/**
 * MetaCortex Custom Styles
 * Uses design tokens from variables.css
 */
@import url('./variables.css');

/* Hero section - uses design tokens */
.hero-tagline {
  font-size: var(--font-size-tagline-mobile);
  letter-spacing: var(--letter-spacing-tagline);
  text-transform: uppercase;
  background: var(--color-badge-bg);
  border-radius: var(--badge-radius);
  padding: var(--badge-padding-y) var(--badge-padding-x);
  color: var(--color-badge-text);
  font-weight: 500;
}
@media (min-width: 640px) {
  .hero-tagline {
    font-size: var(--font-size-tagline-desktop);
  }
}

.hero-h1 {
  font-size: var(--font-size-h1-mobile);
  font-weight: var(--font-weight-h1);
  line-height: var(--line-height-h1);
  color: var(--color-text-heading);
}
@media (min-width: 768px) {
  .hero-h1 {
    font-size: var(--font-size-h1-tablet);
  }
}
@media (min-width: 1024px) {
  .hero-h1 {
    font-size: var(--font-size-h1-desktop);
  }
}

.hero-desc-primary {
  font-size: var(--font-size-desc-mobile);
  font-weight: 400;
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: 620px;
}
@media (min-width: 640px) {
  .hero-desc-primary {
    font-size: var(--font-size-desc-desktop);
  }
}

.hero-desc-secondary {
  font-size: var(--font-size-secondary);
  line-height: var(--line-height-desc);
  color: var(--color-secondary-text);
}

.hero-btn-primary {
  font-size: var(--font-size-btn);
  font-weight: var(--font-weight-btn);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  background: var(--color-primary);
  color: white;
  border-radius: var(--btn-radius);
  border: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.hero-btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.hero-btn-secondary {
  font-size: var(--font-size-btn);
  font-weight: var(--font-weight-btn);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  background: transparent;
  color: var(--color-text-heading);
  border: 1px solid var(--color-border-light);
  border-radius: var(--btn-radius);
  transition: background 0.2s;
}
.hero-btn-secondary:hover {
  background: var(--color-card-bg);
}

.hero-tech-title {
  font-size: var(--font-size-tech-title);
  letter-spacing: var(--letter-spacing-tech-title);
  text-transform: uppercase;
  color: var(--color-secondary-text);
  font-weight: 600;
}

.hero-tech-icon {
  width: var(--tech-icon-size);
  height: var(--tech-icon-size);
  border-radius: var(--tech-icon-radius);
  background: var(--color-card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-section {
  padding-top: 96px;
  padding-bottom: 64px;
}
@media (min-width: 1024px) {
  .hero-section {
    padding-top: var(--hero-padding-top);
    padding-bottom: var(--hero-padding-bottom);
  }
}

.hero-container {
  max-width: var(--hero-container-max);
  margin-left: auto;
  margin-right: auto;
}

/* About MetaCortex section */
.about-section-tagline {
  font-size: var(--about-tagline-size);
  letter-spacing: var(--about-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.about-section-title {
  font-size: var(--about-title-mobile);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 1.25rem;
}
@media (min-width: 768px) {
  .about-section-title {
    font-size: var(--about-title-tablet);
  }
}
@media (min-width: 1024px) {
  .about-section-title {
    font-size: var(--about-title-desktop);
  }
}

.about-desc {
  font-size: var(--about-desc-size);
  line-height: 1.6;
  color: var(--color-text-body);
  max-width: var(--about-desc-max-width);
  margin-bottom: 1.5rem;
}
.about-desc p {
  margin-bottom: 1rem;
}
.about-desc p:last-child {
  margin-bottom: 0;
}

.about-subtitle {
  font-size: var(--about-subtitle-size);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 1.25rem;
}

.about-cta-btn {
  font-size: var(--font-size-btn);
  font-weight: var(--font-weight-btn);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  background: var(--color-primary);
  color: white;
  border-radius: var(--btn-radius);
  border: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.about-cta-btn:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.about-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1rem;
}

