/* ============================================================
   AuditHat — "Examiner-ready" design tokens
   ============================================================ */
:root{
  --bg:#F7F8FA;            /* light scene background */
  --navy:#0F1E3A;          /* alternate scene background */
  --surface:#FFFFFF;       /* card surface */
  --border:#E3E7EE;        /* 1px card border */
  --text:#111827;          /* text on light */
  --text-on-navy:#F3F4F6;  /* text on navy */
  --muted:#6B7280;         /* secondary text */
  --teal:#0EA5A4;          /* the one accent: CTAs, approved/closed, one underline */
  --teal-soft:rgba(14,165,164,.14);
  --red:#DC2626;           /* drift / finding */
  --amber:#D97706;         /* drift / finding */
  --green:#16A34A;         /* uptime-tile green only (scene 01 contrast) */
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --frag:clamp(44px,9.6vw,120px);     /* 88–120 desktop, 44–56 mobile */
  --sup:clamp(17px,1.4vw,20px);
  --radius:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.4;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
.placeholder{color:var(--amber);font-style:italic}

/* ---------- header ---------- */
.top{position:fixed;left:0;right:0;top:0;width:100%;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px clamp(14px,4vw,48px);backdrop-filter:blur(8px);background:rgba(247,248,250,.72);border-bottom:1px solid rgba(227,231,238,.6)}
.top{transition:background .3s,border-color .3s}
.top.dark{background:rgba(15,30,58,.72);border-bottom-color:rgba(255,255,255,.08)}
.top.dark .brand,.top.dark .topnav a:not(.btn){color:var(--text-on-navy)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em}
.topnav{display:flex;align-items:center;gap:clamp(10px,2vw,18px);font-size:14px;font-weight:500;color:var(--muted);flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--teal);color:#fff;font-weight:600;border-radius:999px;padding:12px 22px;border:0;cursor:pointer;transition:transform .2s var(--ease),filter .2s}
.btn:hover{filter:brightness(1.06)}
.btn-sm{padding:8px 14px;font-size:13px}
.btn-lg{padding:18px 34px;font-size:18px;margin-top:28px}

/* ---------- scenes ---------- */
.scene{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;gap:clamp(28px,5vh,56px);padding:clamp(96px,12vh,120px) clamp(16px,6vw,96px) clamp(48px,8vh,80px);overflow:hidden}
.scene:not(.cta-scene) .ill{width:min(100%,760px);align-self:flex-end}
.scene.navy{background:var(--navy);color:var(--text-on-navy)}
.scene.navy .sup{color:#C7CED9}
.label{position:absolute;left:clamp(16px,6vw,96px);top:clamp(88px,12vh,120px);font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--muted)}
.scene.navy .label{color:#8A94A6}
.copy{min-width:0}
.copy.center{text-align:center;max-width:none}
.frag{margin:0;font-size:var(--frag);font-weight:900;line-height:.92;letter-spacing:-.035em;text-transform:uppercase;word-break:normal;overflow-wrap:anywhere;max-width:14ch}
.frag em{font-style:normal;text-decoration:underline;text-decoration-color:var(--teal);text-decoration-thickness:.08em;text-underline-offset:.08em}
.sup{margin:18px 0 0;font-size:var(--sup);color:var(--muted);max-width:44ch;white-space:normal}
.copy.center .sup{margin-inline:auto}
.cta-scene{text-align:center;align-items:center}
.cta-scene .copy{position:relative;z-index:1}
.glow{position:absolute;left:50%;top:50%;width:min(90vw,900px);aspect-ratio:1;transform:translate(-50%,-50%) scale(0);border-radius:50%;background:radial-gradient(closest-side,rgba(14,165,164,.55),rgba(14,165,164,.12) 55%,transparent 72%);pointer-events:none}
.split .ch{display:inline-block;will-change:transform,opacity}

