/* contact.css - Trang Liên Hệ - Cobalt Prime Design */

/* ============================================================
   PAGE HERO BANNER
   ============================================================ */
.contact-hero {
  background: linear-gradient(135deg, #0b0f19 0%, #0f172a 50%, #1a0a1e 100%);
  padding: 120px 0 60px;
  position: relative;
  overflow: hidden;
}

.contact-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(255, 70, 100, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 60%, rgba(22, 136, 212, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.contact-hero-inner {
  position: relative;
  z-index: 1;
}

.contact-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 70, 100, 0.12);
  border: 1px solid rgba(255, 70, 100, 0.3);
  color: #ff8099;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.contact-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.contact-hero-title span {
  background: linear-gradient(135deg, var(--primary), #ff8aaa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-hero-subtitle {
  color: #e2e8f0;
  font-size: 1.05rem;
  max-width: 600px;
  line-height: 1.6;
}

/* ============================================================
   MAIN CONTENT SECTION (2-COLUMNS)
   ============================================================ */
.contact-section {
  padding: 80px 0;
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(ellipse at bottom left, rgba(22, 136, 212, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at top right, rgba(255, 70, 100, 0.03) 0%, transparent 50%);
}

/* Left Column: Contact info & Maps */
.contact-info-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.contact-info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 70, 100, 0.2);
  box-shadow: var(--shadow-md);
}

.contact-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-xs);
  background: rgba(255, 70, 100, 0.06);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.contact-info-card:hover .contact-icon-box {
  background: var(--primary);
  color: #ffffff;
}

.contact-info-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.contact-info-text p,
.contact-info-text a {
  font-size: 0.92rem;
  color: var(--text-main);
  margin: 0;
}

.contact-info-text a:hover {
  color: var(--primary);
}

/* Social block */
.contact-social-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.contact-social-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 16px;
}

.contact-social-row {
  display: flex;
  gap: 12px;
}

.contact-social-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all 0.2s ease;
}

.contact-social-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* Map Container */
.map-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.map-container iframe {
  width: 100%;
  height: 250px;
  border: 0;
  border-radius: var(--radius-xs);
  display: block;
  /* Dark / premium gray map look */
  filter: grayscale(0.5) invert(0.08) contrast(1.1);
}

/* Right Column: Form card */
.contact-form-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
}

.contact-form-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.contact-form-desc {
  color: #475569;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 32px;
}

.contact-form .form-label,
.contact-form-card .form-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 8px;
}

.contact-form .form-control,
.contact-form .form-select,
.contact-form-card .form-control,
.contact-form-card .form-select {
  height: 48px;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-xs);
  font-size: 0.95rem;
  font-weight: 500;
  color: #0f172a;
  background-color: #ffffff;
  padding: 0 16px;
  transition: all 0.2s ease;
}

.contact-form .form-control::placeholder,
.contact-form textarea.form-control::placeholder,
.contact-form-card .form-control::placeholder,
.contact-form-card textarea.form-control::placeholder {
  color: #64748b;
  font-weight: 400;
}

.contact-form textarea.form-control,
.contact-form-card textarea.form-control {
  height: auto;
  padding: 12px 16px;
}

.contact-form .form-control:focus,
.contact-form .form-select:focus,
.contact-form-card .form-control:focus,
.contact-form-card .form-select:focus {
  background-color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 70, 100, 0.2);
  outline: none;
}

.contact-form .btn-submit-contact,
.contact-form-card .btn-submit-contact,
.contact-form-card input[type="submit"] {
  height: 52px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-glow);
  width: 100%;
  margin-top: 12px;
  border-radius: var(--radius-xs);
}

.contact-form-alert {
  display: none;
  margin-top: 20px;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 991px) {
  .contact-form-card {
    padding: 30px;
    margin-top: 40px;
  }
}

@media (max-width: 576px) {
  .contact-form-card {
    padding: 24px 20px;
  }
}