/* ==========================================================================
   ThreeStepTech AI — Site-Specific Styles
   Shared styles are in css/variables.css and css/base.css (synced from shared/)
   ========================================================================== */

/* --------------------------------------------------------------------------
   All sections — layer above background
   -------------------------------------------------------------------------- */
.section {
  position: relative;
  z-index: 10;
}

/* --------------------------------------------------------------------------
   Logo Label
   -------------------------------------------------------------------------- */
.logo-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-left: var(--spacing-sm);
  padding: 2px 8px;
  border: 1px solid rgba(var(--color-primary-rgb), 0.3);
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--spacing-lg);
  padding-bottom: 8vh;
  position: relative;
  z-index: 10;
  overflow: hidden;
}

/* Spline 3D Background */
.hero-spline-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-spline-bg spline-viewer {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  --spline-viewer-background: transparent;
}

.hero-spline-overlay {
  display: none;
}

.hero {
  text-align: center;
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: var(--font-size-body);
  color: var(--color-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.9), 0 0 30px rgba(0, 0, 0, 0.6);
}

.hero-cta-group {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.hero-trust {
  font-size: var(--font-size-small);
  color: var(--color-muted);
  opacity: 0.7;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Trust Strip
   -------------------------------------------------------------------------- */
.trust-section {
  position: relative;
  z-index: 20;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.trust-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  max-width: 200px;
}

.trust-icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.trust-label {
  font-size: var(--font-size-small);
  color: var(--color-muted);
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.trust-divider {
  width: 1px;
  height: 40px;
  background: var(--glass-border);
}

/* --------------------------------------------------------------------------
   Utility: text-complementary
   -------------------------------------------------------------------------- */
.text-complementary {
  color: var(--color-complementary);
}

/* --------------------------------------------------------------------------
   Services Grid
   -------------------------------------------------------------------------- */
.services-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.service-card {
  width: calc(33.333% - var(--spacing-lg) * 2 / 3);
}

.service-card {
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--spacing-xl);
  transition: transform var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
}

.service-card:nth-child(even):hover {
  border-color: var(--color-complementary);
  box-shadow: var(--glow-complementary);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sharp);
  margin-bottom: var(--spacing-lg);
}

.service-card:nth-child(even) .service-icon {
  background: rgba(var(--color-complementary-rgb), 0.1);
  color: var(--color-complementary);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.service-card p {
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.service-outcome {
  font-size: 0.8rem;
  color: var(--color-muted);
  opacity: 0.6;
  font-style: italic;
  border-top: 1px solid var(--glass-border);
  padding-top: var(--spacing-sm);
}

.services-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.text-link {
  color: var(--color-muted);
  font-size: var(--font-size-small);
  transition: color var(--transition-fast);
}

.text-link:hover {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Process / How It Works (3 steps)
   -------------------------------------------------------------------------- */
.process-section {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.step-card {
  text-align: center;
  padding: var(--spacing-xl);
}

.step-number {
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 700;
  color: rgba(var(--color-primary-rgb), 0.1);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.step-card:nth-child(2) .step-number {
  color: rgba(var(--color-complementary-rgb), 0.1);
}

.step-icon {
  width: 64px;
  height: 64px;
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin: 0 auto var(--spacing-md);
}

.step-card:nth-child(2) .step-icon {
  background: rgba(var(--color-complementary-rgb), 0.1);
  color: var(--color-complementary);
}

.step-icon svg {
  width: 32px;
  height: 32px;
}

.step-card h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.step-time {
  font-weight: 400;
  font-size: var(--font-size-small);
  color: var(--color-muted);
}

.step-card p {
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: 1.6;
  max-width: 300px;
  margin: 0 auto;
}

.steps-footnote {
  text-align: center;
  color: var(--color-muted);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Outcomes
   -------------------------------------------------------------------------- */
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 800px;
  margin: 0 auto;
}

