@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: dark;
  --bg: #0b1016;
  --bg-raised: #101820;
  --surface: rgba(17, 26, 35, 0.88);
  --surface-strong: #111b24;
  --surface-soft: #131f28;
  --line: rgba(190, 216, 222, 0.12);
  --line-strong: rgba(190, 216, 222, 0.2);
  --text: #f2f6f6;
  --muted: #8d9da3;
  --muted-soft: #63757d;
  --mint: #a8f0d4;
  --aqua: #69dbce;
  --lime: #c4f278;
  --blue: #87b4ff;
  --amber: #ffd37a;
  --danger: #ff9c8e;
  --display: 'Manrope', 'Avenir Next', Avenir, sans-serif;
  --mono: 'DM Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius-lg: 24px;
  --radius-md: 16px;
  --content: 1216px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--display);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
button, a { font: inherit; }
a { color: inherit; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--lime); outline-offset: 4px; }
::selection { color: #09120f; background: var(--lime); }

.page-glow { position: absolute; z-index: -1; pointer-events: none; filter: blur(1px); }
.page-glow--one { width: 640px; height: 460px; top: -220px; left: calc(50% - 320px); background: radial-gradient(ellipse, rgba(54, 116, 113, .2), transparent 68%); }
.page-glow--two { width: 460px; height: 600px; top: 350px; right: -240px; background: radial-gradient(ellipse, rgba(98, 138, 83, .1), transparent 70%); }
.site-shell { width: min(var(--content), calc(100% - 72px)); margin: 0 auto; }

.topbar { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-bottom: 1px solid rgba(207, 229, 230, .08); }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand { min-width: 205px; }
.brand-mark { width: 38px; height: 38px; }
.brand-name { font-size: 19px; font-weight: 800; letter-spacing: -.8px; }
.brand-name span { color: #a7bac0; font-weight: 500; }
.top-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; margin-right: 23px; }
.nav-link { color: #91a0a5; text-decoration: none; font-size: 12px; font-weight: 600; transition: color .2s ease; }
.nav-link:hover, .nav-link--active { color: var(--text); }
.nav-link--active { position: relative; }
.nav-link--active::after { content: ''; position: absolute; height: 2px; bottom: -13px; left: 0; right: 0; border-radius: 2px; background: var(--lime); }
.top-note { display: inline-flex; align-items: center; gap: 9px; color: #a1afb2; font-size: 11px; white-space: nowrap; }
.top-note-dot, .status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px rgba(196, 242, 120, .58); }

.hero { display: grid; grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr); align-items: center; gap: 68px; padding: 87px 0 92px; }
.hero-copy { padding: 2px 0 0; }
.eyebrow { display: flex; align-items: center; gap: 11px; color: #9fb3b0; font: 500 10px/1.2 var(--mono); letter-spacing: 1.85px; }
.eyebrow-line { width: 24px; height: 1px; background: var(--lime); box-shadow: 0 0 10px rgba(196, 242, 120, .4); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 24px 0 22px; font-size: clamp(44px, 5.1vw, 69px); line-height: 1.06; letter-spacing: -4.1px; font-weight: 600; }
h1 span, .section-heading h2 span, .guide-intro h2 span { color: var(--lime); }
.hero-description { max-width: 440px; margin: 0; color: #9eacb0; font-size: 15px; line-height: 1.8; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 23px; margin-top: 36px; }
.hero-fact { display: flex; align-items: center; gap: 9px; min-width: 108px; }
.fact-icon, .result-icon { width: 31px; height: 31px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 10px; background: rgba(145, 194, 179, .08); color: var(--mint); }
.fact-icon svg, .result-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
.fact-icon--down, .result-icon--down { color: var(--lime); background: rgba(196, 242, 120, .08); }
.fact-icon--up, .result-icon--up { color: var(--blue); background: rgba(135, 180, 255, .08); }
.hero-fact strong, .hero-fact small { display: block; }
.hero-fact strong { font-size: 11px; font-weight: 700; }
