:root {
    --primary: #dc2626;
    --primary-dark: #b91c1c;
    --primary-light: #ef4444;
    --secondary: #f87171;
    --accent: #fca5a5;
    --dark-bg: #0f0f0f;
    --dark-card: #1a1a1a;
    --dark-card-hover: #242424;
    --text-primary: #f5f5f5;
    --text-secondary: #a3a3a3;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #374151;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
    border: none;
    cursor: pointer;
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(251, 191, 36, 0.6);
    background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
}

.btn-whatsapp svg {
    width: 28px;
    height: 28px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.3);
    border: none;
    cursor: pointer;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(220, 38, 38, 0.5);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 50px;
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    color: #fbbf24;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(45, 45, 45, 0.5);
    border: none;
    cursor: pointer;
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(45, 45, 45, 0.7);
    background: linear-gradient(135deg, #3d3d3d 0%, #2d2d2d 100%);
}

.btn-cta svg {
    width: 30px;
    height: 30px;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(220, 38, 38, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(239, 68, 68, 0.08) 0%, transparent 50%);
}

.hero-content {
    text-align: left;
    z-index: 1;
    flex: 1;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    gap: 4rem;
    z-index: 1;
    position: relative;
}

.hero-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInRight 1s ease 0.5s both;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(220, 38, 38, 0.3);
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-logo {
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease;
}

.hero-logo img {
    max-width: 300px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 40px rgba(220, 38, 38, 0.4));
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.3s both;
}

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

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-badges {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--dark-card);
    border-radius: 50px;
    border: 1px solid var(--primary);
    transition: all 0.3s;
}

.badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(220, 38, 38, 0.3);
    background: var(--dark-card-hover);
}

.badge svg {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
}

.badge span {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.features {
    padding: 6rem 0;
}

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

.feature-card {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(220, 38, 38, 0.2);
    background: var(--dark-card-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.devices {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-card) 50%, var(--dark-bg) 100%);
}

.devices-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.device-card {
    background: var(--dark-bg);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.device-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-light);
    box-shadow: 0 15px 30px rgba(239, 68, 68, 0.2);
    background: var(--dark-card-hover);
}

.device-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.device-icon svg {
    width: 35px;
    height: 35px;
    color: white;
}

.device-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.device-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.how-it-works {
    padding: 6rem 0;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-light) 100%);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 0 0 8px var(--dark-bg), 0 5px 20px rgba(220, 38, 38, 0.3);
}

.timeline-content {
    background: var(--dark-card);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(220, 38, 38, 0.2);
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -250px;
    right: -250px;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: white;
}

.cta p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.95);
}

.faq {
    padding: 6rem 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--dark-card);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.faq-toggle {
    font-size: 2rem;
    color: var(--primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer {
    background: var(--dark-card);
    padding: 4rem 0 2rem;
    border-top: 2px solid var(--primary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.footer-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--secondary);
}

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 50px;
    color: #374151 !important;
    font-weight: 600;
    transition: all 0.3s;
}

.footer-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(251, 191, 36, 0.4);
    background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(220, 38, 38, 0.2);
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .hero-wrapper {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .devices-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-logo img {
        max-width: 250px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .badge {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-whatsapp, .btn-secondary {
        width: 100%;
        max-width: 350px;
        justify-content: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .devices-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
    
    .cta p {
        font-size: 1.1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        max-width: 150px;
        margin: 0 auto 1rem;
    }
}

@media (max-width: 480px) {
    .hero-logo img {
        max-width: 200px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-whatsapp, .btn-secondary {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .btn-cta {
        padding: 16px 35px;
        font-size: 1rem;
    }
}