/* EngliTrace shared design tokens + primitives */
:root{
  --navy:#0A1F3C;
  --navy-2:#123056;
  --ink:#0F2540;
  --muted:#5B7189;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --line:#E3EAF2;
  --teal:#0FB5A5;
  --teal-dark:#0B8F83;
  --teal-soft:#E4F7F4;
  --amber:#B7791F;
  --amber-soft:#FBF3E2;
  --red:#C2453E;
  --red-soft:#FBECEB;
  --blue-soft:#E8F0FE;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 6px 24px rgba(10,31,60,.07);
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.55;
  min-height:100vh;
}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- header ---------- */
.site-header{
  background:var(--navy);
  color:#fff;
  padding:14px 28px;
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  position:sticky;top:0;z-index:50;
}
.site-header .brand{display:flex;align-items:center;gap:12px;min-width:0}
.site-header .brand img{height:42px;width:auto}
.site-header .brand .wordmark{font-size:1.15rem;font-weight:700;letter-spacing:.01em}
.site-header .portal-name{
  font-size:.95rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:#9FD8D1;border-left:1px solid rgba(255,255,255,.22);padding-left:18px;
}
.site-header .spacer{flex:1}
.demo-badge{
  background:var(--teal);color:#04322D;font-size:.95rem;font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;white-space:nowrap;
}
.site-nav{display:flex;gap:6px;flex-wrap:wrap}
.site-nav a{
  color:#D7E3F2;font-size:.95rem;font-weight:600;padding:7px 12px;border-radius:8px;
}
.site-nav a:hover{background:rgba(255,255,255,.12);text-decoration:none}
.site-nav a[aria-current="page"]{background:var(--teal);color:#04322D}

/* ---------- layout ---------- */
.page{max-width:1280px;margin:0 auto;padding:28px 24px 72px}
.page-title{font-size:clamp(1.7rem,2.6vw,2.35rem);font-weight:750;letter-spacing:-.015em;line-height:1.15}
.page-sub{color:var(--muted);font-size:1.02rem;margin-top:6px;max-width:62ch}
.section-label{
  font-size:.95rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--teal-dark);
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 22px;
}
.card h2,.card h3{line-height:1.25}
.card h2{font-size:1.18rem;font-weight:700}
.card h3{font-size:1.02rem;font-weight:650}

/* ---------- controls ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);border:1px solid transparent;
  padding:10px 18px;font-size:.95rem;font-weight:650;cursor:pointer;
  transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.btn:focus-visible{outline:3px solid var(--teal);outline-offset:2px}
.btn-primary{background:var(--teal);color:#04322D}
.btn-primary:hover{background:var(--teal-dark);color:#fff}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-secondary:hover{border-color:var(--teal);color:var(--teal-dark)}
.btn-danger{background:#fff;border-color:#E7B9B5;color:var(--red)}
.btn-danger:hover{background:var(--red-soft)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:.95rem;font-weight:650;color:var(--muted);letter-spacing:.02em}
.field input[type=text],.field input[type=number],.field select,.field textarea{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:10px 12px;background:#fff;width:100%;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{
  outline:3px solid var(--teal);outline-offset:1px;border-color:var(--teal)
}
.field-hint{font-size:.95rem;color:var(--muted)}
.filters{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.filters .field{margin-bottom:0;min-width:170px}

/* ---------- chips & status ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.95rem;font-weight:700;letter-spacing:.03em;
  padding:5px 11px;border-radius:999px;white-space:nowrap;
}
.chip-draft{background:#EEF2F7;color:#5B7189}
.chip-needs_review{background:var(--amber-soft);color:var(--amber)}
.chip-approved{background:var(--blue-soft);color:#2B5CB8}
.chip-published{background:var(--teal-soft);color:var(--teal-dark)}
.chip-failed{background:var(--red-soft);color:var(--red)}
.chip-sim{background:#EEF2F7;color:#5B7189;border:1px dashed #B9C6D6}
.chip-src{background:#fff;border:1px solid var(--line);color:var(--muted);font-weight:600}

.status-line{font-size:.95rem;color:var(--muted);min-height:1.4em}
.status-line[data-tone="ok"]{color:var(--teal-dark)}
.status-line[data-tone="warn"]{color:var(--amber)}
.status-line[data-tone="err"]{color:var(--red)}

/* ---------- generic pieces ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.kpi .kpi-label{font-size:.95rem;font-weight:650;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.kpi .kpi-value{font-size:2rem;font-weight:750;letter-spacing:-.02em;margin-top:4px;line-height:1.1}
.kpi .kpi-note{font-size:.95rem;color:var(--muted);margin-top:4px}

.bar-row{display:grid;grid-template-columns:120px 1fr 46px;gap:10px;align-items:center;margin:8px 0}
.bar-row .bar-label{font-size:.95rem;color:var(--muted);font-weight:600}
.bar-track{background:#EDF2F8;border-radius:999px;height:10px;overflow:hidden}
.bar-fill{background:var(--teal);height:100%;border-radius:999px}
.bar-fill.alt{background:var(--navy-2)}
.bar-val{font-size:.95rem;font-weight:700;text-align:right}

table.data{width:100%;border-collapse:collapse;font-size:.95rem}
table.data th{
  text-align:left;font-size:.95rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);
  padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}
table.data tr:last-child td{border-bottom:none}
table.data tbody tr:hover{background:#F9FBFD}

.empty-state{
  border:1px dashed #C6D2E0;border-radius:var(--radius);background:#FBFDFF;
  padding:38px 22px;text-align:center;color:var(--muted);
}
.empty-state strong{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:6px}
.error-state{
  border:1px solid #E7B9B5;background:var(--red-soft);border-radius:var(--radius);
  padding:16px 18px;color:#8E2F2A;font-size:.95rem;
}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:12px;top:-48px;background:var(--teal);color:#04322D;
  padding:10px 14px;border-radius:8px;font-weight:700;z-index:100;transition:top .15s ease;
}
.skip-link:focus{top:12px}

