/* ============ TRADIFY KAPPA · FUTURISTIC DARK READING THEME ============ */
:root{
  color-scheme:dark;
  --green:#00e5a0;
  --green-soft:#5eeabb;
  --green-deep:#00b37e;
  --green-glow:rgba(0,229,160,.35);
  --mint:#0b2b23;
  --ink:#f0f4fa;
  --ink-dim:#c6d0e2;
  --muted:#8f9bb3;
  --muted-2:#6b7690;
  --line:rgba(148,163,184,.14);
  --line-strong:rgba(148,163,184,.24);
  --white:#fff;
  --surface:#04070d;
  --surface-2:#070c16;
  --card:#0b1220;
  --card2:#0e1628;
  --card3:#111b30;
  --warning:#ffb547;
  --danger:#ff6b6e;
  --radius:22px;
  --radius-sm:14px;
  --radius-lg:28px;
  --content:1180px;
  --glow:0 0 24px rgba(0,229,160,.32);
  --glow-soft:0 0 48px rgba(0,229,160,.14);
  --shadow-card:0 24px 64px rgba(0,0,0,.45),0 2px 8px rgba(0,0,0,.3);
  --shadow-lift:0 32px 80px rgba(0,0,0,.55),0 0 40px rgba(0,229,160,.08);
  --font-display:'Space Grotesk','DM Sans',sans-serif;
  --font-body:'DM Sans','Manrope',sans-serif;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:15.5px;
  line-height:1.75;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -5%, rgba(0,229,160,.09), transparent 62%),
    radial-gradient(1000px 520px at 90% 4%, rgba(99,102,241,.10), transparent 62%),
    radial-gradient(800px 600px at 50% 115%, rgba(0,229,160,.06), transparent 62%),
    radial-gradient(600px 400px at 85% 85%, rgba(0,229,160,.03), transparent 60%),
    var(--surface);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(148,163,184,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.05) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 30%,transparent 75%);
}
main{position:relative;z-index:1}
button,input,select{font:inherit;color:inherit}
a{color:var(--green-soft);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:rgba(0,229,160,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#070b14}
::-webkit-scrollbar-thumb{background:#1d2a45;border-radius:99px;border:2px solid #070b14}
::-webkit-scrollbar-thumb:hover{background:#2a3c63}

.wrap{width:min(var(--content),calc(100% - 48px));margin-inline:auto}

/* reading progress */
.reading-progress{height:3px;position:fixed;z-index:100;top:0;left:0;width:0;
  background:linear-gradient(90deg,#00b37e,var(--green),#7dfcd0);box-shadow:var(--glow)}

/* header */
.site-header{
  height:78px;padding:0 max(24px,calc((100vw - var(--content))/2));
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(4,7,13,.92),rgba(4,7,13,.78));
  backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);
  position:sticky;top:0;z-index:50;
  box-shadow:0 8px 32px rgba(0,0,0,.25);
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--ink);letter-spacing:.2px}
.brand:hover{text-decoration:none}
.brand-mark{width:37px;height:37px;border-radius:12px;display:grid;place-items:center;color:#022a1c;
  background:linear-gradient(135deg,#00c98a,#00e5a0 60%,#5eeabb);box-shadow:0 4px 18px rgba(0,229,160,.4),inset 0 1px 0 rgba(255,255,255,.4);
  transition:transform .3s var(--ease-spring)}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.06)}
.brand-mark svg{width:19px;height:19px}
.brand-light{color:var(--green-soft);font-weight:500}
.main-nav{display:flex;gap:26px}
.main-nav a{color:var(--muted);font-size:13.5px;font-weight:600;letter-spacing:.2px;transition:color .2s}
.main-nav a:hover,.back-top:hover{color:var(--green-soft);text-decoration:none}
.header-cta{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink);
  border:1px solid rgba(0,229,160,.35);border-radius:999px;padding:9px 18px;background:rgba(0,229,160,.07);transition:all .2s}
.header-cta:hover{background:rgba(0,229,160,.16);box-shadow:var(--glow);text-decoration:none;color:#fff}
.header-cta svg{width:15px;height:15px}

/* hero */
.hero{padding-top:96px;padding-bottom:64px;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;position:relative}
.hero::before{content:"";position:absolute;top:-40px;left:50%;transform:translateX(-50%);width:min(900px,90vw);height:420px;
  background:radial-gradient(ellipse 60% 55% at 50% 40%,rgba(0,229,160,.10),transparent 70%);pointer-events:none;filter:blur(10px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11.5px;font-weight:800;letter-spacing:2.4px;
  text-transform:uppercase;color:var(--green-soft);
  border:1px solid rgba(0,229,160,.32);background:linear-gradient(180deg,rgba(0,229,160,.10),rgba(0,229,160,.04));
  padding:9px 17px;border-radius:999px;box-shadow:inset 0 1px 0 rgba(0,229,160,.15),0 4px 16px rgba(0,229,160,.08);
  backdrop-filter:blur(6px)}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 2.2s ease-in-out infinite}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-family:var(--font-display);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(46px,5.6vw,76px);line-height:1.04;margin:26px 0 22px;font-weight:800;color:#f5f8fd;
  letter-spacing:-.025em;text-wrap:balance;text-shadow:0 0 44px rgba(0,229,160,.14)}
h1 span{background:linear-gradient(100deg,#00e5a0 5%,#6ff5c6 45%,#7d9bff 95%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 0 28px rgba(0,229,160,.28));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-description{font-size:17.5px;color:var(--ink-dim);max-width:33em;line-height:1.75;font-weight:400}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{height:52px;border-radius:999px;padding:0 28px;display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid rgba(148,163,184,.22);font-weight:700;font-size:14px;cursor:pointer;color:var(--ink);
  background:linear-gradient(180deg,rgba(20,30,52,.75),rgba(12,19,34,.75));backdrop-filter:blur(8px);
  transition:transform .25s var(--ease-out),box-shadow .25s,background .25s,border-color .25s;letter-spacing:.2px;
  box-shadow:0 4px 16px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.06)}
.btn svg{width:16px;height:16px}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:linear-gradient(135deg,#00c98a 0%,#00e5a0 55%,#4df0b8 100%);color:#022a1c;border-color:transparent;
  box-shadow:0 8px 28px rgba(0,229,160,.35),inset 0 1px 0 rgba(255,255,255,.35),inset 0 -2px 6px rgba(0,80,50,.25);
  text-shadow:0 1px 0 rgba(255,255,255,.2)}
.btn-primary:hover{box-shadow:0 12px 40px rgba(0,229,160,.5),inset 0 1px 0 rgba(255,255,255,.4);color:#022a1c;transform:translateY(-2px)}
.btn-secondary:hover{border-color:rgba(0,229,160,.55);box-shadow:0 8px 28px rgba(0,0,0,.45),0 0 20px rgba(0,229,160,.1)}
.hero-proof{display:flex;gap:14px;align-items:flex-start;margin-top:30px;padding:16px 18px;max-width:30em;
  border:1px solid var(--line);border-radius:16px;background:rgba(11,18,32,.66)}
.proof-icon{width:38px;height:38px;flex:none;border-radius:12px;display:grid;place-items:center;color:#04281c;
  background:linear-gradient(135deg,#00e5a0,#5eeabb);box-shadow:var(--glow)}
.proof-icon svg{width:19px;height:19px}
.hero-proof strong,.hero-proof span{display:block}
.hero-proof strong{font-size:14px;color:var(--ink)}
.hero-proof span{font-size:13px;color:var(--muted);line-height:1.6}

/* hero art panel */
.hero-art{border:1px solid var(--line);border-radius:24px;background:linear-gradient(160deg,rgba(16,26,46,.92),rgba(8,13,24,.94));
  padding:20px;box-shadow:0 24px 70px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.05);position:relative;overflow:hidden}
.hero-art::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 200px at 70% 0%,rgba(0,229,160,.10),transparent 65%)}
.art-topline,.art-bottom,.art-bottom>div{display:flex;align-items:center}
.art-topline{justify-content:space-between;font-size:10px;font-weight:800;letter-spacing:2px;color:var(--muted);margin-bottom:12px}
.art-tag{display:inline-flex;align-items:center;gap:7px;color:var(--green-soft);
  border:1px solid rgba(0,229,160,.3);background:rgba(0,229,160,.08);padding:6px 12px;border-radius:999px;letter-spacing:1.2px}
.art-tag svg{width:13px;height:13px}
.hero-chart{width:100%;height:auto;display:block;border-radius:14px;background:rgba(5,8,15,.55);border:1px solid rgba(148,163,184,.1)}
.hero-line{filter:drop-shadow(0 0 8px rgba(0,229,160,.65));stroke-dasharray:1200;stroke-dashoffset:1200;animation:drawLine 2.4s .3s ease forwards}
.art-bottom{justify-content:space-between;margin-top:14px}
.art-bottom>div{gap:10px;font-size:13px;font-weight:600;color:var(--ink)}
.art-bottom>i{color:#3b4a6b;width:18px;height:18px}
.art-number{font-family:var(--font-display);font-size:11px;font-weight:700;color:#04281c;background:linear-gradient(135deg,#00e5a0,#5eeabb);
  width:30px;height:30px;border-radius:10px;display:grid;place-items:center;box-shadow:var(--glow)}
.hero-footnote{display:flex;gap:9px;align-items:flex-start;margin-top:16px;font-size:12.5px;color:var(--muted);
  grid-column:1/-1;line-height:1.6}
.hero-footnote svg{width:15px;height:15px;flex:none;margin-top:3px;color:var(--green-soft)}

/* stats */
.stats{border-block:1px solid var(--line);padding:26px 0;display:grid;grid-template-columns:repeat(3,1fr) 1.6fr;align-items:center;gap:24px;
  background:linear-gradient(180deg,rgba(0,229,160,.03),transparent)}
.stats>div:not(.stats-note){text-align:left}
.stats strong{font-family:var(--font-display);font-size:34px;font-weight:700;display:block;
  background:linear-gradient(120deg,#fff,#7dfcd0);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats span{font-size:12.5px;color:var(--muted)}
.stats-note{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted);
  border:1px solid var(--line);border-radius:14px;padding:13px 16px;background:rgba(11,18,32,.6);line-height:1.6}
.stats-note svg{width:22px;height:22px;color:var(--green-soft);flex:none}

