/* ============================================================
   insmn.digital — observability platform
   Design system: liquid glass · violet · near-black · grotesque
   ============================================================ */

:root {
  /* Surfaces */
  --bg:          #07070b;
  --bg-2:        #0b0b12;
  --surface:     rgba(22, 20, 38, 0.55);
  --surface-2:   rgba(30, 26, 50, 0.62);
  --surface-3:   rgba(40, 34, 64, 0.50);
  --border:      rgba(255, 255, 255, 0.075);
  --border-2:    rgba(255, 255, 255, 0.12);
  --border-glow: rgba(139, 123, 250, 0.30);

  /* Text */
  --text:        #ECEAF6;
  --text-dim:    #9b97b6;
  --text-faint:  #615d7c;

  /* Accents */
  --violet:        #8b7bff;
  --violet-bright: #a78bfa;
  --violet-deep:   #6d4aff;
  --cyan:          #58dce4;
  --green:         #4ade80;
  --amber:         #fbbf24;
  --red:           #fb7185;

  /* Type */
  --display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --body:    'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Geometry */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --maxw: 1180px;

  --shadow-glass: 0 1px 0 rgba(255,255,255,0.05) inset,
                  0 24px 60px -28px rgba(0,0,0,0.85),
                  0 0 0 1px var(--border);
  --glow-violet: 0 0 40px -8px rgba(124, 92, 255, 0.55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0.1px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Ambient background ---------- */
.bg-field { position: fixed; inset: 0; z-index: -2; pointer-events: none; background: var(--bg); }
.bg-field::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(139,123,250,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,123,250,0.025) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
.bg-orb {
  position: fixed; z-index: -1; border-radius: 50%; pointer-events: none;
  filter: blur(80px); opacity: 0.55;
}
.bg-orb.a { top: -260px; left: 50%; width: 760px; height: 520px; transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(109,74,255,0.45), transparent 70%); animation: drift 26s ease-in-out infinite; }
.bg-orb.b { top: 30%; right: -200px; width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(88,220,228,0.18), transparent 70%); animation: drift 32s ease-in-out infinite reverse; }
.bg-orb.c { bottom: -260px; left: -160px; width: 560px; height: 460px;
  background: radial-gradient(circle, rgba(139,123,250,0.20), transparent 70%); animation: drift 38s ease-in-out infinite; }

@keyframes drift {
  0%,100% { transform: translate(-50%, 0) scale(1); }
  50%     { transform: translate(-50%, 28px) scale(1.06); }
}
.bg-orb.b, .bg-orb.c { } /* keep distinct transforms */
@media (prefers-reduced-motion: reduce) {
  .bg-orb { animation: none !important; }
  * { scroll-behavior: auto !important; }
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.section { padding: 86px 0; }
.eyebrow {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 2.4px;
  text-transform: uppercase; color: var(--violet-bright); font-weight: 500;
}

/* ---------- Glass primitive ---------- */
.glass {
  background: var(--surface);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-glass);
  position: relative;
}
.glass::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(160deg, rgba(255,255,255,0.06), transparent 38%);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  background: rgba(7,7,11,0.62);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.brand svg { width: 26px; height: 26px; }
.brand b { font-family: var(--display); font-weight: 600; font-size: 17px; letter-spacing: -0.3px; }
.brand b span { color: var(--text-faint); font-weight: 500; }
.nav-links { display: flex; gap: 6px; align-items: center; list-style: none; }
.nav-links a {
  color: var(--text-dim); text-decoration: none; font-size: 14px; font-weight: 450;
  padding: 7px 13px; border-radius: var(--r-sm); transition: color .18s, background .18s;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-links a.active { color: var(--violet-bright); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: var(--body); font-size: 14px; font-weight: 500; text-decoration: none;
  padding: 9px 18px; border-radius: var(--r-sm); border: 1px solid transparent;
  transition: transform .15s, background .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, var(--violet), var(--violet-deep));
  box-shadow: var(--glow-violet), 0 1px 0 rgba(255,255,255,0.25) inset;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 54px -6px rgba(124,92,255,0.7), 0 1px 0 rgba(255,255,255,0.25) inset; }
.btn-ghost {
  color: var(--text); background: rgba(255,255,255,0.03); border-color: var(--border-2);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.07); border-color: var(--border-glow); }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* ---------- Hero ---------- */
.hero { padding: 92px 0 60px; text-align: center; position: relative; }
.hero h1 {
  font-family: var(--display); font-weight: 600; letter-spacing: -2px;
  font-size: clamp(38px, 6.2vw, 70px); line-height: 1.02; margin: 22px auto 0; max-width: 14ch;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--violet-bright), var(--cyan));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p.lede {
  color: var(--text-dim); font-size: clamp(16px, 2vw, 19px);
  max-width: 58ch; margin: 22px auto 0; line-height: 1.65;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
  border-radius: 100px; font-size: 12.5px; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }

