/* ============================================================
   XIIA · Optimización inteligente de negocios
   ------------------------------------------------------------
   Tipos   Schibsted Grotesk (titulares) · Source Serif 4 (lectura)
           IBM Plex Mono (datos y etiquetas)
   Motivo  El registro de horas: cada marca es una hora de trabajo.
   ============================================================ */

:root{
  --paper:#FFFFFF;
  --wash:#F7F7F4;
  --raised:#FFFFFF;
  --ink:#14161B;
  --ink-soft:#3A3F4B;
  --muted:#61667A;
  --faint:#6B7082;
  --line:#E7E7E2;
  --line-soft:#F0F0EC;
  --accent:#1B44CE;
  --accent-ink:#1B44CE;
  --accent-wash:rgba(27,68,206,.07);
  --lost:#C9CBD2;

  --shadow-1:0 1px 2px rgba(20,22,27,.04), 0 6px 18px rgba(20,22,27,.045);
  --shadow-2:0 2px 6px rgba(20,22,27,.05), 0 20px 48px rgba(20,22,27,.09);

  --display:"Schibsted Grotesk","Helvetica Neue",Arial,sans-serif;
  --read:"Source Serif 4",Georgia,serif;
  --data:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1140px;
  --pad:26px;
  --ease:cubic-bezier(.22,1,.36,1);

  color-scheme:light;
}

[data-theme="dark"]{
  --paper:#0E1013;
  --wash:#141720;
  --raised:#171A22;
  --ink:#F3F4F6;
  --ink-soft:#D3D6DE;
  --muted:#969CAC;
  --faint:#8A90A2;
  --line:#242833;
  --line-soft:#1C202A;
  --accent:#7B9BFF;
  --accent-ink:#9DB4FF;
  --accent-wash:rgba(123,155,255,.12);
  --lost:#333846;

  --shadow-1:0 1px 2px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
  --shadow-2:0 2px 6px rgba(0,0,0,.45), 0 20px 48px rgba(0,0,0,.42);

  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--display);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background-color .5s var(--ease), color .5s var(--ease);
}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  letter-spacing:-.03em;
  line-height:1.08;
  margin:0;
  color:var(--ink);
}

p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);}
.narrow{max-width:820px;}

.serif{font-family:var(--read);font-weight:400;letter-spacing:0;}

.label{
  font-family:var(--data);
  font-size:11px;font-weight:400;
  letter-spacing:.18em;text-transform:uppercase;
  color:var(--faint);
}

.skip{position:absolute;left:-999px;top:0;z-index:300;background:var(--ink);color:var(--paper);padding:12px 18px;}
.skip:focus{left:0;}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px;}

/* ── Botones ──────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--display);font-size:15px;font-weight:500;letter-spacing:-.01em;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .3s var(--ease), background-color .3s var(--ease),
             color .3s var(--ease), border-color .3s var(--ease), opacity .3s var(--ease);
}
.btn--fill{background:var(--ink);color:var(--paper);}
.btn--fill:hover{transform:translateY(-1px);opacity:.9;}
.btn--line{background:transparent;color:var(--ink);border-color:var(--line);}
.btn--line:hover{border-color:var(--ink);transform:translateY(-1px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--invert{background:var(--paper);color:var(--ink);}
.btn--invert:hover{transform:translateY(-1px);opacity:.9;}
.btn__arrow{transition:transform .3s var(--ease);}
.btn:hover .btn__arrow{transform:translateX(3px);}

/* ── Barra fija: marca, progreso y una sola acción ────────── */
.bar{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:var(--paper);
  background:color-mix(in srgb, var(--paper) 76%, transparent);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease), transform .5s var(--ease);
}
.bar.is-lined{border-bottom-color:var(--line);}
.bar.is-away{transform:translateY(-100%);}

.bar__inner{display:flex;align-items:center;gap:16px;height:64px;}

.mark{display:inline-flex;align-items:center;gap:10px;}
.mark__glyph{width:24px;height:24px;color:var(--accent);}
.mark__word{
  font-family:var(--display);font-weight:600;
  font-size:19px;letter-spacing:.14em;color:var(--ink);
}
.bar__spacer{flex:1;}

