/* PREVIA — hoja de estilo para páginas estáticas de marketing/SEO.
   Marca v6 "apothecary editorial": cream + verde bosque + acento terracota.
   Sin JS. Reutilizable por como-funciona.html, precios.html, preguntas-frecuentes.html. */
:root{
  --cream:#F6F2E9; --paper:#FCFAF4; --ink:#15311F; --green:#1C5638;
  --green-deep:#0E2A1B; --orange:#EB652C; --sage:#6E8B79; --muted:#56684E;
  --line:rgba(21,49,31,.14); --shadow:0 1px 2px rgba(14,42,27,.05),0 8px 30px rgba(14,42,27,.06);
  --serif:"Inria Serif",Georgia,serif; --sans:"Inter",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
  --wrap:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2.2rem,5.5vw,3.6rem);margin:.2em 0 .35em}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem);margin:1.6em 0 .5em}
h3{font-size:1.2rem;margin:1.4em 0 .35em}
p{margin:0 0 1em;color:var(--muted)}
.lead{font-size:1.2rem;color:var(--ink);max-width:62ch}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);font-weight:600}
em,.accent{color:var(--orange);font-style:normal}

/* header */
.nav{position:sticky;top:0;z-index:20;background:rgba(246,242,233,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:24px;height:66px}
.nav__logo{height:30px;width:auto;display:block}
.nav__links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav__links a{color:var(--ink);font-size:.95rem}
.nav__links a:hover{color:var(--orange);text-decoration:none}
.btn{display:inline-block;font-family:var(--sans);font-weight:600;font-size:.95rem;padding:11px 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:#d8551f;text-decoration:none}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);text-decoration:none}
.btn--lg{padding:14px 28px;font-size:1.02rem}

/* sections */
.hero{padding:72px 0 40px}
.hero .eyebrow{display:inline-block;margin-bottom:14px}
section{padding:26px 0}
.section-sep{border:0;border-top:1px solid var(--line);margin:34px 0}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.step__n{font-family:var(--mono);font-size:.8rem;color:var(--orange);font-weight:600}
.pill{display:inline-block;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--sage);border:1px solid var(--line);border-radius:999px;padding:3px 10px;margin-top:8px}
ul.checks{list-style:none;padding:0;margin:.5em 0}
ul.checks li{position:relative;padding:6px 0 6px 26px;color:var(--ink)}
ul.checks li::before{content:"";position:absolute;left:0;top:13px;width:9px;height:9px;border-radius:50%;background:var(--orange)}

/* price */
.price{display:flex;align-items:baseline;gap:6px;margin:6px 0 4px}
.price__amt{font-family:var(--serif);font-size:3rem;color:var(--ink);line-height:1}
.price__cur{font-family:var(--mono);font-size:1rem;color:var(--sage)}
.price__cycle{color:var(--muted);font-size:.95rem}
.price-card{text-align:left}
.price-card.featured{border-color:var(--orange);box-shadow:0 10px 40px rgba(235,101,44,.14)}

/* faq */
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:4px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:1.15rem;padding:16px 0;list-style:none;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--orange);font-family:var(--mono)}
.faq details[open] summary::after{content:"–"}
.faq details > p{padding-bottom:16px;margin:0}

/* footer */
.foot{background:var(--green-deep);color:#cfe0d4;margin-top:60px;padding:54px 0 30px}
.foot a{color:#cfe0d4}
.foot a:hover{color:#fff}
.foot__top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot__logo{height:30px;margin-bottom:14px}
.foot__tag{color:#9fb6a6;font-size:.95rem;max-width:32ch}
.foot h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#7f9a88;margin:0 0 12px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:8px 0;font-size:.95rem}
.foot__bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;color:#7f9a88;font-size:.85rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

@media(max-width:820px){
  .nav__links a:not(.btn){display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .foot__top{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){.foot__top{grid-template-columns:1fr}}