:root {
    color-scheme: dark;
    --bg: #05080b;
    --panel: rgba(12, 18, 22, 0.84);
    --panel-strong: #0d1419;
    --line: rgba(128, 167, 176, 0.2);
    --line-hot: rgba(255, 75, 59, 0.48);
    --text: #e8f0f1;
    --muted: #788b90;
    --cyan: #7fe8ef;
    --red: #ff4b3b;
    --green: #64f2a2;
    --mono: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", Consolas, monospace;
    --display: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--bg);
}

body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--text);
    font-family: var(--display);
    background:
        radial-gradient(circle at 76% 18%, rgba(32, 160, 168, 0.09), transparent 30rem),
        radial-gradient(circle at 14% 68%, rgba(255, 75, 59, 0.06), transparent 28rem),
        linear-gradient(rgba(87, 143, 151, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(87, 143, 151, 0.035) 1px, transparent 1px),
        var(--bg);
    background-size: auto, auto, 48px 48px, 48px 48px, auto;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    content: "";
    background: linear-gradient(120deg, transparent 0 47%, rgba(127, 232, 239, 0.025) 47% 47.1%, transparent 47.1%);
}

.noise,
.scanline {
    position: fixed;
    inset: 0;
    z-index: 20;
    pointer-events: none;
}

.noise {
    opacity: 0.28;
    background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, 0.018) 3px 4px);
}

.scanline {
    height: 12vh;
    opacity: 0.3;
    background: linear-gradient(transparent, rgba(127, 232, 239, 0.045), transparent);
    animation: scan 9s linear infinite;
}

.shell {
    width: min(1440px, calc(100% - 56px));
    margin: 0 auto;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 104px;
    border-bottom: 1px solid var(--line);
}

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

.brand-mark {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--line-hot);
    color: var(--text);
    font: 800 21px/1 var(--mono);
    clip-path: polygon(0 0, 82% 0, 100% 18%, 100% 100%, 18% 100%, 0 82%);
    background: rgba(255, 75, 59, 0.06);
}

.brand-mark span {
    color: var(--red);
}

.brand-copy {
    display: grid;
    gap: 4px;
}

.brand-copy strong {
    letter-spacing: 0.13em;
    font: 750 14px/1 var(--mono);
}

.brand-copy small,
.system-state,
.eyebrow,
.hero-meta span,
.metric p,
.metric small,
.metric-index,
.section-note,
.radar-caption,
.footer {
    color: var(--muted);
    letter-spacing: 0.12em;
    font: 600 10px/1.4 var(--mono);
}

.system-state {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    background: rgba(8, 13, 16, 0.75);
}

.state-dot,
.footer-pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #f0b84b;
    box-shadow: 0 0 12px currentColor;
}

.system-state.is-online {
    color: var(--green);
    border-color: rgba(100, 242, 162, 0.3);
}

.system-state.is-online .state-dot,
.footer-pulse {
    background: var(--green);
}

.system-state.is-offline {
    color: var(--red);
    border-color: var(--line-hot);
}

.system-state.is-offline .state-dot {
    background: var(--red);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    min-height: 610px;
    border-bottom: 1px solid var(--line);
}

.hero-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 72px 8vw 72px 0;
    border-right: 1px solid var(--line);
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 25px;
    color: var(--cyan);
}

.eyebrow span {
    display: inline-grid;
    place-items: center;
    width: 28px;
    height: 21px;
    color: var(--red);
    border: 1px solid var(--line-hot);
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 900px;
    margin-bottom: 28px;
    text-transform: uppercase;
    letter-spacing: -0.055em;
    font-size: clamp(48px, 6.2vw, 100px);
    font-weight: 780;
    line-height: 0.88;
}

h1 em {
    color: transparent;
    font-style: normal;
    -webkit-text-stroke: 1px rgba(232, 240, 241, 0.46);
}

.lead {
    max-width: 660px;
    margin-bottom: 42px;
    color: #a5b3b6;
    font-size: clamp(16px, 1.5vw, 21px);
    line-height: 1.6;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 38px;
}

.hero-meta div {
    display: grid;
    gap: 7px;
}

.hero-meta strong {
    color: var(--text);
    letter-spacing: 0.08em;
    font: 650 12px/1 var(--mono);
}

.radar {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    overflow: hidden;
    padding: 50px;
    background: linear-gradient(135deg, rgba(127, 232, 239, 0.018), transparent);
}

.radar-face {
    position: relative;
    width: min(26vw, 330px);
    aspect-ratio: 1;
    border: 1px solid rgba(127, 232, 239, 0.35);
    border-radius: 50%;
    background:
        linear-gradient(90deg, transparent 49.8%, rgba(127, 232, 239, 0.14) 50%, transparent 50.2%),
        linear-gradient(transparent 49.8%, rgba(127, 232, 239, 0.14) 50%, transparent 50.2%);
    box-shadow: inset 0 0 50px rgba(127, 232, 239, 0.035), 0 0 80px rgba(127, 232, 239, 0.045);
}

