/* ============================================================
   SQ INTERACTIVE — AI & AUTOMATION WORLD
   Styles for /ai/index.html
   AI World: Cyan/Blue accent for technology & intelligence
   ============================================================ */

:root {
  --ai-accent: #00D9FF;
  --ai-accent-dark: #0099CC;
  --ai-accent-subtle: rgba(0, 217, 255, 0.08);
  --ai-accent-border: rgba(0, 217, 255, 0.20);
}

/* HERO */
.ai-hero {
  position: relative;
  min-height: 80svh;
  display: flex;
  align-items: flex-end;
  padding-top: var(--sq-nav-height);
  overflow: hidden;
  background: var(--sq-bg-deep);
}

.ai-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--sq-bg-deep);
}

.ai-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.35;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .ai-hero__video { display: none; }
}

.ai-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.50) 0%,
    rgba(10,10,10,0.72) 60%,
    rgba(10,10,10,0.96) 100%
  );
  pointer-events: none;
}

.ai-hero__overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 50%, rgba(212,175,55,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 90% 10%, rgba(212,175,55,0.03) 0%, transparent 55%);
  pointer-events: none;
}

.ai-hero__content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--sq-max-width);
  margin-inline: auto;
  padding-inline: var(--sq-space-6);
  padding-block: var(--sq-space-20) var(--sq-space-16);
}

@media (min-width: 768px) {
  .ai-hero__content {
    padding-inline: var(--sq-space-8);
  }
}

.ai-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sq-space-3);
  margin-bottom: var(--sq-space-6);
}

.ai-hero__breadcrumb-home {
  display: inline-flex;
  align-items: center;
  gap: var(--sq-space-2);
  font-size: var(--sq-text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--sq-text-muted);
  text-decoration: none;
  transition: color var(--sq-duration-fast);
}

.ai-hero__breadcrumb-home:hover {
  color: var(--sq-gold);
}

.ai-hero__breadcrumb-sep {
  color: var(--sq-text-muted);
  font-size: var(--sq-text-xs);
}

.ai-hero__heading {
  font-size: clamp(2.5rem, 5.5vw, 4.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--sq-text-strong);
  max-width: 20ch;
  margin-bottom: var(--sq-space-6);
}

.ai-hero__heading em {
  font-style: normal;
  color: var(--ai-accent);
}

.ai-hero__subheading {
  font-size: clamp(1rem, 1.8vw, var(--sq-text-lg));
  color: var(--sq-text-secondary);
  max-width: 52ch;
  line-height: var(--sq-leading-loose);
  margin-bottom: var(--sq-space-10);
}

.ai-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sq-space-4);
  align-items: center;
}

/* SECTION LAYOUT */
.ai-section-inner {
  max-width: var(--sq-max-width);
  margin-inline: auto;
  padding-inline: var(--sq-space-6);
}

@media (min-width: 768px) {
  .ai-section-inner {
    padding-inline: var(--sq-space-8);
  }
}

.ai-section-header {
  margin-bottom: var(--sq-space-12);
}

.ai-section-header h2 {
  margin-top: var(--sq-space-3);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.ai-section-header p {
  margin-top: var(--sq-space-4);
  font-size: var(--sq-text-lg);
  color: var(--sq-text-secondary);
  max-width: 52ch;
}

.ai-what-intro {
  margin-top: var(--sq-space-4);
  font-size: var(--sq-text-base);
  color: var(--sq-text-secondary);
  max-width: 60ch;
}

/* WHAT WE BUILD */
.ai-what-we-build {
  background: var(--sq-bg);
  padding-block: var(--sq-space-20);
}

@media (min-width: 768px) {
  .ai-what-we-build {
    padding-block: var(--sq-space-24);
  }
}

.ai-services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sq-space-5);
  margin-top: var(--sq-space-12);
}

@media (min-width: 768px) {
  .ai-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .ai-services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-service-card {
  display: flex;
  flex-direction: column;
  background: var(--sq-surface-raised);
  border: 1px solid var(--sq-border);
  border-radius: var(--sq-radius-xl);
  overflow: hidden;
  transition: border-color var(--sq-duration-base) var(--sq-ease), transform var(--sq-duration-base) var(--sq-ease);
}

.ai-service-card:hover {
  border-color: var(--ai-accent-border);
  transform: translateY(-3px);
}

.ai-service-card__img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--sq-surface);
}

.ai-service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--sq-duration-slow) var(--sq-ease);
}

.ai-service-card:hover .ai-service-card__img img {
  transform: scale(1.03);
}

.ai-service-card__body {
  padding: var(--sq-space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sq-space-3);
}

.ai-service-card__title {
  font-family: var(--sq-font-sans);
  font-size: var(--sq-text-lg);
  font-weight: 600;
  color: var(--sq-text-strong);
}

