/* ===== TRANG LIÊN HỆ ===== */
.contact-hero {
  background: linear-gradient(135deg, #0d2d5e 0%, #1565c0 100%);
  padding: 80px 24px;
  text-align: center;
  color: #fff;
}
.contact-hero__inner { max-width: 640px; margin: 0 auto; }
.contact-hero h1 { font-size: 2.4rem; font-weight: 900; margin-bottom: 14px; }
.contact-hero p { font-size: 1rem; opacity: 0.88; line-height: 1.8; }

.contact-section { padding: 72px 24px; background: #f8fbff; }
.contact-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start;
}

/* Info */
.contact-info h2,
.contact-form-wrap h2 {
  font-size: 1.4rem; font-weight: 800; color: #1a1a2e; margin-bottom: 28px;
}

.contact-info__item {
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 24px;
}

.contact-info__icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: #e8f0fe; color: #1565c0; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.contact-info__icon svg { width: 22px; height: 22px; }

.contact-info__item strong { display: block; font-size: 0.9rem; font-weight: 700; color: #1a1a2e; margin-bottom: 4px; }
.contact-info__item p { font-size: 0.88rem; color: #555; margin: 0; line-height: 1.6; }
.contact-info__item a { color: #1565c0; text-decoration: none; }
.contact-info__item a:hover { text-decoration: underline; }

/* Form */
.contact-form-wrap {
  background: #fff; border-radius: 16px;
  padding: 36px; box-shadow: 0 4px 24px rgba(21,101,192,0.08);
}

.contact-form__row { margin-bottom: 18px; }
.contact-form__row--half { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contact-form label {
  display: block; font-size: 0.85rem; font-weight: 600; color: #333; margin-bottom: 6px;
}
.contact-form label span { color: #e53935; }

.contact-form input,
.contact-form textarea {
  width: 100%; padding: 11px 14px;
  border: 1px solid #dde3ee; border-radius: 8px;
  font-size: 0.92rem; font-family: inherit; outline: none;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: #1565c0; }
.contact-form textarea { resize: vertical; min-height: 120px; }

.contact-form__btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; background: #1565c0; color: #fff;
  border: none; border-radius: 10px; font-size: 0.97rem; font-weight: 700;
  cursor: pointer; transition: background 0.2s, transform 0.15s; width: 100%;
  justify-content: center;
}
.contact-form__btn svg { width: 18px; height: 18px; }
.contact-form__btn:hover { background: #0d47a1; transform: translateY(-1px); }

/* Success */
.contact-success {
  display: flex; align-items: center; gap: 10px;
  background: #e8f5e9; color: #2e7d32; border-radius: 10px;
  padding: 14px 18px; margin-bottom: 20px; font-weight: 600; font-size: 0.92rem;
}
.contact-success svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Admin messages */
.msg-unread td { background: #f0f6ff; font-weight: 600; }
.msg-content { font-size: 0.82rem; color: #666; max-width: 240px; }

@media (max-width: 768px) {
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-form__row--half { grid-template-columns: 1fr; }
  .contact-hero h1 { font-size: 1.8rem; }
}