:root {
  color-scheme: light;
  --bg: #f6f8fc;
  --surface: rgba(255,255,255,.86);
  --surface-solid: #fff;
  --surface-2: #edf2fa;
  --text: #132039;
  --muted: #65738c;
  --line: rgba(70,91,130,.18);
  --primary: #1769ff;
  --primary-2: #4c8cff;
  --success: #0f9f6e;
  --warning: #c47b00;
  --danger: #db3f54;
  --shadow: 0 18px 55px rgba(29,47,82,.12);
  --radius: 24px;
  --radius-sm: 15px;
  --container: 1200px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #080d18;
  --surface: rgba(17,26,43,.84);
  --surface-solid: #111a2b;
  --surface-2: #182338;
  --text: #edf3ff;
  --muted: #9ba9c1;
  --line: rgba(181,201,236,.14);
  --primary: #5b91ff;
  --primary-2: #7da7ff;
  --success: #38c793;
  --warning: #ffb84a;
  --danger: #ff6b7d;
  --shadow: 0 22px 65px rgba(0,0,0,.34);
}

@media (prefers-color-scheme: dark) {
  [data-theme="system"] {
    color-scheme: dark;
    --bg: #080d18; --surface: rgba(17,26,43,.84); --surface-solid: #111a2b; --surface-2: #182338;
    --text: #edf3ff; --muted: #9ba9c1; --line: rgba(181,201,236,.14); --primary: #5b91ff;
    --primary-2: #7da7ff; --success: #38c793; --warning: #ffb84a; --danger: #ff6b7d; --shadow: 0 22px 65px rgba(0,0,0,.34);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; min-height: 100vh; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1; background: radial-gradient(circle at 12% 7%, rgba(49,116,255,.13), transparent 31%), radial-gradient(circle at 88% 18%, rgba(76,207,219,.1), transparent 28%); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button,input,textarea,select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1,h2,h3,p { margin-top: 0; }
h1 { font-size: clamp(2.45rem, 6vw, 5.3rem); line-height: .98; letter-spacing: -.055em; margin-bottom: 1.4rem; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3.15rem); line-height: 1.08; letter-spacing: -.04em; }
h3 { font-size: 1.16rem; line-height: 1.25; }
code { background: var(--surface-2); border-radius: 7px; padding: .15rem .38rem; }
.container { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 32px), 820px); }
.section { padding: clamp(4rem, 8vw, 7.5rem) 0; }
.section-soft { background: color-mix(in srgb, var(--surface-2) 70%, transparent); border-block: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 2.2rem; }
.section-heading h2 { margin-bottom: 0; }
.eyebrow { color: var(--primary); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; margin-bottom: .65rem; }
.muted { color: var(--muted); }
.large-copy { color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.35rem); }
.gradient-text { background: linear-gradient(110deg, var(--primary), #46cad9); color: transparent; background-clip: text; -webkit-background-clip: text; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 1000; background: var(--text); color: var(--bg); padding: .7rem 1rem; border-radius: 10px; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 65%, white); outline-offset: 3px; }

.site-header { position: sticky; top: 0; z-index: 50; height: 74px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 75%, transparent); backdrop-filter: blur(18px); }
.nav-wrap { height: 100%; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 850; letter-spacing: -.03em; white-space: nowrap; }
.brand-mark { width: 34px; height: 34px; fill: var(--primary); }
.main-nav { display: flex; gap: 1.35rem; margin-left: auto; }
.main-nav a { color: var(--muted); font-size: .94rem; font-weight: 650; }
.main-nav a:hover { color: var(--text); }
.nav-actions { display: flex; gap: .6rem; align-items: center; }
.nav-toggle { display: none; margin-left: auto; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); display: inline-grid; place-items: center; }
.icon-button:hover { border-color: var(--primary); transform: translateY(-1px); }

.button { min-height: 48px; padding: .7rem 1.15rem; border: 1px solid transparent; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; font-weight: 780; transition: transform .18s, background .18s, border-color .18s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 10px 26px color-mix(in srgb, var(--primary) 28%, transparent); }
.button-ghost { background: var(--surface); border-color: var(--line); }
.button-small { min-height: 38px; padding: .5rem .8rem; border-radius: 11px; font-size: .88rem; }
.text-link { color: var(--primary); font-weight: 750; white-space: nowrap; }
.center { text-align: center; margin-top: 2rem; }

