/* ============================================
   35User - premium dark commerce website
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --ink: #101312;
    --ink-2: #171c1a;
    --ink-3: #202724;
    --green-deep: #183328;
    --green: #2c5d4e;
    --green-soft: #438069;
    --gold: #c19c58;
    --gold-light: #e5d1a1;
    --cream: #fbf6ec;
    --muted: #d6ccbc;
    --muted-2: #aca08d;
    --line: rgba(229, 209, 161, 0.24);
    --line-strong: rgba(229, 209, 161, 0.42);
    --glass: rgba(255, 255, 255, 0.085);
    --shadow-deep: 0 30px 80px rgba(0, 0, 0, 0.28);
    --font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    --radius-sm: 4px;
    --radius-md: 14px;
    --radius-lg: 28px;
    --nav-height: 72px;
    --transition: 0.28s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family), sans-serif;
    color: var(--cream);
    background:
        radial-gradient(circle at 15% 0%, rgba(67, 128, 105, 0.32), transparent 38%),
        radial-gradient(circle at 85% 12%, rgba(193, 156, 88, 0.12), transparent 24%),
        linear-gradient(180deg, #121615 0%, #171c1a 48%, #111413 100%);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    isolation: isolate;
    overflow: visible;
    border-bottom: 1px solid transparent;
    background: rgba(18, 22, 21, 0.62);
    backdrop-filter: blur(18px);
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    background: rgba(18, 22, 21, 0.9);
    border-color: var(--line);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.26);
}

.navbar-container {
    max-width: 1360px;
    height: 100%;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo-section {
    display: inline-flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
    min-width: max-content;
}

.logo-section img {
    width: auto;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 8px 20px rgba(184, 150, 82, 0.2));
}

.logo-text {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--cream);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    color: rgba(251, 246, 236, 0.88);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color var(--transition), background var(--transition);
}

.nav-link.is-active,
.nav-item.active > .nav-link {
    color: var(--gold-light);
    background: rgba(229, 209, 161, 0.08);
}

.nav-language-label {
    display: inline-flex;
    align-items: center;
    color: rgba(251, 246, 236, 0.82);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--gold-light);
}

.arrow {
    font-size: 12px;
    transition: transform var(--transition);
}

.nav-item:hover .arrow {
    transform: rotate(180deg);
}

.dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    min-width: 260px;
    padding: 10px;
    background: rgba(24, 29, 27, 0.96);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-deep);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 12px 14px;
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    border-left: 1px solid transparent;
    transition: all var(--transition);
}

.dropdown-item:hover {
    color: var(--gold-light);
    border-color: var(--gold);
    background: rgba(184, 150, 82, 0.08);
}

.language-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--line);
}

.language-switcher {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: stretch;
    min-width: 132px;
}

.language-trigger {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 42px;
    padding: 10px 38px 10px 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.08);
    color: var(--cream);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.language-trigger::after {
    content: "▾";
    position: absolute;
    right: 12px;
    color: var(--gold-light);
    font-size: 11px;
    transition: transform var(--transition);
}

.language-switcher.open .language-trigger {
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.12);
}

.language-switcher.open .language-trigger::after {
    transform: rotate(180deg);
}

.language-trigger:hover,
.language-trigger:focus-visible {
    color: var(--cream);
    border-color: var(--line-strong);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: grid;
    gap: 6px;
    padding: 8px;
    border: 1px solid var(--line);
    background: rgba(17, 20, 19, 0.98);
    box-shadow: var(--shadow-deep);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
    z-index: 20;
}

.language-switcher.open .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--muted);
    text-align: left;
    font-size: 14px;
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.language-option:hover,
.language-option:focus-visible,
.language-option.active {
    color: var(--gold-light);
    border-color: rgba(229, 209, 161, 0.16);
    background: rgba(184, 150, 82, 0.08);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: transparent;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    margin: 0 auto;
    background: var(--cream);
    transition: var(--transition);
}

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

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

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

.menu-backdrop {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.58);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    z-index: 999;
}

body.menu-open .menu-backdrop {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Shared sections
   ============================================ */
.section {
    padding: 112px 32px;
    position: relative;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    max-width: 760px;
    margin: 0 auto 56px;
    text-align: center;
}

.left-header {
    margin-left: 0;
    text-align: left;
}

.section-label,
.eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--gold-light);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.section-title {
    color: var(--cream);
    font-size: clamp(32px, 4vw, 56px);
    line-height: 1.12;
    font-weight: 500;
    letter-spacing: -0.04em;
}