/* how it works */
.how-section{padding:64px 0 8px}
.section-heading h2{font-size:clamp(26px,3.4vw,38px);color:#f2f6fd;margin:14px 0 10px}
.section-heading p{color:var(--muted);max-width:38em;font-size:15.5px}
.learning-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:38px}
.step-card{border:1px solid var(--line);border-radius:20px;padding:23px;min-height:190px;position:relative;
  transition:border-color .25s,transform .25s,box-shadow .25s;background:linear-gradient(165deg,rgba(16,26,46,.85),rgba(8,13,24,.9));overflow:hidden}
.step-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(0,229,160,.7),transparent);opacity:0;transition:opacity .25s}
.step-card:hover{border-color:rgba(0,229,160,.4);transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.45),var(--glow)}
.step-card:hover::before{opacity:1}
.step-num{font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:2px;color:var(--green-soft);
  border:1px solid rgba(0,229,160,.3);display:inline-block;padding:4px 10px;border-radius:8px;background:rgba(0,229,160,.06)}
.step-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin:16px 0 12px;color:#04281c;
  background:linear-gradient(135deg,#00e5a0,#5eeabb);box-shadow:var(--glow)}
.step-icon svg{width:21px;height:21px}
.step-card h3{font-size:16.5px;color:var(--ink);margin-bottom:6px}
.step-card p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* lessons library */
.lessons-section{padding:56px 0 30px;position:relative}
.lessons-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.library-count{text-align:right}
.library-count strong,.library-count span{display:block}
.library-count strong{font-family:var(--font-display);font-size:38px;color:var(--green);
  text-shadow:0 0 26px rgba(0,229,160,.4)}
.library-count span{font-size:12px;color:var(--muted);letter-spacing:1px;text-transform:uppercase}
.library-tools{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.search-box,.select-wrap{height:49px;border:1px solid rgba(148,163,184,.2);border-radius:999px;background:rgba(11,18,32,.8);
  display:flex;align-items:center;gap:11px;padding:0 16px;color:#7c89a3;transition:border-color .2s,box-shadow .2s}
.search-box{flex:1;min-width:220px}
.search-box:focus-within,.select-wrap:focus-within{border-color:rgba(0,229,160,.55);box-shadow:var(--glow)}
.search-box svg,.select-wrap svg{width:17px;height:17px;flex:none}
.search-box input{background:transparent;border:0;outline:0;flex:1;font-size:14px;color:var(--ink);min-width:0}
.search-box input::placeholder{color:#5b6a88}
.select-wrap select{background:transparent;border:0;outline:0;font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer;appearance:none;padding-right:4px;max-width:170px}
.select-wrap select option{background:#0c1322;color:var(--ink)}
.select-wrap svg:last-child{width:15px;height:15px;pointer-events:none}
.saved-filter{display:inline-flex;align-items:center;gap:9px;height:49px;padding:0 18px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(148,163,184,.2);background:rgba(11,18,32,.8);font-size:13px;font-weight:700;color:var(--muted);transition:all .2s}
.saved-filter svg{width:16px;height:16px}
.saved-filter b{font-size:11px;background:rgba(0,229,160,.14);color:var(--green-soft);border-radius:99px;padding:2px 9px}
.saved-filter.active{border-color:rgba(0,229,160,.55);color:var(--green-soft);box-shadow:var(--glow);background:rgba(0,229,160,.08)}
.chapter-strip{display:flex;gap:9px;margin-top:18px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}
.chapter-chip{border:1px solid rgba(148,163,184,.2);background:rgba(11,18,32,.7);color:#9aa7c2;border-radius:99px;
  padding:8px 15px;white-space:nowrap;font-size:11.5px;font-weight:600;cursor:pointer;transition:all .2s;flex:none}
.chapter-chip:hover,.chapter-chip.active{border-color:rgba(0,229,160,.6);color:#03251a;font-weight:700;
  background:linear-gradient(135deg,#00e5a0,#5eeabb);box-shadow:var(--glow)}

/* lesson cards */
.lesson-list{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.lesson-card{background:linear-gradient(165deg,rgba(17,27,48,.93),rgba(8,13,24,.97));border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;display:grid;grid-template-columns:1fr;
  opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out),border-color .3s,box-shadow .3s;
  box-shadow:var(--shadow-card)}
.lesson-card.in-view{opacity:1;transform:translateY(0)}
.lesson-card:hover{border-color:rgba(0,229,160,.4);box-shadow:var(--shadow-lift)}
.lesson-content{padding:30px 32px 26px;display:flex;flex-direction:column}
.lesson-topline{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.tip-label{font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:2px;color:var(--green-soft)}
.chapter-label{font-size:10.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#9aa7c2;
  border:1px solid var(--line);padding:5px 11px;border-radius:99px;background:rgba(148,163,184,.06)}
.lesson-title{font-size:22.5px;color:#f4f8fd;margin-bottom:15px;line-height:1.32;font-weight:700;letter-spacing:-.015em;text-wrap:balance}
.field-label{display:block;font-size:10.5px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--green-soft);margin-bottom:7px}
.meaning{font-size:15.5px;color:#c9d3e6;line-height:1.82;max-width:42em}
.example-block{margin-top:16px;border-left:2px solid rgba(0,229,160,.5);padding:4px 0 4px 16px;background:linear-gradient(90deg,rgba(0,229,160,.05),transparent 70%);border-radius:0 12px 12px 0}
.example-block p{font-size:14.5px;color:#aeb9cf;line-height:1.75}
.lesson-details{display:grid;gap:12px;margin-top:16px}
.detail-row{border:1px solid var(--line);border-radius:14px;padding:13px 16px;background:rgba(5,8,15,.5)}
.detail-row .field-label{margin-bottom:4px}
.detail-row p{font-size:14px;color:#aeb9cf;line-height:1.7}
.careful-row{border-color:rgba(255,181,71,.3);background:linear-gradient(120deg,rgba(255,181,71,.06),transparent 60%)}
.careful-row .field-label{color:var(--warning)}
.lesson-actions{display:flex;gap:10px;margin-top:auto;padding-top:20px}
.save-btn,.expand-btn{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border-radius:999px;
  font-size:12.5px;font-weight:700;cursor:pointer;border:1px solid rgba(148,163,184,.22);background:rgba(14,22,40,.6);
  color:var(--ink);transition:all .2s}
.save-btn svg,.expand-btn svg{width:15px;height:15px}
.save-btn.saved{border-color:rgba(0,229,160,.6);color:var(--green-soft);background:rgba(0,229,160,.1);box-shadow:var(--glow)}
.save-btn.saved svg{fill:var(--green)}
.expand-btn{margin-left:auto}
.save-btn:hover,.expand-btn:hover{border-color:rgba(0,229,160,.5);transform:translateY(-1px)}

/* diagram panel */
.lesson-visual{background:rgba(4,7,13,.72);border-bottom:1px solid var(--line);position:relative;display:flex;
  flex-direction:column;justify-content:center;padding:46px 24px 18px;overflow:hidden;min-height:320px}
.lesson-visual::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(300px 180px at 50% 20%,rgba(0,229,160,.07),transparent 70%)}
.visual-header{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:1.6px;
  font-weight:800;color:#5f6d8c;position:absolute;top:19px;left:21px;right:21px;z-index:2}
.visual-header span:last-child{color:var(--green-soft);letter-spacing:.6px;background:rgba(0,229,160,.1);
  border:1px solid rgba(0,229,160,.3);padding:4px 10px;border-radius:99px}
.diagram{width:100%;max-height:300px;overflow:visible;position:relative;z-index:1}
.diagram text{font-family:'DM Sans',sans-serif}
.diagram .draw{stroke-dasharray:500;stroke-dashoffset:500;animation:drawLine 1.8s .2s ease forwards}
.diagram .float{animation:float 3s ease-in-out infinite}
.diagram .pulse{transform-box:fill-box;transform-origin:center;animation:pulse 2.4s ease-in-out infinite}
.diagram .bar{transform-box:fill-box;transform-origin:bottom;animation:growBar 1s ease both}
.diagram .sweep{animation:sweep 2.8s ease-in-out infinite alternate}
.visual-caption{font-size:10px;color:#5f6d8c;text-align:center;margin-top:4px;position:relative;z-index:1}

/* risk */
.risk-section{margin:56px auto 0;padding:44px;border:1px solid rgba(255,181,71,.25);border-radius:26px;
  display:grid;grid-template-columns:54px 1fr 250px;gap:22px;align-items:start;position:relative;overflow:hidden;
  background:linear-gradient(140deg,rgba(40,26,8,.55),rgba(10,14,24,.9) 60%)}
.risk-section::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(255,181,71,.8),transparent)}
.risk-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;color:#2a1a02;
  background:linear-gradient(135deg,#ffb547,#ffd58a);box-shadow:0 0 26px rgba(255,181,71,.35)}
.risk-icon svg{width:26px;height:26px}
.risk-copy h2{font-size:clamp(22px,2.8vw,30px);color:#f2f6fd;margin-bottom:10px}
.risk-copy p{font-size:14.5px;color:#aeb9cf;line-height:1.8;max-width:46em}
.risk-source{display:block;margin-top:12px;font-size:12px;color:#5f6d8c;font-style:italic}
.risk-side{border:1px solid rgba(0,229,160,.3);border-radius:18px;padding:20px;background:rgba(0,229,160,.06)}
.risk-side svg{width:22px;height:22px;color:var(--green-soft);margin-bottom:10px}
.risk-side strong{display:block;font-size:14px;color:var(--ink);margin-bottom:6px}
.risk-side span{font-size:13px;color:var(--muted);line-height:1.65;display:block}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:60px;background:rgba(4,6,11,.7)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;flex-wrap:wrap}
.footer-inner>span{font-size:12.5px;color:#5f6d8c}
.footer-inner .brand{font-size:15px}
.back-top{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--muted)}
.back-top svg{width:14px;height:14px}

/* load more / empty */
.load-more-wrap{display:flex;align-items:center;gap:16px;margin:30px 0 10px;flex-wrap:wrap}
.load-more{border-style:solid}
.load-more-wrap>span{font-size:12.5px;color:#5f6d8c}
.empty-state{text-align:center;padding:60px 20px;border:1px dashed rgba(148,163,184,.25);border-radius:22px;margin-top:20px;background:rgba(11,18,32,.5)}
.empty-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:18px;display:grid;place-items:center;color:var(--green-soft);
  background:rgba(0,229,160,.08);border:1px solid rgba(0,229,160,.25)}
.empty-icon svg{width:26px;height:26px}
.empty-state h3{font-size:19px;color:var(--ink);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px}
.empty-state .btn{margin:0 auto}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in-view{opacity:1;transform:translateY(0)}

