:root{
  --bg:#06101c;
  --bg-deep:#030a12;
  --surface:#0b1929;
  --surface-2:#10243a;
  --surface-3:#142b44;
  --text:#f3f7fc;
  --muted:#91a4ba;
  --muted-strong:#b8c5d4;
  --line:rgba(183,209,237,.11);
  --line-strong:rgba(183,209,237,.18);
  --accent:#58dec1;
  --accent-strong:#31cda9;
  --accent-soft:rgba(88,222,193,.10);
  --accent-2:#78adff;
  --accent-2-soft:rgba(120,173,255,.10);
  --warn:#f0bd67;
  --danger:#ff858d;
  --shadow-sm:0 10px 30px rgba(0,0,0,.18);
  --shadow-md:0 24px 70px rgba(0,0,0,.30);
  --shadow-glow:0 0 0 1px rgba(88,222,193,.06),0 24px 80px rgba(8,23,39,.45);
  --r-sm:12px;
  --r-md:18px;
  --r-lg:28px;
  --container:1380px;
  --header-h:88px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  overflow-x:hidden;
  color:var(--text);
  font-family:"IBM Plex Sans Arabic","Noto Sans Arabic","Segoe UI",Tahoma,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  background:
    radial-gradient(850px 520px at 8% 4%,rgba(51,179,191,.10),transparent 66%),
    radial-gradient(820px 540px at 92% 7%,rgba(74,126,225,.09),transparent 68%),
    linear-gradient(180deg,#071321 0%,var(--bg) 42%,var(--bg-deep) 100%);
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:.32;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(to bottom,black,transparent 70%);
}

button,input,select{font:inherit}
button{cursor:pointer}
a{color:inherit}
::selection{background:rgba(88,222,193,.26);color:#fff}

.skip-link{
  position:fixed;
  inset-inline-start:18px;
  top:-80px;
  z-index:999;
  padding:11px 16px;
  border-radius:10px;
  color:#04130f;
  background:var(--accent);
  font-weight:800;
  transition:top .2s ease;
}
.skip-link:focus{top:14px}

.site-frame{min-height:100vh}
.shell{width:min(var(--container),calc(100% - 48px));margin-inline:auto}

/* Full-width application header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  width:100%;
  min-height:var(--header-h);
  border-bottom:1px solid var(--line);
  background:rgba(5,14,25,.78);
  box-shadow:0 12px 38px rgba(0,0,0,.16);
  backdrop-filter:blur(22px) saturate(130%);
  -webkit-backdrop-filter:blur(22px) saturate(130%);
}
.site-header::after{
  content:"";
  position:absolute;
  inset-inline:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(88,222,193,.32),rgba(120,173,255,.22),transparent);
}
.header-inner{
  width:min(var(--container),calc(100% - 48px));
  min-height:var(--header-h);
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{
  flex:0 1 auto;
  min-width:0;
  display:flex;
  align-items:center;
  gap:13px;
  color:inherit;
  text-decoration:none;
}
.brand b{
  position:relative;
  isolation:isolate;
  width:48px;
  height:48px;
  flex:0 0 48px;
  display:grid;
  place-items:center;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  border-radius:15px;
  color:#04130f;
  background:linear-gradient(145deg,#8ef1d9 0%,var(--accent) 48%,#55c8df 100%);
  box-shadow:0 12px 28px rgba(49,205,169,.20);
  font-size:22px;
  font-weight:900;
}
.brand b::after{
  content:"";
  position:absolute;
  z-index:-1;
  width:32px;
  height:70px;
  top:-18px;
  inset-inline-start:-18px;
  transform:rotate(35deg);
  background:rgba(255,255,255,.26);
}
.brand strong{display:block;font-size:17px;line-height:1.3;letter-spacing:-.01em}
.brand small{
  display:block;
  max-width:470px;
  margin-top:4px;
  overflow:hidden;
  color:var(--muted);
  font-size:12px;
  line-height:1.25;
  text-overflow:ellipsis;
  white-space:nowrap;
}
nav{display:flex;align-items:center;gap:7px;flex-wrap:nowrap}
nav button,
button{
  min-height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:10px 15px;
  color:var(--muted-strong);
  background:rgba(255,255,255,.025);
  font-weight:650;
  line-height:1;
  transition:transform .18s ease,border-color .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
nav button[data-go]{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
nav button[data-go]::before{
  content:attr(data-icon);
  display:grid;
  place-items:center;
  width:20px;
  color:#7f9bb9;
  font-size:12px;
  transition:color .18s ease;
}
button:hover{
  transform:translateY(-1px);
  border-color:rgba(88,222,193,.32);
  color:var(--text);
  background:rgba(88,222,193,.06);
}
nav button.active,
nav button[aria-current="page"]{
  border-color:rgba(88,222,193,.27);
  color:#edfff9;
  background:linear-gradient(180deg,rgba(88,222,193,.12),rgba(88,222,193,.055));
  box-shadow:inset 0 0 0 1px rgba(88,222,193,.035),0 8px 26px rgba(0,0,0,.15);
}
nav button.active::before,nav button[aria-current="page"]::before{color:var(--accent)}
.language-switch{
  min-width:49px;
  padding-inline:12px;
  color:var(--text);
  background:rgba(120,173,255,.07);
}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{
  outline:3px solid rgba(88,222,193,.28);
  outline-offset:3px;
}

