/* ── Header de página ── */
.page-hero {
  padding-top: calc(var(--sp-section) + 60px);
  padding-bottom: var(--sp-5);
  background-image:
    linear-gradient(rgba(133, 158, 160, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(133, 158, 160, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero h1 {
  font-size: var(--fs-hero);
  margin-block: var(--sp-2) var(--sp-3);
  animation: heroIn 0.9s ease both;
}

.page-hero .tag { animation: heroIn 0.9s ease both; }

.page-hero-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 60ch;
  animation: heroIn 0.9s 0.15s ease both;
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(30px); filter: blur(8px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.accent-text {
  background: linear-gradient(90deg, var(--electric), #4DA3FF, var(--electric));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s linear infinite;
}

@keyframes gradientShift {
  to { background-position: 200% center; }
}

/* ── Layout de dos columnas ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-5);
  align-items: start;
}

.contact-channels h2,
.contact-form-wrap h2 {
  font-size: var(--fs-h2);
  margin-bottom: var(--sp-3);
}

/* ── Cards de canal ── */
.channel-card {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-2);
  transition: border-color var(--transition), transform var(--transition);
}

.channel-card:not(.static):hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.channel-icon {
  font-size: 1.6rem;
}

.channel-card h3 {
  font-size: 1rem;
}

.channel-card p {
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

/* ── Nota de proceso ── */
.contact-note {
  margin-top: var(--sp-3);
  padding: var(--sp-3);
  background: rgba(0, 102, 255, 0.07);
  border-left: 3px solid var(--electric);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.contact-note p {
  margin-bottom: var(--sp-1);
}

.contact-note ol {
  list-style: decimal;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
}

.contact-note li {
  font-size: var(--fs-small);
  color: var(--text-secondary);
}

/* ── Formulario ── */
#contact-form {
  display: grid;
  gap: var(--sp-3);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
}

.form-group {
  display: grid;
  gap: 0.4rem;
}

.form-group label {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--mist);
  opacity: 0.5;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
}

/* Estado de error */
.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #FF4D4D;
}

.form-error {
  font-size: 0.75rem;
  color: #FF6B6B;
  min-height: 1em;
}

.form-submit {
  justify-content: center;
}

.form-status