/* ========================================================
   MegaEdu.ai - Contact Us Stylesheet (contact_us.css)
   Clean, Modern, Bootstrap 5 Compatible, Zero Inline CSS
   ======================================================== */

:root {
  --contact-primary: #057cd4;
  --contact-primary-dark: #0056b3;
  --contact-primary-light: #e8f4fc;
  --contact-gradient: linear-gradient(135deg, #057cd4 0%, #2563eb 100%);
  --contact-gradient-accent: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --contact-text-dark: #1e293b;
  --contact-text-muted: #64748b;
  --contact-border: #e2e8f0;
  --contact-card-bg: #ffffff;
  --contact-highlight-bg: #f8fafc;
  --contact-radius: 18px;
  --contact-shadow: 0 10px 25px -5px rgba(5, 124, 212, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --contact-shadow-hover: 0 20px 35px -5px rgba(5, 124, 212, 0.14), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Hero Section */
.contact-hero {
  text-align: center;
  padding: 2rem 1rem 1.5rem;
  max-width: 820px;
  margin: 0 auto;
}

.contact-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  background: var(--contact-primary-light);
  color: var(--contact-primary);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 50px;
  margin-bottom: 0.85rem;
}

.contact-badge-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.contact-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--contact-text-dark);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.contact-subtitle {
  font-size: 1.0625rem;
  color: var(--contact-text-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Main Box / Card (Support Window) */
.contact-support-card {
  background: var(--contact-card-bg);
  border-radius: var(--contact-radius);
  border: 1px solid var(--contact-border);
  box-shadow: var(--contact-shadow);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.contact-support-card:hover {
  box-shadow: var(--contact-shadow-hover);
}

.contact-card-header {
  background: var(--contact-gradient);
  color: #ffffff;
  padding: 1.75rem 1.75rem 1.5rem;
  position: relative;
}

.contact-card-avatar {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.contact-card-avatar svg {
  width: 32px;
  height: 32px;
  fill: #ffffff;
}

.contact-card-headline {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: #ffffff;
}

.contact-card-schedule {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
}

.contact-card-schedule svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  flex-shrink: 0;
}

/* Contact Info Body */
.contact-card-body {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.875rem;
  border-radius: 14px;
  background: var(--contact-highlight-bg);
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.contact-item:hover {
  background: #ffffff;
  border-color: var(--contact-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transform: translateY(-2px);
  color: inherit;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.contact-item:hover .contact-icon-box {
  transform: scale(1.08);
}

.contact-icon-box svg {
  width: 22px;
  height: 22px;
}

.icon-blue {
  background: #e0f2fe;
  color: #0284c7;
}

.icon-green {
  background: #dcfce7;
  color: #16a34a;
}

.icon-purple {
  background: #f3e8ff;
  color: #9333ea;
}

.icon-orange {
  background: #ffedd5;
  color: #ea580c;
}

.icon-teal {
  background: #ccfbf1;
  color: #0d9488;
}

.contact-info-content {
  flex-grow: 1;
}

.contact-info-label {
  font-size: 0.775rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--contact-text-muted);
  margin-bottom: 0.2rem;
}

.contact-info-value {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--contact-text-dark);
  line-height: 1.45;
  margin-bottom: 0;
  word-break: break-word;
}

.contact-info-desc {
  font-size: 0.8125rem;
  color: var(--contact-text-muted);
  margin-top: 0.15rem;
  margin-bottom: 0;
}

/* Action button inside item */
.contact-action-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: #ffffff;
  border: 1px solid var(--contact-border);
  color: var(--contact-primary);
  align-self: center;
  white-space: nowrap;
}

/* Form Card */
.contact-form-card {
  background: var(--contact-card-bg);
  border-radius: var(--contact-radius);
  border: 1px solid var(--contact-border);
  box-shadow: var(--contact-shadow);
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.form-header-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--contact-text-dark);
  margin-bottom: 0.35rem;
}

.form-header-subtitle {
  font-size: 0.875rem;
  color: var(--contact-text-muted);
  margin-bottom: 1.5rem;
}

.contact-form-group {
  margin-bottom: 1.25rem;
}

.contact-form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--contact-text-dark);
  margin-bottom: 0.4rem;
}

.contact-form-input,
.contact-form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  color: var(--contact-text-dark);
  background-color: #f8fafc;
  border: 1px solid var(--contact-border);
  border-radius: 10px;
  outline: none;
  transition: all 0.2s ease;
  font-family: inherit;
}

.contact-form-input:focus,
.contact-form-textarea:focus {
  background-color: #ffffff;
  border-color: var(--contact-primary);
  box-shadow: 0 0 0 3px rgba(5, 124, 212, 0.15);
}

.contact-form-textarea {
  resize: vertical;
  min-height: 110px;
}

.btn-contact-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  background: var(--contact-gradient);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(5, 124, 212, 0.25);
}

.btn-contact-submit:hover {
  background: linear-gradient(135deg, #046ab6 0%, #1d4ed8 100%);
  box-shadow: 0 6px 18px rgba(5, 124, 212, 0.35);
  transform: translateY(-1px);
}

.btn-contact-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* Alert Notification */
.contact-alert {
  padding: 0.875rem 1rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 1rem;
  display: none;
}

.contact-alert.show {
  display: block;
}

.contact-alert-success {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.contact-alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Social Channel Icons in Contact */
.contact-social-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--contact-border);
}

.social-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #f1f5f9;
  color: #475569;
  text-decoration: none;
  transition: all 0.2s ease;
}

.social-pill:hover {
  color: #ffffff;
  transform: translateY(-2px);
}

.social-pill.facebook:hover {
  background: #1877f2;
}

.social-pill.youtube:hover {
  background: #ff0000;
}

.social-pill.tiktok:hover {
  background: #000000;
}

.social-pill.telegram:hover {
  background: #229ed9;
}

.social-pill svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Location Map Box */
.contact-map-wrapper {
  margin-top: 2rem;
  background: var(--contact-card-bg);
  border-radius: var(--contact-radius);
  border: 1px solid var(--contact-border);
  box-shadow: var(--contact-shadow);
  padding: 1.5rem;
  overflow: hidden;
}

.contact-map-frame {
  width: 100%;
  height: 280px;
  border: none;
  border-radius: 12px;
}

@media (max-width: 768px) {
  .contact-title {
    font-size: 1.75rem;
  }
  .contact-card-header {
    padding: 1.25rem;
  }
  .contact-card-body {
    padding: 1.25rem;
  }
  .contact-form-card {
    padding: 1.25rem;
  }
}