.site-footer{
  border-top:1px solid var(--line);margin-top:56px;padding:22px 24px 34px;
  color:var(--muted);font-size:.95rem;text-align:center;
}
.site-footer strong{color:var(--ink)}

/* evidence strip: linked original <-> structured */
.evidence{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:18px}
.sheet-frame{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;
  max-height:640px;overflow:auto;
}
.sheet-frame svg{width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
.sheet-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;align-items:center}

.timeline{border-left:2px solid var(--line);padding-left:18px;display:flex;flex-direction:column;gap:14px}
.timeline .tl-item{position:relative}
.timeline .tl-item::before{
  content:"";position:absolute;left:-25px;top:6px;width:10px;height:10px;border-radius:50%;
  background:var(--teal);border:2px solid #fff;box-shadow:0 0 0 1px var(--teal);
}
.timeline .tl-when{font-size:.95rem;color:var(--muted);font-weight:650;letter-spacing:.03em}
.timeline .tl-what{font-size:.95rem}

@media (max-width:960px){
  .grid-2,.grid-3,.grid-4,.evidence{grid-template-columns:1fr}
  .site-header{padding:12px 16px}
  .site-header .portal-name{border-left:none;padding-left:0;width:100%}
  .page{padding:20px 14px 60px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition:none!important;animation:none!important;scroll-behavior:auto!important;
  }
}

/* ============ effects layer ============ */
.et-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:200;
  background:linear-gradient(90deg,var(--teal),#38BDF8 55%,var(--navy-2));
  transform:scaleX(0);transform-origin:0 50%;
  pointer-events:none;
}
.site-header{
  transition:background .25s ease,box-shadow .25s ease,padding .25s ease;
}
.site-header.is-scrolled{
  background:rgba(10,31,60,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(10,31,60,.22);
}

/* entrance */
.et-reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .55s ease var(--et-delay,0ms),transform .55s cubic-bezier(.2,.7,.25,1) var(--et-delay,0ms);
}
.et-reveal.is-in{opacity:1;transform:none}

/* hover gloss sweep */
.et-gloss{position:relative;overflow:hidden}
.et-gloss::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.45) 46%,rgba(15,181,165,.14) 54%,transparent 68%);
  transform:translateX(-120%);opacity:0;
  transition:transform .7s ease,opacity .5s ease;
}
@media (hover:hover){
  .et-gloss:hover::after{transform:translateX(120%);opacity:1}
}
.btn.et-gloss::after{background:linear-gradient(115deg,transparent 32%,rgba(255,255,255,.55) 50%,transparent 68%)}

/* magnetic buttons smooth return */
.btn{transition:transform .18s ease,background .15s ease,border-color .15s ease,color .15s ease,box-shadow .18s ease}
.btn-primary{box-shadow:0 8px 22px rgba(15,181,165,.28)}
.btn-primary:hover{box-shadow:0 12px 28px rgba(15,181,165,.38)}

/* demo badge pulse */
.et-pulse{position:relative}
.et-pulse::before{
  content:"";position:absolute;inset:-3px;border-radius:999px;
  border:2px solid var(--teal);opacity:.55;
  animation:etPulse 2.4s ease-out infinite;
}
@keyframes etPulse{
  0%{transform:scale(.92);opacity:.6}
  70%{transform:scale(1.12);opacity:0}
  100%{transform:scale(1.12);opacity:0}
}

/* hero glow accent (portal) */
.et-hero-glow{
  position:relative;isolation:isolate;overflow:hidden;
}
.et-hero-glow::before{
  content:"";position:absolute;inset:-40% -20% auto -20%;height:120%;
  background:
    radial-gradient(60% 70% at 18% 20%,rgba(15,181,165,.30),transparent 60%),
    radial-gradient(55% 65% at 85% 18%,rgba(56,189,248,.22),transparent 62%),
    radial-gradient(50% 60% at 60% 90%,rgba(124,62,206,.18),transparent 65%);
  animation:etDrift 16s ease-in-out infinite alternate;
  z-index:-1;
}
@keyframes etDrift{
  0%{transform:translate3d(0,0,0) scale(1)}
  100%{transform:translate3d(-2.5%,2%,0) scale(1.05)}
}

/* underline sweep for section labels */
.section-label{position:relative;display:inline-block;padding-bottom:4px}
.section-label::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:2.2em;
  background:linear-gradient(90deg,var(--teal),transparent);
  border-radius:2px;
}

/* page title gradient accent word */
.tg{
  background:linear-gradient(92deg,var(--teal-dark),#38BDF8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* entry/hero text shimmer (subtle) */
.hero h1{position:relative}
.hero h1::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.30) 50%,transparent 62%);
  background-size:220% 100%;
  animation:etShine 6.5s linear infinite;
  pointer-events:none;
}
@keyframes etShine{
  0%{background-position:130% 0}
  100%{background-position:-130% 0}
}

/* timeline accent */
.timeline{border-left-color:transparent;background-image:linear-gradient(var(--teal),var(--line));background-size:2px 100%;background-repeat:no-repeat;background-position:0 0}

/* focus ring consistency */
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--teal);outline-offset:2px;border-radius:6px;
}

@media (prefers-reduced-motion:reduce){
  .et-progress{transition:none}
  .et-reveal{opacity:1;transform:none;transition:none}
  .et-gloss::after{display:none}
  .et-pulse::before{animation:none;display:none}
  .et-hero-glow::before{animation:none}
  .hero h1::after{animation:none;display:none}
}