/* ==========================================================================
   lucianomusella.com — web-v2 (high-fidelity preview)
   Tokens heredados de /aprende (tinta · crema · terracota · Playfair + Inter)
   ========================================================================== */
:root{
  --ink:#191918; --ink-2:#5B5752; --ink-3:#8F8A84;
  --paper:#FFFFFF; --cream:#F7F5F2; --sand:#EFECE8; --sand-2:#E6E1DA;
  --accent:#D97757; --accent-deep:#C45E3E; --accent-soft:rgba(217,119,87,.12);
  --on-dark:#FFFFFF; --on-dark-2:rgba(255,255,255,.72); --on-dark-3:rgba(255,255,255,.46);
  --line:rgba(25,25,24,.10); --line-strong:rgba(25,25,24,.18); --line-dark:rgba(255,255,255,.12);
  --serif:'Playfair Display',Georgia,'Times New Roman',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --wrap:1200px; --narrow:740px;
  --ease:cubic-bezier(.32,.72,0,1); --ease-out:cubic-bezier(.16,1,.3,1); --spring:cubic-bezier(.34,1.56,.64,1);
  --t-fast:.18s; --t-mid:.42s; --t-slow:.8s;
  --r-xl:28px; --r-lg:20px; --r-md:14px; --r-sm:8px;
  --nav-h:72px;
  --bg:var(--cream); --fg:var(--ink); --fg-2:var(--ink-2); --fg-3:var(--ink-3); --rule:var(--line);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background-color .7s var(--ease)}
body[data-theme="ink"]{--bg:var(--ink)}
body[data-theme="paper"]{--bg:var(--paper)}
body[data-theme="sand"]{--bg:var(--sand)}
body[data-theme="cream"]{--bg:var(--cream)}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* grain (fijo, sin repaint en scroll) */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:60;opacity:.035;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- tipografía ---------- */
.wrap{width:min(var(--wrap),100% - 48px);margin-inline:auto}
.wrap--narrow{width:min(var(--narrow),100% - 48px);margin-inline:auto}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:var(--fg-2)}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.6}
.eyebrow--dot::before{width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:1}
.display{font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.02;margin:0}
.display--xl{font-size:clamp(42px,6.4vw,92px)}
.display--l{font-size:clamp(38px,5.6vw,76px)}
.h2{font-family:var(--serif);font-weight:500;letter-spacing:-.012em;line-height:1.06;font-size:clamp(32px,4.4vw,58px);margin:0}
.h3{font-family:var(--serif);font-weight:500;line-height:1.15;font-size:clamp(24px,2.6vw,34px);margin:0}
.h4{font-family:var(--sans);font-weight:600;font-size:19px;line-height:1.3;margin:0;letter-spacing:-.01em}
.lead{font-size:clamp(18px,1.6vw,22px);line-height:1.5;color:var(--fg-2);max-width:60ch;margin:0}
.muted{color:var(--fg-3)}
em.serif{font-family:var(--serif);font-style:italic;font-weight:500}
.tint{color:var(--accent)}

/* ---------- secciones y temas ---------- */
.sec{position:relative;padding:clamp(88px,11vw,160px) 0}
.sec--tight{padding:clamp(56px,7vw,96px) 0}
.sec--ink{--fg:var(--on-dark);--fg-2:var(--on-dark-2);--fg-3:var(--on-dark-3);--rule:var(--line-dark);color:var(--on-dark);background:var(--ink)}
.sec--paper{background:var(--paper)}
.sec--sand{background:var(--sand)}
.sec--cream{background:var(--cream)}
.sec__head{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end;margin-bottom:clamp(40px,5vw,72px)}
.sec__head .lead{justify-self:end;max-width:44ch}
.sec__head--simple{display:block}
.rule{height:1px;background:var(--rule);border:0;margin:0}
@media (max-width:860px){.sec__head{grid-template-columns:1fr;gap:18px}.sec__head .lead{justify-self:start}}