/* Main landing hero */
main{min-height:calc(100vh - var(--header-h) - 160px)}
.hero{
  position:relative;
  isolation:isolate;
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(330px,.75fr);
  gap:0;
  margin-top:52px;
  margin-bottom:32px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:34px;
  background:
    radial-gradient(600px 330px at 84% 15%,rgba(88,222,193,.09),transparent 66%),
    radial-gradient(560px 320px at 22% 110%,rgba(120,173,255,.11),transparent 68%),
    linear-gradient(145deg,rgba(17,39,62,.98),rgba(8,23,39,.98));
  box-shadow:var(--shadow-glow);
}
.hero::before{
  content:"";
  position:absolute;
  inset-inline:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),transparent);
  opacity:.72;
}
.hero::after{
  content:"PMP";
  position:absolute;
  z-index:-1;
  inset-inline-start:2.5%;
  bottom:-78px;
  color:rgba(255,255,255,.018);
  font-size:210px;
  font-weight:950;
  letter-spacing:-.08em;
  direction:ltr;
  pointer-events:none;
}
.hero-copy{
  padding:clamp(42px,5vw,78px);
  border:0;
  background:transparent;
  box-shadow:none;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:34px;
  border:1px solid rgba(88,222,193,.25);
  border-radius:999px;
  padding:7px 13px;
  color:#75efd4;
  background:rgba(88,222,193,.075);
  font-size:12px;
  font-weight:800;
  letter-spacing:.01em;
}
.eyebrow::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 5px rgba(88,222,193,.08);
}
.hero h1{
  max-width:850px;
  margin:24px 0 18px;
  font-size:clamp(42px,5.2vw,72px);
  line-height:1.08;
  letter-spacing:-.045em;
  text-wrap:balance;
}
.hero p,.muted{color:var(--muted);line-height:1.85}
.hero p{max-width:760px;margin:0;font-size:18px}
.actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:30px}
.primary{
  border-color:transparent;
  color:#031510;
  background:linear-gradient(135deg,#9af2de 0%,var(--accent) 48%,#70dbe4 100%);
  box-shadow:0 12px 30px rgba(49,205,169,.17);
  font-weight:850;
}
.primary:hover{
  border-color:transparent;
  color:#031510;
  background:linear-gradient(135deg,#b0f7e6 0%,#6be9cc 48%,#84e3ea 100%);
  box-shadow:0 16px 36px rgba(49,205,169,.23);
}
.secondary{color:var(--text);background:rgba(120,173,255,.075)}
.hero-stats{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-content:center;
  gap:12px;
  padding:32px;
  border:0;
  border-inline-start:1px solid var(--line);
  border-radius:0;
  background:rgba(2,12,22,.22);
  box-shadow:none;
}
.metric{
  position:relative;
  min-height:134px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  padding:21px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(145deg,rgba(255,255,255,.038),rgba(255,255,255,.014));
}
.metric::after{
  content:"";
  position:absolute;
  width:72px;
  height:72px;
  inset-inline-end:-30px;
  top:-32px;
  border-radius:50%;
  background:rgba(88,222,193,.08);
}
.metric strong{
  position:relative;
  z-index:1;
  color:var(--accent);
  font-size:30px;
  font-weight:900;
  line-height:1;
  letter-spacing:-.03em;
  direction:ltr;
}
.metric span{position:relative;z-index:1;color:var(--muted-strong);font-size:13px;line-height:1.55}

