/* ========================= */
/* NAVBAR */
/* ========================= */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 18px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;

    background: rgba(4, 69, 112, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);

    transition: background 0.3s ease, box-shadow 0.3s ease;
}


/* ========================= */
/* NAVBAR LOGO */
/* ========================= */

.text-logo {
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #00bcd4;
    text-decoration: none;
    position: relative;
}

/* Subtle underline glow */
.text-logo::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0%;
    height: 2px;
    background: #00bcd4;
    box-shadow: 0 0 10px rgba(0,188,212,0.8);
    transition: width 0.3s ease;
}

.text-logo:hover::after {
    width: 100%;
}


/* ========================= */
/* NAV LINKS */
/* ========================= */

.nav-links a {
    position: relative;
    margin-left: 30px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

/* Underline animation */
.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0%;
    height: 2px;
    background: #00bcd4;
    box-shadow: 0 0 12px rgba(0,188,212,0.8);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: #ffffff;
}

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

/* Active page */
.active-link {
    color: #ffffff;
}

.active-link::after {
    width: 100%;
}


/* ========================= */
/* MENU BUTTON */
/* ========================= */

.menu-btn {
    display: none;
    font-size: 1.6rem;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.menu-btn:hover {
    transform: scale(1.1);
}


/* ========================= */
/* SIDE MENU */
/* ========================= */

.side-menu {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1500;
    top: 0;
    left: 0;
    background-color: #ffffff;
    overflow-x: hidden;
    transition: 0.3s;
    padding-top: 60px;
}

.side-menu a {
    display: block;
    padding: 10px 30px;
    text-decoration: none;
    color: #333;
    font-size: 1.2rem;
}

/* Responsive navbar */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-btn {
        display: block;
        font-size: 1.8rem;
        padding: 10px;
    }
}