/* =============================================================================
   lib/styles/pages/how_it_works_page.css — Total Solutions Methodology Page
   ============================================================================= */

.how-it-works-page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-background-alt, #f4f5f7);
}

.how-it-works-page__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-16, 4rem);
}

/* --- Intro Section --- */
.how-it-works-page__intro-section {
  max-width: 60rem;
  margin: 0 auto;
  padding: var(--space-10, 2.5rem);
  background: var(--color-surface-primary, #ffffff);
  border: 1px solid var(--color-border-default, #e2e4e8);
  border-radius: var(--radius-xl, 1rem);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(15, 41, 74, 0.06));
  text-align: center;
}

.how-it-works-page__section-title {
  margin: 0;
  font-family: var(--font-heading, 'Inter', 'Roboto', sans-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: var(--font-weight-bold, 700);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-brand-trust-navy, #0f294a);
  text-align: center;
}

.how-it-works-page__intro-text {
  margin: var(--space-5, 1.25rem) auto 0;
  max-width: 70ch;
  font-family: var(--font-body, 'Inter', 'Roboto', sans-serif);
  font-size: var(--font-size-body-lg, 1.125rem);
  color: var(--color-text-secondary, #4a4d55);
  line-height: 1.75;
}

/* --- Process Timeline Section overrides for inner context --- */
.process-timeline {
  padding: 0;
  background: transparent;
}

.process-timeline__header {
  max-width: 48rem;
  margin: 0 auto var(--space-8, 2rem);
  text-align: center;
}

.process-timeline__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6, 1.5rem);
  align-items: stretch;
  position: relative;
}

.process-timeline__step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-5, 1.25rem);
  min-height: 100%;
  padding: var(--space-8, 2rem);
  background-color: var(--color-surface-primary, #ffffff);
  border: 1px solid var(--color-border-default, #e2e4e8);
  border-radius: var(--radius-xl, 1rem);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(15, 41, 74, 0.06));
  transition:
    transform var(--motion-duration-medium, 300ms) var(--motion-ease-out, ease-out),
    box-shadow var(--motion-duration-medium, 300ms) var(--motion-ease-out, ease-out),
    border-color var(--motion-duration-medium, 300ms) var(--motion-ease-out, ease-out);
  z-index: 2;
  overflow: hidden;
}

.process-timeline__step::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(
    180deg,
    var(--color-primary, #0056d2) 0%,
    var(--color-secondary, #2a4b7c) 100%
  );
}

.process-timeline__step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md, 0 8px 24px rgba(15, 41, 74, 0.08));
  border-color: var(--color-border-strong, #cfd4dc);
}

.process-timeline__step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4, 1rem);
}

.process-timeline__step-num {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-pill, 9999px);
  background-color: var(--color-primary, #0056d2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading, 'Inter', 'Roboto', sans-serif);
  font-size: var(--font-size-body, 1rem);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text-inverse, #ffffff);
  flex-shrink: 0;
}

.process-timeline__step-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-lg, 0.75rem);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 86, 210, 0.08);
  color: var(--color-primary, #0056d2);
  font-size: 1.125rem;
  flex-shrink: 0;
}

.process-timeline__step-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 0.75rem);
}

.process-timeline__step-title {
  margin: 0;
  font-family: var(--font-heading, 'Inter', 'Roboto', sans-serif);
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold, 600);
  line-height: 1.3;
  color: var(--color-brand-trust-navy, #0f294a);
}

.process-timeline__step-description {
  margin: 0;
  font-family: var(--font-body, 'Inter', 'Roboto', sans-serif);
  font-size: var(--font-size-body, 1rem);
  color: var(--color-text-secondary, #4a4d55);
  line-height: 1.7;
}

/* Connector lines desktop only */
@media (min-width: 1200px) {
  .process-timeline__step--has-connector::after {
    content: '';
    position: absolute;
    top: 3.1rem;
    right: -1.55rem;
    width: 1.55rem;
    height: 2px;
    background-color: var(--color-border-default, #e2e4e8);
    z-index: 1;
  }
}

/* --- FAQ Section --- */
.how-it-works-page__faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-8, 2rem);
  margin-top: 0;
  padding: var(--space-10, 2.5rem);
  background: var(--color-surface-primary, #ffffff);
  border: 1px solid var(--color-border-default, #e2e4e8);
  border-radius: var(--radius-xl, 1rem);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(15, 41, 74, 0.06));
}

