/* ============================================================
   LA RED QUE PIENSA — Mockup de plataforma (dark-first)
   Capa de producto sobre brand.css. Reusa los tokens de marca.
   ============================================================ */

body{background:var(--ink);color:var(--on-dark);}
a{color:inherit;text-decoration:none;}
::selection{background:rgba(127,163,141,.3);}

.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh;}

/* ---------- Sidebar ---------- */
.side{background:#0E0F0D;border-right:1px solid var(--line-dark);padding:24px 18px;display:flex;flex-direction:column;gap:30px;position:sticky;top:0;height:100vh;}
.side .brand{display:flex;align-items:center;gap:12px;}
.side .brand .wordmark{font-size:14px;letter-spacing:.05em;line-height:1.05;color:#fff;}
.nav{display:flex;flex-direction:column;gap:3px;}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:8px;font-size:14px;color:var(--dim-dark);transition:.15s;}
.nav a .dot{width:7px;height:7px;border-radius:50%;background:transparent;flex:none;transition:.15s;}
.nav a:hover{color:var(--on-dark);background:rgba(255,255,255,.035);}
.nav a.active{color:#fff;background:rgba(127,163,141,.13);}
.nav a.active .dot{background:var(--sage);box-shadow:0 0 12px 1px rgba(127,163,141,.85);}
.side .me{margin-top:auto;display:flex;align-items:center;gap:11px;padding-top:18px;border-top:1px solid var(--line-dark);}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--sage);color:#10231a;display:grid;place-items:center;font-weight:600;font-size:14px;flex:none;}
.me .who{font-size:13px;color:#fff;line-height:1.3;}
.me .who span{display:block;color:var(--dim-dark);font-size:11px;}

/* ---------- Main ---------- */
.main{padding:34px 44px 72px;max-width:1100px;}
.head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:30px;flex-wrap:wrap;gap:10px;}
.head h1{font-size:26px;font-weight:600;color:#fff;letter-spacing:-.01em;}
.head .sub{color:var(--dim-dark);font-size:14px;}

/* ---------- Hero · desafío del mes ---------- */
.hero{position:relative;overflow:hidden;border:1px solid var(--line-dark);border-radius:16px;background:#141613;padding:36px 38px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;margin-bottom:40px;}
.hero h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;color:#fff;margin:12px 0 0;line-height:1.16;max-width:20ch;}
.hero p{color:var(--dim-dark);margin-top:14px;max-width:42ch;font-size:15px;line-height:1.55;}
.hero .row{display:flex;align-items:center;gap:20px;margin-top:24px;}
.hero .count{font-size:13px;color:var(--dim-dark);}
.hero .count b{color:var(--sage);font-weight:600;}
.hero .mark{display:grid;place-items:center;}
.hero .btn-sage{box-shadow:0 0 30px -6px rgba(127,163,141,.6);}

/* ---------- Secciones ---------- */
.sec-title{font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--sage);margin:0 0 18px;}
.block{margin-bottom:44px;}

/* ---------- Materias ---------- */
.materias{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.m-card{border:1px solid var(--line-dark);border-radius:12px;background:var(--ink-2);padding:22px;transition:.15s;}
.m-card:hover{border-color:rgba(127,163,141,.45);transform:translateY(-2px);}
.m-card .ico{width:30px;height:30px;color:var(--sage);}
.m-card h3{font-size:14px;font-weight:600;color:#fff;margin:16px 0 0;letter-spacing:.02em;}
.m-card .pct{font-size:11px;color:var(--dim-dark);margin-top:14px;letter-spacing:.05em;display:flex;justify-content:space-between;}
.bar{height:6px;background:rgba(255,255,255,.07);border-radius:99px;overflow:hidden;margin-top:7px;}
.bar i{display:block;height:100%;background:var(--sage);border-radius:99px;box-shadow:0 0 10px -1px rgba(127,163,141,.7);}