/* ---------- botones (isla + icono anidado) ---------- */
.btn{--btn-bg:var(--ink);--btn-fg:#fff;--btn-ic:rgba(255,255,255,.14);
  position:relative;display:inline-flex;align-items:center;gap:14px;padding:8px 8px 8px 24px;border-radius:999px;
  background:var(--btn-bg);color:var(--btn-fg);font-weight:600;font-size:15px;letter-spacing:-.005em;line-height:1;
  border:1px solid transparent;transition:transform var(--t-mid) var(--ease),background-color var(--t-mid) var(--ease),color var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
  will-change:transform}
.btn__t{transition:transform var(--t-mid) var(--ease)}
.btn__ic{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--btn-ic);transition:transform var(--t-mid) var(--spring),background-color var(--t-mid) var(--ease)}
.btn__ic svg{width:15px;height:15px;transition:transform var(--t-mid) var(--ease)}
.btn:hover{--btn-bg:var(--accent);box-shadow:0 12px 32px -14px rgba(217,119,87,.55)}
.btn:hover .btn__ic{transform:translate(2px,-1px) scale(1.06)}
.btn:hover .btn__ic svg{transform:translateX(2px)}
.btn:active,.btn.is-pressed{transform:scale(.97)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--fg);--btn-ic:var(--accent-soft);border-color:var(--line-strong)}
.btn--ghost:hover{--btn-bg:var(--ink);--btn-fg:#fff;--btn-ic:rgba(255,255,255,.14);box-shadow:none}
.sec--ink .btn--ghost{border-color:var(--line-dark)}
.sec--ink .btn--ghost:hover{--btn-bg:#fff;--btn-fg:var(--ink);--btn-ic:var(--accent-soft)}
.btn--light{--btn-bg:#fff;--btn-fg:var(--ink);--btn-ic:var(--accent-soft)}
.btn--light:hover{--btn-bg:var(--accent);--btn-fg:#fff;--btn-ic:rgba(255,255,255,.18)}
.btn--accent{--btn-bg:var(--accent);--btn-fg:#fff;--btn-ic:rgba(255,255,255,.18)}
.btn--accent:hover{--btn-bg:var(--accent-deep)}
.btn--sm{padding:6px 6px 6px 18px;font-size:14px}
.btn--sm .btn__ic{width:30px;height:30px}
.btn--plain{padding:0;background:none!important;border:0;box-shadow:none!important;color:var(--fg);gap:10px}
.btn--plain .btn__ic{background:var(--accent-soft);color:var(--accent)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--fg)}
.link-arrow svg{width:16px;height:16px;transition:transform var(--t-mid) var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:hover{color:var(--accent)}
.actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:80;height:var(--nav-h);display:flex;align-items:center;
  color:var(--ink);transition:background-color var(--t-mid) var(--ease),color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),transform var(--t-mid) var(--ease)}
.nav__in{width:min(var(--wrap),100% - 48px);margin-inline:auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}
.nav__brand{font-family:var(--serif);font-size:20px;letter-spacing:-.01em;font-weight:500;white-space:nowrap}
.nav__brand span{color:var(--accent)}
.nav__links{display:flex;gap:4px;list-style:none;margin:0;padding:4px;border-radius:999px;background:transparent;transition:background-color var(--t-mid) var(--ease)}
.nav__links a{position:relative;display:block;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:500;letter-spacing:-.005em;opacity:.78;transition:opacity var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease)}
.nav__links a::after{content:"";position:absolute;left:16px;right:16px;bottom:5px;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t-mid) var(--ease)}
.nav__links a:hover{opacity:1}
.nav__links a:hover::after,.nav__links a.is-active::after{transform:scaleX(1)}
.nav__links a.is-active{opacity:1}
.nav__cta{justify-self:end;display:flex;align-items:center;gap:10px}
.nav.is-light{color:#fff}
.nav.is-scrolled{background:rgba(247,245,242,.78);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);box-shadow:0 1px 0 var(--line);color:var(--ink);--nav-h:64px}
.nav.is-scrolled .nav__links{background:rgba(25,25,24,.05)}
.nav.is-hidden{transform:translateY(-100%)}
.nav.is-light:not(.is-scrolled) .btn--ghost{--btn-fg:#fff;border-color:rgba(255,255,255,.28)}
.nav.is-light:not(.is-scrolled) .btn--ghost:hover{--btn-bg:#fff;--btn-fg:var(--ink)}
.burger{display:none;width:44px;height:44px;border-radius:50%;position:relative;justify-self:end}
.burger span{position:absolute;left:12px;right:12px;height:1.6px;background:currentColor;transition:transform var(--t-mid) var(--ease),opacity var(--t-fast)}
.burger span:nth-child(1){top:17px}.burger span:nth-child(2){top:22px}.burger span:nth-child(3){top:27px}
.burger.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:70;background:rgba(25,25,24,.96);color:#fff;display:grid;align-content:center;padding:24px;
  opacity:0;pointer-events:none;transition:opacity var(--t-mid) var(--ease)}
.menu.is-open{opacity:1;pointer-events:auto}
.menu__list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.menu__list a{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--serif);font-size:clamp(34px,9vw,52px);padding:10px 8px;border-bottom:1px solid var(--line-dark);
  transform:translateY(24px);opacity:0;transition:transform .6s var(--ease-out),opacity .6s var(--ease-out)}
.menu__list a small{font-family:var(--sans);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--on-dark-3)}
.menu.is-open .menu__list a{transform:none;opacity:1}
.menu.is-open .menu__list a:nth-child(1){transition-delay:.05s}.menu.is-open .menu__list a:nth-child(2){transition-delay:.1s}.menu.is-open .menu__list a:nth-child(3){transition-delay:.15s}.menu.is-open .menu__list a:nth-child(4){transition-delay:.2s}.menu.is-open .menu__list a:nth-child(5){transition-delay:.25s}.menu.is-open .menu__list a:nth-child(6){transition-delay:.3s}
.menu__foot{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:960px){
  .nav__in{grid-template-columns:1fr auto}
  .nav__links{display:none}
  .nav__cta .btn{display:none}
  .burger{display:block}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100dvh;display:grid;align-items:end;color:#fff;background:var(--ink);overflow:hidden;isolation:isolate}
.hero__media{position:absolute;inset:-6% 0;z-index:-2;will-change:transform}
.hero__media video,.hero__media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05)}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(25,25,24,.28) 0%,rgba(25,25,24,.12) 40%,rgba(25,25,24,.78) 100%)}
.hero__poster{position:absolute;inset:0;background:radial-gradient(120% 80% at 70% 20%,#3a2d27 0%,#191918 60%)}
.hero__in{position:relative;width:min(var(--wrap),100% - 48px);margin-inline:auto;padding:calc(var(--nav-h) + 40px) 0 clamp(48px,7vw,88px);display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:end}
.hero .display{color:#fff}
.hero__line{display:block;overflow:hidden}
.hero__line span{display:block;transform:translateY(110%);transition:transform 1s var(--ease-out)}
.hero.is-in .hero__line span{transform:none}
.hero.is-in .hero__line:nth-child(2) span{transition-delay:.12s}
.hero__sub{max-width:46ch;color:var(--on-dark-2);font-size:clamp(17px,1.4vw,20px);margin:22px 0 30px;opacity:0;transform:translateY(14px);transition:opacity .9s var(--ease-out) .35s,transform .9s var(--ease-out) .35s}
.hero__actions{opacity:0;transform:translateY(14px);transition:opacity .9s var(--ease-out) .5s,transform .9s var(--ease-out) .5s}
.hero.is-in .hero__sub,.hero.is-in .hero__actions{opacity:1;transform:none}
.hero__aside{justify-self:end;text-align:right;color:var(--on-dark-2);font-size:13px;letter-spacing:.14em;text-transform:uppercase;line-height:1.9;opacity:0;transition:opacity 1.2s var(--ease-out) .8s}
.hero.is-in .hero__aside{opacity:1}
.hero__aside b{display:block;color:#fff;font-weight:600}
.hero__cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:1px;height:44px;background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.8));opacity:0;transition:opacity 1s var(--ease) 1.2s}
.hero.is-in .hero__cue{opacity:1;animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:translate(-50%,-8px) scaleY(.6);transform-origin:top}50%{transform:translate(-50%,0) scaleY(1)}100%{transform:translate(-50%,8px) scaleY(.6);transform-origin:bottom}}
.hero--short{min-height:min(72dvh,720px)}
.hero--short .hero__in{grid-template-columns:1fr}
@media (max-width:860px){.hero__in{grid-template-columns:1fr;padding-top:calc(var(--nav-h) + 24px)}.hero__aside{display:none}.hero__media{inset:0}}
@media (prefers-reduced-motion:reduce){.hero__line span,.hero__sub,.hero__actions,.hero__aside{transition:none;transform:none;opacity:1}.hero__cue{animation:none}}

/* ---------- reveals ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);transition-delay:calc(var(--i,0) * 70ms)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal="fade"]{transform:none}
[data-reveal="scale"]{transform:scale(.96)}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

/* ---------- shells (doble bisel) y cards ---------- */
.shell{background:rgba(25,25,24,.045);border:1px solid rgba(25,25,24,.06);padding:6px;border-radius:var(--r-xl)}
.sec--ink .shell{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.08)}
.shell__in{background:var(--paper);border-radius:calc(var(--r-xl) - 6px);overflow:hidden;box-shadow:inset 0 1px 0 rgba(255,255,255,.7)}
.sec--ink .shell__in{background:#22211f;box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.card{display:flex;flex-direction:column;height:100%;border-radius:var(--r-lg);transition:transform var(--t-mid) var(--ease)}
.card:hover{transform:translateY(-4px)}
.card:active{transform:translateY(-1px) scale(.995)}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--sand)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease-out)}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card__meta{display:flex;gap:10px;align-items:center;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3);font-weight:600}
.card__title{font-family:var(--serif);font-size:20px;line-height:1.2;font-weight:500;letter-spacing:-.01em}
.card__desc{color:var(--fg-2);font-size:15px;line-height:1.5}
.card__foot{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--fg-3)}
.card__arrow{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);transition:transform var(--t-mid) var(--spring),background-color var(--t-mid) var(--ease),color var(--t-mid) var(--ease)}
.card:hover .card__arrow{background:var(--accent);color:#fff;transform:translate(2px,-2px)}
.play{position:absolute;inset:0;display:grid;place-items:center}
.play__b{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--ink);display:grid;place-items:center;box-shadow:0 10px 30px -10px rgba(0,0,0,.4);transition:transform var(--t-mid) var(--spring),background-color var(--t-mid) var(--ease)}
.play__b svg{width:20px;height:20px;margin-left:3px}
.card:hover .play__b,.vfeature:hover .play__b{transform:scale(1.08);background:var(--accent);color:#fff}
.dur{position:absolute;right:12px;bottom:12px;background:rgba(25,25,24,.8);color:#fff;font-size:12px;font-weight:600;padding:4px 8px;border-radius:6px;letter-spacing:.02em}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1px solid var(--rule);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-2);transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}
.chip:hover{border-color:var(--ink);color:var(--fg)}
.chip:active{transform:scale(.96)}
.chip.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.sec--ink .chip.is-active{background:#fff;color:var(--ink);border-color:#fff}
.chip--tone{background:var(--accent-soft);color:var(--accent-deep);border-color:transparent}

/* ---------- filas con scroll horizontal ---------- */
.row{position:relative}
.row__scroll{display:grid;grid-auto-flow:column;grid-auto-columns:min(78vw,380px);gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 6px 22px;margin:-6px -6px 0;scrollbar-width:none;-webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 60px),transparent);-webkit-mask-image:linear-gradient(90deg,#000 0,#000 calc(100% - 60px),transparent)}
.row__scroll::-webkit-scrollbar{display:none}
.row__scroll>*{scroll-snap-align:start}
.row__nav{display:flex;gap:8px}
.row__btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease),opacity var(--t-fast)}
.row__btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.row__btn:active{transform:scale(.94)}
.row__btn[disabled]{opacity:.3;pointer-events:none}
.sec--ink .row__btn{border-color:var(--line-dark)}
.sec--ink .row__btn:hover{background:#fff;color:var(--ink)}
.row__btn svg{width:16px;height:16px}