.connection-banner { position: fixed; top: 84px; left: 50%; transform: translateX(-50%); z-index: 45; display: flex; align-items: center; gap: .55rem; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); backdrop-filter: blur(14px); box-shadow: var(--shadow); font-size: .8rem; font-weight: 700; transition: opacity .25s; }
.status-dot { width: .64rem; height: .64rem; border-radius: 50%; background: var(--warning); box-shadow: 0 0 0 5px color-mix(in srgb, var(--warning) 15%, transparent); flex: 0 0 auto; }
.connection-banner.is-online .status-dot,.overall-status.is-online .status-dot { background: var(--success); box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 15%, transparent); }
.connection-banner.is-offline .status-dot,.overall-status.is-offline .status-dot { background: var(--danger); box-shadow: 0 0 0 5px color-mix(in srgb, var(--danger) 15%, transparent); }

.hero { min-height: calc(100vh - 74px); display: grid; align-items: center; overflow: clip; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: clamp(3rem, 7vw, 7rem); }
.hero-lead { font-size: clamp(1.18rem, 2.3vw, 1.55rem); line-height: 1.45; max-width: 720px; }
.hero-copy > .muted { font-size: 1.04rem; max-width: 700px; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin: 2rem 0; }
.live-summary { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; color: var(--muted); }
.live-summary strong { font-size: 1.6rem; color: var(--text); }
.live-summary small { width: 100%; }
.status-pill { display: inline-flex; align-items: center; gap: .4rem; padding: .35rem .65rem; background: color-mix(in srgb, var(--success) 10%, transparent); color: var(--success); border-radius: 999px; font-size: .78rem; font-weight: 800; }
.status-pill i { width: .48rem; height: .48rem; background: currentColor; border-radius: 50%; }
.hero-visual { min-height: 500px; display: grid; place-items: center; }
.radar-card { width: min(100%, 470px); aspect-ratio: 1; position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 42px; background: radial-gradient(circle, color-mix(in srgb, var(--primary) 20%, transparent), transparent 62%), var(--surface); box-shadow: var(--shadow); }
.radar-ring { position: absolute; inset: 16%; border: 1px solid color-mix(in srgb, var(--primary) 28%, transparent); border-radius: 50%; }
.ring-b { inset: 32%; }
.radar-sweep { position: absolute; inset: 8%; border-radius: 50%; background: conic-gradient(from 10deg, color-mix(in srgb, var(--primary) 45%, transparent), transparent 25%); animation: sweep 7s linear infinite; }
.camera-pin { position: absolute; color: #60dbe6; filter: drop-shadow(0 0 10px #60dbe6); }
.pin-a { left: 28%; top: 35%; }.pin-b { right: 25%; top: 23%; }.pin-c { left: 55%; bottom: 25%; }
.radar-label { position: absolute; left: 1.4rem; right: 1.4rem; bottom: 1.4rem; display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); backdrop-filter: blur(16px); }
.radar-label span { color: var(--muted); font-size: .85rem; }
@keyframes sweep { to { transform: rotate(1turn); } }