/* keyframes */
@keyframes drawLine{to{stroke-dashoffset:0}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.12);opacity:.82}}
@keyframes growBar{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes sweep{from{transform:translateX(-6px)}to{transform:translateX(6px)}}

/* ============ responsive ============ */
@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:34px;padding-top:56px}
  .hero-copy{max-width:36em}
  .hero-art{max-width:560px}
  .hero-footnote{grid-column:auto}
  .stats{grid-template-columns:1fr 1fr;gap:18px}
  .stats-note{grid-column:1/-1}
  .lesson-visual{border-bottom:1px solid var(--line);min-height:260px;padding:42px 18px 14px}
  .diagram{max-height:230px}
  .risk-section{grid-template-columns:1fr;gap:18px;padding:32px 24px}
  .risk-side{max-width:420px}
  .library-tools{flex-direction:column;align-items:stretch}
  .saved-filter{justify-content:center}
  .site-header{flex-wrap:wrap;height:auto;min-height:64px;padding:10px 18px;row-gap:4px}
  .main-nav{display:flex;order:3;flex-basis:100%;overflow-x:auto;gap:18px;padding:6px 0 2px;font-size:13px}
}
@media(max-width:600px){
  .wrap{width:calc(100% - 36px)}
  .site-header{flex-wrap:wrap;height:auto;min-height:64px;padding:10px 18px;row-gap:4px}
  .main-nav{display:flex;order:3;flex-basis:100%;overflow-x:auto;gap:16px;padding:6px 0 2px}
  .brand{font-size:16px}
  .header-cta{padding:8px 14px;font-size:12px;white-space:nowrap}
  .header-right{margin-left:auto}
  .hero{padding-top:44px;gap:26px}
  h1{font-size:clamp(34px,9.5vw,44px)}
  .hero-description{font-size:15px}
  .hero-actions .btn{flex:1;justify-content:center}
  .btn{height:47px;font-size:13px}
  .hero-art{padding:14px}
  .art-bottom>div{font-size:12px}
  .art-bottom>i{width:14px;height:14px}
  .hero-footnote{font-size:11.5px}
  .stats{grid-template-columns:1fr 1fr;gap:14px;padding:20px 0}
  .stats>div:not(.stats-note){text-align:center}
  .stats strong{font-size:27px}
  .stats span{font-size:11.5px}
  .stats-note{font-size:12.5px}
  .how-section{padding:44px 0 4px}
  .section-heading h2{font-size:25px}
  .section-heading p{font-size:14px}
  .learning-steps{grid-template-columns:1fr 1fr;gap:11px;margin-top:26px}
  .step-card{padding:17px;min-height:0}
  .step-icon{width:38px;height:38px;margin:12px 0 10px}
  .lessons-section{padding:40px 0 20px}
  .lessons-heading{flex-direction:column;align-items:flex-start;gap:6px}
  .lessons-heading h2{font-size:25px}
  .lessons-heading p{font-size:14px}
  .library-count{text-align:left}
  .library-tools{gap:10px}
  .saved-filter{height:45px}
  .lesson-card{border-radius:18px}
  .lesson-content{padding:20px 18px}
  .lesson-title{font-size:18px}
  .meaning{font-size:14px}
  .lesson-visual{padding:15px;min-height:225px}
  .lesson-visual{padding:42px 10px 10px;min-height:200px}
  /* v2 diagrams carry their own readable type scale — no zoom hack */
  .visual-header{top:14px;left:15px;right:15px}
  .diagram{max-height:175px}
  .detail-row{padding:11px 13px}
  .risk-section{padding:26px 18px;gap:14px}
  .risk-icon{width:44px;height:44px;border-radius:13px}
  .risk-copy h2{font-size:21px}
  .risk-side{padding:16px}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-inner>span{font-size:12px}
  .footer-inner .brand{font-size:14px}
  .chapter-strip{gap:7px}
  /* --- Platform mobile polish --- */
  .tools-nav{flex-wrap:wrap;gap:8px}
  .tool-tab{padding:10px 16px;font-size:13px;flex:1 1 auto;text-align:center;min-width:140px}
  .certificate{padding:26px 18px}
  .cert-name{font-size:25px}
  input,select,textarea{font-size:16px}
  .quiz-opt{padding:15px 16px}
  .module-lesson{padding:13px 12px;gap:10px}
  .glossary-grid{grid-template-columns:1fr}
  .jrn-stats{grid-template-columns:1fr 1fr}
  .chat-box{height:300px}
  .tutor-input-row{gap:8px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal,.lesson-card{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ================= PLATFORM ================= */
.header-right{display:flex;align-items:center;gap:12px}
.lang-toggle{display:flex;align-items:center;gap:6px;background:rgba(10,16,30,.7);border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer;color:var(--muted);font-size:12px;font-weight:700}
.lang-opt{padding:2px 4px;border-radius:6px;color:var(--muted)}
.lang-opt.active{color:var(--neon)}
.main-nav a.active{color:var(--neon)}
.main-nav{overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{white-space:nowrap}
.app-view{animation:fadeUp .4s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.continue-banner{margin:18px auto 0;max-width:1200px;padding:0 24px}
.continue-banner>div,.continue-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;background:linear-gradient(120deg,rgba(0,229,160,.12),rgba(0,229,160,.04));border:1px solid rgba(0,229,160,.35);border-radius:14px;padding:14px 18px}
.continue-banner strong{display:block;font-size:15px;margin-top:2px}
.eyebrow-sm{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--neon);font-weight:700}
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px;margin-top:26px}
.module-card{background:linear-gradient(165deg,rgba(17,27,48,.94),rgba(8,13,24,.97));border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;text-decoration:none;color:inherit;display:block;position:relative;overflow:hidden;
  transition:transform .3s var(--ease-out),border-color .3s,box-shadow .3s;box-shadow:var(--shadow-card)}
.module-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,160,.45),transparent);opacity:0;transition:opacity .3s}
.module-card:hover{transform:translateY(-5px);border-color:rgba(0,229,160,.45);box-shadow:var(--shadow-lift);text-decoration:none}
.module-card:hover::before{opacity:1}
.module-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.module-icon{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;flex:none;border-radius:15px;color:var(--green-soft);background:linear-gradient(145deg,rgba(0,229,160,.14),rgba(0,229,160,.04));border:1px solid rgba(0,229,160,.22);box-shadow:inset 0 1px 0 rgba(255,255,255,.05),0 6px 18px rgba(0,0,0,.18)}
.module-icon svg{width:24px;height:24px;stroke-width:1.8}
.module-icon.lg{width:68px;height:68px;border-radius:20px}
.module-icon.lg svg{width:34px;height:34px}
.module-top{gap:14px}
.module-num{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:32px;padding:0 10px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.08em}
.module-card .module-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.module-card .quiz-badge{display:inline-flex;align-items:center;gap:6px}
.module-card .quiz-badge svg{width:14px;height:14px;flex:none}

/* Consistent Lucide alignment across inline labels, controls and content */
i[data-lucide],svg.lucide{display:inline-block;vertical-align:middle;flex-shrink:0;}
.btn,.header-cta,.art-tag,.quiz-badge,.complete-btn,.save-btn,.expand-btn,.saved-filter,.back-top,.back-link{align-items:center;}
.btn>svg,.header-cta>svg,.art-tag>svg,.quiz-badge>svg,.complete-btn>svg,.save-btn>svg,.expand-btn>svg,.saved-filter>svg,.back-top>svg,.back-link>svg{flex:none;vertical-align:middle;}
.btn,.header-cta,.art-tag,.quiz-badge,.complete-btn,.save-btn,.expand-btn,.saved-filter,.back-top{line-height:1.2;}
.hero-footnote,.stats-note,.risk-side{align-items:center;}
.hero-footnote>svg{margin-top:0;align-self:flex-start;margin-top:3px;}
.module-card .module-top{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.module-hero{display:flex;align-items:center;gap:18px;}
.module-hero .module-meta{align-items:center;}

