:root {
  --color-bg: #000000;
  --color-bg-elevated: #0a0a0a;
  --color-text: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.6);
  --color-accent: #C41E3A;
  --color-accent-hover: #a01830;
  --color-border: rgba(255, 255, 255, 0.1);
  --transition-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--transition-smooth);
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

/* Section Title */
.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 4rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all 0.4s var(--transition-smooth);
}

.nav.scrolled {
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  padding: 1rem 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width 0.3s var(--transition-smooth);
}

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

.nav-cta {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-accent);
  transition: all 0.3s ease;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background-color: var(--color-accent-hover);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: right 0.4s var(--transition-smooth);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.25rem;
  }
}

/* Hero */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 0 2rem;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.hero-cta {
  font-size: 0.85rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.scroll-indicator {
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

/* Portfolio */
.portfolio {
  padding: 8rem 0;
  background-color: var(--color-bg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.portfolio-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-image {
  width: 100%;
  height: 100%;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-smooth);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.portfolio-title {
  font-size: 1.5rem;
  font-weight: 700;
  transform: translateY(20px);
  transition: transform 0.4s var(--transition-smooth);
}

.portfolio-category {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transform: translateY(20px);
  transition: transform 0.4s var(--transition-smooth) 0.05s;
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.05);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-item:hover .portfolio-title,
.portfolio-item:hover .portfolio-category {
  transform: translateY(0);
}

@media (max-width: 768px) {
  .portfolio {
    padding: 4rem 0;
  }

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

  .portfolio-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
  }

  .portfolio-title,
  .portfolio-category {
    transform: translateY(0);
  }
}

/* Services */
.services {
  padding: 8rem 0;
  background-color: var(--color-bg-elevated);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  padding: 3rem 2rem;
  border: 1px solid var(--color-border);
  transition: all 0.4s var(--transition-smooth);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--color-accent);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.service-features {
  list-style: none;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.5rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .services {
    padding: 4rem 0;
  }

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

/* Process */
.process {
  padding: 8rem 0;
  background-color: var(--color-bg);
}

.process-steps {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.process-line {
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-border);
}

.process-step {
  display: flex;
  gap: 3rem;
  padding: 2rem 0;
  position: relative;
}

.process-number {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  flex-shrink: 0;
  z-index: 1;
}

.process-content {
  padding-top: 0.5rem;
}

.process-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.process-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .process {
    padding: 4rem 0;
  }

  .process-step {
    gap: 1.5rem;
  }

  .process-number {
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }

  .process-line {
    left: 1.5rem;
  }
}

/* Clients */
.clients {
  padding: 8rem 0;
  background-color: var(--color-bg-elevated);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.client-card {
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all 0.4s var(--transition-smooth);
}

.client-card:hover {
  border-color: var(--color-accent);
}

.client-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.client-type {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (max-width: 1024px) {
  .clients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .clients {
    padding: 4rem 0;
  }

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

/* Pricing */
.pricing {
  padding: 8rem 0;
  background-color: var(--color-bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  padding: 3rem 2rem;
  border: 1px solid var(--color-border);
  text-align: center;
  position: relative;
  transition: all 0.4s var(--transition-smooth);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  background-color: var(--color-bg-elevated);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  padding: 0.5rem 1.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-surface {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 0.75rem 0;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .pricing {
    padding: 4rem 0;
  }

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

  .pricing-card.featured {
    order: -1;
  }
}

/* Contact */
.contact {
  padding: 8rem 0;
  background-color: var(--color-bg-elevated);
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-desc {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.contact-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2.5rem;
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
  margin-bottom: 2rem;
  transition: all 0.3s var(--transition-smooth);
}

.contact-whatsapp:hover {
  background-color: var(--color-accent-hover);
  transform: scale(1.05);
}

.contact-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.contact-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
  .contact {
    padding: 4rem 0;
  }

  .contact-info {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Footer */
.footer {
  padding: 4rem 0 2rem;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  text-align: center;
}

.footer-brand {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.footer-social a {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all 0.3s ease;
}

.footer-social a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-legal {
  margin-bottom: 1rem;
}

.footer-legal a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.3s ease;
}

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Scroll Reveal Animation */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal-up {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .portfolio-image img,
  .service-card,
  .pricing-card,
  .client-card,
  .portfolio-title,
  .portfolio-category,
  .portfolio-overlay {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}