:root {
  --ai-dark: #18212d;
  --ai-blue: #ee4d14;
  --ai-accent: #ee4d14;
  --ai-accent-hover: #d94410;
  --ai-gray: #64748b;
  --ai-light: #e2e8f0;
  --ai-bg: #f8fafc;
  --ai-white: #ffffff;
  --ai-shadow: 0 10px 30px rgba(24, 33, 45, 0.12);
  --ai-section-space: 40px;
  --ai-section-space-mobile: 28px;
}

body.home-ai {
  background: var(--ai-white);
  color: var(--ai-dark);
  font-family: "Ubuntu", sans-serif;
}

body.home-ai main.ai-home > section {
  padding: var(--ai-section-space) 0;
}

body.home-ai .ai-section-header {
  max-width: 760px;
  margin-bottom: 32px;
}

body.home-ai .ai-section-header h2 {
  font-size: 34px;
  margin: 0 0 12px;
  letter-spacing: 0;
}

body.home-ai .ai-section-header p {
  color: var(--ai-gray);
  margin: 0;
}

.ai-grid {
  display: grid;
  gap: 24px;
}

.ai-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.ai-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.ai-grid-5 {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.ai-card {
  background: var(--ai-white);
  border: 1px solid var(--ai-light);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--ai-shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: inherit;
}

.ai-card h3 {
  margin: 0;
  font-size: 20px;
}

.ai-card p {
  margin: 0;
  color: var(--ai-gray);
}

.ai-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(238, 77, 20, 0.12);
  color: var(--ai-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.ai-card-link {
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ai-card-link:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(24, 33, 45, 0.14);
}

.ai-list {
  margin: 0;
  padding-left: 18px;
  color: var(--ai-gray);
}

.ai-list li {
  margin-bottom: 6px;
}

.ai-link {
  color: var(--ai-blue);
  font-weight: 600;
  text-decoration: none;
}

.ai-link:hover {
  text-decoration: underline;
}

.ai-hero {
  position: relative;
  color: var(--ai-white);
  padding: 120px 0 90px;
  background: linear-gradient(135deg, #18212d 0%, #243242 45%, #1c2836 100%);
  overflow: hidden;
}

.ai-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(238, 77, 20, 0.24), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(241, 102, 33, 0.14), transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(24, 33, 45, 0.2), transparent 45%);
  opacity: 0.9;
  pointer-events: none;
}

.ai-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
}

.ai-hero h1 {
  font-size: 44px;
  margin: 0 0 18px;
  letter-spacing: 0.5px;
}

.ai-hero p {
  color: rgba(226, 232, 240, 0.9);
  margin-bottom: 20px;
}

.ai-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
}

.ai-hero-visual {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 18px;
  border: 1px solid rgba(226, 232, 240, 0.2);
}

.ai-hero-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  border: 1px dashed rgba(226, 232, 240, 0.3);
}

.ai-hero-trust {
  font-size: 14px;
  margin: 0;
  color: rgba(226, 232, 240, 0.8);
}

.ai-hero-metric {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-left: 3px solid #ee4d14;
  border-radius: 0 8px 8px 0;
  background: rgba(24, 33, 45, 0.35);
  font-size: 14px;
}

.ai-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.ai-btn-primary {
  background: var(--ai-accent);
  color: var(--ai-white);
  box-shadow: 0 12px 20px rgba(238, 77, 20, 0.32);
}

.ai-btn-primary:hover {
  background: var(--ai-accent-hover);
  color: var(--ai-white);
}

.ai-btn-secondary {
  background: transparent;
  color: var(--ai-accent);
  border: 1px solid var(--ai-accent);
}

.ai-hero .ai-btn-secondary,
.ai-cta .ai-btn-secondary {
  color: var(--ai-white);
  border-color: rgba(226, 232, 240, 0.7);
}

.ai-trust {
  background: var(--ai-bg);
}

.ai-trust-card {
  background: var(--ai-white);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--ai-light);
  text-align: left;
}

.ai-trust-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--ai-dark);
}

.ai-trust-label {
  color: var(--ai-gray);
  margin-top: 6px;
}

.ai-capabilities-note {
  margin-top: 24px;
  color: var(--ai-gray);
}

.ai-card-media {
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: 16px;
  overflow: hidden;
  border: 1px dashed var(--ai-light);
  background: var(--ai-bg);
}

.ai-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ai-engineering {
  background: var(--ai-bg);
}

.ai-why {
  background: var(--ai-white);
}

.ai-delivery {
  background: var(--ai-bg);
}

.ai-step {
  background: var(--ai-white);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--ai-light);
}

.ai-step-number {
  font-size: 14px;
  font-weight: 700;
  color: var(--ai-blue);
  margin-bottom: 8px;
}

.ai-featured {
  background: var(--ai-white);
}

.ai-cta {
  background: linear-gradient(135deg, #18212d 0%, #2b3849 100%);
  color: var(--ai-white);
}

.ai-cta-content {
  max-width: 760px;
}

.ai-cta-content h2 {
  margin-bottom: 16px;
}

.ai-cta-content p {
  color: rgba(226, 232, 240, 0.9);
}

.ai-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 24px 0 16px;
}

.ai-cta-note {
  font-size: 14px;
  margin: 0;
}

.ai-footer {
  background: var(--ai-dark);
  color: rgba(226, 232, 240, 0.85);
  padding: 60px 0 30px;
}

.ai-footer .footer-box h4 {
  color: var(--ai-white);
  text-transform: none;
  letter-spacing: 0.5px;
}

.ai-footer a {
  color: rgba(226, 232, 240, 0.8);
}

.ai-footer a:hover {
  color: var(--ai-white);
}

.ai-footer-text {
  margin-top: 16px;
  color: rgba(226, 232, 240, 0.8);
}

.ai-footer-down {
  margin-top: 30px;
  border-top: 1px solid rgba(226, 232, 240, 0.1);
  padding-top: 20px;
}

.ai-footer-links {
  text-align: right;
}

.ai-footer-sep {
  margin: 0 10px;
  color: rgba(226, 232, 240, 0.4);
}

.navbar-nav > li.nav-cta > a {
  background: var(--ai-accent);
  color: var(--ai-white) !important;
  padding: 12px 18px;
  margin: 18px 0 18px 12px;
  border-radius: 12px;
  font-weight: 600;
}

.navbar-nav > li.nav-cta > a:hover {
  background: var(--ai-accent-hover);
  color: var(--ai-white) !important;
}

@media (max-width: 992px) {
  body.home-ai main.ai-home > section {
    padding: var(--ai-section-space-mobile) 0;
  }

  .ai-hero-grid {
    grid-template-columns: 1fr;
  }

  .ai-hero {
    padding-top: 110px;
  }

  .ai-section-header h2 {
    font-size: 28px;
  }

  .ai-footer-links {
    text-align: left;
    margin-top: 12px;
  }
}

@media (max-width: 767px) {
  .navbar-nav > li.nav-cta > a {
    margin: 10px 0 20px;
    text-align: center;
  }

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