/* ---------- Continuar viendo ---------- */
.lessons{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.l-card{border:1px solid var(--line-dark);border-radius:12px;overflow:hidden;background:var(--ink-2);transition:.15s;}
.l-card:hover{border-color:rgba(127,163,141,.45);}
.l-thumb{position:relative;aspect-ratio:16/9;background:#0E0F0D;display:grid;place-items:center;overflow:hidden;}
.l-thumb .neuron-wm{position:absolute;inset:0;display:grid;place-items:center;opacity:.55;}
.l-thumb .play{position:relative;z-index:2;width:46px;height:46px;border-radius:50%;background:rgba(127,163,141,.94);display:grid;place-items:center;color:#10231a;box-shadow:0 0 26px -4px rgba(127,163,141,.75);}
.l-thumb .play svg{width:16px;height:16px;margin-left:2px;}
.l-thumb .dur{position:absolute;z-index:2;right:8px;bottom:8px;font-size:10px;background:rgba(0,0,0,.6);color:#fff;padding:2px 7px;border-radius:6px;letter-spacing:.05em;}
.l-body{padding:15px 16px;}
.l-body .tag{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--sage);}
.l-body h4{font-size:14px;color:#fff;font-weight:600;margin:7px 0 13px;line-height:1.3;}
.l-foot{font-size:11px;color:var(--dim-dark);letter-spacing:.04em;}

@media(max-width:980px){.materias,.lessons{grid-template-columns:repeat(2,1fr);}}
@media(max-width:860px){.app{grid-template-columns:1fr;}.hero{grid-template-columns:1fr;}.hero .mark{display:none;}.main{padding:28px 24px 60px;}}

/* ============================================================
   Pantallas adicionales (prototipo navegable)
   ============================================================ */
@keyframes tw{0%,100%{opacity:.5}50%{opacity:1}}
.lc{animation:tw 4.5s ease-in-out infinite;}
.m-card,.l-card{display:block;cursor:pointer;}
.ico-s{display:inline-flex;}
.ico-s svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.08em;color:var(--dim-dark);text-transform:uppercase;margin-bottom:16px;}
.crumb a{color:var(--sage);}
.crumb .sep{opacity:.45;}

/* ---------- Materia / reproductor ---------- */
.learn{display:grid;grid-template-columns:1fr 330px;gap:30px;align-items:start;}
.player{position:relative;aspect-ratio:16/9;background:#000;border:1px solid var(--line-dark);border-radius:14px;overflow:hidden;display:grid;place-items:center;}
.player .neuron-wm{position:absolute;inset:0;display:grid;place-items:center;opacity:.5;}
.player .big-play{position:relative;z-index:2;width:68px;height:68px;border-radius:50%;background:rgba(127,163,141,.95);display:grid;place-items:center;color:#10231a;box-shadow:0 0 44px -6px rgba(127,163,141,.85);cursor:pointer;}
.player .big-play svg{width:24px;height:24px;margin-left:3px;}
.player .controls{position:absolute;z-index:3;left:0;right:0;bottom:0;padding:14px 16px;background:rgba(8,9,8,.66);}
.player .scrub{height:4px;background:rgba(255,255,255,.2);border-radius:99px;position:relative;}
.player .scrub i{position:absolute;left:0;top:0;height:100%;width:38%;background:var(--sage);border-radius:99px;}
.player .scrub b{position:absolute;left:38%;top:50%;transform:translate(-50%,-50%);width:11px;height:11px;border-radius:50%;background:#fff;box-shadow:0 0 10px rgba(127,163,141,.9);}
.player .ctl{display:flex;align-items:center;gap:14px;margin-top:11px;color:#fff;font-size:12px;}
.player .ctl .ico-s{width:17px;height:17px;color:#fff;}
.player .ctl .time{color:var(--dim-dark);}
.player .ctl .spacer{flex:1;}
.quality{font-size:10px;letter-spacing:.1em;border:1px solid rgba(255,255,255,.28);border-radius:6px;padding:3px 8px;color:#fff;}
.learn h1{font-size:24px;color:#fff;font-weight:600;margin:22px 0 0;letter-spacing:-.01em;}
.learn .tagline{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--sage);margin-top:14px;}
.learn .lede{color:var(--dim-dark);margin-top:14px;font-size:15px;line-height:1.62;max-width:62ch;}
.learn .actions{display:flex;gap:12px;margin-top:24px;align-items:center;flex-wrap:wrap;}
.btn-ghost-d{background:transparent;border:1px solid var(--line-dark);color:#fff;border-radius:100px;padding:13px 22px;font-family:var(--sans);font-weight:600;font-size:14px;cursor:pointer;}
.ll{border:1px solid var(--line-dark);border-radius:14px;background:var(--ink-2);overflow:hidden;}
.ll .ll-h{padding:16px 18px;border-bottom:1px solid var(--line-dark);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--sage);}
.ll a{display:flex;align-items:center;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line-dark);font-size:13px;color:var(--on-dark);}
.ll a:last-child{border-bottom:0;}
.ll a:hover{background:rgba(255,255,255,.03);}
.ll a.active{background:rgba(127,163,141,.12);color:#fff;}
.ll a .st{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--dim-dark);display:grid;place-items:center;flex:none;font-size:11px;color:var(--dim-dark);}
.ll a.done .st{background:var(--sage);border-color:var(--sage);color:#10231a;}
.ll a.active .st{border-color:var(--sage);color:var(--sage);box-shadow:0 0 12px -1px rgba(127,163,141,.8);}
.ll a .tt{flex:1;line-height:1.3;}
.ll a .dd{color:var(--dim-dark);font-size:11px;}

