.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 9999;
    background: linear-gradient(90deg, rgba(15, 40, 30, 0.85), rgba(30, 80, 60, 0.65));
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav nav {
    margin-left: auto;
    display: flex;
    gap: 20px;
}

.nav a {
    text-decoration: none;
    color: #ffffff;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 500;
    transition: 0.3s;
}

.nav a:hover {
    color: #1aa3a8;
}

.logo img {
    height: 100px;
    width: auto;
}

/* HAMBURGER BUTTON */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
    margin-left: auto;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .nav nav {
        gap: 15px;
    }

    .nav a {
        font-size: 13px;
    }

    .logo img {
        height: 100px;
    }
}

@media (max-width: 768px) {
    .nav {
        height: 60px;
    }

    .hamburger {
        display: flex;
    }

    .nav nav {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: linear-gradient(180deg, rgba(15, 40, 30, 0.95), rgba(30, 80, 60, 0.95));
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        display: none;
        backdrop-filter: blur(8px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav nav.active {
        display: flex;
    }

    .nav nav a {
        display: block;
        padding: 15px 20px;
        font-size: 14px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        letter-spacing: 0.8px;
    }

    .nav nav a:last-child {
        border-bottom: none;
    }

    .nav nav a:hover {
        background-color: rgba(26, 163, 168, 0.1);
    }

    .logo img {
        height: 80px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0 10px;
    }

    .nav {
        height: 50px;
        padding: 0 10px;
    }

    .logo img {
        height: 65px;
    }

    .hamburger span {
        width: 22px;
        height: 2.5px;
    }

    .nav nav {
        top: 51px;
    }

    .nav nav a {
        padding: 12px 15px;
        font-size: 12px;
        letter-spacing: 0.5px;
    }
}