/* ============================================================
   ArkHaven — shared marketing design system.
   Light-first interior pages with a compact dark hero band, on
   the same system as the homepage. Dark hero + dark footer carry
   the brand drama; the body is bright and readable.
   Whalers: green #00843D · blue #41B6E6 · silver #A2AAAD.
   Grade is its own traffic light (mirrors the dashboard).
   ============================================================ */
:root{
  --green:#00843D; --green-deep:#006A31; --green-br:#1aa64d; --green-glow:#00C24F;
  --blue:#41B6E6; --blue-ink:#0E6E96;
  --silver:#A2AAAD;
  --night:#070b0f; --night2:#0d1117; --panel:#11161d; --panel2:#161d26;
  --nline:#1f2730; --ntext:#e6edf3; --nmuted:#8b98a5; --nfaint:#5c6873;
  --danger:#f85149; --warn:#d29922;
  --paper:#F7F9F8; --paper2:#EEF2F0; --ink:#10201A; --ink-soft:#46564F; --line:#DCE3DF;
  /* grade + severity ramp — single source of truth (= dashboard lib/grades.ts) */
  --grade-a:#1aa64d; --grade-b:#5fc97a; --grade-c:#e3b341; --grade-d:#f0883e; --grade-f:#f85149;
  --sev-critical:#f85149; --sev-high:#f0883e; --sev-medium:#e3b341; --sev-low:#41b6e6;
  --disp:"Space Grotesk",sans-serif;
  --body:"IBM Plex Sans",-apple-system,sans-serif;
  --mono:"IBM Plex Mono",Menlo,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--blue-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--disp);font-weight:700;letter-spacing:-.025em;margin:0}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}
::selection{background:rgba(0,132,61,.45);color:#fff}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:8px 14px;border-radius:8px}
:focus-visible{outline:2px solid var(--blue-ink);outline-offset:2px}

/* ---------- reveals ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv2{transition-delay:.1s}.rv3{transition-delay:.2s}.rv4{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px var(--body);padding:12px 22px;border-radius:11px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;transition:background .2s var(--ease),border-color .2s,color .2s,transform .2s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--green);color:#fff!important}
.btn-primary:hover{background:var(--green-br)}
.btn-ghost-dark{border-color:#283341;color:var(--ntext)}
.btn-ghost-dark:hover{border-color:var(--silver)}
.btn-ghost-light,.btn-ghost{border-color:var(--line);color:var(--ink)}
.btn-ghost-light:hover,.btn-ghost:hover{border-color:var(--ink-soft)}
.btn-on-dark{background:var(--green);color:#fff!important}
.btn-on-dark:hover{background:var(--green-br)}
.btn-lg{padding:15px 30px;font-size:16.5px}

/* ---------- header ---------- */
header.site{position:fixed;top:0;left:0;right:0;z-index:60;transition:background .4s ease,border-color .4s ease;background:rgba(7,11,15,.72);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.navbar{display:flex;align-items:center;gap:28px;height:66px;max-width:1120px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font:700 20px var(--disp);color:var(--ntext);letter-spacing:-.01em;transition:color .4s}
.brand img{width:28px;height:28px}
.brand-ark{color:#2E9E5B}.brand-haven{color:#4D8FD6}
.navlinks{display:flex;gap:24px;margin-left:auto;align-items:center}
.navlinks a{color:var(--nmuted);font-size:15px;font-weight:500;transition:color .3s}
.navlinks a:hover{color:var(--ntext);text-decoration:none}
.navlinks a.active{color:var(--green-br)}
.navlinks a.btn-primary{color:#fff}
header.site.on-light{background:rgba(247,249,248,.9);border-bottom-color:var(--line)}
header.site.on-light .brand{color:var(--ink)}
header.site.on-light .navlinks a{color:var(--ink-soft)}
header.site.on-light .navlinks a:hover{color:var(--ink)}
header.site.on-light .navlinks a.active{color:var(--green-deep)}
header.site.on-light .navlinks a.btn-primary{color:#fff}
.navburger{display:none;margin-left:auto;background:none;border:1px solid #283341;border-radius:9px;width:42px;height:38px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0}
.navburger span{display:block;width:18px;height:2px;background:var(--ntext);border-radius:2px;transition:transform .25s,opacity .25s}
header.site.on-light .navburger{border-color:var(--line)}
header.site.on-light .navburger span{background:var(--ink)}
header.site.menu-open .navburger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
header.site.menu-open .navburger span:nth-child(2){opacity:0}
header.site.menu-open .navburger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobilemenu{display:none}

