/*
 * contact.css
 * -----------
 * - Maquetar layout de pagina de contacto con hero compacto y grid de dos columnas en desktop
 * - Construir columna izquierda con titulo, descripcion, cards de informacion de contacto
 * - Construir columna derecha con card del formulario de contacto
 * - Estilizar todos los campos del formulario: texto, email, select y textarea
 * - Implementar estados visuales de cada campo: reposo, focus, error y exito
 * - Estilizar campo honeypot con CSS para que sea invisible a humanos pero no a bots
 * - Estilizar boton de submit con estado de carga spinner y estado deshabilitado
 * - Implementar componente de mensaje de alerta global con animacion de entrada
 * - Maquetar indicador de rate limiting con cuenta regresiva visible al usuario
 * - Estilizar seccion de informacion de contacto con iconos y datos de comunicacion
 * - Garantizar accesibilidad completa: foco visible, contraste WCAG AA, labels asociados
 */

.contact-hero {
  padding-top: calc(var(--navbar-height) + var(--space-16));
  padding-bottom: var(--space-12);
  background-color: var(--color-bg-primary);
  position: relative;
  overflow: hidden;
}

.contact-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
}

.contact-hero__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.contact-hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-secondary);
  margin-bottom: var(--space-4);
}

.contact-hero__label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background-color: var(--color-accent-secondary);
}

.contact-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .contact-hero__title {
    font-size: var(--text-5xl);
  }
}

.contact-hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 54ch;
}

.contact-main {
  background-color: var(--color-bg-primary);
  padding-block: var(--space-16) var(--space-24);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-16);
    align-items: start;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-info__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: var(--leading-snug);
}

.contact-info__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.contact-info__items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base);
}

.contact-info-item:hover {
  border-color: var(--color-border-focus);
}

.contact-info-item__icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-accent-glow);
  border: 1px solid rgba(45, 107, 228, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-item__icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent-primary);
}

.contact-info-item__icon--secondary {
  background-color: var(--color-accent-secondary-glow);
  border-color: rgba(0, 201, 167, 0.2);
}

.contact-info-item__icon--secondary svg {
  color: var(--color-accent-secondary);
}

.contact-info-item__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.contact-info-item__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.contact-info-item__value {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  line-height: var(--leading-snug);
}

.contact-info-item__value a {
  color: var(--color-accent-primary);
  transition: color var(--transition-fast);
}

.contact-info-item__value a:hover {
  color: var(--color-accent-hover);
}

.contact-info-item__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-response-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background-color: var(--color-accent-secondary-glow);
  border: 1px solid rgba(0, 201, 167, 0.18);
  border-radius: var(--radius-lg);
}

.contact-response-badge__dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent-secondary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

.contact-response-badge__text {
  font-size: var(--text-sm);
  color: var(--color-accent-secondary);
  font-weight: var(--font-weight-medium);
}

.contact-form-card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 480px) {
  .contact-form-card {
    padding: var(--space-10);
  }
}

.contact-form-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.contact-form-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 540px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

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

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-label__required {
  color: var(--color-accent-secondary);
  font-size: var(--text-xs);
}

.form-label__optional {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-regular);
  margin-left: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-family: var(--font-body);
  padding: var(--space-4) var(--space-5);
  transition: border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-surface-hover);
  background-color: var(--color-bg-tertiary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  background-color: var(--color-bg-tertiary);
  box-shadow: 0 0 0 3px rgba(45, 107, 228, 0.15);
}

.form-input--error,
.form-select--error,
.form-textarea--error {
  border-color: var(--color-border-error);
  background-color: rgba(226, 77, 77, 0.04);
}

.form-input--error:focus,
.form-select--error:focus,
.form-textarea--error:focus {
  border-color: var(--color-border-error);
  box-shadow: 0 0 0 3px rgba(226, 77, 77, 0.12);
}

.form-input--success,
.form-select--success,
.form-textarea--success {
  border-color: var(--color-border-success);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='%234A5A72' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  background-size: 16px;
  padding-right: var(--space-12);
  cursor: pointer;
}

.form-select option {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
  max-height: 320px;
  line-height: var(--leading-relaxed);
}

.form-char-count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: right;
  margin-top: calc(var(--space-1) * -1);
  transition: color var(--transition-fast);
}

.form-char-count.is-near-limit {
  color: var(--color-warning);
}

.form-char-count.is-at-limit {
  color: var(--color-error);
}

.form-error-msg {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 16px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.form-error-msg.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.form-error-msg svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  tab-size: 0;
}

.form-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.form-alert.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.form-alert--error {
  background-color: rgba(226, 77, 77, 0.08);
  border: 1px solid rgba(226, 77, 77, 0.25);
  color: #f08080;
}

.form-alert--success {
  background-color: rgba(0, 201, 167, 0.08);
  border: 1px solid rgba(0, 201, 167, 0.25);
  color: var(--color-accent-secondary);
}

.form-alert svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.form-alert__text {
  flex: 1;
}

.form-submit-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  background: linear-gradient(135deg, var(--color-accent-primary), #1a54c8);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-base);
  box-shadow: 0 4px 20px rgba(45, 107, 228, 0.3);
  min-height: 52px;
  position: relative;
}

.btn-submit:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(45, 107, 228, 0.4);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
}

.btn-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-submit__text {
  transition: opacity var(--transition-fast);
}

.btn-submit__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: var(--radius-full);
  animation: spinner-rotate 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes spinner-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.btn-submit.is-loading .btn-submit__text {
  opacity: 0;
  position: absolute;
}

.btn-submit.is-loading .btn-submit__spinner {
  display: block;
}

.form-rate-limit-msg {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-warning);
  text-align: center;
  min-height: 18px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.form-rate-limit-msg.is-visible {
  opacity: 1;
}

.form-privacy-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  line-height: var(--leading-relaxed);
}

.form-privacy-note a {
  color: var(--color-accent-primary);
  transition: color var(--transition-fast);
}

.form-privacy-note a:hover {
  color: var(--color-accent-hover);
}