/* SISTEMA DE DISEÑO ULTRA-PREMIUM MI OHT */
:root {
    --primary: #020617; /* Darker, modern background */
    --secondary: #0F172A;
    --accent: #3B82F6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --cta: #10B981; /* Emerald green - more tech */
    --cta-hover: #059669;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --border: rgba(255, 255, 255, 0.1);
    --card-bg: rgba(15, 23, 42, 0.6);
    
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Subtle grid background */
    background-image: linear-gradient(var(--border) 1px, transparent 1px), 
                      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: center top;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 10;
}

/* Background Glows */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: var(--accent);
    filter: blur(150px);
    border-radius: 50%;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}
.glow-1 { top: -10%; left: -10%; }
.glow-2 { bottom: 20%; right: -10%; background: var(--cta); opacity: 0.1; }

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em; /* Modern tight tracking */
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); margin-bottom: 1.5rem; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }

.text-gradient {
    background: linear-gradient(135deg, #60A5FA, #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-gradient-bg {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.1), rgba(167, 139, 250, 0.1));
    color: #A78BFA;
    border: 1px solid rgba(167, 139, 250, 0.2);
}

.subtitle-max {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Badges */
.badge-wrapper { margin-bottom: 2rem; }
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}
.badge-glow { box-shadow: 0 0 20px rgba(255,255,255,0.05); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    font-family: var(--font-body);
}

.btn-cta {
    background-color: var(--cta);
    color: #fff;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}
.btn-cta:hover {
    background-color: var(--cta-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

.glass-btn {
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.03);
}

/* Header - Glassmorphism */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    padding: 1rem 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}
.header.scrolled {
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.5rem; text-decoration: none; color: white; font-weight: 800; letter-spacing: -1px; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-secondary); font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: white; }

/* Sections */
section { padding: 120px 0; }
.section-header { margin-bottom: 4rem; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding-top: 80px; }
.hero-content { max-width: 900px; display: flex; flex-direction: column; align-items: center; }
.hero-subtitle { font-size: 1.25rem; color: var(--text-secondary); margin-bottom: 3rem; max-width: 700px; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-bottom: 3rem; width: 100%; }
.social-proof-mini { font-size: 0.875rem; color: var(--text-secondary); border-top: 1px solid var(--border); padding-top: 1.5rem; width: 100%; max-width: 400px; }

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
@media(min-width: 900px) {
    .bento-grid { grid-template-columns: repeat(3, 1fr); }
    .bento-large { grid-column: span 2; grid-row: span 2; }
    .bento-wide { grid-column: span 2; }
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255,255,255,0.06), transparent 40%);
    opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.2); }
.card-icon { font-size: 2.5rem; margin-bottom: 1.5rem; }

/* Comparison */
.comparison-box {
    display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 900px; margin: 0 auto;
}
.comp-col {
    padding: 3rem; border-radius: 20px; border: 1px solid var(--border);
}
.comp-bad { background: rgba(255,0,0,0.02); }
.comp-good { background: linear-gradient(180deg, rgba(16,185,129,0.1) 0%, rgba(0,0,0,0) 100%); border: 1px solid rgba(16,185,129,0.3); position: relative; }
.popular-tag { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--cta); color: white; padding: 4px 12px; border-radius: 100px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.comp-col h3 { text-align: center; margin-bottom: 2rem; }
.comp-col ul { list-style: none; }
.comp-col li { margin-bottom: 1rem; color: var(--text-secondary); padding-left: 1.5rem; position: relative; }
.comp-good li { color: white; font-weight: 500; }
.comp-bad li::before { content: '×'; position: absolute; left: 0; color: #ef4444; }
.comp-good li::before { content: '✓'; position: absolute; left: 0; color: var(--cta); }

/* CTA & Footer */
.cta-box { background: linear-gradient(135deg, var(--secondary), rgba(59,130,246,0.1)); padding: 5rem 2rem; border-radius: 24px; border: 1px solid rgba(59,130,246,0.2); }
.footer-main { border-top: 1px solid var(--border); padding: 2rem 0; }
.footer-content { display: flex; justify-content: space-between; align-items: center; color: var(--text-secondary); }

/* Mobile */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; }
    .comparison-box { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
}
/* Bento Grid (Mobile First) */
.bento-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    padding: 1.5rem; /* Padding reducido para mobile */
    border-radius: 16px; /* Bordes un poco más suaves en celular */
    border: 1px solid var(--border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: ''; 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255,255,255,0.06), transparent 40%);
    opacity: 0; 
    transition: opacity 0.3s; 
    pointer-events: none;
}

.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.2); }

.card-icon { 
    font-size: 2rem; /* Ícono apenas más chico en mobile */
    margin-bottom: 1rem; 
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card p {
    font-size: 0.95rem; /* Texto optimizado para lectura rápida */
    color: var(--text-secondary);
}

/* Tablet / Pantallas medianas */
@media(min-width: 768px) {
    .bento-grid { 
        display: grid;
        grid-template-columns: repeat(2, 1fr); 
        gap: 1.5rem;
    }
    .card {
        padding: 2rem;
        border-radius: 20px;
    }
    .bento-wide, .bento-large { 
        grid-column: span 2; 
    }
}

/* Desktop / Pantallas grandes (El diseño original) */
@media(min-width: 992px) {
    .bento-grid { 
        grid-template-columns: repeat(3, 1fr); 
    }
    .card {
        padding: 2.5rem; /* Padding premium original */
    }
    .card-icon {
        font-size: 2.5rem;
    }
    .card h3 {
        font-size: 1.5rem;
    }
    .bento-large { 
        grid-column: span 2; 
        grid-row: span 2; 
    }
    .bento-wide { 
        grid-column: span 2; 
    }
}