:root {
    color-scheme: dark;
    --zkt-blue: #0078ff;
    --zkt-cyan: #3ecbff;
    --zkt-deep: #001b3d;
    --zkt-graphite: #0d0d0f;
    --zkt-black: #000;
    --zkt-silver: #c0c0c0;
    --zkt-line: rgba(62, 203, 255, 0.24);
    --zkt-text: #f4f8ff;
    --zkt-muted: #a9b8cc;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.zkt-page {
    min-width: 320px;
    margin: 0;
    color: var(--zkt-text);
    background: var(--zkt-black);
    font-family: "Manrope", "Segoe UI", Arial, sans-serif;
}

.zkt-page a {
    color: inherit;
}

.zkt-shell {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    padding: 28px min(5vw, 72px);
    background:
        radial-gradient(circle at 76% 15%, rgba(0, 120, 255, 0.24), transparent 32%),
        radial-gradient(circle at 18% 26%, rgba(62, 203, 255, 0.13), transparent 28%),
        linear-gradient(135deg, #02060d 0%, #061222 48%, #000 100%);
}

.zkt-grid,
.zkt-orbit {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.zkt-grid {
    opacity: 0.18;
    background-image:
        linear-gradient(rgba(62, 203, 255, 0.13) 1px, transparent 1px),
        linear-gradient(90deg, rgba(62, 203, 255, 0.13) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, #000, transparent 86%);
}

.zkt-orbit::before,
.zkt-orbit::after {
    position: absolute;
    width: 680px;
    height: 680px;
    border: 1px solid rgba(62, 203, 255, 0.18);
    border-radius: 50%;
    content: "";
    filter: drop-shadow(0 0 24px rgba(0, 120, 255, 0.32));
    animation: zkt-spin 28s linear infinite;
}

.zkt-orbit::before {
    top: -260px;
    right: -180px;
}

.zkt-orbit::after {
    bottom: -330px;
    left: -260px;
    animation-direction: reverse;
}

.zkt-header,
.zkt-hero,
.zkt-section,
.zkt-split,
.zkt-contact,
.zkt-footer {
    position: relative;
    z-index: 1;
    width: min(1180px, 100%);
    margin-inline: auto;
}

.zkt-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 14px 0 34px;
}

.zkt-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.zkt-brand__mark {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border: 1px solid var(--zkt-line);
    border-radius: 18px;
    color: #fff;
    background: linear-gradient(135deg, #07101c, #003a88);
    box-shadow: 0 0 28px rgba(0, 120, 255, 0.28);
    font-family: "Exo 2", sans-serif;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.zkt-brand strong,
.zkt-brand small {
    display: block;
}

.zkt-brand strong {
    font-family: "Exo 2", sans-serif;
    font-size: 1.08rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.zkt-brand small {
    margin-top: 2px;
    color: var(--zkt-muted);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.zkt-nav {
    display: inline-flex;
    gap: 8px;
    padding: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(14px);
}

.zkt-nav a {
    padding: 10px 15px;
    border-radius: 999px;
    color: var(--zkt-muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-decoration: none;
    text-transform: uppercase;
}

.zkt-nav a:hover {
    color: #fff;
    background: rgba(0, 120, 255, 0.2);
}

.zkt-hero {
    min-height: 650px;
    display: grid;
    align-items: center;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
    gap: clamp(28px, 6vw, 78px);
    padding: 34px 0 74px;
}

.zkt-kicker {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--zkt-cyan);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.zkt-kicker::before {
    width: 34px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    content: "";
    box-shadow: 0 0 16px currentColor;
}

.zkt-hero h1,
.zkt-section h2,
.zkt-panel h2,
.zkt-contact h2 {
    margin: 18px 0 0;
    font-family: "Exo 2", sans-serif;
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 0.98;
}

.zkt-hero h1 {
    max-width: 850px;
    font-size: clamp(3rem, 6.4vw, 5.9rem);
}

.zkt-hero p {
    max-width: 680px;
    margin: 26px 0 0;
    color: #d8e4f5;
    font-size: clamp(1.05rem, 2vw, 1.4rem);
    line-height: 1.65;
}

.zkt-actions,
.zkt-contact__links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.zkt-button,
.zkt-contact__links a,
.zkt-contact__links span {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 20px;
    border: 1px solid var(--zkt-line);
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-decoration: none;
    text-transform: uppercase;
}

