/* ===============================
   Global Styles
================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

/* ===============================
   Header & Navigation
================================ */
header {
    background: #0a2540;
    color: #fff;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo h1 {
    font-size: 1.6rem;
    letter-spacing: 1px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #00d4ff;
}

/* ===============================
   Hero Section
================================ */
.hero {
    min-height: 90vh;
    background: linear-gradient(rgba(10, 37, 64, 0.75), rgba(10, 37, 64, 0.75)),
        url('slides/1.jpg') center/cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 0 2rem;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

.cta-button {
    background: #00d4ff;
    color: #0a2540;
    padding: 0.9rem 2rem;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #fff;
    transform: translateY(-3px);
}

/* ===============================
   About Section
================================ */
.about {
    padding: 4rem 10%;
    background: #fff;
    text-align: center;
}

.about h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.about p {
    max-width: 800px;
    margin: auto;
    font-size: 1.1rem;
    color: #555;
}

/* ===============================
   Programs Section
================================ */
.programs {
    padding: 4rem 10%;
    background: #f5f7fa;
    text-align: center;
}

.programs h2 {
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

.program-card {
    background: #fff;
    padding: 2rem;
    margin: 1rem auto;
    max-width: 350px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.program-card h3 {
    margin-bottom: 1rem;
    color: #0a2540;
}

.program-card p {
    color: #666;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.12);
}

/* ===============================
   Contact Section
================================ */
.contact {
    padding: 4rem 10%;
    background: #0a2540;
    color: #fff;
    text-align: center;
}

.contact h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.contact a {
    color: #00d4ff;
    text-decoration: none;
    font-weight: bold;
}

.contact a:hover {
    text-decoration: underline;
}

/* ===============================
   Footer
================================ */
footer {
    background: #081c33;
    color: #bbb;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
}

/* ===============================
   Responsive Design
================================ */
@media (min-width: 768px) {
    .programs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
        text-align: center;
    }

    .programs h2 {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h2 {
        font-size: 2.2rem;
    }
}