/* ============================================
   DEALERSURFACE — How It Works Page Styles
   ============================================ */

/* ---- HIW HERO ---- */

.hiw-hero {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-divider);
  text-align: center;
}

.hiw-hero__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.hiw-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.hiw-hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.hiw-hero__sub em {
  font-style: italic;
  color: var(--color-text);
}

/* ---- HIW INTRO BOX ---- */

.hiw-intro__box {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--color-primary);
  border-radius: var(--radius-2xl);
  color: white;
}

.hiw-intro__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  color: white;
}

.hiw-intro__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: white;
  margin-bottom: var(--space-2);
}

.hiw-intro__desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

@media (max-width: 640px) {
  .hiw-intro__box { flex-direction: column; }
}

/* ---- HIW PILLARS ---- */

.hiw-pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hiw-pillar {
  padding: var(--space-6) var(--space-7);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.hiw-pillar__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.hiw-pillar__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
}

.hiw-pillar__icon--blue { background: var(--color-grade-b-bg); color: var(--color-grade-b); }
.hiw-pillar__icon--red  { background: var(--color-grade-d-bg); color: var(--color-grade-d); }
.hiw-pillar__icon--green { background: var(--color-grade-a-plus-bg); color: var(--color-grade-a-plus); }
.hiw-pillar__icon--purple {
  background: color-mix(in srgb, #7c3aed 12%, transparent);
  color: #7c3aed;
}

.hiw-pillar__name {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
}

.hiw-pillar__weight {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hiw-pillar__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}

.hiw-pillar__formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.formula-item {
  padding: var(--space-1) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
}

.formula-item--start {
  background: var(--color-primary-highlight);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.formula-item--result {
  background: var(--color-accent-highlight);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.formula-op {
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* ---- CONFIDENCE NOTE ---- */

.confidence-note {
  padding: var(--space-4) var(--space-5);
  background: var(--color-accent-highlight);
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.confidence-note strong {
  color: var(--color-accent);
}

/* ---- FAQ ---- */

.faq-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

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

.faq-item:last-child {
  border-bottom: none;
}

.faq-q {
  width: 100%;
  text-align: left;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  line-height: 1.4;
}

.faq-q::after {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--transition-interactive);
}

.faq-q[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.faq-q:hover {
  background: var(--color-surface-offset);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  padding: 0 var(--space-6);
  background: var(--color-surface-2);
}

.faq-a.is-open {
  max-height: 400px;
  padding: var(--space-5) var(--space-6);
}

/* ---- HIW CTA ---- */

.hiw-cta {
  text-align: center;
  padding: clamp(var(--space-12), 6vw, var(--space-20));
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.hiw-cta__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.hiw-cta__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  line-height: 1.6;
}

/* ============================================
   ANTI-GAMING SECTION
   ============================================ */

.anti-gaming-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.anti-gaming-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.anti-gaming-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.anti-gaming-card__icon--blue   { background: color-mix(in srgb, #2563eb 15%, transparent); color: #2563eb; }
.anti-gaming-card__icon--green  { background: var(--color-grade-a-plus-bg); color: var(--color-grade-a-plus); }
.anti-gaming-card__icon--amber  { background: var(--color-grade-c-bg); color: var(--color-grade-c); }
.anti-gaming-card__icon--navy   { background: color-mix(in srgb, #1a3c6e 15%, transparent); color: #1a3c6e; }
.anti-gaming-card__icon--red    { background: var(--color-grade-d-bg); color: var(--color-grade-d); }
.anti-gaming-card__icon--purple { background: color-mix(in srgb, #7c3aed 15%, transparent); color: #7c3aed; }

.anti-gaming-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.anti-gaming-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.anti-gaming-card__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  padding: 3px var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-divider);
  align-self: flex-start;
}

.anti-gaming-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.anti-gaming-note svg { flex-shrink: 0; margin-top: 2px; }

@media (max-width: 900px) {
  .anti-gaming-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .anti-gaming-grid { grid-template-columns: 1fr; }
}