:root {
  /* Colors - Dark Theme */
  --color-bg-dark: #000000;
  --color-bg-darker: #0a0a0a;
  --color-bg-card: #1a1a1a;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #808080;
  --color-accent: #ffffff;
  --color-accent-hover: #e0e0e0;
  --color-border: #2a2a2a;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 5rem;
  --spacing-5xl: 6rem;

  /* Typography */
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.hamburger span {
  width: 25px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-menu a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--color-text-primary);
  outline: none;
}

.nav-menu a:hover::after,
.nav-menu a:focus::after {
  width: 100%;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 60px;
  height: 60px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.4);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7)),
    url("https://images.unsplash.com/photo-1534438327276-14e5300c3a48?w=1920&q=80")
      center/cover no-repeat;
  position: relative;
  padding-top: 80px;
}

.hero-overlay {
  width: 100%;
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg-dark);
  border-color: var(--color-accent);
}

.btn-primary:hover,
.btn-primary:focus {
  background: transparent;
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: none;
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--color-accent);
  color: var(--color-bg-dark);
  transform: translateY(-2px);
  outline: none;
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* Sections */
.section {
  padding: var(--spacing-5xl) 0;
  background: var(--color-bg-darker);
}

.section-dark {
  background: var(--color-bg-dark);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Enfoque Section */
.enfoque-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  margin-top: var(--spacing-3xl);
}

.enfoque-text h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
  font-weight: 700;
}

.enfoque-text p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.enfoque-list {
  list-style: none;
  margin: var(--spacing-xl) 0;
}

.enfoque-list li {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.enfoque-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 900;
}

.enfoque-list strong {
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Placeholder Images */
.placeholder-image {
  background: var(--color-bg-card);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--color-text-muted);
  font-weight: 600;
}

.placeholder-image.small {
  min-height: 200px;
}

.placeholder-image.blog-image {
  min-height: 220px;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.service-card {
  background: var(--color-bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.service-card p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Testimonials Grid */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

/* Carousel */
.carousel {
  position: relative;
  margin-top: var(--spacing-3xl);
}

.carousel-track-container {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  transition: transform 0.4s ease-in-out;
}

.carousel-slide {
  flex: 0 0 100%;
  padding: 0 var(--spacing-md);
}

.carousel-slide .testimonial-card {
  max-width: 400px;
  margin: 0 auto;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  z-index: 10;
}

.carousel-btn:hover:not(:disabled) {
  background: var(--color-accent);
  color: var(--color-bg-dark);
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-btn-prev {
  left: 0;
}

.carousel-btn-next {
  right: 0;
}

.carousel-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.carousel-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.carousel-indicator.current-slide {
  background: var(--color-accent);
}

/* Desktop: 3 cards per view */
@media (min-width: 1024px) {
  .carousel-slide {
    flex: 0 0 calc(100% / 3);
  }
  
  .carousel-btn {
    top: calc(50% - 40px);
  }
}

/* Tablet: 2 cards per view */
@media (min-width: 768px) and (max-width: 1023px) {
  .carousel-slide {
    flex: 0 0 calc(100% / 2);
  }
}

/* Mobile: 1 card per view */
@media (max-width: 767px) {
  .carousel-btn {
    width: 40px;
    height: 40px;
  }
  
  .carousel-btn-prev {
    left: -5px;
  }
  
  .carousel-btn-next {
    right: -5px;
  }
}

.testimonial-card {
  background: var(--color-bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

/* Transformations Grid */
.transformations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.transformation-pair {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.transformation-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
}

.transformation-image {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.transformation-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.transformation-label {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  z-index: 1;
}

.transformation-image.small {
  aspect-ratio: 3 / 4;
  position: relative;
  overflow: hidden;
}

.transformation-image.small img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.transformation-label.after {
  left: auto;
  right: var(--spacing-sm);
}

@media (max-width: 768px) {
  .transformations-grid {
    grid-template-columns: 1fr;
  }

  .transformation-images {
    grid-template-columns: 1fr;
  }
}

.testimonial-content {
  margin-top: var(--spacing-lg);
}

.testimonial-text {
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.testimonial-author {
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.blog-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.blog-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.blog-content {
  padding: var(--spacing-lg);
}

.blog-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}

.blog-content p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.blog-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 700;
  transition: opacity var(--transition-fast);
}

.blog-link:hover,
.blog-link:focus {
  opacity: 0.8;
  text-decoration: underline;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-3xl);
  align-items: center;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.contact-item h3 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.contact-link {
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--font-size-xl);
  font-weight: 700;
  transition: color var(--transition-fast);
}

.contact-link:hover,
.contact-link:focus {
  color: var(--color-accent);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  border-radius: 50%;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}

.social-links a:hover,
.social-links a:focus {
  background: var(--color-accent);
  color: var(--color-bg-dark);
  transform: translateY(-3px);
  outline: none;
}

.contact-cta {
  text-align: center;
  background: var(--color-bg-card);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.cta-text {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
  background: var(--color-bg-dark);
  padding: var(--spacing-2xl);
  text-align: center;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    display: none;
    border-top: 1px solid var(--color-border);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a::after {
    display: none;
  }

  .hero {
    min-height: 80vh;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }

  .enfoque-content {
    grid-template-columns: 1fr;
  }

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

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

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

  .contact-content {
    grid-template-columns: 1fr;
  }

  .whatsapp-float {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }
}

/* Blog Page Styles */
.blog-page {
  padding-top: 120px;
  padding-bottom: var(--spacing-4xl);
  min-height: 100vh;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-separator {
  color: var(--color-text-muted);
}

.breadcrumb-current {
  color: var(--color-text-primary);
}

/* Back Link */
.back-link {
  display: inline-block;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: var(--spacing-2xl);
  transition: color var(--transition-fast);
}

.back-link:hover {
  color: var(--color-accent);
}

.back-link-bottom {
  margin-top: var(--spacing-3xl);
  margin-bottom: 0;
}

/* Article Header */
.article-header {
  margin-bottom: var(--spacing-2xl);
}

.article-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.5px;
}

.article-intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 700px;
}

/* Summary Box */
.summary-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-3xl);
}

.summary-box h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.summary-box ul {
  list-style: none;
  padding: 0;
}

.summary-box li {
  color: var(--color-text-secondary);
  line-height: 1.7;
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-sm);
}

.summary-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* Article Content */
.article-content {
  max-width: 800px;
}

.article-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-top: var(--spacing-3xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.article-content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.article-content li {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.article-content strong {
  color: var(--color-text-primary);
  font-weight: 700;
}

/* Article CTA */
.article-cta {
  max-width: 800px;
  margin-top: var(--spacing-4xl);
  padding: var(--spacing-3xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.article-cta .cta-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-primary);
}

/* Blog Page Responsive */
@media (max-width: 768px) {
  .blog-page {
    padding-top: 100px;
  }

  .article-header h1 {
    font-size: 2rem;
  }

  .article-intro {
    font-size: var(--font-size-base);
  }

  .summary-box {
    padding: var(--spacing-lg);
  }

  .article-content h2 {
    font-size: var(--font-size-xl);
  }

  .article-cta {
    padding: var(--spacing-xl);
  }

  .article-cta .cta-text {
    font-size: var(--font-size-lg);
  }
}