.hero-fact small { color: var(--muted); font-size: 10px; margin-top: 1px; }
.privacy-note { display: flex; align-items: center; gap: 9px; margin-top: 45px; color: #788a90; font-size: 10px; }
.privacy-lock { width: 22px; height: 22px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: #a5c7bc; }
.privacy-lock svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }

.test-card { position: relative; overflow: hidden; padding: 28px 29px 23px; border: 1px solid rgba(186, 219, 210, .17); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(22, 34, 42, .96), rgba(15, 23, 30, .97)); box-shadow: 0 30px 75px rgba(0, 0, 0, .23), inset 0 1px rgba(255,255,255,.035); }
.test-card::before { content: ''; position: absolute; top: -150px; right: -90px; width: 330px; height: 280px; pointer-events: none; background: radial-gradient(ellipse, rgba(104, 202, 176, .11), transparent 68%); }
.test-card-top { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.card-kicker { color: #809398; font: 500 9px/1.2 var(--mono); letter-spacing: 1.6px; }
.card-kicker-slash { color: var(--lime); margin: 0 4px; }
.test-card h2 { margin: 7px 0 0; font-size: 18px; font-weight: 600; letter-spacing: -.45px; }
.test-status { display: flex; align-items: center; gap: 8px; margin-top: 8px; color: #93a4a8; font-size: 10px; white-space: nowrap; }
.test-status .status-dot { width: 6px; height: 6px; }
.test-card.is-running .status-dot { animation: blink 1.2s infinite; }
.test-card.is-complete .status-dot { background: var(--aqua); box-shadow: 0 0 12px rgba(105, 219, 206, .5); }
.test-card.has-error .status-dot { background: var(--amber); box-shadow: 0 0 10px rgba(255, 211, 122, .45); }
.instrument-row { position: relative; display: grid; grid-template-columns: 190px 1fr; gap: 29px; align-items: center; min-height: 249px; padding: 18px 1px 17px; }
.meter-column { display: flex; flex-direction: column; align-items: center; }
.meter { position: relative; width: 171px; height: 171px; display: grid; place-items: center; }
.meter::before { content: ''; position: absolute; inset: 17px; border: 1px solid rgba(181, 215, 202, .08); border-radius: 50%; }
.meter-svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); overflow: visible; }
.meter-track, .meter-ring { fill: none; stroke-width: 3.5; }
.meter-track { stroke: rgba(179, 207, 204, .12); }
.meter-ring { stroke: var(--lime); stroke-linecap: round; stroke-dasharray: 301.6; stroke-dashoffset: 275; transition: stroke-dashoffset .55s cubic-bezier(.2,.75,.3,1), stroke .3s ease; filter: drop-shadow(0 0 5px rgba(196,242,120,.5)); }
.meter.is-ping .meter-ring { stroke: var(--aqua); }
.meter.is-upload .meter-ring { stroke: var(--blue); }
.meter-center { display: flex; flex-direction: column; align-items: center; justify-content: center; max-width: 120px; transform: translateY(-2px); }
.meter-value { color: var(--text); font: 400 43px/.98 var(--mono); letter-spacing: -3px; font-variant-numeric: tabular-nums; }
.meter-unit { margin-top: 8px; color: #93a5a7; font: 400 10px/1 var(--mono); letter-spacing: .6px; }
.meter-caption { margin-top: 1px; color: #72858a; font-size: 10px; }
.test-stage { min-width: 0; align-self: center; }
.stage-overline { color: #9cb7a7; font: 500 9px/1.2 var(--mono); letter-spacing: 1.45px; }
.stage-title { margin: 9px 0 6px; font-size: 15px; line-height: 1.35; font-weight: 600; letter-spacing: -.25px; }
.stage-copy { max-width: 255px; min-height: 39px; margin: 0; color: #89999d; font-size: 10px; line-height: 1.7; }
.stage-list { list-style: none; padding: 0; margin: 17px 0 0; display: grid; grid-template-columns: 1fr; gap: 8px; }
.stage-list li { display: flex; align-items: center; gap: 9px; color: #718187; font: 400 10px/1.3 var(--mono); transition: color .2s ease; }
.step-marker { color: #53656d; font-size: 9px; }
.step-state { position: relative; margin-left: auto; width: 13px; height: 13px; border: 1px solid rgba(156, 181, 181, .24); border-radius: 50%; }
.stage-list li.is-active { color: #e4eeee; }
