.hero {
    background: linear-gradient(120deg, rgba(0, 0, 0, 0.65), rgba(20, 20, 20, 0.6)),
    url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?auto=format&fit=crop&w=1500&q=80') center/cover no-repeat;
    color: #fff;
    text-align: center;
    padding: 120px 20px;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
}

.hero p {
    max-width: 700px;
    margin: 15px auto 0;
    color: #ddd;
    font-size: 1.15rem;
    line-height: 1.7;
}

/* --- About Section --- */
.about-section {
    background-color: #f8f9fb;
    padding: 80px 0;
}

.about-section h2 {
    font-size: 2.3rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 1.5rem;
    position: relative;
}

.about-section h2::after {
    content: "";
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #00d4ff);
    display: block;
    margin-top: 10px;
    border-radius: 5px;
}

.about-section p {
    color: #555;
    line-height: 1.8;
    font-size: 1rem;
}

.about-section img {
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s ease;
}

.about-section img:hover {
    transform: scale(1.03);
}

/* --- Mission Section --- */
.mission {
    background: linear-gradient(135deg, #007bff, #3c00ff);
    color: #fff;
    text-align: center;
    padding: 90px 20px;
}

.mission h2 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 25px;
}

.mission p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #f0f0f0;
}

/* --- CTA Section --- */
.cta {
    padding: 90px 20px;
    text-align: center;
    background-color: #fefefe;
}

.cta h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #111;
    margin-bottom: 1rem;
}

.cta p {
    color: #666;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.cta .btn {
    font-size: 1.1rem;
    padding: 0.8rem 2.4rem;
    border-radius: 50px;
    transition: 0.3s;
}

.cta .btn-primary {
    background: linear-gradient(90deg, #007bff, #00d4ff);
    border: none;
}

.cta .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.4rem;
    }

    .about-section h2 {
        font-size: 2rem;
    }
}