/* ---------- Desafío / comunidad ---------- */
.ch-hero{border:1px solid var(--line-dark);border-radius:16px;background:#141613;padding:34px 36px;margin-bottom:34px;}
.ch-hero h1{font-size:clamp(24px,3vw,34px);color:#fff;font-weight:600;max-width:24ch;margin:12px 0 0;line-height:1.16;}
.ch-hero p{color:var(--dim-dark);margin-top:14px;max-width:58ch;line-height:1.6;font-size:15px;}
.ch-stats{display:flex;gap:34px;margin-top:26px;flex-wrap:wrap;}
.ch-stats .s b{display:block;font-size:24px;color:var(--sage);font-weight:600;}
.ch-stats .s span{font-size:12px;color:var(--dim-dark);letter-spacing:.05em;}
.ch-hero .actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}
.ch-hero .btn-sage{box-shadow:0 0 30px -6px rgba(127,163,141,.6);}
.feed{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.post{border:1px solid var(--line-dark);border-radius:12px;background:var(--ink-2);padding:18px 20px;}
.post .top{display:flex;align-items:center;gap:10px;margin-bottom:13px;}
.post .top .av{width:34px;height:34px;border-radius:50%;background:var(--ink-3);color:var(--sage);display:grid;place-items:center;font-size:12px;font-weight:600;flex:none;}
.post .top .nm{font-size:13px;color:#fff;}
.post .top .nm span{display:block;color:var(--dim-dark);font-size:11px;}
.post h4{font-size:14px;color:#fff;margin:0 0 8px;font-weight:600;}
.post p{font-size:13px;color:var(--dim-dark);line-height:1.55;margin:0 0 14px;}
.post .pmeta{display:flex;gap:18px;font-size:12px;color:var(--dim-dark);}
.post .pmeta .m{display:flex;align-items:center;gap:6px;}
.post .pmeta .ico-s{width:15px;height:15px;}
.wall{display:flex;align-items:center;}
.wall .av{width:32px;height:32px;border-radius:50%;border:2px solid #141613;background:var(--ink-3);margin-left:-9px;display:grid;place-items:center;font-size:11px;color:var(--sage);font-weight:600;}
.wall .av:first-child{margin-left:0;}

/* ---------- Progreso ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:38px;}
.metric{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:12px;padding:20px;}
.metric .v{font-size:27px;font-weight:600;color:#fff;}
.metric .v b{color:var(--sage);}
.metric .l{font-size:12px;color:var(--dim-dark);letter-spacing:.04em;margin-top:5px;}
.map-wrap{border:1px solid var(--line-dark);border-radius:16px;background:#0E0F0D;padding:22px;margin-bottom:40px;position:relative;}
.map-wrap .cap .k{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--sage);}
.map-wrap .cap .t{font-size:18px;color:#fff;font-weight:600;margin-top:5px;}
.map{width:100%;height:auto;display:block;margin-top:6px;}
.map text{font-family:var(--sans);}
.skills{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.skill{display:flex;align-items:center;gap:12px;border:1px solid var(--line-dark);border-radius:10px;background:var(--ink-2);padding:14px 16px;}
.skill .led{width:9px;height:9px;border-radius:50%;background:var(--sage);box-shadow:0 0 12px 1px rgba(127,163,141,.85);flex:none;}
.skill.off .led{background:var(--ink-3);box-shadow:none;}
.skill .nm{font-size:13px;color:#fff;}
.skill.off .nm{color:var(--dim-dark);}