.section-title-lines span {
    display: block;
}

.section-title-lines span + span {
    margin-top: 8px;
}

.models-section .section-header {
    max-width: 960px;
}

.section-desc {
    margin-top: 18px;
    color: var(--muted);
    font-size: 17px;
}

.reveal-ready {
    opacity: 0;
    transform: translateY(24px);
}

.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

/* ============================================
   Hero
   ============================================ */
.hero-section {
    position: relative;
    min-height: 760px;
    padding: 172px 32px 0;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(110deg, rgba(18, 22, 21, 0.88) 0%, rgba(22, 27, 25, 0.76) 48%, rgba(24, 51, 40, 0.68) 100%),
        radial-gradient(circle at 78% 34%, rgba(193, 156, 88, 0.24), transparent 36%),
        linear-gradient(135deg, #151a18 0%, #1a372c 100%);
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(217, 194, 140, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(217, 194, 140, 0.04) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
    pointer-events: none;
}

.hero-bg-orb {
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    filter: blur(55px);
    opacity: 0.42;
    pointer-events: none;
}

.hero-bg-orb-one {
    top: 130px;
    right: 12%;
    background: var(--green-soft);
}

.hero-bg-orb-two {
    bottom: 80px;
    left: 8%;
    background: rgba(184, 150, 82, 0.34);
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 72px;
    align-items: center;
}

.hero-title {
    max-width: 860px;
    color: var(--cream);
    font-size: clamp(42px, 6vw, 82px);
    line-height: 1.04;
    font-weight: 500;
    letter-spacing: -0.055em;
}

.hero-title span {
    display: block;
}

.hero-title span + span {
    margin-top: 8px;
}

.hero-accent {
    margin-top: 22px;
    color: var(--gold-light);
    font-size: 18px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-subtitle {
    max-width: 700px;
    margin-top: 22px;
    color: rgba(251, 246, 236, 0.82);
    font-size: 19px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 14px 28px;
    border: 1px solid var(--line-strong);
    color: var(--cream);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all var(--transition);
}

.btn-primary {
    color: var(--ink);
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    border-color: transparent;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
}

.hero-showcase {
    position: relative;
    height: 500px;
}

.showcase-card {
    position: absolute;
    inset: 36px 0 36px 36px;
    padding: 44px;
    border: 1px solid var(--line-strong);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05)),
        radial-gradient(circle at 100% 0%, rgba(193, 156, 88, 0.24), transparent 36%);
    box-shadow: var(--shadow-deep);
    overflow: hidden;
}

.showcase-card::before {
    content: "";
    position: absolute;
    inset: 24px;
    border: 1px solid rgba(229, 209, 161, 0.2);
}

.showcase-card span,
.showcase-card strong,
.showcase-card small {
    position: relative;
    z-index: 1;
    display: block;
}

.showcase-brand-mark {
    position: absolute;
    top: 44px;
    right: 44px;
    width: 190px;
    max-width: 36%;
    z-index: 0;
    opacity: 0.95;
    pointer-events: none;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.28));
}

.showcase-card span {
    color: var(--gold-light);
    font-size: 12px;
    letter-spacing: 0.24em;
}

.showcase-card strong {
    margin-top: 140px;
    max-width: 360px;
    color: var(--cream);
    font-size: 44px;
    line-height: 1;
    font-weight: 500;
    letter-spacing: -0.04em;
}

.showcase-card small {
    margin-top: 18px;
    color: rgba(251, 246, 236, 0.72);
    letter-spacing: 0.14em;
}

.hero-metrics {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 92px auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: rgba(255, 255, 255, 0.035);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.metric-item {
    padding: 26px 32px;
    border-right: 1px solid var(--line);
}

.metric-item:last-child {
    border-right: none;
}

.metric-item strong {
    display: block;
    color: var(--gold-light);
    font-size: 30px;
    font-weight: 500;
}

.metric-item span {
    color: var(--muted);
    font-size: 14px;
}

/* ============================================
   About
   ============================================ */
.about-section {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent);
}

.split-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 72px;
    align-items: start;
}

.about-panel {
    padding: 42px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.12);
}

.about-panel p {
    color: var(--muted);
    font-size: 16px;
    margin-bottom: 18px;
}