.stage-list li.is-active .step-marker { color: var(--lime); }
.stage-list li.is-active .step-state { border-color: rgba(196, 242, 120, .65); box-shadow: 0 0 10px rgba(196,242,120,.15); }
.stage-list li.is-active .step-state::after { content: ''; position: absolute; inset: 3px; border-radius: 50%; background: var(--lime); }
.stage-list li.is-complete { color: #a8c8bd; }
.stage-list li.is-complete .step-marker { color: var(--aqua); }
.stage-list li.is-complete .step-state { border-color: var(--aqua); background: rgba(105,219,206,.14); }
.stage-list li.is-complete .step-state::after { content: '✓'; position: absolute; inset: -1px 0 0; display: grid; place-items: center; color: var(--aqua); font: 500 9px/1 var(--display); }
.test-progress { position: relative; height: 2px; overflow: hidden; background: rgba(178, 208, 201, .1); }
.test-progress-fill { width: 0; height: 100%; background: linear-gradient(90deg, var(--aqua), var(--lime)); box-shadow: 0 0 10px rgba(196,242,120,.35); transition: width .35s ease; }
.test-footer { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding-top: 19px; }
.test-footnote { display: flex; align-items: center; gap: 8px; color: #728389; font-size: 9px; }
.footnote-pulse { width: 5px; height: 5px; border-radius: 50%; background: #799890; }
.run-button { min-width: 167px; min-height: 43px; display: inline-flex; justify-content: center; align-items: center; gap: 19px; padding: 0 17px; border: 0; border-radius: 10px; background: var(--lime); color: #111a18; font-size: 11px; font-weight: 800; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.run-button:hover:not(:disabled) { transform: translateY(-2px); background: #d0f99a; box-shadow: 0 8px 24px rgba(176, 231, 117, .15); }
.run-button:active:not(:disabled) { transform: translateY(0); }
.run-button:disabled { cursor: wait; opacity: .84; }
.button-arrow { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s ease; }
.run-button:hover .button-arrow { transform: translateX(3px); }

.results-section { padding: 31px 0 92px; border-top: 1px solid rgba(207, 229, 230, .08); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 25px; }
.eyebrow--small { font-size: 9px; letter-spacing: 1.55px; }
.eyebrow--small .eyebrow-line { width: 19px; }
.section-heading h2 { margin: 11px 0 0; font-size: clamp(24px, 2.6vw, 33px); line-height: 1.2; font-weight: 600; letter-spacing: -1.55px; }
.results-context { max-width: 250px; margin: 0 3px 3px 0; color: #73858a; font-size: 10px; line-height: 1.65; text-align: right; }
.result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.result-card { position: relative; min-height: 205px; padding: 19px 20px 17px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: linear-gradient(140deg, rgba(17,26,35,.83), rgba(15,22,29,.92)); }
.result-card::after { content: ''; position: absolute; right: -42px; bottom: -70px; width: 140px; height: 110px; border-radius: 50%; background: radial-gradient(ellipse, rgba(105,219,206,.08), transparent 72%); pointer-events: none; }
.result-card--download::after { background: radial-gradient(ellipse, rgba(196,242,120,.08), transparent 72%); }
.result-card--upload::after { background: radial-gradient(ellipse, rgba(135,180,255,.08), transparent 72%); }
.result-card-head { display: flex; align-items: center; gap: 9px; }
.result-icon { width: 29px; height: 29px; border-radius: 9px; }
.result-label { color: #9aabad; font: 500 9px/1 var(--mono); letter-spacing: 1px; }
.result-badge { margin-left: auto; color: #6f8587; font: 400 9px/1 var(--mono); }
.result-card.is-good .result-badge { color: var(--lime); }
.result-card.is-fair .result-badge { color: var(--amber); }
.result-card.is-low .result-badge { color: var(--danger); }
.result-reading { display: flex; align-items: baseline; gap: 7px; margin: 15px 0 4px; }
.result-number { color: #edf4f1; font: 400 35px/1.1 var(--mono); letter-spacing: -2.3px; font-variant-numeric: tabular-nums; }
.result-unit { color: #819195; font: 400 10px/1 var(--mono); }