/* ---------- start here (rutas) ---------- */
.routes{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.route{position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:start;padding:30px 30px 28px;border-radius:var(--r-xl);background:var(--paper);border:1px solid var(--line);overflow:hidden;
  transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease)}
.route::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--accent-soft),transparent 60%);opacity:0;transition:opacity var(--t-mid) var(--ease)}
.route:hover{transform:translateY(-4px);border-color:transparent;box-shadow:0 30px 60px -40px rgba(25,25,24,.35)}
.route:hover::before{opacity:1}
.route:active{transform:translateY(-1px)}
.route__n{font-family:var(--serif);font-size:44px;line-height:1;color:var(--accent);font-style:italic;position:relative}
.route__t{font-family:var(--serif);font-size:clamp(24px,2.4vw,30px);line-height:1.12;margin:2px 0 8px;position:relative}
.route__d{color:var(--fg-2);font-size:15px;margin:0 0 14px;position:relative}
.route__items{display:flex;flex-wrap:wrap;gap:6px;position:relative}
.route__items span{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--sand);color:var(--fg-2)}
.route .card__arrow{position:relative}
@media (max-width:760px){.routes{grid-template-columns:1fr}.route{grid-template-columns:auto 1fr;padding:22px}.route .card__arrow{display:none}}

/* ---------- tutoriales: feature + lista ---------- */
.vgrid{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
.vfeature{position:relative;display:block;border-radius:var(--r-xl);overflow:hidden;background:var(--ink);color:#fff;aspect-ratio:16/10;isolation:isolate}
.vfeature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out);z-index:-1}
.vfeature:hover img{transform:scale(1.03)}
.vfeature::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(25,25,24,.85));z-index:-1}
.vfeature__body{position:absolute;left:0;right:0;bottom:0;padding:28px;display:grid;gap:8px}
.vfeature__body .card__title{font-size:clamp(22px,2.6vw,34px)}
.vfeature .play{inset:auto;right:28px;top:28px}
.vlist{display:grid;gap:12px;align-content:start}
.vitem{display:grid;grid-template-columns:132px 1fr;gap:14px;align-items:center;padding:8px;border-radius:var(--r-lg);transition:background-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}
.vitem:hover{background:rgba(25,25,24,.05)}
.sec--ink .vitem:hover{background:rgba(255,255,255,.06)}
.vitem:active{transform:scale(.99)}
.vitem__th{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--sand)}
.vitem__th img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease-out)}
.vitem:hover .vitem__th img{transform:scale(1.06)}
.vitem__t{font-weight:600;font-size:15px;line-height:1.3;letter-spacing:-.01em}
.vitem__m{font-size:12px;color:var(--fg-3);margin-top:4px;letter-spacing:.08em;text-transform:uppercase}
@media (max-width:900px){.vgrid{grid-template-columns:1fr}.vfeature{aspect-ratio:16/11}}

/* ---------- recursos: editorial ---------- */
.rgrid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.rgrid>.res--xl{grid-column:span 7;grid-row:span 2}
.rgrid>.res--md{grid-column:span 5}
.rgrid>.res--sm{grid-column:span 4}
.res{position:relative;display:flex;flex-direction:column;gap:12px;padding:26px 26px 22px;border-radius:var(--r-xl);background:var(--paper);border:1px solid var(--line);min-height:200px;
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease)}
.res:hover{transform:translateY(-4px);box-shadow:0 30px 60px -40px rgba(25,25,24,.4);border-color:transparent}
.res:active{transform:translateY(-1px)}
.res--xl{background:var(--ink);color:#fff;border-color:transparent;justify-content:flex-end;min-height:420px}
.res--xl .card__meta{color:var(--on-dark-3)}
.res--xl .card__title{font-size:clamp(28px,3.2vw,44px);max-width:16ch}
.res--xl .card__desc{color:var(--on-dark-2);max-width:48ch}
.res--xl::before{content:"";position:absolute;inset:0;border-radius:inherit;background:radial-gradient(80% 60% at 100% 0%,rgba(217,119,87,.35),transparent 60%);opacity:.9;transition:opacity var(--t-slow) var(--ease)}
.res--xl:hover::before{opacity:1}
.res--xl>*{position:relative}
.res__type{display:inline-flex;align-items:center;gap:8px;font-size:11px;white-space:nowrap;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
.res__type::before{content:"";width:8px;height:8px;border-radius:2px;background:currentColor;transform:rotate(45deg)}
.res .card__title{font-size:22px}
.res .card__foot{border-top:1px solid var(--rule);margin-top:auto}
.res--xl .card__foot{border-color:var(--line-dark);color:var(--on-dark-3)}
@media (max-width:960px){.rgrid>.res--xl,.rgrid>.res--md,.rgrid>.res--sm{grid-column:span 12}.res--xl{min-height:320px}}
@media (min-width:640px) and (max-width:960px){.rgrid>.res--md,.rgrid>.res--sm{grid-column:span 6}}

/* ---------- retos ---------- */
.challenge{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.days{display:grid;gap:0;counter-reset:d}
.day{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line-dark);align-items:baseline;transition:padding-left var(--t-mid) var(--ease)}
.day:last-child{border-bottom:1px solid var(--line-dark)}
.day:hover{padding-left:6px}
.day__n{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:22px}
.day__t{font-weight:600;font-size:17px}
.day__d{color:var(--on-dark-2);font-size:14px;margin-top:2px}
.facts{display:flex;gap:26px;flex-wrap:wrap;margin:22px 0 30px}
.fact{display:grid;gap:2px}
.fact b{font-family:var(--serif);font-size:22px;font-weight:500}
.fact span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-3)}
.soon{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:40px}
.soon__i{padding:22px 24px;border:1px dashed var(--line-dark);border-radius:var(--r-lg);color:var(--on-dark-2);display:grid;gap:6px}
.soon__i b{color:#fff;font-family:var(--serif);font-weight:500;font-size:20px}
@media (max-width:900px){.challenge{grid-template-columns:1fr}.soon{grid-template-columns:1fr}}