/* Feature cards */
.features,.grid,.stats{display:grid;gap:18px;margin-bottom:64px}
.features{grid-template-columns:repeat(3,1fr)}
.card,.module,.panel,.quiz,.stat,.task-skill-card{
  border:1px solid var(--line);
  background:linear-gradient(155deg,rgba(17,38,60,.88),rgba(8,23,39,.92));
  box-shadow:var(--shadow-sm);
}
.card{
  position:relative;
  min-height:218px;
  padding:27px;
  overflow:hidden;
  border-radius:22px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card::before{
  content:"";
  position:absolute;
  inset-inline-start:0;
  top:0;
  width:90px;
  height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.card:hover{transform:translateY(-4px);border-color:rgba(120,173,255,.22);box-shadow:0 22px 48px rgba(0,0,0,.22)}
.card i{
  width:50px;
  height:50px;
  display:grid;
  place-items:center;
  border:1px solid rgba(120,173,255,.13);
  border-radius:15px;
  color:#8ebcff;
  background:linear-gradient(145deg,rgba(120,173,255,.14),rgba(120,173,255,.045));
  font-style:normal;
  font-size:18px;
  font-weight:800;
  direction:ltr;
}
.card h3{margin:21px 0 10px;font-size:19px;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}

/* Common page headers and controls */
.viewhead{padding:52px 0 25px}
.viewhead h1{margin:0 0 10px;font-size:clamp(34px,4.6vw,56px);line-height:1.16;letter-spacing:-.035em}
.viewhead p{max-width:820px;margin:0;color:var(--muted);font-size:16px;line-height:1.85}
.toolbar{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  padding:12px;
  margin-bottom:22px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(9,24,40,.72);
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(12px);
}
.toolbar input,.toolbar select,.setup select,.order-row select,.match-row select{
  min-height:46px;
  border:1px solid var(--line);
  border-radius:11px;
  padding:0 14px;
  color:var(--text);
  background:#0a1929;
}
.toolbar input{flex:1;min-width:240px}
.toolbar input::placeholder{color:#6f849c}

/* Module and knowledge cards */
.grid{grid-template-columns:repeat(3,1fr)}
.module{
  position:relative;
  min-height:310px;
  display:flex;
  flex-direction:column;
  padding:26px;
  overflow:hidden;
  border-radius:22px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.module:hover{transform:translateY(-3px);border-color:rgba(88,222,193,.22);box-shadow:0 22px 50px rgba(0,0,0,.23)}
.module::after{
  content:"";
  position:absolute;
  width:120px;
  height:120px;
  inset-inline-end:-55px;
  top:-55px;
  border-radius:50%;
  background:rgba(120,173,255,.055);
}
.module .num,.num{color:var(--accent);font-size:12px;font-weight:850;letter-spacing:.07em;direction:ltr}
.module .icon{margin:22px 0 11px;color:#8dbbff;font-size:31px}
.module h3{margin:0 0 11px;font-size:19px;line-height:1.5}
.module p{flex:1;margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.meta{display:flex;justify-content:space-between;gap:10px;margin-top:18px;color:var(--muted);font-size:11px}
.module button{width:100%;margin-top:17px}
.module-card-top,.mini-progress-top,.lesson-labels,.mini-head,.lesson-topbar,.task-skill-head,.bp-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.mini-progress{margin-top:17px}
.mini-progress .track{height:5px;margin:8px 0 0}
.mini-progress-top{color:var(--muted);font-size:11px}

.panel,.quiz{margin-bottom:28px;padding:clamp(22px,3vw,34px);border-radius:26px}
.modulehead{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:start}
.modulehead h1,.concept h1{margin:6px 0 12px;font-size:clamp(30px,4vw,48px);line-height:1.24}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}
.tag,.badge{
  display:inline-flex;
  align-items:center;
  min-height:27px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 9px;
  color:var(--muted-strong);
  background:rgba(255,255,255,.025);
  font-size:10px;
  font-weight:720;
  line-height:1;
}
.badge.core{color:var(--accent);border-color:rgba(88,222,193,.24);background:rgba(88,222,193,.07)}
.badge.supporting{color:#8dbbff;border-color:rgba(120,173,255,.23);background:rgba(120,173,255,.07)}
.badge.advanced{color:var(--warn);border-color:rgba(240,189,103,.24);background:rgba(240,189,103,.07)}
.concepts{display:grid;gap:10px;margin-top:24px}
.conceptbtn{text-align:start;padding:18px;border-radius:14px;background:rgba(255,255,255,.018)}
.conceptbtn strong{display:block;margin-bottom:6px}
.conceptbtn span{color:var(--muted);font-size:13px;line-height:1.65}
.conceptlayout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:22px}
.block{padding:21px 0;border-top:1px solid var(--line)}
.block h3{margin:0 0 9px;color:var(--accent);font-size:16px}
.block p{margin:0;color:var(--muted);line-height:1.9}
.side{
  position:sticky;
  top:calc(var(--header-h) + 20px);
  align-self:start;
  padding:20px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.023);
}
.relation{min-height:36px;padding:8px 11px;border-radius:999px;background:rgba(120,173,255,.07)}