.how-it-works-page__faq-header {
  max-width: 42rem;
  margin: 0 auto;
}

.how-it-works-page__faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4, 1rem);
  max-width: 52rem;
  margin: 0 auto;
  width: 100%;
}

.how-it-works-page__faq-item {
  padding: var(--space-6, 1.5rem);
  border: 1px solid var(--color-border-default, #e2e4e8);
  border-radius: var(--radius-lg, 0.75rem);
  background: var(--color-surface-secondary, #f8f9fb);
  transition:
    background-color var(--motion-duration-fast, 200ms) var(--motion-ease-out, ease-out),
    border-color var(--motion-duration-fast, 200ms) var(--motion-ease-out, ease-out),
    box-shadow var(--motion-duration-fast, 200ms) var(--motion-ease-out, ease-out);
}

.how-it-works-page__faq-item:hover {
  background: var(--color-surface-primary, #ffffff);
  border-color: var(--color-border-strong, #cfd4dc);
  box-shadow: var(--shadow-sm, 0 1px 2px rgba(15, 41, 74, 0.06));
}

.how-it-works-page__faq-item-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4, 1rem);
}

.how-it-works-page__faq-question {
  margin: 0;
  font-family: var(--font-heading, 'Inter', 'Roboto', sans-serif);
  font-size: 1.125rem;
  font-weight: var(--font-weight-semibold, 600);
  line-height: 1.45;
  color: var(--color-text-primary, #1a1c20);
}

.how-it-works-page__faq-icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill, 9999px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 86, 210, 0.08);
  color: var(--color-primary, #0056d2);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.how-it-works-page__faq-answer {
  margin: var(--space-3, 0.75rem) 0 0 0;
  font-family: var(--font-body, 'Inter', 'Roboto', sans-serif);
  font-size: var(--font-size-body, 1rem);
  color: var(--color-text-secondary, #4a4d55);
  line-height: 1.7;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .how-it-works-page__body {
    gap: var(--space-12, 3rem);
  }

  .how-it-works-page__intro-section,
  .how-it-works-page__faq {
    padding: var(--space-6, 1.5rem);
  }

  .process-timeline__step {
    padding: var(--space-6, 1.5rem);
  }

  .how-it-works-page__section-title {
    font-size: clamp(1.5rem, 7vw, 2rem);
  }

  .how-it-works-page__intro-text,
  .process-timeline__step-description,
  .how-it-works-page__faq-answer {
    font-size: var(--font-size-body, 1rem);
  }

  .how-it-works-page__faq-question {
    font-size: 1rem;
  }
}

/* =========================================================================
   Choreographed Load Sequences (ScrollReveal Integration for Custom Blocks)
   ========================================================================= */

@media (prefers-reduced-motion: no-preference) {
  /* Intro Block Stagger */
  .how-it-works-page__intro-section > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out),
                transform var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out);
  }

  .is-visible.how-it-works-page__intro-section > *,
  .is-visible .how-it-works-page__intro-section > * {
    opacity: 1;
    transform: translateY(0);
  }

  .is-visible .how-it-works-page__intro-section > :nth-child(1) { transition-delay: 0.1s; }
  .is-visible .how-it-works-page__intro-section > :nth-child(2) { transition-delay: 0.25s; }


  /* FAQ List Stagger */
  .how-it-works-page__faq-header,
  .how-it-works-page__faq-list > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out),
                transform var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out);
  }

  .is-visible .how-it-works-page__faq-header {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
  }

  .is-visible .how-it-works-page__faq-list > * {
    opacity: 1;
    transform: translateY(0);
  }

  .is-visible .how-it-works-page__faq-list > :nth-child(1) { transition-delay: 0.2s; }
  .is-visible .how-it-works-page__faq-list > :nth-child(2) { transition-delay: 0.3s; }
  .is-visible .how-it-works-page__faq-list > :nth-child(3) { transition-delay: 0.4s; }
  .is-visible .how-it-works-page__faq-list > :nth-child(4) { transition-delay: 0.5s; }
  .is-visible .how-it-works-page__faq-list > :nth-child(n+5) { transition-delay: 0.6s; } /* Fallback */
}