/* ═══════════════════════════════════════════════════════════════
   CONTACT.CSS  –  Contact Section (Module 10)
   Jeeva Sivan Portfolio | Dark Futuristic Developer Theme
   ═══════════════════════════════════════════════════════════════ */

.contact-content {
  padding-block: var(--sp-20);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--sp-12);
  max-width: 960px;
  margin-inline: auto;
  margin-top: var(--sp-10);
  align-items: start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.contact-card {
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-5) var(--sp-6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  text-decoration: none;
  transition: border-color var(--transition-base), transform var(--transition-bounce), box-shadow var(--transition-base);
}

.contact-card:hover {
  border-color: rgba(6, 182, 212, 0.35);
  box-shadow: var(--shadow-xl), var(--glow-cyan);
  transform: translateX(4px);
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--clr-cyan-bright);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-text-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--clr-text-primary);
  transition: color var(--transition-base);
}

.contact-card:hover .contact-value {
  color: var(--clr-cyan-bright);
}

.contact-social-wrap {
  margin-top: var(--sp-2);
}

.contact-social-title {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-3);
  letter-spacing: 0.05em;
}

.contact-social-links {
  display: flex;
  gap: var(--sp-4);
}

.contact-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-secondary);
  transition: all var(--transition-base);
  text-decoration: none;
}

.contact-social-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--clr-blue-bright);
  color: var(--clr-blue-bright);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* Contact Form */
.contact-form-panel {
  background: var(--clr-bg-glass);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-2xl);
  padding: var(--sp-8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--clr-text-secondary);
  letter-spacing: 0.02em;
}

.form-input {
  background: rgba(6, 13, 31, 0.5);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-3) var(--sp-4);
  color: var(--clr-text-primary);
  font-family: inherit;
  font-size: var(--fs-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--clr-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15), var(--glow-cyan);
}

.form-input.is-invalid {
  border-color: rgba(239, 68, 68, 0.7);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.field-error-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #f87171;
  margin-top: 2px;
  display: none;
}

.field-error-text.visible {
  display: block;
}

.form-response {
  padding: var(--sp-3.5) var(--sp-4);
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  display: none;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.form-response.show {
  display: flex;
}

.form-response.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.form-response.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  background: linear-gradient(135deg, var(--clr-blue-bright), var(--clr-cyan-bright));
  color: #ffffff;
  border: none;
  border-radius: var(--radius-lg);
  padding: var(--sp-3.5) var(--sp-6);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  transition: transform var(--transition-bounce), box-shadow var(--transition-base), filter var(--transition-base);
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.25);
}

.form-submit-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.4), var(--glow-cyan);
}

.form-submit-btn:active {
  transform: translateY(0);
}

.form-submit-btn:disabled,
.form-submit-btn.loading {
  opacity: 0.75;
  cursor: not-allowed;
  transform: none !important;
  filter: none !important;
  box-shadow: none !important;
}

.form-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: formSpinner 0.8s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}

@keyframes formSpinner {
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
}