/* Argus product site. Dark by design, to match the app's screenshots. */
:root {
  color-scheme: dark;
  --bg: #080e19;
  --bg-2: #0c1524;
  --surface: #111c2e;
  --surface-2: #16233a;
  --border: #22324d;
  --text: #e6edf7;
  --text-2: #a9b6cb;
  --text-3: #7d8ba3;
  --accent: #2ee6b6;          /* the icon's heartbeat */
  --accent-2: #19b894;
  --accent-ink: #04281f;
  --accent-soft: rgba(46, 230, 182, 0.12);
  --blue: #4fb3f2;
  --warn: #f2c14f;
  --bad: #f07a7a;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --max: 1200px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.88em; background: var(--surface-2); border: 1px solid var(--border); padding: 0.08em 0.4em; border-radius: 6px; color: var(--text); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4.2rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 600px) { .wrap { padding: 0 16px; } }
.center { text-align: center; }
.muted { color: var(--text-3); }
.small { font-size: 0.85rem; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 14, 25, 0.82);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid rgba(34, 50, 77, 0.6);
}
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 1.2rem; }
.brand:hover { text-decoration: none; }
.brand img { border-radius: 8px; }
.badge {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(46, 230, 182, 0.35);
  padding: 2px 8px; border-radius: 999px;
}
.badge.big { font-size: 0.4em; vertical-align: middle; padding: 4px 12px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--text-2); padding: 8px 12px; border-radius: 8px; font-size: 0.95rem; font-weight: 500; }
.nav a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); background: var(--surface-2); }
.nav a.nav-cta { color: var(--accent-ink); background: var(--accent); margin-left: 8px; font-weight: 600; }
.nav a.nav-cta:hover { background: #5cf0ca; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 10px; cursor: pointer; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 8px 16px 16px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px; }
  .nav a.nav-cta { margin: 8px 0 0; text-align: center; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Pages (SPA) ---------- */
.js .page { display: none; }
.js .page.active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .js .page.active { animation: none; } html { scroll-behavior: auto; } }
.page { padding-bottom: 40px; }
.page-head { padding-top: 72px; padding-bottom: 32px; }
.page-head > * { max-width: 900px; }
.page-head.center > * { margin-left: auto; margin-right: auto; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 12px; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--text-2); max-width: 760px; }
.section { padding-top: 88px; }
.section-title { max-width: 760px; }
.section-lede { color: var(--text-2); font-size: 1.1rem; max-width: 760px; margin-bottom: 36px; }
.note { color: var(--text-3); font-size: 0.92rem; }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: 72px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -200px -10% auto; height: 900px; z-index: -1;
  background:
    radial-gradient(600px 300px at 70% 20%, rgba(46, 230, 182, 0.14), transparent 70%),
    radial-gradient(700px 400px at 15% 10%, rgba(79, 179, 242, 0.10), transparent 70%);
}
.hero-inner { position: relative; }
.hero h1 { max-width: 900px; }
.glow { color: var(--accent); text-shadow: 0 0 28px rgba(46, 230, 182, 0.45); }
.pulse { position: absolute; top: 120px; left: 0; width: 100%; height: 200px; z-index: -1; opacity: 0.35; }
.pulse path {
  fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(46, 230, 182, 0.8));
  stroke-dasharray: 1600; stroke-dashoffset: 1600; animation: beat 3.6s ease-in-out infinite;
}
@keyframes beat { 0% { stroke-dashoffset: 1600; opacity: 1; } 60% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: 0; opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .pulse path { animation: none; stroke-dashoffset: 0; } }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 14px; }
.cta-row.center { justify-content: center; }
.fineprint { color: var(--text-3); font-size: 0.88rem; }
.hero-shot { margin: 48px 0 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 1rem;
  border: 1px solid transparent; transition: background .15s, border-color .15s, transform .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 28px rgba(46, 230, 182, 0.25); }
.btn-primary:hover { background: #5cf0ca; }
.btn-primary[aria-disabled="true"] { background: var(--surface-2); color: var(--text-2); box-shadow: none; cursor: default; border-color: var(--border); transform: none; }
.btn-ghost { color: var(--text); border-color: var(--border); background: rgba(17, 28, 46, 0.6); }
.btn-ghost:hover { border-color: var(--accent); }