.camera-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.25rem; }
.camera-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); box-shadow: 0 10px 32px rgba(17,34,65,.06); transition: transform .22s, box-shadow .22s; }
.camera-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.camera-preview { position: relative; aspect-ratio: 16/9; display: block; overflow: hidden; background: var(--surface-2); }
.camera-preview img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.camera-card:hover img { transform: scale(1.025); }
.camera-status { display: inline-flex; align-items: center; border-radius: 999px; padding: .35rem .62rem; font-size: .74rem; font-weight: 820; background: var(--surface-solid); color: var(--muted); border: 1px solid var(--line); }
.camera-preview .camera-status { position: absolute; left: .75rem; top: .75rem; }
.status-available { color: var(--success); }.status-unavailable { color: var(--danger); }.status-unknown { color: var(--warning); }
.camera-body { padding: 1.05rem; }
.camera-meta { color: var(--primary); font-size: .76rem; font-weight: 760; text-transform: uppercase; letter-spacing: .055em; margin-bottom: .45rem; }
.camera-body h3 { margin-bottom: .35rem; }
.camera-body .muted { font-size: .84rem; }
.card-actions { display: flex; align-items: center; gap: .6rem; margin-top: 1rem; }
.card-actions .favorite-button { margin-left: auto; }
.favorite-button.is-favorite { color: #ef4770; border-color: color-mix(in srgb, #ef4770 50%, transparent); }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.feature-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.35rem; background: var(--surface); }
.feature-card > span { width: 44px; height: 44px; display: grid; place-items: center; color: var(--primary); background: color-mix(in srgb, var(--primary) 10%, transparent); border-radius: 13px; font-weight: 900; margin-bottom: 1rem; }
.feature-card p { color: var(--muted); margin-bottom: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.steps li { display: flex; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.steps li > strong { width: 42px; height: 42px; display: grid; place-items: center; flex: none; border-radius: 12px; color: white; background: var(--primary); }
.steps span { display: grid; }.steps small { color: var(--muted); }
.status-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.status-card { padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); display: flex; justify-content: space-between; gap: 1rem; }
.status-card span { color: var(--success); font-weight: 800; }
.faq { display: grid; gap: .7rem; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: 1rem 1.1rem; }
.faq summary { cursor: pointer; font-weight: 760; }
.faq p { color: var(--muted); margin: .8rem 0 0; }

.page-hero { padding: clamp(5rem, 10vw, 9rem) 0 clamp(3rem, 6vw, 5rem); border-bottom: 1px solid var(--line); }
.page-hero.compact h1 { font-size: clamp(2.6rem, 5vw, 4.6rem); }
.page-hero p { max-width: 760px; color: var(--muted); font-size: 1.1rem; }
.filter-bar { display: grid; grid-template-columns: 1.5fr repeat(3,1fr) auto; gap: .8rem; align-items: end; padding: 1rem; margin-bottom: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
label { display: grid; gap: .38rem; font-weight: 680; font-size: .88rem; }
input,select,textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-solid); padding: .75rem .85rem; min-height: 46px; }
textarea { resize: vertical; }
input:focus,select:focus,textarea:focus { border-color: var(--primary); outline: 3px solid color-mix(in srgb, var(--primary) 15%, transparent); }
.empty-state { grid-column: 1/-1; text-align: center; padding: 4rem 1rem; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
.skeleton { min-height: 170px; border-radius: var(--radius); background: linear-gradient(90deg,var(--surface-2),color-mix(in srgb,var(--surface-solid) 80%,transparent),var(--surface-2)); background-size: 200% 100%; animation: skeleton 1.5s infinite; }
@keyframes skeleton { to { background-position: -200% 0; } }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: .45rem; color: var(--muted); font-size: .88rem; margin-bottom: 1.4rem; }
.camera-layout { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(300px,.75fr); gap: 2rem; align-items: start; }
.player-shell { position: relative; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; background: #05070b; display: grid; place-items: center; }
.player-shell img { width: 100%; height: 100%; object-fit: cover; opacity: .78; }
.player-shell iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.play-button { position: absolute; width: 76px; height: 76px; display: grid; place-items: center; border: 0; border-radius: 50%; background: rgba(255,255,255,.94); color: #132039; font-size: 1.5rem; box-shadow: 0 10px 35px rgba(0,0,0,.35); }
.player-note { position: absolute; bottom: 1rem; background: rgba(5,7,11,.72); color: #fff; border-radius: 999px; padding: .4rem .7rem; font-size: .78rem; }
.camera-info { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; background: var(--surface); }
.camera-info h1 { font-size: clamp(2rem,4vw,3.4rem); margin: .9rem 0; }
.camera-info dl { display: grid; gap: .8rem; }
.camera-info dl div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); padding-bottom: .7rem; }
.camera-info dt { color: var(--muted); }.camera-info dd { text-align: right; margin: 0; font-weight: 680; }
.stack-form { display: grid; gap: 1rem; }.stack-form.card,.card { padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.form-result { min-height: 1.5em; margin: 0; color: var(--muted); }.form-result.success { color: var(--success); }.form-result.error { color: var(--danger); }
.checkbox { display: flex; grid-template-columns: auto 1fr; align-items: start; gap: .6rem; }.checkbox input { width: 18px; height: 18px; min-height: 0; margin-top: .2rem; }
.honeypot { position: absolute; left: -10000px; }

