/* =========================
   HEADER
========================= */

.site-header {
    width: 100%;
    background-color: var(--background-light);
    border-bottom: 1px solid var(--border-color);

    /* FIXED HEADER */
    position: fixed;
    top: 0;
    left: 0;

    z-index: 1000;

    overflow: visible;

    transition: var(--transition);
}

/* =========================
   HEADER CONTAINER
========================= */

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;

    min-height: 90px;
}

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

.logo {
    display: flex;
    align-items: center;

    position: relative;

    z-index: 1100;
}

/* LOGO IMAGE */

.logo-image {
    height: 90px;
    width: auto;

    display: block;

    transition: var(--transition);
}

/* LOGO HOVER */

.logo-image:hover {
    opacity: 0.9;
}

/* =========================
   NAVIGATION
========================= */

.site-nav {
    align-items: center;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* NAV ITEMS */

.nav-links li {
    position: relative;
}

/* NAV LINKS */

.nav-links a {
    position: relative;

    font-size: 1rem;
    font-weight: 500;

    color: var(--text-dark);

    transition: var(--transition);
}

/* HOVER EFFECT */

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

/* ACTIVE LINK */

.nav-links a.active-link {
    color: var(--primary-color);
    font-weight: 600;
}

/* UNDERLINE EFFECT */

.nav-links a::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -6px;

    width: 0;
    height: 2px;

    background-color: var(--primary-color);

    transition: var(--transition);
}

/* SHOW UNDERLINE */

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

/* =========================
   DONATE BUTTON
========================= */

.donate-btn {
    background-color: var(--primary-color);

    color: var(--text-light) !important;

    padding: 12px 22px;

    border-radius: var(--border-radius);

    transition: var(--transition);
}

/* DONATE BUTTON HOVER */

.donate-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* REMOVE UNDERLINE */

.donate-btn::after {
    display: none;
}

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

.menu-toggle {
    display: none;

    flex-direction: column;
    justify-content: center;

    gap: 6px;

    background: transparent;

    border: none;

    cursor: pointer;

    z-index: 1100;

    position: relative;
}

/* MENU LINES */

.menu-toggle span {
    width: 28px;
    height: 3px;

    background-color: var(--text-dark);

    border-radius: 3px;

    transition: var(--transition);
}

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

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(12px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-12px);
}

/* =========================
   MOBILE NAVIGATION
========================= */

@media (max-width: 992px) {

    /* SHOW MENU BUTTON */

    .menu-toggle {
        display: flex;
    }

    /* MOBILE NAV */

    .site-nav {
        position: fixed;

        top: 0;
        right: -100%;

        width: 320px;
        height: 100vh;

        background-color: var(--background-light);

        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;

        padding: 120px 2rem 2rem;

        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.08);

        transition: 0.4s ease;

        z-index: 999;

        overflow-y: auto;
    }

    /* SHOW MOBILE NAV */

    .site-nav.active {
        right: 0;
        pointer-events: auto;
    }

    /* NAV LINKS */

    .nav-links {
        flex-direction: column;
        align-items: flex-start;

        width: 100%;

        gap: 1.5rem;
    }

    /* NAV ITEMS */

    .nav-links li {
        width: 100%;
    }

    /* NAV LINKS */

    .nav-links a {
        display: block;

        width: 100%;

        padding: 12px 0;

        font-size: 1.1rem;
    }

}

/* =========================
   SMALL MOBILE DEVICES
========================= */

@media (max-width: 576px) {

    body {
        padding-top: 80px;
    }

    .site-header .container {
        min-height: 80px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .site-nav {
        width: 100%;
    }

}

/* =========================
   BODY SCROLL LOCK
========================= */

body.menu-open {
    overflow: hidden;
}