.result-description { min-height: 30px; max-width: 300px; margin: 0; color: #869599; font-size: 10px; line-height: 1.55; }
.result-baseline { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 16px; color: #687a80; font-size: 9px; }
.baseline-track { width: 64px; height: 3px; flex: 0 0 auto; overflow: hidden; border-radius: 5px; background: rgba(180, 206, 204, .1); }
.baseline-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--aqua); transition: width .65s ease; }
.result-card--download .baseline-track span { background: var(--lime); }
.result-card--upload .baseline-track span { background: var(--blue); }

.guide-section { display: grid; grid-template-columns: minmax(250px, .76fr) minmax(0, 1.24fr); align-items: start; gap: 87px; padding: 48px 0 86px; border-top: 1px solid rgba(207, 229, 230, .08); }
.guide-intro h2 { margin: 16px 0 15px; font-size: clamp(31px, 3.4vw, 44px); line-height: 1.13; font-weight: 600; letter-spacing: -2.3px; }
.guide-intro > p { max-width: 330px; margin: 0; color: #89999e; font-size: 12px; line-height: 1.8; }
.guide-footnote { display: flex; gap: 9px; align-items: flex-start; max-width: 330px; margin-top: 29px; color: #66787e; font-size: 9px; line-height: 1.65; }
.guide-footnote-icon { width: 15px; height: 15px; flex: 0 0 auto; display: grid; place-items: center; margin-top: 1px; border: 1px solid rgba(174,204,196,.27); border-radius: 50%; color: #a1b6af; font: 500 9px/1 var(--mono); }
.activity-list { border-top: 1px solid var(--line); }
.activity-row { display: grid; grid-template-columns: 28px 39px minmax(130px, 1fr) minmax(90px, auto) minmax(122px, auto); align-items: center; gap: 13px; min-height: 78px; border-bottom: 1px solid var(--line); transition: background .2s ease; }
.activity-row:hover { background: rgba(187, 221, 206, .025); }
.activity-index { color: #5f7278; font: 400 9px/1 var(--mono); }
.activity-icon { width: 33px; height: 33px; display: grid; place-items: center; border-radius: 11px; background: rgba(166, 220, 200, .07); color: #a8d9c8; }
.activity-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
.activity-copy strong, .activity-copy small { display: block; }
.activity-copy strong { font-size: 11px; font-weight: 700; }
.activity-copy small { margin-top: 3px; color: #74868b; font-size: 9px; }
.activity-threshold { color: #819495; font: 400 9px/1.2 var(--mono); white-space: nowrap; }
.activity-result { justify-self: end; padding: 6px 9px; border: 1px solid rgba(158, 188, 180, .14); border-radius: 99px; color: #73868a; font-size: 9px; white-space: nowrap; }
.activity-result.is-good { color: var(--lime); border-color: rgba(196,242,120,.22); background: rgba(196,242,120,.05); }
.activity-result.is-fair { color: var(--amber); border-color: rgba(255,211,122,.2); background: rgba(255,211,122,.04); }
.activity-result.is-low { color: var(--danger); border-color: rgba(255,156,142,.2); background: rgba(255,156,142,.04); }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 0 24px; border-top: 1px solid rgba(207,229,230,.08); }
.footer-brand { gap: 7px; color: #b3c2c2; font-size: 11px; font-weight: 700; }
.footer-brand img { width: 25px; height: 25px; }
.footer-note { color: #62747a; font-size: 9px; }
.back-to-top { color: #98aaa9; font-size: 9px; text-decoration: none; }
.back-to-top span { margin-left: 5px; color: var(--lime); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 1100px) {
  .site-shell { width: min(var(--content), calc(100% - 56px)); }
  .hero { grid-template-columns: minmax(0, .85fr) minmax(450px, 1.15fr); gap: 38px; padding: 70px 0 76px; }
  h1 { letter-spacing: -3.2px; }
  .hero-facts { gap: 15px; }
  .guide-section { gap: 48px; }
  .activity-row { grid-template-columns: 23px 34px minmax(118px,1fr) minmax(86px,auto) minmax(113px,auto); gap: 10px; }
}
@media (max-width: 850px) {
  .site-shell { width: min(700px, calc(100% - 44px)); }
  .topbar { min-height: 78px; }
  .brand { min-width: unset; }
  .top-nav { gap: 20px; margin-right: 0; }