/* ---------- retos: aula cálida y navegable ---------- */
body[data-page="challenges"] #main>.hero,body[data-page="challenges"] #main>.sec{display:none}
.course-hub{min-height:calc(100vh - var(--nav-h));padding:calc(var(--nav-h) + 52px) 0 76px;background:linear-gradient(140deg,var(--cream) 0%,#fbf4ef 48%,var(--paper) 100%)}
.course-hub__intro{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:end;margin-bottom:34px}.course-hub__intro p{margin:0 0 6px;color:var(--fg-2);font-size:16px;line-height:1.55;max-width:36ch}.course-hub__title{margin:12px 0 0;font-family:var(--serif);font-weight:500;font-size:clamp(38px,5vw,64px);line-height:1.01;letter-spacing:-.025em;max-width:14ch}.course-hub__title em{color:var(--accent-deep)}
.course-player{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:rgba(255,255,255,.75);box-shadow:0 32px 70px -52px rgba(65,45,34,.48)}.course-top{display:flex;justify-content:space-between;align-items:end;gap:24px;padding:25px 30px 22px;border-bottom:1px solid var(--line)}.course-top .eyebrow{margin-bottom:8px}.course-top h2{margin:0;font-family:var(--serif);font-size:26px;font-weight:500}.course-progress{display:grid;gap:8px;min-width:min(100%,260px);font-size:12px;font-weight:600;color:var(--fg-2)}.course-progress>div{height:7px;border-radius:99px;background:var(--sand);overflow:hidden}.course-progress i{display:block;height:100%;border-radius:inherit;background:var(--accent)}
.course-layout{display:grid;grid-template-columns:minmax(280px,.76fr) minmax(0,1.45fr);min-height:590px}.course-sidebar{padding:12px;border-right:1px solid var(--line);background:rgba(253,243,238,.5)}.course-day{border-bottom:1px solid var(--line)}.course-day:last-child{border-bottom:0}.course-day__toggle{display:flex;width:100%;padding:15px 13px;border:0;background:transparent;color:var(--ink);justify-content:space-between;align-items:center;text-align:left;cursor:pointer;font:inherit}.course-day__toggle span:first-child{display:grid;gap:3px}.course-day__toggle b{font-family:var(--serif);font-size:18px;font-weight:500}.course-day__toggle small{font-size:11px;color:var(--fg-3);letter-spacing:.05em}.course-chevron{font-size:21px;color:var(--accent);transition:transform .2s ease}.course-day.is-open .course-chevron{transform:rotate(180deg)}.course-day__lessons{display:none;padding:0 7px 10px}.course-day.is-open .course-day__lessons{display:grid;gap:3px}.course-lesson{display:grid;grid-template-columns:26px minmax(0,1fr) auto;align-items:center;gap:8px;width:100%;padding:9px 8px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--fg-2);text-align:left;cursor:pointer;font:inherit;font-size:13px;transition:background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}.course-lesson:hover{background:var(--paper);color:var(--ink)}.course-lesson.is-active{border-color:rgba(217,119,87,.35);background:var(--accent-soft);color:var(--ink);font-weight:600}.course-lesson i{font-size:10px;font-style:normal;color:var(--fg-3)}.course-num,.course-check{display:grid;place-items:center;width:21px;height:21px;border:1px solid var(--line-strong);border-radius:50%;font-size:10px;color:var(--fg-3)}.course-check{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700}
.course-content{padding:clamp(30px,5vw,64px);display:flex;flex-direction:column;align-items:flex-start;background:var(--paper)}.course-content__day{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--accent-deep);font-weight:700}.course-content h3{margin:14px 0 12px;font-family:var(--serif);font-size:clamp(31px,4vw,48px);font-weight:500;line-height:1.08}.course-content>p{max-width:55ch;margin:0;color:var(--fg-2);font-size:17px;line-height:1.65}.course-content__note{display:grid;gap:5px;max-width:56ch;margin-top:32px;padding:18px 20px;border-radius:12px;background:var(--cream);border:1px solid var(--line);font-size:14px;color:var(--fg-2);line-height:1.5}.course-content__note b{color:var(--ink)}.course-content__note code{font-size:12px;color:var(--accent-deep)}.course-content__foot{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;margin-top:auto;padding-top:36px}.course-status{font-size:12px;font-weight:700}.course-status--completed{color:#55724f}.course-status--active{color:var(--accent-deep)}.course-status--pending{color:var(--fg-3)}.course-next{border:0;border-bottom:1px solid var(--ink);padding:0 0 4px;background:transparent;color:var(--ink);font:inherit;font-weight:600;cursor:pointer}.course-next span{color:var(--accent);font-size:19px;margin-left:4px}
.course-video{width:min(100%,640px);margin-top:26px;aspect-ratio:16/9;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--sand);box-shadow:0 18px 36px -28px rgba(25,25,24,.45)}.course-video iframe{display:block;width:100%;height:100%;border:0}
.lesson-detail{width:100%;max-width:760px;margin-top:42px;padding-top:38px;border-top:1px solid var(--line);color:var(--fg-2);font-size:16px;line-height:1.65}.lesson-detail h4{margin:0 0 32px;color:var(--ink);font-family:var(--serif);font-size:clamp(34px,4vw,48px);font-weight:500;line-height:1.08}.lesson-detail__section{margin-top:36px}.lesson-detail__section:first-of-type{margin-top:0}.lesson-detail h5{margin:0 0 14px;color:var(--ink);font-size:22px;line-height:1.25}.lesson-detail h6{margin:26px 0 8px;color:var(--accent-deep);font-size:12px;letter-spacing:.13em;text-transform:uppercase}.lesson-detail p{margin:12px 0}.lesson-detail ul,.lesson-detail ol{margin:14px 0;padding-left:22px}.lesson-detail li{margin:6px 0;padding-left:3px}.lesson-detail__link{display:inline-flex;gap:8px;align-items:center;color:var(--accent-deep);font-weight:600;text-decoration:underline;text-underline-offset:4px}.lesson-detail__image{width:100%;margin-top:16px;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 36px -28px rgba(25,25,24,.38)}.lesson-detail__formula{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--ink);font-size:18px;font-weight:700;text-transform:uppercase;letter-spacing:.03em}.lesson-detail__formula span,.lesson-detail__decision span{color:var(--accent-deep)}.lesson-detail__key{padding:16px 18px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 10px 10px 0}.lesson-detail blockquote{margin:18px 0;padding:14px 18px;border-left:3px solid var(--accent);background:var(--cream);color:var(--ink);font-style:normal}.lesson-detail__views{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:4px 0 22px}.lesson-detail__views figure{margin:0}.lesson-detail__views figcaption{margin-bottom:8px;color:var(--accent-deep);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.lesson-detail__views img{width:100%;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 36px -28px rgba(25,25,24,.38)}.lesson-detail__examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.lesson-detail__examples>div{display:grid;gap:8px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.lesson-detail__examples span{font-size:14px;line-height:1.65}.lesson-detail__decision>div{display:grid;gap:10px}.lesson-detail__decision p{margin:0;padding:15px 18px;border:1px solid var(--line);border-radius:10px;background:#fff}.lesson-detail__decision span{font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:13px}.lesson-detail__exercise{padding:24px;border-radius:14px;background:var(--accent-soft);border:1px solid rgba(217,119,87,.28)}
.lesson-detail__image--narrow{max-width:520px}.lesson-detail__table{margin:18px 0;overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff}.lesson-detail__table table{width:100%;border-collapse:collapse;min-width:590px;font-size:14px}.lesson-detail__table th,.lesson-detail__table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.lesson-detail__table th{color:var(--ink);background:var(--cream);font-size:12px;letter-spacing:.06em;text-transform:uppercase}.lesson-detail__table tr:last-child td{border-bottom:0}
.lesson-detail__examples--single{grid-template-columns:1fr}
.lesson-detail pre{width:100%;margin:16px 0;padding:16px 18px;overflow-x:auto;border-radius:12px;background:var(--ink);color:#f8f2ec;font:13px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}.lesson-detail pre code{color:inherit}
@media (max-width:820px){.course-hub{padding-top:calc(var(--nav-h) + 35px)}.course-hub__intro{grid-template-columns:1fr;gap:15px}.course-layout{grid-template-columns:1fr}.course-sidebar{border-right:0;border-bottom:1px solid var(--line)}.course-content{min-height:420px}.course-day__lessons{grid-template-columns:1fr 1fr}.course-top{align-items:flex-start;flex-direction:column}.course-progress{width:100%;max-width:360px}}
@media (max-width:520px){.course-hub{padding-inline:0;padding-bottom:36px}.course-hub__intro{padding-inline:20px}.course-player{border-radius:0;border-inline:0}.course-top{padding:22px 20px}.course-sidebar{padding:8px}.course-day__lessons{grid-template-columns:1fr}.course-content{padding:32px 22px}.course-content__foot{align-items:flex-start;flex-direction:column}.course-lesson i{display:none}.lesson-detail__views,.lesson-detail__examples{grid-template-columns:1fr}.lesson-detail__exercise{padding:20px}}

