/** Trang Liên hệ */

.contact-page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.25rem 1.25rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-hero {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
  position: relative;
}

.contact-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 3px;
  background: var(--gold);
}

.contact-hero__eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
}

.contact-hero__title {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 3.4vw, 2.5rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.contact-hero__lead {
  margin: 0;
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
}

.contact-channels {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .contact-channels {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }
}

.contact-channel {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.4rem 1.35rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-elevated);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.contact-channel:hover {
  border-color: rgba(255, 184, 0, 0.45);
  background: linear-gradient(160deg, rgba(255, 184, 0, 0.07), transparent 55%);
  transform: translateY(-2px);
}

.contact-channel__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #1877f2;
  color: #fff;
}

.contact-channel__icon--mail {
  background: rgba(255, 184, 0, 0.14);
  color: var(--gold);
  border: 1px solid rgba(255, 184, 0, 0.28);
}

.contact-channel__body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-channel__label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
}

.contact-channel__value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  word-break: break-word;
}

.contact-channel__hint {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.45;
}

.contact-channel__cta {
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
}

.contact-note {
  padding: 1.35rem 1.4rem;
  border-left: 3px solid rgba(255, 184, 0, 0.45);
  background: rgba(255, 255, 255, 0.02);
}

.contact-note h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.contact-note ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.contact-note li + li {
  margin-top: 0.35rem;
}