/* ---------- compact page hero (dark) ---------- */
.hero{position:relative;overflow:hidden;background:var(--night);color:var(--ntext);padding:132px 0 78px}
.hero .glow{position:absolute;z-index:0;border-radius:50%;filter:blur(70px);pointer-events:none}
.hero .glow.g1{width:520px;height:520px;right:-120px;top:-140px;background:radial-gradient(circle,rgba(0,194,79,.18),transparent 65%)}
.hero .glow.g2{width:560px;height:560px;left:-180px;bottom:-220px;background:radial-gradient(circle,rgba(65,182,230,.14),transparent 65%)}
.hero .container,.hero .narrow{position:relative;z-index:2}
.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.05;max-width:780px}
.hero .sub{font-size:19px;line-height:1.6;color:var(--nmuted);margin:20px 0 0;max-width:620px}
.hero .sub b{color:var(--ntext);font-weight:600}
.hero .fearline{font-size:16px;line-height:1.6;color:var(--nfaint);margin:18px 0 0;max-width:660px}
.hero .cta-row{margin-top:30px}
.kicker-chip{display:inline-block;font:600 12.5px var(--mono);letter-spacing:.06em;color:var(--green-br);background:rgba(26,166,77,.1);border:1px solid rgba(26,166,77,.3);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero h1 .accent{color:var(--green-br)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- sections ---------- */
section{position:relative}
section[id]{scroll-margin-top:84px}
.day{background:var(--paper);color:var(--ink);padding:84px 0}
.day.alt{background:var(--paper2)}
.night{background:var(--night2);color:var(--ntext);padding:88px 0}
.night.deep{background:var(--night)}
.eyebrow{font:600 12.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--green-deep);margin:0 0 16px}
.night .eyebrow{color:var(--green-br)}
.h2,section h2{font-size:clamp(28px,3.7vw,42px);line-height:1.12;max-width:760px}
.lede{font-size:19px;line-height:1.55;color:var(--ink-soft);margin:16px 0 0;max-width:680px}
.night .lede{color:var(--nmuted)}
.kicker{font:600 13px var(--mono);letter-spacing:.05em;color:var(--silver);text-transform:uppercase}
h3{font-family:var(--disp);font-weight:700}

/* ---------- layout helpers ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mt{margin-top:42px}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s}
.card.hover:hover{transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(16,32,26,.4);border-color:#c7d2cb}
.card h3{font-size:19px;color:var(--ink);margin:0 0 8px;letter-spacing:-.01em}
.card p{margin:0;font-size:14.5px;line-height:1.55;color:var(--ink-soft)}
.card .icon{font:600 13px var(--mono);color:var(--green-deep);margin-bottom:10px}
.card.aud{border-top:3px solid var(--green)}
.card.aud.blue{border-top-color:var(--blue)}
.card.aud.silver{border-top-color:var(--silver)}
.card .who{font:600 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:10px}

/* ---------- principles (border-top accent rows) ---------- */
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:42px}
.principle{background:#fff;border:1px solid var(--line);border-top:3px solid var(--green);border-radius:12px;padding:22px}
.principle h3{font-size:17px;color:var(--ink);margin:0 0 8px;letter-spacing:-.01em}
.principle p{margin:0;font-size:14px;line-height:1.5;color:var(--ink-soft)}

/* ---------- threat Q&A (security) ---------- */
.threat-q{display:inline-flex;align-items:center;gap:9px;font:600 13px var(--mono);color:var(--ink-soft);margin-bottom:12px}
.threat-q::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--danger);flex:none}
.answer-tag{display:inline-block;font:600 11.5px var(--mono);letter-spacing:.04em;color:var(--green-deep);background:rgba(0,132,61,.1);border:1px solid rgba(0,132,61,.28);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.spotlight{background:linear-gradient(135deg,#0d1117,#13231b);color:var(--ntext);border-radius:20px;padding:46px;margin-top:42px}
.spotlight .eyebrow,.spotlight .threat-q{color:var(--green-br)}
.spotlight h2{color:#fff}
.spotlight .lede{color:var(--nmuted)}
.spotlight .card{background:rgba(255,255,255,.03);border:1px solid var(--nline)}
.spotlight .card h3{color:var(--ntext)}
.spotlight .card p{color:var(--nmuted)}

/* ---------- prose ---------- */
.prose{max-width:760px}
.prose h2{margin-bottom:14px}
.prose p{font-size:17px;line-height:1.7;color:var(--ink-soft);margin:0 0 18px}
.prose p b{color:var(--ink)}

