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

:root {
    --ink: #0e0e0e;
    --ink-mid: #3f3f46;
    --ink-soft: #71717a;
    --ink-faint: #a1a1aa;
    --surface: #ffffff;
    --surface-2: #f9f9f9;
    --surface-3: #f3f3f3;
    --line: #e4e4e7;
    --accent: #1d4ed8;
    --accent-h: #1e40af;
    --r: 8px;
    --ease: cubic-bezier(.4,0,.2,1);
}

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

body {
    font-family: 'DM Sans', 'Inter', -apple-system, sans-serif;
    background: var(--surface);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.wrap { max-width: 1440px; margin: 0 auto; padding: 0 2.5rem; }

a { color: inherit; text-decoration: none; }

.eyebrow {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    display: block;
    margin-bottom: 1rem;
}

.eyebrow.light {
    color: #93c5fd;
}

.sec-h2 {
    font-size: clamp(1.7rem, 3vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.sec-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
    margin-bottom: 3rem;
}

.sec-lead {
    font-size: 0.95rem;
    color: var(--ink-soft);
    max-width: 360px;
    line-height: 1.7;
}

.img-slot {
    background: var(--surface-3);
    border: 1px solid var(--line);
    border-radius: var(--r);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    padding: 0.8rem 1.8rem;
    transition: all .25s var(--ease);
    cursor: pointer;
    border: none;
}

.btn-dark {
    background: var(--ink);
    color: #fff;
}

.btn-dark:hover {
    background: #2a2a2a;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,0,0,.15);
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1.5px solid var(--line);
}

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

/* header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
}

.hdr {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 72px;
}

.hdr-logo img {
    height: 38px;
    display: block;
}

.hdr-nav {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.hdr-nav a {
    font-size: 0.88rem;
    color: var(--ink-soft);
    transition: color .2s;
}

.hdr-nav a:hover {
    color: var(--ink);
}

.hdr-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.hdr-email {
    font-size: 0.875rem;
    color: var(--ink-soft);
}

.hdr-email:hover {
    color: var(--ink);
}

.hdr-cta {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    border: 1.5px solid var(--accent);
    border-radius: 6px;
    padding: 0.5rem 1.2rem;
    transition: all .2s;
}

.hdr-cta:hover {
    background: var(--accent);
    color: #fff;
}

/* hero */
.hero {
    padding: 148px 0 80px;
    border-bottom: 1px solid var(--line);
}

.hero-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-soft);
    margin-bottom: 1.6rem;
}

.hero-label-line {
    width: 24px;
    height: 1px;
    background: var(--ink-soft);
}

.hero-h1 {
    font-size: clamp(2.4rem, 4vw, 3.8rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: 1.6rem;
}

.hero-h1 em {
    font-style: normal;
    color: var(--accent);
}

.hero-p {
    font-size: 1.05rem;
    color: var(--ink-mid);
    max-width: 520px;
    margin-bottom: 2.4rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: .9rem;
    flex-wrap: wrap;
}

.hero-img {
    height: 480px;
}

/* strip */
.strip {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 1.2rem 0;
    overflow: hidden;
    background: var(--surface-2);
}

.marquee-track {
    display: flex;
    gap: 3rem;
    width: max-content;
    animation: scroll-x 22s linear infinite;
}

.marquee-item {
    white-space: nowrap;
    font-size: .78rem;
    font-weight: 500;
    color: var(--ink-soft);
    letter-spacing: .06em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: .7rem;
}

.marquee-item::after {
    content: "·";
    color: var(--line);
    font-size: 1.2rem;
}

@keyframes scroll-x {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* about */
.about {
    padding: 100px 0;
    background: var(--surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 4rem;
    align-items: start;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-content p {
    font-size: 0.95rem;
    color: var(--ink-mid);
    line-height: 1.8;
}

.about-img {
    height: 100%;
    min-height: 520px;
    position: sticky;
    top: 100px;
}

/* numbers */
.numbers {
    padding: 50px 0;
    background: var(--surface-2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.num-item {
    padding: 2rem 2.5rem;
    border-right: 1px solid var(--line);
}

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

.num-val {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: .4rem;
}

.num-val sup {
    font-size: 1.4rem;
    font-weight: 600;
    vertical-align: super;
}

.num-lbl {
    font-size: .82rem;
    color: var(--ink-soft);
}

/* products */
.products {
    padding: 100px 0;
    background: var(--surface);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.product-card {
    min-height: 130px;
    border: 1px solid var(--line);
    border-radius: var(--r);
    background: var(--surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1.5rem;
    transition: all .25s var(--ease);
}

