:root{
  --bg:#2A1545;          /* morado CordobIA */
  --bg2:#22103a;
  --surface:#351d57;
  --surface2:#40246a;
  --line:rgba(255,255,255,.12);
  --text:#ffffff;
  --muted:#cfc3e6;
  --pink:#E6195E;
  --violet:#8A2BE2;
  --indigo:#4F46C8;
  --grad:linear-gradient(120deg,#E6195E 0%,#B5208F 45%,#4F46C8 100%);
  --yes:#22c55e;
  --no:#f97316;
  --warn:#fbbf24;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font-family:Montserrat,system-ui,-apple-system,Segoe UI,Arial,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:#ffb3cf}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,6vw,4.2rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
h4{font-size:1.05rem;font-weight:700}
p{margin:0 0 .8em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.center{text-align:center}
.mt{margin-top:2rem}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:700;color:#ff8fb8;margin-bottom:.6em}
.lead{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--muted);max-width:760px}
.lead.small{font-size:1.1rem}

/* Topbar */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:16px;padding:10px 20px;background:rgba(34,16,58,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font-weight:700;white-space:nowrap}
.brand img{height:30px;width:auto}
.brand span{font-size:.85rem;opacity:.8;border-left:1px solid var(--line);padding-left:10px}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;font-size:.82rem;font-weight:600;padding:6px 10px;border-radius:999px;white-space:nowrap}
.nav a:hover,.nav a.active{background:var(--surface2);color:#fff}
.menu-btn,.timer-toggle{background:var(--surface2);border:1px solid var(--line);color:#fff;border-radius:10px;width:40px;height:40px;font-size:1.1rem;cursor:pointer}
.menu-btn{display:none}
@media (max-width:1000px){
  .menu-btn{display:block}
  .timer-toggle{margin-left:auto}
  .nav{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:var(--bg2);padding:12px 20px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
}

/* Timer */
.timer{position:fixed;right:16px;bottom:16px;z-index:60;width:280px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.timer[hidden]{display:none}
.timer-head{display:flex;justify-content:space-between;align-items:center;font-size:.85rem}
.timer-head button{background:none;border:0;color:#fff;cursor:pointer;font-size:1rem}
.timer-block{margin-top:8px;font-weight:700;color:#ff8fb8;font-size:.9rem}
.timer-clock{font-size:2.6rem;font-weight:800;font-variant-numeric:tabular-nums}
.timer-clock.over{color:var(--no)}
.timer-bar{height:6px;background:var(--surface2);border-radius:99px;overflow:hidden}
.timer-bar span{display:block;height:100%;width:0;background:var(--grad)}
.timer-ctrl{display:flex;gap:6px;margin:10px 0 6px}
.timer-ctrl button{flex:1;background:var(--surface2);border:1px solid var(--line);color:#fff;border-radius:8px;padding:6px;cursor:pointer;font-family:inherit;font-weight:600}
.timer-total{font-size:.78rem;color:var(--muted)}

/* Hero */
.hero{padding:90px 0 70px;background:radial-gradient(1000px 500px at 85% 0%,rgba(230,25,94,.28),transparent 60%),radial-gradient(800px 500px at 0% 100%,rgba(79,70,200,.35),transparent 60%)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:36px 0;max-width:820px}
.hero-stats div{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:14px;padding:14px}
.hero-stats b{display:block;font-size:1.8rem;font-weight:800}
.hero-stats span{font-size:.82rem;color:var(--muted)}
@media (max-width:640px){.hero-stats{grid-template-columns:repeat(2,1fr)}}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-block;background:var(--grad);color:#fff;border:0;border-radius:999px;padding:12px 22px;font-weight:700;text-decoration:none;cursor:pointer;font-family:inherit;font-size:.95rem}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.35)}
.btn.sm{padding:9px 16px;font-size:.85rem}
.btn:hover{filter:brightness(1.1)}

/* Sections */
.section{padding:70px 0}
.section.alt{background:var(--bg2)}
.break-sec{background:var(--grad);padding:50px 0}
.break-sec .muted{color:#fff}
.break-sec .eyebrow{color:#fff}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:860px){.two,.grid3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card.accent{background:linear-gradient(160deg,rgba(230,25,94,.25),rgba(79,70,200,.25)),var(--surface)}
.card.warn{border-color:rgba(251,191,36,.5)}
.card p:last-child{margin-bottom:0}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}

.speaker{display:flex;gap:18px}
.avatar{flex:0 0 72px;height:72px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:1.5rem}
.ticks{list-style:none;padding:0;margin:0}
.ticks li{padding-left:22px;position:relative;margin:.25em 0;color:var(--muted)}
.ticks li::before{content:"✓";position:absolute;left:0;color:#ff8fb8;font-weight:800}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chips button{background:var(--surface2);border:1px solid var(--line);color:#fff;border-radius:999px;padding:8px 14px;cursor:pointer;font-family:inherit;font-weight:600;font-size:.88rem}
.chips button.on{background:var(--grad);border-color:transparent}
.tip{background:rgba(255,255,255,.06);border-left:0;border-radius:12px;padding:12px 14px;margin-top:12px}
.tip.small{font-size:.88rem;color:var(--muted)}
.tip b{color:#fff}