.about-service-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  color: var(--color-text-heading);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}
.about-service-item:hover {
  background: white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.about-service-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 8px;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.2s;
}
.about-service-item:hover .about-service-icon {
  transform: scale(1.08);
}

/* About section scroll reveal */
.about-reveal-el {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
#about-metacortex.about-revealed .about-reveal-el {
  opacity: 1;
  transform: translateY(0);
}
#about-metacortex.about-revealed .about-text-content > *:nth-child(1) { transition-delay: 0s; }
#about-metacortex.about-revealed .about-text-content > *:nth-child(2) { transition-delay: 0.05s; }
#about-metacortex.about-revealed .about-text-content > *:nth-child(3) { transition-delay: 0.1s; }
#about-metacortex.about-revealed .about-text-content > *:nth-child(4) { transition-delay: 0.15s; }
#about-metacortex.about-revealed .about-services-column .about-subtitle { transition-delay: 0.1s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(1) { transition-delay: 0.1s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(2) { transition-delay: 0.2s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(3) { transition-delay: 0.3s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(4) { transition-delay: 0.4s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(5) { transition-delay: 0.5s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(6) { transition-delay: 0.6s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(7) { transition-delay: 0.7s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(8) { transition-delay: 0.8s; }
#about-metacortex.about-revealed .about-services-grid .about-service-item:nth-child(9) { transition-delay: 0.9s; }

/* Portfolio & Case Studies section */
.portfolio-section-tagline {
  font-size: var(--portfolio-tagline-size);
  letter-spacing: var(--portfolio-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.portfolio-section-title {
  font-size: var(--portfolio-title-mobile);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 1rem;
}
@media (min-width: 768px) {
  .portfolio-section-title {
    font-size: var(--portfolio-title-tablet);
  }
}
@media (min-width: 1024px) {
  .portfolio-section-title {
    font-size: var(--portfolio-title-desktop);
  }
}

.portfolio-section-subtitle {
  font-size: var(--portfolio-subtitle-size);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: var(--portfolio-subtitle-max-width);
  margin-left: auto;
  margin-right: auto;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-card {
  display: block;
  background: white;
  border-radius: var(--portfolio-card-radius);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.portfolio-card-image {
  aspect-ratio: 400 / 240;
  overflow: hidden;
  background: var(--color-card-bg);
}
.portfolio-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.portfolio-card:hover .portfolio-card-image img {
  transform: scale(1.03);
}

.portfolio-card-content {
  padding: 1.25rem 1.25rem 1.5rem;
}

.portfolio-industry-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-badge-bg);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.portfolio-card-title {
  font-size: var(--portfolio-card-title);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.portfolio-card-desc {
  font-size: var(--portfolio-card-desc);
  line-height: 1.6;
  color: var(--color-text-body);
  margin-bottom: 0.75rem;
}

.portfolio-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}
.portfolio-tech-tags span {
  font-size: 12px;
  color: var(--color-secondary-text);
  background: var(--color-card-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.portfolio-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: color 0.2s;
}
.portfolio-card:hover .portfolio-card-link {
  color: var(--color-primary-hover);
}

.portfolio-cta-btn {
  font-size: var(--font-size-btn);
  font-weight: var(--font-weight-btn);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  background: var(--color-primary);
  color: white;
  border-radius: var(--btn-radius);
  border: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.portfolio-cta-btn:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