/* ---------- feature note (origin story) ---------- */
.fnote{background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:14px;padding:34px 38px;max-width:820px}
.fnote .lead{font:600 22px/1.4 var(--disp);color:var(--ink);letter-spacing:-.02em;margin:0 0 18px}
.fnote p{font-size:17px;line-height:1.75;color:var(--ink-soft);margin:0 0 16px}
.fnote p b{color:var(--ink)}
.fnote .sign{font:600 14px var(--mono);color:var(--silver);margin-top:22px}

/* ---------- credentials row ---------- */
.credrow{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.cred{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}
.cred .big{font:700 24px var(--disp);color:var(--green-deep);letter-spacing:-.02em;display:block;margin-bottom:8px}
.cred p{margin:0;font-size:14.5px;line-height:1.5;color:var(--ink-soft)}

/* ---------- terminal / dark product window ---------- */
.terminal,.window{background:#0c1118;border:1px solid #222c38;border-radius:14px;overflow:hidden;box-shadow:0 26px 60px -30px rgba(16,32,26,.55);color:var(--ntext)}
.terminal .bar,.window .bar{display:flex;align-items:center;gap:7px;padding:12px 14px;border-bottom:1px solid #1c2531;background:#11161d}
.terminal .bar i,.window .b-dot{width:11px;height:11px;border-radius:50%;display:block;background:#2d333b}
.terminal .bar .t,.window .url{margin-left:10px;font:12px var(--mono);color:var(--nfaint)}
.terminal pre{margin:0;padding:18px;font:13.5px/1.85 var(--mono);color:var(--nmuted);overflow-x:auto}
.terminal .in{color:var(--blue)}.terminal .bad{color:var(--danger)}.terminal .warnln{color:var(--warn)}.terminal .good{color:var(--grade-a)}
.window .body{padding:24px;font-size:14px;color:var(--nmuted)}
.window h4{font:700 16px var(--disp);color:var(--ntext);margin:0 0 12px}
.window table{border-collapse:collapse;width:100%;font:13px var(--body)}
.window th,.window td{border:1px solid #1c2531;padding:8px 11px;text-align:left}
.window th{background:#161d26;color:var(--nmuted);font-weight:600}

/* ---------- grade card (signature artifact) ---------- */
.gradecard{background:linear-gradient(180deg,#10161e,#0c1118);border:1px solid #232c38;border-radius:18px;padding:24px;color:var(--ntext);box-shadow:0 30px 70px -30px rgba(16,32,26,.5)}
.ring{width:108px;height:108px;border-radius:50%;display:grid;place-items:center;flex:none}
.ring .inner{width:82px;height:82px;border-radius:50%;background:#0c1118;display:grid;place-items:center;text-align:center}
.ring .score{font:700 28px var(--mono);font-variant-numeric:tabular-nums;line-height:1;color:var(--grade-a)}
.ring .glabel{font:600 10px var(--mono);letter-spacing:.14em;color:var(--grade-a);margin-top:5px}

/* ---------- screenshots ---------- */
.shot{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 18px 44px -22px rgba(16,32,26,.3)}
.shot img{display:block;width:100%}
.shot figcaption{padding:13px 18px;font-size:13.5px;color:var(--ink-soft);border-top:1px solid var(--line)}
.shots2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.figcap{font:13.5px var(--body);color:var(--ink-soft);margin:16px 0 0;text-align:center}

/* ---------- value anchor (pricing) ---------- */
.anchor{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:42px}
.col{border:1px solid var(--line);border-radius:16px;padding:28px}
.col.diy{background:var(--paper2)}
.col.us{background:#fff;border-color:rgba(0,132,61,.4)}
.col .tag{font:600 12px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft)}
.col.us .tag{color:var(--green-deep)}
.col h3{font-size:19px;color:var(--ink);margin:10px 0 16px}
.col ul{margin:0 0 18px;padding:0;list-style:none;display:grid;gap:10px}
.col li{font-size:14.5px;line-height:1.45;color:var(--ink-soft);padding-left:22px;position:relative}
.col.diy li::before{content:"+";position:absolute;left:0;color:var(--silver);font-weight:700}
.col.us li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
.col .total{font:700 28px var(--disp);color:var(--ink);letter-spacing:-.02em}
.col.diy .total{color:var(--ink-soft)}
.incidentline{font-size:16px;line-height:1.6;color:var(--ink-soft);margin-top:28px;text-align:center;max-width:760px;margin-left:auto;margin-right:auto}
.incidentline b{color:var(--ink)}

