/* ==========================================================================
   contact.css — Contact section + footer
   3-column grid: GitHub | LinkedIn | Email — one link per column.
   Hover panel: orange band expands from vertical centre over each link item.
   ========================================================================== */

.contact {
  position: relative;
  padding: var(--space-4xl) 0 var(--space-3xl);
  background: var(--color-bg);
  overflow: hidden;
}

.contact-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--content-gutter);
}

.contact-label {
  display: block;
  font-family: var(--font-mono);
  /* minhpham section labels (.body-text uppercase) are 0.875rem (14px) — was 11px. */
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-3xl);
}

/* === 3-column grid — GitHub | LinkedIn | Email === */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2xl);
  align-items: start;
}

/* === Social link columns === */
.contact-col {
  display: flex;
  flex-direction: column;
}

/* === Single link item === */
.contact-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.18em 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 1.8vw, 34px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--color-text);
  overflow: hidden;
  isolation: isolate;
  cursor: pointer;
}

/* Small orange chevron before each link */
.contact-link-icon {
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 0.28em solid transparent;
  border-bottom: 0.28em solid transparent;
  border-left: 0.35em solid var(--color-accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  margin-top: 0.05em;
}

.contact-link-text {
  position: relative;
  z-index: 1;
}

/* === Accent layer — orange band, clip-revealed from centre on hover === */
.contact-link-accent {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.18em 0;
  background-color: var(--color-accent);
  color: var(--color-bg);
  z-index: 3;
  clip-path: inset(50% 0 50% 0);
  will-change: clip-path;
  pointer-events: none;
}

.contact-link-accent .contact-link-icon {
  border-left-color: var(--color-bg);
}

/* === Info column (right) — email + phone as single hoverable components === */
.contact-col--info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

/* Stacked link — icon + two-line (label / value) block, same hover panel as social links */
.contact-link--stacked {
  font-size: clamp(14px, 1.3vw, 22px);
  align-items: center;
  padding: 0.45em 0;
}

.contact-link--stacked .contact-link-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.stacked-label {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

.stacked-value {
  font-family: var(--font-mono);
  font-size: 0.62em;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  line-height: 1.4;
}

.contact-link--stacked .contact-link-accent {
  align-items: center;
  padding: 0.45em 0;
  font-size: clamp(14px, 1.3vw, 22px);
}

/* === Footer === */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-top: var(--space-4xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(var(--color-text-rgb), 0.06);
}

/* === Mobile — stack columns vertically, hide accent panels === */
@media (max-width: 768px) {
  .contact {
    padding: var(--space-3xl) 0 var(--space-2xl);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .contact-link-accent {
    display: none;
  }
  .site-footer {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}