/* Brand Lockup */
.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
}

.brand-mark {
    width: 34px;
    height: 34px;
    overflow: hidden;
    background: var(--ink-obsidian);
    flex-shrink: 0;
    border-radius: 4px;
    transition: transform 0.35s var(--ease-luxury);
}

.brand-lockup:hover .brand-mark {
    transform: rotate(-6deg) scale(1.04);
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.brand-wordmark {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    display: inline-flex;
    align-items: baseline;
}

.brand-wordmark .w-main { color: var(--ink-obsidian); }
.brand-wordmark .w-sq {
    display: inline-block;
    width: 5px;
    height: 5px;
    background: var(--signal-orange);
    margin: 0 2px;
}
.brand-wordmark .w-tld { color: var(--ink-slate); font-weight: 600; }

.brand-descriptor {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--ink-slate);
    letter-spacing: 0.01em;
    border-left: 1px solid var(--rule-hairline);
    padding-left: 14px;
    white-space: nowrap;
}

/* Language Tabs */
.lang-tabs {
    display: inline-flex;
    border: 1px solid var(--rule-hairline);
    background: var(--bg-pure);
}

.lang-tab {
    background: transparent;
    border: none;
    border-right: 1px solid var(--rule-hairline);
    color: var(--ink-slate);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 6px 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-tab:last-child { border-right: none; }
.lang-tab:hover { color: var(--ink-obsidian); }
.lang-tab.active {
    background: var(--ink-obsidian);
    color: #FFFFFF;
}

/* Primary Action Button with Sweep Fill */
.btn-ink {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--ink-obsidian);
    color: #FFFFFF;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 18px 32px;
    text-decoration: none;
    border: 1px solid var(--ink-obsidian);
    transition: border-color 0.3s, transform 0.2s var(--ease-luxury);
    cursor: pointer;
    will-change: transform;
}

.btn-ink::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--signal-orange);
    transform: translateY(102%);
    transition: transform 0.38s var(--ease-luxury);
    z-index: 0;
}

.btn-ink:hover {
    border-color: var(--signal-orange);
}

.btn-ink:hover::before {
    transform: translateY(0);
}

.btn-ink > * {
    position: relative;
    z-index: 1;
}

.btn-ink svg {
    transition: transform 0.35s var(--ease-luxury);
}

.btn-ink:hover svg {
    transform: translate(3px, -3px);
}

.btn-ink.btn-header {
    background: transparent;
    color: var(--ink-obsidian);
    border: 1px solid rgba(17, 17, 19, 0.34);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 6px 14px;
    gap: 8px;
    letter-spacing: 0.04em;
    white-space: nowrap;
    transition: color 0.3s, border-color 0.3s, transform 0.2s var(--ease-luxury);
}

.btn-ink.btn-header:hover {
    color: #FFFFFF;
    border-color: var(--signal-orange);
}

/* Mobile Menu Button & Drawer */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 34px;
    height: 31px;
    background: var(--bg-pure);
    border: 1px solid var(--rule-hairline);
    cursor: pointer;
    padding: 0;
    transition: border-color 0.2s, background-color 0.2s;
}

.mobile-menu-btn span {
    display: block;
    width: 15px;
    height: 1.5px;
    background: var(--ink-obsidian);
    transition: transform 0.25s var(--ease-luxury), background-color 0.2s;
}

.mobile-menu-btn.is-open {
    background: var(--ink-obsidian);
    border-color: var(--ink-obsidian);
}

.mobile-menu-btn.is-open span {
    background: #FFFFFF;
}

.mobile-menu-btn.is-open span:first-child {
    transform: translateY(3.25px) rotate(45deg);
}

.mobile-menu-btn.is-open span:last-child {
    transform: translateY(-3.25px) rotate(-45deg);
}

.mobile-drawer {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    background: var(--bg-bone);
    border-bottom: 1px solid var(--rule-solid);
    z-index: 890;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.3s var(--ease-luxury), visibility 0.25s;
}

.mobile-drawer.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-drawer-inner {
    padding-top: 12px;
    padding-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav-list {
    list-style: none;
    border-top: 1px solid var(--rule-hairline);
}

.mobile-nav-list a {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 15px 4px;
    border-bottom: 1px solid var(--rule-hairline);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ink-obsidian);
}

.mobile-nav-list .m-idx {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--signal-orange);
    font-weight: 600;
}

.mobile-drawer-cta {
    width: 100%;
    justify-content: space-between;
    padding: 16px 20px;
}

@media (max-width: 980px) {
    .mobile-menu-btn { display: inline-flex; }
}

@media (max-width: 640px) {
    .btn-ink.btn-header { display: none; }
    .lang-tab {
        padding: 5px 8px;
        font-size: 0.68rem;
    }
}

@media (max-width: 360px) {
    .brand-wordmark { font-size: 1.02rem; }
    .brand-mark { width: 30px; height: 30px; }
    .lang-tab { padding: 5px 6px; font-size: 0.64rem; }
}