/* ============================================================
   Contact
   ============================================================ */

.contact {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  align-items: start;
}

@media (min-width: 880px) {
  .contact {
    grid-template-columns: 1.4fr 1fr;
    gap: 4rem;
    align-items: end;
  }
}

.contact h2 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.95;
  margin-bottom: 1rem;
}

.contact h2 em {
  font-style: italic;
  color: var(--signal);
}

.contact > div:first-child p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 32rem;
  margin-bottom: 1rem;
}

.contact-card {
  display: grid;
  gap: 0.6rem;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: "→ available";
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.contact-card .btn {
  justify-content: space-between;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  padding: 3rem 0 4rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Back to top */
.to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  border: 1px solid var(--rule-strong);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s linear, background 0.3s linear, color 0.3s linear, transform 0.3s var(--ease-spring);
  z-index: 40;
}

.to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.to-top:hover {
  background: var(--signal);
  color: var(--text-on-signal);
  border-color: var(--signal);
  transform: translateY(-4px);
}

/* ============================================================
   Reveal animations
   ============================================================ */

/* legacy .reveal class — removed; use [data-scroll] instead. */
.__reveal-legacy {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.55s var(--ease-out),
    transform 0.55s var(--ease-out);
  transition-delay: var(--stagger, 0s);
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Click ripple
   ============================================================ */

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 77, 31, 0.35);
  transform: scale(0);
  animation: ripple 0.7s var(--ease-out);
  pointer-events: none;
}

@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}

/* ============================================================
   Section number marquee labels
   ============================================================ */

.section-marker {
  position: absolute;
  top: -1.4rem;
  right: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--rule-strong);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}