.module-num{font-family:var(--font-display);color:var(--muted-2);font-weight:700;font-size:12px;letter-spacing:1.5px}
.module-card h3{margin:0 0 8px;font-size:18.5px;font-weight:700;letter-spacing:-.01em}
.module-card p{margin:0 0 14px;color:var(--muted);font-size:14px;line-height:1.65}
.module-meta{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:12px;flex-wrap:wrap}
.quiz-badge{border:1px solid rgba(0,229,160,.3);border-radius:999px;padding:3px 12px;font-size:11px;font-weight:700;
  color:var(--green-soft);background:rgba(0,229,160,.07)}
.quiz-badge.dim{opacity:.6}
.progress-track{height:8px;background:#0d1526;border-radius:99px;overflow:hidden}
.progress-track.inline{width:140px;display:inline-block;vertical-align:middle}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--neon),#4da3ff);border-radius:99px;transition:width .4s}
.complete-btn{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:7px 14px;font-size:12px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.complete-btn.done{border-color:var(--neon);color:var(--neon)}
.back-link{display:inline-block;margin-bottom:14px;color:var(--muted);text-decoration:none;font-size:13px;font-weight:600}
.module-hero{display:flex;gap:18px;align-items:flex-start;background:linear-gradient(165deg,rgba(15,24,43,.92),rgba(8,13,24,.96));border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:22px}
.module-hero h2{margin:0 0 6px}
.module-hero p{color:var(--muted);margin:0 0 12px}
.module-foot{text-align:center;margin:26px 0 10px}
/* quiz */
.quiz-wrap{max-width:720px;margin:0 auto}
.quiz-head{display:flex;justify-content:space-between;align-items:center;margin:14px 0 8px}
.quiz-head{gap:10px;flex-wrap:wrap}
.quiz-head .eyebrow{flex:1 1 auto;min-width:0}
.quiz-count{color:var(--muted);font-size:13px}
.quiz-progress{height:8px;background:#0d1526;border-radius:99px;margin-bottom:22px;overflow:hidden}
.quiz-q{font-size:20px;line-height:1.5;margin:0 0 18px}
.quiz-opts{display:grid;gap:10px}
.quiz-opt{text-align:left;background:#0d1626;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:14px 16px;font-size:14.5px;cursor:pointer;transition:border-color .15s}
.quiz-opt:hover:not(:disabled){border-color:var(--neon)}
.quiz-opt.correct{border-color:var(--neon);background:rgba(0,229,160,.1)}
.quiz-opt.wrong{border-color:#ff6b6e;background:rgba(255,107,110,.08)}
.quiz-opt:disabled{cursor:default;opacity:.85}
.quiz-explain{margin-top:16px;background:#0d1626;border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px;line-height:1.65}
.quiz-explain.ok{border-color:rgba(0,229,160,.4)}
.quiz-explain.no{border-color:rgba(255,107,110,.4)}
.quiz-explain .btn{margin-top:12px}
.quiz-result{text-align:center;padding:30px 0}
.score-ring{width:110px;height:110px;border-radius:50%;border:4px solid var(--line);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:800;font-family:"Space Grotesk"}
.score-ring.pass{border-color:var(--neon);color:var(--neon)}
.quiz-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.cert-form{display:flex;gap:10px;justify-content:center;margin-top:18px;flex-wrap:wrap}
.cert-form input{background:#0d1626;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 14px;font-size:14px;min-width:240px}
.certificate{max-width:560px;margin:22px auto;background:linear-gradient(160deg,#0e1830,#070c16);border:2px solid rgba(0,229,160,.5);border-radius:18px;padding:36px 30px;text-align:center}
.cert-brand{font-family:"Space Grotesk";font-weight:700;font-size:15px;color:var(--muted)}
.cert-brand span{color:var(--neon)}
.cert-title{font-family:"Space Grotesk";font-size:24px;font-weight:700;margin:14px 0 4px}
.cert-name{font-size:30px;font-weight:800;color:var(--neon);margin:10px 0;font-family:"Space Grotesk"}
.cert-sub,.cert-date{color:var(--muted);font-size:13px}
.cert-module{margin:12px 0;font-size:15px;font-weight:700}
.cert-note{margin-top:16px;font-size:11px;color:var(--muted);opacity:.7}
/* simulator */
.sim-disc{background:rgba(255,181,71,.08);border:1px solid rgba(255,181,71,.35);color:#ffcf7d;border-radius:12px;padding:12px 16px;font-size:13.5px;line-height:1.6}
.sim-top{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:20px 0;align-items:stretch}
.sim-stat{background:#0d1626;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.sim-stat span{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.sim-stat strong{display:block;font-size:21px;margin-top:4px;font-family:"Space Grotesk"}
.up{color:var(--neon)}.down{color:#ff6b6e}
.sim-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.sim-watch,.sim-trade,.sim-pos{background:#0b1220;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.sim-watch h3,.sim-trade h3,.sim-pos h3{margin:0 0 12px;font-size:15px}
.sim-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 4px;border-bottom:1px solid rgba(26,36,56,.6)}
.sim-row strong{display:block;font-size:13.5px}
.sim-row small{color:var(--muted);font-size:11.5px}
.spark{width:90px;height:30px;display:block;margin-top:4px}
.sim-pr{text-align:right}
.sim-pr span{font-weight:700;font-size:14px;font-family:"Space Grotesk"}
.sim-pr small{display:block}
.trade-sym{margin:8px 0 12px;font-size:14px;color:var(--muted)}
.trade-row{display:flex;gap:8px;margin-bottom:12px}
.side-btn{flex:1;padding:10px;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--muted);font-weight:800;cursor:pointer}
.side-btn.buy.active{background:rgba(0,229,160,.15);border-color:var(--neon);color:var(--neon)}
.side-btn.sell.active{background:rgba(255,107,110,.12);border-color:#ff6b6e;color:#ff6b6e}
.sim-trade label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:12px}
.sim-trade input{width:100%;margin-top:6px;background:#0d1626;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font-size:14px}
.trade-msg{margin-top:12px;font-size:13.5px;color:var(--neon);min-height:22px;font-weight:600}
.trade-msg.show{animation:msgPop .4s var(--ease-spring)}
@keyframes msgPop{0%{opacity:0;transform:translateY(8px) scale(.96)}100%{opacity:1;transform:translateY(0) scale(1)}}
.btn-xs{padding:6px 12px;font-size:12px}
/* tutor */
.tutor-wrap{max-width:760px;margin:0 auto}
.tutor-disc{font-size:13px;color:var(--muted);background:rgba(77,163,255,.07);border:1px solid rgba(77,163,255,.25);border-radius:10px;padding:10px 14px}
.tutor-foot{margin-top:8px;font-size:12px;color:var(--muted)}
.lesson-disc{font-size:12px;color:var(--muted);margin-top:10px}
.quiz-note{font-size:12.5px;color:var(--muted);margin:8px 0 0}
.chat-box{background:#0b1220;border:1px solid var(--line);border-radius:var(--radius);padding:18px;height:380px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;margin:16px 0}
.msg{max-width:85%;padding:12px 16px;border-radius:14px;font-size:14px;line-height:1.65}
.msg.bot{background:#101a2e;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.msg.user{background:rgba(0,229,160,.12);border:1px solid rgba(0,229,160,.35);align-self:flex-end;border-bottom-right-radius:4px}
.tutor-links{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:12.5px;color:var(--muted)}
.tutor-links a{color:var(--neon);text-decoration:none;border:1px solid rgba(0,229,160,.3);border-radius:999px;padding:4px 12px;font-size:12px}
.chat-suggest{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.chip{background:#0d1626;border:1px solid var(--line);color:var(--text);border-radius:999px;padding:8px 14px;font-size:12.5px;cursor:pointer}
.chip:hover{border-color:var(--neon)}
.chat-input{display:flex;gap:10px}
.chat-input input{flex:1;background:#0d1626;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:13px 16px;font-size:14px}
/* journal */
.jrn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.jrn-card{background:#0b1220;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}
.jrn-card h3{margin:0 0 14px;font-size:16px}
.jrn-card h4{margin:16px 0 8px;font-size:14px}
.jrn-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.jrn-stats>div{background:#0d1626;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.jrn-stats span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.jrn-stats strong{display:block;font-size:17px;margin-top:4px;font-family:"Space Grotesk"}
.insights{margin:0;padding-left:18px;color:var(--text);font-size:13.5px;line-height:1.7}
.insights li{margin-bottom:6px}
.jrn-form{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.jrn-form label{font-size:12px;color:var(--muted);display:block}
.jrn-form label.wide{grid-column:1/-1}
.jrn-form input,.jrn-form select,.jrn-form textarea{width:100%;margin-top:5px;background:#0d1626;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font-size:13.5px;font-family:inherit}
.jrn-form .wide{grid-column:1/-1}
.jrn-table{max-height:420px;overflow-y:auto}
.jrn-row{display:flex;align-items:center;gap:12px;padding:9px 4px;border-bottom:1px solid rgba(26,36,56,.6);font-size:13px;flex-wrap:wrap}
.jrn-side{font-size:10.5px;font-weight:800;padding:3px 9px;border-radius:6px}
.jrn-side.BUY{background:rgba(0,229,160,.14);color:var(--neon)}
.jrn-side.SELL{background:rgba(255,107,110,.12);color:#ff6b6e}
.jrn-tag{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--muted)}
.dim{color:var(--muted)}.small{font-size:12px}
/* tools */
.tools-nav{display:flex;gap:10px;margin:18px 0;flex-wrap:wrap}
.tool-tab{background:#0d1626;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:12px 20px;font-size:14px;font-weight:700;cursor:pointer}
.tool-tab.active{border-color:var(--neon);color:var(--neon)}
.gloss-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-top:16px}
.gloss-card{background:#0d1626;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.gloss-card strong{color:var(--neon);font-size:14px}
.gloss-card p{margin:6px 0 0;font-size:13px;color:var(--muted);line-height:1.6}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.calc-out{margin-top:12px}
.calc-res{font-size:14px;margin-bottom:6px;color:var(--muted)}
.calc-res strong{color:var(--text);font-size:17px}
.plan-actions{display:flex;gap:10px;margin-top:14px}
.plan-doc{background:#fff;color:#111;border-radius:12px;padding:34px;margin-top:20px}
.plan-doc h2{color:#111;margin:0 0 4px}
.plan-doc .dim{color:#555}
.plan-row{border-bottom:1px solid #eee;padding:10px 0}
.plan-row strong{font-size:13px;color:#333}
.plan-row p{margin:4px 0 0;font-size:14.5px;color:#111}
.plan-doc .small{color:#777}
.btn-sm{padding:9px 18px;font-size:13px}
@media(max-width:900px){
  .sim-grid,.jrn-grid,.calc-grid{grid-template-columns:1fr}
  .main-nav{font-size:13px;gap:14px}
  .header-cta span{display:none}
  .chat-box{height:320px}
}
@media print{
  body *{visibility:hidden}
  #planDocInner,#planDocInner *{visibility:visible}
  #planDocInner{position:absolute;left:0;top:0;width:100%;margin:0}
}

/* Loading states */
.loading-wrap{padding:40px 20px;text-align:center;color:var(--muted)}
.loading-spinner{width:40px;height:40px;margin:0 auto 16px;border:3px solid var(--line);border-top-color:var(--neon);border-radius:50%;animation:spin 0.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{border-radius:12px;background:linear-gradient(90deg,#0d1626 25%,#162032 50%,#0d1626 75%);background-size:200% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{to{background-position:-200% 0}}

/* ===== BILLION-DOLLAR MICRO-INTERACTIONS ===== */
/* Staggered card entrance */
.lesson-card:nth-child(3n+1){transition-delay:.02s}
.lesson-card:nth-child(3n+2){transition-delay:.08s}
.lesson-card:nth-child(3n){transition-delay:.14s}

/* Premium link hover */
a{transition:color .2s}

/* Glowing focus states */
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:8px}

/* Smooth image/diagram hover */
.diagram{transition:transform .4s var(--ease-out)}

/* Premium scrollbar for nav */
.main-nav{scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}

/* Button press feedback */
.btn:active{transform:scale(.97)}

/* Card action buttons */
.save-btn,.expand-btn{transition:all .25s var(--ease-out)}
.save-btn:hover{border-color:rgba(0,229,160,.5);color:var(--green-soft);transform:translateY(-1px)}

/* Module progress bar shimmer */
.progress-fill{position:relative;overflow:hidden}
.progress-fill::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  animation:shimmerSlide 2.4s infinite}
@keyframes shimmerSlide{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}

/* Floating animation for hero art */
.hero-art{animation:floatY 7s ease-in-out infinite}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* Pulse for live indicators */
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.86)}}


