.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../assets/images/1.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.welcome-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.welcome-img img {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.history-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.impact-card {
    background: var(--white);
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-bottom: 5px solid var(--primary-color);
    transition: var(--transition);
}

.impact-card:hover {
    transform: translateY(-10px);
}

.impact-card h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.mission-trip {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../assets/images/3.jpg') center/cover no-repeat;
    color: var(--white);
    display: flex;
    align-items: center;
    text-align: center;
}

.mission-trip-content {
    max-width: 900px;
    margin: 0 auto;
}

.mission-trip-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}

.countdown-item span {
    font-size: 3rem;
    font-weight: bold;
    line-height: 1;
}

.countdown-item small {
    font-size: 1rem;
    text-transform: uppercase;
    margin-top: 0.5rem;
    opacity: 0.8;
}

.mission-trip-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .welcome-grid {
        grid-template-columns: 1fr;
    }
    .hero-btns {
        flex-direction: column;
    }
    .countdown {
        gap: 1rem;
    }
    .countdown-item span {
        font-size: 2rem;
    }
    .mission-trip-btns {
        flex-direction: column;
    }
}