.about-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.about-highlights span {
    padding: 8px 14px;
    color: var(--gold-light);
    border: 1px solid var(--line);
    background: rgba(184, 150, 82, 0.06);
    font-size: 13px;
}

/* ============================================
   Services & products
   ============================================ */
.services-grid,
.products-grid,
.model-overview-grid {
    display: grid;
    gap: 24px;
}

.services-grid {
    grid-template-columns: repeat(3, 1fr);
}

.service-card,
.product-card,
.model-overview-card,
.store-card,
.contact-card {
    position: relative;
    border: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04)),
        rgba(27, 33, 31, 0.82);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover,
.product-card:hover,
.model-overview-card:hover,
.store-card:hover {
    transform: translateY(-6px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-deep);
}

.stores-section {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 72%);
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.store-card {
    min-height: 220px;
    padding: 34px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.store-card h3 {
    color: var(--cream);
    font-size: clamp(30px, 3vw, 42px);
    line-height: 1.1;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.service-card {
    min-height: 330px;
    padding: 34px;
}

.card-number {
    display: block;
    color: var(--gold-light);
    font-size: 13px;
    letter-spacing: 0.22em;
    margin-bottom: 72px;
}

.service-card h3,
.product-card h3,
.model-overview-card h4 {
    color: var(--cream);
    font-size: 24px;
    line-height: 1.2;
    font-weight: 500;
    margin-bottom: 14px;
}

.service-card p,
.product-tagline,
.model-overview-card p {
    color: var(--muted);
    font-size: 15px;
}

.products-section {
    background:
        radial-gradient(circle at 50% 0%, rgba(67, 128, 105, 0.22), transparent 40%),
        rgba(255, 255, 255, 0.03);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.products-grid {
    grid-template-columns: repeat(3, 1fr);
}

.product-card {
    padding: 34px;
    display: flex;
    flex-direction: column;
    min-height: 440px;
}

.product-topline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.product-topline span {
    color: var(--gold-light);
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.product-topline i {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--line-strong));
}

.product-card ul {
    margin: 28px 0 34px;
    list-style: none;
}

.product-card li {
    position: relative;
    padding: 8px 0 8px 22px;
    color: var(--muted);
    font-size: 14px;
    border-bottom: 1px solid rgba(217, 194, 140, 0.08);
}

.product-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    width: 7px;
    height: 7px;
    border: 1px solid var(--gold-light);
    transform: rotate(45deg);
}

.text-link {
    margin-top: auto;
    color: var(--gold-light);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.08em;
    transition: color var(--transition), transform var(--transition);
}

.text-link:hover {
    color: var(--cream);
    transform: translateX(4px);
}

/* ============================================
   Cooperation models
   ============================================ */
.models-section {
    background: linear-gradient(180deg, transparent, rgba(24, 51, 40, 0.28));
}

.model-overview-block {
    margin-bottom: 64px;
}

.model-overview-block h3,
.model-table-heading h3 {
    color: var(--cream);
    font-size: 24px;
    font-weight: 500;
}

.model-overview-grid {
    grid-template-columns: repeat(5, 1fr);
    margin-top: 22px;
}

.model-overview-card {
    display: flex;
    flex-direction: column;
    padding: 26px;
    min-height: 260px;
}

.model-overview-card span {
    display: block;
    color: var(--gold-light);
    margin-bottom: 34px;
    letter-spacing: 0.18em;
}

.model-overview-card strong {
    display: block;
    margin-top: auto;
    padding-top: 18px;
    color: var(--gold-light);
    font-size: 14px;
}

.model-table-section {
    margin-top: 44px;
}

.model-table-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.model-table-heading span {
    color: var(--muted-2);
    font-size: 13px;
}

.model-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--line);
    background: rgba(27, 33, 31, 0.78);
}

.model-table {
    width: 100%;
    min-width: 980px;
    border-collapse: collapse;
    font-size: 14px;
}

.model-table th,
.model-table td {
    padding: 16px 14px;
    border-right: 1px solid rgba(217, 194, 140, 0.12);
    border-bottom: 1px solid rgba(217, 194, 140, 0.12);
    text-align: center;
    vertical-align: top;
}

.model-table th {
    color: var(--ink);
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    font-weight: 700;
}

.model-table th:first-child {
    background: var(--green-deep);
    color: var(--cream);
}

.model-table td {
    color: var(--muted);
    background: rgba(255, 255, 255, 0.025);
}