/* ============ Paper trading terminal ============ */
.sim-terminal{padding:44px 0 64px}
.sim-terminal-head{display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:22px}
.sim-terminal-head h2{font-size:clamp(28px,3.5vw,40px);margin:12px 0 8px}
.sim-terminal-head p,.sim-panel-title p,.sim-order-heading p{color:var(--muted);font-size:13px;line-height:1.5}
.sim-live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);margin-right:7px;vertical-align:middle}
.sim-disclaimer{display:flex;align-items:center;gap:12px;border:1px solid rgba(255,181,71,.25);border-radius:13px;background:rgba(255,181,71,.055);padding:12px 15px;color:#d8c69f;font-size:12px;line-height:1.5}
.sim-disclaimer>svg{width:19px;height:19px;flex:none;color:#ffc66d}
.sim-disclaimer>span:nth-child(2){flex:1}
.sim-feed{white-space:nowrap;color:var(--green-soft);font-size:10px;font-weight:800;letter-spacing:.08em;display:inline-flex;align-items:center;gap:6px}
.sim-feed svg{width:14px;height:14px}
.sim-account-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:16px 0}
.sim-account-card{min-width:0;padding:17px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,rgba(16,26,46,.95),rgba(8,13,24,.95));box-shadow:inset 0 1px 0 rgba(255,255,255,.025)}
.sim-account-card span,.sim-account-card small{display:block;color:var(--muted);font-size:11px;line-height:1.45}
.sim-account-card span{text-transform:uppercase;letter-spacing:.07em}
.sim-account-card strong{display:block;font:700 clamp(18px,2vw,24px) var(--font-display);margin:10px 0 5px;overflow-wrap:anywhere}
.sim-account-card small{font-size:10.5px}
.sim-market-layout{display:grid;grid-template-columns:minmax(260px,.78fr) minmax(0,1.6fr);gap:14px;align-items:start}
.sim-panel{border:1px solid var(--line);border-radius:18px;background:linear-gradient(155deg,rgba(13,21,37,.97),rgba(7,12,22,.98));box-shadow:0 14px 35px rgba(0,0,0,.16);min-width:0;overflow:hidden}
.sim-market-panel{padding:17px 15px}
.sim-panel-title{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:14px}
.sim-panel-title h3,.sim-order-heading h3{font-size:16px;margin-bottom:5px}
.sim-market-count{font-size:9px;font-weight:800;letter-spacing:.07em;color:var(--muted);border:1px solid var(--line);border-radius:7px;padding:5px 7px;white-space:nowrap}
.sim-search{display:flex;align-items:center;gap:9px;height:40px;border:1px solid var(--line);background:#080e19;border-radius:10px;padding:0 11px;margin-bottom:13px}
.sim-search svg{width:15px;height:15px;color:var(--muted);flex:none}
.sim-search input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}
.sim-watch-head{display:flex;justify-content:space-between;gap:10px;padding:0 8px 8px;color:#66758e;font-size:9px;font-weight:800;letter-spacing:.07em}
.sim-watch-row{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;padding:11px 8px;border:0;border-top:1px solid rgba(148,163,184,.08);border-radius:7px;text-align:left;background:transparent;color:var(--ink);cursor:pointer;transition:background .15s,border-color .15s}
.sim-watch-row:hover,.sim-watch-row.selected{background:rgba(0,229,160,.065)}
.sim-watch-row.selected{box-shadow:inset 2px 0 var(--green)}
.sim-watch-name,.sim-watch-price{display:flex;flex-direction:column;gap:3px;min-width:0}
.sim-watch-name strong{font-size:11.5px;letter-spacing:.02em}
.sim-watch-name small{font-size:10px;color:var(--muted);max-width:150px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sim-watch-price{text-align:right;align-items:flex-end;flex:none}
.sim-watch-price strong{font:600 11px var(--font-display);white-space:nowrap}
.sim-watch-price small{font-size:10px}
.sim-chart-panel{padding:19px 20px}
.sim-chart-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.sim-symbol-line{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.sim-exchange-tag{font-size:9px;letter-spacing:.07em;color:#a8b7cd;border:1px solid var(--line);border-radius:5px;padding:3px 6px}
.sim-market-state{display:inline-flex;align-items:center;gap:5px;color:var(--green-soft);font-size:9px;font-weight:800;letter-spacing:.06em}
.sim-market-state i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--green)}
.sim-chart-header h3{font-size:19px;margin-bottom:7px}
.sim-chart-price{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.sim-chart-price strong{font:700 25px var(--font-display);letter-spacing:-.04em}
.sim-chart-price span{font-size:12px;font-weight:700}
.sim-chart-symbol{font:700 12px var(--font-display);color:var(--green-soft);border:1px solid rgba(0,229,160,.2);background:rgba(0,229,160,.05);border-radius:8px;padding:8px 10px}
.sim-chart-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);margin-top:19px;padding-bottom:10px;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.08em}
.sim-chart-tools>div{display:flex;gap:4px}
.sim-range{min-width:35px;padding:5px 8px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--muted);font-size:10px;font-weight:700;cursor:pointer}
.sim-range:hover,.sim-range.active{border-color:rgba(0,229,160,.25);background:rgba(0,229,160,.08);color:var(--green-soft)}
.sim-chart-canvas{width:100%;margin-top:10px;min-height:160px}
.sim-candle-chart{display:block;width:100%;height:auto;overflow:visible}
.sim-chart-legend{display:flex;align-items:center;gap:13px;flex-wrap:wrap;color:var(--muted);font-size:9px;margin-top:2px}
.sim-chart-legend span{display:inline-flex;align-items:center;gap:5px}
.sim-chart-legend i{width:7px;height:7px;border-radius:2px;display:inline-block}
.sim-chart-legend .green{background:#00d9a0}.sim-chart-legend .red{background:#ff6577}.sim-chart-legend .volume{background:#6d7c95;opacity:.65}
.sim-chart-note{margin-left:auto}
.sim-chart-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:14px 0 16px;border-bottom:1px solid var(--line)}
.sim-chart-stats div{min-width:0;display:flex;flex-direction:column;gap:5px}
.sim-chart-stats span{font-size:9px;color:var(--muted);letter-spacing:.08em}
.sim-chart-stats strong{font:600 11px var(--font-display);overflow-wrap:anywhere}
.sim-order-panel{padding-top:17px}
.sim-order-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}
.sim-order-live{font-size:9px;font-weight:900;letter-spacing:.08em;color:var(--green-soft);border:1px solid rgba(0,229,160,.25);border-radius:6px;padding:5px 7px}
.sim-order-side{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:14px 0}
.sim-order-side .side-btn{border-radius:8px;min-height:38px;font-size:11px;font-weight:800;letter-spacing:.03em;cursor:pointer;border:1px solid var(--line);background:#0a111f;color:var(--muted)}
.sim-order-side .side-btn.buy.active{color:#03261b;background:linear-gradient(135deg,#00d69a,#6ff5c6);border-color:transparent}
.sim-order-side .side-btn.sell.active{color:#fff;background:linear-gradient(135deg,#b8324e,#f06479);border-color:transparent}
.sim-qty-label{display:block;font-size:11px;font-weight:700;color:#d3dbea}
.sim-qty-label span{float:right;color:var(--muted);font-size:10px;font-weight:400}
.sim-qty-label input{display:block;width:100%;margin-top:7px;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:9px;background:#080e19;color:var(--ink);outline:none}
.sim-qty-label input:focus{border-color:rgba(0,229,160,.5);box-shadow:0 0 0 3px rgba(0,229,160,.07)}
.sim-order-estimate{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;margin-top:3px;color:var(--muted);font-size:11px}
.sim-order-estimate strong{color:var(--ink);font:600 14px var(--font-display)}
.sim-submit{width:100%;height:44px;gap:9px;font-size:12px}
.sim-submit svg{width:16px;height:16px}
.sim-submit:disabled{opacity:.5;cursor:not-allowed}
.sim-order-footnote{font-size:10px;color:var(--muted);line-height:1.5;margin-top:10px}
.trade-msg{font-size:11px;line-height:1.5;min-height:0;margin-top:0;overflow-wrap:anywhere}
.trade-msg.show{margin-top:10px;padding:9px 10px;border:1px solid rgba(0,229,160,.22);border-radius:8px;background:rgba(0,229,160,.055)}
.trade-msg.error{margin-top:10px;padding:9px 10px;border:1px solid rgba(255,101,119,.3);border-radius:8px;background:rgba(255,101,119,.07);color:#ff9aa7}
.trade-msg.success{color:var(--green-soft)}
.sim-activity-panel{margin-top:15px}
.sim-tabs{display:flex;align-items:center;gap:6px;padding:13px 16px;border-bottom:1px solid var(--line)}
.sim-tab{display:inline-flex;align-items:center;gap:7px;padding:9px 11px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--muted);font-size:11px;font-weight:700;cursor:pointer}
.sim-tab svg{width:15px;height:15px}
.sim-tab span{font-size:10px;background:rgba(148,163,184,.1);border-radius:6px;padding:2px 6px}
.sim-tab.active{color:var(--green-soft);border-color:rgba(0,229,160,.2);background:rgba(0,229,160,.06)}
.sim-table-wrap{overflow:auto}
.sim-table{border-collapse:collapse;width:100%;white-space:nowrap;font-size:11px}
.sim-table th{padding:12px 14px;text-align:left;color:#718099;font-size:9px;letter-spacing:.08em;font-weight:800;border-bottom:1px solid var(--line)}
.sim-table td{padding:13px 14px;border-bottom:1px solid rgba(148,163,184,.07);color:#c7d1e2}
.sim-table tbody tr:last-child td{border-bottom:0}
.sim-table td:first-child strong{display:block;color:var(--ink)}
.sim-table td:first-child small{display:block;color:var(--muted);font-size:9px;margin-top:3px}
.sim-side-pill{display:inline-block;padding:3px 7px;border-radius:5px;font-size:9px;font-weight:900}
.sim-side-pill.buy{background:rgba(0,229,160,.1);color:var(--green-soft)}
.sim-side-pill.sell{background:rgba(255,101,119,.1);color:#ff8796}
.sim-quick-sell{padding:5px 9px;border:1px solid rgba(255,101,119,.28);border-radius:6px;background:rgba(255,101,119,.06);color:#ff9aa7;font-size:10px;font-weight:800;cursor:pointer}
.sim-quick-sell:hover{background:rgba(255,101,119,.14)}
.sim-empty,.sim-empty-state{color:var(--muted);font-size:12px}
.sim-empty{padding:18px 8px}
.sim-empty-state{min-height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:24px;text-align:center}
.sim-empty-state svg{width:27px;height:27px;color:var(--green-soft);margin-bottom:4px}
.sim-empty-state strong{color:var(--ink);font-size:13px}
.sim-empty-state span{max-width:360px;line-height:1.6}
.sim-footer-note{display:flex;align-items:flex-start;gap:9px;margin-top:15px;color:var(--muted);font-size:10px;line-height:1.6}
.sim-footer-note svg{width:14px;height:14px;flex:none;margin-top:2px}
@media(max-width:1000px){.sim-market-layout{grid-template-columns:minmax(230px,.72fr) minmax(0,1.4fr)}.sim-account-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sim-chart-panel{padding:16px}}
@media(max-width:720px){.sim-terminal{padding-top:28px}.sim-terminal-head{align-items:flex-start}.sim-terminal-head>.btn{flex:none;padding:0 12px}.sim-terminal-head h2{font-size:27px}.sim-disclaimer{align-items:flex-start;flex-wrap:wrap}.sim-feed{margin-left:30px}.sim-market-layout{grid-template-columns:1fr}.sim-market-panel{order:2}.sim-chart-panel{order:1}.sim-watchlist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 8px}.sim-watch-head{display:none}.sim-watch-row{border-top:1px solid rgba(148,163,184,.08)}.sim-watch-name small{max-width:110px}.sim-chart-price strong{font-size:22px}.sim-chart-note{margin-left:0}.sim-chart-stats{gap:6px}.sim-chart-stats strong{font-size:10px}.sim-account-card{padding:13px}.sim-account-card strong{font-size:19px}.sim-table{font-size:10px}.sim-table th,.sim-table td{padding:11px 10px}}
@media(max-width:420px){.sim-terminal-head{flex-direction:column}.sim-terminal-head>.btn{height:38px}.sim-account-grid{gap:8px}.sim-account-card span{font-size:9px}.sim-account-card strong{font-size:17px}.sim-watchlist{grid-template-columns:1fr}.sim-chart-panel{padding:13px}.sim-chart-header h3{font-size:16px}.sim-chart-symbol{font-size:10px;padding:6px}.sim-chart-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.sim-tab{padding:8px 7px;font-size:10px}}

