/* Pizza Friday — hoja de estilo */
:root{
  --bg:#fff6ec; --paper:#fffdfa; --ink:#1a1210; --muted:#6f5c51;
  --ember:#e5431c; --yellow:#ffc63d; --basil:#2f7a4f; --night:#241a2b;
  --line:#e8d9c6; --tint:#fff0d6; --link:#c0360f;
  --r:14px; --hard:5px 5px 0 var(--ink); --hard-sm:3px 3px 0 var(--ink);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#17110f; --paper:#221a17; --ink:#f8ece0; --muted:#b8a496;
    --ember:#ff6a3d; --yellow:#ffc63d; --basil:#5bb882; --night:#120d16;
    --line:#3b2d26; --tint:#2e231c; --link:#ffb08a;
    --hard:5px 5px 0 #0c0806; --hard-sm:3px 3px 0 #0c0806;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:17px/1.65 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-text-size-adjust:100%}
a{color:var(--link);text-underline-offset:3px;text-decoration-thickness:2px}
a:hover{color:var(--ember)}
:focus-visible{outline:3px solid var(--ember);outline-offset:3px;border-radius:3px}
img,svg{max-width:100%}
.skip{position:absolute;left:-999px;top:0;background:var(--yellow);color:#1a1210;padding:.6rem 1rem;z-index:99;font-weight:700}
.skip:focus{left:8px;top:8px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.prose{max-width:70ch}

/* ---------- tipografía ---------- */
h1,h2,h3{line-height:1.08;letter-spacing:-.025em;font-weight:800;color:var(--ink)}
h1{font-size:clamp(2.1rem,6vw,3.5rem);margin:.1em 0 .35em}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin:2em 0 .5em}
h3{font-size:1.2rem;margin:1.5em 0 .4em;letter-spacing:-.015em}
p,ul,ol{margin:0 0 1.1em}
li{margin-bottom:.4em}
strong{font-weight:700}
.kicker{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;background:var(--yellow);color:#1a1210;
  padding:.3rem .65rem;border-radius:99px;margin:0 0 .4em;border:2px solid var(--ink)}
.lede{font-size:1.22rem;line-height:1.55;font-weight:500}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:1.8em}

/* ---------- cabecera ---------- */
header.site{background:var(--night);border-bottom:4px solid var(--yellow)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:12px 20px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;
  font-size:1.5rem;font-weight:800;letter-spacing:-.03em;color:#fff6ec}
.logo b{color:var(--yellow)}
.logo .slice{width:26px;height:26px;flex:none;transform:rotate(-8deg)}
.logo:hover .slice{transform:rotate(8deg) scale(1.08)}
.slice{transition:transform .18s ease}
nav.main{display:flex;flex-wrap:wrap;gap:4px 18px}
nav.main a{color:#f1e4d6;text-decoration:none;font-size:.95rem;font-weight:600;padding:3px 0;
  border-bottom:2px solid transparent}
nav.main a:hover{color:var(--yellow);border-bottom-color:var(--yellow)}
.crumbs{font-size:.86rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--muted)}
.crumbs span{opacity:.5;margin:0 .2em}

/* ---------- hero ---------- */
.hero{background:var(--yellow);color:#1a1210;padding:56px 0 60px;
  border-bottom:4px solid #1a1210;position:relative;overflow:hidden}
.hero .wrap{position:relative;z-index:1}
.hero h1{color:#1a1210;max-width:14ch;font-size:clamp(2.6rem,9vw,5rem);margin:.15em 0 .3em}
.hero h1 em{font-style:normal;color:var(--ember);text-shadow:3px 3px 0 #1a1210;
  display:inline-block;transform:rotate(-2deg)}
.hero p.sub{max-width:48ch;font-size:1.22rem;color:#2b1c12;font-weight:500}
.hero .eyebrow{display:inline-block;background:#1a1210;color:var(--yellow);font-weight:800;
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;padding:.4rem .8rem;border-radius:99px}
.hero .pie{position:absolute;right:-90px;top:-40px;width:360px;height:360px;opacity:.9;
  pointer-events:none}
@media (max-width:860px){.hero .pie{display:none}}

/* tira de la semana */
.week{display:flex;gap:7px;margin:28px 0 6px;flex-wrap:wrap;padding:0;list-style:none}
.week li{width:42px;height:48px;display:flex;align-items:center;justify-content:center;
  background:#fff6ec;border:2px solid #1a1210;border-radius:10px;font-weight:800;
  color:#8a7a6d;margin:0;font-size:1rem}
.week li.on{background:var(--ember);color:#fff;box-shadow:var(--hard-sm);transform:rotate(-3deg) scale(1.12)}
.week-note{font-size:.95rem;color:#3a2a1e;margin-top:14px;font-weight:600}

/* ---------- botones ---------- */
.btn{display:inline-block;background:var(--ember);color:#fff;text-decoration:none;
  padding:.8rem 1.4rem;border-radius:99px;font-weight:700;margin:12px 10px 0 0;
  border:2px solid var(--ink);box-shadow:var(--hard-sm);transition:transform .12s,box-shadow .12s}
.btn:hover{color:#fff;transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--ink)}
.btn.alt{background:var(--paper);color:var(--ink)}
.btn.alt:hover{color:var(--ink)}

