/* Creaflow — /cursos (prefijo cu-) y hoja de curso /curso (prefijo fi-). Los tokens vienen de site.css; las tarjetas c-, de shop.css. */

/* =====================================================================
   /cursos — cajones (bins)
   ===================================================================== */
.cu{padding-block:clamp(20px,3.5vw,48px) 0}
.cu-head{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.45fr);gap:clamp(20px,4vw,56px);align-items:end;margin-bottom:clamp(24px,3.4vw,44px)}
.cu-head__text .eyebrow{margin-bottom:12px}
.cu-h1{font-size:clamp(2.2rem,1.1rem + 4vw,4.2rem);max-width:16ch;overflow-wrap:anywhere}
.cu-h1 .cu-q{display:block;margin-top:.08em;color:var(--teal-d);font-size:.62em;line-height:1.15;font-weight:600;letter-spacing:-.015em}
.cu-intro{max-width:56ch;margin-top:16px;color:var(--muted);font-size:1.0625rem}
.cu-meter{display:flex;flex-direction:column;gap:6px;padding:20px 22px 22px;border-radius:var(--r)}
.cu-meter p{margin:0}
.cu-meter__lbl{display:flex;align-items:center;gap:8px;color:var(--muted-d);font:500 .8125rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.cu-meter__tc{color:var(--teal-l);overflow-wrap:anywhere}
.cu-meter__sub{color:var(--muted-d);font-size:.9375rem;line-height:1.4}

.cu-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start}
.cu-main{min-width:0}

/* raíl */
.cu-rail{min-width:0;display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
.cu-rail>*{min-width:0}
.cu-search label{display:block;margin-bottom:8px;font:500 .8125rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--teal-d)}
.cu-search__row{display:flex;gap:8px}
.cu-search__row .input{flex:1 1 auto;min-width:0;border-radius:var(--r-pill);padding-inline:18px}
.cu-search__go{flex:none;padding:0 18px}
.cu-search:target .input{border-color:var(--teal-d)}
.cu-bins__h{margin-bottom:6px;font:500 .8125rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.cu-bins ul{display:flex;gap:8px;margin-inline:calc(var(--gutter) * -1);padding:2px var(--gutter) 8px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.cu-bins li{flex:0 0 auto;scroll-snap-align:start}
.cu-bins a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border:1.5px solid var(--line);border-radius:var(--r-pill);background:var(--surface);color:var(--ink);font-weight:500;font-size:.9375rem;text-decoration:none;white-space:nowrap;transition:background-color .2s,border-color .2s}
.cu-bins a:hover{border-color:var(--ink);color:var(--ink)}
.cu-bins a[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:var(--paper);font-weight:600}
.cu-bins__n{display:none}
.cu-bins__c{color:var(--muted);font-size:.8125rem}
.cu-bins a[aria-current="page"] .cu-bins__c{color:var(--teal-l)}

@media (min-width:1024px){
  .cu-layout{grid-template-columns:minmax(0,248px) minmax(0,1fr)}
  .cu-rail{position:sticky;top:calc(var(--header-h) + 16px);max-height:calc(100vh - var(--header-h) - 32px);overflow-y:auto;padding-right:6px;scrollbar-width:thin}
  .cu-bins ul{display:block;margin:0;padding:0;overflow:visible;border-top:1px solid var(--ink)}
  .cu-bins li{border-bottom:1px solid var(--line)}
  .cu-bins a{display:grid;grid-template-columns:2.2ch minmax(0,1fr) auto;gap:12px;align-items:center;min-height:48px;padding:6px 10px 6px 8px;border:0;border-radius:0;background:transparent;white-space:normal;line-height:1.25;position:relative}
  .cu-bins a:hover{background:var(--tile)}
  .cu-bins a[aria-current="page"]{background:var(--tile);color:var(--ink)}
  .cu-bins a[aria-current="page"]::before{content:"";position:absolute;left:-1px;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--rec)}
  .cu-bins a[aria-current="page"] .cu-bins__c{color:var(--teal-d)}
  .cu-bins__n{display:inline;color:var(--muted);font-size:.8125rem}
}

/* rejilla de clips */
.cu-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:16px}
.cu-grid>*{min-width:0}
@media (min-width:600px){
  .cu-grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cu-grid--solo>.c-clip{grid-column:span 2}
}