/* Blueprint cards */
.section-title{display:flex;align-items:center;gap:10px;margin:36px 0 15px;padding-top:24px;border-top:1px solid var(--line)}
.section-title small{color:var(--muted);font-size:12px;font-weight:550}
.blueprint-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 8px}
.bp-card{
  min-height:184px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:17px;
  color:var(--text);
  background:linear-gradient(145deg,rgba(255,255,255,.027),rgba(255,255,255,.012));
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.bp-card:hover{transform:translateY(-2px);border-color:rgba(88,222,193,.28);background:rgba(88,222,193,.035)}
.bp-card h3{margin:15px 0 13px;font-size:16px;line-height:1.55}
.bp-meta{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:11px}
.blueprint-toolbar select{min-width:175px}
.result-count{margin:-6px 0 17px;color:var(--muted);font-size:12px}
.bp-card.bp-link{position:relative;width:100%;display:block;text-align:start}
.bp-card.bp-link.done{border-color:rgba(88,222,193,.33);background:rgba(88,222,193,.045)}
.bp-card.bp-link.done::after{content:"✓";position:absolute;inset-inline-end:14px;bottom:12px;color:var(--accent);font-weight:900}
.open-hint{display:block;margin-top:15px;color:var(--accent);font-size:11px;font-weight:800}

/* Sequential path */
.path-overview{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  margin:27px 0 15px;
  padding:24px;
  border:1px solid rgba(120,173,255,.16);
  border-radius:20px;
  background:linear-gradient(135deg,rgba(120,173,255,.07),rgba(88,222,193,.035));
}
.path-copy h2{margin:12px 0 4px;font-size:31px}
.path-copy p{margin:0}
.path-actions{display:flex;gap:9px;flex-wrap:wrap}
.track{height:7px;overflow:hidden;border-radius:999px;background:rgba(255,255,255,.065)}
.fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent-strong),var(--accent),var(--accent-2));box-shadow:0 0 14px rgba(88,222,193,.26)}
.large-track{height:9px}
.completion-banner{margin-bottom:18px;padding:15px 17px;border:1px solid rgba(88,222,193,.24);border-radius:14px;color:var(--accent);background:rgba(88,222,193,.065);font-weight:850}

/* Lessons */
.lesson-shell{max-width:1030px;margin-inline:auto}
.lesson-topbar{padding:34px 0 13px}
.ghost-back{background:transparent}
.lesson-counter{color:var(--muted);font-size:12px}
.lesson-track{height:6px;margin-bottom:20px}
.lesson-header{
  position:static;
  min-height:0;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:26px;
  margin-bottom:20px;
  padding:0 0 27px;
  border:0;
  border-bottom:1px solid var(--line);
  background:none;
  box-shadow:none;
  backdrop-filter:none;
}
.lesson-header h1{margin:14px 0 8px;font-size:clamp(34px,5vw,56px);line-height:1.2;letter-spacing:-.035em}
.lesson-module-progress{
  min-width:118px;
  padding:16px;
  text-align:center;
  border:1px solid var(--line);
  border-radius:17px;
  background:rgba(255,255,255,.025);
}
.lesson-module-progress span{display:block;color:var(--muted);font-size:11px}
.lesson-module-progress strong{display:block;margin-top:6px;color:var(--accent);font-size:24px}
.done-badge{color:var(--accent);border-color:rgba(88,222,193,.33);background:rgba(88,222,193,.075)}
.lesson-block{
  margin:14px 0;
  padding:23px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(145deg,rgba(255,255,255,.027),rgba(255,255,255,.012));
}
.lesson-block h3{margin:0 0 10px;color:var(--accent);font-size:17px}
.lesson-block p{margin:0;color:var(--muted);font-size:15px;line-height:1.95}
.hero-lesson{border-color:rgba(88,222,193,.17);background:linear-gradient(135deg,rgba(88,222,193,.075),rgba(120,173,255,.045))}
.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lesson-grid .lesson-block{margin:0}
.mindset{border-color:rgba(88,222,193,.20)}
.mistake{border-color:rgba(255,133,141,.20)}
.mistake h3{color:var(--danger)}
.example-block{border-color:rgba(120,173,255,.22)}
.example-block h3{color:var(--accent-2)}
.compare-block{border-color:rgba(240,189,103,.22)}
.compare-block h3{color:var(--warn)}
.purpose-block{border-inline-start:3px solid var(--accent-2)}
.step-list,.key-list{margin:0;padding-inline-start:23px;color:var(--muted);line-height:1.95}
.step-list li::marker{color:var(--accent);font-weight:850}
.key-list li::marker{color:var(--accent-2)}
.formula-card{
  display:grid;
  gap:10px;
  margin:14px 0;
  padding:23px;
  text-align:center;
  border:1px solid rgba(240,189,103,.23);
  border-radius:18px;
  background:rgba(240,189,103,.045);
}
.formula-card span{color:var(--muted)}
.formula-card strong{color:var(--warn);font-size:21px}
.approach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}
.approach-card{padding:17px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.018)}
.approach-card strong{display:block;margin-bottom:8px;color:var(--accent-2);direction:ltr}
.approach-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.mini-check{margin-top:26px;padding:25px;border:1px solid rgba(120,173,255,.23);border-radius:20px;background:rgba(120,173,255,.04)}
.mini-check h3{line-height:1.75}
.mini-head strong{color:var(--muted);font-size:11px}
.mini-options{margin:16px 0}
.mini-ok{border-color:rgba(88,222,193,.33)}
.mini-wrong{border-color:rgba(255,133,141,.32);background:rgba(255,133,141,.045)}
.sequence-nav{display:grid;grid-template-columns:1fr 2fr;gap:12px;margin-top:30px;padding-top:25px;border-top:1px solid var(--line)}
.sequence-nav button{min-height:51px}
.sequence-nav button:disabled{opacity:.34;cursor:not-allowed;transform:none}
.planned-lesson{padding:25px 0}
.planned-lesson>h2{margin:15px 0 8px;font-size:30px}

