/*
 * tlswatch website – the one stylesheet.
 *
 * Same rules as the product: colours are tokens on :root, status colours
 * (ok, warn, crit, off, info) appear only where they mean a status, and
 * the dark set follows prefers-color-scheme (or data-theme on <html>).
 */

/* ---------- Fonts (OFL, see ../fonts/OFL.txt) ---------- */
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/plex-sans-400.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/plex-sans-500.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/plex-sans-600.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/plex-mono-400.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/plex-mono-500.woff2") format("woff2")}

/* ---------- Tokens: light ---------- */
:root{
  color-scheme:light;
  --bg:#f5f6f7;
  --surface:#ffffff;
  --surface-2:#f0f2f4;
  --ink:#1a2330;
  --muted:#5c6b7a;
  --line:#dde2e7;
  --line-soft:#eaeef1;
  --input-line:#b9c2cc;
  --acc:#2f6fd1;
  --acc-hover:#275bb0;
  --on-acc:#ffffff;
  --link:#2f6fd1;
  --ok:#1f8a4c;--ok-bg:#e3f3ea;
  --warn:#a86400;--warn-bg:#fdf1dc;
  --crit:#c62828;--crit-bg:#fde8e8;
  --off:#6b7785;--off-bg:#e9ecef;
  --info:#2f6fd1;--info-bg:#e6eefb;
  --chrome:#1c2430;
  --chrome-fg:#e8edf2;
  --chrome-muted:#95a2b1;
  --chrome-line:#2c3745;
  --track:#e4e8ec;
  --code-bg:#1c2430;
  --code-fg:#e8edf2;
  --code-muted:#8793a1;
  --shadow:0 1px 2px rgba(26,35,48,.06),0 12px 40px -12px rgba(26,35,48,.25);
}

/* ---------- Tokens: dark ---------- */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#0f141a;
    --surface:#171d25;
    --surface-2:#1e2630;
    --ink:#e6ebf0;
    --muted:#97a3b1;
    --line:#2a3442;
    --line-soft:#222b36;
    --input-line:#3a4656;
    --acc:#6ea0ec;
    --acc-hover:#8ab4f2;
    --on-acc:#0f141a;
    --link:#6ea0ec;
    --ok:#4cc27a;--ok-bg:#15301f;
    --warn:#f0b84d;--warn-bg:#332a12;
    --crit:#f06565;--crit-bg:#3a1b1b;
    --off:#8e9aa8;--off-bg:#262e38;
    --info:#6ea0ec;--info-bg:#17273d;
    --chrome:#0b0f14;
    --chrome-fg:#e6ebf0;
    --chrome-muted:#8793a1;
    --chrome-line:#232c37;
    --track:#2a3442;
    --code-bg:#0b0f14;
    --code-fg:#e6ebf0;
    --code-muted:#8793a1;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 40px -12px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0f141a;
  --surface:#171d25;
  --surface-2:#1e2630;
  --ink:#e6ebf0;
  --muted:#97a3b1;
  --line:#2a3442;
  --line-soft:#222b36;
  --input-line:#3a4656;
  --acc:#6ea0ec;
  --acc-hover:#8ab4f2;
  --on-acc:#0f141a;
  --link:#6ea0ec;
  --ok:#4cc27a;--ok-bg:#15301f;
  --warn:#f0b84d;--warn-bg:#332a12;
  --crit:#f06565;--crit-bg:#3a1b1b;
  --off:#8e9aa8;--off-bg:#262e38;
  --info:#6ea0ec;--info-bg:#17273d;
  --chrome:#0b0f14;
  --chrome-fg:#e6ebf0;
  --chrome-muted:#8793a1;
  --chrome-line:#232c37;
  --track:#2a3442;
  --code-bg:#0b0f14;
  --code-fg:#e6ebf0;
  --code-muted:#8793a1;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 40px -12px rgba(0,0,0,.7);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,p{margin:0}
img,svg{display:block}
.mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* ---------- Top bar ---------- */
.top{position:sticky;top:0;z-index:10;height:52px;background:var(--chrome);color:var(--chrome-fg);border-bottom:1px solid var(--chrome-line)}
.top .wrap{display:flex;align-items:center;gap:28px;height:52px}
.brand{display:flex;align-items:center;gap:9px;color:var(--chrome-fg);font-weight:600;font-size:16px;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand svg,.wordmark svg{stroke:var(--acc)}
.top nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.top nav a{display:inline-flex;align-items:center;gap:6px;height:52px;padding:0 10px;color:var(--chrome-muted);font-size:13px;font-weight:500}
.top nav a:hover{color:var(--chrome-fg);text-decoration:none}
.top nav a.gh{color:var(--chrome-fg)}
.top nav a.gh svg{width:16px;height:16px;fill:currentColor}
@media (max-width:760px){
  .top nav a{padding:0 7px}
  .top nav a.hide-sm{display:none}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:6px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap;border:1px solid var(--input-line);background:var(--surface);color:var(--ink)}
.btn:hover{text-decoration:none;background:var(--surface-2)}
.btn-primary{background:var(--acc);color:var(--on-acc);border-color:var(--acc)}
.btn-primary:hover{background:var(--acc-hover);border-color:var(--acc-hover)}
.btn svg{width:16px;height:16px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- Hero ---------- */
.hero{padding:72px 0 40px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
h1{font-size:44px;line-height:1.1;font-weight:600;letter-spacing:-.025em;text-wrap:balance}
.lede{margin-top:18px;font-size:17px;line-height:1.55;color:var(--muted);max-width:46ch;text-wrap:pretty}
.hero .btn-row{margin-top:28px}
.hero-meta{margin-top:22px;display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta svg{width:14px;height:14px;stroke:var(--ok);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:980px){
  .hero{padding:48px 0 24px}
  .hero .wrap{grid-template-columns:minmax(0,1fr);gap:36px}
  h1{font-size:36px}
}
@media (max-width:520px){
  h1{font-size:30px}
  .lede{font-size:16px}
}

