/* ========================================
   HOW IT WORKS: TIMELINE
   ======================================== */
.timeline { max-width: var(--width-narrow); }

.timeline-step {
  position: relative;
  padding-left: var(--space-2xl);
  padding-bottom: var(--space-xl);
}

.timeline-step::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 24px;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline-step:last-child::before { display: none; }
.timeline-step:last-child { padding-bottom: 0; }

.timeline-step__marker {
  position: absolute;
  left: 0;
  top: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-accent);
}

.timeline-step__title { font-size: 17px; font-weight: 600; margin-bottom: var(--space-xs); }
.timeline-step__desc { font-size: 15px; color: var(--color-text-secondary); line-height: 1.6; }

/* ========================================
   HOW IT WORKS: REVISION COLUMNS
   ======================================== */
.revision-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: var(--width-narrow);
  margin-bottom: var(--space-lg);
}

.revision-col {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
}

.revision-col h3 { font-size: 16px; margin-bottom: var(--space-md); }

.revision-col__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.revision-col__desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.revision-col__list { display: flex; flex-direction: column; gap: var(--space-sm); }

.revision-col__item {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  padding-left: var(--space-lg);
  position: relative;
}

.revision-col__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}

/* ========================================
   HOW IT WORKS: TURNAROUND TABLE
   ======================================== */
.turnaround-table {
  width: 100%;
  max-width: var(--width-narrow);
  border-collapse: collapse;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.turnaround-table th {
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 2px solid var(--color-border);
  background: var(--color-bg);
}

.turnaround-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.turnaround-table tr:last-child td { border-bottom: none; }
.turnaround-table td:last-child { font-family: var(--font-mono); font-size: 14px; color: var(--color-text-secondary); }

/* ========================================
   HOW IT WORKS: PAYMENT LIST
   ======================================== */
.payment-list { display: flex; flex-direction: column; gap: var(--space-sm); margin-top: var(--space-md); }

.payment-list__item {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  padding-left: var(--space-lg);
  position: relative;
}

.payment-list__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--color-accent);
}

/* ========================================
   HOW IT WORKS: FAQ ACCORDION
   ======================================== */
.faq-list { max-width: var(--width-narrow); }

.faq-item {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-bottom: -1px;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  color: var(--color-text);
  background: var(--color-surface);
  transition: background-color 0.15s ease;
}

.faq-question:hover { background: var(--color-bg); }

.faq-question__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: var(--space-md);
  color: var(--color-text-secondary);
  transition: transform 0.2s ease;
}

.faq-item[data-open="true"] .faq-question__icon { transform: rotate(45deg); }

.faq-answer { display: none; padding: 0 var(--space-lg) var(--space-lg); }
.faq-item[data-open="true"] .faq-answer { display: block; }
.faq-answer p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.6; }

/* ========================================
   HOW IT WORKS: DOCUMENT LINKS
   ======================================== */
.doc-links { display: flex; gap: var(--space-lg); flex-wrap: wrap; }

.doc-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  transition: border-color 0.15s ease;
  cursor: pointer;
}

.doc-link:hover, .doc-link:focus-visible { border-color: var(--color-accent); }
.doc-link__icon { width: 20px; height: 20px; color: var(--color-accent); flex-shrink: 0; }
.doc-link__text { font-size: 14px; font-weight: 500; }
.doc-link__sub { font-size: 12px; color: var(--color-text-secondary); }

/* ========================================
   RESPONSIVE: MOBILE
   ======================================== */
@media (max-width: 767px) {
  .revision-columns { grid-template-columns: 1fr; }
  .turnaround-table th, .turnaround-table td { padding: var(--space-sm) var(--space-md); }
  .doc-links { flex-direction: column; }
}