/* Argus public site, in Eteration's theme: a dark hero and footer, orange
   accents, white content with light cards, a monospace terminal panel.
   One stylesheet, no build step, no third-party assets. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/InterVariable.woff2") format("woff2");
}
:root {
  --dark: #14181f;        /* hero, footer */
  --dark-2: #333b49;      /* panel borders on dark */
  --terminal: #0b0d14;    /* terminal panels */
  --orange: #e65c00;      /* the data sheet's orange: large text, figures, marks */
  --orange-ink: #c94f00;  /* small text on light backgrounds, for contrast */
  --orange-hover: #ff6600;
  --orange-soft: #fff4ec; /* icon tiles */
  --orange-line: #ffc9a3;
  --ink: #14181f;
  --ink-2: #333b49;
  --muted: #6b7280;
  --line: #e4e8ee;
  --card: #f8fafc;
  --white: #ffffff;
  --red: #e0453a;
  --yellow: #e8a400;
  --blue: #2d7ff0;
  --green: #1e9e6a;
  --mint: #00d4a1;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", Menlo, "Roboto Mono", Consolas, monospace;
  --max: 1120px;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.08rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.eyebrow { color: var(--orange-ink); font-weight: 600; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; margin-bottom: .9em; }
.hl { color: var(--orange); font-style: normal; }
.hero .eyebrow, section.dark .eyebrow { color: var(--orange); }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 36em; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

/* Header, on the dark hero */
.top { position: sticky; top: 0; z-index: 10; background: rgba(20, 24, 31, .92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,.08); color: #fff; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand img { height: 28px; width: auto; display: block; }
.brand .product { font-weight: 700; letter-spacing: .02em; padding-left: 14px; border-left: 1px solid rgba(255,255,255,.25); line-height: 1; }
nav.menu { display: flex; gap: 24px; font-size: .93rem; }
nav.menu a { text-decoration: none; color: rgba(255,255,255,.78); }
nav.menu a:hover { color: #fff; }
@media (max-width: 860px) { nav.menu { display: none; } }

/* Buttons */
.btn { display: inline-block; padding: 13px 22px; border-radius: 8px; font-weight: 600; text-decoration: none; border: 1px solid transparent; }
.btn.primary { background: var(--orange); color: var(--dark); font-weight: 700; }
.btn.primary:hover { background: var(--orange-hover); }
.btn.ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn.ghost.on-light { border-color: var(--line); color: var(--ink); }

/* Hero */
.hero { background: radial-gradient(900px 500px at 8% 0%, rgba(0, 212, 161, .14), transparent 60%), radial-gradient(900px 600px at 95% 30%, rgba(230, 92, 0, .22), transparent 60%), var(--dark); color: #fff; padding: 80px 0 72px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
@media (max-width: 920px) { .hero .wrap { grid-template-columns: 1fr; } .hero { padding: 48px 0; } }
.hero .lead { color: rgba(255,255,255,.78); }
.hero .sub { font-size: clamp(1.35rem, 2.6vw, 1.9rem); font-weight: 500; line-height: 1.3; margin: .2em 0 .8em; letter-spacing: -0.01em; }
.hero .actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px; }
.hero .note { margin-top: 20px; font-size: .9rem; color: rgba(255,255,255,.6); }

/* Terminal panel */
.term { background: var(--terminal); border: 1px solid var(--dark-2); border-radius: 14px; padding: 22px 24px; font-family: var(--mono); font-size: .9rem; line-height: 1.55; color: #e6e9ef; box-shadow: 0 30px 60px rgba(0,0,0,.45); }
.term .head { display: flex; justify-content: space-between; align-items: center; color: #9aa3b2; margin-bottom: 14px; }
.term .live { width: 9px; height: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px var(--mint); display: inline-block; }
.term .k { color: #fff; }
.term .warn { color: var(--orange); }
.term .dim { color: #8b94a5; }
.term hr { border: 0; border-top: 1px solid var(--dark-2); margin: 14px 0; }
.term .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 7px 0; }
.term .row .name { color: #fff; }
.term .row .ver { color: #b6bec9; display: block; }
.chip { font-family: var(--sans); font-size: .76rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip.red { color: #ff8a80; background: rgba(224,69,58,.18); }
.chip.yellow { color: #ffcc4d; background: rgba(232,164,0,.18); }
.chip.blue { color: #7fb3ff; background: rgba(45,127,240,.2); }
.chip.green { color: #4ed3a0; background: rgba(30,158,106,.2); }

/* Stats strip */
.stats { border-bottom: 1px solid var(--line); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 30px 24px; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat b { display: block; color: var(--orange); font-size: 2.4rem; font-weight: 800; line-height: 1; margin-bottom: 8px; letter-spacing: -0.02em; }
.stat span { color: var(--ink-2); font-size: .95rem; }
@media (max-width: 760px) { .stats .wrap { grid-template-columns: 1fr 1fr; } .stat { border-left: 0; padding-left: 0; } }