/* Portfolio scroll reveal */
.portfolio-reveal-el {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
#portfolio-case-studies.portfolio-revealed .portfolio-reveal-el {
  opacity: 1;
  transform: translateY(0);
}
#portfolio-case-studies.portfolio-revealed .portfolio-section-tagline { transition-delay: 0s; }
#portfolio-case-studies.portfolio-revealed .portfolio-section-title { transition-delay: 0.05s; }
#portfolio-case-studies.portfolio-revealed .portfolio-section-subtitle { transition-delay: 0.1s; }
#portfolio-case-studies.portfolio-revealed .portfolio-card:nth-child(1) { transition-delay: 0.15s; }
#portfolio-case-studies.portfolio-revealed .portfolio-card:nth-child(2) { transition-delay: 0.25s; }
#portfolio-case-studies.portfolio-revealed .portfolio-card:nth-child(3) { transition-delay: 0.35s; }
#portfolio-case-studies.portfolio-revealed .portfolio-card:nth-child(4) { transition-delay: 0.45s; }
#portfolio-case-studies.portfolio-revealed .portfolio-card:nth-child(5) { transition-delay: 0.55s; }
#portfolio-case-studies.portfolio-revealed .portfolio-card:nth-child(6) { transition-delay: 0.65s; }
#portfolio-case-studies.portfolio-revealed .portfolio-cta-wrap .portfolio-reveal-el { transition-delay: 0.75s; }

/* Why Choose MetaCortex section */
.why-choose-tagline {
  font-size: var(--why-choose-tagline-size);
  letter-spacing: var(--why-choose-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.why-choose-title {
  font-size: var(--why-choose-title-mobile);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 1.25rem;
}
@media (min-width: 768px) {
  .why-choose-title {
    font-size: var(--why-choose-title-tablet);
  }
}
@media (min-width: 1024px) {
  .why-choose-title {
    font-size: var(--why-choose-title-desktop);
  }
}

.why-choose-desc {
  font-size: var(--why-choose-desc-size);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: var(--why-choose-desc-max-width);
}
.why-choose-desc p {
  margin-bottom: 1rem;
}
.why-choose-desc p:last-child {
  margin-bottom: 0;
}

.why-choose-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (max-width: 1023px) {
  .why-choose-cards-grid {
    grid-template-columns: 1fr;
  }
}

.why-choose-card {
  background: white;
  border-radius: var(--why-choose-card-radius);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.why-choose-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.why-choose-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 1rem;
}

.why-choose-card-title {
  font-size: var(--why-choose-card-title);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.why-choose-card-desc {
  font-size: var(--why-choose-card-desc);
  line-height: 1.6;
  color: var(--color-text-body);
}

.why-choose-cta-btn {
  font-size: var(--font-size-btn);
  font-weight: var(--font-weight-btn);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  background: var(--color-primary);
  color: white;
  border-radius: var(--btn-radius);
  border: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.why-choose-cta-btn:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

/* Why Choose MetaCortex scroll reveal */
.why-choose-reveal-el {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
#why-choose-metacortex.why-choose-revealed .why-choose-reveal-el {
  opacity: 1;
  transform: translateY(0);
}
#why-choose-metacortex.why-choose-revealed .why-choose-text .why-choose-reveal-el:nth-child(1) { transition-delay: 0s; }
#why-choose-metacortex.why-choose-revealed .why-choose-text .why-choose-reveal-el:nth-child(2) { transition-delay: 0.05s; }
#why-choose-metacortex.why-choose-revealed .why-choose-text .why-choose-reveal-el:nth-child(3) { transition-delay: 0.1s; }
#why-choose-metacortex.why-choose-revealed .why-choose-text .why-choose-reveal-el:nth-child(4) { transition-delay: 0.15s; }
#why-choose-metacortex.why-choose-revealed .why-choose-card:nth-child(1) { transition-delay: 0.1s; }
#why-choose-metacortex.why-choose-revealed .why-choose-card:nth-child(2) { transition-delay: 0.2s; }
#why-choose-metacortex.why-choose-revealed .why-choose-card:nth-child(3) { transition-delay: 0.3s; }
#why-choose-metacortex.why-choose-revealed .why-choose-card:nth-child(4) { transition-delay: 0.4s; }
#why-choose-metacortex.why-choose-revealed .why-choose-cta-wrap .why-choose-reveal-el { transition-delay: 0.5s; }

/* Our Development Process section */
.process-section-tagline {
  font-size: var(--process-tagline-size);
  letter-spacing: var(--process-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.process-section-title {
  font-size: var(--process-title-mobile);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 0.5rem;
}
@media (min-width: 768px) {
  .process-section-title {
    font-size: var(--process-title-tablet);
  }
}
@media (min-width: 1024px) {
  .process-section-title {
    font-size: var(--process-title-desktop);
  }
}