@media(max-width:980px){.learn{grid-template-columns:1fr;}.feed{grid-template-columns:1fr;}.metrics{grid-template-columns:repeat(2,1fr);}.skills{grid-template-columns:repeat(2,1fr);}}

/* ============================================================
   Gamificación · el viaje
   ============================================================ */
.xp{margin-top:14px;}
.xp-bar{height:6px;background:rgba(255,255,255,.07);border-radius:99px;overflow:hidden;}
.xp-bar i{display:block;height:100%;background:var(--sage);border-radius:99px;box-shadow:0 0 10px -1px rgba(127,163,141,.75);}
.xp-l{font-size:10px;color:var(--dim-dark);margin-top:7px;letter-spacing:.03em;}
.xp-l span{opacity:.65;}

.lvl-head{display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;border:1px solid var(--line-dark);border-radius:16px;background:#141613;padding:26px 30px;margin-bottom:34px;}
.medal{position:relative;width:84px;height:84px;border-radius:50%;border:2px solid var(--sage);display:grid;place-items:center;flex:none;box-shadow:0 0 30px -6px rgba(127,163,141,.7),inset 0 0 22px -12px rgba(127,163,141,.6);}
.medal [data-neuron]{position:absolute;inset:0;display:grid;place-items:center;opacity:.4;}
.medal .lv{position:relative;font-size:30px;font-weight:600;color:#fff;}
.lvl-t{font-size:19px;color:#fff;font-weight:600;letter-spacing:-.01em;}
.lvl-s{font-size:13px;color:var(--dim-dark);margin-top:4px;}
.lvl-head .bar{height:8px;background:rgba(255,255,255,.07);border-radius:99px;overflow:hidden;margin-top:14px;}
.lvl-head .bar i{display:block;height:100%;background:var(--sage);border-radius:99px;box-shadow:0 0 12px -1px rgba(127,163,141,.7);}
.streak{text-align:center;flex:none;}
.streak .sn{font-size:30px;font-weight:600;color:var(--sage);line-height:1;text-shadow:0 0 18px rgba(127,163,141,.6);}
.streak .sl{font-size:11px;color:var(--dim-dark);margin-top:6px;letter-spacing:.05em;}

.missions{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.mission{border:1px solid var(--line-dark);border-radius:12px;background:var(--ink-2);padding:18px 20px;display:flex;flex-direction:column;gap:13px;min-height:140px;}
.mission .mh{display:flex;justify-content:space-between;align-items:center;gap:10px;}
.mission .mh .ico-s{width:20px;height:20px;color:var(--sage);}
.xpchip{font-size:11px;color:var(--sage);border:1px solid rgba(127,163,141,.4);border-radius:99px;padding:3px 10px;white-space:nowrap;}
.mission h4{font-size:14px;color:#fff;font-weight:600;margin:0;line-height:1.3;}
.mission .mp{font-size:11px;color:var(--dim-dark);margin-top:auto;}
.mission .bar{margin-top:6px;}
.mission.done{border-color:rgba(127,163,141,.5);background:rgba(127,163,141,.08);}
.mission.done .xpchip{background:var(--sage);color:#10231a;border-color:var(--sage);}

.badges{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.badge2{display:flex;flex-direction:column;align-items:center;gap:11px;text-align:center;}
.badge2 .b-ico{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-dark);background:var(--ink-2);color:var(--sage);}
.badge2 .b-ico .ico-s{width:26px;height:26px;}
.badge2.lit .b-ico{box-shadow:0 0 20px -4px rgba(127,163,141,.75);border-color:rgba(127,163,141,.55);}
.badge2.locked .b-ico{color:var(--ink-3);border-style:dashed;}
.badge2 .b-l{font-size:11px;color:var(--on-dark);line-height:1.35;}
.badge2.locked .b-l{color:var(--dim-dark);}

