/* LeagSoftware - Diseño Elegante Blanco y Negro */

/* Fuente Nunito */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;600;700;800&display=swap');

:root {
  /* Paleta Estricta: Blanco y Negro */
  --color-primary: #000000;
  --color-secondary: #FFFFFF;
  
  /* Grises para profundidad */
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E5E5E5;
  --color-gray-300: #D4D4D4;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  
  /* Fondos */
  --color-bg: #FFFFFF;
  --color-surface: #FAFAFA;
  
  /* Texto */
  --color-text: #000000;
  --color-text-light: #404040;
  --color-text-muted: #737373;
  
  /* Fuente única */
  --font-family: 'Nunito', sans-serif;
  
  /* Espaciado reducido */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  
  /* Bordes elegantes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  /* Sombras sutiles */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  
  /* Transiciones */
  --transition: 0.3s ease;
}

/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Tipografía elegante y reducida */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family);
  line-height: 1.2;
  color: var(--color-primary);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 1.25rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: var(--transition);
}

.header.scrolled {
  padding: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-family);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.01em;
}

.logo-img {
  height: 36px;
  width: auto;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  font-weight: 700;
}

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

.nav-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

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

.btn-cta {
  padding: 0.7rem 1.75rem;
  background: var(--color-primary);
  color: white;
  font-weight: 700;
  border-radius: 50px;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 2px solid var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-cta:hover {
  background: white;
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-cta-icon {
  display: none;
  align-items: center;
  justify-content: center;
}

.btn-cta-icon i {
  font-size: 1rem;
}

.btn-cta-text {
  display: inline;
}

.whatsapp-link {
  width: auto;
  max-width: 100%;
}


/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 2rem 4rem;
  position: relative;
  background: var(--color-bg);
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1rem;
}

.text-gradient {
  color: var(--color-primary);
  position: relative;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: var(--color-text-light);
  max-width: 550px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.9rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  font-family: var(--font-family);
}

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

.btn-primary:hover {
  background: var(--color-gray-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: white;
  color: var(--color-primary);
  border-color: var(--color-gray-300);
}

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

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeInRight 1s ease;
}

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

.visual-card {
  aspect-ratio: 1;
  background: var(--color-gray-100);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.visual-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.visual-card:nth-child(1) {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.visual-card:nth-child(2) {
  background: white;
  border-color: var(--color-gray-300);
}

.visual-card:nth-child(3) {
  background: white;
  border-color: var(--color-gray-300);
}

.visual-card:nth-child(4) {
  background: var(--color-gray-900);
  color: white;
  border-color: var(--color-gray-900);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Secciones */
.section {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.section-title {
  margin-bottom: 1rem;
}

/* Servicios */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: white;
}

.service-card:nth-child(even) .service-icon {
  background: white;
  border: 2px solid var(--color-primary);
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.portfolio-item {
  background: white;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.portfolio-image {
  aspect-ratio: 4/3;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 2px solid var(--color-gray-200);
  overflow: hidden;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-item:nth-child(1) .portfolio-image {
  background: var(--color-primary);
  color: white;
}

.portfolio-item:nth-child(2) .portfolio-image {
  background: white;
  border: 2px solid var(--color-gray-200);
}

.portfolio-item:nth-child(3) .portfolio-image {
  background: var(--color-gray-900);
  color: white;
}

.portfolio-item:nth-child(4) .portfolio-image {
  background: var(--color-gray-100);
  color: var(--color-text);
}

.portfolio-content {
  padding: 1.5rem;
}

.portfolio-tag {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-item h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.portfolio-item p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.tech-stack {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tech-badge {
  padding: 0.35rem 0.75rem;
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Testimonios */
.testimonials-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.testimonial-card {
  background: white;
  padding: 2rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-300);
}

.quote-mark {
  font-size: 4rem;
  color: var(--color-gray-200);
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  color: var(--color-text);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.testimonial-card:nth-child(even) .author-avatar {
  background: white;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  font-weight: 700;
}

