/* ================================================================
   OBRATEC LANDING PAGE - PREMIUM DESIGN €10,000
   ================================================================
   Diseño profesional con logo integrado, animaciones y UX premium
   Paleta: #F79B72 (naranja), #2A4759 (azul), #3B8C88 (verde)
   ================================================================ */

/* CSS Variables Premium */
:root {
    /* Brand Colors */
    --primary: #F79B72;
    --primary-hover: #E6804F;
    --primary-light: rgba(247, 155, 114, 0.1);
    --secondary: #2A4759;
    --secondary-hover: #1F3342;
    --tertiary: #3B8C88;
    --tertiary-hover: #2F6B67;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F8F9FA;
    --gray-100: #E9ECEF;
    --gray-200: #DDDDDD;
    --gray-300: #CED4DA;
    --gray-600: #6C757D;
    --gray-800: #495057;
    --gray-900: #212529;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Borders & Shadows */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --shadow-sm: 0 1px 3px rgba(42, 71, 89, 0.08);
    --shadow-md: 0 4px 12px rgba(42, 71, 89, 0.1);
    --shadow-lg: 0 8px 32px rgba(42, 71, 89, 0.15);
    --shadow-xl: 0 20px 64px rgba(42, 71, 89, 0.2);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

/* ================================================================
   PREMIUM NAVIGATION HEADER
   ================================================================ */

.premium-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(42, 71, 89, 0.08);
    transition: var(--transition-normal);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--secondary);
    font-weight: var(--font-weight-bold);
    font-size: 1.25rem;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
}

.logo-img:hover {
    transform: scale(1.05);
}

.brand-text {
    font-weight: var(--font-weight-bold);
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    text-decoration: none;
    color: var(--secondary);
    font-weight: var(--font-weight-medium);
    font-size: 0.95rem;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.btn-beta {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.btn-beta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ================================================================
   PREMIUM HERO SECTION
   ================================================================ */

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 50%, var(--primary-light) 100%);
    z-index: -2;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background-image: radial-gradient(circle at 25% 25%, var(--primary) 2px, transparent 2px),
                      radial-gradient(circle at 75% 75%, var(--tertiary) 2px, transparent 2px);
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    min-height: calc(100vh - 80px);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    padding: var(--spacing-sm) var(--spacing-lg);
    width: fit-content;
    box-shadow: var(--shadow-sm);
    animation: fadeInUp 0.6s ease;
}

.badge-icon {
    font-size: 1.1rem;
}

.badge-text {
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    color: var(--secondary);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    color: var(--secondary);
    margin: 0;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.title-highlight {
    background: linear-gradient(135deg, var(--primary), var(--tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    line-height: 1.6;
    max-width: 500px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.btn-primary-large {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.btn-primary-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary-large:hover::before {
    left: 100%;
}

.btn-secondary-large {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    color: var(--secondary);
    text-decoration: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

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

.hero-trust {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.9rem;
    color: var(--gray-600);
    animation: fadeInUp 0.6s ease 0.5s both;
}

.trust-text {
    font-weight: var(--font-weight-medium);
}

.trust-divider {
    color: var(--gray-300);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-image-container {
    position: relative;
    max-width: 500px;
    width: 100%;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-slow);
}

.hero-image:hover {
    transform: scale(1.02);
}

.hero-overlay {
    position: absolute;
    top: 20px;
    right: -20px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    animation: float 3s ease-in-out infinite;
}

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

.card-icon {
    font-size: 1.5rem;
}

.card-content {
    display: flex;
    flex-direction: column;
}

.card-title {
    font-weight: var(--font-weight-bold);
    color: var(--secondary);
    font-size: 1.1rem;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--gray-600);
}

/* ================================================================
   PREMIUM FEATURES SECTION
   ================================================================ */

.features-premium {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
    position: relative;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.features-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.features-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--secondary);
    margin-bottom: var(--spacing-lg);
}

.features-subtitle {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--tertiary));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--secondary);
    margin-bottom: var(--spacing-md);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.feature-highlight {
    background: var(--primary-light);
    color: var(--primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    display: inline-block;
}

/* ================================================================
   PREMIUM CTA SECTION
   ================================================================ */

.cta-premium {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--tertiary) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-premium::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s linear infinite;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.cta-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.btn-cta-primary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--white);
    color: var(--secondary);
    text-decoration: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-bold);
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

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

.btn-cta-secondary {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: transparent;
    color: var(--white);
    text-decoration: none;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

.cta-note {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ================================================================
   PREMIUM FOOTER
   ================================================================ */

.footer-premium {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.footer-premium .footer-container:first-child {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.footer-brand-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
}

.footer-tagline {
    color: var(--gray-300);
    font-size: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

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

.footer-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.footer-link {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-xl);
}

.footer-bottom .footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright,
.footer-version {
    color: var(--gray-300);
    font-size: 0.9rem;
}

/* ================================================================
   ANIMATIONS
   ================================================================ */

@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);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ================================================================
   RESPONSIVE DESIGN
   ================================================================ */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .premium-nav {
        padding: var(--spacing-md);
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .nav-actions {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary-large,
    .btn-secondary-large {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .features-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-premium .footer-container:first-child {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-bottom .footer-container {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .features-container,
    .cta-container {
        padding: 0 var(--spacing-md);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .overlay-card {
        display: none; /* Hide overlay on very small screens */
    }
}
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    min-width: 180px;
    text-align: center;
    border: 2px solid transparent;
}

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

.cta-button.primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(247, 155, 114, 0.4);
}

.cta-button.secondary {
    background: transparent;
    color: var(--secondary);
    border-color: var(--secondary);
}

.cta-button.secondary:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(42, 71, 89, 0.3);
}

.cta-button.tertiary {
    background: var(--tertiary);
    color: var(--white);
    border-color: var(--tertiary);
}

.cta-button.tertiary:hover {
    background: var(--tertiary-hover);
    border-color: var(--tertiary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(59, 140, 136, 0.4);
}

/* Sección de características */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem auto;
    padding: 0 2rem;
    max-width: 1200px;
}

.feature {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--light-gray);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--tertiary) 50%, var(--secondary) 100%);
}

.feature:nth-child(2n)::before {
  background: linear-gradient(90deg, var(--tertiary) 0%, var(--primary) 50%, var(--secondary) 100%);
}

.feature:nth-child(3n)::before {
  background: linear-gradient(90deg, var(--secondary) 0%, var(--tertiary) 50%, var(--primary) 100%);
}

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

.feature h3 {
  font-size: 1.4rem;
  color: var(--secondary);
  margin-bottom: 1rem;
  font-weight: 600;
}

.feature p {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 1rem;
}

/* Footer */
.footer {
  text-align: center;
  margin-top: 5rem;
  padding: 3rem 2rem;
  background: var(--secondary);
  color: var(--white);
}

.footer p {
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .landing-hero {
    padding: 3rem 1.5rem;
    margin: 1rem;
  }
  
  .landing-hero h1 {
    font-size: 2.5rem;
  }
  
  .landing-hero p {
    font-size: 1.1rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-button {
    width: 100%;
    max-width: 280px;
  }
  
  .features {
    grid-template-columns: 1fr;
    padding: 0 1rem;
    gap: 1.5rem;
  }
  
  .feature {
    padding: 1.5rem;
  }
  
  .footer {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  .landing-hero {
    padding: 2rem 1rem;
  }
  
  .landing-hero h1 {
    font-size: 2rem;
  }
  
  .landing-hero p {
    font-size: 1rem;
  }
  
  .feature h3 {
    font-size: 1.2rem;
  }
  
  .feature p {
    font-size: 0.9rem;
  }
}