/* ============================================================
   COMPUTAÇÃO ACELERADA — Estilos Específicos
   ============================================================ */

/* ── Hero ─────────────────────────────────────────────────── */
.ca-hero {
  position: relative;
  background: linear-gradient(150deg, #060B27 0%, #0C1648 45%, #1A3A9F 100%);
  padding: 140px 0 100px;
  min-height: 720px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.ca-hero-wave { position: absolute; bottom: 0; left: 0; right: 0; line-height: 0; }
.ca-hero-wave svg { width: 100%; height: 60px; }

/* Circuit board background pattern */
.ca-circuit-bg {
  position: absolute;
  inset: 0;
  opacity: .07;
  background-image:
    linear-gradient(rgba(22,64,214,.8) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,64,214,.8) 1px, transparent 1px),
    radial-gradient(circle at 20% 50%, rgba(255,209,0,.4) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(22,64,214,.5) 0%, transparent 40%);
  background-size: 60px 60px, 60px 60px, 100% 100%, 100% 100%;
}

.ca-circuit-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='rgba(22,64,214,0.3)' stroke-width='1'%3E%3Cpath d='M20 20 H60 V60 H100'/%3E%3Cpath d='M40 80 H80 V40'/%3E%3Ccircle cx='20' cy='20' r='3' fill='rgba(255,209,0,0.5)'/%3E%3Ccircle cx='100' cy='60' r='3' fill='rgba(255,209,0,0.5)'/%3E%3Ccircle cx='40' cy='80' r='3' fill='rgba(22,64,214,0.6)'/%3E%3C/g%3E%3C/svg%3E");
  background-size: 120px 120px;
  opacity: .4;
}

.ca-hero-inner {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ca-hero-text h1 {
  color: #fff;
  margin: 12px 0 20px;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
}

.ca-hero-text p {
  color: rgba(255,255,255,.65);
  font-size: 17px;
  max-width: 520px;
  line-height: 1.75;
}

.ca-hero-ctas {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

/* Hero visual card */
.ca-hero-visual {
  display: flex;
  justify-content: center;
}

.ca-hero-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 36px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
  position: relative;
}

.ca-perf-badge {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 28px;
}

.ca-perf-num {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--yellow);
  line-height: 1;
}

.ca-perf-label {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  font-weight: 500;
}

.ca-gpu-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
  padding: 20px;
  background: rgba(22,64,214,.15);
  border-radius: 12px;
  border: 1px solid rgba(22,64,214,.3);
}

.ca-stats-row {
  display: flex;
  gap: 20px;
}

.ca-stat {
  flex: 1;
  padding: 12px;
  background: rgba(255,255,255,.05);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ca-stat span {
  font-size: 11px;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
}

.ca-stat strong {
  color: #fff;
  font-size: 13px;
}

/* ── Products Section ─────────────────────────────────────── */
.ca-products-section {
  background: #fff;
}

.ca-filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.ca-filter-select {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  background: #fff;
  cursor: pointer;
  outline: none;
  min-width: 140px;
  transition: border-color .2s;
}

.ca-filter-select:focus { border-color: var(--blue); }

.ca-search-wrap {
  flex: 1;
  position: relative;
  min-width: 280px;
}

.ca-search-wrap svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
  pointer-events: none;
}

.ca-search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--dark);
  outline: none;
  transition: border-color .2s;
}

.ca-search-input:focus { border-color: var(--blue); }
.ca-search-input::placeholder { color: var(--muted); }

/* Products Grid */
.ca-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.ca-product-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}

.ca-product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.ca-product-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.ca-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}

.ca-product-card:hover .ca-product-img img {
  transform: scale(1.05);
}

.ca-product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.ca-product-badge.gpu {
  background: rgba(22,64,214,.9);
  color: #fff;
}

.ca-product-badge.cpu {
  background: rgba(255,209,0,.9);
  color: var(--dark);
}

.ca-product-body {
  padding: 20px;
}

.ca-product-brand {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--blue);
  margin-bottom: 6px;
}

.ca-product-body h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--dark);
}

.ca-product-desc {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 16px;
}

.ca-product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  background: #EEF2FF;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 180ms var(--ease-out), background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out), opacity 180ms var(--ease-out);
}

.ca-product-link:hover {
  background: var(--blue);
  color: #fff;
}

.ca-products-cta {
  text-align: center;
  padding-top: 8px;
}

/* ── Hardware Accordion ───────────────────────────────────── */
.ca-hw-section {
  background: #060B27;
  padding: 80px 0;
}

