:root {
    --yellow: #f1c40f;
    --blue-dark: #0a2e52;
    --bg-dark: #0f0f0f;
    --blue-accent: #0d4a7d;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: white;
    font-family: 'Montserrat', sans-serif;
    overflow-x: hidden;
}

h1, h2, h3, h4, .event-date {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
}

/* --- HERO SECTION --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: url('https://jovenes.atec.mx/img/pic1.png') center/cover no-repeat;
    background-color: black;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    z-index: 0;
    transform: translate(-50%, -50%);
    object-fit: cover; 
}

/* Ajustes específicos para móviles */
@media (max-width: 768px) {
    .hero {
        /* En móviles, a veces una altura de 100vh corta mucho el video horizontal */
        /* Podemos bajarlo a 60vh o 70vh si quieres que se vea más proporción del video */
        height: 80vh; 
    }

    .hero-video {
        /* Mantenemos object-fit cover, pero podrías probar 'contain' 
           si no te importa ver el fondo de la sección detrás */
        object-fit: cover;
    }
.main-title {
        font-size: 3.5rem; /* Ajuste de tamaño para que quepa en pantalla móvil */
    }
}


.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.hero-content {
    z-index: 2;
    padding: 20px;
}

.main-title {
    font-size: clamp(4rem, 15vw, 8rem);
    margin: 0;
    line-height: 0.9;
    letter-spacing: -2px;
}

.subtitle {
    color: var(--yellow);
    font-size: clamp(1rem, 5vw, 2rem);
    margin-bottom: 5px;
}

.verse {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 20px auto 0;
    opacity: 0.9;
}

/* --- EVENT CARDS --- */
.events-container {
    padding: 100px 20px;
    max-width: 900px;
    margin: 0 auto;
}

.event-card-v2 {
    background: rgba(4, 71, 172, 0.15);
    border-radius: 15px;
    margin-bottom: 30px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.3s ease, background 0.3s ease;
}

.event-card-v2:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.accordion-header {
    display: grid;
    grid-template-columns: 180px 1fr 220px;
    cursor: pointer;
    align-items: center;
}

.card-logo {
    padding: 20px;
    display: flex;
    justify-content: center;
}

.card-logo img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.2);
}

.card-body {
    padding: 20px;
}

.card-body h3 {
    ont-family: 'Oswald', sans-serif;
    font-size: 2rem;
    margin: 0;
    line-height: 1.1;
    text-transform: uppercase;
}

.event-subtitle {
    margin-top: 10px;
    font-size: 1.1rem;
    opacity: 0.8;
}

.card-date-box {
    background: var(--blue-accent);
    height: 74%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.date-content .day {
    display: block;
    font-size: 3.5rem;
    font-weight: bold;
    font-family: 'Oswald', sans-serif;
    line-height: 1;
    text-align: center;
    
}

.date-content .month {
    display: block;
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-align: center;
}

.date-content .year {
    display: block;
    font-size: 1rem;
    opacity: 0.9;
}

.btn-register-card {
    background-color: #fdd835;
    color: #0d4a7d;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.85rem;
    margin-top: 15px;
    transition: all 0.3s ease;
    width: 80%;
    text-align: center;
}

.btn-register-card:hover {
    background-color: white;
    transform: scale(1.05);
}

/* Ajuste Responsivo para Móviles */
@media (max-width: 768px) {
    .event-card-v2 {
        grid-template-columns: 1fr; /* Una sola columna en móvil */
        text-align: center;
        gap: 20px;
    }
    
    .card-date-box {
        width: 100%;
        padding: 30px 0;
        align-items: center;
        
    }


}


/* --- ACORDEÓN CONTENIDO --- */
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(0, 0, 0, 0.4);
}

.accordion-item.active .accordion-content {
    max-height: 1500px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.details-container {
    padding: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.video-wrapper video {
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.details-text p { margin-bottom: 15px; line-height: 1.6; }
.important-box {
    background: rgba(241, 196, 15, 0.08);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid var(--yellow);
    margin: 25px 0;
}

.map-link { color: var(--yellow); font-weight: bold; }

/* --- FOOTER --- */
.main-footer {
    background-color: #050505;
    color: white;
    padding: 60px 20px 20px 20px;
    border-top: 4px solid var(--yellow);
    margin-top: 50px;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-info h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.footer-info h3 span {
    color: var(--yellow);
}


.qr-container {
    background: white;
    padding: 10px;
    width: 130px;
    height: 130px;
    border-radius: 15px;
    margin: 0 auto;
}

.qr-container img {
    width: 100%;
    height: 100%;
}

.dev-signature {
    margin-top: 20px;
    font-size: 0.65rem;
    opacity: 0.4;
    text-align: center;
}

.dev-signature a {
    color: inherit;
    text-decoration: none;
    font-weight: bold;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.dev-signature:hover {
    opacity: 1; /* Se ilumina al pasar el mouse */
    letter-spacing: 1.5px; /* Efecto sutil de expansión */
}

.dev-signature a:hover {
    color: var(--yellow); /* Cambia al color del tema */
    border-bottom: 1px solid var(--yellow);
}

.qr-link {
    text-decoration: none; /* Quita el subrayado del texto */
    display: block;
    transition: all 0.3s ease;
}
/* Efecto al pasar el mouse (Hover) */
.qr-link:hover .qr-container {
    transform: scale(1.1); /* Agranda el QR */
    box-shadow: 0 0 25px rgba(37, 211, 102, 0.4); /* Brillo verde WhatsApp */
}

.qr-link:hover p {
    color: #25d366; /* El texto cambia a verde WhatsApp al pasar el mouse */
    letter-spacing: 2px;
    }


/* --- RESPONSIVO --- */
@media (max-width: 850px) {
    .accordion-header {
        grid-template-columns: 1fr;
    }
    
    .card-date-box { 
        
        padding: 40px 20px; 
        width: 100%;
        padding: 30px 0;
        align-items: center;
        }

    .details-container {
        grid-template-columns: 1fr;
        padding: 25px;
    }
    
    .hero { height: 75vh; }
    
    .footer-content {
        flex-direction: column;
        align-items: center;

}

.qr-placeholder {
    width: 120px;
    height: 120px;
    background: white;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: black;
    font-weight: bold;
}


.social-links {
    margin-top: 20px;
}

.social-links a {
    color: white;
    text-decoration: none;
    margin-right: 15px;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.social-links a:hover {
    opacity: 1;
    color: var(--yellow);
}




.footer-qr {
    text-align: center;
}


.footer-qr p {
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
    color: var(--yellow);
    margin-top: 10px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.email-link {
    color: white; /* Mantiene el color blanco */
    text-decoration: none; /* Quita el subrayado feo */
    transition: all 0.3s ease;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.3); /* Una línea sutil debajo */
}

.email-link:hover {
    color: var(--yellow); /* Cambia al amarillo del cartel al pasar el mouse */
    border-bottom: 1px solid var(--yellow);
    padding-left: 5px; /* Un pequeño movimiento hacia la derecha */
}

.footer-contact h4 {
    font-family: 'Oswald', sans-serif;
    color: var(--yellow);
    margin-bottom: 10px;
}

/* Franja final */
.footer-bottom {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    opacity: 0.5;
}