@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    /* Paleta de Colores */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-light: #F8FAFC;
    --primary: #7C3AED;
    --primary-hover: #6D28D9;
    --accent: #2DD4BF;
    --text-main: #334155;
    --text-heading: #0f172a;
    --text-light: #e2e8f0;
    
    /* Efectos */
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 10px 40px -10px rgba(0,0,0,0.08);
}

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

html, body {
    width: 100%;
    overflow-x: hidden; /* CRÍTICO: Evita el scroll horizontal fantasma */
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- Layout Utilities --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px; /* Padding seguro para móviles */
}

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

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* --- Header --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: 0.3s;
    background: rgba(15, 23, 42, 0.9); /* Más opaco para mejor lectura */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    color: white;
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap; /* Evita que el logo se rompa en dos líneas */
}

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

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: 0.3s;
}

.nav-links a:hover, .nav-links a.active { color: white; }

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

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

.btn-outline {
    border: 1px solid rgba(0,0,0,0.1);
    color: var(--text-heading);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--text-heading);
}

/* --- Hero Section --- */
.hero {
    background-color: var(--bg-dark);
    min-height: 85vh; /* Ajustado para móviles */
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden; /* Contiene el efecto aurora */
    color: white;
    padding: 120px 0 80px 0; /* Más padding top por el header fijo */
}

.hero-bg {
    position: absolute;
    width: 100%;
    max-width: 600px; /* Límite máximo */
    height: 600px;
    background: radial-gradient(circle, rgba(45,212,191,0.2) 0%, rgba(124,58,237,0.15) 50%, rgba(0,0,0,0) 70%);
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    filter: blur(60px);
    z-index: 0;
    animation: float 6s ease-in-out infinite;
    pointer-events: none; /* Click through */
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(45, 212, 191, 0.1);
    border: 1px solid rgba(45, 212, 191, 0.3);
    color: var(--accent);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem); /* Responsive typography fluido */
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero p.subheadline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: #cbd5e1;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 10px;
}

/* --- General Sections --- */
section {
    padding: 80px 0;
    position: relative;
    width: 100%;
}

.section-dark {
    background-color: var(--bg-dark);
    color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 15px;
    color: var(--bg-dark);
    line-height: 1.2;
}

.section-dark .section-title h2 { color: white; }

/* --- Grids --- */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* --- Cards --- */
.card, .illustration-box {
    background: white;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: var(--card-shadow);
    transition: 0.3s;
    position: relative;
    overflow: hidden;
    height: 100%; /* Igualar alturas en grid */
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: #F3F0FF;
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--text-heading);
}

/* Dark Card Variant */
.card-dark {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
}
.card-dark h3 { color: white; }
.card-dark p { color: #94a3b8; }
.card-dark .card-icon { background: rgba(45, 212, 191, 0.1); color: var(--accent); }

/* --- Illustration Components --- */
.illustration-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #F1F5F9;
    min-height: 250px;
}

.chart-mock {
    width: 100%;
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 150px;
}

.bar {
    flex: 1;
    background: #cbd5e1;
    border-radius: 4px;
    animation: fadeUp 1s ease-out forwards;
}
.bar.highlight { background: var(--primary); }

.float-tag {
    position: absolute;
    background: white;
    padding: 8px 16px;
    border-radius: 50px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    animation: float 4s ease-in-out infinite;
    z-index: 2;
}

/* --- Footer --- */
footer {
    background: var(--bg-darker);
    color: white;
    padding: 60px 0 30px;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { color: #94a3b8; text-decoration: none; }

/* --- RESPONSIVE MEDIA QUERIES --- */

/* Tablet & Mobile (Menos de 1024px) */
@media (max-width: 1024px) {
    .container { padding: 0 24px; }
    .hero h1 { font-size: 3rem; }
}

/* Mobile Devices (Menos de 768px) */
@media (max-width: 768px) {
    
    /* Header */
    header { padding: 12px 0; }
    .nav-links {
        display: none; /* Ocultamos menú desktop. (Para menú móvil se requiere JS extra) */
    }
    /* Mantenemos el botón CTA visible o lo ocultamos según preferencia. 
       Aquí ocultamos la lista pero dejamos el logo. */
    
    /* Hero */
    .hero {
        padding-top: 100px;
        min-height: auto; /* Altura natural en móvil */
        padding-bottom: 60px;
    }
    
    .hero-bg {
        width: 100%;
        height: 400px;
        filter: blur(40px); /* Menos blur para rendimiento */
    }

    /* Sections */
    section { padding: 50px 0; }
    
    .section-title { margin-bottom: 40px; }
    
    /* Grids: Transformar todo a 1 columna */
    .grid-2, 
    .grid-3, 
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Invertir orden en bloques de texto/imagen si es necesario */
    .grid-2 > div:first-child { order: 1; } /* Texto primero generalmente */
    
    /* Cards */
    .card, .illustration-box {
        padding: 25px; /* Menos padding interno */
    }

    /* Footer Fix Específico */
    .footer-grid {
        text-align: left; /* Alineación natural */
    }
    
    .footer-col {
        border-bottom: 1px solid rgba(255,255,255,0.05);
        padding-bottom: 20px;
    }
    .footer-col:last-child { border-bottom: none; }

    /* Float Tags (Ajuste para que no se salgan) */
    .float-tag {
        position: relative;
        top: auto !important;
        right: auto !important;
        left: auto !important;
        display: inline-flex;
        margin: 5px;
        animation: none; /* Quitamos animación en móvil para no marear */
    }
    
    .illustration-box {
        align-items: center;
        text-align: center;
    }
}