/* Quiz */
.setup{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.field{display:grid;gap:8px}
.field label{color:var(--muted);font-size:12px}
.questiontop{display:flex;justify-content:space-between;gap:12px;margin-bottom:15px;color:var(--muted)}
.quiz .track{margin-bottom:23px}
.stem{font-size:21px;line-height:1.8}
.options{display:grid;gap:10px}
.option{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.018);
  transition:border-color .16s ease,background .16s ease;
}
.option:hover{border-color:rgba(120,173,255,.22);background:rgba(120,173,255,.035)}
.option input{margin-top:5px;accent-color:var(--accent)}
.option.correct{border-color:rgba(88,222,193,.55);background:rgba(88,222,193,.07)}
.option.wrong{border-color:rgba(255,133,141,.52);background:rgba(255,133,141,.055)}
.explain{margin-top:18px;padding:18px;border:1px solid rgba(88,222,193,.22);border-radius:14px;color:var(--muted);line-height:1.8;background:rgba(88,222,193,.045)}
.quizactions{display:flex;justify-content:end;gap:10px;margin-top:21px}
.score{text-align:center}
.score strong{display:block;color:var(--accent);font-size:66px}
.order-grid,.match-grid{display:grid;gap:10px}
.order-row,.match-row{display:grid;grid-template-columns:1fr minmax(180px,320px);gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.018)}

/* Coverage, ECO and audit */
.stats{grid-template-columns:repeat(4,1fr)}
.stat{padding:24px;border-radius:21px}
.stat strong{display:block;margin-bottom:8px;color:var(--accent);font-size:33px;direction:ltr}
.stat p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.coverage-stats{grid-template-columns:repeat(3,1fr)}
table{width:100%;border-collapse:collapse}
th,td{padding:14px;border-bottom:1px solid var(--line);text-align:start}
th{position:sticky;top:var(--header-h);z-index:2;color:var(--muted);background:#0b1929;font-size:12px}
td{font-size:13px}
.ok{color:var(--accent)}
.partial{color:var(--warn)}
.task-skill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:60px}
.task-skill-card{padding:23px;border-radius:22px}
.task-skill-card h2{font-size:19px;line-height:1.55}
.enabler-list{display:grid;gap:8px}
.enabler-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;text-align:start;background:rgba(255,255,255,.016)}
.enabler-row span{color:var(--accent);font-size:10px}
.enabler-row strong{font-size:13px}
.enabler-row em{color:var(--muted);font-size:10px;font-style:normal}
.skill-detail{max-width:1080px;margin-inline:auto}
.skill-hero{padding-bottom:23px;border-bottom:1px solid var(--line)}
.skill-hero h1{margin:18px 0 10px;font-size:clamp(34px,5vw,56px);line-height:1.2}
.skill-hero p{color:var(--muted);line-height:1.85}
.skill-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.skill-link{display:flex;align-items:center;gap:12px;text-align:start}
.skill-link strong{color:var(--accent);font-size:10px}
.skill-link span{line-height:1.45}
.eco-link-block{border-color:rgba(88,222,193,.25)}
.audit-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.audit-bars{display:grid;gap:10px}
.audit-bars div{display:flex;justify-content:space-between;padding:13px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.014)}
.audit-bars strong{color:var(--accent)}