.author-role {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.rating {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* Contacto */
.contact-section {
  background: linear-gradient(135deg, #080808 0%, #121212 55%, #181818 100%);
  color: white;
  padding: 4rem 2rem 2.5rem;
  margin-top: 4rem;
}

.contact-header {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.contact-header .section-badge {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.contact-header .section-title {
  color: white;
  margin-top: 1rem;
}

.contact-header p {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 1rem;
  line-height: 1.8;
}

.contact-container {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(320px, 1.2fr) minmax(320px, 0.8fr);
  gap: 2rem;
  align-items: start;
}

.contact-info {
  padding: 2.5rem;
  border-radius: calc(var(--radius-lg) + 4px);
  background: rgba(15, 15, 15, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.contact-info h2 {
  color: white;
  margin-bottom: 1rem;
  font-size: clamp(2rem, 3vw, 2.4rem);
}

.contact-info p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.02rem;
  margin-bottom: 1.75rem;
  max-width: 100%;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-method {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  min-height: auto;
  border-radius: calc(var(--radius-md) + 4px);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.contact-method:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.method-icon {
  width: 58px;
  height: 58px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.method-details {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.method-details h4 {
  font-size: 1.05rem;
  color: white;
  margin-bottom: 0.45rem;
  font-weight: 700;
}

.method-details p,
.method-details a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  line-height: 1.75;
}

.method-details a:hover {
  color: white;
  text-decoration: underline;
}

.whatsapp-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-top: 0.75rem;
  padding: 0;
  border-radius: 50%;
  background: #25d366;
  color: white;
  border: none;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.28);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.whatsapp-link i {
  font-size: 1.2rem;
}

.whatsapp-link:hover {
  background: #1ebe57;
  transform: translateY(-2px);
}

.whatsapp-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #25d366;
  color: white;
  border-radius: 50%;
  box-shadow: 0 24px 50px rgba(37, 211, 102, 0.32);
  z-index: 9999;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.whatsapp-float i {
  font-size: 1.5rem;
}

.whatsapp-float:hover {
  background: #1ebe57;
  transform: translateY(-4px);
  box-shadow: 0 28px 58px rgba(37, 211, 102, 0.38);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.social-link {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: var(--transition);
}

.social-link:hover {
  background: white;
  color: var(--color-primary);
  transform: translateY(-2px);
  border-color: white;
}

/* Formulario */
.contact-form {
  background: #fdfdfd;
  padding: 2.75rem;
  border-radius: calc(var(--radius-lg) + 4px);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.12);
  border: 1px solid rgba(0, 0, 0, 0.08);
  min-height: 100%;
}

.form-group {
  margin-bottom: 1.6rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: var(--transition);
  background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
}

.submit-btn:hover {
  background: var(--color-gray-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: 2.5rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  font-family: var(--font-family);
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
  margin-bottom: 0.75rem;
}

.footer p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.footer-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .visual-grid {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }

  .contact-methods {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .contact-container {
    grid-template-columns: 1fr;
  }

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

  .contact-info,
  .contact-form {
    padding: 1.5rem;
  }

  .whatsapp-link {
    width: auto !important;
  }

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .btn-cta {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
  }

  .btn-cta-text {
    display: none;
  }

  .btn-cta-icon {
    display: inline-flex;
  }

  .whatsapp-link {
    width: auto !important;
  }

  .contact-info,
  .contact-form {
    padding: 1.5rem;
  }

  .contact-method {
    align-items: center;
    padding: 1rem;
  }

  .contact-methods {
    gap: 0.85rem;
  }

  .contact-container {
    gap: 1.75rem;
  }

  .contact-section {
    padding: 4rem 1.25rem 2.5rem;
  }

  .contact-header {
    margin-bottom: 2rem;
  }

  .nav-menu {
    display: none;
  }
  
  .hero {
    padding: 5rem 1.5rem 3rem;
  }
  
  .section {
    padding: 3rem 1.5rem;
  }
  
  .services-grid,
  .portfolio-grid,
  .testimonials-wrapper {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
}

/* Animaciones scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Utilities */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }