/* ============================================================
   AGR Robotics — components.css
   Shared components used across multiple pages
   ============================================================ */

/* --- Section Labels ---------------------------------------- */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--accent);
  flex-shrink: 0;
}

.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.0;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 20px;
  text-wrap: balance;
}
.section-title em {
  font-style: normal;
  color: var(--accent);
}

.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 600px;
}

.section-head {
  margin-bottom: 56px;
}

/* --- Buttons ----------------------------------------------- */
.btn-primary {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg-primary);
  background: var(--accent);
  padding: 13px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 24px rgba(200,168,75,0.18);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 32px rgba(200,168,75,0.42);
}

.btn-outline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.btn-outline:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.05);
}

.btn-text {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap 0.2s;
}
.btn-text:hover { gap: 13px; }

/* --- Hero Shared ------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero-headline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: clamp(52px, 7vw, 90px);
  line-height: 0.93;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 30px;
  text-wrap: balance;
}
.hero-headline em {
  font-style: normal;
  color: var(--accent);
  display: block;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 44px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

/* Sub-page hero (split layout) */
.page-hero {
  padding: 110px 0 72px;
  position: relative;
  overflow: hidden;
}

.page-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.page-hero h1 {
  font-size: clamp(46px, 5.5vw, 72px);
  margin-bottom: 28px;
}
.page-hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.page-hero-image {
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.page-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.img-placeholder-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  padding: 20px;
  line-height: 1.6;
}

/* --- Image Block ------------------------------------------- */
.hero-image {
  aspect-ratio: 16/10;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Section Wrapper --------------------------------------- */
.section {
  padding: 104px 0;
  position: relative;
}
.section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* --- Cards ------------------------------------------------- */
.card-grid {
  display: grid;
  gap: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  padding: 40px 32px;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  transition: background 0.25s;
  position: relative;
  overflow: hidden;
}
.card:last-child { border-right: none; }
.card:hover { background: var(--bg-tertiary); }
.card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s ease;
}
.card:hover::after { transform: scaleX(1); }

.card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  opacity: 0.7;
  margin-bottom: 18px;
}
.card-icon {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border-radius: 8px;
}
.card-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}
.card-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 19px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.1;
}
.card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Nav shortcuts (overview page cards that link to sub-pages) */
.snc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 48px;
}
.snc-item {
  display: block;
  padding: 22px 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, background 0.2s;
}
.snc-item:hover {
  border-color: var(--border);
  background: var(--bg-tertiary);
}
.snc-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  margin-bottom: 10px;
}
.snc-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.snc-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* --- Sibling navigation ------------------------------------ */
.sibling-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 64px;
}
.sib-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, background 0.2s;
  gap: 16px;
}
.sib-card:hover {
  border-color: var(--border);
  background: var(--bg-tertiary);
}
.sib-dir {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.sib-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}
.sib-arrow {
  font-size: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

/* --- CTA Section ------------------------------------------- */
.cta-section {
  padding: 96px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}
.cta-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 48px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: stretch;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cta-left {
  padding: 48px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}
.cta-right {
  padding: 48px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cta-left h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  margin-bottom: 16px;
}
.cta-left p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 32px;
}
.cta-right p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
}

/* --- Reveal animations ------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --- Metric / stat display --------------------------------- */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: 48px;
}
.metric-cell {
  padding: 28px 24px;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}
.metric-cell:last-child { border-right: none; }
.metric-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 26px;
  font-weight: 500;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}
.metric-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* --- Checklist / feature list ------------------------------ */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}
.check-list li::before {
  content: '→';
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.fail-list li::before {
  content: '×';
  color: var(--text-muted);
}

/* --- Content article card ---------------------------------- */
.article-card {
  display: block;
  padding: 32px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.article-card:hover {
  border-color: var(--border);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
}
.article-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.article-category {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: 14px;
}
.article-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 12px;
}
.article-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.article-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  transition: gap 0.2s;
}
.article-link:hover { gap: 13px; }

/* --- Responsive -------------------------------------------- */
@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .metrics-row .metric-cell:nth-child(2) { border-right: none; }
  .snc-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .page-hero-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .card-grid-3 { grid-template-columns: 1fr; }
  .card-grid-4 { grid-template-columns: 1fr; }
  .card { border-right: none; border-bottom: 1px solid var(--border-subtle); }
  .snc-grid { grid-template-columns: 1fr; }
  .sibling-nav { grid-template-columns: 1fr; }
  .metrics-row { grid-template-columns: 1fr 1fr; }
  .hero { padding: 110px 20px 60px; }
  .page-hero-inner { padding: 0 20px; }
  .cta-inner { padding: 0 20px; }
  .cta-left, .cta-right { padding: 32px 24px; }
}