/* Footer and toast */
.site-footer{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:32px;
  margin-top:55px;
  padding:32px 0 48px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:12px;
  line-height:1.75;
}
.site-footer strong{color:var(--muted-strong);font-size:13px}
.site-footer p{max-width:780px;margin:7px 0 0}
.version-note{white-space:nowrap;direction:ltr}
#toast{
  position:fixed;
  z-index:200;
  inset-inline-end:24px;
  bottom:24px;
  max-width:360px;
  padding:14px 17px;
  border:1px solid var(--line-strong);
  border-radius:13px;
  color:var(--text);
  background:rgba(15,35,55,.96);
  box-shadow:var(--shadow-md);
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
}
#toast.show{opacity:1;transform:none}

/* Responsive */
@media(max-width:1120px){
  .header-inner{gap:18px}
  .brand small{max-width:300px}
  nav{gap:5px}
  nav button{padding-inline:11px}
  nav button[data-go]::before{display:none}
  .hero{grid-template-columns:1.3fr .7fr}
  .hero-stats{grid-template-columns:1fr}
  .metric{min-height:96px}
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  :root{--header-h:76px}
  .shell,.header-inner{width:min(100% - 28px,var(--container))}
  .site-header{position:relative}
  .header-inner{padding:14px 0;align-items:flex-start;flex-direction:column}
  .brand small{max-width:70vw}
  nav{width:100%;padding-bottom:3px;overflow-x:auto;scrollbar-width:none}
  nav::-webkit-scrollbar{display:none}
  nav button{flex:0 0 auto}
  .hero{grid-template-columns:1fr;margin-top:28px}
  .hero-stats{grid-template-columns:repeat(4,1fr);border-inline-start:0;border-top:1px solid var(--line)}
  .metric{min-height:120px}
  .conceptlayout{grid-template-columns:1fr}
  .side{position:static}
  .task-skill-grid,.skill-links,.audit-panel{grid-template-columns:1fr}
  th{top:0}
}
@media(max-width:720px){
  .shell,.header-inner{width:calc(100% - 20px)}
  .brand b{width:44px;height:44px;flex-basis:44px}
  .brand small{display:none}
  nav button{min-height:40px;padding:9px 12px;font-size:13px}
  .hero{border-radius:24px}
  .hero-copy{padding:30px 23px}
  .hero h1{font-size:clamp(38px,12vw,54px)}
  .hero p{font-size:15px}
  .hero-stats{grid-template-columns:1fr 1fr;padding:18px}
  .metric{min-height:114px;padding:17px}
  .features,.grid,.stats,.coverage-stats,.blueprint-grid,.setup{grid-template-columns:1fr}
  .card{min-height:auto}
  .panel,.quiz{padding:20px;border-radius:21px}
  .modulehead,.path-overview,.lesson-header{display:grid;grid-template-columns:1fr}
  .path-actions{display:grid;grid-template-columns:1fr}
  .lesson-grid,.approach-grid{grid-template-columns:1fr}
  .lesson-module-progress{width:100%;display:flex;align-items:center;justify-content:space-between}
  .sequence-nav{grid-template-columns:1fr}
  .lesson-topbar{align-items:flex-start}
  .order-row,.match-row{grid-template-columns:1fr}
  .site-footer{display:grid;gap:18px}
  .version-note{white-space:normal}
}
@media(max-width:460px){
  .hero-stats{grid-template-columns:1fr}
  .metric{min-height:94px}
  .actions{display:grid}
  .actions button{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}

