:root {
    --primary-blue: #007AFF;
    --light-blue: #E3F2FD;
    --white: #FFFFFF;
    --gray: #F5F5F5;
    --dark-gray: #333333;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: background 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-blue);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 600;
    position: relative;
    padding: 0.7rem 0;
    font-size: 1.35rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    position: relative;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 30px;
    height: 3px;
    background: var(--dark-gray);
    position: absolute;
    left: 0;
    transition: all 0.3s ease-in-out;
}

/* Hamburger spans positioning */
.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
    bottom: 0;
}

/* Hamburger animation */
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 50%;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg);
    bottom: 40%;
}

/* Footer Styles */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 4rem 2rem 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h3 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.5rem;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.3s ease-in-out;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        padding-top: 80px;
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        padding: 1.5rem;
        font-size: 1.5rem;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-links.open a {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links a:hover::after {
        width: 30%;
        left: 35%;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-info li {
        justify-content: center;
    }

    .social-links {
        justify-content: center;
    }
}