/* Citlallihg · estilos del sitio
   Tokens de marca en :root; modo oscuro automático con prefers-color-scheme.
   Contraste verificado WCAG AA en ambos modos. */
/* ============ Tokens ============ */
  :root{
    --bg:#FFFFFF;
    --surface:#DDE3EC;
    --hatch:#C2CBD8;
    --ink:#1E1A33;
    --muted:#4F4A63;
    --heading:#2D235E;
    --heading-soft:#4A4080;
    --brand:#2D235E;
    --on-brand:#FFFFFF;
    --accent:#E8234F;
    --accent-text:#BE123A;
    --rule:rgba(45,35,94,.24);
    --rule-strong:#2D235E;
    --foot-bg:#2D235E;
    --foot-ink:#FFFFFF;
    --foot-muted:#CFCAEB;
    --shadow:0 28px 56px -32px rgba(45,35,94,.6);
    --focus:#E8234F;
    --tab-on-bg:#BE123A;
    --tab-on-fg:#FFFFFF;
    --radius-lg:22px;
  }
  @media (prefers-color-scheme:dark){
    :root{
      --bg:#141029;
      --surface:#1D1838;
      --hatch:#332C5E;
      --ink:#ECE9F6;
      --muted:#B8B2D0;
      --heading:#DCD6FF;
      --heading-soft:#B9AFF0;
      --brand:#C9C1FA;
      --on-brand:#141029;
      --accent:#F0315B;
      --accent-text:#FF8FA7;
      --rule:rgba(220,214,255,.2);
      --rule-strong:#C9C1FA;
      --foot-bg:#0E0B1F;
      --foot-ink:#ECE9F6;
      --foot-muted:#B8B2D0;
      --shadow:0 28px 56px -32px rgba(0,0,0,.8);
      --focus:#FF8FA7;
      --tab-on-bg:#FF8FA7;
      --tab-on-fg:#141029;
    }
  }

  /* ============ Base ============ */
  *,*::before,*::after{box-sizing:border-box}
  *{margin:0;padding:0}
  html{-webkit-text-size-adjust:100%}
  body{
    font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:1.0625rem;line-height:1.6;color:var(--ink);background:var(--bg);
    -webkit-font-smoothing:antialiased;overflow-x:hidden;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit}
  ::selection{background:var(--accent);color:#fff}
  :focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
  .sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(16px,5vw,64px)}
  [id]{scroll-margin-top:24px}
  @media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

  .skip{
    position:absolute;left:16px;top:-80px;z-index:20;
    background:var(--brand);color:var(--on-brand);padding:12px 18px;border-radius:999px;font-weight:600;text-decoration:none;
  }
  .skip:focus{top:16px}

  /* ============ Header ============ */
  .site-header{position:absolute;top:0;left:0;right:0;z-index:2}
  .bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:clamp(16px,3.5vw,36px)}
  .wordmark{display:inline-flex;align-items:center;gap:12px;min-height:44px;text-decoration:none;color:var(--heading);font-weight:700;font-size:1.0625rem}
  .wordmark img{width:36px;height:36px}
  .nav{display:flex;align-items:center;gap:clamp(8px,2vw,28px)}
  .nav-links{display:flex;gap:4px;list-style:none}
  .nav-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;text-decoration:none;font-weight:500;color:var(--ink);border-radius:8px}
  .nav-links a:hover{color:var(--accent-text)}
  .lang{display:flex;border:1.5px solid var(--rule-strong);border-radius:999px;padding:3px;background:var(--bg)}
  .lang a{
    display:inline-flex;align-items:center;justify-content:center;
    font-size:.875rem;font-weight:600;color:var(--heading);text-decoration:none;
    border-radius:999px;min-width:44px;min-height:36px;padding:0 12px;
  }
  .lang a[aria-current="page"]{background:var(--brand);color:var(--on-brand)}
  .lang a:not([aria-current="page"]):hover{color:var(--accent-text)}