/* ---------- showcase ---------- */
.show{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(200px,auto);gap:16px}
.show__i{position:relative;display:block;border-radius:var(--r-xl);overflow:hidden;background:var(--ink);color:#fff;min-height:240px;isolation:isolate}
.show__i:nth-child(1){grid-column:span 4;grid-row:span 2}
.show__i:nth-child(2){grid-column:span 2;grid-row:span 1}
.show__i:nth-child(3){grid-column:span 2}
.show__i:nth-child(4){grid-column:span 2}
.show__i:nth-child(5){grid-column:span 2}
.show__i:nth-child(6){grid-column:span 2}
.show__i img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1;transition:transform 1.2s var(--ease-out),filter 1.2s var(--ease-out);filter:saturate(.9)}
.show__i::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(25,25,24,.05),rgba(25,25,24,.82))}
.show__i:hover img{transform:scale(1.04);filter:saturate(1.05)}
.show__b{position:absolute;left:0;right:0;bottom:0;padding:22px;display:grid;gap:6px}
.show__b .card__meta{color:var(--on-dark-3)}
.show__b .card__title{font-size:clamp(18px,1.8vw,26px)}
.show__i:nth-child(1) .card__title{font-size:clamp(24px,3vw,40px);max-width:20ch}
.show__i--res{background:var(--accent);color:#fff}
.show__i--res::after{background:none}
@media (max-width:900px){.show{grid-template-columns:1fr 1fr}.show__i:nth-child(n){grid-column:span 2;grid-row:auto}.show__i:nth-child(1){grid-row:auto}}

/* ---------- programa / luciano / agenda ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);align-items:center}
.split--wide{grid-template-columns:1.1fr .9fr}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.list li{position:relative;padding-left:30px;color:var(--fg-2)}
.list li::before{content:"";position:absolute;left:0;top:.62em;width:16px;height:1px;background:var(--accent)}
.list--check li::before{width:8px;height:8px;border-radius:50%;background:var(--accent);top:.52em}
.portrait{position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/5;background:var(--sand)}
.portrait img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) contrast(1.02)}
.portrait__tag{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.9);color:var(--ink);padding:8px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.ph{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border:1px dashed var(--accent);border-radius:8px;color:var(--accent-deep);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:var(--accent-soft)}
.sec--ink .ph{color:#f2c3af;border-color:#f2c3af;background:rgba(217,119,87,.16)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.stat{padding:22px 0;border-top:1px solid var(--rule)}
.stat b{display:block;font-family:var(--serif);font-size:clamp(28px,3vw,40px);font-weight:500;line-height:1}
.stat span{font-size:13px;color:var(--fg-3);letter-spacing:.06em;text-transform:uppercase}
@media (max-width:640px){.stats{grid-template-columns:1fr}}
.faq{display:grid;gap:0}
.faq details{border-top:1px solid var(--rule)}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-family:var(--serif);font-size:20px;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--sans);font-size:24px;color:var(--accent);transition:transform var(--t-mid) var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 22px;color:var(--fg-2);max-width:62ch}

/* ---------- prose (recursos) ---------- */
.article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(32px,6vw,90px);align-items:start}
.prose{min-width:0;font-size:17.5px;line-height:1.7;color:var(--ink)}
.prose>*+*{margin-top:1.1em}
.prose h2{font-family:var(--serif);font-size:clamp(26px,2.6vw,34px);line-height:1.15;margin-top:2.2em;font-weight:500;letter-spacing:-.01em}
.prose h3{font-family:var(--serif);font-size:clamp(22px,2vw,26px);line-height:1.2;margin-top:1.8em;font-weight:500}
.prose h4{font-size:18px;font-weight:600;margin-top:1.6em}
.prose p{margin-bottom:0}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.35em}
.prose li::marker{color:var(--accent)}
.prose a{color:var(--accent-deep);text-decoration:underline;text-decoration-color:rgba(196,94,62,.35);text-underline-offset:3px;transition:text-decoration-color var(--t-fast)}
.prose a:hover{text-decoration-color:var(--accent-deep)}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:var(--sand);padding:.12em .4em;border-radius:5px}
.prose blockquote{margin:1.4em 0;padding:4px 0 4px 22px;border-left:2px solid var(--accent);color:var(--ink-2);font-family:var(--serif);font-size:1.1em;font-style:italic}
.prose hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.prose table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.prose input[type=checkbox]{accent-color:var(--accent);margin-right:8px}
.codeblock{position:relative;max-width:100%;margin:1.4em 0;border-radius:var(--r-md);background:var(--ink);color:#F3EFE9;overflow:hidden}
.codeblock pre{margin:0;padding:20px 22px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.6;white-space:pre}
.codeblock__bar{display:flex;justify-content:space-between;align-items:center;padding:8px 10px 8px 18px;border-bottom:1px solid rgba(255,255,255,.08);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.copy{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.1);color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;transition:background-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}
.copy:hover{background:var(--accent)}
.copy:active{transform:scale(.95)}
.copy.is-done{background:#2f9e6b}
.callout{margin:1.6em 0;padding:22px 26px;border-radius:var(--r-lg);background:var(--sand);border-left:3px solid var(--accent)}
.callout>*+*{margin-top:.6em}
.callout p{margin:0}
.fig-ph{margin:1.4em 0;padding:26px;border:1px dashed var(--line-strong);border-radius:var(--r-lg);background:var(--cream);display:grid;gap:6px;color:var(--ink-3);font-size:14px}
.fig-ph b{color:var(--ink-2);font-weight:600}
.article-figure{margin:1.8em 0;border-radius:var(--r-lg);overflow:hidden;background:var(--sand);border:1px solid var(--line)}
.article-figure img{display:block;width:100%;height:auto}
.article-figure figcaption{padding:11px 15px;font-size:13px;line-height:1.45;color:var(--ink-3)}
.embed{margin:1.6em 0;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;background:var(--ink)}
.embed iframe{width:100%;height:100%;border:0}
.aside{position:sticky;top:calc(var(--nav-h) + 24px);display:grid;gap:22px}
.aside__box{padding:22px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--paper);display:grid;gap:10px}
.aside__box h5{margin:0;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.aside__list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.aside__list a{display:flex;gap:10px;align-items:center;font-size:14.5px;font-weight:500;line-height:1.3;padding:8px 10px;border-radius:10px;transition:background-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}
.aside__list a:hover{background:var(--sand);transform:translateX(3px)}
.aside__list a .card__arrow{width:26px;height:26px;flex:none}
.aside__list a .card__arrow svg{width:12px;height:12px}
.tv{display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:center;padding:8px;border-radius:12px;transition:background-color var(--t-fast) var(--ease)}
.tv:hover{background:var(--sand)}
.tv__th{aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:var(--sand)}
.tv__th img{width:100%;height:100%;object-fit:cover}
.tv__t{font-size:14px;font-weight:600;line-height:1.3}
.tv__m{font-size:11px;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase}
.progress{position:fixed;left:0;top:0;height:2px;width:100%;transform:scaleX(0);transform-origin:left;background:var(--accent);z-index:90;pointer-events:none}
@media (max-width:960px){.article{grid-template-columns:minmax(0,1fr)}.aside{position:static}}

/* ---------- artículo header ---------- */
.ahead{padding:calc(var(--nav-h) + clamp(40px,7vw,90px)) 0 clamp(36px,5vw,64px)}
.ahead .display{max-width:20ch}
.ahead__meta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin:22px 0 0;font-size:13px;color:var(--ink-3)}
.ahead__meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3)}
.crumbs{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumbs a:hover{color:var(--accent)}
.crumbs span{opacity:.5}
.boxes{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:30px 0 0}
.box{padding:22px 24px;border-radius:var(--r-lg);background:var(--paper);border:1px solid var(--line)}
.box h5{margin:0 0 10px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:700}
.box ul{margin:0;padding-left:1.1em;color:var(--ink-2);font-size:15px;display:grid;gap:4px}
@media (max-width:700px){.boxes{grid-template-columns:1fr}}

/* ---------- colecciones (Houston) ---------- */
.coll{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:end;margin-bottom:56px}
.coll__list{display:grid;gap:0;counter-reset:c}
.coll__i{display:grid;grid-template-columns:48px 1fr auto;gap:20px;align-items:center;padding:20px 0;border-top:1px solid var(--rule);transition:padding-left var(--t-mid) var(--ease)}
.coll__i:last-child{border-bottom:1px solid var(--rule)}
.coll__i:hover{padding-left:8px}
.coll__i:hover .card__arrow{background:var(--accent);color:#fff}
.coll__n{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:20px}
.coll__t{font-family:var(--serif);font-size:clamp(20px,2vw,26px);font-weight:500;line-height:1.15}
.coll__d{font-size:14.5px;color:var(--fg-2);margin-top:4px}
@media (max-width:800px){.coll{grid-template-columns:1fr}}

