:root {
    --primary-color: #1a2634;
    --secondary-color: #facc15;
    --text-white: #ffffff;
    --text-dark: #334155;
    --bg-light: #f8fafc;
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    line-height: 1.6;
    background: #ffffff;
    overflow-x: hidden;
}

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

h1, h2, h3, h4 { line-height: 1.25; }

/* ============================
   Hero Section
   ============================ */
.hero-sost {
    position: relative;
    width: 100%;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
}

.video-container-hero {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1;
}

.video-container-hero video { width: 100%; height: 100%; object-fit: cover; }

.overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(26, 38, 52, 0.75); /* Oscurecido ligeramente para legibilidad del texto */
}

.hero-content {
    position: relative; z-index: 2; color: #fff; max-width: 1100px; padding: 2rem 5%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-content h1 { 
    font-size: 4.5rem; 
    font-weight: 800; 
    margin-bottom: 2rem; 
    text-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.hero-content .subtitle { 
    font-size: 1.2rem; 
    font-weight: 300; 
    line-height: 1.8; 
    color: #e2e8f0; 
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* ============================
   Títulos con Rayita Amarilla
   ============================ */
.section-title {
    font-size: 2.8rem; 
    color: var(--primary-color); 
    font-weight: 800; 
    margin-bottom: 3.5rem;
    position: relative; 
    padding-bottom: 15px; 
    display: inline-block;
}

.section-title::after {
    content: ''; 
    position: absolute; 
    bottom: 0; 
    left: 50%; 
    transform: translateX(-50%);
    width: 80px; 
    height: 5px; 
    background-color: var(--secondary-color); /* Rayita amarilla */
    border-radius: 3px;
}

/* ============================
   Abejas Section
   ============================ */
.abejas-section { 
    padding: 7rem 5%; 
    background-color: #ffffff; 
}

.video-wrapper {
    max-width: 900px; 
    margin: 0 auto; 
    box-shadow: 0 20px 40px rgba(0,0,0,0.1); 
    border-radius: 16px; 
    overflow: hidden;
    background: #000;
}

.video-wrapper video { 
    width: 100%; 
    display: block; 
}

.video-caption { 
    padding: 1.5rem; 
    font-size: 1rem; 
    font-style: italic; 
    color: #475569; 
    background: #f8fafc; 
    border-bottom: 5px solid var(--secondary-color); /* Toque amarillo visual en el pie del video */
    font-weight: 500;
}

/* ============================
   ODS Section
   ============================ */
.ods-section { 
    padding: 7rem 5%; 
    background-color: var(--bg-light); 
}

.circle-wrapper { 
    max-width: 650px; 
    margin: 0 auto 5rem auto; 
    display: flex;
    justify-content: center;
}

.circle-wrapper img { 
    width: 100%; 
    height: auto; 
    display: block; 
}

/* ============================
   ODS Cards Flexbox
   ============================ */
.ods-container {
    display: flex; 
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 2.5rem; 
    max-width: 1400px; 
    margin: 0 auto;
}

.ods-card {
    display: flex; 
    align-items: center;
    width: calc(50% - 1.25rem); 
    background: #ffffff; 
    border-radius: 16px; 
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); 
    border-left: 6px solid var(--secondary-color); /* El toque amarillo solicitado en las tarjetas */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ods-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.12); 
}

.ods-card-content { 
    order: 1;
    flex: 1; 
    padding: 2.5rem 2rem; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
}

.ods-card-img { 
    order: 2;
    width: 120px;
    height: 120px;
    flex-shrink: 0; 
    margin-right: 2.5rem;
    border-radius: 12px;
    overflow: hidden;
}

.ods-card-img img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.5s ease;
}

.ods-card:hover .ods-card-img img {
    transform: scale(1.05);
}

.ods-card-content { 
    width: 60%; 
    padding: 2.5rem 2rem; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
}

.ods-card-content h3 { 
    font-size: 1.35rem; 
    color: var(--primary-color); 
    margin-bottom: 1.5rem; 
    font-weight: 700; 
    transition: color 0.3s; 
}

.ods-card:hover .ods-card-content h3 { 
    color: #eab308; 
}

.ods-card-content ul { 
    list-style: none; 
    padding-left: 0; 
}

.ods-card-content ul li { 
    position: relative; 
    padding-left: 1.8rem; 
    color: #475569; 
    font-size: 1rem; 
    margin-bottom: 1rem; 
    line-height: 1.6; 
}

/* Cheques amarillos característicos en las listas de cada tarjeta */
.ods-card-content ul li::before { 
    content: '✓'; 
    position: absolute; 
    left: 0; 
    top: 0; 
    color: var(--secondary-color); 
    font-weight: bold; 
    font-size: 1.2rem;
}

/* ============================
   Animaciones
   ============================ */
.fade-in-up { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1); }
.slide-in-left { opacity: 0; transform: translateX(-40px); transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1); }
.slide-in-right { opacity: 0; transform: translateX(40px); transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1); }
.slide-in-up { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1); }
.active { opacity: 1; transform: translate(0) scale(1); }
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* ============================
   Responsive
   ============================ */
@media (max-width: 1024px) {
    .ods-card { 
        width: 100%; 
        max-width: 900px;
    } 
}

@media (max-width: 768px) {
    .ods-card { 
        flex-direction: column; 
    }
    .ods-card-content { 
        order: 2;
        width: 100%; 
        padding: 2rem 2rem 3rem 2rem;
    }
    .ods-card-img { 
        order: 1;
        width: 180px; 
        height: 180px; 
        margin: 2rem auto 0 auto;
    }
    .hero-content h1 { font-size: 3rem; }
    .section-title { font-size: 2.2rem; }
    
    .video-wrapper, .circle-wrapper {
        padding: 0 1rem;
    }
}