.ai-service-card__desc {
  font-size: var(--sq-text-sm);
  color: var(--sq-text-secondary);
  line-height: var(--sq-leading-loose);
}

.ai-service-card__features {
  list-style: none;
  padding: 0;
  margin: var(--sq-space-4) 0 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--sq-space-2);
  font-size: var(--sq-text-sm);
  color: var(--sq-text-secondary);
}

.ai-service-card__features li {
  padding-left: var(--sq-space-4);
  position: relative;
}

.ai-service-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--ai-accent);
  font-weight: 600;
}

/* REAL WORK */
.ai-real-work {
  background: var(--sq-surface);
  border-top: 1px solid var(--sq-border);
  padding-block: var(--sq-space-20);
}

@media (min-width: 768px) {
  .ai-real-work {
    padding-block: var(--sq-space-24);
  }
}

.ai-projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sq-space-5);
  margin-top: var(--sq-space-12);
}

@media (min-width: 768px) {
  .ai-projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .ai-projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-project-card {
  display: flex;
  flex-direction: column;
  background: var(--sq-bg);
  border: 1px solid var(--sq-border);
  border-radius: var(--sq-radius-xl);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--sq-duration-base) var(--sq-ease), transform var(--sq-duration-base) var(--sq-ease);
}

.ai-project-card:hover {
  border-color: var(--sq-gold-border);
  transform: translateY(-3px);
}

.ai-project-card__img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--sq-surface);
}

.ai-project-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--sq-duration-slow) var(--sq-ease);
}

.ai-project-card:hover .ai-project-card__img img {
  transform: scale(1.03);
}

.ai-project-card__body {
  padding: var(--sq-space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sq-space-3);
}

.ai-project-card__name {
  font-family: var(--sq-font-sans);
  font-size: var(--sq-text-lg);
  font-weight: 600;
  color: var(--sq-text-strong);
}

.ai-project-card__category {
  font-size: var(--sq-text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ai-accent);
}

.ai-project-card__cta {
  margin-top: auto;
  font-size: var(--sq-text-sm);
  font-weight: 600;
  color: var(--ai-accent);
  transition: color var(--sq-duration-fast);
}

.ai-project-card:hover .ai-project-card__cta {
  color: var(--ai-accent-dark);
}

/* HOW WE WORK */
.ai-how-we-work {
  background: var(--sq-bg);
  padding-block: var(--sq-space-20);
}

@media (min-width: 768px) {
  .ai-how-we-work {
    padding-block: var(--sq-space-24);
  }
}

.ai-process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sq-space-3);
  margin-top: var(--sq-space-12);
}

@media (min-width: 640px) {
  .ai-process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .ai-process-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-step {
  padding: var(--sq-space-6);
  background: var(--sq-surface);
  border: 1px solid var(--sq-border);
  border-radius: var(--sq-radius-xl);
  transition: border-color var(--sq-duration-base) var(--sq-ease);
}

.ai-step:hover {
  border-color: var(--ai-accent-border);
}

.ai-step__num {
  font-family: var(--sq-font-sans);
  font-size: var(--sq-text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ai-accent);
  margin-bottom: var(--sq-space-4);
}

.ai-step__title {
  font-family: var(--sq-font-sans);
  font-size: var(--sq-text-base);
  font-weight: 600;
  color: var(--sq-text-strong);
  margin-bottom: var(--sq-space-2);
}

.ai-step__desc {
  font-size: var(--sq-text-sm);
  color: var(--sq-text-secondary);
  line-height: var(--sq-leading-loose);
}

/* CROSSLINKS */
.ai-crosslinks {
  background: var(--sq-surface);
  border-top: 1px solid var(--sq-border);
  padding-block: var(--sq-space-16);
}

.ai-crosslinks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sq-space-4);
  margin-top: var(--sq-space-8);
}

@media (min-width: 640px) {
  .ai-crosslinks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .ai-crosslinks-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* FINAL CTA */
.ai-final-cta {
  background: var(--sq-bg-deep);
  border-top: 1px solid var(--sq-border);
  padding-block: var(--sq-space-24);
  text-align: center;
}

.ai-final-cta__content {
  max-width: 580px;
  margin-inline: auto;
  padding-inline: var(--sq-space-6);
}

.ai-final-cta__heading {
  font-size: clamp(1.75rem, 4vw, var(--sq-text-4xl));
  margin-top: var(--sq-space-4);
  margin-bottom: var(--sq-space-10);
  line-height: var(--sq-leading-snug);
}

/* SOCIAL ICONS - COLORED */
.sq-footer__social-link--instagram {
  color: #E4405F;
}

.sq-footer__social-link--linkedin {
  color: #0A66C2;
}

.sq-footer__social-link--facebook {
  color: #1877F2;
}

.sq-footer__social-link--youtube {
  color: #FF0000;
}