/* Variables globales */
:root {
    --primary-color: #10a37f;
    --primary-dark: #0e8f70;
    --primary-light: rgba(16, 163, 127, 0.1);
    --secondary-color: #343541;
    --text-dark: #333333;
    --text-light: #ffffff;
    --text-muted: #6c757d;
    --border-color: #e5e5e5;
    --bg-light: #ffffff;
    --bg-dark: #1e1e2e;
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--bg-light);
}

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

ul, ol {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
    box-shadow: 0 2px 5px rgba(16, 163, 127, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(16, 163, 127, 0.3);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* Navegación */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

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

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

.logo-img {
    height: 32px;
    margin-right: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease;
}

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

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, rgba(16, 163, 127, 0.1) 0%, rgba(52, 53, 65, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-muted);
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Features Section */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

.features {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    color: var(--primary-color);
}

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

.feature-card p {
    color: var(--text-muted);
}

/* Models Section */
.models {
    padding: 5rem 0;
    background-color: rgba(16, 163, 127, 0.05);
}

.models-comparison {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.model-card {
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    flex: 1;
    min-width: 280px;
    max-width: 400px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.model-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.model-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.model-header h3 {
    font-size: 1.8rem;
    color: var(--text-dark);
}

.model-badge {
    background-color: var(--primary-light);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.model-price {
    margin-bottom: 2rem;
    text-align: center;
}

.model-price .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.model-price .period {
    color: var(--text-muted);
    font-size: 1rem;
}

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

.model-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.model-features li i {
    margin-right: 0.75rem;
    color: var(--primary-color);
}

.model-features li.disabled {
    color: var(--text-muted);
}

.model-features li.disabled i {
    color: var(--text-muted);
}

/* Demo Section */
.demo {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

.demo-container {
    display: flex;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.demo-chat {
    flex: 1;
    min-width: 320px;
    max-width: 500px;
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.chat-header {
    background-color: var(--primary-color);
    color: var(--text-light);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-logo {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.chat-messages {
    padding: 1.5rem;
    height: 350px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    max-width: 80%;
    padding: 1rem;
    border-radius: var(--radius-md);
    position: relative;
}

.message.user {
    align-self: flex-end;
    background-color: var(--primary-light);
    color: var(--text-dark);
    border-bottom-right-radius: 0;
}

.message.ai {
    align-self: flex-start;
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-bottom-left-radius: 0;
}

.chat-input {
    display: flex;
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.chat-input input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    font-size: 1rem;
}

.chat-input button {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-md);
    padding: 0.75rem 1.25rem;
    margin-left: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.chat-input button:hover {
    background-color: var(--primary-dark);
}

.demo-text {
    flex: 1;
    min-width: 280px;
}

.demo-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.demo-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.demo-benefits {
    margin-bottom: 2rem;
}

.demo-benefits li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.demo-benefits li i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
    background-color: rgba(16, 163, 127, 0.05);
}

.testimonials-slider {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    padding: 1rem 0 2rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.testimonials-slider::-webkit-scrollbar {
    display: none;
}

.testimonial {
    flex: 0 0 auto;
    width: 100%;
    max-width: 500px;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    scroll-snap-align: center;
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-dark);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.testimonial-author p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary-color);
    transform: scale(1.3);
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: var(--bg-light);
}

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

.faq-item {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-icon {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-answer {
    padding: 0 0 1.5rem;
    color: var(--text-muted);
    display: none;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    display: block;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--text-light);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo img {
    height: 30px;
}

.footer-col p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
    line-height: 1.7;
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    margin-right: 10px;
    transition: all 0.3s;
}

.social-links a .fa-globe {
    color: #0d47a1;
    position: relative;
}

.social-links a .fa-globe:after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: #ff5722;
    bottom: 0;
    right: 0;
    border-radius: 1px;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.footer-col ul li a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    opacity: 1;
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    :root {
        --container-width: 960px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    :root {
        --container-width: 720px;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 3rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .demo-container {
        flex-direction: column;
    }
    
    .demo-chat {
        max-width: 100%;
        margin-bottom: 3rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .cta-buttons {
        display: none;
    }
    
    .model-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    :root {
        --container-width: 540px;
    }
    
    .hero {
        padding: 7rem 0 4rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
    
    .models-comparison {
        flex-direction: column;
        align-items: center;
    }
    
    .model-card {
        width: 100%;
        max-width: 450px;
        margin-bottom: 2rem;
    }
    
    .testimonial {
        max-width: 450px;
    }
    
    .cta h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
    }
    
    .btn-large {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .model-card {
        padding: 1.5rem;
    }
    
    .model-header h3 {
        font-size: 1.5rem;
    }
    
    .model-price .price {
        font-size: 2rem;
    }
    
    .testimonial {
        padding: 1.5rem;
    }
    
    .testimonial-content p {
        font-size: 1rem;
    }
    
    .faq-question h3 {
        font-size: 1.1rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
    
    .cta p {
        font-size: 1.1rem;
    }
    
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

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

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

.hero-image img {
    animation: float 6s ease-in-out infinite;
}

/* Estilos para el menú móvil */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-light);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    padding: 2rem;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    margin-bottom: 2rem;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-menu-links a {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-dark);
}

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

.mobile-menu-cta {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}