.ill{position:relative;min-width:0}

/* ---------- shared illustration bits ---------- */
.win-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;border-bottom:1px solid var(--border);font-size:12px;color:var(--muted)}
.win-bar span{width:9px;height:9px;border-radius:50%;background:#D5DAE3}
.win-bar b{margin-left:8px;font-weight:600;color:var(--text)}
.win-bar .ro{margin-left:auto;font-style:normal;font-size:11px;font-weight:600;color:var(--teal);background:var(--teal-soft);padding:3px 8px;border-radius:999px}
.rows{padding:6px 0}
.row{display:grid;grid-template-columns:auto 1fr auto auto;gap:10px;align-items:center;padding:9px 12px;font-size:13px;border-bottom:1px solid #F0F2F6}
.row:last-child{border-bottom:0}
.row em{font-style:normal;font-weight:600;min-width:64px}
.row small{color:var(--muted)}
.row.amber em{color:var(--amber)}
.tag{font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:3px 7px;border-radius:6px}
.tag.red{background:#FEE2E2;color:var(--red)}
.avatar{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;font-size:14px;letter-spacing:.02em;box-shadow:0 6px 18px rgba(15,30,58,.25)}
.scene.navy .avatar{background:var(--teal)}
.stamp{display:inline-block;font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:14px;color:var(--teal);border:3px solid var(--teal);border-radius:8px;padding:6px 12px;background:rgba(255,255,255,.85)}

/* 01 */
.ill-drift{height:min(400px,56vw)}
.uptime,.pulsewin{position:absolute;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 20px 50px rgba(15,30,58,.10);color:var(--text)}
.uptime{left:0;top:0;width:64%;max-width:420px}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:14px}
.tiles i{display:block;aspect-ratio:1.6;border-radius:6px;background:#DCFCE7;border:1px solid #BBF7D0;position:relative}
.tiles i::after{content:"";position:absolute;left:8px;top:8px;width:7px;height:7px;border-radius:50%;background:var(--green)}
.uptime-foot{padding:0 14px 14px;font-size:12px;color:var(--green);font-weight:600}
.pulsewin{right:0;bottom:0;width:78%;max-width:520px}

/* 03 */
.ill-gap{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start}
.counter{display:flex;flex-direction:column;align-items:flex-start}
.counter .num{font-size:clamp(72px,10vw,140px);font-weight:900;line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums;display:inline-block}
.counter .unit{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.approved{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 50px rgba(15,30,58,.08);max-height:min(360px,50vh)}
.col-head{padding:10px 14px;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--border)}
.col-rows{display:grid;grid-template-columns:1fr 1fr;gap:0 14px;padding:6px 14px}
.col-rows i{display:block;height:15px;border-bottom:1px dashed #E3E7EE;position:relative}
.col-rows i:first-child::after{content:"";position:absolute;left:0;top:3px;width:2px;height:9px;background:var(--text);animation:blink 1s steps(2,start) infinite}
@keyframes blink{to{visibility:hidden}}

/* 04 */
.log{display:grid;grid-template-columns:repeat(3,1fr);gap:0 14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:12px 14px}
.lrow{display:flex;align-items:center;gap:8px;height:26px;font-size:11px;line-height:1;color:#C7CED9;border-bottom:1px solid rgba(255,255,255,.07);opacity:0}
.lrow>*{line-height:1}
.lrow .chk{width:14px;height:14px;border-radius:50%;background:var(--teal);display:inline-grid;place-items:center;color:#fff;font-size:9px;font-weight:900;transform:scale(0)}
.lrow .who{color:#8A94A6;min-width:26px}
.lrow .what{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lrow .tag.red{background:rgba(220,38,38,.18);color:#FCA5A5}
.lrow.bad .chk{background:var(--red)}

/* 05 / 06 / 07 lines */
.lines{width:100%;height:auto;overflow:visible}
.lines path{fill:none;stroke:#94A3B8;stroke-width:4;stroke-linecap:round}
.scene.navy .lines path{stroke:#64748B}
.lines .bent{opacity:0;stroke:var(--amber)}
.lines text{font-size:13px;font-weight:600;fill:var(--muted);opacity:0}
.scene.navy .lines text{fill:#C7CED9}
.lines.one{max-width:640px;display:block;margin-left:auto}
.ill-baseline,.ill-fix{position:relative;padding-top:48px}
.owner{position:absolute;left:52%;top:0;display:flex;align-items:center;gap:10px}
.owner .ticket{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:600;color:var(--text-on-navy);font-size:15px;background:rgba(255,255,255,.08);padding:6px 10px;border-radius:8px}
.pair{position:absolute;left:0;right:0;top:0;display:flex;justify-content:space-between;align-items:center;padding:0 8%}
.pair .who{flex-direction:column;width:56px;height:56px;gap:0}
.pair .who small{font-size:8px;font-weight:600;letter-spacing:.04em}
.pair .stamp{opacity:0}

