/* ==========================================================================
   Á CHÂU ELECTRIC — BRAND DESIGN SYSTEM
   05 · HOMEPAGE SECTIONS — HERO (§9) · SERVICES (§10) · SOLUTIONS (§11)
        EQUIPMENT (§12) · PROJECTS (§13) · KNOWLEDGE (§14)
   Rendered by template-parts + inc/achau-home.php. No legacy imagery is used.
   ========================================================================== */

/* 9. HERO
   ========================================================================== */
.ae-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 5vw, var(--ae-space-9)) 0 clamp(32px, 4vw, var(--ae-space-8));
  background-color: var(--ae-dark);
  border-bottom: 1px solid var(--ae-line);
}
.ae-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(900px 420px at 12% 8%, rgba(4, 76, 252, 0.18), transparent 62%),
    radial-gradient(760px 380px at 92% 96%, rgba(252, 124, 4, 0.13), transparent 60%),
    linear-gradient(rgba(248, 248, 248, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 248, 248, 0.035) 1px, transparent 1px);
  background-size: auto, auto, 56px 56px, 56px 56px;
  pointer-events: none;
}
.ae-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(28px, 4vw, var(--ae-space-8));
  align-items: center;
}
.ae-hero__logo {
  display: inline-flex;
  margin-bottom: var(--ae-space-5);
}
.ae-hero__logo img {
  display: block;
  width: clamp(150px, 15vw, 210px);
  height: auto;
}
.ae-hero__h1 {
  margin-bottom: var(--ae-space-5);
}
.ae-hero__h1 .ae-hero__h1-line {
  display: block;
  color: var(--ae-white);
}
.ae-hero__ctas {
  margin-bottom: var(--ae-space-5);
}
.ae-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ae-space-3) var(--ae-space-5);
  font-size: var(--ae-fs-caption);
  color: var(--ae-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.ae-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ae-hero__meta span::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--ae-orange);
  border-radius: 1px;
}
.ae-hero__visual {
  position: relative;
  padding: var(--ae-space-5);
  background: linear-gradient(160deg, rgba(26, 26, 26, 0.95), rgba(15, 15, 15, 0.95));
  border: 1px solid var(--ae-line);
  border-radius: var(--ae-radius-lg);
  box-shadow: var(--ae-shadow-3);
}
.ae-hero__visual::after {
  content: '';
  position: absolute;
  inset: auto 0 0 auto;
  width: 120px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ae-gold));
}
.ae-hero__visual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ae-space-3);
  padding-bottom: var(--ae-space-4);
  margin-bottom: var(--ae-space-4);
  border-bottom: 1px solid var(--ae-line);
}
.ae-hero__visual-title {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--ae-ls-wide);
  text-transform: uppercase;
  color: var(--ae-gold);
}
.ae-hero__visual svg {
  display: block;
  width: 100%;
  height: auto;
}
.ae-hero__strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--ae-space-4);
  margin-top: clamp(32px, 4vw, var(--ae-space-8));
  padding-top: var(--ae-space-5);
  border-top: 1px solid var(--ae-line);
}
.ae-hero__strip-item {
  display: flex;
  align-items: flex-start;
  gap: var(--ae-space-3);
}
.ae-hero__strip-item svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--ae-blue);
}
.ae-hero__strip-item strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ae-white);
}
.ae-hero__strip-item span {
  display: block;
  font-size: 0.75rem;
  color: var(--ae-text-dim);
}

/* 10. SERVICES · 11. SOLUTIONS · 12. EQUIPMENT · 14. KNOWLEDGE grids
   ========================================================================== */
.ae-services,
.ae-solutions,
.ae-capabilities,
.ae-equipment,
.ae-knowledge,
.ae-why {
  display: grid;
  gap: var(--ae-space-5);
}
.ae-equipment {
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: var(--ae-space-3);
}

/* 13. PROJECTS — honest empty state until real project data exists */
.ae-placeholder {
  display: grid;
  gap: var(--ae-space-4);
  padding: clamp(28px, 3.6vw, var(--ae-space-8));
  text-align: center;
  justify-items: center;
  background: var(--ae-dark-1);
  border: 1px dashed var(--ae-line-strong);
  border-radius: var(--ae-radius-lg);
}
.ae-placeholder__title {
  margin: 0;
  font-size: var(--ae-fs-h3);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ae-white);
}
.ae-placeholder p {
  max-width: 62ch;
  margin: 0;
  color: var(--ae-text-muted);
}
.ae-placeholder__diagram {
  width: min(100%, 420px);
  opacity: 0.75;
}
/* 9.1 Hero diagram labels (inline SVG, brand colours only) */
.ae-diagram-line {
  stroke: rgba(248, 248, 248, 0.28);
  stroke-width: 1.4;
  fill: none;
}
.ae-diagram-line--blue {
  stroke: var(--ae-blue);
  stroke-width: 2;
}
.ae-diagram-line--orange {
  stroke: var(--ae-orange);
  stroke-width: 2;
}
.ae-diagram-node {
  fill: var(--ae-dark-3);
  stroke: rgba(248, 248, 248, 0.35);
  stroke-width: 1.2;
}
.ae-diagram-text {
  fill: var(--ae-gray-2);
  font-family: var(--ae-font);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ae-diagram-text--gold {
  fill: var(--ae-gold);
}

/* 14.1 Knowledge card extras — category badge sits above the title */
.ae-knowledge .ae-card {
  gap: var(--ae-space-2);
}
.ae-knowledge .ae-badge {
  align-self: flex-start;
}

/* 15.1 Final CTA section — content column + contact column */
.ae-final {
  padding: clamp(48px, 6vw, var(--ae-space-9)) 0;
  background-color: var(--ae-dark-1);
  border-top: 1px solid var(--ae-line);
}
.ae-final__requirement {
  margin: var(--ae-space-5) 0 0;
  padding-left: var(--ae-space-5);
}
.ae-final__requirement-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: var(--ae-ls-wide);
  text-transform: uppercase;
  color: var(--ae-gold);
  margin: 0 0 var(--ae-space-3);
}