.radar-face i {
    position: absolute;
    inset: 16.6%;
    border: 1px solid rgba(127, 232, 239, 0.15);
    border-radius: 50%;
}

.radar-face i:nth-child(2) { inset: 33.3%; }
.radar-face i:nth-child(3) { inset: 49%; }

.radar-sweep {
    position: absolute;
    inset: 0 50% 50% 0;
    border-right: 1px solid var(--cyan);
    background: conic-gradient(from 270deg at 100% 100%, rgba(127, 232, 239, 0.2), transparent 25%);
    transform-origin: right bottom;
    animation: sweep 4.8s linear infinite;
}

.radar-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 9px;
    border: 2px solid var(--red);
    border-radius: 50%;
    box-shadow: 0 0 16px var(--red);
    transform: translate(-50%, -50%);
}

.radar-caption {
    display: flex;
    justify-content: space-between;
    width: min(100%, 330px);
}

.radar-caption strong {
    color: var(--cyan);
}

.telemetry,
.services {
    padding: 78px 0;
    border-bottom: 1px solid var(--line);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 36px;
}

.section-heading .eyebrow {
    margin-bottom: 16px;
}

h2 {
    margin-bottom: 0;
    text-transform: uppercase;
    letter-spacing: -0.035em;
    font-size: clamp(29px, 3vw, 47px);
    line-height: 1;
}

#clock {
    color: var(--cyan);
    letter-spacing: 0.1em;
    font: 600 11px/1 var(--mono);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.metric {
    position: relative;
    min-height: 220px;
    padding: 28px;
    background: rgba(7, 12, 15, 0.94);
}

.metric::after {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 22px;
    height: 2px;
    content: "";
    background: var(--muted);
}

.metric-primary::after {
    background: var(--red);
}

.metric-index {
    position: absolute;
    top: 20px;
    right: 22px;
}

.metric-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-bottom: 36px;
    color: var(--cyan);
    border: 1px solid var(--line);
    font: 700 12px/1 var(--mono);
}

.metric p {
    margin-bottom: 9px;
}

.metric strong {
    display: block;
    margin-bottom: 12px;
    color: var(--text);
    font: 700 clamp(20px, 2vw, 28px)/1 var(--mono);
}

.metric strong.is-good {
    color: var(--green);
}

.metric strong.is-bad {
    color: var(--red);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.service-card {
    display: grid;
    grid-template-columns: 42px 1fr auto;
    align-items: center;
    gap: 18px;
    min-height: 116px;
    padding: 22px 24px;
    border: 1px solid var(--line);
    background: linear-gradient(110deg, rgba(15, 23, 28, 0.87), rgba(7, 12, 15, 0.72));
    transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.service-card:hover {
    border-color: rgba(127, 232, 239, 0.42);
    background: rgba(15, 25, 30, 0.95);
    transform: translateY(-2px);
}

.service-card > span {
    color: var(--red);
    font: 700 11px/1 var(--mono);
}

.service-card h3 {
    margin-bottom: 7px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    font-size: 15px;
}

.service-card p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.service-card b {
    color: var(--green);
    letter-spacing: 0.1em;
    font: 600 9px/1 var(--mono);
}

.footer {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 112px;
}

.footer div {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.footer p {
    margin: 0;
}

.footer > span {
    justify-self: end;
    color: var(--green);
}

a:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 5px;
}

@keyframes scan {
    from { transform: translateY(-12vh); }
    to { transform: translateY(100vh); }
}

@keyframes sweep {
    to { transform: rotate(360deg); }
}

@media (max-width: 900px) {
    .shell { width: min(100% - 32px, 720px); }
    .hero { grid-template-columns: 1fr; }
    .hero-copy { border-right: 0; }
    .radar { display: none; }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: 1fr; }
    .footer { grid-template-columns: 1fr auto; }
    .footer p { display: none; }
}

@media (max-width: 560px) {
    .shell { width: calc(100% - 24px); }
    .topbar { min-height: 82px; }
    .brand-copy small { display: none; }
    .system-state { padding: 9px; font-size: 8px; }
    .hero { min-height: auto; }
    .hero-copy { padding: 66px 0 54px; }
    h1 {
        overflow-wrap: anywhere;
        font-size: clamp(40px, 14vw, 58px);
    }
    h1 em { font-size: 0.82em; }
    .lead { overflow-wrap: anywhere; font-size: 15px; }
    .hero-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .telemetry, .services { padding: 58px 0; }
    .section-heading { align-items: start; flex-direction: column; }
    .metric-grid { grid-template-columns: 1fr; }
    .metric { min-height: 180px; }
    .metric-icon { margin-bottom: 25px; }
    .service-card { grid-template-columns: 32px 1fr; padding: 19px 16px; }
    .service-card b { display: none; }
    .section-note { display: none; }
    .footer { min-height: 92px; font-size: 8px; }
}

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