/* ============================================================
   Comunidad · ranking sano (vos · tu comunidad · todas)
   ============================================================ */
.com-hero{display:grid;grid-template-columns:130px 1fr auto;gap:26px;align-items:center;border:1px solid var(--line-dark);border-radius:16px;background:#141613;padding:28px 32px;margin-bottom:18px;}
.com-hero .mark{display:grid;place-items:center;}
.com-hero .ch-name{font-size:22px;color:#fff;font-weight:600;}
.com-hero .ch-sub{font-size:13px;color:var(--dim-dark);margin-top:5px;}
.com-hero .bar{height:8px;background:rgba(255,255,255,.07);border-radius:99px;overflow:hidden;margin-top:16px;max-width:520px;}
.com-hero .bar i{display:block;height:100%;background:var(--sage);border-radius:99px;box-shadow:0 0 12px -1px rgba(127,163,141,.7);}
.com-hero .goal{font-size:12px;color:var(--dim-dark);margin-top:9px;}
.com-hero .goal b{color:var(--sage);}
.rank-box{text-align:center;flex:none;}
.rank-box .rb{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim-dark);}
.rank-box .rn{font-size:44px;font-weight:600;color:var(--sage);line-height:1;text-shadow:0 0 22px rgba(127,163,141,.55);}

.lb{border:1px solid var(--line-dark);border-radius:14px;background:var(--ink-2);overflow:hidden;}
.lb .row{display:grid;grid-template-columns:46px 1fr auto auto;gap:18px;align-items:center;padding:15px 22px;border-bottom:1px solid var(--line-dark);}
.lb .row:last-child{border-bottom:0;}
.lb .row.you{background:rgba(127,163,141,.13);}
.lb .rk{font-size:17px;font-weight:600;color:var(--dim-dark);text-align:center;}
.lb .row.top1 .rk{color:#ECD6A4;text-shadow:0 0 14px rgba(236,214,164,.6);}
.lb .row.top2 .rk{color:#C9C5BA;}
.lb .row.top3 .rk{color:#D6C6B8;}
.lb .cname{display:flex;align-items:center;gap:13px;min-width:0;}
.lb .cdot{width:10px;height:10px;border-radius:50%;background:var(--sage);box-shadow:0 0 10px rgba(127,163,141,.8);flex:none;}
.lb .cn{font-size:14px;color:#fff;}
.lb .cn span{display:block;font-size:11px;color:var(--dim-dark);}
.lb .pts{font-size:14px;color:#fff;font-weight:600;}
.lb .delta{font-size:12px;color:var(--sage);display:flex;align-items:center;gap:4px;justify-content:flex-end;}
.lb .delta .ico-s{width:13px;height:13px;}

.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start;}
.contrib{border:1px solid var(--line-dark);border-radius:14px;background:var(--ink-2);overflow:hidden;}
.contrib .ch{padding:16px 20px;border-bottom:1px solid var(--line-dark);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--sage);}
.contrib .cr{display:flex;align-items:center;gap:12px;padding:13px 20px;border-bottom:1px solid var(--line-dark);font-size:13px;}
.contrib .cr:last-child{border-bottom:0;}
.contrib .cr.you{background:rgba(127,163,141,.1);}
.contrib .cr .av{width:30px;height:30px;border-radius:50%;background:var(--ink-3);color:var(--sage);display:grid;place-items:center;font-size:11px;font-weight:600;flex:none;}
.contrib .cr .nm{flex:1;color:#fff;}
.contrib .cr .vv{color:var(--sage);font-weight:600;}

/* ============================================================
   Landing pública (animada)
   ============================================================ */
.lnav{position:fixed;top:0;left:0;width:100%;z-index:60;padding:16px 0;background:rgba(14,15,13,.55);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-dark);}
.lnav .in{max-width:1180px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.lnav .links{display:flex;gap:28px;}
.lnav .links a{font-size:13px;color:var(--dim-dark);letter-spacing:.02em;}
.lnav .links a:hover{color:#fff;}
.lnav .cta{display:flex;gap:12px;align-items:center;}
.btn-sm{font-size:13px;padding:9px 18px;border-radius:100px;font-weight:600;font-family:var(--sans);cursor:pointer;}
.btn-line{background:transparent;border:1px solid var(--line-dark);color:#fff;}
@media(max-width:820px){.lnav .links{display:none;}}