/* =========================================================
   v0.7 — Decision Lab
   ========================================================= */
.lab-head{display:flex;align-items:end;justify-content:space-between;gap:30px}
.lab-head>div:first-child{max-width:820px}
.lab-summary{display:grid;grid-template-columns:repeat(2,minmax(150px,1fr));gap:12px;min-width:min(100%,360px)}
.lab-summary>div{display:grid;gap:4px;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,rgba(20,43,67,.9),rgba(11,28,46,.88));box-shadow:0 14px 36px rgba(0,0,0,.18)}
.lab-summary strong{font-size:28px;color:var(--accent);direction:ltr}.lab-summary span{font-size:12px;color:var(--muted)}
.decision-intro{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;background:linear-gradient(135deg,rgba(57,216,178,.08),rgba(106,168,255,.05))}
.decision-intro-icon{width:58px;height:58px;display:grid;place-items:center;border-radius:18px;background:linear-gradient(135deg,rgba(57,216,178,.18),rgba(106,168,255,.18));border:1px solid rgba(57,216,178,.25);font-size:30px;color:var(--accent)}
.decision-intro h2{margin:0 0 7px;font-size:23px}.decision-intro p{margin:0}
.mission-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0 55px}
.mission-card{position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:360px;padding:27px;border:1px solid var(--line);border-radius:25px;background:linear-gradient(180deg,rgba(18,40,63,.94),rgba(9,25,42,.96));box-shadow:0 20px 55px rgba(0,0,0,.22);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease}
.mission-card:before{content:"";position:absolute;inset-inline-end:-70px;top:-80px;width:190px;height:190px;border-radius:50%;background:radial-gradient(circle,rgba(57,216,178,.12),transparent 68%);pointer-events:none}
.mission-card:hover{transform:translateY(-5px);border-color:rgba(57,216,178,.34);box-shadow:0 26px 70px rgba(0,0,0,.3)}
.mission-card.mission-done{border-color:rgba(57,216,178,.25)}
.mission-card-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.mission-difficulty{letter-spacing:3px;color:var(--warn);font-size:11px;direction:ltr}
.mission-icon{width:48px;height:48px;display:grid;place-items:center;margin:22px 0 16px;border-radius:15px;background:rgba(106,168,255,.09);border:1px solid rgba(106,168,255,.16);color:var(--accent2);font-size:25px}
.mission-card h2{margin:0 0 10px;font-size:25px}.mission-card p{margin:0 0 16px;color:var(--muted);line-height:1.75;flex:1}
.mission-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:17px 0;color:var(--muted);font-size:12px}.mission-meta strong{margin-inline-start:auto;font-size:21px;color:var(--accent)}
.mission-card>button{width:100%;min-height:48px}.lab-footer-actions{display:flex;justify-content:center;margin:-25px 0 55px}
.mission-topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:35px 0 12px}.mission-step-label{font-size:13px;color:var(--muted)}.mission-track{height:8px;margin-bottom:18px}
.mission-shell{max-width:1040px;margin-inline:auto;padding:34px}
.mission-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid var(--line)}
.mission-header h1{font-size:clamp(34px,5vw,58px);margin:14px 0 10px}.mission-context{min-width:150px;padding:16px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.025);text-align:center}.mission-context span{display:block;color:var(--muted);font-size:12px}.mission-context strong{display:block;margin-top:6px;color:var(--accent);font-size:18px}
.mission-event{margin:0 0 18px;padding:17px 20px;border:1px solid rgba(240,189,91,.25);border-radius:16px;background:rgba(240,189,91,.055)}.mission-event span{display:block;margin-bottom:5px;color:var(--warn);font-size:12px;font-weight:800}.mission-event p{margin:0;color:var(--muted);line-height:1.75}
.scenario-card{position:relative;padding:28px;border:1px solid rgba(106,168,255,.22);border-radius:22px;background:linear-gradient(135deg,rgba(106,168,255,.07),rgba(57,216,178,.04));overflow:hidden}.scenario-card:after{content:"?";position:absolute;inset-inline-end:22px;bottom:-22px;color:rgba(255,255,255,.035);font-size:130px;font-weight:900;line-height:1}.scenario-card>span{display:inline-flex;margin-bottom:10px;color:var(--accent2);font-size:12px;font-weight:800}.scenario-card h2{position:relative;z-index:1;margin:0;font-size:clamp(20px,3vw,29px);line-height:1.75}
.mission-choices{display:grid;gap:12px;margin-top:18px}.mission-choice{width:100%;display:grid;grid-template-columns:42px 1fr;align-items:center;gap:15px;padding:17px 18px;text-align:start;border-radius:16px;background:rgba(255,255,255,.022)}.mission-choice:hover{transform:translateX(calc(var(--dir,1)*-3px));background:rgba(57,216,178,.055)}html[dir="ltr"] .mission-choice:hover{--dir:-1}.choice-letter{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:rgba(106,168,255,.1);color:var(--accent2);font-weight:900;direction:ltr}