/* Agenda */
.agenda{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:10px}
.agenda li{display:flex;gap:16px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 18px}
.agenda li.break{background:transparent;border-style:dashed}
.agenda .t{font-weight:800;font-variant-numeric:tabular-nums;color:#ff8fb8;min-width:48px}
.agenda b{display:block}
.agenda small{color:var(--muted)}

/* Block head */
.block-head{display:flex;gap:18px;align-items:center;margin-bottom:28px}
.num{flex:0 0 64px;height:64px;border-radius:18px;background:var(--grad);display:grid;place-items:center;font-size:1.8rem;font-weight:800}
.block-head h2{margin:0}
.block-head .eyebrow{margin-bottom:.3em}

/* Nested rings */
.nested{margin-bottom:24px}
.ring{border-radius:22px;padding:18px 18px 18px;border:1px solid var(--line)}
.ring b{display:block;font-size:1.05rem}
.ring>span{display:block;color:var(--muted);font-size:.9rem;margin-bottom:12px}
.r1{background:rgba(79,70,200,.18)}
.r2{background:rgba(138,43,226,.22)}
.r3{background:rgba(181,32,143,.26)}
.r4{background:rgba(230,25,94,.4);margin-bottom:0}
.r4>span{margin-bottom:0;color:#fff}

.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px}
@media (max-width:760px){.compare{grid-template-columns:1fr}}
.flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0;font-weight:700}
.flow span{background:rgba(255,255,255,.1);padding:6px 12px;border-radius:999px;font-size:.88rem}
.flow span.hl{background:var(--grad)}

/* Activity */
.activity{background:var(--surface);border:1px solid rgba(255,143,184,.35);border-radius:22px;padding:24px;margin:26px 0}
.act-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.act-head h3{margin:0}
.badge{background:var(--grad);border-radius:999px;padding:4px 12px;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.score{margin-left:auto;font-weight:800;background:var(--surface2);padding:4px 12px;border-radius:999px}
.key{background:linear-gradient(120deg,rgba(230,25,94,.18),rgba(79,70,200,.18));border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.key>b:first-child{display:inline-block;background:#fff;color:var(--bg);border-radius:6px;padding:1px 8px;margin-right:8px;font-size:.8rem;text-transform:uppercase}

/* Quiz */
.quiz{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:14px}
.q{background:var(--surface2);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px}
.q p{margin:0;font-weight:600}
.q .opts{display:flex;gap:8px;margin-top:auto}
.q .opts button{flex:1;border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;border-radius:10px;padding:8px;cursor:pointer;font-family:inherit;font-weight:700}
.q .opts button:disabled{cursor:default}
.q.ok{outline:2px solid var(--yes)}
.q.ko{outline:2px solid var(--no)}
.q .exp{font-size:.85rem;color:var(--muted)}
.q .exp b{color:#fff}

/* Pipeline */
.pipeline{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:s}
.pipeline div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;position:relative}
.pipeline i{font-style:normal;font-size:1.6rem;display:block}
.pipeline b{display:block;margin:4px 0}
.pipeline span{font-size:.82rem;color:var(--muted)}
@media (max-width:900px){.pipeline{grid-template-columns:repeat(2,1fr)}}

.glossary{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.gl{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;text-align:left;color:#fff;font-family:inherit}
.gl b{display:block}
.gl span{display:none;font-size:.86rem;color:var(--muted);margin-top:6px}
.gl.open span{display:block}
.gl small{color:#ff8fb8;font-size:.75rem}

/* Labs */
.lab{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(220px,1fr);gap:20px;margin-top:14px;align-items:start}
@media (max-width:860px){.lab{grid-template-columns:1fr}}
.lab canvas{width:100%;height:auto;background:#1b0d2f;border-radius:14px;border:1px solid var(--line);touch-action:manipulation;cursor:crosshair}
.lab-side{display:flex;flex-direction:column;gap:12px}
.lab-side label{display:flex;flex-direction:column;gap:6px;font-size:.88rem}
.lab-side label.check{flex-direction:row;align-items:center;gap:8px}
.lab-side hr{border:0;border-top:1px solid var(--line);width:100%}
input[type=range]{accent-color:#E6195E;width:100%}
input[type=checkbox]{accent-color:#E6195E;width:18px;height:18px}
.seg{display:flex;background:var(--surface2);border-radius:12px;padding:4px}
.seg button{flex:1;background:none;border:0;color:#fff;padding:8px;border-radius:9px;cursor:pointer;font-family:inherit;font-weight:700;display:flex;gap:6px;align-items:center;justify-content:center}
.seg button.on{background:rgba(255,255,255,.14)}
.dot{display:inline-block;width:12px;height:12px;border-radius:50%;vertical-align:middle;margin:0 3px}
.dot.yes{background:var(--yes)}
.dot.no{background:var(--no)}
.stat{background:var(--surface2);border-radius:12px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.85rem}
.stat b{font-size:1.2rem}
.stat.big b{font-size:1.6rem}
.mini-title{font-weight:700;margin:0}
.legend{display:flex;flex-direction:column;gap:6px;font-size:.85rem}
.legend div{display:flex;align-items:center;gap:8px}

