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

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #60a5fa;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    flex: 0 0 auto;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.75rem 0.5rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

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

.btn-verificacion {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 44px;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 48px;
}

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

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

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--border-color);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* 3D Card */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-3d {
    width: 320px;
    height: 200px;
    perspective: 1000px;
}

.card-front {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px;
    padding: 2rem;
    color: white;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateY(0deg) rotateX(5deg);
    transition: transform 0.6s ease;
    box-shadow: var(--shadow-xl);
}

.card-3d:hover .card-front {
    transform: rotateY(10deg) rotateX(5deg);
}

.card-chip {
    width: 50px;
    height: 40px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.card-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.card-number {
    font-size: 1.2rem;
    letter-spacing: 2px;
    font-family: 'Courier New', monospace;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

#servicios .section-header p,
#servicios .services-passage p {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    font-size: 0.95rem;
    line-height: 1.35;
    letter-spacing: 0.01em;
    max-width: min(70ch, 100%);
    margin: 0 auto;
    text-align: center;
}

#servicios .section-header p {
    background: rgba(30, 58, 138, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.18);
    box-shadow: 0 14px 34px rgba(2, 6, 23, 0.06);
}

/* Services Section */
.services {
    padding: 80px 0;
    background: white;
}

#servicios.services {
    background:
        radial-gradient(1200px 420px at 50% -10%, rgba(59, 130, 246, 0.08), transparent 55%),
        white;
}

@media (max-width: 519px) {
    #servicios.services {
        padding: 56px 0;
    }

    #servicios .section-header {
        margin-bottom: 2rem;
    }
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.service-card:hover::before {
    transform: translateX(0);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

#servicios .services-gallery {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

#servicios .services-room {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.9rem;
}

#servicios .services-passage {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.1rem 0 0.25rem;
}

 #servicios .services-passage-line {
     width: min(240px, 62%);
     height: 1px;
     background: linear-gradient(90deg, transparent, rgba(15, 23, 42, 0.18), transparent);
 }

 #servicios .services-passage p {
     background: rgba(15, 23, 42, 0.04);
     border: 1px solid rgba(15, 23, 42, 0.1);
     box-shadow: 0 12px 28px rgba(2, 6, 23, 0.05);
 }

 #servicios .service-card {
     display: grid;
     grid-template-columns: 48px 1fr;
     grid-template-rows: auto auto;
     column-gap: 0.75rem;
     row-gap: 0.25rem;
     align-items: start;
     text-align: left;
     padding: 1.25rem;
 }

 @media (max-width: 519px) {
     #servicios .service-card::before {
         width: 3px;
         height: 100%;
         transform: none;
         transition: none;
     }

     #servicios .service-card:hover::before {
         transform: none;
     }

     #servicios .service-card--panoramic {
         padding: 1.1rem;
     }

     #servicios .service-card--panoramic p {
         font-size: 0.9rem;
         line-height: 1.4;
     }
 }

 #servicios .service-icon {
     grid-column: 1;
     grid-row: 1 / span 2;
     width: 44px;
     height: 44px;
     margin: 0.1rem 0 0;
     font-size: 1.15rem;
     box-shadow: 0 10px 24px rgba(2, 6, 23, 0.08);
 }

 #servicios .service-card h3 {
     grid-column: 2;
     margin: 0;
     font-size: 1.05rem;
     line-height: 1.25;
 }

 #servicios .service-card p {
     grid-column: 2;
     margin: 0;
     font-size: 0.92rem;
     line-height: 1.45;
 }

 #servicios .service-card--panoramic p {
     max-width: 78ch;
 }

 @media (min-width: 520px) {
     #servicios .service-card {
         display: block;
     }

     #servicios .service-card::before {
         width: 100%;
         height: 4px;
         transform: translateX(-100%);
         transition: transform 0.3s ease;
     }

     #servicios .service-card:hover::before {
         transform: translateX(0);
     }

     #servicios .service-card h3 {
         margin: 0 0 1rem;
         font-size: 1.35rem;
     }

     #servicios .service-card p {
         font-size: 1rem;
         line-height: 1.6;
     }