.metric-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 1rem; margin-bottom: 1.5rem; }
.metric-grid article { padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); display: grid; }
.metric-grid span { color: var(--muted); font-size: .82rem; }.metric-grid strong { font-size: 2rem; line-height: 1.2; }
.chart-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; background: var(--surface); }
.chart-header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }.chart-header h2 { font-size: 1.5rem; margin-bottom: .2rem; }.chart-header select { width: auto; }
#stats-chart { width: 100%; height: 320px; }
.prose { font-size: 1.06rem; }.prose h2 { font-size: 1.65rem; margin-top: 2.2rem; }.prose li { margin-bottom: .55rem; }.prose p,.prose li { color: var(--muted); }

.speed-card { border: 1px solid var(--line); border-radius: 32px; padding: clamp(1.2rem,4vw,2.5rem); background: var(--surface); box-shadow: var(--shadow); text-align: center; }
.speed-gauge { width: min(100%,420px); margin: 0 auto; position: relative; }.speed-gauge svg { width: 100%; overflow: visible; }.gauge-track,.gauge-progress { fill: none; stroke-width: 14; stroke-linecap: round; }.gauge-track { stroke: var(--surface-2); }.gauge-progress { stroke: var(--primary); stroke-dasharray: 283; stroke-dashoffset: 283; transition: stroke-dashoffset .3s; }
.speed-gauge > div { position: absolute; left: 0; right: 0; bottom: 0; display: grid; }.speed-gauge strong { font-size: clamp(3rem,8vw,5rem); line-height: 1; }.speed-gauge span { color: var(--muted); }
.speed-status { font-weight: 760; margin: 1.5rem 0; }
.speed-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: .8rem; }.speed-metrics article { padding: .8rem; background: var(--surface-2); border-radius: 14px; display: grid; }.speed-metrics span,.speed-metrics small { color: var(--muted); font-size: .78rem; }.speed-metrics strong { font-size: 1.6rem; }
.speed-actions { display: flex; justify-content: center; gap: .8rem; margin-top: 1.5rem; }.notice { margin-top: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }.notice p { color: var(--muted); margin-bottom: 0; }

.overall-status { display: flex; align-items: center; gap: 1rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1.2rem; margin-bottom: 1rem; }.overall-status p { margin: 0; color: var(--muted); }
.status-list { display: grid; gap: .65rem; }.component-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }.component-row p { color: var(--muted); margin: .2rem 0 0; }.component-badge { align-self: center; font-weight: 780; color: var(--success); }

.auth-section { min-height: calc(100vh - 74px); display: grid; place-items: center; padding: 4rem 1rem; }.auth-card { width: min(100%,460px); border: 1px solid var(--line); border-radius: 30px; background: var(--surface); box-shadow: var(--shadow); padding: clamp(1.3rem,4vw,2.4rem); }.auth-card.wide { width: min(100%,700px); }.auth-card .brand { margin-bottom: 2rem; }.auth-card h1 { font-size: 3.2rem; }.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }.auth-alt { text-align: center; color: var(--muted); margin: 1.4rem 0 0; }.auth-alt a { color: var(--primary); font-weight: 750; }
.source-list { display: grid; gap: .8rem; }.source-row { padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); display: grid; grid-template-columns: 1fr auto; gap: 1rem; }.source-row p { margin: 0; color: var(--muted); }
.error-page { min-height: 72vh; display: grid; place-items: center; text-align: center; padding: 3rem 1rem; }.error-page > div { max-width: 650px; }.error-code { display: block; color: var(--primary); font-size: clamp(6rem,20vw,12rem); font-weight: 900; line-height: .8; opacity: .18; }.error-page h1 { font-size: clamp(2.3rem,5vw,4rem); }.error-page p { color: var(--muted); font-size: 1.1rem; }.error-page .button { margin: .3rem; }

