:root {
    --bg: #07111f;
    --surface: #0f1d31;
    --surface2: #14243a;
    --text: #f8fafc;
    --muted: #b8c3d3;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #f97316;
    --accent2: #fb923c;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
    --font-h: "Montserrat", sans-serif;
    --font-b: "Inter", sans-serif;
    --header: 88px;
}
html[data-theme="light"] {
    --bg: #f7f8fb;
    --surface: #fff;
    --surface2: #eef2f7;
    --text: #0f172a;
    --muted: #475569;
    --line: rgba(15, 23, 42, 0.12);
    --shadow: 0 24px 80px rgba(15, 23, 42, 0.12);
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-b);
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
.container {
    width: min(1180px, calc(100% - 40px));
    margin: auto;
}
.section {
    position: relative;
    padding: 110px 0;
}
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #07111f;
    display: grid;
    place-items: center;
    transition: 0.6s;
}
.preloader img {
    width: 260px;
}
.preloader span {
    position: absolute;
    bottom: 28%;
    width: 140px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: load 1.2s infinite;
}
.preloader.hide {
    opacity: 0;
    visibility: hidden;
}
@keyframes load {
    from {
        transform: translateX(-80px);
    }
    to {
        transform: translateX(80px);
    }
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(18px, 4vw, 56px);
    transition: 0.35s;
    background: linear-gradient(180deg, rgba(7, 17, 31, 0.8), rgba(7, 17, 31, 0));
    border-bottom: 1px solid transparent;
}
.site-header.scrolled {
    height: 74px;
    background: rgba(7, 17, 31, 0.78);
    backdrop-filter: blur(18px);
    border-color: var(--line);
}
html[data-theme="light"] .site-header.scrolled {
    background: rgba(255, 255, 255, 0.86);
}
.brand {
    display: flex;
    align-items: center;
}
.logo {
    width: 230px;
    height: auto;
}
.logo-light {
    display: none;
}
html[data-theme="light"] .logo-dark {
    display: none;
}
html[data-theme="light"] .logo-light {
    display: block;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    font-family: var(--font-h);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.main-nav a {
    position: relative;
    color: var(--muted);
}
.main-nav a.active,
.main-nav a:hover {
    color: var(--text);
}
.main-nav a:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: 0.25s;
}
.main-nav a:hover:after,
.main-nav a.active:after {
    width: 100%;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.lang-switch {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border-radius: 999px;
    padding: 10px 14px;
    font-weight: 800;
    cursor: pointer;
}
.theme-switch {
    width: 54px;
    height: 30px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.09);
    padding: 3px;
    cursor: pointer;
}
.theme-switch span {
    display: block;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent);
    transition: 0.25s;
}
html[data-theme="light"] .theme-switch span {
    transform: translateX(23px);
}
.menu-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
}
.menu-toggle i {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text);
    margin: 6px 0;
}
.hero {
    min-height: 100vh;
    display: grid;
    align-items: center;
    overflow: hidden;
    padding: var(--header) 0 70px;
}
.hero:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--bg) 0%, rgba(7, 17, 31, 0.78) 42%, rgba(7, 17, 31, 0.25));
    z-index: 1;
}
html[data-theme="light"] .hero:before {
    background: linear-gradient(90deg, rgba(247, 248, 251, 0.96), rgba(247, 248, 251, 0.7), rgba(247, 248, 251, 0.18));
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.06);
    transition: 1s;
}
.hero-bg.active {
    opacity: 0.52;
    transform: scale(1);
    animation: ken 8s linear infinite;
}
@keyframes ken {
    to {
        transform: scale(1.07);
    }
}
.blueprint-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(90deg, #000, transparent 75%);
    opacity: 0.35;
    z-index: 2;
}
.hero-inner {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.05fr 0.75fr;
    gap: 60px;
    align-items: center;
}
.eyebrow,
.section-kicker {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--accent);
    font: 800 12px var(--font-h);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.eyebrow span {
    width: 56px;
    height: 2px;
    background: var(--accent);
}
h1,
h2,
h3 {
    font-family: var(--font-h);
    line-height: 1.04;
    margin: 0;
}
h1 {
    font-size: clamp(42px, 6vw, 84px);
    letter-spacing: -0.05em;
    max-width: 860px;
}
h2 {
    font-size: clamp(34px, 4vw, 56px);
    letter-spacing: -0.04em;
}
p {
    color: var(--muted);
    font-size: 17px;
    line-height: 1.75;
}
.hero-copy p {
    max-width: 680px;
    font-size: 19px;
}
.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 15px 24px;
    font: 800 13px var(--font-h);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--line);
    transition: 0.25s;
}
.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: white;
    border: 0;
    box-shadow: 0 18px 35px rgba(249, 115, 22, 0.28);
}
.btn.secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}
.btn:hover {
    transform: translateY(-3px);
}
.hero-panel {
    align-self: end;
}
.panel-card {
    margin-left: auto;
    width: min(390px, 100%);
    background: rgba(15, 29, 49, 0.78);
    border: 1px solid var(--line);
    backdrop-filter: blur(18px);
    border-radius: 28px;
    padding: 32px;
    box-shadow: var(--shadow);
}
html[data-theme="light"] .panel-card {
    background: rgba(255, 255, 255, 0.78);
}
.panel-card small {
    color: var(--accent);
    font-weight: 900;
    letter-spacing: 0.18em;
}
.panel-card h3 {
    font-size: 26px;
    margin: 12px 0;
}
.slider-dots {
    display: flex;
    justify-content: flex-end;
    gap: 9px;
    margin-top: 22px;
}
.slider-dots button {
    width: 10px;
    height: 10px;
    border: 0;
    border-radius: 999px;
    background: var(--muted);
    opacity: 0.5;
    cursor: pointer;
}
.slider-dots button.active {
    width: 34px;
    background: var(--accent);
    opacity: 1;
}
.split {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 70px;