  /* ============ Hero ============ */
  .hero{position:relative;isolation:isolate;overflow:hidden;min-height:min(100svh,940px);display:flex;flex-direction:column}
  .shapes{position:absolute;inset:0;z-index:-1;pointer-events:none}
  .disc{
    --d:min(58vw,800px);
    position:absolute;width:var(--d);aspect-ratio:1;border-radius:50%;
    right:calc(var(--d) * -.34);top:54%;transform:translateY(-50%);
    background:var(--accent);
  }
  .disc .inner{position:absolute;inset:17%;border-radius:50%;background:var(--surface)}
  .disc .hatch{
    position:absolute;width:46%;aspect-ratio:1;border-radius:50%;left:6%;top:30%;
    background:repeating-linear-gradient(-28deg,var(--hatch) 0 6px,transparent 6px 18px);
  }
  .disc picture{display:contents}
  .disc .mark{position:absolute;width:15%;left:50%;top:50%;transform:translate(-50%,-50%);filter:drop-shadow(0 14px 28px rgba(20,16,41,.25))}
  .intro{flex:1;display:flex;align-items:center;padding:calc(clamp(16px,3.5vw,36px) + 44px + clamp(40px,8vh,100px)) 0 clamp(72px,12vh,140px)}
  main:focus{outline:none}
  .intro-inner{max-width:35rem}
  .status{display:inline-flex;align-items:center;gap:10px;font-size:.9375rem;font-weight:500;color:var(--muted);margin-bottom:22px}
  .status::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 22%,transparent)}
  h1{
    font-weight:800;font-size:clamp(3rem,7.6vw,6.25rem);line-height:.96;letter-spacing:-.048em;
    color:var(--heading);margin-bottom:18px;text-wrap:balance;
  }
  .tagline{font-weight:600;font-size:clamp(1.25rem,2vw,1.625rem);line-height:1.3;letter-spacing:-.015em;color:var(--heading-soft);max-width:30rem;margin-bottom:24px;text-wrap:balance}
  .lede{font-size:clamp(1.0625rem,1.5vw,1.25rem);line-height:1.55;max-width:31rem;margin-bottom:36px}
  .lede strong{font-weight:650}
  .lede p{margin:0}
  .actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;
    border-radius:999px;border:1.5px solid var(--rule-strong);font:inherit;font-weight:600;font-size:1rem;
    text-decoration:none;cursor:pointer;color:var(--heading);background:var(--bg);
    transition:background-color .2s,color .2s,border-color .2s;
  }
  .btn-primary{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
  .btn:hover{border-color:var(--accent-text);color:var(--accent-text);background:var(--bg)}
  .btn svg{width:18px;height:18px;flex:none}
  .also{margin-top:28px;font-size:.9375rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center}
  .also ul{display:flex;flex-wrap:wrap;gap:4px 14px;list-style:none}
  .also a{display:inline-flex;align-items:center;min-height:44px;font-weight:600;color:var(--heading);text-underline-offset:4px}
  .also a:hover{color:var(--accent-text)}

  /* ============ Cases ============ */
  .cases{background:var(--surface);padding:clamp(72px,10vw,136px) 0}
  .section-head{max-width:44rem;margin-bottom:clamp(44px,6vw,80px)}
  .section-head h2{font-weight:800;font-size:clamp(2rem,4vw,3.25rem);line-height:1.04;letter-spacing:-.035em;color:var(--heading);margin-bottom:16px}
  .section-head p{color:var(--muted);font-size:1.0625rem}
  .case + .case{margin-top:clamp(72px,9vw,120px)}
  .case figure{border-radius:var(--radius-lg);overflow:hidden;background:#2A2A2E;box-shadow:var(--shadow)}
  .case figure a{display:block;aspect-ratio:1400/619}
  .case figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
  .case figure a:hover img{transform:scale(1.02)}
  .case-body{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);margin-top:clamp(28px,3.5vw,44px)}
  .case-meta{font-size:.9375rem;font-weight:600;color:var(--accent-text);margin-bottom:12px}
  .case h3{font-weight:750;font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.12;letter-spacing:-.025em;color:var(--heading);text-wrap:balance;margin-bottom:16px}
  .case-tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none}
  .case-tags li{font-size:.875rem;font-weight:500;color:var(--ink);padding:5px 12px;border-radius:999px;border:1px solid var(--rule)}

  /* STAR tabs */
  .star{border-top:1.5px solid var(--rule-strong)}
  .tablist{display:none}
  .js .tablist{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--rule)}
  .tab{
    position:relative;display:flex;align-items:center;gap:10px;min-height:56px;padding:10px 6px 12px 0;
    font:inherit;font-size:.9375rem;font-weight:600;color:var(--muted);text-align:left;
    background:none;border:0;cursor:pointer;
  }
  .tab .k{
    display:inline-grid;place-items:center;flex:none;width:30px;height:30px;border-radius:50%;
    border:1.5px solid currentColor;font-size:.8125rem;font-weight:700;
  }
  .tab::after{content:"";position:absolute;left:0;right:8px;bottom:-1px;height:3px;border-radius:3px;background:transparent;transition:background-color .2s}
  .tab:hover{color:var(--heading)}
  .tab[aria-selected="true"]{color:var(--heading)}
  .tab[aria-selected="true"] .k{background:var(--tab-on-bg);border-color:var(--tab-on-bg);color:var(--tab-on-fg)}
  .tab[aria-selected="true"]::after{background:var(--tab-on-bg)}
  .tab.seen:not([aria-selected="true"]) .k{background:color-mix(in srgb,var(--accent) 14%,transparent)}
  .tab:focus-visible{outline-offset:-2px}