/* Sections */
section { padding: 72px 0; }
section.alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
section.dark { background: var(--dark); color: #fff; }
section.dark .lead { color: rgba(255,255,255,.75); }
.section-head { max-width: 44em; margin-bottom: 36px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid, .grid.four { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid, .grid.two, .grid.four { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
section.alt .card { background: var(--white); }
.card h3 { margin-bottom: .4em; }
.card p { margin: 0; color: var(--ink-2); font-size: .97rem; }
.card.icon { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; }
.tile { width: 44px; height: 44px; border-radius: 10px; background: var(--orange-soft); color: var(--orange); display: flex; align-items: center; justify-content: center; }
.tile svg { width: 22px; height: 22px; }

/* Steps: orange top border, mono number */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.steps.three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 760px) { .steps.three { grid-template-columns: 1fr; } }
.step { background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--orange); border-radius: 10px; padding: 20px; }
.step .n { font-family: var(--mono); color: var(--orange-ink); font-size: .85rem; margin-bottom: 8px; display: block; }
.step p { margin: 0; color: var(--ink-2); font-size: .95rem; }

/* Installed → Latest → Recommended */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .compare { grid-template-columns: 1fr; } }
.triple { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0; }
.triple .box { background: #171a22; border: 1px solid var(--dark-2); border-radius: 8px; padding: 12px; }
.triple .box.rec { border-color: var(--orange); background: rgba(230,92,0,.12); }
.triple small { display: block; color: #9aa3b2; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.triple .v { font-size: 1.4rem; color: #fff; margin: 4px 0; }
.triple .s { font-size: .78rem; color: #9aa3b2; }
.triple .s.bad { color: #ff8a80; }
.triple .box.rec small, .triple .box.rec .s { color: var(--orange-line); }
.evidence { color: #b6bec9; font-size: .85rem; }
.evidence::before { content: "✓ "; color: var(--mint); }

/* Coverage */
.cover { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px 24px; }
@media (max-width: 760px) { .cover { grid-template-columns: 1fr; } }
.cover div { border-left: 3px solid var(--orange); padding: 2px 0 2px 14px; }
.cover b { display: block; }
.cover span { color: var(--ink-2); font-size: .95rem; }
.cover-note { margin-top: 22px; font-size: .93rem; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--orange); font-weight: 700; }
details[open] summary::after { content: "–"; }
details p { margin: 10px 0 0; color: var(--ink-2); }

/* Contact: a form that opens the visitor's own mail, and the direct lines */
.contact { display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; align-items: start; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
.ask { display: grid; gap: 16px; padding: 26px; }
.ask .pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .ask .pair { grid-template-columns: 1fr; } }
.ask label { display: block; font-size: .9rem; font-weight: 600; color: var(--ink); }
.ask .req { color: var(--orange-ink); }
.ask .opt { color: var(--muted); font-weight: 400; }
.ask input[type="text"], .ask input[type="email"], .ask input[type="tel"], .ask select, .ask textarea { display: block; width: 100%; margin-top: 6px; padding: 11px 12px; font: inherit; font-weight: 400; color: var(--ink); background: var(--white); border: 1px solid #c5ccd6; border-radius: 8px; }
.ask textarea { resize: vertical; min-height: 96px; }
.ask input:focus-visible, .ask select:focus-visible, .ask textarea:focus-visible, .ask button:focus-visible { outline: 2px solid var(--orange); outline-offset: 1px; border-color: var(--orange); }
.ask .consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--ink-2); }
.ask .consent input { margin-top: 5px; accent-color: var(--orange); }
.ask button.btn { justify-self: start; font: inherit; font-weight: 700; cursor: pointer; }
.ask p.fine { margin: 0; font-size: .85rem; color: var(--muted); }
.reach h3 { margin-bottom: 1em; }
.reach dl { margin: 0; }
.reach dt { font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.reach dd { margin: 2px 0 18px; font-size: 1.05rem; color: var(--ink); }
.reach dd a { color: var(--orange-ink); font-weight: 600; text-decoration: none; }
.reach dd a:hover { text-decoration: underline; }

/* Footer band */
.cta { background: var(--dark); color: #fff; padding: 56px 0; }
.cta .wrap { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; }
.cta h2 { margin: 0 0 .3em; }
.cta p { margin: 0; color: rgba(255,255,255,.7); }
.cta .right { text-align: right; }
.cta .right .site { display: block; margin-top: 12px; text-decoration: none; color: rgba(255,255,255,.75); }
@media (max-width: 760px) { .cta .wrap { grid-template-columns: 1fr; } .cta .right { text-align: left; } }
footer { background: var(--dark); color: rgba(255,255,255,.55); border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; font-size: .88rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
footer img { height: 22px; opacity: .9; }