/**
 * Tensei Logic - Components
 * Header, Botones, Tarjetas, Badges, Modal de Contacto y Animaciones Sutiles
 */

/* ==========================================================================
   Header & Navegación
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  display: block;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base), backdrop-filter var(--transition-base);
}

.site-header.is-scrolled {
  background-color: rgba(10, 13, 20, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  gap: 0.75rem;
  box-sizing: border-box;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
  z-index: 110;
}

.brand-logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.brand-logo .brand-text {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.brand-logo .brand-logic {
  color: var(--text-tertiary);
  font-weight: 400;
  font-size: 1.15rem;
}

/* Navegación Desktop */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 860px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-orange);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

/* Botón Hamburguesa Móvil */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  z-index: 110;
  color: var(--text-primary);
  flex-shrink: 0;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--border-color-hover);
  background-color: var(--bg-surface);
}

.nav-toggle-line {
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 860px) {
  .nav-toggle {
    display: none;
  }
}

/* Panel Navegación Móvil */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(10, 13, 20, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 105;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-2xl) var(--space-xl);
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.mobile-nav-panel.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.mobile-nav-link {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-block;
  padding: 0.5rem;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--accent-orange-light);
}

.mobile-nav-action {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   Botones
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1.2;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

/* Primario: Naranja tecnológico con texto oscuro de alto contraste (WCAG AA > 8:1) */
.btn-primary {
  background-color: var(--accent-orange);
  color: var(--text-on-accent);
  border-color: var(--accent-orange);
  box-shadow: 0 2px 10px rgba(255, 107, 0, 0.2);
}

.btn-primary:hover {
  background-color: var(--accent-orange-light);
  border-color: var(--accent-orange-light);
  color: var(--text-on-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Secundario: Superficie oscura con borde sutil */
.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color-hover);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.9rem 1.85rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Tarjetas Modernas
   ========================================================================== */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  background-color: var(--bg-surface-elevated);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Badges & Etiquetas
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.badge-accent {
  background-color: var(--accent-orange-glow);
  color: var(--accent-orange-light);
  border: 1px solid var(--border-accent);
}

.badge-neutral {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-tertiary);
  border: 1px solid var(--border-color);
}

.badge-status {
  background-color: rgba(255, 107, 0, 0.12);
  color: #ff944d;
  border: 1px solid rgba(255, 107, 0, 0.35);
}

.badge-status::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-orange);
}

/* ==========================================================================
   Modal de Contacto Accesible (<dialog>)
   ========================================================================== */
.contact-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  width: min(92vw, 560px);
  max-height: 90vh;
  margin: 0;
  padding: var(--space-2xl);
  background-color: #101522;
  color: var(--text-secondary);
  border: 1px solid var(--border-color-hover);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 0 100vmax rgba(0, 0, 0, 0.75);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  overflow-y: auto;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.contact-dialog[open] {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

.contact-dialog::backdrop {
  background: rgba(5, 8, 14, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.dialog-title {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.dialog-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.dialog-close:hover {
  color: var(--text-primary);
  border-color: var(--border-color-hover);
  background: var(--bg-surface-elevated);
}

/* Canales Directos en el Modal */
.contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 480px) {
  .contact-channels {
    grid-template-columns: 1fr 1fr;
  }
}

.channel-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: var(--space-md);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-decoration: none;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.channel-card:hover {
  border-color: var(--border-accent);
  background-color: var(--bg-surface-elevated);
}

.channel-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent-orange-light);
}

.channel-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.channel-value {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
}

/* Formulario */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: rgba(16, 21, 34, 0.8);
  border: 1px solid var(--border-color-hover);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
}

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

.form-note {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: var(--space-sm);
  line-height: 1.4;
}

/* ==========================================================================
   Animaciones de Aparición Sutil (IntersectionObserver)
   ========================================================================== */
.fade-in-up {
  opacity: 1;
  transform: none;
}

.js-enabled .fade-in-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.js-enabled .fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 80ms; }
.delay-2 { transition-delay: 160ms; }
.delay-3 { transition-delay: 240ms; }
.delay-4 { transition-delay: 320ms; }