:root {
    --bg: #111214;
    --bg-elev: rgba(255, 255, 255, 0.035);
    --line: rgba(255, 255, 255, 0.1);
    --text: #f4f4f2;
    --muted: #9a9b98;
    --cyan: #6ec1e4;
    --green: #61ce70;
    --amber: #e8c07a;
    --silver: #d7d8d4;
    --radius: 1.15rem;
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

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

html {
    scroll-behavior: smooth;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--bg);
    font-family: "Segoe UI", "Helvetica Neue", ui-sans-serif, system-ui, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    z-index: 10;
    padding: 0.6rem 0.9rem;
    background: #fff;
    color: #111;
    border-radius: 0.4rem;
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus {
    top: 1rem;
}

.stage {
    position: relative;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 3.5rem;
    min-height: 100vh;
    min-height: 100dvh;
    padding: 4.5rem 1.5rem 1.75rem;
    overflow: hidden;
}

.glow {
    position: absolute;
    width: 34rem;
    height: 34rem;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    opacity: 0.22;
}

.glow--cyan {
    top: -12rem;
    left: -10rem;
    background: var(--cyan);
}

.glow--green {
    right: -12rem;
    bottom: -14rem;
    background: var(--green);
}

.grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(ellipse at center, #000 28%, transparent 78%);
    pointer-events: none;
}

.masthead,
.products,
.foot {
    position: relative;
    z-index: 1;
}

.masthead {
    text-align: center;
}

.brand {
    margin: 0;
}

.brand__name {
    display: block;
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    font-weight: 500;
    letter-spacing: 0.52em;
    line-height: 1;
    text-indent: 0.52em;
}

.brand__rule {
    display: block;
    width: min(18rem, 58vw);
    height: 2px;
    margin: 0.95rem auto 1rem;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.95) 48%,
        rgba(255, 255, 255, 0.95) 52%,
        transparent 100%
    );
    clip-path: polygon(0 50%, 8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%);
}

.brand__tag {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    text-indent: 0.28em;
}

.products {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    width: min(1120px, 100%);
    margin: 0 auto;
    align-content: center;
}

.card {
    display: grid;
    gap: 0.7rem;
    min-height: 214px;
    padding: 1.35rem 1.25rem 1.2rem;
    background: var(--bg-elev);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.card:hover,
.card:focus-visible {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.055);
}

.card:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

.card--silver:hover,
.card--silver:focus-visible {
    border-color: rgba(215, 216, 212, 0.55);
}

.card--cyan:hover,
.card--cyan:focus-visible {
    border-color: rgba(110, 193, 228, 0.7);
}

.card--green:hover,
.card--green:focus-visible {
    border-color: rgba(97, 206, 112, 0.7);
}

.card--amber:hover,
.card--amber:focus-visible {
    border-color: rgba(232, 192, 122, 0.7);
}

.card__logo {
    display: flex;
    align-items: center;
    height: 3.4rem;
    max-width: 100%;
}

.card__logo img {
    width: auto;
    height: 3.4rem;
    max-width: 100%;
    object-fit: contain;
    object-position: left center;
    mix-blend-mode: screen;
}

.card__name {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.card__blurb {
    color: var(--muted);
    font-size: 0.92rem;
}

.card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: auto;
    color: var(--text);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.card__cta svg {
    width: 1rem;
    height: 1rem;
    transition: transform 180ms ease;
}

.card:hover .card__cta svg,
.card:focus-visible .card__cta svg {
    transform: translateX(3px);
}

.foot {
    text-align: center;
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
}

.foot p {
    margin: 0;
}

@media (max-width: 1024px) {
    .products {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .stage {
        gap: 2.4rem;
        padding: 3rem 1rem 1.4rem;
    }

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

    .brand__name {
        letter-spacing: 0.34em;
        text-indent: 0.34em;
    }
}

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

    .card,
    .card__cta svg {
        transition: none;
    }

    .card:hover,
    .card:focus-visible {
        transform: none;
    }
}