/* ---------- formularios ---------- */
.form{display:grid;gap:14px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{position:relative;display:grid;gap:6px}
.field label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--fg-2)}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--line-strong);background:var(--paper);font:inherit;font-size:16px;color:var(--ink);transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),transform var(--t-fast) var(--ease)}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.field.is-error input{border-color:#c0392b;box-shadow:0 0 0 4px rgba(192,57,43,.12)}
.field__err{font-size:12px;color:#c0392b;display:none}
.field.is-error .field__err{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--fg-2)}
.check input{accent-color:var(--accent);margin-top:4px}
.form__ok{display:none;padding:28px;border-radius:var(--r-lg);background:var(--accent-soft);border:1px solid rgba(217,119,87,.3)}
.form.is-done .form__ok{display:block;animation:pop .5s var(--spring)}
.form.is-done .form__fields{display:none}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:none;opacity:1}}
@media (max-width:640px){.form__row{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.foot{padding:64px 0 40px;background:var(--ink);color:var(--on-dark-2)}
.foot__in{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px;align-items:start}
.foot__brand{font-family:var(--serif);font-size:26px;color:#fff}
.foot h6{margin:0 0 12px;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--on-dark-3)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{transition:color var(--t-fast) var(--ease)}
.foot a:hover{color:#fff}
.foot__legal{margin-top:48px;padding-top:20px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--on-dark-3)}
@media (max-width:760px){.foot__in{grid-template-columns:1fr}}

/* ---------- utilidades ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:960px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.mt-1{margin-top:12px}.mt-2{margin-top:24px}.mt-3{margin-top:40px}.mt-4{margin-top:64px}
.center{text-align:center}
.preview-badge{position:fixed;right:14px;bottom:14px;z-index:85;font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;padding:8px 12px;border-radius:999px;background:var(--ink);color:#fff;opacity:.85}
.marquee{overflow:hidden;white-space:nowrap;border-block:1px solid var(--rule);padding:18px 0;font-family:var(--serif);font-size:clamp(20px,2.4vw,30px);color:var(--fg-2)}
.marquee__in{display:inline-block;padding-left:100%;animation:marquee 38s linear infinite}
.marquee__in span{margin-right:64px}
.marquee__in i{font-style:normal;color:var(--accent);margin:0 26px}
@keyframes marquee{to{transform:translateX(-100%)}}
@media (prefers-reduced-motion:reduce){.marquee__in{animation:none;padding-left:0}}
.pill-nav{display:flex;flex-wrap:wrap;gap:8px}
.cat-head{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;margin:56px 0 22px;padding-bottom:14px;border-bottom:1px solid var(--rule)}
.cat-head .h3{font-size:clamp(24px,3vw,40px)}


/* ---------- recursos: catálogo (entrar → entender → ver) ---------- */
.cat{padding:calc(var(--nav-h) + clamp(28px,4vw,48px)) 0 clamp(72px,9vw,120px)}
.cat__head{display:grid;grid-template-columns:1fr minmax(320px,460px);gap:28px;align-items:end;margin-bottom:22px}
.cat__h1{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;line-height:1;font-size:clamp(40px,5vw,64px);margin:0}
.cat__sub{margin:12px 0 0;color:var(--fg-2);font-size:15.5px;max-width:52ch;line-height:1.5}
.search{position:relative;display:flex;align-items:center;gap:10px;height:52px;padding:0 14px 0 16px;border-radius:999px;background:var(--paper);border:1px solid var(--line-strong);transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-mid) var(--ease)}
.search:focus-within{border-color:var(--ink);box-shadow:0 12px 30px -18px rgba(25,25,24,.35)}
.search svg{width:20px;height:20px;color:var(--fg-3);flex:none}
.search input{flex:1;min-width:0;border:0;background:transparent;font:inherit;font-size:16px;color:var(--fg);outline:none}
.search input::placeholder{color:var(--fg-3)}
.search input::-webkit-search-cancel-button{display:none}
.search__x{width:28px;height:28px;border-radius:50%;background:var(--sand);color:var(--fg-2);font-size:18px;line-height:1;display:grid;place-items:center}
.search__x:hover{background:var(--ink);color:#fff}
.search__x[hidden]{display:none}
.filters{display:flex;gap:8px;flex-wrap:wrap;padding:14px 0 22px;border-top:1px solid var(--rule)}
.filters .chip small{font-size:11px;font-weight:600;color:var(--fg-3);margin-left:2px;letter-spacing:0}
.filters .chip.is-active small{color:rgba(255,255,255,.6)}
.cat__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cat__grid--3{grid-template-columns:repeat(3,1fr)}
@media (min-width:1400px){.cat__grid:not(.cat__grid--3){grid-template-columns:repeat(4,1fr)}}
.ci{display:flex;flex-direction:column;gap:8px;padding:18px 20px 16px;border-radius:var(--r-lg);background:var(--paper);border:1px solid var(--line);min-height:168px;
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease)}
.ci:hover{transform:translateY(-3px);box-shadow:0 24px 50px -36px rgba(25,25,24,.45);border-color:transparent}
.ci:active{transform:translateY(-1px)}
.ci.is-hidden{display:none}
.ci__top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.ci--feat{box-shadow:inset 3px 0 0 var(--accent)}
.ci--feat .ci__f span:first-child{color:var(--accent-deep);font-weight:600}
.ci__t{font-family:var(--serif);font-size:19px;line-height:1.22;font-weight:500;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ci__d{color:var(--fg-2);font-size:14px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ci__f{margin-top:auto;padding-top:10px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--fg-3)}
.cat__empty{margin:28px 0 0;color:var(--fg-2)}
@media (max-width:960px){.cat__head{grid-template-columns:1fr;gap:16px}.cat__grid,.cat__grid--3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.cat__grid,.cat__grid--3{grid-template-columns:1fr}.cat{padding-top:calc(var(--nav-h) + 20px)}.filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:14px;margin-inline:-24px;padding-inline:24px;scrollbar-width:none}.filters::-webkit-scrollbar{display:none}.filters .chip{flex:none}}
/* cierre de recurso: transición suave al reto */
.next{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.next__cta{display:grid;gap:14px;justify-items:start}
.next__alt{display:inline-flex;align-items:center;gap:8px;color:var(--on-dark-2);font-size:14.5px;transition:color var(--t-fast) var(--ease)}
.next__alt svg{width:16px;height:16px}
.next__alt:hover{color:#fff}
@media (max-width:800px){.next{grid-template-columns:1fr}}