.cu-shelf{margin-bottom:clamp(36px,5vw,68px)}
.cu-shelf:last-child{margin-bottom:0}
.cu-shelf{padding-top:14px;border-top:1px solid var(--ink)}
.cu-shelf__head{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:6px clamp(16px,3vw,40px);align-items:end;margin-bottom:18px}
.cu-shelf__trk{grid-column:1/-1;display:flex;align-items:center;gap:8px;color:var(--muted);font:500 .8125rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.cu-shelf__trk span{display:inline-flex;align-items:center;min-height:22px;padding:0 7px;border-radius:5px;background:var(--teal);color:var(--ink)}
.cu-shelf__head h2{font-size:clamp(1.5rem,1.05rem + 1.7vw,2.3rem);line-height:1.1}
.cu-shelf__head h2 a{display:inline-block;padding-block:9px;margin-block:-9px;color:var(--ink);text-decoration:none}
.cu-shelf__head h2 a:hover{color:var(--teal-d)}
.cu-shelf__lead{color:var(--muted);font-size:1rem;max-width:52ch}

.cu-count{margin-bottom:16px;color:var(--muted);font-size:.9375rem}
.cu-count strong{color:var(--ink)}
.cu-empty{max-width:640px;display:grid;gap:12px;padding:clamp(22px,3vw,36px)}
.cu-empty h2{font-size:clamp(1.4rem,1.05rem + 1.2vw,2rem);overflow-wrap:anywhere}
.cu-empty p{max-width:52ch}
.cu-empty-shelves{max-width:640px;margin-top:28px}
.cu-sub{margin-bottom:6px;font-size:1.25rem}
.cu-empty-shelves ul{border-top:1px solid var(--ink)}
.cu-empty-shelves li{border-bottom:1px solid var(--line)}
.cu-empty-shelves a{display:grid;grid-template-columns:2.4ch minmax(0,1fr) auto;gap:12px;align-items:center;min-height:48px;color:var(--ink);font-weight:500;text-decoration:none}
.cu-empty-shelves a .tc{color:var(--muted);font-size:.8125rem}
.cu-empty-shelves a:hover{color:var(--teal-d)}

.cu-next{display:grid;gap:4px;margin-top:clamp(28px,4vw,48px);padding:clamp(18px,2.4vw,28px);border-radius:var(--r);background:var(--tile);color:var(--ink);text-decoration:none;position:relative;transition:transform .25s var(--ease)}
.cu-next:hover{transform:translateY(-3px);color:var(--ink)}
.cu-next::after{content:"→";position:absolute;right:clamp(18px,2.4vw,28px);top:50%;font-size:1.6rem;line-height:1;transform:translateY(-50%);transition:transform .25s var(--ease)}
.cu-next:hover::after{transform:translate(4px,-50%)}
.cu-next__k{color:var(--teal-d);font-size:.8125rem;letter-spacing:.06em;text-transform:uppercase}
.cu-next__t{padding-right:48px;font-size:clamp(1.25rem,1rem + 1vw,1.75rem);font-weight:600;letter-spacing:-.015em;line-height:1.15}
.cu-next__l{padding-right:48px;max-width:60ch;color:var(--muted);font-size:.9375rem}
.cu-back{margin-top:28px}

/* escritorio ancho: el tramo (nombre y entradilla) ocupa la tercera columna y los dos clips van a su lado */
@media (min-width:1180px){
  .cu-shelf{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:16px;align-items:start}
  .cu-shelf__head{display:block;position:sticky;top:calc(var(--header-h) + 16px);margin:0}
  .cu-shelf__trk{margin-bottom:10px}
  .cu-shelf__lead{margin-top:10px}
}
@media (max-width:900px){
  .cu-head{grid-template-columns:minmax(0,1fr);align-items:start}
  .cu-meter{flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:4px 18px}
  .cu-meter__lbl{flex:1 0 100%}
  .cu-meter__tc{font-size:1.9rem}
}
@media (max-width:700px){
  .cu-shelf__head{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:420px){
  .cu-search__go{padding:0 14px}
}
@media (prefers-reduced-motion:reduce){
  .cu-next:hover{transform:none}
  .cu-next:hover::after{transform:translateY(-50%)}
}