/* ---------- Screenshot frames ---------- */
.shot {
  margin: 0; border-radius: var(--radius); overflow: hidden; background: #1c1c1c;
  border: 1px solid var(--border); box-shadow: var(--shadow); cursor: zoom-in;
  transition: transform .25s, box-shadow .25s;
}
.shot:hover { transform: translateY(-2px); box-shadow: 0 26px 70px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(46, 230, 182, 0.25); }
.hero-shot { box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(46, 230, 182, 0.18), 0 0 80px rgba(46, 230, 182, 0.08); }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 64px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stats div { background: var(--bg-2); padding: 24px; text-align: center; }
.stats strong { display: block; font-size: 2rem; color: var(--text); letter-spacing: -0.02em; }
.stats span { color: var(--text-3); font-size: 0.9rem; }
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .cards, .cards-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards, .cards-2, .cards-3 { grid-template-columns: 1fr; } }
.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--border); border-radius: var(--radius); padding: 26px;
}
.card p { color: var(--text-2); margin: 0; }
.card.flat p + p, .card.flat ul + p { margin-top: 12px; }
.card h2 { font-size: 1.35rem; }
.card-icon {
  width: 42px; height: 42px; display: grid; place-items: center; font-size: 1.3rem;
  border-radius: 10px; background: var(--accent-soft); color: var(--accent); margin-bottom: 16px;
  border: 1px solid rgba(46, 230, 182, 0.25);
}

.ticks { list-style: none; padding: 0; margin: 0 0 1em; }
.ticks li { position: relative; padding-left: 26px; margin: 8px 0; color: var(--text-2); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 0.62em; width: 12px; height: 6px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.ticks strong { color: var(--text); }

/* ---------- Split / feature rows ---------- */
.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.split p { color: var(--text-2); }
.feature { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: start; padding-top: 96px; }
.feature.reverse .feature-text { order: 2; }
.feature-text p { color: var(--text-2); }
.feature-media { position: sticky; top: 96px; }
@media (max-width: 960px) {
  .split, .feature { grid-template-columns: 1fr; gap: 28px; }
  .feature.reverse .feature-text { order: 0; }
  .feature-media { position: static; }
}
.jump { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.jump a { color: var(--text-2); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: 0.88rem; }
.jump a:hover { color: var(--text); border-color: var(--accent); text-decoration: none; }
.code-samples { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.code-samples code { color: var(--accent); padding: 6px 10px; }

/* Tabs over a screenshot */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tabs button, .chip-btn {
  font: inherit; font-size: 0.88rem; font-weight: 500; color: var(--text-2);
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  padding: 6px 14px; cursor: pointer; transition: all .15s;
}
.tabs button:hover, .chip-btn:hover { color: var(--text); border-color: #36507a; }
.tabs button[aria-selected="true"], .chip-btn.active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.shot.tabbed img { transition: opacity .2s; }
.shot.tabbed img.swapping { opacity: 0.2; }

/* ---------- Comparison table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); margin-top: 28px; }
.compare { width: 100%; border-collapse: collapse; min-width: 620px; }
.compare th, .compare td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.compare thead th { background: var(--surface-2); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-2); }
.compare tbody th { font-weight: 500; }
.compare tbody tr:last-child > * { border-bottom: 0; }
.compare tbody tr:hover { background: rgba(22, 35, 58, 0.5); }
.compare td { color: var(--text-2); white-space: nowrap; }
.compare td::before { display: inline-block; width: 1.3em; font-weight: 700; }
.compare td.yes::before { content: "✓"; color: var(--accent); }
.compare td.no::before { content: "–"; color: var(--text-3); }
.compare td.partial::before { content: "◐"; color: var(--warn); }