.theme{
  width:36px;height:36px;display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);border-radius:999px;
  cursor:pointer;color:var(--muted);
  transition:color .3s var(--ease), border-color .3s var(--ease);
}
.theme:hover{color:var(--ink);border-color:var(--ink);}
.theme svg{width:16px;height:16px;}
.theme .icon-moon{display:none;}
[data-theme="dark"] .theme .icon-sun{display:none;}
[data-theme="dark"] .theme .icon-moon{display:block;}

.progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:100%;
  background:var(--accent);transform-origin:0 50%;transform:scaleX(0);
}

/* ── Ritmo de secciones ───────────────────────────────────── */
.act{padding:120px 0;position:relative;}
.act--wash{background:var(--wash);}
.act--ink{background:var(--ink);color:var(--paper);}
.act--ink h2,.act--ink h3{color:var(--paper);}
.act--tight{padding:96px 0;}

.act__head{max-width:660px;margin-bottom:64px;}
.act__head h2{font-size:clamp(30px,3.9vw,46px);}
.act__head p{
  margin-top:20px;font-family:var(--read);
  font-size:19px;line-height:1.62;color:var(--muted);
}
.act--ink .act__head p{color:rgba(255,255,255,.62);}
.act--ink .label{color:rgba(255,255,255,.42);}

/* ── Acto 1 · Hero ────────────────────────────────────────── */
.hero{padding:172px 0 96px;position:relative;}
.hero__eyebrow{margin-bottom:30px;}
.hero h1{
  font-size:clamp(42px,6.4vw,80px);
  letter-spacing:-.042em;line-height:1.02;
  max-width:15ch;
}
.hero__sub{
  margin-top:30px;max-width:50ch;
  font-family:var(--read);font-size:20px;line-height:1.6;color:var(--muted);
}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px;}

/* Registro de horas: el motivo de la marca */
.ledger{margin-top:96px;padding-top:34px;border-top:1px solid var(--line);}
.ledger__row{display:flex;align-items:flex-end;gap:5px;height:60px;}
.hour{
  flex:1;max-width:16px;height:100%;border-radius:2px;
  background:var(--ink);
  opacity:0;transform:scaleY(.2);transform-origin:bottom;
  transition:opacity .5s var(--ease), transform .6s var(--ease), background-color .6s var(--ease);
}
.ledger.is-in .hour{opacity:1;transform:none;}
.hour--lost{background:var(--lost);}
.ledger.is-in .hour--lost{transition-delay:calc(var(--i) * 26ms + 700ms);}
.ledger__note{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:8px 26px;align-items:baseline;
}
.ledger__note p{
  font-family:var(--read);font-size:16.5px;color:var(--muted);max-width:56ch;
}
.key{display:inline-flex;align-items:center;gap:7px;}
.key i{width:9px;height:9px;border-radius:2px;display:block;}
.key--own i{background:var(--ink);}
.key--lost i{background:var(--lost);}

/* ── Acto 2 · El problema, con respuesta del visitante ────── */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.check{
  display:flex;align-items:flex-start;gap:15px;text-align:left;
  padding:24px 26px;
  background:var(--raised);border:1px solid var(--line);border-radius:16px;
  cursor:pointer;
  transition:border-color .3s var(--ease), background-color .3s var(--ease),
             transform .3s var(--ease), box-shadow .3s var(--ease);
}
.check:hover{border-color:var(--faint);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.check__box{
  flex:none;width:21px;height:21px;margin-top:2px;border-radius:6px;
  border:1.5px solid var(--faint);
  display:grid;place-items:center;color:transparent;
  transition:background-color .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.check__box svg{width:12px;height:12px;}
.check__text{font-family:var(--read);font-size:17.5px;line-height:1.5;color:var(--ink-soft);}
.check[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-wash);}
.check[aria-pressed="true"] .check__box{background:var(--accent);border-color:var(--accent);color:var(--paper);}
.check[aria-pressed="true"] .check__text{color:var(--ink);}