     #servicios .services-room--quad {
         grid-template-columns: 1fr 1fr;
     }

     #servicios .services-room--end {
         grid-template-columns: 1fr 1fr;
     }

     #servicios .service-card {
         padding: 2.25rem;
     }

     #servicios .service-icon {
         width: 64px;
         height: 64px;
         margin: 0 0 1.25rem;
         font-size: 1.6rem;
     }

     #servicios .service-card--panoramic {
         grid-column: 1 / -1;
     }
 }

 @media (min-width: 900px) {
     #servicios .services-gallery {
         gap: 2.5rem;
     }

     #servicios .services-room {
         gap: 1.5rem;
     }
 }

/* Features Section */
.features {
    padding: 60px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.feature i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    min-width: 60px;
}

.feature h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.feature p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Verification Section */
.verification {
    padding: 80px 0;
    background: white;
}

.verification-form {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Upload Section */
.upload-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.upload-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: var(--bg-light);
}

.upload-area:hover {
    border-color: var(--secondary-color);
    background: rgba(59, 130, 246, 0.05);
}

.upload-area.dragover {
    border-color: var(--secondary-color);
    background: rgba(59, 130, 246, 0.1);
}

.upload-area i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.upload-area input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    top: 0;
    left: 0;
}

.preview-container {
    margin-top: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.preview-container img {
    width: 100%;
    height: auto;
    display: block;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.contact-item > i {
    font-size: 2rem;
    color: var(--secondary-color);
    min-width: 50px;
}

.contact-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
}

.contact-channels-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin: 1rem 0;
}

.contact-channel {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: white;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    width: 100%;
    max-width: 280px;
    justify-content: center;
}

.contact-channel i {
    color: var(--secondary-color);
    font-size: 1.05rem;
    min-width: auto;
}

.contact-channel:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(59, 130, 246, 0.35);
}

.contact-form-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.25rem;
    line-height: 1.3;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.footer-logo h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-logo span {
    color: var(--secondary-color);
}

.footer-logo p {
    color: var(--text-light);
    margin-top: 0.5rem;
}

.footer-social h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        padding: 1rem;
        width: 100%;
        justify-content: center;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .form-row,
    .upload-section,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .contact-item > i {
        margin-bottom: 0.5rem;
    }
}

/* Extra small devices (320px) */
@media (max-width: 380px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    
    .contact-form-title {
        font-size: 0.95rem;
    }
    
    .nav-container {
        padding: 0.75rem 1rem;
    }
    
    .logo h1 {
        font-size: 1.2rem;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    font-weight: 500;
}

.message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

 @keyframes ccIconFloat {
     0%, 100% { transform: translateY(0); }
     50% { transform: translateY(-4px); }
 }

 @keyframes ccIconPulse {
     0%, 100% { transform: scale(1); }
     50% { transform: scale(1.06); }
 }

 @keyframes ccIconWobble {
     0%, 100% { transform: rotate(0deg); }
     50% { transform: rotate(8deg); }
 }

 @media (prefers-reduced-motion: no-preference) {
     #servicios .service-icon i {
         will-change: transform;
     }

     #servicios .service-usdt .service-icon i { animation: ccIconPulse 7.2s ease-in-out infinite; }
     #servicios .service-zinli .service-icon i { animation: ccIconFloat 7.6s ease-in-out infinite; }
     #servicios .service-paypal .service-icon i { animation: ccIconPulse 8s ease-in-out infinite; }
     #servicios .service-remesas .service-icon i { animation: ccIconFloat 8.4s ease-in-out infinite; }
     #servicios .service-bancolombia .service-icon i { animation: ccIconPulse 7.8s ease-in-out infinite; }
     #servicios .service-depositos .service-icon i { animation: ccIconFloat 9.2s ease-in-out infinite; }
     #servicios .service-pagomovil .service-icon i { animation: ccIconWobble 7.4s ease-in-out infinite; }

     #servicios .service-card:hover .service-icon i {
         transform: translateY(-2px) scale(1.04);
     }
 }

 @media (prefers-reduced-motion: reduce) {
     #servicios .service-icon i {
         animation: none !important;
     }
 }

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}