/* ---------- secciones y tarjetas ---------- */
section.band{padding:52px 0}
section.band.paper{background:var(--paper);border-top:3px solid var(--ink);border-bottom:3px solid var(--ink)}
.sec-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.sec-head h2{margin:0}
.sec-head p{color:var(--muted);margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px;margin:28px 0 0}
.card{background:var(--paper);border:3px solid var(--ink);border-radius:var(--r);padding:20px;
  text-decoration:none;color:var(--ink);display:block;box-shadow:var(--hard);
  transition:transform .14s,box-shadow .14s}
.card:hover{color:var(--ink);transform:translate(-3px,-3px);box-shadow:8px 8px 0 var(--ink)}
.card h3{margin:.25em 0 .35em;font-size:1.18rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.ctag{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;background:var(--tint);border:2px solid var(--ink);
  padding:.18rem .5rem;border-radius:99px;color:var(--ink)}
.card.calc-card{background:var(--basil);color:#fff}
.card.calc-card h3,.card.calc-card p{color:#fff}
.card.calc-card .ctag{background:#fff;color:#1a1210}
.card.calc-card:hover{color:#fff}

/* pasos numerados */
.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:20px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.steps li{background:var(--paper);border:3px solid var(--ink);border-radius:var(--r);
  padding:22px 20px 20px;box-shadow:var(--hard);margin:0;position:relative}
.steps .n{position:absolute;top:-18px;left:18px;width:38px;height:38px;border-radius:50%;
  background:var(--ember);color:#fff;border:3px solid var(--ink);display:flex;
  align-items:center;justify-content:center;font-weight:800}
.steps h3{margin:.4em 0 .3em}
.steps p{margin:0;color:var(--muted);font-size:.96rem}
.steps .when{font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ember)}

/* ---------- bloques de texto ---------- */
.note{background:var(--tint);border:3px solid var(--ink);border-left-width:10px;
  border-radius:var(--r);padding:16px 20px;margin:1.8em 0;box-shadow:var(--hard-sm)}
.note.warn{border-left-color:var(--ember)}
.note p:last-child{margin:0}
.toc{background:var(--paper);border:3px solid var(--ink);border-radius:var(--r);
  padding:16px 22px;margin:1.8em 0;box-shadow:var(--hard-sm)}
.toc ol{margin:0;padding-left:1.2em}
.toc b{display:block;margin-bottom:.35em;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase}
.pick{background:var(--paper);border:3px solid var(--ink);border-radius:var(--r);
  padding:18px 22px;margin:1.5em 0;box-shadow:var(--hard-sm)}
.pick h3{margin-top:.2em}
.pick .tag{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  background:var(--ember);color:#fff;font-size:.95rem;font-weight:800;border-radius:50%;
  border:2px solid var(--ink)}
.rel{list-style:none;padding:0}
.rel li{margin-bottom:.5em}
.rel a{font-weight:600}
table{border-collapse:collapse;width:100%;margin:1.6em 0;font-size:.95rem;
  background:var(--paper);border:3px solid var(--ink);border-radius:var(--r);overflow:hidden}
th,td{border-bottom:2px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
th{background:var(--tint);font-weight:800;border-bottom:3px solid var(--ink)}
tr:last-child td{border-bottom:none}
.tw{overflow-x:auto}
.disc{font-size:.88rem;color:var(--muted);border-top:3px solid var(--line);
  margin-top:3em;padding-top:1.2em}
.sources{font-size:.92rem}

/* ---------- calculadora ---------- */
.calc{background:var(--paper);border:3px solid var(--ink);border-radius:var(--r);
  padding:22px;margin:1.8em 0;box-shadow:var(--hard)}
.calc .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.calc label{display:block;font-size:.8rem;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:5px}
.calc input,.calc select{width:100%;font:inherit;padding:.6rem .7rem;border:2px solid var(--ink);
  border-radius:10px;background:var(--bg);color:var(--ink)}
.calc output{display:block;margin-top:20px}
.res{width:100%;margin:0}

/* ---------- pie ---------- */
footer.site{background:var(--night);color:#d8c9bb;padding:44px 0 32px;margin-top:64px;
  font-size:.93rem;border-top:4px solid var(--yellow)}
footer.site a{color:#fff6ec}
footer.site a:hover{color:var(--yellow)}
footer.site strong{color:#fff6ec;display:flex;align-items:center;gap:8px;margin-bottom:.6em;
  font-size:1.05rem;letter-spacing:-.02em}
footer.site strong .slice{width:22px;height:22px}
footer.site .cols{display:flex;flex-wrap:wrap;gap:32px 64px}
footer.site .fbrand{max-width:30ch}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:.45em}
.fnote{margin-top:30px;padding-top:18px;border-top:1px solid #4a3a44;font-size:.85rem;color:#b5a497}

@media (max-width:600px){
  .hero{padding:40px 0 44px}
  nav.main{gap:4px 14px}
  .week li{width:38px;height:44px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}