.zkt-button--primary {
    border-color: rgba(0, 120, 255, 0.82);
    color: #fff;
    background: linear-gradient(135deg, #0053c7, #00a6ff);
    box-shadow: 0 18px 50px rgba(0, 120, 255, 0.34);
}

.zkt-button--ghost,
.zkt-contact__links a,
.zkt-contact__links span {
    color: #dfe9f8;
    background: rgba(255, 255, 255, 0.05);
}

.zkt-button--disabled,
.zkt-contact__links span {
    color: rgba(223, 233, 248, 0.72);
}

.zkt-hero__visual,
.zkt-panel,
.zkt-card,
.zkt-gbic-table,
.zkt-pillar,
.zkt-checklist,
.zkt-vendors,
.zkt-wide-media,
.zkt-progress-card,
.zkt-contact {
    border: 1px solid rgba(62, 203, 255, 0.18);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02)),
        rgba(4, 11, 20, 0.78);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(18px);
}

.zkt-hero__visual {
    position: relative;
    min-height: 430px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: 36px;
    transform-style: preserve-3d;
}

.zkt-hero__visual::before {
    position: absolute;
    inset: -40%;
    content: "";
    background: conic-gradient(from 120deg, transparent, rgba(0, 120, 255, 0.55), transparent 32%);
    animation: zkt-spin 10s linear infinite;
}

.zkt-hero__visual img,
.zkt-panel--image img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.zkt-hero__visual img {
    width: min(92%, 620px);
    height: auto;
    border-radius: 24px;
    transform: translateZ(44px);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.44);
}

.zkt-scanline {
    position: absolute;
    z-index: 2;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(62, 203, 255, 0.16), transparent);
    transform: translateX(-110%);
    animation: zkt-scan 5s ease-in-out infinite;
    pointer-events: none;
}

.zkt-section,
.zkt-split,
.zkt-contact {
    margin-top: 42px;
}

.zkt-section {
    padding: 72px 0 12px;
}

.zkt-section__heading {
    max-width: 780px;
}

.zkt-section h2,
.zkt-panel h2,
.zkt-contact h2 {
    font-size: clamp(2.4rem, 5vw, 4.5rem);
}

.zkt-section__heading p,
.zkt-panel p,
.zkt-contact p,
.zkt-card p,
.zkt-pillar p {
    color: var(--zkt-muted);
    line-height: 1.75;
}

.zkt-service-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
}

.zkt-card {
    min-height: 230px;
    padding: 26px;
    border-radius: 26px;
    transform-style: preserve-3d;
}

.zkt-card i {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    color: var(--zkt-cyan);
    background: rgba(0, 120, 255, 0.12);
    box-shadow: inset 0 0 0 1px rgba(62, 203, 255, 0.2), 0 0 26px rgba(0, 120, 255, 0.18);
    font-size: 1.35rem;
}

.zkt-card h3 {
    margin: 28px 0 10px;
    font-family: "Exo 2", sans-serif;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.zkt-card p {
    margin: 0;
    font-size: 0.9rem;
}

.zkt-card__media {
    position: relative;
    height: 150px;
    overflow: hidden;
    margin: -10px -10px 20px;
    border: 1px solid rgba(62, 203, 255, 0.14);
    border-radius: 20px;
    background: #02060d;
}

.zkt-card__media::after,
.zkt-wide-media::after {
    position: absolute;
    inset: 0;
    content: "";
    background:
        linear-gradient(180deg, transparent 42%, rgba(2, 6, 13, 0.76)),
        radial-gradient(circle at 72% 18%, rgba(0, 120, 255, 0.16), transparent 34%);
    pointer-events: none;
}

.zkt-card__media img,
.zkt-wide-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.55s ease, filter 0.55s ease;
}

.zkt-card:hover .zkt-card__media img,
.zkt-wide-media:hover img {
    filter: brightness(1.1);
    transform: scale(1.05);
}

.zkt-equipment-grid,
.zkt-datacenter-grid {
    display: grid;
    gap: 16px;
    margin-top: 34px;
}

.zkt-equipment-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.zkt-equipment-card {
    min-height: 390px;
}

