/* ================================
   Building Cost Guide Page Styles
   ================================ */

.section--guide {
  padding-top: var(--space-xl);
}

/* Jump nav — 5-col at desktop */
.guide-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 640px) {
  .guide-nav {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .guide-nav {
    grid-template-columns: repeat(5, 1fr);
  }
}

.guide-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  gap: var(--space-sm);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  line-height: 1.3;
}

.guide-nav__item:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
  text-decoration: none;
}

.guide-nav__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: background-color 0.2s, color 0.2s;
}

.guide-nav__item:hover .guide-nav__icon {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

/* Individual cost sections */
.cost-section {
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0;
  scroll-margin-top: var(--space-3xl);
}

.cost-section:first-of-type {
  border-top: none;
}

.cost-section__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.cost-section__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background-color: var(--color-primary);
  color: var(--color-accent);
  flex-shrink: 0;
}

.cost-section__heading {
  flex: 1;
  min-width: 200px;
}

.cost-section__heading h2 {
  font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-2xl));
  color: var(--color-primary);
  margin: 0 0 var(--space-xs);
  line-height: 1.2;
}

.cost-range-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.cost-section__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 900px) {
  .cost-section__body {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.cost-section__intro {
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.cost-section__intro p + p {
  margin-top: var(--space-md);
}

/* Cost breakdown table */
.cost-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
}

.cost-table thead {
  background: var(--color-primary);
  color: var(--color-bg-white);
}

.cost-table thead th {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cost-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-white);
  transition: background 0.15s;
}

.cost-table tbody tr:last-child {
  border-bottom: none;
}

.cost-table tbody tr:hover {
  background: var(--color-bg-light);
}

.cost-table tbody td {
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-dark);
  line-height: 1.4;
}

.cost-table tbody td:first-child {
  font-weight: var(--font-weight-medium);
}

.cost-table tbody td:not(:first-child) {
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

/* What affects cost list */
.cost-factors {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
}

.cost-factors h3 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.cost-factors ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.cost-factors ul li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.cost-factors ul li::before {
  content: "↑";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xs);
  top: 2px;
}

.cost-factors__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 1px;
  transition: color 0.2s;
}

.cost-factors__cta:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* Disclaimer at top */
.guide-disclaimer {
  background: var(--color-bg-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  margin-bottom: var(--space-3xl);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.guide-disclaimer strong {
  color: var(--color-text-dark);
}

/* FAQ section */
.faq-section {
  background: var(--color-bg-light);
  padding: var(--space-3xl) 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 800px;
}

.faq-item {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.faq-item h3 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.faq-item p {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.6;
  margin: 0;
}