/* ---------- Product mock (a slice of the overview) ---------- */
.mock{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);overflow:hidden;font-size:13px;line-height:1.45}
.mock-top{height:40px;background:var(--chrome);color:var(--chrome-fg);display:flex;align-items:center;padding:0 14px;gap:20px}
.mock-top .brand{font-size:13px;gap:7px}
.mock-top nav{display:flex;gap:2px;flex-grow:1;height:40px}
.mock-top nav span{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 8px;color:var(--chrome-muted);font-size:12px;font-weight:500;border-bottom:2px solid transparent;border-top:2px solid transparent}
.mock-top nav span.on{color:var(--chrome-fg);border-bottom-color:var(--acc)}
.cnt{display:inline-flex;min-width:16px;height:16px;padding:0 5px;border-radius:8px;font-size:10px;font-weight:600;align-items:center;justify-content:center;background:var(--chrome-line);color:var(--chrome-fg)}
.cnt.crit{background:var(--crit);color:#fff}
.mock-body{padding:14px;background:var(--bg);display:flex;flex-direction:column;gap:12px}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:10px 12px;display:flex;flex-direction:column;gap:3px}
.tile .s{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.tile .n{font-size:24px;font-weight:600;line-height:1;letter-spacing:-.02em}
.tile .l{font-size:11px;color:var(--muted)}
.ok-t{color:var(--ok)}.warn-t{color:var(--warn)}.crit-t{color:var(--crit)}.off-t{color:var(--off)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.sec{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--line)}
.sec h2{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.sec span{font-size:11px;color:var(--link)}
.tbl{width:100%;border-collapse:collapse;font-size:12px}
.tbl th{text-align:left;font-size:10px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding:6px 8px;border-bottom:1px solid var(--line);background:var(--surface-2);white-space:nowrap}
.tbl td{padding:6px 8px;border-bottom:1px solid var(--line-soft);white-space:nowrap;vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl .num{text-align:right}
.tbl .name{font-weight:500}
.tbl .host{color:var(--muted);font-size:11px}
.tbl td.days{font-weight:600}
.bar{height:6px;width:110px;border-radius:3px;background:var(--track);overflow:hidden}
.bar>span{display:block;height:6px;border-radius:3px;background:var(--ok)}
.bar>.warn{background:var(--warn)}.bar>.crit{background:var(--crit)}
.bar>.w7{width:7%}.bar>.w18{width:18%}.bar>.w32{width:32%}.bar>.w47{width:47%}.bar>.w94{width:94%}.bar>.w98{width:98%}
.st{display:inline-flex;align-items:center;gap:6px;font-weight:500}
.st::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex-shrink:0}
.st.ok{color:var(--ok)}.st.warn{color:var(--warn)}.st.crit{color:var(--crit)}.st.off{color:var(--off)}
.pill{display:inline-flex;align-items:center;height:18px;padding:0 6px;border-radius:4px;font-size:10px;font-weight:600;letter-spacing:.02em;text-transform:uppercase;flex-shrink:0}
.pill.ok{background:var(--ok-bg);color:var(--ok)}.pill.warn{background:var(--warn-bg);color:var(--warn)}.pill.crit{background:var(--crit-bg);color:var(--crit)}.pill.off{background:var(--off-bg);color:var(--off)}.pill.info{background:var(--info-bg);color:var(--info)}
.li{display:flex;gap:8px;align-items:flex-start;padding:7px 12px;border-bottom:1px solid var(--line-soft);font-size:12px}
.li:last-child{border-bottom:0}
.li .t{color:var(--muted);font-size:11px;white-space:nowrap;margin-left:auto}
.mock-grid{display:flex;flex-direction:column;gap:12px}
@media (max-width:620px){
  .tiles{grid-template-columns:repeat(2,1fr)}
  .tbl .hide-s{display:none}
  .mock-top nav span:nth-child(n+3){display:none}
}