/* =====================================================================
   /curso — hoja de proyecto (fi-)
   ===================================================================== */
.fi{padding-top:clamp(14px,2.4vw,32px)}
.fi-crumbs ol{display:flex;flex-wrap:wrap;gap:2px 0;font:500 .8125rem/1.5 var(--mono);letter-spacing:.03em}
.fi-crumbs li{display:inline-flex;align-items:center;min-width:0}
.fi-crumbs li+li::before{content:"/";margin:0 .7em;color:var(--muted)}
.fi-crumbs a{display:inline-flex;align-items:center;min-height:32px;color:var(--teal-d)}
@media (max-width:700px){.fi-crumbs a{min-height:44px}}
.fi-crumbs [aria-current]{color:var(--muted);overflow-wrap:anywhere}

.fi-head{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(18px,3vw,40px);align-items:end;margin:clamp(14px,2vw,24px) 0 clamp(22px,3vw,36px)}
.fi-chips{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-bottom:14px}
.fi-chips__trk{color:var(--muted);font-size:.8125rem;letter-spacing:.06em;text-transform:uppercase}
.fi-head h1{font-size:clamp(1.85rem,1rem + 2.9vw,3.3rem);line-height:1.07;max-width:22ch;overflow-wrap:break-word}
.fi-role{margin-top:14px;color:var(--muted);font-size:1.0625rem}
.fi-quote{display:grid;gap:10px;margin:0;padding:clamp(18px,2.2vw,28px)}
.fi-quote blockquote{margin:0}
.fi-quote p{font-size:clamp(1.15rem,1rem + .7vw,1.5rem);line-height:1.3;font-weight:500;letter-spacing:-.01em;text-wrap:balance}

/* cuerpo: foto + línea de tiempo a la izquierda, panel de compra pegajoso a la derecha */
.fi-main{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"photo" "buy" "tl";gap:22px}
.fi-photo{grid-area:photo;position:relative;margin:0;overflow:hidden;border-radius:var(--r);background:var(--night-2);aspect-ratio:16/9}
.fi-photo img{display:block;width:100%;height:100%;max-width:none;object-fit:cover}
.fi-photo__tc{position:absolute;left:12px;bottom:12px;display:grid;gap:2px;padding:8px 14px 9px;border-radius:10px;background:rgba(10,26,22,.84);color:var(--paper)}
.fi-photo__lbl{display:flex;align-items:center;gap:8px;color:var(--muted-d);font:500 .8125rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.fi-photo__t{font-size:clamp(1.4rem,1rem + 1.6vw,2.2rem);line-height:1.05;color:var(--paper);letter-spacing:0}

.fi-buy{grid-area:buy;display:grid;gap:14px;padding:clamp(18px,2vw,24px);border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow);border-top:3px solid var(--teal)}
.fi-buy__price{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:0}
.fi-buy__price .tc{font-size:clamp(2rem,1.5rem + 1.6vw,2.7rem);line-height:1;letter-spacing:-.01em}
.fi-buy__price small{color:var(--muted);font-size:.9375rem}
.fi-facts{display:grid;margin:0;border-top:1px solid var(--line)}
.fi-facts>div{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:10px;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--line)}
.fi-facts dt{color:var(--muted);font:500 .8125rem/1.35 var(--mono);letter-spacing:.05em;text-transform:uppercase}
.fi-facts dd{margin:0;font-size:.9375rem;line-height:1.4;text-align:right}
.fi-buy .c-addform{width:100%}
.fi-buy .btn{width:100%}
.fi-buy__state{display:flex;align-items:center;gap:8px;margin:0;color:var(--teal-d);font-weight:600}
.fi-buy__note{margin:0;color:var(--muted);font-size:.875rem;line-height:1.5}

