@charset "UTF-8";

/* Tokens loaded via tokens.css — nav uses CSS vars directly */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html,
body {
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans, 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif);
    background: var(--surface-page, #fafbfc);
    color: var(--text-main, #1f2937);
}

body.menu-open-body {
    overflow: hidden;
}

/* =========================================================
   Local Nav Variables
========================================================= */
:root {
    --nav-h: 72px;
    --nav-h-scrolled: 56px;
    --nav-pad-x: clamp(24px, 3.6vw, 72px);
    --nav-blur: 22px;
    --nav-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --nav-fast: cubic-bezier(0.4, 0, 0.2, 1);
    --c-emerald: var(--accent-emerald, var(--accent, #10b981));
    --c-sapphire: var(--brand-sapphire, #2256b8);
    --c-line: rgba(15, 23, 42, 0.10);
    --c-line-strong: rgba(15, 23, 42, 0.16);
    --c-text: #0f172a;
    --c-text-muted: rgba(15, 23, 42, 0.55);
    --c-text-faint: rgba(15, 23, 42, 0.38);
    --font-mono-stack: 'JetBrains Mono', 'SF Mono', ui-monospace, 'Menlo', 'Consolas', monospace;
}

/* =========================================================
   Scroll Progress (fixed at top of viewport, above nav)
========================================================= */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 1.5px;
    z-index: 60;
    background: transparent;
    pointer-events: none;
}

.scroll-progress-fill {
    display: block;
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left center;
    background: var(--c-emerald);
    will-change: transform;
    transition: transform 80ms linear;
}

.nav-container.reduce-motion ~ .scroll-progress,
.reduce-motion .scroll-progress-fill {
    transition: none;
}

/* =========================================================
   Nav Container (3 states: transparent / scrolled / hidden)
========================================================= */
.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    /* Default: white background so nav is readable on every page */
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    box-shadow: inset 0 -1px 0 var(--c-line), 0 6px 18px -10px rgba(15, 23, 42, 0.18);
    transition:
        transform 0.45s var(--nav-ease),
        background 0.4s ease,
        backdrop-filter 0.4s ease,
        box-shadow 0.4s ease;
}

.nav-container.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    box-shadow: inset 0 -1px 0 var(--c-line), 0 6px 18px -10px rgba(15, 23, 42, 0.18);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .nav-container.is-scrolled {
        background: rgba(255, 255, 255, 0.98);
    }
}

.nav-container.is-hidden {
    transform: translateY(-100%);
    /* keep gradient/box-shadow during slide-out so the reveal isn't a transparent flash */
}

/* Transparent at top (home pages with dark hero) */
.nav-container.is-transparent {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
}

.nav-container.is-transparent .menu-link {
    color: rgba(255, 255, 255, 0.85);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.nav-container.is-transparent .menu-item:hover > .menu-link,
.nav-container.is-transparent .menu-item.is-hover > .menu-link {
    color: #ffffff;
}

.nav-container.is-transparent .menu-item.active > .menu-link {
    color: #ffffff;
    font-weight: 600;
}

.nav-container.is-transparent .lang-toggle {
    border-color: transparent;
}

.nav-container.is-transparent .lang-toggle-btn {
    color: rgba(255, 255, 255, 0.55);
}

.nav-container.is-transparent .lang-toggle-btn + .lang-toggle-btn::before {
    color: rgba(255, 255, 255, 0.35);
}

.nav-container.is-transparent .lang-toggle-btn:hover {
    color: #ffffff;
}

.nav-container.is-transparent .lang-toggle-btn.is-active {
    color: #ffffff;
    background: transparent;
}

.nav-container.is-transparent .menu-toggle span {
    background: #ffffff;
}

.nav-container.is-transparent .menu-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-container.mega-open {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    box-shadow:
        inset 0 -1px 0 var(--c-line),
        0 12px 28px -12px rgba(15, 23, 42, 0.12);
}

.nav-shell {
    position: relative;
    width: 100%;
}

/* =========================================================
   Top Row Layout (Logo / Menu / Actions)
========================================================= */
.nav-content {
    width: 100%;
    height: var(--nav-h);
    padding: 0 var(--nav-pad-x);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 32px;
    transition: height 0.35s var(--nav-ease);
}

.nav-container.is-scrolled .nav-content,
.nav-container.mega-open .nav-content {
    height: var(--nav-h-scrolled);
}