.process-section-subtitle {
  font-size: var(--process-subtitle-size);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 1rem;
}

.process-section-desc {
  font-size: var(--process-desc-size);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: var(--process-desc-max-width);
  margin-left: auto;
  margin-right: auto;
}

.process-timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 1024px) {
  .process-timeline {
    grid-template-columns: repeat(6, 1fr);
  }
}

.process-step {
  position: relative;
  background: white;
  border-radius: var(--process-card-radius);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.process-step:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

@media (max-width: 767px) {
  .process-step {
    border-left: 3px solid var(--color-primary);
    margin-left: 0.5rem;
    padding-left: 1.25rem;
  }
  .process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1.25rem;
    width: 2px;
    height: 1.25rem;
    background: var(--color-border-light);
  }
}

.process-step-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: white;
  background: var(--color-primary);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  text-align: center;
  line-height: 24px;
  margin-bottom: 0.75rem;
}

.process-step-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-badge-bg);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 0.75rem;
}

.process-step-title {
  font-size: var(--process-step-title);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.process-step-desc {
  font-size: var(--process-step-desc);
  line-height: 1.6;
  color: var(--color-text-body);
}

.process-cta-btn {
  font-size: var(--font-size-btn);
  font-weight: var(--font-weight-btn);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  background: var(--color-primary);
  color: white;
  border-radius: var(--btn-radius);
  border: none;
  transition: background 0.2s, box-shadow 0.2s;
}
.process-cta-btn:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

/* Development Process scroll reveal */
.process-reveal-el {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
#development-process.process-revealed .process-reveal-el {
  opacity: 1;
  transform: translateY(0);
}
#development-process.process-revealed .process-section-tagline { transition-delay: 0s; }
#development-process.process-revealed .process-section-title { transition-delay: 0.05s; }
#development-process.process-revealed .process-section-subtitle { transition-delay: 0.1s; }
#development-process.process-revealed .process-section-desc { transition-delay: 0.15s; }
#development-process.process-revealed .process-timeline > .process-step:nth-child(1) { transition-delay: 0.2s; }
#development-process.process-revealed .process-timeline > .process-step:nth-child(2) { transition-delay: 0.3s; }
#development-process.process-revealed .process-timeline > .process-step:nth-child(3) { transition-delay: 0.4s; }
#development-process.process-revealed .process-timeline > .process-step:nth-child(4) { transition-delay: 0.5s; }
#development-process.process-revealed .process-timeline > .process-step:nth-child(5) { transition-delay: 0.6s; }
#development-process.process-revealed .process-timeline > .process-step:nth-child(6) { transition-delay: 0.7s; }
#development-process.process-revealed .process-cta-wrap .process-reveal-el { transition-delay: 0.8s; }

/* Core Development Services section */
.services-section-tagline {
  font-size: var(--services-tagline-size);
  letter-spacing: var(--services-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.services-section-subtitle {
  font-size: var(--services-subtitle-size);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: var(--services-subtitle-max-width);
  margin-left: auto;
  margin-right: auto;
}

.services-section-title {
  font-size: var(--services-title-mobile);
  font-weight: 700;
  color: var(--color-text-heading);
}
@media (min-width: 768px) {
  .services-section-title {
    font-size: var(--services-title-tablet);
  }
}
@media (min-width: 1024px) {
  .services-section-title {
    font-size: var(--services-title-desktop);
  }
}

.services-card-title {
  font-size: var(--services-card-title);
  font-weight: 600;
  color: var(--color-text-heading);
}

.services-card-desc {
  font-size: var(--services-card-desc);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
}

.services-card {
  border-radius: var(--services-card-radius);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}
.services-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  background: white;
}

/* AI Solutions section */
.ai-solutions-tagline {
  font-size: var(--services-tagline-size);
  letter-spacing: var(--ai-solutions-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.ai-solutions-subtitle {
  font-size: var(--services-subtitle-size);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: var(--ai-solutions-subtitle-max-width);
  margin-left: auto;
  margin-right: auto;
}