/* ==========================================================================
   HOME v2 (08-sep): entrar > entender > consumir. Solo afecta a body[data-page="home"].
   ========================================================================== */
body[data-page="home"] .sec{padding:clamp(56px,7vw,92px) 0}
body[data-page="home"] .sec--tight{padding:clamp(44px,5.5vw,72px) 0}
.hm-label{display:block;font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--accent);margin-bottom:10px}
.hm-title{font-family:var(--serif);font-weight:500;letter-spacing:-.012em;line-height:1.1;font-size:clamp(24px,2.6vw,34px);margin:0}
.hm-p{color:var(--fg-2);font-size:16.5px;line-height:1.55;max-width:56ch;margin:14px 0 22px}
.hm-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid var(--rule)}
.hm-head .link-arrow{flex:none;white-space:nowrap}
/* hero compacto en dos columnas */
.hm-hero{background:var(--cream);padding:calc(var(--nav-h) + clamp(28px,4vw,52px)) 0 clamp(36px,4vw,56px)}
.hm-hero__in{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(28px,5vw,72px);align-items:center}
.hm-h1{font-family:var(--serif);font-weight:500;letter-spacing:-.018em;line-height:1.04;font-size:clamp(36px,4.4vw,60px);margin:16px 0 0}
.hm-hero__sub{color:var(--fg-2);font-size:clamp(16px,1.25vw,18px);line-height:1.55;max-width:42ch;margin:16px 0 24px}
.hm-hero__meta{margin:18px 0 0;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-3)}
.hm-player{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);cursor:pointer;box-shadow:0 30px 60px -40px rgba(25,25,24,.55)}
.hm-player img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease-out)}
.hm-player:hover img{transform:scale(1.03)}
.hm-player:hover .play__b{transform:scale(1.08);background:var(--accent);color:#fff}
.hm-player .play__b{width:76px;height:76px}
.hm-player__cap{display:grid;gap:3px;margin-top:14px;padding:0 4px}
.hm-player__k{font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--accent)}
.hm-player__cap a{font-weight:600;font-size:15px;line-height:1.35;letter-spacing:-.01em}
.hm-player__cap a:hover{color:var(--accent-deep)}
.hm-player__cap p{margin:0;font-weight:600;font-size:15px;line-height:1.35;letter-spacing:-.01em}
@media (max-width:900px){.hm-hero__in{grid-template-columns:1fr;gap:26px}.hm-hero{padding-top:calc(var(--nav-h) + 20px)}}
/* que quieres aprender */
.hm-routes{display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,4vw,56px);align-items:center}
.hm-pills{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.hm-pill{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;column-gap:10px;align-items:center;padding:14px 16px;border-radius:var(--r-md);background:var(--cream);border:1px solid var(--line);transition:transform var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),background-color var(--t-mid) var(--ease)}
.hm-pill b{font-weight:600;font-size:15px;letter-spacing:-.01em;line-height:1.25}
.hm-pill span{grid-column:1;font-size:11.5px;color:var(--fg-3);letter-spacing:.04em;margin-top:3px}
.hm-pill svg{grid-column:2;grid-row:1/3;width:16px;height:16px;color:var(--accent);transition:transform var(--t-mid) var(--ease)}
.hm-pill:hover{transform:translateY(-2px);border-color:var(--ink);background:var(--paper)}
.hm-pill:hover svg{transform:translateX(3px)}
@media (max-width:1000px){.hm-routes{grid-template-columns:1fr;gap:16px}.hm-pills{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.hm-pills{grid-template-columns:1fr}}
/* tutoriales: rejilla de videos, reproduccion en el sitio */
.hm-vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px 18px}
.hm-v{display:grid;gap:8px;align-content:start}
.hm-v__th{position:relative;aspect-ratio:16/9;border-radius:var(--r-md);overflow:hidden;background:var(--sand);cursor:pointer}
.hm-v__th img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease-out)}
.hm-v__th:hover img{transform:scale(1.05)}
.hm-v__th .play__b{width:48px;height:48px}
.hm-v__th .play__b svg{width:16px;height:16px}
.hm-v__th:hover .play__b{transform:scale(1.08);background:var(--accent);color:#fff}
.hm-v__t{font-weight:600;font-size:14.5px;line-height:1.35;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hm-v__t:hover{color:var(--accent-deep)}
.hm-v__m{font-size:11px;color:var(--fg-3);letter-spacing:.08em;text-transform:uppercase}
@media (max-width:960px){.hm-vgrid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.hm-vgrid{grid-template-columns:1fr 1fr;gap:18px 12px}}
/* recursos: tres cards iguales con visual */
.hm-rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.hm-r{display:flex;flex-direction:column;border-radius:var(--r-lg);background:var(--paper);border:1px solid var(--line);overflow:hidden;transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease)}
.hm-r:hover{transform:translateY(-3px);box-shadow:0 26px 50px -36px rgba(25,25,24,.45);border-color:transparent}
.hm-r__v{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--cream);border-bottom:1px solid var(--line)}
.hm-r__v--shot img{width:100%;height:100%;object-fit:cover;object-position:left top;transition:transform 1s var(--ease-out)}
.hm-r:hover .hm-r__v--shot img{transform:scale(1.03)}
.hm-r__v--days{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;padding:22px 20px;align-items:end;background:linear-gradient(180deg,var(--cream),var(--sand))}
.hm-r__v--days span{display:grid;gap:8px;text-align:center;font-size:11px;color:var(--fg-2);letter-spacing:.04em}
.hm-r__v--days b{display:block;font-family:var(--serif);font-style:italic;font-weight:500;font-size:clamp(15px,1.4vw,19px);color:var(--ink);padding:14px 0 12px;border-top:2px solid var(--accent)}
.hm-r__v--days span:nth-child(2) b{padding-top:22px}.hm-r__v--days span:nth-child(3) b{padding-top:30px}.hm-r__v--days span:nth-child(4) b{padding-top:38px}.hm-r__v--days span:nth-child(5) b{padding-top:46px;color:var(--accent-deep)}
.hm-r__v--flow{display:grid;place-items:center;background:linear-gradient(180deg,var(--cream),var(--sand))}
.hm-r__v--flow svg{width:100%;height:100%}
.hm-r__v--type{display:grid;align-content:end;gap:8px;padding:22px;background:linear-gradient(180deg,var(--cream),var(--sand))}
.hm-r__big{font-family:var(--serif);font-style:italic;font-size:clamp(26px,2.6vw,36px);line-height:1;color:var(--ink)}
.hm-r__tools{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3)}
.hm-r__b{display:flex;flex-direction:column;gap:8px;padding:16px 18px 14px;flex:1}
.hm-r__t{font-family:var(--serif);font-size:19px;line-height:1.22;font-weight:500;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.hm-r__f{margin-top:auto;padding-top:10px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--fg-3)}
@media (max-width:900px){.hm-rgrid{grid-template-columns:1fr}.hm-r__v{aspect-ratio:16/9}}
/* reto compacto */
.hm-reto{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.days--compact .day{padding:11px 0;gap:14px}
.days--compact .day__n{font-size:18px}
.days--compact .day__t{font-size:15px}
.days--compact .day__d{font-size:13px}
@media (max-width:860px){.hm-reto{grid-template-columns:1fr}}
/* construido de verdad: tiles iguales */
.hm-show{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hm-s{position:relative;display:block;aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;background:var(--ink);color:#fff;isolation:isolate}
.hm-s img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1;filter:saturate(.9);transition:transform 1.1s var(--ease-out)}
.hm-s::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(25,25,24,.02),rgba(25,25,24,.85))}
.hm-s:hover img{transform:scale(1.04)}
.hm-s__b{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;display:grid;gap:4px}
.hm-s__b span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-3);font-weight:600}
.hm-s__t{font-family:var(--serif);font-size:clamp(17px,1.5vw,21px);line-height:1.2;font-weight:500}
.hm-s--res{background:var(--accent)}
.hm-s--res::after{background:none}
.hm-s--res .hm-s__b span{color:rgba(255,255,255,.75)}
@media (max-width:900px){.hm-show{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.hm-show{grid-template-columns:1fr}.hm-s{aspect-ratio:16/9}}
/* programa / quien ensena / agenda */
.hm-prog{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,80px);align-items:center}
.hm-who{display:grid;grid-template-columns:220px 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.hm-who__img{position:relative;aspect-ratio:4/5;border-radius:var(--r-lg);overflow:hidden;background:var(--sand-2)}
.hm-who__img img{width:100%;height:100%;object-fit:cover;filter:saturate(.9)}
.hm-who__img .portrait__tag{left:10px;bottom:10px;padding:6px 10px;font-size:11px}
.hm-cta{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.hm-cta .hm-p{margin-bottom:0}
@media (max-width:860px){.hm-prog,.hm-cta{grid-template-columns:1fr}.hm-who{grid-template-columns:160px 1fr}}
@media (max-width:560px){.hm-who{grid-template-columns:1fr}.hm-who__img{max-width:220px}}
/* deep-link desde Home a las rutas de /tutoriales: que el ancla no quede bajo la barra fija */
.route[id],.cat-head[id]{scroll-margin-top:calc(var(--nav-h) + 20px)}