.logo {
    text-decoration: none;
    white-space: nowrap;
    display: flex;
    align-items: center;
    transition: opacity 0.25s ease, transform 0.35s var(--nav-ease);
}

.logo-img {
    height: 54px;
    width: auto;
    display: block;
    transition: height 0.35s var(--nav-ease), opacity 0.25s ease;
}

.nav-container.is-scrolled .logo-img,
.nav-container.mega-open .logo-img {
    height: 46px;
}

.logo:hover .logo-img {
    opacity: 0.78;
}

/* =========================================================
   Menu (centered) — Tesla / SpaceX uppercase tracking
========================================================= */
.nav-menu {
    position: relative;
    display: flex;
    list-style: none;
    align-items: center;
    justify-content: center;
    gap: clamp(20px, 2.4vw, 44px);
    height: 100%;
}

.menu-item {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}

.menu-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    /* No horizontal padding so the sliding indicator hugs the text width. */
    padding: 8px 0;
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    color: rgba(15, 23, 42, 0.78);
    text-shadow: none;
    white-space: nowrap;
    transition: color 0.25s ease, text-shadow 0.25s ease;
}

.nav-container.lang-en .menu-link {
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 12px;
}

.nav-container.lang-zh .menu-link {
    letter-spacing: 0.02em;
    font-size: 14px;
}

/* Hover / active colors — default (white bg) state */
.menu-item:hover > .menu-link,
.menu-item.is-hover > .menu-link {
    color: #0f172a;
}

.menu-item.active > .menu-link {
    color: #0f172a;
    font-weight: 600;
}

/* Scrolled / mega-open / inner-page (dark text on light bg) */
.nav-container.is-scrolled .menu-link,
.nav-container.mega-open .menu-link,
.nav-container.inner-page .menu-link {
    color: rgba(15, 23, 42, 0.78);
    text-shadow: none;
}

.nav-container.is-scrolled .menu-item:hover > .menu-link,
.nav-container.is-scrolled .menu-item.is-hover > .menu-link,
.nav-container.mega-open .menu-item:hover > .menu-link,
.nav-container.mega-open .menu-item.is-hover > .menu-link,
.nav-container.inner-page .menu-item:hover > .menu-link,
.nav-container.inner-page .menu-item.is-hover > .menu-link {
    color: #0f172a;
}

.nav-container.is-scrolled .menu-item.active > .menu-link,
.nav-container.mega-open .menu-item.active > .menu-link,
.nav-container.inner-page .menu-item.active > .menu-link {
    color: #0f172a;
}

/* =========================================================
   Sliding Indicator
========================================================= */
.nav-indicator {
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    pointer-events: none;
    background: var(--c-emerald);
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.45);
    border-radius: 2px;
    opacity: 0;
    transform: translateX(0);
    transition:
        transform 0.24s var(--nav-ease),
        width 0.24s var(--nav-ease),
        opacity 0.2s ease;
    will-change: transform, width;
}

.nav-indicator.is-visible {
    opacity: 1;
}

/* Skip the slide animation on the very first paint so the bar lands on the
   active label instead of animating from x=0 (the cause of the misalignment). */
.nav-indicator.no-anim {
    transition: none !important;
}

.reduce-motion .nav-indicator {
    transition: none;
}

/* =========================================================
   Right Actions (lang switch + mobile toggle)
========================================================= */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-self: end;
}

.lang-toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0;
    border: 0;
    background: transparent;
}

.lang-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    font-family: var(--font-mono-stack);
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: lowercase;
    text-decoration: none;
    color: var(--c-text-faint);
    cursor: pointer;
    transition: color 0.2s ease;
}

.lang-toggle-btn + .lang-toggle-btn::before {
    content: "|";
    margin-right: 12px;
    margin-left: -4px;
    color: var(--c-text-faint);
    opacity: 0.45;
    font-weight: 300;
    pointer-events: none;
}

.lang-toggle-btn:hover {
    color: var(--c-text);
}

.lang-toggle-btn.is-active {
    color: var(--c-text);
    text-transform: uppercase;
    font-weight: 600;
    background: transparent;
}

/* Scrolled / mega-open / inner-page */
.nav-container.is-scrolled .lang-toggle,
.nav-container.mega-open .lang-toggle,
.nav-container.inner-page .lang-toggle {
    border-color: transparent;
}

.nav-container.is-scrolled .lang-toggle-btn,
.nav-container.mega-open .lang-toggle-btn,
.nav-container.inner-page .lang-toggle-btn {
    color: var(--c-text-faint);
}