.ca-hw-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ca-accordion .accordion-item {
  border-bottom-color: rgba(255,255,255,.1);
}

.ca-accordion .accordion-item:first-child {
  border-top-color: rgba(255,255,255,.1);
}

.ca-accordion-item.active-item .accordion-btn {
  color: #fff;
}

.ca-accordion-btn {
  color: rgba(255,255,255,.7) !important;
  gap: 16px;
}

.ca-accordion-btn:hover {
  color: #fff !important;
}

.ca-accordion-btn.active {
  color: #fff !important;
}

.ca-acc-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ca-acc-badge {
  padding: 3px 10px;
  background: var(--blue);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.ca-accordion-content {
  color: rgba(255,255,255,.6) !important;
}

.ca-acc-list {
  list-style: none;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ca-acc-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,.55);
}

.ca-acc-list li::before {
  content: '→';
  color: var(--yellow);
  font-size: 12px;
  flex-shrink: 0;
}

.ca-icon {
  background: rgba(255,255,255,.08) !important;
  color: rgba(255,255,255,.6) !important;
}

.accordion-btn.active .ca-icon {
  background: var(--yellow) !important;
  color: var(--dark) !important;
}

.ca-hw-right {
  position: relative;
}

.ca-hw-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  opacity: 1;
  transition: opacity .2s ease;
}

.ca-hw-overlay-card {
  position: absolute;
  bottom: 24px;
  left: -24px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
}

.ca-hw-overlay-card > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ca-hw-overlay-card span {
  font-size: 12px;
  color: rgba(255,255,255,.5);
}

/* ── About Section ────────────────────────────────────────── */
.ca-about-section {
  background: #fff;
}

.ca-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ca-about-text {
  background: linear-gradient(135deg, #060B27, #162880);
  padding: 40px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ca-about-text h2 {
  color: #fff;
  font-size: clamp(1.2rem, 1.6vw, 1.45rem);
  margin: 10px 0 16px;
}

.ca-about-text p {
  color: rgba(255,255,255,.65);
  font-size: 14.5px;
  line-height: 1.6;
}

.ca-about-text p + p {
  margin-top: 12px !important;
}

.ca-about-img-wrap {
  position: relative;
  overflow: hidden;
}

.ca-about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}

/* ── Brands Section ───────────────────────────────────────── */
.ca-brands-section {
  background: #fff;
}

.ca-brands-grid {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 24px;
  flex-wrap: wrap;
}

.ca-brand-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 32px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  transition: color 180ms var(--ease-out), background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out), opacity 180ms var(--ease-out);
  min-width: 160px;
  text-align: center;
}

.ca-brand-item:hover {
  border-color: transparent;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.ca-brand-item > span {
  font-size: 12px;
  color: var(--muted);
}

.ca-brand-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.04em;
  padding: 8px 4px;
}

.ca-brand-logo.nvidia { color: #76B900; }
.ca-brand-logo.cisco  { color: #0078D4; }
.ca-brand-logo.supermicro { color: #E31837; }
.ca-brand-logo.nutanix { color: #024DA1; }
.ca-brand-logo.pny    { color: #004C97; }

/* ── Case Card ────────────────────────────────────────────── */
.case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px;
  background: var(--light);
  border-radius: var(--radius-lg);
}

.case-text h3 { margin-bottom: 16px; }

.case-visual img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .ca-hero-inner { grid-template-columns: 1fr; }
  .ca-hero-visual { display: none; }
  .ca-products-grid { grid-template-columns: repeat(2, 1fr); }
  .ca-hw-grid { grid-template-columns: 1fr; }
  .ca-hw-right { display: none; }
  .ca-about-grid { grid-template-columns: 1fr; }
  .ca-about-text { padding: 60px 40px; }
  .ca-about-img-wrap img { min-height: 300px; }
}

@media (max-width: 768px) {
  .ca-hero { padding: 110px 0 64px; }
  .ca-filter-bar { flex-direction: column; align-items: stretch; }
  .ca-search-wrap { min-width: unset; }
  .ca-products-grid { grid-template-columns: 1fr; }
  .ca-brands-grid { gap: 16px; }
  .ca-brand-item { min-width: 120px; padding: 20px; }
  .case-card { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .ca-about-text { padding: 48px 24px; }
}