/* hero preview panel */
.hero-frame { margin: 56px auto 0; max-width: 1000px; padding: 14px; }
.hero-frame .bar { display: flex; align-items: center; gap: 7px; padding: 4px 6px 12px; }
.hero-frame .bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--border-2); display: inline-block; }
.hero-frame .screen { border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--border); background: rgba(0,0,0,0.35); }

/* ---------- Section heading ---------- */
.sec-head { max-width: 60ch; }
.sec-head h2 {
  font-family: var(--display); font-weight: 600; letter-spacing: -1px;
  font-size: clamp(26px, 3.6vw, 38px); line-height: 1.1; margin-top: 14px;
}
.sec-head p { color: var(--text-dim); margin-top: 14px; font-size: 16px; }

/* ---------- Feature grid ---------- */
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { padding: 26px; }
.card .ic {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(160deg, rgba(139,123,250,0.22), rgba(139,123,250,0.05));
  border: 1px solid var(--border-glow); margin-bottom: 16px;
}
.card .ic svg { width: 20px; height: 20px; stroke: var(--violet-bright); }
.card h3 { font-family: var(--display); font-weight: 500; font-size: 18px; letter-spacing: -0.2px; }
.card p { color: var(--text-dim); font-size: 14.5px; margin-top: 8px; line-height: 1.6; }

/* ---------- Stat row ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; }
.stat { padding: 26px; text-align: center; }
.stat .v { font-family: var(--display); font-size: 32px; font-weight: 600; letter-spacing: -1px; }
.stat .v small { font-size: 16px; color: var(--text-faint); font-weight: 500; }
.stat .l { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-faint); margin-top: 6px; }

/* ---------- Dashboard ---------- */
.dash-head { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.dash-title { font-family: var(--display); font-weight: 600; font-size: 26px; letter-spacing: -0.6px; }
.dash-sub { color: var(--text-dim); font-size: 14px; margin-top: 4px; }
.seg { display: inline-flex; padding: 4px; gap: 2px; border-radius: var(--r-sm); background: var(--surface); border: 1px solid var(--border); }
.seg button { font-family: var(--mono); font-size: 12px; color: var(--text-dim); background: none; border: 0; padding: 6px 12px; border-radius: 7px; cursor: pointer; transition: all .15s; }
.seg button.on { background: var(--violet); color: #fff; }

.dash-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
.panel { padding: 22px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-head .t { font-size: 14px; font-weight: 500; color: var(--text); display: flex; align-items: center; gap: 8px; }
.panel-head .t .tag { font-family: var(--mono); font-size: 10.5px; color: var(--violet-bright); border: 1px solid var(--border-glow); border-radius: 6px; padding: 2px 7px; }
.panel-head .big { font-family: var(--mono); font-size: 13px; color: var(--text-dim); }
.metric-big { font-family: var(--display); font-size: 38px; font-weight: 600; letter-spacing: -1.4px; line-height: 1; }
.metric-big small { font-size: 15px; color: var(--text-faint); font-weight: 500; margin-left: 4px; }
.delta { font-family: var(--mono); font-size: 12px; }
.delta.up { color: var(--green); } .delta.down { color: var(--red); }

.chart { width: 100%; height: 180px; display: block; }
.spark { width: 100%; height: 46px; display: block; }

.mini-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mini { padding: 16px; display: flex; flex-direction: column; }
.mini .l { font-family: var(--mono); font-size: 10.5px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-faint); }
.mini .v { font-family: var(--display); font-size: 24px; font-weight: 600; letter-spacing: -0.8px; margin: 4px 0; }

/* log stream */
.logs { font-family: var(--mono); font-size: 12px; line-height: 1.9; max-height: 240px; overflow: hidden; }
.logs .row { display: flex; gap: 10px; white-space: nowrap; opacity: 0; animation: logIn .4s forwards; }
.logs .ts { color: var(--text-faint); }
.logs .lv { font-weight: 500; }
.logs .lv.info { color: var(--cyan); } .logs .lv.warn { color: var(--amber); } .logs .lv.ok { color: var(--green); } .logs .lv.err { color: var(--red); }
.logs .msg { color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; }
@keyframes logIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: .9; transform: none; } }

/* ---------- Code ---------- */
.code {
  font-family: var(--mono); font-size: 13px; line-height: 1.7;
  background: rgba(0,0,0,0.45); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 18px 20px; overflow-x: auto; color: #cfcbe8;
}
.code .c { color: var(--text-faint); }
.code .k { color: var(--violet-bright); }
.code .s { color: var(--cyan); }
.code .n { color: #f0a868; }
.tabs { display: flex; gap: 4px; margin-bottom: -1px; }
.tabs button {
  font-family: var(--mono); font-size: 12.5px; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--border); border-bottom: 0;
  padding: 8px 16px; border-radius: 10px 10px 0 0; cursor: pointer;
}
.tabs button.on { color: var(--text); background: rgba(0,0,0,0.45); border-color: var(--border-glow); }