/* 08 */
.findings{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:6px 0}
.frow{display:flex;justify-content:space-between;align-items:center;padding:11px 16px;font-size:14px;border-bottom:1px solid rgba(255,255,255,.07);opacity:0}
.frow:last-child{border-bottom:0}
.chip{font-style:normal;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:4px 10px;border-radius:999px;background:rgba(220,38,38,.18);color:#FCA5A5;transition:background .3s,color .3s}
.chip.amber{background:rgba(217,119,6,.2);color:#FCD34D}
.chip.green{background:var(--teal-soft);color:#5EEAD4}

/* 09 */
.doc{display:grid;grid-template-columns:1fr 60px;gap:12px;max-width:460px;margin-left:auto}
.doc-page{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:22px 22px 26px;box-shadow:0 20px 50px rgba(15,30,58,.10);opacity:0}
.doc-title{display:block;font-size:13px;margin-bottom:14px}
.doc-page i{display:block;height:8px;border-radius:4px;background:#E5E9F0;margin:9px 0}
.doc-page i.short{width:62%}
.margin{display:flex;flex-direction:column;justify-content:space-around;padding:20px 0}
.mark{display:block;width:34px;height:12px;border-radius:6px;background:var(--teal);transform:scale(0);box-shadow:0 4px 10px rgba(14,165,164,.35)}
.mark:nth-child(even){width:26px}

/* 10 */
.stack{position:relative;height:300px;max-width:420px;margin-left:auto}
.stack .card,.stack .page{position:absolute;left:0;right:0;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:16px;box-shadow:0 16px 40px rgba(0,0,0,.25)}
.stack .card b,.stack .page b{display:block;font-size:13px;margin-bottom:10px}
.stack i{display:block;height:7px;border-radius:4px;background:#E5E9F0;margin:7px 0}
.stack i.short{width:55%}
.stack .c1{top:0;transform:rotate(-4deg)}
.stack .c2{top:70px;transform:rotate(2deg)}
.stack .c3{top:140px;transform:rotate(-1deg)}
.stack .page{top:40px;opacity:0;padding-bottom:28px}
.stack .reviewed{position:absolute;right:16px;bottom:14px;opacity:0;transform:rotate(-8deg) translateY(-30px)}

/* 11 */
.ill-call{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
.cal{width:96px;height:96px;position:relative;perspective:600px}
.cal .face{position:absolute;inset:0;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;backface-visibility:hidden;border:1px solid var(--border);background:var(--surface);box-shadow:0 12px 30px rgba(15,30,58,.10)}
.cal .face small{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.cal .face b{font-size:30px;font-weight:900;line-height:1}
.cal .back{transform:rotateY(180deg);background:var(--teal);color:#fff;border-color:var(--teal)}
.cal .back small{color:rgba(255,255,255,.85)}
.cal .back b{font-size:20px}
.callrow{display:flex;align-items:center;gap:16px}
.callrow .avatar{opacity:0}
.callrow .you{background:var(--teal)}
.packet{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px;box-shadow:0 12px 30px rgba(15,30,58,.10);opacity:0}
.packet b{display:block;font-size:12px;margin-bottom:10px}
.hl{display:block;height:9px;border-radius:5px;background:#E5E9F0;margin:8px 0;position:relative;overflow:hidden}
.hl.short{width:60%}
.hl span{position:absolute;inset:0;background:var(--teal-soft);border-left:3px solid var(--teal);transform:scaleX(0);transform-origin:left}

/* 12 */
.ill-examiner{position:relative;min-height:260px}
.share .field{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:10px 10px 10px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;max-width:460px;min-height:46px}
.share .field .type{flex:1;white-space:nowrap;overflow:hidden}
.copybtn{background:var(--teal);color:#fff;border:0;border-radius:8px;padding:7px 12px;font-weight:600;font-family:var(--font);font-size:13px}
.examwin{position:absolute;right:0;top:80px;width:min(88%,440px);background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 20px 50px rgba(0,0,0,.35);opacity:0;transform:translateX(60px)}