.tally{
  margin-top:40px;padding:28px 30px;border-radius:18px;
  border:1px solid var(--line);background:var(--wash);
  display:flex;flex-wrap:wrap;align-items:center;gap:18px 26px;
  opacity:0;transform:translateY(10px);
  transition:opacity .6s var(--ease), transform .6s var(--ease);
}
.tally.is-on{opacity:1;transform:none;}
.tally__count{font-family:var(--data);font-size:13px;color:var(--muted);}
.tally__count b{color:var(--ink);font-weight:500;}
.tally__msg{font-family:var(--read);font-size:17px;color:var(--ink-soft);flex:1;min-width:240px;}

/* ── Acto 3 · Filosofía ───────────────────────────────────── */
.creed{display:grid;gap:0;border-top:1px solid rgba(255,255,255,.13);}
.creed__row{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:baseline;
  padding:40px 0;border-bottom:1px solid rgba(255,255,255,.13);
}
.creed__before{
  font-family:var(--read);font-size:clamp(21px,2.5vw,28px);
  color:rgba(255,255,255,.46);font-style:italic;
}
.creed__after{
  font-family:var(--display);font-weight:600;
  font-size:clamp(28px,3.6vw,42px);letter-spacing:-.032em;color:#fff;
}
.creed__seal{
  margin-top:52px;font-family:var(--read);font-size:19px;
  color:rgba(255,255,255,.62);max-width:50ch;
}
.creed__seal b{color:#fff;font-weight:400;font-style:italic;}

/* ── Acto 4 · Método ──────────────────────────────────────── */
.method{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line);}
.stage{padding:36px 26px 12px 0;border-right:1px solid var(--line);position:relative;}
.stage:last-child{border-right:0;}
.stage__n{font-family:var(--data);font-size:11.5px;letter-spacing:.16em;color:var(--accent-ink);}
.stage__icon{width:26px;height:26px;margin:26px 0 22px;color:var(--ink);}
.stage h3{font-size:19px;}
.stage p{margin-top:12px;font-family:var(--read);font-size:15.5px;line-height:1.58;color:var(--muted);padding-right:8px;}

/* ── Acto 5 · Problemas que resolvemos ────────────────────── */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.voice{
  padding:32px 30px 34px;border-radius:18px;
  background:var(--raised);border:1px solid var(--line);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease);
}
.voice:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.voice__q{
  font-family:var(--read);font-size:20px;line-height:1.42;color:var(--ink);
  font-style:italic;
}
.voice__a{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:15.5px;line-height:1.58;color:var(--muted);}

/* ── Acto 6 · Casos ───────────────────────────────────────── */
.cases{display:grid;gap:20px;}
.case{
  display:grid;grid-template-columns:1fr 1.15fr;gap:44px;align-items:center;
  padding:38px 40px;border-radius:20px;
  border:1px solid var(--line);background:var(--raised);
}
.case__sector{margin-bottom:16px;}
.case h3{font-size:23px;line-height:1.24;}
.case__detail{margin-top:14px;font-family:var(--read);font-size:16.5px;color:var(--muted);line-height:1.58;}

.meter{display:grid;gap:18px;}
.meter__row{display:grid;grid-template-columns:78px 1fr auto;gap:16px;align-items:center;}
.meter__tag{font-family:var(--data);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);}
.meter__ticks{display:flex;gap:3px;flex-wrap:wrap;}
.meter__ticks i{
  width:6px;height:22px;border-radius:2px;display:block;background:var(--lost);
  opacity:0;transform:scaleY(.3);transform-origin:bottom;
  transition:opacity .4s var(--ease), transform .5s var(--ease);
}
.case.is-in .meter__ticks i{opacity:1;transform:none;transition-delay:calc(var(--i) * 18ms);}
.meter__row--after .meter__ticks i{background:var(--accent);}
.meter__num{font-family:var(--data);font-size:13px;color:var(--ink);}
.case__gain{
  margin-top:6px;font-family:var(--display);font-size:14px;font-weight:500;color:var(--accent-ink);
}