    align-items: center;
}
.section-copy h2 {
    margin: 14px 0 24px;
}
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 34px;
}
.stats div,
.service-card,
.contact-form {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow);
}
.stats strong {
    display: block;
    font: 900 42px var(--font-h);
    color: var(--accent);
}
.stats span {
    color: var(--muted);
    font-size: 14px;
}
.image-stack {
    position: relative;
}
.image-stack img {
    border-radius: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--line);
}
.floating-note {
    position: absolute;
    left: -26px;
    bottom: 28px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 18px 22px;
    box-shadow: var(--shadow);
    max-width: 310px;
}
.floating-note b {
    font-family: var(--font-h);
    font-size: 24px;
    color: var(--accent);
    display: block;
}
.floating-note span {
    color: var(--muted);
    font-size: 13px;
}
.section-head {
    text-align: center;
    max-width: 780px;
    margin: 0 auto 48px;
}
.section-head .section-kicker {
    justify-content: center;
}
.section-head h2 {
    margin-top: 14px;
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    min-height: 270px;
    transition: 0.25s;
    position: relative;
    overflow: hidden;
}
.service-card:after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: 0.25s;
}
.service-card:hover {
    transform: translateY(-8px);
}
.service-card:hover:after {
    transform: scaleX(1);
}
.icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: rgba(249, 115, 22, 0.12);
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 32px;
    margin-bottom: 26px;
}
.filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}
.filters button {
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--muted);
    border-radius: 999px;
    padding: 11px 18px;
    font-weight: 800;
    cursor: pointer;
}
.filters button.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}
.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.project-card {
    position: relative;
    height: 440px;
    border-radius: 30px;
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    cursor: pointer;
}
.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}
.project-card:hover img {
    transform: scale(1.08);
}
.project-card:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.85));
    z-index: 1;
}
.project-card div {
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: 26px;
    z-index: 2;
}
.project-card span {
    color: var(--accent);
    font-weight: 900;
}
.project-card h3 {
    color: #fff;
    font-size: 28px;
    margin-top: 8px;
}
.project-card.hide {
    display: none;
}
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1fr 1fr;
    gap: 24px;
    align-items: stretch;
}
.contact-form {
    display: grid;
    gap: 14px;
}
input,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: var(--surface2);
    color: var(--text);
    border-radius: 16px;
    padding: 16px;
    font: inherit;
}
textarea {
    min-height: 148px;
    resize: vertical;
}
.map {
    min-height: 420px;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(1) contrast(1.05);
}
.footer {
    padding: 42px 0;
    border-top: 1px solid var(--line);
    background: var(--surface);
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.footer-logo {
    width: 220px;
}
.footer p {
    margin: 0;
}
.footer span {
    color: var(--muted);
}
.to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-size: 22px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: 0.25s;
    z-index: 900;
}
.to-top.show {
    opacity: 1;
    pointer-events: auto;
}
.reveal {
    opacity: 0;
    transform: translateY(34px);
    transition: 0.75s ease;
}
.reveal.visible {
    opacity: 1;
    transform: none;
}
.delay-1 {
    transition-delay: 0.12s;
}
.delay-2 {
    transition-delay: 0.22s;
}
@media (max-width: 1050px) {
    .main-nav {
        position: fixed;
        top: 74px;
        right: 18px;
        left: 18px;
        display: grid;
        gap: 0;
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 24px;
        padding: 18px;
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: 0.25s;
    }
    .main-nav.open {
        opacity: 1;
        visibility: visible;
        transform: none;
    }
    .main-nav a {
        padding: 16px;
        border-bottom: 1px solid var(--line);
    }
    .menu-toggle {
        display: block;
    }
    .hero-inner,
    .split,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .hero-panel {
        display: none;
    }
    .service-grid,
    .project-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
    .floating-note {
        left: 18px;
        right: 18px;
    }
}
@media (max-width: 720px) {
    :root {
        --header: 74px;
    }
    .container {
        width: min(100% - 26px, 1180px);
    }
    .site-header {
        padding: 0 13px;
    }
    .logo {
        width: 174px;
    }
    .lang-switch {
        padding: 8px 11px;
    }
    .theme-switch {
        width: 48px;
    }
    .theme-switch span {
        width: 20px;
        height: 20px;
    }
    html[data-theme="light"] .theme-switch span {
        transform: translateX(19px);
    }
    .section {
        padding: 74px 0;
    }
    .hero {
        min-height: 92vh;
    }
    .hero:before {
        background: linear-gradient(180deg, var(--bg), rgba(7, 17, 31, 0.76));
    }
    h1 {
        font-size: 43px;
    }
    .hero-copy p {
        font-size: 16px;
    }
    .btn {
        width: 100%;
        padding: 15px 18px;
    }
    .stats,
    .service-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }
    .project-card {
        height: 330px;
    }
    .contact-grid {
        gap: 18px;
    }
    .map {
        min-height: 320px;
    }
    .footer-logo {
        width: 190px;
    }
    .preloader img {
        width: 210px;
    }
}
@media (max-width: 420px) {
    h1 {
        font-size: 37px;
    }
    h2 {
        font-size: 31px;
    }
    .header-actions {
        gap: 7px;
    }
    .menu-toggle i {
        width: 22px;
    }
    .hero-cta {
        gap: 10px;
    }
    .stats div,
    .service-card,
    .contact-form {
        padding: 20px;
    }
}
.social-share{