.lhero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;}
.lhero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block;}
.lhero .mask{position:absolute;left:0;right:0;bottom:0;height:200px;background:linear-gradient(to bottom,rgba(17,17,17,0),var(--ink));z-index:1;pointer-events:none;}
.lhero .in{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:120px 32px 60px;width:100%;}
.lhero h1{font-family:var(--sans);font-weight:500;text-transform:uppercase;letter-spacing:.005em;line-height:.92;color:#fff;font-size:clamp(44px,8vw,92px);}
.lhero h1 b{font-weight:600;}
.lhero .kick{font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--sage);margin-bottom:22px;}
.lhero .lede{font-size:clamp(17px,2vw,21px);color:var(--on-dark);max-width:46ch;margin-top:24px;line-height:1.5;}
.lhero .cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.lhero .btn-sage{box-shadow:0 0 36px -6px rgba(127,163,141,.65);}

.lsec{max-width:1180px;margin:0 auto;padding:88px 32px;}
.lsec .eyebrow{margin-bottom:16px;}
.lsec h2{font-size:clamp(26px,3.4vw,42px);font-weight:600;color:#fff;letter-spacing:-.02em;max-width:20ch;}
.lsec .sub{color:var(--dim-dark);font-size:16px;margin-top:14px;max-width:56ch;line-height:1.6;}
.lcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px;}
.lcard{border:1px solid var(--line-dark);border-radius:14px;background:var(--ink-2);padding:26px;}
.lcard .li{width:30px;height:30px;color:var(--sage);margin-bottom:16px;}
.lcard h3{font-size:17px;color:#fff;font-weight:600;}
.lcard p{font-size:14px;color:var(--dim-dark);margin-top:10px;line-height:1.55;}
.m-card p{font-size:13px;color:var(--dim-dark);margin:10px 0 0;line-height:1.5;}
.lcta{text-align:center;background:var(--sage);color:#10231a;border-radius:20px;padding:64px 32px;margin:40px 0;}
.lcta h2{font-size:clamp(28px,4vw,46px);font-weight:600;color:#10231a;letter-spacing:-.02em;}
.lcta p{color:#1a3326;margin-top:14px;font-size:16px;opacity:.85;}
.lcta .btn{margin-top:28px;background:var(--ink);color:#fff;}
.lfoot{border-top:1px solid var(--line-dark);padding:32px;text-align:center;color:var(--dim-dark);font-size:13px;}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);}
.reveal.inview{opacity:1;transform:none;}

@media(max-width:880px){.lvl-head{grid-template-columns:auto 1fr;}.streak{grid-column:1/-1;margin-top:8px;}.missions{grid-template-columns:1fr;}.badges{grid-template-columns:repeat(3,1fr);}.com-hero{grid-template-columns:1fr;text-align:center;}.com-hero .mark,.rank-box{margin:0 auto;}.two-col{grid-template-columns:1fr;}.lcards{grid-template-columns:1fr;}}

/* ============================================================
   Inmersión · entorno vivo + entrada
   ============================================================ */
.app{position:relative;}
.app-bg{position:fixed;inset:0;width:100%;height:100%;z-index:0;opacity:.5;pointer-events:none;}
.side{position:sticky;background:rgba(14,15,13,.82);backdrop-filter:blur(6px);}
canvas.map{width:100%;height:480px;display:block;margin-top:6px;cursor:crosshair;}
.bar > i,.xp-bar > i{transition:width 1.15s cubic-bezier(.2,.7,.2,1);}
.m-card,.l-card,.lcard,.mission,.badge2 .b-ico,.skill{transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;}
.lcard:hover{transform:translateY(-3px);border-color:rgba(127,163,141,.45);}
.badge2.lit:hover .b-ico{transform:translateY(-2px);box-shadow:0 0 26px -3px rgba(127,163,141,.85);}
@media (prefers-reduced-motion: no-preference){
  .main{animation:pageIn .55s ease both;}
  @keyframes pageIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
}
@media(max-width:880px){canvas.map{height:440px;}}

