/* ============================================
   BinaryPoints - Design System
   Atacama Region Inspired Color Palette
   ============================================ */

:root {
  /* Color Palette - Atacama Inspiration */
  --copper-primary: #C87137;
  --copper-dark: #B8651B;
  --copper-light: #D4935E;
  
  --desert-blue: #1E3A8A;
  --desert-blue-light: #2563EB;
  --desert-blue-bright: #3B82F6;
  
  --mineral-gold: #D4AF37;
  --mineral-gold-light: #F59E0B;
  --mineral-amber: #FBBF24;
  
  --stone-gray: #475569;
  --stone-gray-light: #64748B;
  --stone-gray-lighter: #94A3B8;
  
  --neutral-50: #FAFAF9;
  --neutral-100: #F5F5F4;
  --neutral-200: #E7E5E4;
  --neutral-800: #292524;
  --neutral-900: #1C1917;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--copper-primary) 0%, var(--mineral-gold) 100%);
  --gradient-hero: linear-gradient(135deg, var(--desert-blue) 0%, var(--desert-blue-light) 50%, var(--copper-primary) 100%);
  --gradient-card: linear-gradient(145deg, rgba(200, 113, 55, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', var(--font-primary);
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-copper: 0 10px 30px -5px rgba(200, 113, 55, 0.3);
  --shadow-blue: 0 10px 30px -5px rgba(37, 99, 235, 0.3);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--neutral-800);
  background-color: var(--neutral-50);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--neutral-900);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--stone-gray);
}

/* ============================================
   Layout Components
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-dark {
  background: linear-gradient(180deg, var(--neutral-900) 0%, var(--neutral-800) 100%);
  color: var(--neutral-50);
}

.section-dark h2,
.section-dark h3 {
  color: var(--neutral-50);
}

.section-dark p {
  color: var(--neutral-200);
}

/* ============================================
   Navigation
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

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

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--stone-gray);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: var(--copper-primary);
  transform: translateY(-2px);
}

.nav-link.active {
  color: var(--copper-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(200, 113, 55, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  color: white;
  text-align: center;
}

.hero h1 {
  font-size: var(--text-6xl);
  color: white;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
  display: inline-flex;
  gap: var(--space-md);
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-align: center;
}

.btn-primary {
  background: white;
  color: var(--desert-blue);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  background: var(--neutral-50);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: var(--desert-blue);
  transform: translateY(-3px);
}

.btn-copper {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-copper);
}

.btn-copper:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px -5px rgba(200, 113, 55, 0.4);
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--stone-gray-light);
  max-width: 700px;
  margin: var(--space-md) auto 0;
}

/* ============================================
   Cards
   ============================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--neutral-200);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--copper-light);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
  color: var(--neutral-900);
}

.card-description {
  color: var(--stone-gray);
  line-height: 1.7;
}

/* Glass Card Variant */
.card-glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-glass .card-title,
.card-glass .card-description {
  color: white;
}

/* ============================================
   Services Section
   ============================================ */

.service-card {
  position: relative;
  padding: var(--space-xl);
}

.service-card ul {
  list-style: none;
  margin-top: var(--space-md);
}

.service-card li {
  padding: var(--space-xs) 0;
  padding-left: var(--space-lg);
  position: relative;
  color: var(--stone-gray);
}

.service-card li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--copper-primary);
  font-weight: bold;
}

/* ============================================
   Features / Valor Diferencial
   ============================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.feature-item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-item:hover {
  background: rgba(200, 113, 55, 0.05);
  transform: translateX(8px);
}

.feature-icon {
  font-size: var(--text-3xl);
  flex-shrink: 0;
}

.feature-content h4 {
  margin-bottom: var(--space-xs);
  font-size: var(--text-lg);
}

.feature-content p {
  font-size: var(--text-sm);
}

/* ============================================
   Portfolio / Cases
   ============================================ */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.portfolio-item {
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid rgba(200, 113, 55, 0.2);
  transition: all var(--transition-base);
}

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

.portfolio-number {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--copper-primary);
  margin-bottom: var(--space-xs);
}

.portfolio-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.portfolio-description {
  font-size: var(--text-sm);
  color: var(--stone-gray);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--neutral-900);
  color: var(--neutral-200);
  padding: var(--space-2xl) 0 var(--space-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--space-md);
  font-size: var(--text-lg);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}

.footer-section p,
.footer-section a {
  color: var(--neutral-200);
  font-size: var(--text-sm);
  display: block;
  margin-bottom: var(--space-xs);
}

.footer-section a:hover {
  color: var(--copper-light);
  transform: translateX(4px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
}

/* ============================================
   Animations
   ============================================ */

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

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

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

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
  :root {
    --text-6xl: 3rem;
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 768px) {
  :root {
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --space-3xl: 4rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero h1 {
    font-size: var(--text-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-base);
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .btn {
    width: 100%;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Utility Classes
   ============================================ */

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }