:root {
    --gkb-bg: #0b0b0c;
    --gkb-bg-soft: #151518;
    --gkb-text: #ffffff;
    --gkb-text-muted: rgba(255,255,255,.72);
    --gkb-line: rgba(255,255,255,.12);
    --gkb-accent: #f3d000;
    --gkb-max: 1280px;
    --gkb-radius: 18px;
    --gkb-shadow: 0 24px 80px rgba(0,0,0,.25);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--gkb-bg);
    color: var(--gkb-text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

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

a {
    color: inherit;
}

.gkb-shell {
    width: min(calc(100% - 40px), var(--gkb-max));
    margin-inline: auto;
}

.gkb-eyebrow {
    margin: 0 0 14px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: rgba(255,255,255,.6);
}

.gkb-title {
    margin: 0;
    font-size: clamp(38px, 6vw, 78px);
    line-height: .98;
    letter-spacing: -.045em;
}

.gkb-title--medium {
    font-size: clamp(34px, 4vw, 58px);
}

.gkb-copy {
    max-width: 760px;
    margin: 24px 0 0;
    color: var(--gkb-text-muted);
    font-size: clamp(17px, 1.6vw, 21px);
}

.gkb-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 54px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--gkb-accent);
    color: #111;
    text-decoration: none;
    font-weight: 800;
    transition:
        transform .25s ease,
        background-color .25s ease,
        box-shadow .25s ease;
}

.gkb-button::after {
    content: "→";
    font-size: 1.15em;
    transition: transform .25s ease;
}

.gkb-button:hover,
.gkb-button:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(243,208,0,.2);
}

.gkb-button:hover::after,
.gkb-button:focus-visible::after {
    transform: translateX(4px);
}

.gkb-hero {
    position: relative;
    min-height: 92vh;
    display: grid;
    place-items: center;
    overflow: hidden;
    isolation: isolate;
}

.gkb-hero__video {
    position: absolute;
    inset: 0;
    z-index: -3;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gkb-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        linear-gradient(180deg, rgba(0,0,0,.2) 0%, rgba(0,0,0,.18) 45%, rgba(0,0,0,.76) 100%),
        linear-gradient(90deg, rgba(0,0,0,.28), rgba(0,0,0,.03));
}

.gkb-hero__grain {
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: .12;
    background-image:
        linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 38px 38px;
    mask-image: linear-gradient(to bottom, transparent 0%, #000 35%, #000 100%);
}

.gkb-hero__content {
    width: min(calc(100% - 40px), 1120px);
    padding: 140px 0 80px;
    text-align: center;
}

.gkb-hero__logo {
    width: min(100px, 16vw);
    max-height: 60px;
    object-fit: contain;
    margin: 0 auto 28px;
}

.gkb-hero__fallback-logo {
    display: inline-flex;
    min-height: 88px;
    align-items: center;
    justify-content: center;
    margin-bottom: 36px;
    padding: 14px 22px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 12px;
    font-size: clamp(28px, 5vw, 58px);
    font-weight: 900;
    letter-spacing: -.04em;
    text-transform: uppercase;
}

.gkb-hero__headline {
    max-width: 800px;
    margin: 0 auto;
    font-size: clamp(34px, 5vw, 64px);
    line-height: .98;
    letter-spacing: -.045em;
    text-transform: uppercase;
}

.gkb-hero__lead {
    max-width: 680px;
    margin: 24px auto 32px;
    font-size: clamp(18px, 2vw, 23px);
    color: rgba(255,255,255,.82);
}

.gkb-section {
    padding: 110px 0;
}

.gkb-section--soft {
    background: var(--gkb-bg-soft);
}

.gkb-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: end;
}

.gkb-showcase {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    overflow: hidden;
    border-radius: calc(var(--gkb-radius) + 4px);
    background: #111;
    box-shadow: var(--gkb-shadow);
}

.gkb-showcase__media {
    min-height: 620px;
    background:
        linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,0)),
        #202024;
}

.gkb-showcase__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gkb-showcase__placeholder {
    height: 100%;
    min-height: 620px;
    display: grid;
    place-items: center;
    padding: 30px;
    color: rgba(255,255,255,.45);
    text-align: center;
}

.gkb-showcase__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(38px, 6vw, 80px);
}

.gkb-banner {
    position: relative;
    min-height: 620px;
    display: grid;
    align-items: end;
    overflow: hidden;
    border-radius: calc(var(--gkb-radius) + 4px);
    background: #1b1b1e;
}

.gkb-banner__bg {
    position: absolute;
    inset: 0;
}

.gkb-banner__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gkb-banner__bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.78));
}

.gkb-banner__placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: rgba(255,255,255,.4);
    background: linear-gradient(135deg, #28282d, #111);
}

.gkb-banner__content {
    position: relative;
    z-index: 1;
    padding: clamp(36px, 6vw, 72px);
}

.gkb-banner__content p {
    max-width: 700px;
}

.gkb-final {
    padding: 120px 0;
    text-align: center;
}

.gkb-final .gkb-copy {
    margin-inline: auto;
}

.gkb-final .gkb-button {
    margin-top: 34px;
}

.gkb-footer-note {
    padding: 26px 20px;
    border-top: 1px solid var(--gkb-line);
    color: rgba(255,255,255,.45);
    text-align: center;
    font-size: 13px;
}

@media (max-width: 900px) {
    .gkb-section {
        padding: 82px 0;
    }

    .gkb-intro,
    .gkb-showcase {
        grid-template-columns: 1fr;
    }

    .gkb-intro {
        gap: 24px;
    }

    .gkb-features {
        grid-template-columns: 1fr;
    }

    .gkb-feature {
        min-height: auto;
    }

    .gkb-feature__number {
        margin-bottom: 34px;
    }

    .gkb-showcase__media,
    .gkb-showcase__placeholder {
        min-height: 430px;
    }
}

@media (max-width: 600px) {
    .gkb-shell,
    .gkb-hero__content {
        width: min(calc(100% - 28px), var(--gkb-max));
    }

    .gkb-hero {
        min-height: 78vh;
    }

    .gkb-hero__content {
        padding: 100px 0 56px;
    }

    .gkb-hero__logo,
    .gkb-hero__fallback-logo {
        margin-bottom: 26px;
    }

    .gkb-section {
        padding: 68px 0;
    }

    .gkb-showcase__media,
    .gkb-showcase__placeholder {
        min-height: 320px;
    }

    .gkb-banner {
        min-height: 500px;
    }

    .gkb-button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}