.fi-tlwrap{grid-area:tl;min-width:0}
.fi-tlhead{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 16px;margin-bottom:12px}
.fi-tlhead h2{font-size:clamp(1.3rem,1.05rem + .9vw,1.7rem)}
.fi-tlhead .tc{color:var(--muted);font-size:.8125rem;letter-spacing:.04em;text-transform:uppercase}
.fi-tl{display:grid;gap:8px;padding:12px 14px 16px;border-radius:var(--r);background:var(--night);color:var(--paper);background-image:radial-gradient(120% 90% at 100% 0,rgba(64,156,152,.16),transparent 60%)}
.fi-tl__ruler{margin-left:40px;color:var(--paper)}
.fi-tl__lane{display:grid;grid-template-columns:30px minmax(0,1fr);gap:10px;align-items:center}
.fi-tl__trk{color:var(--muted-d);font-size:.8125rem;letter-spacing:.04em}
.fi-tl__clips{position:relative;display:flex;gap:3px;height:56px;overflow:hidden;border-radius:7px}
.fi-tl__lane--a .fi-tl__clips{height:30px}
.fi-seg{display:flex;align-items:center;gap:8px;flex:1 1 0;min-width:0;padding:0 8px;overflow:hidden;border-radius:6px;container-type:inline-size;transition:box-shadow .2s}
.fi-seg--a{background:var(--teal);color:var(--ink)}
.fi-seg--b{background:var(--teal-l);color:var(--ink)}
.fi-seg__n{flex:none;font-size:.8125rem;font-weight:500}
.fi-seg__t{display:none;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.8125rem;font-weight:600}
@container (min-width:150px){.fi-seg__t{display:block}}
.fi-seg.is-hot,.fi-wave.is-hot{box-shadow:inset 0 0 0 2px var(--paper)}
.fi-wave{flex:1 1 0;min-width:0;border-radius:5px;background-color:var(--night-2);background-image:repeating-linear-gradient(90deg,var(--teal-l) 0 2px,transparent 2px 6px);background-size:100% 62%;background-position:center;background-repeat:no-repeat;
  -webkit-mask-image:repeating-linear-gradient(90deg,#000 0 3px,rgba(0,0,0,.45) 3px 9px,#000 9px 11px,rgba(0,0,0,.7) 11px 20px);mask-image:repeating-linear-gradient(90deg,#000 0 3px,rgba(0,0,0,.45) 3px 9px,#000 9px 11px,rgba(0,0,0,.7) 11px 20px)}
.fi-tl__ph{position:absolute;top:0;bottom:0;left:0;width:100%;border-right:2px solid var(--rec);transform:translateX(-100%);animation:fi-play 18s linear infinite;pointer-events:none}
.fi-tl__ph::after{content:"";position:absolute;right:-6px;top:0;border:5px solid transparent;border-top:7px solid var(--rec)}
@keyframes fi-play{from{transform:translateX(-100%)}to{transform:translateX(0)}}

.fi-units{margin-top:6px;border-top:1px solid var(--ink)}
.fi-units li{display:grid;grid-template-columns:3ch minmax(0,1fr) auto;gap:4px 14px;align-items:baseline;min-height:48px;padding:11px 8px;border-bottom:1px solid var(--line);transition:background-color .2s}
.fi-units li.is-hot{background:var(--tile)}
.fi-units__n{color:var(--teal-d);font-size:.8125rem}
.fi-units__t{font-weight:500;font-size:1.0625rem;line-height:1.3}
.fi-units__m{color:var(--muted);font-size:.8125rem;letter-spacing:.02em;white-space:nowrap;text-align:right}

/* banda de lo que terminas */
.fi-deliver{margin-top:clamp(48px,7vw,96px);padding-block:clamp(40px,6vw,88px);background:var(--night);background-image:radial-gradient(90% 120% at 100% 0,rgba(64,156,152,.16),transparent 60%)}
.fi-deliver__in{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.45fr);gap:28px clamp(24px,5vw,72px);align-items:end}
.fi-deliver .eyebrow{margin-bottom:16px}
.fi-deliver__t{max-width:22ch;font-size:clamp(1.9rem,1rem + 3.6vw,4rem);line-height:1.06;font-weight:600;letter-spacing:-.022em;text-wrap:balance}
.fi-deliver__out{position:relative;display:grid;gap:4px;padding-left:18px;color:var(--muted-d);font:500 .8125rem/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase}
.fi-deliver__out::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:2px;background:var(--rec)}
.fi-deliver__out b{color:var(--teal-l);font-size:clamp(1.5rem,1rem + 1.8vw,2.4rem);line-height:1.1;letter-spacing:0}