/* ============ COMPACT MOBILE PASS (2026-10-22) ============
   Every rule below only reduces size/spacing at mobile widths.
   Nothing is enlarged; desktop rendering is untouched.
   Form-field font sizes are intentionally left alone (iOS zoom guard). */
@media(max-width:600px){
  body{font-size:14px;line-height:1.65}
  /* header */
  .site-header{padding:8px 14px;min-height:54px;row-gap:2px}
  .brand{font-size:15px;gap:8px}
  .brand-mark{width:30px;height:30px;border-radius:10px}
  .brand-mark svg{width:16px;height:16px}
  .header-right{gap:8px}
  .lang-toggle{padding:4px 9px;font-size:11px;gap:4px}
  .header-cta{padding:7px 12px;font-size:11.5px}
  .main-nav{gap:14px;padding:4px 0 1px}
  .main-nav a{font-size:12.5px}
  /* hero */
  .hero{padding-top:30px;padding-bottom:36px;gap:20px}
  .eyebrow{font-size:10px;letter-spacing:1.8px;padding:7px 13px;gap:8px}
  .live-dot{width:7px;height:7px}
  h1{font-size:32px;margin:18px 0 14px}
  .hero-description{font-size:14px;line-height:1.65}
  .hero-actions{margin-top:20px;gap:10px}
  .btn{height:44px;padding:0 20px;font-size:13px;gap:8px}
  .btn svg{width:15px;height:15px}
  .hero-proof{margin-top:20px;padding:12px 14px;gap:10px;border-radius:14px}
  .proof-icon{width:32px;height:32px;border-radius:10px}
  .proof-icon svg{width:16px;height:16px}
  .hero-proof strong{font-size:13px}
  .hero-proof span{font-size:12px;line-height:1.55}
  .hero-art{padding:12px;border-radius:18px}
  .art-topline{font-size:9px;margin-bottom:8px}
  .art-tag{padding:5px 9px;gap:5px}
  .art-tag svg{width:11px;height:11px}
  .art-bottom{margin-top:10px}
  .art-bottom>div{font-size:11.5px;gap:7px}
  .art-number{width:26px;height:26px;font-size:10px;border-radius:8px}
  .hero-footnote{margin-top:12px;font-size:11px;line-height:1.55}
  .hero-footnote svg{width:13px;height:13px}
  /* stats */
  .stats{padding:16px 0;gap:12px}
  .stats strong{font-size:24px}
  .stats span{font-size:11px}
  .stats-note{padding:10px 12px;font-size:12px;gap:9px;border-radius:12px;line-height:1.55}
  .stats-note svg{width:18px;height:18px}
  /* how it works / steps */
  .how-section{padding:36px 0 2px}
  .section-heading h2{font-size:23px;margin:10px 0 8px}
  .section-heading p{font-size:13.5px}
  .learning-steps{margin-top:22px;gap:10px}
  .step-card{padding:14px;border-radius:16px}
  .step-num{font-size:10px;padding:3px 8px;border-radius:7px}
  .step-icon{width:34px;height:34px;border-radius:11px;margin:10px 0 8px}
  .step-icon svg{width:18px;height:18px}
  .step-card h3{font-size:15px;margin-bottom:5px}
  .step-card p{font-size:12.5px;line-height:1.6}
  /* lessons library */
  .lessons-section{padding:32px 0 16px}
  .lessons-heading h2{font-size:23px}
  .lessons-heading p{font-size:13.5px}
  .library-count strong{font-size:30px}
  .library-count span{font-size:11px}
  .library-tools{margin-top:18px;gap:9px}
  .search-box,.select-wrap{height:44px;padding:0 13px;gap:9px}
  .search-box svg,.select-wrap svg{width:15px;height:15px}
  .saved-filter{height:44px;padding:0 15px;font-size:12.5px;gap:8px}
  .chapter-strip{margin-top:14px;gap:7px;padding-bottom:6px}
  .chapter-chip{padding:7px 12px;font-size:11px}
  .lesson-list{gap:12px}
  .lesson-card{border-radius:16px}
  .lesson-content{padding:16px 15px 15px}
  .lesson-topline{margin-bottom:9px}
  .tip-label{font-size:10px}
  .chapter-label{font-size:9.5px;padding:4px 9px}
  .lesson-title{font-size:17px;margin-bottom:11px}
  .field-label{font-size:9.5px;margin-bottom:5px}
  .meaning{font-size:13.5px;line-height:1.7}
  .example-block{margin-top:12px;padding-left:12px}
  .example-block p{font-size:13.5px;line-height:1.65}
  .lesson-details{gap:9px;margin-top:12px}
  .detail-row{padding:10px 12px;border-radius:12px}
  .detail-row p{font-size:13px;line-height:1.65}
  .lesson-actions{padding-top:14px;gap:8px}
  .save-btn,.expand-btn{height:38px;padding:0 14px;font-size:12px;gap:7px}
  .save-btn svg,.expand-btn svg{width:14px;height:14px}
  .lesson-disc{font-size:11px;margin-top:8px}
  .lesson-visual{min-height:175px;padding:36px 8px 8px}
  .visual-header{top:11px;left:12px;right:12px;font-size:8.5px}
  .diagram{max-height:150px}
  .visual-caption{font-size:9px}
  .load-more-wrap{margin:22px 0 6px;gap:12px}
  .load-more-wrap>span{font-size:11.5px}
  .empty-state{padding:40px 16px;border-radius:18px}
  .empty-icon{width:46px;height:46px;border-radius:14px;margin-bottom:12px}
  .empty-icon svg{width:22px;height:22px}
  .empty-state h3{font-size:17px}
  .empty-state p{font-size:13px;margin-bottom:16px}
  /* risk + footer */
  .risk-section{margin-top:36px;padding:20px 15px;gap:12px;border-radius:20px}
  .risk-icon{width:40px;height:40px;border-radius:12px}
  .risk-icon svg{width:22px;height:22px}
  .risk-copy h2{font-size:20px;margin-bottom:8px}
  .risk-copy p{font-size:13.5px;line-height:1.7}
  .risk-side{padding:13px;border-radius:14px}
  .risk-side svg{width:19px;height:19px;margin-bottom:8px}
  .risk-side strong{font-size:13px;margin-bottom:5px}
  .risk-side span{font-size:12px;line-height:1.6}
  .site-footer{margin-top:40px}
  .footer-inner{padding:16px 0;gap:8px}
  .footer-inner .brand{font-size:13.5px}
  .footer-inner>span{font-size:11.5px}
  .back-top{font-size:11.5px;gap:6px}
  /* platform: course / modules */
  .continue-banner{margin-top:12px;padding:0 16px}
  .continue-banner>div,.continue-banner{padding:11px 13px;border-radius:12px;gap:10px}
  .continue-banner strong{font-size:13.5px}
  .eyebrow-sm{font-size:10px}
  .module-grid{grid-template-columns:1fr;gap:12px;margin-top:20px}
  .module-card{padding:17px;border-radius:18px}
  .module-top{margin-bottom:10px}
  .module-icon{width:40px;height:40px;border-radius:13px}
  .module-icon svg{width:20px;height:20px}
  .module-icon.lg{width:54px;height:54px;border-radius:16px}
  .module-icon.lg svg{width:27px;height:27px}
  .module-num{min-width:34px;height:28px;font-size:11px;padding:0 8px;border-radius:8px}
  .module-card h3{font-size:16.5px;margin-bottom:6px}
  .module-card p{font-size:13px;line-height:1.6;margin-bottom:11px}
  .module-meta{font-size:11.5px;gap:8px;margin-bottom:10px}
  .quiz-badge{padding:2px 10px;font-size:10.5px}
  .progress-track{height:7px}
  .progress-track.inline{width:110px}
  .complete-btn{padding:6px 12px;font-size:11.5px}
  .back-link{font-size:12.5px;margin-bottom:11px}
  .module-hero{padding:17px;gap:13px;border-radius:18px;margin-bottom:17px}
  .module-hero h2{font-size:21px}
  .module-hero p{font-size:13.5px;margin-bottom:10px}
  .module-foot{margin:20px 0 6px}
  /* quiz + certificate */
  .quiz-head{margin:10px 0 6px}
  .quiz-count{font-size:12px}
  .quiz-progress{height:7px;margin-bottom:17px}
  .quiz-q{font-size:17px;line-height:1.45;margin-bottom:14px}
  .quiz-opts{gap:8px}
  .quiz-opt{padding:12px 13px;font-size:13.5px;border-radius:11px}
  .quiz-explain{margin-top:13px;padding:13px;font-size:13px;line-height:1.6}
  .quiz-explain .btn{margin-top:10px}
  .quiz-note{font-size:11.5px}
  .quiz-result{padding:22px 0}
  .score-ring{width:88px;height:88px;font-size:19px;margin-bottom:13px}
  .quiz-actions{margin-top:14px;gap:8px}
  .cert-form{margin-top:14px;gap:8px}
  .cert-form input{padding:9px 12px;min-width:200px}
  .certificate{padding:22px 15px;border-radius:15px;margin:16px auto}
  .cert-brand{font-size:13px}
  .cert-title{font-size:20px;margin:10px 0 3px}
  .cert-name{font-size:24px;margin:8px 0}
  .cert-sub,.cert-date{font-size:12px}
  .cert-module{font-size:13.5px;margin:9px 0}
  .cert-note{font-size:10px;margin-top:12px}
  /* simulator (terminal + legacy panels) */
  .sim-terminal{padding:26px 0 40px}
  .sim-terminal-head{gap:14px;margin-bottom:16px}
  .sim-terminal-head h2{font-size:24px;margin:9px 0 6px}
  .sim-terminal-head p,.sim-panel-title p,.sim-order-heading p{font-size:12px}
  .sim-disclaimer,.sim-disc{padding:10px 12px;font-size:12px;line-height:1.55;border-radius:11px;gap:9px}
  .sim-account-grid{gap:9px;margin:12px 0}
  .sim-account-card{padding:12px;border-radius:13px}
  .sim-account-card strong{font-size:17px;margin:7px 0 4px}
  .sim-account-card span{font-size:10px}
  .sim-account-card small{font-size:9.5px}
  .sim-market-layout{gap:11px}
  .sim-panel{border-radius:15px}
  .sim-market-panel{padding:13px 11px}
  .sim-panel-title{margin-bottom:11px}
  .sim-panel-title h3,.sim-order-heading h3{font-size:14.5px}
  .sim-market-count{font-size:8.5px;padding:4px 6px}
  .sim-search{height:36px;padding:0 9px;margin-bottom:10px;gap:7px}
  .sim-search svg{width:13px;height:13px}
  .sim-watch-row{padding:9px 6px;gap:7px}
  .sim-watch-name strong{font-size:11px}
  .sim-watch-name small{font-size:9.5px;max-width:100px}
  .sim-watch-price strong{font-size:10.5px}
  .sim-watch-price small{font-size:9.5px}
  .sim-chart-panel{padding:13px}
  .sim-chart-header h3{font-size:16px;margin-bottom:6px}
  .sim-chart-price strong{font-size:21px}
  .sim-chart-price span{font-size:11px}
  .sim-chart-symbol{font-size:10.5px;padding:6px 8px}
  .sim-chart-tools{margin-top:13px;padding-bottom:8px;font-size:8.5px}
  .sim-range{min-width:31px;padding:4px 6px;font-size:9.5px}
  .sim-chart-canvas{min-height:130px;margin-top:7px}
  .sim-chart-stats{gap:6px;padding:11px 0 12px}
  .sim-chart-stats span{font-size:8.5px}
  .sim-chart-stats strong{font-size:10.5px}
  .sim-chart-legend{font-size:8.5px;gap:10px}
  .sim-order-panel{padding-top:13px}
  .sim-order-side{margin:11px 0;gap:6px}
  .sim-order-side .side-btn{min-height:34px;font-size:10.5px}
  .sim-qty-label{font-size:10.5px}
  .sim-qty-label input{height:38px;margin-top:6px;padding:0 10px}
  .sim-order-estimate{padding:9px 0;font-size:10.5px}
  .sim-order-estimate strong{font-size:13px}
  .sim-submit{height:40px;font-size:11.5px;gap:7px}
  .sim-order-footnote{font-size:9.5px;margin-top:8px}
  .sim-activity-panel{margin-top:12px}
  .sim-tabs{padding:10px 11px;gap:5px}
  .sim-tab{padding:7px 9px;font-size:10.5px;gap:5px}
  .sim-tab svg{width:13px;height:13px}
  .sim-tab span{font-size:9px;padding:1px 5px}
  .sim-table{font-size:10px}
  .sim-table th{padding:9px 10px;font-size:8.5px}
  .sim-table td{padding:10px}
  .sim-footer-note{font-size:9.5px;margin-top:11px;gap:7px}
  .sim-top{gap:9px;margin:14px 0}
  .sim-stat{padding:11px 12px;border-radius:11px}
  .sim-stat span{font-size:10.5px}
  .sim-stat strong{font-size:18px;margin-top:3px}
  .sim-watch,.sim-trade,.sim-pos{padding:14px;border-radius:16px}
  .sim-watch h3,.sim-trade h3,.sim-pos h3{font-size:14px;margin-bottom:10px}
  .sim-row{padding:8px 2px;gap:8px}
  .sim-row strong{font-size:12.5px}
  .sim-row small{font-size:11px}
  .spark{width:76px;height:25px}
  .sim-pr span{font-size:13px}
  .side-btn{padding:8px}
  .sim-trade label{font-size:11.5px;margin-bottom:10px}
  .sim-trade input{padding:9px 11px;margin-top:5px}
  .trade-sym{font-size:13px;margin:6px 0 10px}
  .trade-row{gap:7px;margin-bottom:10px}
  /* tutor */
  .tutor-disc{font-size:12px;padding:9px 12px;border-radius:9px;line-height:1.6}
  .chat-box{height:280px;padding:13px;gap:9px;margin:12px 0;border-radius:18px}
  .msg{max-width:88%;padding:10px 13px;font-size:13px;line-height:1.6;border-radius:12px}
  .tutor-links{margin-top:8px;gap:6px;font-size:11.5px}
  .tutor-links a{padding:3px 10px;font-size:11px}
  .chat-suggest{gap:6px;margin-bottom:9px}
  .chip{padding:7px 12px;font-size:11.5px}
  .chat-input{gap:8px}
  .chat-input input{padding:11px 13px}
  .tutor-foot{font-size:11px}
  /* journal */
  .jrn-grid{gap:12px;margin-bottom:12px}
  .jrn-card{padding:15px;border-radius:18px;margin-bottom:12px}
  .jrn-card h3{font-size:15px;margin-bottom:11px}
  .jrn-card h4{font-size:13px;margin:13px 0 7px}
  .jrn-stats{gap:8px}
  .jrn-stats>div{padding:8px 10px;border-radius:9px}
  .jrn-stats span{font-size:10px}
  .jrn-stats strong{font-size:15px;margin-top:3px}
  .insights{font-size:12.5px;line-height:1.65;padding-left:16px}
  .insights li{margin-bottom:5px}
  .jrn-form{gap:8px}
  .jrn-form label{font-size:11.5px}
  .jrn-form input,.jrn-form select,.jrn-form textarea{padding:9px 11px;margin-top:4px}
  .jrn-row{gap:9px;padding:7px 2px;font-size:12.5px}
  .jrn-side{font-size:9.5px;padding:2px 7px}
  .jrn-tag{font-size:10px;padding:1px 8px}
  /* tools */
  .tools-nav{gap:8px;margin:13px 0}
  .tool-tab{padding:10px 14px;font-size:12.5px;border-radius:11px;min-width:0}
  .gloss-grid{gap:9px;margin-top:12px}
  .gloss-card{padding:11px 13px;border-radius:11px}
  .gloss-card strong{font-size:13px}
  .gloss-card p{font-size:12px;line-height:1.55;margin-top:4px}
  .calc-grid{gap:12px}
  .calc-res{font-size:13px}
  .calc-res strong{font-size:15.5px}
  .plan-actions{gap:8px;margin-top:11px}
  .plan-doc{padding:22px;border-radius:11px;margin-top:14px}
  .plan-row{padding:8px 0}
  .plan-row strong{font-size:12px}
  .plan-row p{font-size:13.5px;margin-top:3px}
  .btn-sm{padding:8px 15px;font-size:12.5px}
  /* legal page */
  .legal-wrap{margin:30px auto 48px;padding:0 18px}
  .legal-wrap h1{font-size:30px;margin:10px 0}
  .legal-wrap h2{font-size:19px;margin:26px 0 8px}
  .legal-wrap p,.legal-wrap li{line-height:1.7}
  .legal-callout{padding:14px 15px;border-radius:12px;margin:18px 0}
  .legal-updated{font-size:12px}
}
/* small phones */
@media(max-width:380px){
  h1{font-size:29px}
  .brand{font-size:14px}
  .header-cta{padding:6px 10px;font-size:11px}
  .hero-actions .btn{padding:0 12px}
  .learning-steps{gap:8px}
  .step-card{padding:12px}
  .stats strong{font-size:22px}
  .main-nav{gap:12px}
  .lesson-title{font-size:16px}
  .lesson-content{padding:14px 13px 13px}
  .module-hero{flex-direction:column;gap:10px}
  .quiz-q{font-size:16px}
  .cert-name{font-size:22px}
}