.zkt-vendors {
    position: relative;
    z-index: 1;
    width: min(1180px, 100%);
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 28px;
    margin: 54px auto 0;
    padding: 32px;
    border-radius: 32px;
}

.zkt-vendors h2 {
    margin: 18px 0 0;
    font-family: "Exo 2", sans-serif;
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1;
    letter-spacing: -0.05em;
}

.zkt-vendors p {
    margin: 18px 0 0;
    color: var(--zkt-muted);
    line-height: 1.72;
}

.zkt-vendor-cloud {
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    gap: 10px;
}

.zkt-vendor-cloud span {
    padding: 12px 14px;
    border: 1px solid rgba(62, 203, 255, 0.18);
    border-radius: 999px;
    color: #f5f9ff;
    background: linear-gradient(135deg, rgba(0, 120, 255, 0.18), rgba(255, 255, 255, 0.045));
    box-shadow: 0 0 24px rgba(0, 120, 255, 0.1);
    font-family: "Exo 2", sans-serif;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.zkt-wide-media {
    position: relative;
    overflow: hidden;
    height: clamp(260px, 38vw, 430px);
    margin: 34px 0 18px;
    border-radius: 32px;
}

.zkt-wide-media img {
    position: relative;
}
}

.zkt-gbic-table {
    overflow: hidden;
    margin-top: 34px;
    border-radius: 30px;
}

.zkt-gbic-row {
    display: grid;
    grid-template-columns: 0.7fr 1fr 1.25fr 1.65fr;
    gap: 18px;
    align-items: center;
    padding: 20px 24px;
    border-top: 1px solid rgba(62, 203, 255, 0.12);
    color: #dce8f8;
}

.zkt-gbic-row:first-child {
    border-top: 0;
}

.zkt-gbic-row--head {
    color: var(--zkt-cyan);
    background: rgba(0, 120, 255, 0.14);
    font-family: "Exo 2", sans-serif;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.zkt-gbic-row strong {
    color: #fff;
    font-family: "Exo 2", sans-serif;
    font-size: 1.2rem;
}

.zkt-datacenter-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.zkt-pillar {
    min-height: 245px;
    padding: 28px;
    border-radius: 28px;
}

.zkt-pillar span {
    color: rgba(62, 203, 255, 0.62);
    font-family: "Exo 2", sans-serif;
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.08em;
}

.zkt-pillar h3,
.zkt-checklist h3 {
    margin: 14px 0 10px;
    font-family: "Exo 2", sans-serif;
    font-size: 1.3rem;
}

.zkt-pillar p {
    margin: 0;
    font-size: 0.92rem;
}

.zkt-checklist {
    display: grid;
    grid-template-columns: 0.72fr 1fr;
    gap: 28px;
    margin-top: 18px;
    padding: 30px;
    border-radius: 30px;
}

.zkt-checklist__items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.zkt-checklist__items span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 13px;
    border: 1px solid rgba(62, 203, 255, 0.16);
    border-radius: 999px;
    color: #dce9fb;
    background: rgba(255, 255, 255, 0.045);
    font-size: 0.78rem;
    font-weight: 800;
}

.zkt-checklist__items i {
    color: var(--zkt-cyan);
}

.zkt-split {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 18px;
}

.zkt-panel {
    overflow: hidden;
    padding: clamp(28px, 5vw, 52px);
    border-radius: 32px;
}

.zkt-panel--image {
    min-height: 430px;
    padding: 0;
}

.zkt-values {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.zkt-values span,
.zkt-coming__grid span,
.zkt-roadmap span {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    border: 1px solid rgba(62, 203, 255, 0.16);
    border-radius: 999px;
    color: #dce9fb;
    background: rgba(255, 255, 255, 0.045);
    font-size: 0.78rem;
    font-weight: 800;
}

.zkt-values span {
    padding: 10px 12px;
}

.zkt-values i,
.zkt-coming__grid i,
.zkt-roadmap i {
    color: var(--zkt-cyan);
}

.zkt-progress-card {
    margin-top: 30px;
    padding: 30px;
    border-radius: 30px;
}

.zkt-progress-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
    color: #fff;
    font-family: "Exo 2", sans-serif;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.zkt-progress-card__top strong {
    color: var(--zkt-cyan);
    font-size: 2rem;
}