/* ============================================================
   Onboarding / registro + media real
   ============================================================ */
.auth{min-height:100vh;display:grid;place-items:center;position:relative;overflow:hidden;padding:48px 20px;}
.auth .card{position:relative;z-index:2;width:100%;max-width:540px;background:#141613;border:1px solid var(--line-dark);border-radius:18px;padding:38px 36px;}
.auth .brand{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:20px;}
.steps-ind{display:flex;gap:8px;justify-content:center;margin-bottom:26px;}
.steps-ind i{width:30px;height:4px;border-radius:99px;background:rgba(255,255,255,.12);transition:.3s;}
.steps-ind i.on{background:var(--sage);box-shadow:0 0 10px -1px rgba(127,163,141,.85);}
.auth h2{font-size:23px;color:#fff;font-weight:600;text-align:center;}
.auth .sub{color:var(--dim-dark);text-align:center;margin:10px auto 24px;font-size:14px;max-width:38ch;line-height:1.5;}
.step{display:none;}
.step.on{display:block;animation:pageIn .45s ease both;}
.field{margin-bottom:15px;}
.field label{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--sage);margin-bottom:7px;}
.field input{width:100%;background:var(--ink);border:1px solid var(--line-dark);border-radius:10px;padding:13px 14px;color:#fff;font-family:var(--sans);font-size:15px;outline:none;transition:.15s;}
.field input::placeholder{color:#5b5d57;}
.field input:focus{border-color:var(--sage);box-shadow:0 0 0 3px rgba(127,163,141,.15);}
.btn-full{display:block;width:100%;text-align:center;margin-top:6px;}
.auth .alt{text-align:center;color:var(--dim-dark);font-size:13px;margin-top:18px;}
.auth .alt a{color:var(--sage);}
.compick{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.copt{border:1px solid var(--line-dark);border-radius:12px;background:var(--ink-2);padding:15px;cursor:pointer;transition:.15s;display:flex;align-items:center;gap:11px;}
.copt:hover{border-color:rgba(127,163,141,.45);}
.copt.sel{border-color:var(--sage);background:rgba(127,163,141,.12);box-shadow:0 0 0 2px rgba(127,163,141,.22);}
.copt .cdot2{width:10px;height:10px;border-radius:50%;background:var(--sage);box-shadow:0 0 10px rgba(127,163,141,.8);flex:none;}
.copt .cn2{font-size:14px;color:#fff;line-height:1.25;}
.copt .cn2 span{display:block;color:var(--dim-dark);font-size:11px;}
.ignite{text-align:center;}
.ignite-neuron{display:grid;place-items:center;margin:0 auto 10px;filter:drop-shadow(0 0 22px rgba(127,163,141,.5));}
.ignite .big{font-size:26px;color:#fff;font-weight:600;margin:4px 0 10px;}
.ignite .big b{color:var(--sage);}
.ignite .cm{color:var(--dim-dark);font-size:15px;line-height:1.55;margin:0 auto 24px;max-width:40ch;}
.player video{width:100%;height:100%;object-fit:cover;background:#000;display:block;border-radius:14px;}
.audio-card{display:flex;align-items:flex-start;gap:14px;border:1px solid var(--line-dark);border-radius:12px;background:var(--ink-2);padding:16px 18px;margin-top:18px;}
.audio-card .ai{width:42px;height:42px;border-radius:50%;background:rgba(127,163,141,.15);color:var(--sage);display:grid;place-items:center;flex:none;}
.audio-card .ai svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.audio-card .am{flex:1;min-width:0;}
.audio-card .am .t{font-size:14px;color:#fff;font-weight:600;}
.audio-card .am .s{font-size:12px;color:var(--dim-dark);margin-top:2px;}
.audio-card audio{width:100%;margin-top:10px;}
.ll a .au{font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--sage);border:1px solid rgba(127,163,141,.4);border-radius:5px;padding:1px 6px;margin-left:8px;vertical-align:middle;}
@media(max-width:600px){.compick{grid-template-columns:1fr;}}

