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

:root {
    --bg: #fafaf8;
    --black: #0a0a0a;
    --dark: #1a1a1a;
    --text: #444;
    --muted: #888;
    --faint: #ccc;
    --line: #e5e5e3;
    --surface: #f0efed;
    --accent: #b89d5e;
    --accent-h: #a08440;
    --serif: 'Instrument Serif', Georgia, serif;
    --sans: 'Inter', -apple-system, sans-serif;
    --w: 1080px;
    --ease: cubic-bezier(.22,1,.36,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--w); margin: 0 auto; padding: 0 24px; }

.tag {
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
}

.tag.light { color: var(--accent); }

h2 {
    font-family: var(--serif);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 400;
    line-height: 1.08;
    margin-bottom: 20px;
    color: var(--black);
}

h2.light { color: #fff; }

.sub {
    font-size: .92rem;
    color: var(--muted);
    line-height: 1.75;
    max-width: 400px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    font-family: var(--sans);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-decoration: none;
    background: var(--black);
    color: #fff;
    border: none;
    cursor: pointer;
    transition: all .3s var(--ease);
}

.btn:hover { background: var(--accent-h); }
.btn-full { width: 100%; justify-content: center; padding: 14px; }

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    transition: all .4s var(--ease);
}

.nav.scrolled {
    background: rgba(250, 250, 248, .9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
}

.nav-inner {
    max-width: var(--w);
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 26px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: filter .4s var(--ease);
}

.nav.scrolled .nav-logo img { filter: none; }

.nav-links { display: flex; align-items: center; gap: 28px; }

.nav-links a {
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: rgba(255,255,255,.65);
    text-decoration: none;
    transition: color .3s;
}

.nav-links a:hover { color: #fff; }
.nav.scrolled .nav-links a { color: var(--muted); }
.nav.scrolled .nav-links a:hover { color: var(--black); }

.nav-burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 6px;
}

.nav-burger span { display: block; width: 20px; height: 1.5px; background: #fff; transition: all .3s; }
.nav.scrolled .nav-burger span { background: var(--black); }

.hero {
    position: relative;
    background: var(--black);
    padding: 160px 0 0;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 10% 40%, rgba(184,157,94,.08) 0%, transparent 60%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: var(--w);
    margin: 0 auto;
    padding: 0 24px;
}

.hero-eyebrow {
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero h1 {
    font-family: var(--serif);
    font-size: clamp(2.6rem, 7vw, 4.8rem);
    font-weight: 400;
    color: #fff;
    line-height: 1.02;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: .95rem;
    color: rgba(255,255,255,.4);
    max-width: 440px;
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; }

.hero-ctas .btn { background: var(--accent); color: var(--black); }
.hero-ctas .btn:hover { background: #fff; }

.hero-strip {
    position: relative;
    z-index: 2;
    max-width: var(--w);
    margin: 64px auto 0;
    padding: 0 24px;
    display: flex;
    border-top: 1px solid rgba(255,255,255,.06);
}

.strip-item { flex: 1; padding: 28px 0; text-align: center; }

.strip-item strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}

.strip-item span {
    font-size: .6rem;
    font-weight: 500;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255,255,255,.3);
}

.marquee {
    background: var(--bg);
    padding: 12px 0;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.marquee-track { display: flex; animation: scroll 45s linear infinite; }

.marquee-track span {
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--faint);
    white-space: nowrap;
    padding: 0 6px;
}

.marquee-track i { font-size: 5px; color: var(--accent); font-style: normal; padding: 0 8px; }

@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

.about { padding: 140px 0; }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: start;
}

.about-left h2 { margin-top: 4px; }

.about-right p {
    font-size: .92rem;
    color: var(--muted);
    line-height: 1.85;
    margin-bottom: 14px;
}

.about-metrics {
    display: flex;
    gap: 48px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--line);
}

.metric-val {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: -0.03em;
}

.metric-label {
    font-size: .6rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
}

.models { padding: 140px 0; background: var(--surface); }

.models-head { margin-bottom: 56px; }

.models-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }

.model-card {
    background: #fff;
    padding: 36px 24px;
    border: 1px solid var(--line);
    position: relative;
    transition: all .4s var(--ease);
    display: flex;
    flex-direction: column;
}

