/* ========================================
   AI Page Styles
   ======================================== */

/* ---- Hero ---- */
.ai-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
  min-height: 80vh;
}

.ai-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.ai-hero__sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.ai-hero__cta {
  display: inline-block;
  background: var(--color-accent-ai);
  color: #fff;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.3s var(--ease-out-expo), opacity 0.3s ease;
}

.ai-hero__cta:hover {
  transform: scale(1.04);
  opacity: 0.9;
}

.ai-hero__image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
}

/* ---- The Problem ---- */
.ai-problem {
  background: #f4f3f0;
  padding: 5rem 2rem;
}

.ai-problem__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.ai-problem__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
}

.ai-problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ai-problem__card {
  background: #fff;
  border-radius: 14px;
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.ai-problem__card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.ai-problem__card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- Approach ---- */
.ai-approach {
  padding: 5rem 2rem;
}

.ai-approach__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.ai-approach__label,
.ai-philosophy__label,
.ai-services__label,
.ai-cases__label,
.ai-testimonials__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-ai);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.ai-approach__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.ai-approach__intro {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 3rem;
}

.ai-approach__pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.ai-approach__pillar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 2.5rem;
}

.ai-approach__pillar h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.ai-approach__pillar p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.ai-approach__pillar p:last-child {
  margin-bottom: 0;
}

/* ---- Philosophy / Three Laws ---- */
.ai-philosophy {
  background: #f4f3f0;
  padding: 5rem 2rem;
}

.ai-philosophy__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.ai-philosophy__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.ai-philosophy__intro {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 3rem;
}

.ai-philosophy__laws {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ai-philosophy__law {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
  background: #fff;
  border-radius: 14px;
  padding: 2rem 2.5rem;
  border: 1px solid var(--color-border);
}

.ai-philosophy__law-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-ai);
  opacity: 0.4;
  flex-shrink: 0;
  line-height: 1.3;
}

.ai-philosophy__law h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.ai-philosophy__law p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- Services ---- */
.ai-services {
  padding: 5rem 2rem;
}

.ai-services__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.ai-services__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.ai-services__intro {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: 3rem;
}

.ai-services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.ai-services__grid .ai-services__card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  max-width: calc(50% - 0.75rem);
}

.ai-services__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.ai-services__card:hover {
  border-color: var(--color-accent-ai);
  box-shadow: 0 4px 20px var(--color-accent-ai-glow);
}

.ai-services__card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.ai-services__card p {
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.ai-services__link {
  color: var(--color-accent-ai);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: opacity 0.3s ease;
}

.ai-services__link:hover {
  opacity: 0.7;
}

/* ---- Case Studies ---- */
.ai-cases {
  background: #f4f3f0;
  padding: 5rem 2rem;
}

.ai-cases__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.ai-cases__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
}

.ai-cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.ai-cases__placeholder {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
}

.ai-cases__placeholder h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.ai-cases__placeholder p {
  color: var(--color-text-muted);
  font-size: 0.93rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.ai-cases__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-ai);
  opacity: 0.6;
}

/* ---- Testimonials Carousel ---- */
.ai-testimonials {
  padding: 5rem 2rem;
}

.ai-testimonials__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.ai-testimonials__carousel {
  position: relative;
  margin-top: 2rem;
}

.ai-testimonials__track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 0.5rem 0 1.5rem;
  scrollbar-width: none;
}

.ai-testimonials__track::-webkit-scrollbar {
  display: none;
}

.ai-testimonials__quote {
  flex: 0 0 340px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 2rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
}

.ai-testimonials__quote p {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-style: italic;
  flex-grow: 1;
}

.ai-testimonials__quote cite {
  font-style: normal;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  display: block;
}

.ai-testimonials__quote cite span {
  display: block;
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

.ai-testimonials__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.ai-testimonials__arrow:hover {
  background: var(--color-bg);
  border-color: var(--color-text-muted);
}

.ai-testimonials__arrow--left {
  left: -20px;
}

.ai-testimonials__arrow--right {
  right: -20px;
}

/* ---- AI Diagnostic ---- */
.ai-diagnostic {
  padding: 4rem 2rem;
  background: var(--color-accent-ai-light);
}

.ai-diagnostic__inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.ai-diagnostic__label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-ai);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.ai-diagnostic__title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.ai-diagnostic__desc {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.ai-diagnostic__btn {
  display: inline-block;
  background: var(--color-accent-ai);
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.3s var(--ease-out-expo), opacity 0.3s ease;
}

.ai-diagnostic__btn:hover {
  transform: scale(1.04);
  opacity: 0.9;
}

/* ---- Final CTA ---- */
.ai-cta {
  padding: 5rem 2rem;
  background: var(--color-accent-ai);
}

.ai-cta__inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.ai-cta__inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.ai-cta__inner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.ai-cta__button {
  display: inline-block;
  background: #fff;
  color: var(--color-accent-ai);
  padding: 0.75rem 2rem;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
}

.ai-cta__button:hover {
  transform: scale(1.04);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .ai-hero {
    grid-template-columns: 1fr;
    padding: 7rem 1.5rem 3rem;
    min-height: auto;
  }

  .ai-hero__image {
    order: -1;
  }

  .ai-problem__grid,
  .ai-approach__pillars,
  .ai-services__grid,
  .ai-testimonials__grid {
    grid-template-columns: 1fr;
  }

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

  .ai-philosophy__law {
    flex-direction: column;
    gap: 0.75rem;
  }
}