:root {
    --bg-color: #020617; /* Pizarra profunda para máximo contraste (Premium) */
    --bg-secondary: #0f172a; 
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #2563eb; /* Azul corporativo que da confianza */
    --primary-hover: #1d4ed8;
    --accent: #00f2fe; /* Cyan eléctrico para llamar a la acción */
    --accent-purple: #8b5cf6; /* Violeta para dar aura de modernidad tecnológica */
    --glass-bg: rgba(15, 23, 42, 0.4);
    --glass-border: rgba(255, 255, 255, 0.05); /* Bordes más sutiles y elegantes */
    --shadow-neon: 0 0 25px rgba(0, 242, 254, 0.3);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

span {
    color: var(--accent);
}

@keyframes text-gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

h1 span, h2 span {
    background: linear-gradient(270deg, var(--accent), #4facfe, var(--accent-purple));
    background-size: 200% 200%;
    animation: text-gradient 6s ease infinite;
    -webkit-background-clip: text; /* Safari/Webkit */
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent; /* Fallback */
    text-shadow: none; /* Evitar conflictos con clip */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-sm {
    max-width: 800px;
}

.text-center {
    text-align: center;
}

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

/* Glassmorphism Classes */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    outline: none;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #4facfe);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 242, 254, 0.5);
    background: linear-gradient(135deg, #1d4ed8, var(--accent));
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--accent);
    color: var(--bg-color);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    background: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--accent);
}

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

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:not(.btn):hover {
    color: var(--accent);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Ambient Glows */
.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    pointer-events: none;
}

.glow-1 {
    width: 400px;
    height: 400px;
    background: rgba(59, 130, 246, 0.15);
    top: -100px;
    left: -100px;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: rgba(139, 92, 246, 0.15);
    bottom: -200px;
    right: -100px;
}

.glow-3 {
    width: 600px;
    height: 600px;
    background: rgba(6, 182, 212, 0.1);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

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

.mockup-card {
    padding: 1.5rem;
    text-align: center;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.mockup-card:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0);
}

.mockup-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.red { background: #ef4444; }
.yellow { background: #eab308; }
.green { background: #22c55e; }

.neon-icon {
    color: var(--accent);
    filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.5));
    margin-bottom: 1rem;
}

.mockup-stats {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.stat-bar {
    height: 8px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
}

/* Sections Global */
section {
    padding: 6rem 0;
    position: relative;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* SmartBase3 Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--glass-border);
    transform: translateY(-5px);
    background: #151d30;
}

.icon-wrapper {
    width: 70px;
    height: 70px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
}

.icon-wrapper i {
    font-size: 1.8rem;
    color: var(--primary);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* Services Grid */
.services-section {
    background: linear-gradient(180deg, var(--bg-color) 0%, rgba(13, 19, 32, 1) 100%);
}

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

.service-card {
    padding: 2.5rem;
    transition: all 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    border-color: rgba(6, 182, 212, 0.3);
}

.service-card .neon-icon {
    font-size: 2.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

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

/* Contact CTA */
.contact-cta {
    position: relative;
    padding: 5rem 0;
}

.contact-card {
    padding: 4rem 2rem;
    background: linear-gradient(145deg, rgba(17, 24, 39, 0.8), rgba(30, 41, 59, 0.8));
    border-top: 2px solid var(--accent);
}

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

.contact-card p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group select option {
    background: var(--bg-secondary);
    color: #fff;
}

/* Footer */
footer {
    background: #060910;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-col p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.footer-col ul a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-col ul li {
    color: var(--text-muted);
    display: flex;
    gap: 10px;
    align-items: center;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* About Section */
.about-section {
    background: var(--bg-color);
}
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}
.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.about-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

/* Floating WhatsApp Button */
.float-whatsapp {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 35px;
    box-shadow: 2px 2px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    line-height: 60px;
    transition: all 0.3s ease;
}

.float-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    color: #FFF;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text p {
        margin: 0 auto 2.5rem auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-grid, .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .float-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 30px;
        line-height: 50px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        padding: 2rem;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .features-grid, .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}