    position:fixed;

    left:30px;

    top:50%;

    transform:translateY(-50%);

    display:flex;

    flex-direction:column;

    gap:14px;

    z-index:9999;

}

.social-share a{

    width:52px;

    height:52px;

    border-radius:50%;

    display:flex;

    justify-content:center;

    align-items:center;

    text-decoration:none;

    background:rgba(17,24,39,.92);

    color:#fff;

    backdrop-filter:blur(12px);

    border:1px solid rgba(255,255,255,.08);

    box-shadow:
        0 12px 30px rgba(0,0,0,.25);

    transition:.35s ease;

}

.social-share a i{

    font-size:22px;

}

.social-share a:hover{

    transform:translateX(6px) scale(1.08);

}

.social-share .fa-facebook-f:hover,
.social-share a:nth-child(1):hover{

    background:#1877F2;

}

.social-share a:nth-child(2):hover{

    background:#000;

}

.social-share a:nth-child(3):hover{

    background:#25D366;

}

.social-share a:nth-child(4):hover{

    background:#7360F2;

}
@media (max-width:768px){

    .social-share{

        left:50%;

        bottom:20px;

        top:auto;

        transform:translateX(-50%);

        flex-direction:row;

        background:rgba(17,24,39,.95);

        padding:10px 14px;

        border-radius:50px;

        backdrop-filter:blur(15px);

        box-shadow:
            0 15px 40px rgba(0,0,0,.35);

    }

    .social-share a{

        width:46px;

        height:46px;

    }
}
.social-share::before,
.social-share::after{

    content:"";

    width:1px;

    height:60px;

    background:rgba(255,255,255,.15);

    margin:auto;

}