/* ---------- /tutoriales: entrada compacta + rutas como playlists (08-sep) ---------- */
.tut-head{padding:calc(var(--nav-h) + clamp(20px,3vw,36px)) 0 18px}
.tut-head__row{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end;margin-top:10px}
.tut-h1{font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.05;font-size:clamp(32px,3.6vw,46px);margin:0}
.tut-sub{margin:8px 0 0;color:var(--fg-2);font-size:15.5px;max-width:52ch;line-height:1.5}
.tut-chips{justify-content:flex-end;max-width:560px}
.tut-sec{display:flex;align-items:baseline;gap:14px;margin:26px 0 14px;padding-bottom:12px;border-bottom:1px solid var(--rule)}
.tut-h2{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.2vw,28px);letter-spacing:-.01em;line-height:1.15;margin:0}
.tut-h2 .muted{font-family:var(--sans);font-size:14px;font-weight:400;margin-left:8px}
.pl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pl{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 16px 14px;scroll-margin-top:calc(var(--nav-h) + 16px)}
.pl__head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:6px}
.pl__k{display:block;font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--accent);margin-bottom:6px}
.pl__title{font-family:var(--serif);font-weight:500;font-size:20px;line-height:1.15;margin:0}
.pl__d{margin:6px 0 0;font-size:13px;color:var(--fg-2);line-height:1.45}
.pl__head .btn{flex:none;margin-top:2px}
.pl__list{display:grid;margin-top:8px}
.pl__i{display:grid;grid-template-columns:24px 76px 1fr;gap:10px;align-items:center;padding:9px 0;border-top:1px solid var(--rule);transition:background-color var(--t-fast) var(--ease)}
.pl__i:hover .pl__t{color:var(--accent-deep)}
.pl__n{font-family:var(--serif);font-style:italic;color:var(--accent);font-size:15px}
.pl__th{display:block;aspect-ratio:16/9;border-radius:6px;overflow:hidden;background:var(--sand)}
.pl__th img{width:100%;height:100%;object-fit:cover}
.pl__b{display:grid;gap:2px;min-width:0}
.pl__t{font-weight:600;font-size:13.5px;line-height:1.3;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pl__m{font-size:11px;color:var(--fg-3);letter-spacing:.08em;text-transform:uppercase}
.pl__res{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:12px}
.pl__res .chip{font-size:10.5px;padding:4px 9px}
.cat-head--tight{margin:36px 0 16px}
@media (max-width:1100px){.pl-grid{grid-template-columns:1fr 1fr}}
@media (max-width:900px){.tut-head__row{grid-template-columns:1fr}.tut-chips{justify-content:flex-start;max-width:none}}
@media (max-width:640px){.pl-grid{grid-template-columns:1fr}}
/* página de tutorial: video primero, serie, recursos, siguiente paso */
body[data-page="tutorial"] .nav:not(.is-scrolled){color:#fff}
body[data-page="tutorial"] .nav:not(.is-scrolled) .btn--ghost{--btn-fg:#fff;border-color:rgba(255,255,255,.28)}
.tv-head{padding:calc(var(--nav-h) + 16px) 0 30px}
.tv-player{position:relative;aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;background:#000;box-shadow:0 30px 60px -40px rgba(0,0,0,.8)}
.tv-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.tv-h1{font-family:var(--serif);font-weight:500;letter-spacing:-.012em;line-height:1.12;font-size:clamp(22px,2.4vw,32px);color:#fff;margin:20px 0 0;max-width:30ch}
.ser+.ser{margin-top:22px}
.ser__head{margin-bottom:14px}
.ser__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start}
.ser__next{display:grid;grid-template-columns:200px 1fr auto;gap:16px;align-items:center;padding:14px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease)}
.ser__next:hover{transform:translateY(-2px);box-shadow:0 24px 50px -36px rgba(25,25,24,.45)}
.ser__next:hover .card__arrow{background:var(--accent);color:#fff}
.ser__next--done{grid-template-columns:1fr;background:var(--sand)}
.ser__th{position:relative;display:block;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--sand)}
.ser__th img{width:100%;height:100%;object-fit:cover}
.ser__th .play__b{width:44px;height:44px}
.ser__th .play__b svg{width:14px;height:14px}
.ser__b{display:grid;gap:4px;min-width:0}
.ser__k{font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--accent)}
.ser__title{font-family:var(--serif);font-size:20px;line-height:1.2;font-weight:500}
.ser__m{font-size:12px;color:var(--fg-3)}
.ser__m a{display:inline-flex;align-items:center;gap:6px;color:var(--fg);font-weight:600}
.ser__m a svg{width:14px;height:14px}
.ser__list{display:grid}
.ser__i{display:grid;grid-template-columns:24px 1fr auto;gap:10px;align-items:center;padding:9px 0;border-top:1px solid var(--rule);font-size:14px}
.ser__i:last-child{border-bottom:1px solid var(--rule)}
.ser__i:hover .ser__t{color:var(--accent-deep)}
.ser__i.is-now .ser__t{font-weight:600}
.ser__i.is-now .ser__m{color:var(--accent-deep);font-weight:600}
.ser__t{font-weight:500;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:860px){.ser__grid{grid-template-columns:1fr}.ser__next{grid-template-columns:140px 1fr auto}}
@media (max-width:520px){.ser__next{grid-template-columns:1fr}.ser__next .card__arrow{display:none}}
.pl__foot{margin-top:12px}
.pl__foot .link-arrow{font-size:14px}
.pl__res{padding-top:10px}
#empezar.sec--tight{padding-bottom:40px}
.lead-pop{position:fixed;inset:0;z-index:120;display:grid;place-items:end center;padding:18px;pointer-events:none;background:rgba(25,25,24,0);transition:background .2s ease}
.lead-pop.is-visible{pointer-events:auto;background:rgba(25,25,24,.18)}
.lead-pop__card{position:relative;width:min(100%,440px);padding:28px;border:1px solid rgba(25,25,24,.1);border-radius:18px;background:var(--paper);box-shadow:0 22px 60px -28px rgba(25,25,24,.5);transform:translateY(20px);opacity:0;transition:transform .25s var(--ease-out),opacity .2s ease}
.lead-pop.is-visible .lead-pop__card{transform:translateY(0);opacity:1}
.lead-pop__close{position:absolute;right:12px;top:10px;width:32px;height:32px;border:0;border-radius:50%;background:transparent;color:var(--fg-2);font-size:25px;line-height:1;cursor:pointer}.lead-pop__close:hover{background:var(--sand);color:var(--ink)}
.lead-pop__eyebrow{display:block;margin-bottom:9px;color:var(--accent-deep);font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.lead-pop h2{margin:0;font-family:var(--serif);font-size:28px;font-weight:500;line-height:1.1}.lead-pop p{margin:9px 0 18px;color:var(--fg-2);font-size:14px;line-height:1.5}
.lead-pop__form{display:grid;gap:10px}.lead-pop__form label{display:grid;gap:5px;font-size:12px;font-weight:600;color:var(--fg-2)}.lead-pop__form input{width:100%;min-height:42px;padding:10px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit;font-size:14px;outline:none}.lead-pop__form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,87,.14)}.lead-pop__form .btn{justify-content:center;margin-top:4px}.lead-pop__form small{color:var(--fg-3);font-size:11px;text-align:center}.lead-pop__form.is-invalid input:invalid{border-color:#bd4f43}.lead-pop__form.is-error::after{content:'No pudimos registrar tus datos. Inténtalo de nuevo.';color:#bd4f43;font-size:12px}.lead-pop__success{display:grid;gap:4px;padding:15px 0;text-align:center;color:var(--fg-2)}.lead-pop__success b{font-family:var(--serif);font-size:24px;color:var(--ink)}
@media (max-width:520px){.lead-pop{padding:10px}.lead-pop__card{padding:24px 20px}.lead-pop h2{font-size:25px}}
.tut-topics.sec--tight{padding-top:36px}
.tut-topics .tut-sec{margin-top:0}
.tv-head .wrap{max-width:1040px}
.tv-head .tut-sec{margin-top:0}