/* ============ PAYWALL (₹1 unlock) ============ */
body.tk-locked{overflow:hidden}
.paywall{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:18px;overflow-y:auto;
  background:radial-gradient(900px 500px at 50% -10%,rgba(0,229,160,.12),transparent 60%),rgba(3,5,10,.9);
  backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);
  opacity:1;transition:opacity .45s ease}
.paywall-hide{opacity:0;pointer-events:none}
.paywall-card{width:100%;max-width:430px;text-align:center;padding:32px 28px 26px;border-radius:24px;
  background:linear-gradient(165deg,rgba(17,27,48,.97),rgba(8,13,24,.98));border:1px solid rgba(0,229,160,.28);
  box-shadow:0 32px 90px rgba(0,0,0,.6),0 0 44px rgba(0,229,160,.1)}
.paywall-brand{display:flex;align-items:center;justify-content:center;gap:9px;font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--ink)}
.paywall-lock{width:56px;height:56px;margin:20px auto 14px;border-radius:17px;display:grid;place-items:center;color:#04281c;
  background:linear-gradient(135deg,#00e5a0,#5eeabb);box-shadow:var(--glow)}
.paywall-lock svg{width:26px;height:26px}
.paywall-card h2{font-size:26px;color:#f5f8fd;margin-bottom:9px}
.paywall-sub{font-size:14px;color:var(--ink-dim);line-height:1.65;max-width:32em;margin:0 auto}
.paywall-price{margin:20px 0 6px;display:flex;align-items:baseline;justify-content:center;gap:10px}
.paywall-amount{font-family:var(--font-display);font-size:46px;font-weight:800;color:var(--green);text-shadow:0 0 30px rgba(0,229,160,.4);line-height:1}
.paywall-once{font-size:12.5px;color:var(--muted);letter-spacing:.4px}
.paywall-btn{width:100%;height:52px;font-size:15px;margin-top:12px}
.paywall-btn:disabled{opacity:.55;cursor:wait}
.paywall-status{margin-top:13px;font-size:12.5px;color:var(--muted);line-height:1.6;min-height:20px}
.paywall-status-error{color:#ff9aa7}
.paywall-points{list-style:none;margin:16px 0 0;padding:14px 0 0;border-top:1px solid var(--line);text-align:left;display:grid;gap:8px}
.paywall-points li{font-size:12.5px;color:var(--ink-dim);line-height:1.55;padding-left:20px;position:relative}
.paywall-points li::before{content:"";position:absolute;left:2px;top:7px;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.paywall-fine{margin-top:16px;font-size:11.5px;color:var(--muted-2);line-height:1.6}
.paywall-legal{margin-top:8px;font-size:11.5px}
.paywall-success .paywall-lock{background:linear-gradient(135deg,#00c98a,#4df0b8)}
@media(max-width:600px){
  .paywall{padding:12px}
  .paywall-card{padding:24px 18px 20px;border-radius:20px}
  .paywall-lock{width:48px;height:48px;border-radius:14px;margin:16px auto 12px}
  .paywall-lock svg{width:22px;height:22px}
  .paywall-card h2{font-size:22px}
  .paywall-sub{font-size:13px}
  .paywall-amount{font-size:40px}
  .paywall-btn{height:48px;font-size:14px}
}