.outcome-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: var(--spacing-lg);
  transition: border-color var(--transition-medium);
}

.outcome-card:nth-child(odd):hover {
  border-color: rgba(var(--color-primary-rgb), 0.4);
}

.outcome-card:nth-child(even):hover {
  border-color: rgba(var(--color-complementary-rgb), 0.4);
}

.outcome-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.outcome-card:nth-child(even) .outcome-icon {
  color: var(--color-complementary);
}

.outcome-icon svg {
  width: 24px;
  height: 24px;
}

.outcome-card p {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.outcomes-disclaimer {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-style: italic;
  margin-top: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Why ThreeStepTech
   -------------------------------------------------------------------------- */
.why-section {
  position: relative;
  z-index: 10;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.why-card {
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  transition: transform var(--transition-medium), border-color var(--transition-medium);
}

.why-card:hover {
  transform: translateY(-4px);
}

.why-card:nth-child(1):hover {
  border-color: rgba(var(--color-primary-rgb), 0.4);
}

.why-card:nth-child(2):hover {
  border-color: rgba(var(--color-complementary-rgb), 0.4);
}

.why-card:nth-child(3):hover {
  border-color: rgba(var(--color-primary-rgb), 0.4);
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.why-card p {
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: 1.6;
}

.why-crosslink {
  text-align: center;
  margin-top: var(--spacing-xl);
  font-size: var(--font-size-small);
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   FAQ Section
   -------------------------------------------------------------------------- */
.faq-section {
  position: relative;
  z-index: 10;
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  background: var(--glass-bg-light);
  backdrop-filter: var(--glass-blur-light);
  -webkit-backdrop-filter: var(--glass-blur-light);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.faq-item[data-color="purple"].active {
  border-color: rgba(var(--color-complementary-rgb), 0.4);
  box-shadow: 0 0 20px rgba(var(--color-complementary-rgb), 0.15);
}

.faq-item[data-color="green"].active {
  border-color: rgba(var(--color-primary-rgb), 0.4);
  box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.15);
}

.faq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  gap: var(--spacing-md);
}

.faq-header h3 {
  font-size: 1rem;
  font-weight: 500;
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-muted);
  min-width: 24px;
  text-align: center;
  transition: color var(--transition-fast);
}

.faq-item[data-color="purple"] .faq-toggle {
  color: var(--color-complementary);
}

.faq-item[data-color="green"] .faq-toggle {
  color: var(--color-primary);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.faq-item.active .faq-content {
  max-height: 300px;
  padding: 0 var(--spacing-lg) var(--spacing-md);
}

.faq-content p {
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Intake Form Section
   -------------------------------------------------------------------------- */
.intake-section {
  background-color: var(--color-background);
  position: relative;
  z-index: 100;
}

.intake-content {
  max-width: 640px;
  margin: 0 auto;
}

.intake-form-container {
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-note {
  text-align: center;
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: 0.8rem;
}

/* Form success/error states */
.form-success {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.form-success .success-icon {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
  margin: 0 auto var(--spacing-md);
}

.form-success .success-icon svg {
  width: 64px;
  height: 64px;
}

.form-success h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

.form-success p {
  color: var(--color-muted);
  font-size: var(--font-size-body);
}

.form-error {
  text-align: center;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 12px;
}

.form-error p {
  color: #f87171;
  font-size: var(--font-size-small);
}

.form-error a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Scroll animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .services-grid {
    max-width: 450px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
  }

  .service-card {
    width: 100%;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin: 0 auto;
  }

  .why-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
  }

  .outcomes-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
  }
}

@media (max-width: 768px) {
  .hero-spline-bg spline-viewer {
    transform: scale(1.3);
    transform-origin: center 35%;
  }

  .trust-container {
    flex-wrap: wrap;
    gap: var(--spacing-lg);
  }

  .trust-divider {
    display: none;
  }

  .trust-item {
    width: 45%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .process-section {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}