.mission-choice:disabled{cursor:default;opacity:.5;transform:none}.mission-choice.choice-best,.mission-choice.choice-acceptable,.mission-choice.choice-weak,.mission-choice.choice-critical{opacity:1}.mission-choice.choice-best{border-color:rgba(57,216,178,.62);background:rgba(57,216,178,.09)}.mission-choice.choice-acceptable{border-color:rgba(106,168,255,.5);background:rgba(106,168,255,.075)}.mission-choice.choice-weak{border-color:rgba(240,189,91,.5);background:rgba(240,189,91,.07)}.mission-choice.choice-critical{border-color:rgba(255,126,135,.58);background:rgba(255,126,135,.075)}
.decision-feedback{margin-top:20px;padding:22px;border:1px solid var(--line);border-radius:19px;background:rgba(255,255,255,.025)}.feedback-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:8px}.feedback-head span{color:var(--muted);font-size:12px}.feedback-head strong{font-size:18px}.decision-feedback p{margin:0 0 18px;color:var(--muted);line-height:1.85}.decision-feedback button{min-width:210px}.feedback-best{border-color:rgba(57,216,178,.3);background:rgba(57,216,178,.055)}.feedback-best strong{color:var(--accent)}.feedback-acceptable{border-color:rgba(106,168,255,.28);background:rgba(106,168,255,.05)}.feedback-acceptable strong{color:var(--accent2)}.feedback-weak{border-color:rgba(240,189,91,.3);background:rgba(240,189,91,.05)}.feedback-weak strong{color:var(--warn)}.feedback-critical{border-color:rgba(255,126,135,.3);background:rgba(255,126,135,.05)}.feedback-critical strong{color:var(--danger)}
.result-head{text-align:center;max-width:900px;margin-inline:auto}.result-head p{margin-inline:auto}.decision-result-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px}.overall-score{display:flex;align-items:center;gap:25px}.overall-score h2{margin:0 0 9px}.overall-score p{margin:0}.score-ring{--score:0;width:145px;height:145px;flex:0 0 145px;display:grid;place-items:center;border-radius:50%;background:conic-gradient(var(--accent) calc(var(--score)*1%),rgba(255,255,255,.07) 0);position:relative}.score-ring:before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--panel)}.score-ring strong{position:relative;z-index:1;font-size:31px;color:var(--text);direction:ltr}
.skill-report h2{margin-top:0}.skill-bars{display:grid;gap:15px}.skill-bar>div:first-child{display:flex;justify-content:space-between;gap:12px;margin-bottom:7px;color:var(--muted);font-size:13px}.skill-bar strong{color:var(--text);direction:ltr}.skill-bar .track{height:7px;margin:0}.skill-bar .fill.mid{background:linear-gradient(90deg,var(--warn),#f3d58f)}.skill-bar .fill.low{background:linear-gradient(90deg,var(--danger),#ffb0b6)}
.decision-trail{display:grid;gap:12px}.trail-item{display:grid;grid-template-columns:42px 1fr;gap:15px;padding:17px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.02)}.trail-item>span{width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:rgba(255,255,255,.045);font-weight:900;direction:ltr}.trail-item small{color:var(--muted)}.trail-item h3{margin:5px 0 6px;font-size:16px}.trail-item p{margin:0;color:var(--muted);line-height:1.65}.trail-best{border-inline-start:4px solid var(--accent)}.trail-acceptable{border-inline-start:4px solid var(--accent2)}.trail-weak{border-inline-start:4px solid var(--warn)}.trail-critical{border-inline-start:4px solid var(--danger)}
.recommended-review{display:grid;grid-template-columns:.65fr 1.35fr;gap:24px;align-items:start}.recommended-review h2{margin-top:0}.recommended-lessons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.recommended-lesson{text-align:start;display:grid;grid-template-columns:auto 1fr;gap:3px 12px;padding:14px;border-radius:14px}.recommended-lesson strong{grid-row:1/3;color:var(--accent);font-size:11px}.recommended-lesson span{font-weight:700}.recommended-lesson em{font-size:11px;color:var(--muted);font-style:normal}.result-actions{display:flex;justify-content:center;gap:12px;margin:25px 0 55px}.result-actions button{min-width:210px;min-height:50px}
@media(max-width:980px){.lab-head{display:grid}.lab-summary{width:100%}.mission-grid,.decision-result-grid,.recommended-review{grid-template-columns:1fr}.decision-intro{grid-template-columns:auto 1fr}.decision-intro>.badge{grid-column:1/-1;width:max-content}.overall-score{justify-content:center}.recommended-lessons{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.lab-summary{grid-template-columns:1fr 1fr;min-width:0}.decision-intro{grid-template-columns:1fr}.decision-intro-icon{width:50px;height:50px}.mission-grid{grid-template-columns:1fr}.mission-card{min-height:0;padding:22px}.mission-shell{padding:20px}.mission-header{display:grid;grid-template-columns:1fr}.mission-context{width:100%}.scenario-card{padding:20px}.scenario-card h2{font-size:19px}.mission-choice{grid-template-columns:36px 1fr;padding:14px}.choice-letter{width:30px;height:30px}.overall-score{display:grid;text-align:center}.score-ring{margin:auto}.recommended-lessons{grid-template-columns:1fr}.result-actions{display:grid}.result-actions button{width:100%}.mission-topbar{align-items:flex-start}.lab-head{padding-top:36px}}