:root {
    /* Color Palette */
    --color-bg: #0A0A0A;
    --color-bg-secondary: #1A1A1A;
    --color-text: #F5F5F5;
    --color-text-muted: #A3A3A3;
    --color-accent: #C8AA6E;
    --color-accent-hover: #D6B97F;
    --color-glass: rgba(255, 255, 255, 0.05);
    --color-glass-border: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    /* 8px */
    --spacing-md: 1rem;
    /* 16px */
    --spacing-lg: 2rem;
    /* 32px */
    --spacing-xl: 4rem;
    /* 64px */

    /* Effects */
    --shadow-gold: 0 4px 20px rgba(200, 170, 110, 0.2);
    --radius-sm: 8px;
    --radius-md: 16px;
    --transition-fast: 0.3s ease;
}

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-accent);
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), #B09255);
    color: #000;
}

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

.btn-secondary {
    background: transparent;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

.btn-secondary:hover {
    background: rgba(200, 170, 110, 0.1);
}

/* Glassmorphism Card */
.glass-card {
    background: var(--color-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Sections General */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-title p {
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-column h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    font-size: 1.5rem;
    border-bottom: 1px solid var(--color-glass-border);
    padding-bottom: var(--spacing-sm);
}

.feature-card {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.feature-card:hover {
    border-color: var(--color-accent);
    transform: translateX(5px);
}

.feature-card i {
    color: var(--color-accent);
    margin-right: 10px;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border: 1px solid var(--color-accent);
    box-shadow: 0 0 30px rgba(200, 170, 110, 0.1);
}

.pricing-card.featured::before {
    content: 'Recomendado';
    position: absolute;
    top: 12px;
    right: -30px;
    background: var(--color-accent);
    color: #000;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: bold;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.pricing-header h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-muted);
}

.pricing-features li i {
    color: var(--color-accent);
    margin-right: 10px;
}

/* About Section */
.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Footer */
footer {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--color-glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h4 {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col ul li a {
    color: var(--color-text-muted);
}

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

.social-links a {
    color: var(--color-text);
    font-size: 1.2rem;
    margin-right: 15px;
}

.social-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-glass-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Demo Page Styles */
.tab-btn {
    background: transparent;
    border: none;
    padding: 10px 30px;
    border-radius: 50px;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: var(--transition-fast);
}

.tab-btn.active {
    background: var(--color-accent);
    color: #000;
    font-weight: 600;
    box-shadow: var(--shadow-gold);
}

.tab-btn:hover:not(.active) {
    color: var(--color-text);
}

/* Testimonials */
.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    padding: 20px;
}

.carousel-container {
    position: relative;
    height: 250px;
    /* Fixed height to prevent jumps */
}

.testimonial-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
    transform: translateX(50px);
    pointer-events: none;
    /* Prevent clicks on hidden slides */
    text-align: center;
    border: 1px solid var(--color-accent);
    /* Make them pop */
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    z-index: 10;
}

.stars {
    color: var(--color-accent);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--color-text);
}

.client-info {
    display: flex;
    flex-direction: column;
}

.client-name {
    font-weight: bold;
    color: var(--color-accent);
}

.client-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.dot {
    width: 12px;
    height: 12px;
    background: var(--color-glass-border);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active,
.dot:hover {
    background: var(--color-accent);
}

/* Opina Page */
.feedback-form input,
.feedback-form textarea,
.feedback-form select {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: var(--font-body);
}

.feedback-form input:focus,
.feedback-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.1);
}

.rating-stars {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: center;
}

.star-input {
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.star-input.selected,
.star-input:hover {
    color: var(--color-accent);
}

/* Mobile Menu Toggle */
#mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    background: var(--color-accent);
    color: #000;
    border: none;
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(200, 170, 110, 0.4);
}

/* Sistema Cards Responsive */
.sistema-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sistema-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(200, 170, 110, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    /* Mobile Menu */
    #mobile-menu-toggle {
        display: block;
    }

    .navbar {
        width: 100% !important;
        top: 0 !important;
        border-radius: 0 !important;
        transform: none !important;
        left: 0 !important;
        position: fixed !important;
        flex-direction: column;
        gap: 10px;
        padding: 15px 20px !important;
        max-height: 100vh;
        overflow-y: auto;
        transition: transform 0.3s ease;
        transform: translateY(-100%) !important;
    }

    .navbar.active {
        transform: translateY(0) !important;
    }

    .nav-links {
        gap: 10px !important;
        flex-direction: column !important;
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 10px;
        border-bottom: 1px solid var(--color-glass-border);
    }

    .hero-content h1 {
        font-size: 2.2rem !important;
        line-height: 1.2;
        margin-bottom: 20px;
    }

    .hero-desc {
        margin-left: auto !important;
        margin-right: auto !important;
    }

    #hero .container {
        grid-template-columns: 1fr !important;
        text-align: center;
        padding-top: 60px;
    }

    .hero-image {
        margin-top: 30px;
    }

    .hero-image img {
        width: 100% !important;
        left: 0 !important;
    }

    .cta-group {
        justify-content: center;
        flex-direction: column;
        gap: 15px !important;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .section-title p {
        font-size: 0.95rem;
    }

    /* Features Grid Mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Pricing Grid Mobile */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Testimonials - IMPROVED */
    .testimonial-carousel {
        padding: 40px 15px;
        max-width: 100%;
    }

    .carousel-container {
        min-height: 380px;
        height: auto;
    }

    .testimonial-card {
        padding: 2rem 1.5rem;
        border: 2px solid var(--color-accent) !important;
        box-shadow: 0 4px 20px rgba(200, 170, 110, 0.15);
    }

    .stars {
        font-size: 1.8rem;
        margin-bottom: 20px;
        letter-spacing: 3px;
    }

    .testimonial-text {
        font-size: 1.05rem;
        line-height: 1.7;
        margin-bottom: 25px;
        color: var(--color-text);
        font-weight: 400;
    }

    .client-info {
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid var(--color-glass-border);
    }

    .client-name {
        font-size: 1.1rem;
        margin-bottom: 5px;
    }

    .client-date {
        font-size: 0.9rem;
    }

    .carousel-dots {
        gap: 15px;
        margin-top: 35px;
    }

    .dot {
        width: 14px;
        height: 14px;
        border: 2px solid var(--color-glass-border);
        background: transparent;
    }

    .dot.active {
        background: var(--color-accent);
        border-color: var(--color-accent);
        transform: scale(1.2);
    }

    /* Footer Mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .social-links {
        justify-content: center;
        display: flex;
        gap: 20px;
    }

    .footer-col ul {
        margin-bottom: 10px;
    }

    /* Sistema Section Mobile */
    #sistema .section-title h3 {
        font-size: 1.5rem;
    }
}