.model-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.model-card.accent { background: var(--black); border-color: var(--accent); }

.model-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--line);
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 20px;
}

.model-card.accent .model-num { color: rgba(255,255,255,.08); }

.model-card h3 {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 10px;
    color: var(--black);
}

.model-card.accent h3 { color: #fff; }

.model-card p {
    font-size: .85rem;
    color: var(--muted);
    line-height: 1.75;
    margin-bottom: 18px;
}

.model-card.accent p { color: rgba(255,255,255,.45); }

.model-card ul { list-style: none; margin-bottom: 22px; flex-grow: 1; }

.model-card li {
    font-size: .78rem;
    color: var(--text);
    padding: 4px 0;
    padding-left: 14px;
    position: relative;
}

.model-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 5px;
    height: 1px;
    background: var(--accent);
}

.model-card.accent li { color: rgba(255,255,255,.6); }
.model-card.accent li::before { background: var(--accent); }

.model-tag {
    font-size: .55rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent-h);
    background: rgba(184,157,94,.06);
    padding: 5px 12px;
    display: inline-block;
}

.model-card.accent .model-tag { color: var(--accent); background: rgba(184,157,94,.1); }

.how { padding: 140px 0; background: var(--black); }

.how-head { margin-bottom: 56px; }

.how-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }

.how-card {
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.06);
    padding: 40px 28px;
    transition: border-color .4s var(--ease);
}

.how-card:hover { border-color: var(--accent); }

.how-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: rgba(255,255,255,.06);
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
}

.how-card h3 {
    font-family: var(--serif);
    font-size: 1.3rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 12px;
}

.how-card p {
    font-size: .85rem;
    color: rgba(255,255,255,.45);
    line-height: 1.75;
}

.brands { padding: 140px 0; background: #111; }

.brands-head { margin-bottom: 56px; }

.brand-groups { display: flex; flex-direction: column; gap: 36px; }

.brand-group-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }

.brand-line { width: 20px; height: 1.5px; background: var(--accent); flex-shrink: 0; }
.brand-line.blue { background: #4a90d9; }
.brand-line.red { background: #e05555; }
.brand-line.purple { background: #9b59b6; }
.brand-line.gold { background: var(--accent); }

.brand-group h3 { font-family: var(--serif); font-size: 1.1rem; font-weight: 400; color: #fff; }

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 6px;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 8px;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.35);
    background: rgba(255,255,255,.02);
    border: 1px solid rgba(255,255,255,.05);
    text-align: center;
    transition: all .3s;
    cursor: default;
    min-height: 56px;
}

.brand-logo img {
    height: 40px;
    max-width: 90%;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: .5;
    transition: all .3s;
}

.brand-logo:hover img {
    opacity: 1;
}

.brand-logo:hover {
    background: var(--accent);
    color: var(--black);
    border-color: var(--accent);
}

.brand-logo:hover img {
    filter: brightness(0) invert(0);
    opacity: 1;
}

.brand-logo.lux {
    border-color: rgba(184,157,94,.15);
    background: rgba(184,157,94,.04);
}

.brand-others {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 8px;
    font-size: .6rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent);
    background: transparent;
    border: 1px solid rgba(184,157,94,.2);
    text-align: center;
    text-decoration: none;
    transition: all .3s;
    min-height: 56px;
}

.brand-others:hover {
    background: var(--accent);
    color: var(--black);
    border-color: var(--accent);
}

.contact { padding: 140px 0; background: var(--surface); }

.contact-head { margin-bottom: 56px; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-offices { display: flex; flex-direction: column; gap: 20px; }

.office-card {
    background: #fff;
    border: 1px solid var(--line);
    overflow: hidden;
}

.office-map {
    width: 100%;
    aspect-ratio: 16/8;
}

.office-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(100%);
}

.office-info { padding: 20px; }

.office-info h4 {
    font-family: var(--serif);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--black);
    margin-bottom: 6px;
}

