/* ============================================
   AcuGIS Drive product page
   Extends home.css tokens, buttons, footer, type
   ============================================ */

:root {
  --drive: #0d9488;
  --drive-deep: #0b7a70;
  --drive-soft: #eef8f6;
  --drive-line: #c5e4de;
}

.ad-hero .btn:focus-visible,
.ad-text-link:focus-visible,
.ad-related a:focus-visible {
  outline: 3px solid rgba(13, 148, 136, 0.45);
  outline-offset: 2px;
}

.ad-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 72px;
  background:
    radial-gradient(circle at 78% 28%, rgba(13, 148, 136, 0.14), transparent 42%),
    linear-gradient(110deg, #dcecf9 0%, #e7f2f8 48%, #e3f3f1 100%);
}

.ad-hero .eyebrow {
  color: var(--drive-deep);
}

.ad-hero h1 {
  font-size: clamp(36px, 5vw, 52px);
  margin-bottom: 12px;
  max-width: 15em;
}

.ad-hero .hero-kicker {
  color: var(--drive-deep);
}

.ad-hero .hero-actions {
  align-items: center;
}

.ad-text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  font-size: 15px;
  font-weight: 700;
  color: var(--drive-deep);
}

.ad-text-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.15s ease;
}

.ad-text-link:hover svg,
.ad-text-link:focus-visible svg {
  transform: translateX(3px);
}

.ad-hero .btn-primary {
  background: var(--drive);
}

.ad-hero .btn-primary:hover,
.ad-hero .btn-primary:focus {
  background: var(--drive-deep);
}

.ad-hero .btn-outline {
  color: var(--drive-deep);
  border-color: var(--drive);
}

.ad-hero .btn-outline:hover,
.ad-hero .btn-outline:focus {
  background: var(--drive-soft);
  color: var(--drive-deep);
}

.ad-arch {
  margin: 0;
  padding: 22px 18px 20px;
  background:
    radial-gradient(circle at 50% 42%, rgba(13, 148, 136, 0.08), transparent 58%),
    linear-gradient(180deg, #ffffff 0%, #f4faf8 100%);
  border: 1px solid var(--drive-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.ad-arch-label {
  margin: 0 0 14px;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--drive-deep);
}

.ad-arch-stack {
  display: grid;
  justify-items: center;
  gap: 0;
}

.ad-node {
  width: min(100%, 280px);
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.ad-node--hub {
  width: min(100%, 300px);
  border-color: var(--drive);
  background: linear-gradient(180deg, #f4fbf9 0%, #ffffff 100%);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.12);
}

.ad-node-kicker {
  margin: 0 0 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--drive);
}

.ad-node-name {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy-deep);
}

.ad-node-meta {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.35;
  color: var(--muted);
}

.ad-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  color: var(--drive);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.ad-arrow span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.ad-section {
  padding: 80px 0;
}

.ad-section--soft {
  background: var(--drive-soft);
}

.ad-section--alt {
  background: var(--soft);
}

.ad-section-header {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.ad-section-header .eyebrow {
  color: var(--drive-deep);
}

.ad-section-header h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  margin-bottom: 12px;
}

.ad-section-header p {
  color: var(--muted);
  font-size: 17px;
}

.ad-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ad-card {
  padding: 24px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.ad-card h3 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--drive-deep);
  margin-bottom: 10px;
}

.ad-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.55;
}

.ad-source-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.ad-source {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding: 10px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-deep);
}

.ad-versions {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) auto minmax(0, 1.1fr);
  gap: 16px;
  align-items: center;
  max-width: 860px;
  margin: 0 auto;
}

.ad-version-step {
  padding: 22px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
}

.ad-version-step h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.ad-version-step p {
  font-size: 14px;
  color: var(--muted);
}

.ad-version-list {
  display: grid;
  gap: 10px;
}

.ad-version-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.ad-version-item strong {
  font-size: 15px;
  color: var(--navy-deep);
}

.ad-version-item span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.ad-version-item--current {
  border-color: var(--drive);
  background: var(--drive-soft);
}

.ad-version-item--current span {
  color: var(--drive-deep);
}

.ad-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: center;
}

.ad-copy-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}

.ad-copy-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.45;
}

.ad-copy-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--drive);
  flex-shrink: 0;
}

.ad-os-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ad-os-card {
  padding: 24px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.ad-os-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.ad-os-card p {
  font-size: 15px;
  color: var(--muted);
}

.ad-related {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  gap: 24px 40px;
  align-items: center;
  padding: 28px 32px;
  background: var(--cloud-soft);
  border: 1px solid #d7e4f2;
  border-radius: var(--radius-lg);
}

.ad-related .eyebrow {
  color: var(--blue);
}

.ad-related h2 {
  font-size: clamp(24px, 3vw, 30px);
  margin-bottom: 10px;
}

.ad-related p {
  font-size: 16px;
  color: var(--muted);
  max-width: 42em;
}

.ad-cta.cta {
  background: linear-gradient(135deg, #0b7a70 0%, #0f4c75 100%);
}

.ad-cta .btn-outline-light:hover,
.ad-cta .btn-outline-light:focus {
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 1100px) {
  .ad-card-grid,
  .ad-os-grid {
    grid-template-columns: 1fr 1fr;
  }

  .ad-split,
  .ad-related,
  .ad-versions {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .ad-related .product-cta {
    justify-self: start;
  }
}

@media (max-width: 720px) {
  .ad-hero,
  .ad-section {
    padding: 48px 0;
  }

  .ad-hero h1 {
    font-size: 32px;
  }

  .ad-card-grid,
  .ad-os-grid {
    grid-template-columns: 1fr;
  }

  .ad-hero .hero-actions .btn,
  .ad-cta .btn {
    width: 100%;
  }

  .ad-related {
    padding: 22px 18px;
  }

  .ad-node,
  .ad-node--hub {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ad-text-link svg {
    transition: none;
  }

  .ad-text-link:hover svg,
  .ad-text-link:focus-visible svg {
    transform: none;
  }
}