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

body {
    font-family: 'Poppins', sans-serif;
    background: #f5f7fa;
    color: #333;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo {
    font-weight: 700;
    color: #2c3e50;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: #0077ff;
}

/* HERO */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0077ff, #00c6ff);
    color: white;
    padding-top: 100px;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 85%;
    margin: auto;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 700;
}

.hero-text h3 {
    margin: 10px 0;
    font-weight: 400;
    opacity: 0.9;
}

.hero-text p {
    margin: 20px 0;
    max-width: 500px;
}

.primary-btn {
    padding: 12px 28px;
    border: none;
    background: white;
    color: #0077ff;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: 0.3s;
}

.primary-btn:hover {
    background: #f0f0f0;
    transform: translateY(-3px);
}

/* HERO IMAGE */
.hero-image img {
    width: 320px;
    height: 380px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

/* SECTIONS */
.section-card {
    background: white;
    padding: 80px 10%;
    margin: 40px auto;
    width: 85%;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.section-card h2 {
    margin-bottom: 25px;
    font-size: 28px;
    color: #2c3e50;
}

/* SUBJECT GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.card {
    padding: 20px;
    background: #f5f7fa;
    border-radius: 15px;
    text-align: center;
    font-weight: 500;
    transition: 0.3s;
}

.card:hover {
    background: #0077ff;
    color: white;
    transform: translateY(-5px);
}

/* TIMELINE */
.timeline-item {
    margin-bottom: 20px;
}

.timeline-item span {
    color: #777;
    font-size: 14px;
}

/* CONTACT FORM */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    margin: auto;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s ease;
    background: #f9f9f9;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #0077ff;
    background: white;
    box-shadow: 0 0 0 3px rgba(0,119,255,0.1);
}

.contact-form button {
    align-self: center;
    width: 200px;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: #2c3e50;
    color: white;
    margin-top: 40px;
}

/* RESPONSIVE */
@media(max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-image img {
        margin-top: 30px;
        width: 250px;
        height: 300px;
    }
}
/* FLOATING WHATSAPP BUTTON */
.floating-whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    z-index: 2000;
    transition: 0.3s ease;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background: #1ebe5d;
}
/* HERO WHATSAPP BUTTON */
.whatsapp-btn {
    padding: 12px 28px;
    background: linear-gradient(135deg, #25D366, #1ebe5d);
    color: white;
    font-weight: 600;
    border-radius: 30px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

.whatsapp-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

/* Icon size */
.whatsapp-btn i {
    font-size: 18px;
}