/* --- VARIABLES: Definición de colores y estilos globales reutilizables --- */
:root {
    --primary-dark: #0b1c3d;
    --primary-blue: #2563eb;
    --accent: #f59e0b;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.08);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

html {
    height: 100%;
    overflow-x: hidden;
    width: 100%;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

main {
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- HERO: Sección de cabecera impactante con imagen de fondo --- */
.unete-hero {
    position: relative;
    height: auto;
    min-height: 300px;
    padding: 60px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    background: linear-gradient(rgba(11, 28, 61, 0.8), rgba(11, 28, 61, 0.8)), url('../img/FOTO INICIO.png') center/cover no-repeat;
    border-bottom-left-radius: 40px;
    border-bottom-right-radius: 40px;
}

.unete-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

/* --- SECCIÓN 1: INTRO REFINED - Introducción detallada con estadísticas --- */
.intro-refined {
    padding: 80px 0;
}

.intro-flex {
    display: flex;
    align-items: center;
    gap: 60px;
}

.intro-text-refined {
    flex: 1.0;
}

.premium-badge {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: block;
}

.intro-text-refined h2 {
    font-size: 3rem;
    line-height: 1.2;
    color: var(--primary-dark);
    margin-bottom: 25px;
    font-weight: 800;
}

.intro-text-refined h2 span {
    color: var(--primary-blue);
}

.intro-text-refined p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.stats-mini {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat-mini strong {
    font-size: 2.2rem;
    color: var(--primary-blue);
    display: block;
    line-height: 1;
}

.stat-mini span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
}

.intro-image-refined {
    flex: 1.3;
}

.single-img {
    height: 400px;
    border-radius: 30px;
    background: #cbd5e1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    box-shadow: var(--shadow-premium);
}

.single-img i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.4;
}

/* --- SECCIÓN 2: VIDEO SPLIT - Diseño dividido con texto y video --- */
.intro-refined .container {
    max-width: 1400px;
    /* Ancho mayor para tirar el texto más a la izquierda */
}

.intro-flex {
    display: flex;
    align-items: center;
    gap: 80px;
}

.video-split-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.small-title {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 15px;
}

.split-text h3 {
    font-size: 2.4rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-weight: 800;
}

.split-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.check-list-compact {
    list-style: none;
    padding: 0;
    margin-top: 30px;
}

.check-list-compact li {
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.check-list-compact li i {
    color: var(--primary-blue);
    margin-top: 4px;
}

.video-presentation {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background-color: var(--bg-light);
    border-radius: 40px;
    box-shadow: var(--shadow-premium);
    display: block;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.video-presentation:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.video-card-mini {
    width: 100%;
    height: auto;
    /* Dejar que la imagen mande */
    min-height: 300px;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    transition: var(--transition);
    position: relative;
}

.video-card-mini img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Para que se vea la foto entera sin recortes */
    display: block;
}

.video-card-mini:hover {
    transform: none;
}

.play-btn-mini {
    width: 80px;
    height: 80px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
}

/* --- SECCIÓN 3: FACILITIES COMPACT - Cuadrícula de instalaciones con efectos hover --- */
.facilities-compact {
    padding: 100px 0;
}

.section-header-compact {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-compact h2 {
    font-size: 2.8rem;
    color: var(--primary-dark);
    font-weight: 800;
    margin-bottom: 15px;
}

.section-header-compact p {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.facilities-grid-cool {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.facility-item {
    position: relative;
    height: 220px;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.facility-img-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.facility-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #cbd5e1;
    /* Placeholder fallback */
    transition: var(--transition);
}

.facility-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    background: linear-gradient(transparent, rgba(11, 28, 61, 0.95));
    color: var(--white);
    transform: translateY(30px);
    transition: var(--transition);
}

.facility-overlay h4 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.facility-overlay p {
    font-size: 0.9rem;
    opacity: 0;
    transition: var(--transition);
    transform: translateY(10px);
}

.facility-item:hover .facility-preview {
    transform: scale(1.1);
}

.facility-item:hover .facility-overlay {
    transform: translateY(0);
}

.facility-item:hover .facility-overlay p {
    opacity: 1;
    transform: translateY(0);
}

/* --- SECCIÓN 4: QUICK STEPS - Pasos rápidos para el usuario --- */
.quick-steps {
    padding: 60px 0;
}

.steps-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-light);
    padding: 30px 20px;
    border-radius: 100px;
    max-width: 1000px;
    margin: 0 auto;
}

.step-mini {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.step-mini .num {
    width: 45px;
    height: 45px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-mini p {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 1rem;
    line-height: 1.3;
}

.step-arrow {
    color: #cbd5e1;
    font-size: 1.5rem;
    margin: 0 20px;
}

/* --- SECCIÓN 5: CTA ELEGANT - Llamada a la acción final --- */
.cta-elegant {
    padding: 100px 0;
    background: var(--white);
}

.cta-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-inner h2 {
    font-size: 3.2rem;
    color: var(--primary-dark);
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.1;
}

.cta-inner p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 45px;
    line-height: 1.6;
}

.cta-row-btns {
    display: flex;
    justify-content: center;
    gap: 30px;
    align-items: center;
}

.btn-main-premium {
    background: var(--primary-blue);
    color: var(--white);
    padding: 22px 50px;
    border-radius: 18px;
    font-weight: 800;
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.2);
}

.btn-main-premium:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(11, 28, 61, 0.3);
}

.btn-link-premium {
    color: var(--primary-blue);
    font-weight: 800;
    font-size: 1.15rem;
    text-decoration: none;
    position: relative;
    padding-bottom: 5px;
}

.btn-link-premium::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition);
}

.btn-link-premium:hover::after {
    width: 100%;
}

/* --- RESPONSIVE: Ajustes para diferentes tamaños de pantalla --- */
@media (max-width: 1024px) {

    .intro-flex,
    .split-grid {
        gap: 40px;
    }

    .intro-text-refined h2 {
        font-size: 2.6rem;
    }
}

@media (max-width: 992px) {

    .intro-flex,
    .split-grid {
        flex-direction: column;
        text-align: center;
    }

    .stats-mini {
        justify-content: center;
    }

    .split-grid {
        grid-template-columns: 1fr;
    }

    .check-list-compact {
        display: inline-block;
        text-align: left;
    }

    .facilities-grid-cool {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-box {
        flex-direction: column;
        border-radius: 40px;
        padding: 50px 30px;
        gap: 30px;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
}

@media(max-width: 1024px) {
    .unete-hero h1 {
        font-size: 2.5rem;
    }

    .intro-text-refined h2,
    .cta-inner h2 {
        font-size: 2.2rem;
    }

    .cta-row-btns {
        flex-direction: column;
        gap: 20px;
    }

    .section-header-compact h2 {
        font-size: 2.22rem;
    }
}

/* Mobile en horizontal (Landscape) */
@media (max-height: 600px) and (orientation: landscape) {
    .unete-hero {
        min-height: 320px;
        padding: 30px 20px;
    }

    .unete-hero h1 {
        font-size: 2rem;
    }

    .intro-flex,
    .split-grid {
        flex-direction: column;
        gap: 30px;
    }

    .single-img {
        height: 250px;
    }
}