/* Reset y variables globales */
* { 
    margin: 0;
    padding: 0;
    box-sizing: border-box; 
}

:root { 
    --accent: #009663;        /* Color de acento en tono verde elegante */
    --bg: #ffffff;            /* Fondo blanco en lugar de negro */
    --card-bg: #f8f9fa;       /* Fondo claro para tarjetas */
    --text: #2d2d2d;          /* Texto oscuro para buena legibilidad */
    --text-light: #666666;    /* Texto secundario */
    --border: #e2e2e2;        /* Color de bordes suaves */
    --transition: all 0.3s ease; 
}

body { 
    font-family: 'Inter', sans-serif; 
    background: var(--bg); 
    color: var(--text); 
    margin: 0; 
    padding: 0; 
    line-height: 1.7; 
}

/* --- Barra de Navegación --- */
.navbar {
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--border);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo { 
    font-weight: 700; 
    font-size: 1.3rem; 
    color: var(--accent); 
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active { 
    color: var(--accent); 
}

/* --- Encabezado / Inicio --- */
#home { 
    padding: 70px 20px; 
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.logo { 
    width: 150px; 
    border: 2px solid var(--accent); 
    border-radius: 20px; 
    padding: 6px; 
    transition: var(--transition); 
}

.logo:hover { 
    transform: scale(1.05); 
    box-shadow: 0 0 15px rgba(0, 150, 99, 0.25); 
}

h1 { 
    color: #1a1a1a; 
    margin: 25px 0 12px; 
    font-size: 2.6rem; 
}

.tagline { 
    color: var(--accent); 
    font-weight: 600; 
    text-transform: uppercase; 
    letter-spacing: 1.5px;
    font-size: 1rem;
}

/* --- Secciones generales --- */
.page-section {
    padding: 60px 20px 30px;
    max-width: 900px;
    margin: 0 auto;
}

main { 
    max-width: 900px; 
    margin: 0 auto; 
    padding: 0 20px; 
}

h2 { 
    font-size: 2rem; 
    margin-bottom: 1.5rem; 
    color: #1a1a1a;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
    display: inline-block;
}

h3 {
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text);
}

ul, ol {
    padding-left: 22px;
    margin-bottom: 1rem;
}

code, kbd {
    background: #e9ecef;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.95rem;
    color: #c026d3;
}

/* --- Contenedor de anuncios --- */
.ad-container {
    max-width: 900px;
    margin: 2.5rem auto;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    overflow: hidden;
    text-align: center;
}

.ad-container ins {
    width: 100% !important;
    margin: 0 auto;
    display: block;
}

/* --- Grid y Tarjetas --- */
.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 24px; 
    margin-top: 35px; 
}

.card { 
    background: var(--card-bg); 
    padding: 25px; 
    border-radius: 14px; 
    border: 1px solid var(--border); 
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
}

.card:hover { 
    border-color: var(--accent); 
    transform: translateY(-4px); 
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

/* --- Botón --- */
.btn-primary {
    display: inline-block;
    margin-top: 1rem;
    padding: 12px 24px;
    background-color: var(--accent);
    color: #ffffff;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: var(--transition);
    text-align: center;
}

.btn-primary:hover {
    background-color: #007a52;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 150, 99, 0.2);
    color: #ffffff;
}

/* --- Enlaces generales --- */
a { 
    color: var(--accent); 
    text-decoration: none; 
    transition: var(--transition); 
}

a:hover { 
    text-decoration: underline; 
    color: #007a52; 
}

/* --- Pie de página --- */
footer { 
    text-align: center; 
    padding: 35px 20px; 
    margin-top: 40px;
    border-top: 1px solid var(--border); 
    color: var(--text-light); 
    font-size: 0.9rem; 
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Responsividad para móviles --- */
@media (max-width: 768px) {
    .nav-container { 
        flex-direction: column; 
        gap: 12px; 
    }
    .nav-menu { 
        gap: 15px; 
        flex-wrap: wrap;
        justify-content: center;
    }
    #home { 
        padding: 40px 15px; 
    }
    h1 { 
        font-size: 1.9rem; 
    }
    h2 {
        font-size: 1.5rem;
    }
    .page-section {
        padding: 40px 15px 20px;
    }
    .ad-container {
        margin: 1.8rem auto;
        padding: 0.8rem;
    }
    .grid {
        gap: 18px;
    }
}