  .panels{display:grid}
  .panel{padding:22px 0 0}
  .no-js .panel + .panel{border-top:1px solid var(--rule);margin-top:18px}
  .js .panel{grid-area:1/1}
  .js .panel[data-hidden]{visibility:hidden}
  .js .panels:not(.ready) .panel + .panel{visibility:hidden}
  .panel-h{font-size:.9375rem;font-weight:700;color:var(--accent-text);margin-bottom:6px}
  .js .panel-h{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .panel p{max-width:38rem}
  .big{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:10px}
  .big b{font-weight:800;font-size:clamp(2.25rem,4vw,3rem);line-height:1;letter-spacing:-.04em;color:var(--heading)}
  .big span{font-weight:600;color:var(--ink)}
  .note{font-size:.9375rem;color:var(--muted);margin-top:10px}
  .panel-foot{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;margin-top:22px}
  .next{
    display:none;align-items:center;gap:8px;min-height:44px;padding:0 2px;
    font:inherit;font-weight:600;color:var(--heading);background:none;border:0;cursor:pointer;
    text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:5px;
  }
  .js .next{display:inline-flex}
  .next:hover,.more:hover{color:var(--accent-text)}
  .more{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:600;color:var(--heading);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:5px}
  .more svg,.next svg{width:16px;height:16px;flex:none}
  @media (prefers-reduced-motion:no-preference){
    .js .panel:not([data-hidden]){animation:panelIn .28s ease-out}
    @keyframes panelIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
  }

  /* ============ Contact ============ */
  .contact{background:var(--foot-bg);color:var(--foot-ink);padding:clamp(64px,9vw,112px) 0 40px}
  .contact h2{font-weight:800;font-size:clamp(2rem,4.4vw,3.5rem);line-height:1.04;letter-spacing:-.035em;max-width:16ch;margin-bottom:16px}
  .contact p{color:var(--foot-muted);max-width:36rem;margin-bottom:28px}
  .mail-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
  .mail{font-weight:700;font-size:clamp(1.25rem,2.4vw,1.75rem);letter-spacing:-.01em;color:var(--foot-ink);text-underline-offset:6px;text-decoration-thickness:2px;min-height:44px;display:inline-flex;align-items:center;word-break:break-all}
  .mail:hover{color:#FFB3C4}
  .copy-btn{
    display:none;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;
    font:inherit;font-weight:600;font-size:.9375rem;color:var(--foot-ink);background:transparent;
    border:1.5px solid color-mix(in srgb,var(--foot-ink) 55%,transparent);cursor:pointer;
  }
  .js .copy-btn{display:inline-flex}
  .copy-btn:hover{border-color:var(--foot-ink)}
  .copy-btn svg{width:16px;height:16px}
  .contact :focus-visible{outline-color:#FF8FA7}
  .foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center;margin-top:clamp(56px,8vw,96px);padding-top:24px;border-top:1px solid color-mix(in srgb,var(--foot-ink) 22%,transparent)}
  .foot-bottom ul{display:flex;flex-wrap:wrap;gap:4px 20px;list-style:none}
  .foot-bottom a{display:inline-flex;align-items:center;min-height:44px;color:var(--foot-muted);font-weight:500;text-decoration:none}
  .foot-bottom a:hover{color:var(--foot-ink);text-decoration:underline}
  .foot-bottom small{font-size:.875rem;color:var(--foot-muted)}

  .toast{
    position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);z-index:30;
    background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:999px;font-weight:600;font-size:.9375rem;
    opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100vw - 32px);text-align:center;
  }
  .toast.show{opacity:1;transform:translate(-50%,0)}

  /* ============ Responsive ============ */
  @media (max-width:900px){
    .case-body{grid-template-columns:1fr}
  }
  @media (max-width:960px){
    .nav-links{display:none}
    .hero{min-height:auto}
    .disc{--d:min(86vw,560px);right:calc(var(--d) * -.42);top:calc(var(--d) * -.46);transform:none}
    .disc .mark{display:none}
    .intro{align-items:flex-start;padding-top:calc(min(86vw,560px) * .54 + 24px)}
  }
  @media (max-width:560px){
    .js .tablist{grid-template-columns:repeat(4,auto);justify-content:space-between}
    .tab{padding-right:0}
    .tab .w{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
    .tab[aria-selected="true"] .w{position:static;width:auto;height:auto;clip:auto}
  }
  @media (prefers-reduced-motion:no-preference){
    .disc{animation:rise 1s cubic-bezier(.2,.7,.2,1) both}
    .disc .hatch{animation:fade .9s .35s ease-out both}
    .disc .mark{animation:fade .7s .55s ease-out both}
    @keyframes rise{from{opacity:0;scale:.92}to{opacity:1;scale:1}}
    @keyframes fade{from{opacity:0}to{opacity:1}}
  }
  @media (prefers-reduced-motion:reduce){.case figure img,.toast,.btn{transition:none}}
  @media print{
    .shapes,.lang,.skip,.copy-btn,.next,.toast{display:none!important}
    .js .tablist{display:none}.js .panel{grid-area:auto}.js .panel[data-hidden]{visibility:visible}
    .contact{background:none;color:#000}
  }

/* ============ 404 ============ */
.notfound{padding:calc(clamp(16px,3.5vw,36px) + 44px + clamp(56px,12vh,140px)) 0 clamp(72px,12vh,140px)}
.notfound h1{max-width:14ch}