/* iai-pages.css — per-page layouts and hero sections */

/* ===== BODY PADDING FOR FIXED NAV ===== */
body {
  padding-top: var(--iai-nav-h);
}

/* ===== INDEX HERO ===== */
.iai-hero {
  min-height: calc(100vh - var(--iai-nav-h));
  background: var(--iai-bg-dark);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 80px 0 100px;
}

.iai-hero__bg-texture {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  pointer-events: none;
}

.iai-hero__bg-texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.iai-hero__inner {
  max-width: var(--iai-container-max);
  margin: 0 auto;
  padding: 0 var(--iai-gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 100%;
}

.iai-hero__copy {
  max-width: 560px;
}

.iai-hero__eyebrow {
  font-size: var(--iai-label);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iai-accent-amber-aa-dark);
  margin-bottom: 18px;
  display: block;
}

.iai-hero__headline {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--iai-fg-dark-primary);
  margin-bottom: 20px;
}

.iai-hero__subhead {
  font-size: var(--iai-body-lg);
  line-height: 1.65;
  color: var(--iai-fg-dark-secondary);
  margin-bottom: 36px;
}

.iai-hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.iai-hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== SUBPAGE HERO (shared base) ===== */
.iai-subhero {
  background: var(--iai-bg-dark);
  padding: 80px 0 80px;
  position: relative;
  overflow: hidden;
}

.iai-subhero__inner {
  max-width: var(--iai-container-max);
  margin: 0 auto;
  padding: 0 var(--iai-gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.iai-subhero__copy {
  max-width: 560px;
}

.iai-subhero__eyebrow {
  font-size: var(--iai-label);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--iai-accent-amber-aa-dark);
  margin-bottom: 16px;
  display: block;
}

.iai-subhero__headline {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--iai-fg-dark-primary);
  margin-bottom: 18px;
}

.iai-subhero__subhead {
  font-size: var(--iai-body-lg);
  line-height: 1.65;
  color: var(--iai-fg-dark-secondary);
  margin-bottom: 32px;
}

.iai-subhero__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.iai-subhero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Light subhero */
.iai-subhero--light {
  background: var(--iai-bg-light);
  padding: 72px 0 72px;
}

.iai-subhero--light .iai-subhero__eyebrow {
  color: var(--iai-accent-amber-aa-light);
}

.iai-subhero--light .iai-subhero__headline {
  color: var(--iai-fg-light-primary);
}

.iai-subhero--light .iai-subhero__subhead {
  color: var(--iai-fg-light-secondary);
}

/* ===== PRODUCT PAGE ===== */
.iai-product-capability {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.iai-product-capability--reverse {
  direction: rtl;
}

.iai-product-capability--reverse > * {
  direction: ltr;
}

.iai-product-capability__copy h2 {
  margin-bottom: 16px;
}

.iai-product-capability__copy p {
  font-size: var(--iai-body-lg);
  line-height: 1.65;
  margin-bottom: 24px;
}

.iai-product-capability__image {
  border-radius: var(--iai-radius-card);
  overflow: hidden;
  box-shadow: var(--iai-shadow-elevated);
}

.iai-product-capability__image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* ===== USE CASES HUB ===== */
.iai-usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.iai-usecase-card {
  background: var(--iai-bg-white);
  border: 1px solid var(--iai-bg-subtle-rule);
  border-radius: var(--iai-radius-card);
  padding: 36px 32px;
  box-shadow: var(--iai-shadow-card);
  text-decoration: none;
  display: block;
  transition: box-shadow 0.2s, transform 0.2s;
}

.iai-usecase-card:hover {
  box-shadow: var(--iai-shadow-card-hover);
  transform: translateY(-3px);
}

.iai-usecase-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--iai-accent-amber-aa-light);
  margin-bottom: 14px;
  display: block;
}

.iai-usecase-card__title {
  font-size: var(--iai-h3);
  font-weight: 600;
  color: var(--iai-fg-light-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.iai-usecase-card__desc {
  font-size: var(--iai-body);
  color: var(--iai-fg-light-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.iai-usecase-card__arrow {
  color: var(--iai-accent-amber-aa-light);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== ABOUT PAGE ===== */
.iai-about-mission {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.iai-about-mission__scene img {
  border-radius: var(--iai-radius-card);
  box-shadow: var(--iai-shadow-elevated);
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.iai-ceo-bio {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 52px;
  align-items: start;
}

.iai-ceo-bio__portrait {
  border-radius: var(--iai-radius-card);
  overflow: hidden;
  box-shadow: var(--iai-shadow-elevated);
}

.iai-ceo-bio__portrait img {
  width: 100%;
  aspect-ratio: 6/7;
  object-fit: cover;
}