/* ============================================================
   Navegación móvil (drawer) + ajustes responsive
   ============================================================ */
.mtop{display:none;}
.mscrim{display:none;}
@media(max-width:860px){
  .mtop{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:45;background:rgba(14,15,13,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-dark);padding:12px 16px;}
  .burger{width:42px;height:42px;border:1px solid var(--line-dark);border-radius:10px;background:transparent;display:grid;place-items:center;cursor:pointer;flex:none;}
  .burger span{position:relative;display:block;width:18px;height:2px;background:#fff;border-radius:2px;}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;}
  .burger span::before{top:-6px;}
  .burger span::after{top:6px;}
  .side{position:fixed;top:0;left:0;bottom:0;height:100vh;width:248px;z-index:70;transform:translateX(-106%);transition:transform .25s ease;background:#0E0F0D;}
  .side.open{transform:translateX(0);box-shadow:0 24px 60px rgba(0,0,0,.6);}
  .mscrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:60;opacity:0;pointer-events:none;transition:opacity .25s;}
  .mscrim.show{opacity:1;pointer-events:auto;}
  .main{padding:22px 18px 56px;}
}
@media(max-width:520px){
  .lnav .btn-line{display:none;}
  .lhero .in{padding:104px 22px 56px;}
  .lsec{padding:64px 22px;}
  .lvl-head{padding:20px 18px;}
  .main{padding:20px 14px 52px;}
}

/* materia · detalle */
.ll a{align-items:flex-start;}
.ll a .st{margin-top:1px;}
.ll a .tt .ld{display:block;font-size:11px;color:var(--dim-dark);margin-top:3px;font-weight:400;line-height:1.45;}
.about{margin-top:30px;border-top:1px solid var(--line-dark);padding-top:26px;}
.about p{color:var(--dim-dark);max-width:64ch;line-height:1.65;font-size:15px;margin:12px 0 0;}

/* onboarding · intereses + ignición */
.ipick{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.ichip{display:flex;align-items:center;gap:10px;border:1px solid var(--line-dark);border-radius:99px;background:var(--ink-2);padding:11px 14px;cursor:pointer;transition:.15s;}
.ichip:hover{border-color:rgba(127,163,141,.45);}
.ichip.sel{border-color:var(--sage);background:rgba(127,163,141,.14);box-shadow:0 0 0 2px rgba(127,163,141,.2);}
.ichip .ico-s{width:18px;height:18px;color:var(--sage);flex:none;}
.ichip .ico-s svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.ichip b{font-size:13px;color:#fff;font-weight:400;}
.lit-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:2px 0 22px;}
.lit-chips span{font-size:12px;color:var(--sage);border:1px solid rgba(127,163,141,.45);border-radius:99px;padding:5px 12px;background:rgba(127,163,141,.1);}
.step.on .ignite-neuron{animation:igniteIn 1s cubic-bezier(.2,.8,.2,1) both, glowPulse 3.2s ease-in-out 1s infinite;}
@keyframes igniteIn{from{opacity:0;transform:scale(.55);}to{opacity:1;transform:scale(1);}}
@keyframes glowPulse{0%,100%{filter:drop-shadow(0 0 16px rgba(127,163,141,.4));}50%{filter:drop-shadow(0 0 30px rgba(127,163,141,.75));}}
@media (prefers-reduced-motion: reduce){.step.on .ignite-neuron{animation:none;}}
@media(max-width:520px){.ipick{grid-template-columns:1fr;}}

/* material de la lección (lectura) */
.lesson-body{margin-top:28px;border-top:1px solid var(--line-dark);padding-top:24px;}
.lesson-body h3{font-size:17px;color:#fff;font-weight:600;margin:24px 0 8px;letter-spacing:-.01em;}
.lesson-body h3:first-child{margin-top:0;}
.lesson-body p{color:var(--on-dark);line-height:1.75;font-size:15px;margin:0 0 14px;max-width:68ch;}
.lesson-body ul{margin:0 0 16px;padding-left:20px;}
.lesson-body li{color:var(--on-dark);line-height:1.7;font-size:15px;margin:7px 0;max-width:66ch;}
.lesson-body li::marker{color:var(--sage);}
.lesson-body strong{color:#fff;font-weight:600;}
.lesson-body .prep{color:var(--dim-dark);}
.lesson-body .callout{border-left:2px solid var(--sage);background:rgba(127,163,141,.08);padding:14px 18px;border-radius:0 10px 10px 0;margin:20px 0 6px;max-width:68ch;}
.lesson-body .callout .k{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--sage);margin-bottom:6px;}
.ll a{cursor:pointer;}