:root {
    color-scheme: dark;
    --background: #05080d;
    --surface: rgba(11, 18, 28, 0.72);
    --line: rgba(68, 153, 202, 0.13);
    --line-strong: rgba(84, 181, 232, 0.28);
    --blue: #10a9ea;
    --blue-deep: #0877b4;
    --silver: #e8ebee;
    --muted: #8f9ba8;
    --border: rgba(164, 211, 237, 0.15);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--background);
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--silver);
    background:
        radial-gradient(circle at 50% 44%, rgba(10, 105, 158, 0.16), transparent 28rem),
        linear-gradient(
            to bottom,
            #101821 0%,
            #0b121b 24%,
            #080e16 50%,
            #060b11 73%,
            #04070b 100%
        );
}

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

.site-shell {
    position: relative;
    isolation: isolate;
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
}

.site-shell::before {
    position: fixed;
    z-index: -2;
    inset: 0;
    content: "";
    pointer-events: none;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 85% 80% at 50% 48%, #000 38%, transparent 100%);
}

.site-shell::after {
    position: fixed;
    z-index: -1;
    inset: 0;
    content: "";
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent 0%, rgba(20, 149, 213, 0.035) 50%, transparent 100%),
        radial-gradient(circle at 50% 43%, transparent 0 13rem, rgba(30, 157, 220, 0.025) 22rem, transparent 36rem);
}

.site-header,
footer {
    width: min(100% - 48px, 1240px);
    margin-inline: auto;
}

.site-header {
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.brand img {
    width: 36px;
    height: 24px;
    object-fit: contain;
    object-position: left center;
}

nav {
    display: flex;
    gap: clamp(22px, 4vw, 42px);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

nav a {
    position: relative;
    padding: 10px 0;
    transition: color 180ms ease;
}

nav a::after {
    position: absolute;
    right: 0;
    bottom: 3px;
    left: 0;
    height: 1px;
    content: "";
    background: var(--blue);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 180ms ease;
}

nav a:hover,
nav a:focus-visible {
    color: #eaf8ff;
}

nav a:hover::after,
nav a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
}

main {
    display: grid;
}

.hero {
    width: min(100% - 48px, 1240px);
    min-height: calc(100vh - 154px);
    margin-inline: auto;
    display: grid;
    grid-template-rows: 1fr auto;
}

.hero-content {
    align-self: center;
    justify-self: center;
    width: min(100%, 980px);
    padding: clamp(72px, 10vh, 132px) 0 84px;
    text-align: center;
}

.eyebrow {
    margin: 0 0 24px;
    color: #84caeb;
    font-size: clamp(0.66rem, 1.4vw, 0.76rem);
    font-weight: 720;
    letter-spacing: 0.32em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
}

.hero-wordmark {
    display: block;
    width: min(88vw, 714px);
    height: auto;
    margin-inline: auto;
    filter: drop-shadow(0 24px 54px rgba(0, 0, 0, 0.35));
}

.intro {
    margin: clamp(30px, 5vw, 46px) auto 0;
    color: #a7b2bd;
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 420;
    line-height: 1.7;
    letter-spacing: 0.012em;
}

.hero-actions {
    margin-top: 34px;
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.button {
    min-height: 48px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: 0.78rem;
    font-weight: 720;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    color: #effaff;
    border-color: rgba(53, 179, 239, 0.48);
    background: linear-gradient(135deg, rgba(12, 137, 196, 0.95), rgba(7, 94, 146, 0.95));
    box-shadow: 0 12px 38px rgba(5, 99, 150, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible {
    border-color: #5ac7fa;
    background: linear-gradient(135deg, #129edc, #0878b7);
}

.button-secondary {
    color: #bac4cd;
    background: rgba(9, 15, 23, 0.68);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    color: #edf7fc;
    border-color: rgba(142, 208, 240, 0.34);
    background: rgba(15, 25, 36, 0.86);
}

.capabilities {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(90deg, transparent, var(--surface) 15%, var(--surface) 85%, transparent);
}

.capabilities > div {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: #aeb9c3;
    font-size: 0.76rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.capabilities > div + div {
    border-left: 1px solid var(--border);
}

.capability-index {
    color: #178dc5;
    font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    font-size: 0.66rem;
}

footer {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    color: #65717d;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

:focus-visible {
    outline: 2px solid #5ac7fa;
    outline-offset: 4px;
}

@media (max-width: 680px) {
    .site-header,
    .hero,
    footer {
        width: min(100% - 32px, 1240px);
    }

    .site-header {
        height: 70px;
    }

    .brand span {
        display: none;
    }

    nav {
        gap: 22px;
        font-size: 0.7rem;
    }

    .hero {
        min-height: calc(100vh - 136px);
    }

    .hero-content {
        padding: 72px 0 64px;
    }

    .intro br {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
        margin-inline: auto;
    }

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

    .capabilities > div {
        min-height: 54px;
    }

    .capabilities > div + div {
        border-top: 1px solid var(--border);
        border-left: 0;
    }

    footer {
        min-height: 66px;
        justify-content: center;
    }

}

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