/* ============================================
   COMPONENT STYLES
   ============================================ */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  min-height: 44px; /* Touch-friendly */
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary {
  background-color: var(--color-primary);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text-primary);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
}

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

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

/* Cards */
.card {
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover::before {
  opacity: 1;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.card-feature {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.card-feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  color: white;
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card-feature:hover .card-feature-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-lg);
}

.card-feature-icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 2;
}

.card-pricing {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.card-pricing.featured {
  border: 2px solid var(--color-accent);
  transform: scale(1.05);
}

.card-pricing.featured::before {
  content: 'Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--color-primary);
  color: white;
}

.badge-success {
  background-color: var(--color-secondary);
  color: white;
}

.badge-accent {
  background-color: var(--color-accent);
  color: white;
}

/* Header/Navbar */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.nav-logo-img {
  height: 32px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

/* Brand image as nav logo: tamaño prominente */
.nav-logo-brand {
  height: 56px;
  max-width: 280px;
}

@media (max-width: 768px) {
  .nav-logo-brand {
    height: 44px;
    max-width: 220px;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-image {
  margin-top: var(--spacing-3xl);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border: 1px solid var(--color-border);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  z-index: 1;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 2;
}

.hero-brand-image {
  width: 100%;
  max-width: 900px;
  height: auto;
  margin: 0 auto;
  display: block;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.hero-visual {
  padding: 4rem 2rem;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.hero-visual svg {
  width: 100%;
  max-width: 600px;
  height: auto;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  border-radius: 50%;
  font-size: 1.75rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: all var(--transition-base);
}

.step:hover .step-number {
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}

.step-number::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.step:hover .step-number::before {
  opacity: 0.3;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
}

.pricing-period {
  font-size: 1rem;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-secondary);
  font-weight: 700;
  font-size: 1.25rem;
}

/* FAQ Section */
.faq-list {
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.125rem;
  user-select: none;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-answer {
  margin-top: var(--spacing-md);
  color: var(--color-text-secondary);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.footer-logo {
  height: 115px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  opacity: 0.9;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: var(--spacing-xs);
  background-color: var(--color-bg-surface);
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
}

.lang-switcher button {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  background-color: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 0.875rem;
  font-weight: 500;
}

.lang-switcher button.active {
  background-color: var(--color-primary);
  color: white;
}

.lang-switcher button:hover:not(.active) {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

/* Theme Toggle */
.theme-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-primary);
}

.theme-toggle:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg-elevated);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .card-pricing.featured {
    transform: scale(1);
  }

  .steps {
    grid-template-columns: 1fr;
  }
}