/* ═══════════════════════════════════════════════
   Homepage Styles — ClosedLoop AI
   Clean Confidence / Apple-inspired
   ═══════════════════════════════════════════════ */

/* Hero — white, centered */
.homepage-hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: var(--surface);
  padding: 6rem 1.5rem;
}

.homepage-hero .hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  text-align: center;
}

.homepage-hero .hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.homepage-hero .hero-subtitle {
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.homepage-hero .hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-aside {
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.hero-aside a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.hero-aside a:hover {
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════
   Sections — alternating backgrounds for rhythm
   ═══════════════════════════════════════════════ */
.hp-section {
  padding: 6rem 1.5rem;
  background: var(--surface);
}
.hp-section--alt {
  background: var(--surface-alt);
}

/* ═══════════════════════════════════════════════
   Transform list — narrative items, no card containers
   ═══════════════════════════════════════════════ */
.transform-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.transform-item {
  padding-left: 1.5rem;
  border-left: 3px solid var(--accent);
}
.transform-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.transform-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.transform-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ═══════════════════════════════════════════════
   Featured grid — 2 hero cards, larger
   ═══════════════════════════════════════════════ */
.hp-grid--featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto 1.5rem;
}
.hp-grid--featured .card {
  padding: 2.5rem;
}
.hp-grid--featured .card-title {
  font-size: 1.5rem;
}

/* ═══════════════════════════════════════════════
   Compact grid — 4 supporting cards
   ═══════════════════════════════════════════════ */
.hp-grid--compact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.hp-grid--compact .card {
  padding: 1.5rem;
}
.hp-grid--compact .card-icon-box {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
}
.hp-grid--compact .card-icon-box svg {
  width: 20px;
  height: 20px;
}
.hp-grid--compact .card-title {
  font-size: 1.125rem;
}
.hp-grid--compact .card-desc {
  font-size: 0.875rem;
}

/* ═══════════════════════════════════════════════
   Cards
   ═══════════════════════════════════════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-hover);
}

.card--accent-border {
  border-left: 3px solid var(--accent);
}

.card-icon-box {
  width: 3rem;
  height: 3rem;
  background: var(--accent-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: background var(--transition-base);
}
.card:hover .card-icon-box {
  background: rgba(99, 102, 241, 0.12);
}
.card-icon-box svg {
  color: var(--accent);
}

.card-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.card-desc {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
  font-weight: 400;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  margin-top: 1.5rem;
  transition: gap var(--transition-fast);
}
.card-link:hover {
  gap: 0.625rem;
}

/* Card flex layout for equal-height + bottom link */
.card--flex {
  display: flex;
  flex-direction: column;
}
.card--flex .card-desc {
  flex: 1;
}

/* ═══════════════════════════════════════════════
   Section typography
   ═══════════════════════════════════════════════ */
.hp-section .section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 1.5rem;
}

.homepage-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.125rem;
  font-weight: 400;
  max-width: 48rem;
  margin: 0 auto 3.5rem;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   Features grid
   ═══════════════════════════════════════════════ */
.hp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════
   How It Works — 3-column, centered
   ═══════════════════════════════════════════════ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.step-number {
  width: 2.75rem;
  height: 2.75rem;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.step-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.9375rem;
  font-weight: 400;
  margin: 0;
}

.step-aside {
  text-align: center;
  margin-top: 3rem;
}
.step-aside a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.step-aside a:hover {
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════
   Integration logos
   ═══════════════════════════════════════════════ */
.logos-section {
  max-width: 56rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}
.logos-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  align-items: center;
}
.logos-row img {
  height: 2rem;
  width: auto;
  filter: grayscale(100%);
  opacity: 0.65;
  transition: filter var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
}
.logos-row img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

.section-action {
  text-align: center;
  margin-top: 2.5rem;
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: var(--accent);
  color: white;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}
.btn-accent:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-accent);
}

/* ═══════════════════════════════════════════════
   Testimonials — asymmetric featured + supporting
   ═══════════════════════════════════════════════ */
.testimonials-asymmetric {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 2rem;
  max-width: 56rem;
  margin: 0 auto;
  align-items: start;
}

/* Featured testimonial — larger, with photo */
.testimonial-featured {
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.testimonial-featured .testimonial-photo {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
  margin-bottom: 1.5rem;
}
.testimonial-featured blockquote {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0 0 1.5rem;
  font-style: normal;
}
.testimonial-featured .testimonial-author {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
.testimonial-featured .testimonial-role {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0;
}

/* Supporting testimonial — compact, no photo */
.testimonial-supporting {
  padding: 2rem;
  border-left: 3px solid var(--accent);
  margin-top: 1rem;
}
.testimonial-supporting blockquote {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.7;
  margin: 0 0 1rem;
  font-style: normal;
}
.testimonial-supporting .testimonial-author {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
.testimonial-supporting .testimonial-role {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0;
}

/* ═══════════════════════════════════════════════
   Final CTA — white, centered
   ═══════════════════════════════════════════════ */
.final-cta .cta-note {
  color: var(--text-muted);
  margin-top: 1rem;
  font-size: 0.875rem;
}

/* ═══════════════════════════════════════════════
   Scroll reveal
   ═══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-children > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-children.revealed > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-children.revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-children.revealed > *:nth-child(2) { transition-delay: 0.08s; }
.reveal-children.revealed > *:nth-child(3) { transition-delay: 0.16s; }
.reveal-children.revealed > *:nth-child(4) { transition-delay: 0.24s; }
.reveal-children.revealed > *:nth-child(5) { transition-delay: 0.32s; }
.reveal-children.revealed > *:nth-child(6) { transition-delay: 0.4s; }

/* ═══════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hp-grid--compact {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .homepage-hero {
    min-height: auto;
    padding: 6rem 1rem 4rem;
  }
  .homepage-hero .hero-subtitle {
    font-size: 1.125rem;
  }
  .hp-section {
    padding: 4rem 1rem;
  }
  .hp-section .section-title {
    font-size: 2rem;
  }
  .hp-grid,
  .hp-grid--featured,
  .hp-grid--compact,
  .transform-list,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-asymmetric {
    grid-template-columns: 1fr;
  }
  .final-cta {
    padding: 4rem 1rem;
  }
  .final-cta h2 {
    font-size: 2rem;
  }
}