/* ---------- Docs layout ---------- */
.doc-layout { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: start; }
.doc-nav { position: sticky; top: 90px; font-size: 14px; }
.doc-nav a { display: block; color: var(--text-dim); text-decoration: none; padding: 7px 12px; border-radius: 8px; border-left: 2px solid transparent; }
.doc-nav a:hover { color: var(--text); }
.doc-nav a.active { color: var(--violet-bright); border-left-color: var(--violet); background: rgba(139,123,250,0.06); }
.doc-nav .grp { font-family: var(--mono); font-size: 10.5px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-faint); margin: 18px 0 6px 12px; }
.prose h2 { font-family: var(--display); font-weight: 600; font-size: 28px; letter-spacing: -0.8px; margin: 40px 0 14px; scroll-margin-top: 90px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-family: var(--display); font-weight: 500; font-size: 18px; margin: 28px 0 10px; }
.prose p { color: var(--text-dim); margin: 12px 0; }
.prose ul { color: var(--text-dim); margin: 12px 0 12px 20px; }
.prose li { margin: 6px 0; }
.prose code:not(.code) { font-family: var(--mono); font-size: 0.88em; background: rgba(139,123,250,0.12); color: var(--violet-bright); padding: 2px 6px; border-radius: 5px; }
.prose .code { margin: 16px 0; }
.callout { display: flex; gap: 12px; padding: 16px; border-radius: var(--r-md); background: rgba(139,123,250,0.07); border: 1px solid var(--border-glow); margin: 18px 0; font-size: 14px; color: var(--text-dim); }
.callout b { color: var(--violet-bright); }

/* ---------- Tables ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 14px; overflow: hidden; border-radius: var(--r-md); }
.table th { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-faint); text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.table td { padding: 15px 18px; border-bottom: 1px solid var(--border); color: var(--text-dim); }
.table tr:last-child td { border-bottom: 0; }
.table td .os { color: var(--text); font-weight: 500; }
.mono { font-family: var(--mono); }

/* status pills */
.sp { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 500; padding: 4px 11px; border-radius: 100px; }
.sp .d { width: 7px; height: 7px; border-radius: 50%; }
.sp.ok  { color: var(--green); background: rgba(74,222,128,0.1); } .sp.ok .d { background: var(--green); box-shadow: 0 0 8px var(--green); }
.sp.deg { color: var(--amber); background: rgba(251,191,36,0.1); } .sp.deg .d { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.sp.mnt { color: var(--text-dim); background: rgba(255,255,255,0.05); } .sp.mnt .d { background: var(--text-faint); }

/* uptime bars */
.uptime { display: flex; gap: 3px; margin: 14px 0 8px; }
.uptime i { flex: 1; height: 30px; border-radius: 3px; background: rgba(74,222,128,0.4); transition: transform .15s; }
.uptime i:hover { transform: scaleY(1.15); }
.uptime i.deg { background: rgba(251,191,36,0.5); }
.uptime i.down { background: rgba(251,113,133,0.5); }
.uptime-meta { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-faint); font-family: var(--mono); }

/* ---------- Auth (regional portal) ---------- */
.auth-shell { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; min-height: 70vh; }
.auth-card { padding: 34px; max-width: 420px; width: 100%; }
.field { margin-bottom: 14px; }
.field label { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--text-faint); margin-bottom: 7px; }
.field input {
  width: 100%; padding: 12px 14px; font-family: var(--body); font-size: 14px; color: var(--text);
  background: rgba(0,0,0,0.35); border: 1px solid var(--border-2); border-radius: var(--r-sm); outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124,92,255,0.18); }
.field input::placeholder { color: var(--text-faint); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 54px 0 40px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; }
.footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; }
.footer a { display: block; color: var(--text-dim); text-decoration: none; font-size: 14px; padding: 5px 0; }
.footer a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); flex-wrap: wrap; gap: 12px; }
.footer-bottom span { color: var(--text-faint); font-size: 13px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .logs .row { animation: none; opacity: .9; } }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .grid-3, .grid-2, .stats { grid-template-columns: 1fr 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .doc-nav { position: static; display: none; }
  .auth-shell { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; position: absolute; top: 66px; left: 0; right: 0;
    background: rgba(11,11,18,0.96); backdrop-filter: blur(20px); padding: 14px 28px 22px; gap: 2px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open a { padding: 11px 12px; }
  .nav-toggle { display: inline-flex; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 18px; }
  .stats, .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .nav-cta .btn-ghost { display: none; }
}