/* resultados e incluye: dos filas de libro de cuentas con la misma columna de títulos */
.fi-ledger{margin-top:clamp(40px,6vw,80px)}
.fi-ledger__row{display:grid;grid-template-columns:minmax(0,.55fr) minmax(0,1.45fr);gap:14px clamp(20px,4vw,56px);padding-block:clamp(20px,2.6vw,32px);border-top:1px solid var(--ink)}
.fi-ledger__row h2{font-size:clamp(1.4rem,1.05rem + 1.3vw,2rem)}
.fi-rows li{display:grid;grid-template-columns:3ch minmax(0,1fr);gap:14px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line)}
.fi-rows li:first-child{padding-top:0}
.fi-rows li:last-child{border-bottom:0}
.fi-rows .tc{color:var(--teal-d);font-size:.875rem}
.fi-rows p{font-size:clamp(1.1rem,1rem + .55vw,1.4rem);line-height:1.32;font-weight:500;letter-spacing:-.008em}
.fi-check{display:grid;gap:0 36px}
.fi-check li{position:relative;padding:11px 0 11px 34px;border-bottom:1px solid var(--line);line-height:1.45}
.fi-check li::before{content:"";position:absolute;left:0;top:13px;width:20px;height:20px;border-radius:50%;background:var(--teal-d)}
.fi-check li::after{content:"";position:absolute;left:7px;top:17px;width:6px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) scale(.9)}

/* para quién y límites */
.fi-for{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(20px,4vw,56px);align-items:start;margin-top:clamp(36px,5vw,64px);padding-top:clamp(20px,2.6vw,32px);border-top:1px solid var(--ink)}
.fi-for h2{margin-bottom:14px;font-size:clamp(1.4rem,1.05rem + 1.3vw,2rem)}
.fi-for__t{font-size:clamp(1.15rem,1rem + .7vw,1.5rem);line-height:1.35;font-weight:500;letter-spacing:-.008em;max-width:40ch}
.fi-for__need{margin-top:18px;padding-left:16px;max-width:56ch;border-left:2px solid var(--teal);color:var(--muted)}
.fi-for__not{padding:clamp(18px,2.4vw,30px);border-radius:var(--r);background:var(--tile)}
.fi-limits li{position:relative;padding:11px 0 11px 26px;border-top:1px solid var(--line);line-height:1.45}
.fi-limits li:first-child{border-top:0;padding-top:0}
.fi-limits li:first-child::before{top:.7em}
.fi-limits li::before{content:"";position:absolute;left:0;top:1.35em;width:12px;height:2px;background:var(--rec-d)}

/* otros cursos */
.fi-more{display:grid;grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));gap:36px 16px;margin-top:clamp(44px,6vw,84px)}
.fi-group{grid-column:span var(--n,1);min-width:0}
.fi-group__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;padding-top:12px;border-top:1px solid var(--ink)}
.fi-group__head h2{font-size:1.25rem}
.fi-group__head .link-more{min-height:44px;align-items:center;font-size:.9375rem}
.fi-clips{display:grid;grid-template-columns:repeat(var(--n,1),minmax(0,1fr));gap:16px}
.fi-clips>*{min-width:0}

/* escritorio: panel de compra a la derecha */
@media (min-width:960px){
  .fi-main{grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);grid-template-areas:"photo buy" "tl buy";gap:28px clamp(22px,3vw,40px)}
  .fi-buy{position:sticky;top:calc(var(--header-h) + 18px);align-self:start}
}
@media (min-width:700px){
  .fi-check{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:959px){
  .fi-head{grid-template-columns:minmax(0,1fr);align-items:start}
}
@media (max-width:899px){
  .fi-more{grid-template-columns:minmax(0,1fr)}
  .fi-group{grid-column:auto}
  .fi-clips{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}
}
@media (max-width:800px){
  .fi-deliver__in{grid-template-columns:minmax(0,1fr)}
  .fi-ledger__row,.fi-for{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:520px){
  .fi-units li{grid-template-columns:3ch minmax(0,1fr)}
  .fi-units__m{grid-column:2;text-align:left;white-space:normal}
  .fi-facts>div{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
  .fi-tl{padding:10px 10px 14px}
  .fi-tl__ruler{margin-left:36px}
  .fi-tl__lane{grid-template-columns:26px minmax(0,1fr);gap:8px}
  .fi-seg{padding:0 4px;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  .fi-tl__ph{animation:none;transform:translateX(-100%)}
}