/* ---------- Sections ---------- */
section.block{padding:64px 0}
section.block.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:640px;margin-bottom:36px}
.sec-head h2{font-size:28px;line-height:1.2;font-weight:600;letter-spacing:-.02em;text-wrap:balance}
.sec-head p{margin-top:10px;font-size:16px;color:var(--muted);text-wrap:pretty}
.sec-head.tight{margin-bottom:0}
.sec-head .kicker{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--acc);margin-bottom:10px}
@media (max-width:760px){
  section.block{padding:48px 0}
  .sec-head h2{font-size:24px}
}

/* Three claims under the hero */
.claims{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:8px 0 64px}
.claim{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px 22px}
.claim .ic{width:36px;height:36px;border-radius:8px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.claim .ic svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.claim h3{font-size:16px;font-weight:600;margin-bottom:6px}
.claim p{font-size:14px;color:var(--muted);text-wrap:pretty}
@media (max-width:860px){.claims{grid-template-columns:minmax(0,1fr)}}

/* Feature grid */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 32px}
.feature h3{font-size:15px;font-weight:600;margin-bottom:4px}
.feature p{font-size:14px;color:var(--muted);text-wrap:pretty}
.feature code{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:12.5px;background:var(--surface-2);padding:1px 5px;border-radius:4px}
@media (max-width:860px){.features{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.features{grid-template-columns:minmax(0,1fr);gap:22px}}

/* Alerting */
.alerting{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.channels{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.channels span{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:15px;border:1px solid var(--input-line);background:var(--surface);font-size:13px;font-weight:500}
.alert-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);overflow:hidden;font-size:13px}
.alert-card .hd{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.alert-card .hd .from{font-weight:500}
.alert-card .hd .t{margin-left:auto;font-size:12px;color:var(--muted)}
.alert-card .bd{padding:16px}
.alert-card .subject{font-weight:600;font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.alert-card .cd{font-size:34px;font-weight:600;line-height:1;letter-spacing:-.02em;margin:8px 0 2px}
.alert-card .cd small{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:0;margin-left:6px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:5px 12px;margin-top:14px;font-size:13px}
.kv dt{color:var(--muted);margin:0}
.kv dd{margin:0}
.alert-card .bar{width:100%;height:8px;margin-top:10px}
.alert-card .bar>span{height:8px}
.alert-card .ft{padding:12px 16px;border-top:1px solid var(--line)}
.alert-card .ft .btn{height:32px;font-size:13px}
@media (max-width:860px){.alerting{grid-template-columns:minmax(0,1fr);gap:32px}}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding-top:12px}
.step::before{counter-increment:step;content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--acc);color:var(--on-acc);font-weight:600;font-size:13px;margin-bottom:14px}
.step h3{font-size:16px;font-weight:600;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);text-wrap:pretty}
@media (max-width:760px){.steps{grid-template-columns:minmax(0,1fr)}}

/* Code blocks */
.pre{margin:0;background:var(--code-bg);color:var(--code-fg);border-radius:8px;padding:16px 18px;font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;line-height:1.6;overflow-x:auto;border:1px solid var(--chrome-line)}
.pre .c{color:var(--code-muted)}
.pre .p{color:var(--code-muted);user-select:none}
.pre .k{color:var(--acc)}
.pre .s{color:var(--ok)}
.install{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}
.install h3{font-size:14px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.install h3 .tag{font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--muted);background:var(--surface-2);border-radius:4px;padding:1px 6px}
.install p{margin-top:10px;font-size:13px;color:var(--muted)}
@media (max-width:860px){.install{grid-template-columns:minmax(0,1fr)}}

/* CLI section */
.cli{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:center}
@media (max-width:860px){.cli{grid-template-columns:minmax(0,1fr);gap:28px}}

/* Details (operational facts) */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fact{border-top:2px solid var(--line);padding-top:14px}
.fact .v{font-size:22px;font-weight:600;letter-spacing:-.02em;line-height:1.1}
.fact .l{font-size:13px;color:var(--muted);margin-top:4px}
@media (max-width:760px){.facts{grid-template-columns:repeat(2,1fr)}}

/* Final call */
.cta{text-align:center;padding:72px 0}
.cta h2{font-size:30px;font-weight:600;letter-spacing:-.02em;text-wrap:balance}
.cta p{margin-top:10px;font-size:16px;color:var(--muted)}
.cta .btn-row{justify-content:center;margin-top:24px}

/* Footer */
footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:13px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center}
footer .wordmark{display:inline-flex;align-items:center;gap:7px;color:var(--ink);font-weight:600}
footer nav{display:flex;flex-wrap:wrap;gap:16px;margin-left:auto}
footer nav a{color:var(--muted)}
footer nav a:hover{color:var(--ink)}