.iai-ceo-bio__eyebrow {
  font-size: var(--iai-label);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--iai-accent-amber-aa-light);
  margin-bottom: 10px;
  display: block;
  font-weight: 500;
}

.iai-ceo-bio__name {
  font-size: var(--iai-h2);
  font-weight: 700;
  color: var(--iai-fg-light-primary);
  margin-bottom: 4px;
}

.iai-ceo-bio__title {
  font-size: var(--iai-h4);
  font-weight: 400;
  color: var(--iai-fg-light-muted);
  margin-bottom: 24px;
}

.iai-ceo-bio__body {
  font-size: var(--iai-body-lg);
  color: var(--iai-fg-light-secondary);
  line-height: 1.7;
}

.iai-ceo-bio__body p {
  margin-bottom: 16px;
}

.iai-values-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 12px;
}

.iai-value-item {
  padding: 24px;
  background: var(--iai-bg-light);
  border-radius: var(--iai-radius-card);
  border-left: 3px solid var(--iai-accent-amber);
}

.iai-value-item p {
  font-size: var(--iai-body);
  color: var(--iai-fg-light-secondary);
  line-height: 1.6;
}

/* ===== CONTACT PAGE ===== */
.iai-contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.iai-contact-info h3 {
  font-size: var(--iai-h3);
  color: var(--iai-fg-light-primary);
  margin-bottom: 20px;
}

.iai-contact-info p {
  font-size: var(--iai-body-lg);
  color: var(--iai-fg-light-secondary);
  line-height: 1.65;
  margin-bottom: 32px;
}

.iai-contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.iai-contact-detail i {
  color: var(--iai-accent-amber-aa-light);
  font-size: 1.125rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.iai-contact-detail__label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--iai-fg-light-muted);
  margin-bottom: 3px;
}

.iai-contact-detail__value {
  font-size: var(--iai-body);
  color: var(--iai-fg-light-secondary);
}

.iai-contact-detail__value a {
  color: var(--iai-accent-amber-aa-light);
}

.iai-contact-detail__value a:hover {
  color: var(--iai-accent-amber);
}

/* ===== LOGIN PAGES ===== */
.iai-auth-page {
  min-height: 100vh;
  background: var(--iai-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--iai-nav-h) + 40px) var(--iai-gutter) 60px;
  position: relative;
  overflow: hidden;
}

.iai-auth-card {
  width: 100%;
  max-width: 480px;
  background: var(--iai-bg-dark-alt);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 8px;
  padding: 44px 40px;
  box-shadow: var(--iai-shadow-elevated);
  position: relative;
  z-index: 2;
}

.iai-auth-card__logo {
  display: block;
  margin-bottom: 32px;
}

.iai-auth-card__logo img {
  height: 28px;
  width: auto;
}

.iai-auth-card h1 {
  font-size: var(--iai-h2);
  color: var(--iai-fg-dark-primary);
  margin-bottom: 8px;
}

.iai-auth-card__sub {
  font-size: var(--iai-body);
  color: var(--iai-fg-dark-secondary);
  margin-bottom: 32px;
  line-height: 1.55;
}

.iai-auth-card__footer {
  margin-top: 24px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--iai-fg-dark-muted);
}

.iai-auth-card__footer a {
  color: var(--iai-accent-amber-aa-dark);
  text-decoration: underline;
}

.iai-auth-note {
  margin-top: 20px;
  padding: 16px;
  background: rgba(217,119,6,0.10);
  border-left: 3px solid var(--iai-accent-amber);
  border-radius: 0 4px 4px 0;
}

.iai-auth-note p {
  font-size: 0.875rem;
  color: var(--iai-accent-amber-aa-dark);
  line-height: 1.55;
}

.iai-pilot-card {
  max-width: 560px;
}

/* ===== BLOG ARTICLE PAGE ===== */
.iai-article-layout {
  max-width: var(--iai-container-max);
  margin: 0 auto;
  padding: 64px var(--iai-gutter) 96px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 60px;
  align-items: start;
}

.iai-article-hero {
  margin-bottom: 40px;
  border-radius: var(--iai-radius-card);
  overflow: hidden;
}

.iai-article-hero img {
  width: 100%;
  aspect-ratio: 1200/630;
  object-fit: cover;
}

.iai-article-header {
  margin-bottom: 36px;
}

.iai-article-header .iai-badge {
  margin-bottom: 14px;
}

.iai-article-header h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--iai-fg-light-primary);
  line-height: 1.2;
  margin-bottom: 20px;
}

.iai-article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--iai-fg-light-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--iai-bg-subtle-rule);
  flex-wrap: wrap;
}

.iai-article-meta__author {
  font-weight: 500;
  color: var(--iai-fg-light-secondary);
}