.product-card:hover {
    transform: translateY(-3px);
    background: #fff;
    border-color: #c7d2fe;
    box-shadow: 0 12px 28px rgba(0,0,0,.05);
}

.product-card h3 {
    font-size: .95rem;
    font-weight: 700;
    letter-spacing: .04em;
}

/* projects */
.projects {
    padding: 100px 0;
    background: var(--surface-2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.projects-grid {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 4rem;
    align-items: center;
}

.projects-img {
    min-height: 520px;
}

.projects-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.projects-content p {
    font-size: .95rem;
    color: var(--ink-mid);
    line-height: 1.8;
}

/* brands */
.brands {
    padding: 100px 0;
    background: var(--surface);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}

.brand-card {
    height: 110px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    transition: all .25s var(--ease);
}

.brand-card:hover {
    background: #fff;
    border-color: #c7d2fe;
}

.brand-card img {
    max-width: 100%;
    max-height: 46px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: .85;
    transition: all .25s;
}

.brand-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* contact */
.contact-section {
    padding: 100px 0;
    border-top: 1px solid var(--line);
}

.contact-box {
    background: var(--ink);
    border-radius: 16px;
    padding: 72px 80px;
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 4rem;
    position: relative;
    overflow: hidden;
}

.contact-box::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(29,78,216,.3) 0%, transparent 70%);
    pointer-events: none;
}

.cta-h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.cta-p {
    font-size: .95rem;
    color: #a1a1aa;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.cci {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.cci-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 8px;
    background: rgba(255,255,255,.07);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cci-body a,
.cci-body span {
    font-size: .92rem;
    color: #fff;
}

.contact-form {
    position: relative;
    z-index: 1;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: .45rem;
}

.form-field.full {
    grid-column: 1 / -1;
}

.form-field label {
    font-size: .82rem;
    color: #d4d4d8;
}

.form-field input,
.form-field textarea {
    width: 100%;
    border: 1px solid rgba(255,255,255,.12);
    background: rgba(255,255,255,.05);
    color: #fff;
    border-radius: 8px;
    padding: .95rem 1rem;
    outline: none;
    font-family: inherit;
    font-size: .92rem;
    transition: border-color .2s, background .2s;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: #a1a1aa;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: #60a5fa;
    background: rgba(255,255,255,.08);
}

.form-field textarea {
    min-height: 140px;
    resize: vertical;
}

.cta-btn {
    margin-top: 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    padding: .85rem 2rem;
    border-radius: 7px;
    font-weight: 600;
    font-size: .9rem;
    border: none;
    cursor: pointer;
    transition: all .25s;
}

.cta-btn:hover {
    background: var(--accent-h);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(29,78,216,.35);
}

/* footer */
footer {
    background: var(--surface-2);
    border-top: 1px solid var(--line);
    padding: 52px 0 28px;
}

.footer-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo img {
    height: 34px;
    display: block;
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: .85rem;
    color: var(--ink-soft);
    line-height: 1.7;
    max-width: 340px;
}

.footer-col h4 {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 1.2rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: .65rem;
}

.footer-col li a,
.footer-col li span {
    font-size: .87rem;
    color: var(--ink-soft);
    transition: color .2s;
}

.footer-col li a:hover {
    color: var(--ink);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.8rem;
    border-top: 1px solid var(--line);
    font-size: .8rem;
    color: var(--ink-faint);
}

/* responsive */
@media (max-width: 1024px) {
    .hdr-nav { display: none; }
    .about-grid,
    .projects-grid,
    .contact-box {
        grid-template-columns: 1fr;
    }

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

    .numbers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .num-item:nth-child(2) { border-right: none; }
    .num-item:nth-child(3),
    .num-item:nth-child(4) { border-top: 1px solid var(--line); }
    .num-item:nth-child(4) { border-right: none; }

    .about-img {
        position: static;
        min-height: 360px;
    }
}

@media (max-width: 768px) {
    .hero-layout,
    .footer-row,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero-img {
        display: none;
    }

    .products-grid,
    .brands-grid,
    .numbers-grid {
        grid-template-columns: 1fr 1fr;
    }

    .sec-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .hdr-email,
    .hdr-nav {
        display: none;
    }

    .contact-box {
        padding: 42px 24px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: .5rem;
        text-align: center;
    }
}

@media (max-width: 560px) {
    .wrap {
        padding: 0 1.2rem;
    }

    .products-grid,
    .brands-grid,
    .numbers-grid {
        grid-template-columns: 1fr;
    }

    .hdr {
        height: 68px;
    }
}