;
  border-radius: 0 4px 4px 0;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-black);
  line-height: 1.65;
}
.au-guarantee__note {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.65;
}
.au-guarantee__panel {
  background: var(--color-black);
  border-radius: 4px;
  padding: 2.25rem;
  position: sticky;
  top: 80px;
}
.au-panel__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.au-panel__sub {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.48);
  margin-bottom: 1.75rem;
  line-height: 1.5;
}
.au-panel__list {
  list-style: none;
  padding: 0;
  margin-bottom: 1.75rem;
}
.au-panel__list li {
  display: flex;
  gap: 0.75rem;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.68);
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  line-height: 1.4;
}
.au-panel__list li:last-child { border-bottom: none; }
.au-panel__check { color: var(--color-red); font-weight: 700; flex-shrink: 0; }
.au-panel__cta {
  display: block;
  background: var(--color-red-dark);
  color: #fff;
  text-align: center;
  padding: 0.85rem;
  border-radius: 3px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  transition: background 0.2s;
}
.au-panel__cta:hover { background: var(--color-red); }

/* ── CONTACT BAR ────────────────────────────────────────────── */
.au-contact-bar {
  background: var(--color-red-dark);
  padding: 3.5rem var(--container-padding);
}
.au-contact-bar__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.au-contact-item h4 {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.48);
  margin-bottom: 0.5rem;
}
.au-contact-item__val {
  font-size: 1rem;
  color: #fff;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.au-contact-item__val a { color: #fff; text-decoration: none; }
.au-contact-item__val a:hover { text-decoration: underline; }
.au-contact-item p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.62);
  line-height: 1.55;
  margin: 0;
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .au-hero { padding: 0 var(--container-padding) 3rem; }
  .au-hero__stats { flex-wrap: wrap; gap: 2rem; }
  .au-pillars { padding: 5rem var(--container-padding); }
  .au-pillars__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .au-generations { padding: 5rem var(--container-padding); }
  .au-generations__grid { grid-template-columns: 1fr; }
  .au-facility { padding: 5rem var(--container-padding); }
  .au-facility__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .au-serve { padding: 5rem var(--container-padding); }
  .au-serve__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .au-guarantee { padding: 5rem var(--container-padding); }
  .au-guarantee__inner { grid-template-columns: 1fr; gap: 3rem; }
  .au-guarantee__panel { position: static; }
  .au-contact-bar { padding: 3rem var(--container-padding); }
  .au-contact-bar__inner { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .au-hero__h1 { font-size: 1.9rem; }
  .au-hero__stats { gap: 1.5rem; }
}