/* ======================
   GIVING BACK PAGE
   Dark-first design system for the /giving-back/ page.
   BEM naming: .giving-back-page__[element]--[modifier]
   Mirrors our-brands.css. Cause cards are not links, so they carry
   no hover lift - only the accent hairline that our-brands uses.
   ====================== */

/* ======================
   HERO SECTION
   ====================== */

.giving-back-page__hero {
  padding-block: var(--space-3xl) var(--space-2xl);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-raised) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.giving-back-page__hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 25%;
  right: 25%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.4;
}

.giving-back-page__hero-label {
  display: inline-block;
  font-family: var(--font-mono, monospace);
  font-size: var(--text-caption);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.giving-back-page__title {
  font-family: var(--font-sans);
  font-size: var(--text-h1);
  font-weight: var(--weight-bold);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-h1);
  color: var(--color-text-bright);
  max-width: 20ch;
  margin-inline: auto;
  margin-bottom: var(--space-md);
}

.giving-back-page__subtitle {
  font-size: var(--text-body-lg);
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
  max-width: var(--text-max-width);
  margin-inline: auto;
}

@media (min-width: 768px) {
  .giving-back-page__hero {
    padding-block: var(--space-4xl) var(--space-3xl);
  }
}

/* ======================
   PROSE SECTIONS
   ====================== */

.giving-back-page__prose {
  padding-block: var(--space-2xl);
  background-color: var(--color-bg-raised);
}

.giving-back-page__prose .container {
  max-width: var(--text-max-width);
}

.giving-back-page__section-title {
  font-family: var(--font-sans);
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-h2);
  color: var(--color-text-bright);
  margin-bottom: var(--space-md);
}

.giving-back-page__prose p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.giving-back-page__prose p:last-child {
  margin-bottom: 0;
}

.giving-back-page__list {
  display: grid;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
  list-style: none;
}

.giving-back-page__list li {
  position: relative;
  padding-inline-start: var(--space-lg);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
}

.giving-back-page__list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: var(--shadow-glow-orange);
}

.giving-back-page__list strong {
  color: var(--color-text-bright);
  font-weight: var(--weight-semibold);
}

.giving-back-page__list a {
  color: var(--color-primary);
  text-underline-offset: 0.2em;
}

.giving-back-page__list a:hover {
  color: var(--color-primary-hover, var(--color-primary));
}

/* ======================
   CAUSE CARDS GRID
   ====================== */

.giving-back-page__causes {
  padding-block: var(--space-2xl);
  background-color: var(--color-bg);
}

.giving-back-page__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .giving-back-page__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.giving-back-page__card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Accent hairline along the top edge, tinted per modifier. */
.giving-back-page__card::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cause-accent), transparent);
  opacity: 0.7;
}

.giving-back-page__card--primary {
  --cause-accent: var(--color-primary);
  --cause-accent-subtle: var(--color-primary-subtle);
}

.giving-back-page__card--accent {
  --cause-accent: var(--color-accent);
  --cause-accent-subtle: var(--color-accent-subtle);
}

.giving-back-page__card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-xs);
  font-size: 1.5rem;
  line-height: 1;
  background-color: var(--cause-accent-subtle);
  border: 1px solid var(--cause-accent);
  border-radius: var(--radius-md);
}

.giving-back-page__card-title {
  font-family: var(--font-sans);
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-heading);
  color: var(--color-text-bright);
  margin: 0;
}

.giving-back-page__card-desc {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
  margin: 0;
}

/* ======================
   CLOSING CALLOUT
   ====================== */

.giving-back-page__callout {
  padding-block: var(--space-2xl);
  background-color: var(--color-bg);
  text-align: center;
}

.giving-back-page__callout .container {
  max-width: var(--text-max-width);
}

.giving-back-page__callout-inner {
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
}

.giving-back-page__callout-title {
  font-family: var(--font-sans);
  font-size: var(--text-h2);
  font-weight: var(--weight-bold);
  line-height: var(--leading-heading);
  color: var(--color-text-bright);
  margin-bottom: var(--space-sm);
}

.giving-back-page__callout-text {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.giving-back-page__callout-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  min-height: 44px;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-accent);
  color: var(--color-on-accent, #0A0E1A);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.giving-back-page__callout-cta:hover {
  background-color: var(--color-accent-hover);
}

.giving-back-page__callout-cta:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-primary);
  outline-offset: var(--focus-ring-offset);
}