:root {
    --white: #FFFFFF;
    --dark-blue: #0A192F;
    --pink: #FF2E63;
    --gray: #8D99AE;
    --teal: #00F5D4;
    --dark-teal: #008d7a;
    --yellow: #ffc107;
    --green-teal: #00f583;
}

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

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

/* Header Styles */
header {
    background-color: var(--dark-blue);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--teal);
    text-decoration: none;
}

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

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
    display: inline-block;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--pink), var(--teal));
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--teal);
    transform: translateY(-1px);
    background: none;
    background-color: transparent;
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--dark-blue);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .header-container {
        padding: 0 1rem;
    }

    /* Mobile header changes when hamburger is active */
    .nav-menu.active ~ header,
    header:has(.nav-menu.active) {
        background-color: rgba(10, 25, 47, 0.98);
        backdrop-filter: blur(15px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    /* Alternative approach - add class to header via JavaScript */
    header.menu-active {
        background-color: rgba(10, 25, 47, 0.98);
        backdrop-filter: blur(15px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        border-bottom: 2px solid var(--teal);
    }
}


/* Footer Styles */
footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 2rem 0 1rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

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

.footer-nav a:hover {
    color: var(--teal);
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--gray);
    color: var(--gray);
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    main {
        padding: 2rem 1rem;
    }

    .footer-nav {
        flex-direction: column;
        align-items: center;
    }
}