.nav-container.is-scrolled .lang-toggle-btn:hover,
.nav-container.mega-open .lang-toggle-btn:hover,
.nav-container.inner-page .lang-toggle-btn:hover {
    color: var(--c-text);
}

.nav-container.is-scrolled .lang-toggle-btn.is-active,
.nav-container.mega-open .lang-toggle-btn.is-active,
.nav-container.inner-page .lang-toggle-btn.is-active {
    color: var(--c-text);
    background: transparent;
}

/* =========================================================
   Mobile Toggle (hamburger)
========================================================= */
.menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    border-radius: 999px;
    flex: 0 0 36px;
    transition: background 0.2s ease;
}

.menu-toggle:hover {
    background: rgba(15, 23, 42, 0.1);
}

.menu-toggle span {
    position: absolute;
    left: 10px;
    width: 16px;
    height: 1.5px;
    background: #0f172a;
    border-radius: 999px;
    transition: transform 0.28s ease, top 0.28s ease, background 0.25s ease;
}

.nav-container.is-scrolled .menu-toggle span,
.nav-container.mega-open .menu-toggle span,
.nav-container.inner-page .menu-toggle span {
    background: #0f172a;
}

.menu-toggle span:nth-child(1) { top: 13px; }
.menu-toggle span:nth-child(2) { top: 20px; }

.nav-container.menu-open .menu-toggle span:nth-child(1) {
    top: 17px;
    transform: rotate(45deg);
}
.nav-container.menu-open .menu-toggle span:nth-child(2) {
    top: 17px;
    transform: rotate(-45deg);
}

/* =========================================================
   Mega Container (full-width drawer below nav)
========================================================= */
.mega-container {
    position: relative;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    transition:
        max-height 0.45s var(--nav-ease),
        opacity 0.3s ease 0.05s;
    will-change: max-height, opacity;
}

.nav-container.mega-open .mega-container {
    max-height: 640px;
    opacity: 1;
    pointer-events: auto;
}

.reduce-motion .mega-container {
    transition: opacity 0.2s ease;
}

.mega-panel {
    display: none;
    opacity: 0;
    transform: translateY(-12px);
    transition:
        opacity 0.32s ease,
        transform 0.4s var(--nav-ease);
}

.mega-panel.is-active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.mega-panel-inner {
    padding: 32px var(--nav-pad-x) 40px;
    max-width: 1440px;
    margin: 0 auto;
    border-top: 1px solid var(--c-line);
}

.mega-panel-header {
    margin-bottom: 22px;
    display: flex;
    align-items: baseline;
    gap: 18px;
    flex-wrap: wrap;
}

.mega-panel-eyebrow {
    font-family: var(--font-mono-stack);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-text-faint);
    flex: 0 0 auto;
}

.nav-container.lang-zh .mega-panel-eyebrow {
    font-family: inherit;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.mega-panel-heading {
    font-size: clamp(18px, 1.4vw, 22px);
    font-weight: 600;
    color: var(--c-text);
    letter-spacing: -0.005em;
    line-height: 1.3;
}

.mega-panel-tagline {
    width: 100%;
    margin-top: 0;
    font-size: 13px;
    color: var(--c-text-muted);
    line-height: 1.55;
    max-width: 720px;
}

/* ----- Layout: product-grid (4 cols) ----- */
.mega-grid-products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.mega-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px 20px 18px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid var(--c-line);
    text-decoration: none;
    color: var(--c-text);
    overflow: hidden;
    transition:
        border-color 0.25s ease,
        background 0.25s ease;
}

.mega-card:hover {
    background: rgba(15, 23, 42, 0.02);
    border-color: var(--c-line-strong);
}

.mega-card.active {
    border-color: var(--c-emerald);
}

.mega-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.mega-card-num {
    font-family: var(--font-mono-stack);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--c-text-faint);
}

.mega-card-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
    border: 1px solid var(--c-line-strong);
    border-radius: 4px;
    font-family: var(--font-mono-stack);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--c-text-muted);
    background: transparent;
    transition: color 0.2s ease, border-color 0.25s ease;
    text-transform: uppercase;
}

.mega-card:hover .mega-card-mark {
    color: var(--c-emerald);
    border-color: var(--c-emerald);
}

.mega-card.active .mega-card-mark {
    color: var(--c-emerald);
    border-color: var(--c-emerald);
}