/* AI Solutions cards - gradient icon accents to differentiate from Services section */
.ai-solutions-icon {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gradient-end) 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.ai-solutions-card:nth-child(1) .ai-solutions-icon { background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%); }
.ai-solutions-card:nth-child(2) .ai-solutions-icon { background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%); }
.ai-solutions-card:nth-child(3) .ai-solutions-icon { background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%); }
.ai-solutions-card:nth-child(4) .ai-solutions-icon { background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%); }
.ai-solutions-card:nth-child(5) .ai-solutions-icon { background: linear-gradient(135deg, #059669 0%, #047857 100%); }
.ai-solutions-card:nth-child(6) .ai-solutions-icon { background: linear-gradient(135deg, #d97706 0%, #b45309 100%); }

/* Industries We Serve section */
.industries-section-tagline {
  font-size: var(--services-tagline-size);
  letter-spacing: var(--ai-solutions-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.industries-section-subtitle {
  font-size: var(--services-subtitle-size);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: var(--industries-subtitle-max-width);
  margin-left: auto;
  margin-right: auto;
}

.industries-card-title {
  font-size: var(--industries-card-title);
  font-weight: 600;
  color: var(--color-text-heading);
}

.industries-card-desc {
  font-size: var(--industries-card-desc);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
}

.industries-card {
  border-radius: var(--services-card-radius);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}
.industries-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  background: white;
}

/* Technology Stack & Platforms section */
.tech-stack-section-tagline {
  font-size: var(--services-tagline-size);
  letter-spacing: var(--ai-solutions-tagline-spacing);
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.tech-stack-section-subtitle {
  font-size: var(--services-subtitle-size);
  line-height: var(--line-height-desc);
  color: var(--color-text-body);
  max-width: var(--tech-stack-subtitle-max-width);
  margin-left: auto;
  margin-right: auto;
}

.tech-stack-filters .tech-filter-btn {
  padding: 0.5rem 1rem;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-body);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
  text-align: left;
  white-space: nowrap;
}
.tech-stack-filters .tech-filter-btn:hover {
  color: var(--color-primary);
  background: var(--color-badge-bg);
}
.tech-stack-filters .tech-filter-btn.active {
  color: var(--color-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--color-primary);
  background: transparent;
}

.tech-panel {
  display: none;
}
.tech-panel.active {
  display: block;
}

.tech-stack-card {
  opacity: 0;
  transform: translateY(20px);
  animation: techStackReveal 0.5s ease-out forwards;
}
.tech-panel-grid .tech-stack-card:nth-child(1) { animation-delay: 0.1s; }
.tech-panel-grid .tech-stack-card:nth-child(2) { animation-delay: 0.2s; }
.tech-panel-grid .tech-stack-card:nth-child(3) { animation-delay: 0.3s; }
.tech-panel-grid .tech-stack-card:nth-child(4) { animation-delay: 0.4s; }
.tech-panel-grid .tech-stack-card:nth-child(5) { animation-delay: 0.5s; }
.tech-panel-grid .tech-stack-card:nth-child(6) { animation-delay: 0.6s; }
.tech-panel-grid .tech-stack-card:nth-child(7) { animation-delay: 0.7s; }
.tech-panel-grid .tech-stack-card:nth-child(8) { animation-delay: 0.8s; }
@keyframes techStackReveal {
  to { opacity: 1; transform: translateY(0); }
}

.tech-stack-card-icon {
  width: var(--tech-stack-icon-size);
  height: var(--tech-stack-icon-size);
  min-width: var(--tech-stack-icon-size);
  border-radius: var(--tech-stack-icon-radius);
  background: white;
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.tech-stack-card:hover .tech-stack-card-icon {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.tech-stack-card-name {
  font-size: var(--tech-stack-name-size);
  color: var(--color-text-heading);
  text-align: center;
  line-height: 1.3;
}