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

body {
    background-color: #f4f7f6;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header & Navbar */
.header {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo a {
    font-family: 'Georgia', serif;
    font-size: 1.8rem;
    font-weight: bold;
    color: #7b1113;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 25px;
}

.nav-menu a {
    text-decoration: none;
    color: #444;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.nav-menu a:hover, .nav-menu a.active {
    color: #7b1113;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #7b1113;
}

/* Hero Section */
.hero-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
}

.hero-title {
    text-align: center;
    margin-bottom: 50px;
}

.hero-title h1 {
    font-family: 'Georgia', serif;
    font-size: 2.8rem;
    color: #7b1113;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.3rem;
    font-weight: bold;
    color: #000066;
    letter-spacing: 0.5px;
}

/* Selection Cards */
.selection-cards {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.card {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px 30px;
    width: 360px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 3px solid transparent;
}

.student-card {
    border-color: #000066;
}

.teacher-card {
    border-color: #800080;
}

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

.card-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.student-card .card-icon {
    color: #000066;
}

.teacher-card .card-icon {
    color: #800080;
}

.card h2 {
    font-family: 'Georgia', serif;
    font-size: 1.8rem;
    color: #b33939;
    margin-bottom: 15px;
}

.card p {
    color: #666;
    font-size: 1rem;
}

/* Form Styles */
.form-main {
    flex: 1;
    padding: 50px 0;
}

.form-wrapper {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.06);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid #e0e0e0;
}

.form-heading {
    font-family: 'Georgia', serif;
    font-size: 2.2rem;
    color: #7b1113;
    text-align: center;
    margin-bottom: 30px;
}

.reg-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: #333;
    font-size: 0.95rem;
}

.required {
    color: #e74c3c;
}

.form-group input, .form-group select, .form-group textarea {
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: #7b1113;
}

.checkbox-options {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 5px;
}

.checkbox-options label {
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.submit-btn {
    background: #0056b3;
    color: white;
    border: none;
    padding: 14px 25px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
    align-self: flex-start;
}

.submit-btn:hover {
    background: #004085;
}

/* Footer */
.footer {
    background: #ffffff;
    text-align: center;
    padding: 20px 0;
    color: #666;
    border-top: 1px solid #e0e0e0;
    font-size: 0.9rem;
}

/* Responsive design */
@media(max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        text-align: center;
    }
    .nav-menu.active {
        display: flex;
    }
    .hamburger {
        display: block;
    }
    .hero-title h1 {
        font-size: 2.2rem;
    }
    .form-wrapper {
        padding: 20px;
    }
}