/* Powers */
.powers{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
@media (max-width:980px){.powers{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.powers{grid-template-columns:1fr}}
.power{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px}
.power i{font-style:normal;font-size:1.8rem}
.power b{display:block;margin-top:6px}
.power small{color:#ff8fb8;font-weight:600}
.power p{font-size:.86rem;color:var(--muted);margin:8px 0 0}

.usecases{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin-top:8px}
.uc{background:var(--surface2);border-radius:14px;padding:14px}
.uc small{color:#ff8fb8;font-weight:700;text-transform:uppercase;font-size:.7rem;letter-spacing:.06em}
.uc b{display:block;margin:4px 0}
.uc p{font-size:.86rem;color:var(--muted);margin:0}

/* Data */
.sources{display:flex;flex-wrap:wrap;gap:8px}
.sources span{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:.85rem}
.cs{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.cs li{background:var(--surface);border-radius:12px;padding:10px 14px;color:var(--muted)}
.cs b{color:#fff;margin-right:6px}

.table-wrap{overflow-x:auto;margin-top:12px;border-radius:12px;border:1px solid var(--line)}
.dirty{border-collapse:collapse;width:100%;min-width:720px;font-size:.88rem;background:#fff;color:#222}
.dirty th{background:#eee;text-align:left;padding:8px 10px;font-weight:700}
.dirty td{padding:8px 10px;border-top:1px solid #e5e5e5;cursor:pointer;transition:background .15s}
.dirty td:hover{background:#fbe7ef}
.dirty td.found{background:#bbf7d0;font-weight:700}
.dirty td.miss{background:#fed7aa}
.dirty td.wrong{animation:shake .3s}
@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}

.maturity{display:grid;gap:8px;margin-top:12px}
.mq{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--surface2);border-radius:12px;padding:10px 14px;font-size:.92rem}
.mq .yn{display:flex;gap:6px;flex:0 0 auto}
.mq .yn button{border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;border-radius:8px;padding:6px 14px;cursor:pointer;font-family:inherit;font-weight:700}
.mq .yn button.on{background:var(--grad);border-color:transparent}
.result{margin-top:14px;background:var(--grad);border-radius:16px;padding:18px}
.result h4{font-size:1.2rem}
.result p{margin:0}

/* Confusion */
.confusion{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:16px}
@media (max-width:760px){.confusion{grid-template-columns:repeat(2,1fr)}}
.cm{border-radius:14px;padding:12px;background:var(--surface2)}
.cm b{display:block;font-size:1.6rem}
.cm span{font-size:.8rem;color:var(--muted)}
.cm.tp{border:2px solid var(--yes)}
.cm.fp{border:2px solid var(--warn)}
.cm.fn{border:2px solid var(--no)}
.cm.profit{background:var(--grad)}
.cm.profit span{color:#fff}

/* Canvas ML */
.canvas-ml{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}
.canvas-ml label{display:flex;flex-direction:column;gap:6px;background:var(--surface2);border-radius:14px;padding:12px}
.canvas-ml .c-wide{grid-column:1/-1}
.canvas-ml span{font-weight:700;font-size:.85rem}
.canvas-ml textarea,.canvas-ml input,.canvas-ml select{background:#1b0d2f;color:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;font-family:inherit;font-size:.9rem;resize:vertical}
.canvas-ml textarea{min-height:90px}
@media (max-width:900px){.canvas-ml{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.canvas-ml{grid-template-columns:1fr}}

.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:860px){.tools{grid-template-columns:1fr}}
.tools div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px}
.tools b{display:block}
.tools span{font-size:.86rem;color:var(--muted)}

.plan .big{font-size:3rem;font-weight:800;display:block;line-height:1}
.plan .big{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.takeaways{margin:28px 0}
.takeaways ol{padding-left:22px;display:grid;gap:6px;font-size:1.05rem}
.survey{display:flex;gap:22px;align-items:center}
.survey img{width:150px;border-radius:12px;background:#fff;padding:6px}
@media (max-width:560px){.survey{flex-direction:column;text-align:center}}

/* Footer */
.footer{background:#fff;color:#434343;text-align:center;padding:22px 20px 18px}
.footer p{margin:0 0 6px;font-size:.9rem}
.footer .logos{display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap}
.footer .logos img{max-height:60px;width:auto}
.footer .logos .ipro{max-height:44px}
.footer .credits{font-size:.75rem;color:#777;margin-top:8px}

@media print{
  .topbar,.timer,.hero,.footer,.section:not(#b6){display:none!important}
  body{background:#fff;color:#000}
  #b6 .tools,#b6 .row,#b6 h3.mt,#b6 .tools{display:none}
  .activity,.canvas-ml label{background:#fff;border:1px solid #999;color:#000}
  .canvas-ml textarea,.canvas-ml input,.canvas-ml select{background:#fff;color:#000;border:1px solid #ccc}
  .num,.badge{background:#2A1545!important;color:#fff;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .muted{color:#333}
}