  .top-nav .nav-link { font-size: 11px; }
  .top-note { display: none; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding: 66px 0 70px; }
  .hero-copy { max-width: 590px; }
  h1 br { display: none; }
  h1 { margin: 17px 0 16px; font-size: clamp(43px, 8vw, 64px); }
  .hero-description { max-width: 510px; }
  .hero-facts { margin-top: 26px; }
  .privacy-note { margin-top: 24px; }
  .test-card { max-width: 640px; width: 100%; justify-self: center; }
  .results-section { padding-bottom: 70px; }
  .guide-section { grid-template-columns: 1fr; gap: 28px; padding: 40px 0 64px; }
  .guide-intro h2 br { display: none; }
  .guide-intro > p, .guide-footnote { max-width: 470px; }
}
@media (max-width: 600px) {
  .site-shell { width: calc(100% - 36px); }
  .topbar { min-height: 70px; }
  .brand-mark { width: 33px; height: 33px; }
  .brand-name { font-size: 17px; }
  .top-nav { gap: 14px; }
  .top-nav .nav-link { font-size: 10px; }
  .top-nav .nav-link:nth-child(2) { display: none; }
  .nav-link--active::after { bottom: -11px; }
  .hero { gap: 31px; padding: 47px 0 57px; }
  .eyebrow { font-size: 9px; letter-spacing: 1.4px; }
  h1 { font-size: clamp(39px, 11vw, 56px); letter-spacing: -2.8px; }
  .hero-description { font-size: 13px; line-height: 1.75; }
  .hero-facts { gap: 14px 20px; margin-top: 24px; }
  .hero-fact { min-width: 104px; }
  .privacy-note { align-items: flex-start; font-size: 9px; }
  .privacy-lock { flex: 0 0 auto; }
  .test-card { padding: 22px 19px 19px; border-radius: 20px; }
  .test-card-top { align-items: center; gap: 8px; padding-bottom: 17px; }
  .test-card h2 { font-size: 16px; }
  .test-status { gap: 6px; font-size: 9px; }
  .instrument-row { grid-template-columns: 142px 1fr; gap: 15px; min-height: 220px; padding: 16px 0; }
  .meter { width: 139px; height: 139px; }
  .meter::before { inset: 14px; }
  .meter-value { font-size: 35px; }
  .meter-caption { font-size: 9px; }
  .stage-title { font-size: 13px; }
  .stage-copy { min-height: 48px; font-size: 9px; }
  .stage-list { gap: 7px; margin-top: 13px; }
  .stage-list li { font-size: 9px; }
  .test-footer { align-items: stretch; flex-direction: column; gap: 13px; padding-top: 16px; }
  .test-footnote { order: 2; }
  .run-button { width: 100%; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 8px; margin-bottom: 19px; }
  .section-heading h2 { font-size: 26px; letter-spacing: -1.2px; }
  .results-context { max-width: 100%; margin: 0; text-align: left; }
  .result-grid { grid-template-columns: 1fr; gap: 10px; }
  .result-card { min-height: 0; padding: 16px 17px 15px; }
  .result-reading { margin-top: 11px; }
  .result-number { font-size: 32px; }
  .result-description { min-height: 0; }
  .result-baseline { margin-top: 12px; }
  .results-section { padding: 28px 0 57px; }
  .guide-intro h2 { font-size: 35px; }
  .activity-row { grid-template-columns: 20px 32px minmax(0,1fr) auto; gap: 9px; min-height: 73px; }
  .activity-threshold { display: none; }
  .activity-result { max-width: 125px; padding: 5px 7px; font-size: 8px; }
  .activity-copy strong { font-size: 10px; }
  .activity-copy small { max-width: 145px; font-size: 8px; }
  .activity-index { font-size: 8px; }
  .footer { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding-top: 15px; }
  .footer-note { grid-column: 1; grid-row: 2; }
  .back-to-top { grid-column: 2; grid-row: 1 / span 2; }
}
@media (max-width: 380px) {
  .site-shell { width: calc(100% - 28px); }
  .top-nav { gap: 10px; }
  .top-nav .nav-link { font-size: 9px; }
  .test-card { padding: 18px 14px 16px; }
  .instrument-row { grid-template-columns: 125px 1fr; gap: 12px; }
  .meter { width: 123px; height: 123px; }
  .meter-value { font-size: 31px; }
  .stage-copy { font-size: 8px; }
  .activity-row { grid-template-columns: 17px 29px minmax(0,1fr) auto; gap: 7px; }
  .activity-icon { width: 29px; height: 29px; }
  .activity-copy strong { font-size: 9px; }
  .activity-result { max-width: 112px; white-space: normal; text-align: center; }
}