.support-fab { position: fixed; z-index: 60; right: max(1rem,env(safe-area-inset-right)); bottom: max(1rem,env(safe-area-inset-bottom)); border: 0; border-radius: 999px; background: var(--text); color: var(--bg); padding: .7rem 1rem; display: flex; align-items: center; gap: .55rem; font-weight: 800; box-shadow: var(--shadow); }.support-fab > span:first-child { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--primary); color: white; }
.modal-backdrop { position: fixed; inset: 0; z-index: 70; background: rgba(3,7,14,.5); backdrop-filter: blur(5px); }
.support-panel { position: fixed; z-index: 71; right: 1rem; bottom: 1rem; width: min(calc(100% - 2rem),430px); max-height: min(760px,calc(100vh - 2rem)); overflow: auto; padding: 1.1rem; border: 1px solid var(--line); border-radius: 26px; background: var(--surface-solid); box-shadow: 0 30px 100px rgba(0,0,0,.35); }.support-panel > header { display: flex; justify-content: space-between; align-items: start; gap: 1rem; margin-bottom: 1rem; }.support-panel h2 { font-size: 1.5rem; margin-bottom: .2rem; }.chat-messages { min-height: 260px; max-height: 440px; overflow: auto; display: flex; flex-direction: column; gap: .7rem; padding: .5rem; background: var(--surface-2); border-radius: var(--radius-sm); }.chat-message { max-width: 85%; padding: .65rem .8rem; border-radius: 15px; background: var(--surface-solid); align-self: flex-start; }.chat-message.user { align-self: flex-end; background: var(--primary); color: white; }.chat-message small { display: block; opacity: .68; font-size: .7rem; }.chat-compose { display: grid; grid-template-columns: 1fr auto; gap: .5rem; margin-top: .7rem; }.chat-compose textarea { min-height: 48px; }
.toast-region { position: fixed; z-index: 90; right: 1rem; top: 5.5rem; display: grid; gap: .5rem; }.toast { width: min(340px,calc(100vw - 2rem)); padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 13px; background: var(--surface-solid); box-shadow: var(--shadow); }

.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 3.5rem 0 1.5rem; }.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; }.footer-grid p { color: var(--muted); max-width: 420px; }.footer-grid nav { display: grid; align-content: start; gap: .45rem; }.footer-grid h2 { font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; }.footer-grid nav a { color: var(--muted); }.footer-grid nav a:hover { color: var(--text); }.footer-bottom { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1rem; display: flex; justify-content: space-between; color: var(--muted); font-size: .82rem; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-grid; }
  .main-nav { display: none; position: absolute; top: 73px; left: 0; right: 0; margin: 0; padding: 1rem; background: var(--surface-solid); border-bottom: 1px solid var(--line); flex-direction: column; }
  .main-nav.is-open { display: flex; }
  .nav-actions { margin-left: 0; }.nav-actions .button { display: none; }
  .hero-grid,.split,.camera-layout { grid-template-columns: 1fr; }.hero-visual { min-height: 350px; }.radar-card { max-width: 390px; }
  .camera-grid,.feature-grid { grid-template-columns: repeat(2,1fr); }
  .filter-bar { grid-template-columns: 1fr 1fr; }.filter-bar > :first-child { grid-column: 1/-1; }
  .metric-grid { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 640px) {
  .section { padding: 3.8rem 0; }.site-header { height: 66px; }.nav-wrap { gap: .65rem; }.brand { font-size: .92rem; }.brand-mark { width: 30px; }.main-nav { top: 65px; }
  .connection-banner { top: 73px; }.hero { min-height: auto; padding-top: 3rem; }.hero-grid { gap: 1rem; }.hero-visual { min-height: 290px; }.radar-card { border-radius: 26px; }.radar-label { flex-direction: column; }
  .camera-grid,.feature-grid,.status-grid,.metric-grid,.speed-metrics,.footer-grid,.form-grid { grid-template-columns: 1fr; }
  .camera-grid { gap: .85rem; }.filter-bar { grid-template-columns: 1fr; }.filter-bar > :first-child { grid-column: auto; }
  .section-heading { align-items: start; flex-direction: column; }.camera-info dl div { display: grid; }.camera-info dd { text-align: left; }
  .speed-metrics { grid-template-columns: 1fr 1fr; }.chart-header { display: grid; }.chart-header select { width: 100%; }.chat-compose { grid-template-columns: 1fr; }
  .footer-bottom { display: grid; gap: .3rem; }.support-fab > span:last-child { display: none; }.support-panel { inset: auto .5rem .5rem; width: calc(100% - 1rem); max-height: calc(100vh - 1rem); }
}

@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}