.office-info p {
    font-size: .82rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 8px;
}

.office-tel {
    font-size: .82rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    transition: color .3s;
}

.office-tel:hover { color: var(--accent-h); }

.contact-form-wrap {
    background: #fff;
    border: 1px solid var(--line);
    padding: 36px 28px;
}

.contact-form-wrap h3 {
    font-family: var(--serif);
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 6px;
    color: var(--black);
}

.form { display: flex; flex-direction: column; margin-top: 20px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.field { margin-bottom: 14px; }

.field label {
    display: block;
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 5px;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 10px 12px;
    font-family: var(--sans);
    font-size: .85rem;
    color: var(--dark);
    background: var(--surface);
    border: 1px solid transparent;
    outline: none;
    transition: border-color .3s;
    -webkit-appearance: none;
}

.field input:focus,
.field textarea:focus,
.field select:focus { border-color: var(--accent); }

.field select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.field textarea { resize: vertical; min-height: 72px; }

.footer {
    background: var(--black);
    color: rgba(255,255,255,.35);
    padding: 72px 0 28px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    height: 22px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 12px;
}

.footer-brand p { font-size: .82rem; max-width: 280px; line-height: 1.6; }

.footer-nav h5,
.footer-contacts h5 {
    font-size: .55rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: rgba(255,255,255,.2);
    margin-bottom: 14px;
}

.footer-nav a {
    display: block;
    font-size: .82rem;
    color: rgba(255,255,255,.35);
    text-decoration: none;
    margin-bottom: 7px;
    transition: color .3s;
}

.footer-nav a:hover { color: var(--accent); }

.footer-office { margin-bottom: 14px; }

.footer-office p {
    font-size: .75rem;
    line-height: 1.6;
    color: rgba(255,255,255,.35);
}

.footer-office strong { color: rgba(255,255,255,.55); }

.footer-office a {
    display: block;
    font-size: .75rem;
    color: var(--accent);
    text-decoration: none;
    margin-top: 2px;
    transition: color .3s;
}

.footer-office a:hover { color: var(--accent-h); }

.footer-email {
    display: inline-block;
    font-size: .82rem;
    color: var(--accent);
    text-decoration: none;
    margin-top: 8px;
    transition: color .3s;
}

.footer-email:hover { color: var(--accent-h); }

.footer-bot {
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.04);
    font-size: .72rem;
    color: rgba(255,255,255,.15);
}

@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; gap: 44px; }
    .contact-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
    .nav-burger { display: flex; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 72px 24px 32px;
        gap: 0;
        transition: right .4s var(--ease);
        box-shadow: -4px 0 20px rgba(0,0,0,.06);
    }

    .nav-links.active { right: 0; }

    .nav-links a {
        color: var(--text) !important;
        display: block;
        width: 100%;
        padding: 12px 0;
        font-size: .82rem;
        border-bottom: 1px solid var(--line);
    }

    .hero { padding: 110px 0 0; }

    .hero h1 { font-size: clamp(2rem, 9vw, 3rem); }

    .hero-strip {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 0;
        margin-top: 48px;
    }

    .strip-item { padding: 20px 8px; }
    .strip-item strong { font-size: 1.2rem; }

    .models-grid,
    .how-grid { grid-template-columns: 1fr; }

    .about-metrics { gap: 28px; }
    .metric-val { font-size: 1.3rem; }

    .brand-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }

    .contact-offices { flex-direction: row; gap: 12px; }

    .footer-top { flex-direction: column; align-items: flex-start; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }

    .about, .models, .how, .brands, .contact { padding: 80px 0; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: clamp(1.8rem, 10vw, 2.6rem); }

    .hero-ctas { flex-direction: column; width: 100%; }
    .hero-ctas .btn { text-align: center; justify-content: center; width: 100%; }

    .hero-strip { grid-template-columns: 1fr 1fr 1fr; }

    .about-metrics { flex-direction: column; gap: 16px; }

    .brand-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
    .brand-logo { padding: 10px 4px; font-size: .58rem; min-height: 48px; }

    .contact-offices { flex-direction: column; }

    .form-row { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; }
}