:root {
    --primary: #2563eb;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, sans-serif;
}

body {
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
}

.logo span { color: var(--primary); }

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
}

/* Login Section */
.hero-section {
    min-height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    padding: 2rem;
}

.login-container {
    background: white;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
}

.login-form h1 { margin-bottom: 0.5rem; }
.login-form p { color: var(--gray); margin-bottom: 2rem; }

.input-group { margin-bottom: 1.5rem; }
.input-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }

.input-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    outline-color: var(--primary);
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.9; }

/* Staff Section */
.staff-section { padding: 5rem 5%; background: white; }
.section-title { text-align: center; margin-bottom: 3rem; font-size: 2.5rem; }

.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.staff-card {
    text-align: center;
    padding: 2rem;
    border-radius: 1rem;
    transition: transform 0.3s ease;
}

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

.staff-img {
    width: 150px;
    height: 150px;
    background: #e2e8f0;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    object-fit: cover;
    object-position: top;
}

.staff-card h3 { margin-bottom: 0.25rem; }
.staff-card span { color: var(--primary); font-weight: 600; display: block; margin-bottom: 1rem; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; } /* Simplified for this example */
    .section-title { font-size: 2rem; }
}

/* Mobile Menu Toggle Styling */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: transparent;
    border: none;
    gap: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    transition: 0.3s;
}

/* Responsive Media Query */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%; /* Hidden by default */
        width: 70%;
        height: 100vh;
        background: white;
        padding: 5rem 2rem;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: 0.4s ease-in-out;
    }

    .nav-links.active {
        right: 0; /* Slide in when active */
    }

    .nav-links li {
        margin: 1.5rem 0;
    }

    /* Animate Hamburger to 'X' */
    .menu-toggle.is-active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.is-active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.is-active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}