/* Blog body typography (light-top scoped) */
.iai-blog-body {
  font-size: var(--iai-body-lg);
  line-height: 1.75;
  color: var(--iai-fg-light-secondary);
}

body.iai-page--light-top .iai-blog-body h2 {
  font-size: var(--iai-h3);
  font-weight: 600;
  color: var(--iai-fg-light-primary);
  margin-top: 36px;
  margin-bottom: 14px;
}

body.iai-page--light-top .iai-blog-body h3 {
  font-size: var(--iai-h4);
  font-weight: 600;
  color: var(--iai-fg-light-primary);
  margin-top: 28px;
  margin-bottom: 10px;
}

body.iai-page--light-top .iai-blog-body p {
  margin-bottom: 20px;
  color: var(--iai-fg-light-secondary);
}

body.iai-page--light-top .iai-blog-body ul,
body.iai-page--light-top .iai-blog-body ol {
  padding-left: 22px;
  margin-bottom: 20px;
}

body.iai-page--light-top .iai-blog-body ul {
  list-style: disc;
}

body.iai-page--light-top .iai-blog-body ol {
  list-style: decimal;
}

body.iai-page--light-top .iai-blog-body li {
  margin-bottom: 8px;
  color: var(--iai-fg-light-secondary);
}

body.iai-page--light-top .iai-blog-body code {
  font-family: var(--iai-font-mono);
  font-size: 0.875em;
  background: var(--iai-bg-light);
  color: var(--iai-fg-light-primary);
  padding: 2px 6px;
  border-radius: 3px;
}

body.iai-page--light-top .iai-blog-body a {
  color: var(--iai-accent-amber-aa-light);
  text-decoration: underline;
}

.iai-article-sidebar {
  position: sticky;
  top: calc(var(--iai-nav-h) + 24px);
  height: fit-content;
}

.iai-article-sidebar__section {
  margin-bottom: 32px;
}

.iai-article-sidebar__title {
  font-size: var(--iai-label);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--iai-fg-light-muted);
  margin-bottom: 14px;
}

.iai-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== CTA BAND ===== */
.iai-cta-band {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.iai-cta-band__bg-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
}

.iai-cta-band__inner {
  max-width: var(--iai-container-max);
  margin: 0 auto;
  padding: 0 var(--iai-gutter);
  text-align: center;
  position: relative;
  z-index: 2;
}

.iai-cta-band__headline {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--iai-fg-dark-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.iai-cta-band__subhead {
  font-size: var(--iai-body-lg);
  color: var(--iai-fg-dark-secondary);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.iai-cta-band__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== PROBLEM STATEMENT ===== */
.iai-problem {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.iai-problem__copy h2 {
  font-size: var(--iai-h2);
  font-weight: 700;
  color: var(--iai-fg-light-primary);
  margin-bottom: 18px;
}

.iai-problem__copy p {
  font-size: var(--iai-body-lg);
  color: var(--iai-fg-light-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.iai-problem__visual-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.iai-problem__visual-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: var(--iai-bg-white);
  border-radius: var(--iai-radius-card);
  border: 1px solid var(--iai-bg-subtle-rule);
}

.iai-problem__visual-item i {
  color: var(--iai-accent-amber-aa-light);
  font-size: 1.125rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.iai-problem__visual-item p {
  font-size: var(--iai-body);
  color: var(--iai-fg-light-secondary);
  line-height: 1.55;
  margin: 0;
}

/* ===== STATUS PAGE ===== */
.iai-status-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.iai-status-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--iai-bg-white);
  border: 1px solid var(--iai-bg-subtle-rule);
  border-radius: var(--iai-radius-card);
}

.iai-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 6px rgba(22,163,74,0.4);
}

/* ===== RESPONSIVE PAGES ===== */
@media (max-width: 1024px) {
  .iai-hero__inner,
  .iai-subhero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .iai-product-capability {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .iai-product-capability--reverse {
    direction: ltr;
  }

  .iai-about-mission {
    grid-template-columns: 1fr;
  }

  .iai-ceo-bio {
    grid-template-columns: 1fr;
  }

  .iai-ceo-bio__portrait {
    max-width: 280px;
  }

  .iai-contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .iai-usecase-grid {
    grid-template-columns: 1fr;
  }

  .iai-article-layout {
    grid-template-columns: 1fr;
  }

  .iai-article-sidebar {
    display: none;
  }

  .iai-values-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .iai-hero {
    padding: 64px 0 80px;
    min-height: auto;
  }

  .iai-subhero {
    padding: 56px 0 56px;
  }

  .iai-auth-card {
    padding: 36px 24px;
  }

  .iai-problem {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}