:root {
    /* Colors */
    --primary-color: #1daede;
    --secondary-color: #2C3E50;
    --text-color: #333333;
    --light-bg: #F9F9F9;
    --white: #FFFFFF;
    --dark-bg: #1a1a1a;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    --font-body: 'Poppins', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 0;

    /* Neobrutalism */
    --border-width: 3px;
    --shadow-offset: 4px;
    --black: #000000;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
}

/* Neobrutalism Utilities */
.neo-box {
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--black);
    background-color: var(--white);
    transition: transform 0.1s, box-shadow 0.1s;
}

.neo-box:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--black);
}

.neo-img {
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--black);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

h1,
h2 {
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border: var(--border-width) solid var(--black);
    box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--black);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.1s;
}

.btn:hover {
    background-color: var(--primary-color);
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--black);
    color: var(--white);
}

/* Header */
header {
    background-color: var(--white);
    border-bottom: var(--border-width) solid var(--black);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-secondary);
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--secondary-color);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 50px 0;
    text-align: center;
    border-top: var(--border-width) solid var(--black);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.social-links a {
    color: var(--white);
    font-size: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        text-align: center;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }
}