/* ── Acto 7 · Por qué ─────────────────────────────────────── */
.reasons{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;}
.reason{padding:34px 0;border-top:1px solid var(--line);}
.reason h3{font-size:21px;}
.reason p{margin-top:12px;font-family:var(--read);font-size:16.5px;line-height:1.6;color:var(--muted);}

/* ── Acto 8 · Invitación ──────────────────────────────────── */
.invite{padding:132px 0;text-align:center;background:var(--wash);}
.invite h2{font-size:clamp(32px,4.6vw,58px);letter-spacing:-.038em;max-width:16ch;margin:0 auto;}
.invite__body{
  margin:28px auto 0;max-width:52ch;
  font-family:var(--read);font-size:20px;line-height:1.6;color:var(--muted);
}
.invite__cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:42px;}
.invite__fine{margin-top:26px;font-family:var(--data);font-size:12px;color:var(--faint);}

/* ── Cierre ───────────────────────────────────────────────── */
.foot{border-top:1px solid var(--line);padding:52px 0 40px;background:var(--paper);}
.foot__inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:28px;align-items:flex-start;}
.foot__line{margin-top:14px;font-family:var(--read);font-size:16px;color:var(--muted);max-width:34ch;}
.foot__links{display:flex;flex-wrap:wrap;gap:22px;align-items:center;}
.foot__links a{font-size:15px;color:var(--muted);transition:color .25s var(--ease);}
.foot__links a:hover{color:var(--ink);}
.foot__legal{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-family:var(--data);font-size:11.5px;color:var(--faint);
}

/* ── Entradas ─────────────────────────────────────────────── */
.rise{
  opacity:0;transform:translateY(22px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
}
.rise.is-in{opacity:1;transform:none;}
[data-step="1"]{transition-delay:.07s;}
[data-step="2"]{transition-delay:.14s;}
[data-step="3"]{transition-delay:.21s;}
[data-step="4"]{transition-delay:.28s;}
[data-step="5"]{transition-delay:.35s;}

.reading .word{
  display:inline-block;
  opacity:0;transform:translateY(18px);filter:blur(9px);
  transition:opacity .85s var(--ease), transform .85s var(--ease), filter .85s var(--ease);
}
.reading.is-in .word{opacity:1;transform:none;filter:blur(0);}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width:1000px){
  .method{grid-template-columns:repeat(2,1fr);}
  .stage{border-bottom:1px solid var(--line);padding-bottom:30px;}
  .stage:nth-child(2n){border-right:0;}
  .voices{grid-template-columns:repeat(2,1fr);}
  .case{grid-template-columns:1fr;gap:30px;}
}

@media (max-width:760px){
  :root{--pad:22px;}
  body{font-size:16.5px;}
  .hero{padding:130px 0 74px;}
  .act,.invite{padding:82px 0;}
  .act__head{margin-bottom:44px;}
  .ledger{margin-top:64px;}
  .ledger__row{height:46px;gap:3px;}
  .checklist{grid-template-columns:1fr;}
  .creed__row{grid-template-columns:1fr;gap:8px;padding:30px 0;}
  .method{grid-template-columns:1fr;}
  .stage{border-right:0;padding:30px 0;}
  .voices{grid-template-columns:1fr;}
  .reasons{grid-template-columns:1fr;gap:0;}
  .case{padding:30px 26px;}
  .meter__row{grid-template-columns:64px 1fr;gap:10px;}
  .meter__num{grid-column:2;}
  .hero__cta .btn,.invite__cta .btn{width:100%;}
  .foot__inner{flex-direction:column;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .rise,.reading .word,.hour,.meter__ticks i,.tally{
    opacity:1 !important;transform:none !important;filter:none !important;
  }
  .bar.is-away{transform:none;}
}