.model-table .row-label {
    color: var(--gold-light);
    background: rgba(255, 255, 255, 0.1);
    font-weight: 700;
    min-width: 120px;
}

.model-table tr:hover td {
    background: rgba(229, 209, 161, 0.08);
}

/* ============================================
   Contact & footer
   ============================================ */
.contact-section {
    border-top: 1px solid var(--line);
    background:
        linear-gradient(135deg, rgba(18, 22, 21, 0.88), rgba(24, 51, 40, 0.76)),
        radial-gradient(circle at 85% 25%, rgba(193, 156, 88, 0.2), transparent 34%);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.7fr);
    gap: 72px;
    align-items: start;
}

.contact-card {
    padding: 38px;
}

.contact-item {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(217, 194, 140, 0.12);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item span {
    color: var(--gold-light);
    font-size: 13px;
}

.contact-item a {
    color: var(--cream);
    text-decoration: none;
    word-break: break-word;
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--gold-light);
}

.footer {
    padding: 72px 32px 28px;
    background: #101413;
    border-top: 1px solid var(--line);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
}

.footer-brand {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding-bottom: 42px;
    border-bottom: 1px solid var(--line);
}

.footer-brand > * {
    min-height: 116px;
    padding: 28px 32px;
    border: 1px solid var(--line);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025)),
        rgba(27, 33, 31, 0.78);
    display: flex;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--cream);
    font-weight: 600;
}

.footer-logo span {
    font-size: clamp(22px, 2vw, 28px);
    line-height: 1.3;
}

.footer-logo img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.footer-brand p {
    color: var(--muted);
    max-width: 560px;
    margin: 0;
    font-size: 16px;
    line-height: 1.8;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding: 42px 0;
}

.footer-links-grid h4 {
    color: var(--gold-light);
    font-size: 13px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.footer-links-grid a {
    display: block;
    width: fit-content;
    margin-bottom: 9px;
    color: var(--muted);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition);
}

.footer-links-grid a:hover,
.footer-bottom a:hover {
    color: var(--gold-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid rgba(217, 194, 140, 0.12);
    color: var(--muted-2);
    font-size: 13px;
}

.footer-bottom a {
    color: var(--muted-2);
    text-decoration: none;
    transition: color var(--transition);
}

/* ============================================
   404 page
   ============================================ */
.not-found-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    background:
        radial-gradient(circle at 18% 12%, rgba(67, 128, 105, 0.34), transparent 36%),
        radial-gradient(circle at 82% 18%, rgba(193, 156, 88, 0.15), transparent 26%),
        linear-gradient(180deg, #121615 0%, #171c1a 48%, #101312 100%);
}

.not-found-shell {
    width: 100%;
}

.not-found-card {
    max-width: 980px;
    margin: 0 auto;
    padding: 56px;
    border: 1px solid var(--line);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
        rgba(18, 22, 21, 0.88);
    box-shadow: var(--shadow-deep);
}

.not-found-brand {
    display: inline-flex;
    margin-bottom: 28px;
}

.not-found-brand img {
    height: 52px;
    width: auto;
    object-fit: contain;
}

.not-found-code {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--gold-light);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.28em;
}

.not-found-card h1 {
    color: var(--cream);
    font-size: clamp(38px, 6vw, 72px);
    line-height: 1.02;
    font-weight: 500;
    letter-spacing: -0.05em;
}

.not-found-lead {
    max-width: 720px;
    margin-top: 20px;
    color: var(--muted);
    font-size: 18px;
}

.not-found-copy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 34px;
}

.not-found-copy-grid article {
    padding: 22px;
    border: 1px solid rgba(229, 209, 161, 0.16);
    background: rgba(255, 255, 255, 0.04);
}

.not-found-copy-grid strong {
    display: block;
    margin-bottom: 10px;
    color: var(--gold-light);
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.not-found-copy-grid p {
    color: var(--muted);
    font-size: 14px;
}

.not-found-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 38px;
}

.not-found-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.not-found-links a {
    color: var(--gold-light);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.not-found-links a:hover {
    color: var(--cream);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1180px) {
    .nav-menu {
        gap: 0;
    }

    .nav-link {
        padding-inline: 10px;
    }

    .model-overview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-container,
    .split-layout,
    .contact-layout,
    .footer-brand {
        grid-template-columns: 1fr;
    }

