/* ACADEMIA REINVENTA - ESTILO INTEGRAL 2026
   Concepto: Minimalismo Institucional / High-End Education
   Paleta: Madera (#8b5a2b), Arena (#d4a373), Blanco Hueso (#fcfbf9)
*/

:root {
    --color-fondo: #fcfbf9;      
    --color-texto: #1a1a1a;      
    --color-acento: #8b5a2b;     /* Madera institucional */
    --color-acento-claro: #d4a373; /* Arena/Dorado */
    --color-whatsapp: #25d366;   
    --blanco: #ffffff;
    --sombra-premium: 0 15px 35px rgba(0,0,0,0.05);
}

/* --- RESET Y BASES --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

section { padding: 100px 0; }
.text-center { text-align: center; }

/* --- NAVEGACIÓN (HEADER) --- */
header {
    background: var(--blanco);
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--color-acento);
    letter-spacing: -1px;
    text-transform: uppercase;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #555;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover { color: var(--color-acento); }

.btn-nav {
    background: var(--color-acento);
    color: white !important;
    padding: 10px 20px;
    border-radius: 4px;
}

/* --- HERO SECTION --- */
#hero {
    background: #fdfaf5;
    padding: 140px 0;
    border-bottom: 1px solid #f0ece6;
}

h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #111;
}

.highlight { color: var(--color-acento); }

.subtitle {
    font-size: 1.3rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* --- TARJETAS DEL MÉTODO REPLICA --- */
.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    width: 60px;
    height: 4px;
    background: var(--color-acento);
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.replica-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.step-card {
    background: var(--blanco);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--sombra-premium);
}

.method-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.letter {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-acento);
    margin-bottom: 10px;
}

/* --- MANIFIESTO (MODO OSCURO PREMIUM) --- */
.bg-dark {
    background-color: #1a1a1a;
    color: #eee;
}

.white { color: #fff !important; }
.gold { color: var(--color-acento-claro) !important; font-style: italic; }

.manifiesto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30%, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.manifiesto-item h3 {
    color: var(--color-acento-claro);
    border-left: 3px solid var(--color-acento);
    padding-left: 15px;
    font-size: 1.1rem;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.author-link {
    color: var(--color-acento-claro);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding-bottom: 2px;
}

.author-link:hover { color: #fff; }

.quote-box {
    margin-top: 80px;
    border-top: 1px solid #333;
    padding-top: 50px;
}

blockquote {
    font-size: 1.6rem;
    font-family: 'Georgia', serif;
    font-style: italic;
    color: var(--color-acento-claro);
    max-width: 800px;
    margin: 0 auto;
}

/* --- PRECIOS Y NIVELES (CENTRADOS) --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-content: center; /* Esto centra la última tarjeta si queda sola */
    max-width: 1000px; /* Estrecha un poco el contenedor para que luzca mejor */
    margin: 0 auto;
}

/* Ajuste para que si hay 4, no se vea una huérfana gigante */
@media (min-width: 1100px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 320px); /* Las agrupa en 2x2 para mayor simetría */
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr; /* En móvil una tras otra */
    }
}

.card {
    background: var(--blanco);
    padding: 50px 35px;
    border-radius: 15px;
    border: 1px solid #eee;
    text-align: center;
    position: relative;
}

.card.featured {
    border: 2px solid var(--color-acento);
    box-shadow: var(--sombra-premium);
}

.price {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-acento);
    margin: 20px 0 5px 0;
}

.sessions {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 25px;
    font-weight: 600;
}

.card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 35px;
}

.card li {
    padding: 10px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid #f9f9f9;
}

.badge {
    font-size: 0.65rem;
    letter-spacing: 2px;
    font-weight: 800;
    color: #aaa;
    text-transform: uppercase;
}

.badge.active { color: var(--color-acento); }

/* --- BANNER PROMOCIONAL --- */
.full-course-banner {
    background: #fff;
    border: 2px dashed var(--color-acento);
    border-radius: 20px;
    padding: 50px;
    margin-top: 60px;
    text-align: center;
}

.promo-box {
    background: #fdf5eb;
    display: inline-block;
    padding: 20px 40px;
    border-radius: 10px;
    margin-top: 20px;
    border: 1px solid #fae7d0;
}

.promo-box strong {
    color: var(--color-acento);
    font-size: 1.6rem;
    display: block;
}

/* --- BOTONES --- */
.btn-whatsapp {
    display: block;
    background: var(--color-whatsapp);
    color: white;
    text-decoration: none;
    padding: 16px;
    border-radius: 8px;
    font-weight: 700;
    transition: transform 0.2s;
}

.btn-whatsapp:hover { transform: scale(1.02); }

.whatsapp-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--color-whatsapp);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    z-index: 2000;
}

/* --- FOOTER --- */
footer {
    background: #fff;
    padding: 50px 0;
    border-top: 1px solid #eee;
    color: #999;
    font-size: 0.85rem;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    header .header-flex { flex-direction: column; gap: 20px; }
    .manifiesto-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
}