/* master.css - 헤더, 푸터 스타일 */

/* ================================
   HEADER
   ================================ */
.header {
    width: 100%;
    position: sticky;
    top: 0;
    left: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.header__top {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo img {
    height: 36px;
}

.header__util {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--color-text);
}

.header__nav {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.header__nav-list {
    display: flex;
    justify-content: flex-end;
    gap: 40px;
    padding: 14px 0;
    font-weight: 600;
}

.header__nav-item a {
    font-size: 15px;
    color: var(--color-text);
    padding-bottom: 2px;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s ease;
}

    .header__nav-item a:hover {
        opacity: 0.7;
    }

.header__nav-item--active a {
    font-weight: 700;
    border-bottom-color: var(--color-text);
}

/* ================================
   MOBILE NAV
   ================================ */
.header__menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.header__mobile-dim {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

    .header__mobile-dim.open {
        opacity: 1;
        pointer-events: auto;
    }

.header__mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 75vw;
    max-width: 280px;
    height: 100vh;
    background-color: var(--color-bg);
    border-right: 1px solid var(--color-border);
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    padding: 20px;
    gap: 28px;
    pointer-events: none;
}

    .header__mobile-nav.open {
        transform: translateX(0);
        pointer-events: auto;
    }

.header__mobile-nav-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__mobile-logo img {
    height: 28px;
}

.header__mobile-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    display: flex;
    align-items: center;
    padding: 4px;
}

.header__mobile-nav-list {
    display: flex;
    flex-direction: column;
}

    .header__mobile-nav-list .header__nav-item a {
        display: block;
        font-size: 16px;
        font-weight: 600;
        border-bottom: none;
        padding: 14px 20px;
        opacity: 0.8;
        border-left: 3px solid transparent;
    }

    .header__mobile-nav-list .header__nav-item--active a {
        border-bottom: none;
        opacity: 1;
        font-weight: 700;
        border-left-color: var(--color-text);
    }

.header__mobile-util {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 14px;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    margin-top: auto;
}

/* ================================
   FOOTER
   ================================ */
.footer {
    background-color: var(--color-primary);
    padding: 60px 0;
}

.footer__inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: flex-start;
    gap: 60px;
}

.footer__logo {
    flex-shrink: 0;
}

    .footer__logo img {
        height: 36px;
    }

.footer__info p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.8;
}

.footer__copy {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text);
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 768px) {
    .header__top {
        justify-content: flex-start;
        gap: 12px;
    }

    .header__menu-btn {
        display: flex;
    }

    .header__util {
        display: none;
    }

    .header__bottom {
        display: none;
    }

    .footer__inner {
        flex-direction: column;
        gap: 24px;
        padding: 0 20px;
    }

    .footer {
        padding: 40px 0;
    }
}