/* =============================================================
 * SNS — Header & navigation (Phase 5)
 * ============================================================= */

/* ----- Header layout ----- */
.tt-header-wrap.site-header {
    background: #fff;
    padding: 14px 0;
    border-bottom: 1px solid var(--sns-border);
}
.sns-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}
.sns-header__brand a {
    display: inline-block;
    text-decoration: none !important;
    border-bottom: 0 !important;
}
.sns-header__logo {
    max-height: 56px;
    width: auto;
    transition: max-height 0.2s ease;
    display: block;
}
.sns-header--scrolled .sns-header__logo {
    max-height: 44px;
}

/* ----- Primary menu ----- */
.sns-primary-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
    align-items: center;
    flex-wrap: nowrap;
}
.sns-primary-menu li {
    position: relative;
}
.sns-primary-menu a {
    display: block;
    padding: 12px 14px;
    color: var(--sns-text) !important;
    text-decoration: none !important;
    font-weight: 600;
    font-size: 15.5px;
    border-radius: var(--sns-radius);
    transition: color 0.15s ease, background 0.15s ease;
    border-bottom: 0 !important;
}
.sns-primary-menu li:hover > a,
.sns-primary-menu a:focus {
    color: var(--sns-navy) !important;
    background: var(--sns-bg-soft);
}
.sns-primary-menu .current-menu-item > a,
.sns-primary-menu .current-menu-parent > a {
    color: var(--sns-navy) !important;
}
.sns-primary-menu .current-menu-item > a::after {
    content: '';
    display: block;
    height: 3px;
    background: var(--sns-green);
    border-radius: 2px;
    margin-top: 4px;
    margin-left: 14px;
    margin-right: 14px;
}

/* Submenu */
.sns-primary-menu .sub-menu {
    list-style: none;
    margin: 0;
    padding: 8px 0;
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: var(--sns-shadow-lg);
    border-radius: var(--sns-radius);
    min-width: 240px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 100;
    border-top: 3px solid var(--sns-green);
}
.sns-primary-menu li:hover > .sub-menu,
.sns-primary-menu li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.sns-primary-menu .sub-menu a {
    padding: 10px 18px;
    font-size: 15px;
    border-radius: 0;
}
.sns-primary-menu .sub-menu a:hover {
    background: var(--sns-bg-soft);
    color: var(--sns-green-dark) !important;
}
.sns-primary-menu .sub-menu .current-menu-item > a::after {
    display: none;
}

/* ----- Mobile menu toggle ----- */
.sns-mobile-toggle {
    display: none;
    background: transparent !important;
    border: 0 !important;
    width: 44px;
    height: 44px;
    cursor: pointer;
    padding: 10px;
    box-shadow: none !important;
    border-radius: var(--sns-radius);
}
.sns-mobile-toggle span {
    display: block;
    width: 22px;
    height: 2.5px;
    background: var(--sns-navy);
    margin: 5px 0;
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.sns-mobile-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.sns-mobile-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}
.sns-mobile-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ----- Mobile breakpoint ----- */
@media (max-width: 991px) {
    .sns-mobile-toggle {
        display: block;
    }
    .sns-primary-menu {
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 14px 24px 22px;
        gap: 0;
        box-shadow: 0 12px 24px rgba(0,0,0,0.12);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        border-top: 1px solid var(--sns-border);
    }
    .sns-mobile-toggle[aria-expanded="true"] + .sns-primary-menu,
    .sns-main-nav.is-open .sns-primary-menu {
        max-height: 600px;
        padding: 14px 24px 22px;
    }
    .sns-primary-menu li { width: 100%; }
    .sns-primary-menu a {
        padding: 14px 14px;
        border-bottom: 1px solid var(--sns-border) !important;
        border-radius: 0;
    }
    .sns-primary-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-top: 0;
        background: var(--sns-bg-soft);
        padding: 0;
        margin: 0 0 8px;
    }
    .sns-primary-menu .sub-menu a {
        padding-left: 30px;
        font-size: 14.5px;
        color: var(--sns-text-soft) !important;
    }
}

@media (max-width: 600px) {
    .sns-header__logo { max-height: 44px; }
}