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

/* HEADER */
.header {
    position: sticky;
    top: 0;
    z-index: 999;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.75);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* CONTAINER */
.container {
    max-width: 1200px;
    margin: auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* LOGO */
.logo img {
    height: 90px;
    transition: 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

/* NAV */
.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav a {
    text-decoration: none;
    font-size: 15px;
    font-weight: 900;
    color: #222;
    position: relative;
    transition: 0.3s;
}

/* underline hover effect */
.nav a::after {
    content: "";
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: #ff7a00;
    transition: 0.3s;
}

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

/* DONATE BUTTON */
.btn-donate {
    padding: 8px 18px;
    border-radius: 25px;
    background: linear-gradient(135deg, #ff7a00, #ff9800);
    color: white !important;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255,122,0,0.3);
}

.btn-donate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255,122,0,0.4);
}

/* MOBILE MENU ICON */
.menu-toggle {
    display: none;
    font-size: 26px;
    cursor: pointer;
}

/* MOBILE */
@media (max-width: 768px) {

    .nav {
        position: absolute;
        top: 70px;
        right: 20px;
        background: white;
        flex-direction: column;
        width: 220px;
        padding: 15px;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        display: none;
    }

    .nav.show {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}