/* ── TradeGurukul paywall trailer + success celebration ───────────────── */
.tg-trailer{margin:18px auto 2px;max-width:372px;text-align:left}
.tg-trailer-stage{position:relative;border-radius:16px;overflow:hidden;background:radial-gradient(120% 140% at 15% 0%,#14283d 0%,#0b1420 55%,#070d16 100%);border:1px solid var(--line);aspect-ratio:16/8.1;box-shadow:0 14px 34px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.05)}
.tg-scene{position:absolute;inset:0;padding:16px 18px;display:flex;flex-direction:column;justify-content:center;opacity:0;transform:scale(1.035);transition:opacity .55s ease,transform .55s ease;pointer-events:none}
.tg-scene.is-active{opacity:1;transform:scale(1);pointer-events:auto}
.tg-kicker{font-size:10px;letter-spacing:2.2px;text-transform:uppercase;color:var(--green);font-weight:700;margin:0 0 7px}
.tg-big{font-family:var(--font-display);font-size:29px;line-height:1.12;font-weight:800;color:#f5f8fd;margin:0}
.tg-cap{font-size:12px;color:#a9bcd2;margin:9px 0 0}
.tg-cap-bottom{position:absolute;left:18px;bottom:13px;margin:0}
.tg-chart{width:88%;margin:2px auto 0;display:block}
.tg-scene.is-active .tg-trend{stroke-dasharray:340;stroke-dashoffset:340;animation:tg-draw 1.6s .25s ease forwards}
@keyframes tg-draw{to{stroke-dashoffset:0}}
.tg-sim{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:10px 12px;width:86%;margin:0 auto}
.tg-sim-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:7px}
.tg-sim-chip{font-size:9.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:#0b1420;background:#ffd166;border-radius:999px;padding:3px 8px}
.tg-sim-bal{font-size:11.5px;color:#e8eef5;font-weight:700}
.tg-sim-row{display:flex;justify-content:space-between;font-size:12px;color:#c7d5e6;padding:3.5px 0;border-top:1px dashed rgba(255,255,255,.08)}
.tg-sim-row:first-of-type{border-top:none}
.tg-up{color:var(--green);font-weight:700}
.tg-down{color:#ff5d73;font-weight:700}
.tg-cert{display:flex;align-items:center;gap:14px;background:linear-gradient(160deg,#fdf6dd,#f3e3ae);border-radius:10px;padding:16px 18px;width:78%;margin:6px auto 0;box-shadow:0 10px 24px rgba(0,0,0,.4)}
.tg-cert-seal{width:40px;height:40px;flex:0 0 40px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffe9a3,#d9a821 60%,#a87c10);box-shadow:inset 0 0 0 3px rgba(255,255,255,.45)}
.tg-cert-lines{display:grid;gap:7px;flex:1}
.tg-cert-lines span{display:block;height:7px;border-radius:4px;background:#c9b269}
.tg-cert-lines .tg-cert-short{width:55%}
.tg-trailer-meta{display:flex;align-items:center;gap:12px;margin-top:9px}
.tg-trailer-dots{display:flex;gap:6px}
.tg-trailer-dots button{width:7px;height:7px;border-radius:50%;border:none;padding:0;background:#33465e;cursor:pointer;transition:background .3s,transform .3s}
.tg-trailer-dots button.is-active{background:var(--green);transform:scale(1.25)}
.tg-trailer-track{flex:1;height:3px;border-radius:3px;background:#1d2c40;overflow:hidden}
.tg-trailer-fill{display:block;height:100%;width:0;background:var(--green);border-radius:3px}

.tg-celebrate{position:absolute;inset:0;z-index:5;display:grid;place-items:center;background:rgba(4,10,17,.9);backdrop-filter:blur(3px);opacity:0;transition:opacity .35s ease;overflow:hidden;border-radius:inherit}
.tg-celebrate.is-on{opacity:1}
.tg-celebrate-card{position:relative;text-align:center;padding:26px 30px;max-width:340px;transform:scale(.92);transition:transform .4s cubic-bezier(.2,1.4,.4,1)}
.tg-celebrate.is-on .tg-celebrate-card{transform:scale(1)}
.tg-celebrate-card h3{font-family:var(--font-display);font-size:25px;color:#f5f8fd;margin:16px 0 7px}
.tg-celebrate-card p{font-size:13.5px;color:#a9bcd2;line-height:1.6;margin:0}
.tg-check{width:76px;height:76px;border-radius:50%;background:radial-gradient(circle at 32% 28%,#123f2e,#0a2a1f 70%);box-shadow:0 0 0 1px rgba(0,229,160,.35),0 12px 30px rgba(0,229,160,.22)}
.tg-check-ring{fill:none;stroke:var(--green);stroke-width:3.4;stroke-linecap:round;stroke-dasharray:202;stroke-dashoffset:202;animation:tg-ring .65s .1s ease forwards}
.tg-check-tick{fill:none;stroke:#eafff6;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:44;stroke-dashoffset:44;animation:tg-ring .4s .68s ease forwards}
@keyframes tg-ring{to{stroke-dashoffset:0}}
.tg-celebrate-bar{height:5px;border-radius:5px;background:#1d2c40;overflow:hidden;margin:20px auto 9px;max-width:230px}
.tg-celebrate-bar span{display:block;height:100%;width:100%;background:var(--green);border-radius:5px;transform-origin:left;animation:tg-drain 5s linear forwards}
@keyframes tg-drain{from{transform:scaleX(1)}to{transform:scaleX(0)}}
.tg-celebrate-opening{font-size:11.5px !important;color:#7e93ab !important;letter-spacing:.4px}
.tg-confetti{position:absolute;top:-4vh;border-radius:2px;opacity:0;pointer-events:none;animation-name:tg-fall;animation-timing-function:linear;animation-fill-mode:forwards}
@keyframes tg-fall{8%{opacity:1}88%{opacity:.95}to{transform:translateY(112vh) rotate(680deg);opacity:.55}}

@media (max-width:560px){
  .tg-trailer{margin-top:14px}
  .tg-trailer-stage{aspect-ratio:16/8.8}
  .tg-scene{padding:13px 14px}
  .tg-big{font-size:24px}
  .tg-cap{font-size:11px}
  .tg-cap-bottom{left:14px;bottom:11px}
  .tg-sim{width:92%;padding:8px 10px}
  .tg-cert{width:86%;padding:13px 14px}
  .tg-celebrate-card{padding:20px 16px}
  .tg-celebrate-card h3{font-size:22px}
  .tg-check{width:66px;height:66px}
}
.calc-single{grid-template-columns:1fr;max-width:560px;margin:0 auto}

/* trailer scenes: library / tutor / journal / glossary / brokerage */
.tg-mock{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:11px 12px;width:88%;margin:0 auto}
.tg-search{display:flex;align-items:center;gap:8px;background:#0d1826;border:1px solid var(--line);border-radius:999px;padding:6px 11px;margin-bottom:8px}
.tg-search-ic{width:9px;height:9px;flex:0 0 9px;border:2px solid #7e93ab;border-radius:50%;position:relative}
.tg-search-ic::after{content:"";position:absolute;right:-5px;bottom:-4px;width:6px;height:2px;background:#7e93ab;transform:rotate(45deg);border-radius:2px}
.tg-search-txt{font-size:11.5px;color:#7e93ab}
.tg-tiprow{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#c7d5e6;padding:4.5px 1px;border-top:1px dashed rgba(255,255,255,.08)}
.tg-bookmark{width:9px;height:12px;flex:0 0 9px;background:var(--green);clip-path:polygon(0 0,100% 0,100% 100%,50% 74%,0 100%);opacity:.85}
.tg-bubble{font-size:11.5px;line-height:1.5;border-radius:11px;padding:7px 10px;max-width:92%}
.tg-bubble-q{background:#12324a;color:#cfe8ff;margin-left:auto;border-bottom-right-radius:3px}
.tg-bubble-a{background:rgba(0,229,160,.12);color:#d9f7ec;margin-top:7px;border-bottom-left-radius:3px}
.tg-jrow{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#c7d5e6;padding:4.5px 0;border-top:1px dashed rgba(255,255,255,.08)}
.tg-jrow:first-child{border-top:none;padding-top:1px}
.tg-jnote{color:#ffd166;font-weight:600;font-size:11px}
.tg-term{text-align:left}
.tg-term-name{font-family:var(--font-display);font-size:16px;font-weight:800;color:#f5f8fd;margin:0 0 4px}
.tg-term-name span{font-family:var(--font-body);font-size:10px;font-weight:600;color:var(--green);letter-spacing:1px;text-transform:uppercase;margin-left:5px}
.tg-term-def{font-size:11.5px;color:#a9bcd2;line-height:1.55;margin:0}
@media (max-width:560px){
  .tg-mock{width:94%;padding:9px 10px}
  .tg-bubble{font-size:10.8px}
  .tg-term-name{font-size:14.5px}
}