.mega-card-body {
    flex: 1;
    min-height: 56px;
}

.mega-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.35;
    margin-bottom: 6px;
    letter-spacing: -0.005em;
}

.mega-card-desc {
    font-size: 12.5px;
    color: var(--c-text-muted);
    line-height: 1.55;
}

.mega-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
    font-family: var(--font-mono-stack);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-text-faint);
    transition: gap 0.25s ease, color 0.2s ease;
}

.nav-container.lang-zh .mega-card-cta {
    font-family: inherit;
    letter-spacing: 0.04em;
    text-transform: none;
    font-size: 12px;
    font-weight: 500;
}

.mega-card-cta .arrow {
    transition: transform 0.3s var(--nav-ease);
}

.mega-card:hover .mega-card-cta {
    gap: 10px;
    color: var(--c-emerald);
}

.mega-card:hover .mega-card-cta .arrow {
    transform: translateX(3px);
}

/* ----- Layout: tech-cards (2 wide cols, shares .mega-card visuals) ----- */
.mega-grid-tech {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.mega-tech-card {
    padding: 24px 26px 22px;
}

/* ----- Layout: about-cards (3 cols) ----- */
.mega-grid-about {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

/* ----- Layout: two-column (groups) ----- */
.mega-grid-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 56px;
}

.mega-column-title {
    font-family: var(--font-mono-stack);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-text-faint);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--c-line);
}

.nav-container.lang-zh .mega-column-title {
    font-family: inherit;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.mega-column-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mega-column-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px 14px;
    margin: 0 -14px;
    border-radius: 10px;
    text-decoration: none;
    color: #0f172a;
    transition: background 0.25s ease, transform 0.3s var(--nav-ease);
}

.mega-column-item:hover {
    background: rgba(16, 185, 129, 0.06);
    transform: translateX(4px);
}

.mega-column-item.active {
    background: rgba(16, 185, 129, 0.08);
}

.mega-column-item-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
}

.mega-column-item-title .arrow {
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.25s ease, transform 0.3s var(--nav-ease);
    color: var(--c-emerald);
    font-weight: 500;
}

.mega-column-item:hover .mega-column-item-title .arrow {
    opacity: 1;
    transform: translateX(0);
}

.mega-column-item-desc {
    font-size: 12.5px;
    color: rgba(15, 23, 42, 0.55);
    line-height: 1.5;
}

/* ----- Layout: links-cta ----- */
.mega-grid-links-cta {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 56px;
}

.mega-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    align-content: start;
}

.mega-link-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 18px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid var(--c-line);
    text-decoration: none;
    color: var(--c-text);
    transition:
        border-color 0.25s ease,
        background 0.25s ease;
}

.mega-link-item:hover {
    background: rgba(15, 23, 42, 0.02);
    border-color: var(--c-line-strong);
}

.mega-link-item.active {
    border-color: var(--c-emerald);
}

.mega-link-title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-text);
}

.mega-link-title .arrow {
    color: var(--c-text-faint);
    opacity: 0.6;
    transition: transform 0.3s var(--nav-ease), opacity 0.2s ease, color 0.2s ease;
}

.mega-link-item:hover .mega-link-title .arrow {
    transform: translateX(3px);
    opacity: 1;
    color: var(--c-emerald);
}

.mega-link-desc {
    font-size: 12.5px;
    color: var(--c-text-muted);
    line-height: 1.55;
}

.mega-cta-block {
    position: relative;
    padding: 26px 28px;
    border-radius: 6px;
    background: #0b1426;
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: #fff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
}

.mega-cta-eyebrow {
    font-family: var(--font-mono-stack);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-emerald);
}

.nav-container.lang-zh .mega-cta-eyebrow {
    font-family: inherit;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.mega-cta-tagline {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.92);
    letter-spacing: -0.005em;
}

.mega-cta-btn {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 4px;
    background: #fff;
    color: var(--c-text);
    font-family: var(--font-mono-stack);
    font-size: 10.5px;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    text-decoration: none;
    transition: gap 0.25s ease, background 0.2s ease;
}

.nav-container.lang-zh .mega-cta-btn {
    font-family: inherit;
    letter-spacing: 0.04em;
    text-transform: none;
    font-size: 13px;
    font-weight: 500;
    padding: 11px 18px;
}

.mega-cta-btn:hover {
    gap: 12px;
    background: var(--c-emerald);
    color: #fff;
}

