/* CLASS CHUNG */
.sec-padding { padding: 60px 0; }
.bg-light { background-color: #f8f9fa; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.text-center { text-align: center; }

.sec-title { color: #042588; font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; }
.sec-subtitle { color: #666; font-size: 0.95rem; margin-top: 10px; }
.title-line { width: 50px; height: 3px; background: #ff5722; margin-bottom: 15px; }
.title-line.center { margin-left: auto; margin-right: auto; }
.contact-page .hero-banner {
  position: relative;
  height: 50vh;
  min-height: 500px;
  background-position:center center;
  background-size: cover;
  background-attachment:fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
}
.contact-page .hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(4, 37, 136, 0.65);
}

.contact-page .hero-content {
  position: relative;
  z-index: 5;
}

.contact-page .hero-content h1 {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}
.hero-title { font-size: 2.3rem; font-weight: 700; margin-bottom: 10px; }
.hero-desc { font-size: 1.05rem; opacity: 0.9; max-width: 680px; margin: 0 auto; }

/* GRID VĂN PHÒNG CHI NHÁNH */
.office-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 35px;
}
.office-card {
  background: #fff;
  border-radius: 8px;
  padding: 25px;
  border: 1px solid #eef0f5;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  position: relative;
  transition: transform 0.3s ease;
}
.office-card:hover { transform: translateY(-5px); }
.office-card.main-office { border: 2px solid #042588; }
.office-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: #042588;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 12px;
  text-transform: uppercase;
}
.office-name { font-size: 1.2rem; color: #042588; margin-bottom: 18px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.office-name i { color: #ff5722; }

.office-info-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.office-info-list li { display: flex; gap: 12px; font-size: 0.9rem; color: #444; line-height: 1.4; }
.office-info-list li i { color: #ff5722; font-size: 1rem; margin-top: 2px; flex-shrink: 0; }

/* MAIN GRID FORM + MAP */
.contact-main-grid {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 40px;
  align-items: start;
}

/* FORM WRAPPER */
.contact-form-wrapper { background: #fff; padding: 30px; border-radius: 8px; border: 1px solid #eee; box-shadow: 0 4px 15px rgba(0,0,0,0.04); }
.form-title { font-size: 1.35rem; color: #042588; font-weight: 700; margin-bottom: 8px; }
.form-desc { font-size: 0.9rem; color: #666; margin-bottom: 22px; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: flex; }
.form-row.gap-15 { gap: 15px; }
.form-group { flex: 1; }

.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 0.92rem;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: #042588; }

.btn-submit {
  background: #ff5722;
  color: #fff;
  padding: 13px 25px;
  border-radius: 6px;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-submit:hover { background: #e0481d; }

/* MAP & EMERGENCY CARD */
.map-box { border-radius: 8px; overflow: hidden; border: 1px solid #ddd; margin-bottom: 20px; }
.emergency-support-card {
  background: linear-gradient(135deg, #042588, #0a3bbd);
  color: #fff;
  border-radius: 8px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.support-icon { font-size: 2.2rem; color: #ff5722; }
.support-info h4 { font-size: 1rem; margin-bottom: 4px; font-weight: 700; }
.support-info p { font-size: 0.82rem; opacity: 0.88; margin-bottom: 8px; }
.hotline-link { font-size: 1.25rem; font-weight: 700; color: #ff5722; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.hotline-link:hover { text-decoration: underline; color: #fff; }

/* RESPONSIVE */
@media (max-width: 992px) {
  .office-grid { grid-template-columns: 1fr; }
  .contact-main-grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  .form-row.gap-15 { flex-direction: column; gap: 16px; }
  .contact-page .hero-content h1 {font-size: 2.4rem;}
}