.zkt-progress {
    height: 18px;
    overflow: hidden;
    border: 1px solid rgba(62, 203, 255, 0.26);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.zkt-progress span {
    height: 100%;
    display: block;
    border-radius: inherit;
    background: linear-gradient(90deg, #004fc2, #00b3ff, #66e0ff);
    box-shadow: 0 0 22px rgba(0, 120, 255, 0.58);
    animation: zkt-pulse 2.6s ease-in-out infinite;
}

.zkt-roadmap,
.zkt-coming__grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.zkt-roadmap span,
.zkt-coming__grid span {
    padding: 12px 14px;
}

.zkt-roadmap .is-pending {
    color: rgba(220, 233, 251, 0.66);
}

.zkt-contact {
    display: grid;
    align-items: center;
    grid-template-columns: 1fr auto;
    gap: 28px;
    padding: 34px;
    border-radius: 32px;
}

.zkt-contact h2 {
    max-width: 720px;
}

.zkt-contact p {
    max-width: 720px;
}

.zkt-contact__links {
    justify-content: flex-end;
    margin-top: 0;
}

.zkt-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 34px 0 18px;
    color: rgba(220, 233, 251, 0.68);
    font-size: 0.84rem;
}

[data-zkt-depth] {
    --rx: 0deg;
    --ry: 0deg;
    transform: perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry));
    transition: transform 0.26s ease, box-shadow 0.26s ease;
}

[data-zkt-depth].is-active {
    box-shadow: 0 34px 100px rgba(0, 120, 255, 0.2);
}

@keyframes zkt-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes zkt-scan {
    0%,
    70%,
    100% {
        transform: translateX(-110%);
    }
    84% {
        transform: translateX(110%);
    }
}

@keyframes zkt-pulse {
    50% {
        filter: brightness(1.28);
    }
}

@media (max-width: 1120px) {
    .zkt-hero,
    .zkt-split,
    .zkt-contact {
        grid-template-columns: 1fr;
    }

    .zkt-service-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zkt-equipment-grid,
    .zkt-datacenter-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zkt-checklist {
        grid-template-columns: 1fr;
    }

    .zkt-vendors {
        grid-template-columns: 1fr;
    }

    .zkt-contact__links {
        justify-content: flex-start;
    }
}

@media (max-width: 720px) {
    .zkt-shell {
        padding: 18px 14px;
    }

    .zkt-header {
        align-items: flex-start;
        flex-direction: column;
        padding-bottom: 22px;
    }

    .zkt-nav {
        width: 100%;
        justify-content: space-between;
        overflow-x: auto;
        border-radius: 18px;
    }

    .zkt-nav a {
        white-space: nowrap;
    }

    .zkt-hero {
        min-height: auto;
        padding: 28px 0 42px;
    }

    .zkt-hero h1 {
        font-size: clamp(2.6rem, 14vw, 4rem);
    }

    .zkt-hero__visual {
        min-height: 300px;
        border-radius: 26px;
    }

    .zkt-service-grid {
        grid-template-columns: 1fr;
    }

    .zkt-equipment-grid,
    .zkt-datacenter-grid {
        grid-template-columns: 1fr;
    }

    .zkt-gbic-table {
        background: transparent;
        border: 0;
        box-shadow: none;
        backdrop-filter: none;
    }

    .zkt-gbic-row,
    .zkt-gbic-row--head {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .zkt-gbic-row {
        margin-top: 12px;
        padding: 18px;
        border: 1px solid rgba(62, 203, 255, 0.18);
        border-radius: 20px;
        background: rgba(4, 11, 20, 0.78);
    }

    .zkt-gbic-row--head {
        display: none;
    }

    .zkt-section {
        padding-top: 48px;
    }

    .zkt-card,
    .zkt-panel,
    .zkt-pillar,
    .zkt-checklist,
    .zkt-vendors,
    .zkt-wide-media,
    .zkt-progress-card,
    .zkt-contact {
        border-radius: 22px;
    }

    .zkt-card__media {
        height: 180px;
    }

    .zkt-wide-media {
        height: 240px;
    }

    .zkt-panel--image {
        min-height: 300px;
    }

    .zkt-progress-card__top,
    .zkt-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .zkt-contact {
        padding: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    [data-zkt-depth] {
        transform: none !important;
    }
}