/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #c0392b;
    --primary-dark: #a93226;
    --secondary-color: #a93226;
    --accent-color: #e74c3c;
    --dark-color: #1d1d1d;
    --darker-color: #0f0f0f;
    --light-color: #ffffff;
    --gray-color: #6c757d;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

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

/* Header y Navegación */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 2rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--darker-color) 0%, var(--dark-color) 100%);
    color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23c0392b" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    animation: highlight 2s ease-in-out infinite;
}

@keyframes highlight {
    0%, 100% { transform: scaleX(0); }
    50% { transform: scaleX(1); }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::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: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--light-color);
    box-shadow: var(--shadow);
}

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

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

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

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

/* Hero Card Animation */
.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 600;
}

.rfid-animation {
    position: relative;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.card-scan {
    width: 80px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: 8px;
    position: relative;
    animation: cardPulse 2s ease-in-out infinite;
}

@keyframes cardPulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
}

.scan-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    animation: scanMove 3s ease-in-out infinite;
}

@keyframes scanMove {
    0% { top: 0; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.status-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 255, 0, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 0, 0.3);
}

.status-light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: statusBlink 2s ease-in-out infinite;
}

.status-light.green {
    background: #00ff00;
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

@keyframes statusBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    animation: bounce 2s infinite;
    color: var(--primary-color);
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* 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(--dark-color);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 0;
    background: var(--light-gray);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background: var(--light-color);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.step-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--light-color);
    position: relative;
}

.step-icon::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.1; }
    100% { transform: scale(1); opacity: 0.3; }
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.step p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: var(--light-color);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.benefit-card {
    padding: 2rem;
    background: var(--light-color);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--light-color);
}

.benefit-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.benefit-card p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Gallery Section */
.gallery {
    padding: 6rem 0;
    background: var(--light-gray);
}

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

.gallery-item {
    background: var(--light-color);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.gallery-placeholder {
    padding: 3rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--light-color);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.gallery-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.gallery-placeholder h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-placeholder p {
    opacity: 0.9;
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: var(--light-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--light-color);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
    position: relative;
    box-shadow: var(--shadow-hover);
}

.pricing-card.popular::before {
    content: 'Recomendado';
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: var(--light-color);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.pricing-header .price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.pricing-header .period {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.pricing-card .btn {
    margin-bottom: 2rem;
    background: var(--primary-color);
    border-radius: 8px;
    color: var(--light-color);
}

.pricing-card .btn:hover {
    background: var(--primary-dark);
}

.features-list {
    list-style: none;
    margin-top: auto;
    padding-left: 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--gray-color);
}

.features-list li i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: var(--dark-color);
    color: var(--light-color);
}

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

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.1rem;
    color: #b0b0b0;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.contact-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-feature i {
    font-size: 1.2rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #b0b0b0;
}

.contact-item i {
    color: var(--primary-color);
    width: 20px;
}

/* Contact Form */
.contact-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select option {
    background: var(--dark-color);
    color: var(--light-color);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
}

.footer-brand p {
    color: #b0b0b0;
    margin-bottom: 0.5rem;
}

.footer-thesis {
    font-style: italic;
    color: var(--primary-color) !important;
    font-size: 0.9rem;
}

.footer h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul li a {
    color: #b0b0b0;
    text-decoration: none;
    transition: var(--transition);
}

.footer ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: #b0b0b0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem;
    }
}

/* Animaciones de scroll */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

@media (max-width: 992px) {
    .pricing-card.popular {
        transform: scale(1);
    }
}

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

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

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

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