.mega-cta-btn .arrow {
    transition: transform 0.3s var(--nav-ease);
}

.mega-cta-btn:hover .arrow {
    transform: translateX(3px);
}

/* =========================================================
   Bottom Glow Line (shimmer when scrolled)
========================================================= */
/* nav-glow-line removed — bottom hairline now provided by box-shadow inset on .is-scrolled */
.nav-glow-line { display: none; }

/* =========================================================
   Inner-page (non-home) defaults — always have a light glass tint so dark
   text never sits on a fully-transparent bar.
========================================================= */
.nav-container.inner-page {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    box-shadow: inset 0 -1px 0 var(--c-line);
}

.nav-container.inner-page.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    -webkit-backdrop-filter: blur(var(--nav-blur)) saturate(1.4);
    box-shadow: inset 0 -1px 0 var(--c-line), 0 6px 18px -10px rgba(15, 23, 42, 0.18);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .nav-container.inner-page {
        background: rgba(255, 255, 255, 0.96);
    }
}

/* =========================================================
   Mobile Drawer (hidden by default)
========================================================= */
.mobile-drawer-overlay,
.mobile-drawer {
    display: none;
}

/* =========================================================
   Responsive
========================================================= */
@media (max-width: 980px) {
    .mega-grid-products {
        grid-template-columns: repeat(2, 1fr);
    }
    .mega-grid-links-cta {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .mega-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-content {
        height: 64px;
        grid-template-columns: auto 1fr auto;
        gap: 16px;
        padding: 0 20px;
        position: relative;
        z-index: 1002;
    }

    .nav-container.is-scrolled .nav-content,
    .nav-container.mega-open .nav-content {
        height: 56px;
    }

    .logo-img {
        height: 48px;
    }

    .nav-container.is-scrolled .logo-img {
        height: 42px;
    }

    .nav-menu {
        display: none;
    }

    .nav-actions {
        gap: 8px;
    }

    .nav-actions .lang-toggle {
        display: inline-flex;
    }

    .nav-actions .lang-toggle-btn {
        padding: 6px 8px;
        font-size: 12px;
    }

    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        touch-action: manipulation;
    }

    .mega-container {
        display: none !important;
    }

    .nav-glow-line { display: none; }
    .nav-indicator { display: none; }

    .mobile-drawer-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(10px) saturate(120%);
        -webkit-backdrop-filter: blur(10px) saturate(120%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition:
            opacity 0.32s ease,
            visibility 0.32s ease;
        z-index: 1100;
    }

    .mobile-drawer {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: 0;
        width: min(88vw, 380px);
        height: 100dvh;
        background: linear-gradient(180deg, #ffffff, #f5f7fb);
        border-left: 1px solid rgba(15, 23, 42, 0.06);
        transform: translateX(100%);
        transition: transform 0.4s var(--nav-ease), box-shadow 0.4s ease;
        z-index: 1101;
        overflow: hidden;
    }

    body.menu-open-body .mobile-drawer {
        transform: translateX(0);
        box-shadow: -28px 0 80px rgba(15, 23, 42, 0.18);
    }

    body.menu-open-body .mobile-drawer-overlay {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-container.menu-open .menu-toggle span {
        background: #0f172a;
    }

    .mobile-drawer-header {
        flex: 0 0 auto;
        height: 64px;
        padding: 0 22px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    }

    .mobile-drawer-logo {
        text-decoration: none;
        color: #0f172a;
        font-weight: 700;
        font-size: 13px;
        letter-spacing: 0.18em;
        text-transform: uppercase;
    }

    .mobile-drawer-close {
        width: 36px;
        height: 36px;
        border: none;
        background: rgba(15, 23, 42, 0.04);
        border-radius: 999px;
        font-size: 16px;
        line-height: 1;
        cursor: pointer;
        color: #0f172a;
        transition: background 0.2s ease, transform 0.3s var(--nav-ease);
        touch-action: manipulation;
    }

    .mobile-drawer-close:hover {
        background: rgba(15, 23, 42, 0.08);
        transform: rotate(90deg);
    }

    .mobile-drawer-body {
        flex: 1;
        overflow-y: auto;
        padding: 12px 22px 24px;
        -webkit-overflow-scrolling: touch;
    }

    .mobile-nav-link-direct,
    .mobile-level-link {
        display: block;
        text-decoration: none;
        color: #0f172a;
        padding: 14px 0;
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
        font-size: 15px;
        line-height: 1.5;
        transition: color 0.2s ease, transform 0.25s var(--nav-ease);
    }

