:root {
  /* Brand Colors */
  --primary-color: #219ebc;     /* Main brand color */
  --primary-light: #8ecae6;     /* Light shade */
  --primary-dark: #023047;      /* Dark navy/black shade */
  
  --accent-yellow: #ffb703;     /* Yellow highlight */
  --accent-orange: #fb8501;     /* Orange highlight */
  
  --white: #ffffff;
  --black: #000000;
  --transparent: transparent;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    font-family: Arial, sans-serif;
}

/* Header */
header {
    background: var(--primary-dark);
    /*background-color:  rgba(0, 0, 0, 0.2);*/
    color: var(--white);
    padding:0px 20px 0px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.logo img {
    /*max-height: 100px;*/
    height: 80px;
}

/* Navigation Links */
.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin: 0 15px;
}

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

.nav-links a:hover {
    color: var(--accent-yellow);
}

/* Call To Action Button */
.nav_btn {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.nav_btn:hover {
    background: linear-gradient(45deg, var(--accent-yellow), var(--accent-orange));
}

/* Menu Icon */
.menu-icon {
    font-size: 28px;
    display: none;
    cursor: pointer;
    color: var(--white);
}

/* Hide close button on desktop */
.close-btn {
    display: none;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        height: 100%;
        width: 250px;
        background: var(--primary-dark);
        padding-top: 60px;
        transition: right 0.4s ease;
        z-index: 999;
    }

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

    .nav-links li {
        margin: 20px 0;
        text-align: center;
    }

    .menu-icon {
        display: block;
    }

    /* Close Button */
    .close-btn {
        display: block;
        position: absolute;
        top: 15px;
        right: 20px;
        font-size: 28px;
        color: var(--white);
        cursor: pointer;
    }
}