/* Reset y variables base */
* { box-sizing: border-box; }

body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #0b0e14; 
    color: #cbd5e1; 
    line-height: 1.6;
    margin: 0;
}

/* Header */
.hero { 
    padding: 80px 20px; 
    text-align: center; 
    background: linear-gradient(180deg, #1e293b 0%, #0b0e14 100%);
}

h1 { font-size: 3rem; color: #ffffff; margin-bottom: 0.5rem; }

.tagline { 
    color: #ffffff; 
    font-size: 1.8rem; 
    font-weight: 600; 
    margin-bottom: 30px; 
    line-height: 1.2;
}

/* Botones */
.button-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.cta-button { 
    display: inline-block; padding: 12px 30px; 
    background: #3b82f6; color: white; text-decoration: none; 
    border-radius: 8px; font-weight: 600; transition: 0.3s;
}
.cta-button:hover { background: #2563eb; }

.cta-button.secondary { background: #475569; }
.cta-button.secondary:hover { background: #334155; }

/* Contenedor principal */
.container { max-width: 1200px; margin: auto; padding: 40px 20px; }

h2 { color: #f8fafc; border-left: 4px solid #3b82f6; padding-left: 15px; margin-top: 40px; }
h3 { color: #e2e8f0; margin-top: 25px; }

/* Grid para columnas paralelas */
.lang-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 60px; 
    align-items: start;
    width: 100%;
}

.lang-col { text-align: justify; min-width: 0; }

/* Tecnologías */
.tech-stack { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 20px; }
.tech-stack span { 
    background: #1e293b; padding: 8px 20px; border-radius: 20px; 
    border: 1px solid #334155; font-size: 0.9rem; font-weight: 500;
}

/* Imagen de Resultados */
.dashboard-preview { margin-top: 40px; text-align: center; }
.dashboard-preview img { 
    width: 100%; max-width: 900px; border-radius: 12px; 
    border: 1px solid #1e293b; box-shadow: 0 20px 25px -5px rgba(0,0,0,0.5);
}
figcaption { color: #64748b; font-style: italic; margin-top: 15px; }

/* Responsividad */
@media (max-width: 900px) { 
    .lang-grid { grid-template-columns: 1fr; gap: 30px; } 
}