    .mobile-nav-link-direct {
        font-size: 16px;
        font-weight: 600;
        letter-spacing: 0.06em;
    }

    .mobile-level-link:hover {
        color: var(--c-emerald);
        transform: translateX(4px);
    }

    .mobile-nav-group {
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    }

    .mobile-nav-trigger {
        width: 100%;
        border: none;
        background: transparent;
        padding: 16px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: #0f172a;
        font: inherit;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.06em;
        cursor: pointer;
        text-align: left;
        gap: 12px;
        transition: color 0.2s ease;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
        position: relative;
        z-index: 1;
        user-select: none;
        -webkit-user-select: none;
    }

    .mobile-nav-trigger:hover {
        color: var(--c-emerald);
    }

    .mobile-nav-arrow {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 20px;
        height: 20px;
        font-size: 14px;
        color: rgba(15, 23, 42, 0.5);
        transition: transform 0.3s var(--nav-ease), color 0.2s ease;
    }

    .mobile-nav-group.is-open > .mobile-nav-trigger .mobile-nav-arrow {
        transform: rotate(45deg);
        color: var(--c-emerald);
    }

    .mobile-submenu {
        display: none;
        padding-left: 14px;
        padding-bottom: 8px;
    }

    .mobile-nav-group.is-open > .mobile-submenu {
        display: block;
    }

    .mobile-lang-toggle {
        display: none;
    }
}

/* =========================================================
   Page-level helpers (keep) — used elsewhere on site
========================================================= */
.hero {
    padding-top: 200px;
    text-align: center;
    background: linear-gradient(to bottom, var(--surface-elevate), var(--surface-page));
    min-height: 600px;
}

h1 {
    font-size: 56px;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .hero {
        padding-top: 120px;
        min-height: 420px;
        padding-left: 20px;
        padding-right: 20px;
    }

    h1 {
        font-size: 34px;
        letter-spacing: -1px;
        margin-bottom: 12px;
    }

    .hero p {
        font-size: 15px;
    }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-spring),
    box-shadow var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring-focus);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

/* Primary */
.btn--primary {
  background: var(--ink);
  color: var(--text-inverse);
  border-color: var(--ink);
}

.btn--primary:hover {
  background: var(--titan-800);
  border-color: var(--titan-800);
}

/* Secondary / Ghost */
.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-default);
}

.btn--secondary:hover {
  background: var(--surface-inset);
  border-color: var(--titan-600);
}

/* Accent / Jewel */
.btn--accent {
  background: var(--accent);
  color: var(--accent-foreground);
  border-color: var(--accent);
}

.btn--accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Ghost (no border) */
.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--surface-inset);
}

/* Large */
.btn--lg {
  font-size: var(--text-body);
  padding: var(--space-4) var(--space-8);
}

/* Small */
.btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
}

/* Disabled */
.btn:disabled,
.btn--disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* Backward compat */
.page-cta,
.fairy_style-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  padding: var(--space-4) var(--space-8);
  background: var(--ink);
  color: var(--text-inverse);
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition:
    background var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-spring),
    box-shadow var(--duration-fast) var(--ease-out);
}

.page-cta:hover,
.fairy_style-hero-cta:hover {
  background: var(--titan-800);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ===== CARDS ===== */
.card {
  background: var(--surface-elevate);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition:
    transform var(--duration-normal) var(--ease-quint),
    box-shadow var(--duration-normal) var(--ease-quint);
}

/* Flat card */
.card--flat {
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xs);
}

.card--flat:hover {
  box-shadow: var(--shadow-sm);
}

/* Elevated card */
.card--elevated {
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.card--elevated:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Glass card */
.card--glass {
  background: var(--surface-glass);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-glass), var(--shadow-md);
}

.card__inner {
  padding: var(--space-6);
}

/* ===== FORMS ===== */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__label {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
}

.field__input,
.field__textarea,
.field__select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  color: var(--text-primary);
  background: var(--surface-elevate);
  border: 1.5px solid var(--border-default);
  border-radius: var(--border-radius-md);
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.field__input:focus,
.field__textarea:focus,
.field__select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--ring-focus);
}

.field__input::placeholder,
.field__textarea::placeholder {
  color: var(--text-muted);
}

.field__textarea {
  min-height: 120px;
  resize: vertical;
}

.field__error {
  font-size: var(--text-xs);
  color: #dc2626;
}

.field--error .field__input,
.field--error .field__textarea,
.field--error .field__select {
  border-color: #dc2626;
}