    .hero-section {
        padding-top: 140px;
    }

    .hero-showcase {
        height: 380px;
    }

    .showcase-card strong {
        margin-top: 90px;
    }

    .services-grid,
    .products-grid,
    .stores-grid,
    .not-found-copy-grid {
        grid-template-columns: 1fr;
    }

    .product-card,
    .service-card {
        min-height: auto;
    }

    .card-number {
        margin-bottom: 44px;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        position: relative;
        padding: 0 18px;
    }

    .mobile-menu-btn {
        display: flex;
        position: relative;
        z-index: 1002;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        height: calc(100dvh - var(--nav-height));
        max-height: calc(100dvh - var(--nav-height));
        display: block;
        padding: 18px;
        overflow-y: auto;
        background: rgba(8, 9, 9, 0.98);
        border-top: 1px solid var(--line);
        z-index: 1001;
        transform: translateX(100%);
        visibility: hidden;
        transition: transform var(--transition), visibility var(--transition);
    }

    .nav-menu.active {
        transform: translateX(0);
        visibility: visible;
    }

    .nav-link {
        width: 100%;
        justify-content: space-between;
        padding: 16px 4px;
        border-bottom: 1px solid rgba(217, 194, 140, 0.1);
    }

    .nav-link.is-active,
    .nav-item.active > .nav-link {
        padding-inline: 14px;
        border-left: 2px solid var(--gold);
        background: rgba(184, 150, 82, 0.1);
    }

    .nav-language-label {
        display: block;
        margin-bottom: 10px;
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        min-width: 0;
        margin: 10px 0 14px;
        padding: 8px;
        border: 1px solid rgba(229, 209, 161, 0.12);
        border-radius: 16px;
        box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
        background:
            linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
            rgba(19, 23, 22, 0.96);
    }

    .nav-item.active .dropdown {
        display: block;
    }

    .dropdown-item {
        padding: 14px 16px;
        border: 1px solid transparent;
        border-radius: 12px;
        border-left: none;
    }

    .dropdown-item + .dropdown-item {
        margin-top: 4px;
    }

    .dropdown-item:hover,
    .dropdown-item:focus-visible {
        border-color: rgba(229, 209, 161, 0.12);
        background: rgba(184, 150, 82, 0.08);
    }

    .language-nav {
        display: block;
        margin: 18px 0 0;
        padding-left: 0;
        border-left: none;
    }

    .language-switcher {
        width: 100%;
        margin-top: 10px;
    }

    .language-trigger {
        width: 100%;
        padding-block: 13px;
    }

    .language-dropdown {
        position: static;
        margin-top: 10px;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        box-shadow: none;
        border-radius: 16px;
    }

    .language-switcher.open .language-dropdown {
        display: grid;
    }

    .language-option {
        border-radius: 12px;
    }

    .hero-section {
        min-height: auto;
        padding: 126px 20px 0;
    }

    .not-found-body {
        padding: 20px;
    }

    .not-found-card {
        padding: 36px 24px;
    }

    .section {
        padding: 80px 20px;
    }

    .hero-title {
        font-size: clamp(36px, 11vw, 54px);
    }

    .hero-accent {
        font-size: 14px;
    }

    .hero-subtitle,
    .section-desc {
        font-size: 16px;
    }

    .hero-actions,
    .btn {
        width: 100%;
    }

    .hero-showcase {
        height: 320px;
    }

    .showcase-card {
        inset: 20px 0 20px 20px;
        padding: 28px;
    }

    .showcase-brand-mark {
        top: 28px;
        right: 28px;
        width: 132px;
    }

    .showcase-card strong {
        font-size: 32px;
        margin-top: 70px;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
        margin-top: 42px;
    }

    .metric-item {
        border-right: none;
        border-bottom: 1px solid var(--line);
    }

    .metric-item:last-child {
        border-bottom: none;
    }

    .model-overview-grid,
    .footer-links-grid {
        grid-template-columns: 1fr;
    }

    .model-table-heading {
        align-items: start;
        flex-direction: column;
    }

    .contact-item {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}

@media (max-width: 479px) {
    .logo-text {
        font-size: 15px;
        letter-spacing: 0.04em;
    }

    .logo-section img {
        height: 34px;
    }

    .section-title {
        font-size: 30px;
    }

    .about-panel,
    .product-card,
    .service-card,
    .store-card,
    .contact-card,
    .model-overview-card {
        padding: 24px;
    }

    .hero-showcase {
        display: none;
    }

    .not-found-actions,
    .not-found-actions .btn {
        width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
    }
}