/* Navigation Component */
.nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
    background: var(--forest);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 1000;
}

.nav-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--cream);
    letter-spacing: 0.1em;
}

.nav-logo .logo-ies {
    color: var(--rose);
}

.nav-burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--cream);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-burger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-burger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--forest);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.nav-links.active {
    opacity: 1;
    visibility: visible;
}

.nav-links li {
    list-style: none;
}

.nav-link {
    font-size: 1.2rem;
    text-decoration: none;
    color: var(--cream);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--rose);
}

/* Desktop styles */
@media (min-width: 769px) {
    .nav {
        width: 80px;
        height: 100vh;
        top: 0;
        left: 0;
        flex-direction: column;
        justify-content: space-between;
        padding: 2rem 0;
        background: var(--forest);
    }

    .nav-logo {
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        font-size: 0.9rem;
        color: var(--cream);
    }

    .nav-logo .logo-ies {
        color: var(--rose);
    }

    .nav-burger {
        display: none;
    }

    .nav-links {
        position: static;
        flex-direction: column;
        gap: 2rem;
        background: transparent;
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        font-size: 0.7rem;
        color: var(--cream);
        opacity: 0.7;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--rose);
        opacity: 1;
    }

    .nav-indicator {
        width: 30px;
        height: 1px;
        background: var(--rose);
    }

    main {
        margin-left: 80px;
    }
}

/* Hide indicator on mobile */
@media (max-width: 768px) {
    .nav-indicator {
        display: none;
    }

    main {
        padding-top: 60px;
    }
}