/* ---------- pricing tiers ---------- */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px}
.tier{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;display:flex;flex-direction:column}
.tier.feature{border:2px solid var(--green);box-shadow:0 22px 50px -30px rgba(0,132,61,.35)}
.tier .flag{position:absolute;top:-13px;left:24px;font:600 11px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:#fff;background:var(--green);border-radius:999px;padding:4px 12px}
.tier h3{font-size:19px;color:var(--ink)}
.tier .for{font-size:13.5px;color:var(--ink-soft);margin:6px 0 14px;min-height:38px}
.tier .price{font:700 32px var(--disp);color:var(--ink);letter-spacing:-.02em}
.tier .price small{font:500 14px var(--body);color:var(--ink-soft)}
.tier .per{font:12px var(--mono);color:var(--silver);margin:2px 0 16px}
.tier ul{margin:0 0 22px;padding:0;list-style:none;display:grid;gap:9px}
.tier li{font-size:13.5px;line-height:1.45;color:var(--ink-soft);padding-left:20px;position:relative}
.tier li::before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}
.tier .btn{margin-top:auto;justify-content:center}
.tiers-note{text-align:center;font-size:14.5px;color:var(--ink-soft);margin:32px auto 0;max-width:680px}
.tiers-note b{color:var(--ink)}

/* ---------- big quote ---------- */
.bigquote{font:500 clamp(22px,3vw,32px)/1.3 var(--disp);color:var(--ink);max-width:860px;margin:0 auto;text-align:center;letter-spacing:-.02em}
.bigquote .who{display:block;font:14px var(--body);color:var(--ink-soft);margin-top:20px;letter-spacing:0}

/* ---------- forms ---------- */
form.lead{max-width:560px}
.field{margin:0 0 18px}
.field label{display:block;font:600 14px var(--body);color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font:15px var(--body);padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(65,182,230,.18)}
.field textarea{resize:vertical;min-height:90px}
.formnote{font-size:13px;line-height:1.6;color:var(--ink-soft);margin-top:6px}
.form-ok{display:none;background:rgba(0,132,61,.08);border:1px solid rgba(0,132,61,.32);color:var(--green-deep);border-radius:12px;padding:16px 18px;font-size:15px}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,#0d1117,#13231b);color:var(--ntext);border-radius:22px;padding:56px 48px;text-align:center;position:relative;overflow:hidden}
.cta-band .glow{position:absolute;z-index:0;width:480px;height:480px;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;filter:blur(80px);background:radial-gradient(circle,rgba(0,194,79,.14),rgba(65,182,230,.07) 45%,transparent 68%);pointer-events:none}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{color:#fff;max-width:680px;margin:0 auto}
.cta-band p{color:var(--nmuted);max-width:580px;margin:16px auto 26px}
.cta-band .cta-row{justify-content:center}

/* ---------- footer ---------- */
footer.site{background:var(--night);border-top:1px solid rgba(255,255,255,.07);padding:56px 0 40px;color:var(--nmuted)}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot .brand{margin-bottom:12px}
.foot p{font-size:14px;line-height:1.6;color:var(--nfaint);max-width:280px;margin:0}
.foot h5{font:600 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--silver);margin:0 0 12px}
.foot a{display:block;color:var(--nmuted);font-size:14.5px;margin-bottom:8px}
.foot a:hover{color:var(--ntext);text-decoration:none}
.legalline{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);font:13px var(--body);color:var(--nfaint)}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .split,.shots2,.anchor{grid-template-columns:1fr;gap:30px}
  .principles,.tiers{grid-template-columns:repeat(2,1fr)}
  .grid3,.credrow{grid-template-columns:1fr}
  .spotlight,.cta-band{padding:36px}
}
@media(max-width:680px){
  .navlinks{display:none}
  .navburger{display:flex}
  .mobilemenu{display:block;position:fixed;top:66px;left:0;right:0;z-index:55;background:rgba(7,11,15,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--nline);padding:8px 24px 18px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .25s var(--ease),opacity .25s}
  .mobilemenu.open{transform:none;opacity:1;pointer-events:auto}
  .mobilemenu a{display:block;padding:13px 0;color:var(--ntext);font-size:16px;border-bottom:1px solid var(--nline)}
  .mobilemenu a.btn-primary{margin-top:14px;border:none;text-align:center;justify-content:center}
  .grid2,.principles,.tiers,.foot{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .day,.night{padding:64px 0}
  .hero{padding:116px 0 60px}
  .fnote{padding:26px 22px}
  .legalline{flex-direction:column;gap:6px}
}