/* ---------- Visualizations ---------- */
.viz-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px 32px; }
@media (max-width: 860px) { .viz-grid { grid-template-columns: 1fr; } }
.viz h2 { font-size: 1.4rem; margin-top: 20px; }
.viz-text { background: linear-gradient(180deg, var(--surface), var(--bg-2)); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; align-self: start; }
.viz-text p { color: var(--text-2); }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: 0.82rem; color: var(--text-2); background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; }

/* ---------- Screenshots grid ---------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .thumbs { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .thumbs { grid-template-columns: 1fr; } }
.thumb { margin: 0; }
.thumb button { all: unset; display: block; width: 100%; cursor: zoom-in; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); background: #1c1c1c; transition: transform .2s, border-color .2s; }
.thumb button:hover { transform: translateY(-2px); border-color: var(--accent); }
.thumb button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.thumb img { aspect-ratio: 1626 / 1033; object-fit: cover; object-position: top left; width: 100%; }
.thumb figcaption { font-size: 0.88rem; color: var(--text-2); margin-top: 8px; }
.thumb[hidden] { display: none; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(3, 6, 12, 0.92); display: grid; grid-template-columns: 56px 1fr 56px; align-items: center; padding: 24px 12px; }
.lightbox[hidden] { display: none; }
.lightbox figure { margin: 0; display: flex; flex-direction: column; align-items: center; min-width: 0; }
.lightbox img { max-height: calc(100vh - 110px); width: auto; border-radius: 10px; box-shadow: var(--shadow); }
.lightbox figcaption { color: var(--text-2); margin-top: 12px; text-align: center; max-width: 900px; }
.lightbox button { background: rgba(22, 35, 58, 0.8); color: var(--text); border: 1px solid var(--border); border-radius: 999px; width: 44px; height: 44px; font-size: 1.6rem; line-height: 1; cursor: pointer; }
.lightbox button:hover { border-color: var(--accent); }
.lb-close { position: absolute; top: 16px; right: 16px; }
@media (max-width: 600px) { .lightbox { grid-template-columns: 40px 1fr 40px; padding: 60px 4px; } .lightbox button { width: 36px; height: 36px; } }

/* ---------- Roadmap ---------- */
.timeline { position: relative; padding-left: 36px; margin-top: 16px; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--accent), var(--border) 45%); }
.phase { position: relative; margin-bottom: 36px; }
.phase-marker { position: absolute; left: -36px; top: 6px; width: 24px; height: 24px; border-radius: 50%; background: var(--bg); border: 2px solid var(--border); }
.phase.done-mostly .phase-marker { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 16px rgba(46, 230, 182, 0.6); }
.phase.in-progress .phase-marker { border-color: var(--accent); background: radial-gradient(var(--accent) 35%, var(--bg) 40%); }
.phase-body { background: linear-gradient(180deg, var(--surface), var(--bg-2)); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 28px; }
.phase-body p { color: var(--text-2); }
.phase-label { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-3) !important; margin-bottom: 8px; }
.status { color: var(--text-2); }
.status-progress { color: var(--accent); }
.checklist { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 32px; }
@media (max-width: 760px) { .checklist { columns: 1; } }
.checklist li { break-inside: avoid; position: relative; padding-left: 28px; margin: 6px 0; color: var(--text-2); }
.checklist li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.checklist li.ok::before { content: "✓"; color: var(--accent); }
.checklist li.wip::before { content: "◐"; color: var(--warn); }
.checklist li.todo::before { content: "○"; color: var(--text-3); }

/* ---------- Download / prose ---------- */
.version { color: var(--text-2); font-weight: 600; }
.prose { max-width: 780px; }
.prose pre { overflow-x: auto; margin: 0 0 16px; padding: 12px 14px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; }
.prose pre code { background: none; border: 0; padding: 0; white-space: pre; }
.prose p, .prose li { color: var(--text-2); }
.prose h2 { font-size: 1.5rem; margin-top: 48px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); margin-top: 96px; padding: 40px 0; background: var(--bg-2); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-brand img { border-radius: 6px; }
.footer-brand .muted { font-weight: 400; }
.footer nav { display: flex; flex-wrap: wrap; gap: 20px; margin-left: auto; }
.footer nav a { color: var(--text-2); }
.footer p { width: 100%; margin: 0; }