/* 13 */
.icons{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ic{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--muted);opacity:.3}
.ic svg{width:56px;height:56px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;color:var(--navy)}
.ic.on{opacity:1}
.ic.on svg{color:var(--teal)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px}
.stat b{display:block;font-size:40px;font-weight:900;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:var(--muted)}

/* ---------- static sections ---------- */
.static{padding:clamp(56px,9vh,96px) clamp(16px,6vw,96px);max-width:1200px;margin:0 auto}
.static-h{font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.02em;margin:0 0 28px}
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.fcard svg{width:28px;height:28px;fill:none;stroke:var(--teal);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fcard h3{margin:14px 0 6px;font-size:16px}
.fcard p{margin:0;font-size:14px;color:var(--muted)}
.why p{font-size:18px;line-height:1.55;max-width:70ch;margin:0}
.faq details{border-top:1px solid var(--border);padding:14px 0}
.faq details:last-child{border-bottom:1px solid var(--border)}
.faq summary{cursor:pointer;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";color:var(--teal);font-weight:900;font-size:20px}
.faq details[open] summary::after{content:"–"}
.faq p{margin:10px 0 0;color:var(--muted);max-width:70ch;line-height:1.55}
.foot{background:var(--navy);color:#C7CED9;padding:36px clamp(16px,6vw,96px);display:flex;flex-wrap:wrap;gap:18px 32px;align-items:center;justify-content:space-between;font-size:14px}
.foot nav{display:flex;gap:22px}
.foot nav a:hover{color:#fff}
.foot-copy{width:100%;font-size:12px;color:#8A94A6}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .scene{gap:28px;padding-top:92px;justify-content:flex-start}
  .scene:not(.cta-scene) .ill{align-self:stretch}
  .label{position:static;display:block;margin-bottom:-8px}
  .cta-scene{justify-content:center}
  .cta-scene .label{position:absolute}
  .cards4{grid-template-columns:1fr 1fr}
  .ill-gap{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr 1fr}
  .log{grid-template-columns:1fr 1fr}
  .icons{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:560px){
  :root{--frag:clamp(44px,13.5vw,56px)}
  .cards4{grid-template-columns:1fr}
  .log{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .icons{grid-template-columns:1fr 1fr}
  .ill-drift{height:360px}
  .uptime{width:80%}
  .pulsewin{width:96%}
  .examwin{position:static;width:100%;transform:none;margin-top:16px}
}
/* Reduced motion: every scene shows its end state; main.js also skips timelines */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .col-rows i:first-child::after{animation:none}
}

/* roadmap labels */
.soon{font-size:9px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);vertical-align:super;margin-left:2px}
.soon-tag{display:inline-block;margin-left:10px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);border:1px solid rgba(217,119,6,.5);background:rgba(217,119,6,.08);vertical-align:middle;white-space:nowrap}
.soon-tag.big{font-size:12px;padding:4px 11px}
.static-sub{margin:-16px 0 24px;color:var(--muted);font-size:15px}

/* neon brand mark */
.brand .brand-mark{filter:drop-shadow(0 0 6px rgba(45,212,191,.55))}

/* 02 — what is drift */
.ill-explain{width:100%!important;align-self:stretch!important}
.driftgraph{width:100%;height:auto;max-width:760px;display:block;margin-left:auto}
.driftgraph path{fill:none;stroke-width:4;stroke-linecap:round}
.driftgraph .base{stroke:var(--teal)}
.driftgraph .today{stroke:var(--amber)}
.driftgraph .lbl{font:600 13px var(--font);fill:#C7CED9}
.driftgraph .today-l{fill:#FCD34D}
.driftgraph .ev circle{fill:var(--amber);stroke:#0F1E3A;stroke-width:3;transform:scale(0);transform-box:fill-box;transform-origin:center}
.driftgraph .ev text{font:600 12px var(--font);fill:#F3F4F6;text-anchor:middle;opacity:0}
.explain3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.xcard{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:16px 18px;opacity:0}
.xcard b{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#5EEAD4;margin-bottom:6px}
.xcard p{margin:0;font-size:14px;line-height:1.5;color:#C7CED9}
@media (max-width:760px){.explain3{grid-template-columns:1fr}.driftgraph .ev text{font-size:11px}}