/* SMH Estudio — sistema de marca para páginas internas (CSS estático, sin dependencias) */
:root {
  --papel: #f8f9fb;
  --blanco: #ffffff;
  --tinta: #111111;
  --grafito: #444748;
  --outline: #747878;
  --niebla: #c4c7c7;
  --borde: rgba(0, 0, 0, 0.08);
  --suave: #f3f4f6;
  --violeta: #7c3aed;
  --violeta-osc: #5b21b6;
  --violeta-luz: #a78bfa;
  --violeta-fill: rgba(124, 58, 237, 0.07);
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--papel);
  color: var(--grafito);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { font-family: 'Archivo', 'Inter', sans-serif; color: var(--tinta); text-wrap: balance; margin: 0; }
h1 { font-size: clamp(34px, 6vw, 56px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.06; }
h2 { font-size: clamp(24px, 4vw, 36px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
h3 { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; }
h4 { font-size: 16px; font-weight: 700; }
p { margin: 0 0 14px; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 7px; }
a { color: var(--violeta); text-decoration: none; }
a:hover { color: var(--violeta-osc); text-decoration: underline; }
strong { color: var(--tinta); font-weight: 600; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--violeta); outline-offset: 3px; border-radius: 4px; }

/* ---- Cabecera flotante ---- */
.nav-shell { position: fixed; top: 12px; left: 0; right: 0; z-index: 50; padding: 0 20px; pointer-events: none; }
@media (min-width: 768px) { .nav-shell { top: 24px; padding: 0 40px; } }
#main-nav {
  max-width: 1280px; margin: 0 auto; pointer-events: auto;
  background: transparent; border: 1px solid transparent; border-radius: 16px; box-shadow: none;
  transition: background-color .5s cubic-bezier(.16,1,.3,1), border-color .5s cubic-bezier(.16,1,.3,1),
              box-shadow .5s cubic-bezier(.16,1,.3,1), max-width .6s cubic-bezier(.16,1,.3,1);
}
#main-nav.nav-scrolled {
  background: rgba(255,255,255,.72);
  backdrop-filter: blur(20px) saturate(1.6); -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-color: rgba(0,0,0,.06);
  box-shadow: 0 8px 32px 0 rgba(17,17,17,.08), inset 0 1px 0 rgba(255,255,255,.7);
}
@media (min-width: 768px) { #main-nav.nav-scrolled { max-width: 960px; } }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; padding: 0 24px; transition: height .5s cubic-bezier(.16,1,.3,1); }
@media (min-width: 768px) { .nav-inner { height: 80px; padding: 0 32px; } #main-nav.nav-scrolled .nav-inner { height: 64px; } }
.logo { font-family: 'Archivo', sans-serif; font-size: 22px; letter-spacing: -0.045em; color: var(--tinta); line-height: 1; }
.logo:hover { text-decoration: none; color: var(--tinta); }
.logo b { font-weight: 800; }
.logo .med { font-weight: 500; color: var(--grafito); }
.logo .dot { font-weight: 800; color: var(--violeta); }
.nav-links { display: none; align-items: center; gap: 30px; }
@media (min-width: 900px) { .nav-links { display: flex; } }
.nav-links a { font-family: 'Archivo', sans-serif; font-size: 14px; font-weight: 500; letter-spacing: .03em; color: var(--grafito); }
.nav-links a:hover { color: var(--tinta); text-decoration: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: 'Archivo', sans-serif; font-size: 14px; font-weight: 500; letter-spacing: .03em; padding: 13px 26px; border-radius: 999px; transition: all .3s; border: 1px solid transparent; cursor: pointer; }
.btn-dark { background: var(--tinta); color: var(--papel); }
.btn-dark:hover { background: var(--violeta); color: #fff; text-decoration: none; }
.btn-ghost { background: var(--blanco); color: var(--tinta); border-color: var(--borde); }
.btn-ghost:hover { border-color: rgba(0,0,0,.25); text-decoration: none; color: var(--tinta); }

/* ---- Estructura ---- */
main { padding-top: 96px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .wrap { padding: 0 32px; } }
section { padding: 56px 0; }
@media (min-width: 768px) { section { padding: 88px 0; } }
.hero { padding: 40px 0 56px; }
@media (min-width: 768px) { .hero { padding: 64px 0 88px; } }
.eyebrow { font-family: 'Archivo', sans-serif; font-size: 11px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--violeta); margin: 0 0 14px; }
.lede { font-size: 18px; line-height: 1.65; max-width: 62ch; color: var(--grafito); }
.seam { height: 2px; width: 100%; background: linear-gradient(90deg, transparent 0%, rgba(124,58,237,.35) 20%, #7c3aed 50%, rgba(124,58,237,.35) 80%, transparent 100%); }
.alt { background: var(--suave); }
.dark { background: var(--tinta); color: rgba(255,255,255,.72); }
.dark h2, .dark h3 { color: #fff; }
.crumbs { font-size: 13px; color: var(--outline); margin-bottom: 20px; }
.crumbs a { color: var(--outline); }
.crumbs a:hover { color: var(--violeta); }

/* ---- Componentes ---- */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--blanco); border: 1px solid var(--borde); border-radius: 16px; padding: 26px 28px; }
.card h3 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card-violet { background: var(--violeta-fill); border-color: rgba(124,58,237,.2); }
.paso { border-left: 2px solid rgba(124,58,237,.25); padding: 4px 0 4px 20px; }
.paso .num { font-family: 'Archivo', sans-serif; font-size: 13px; font-weight: 700; color: var(--violeta); display: block; margin-bottom: 4px; }
.pasos { display: flex; flex-direction: column; gap: 24px; }
.precio { background: var(--blanco); border: 1px solid var(--borde); border-radius: 16px; padding: 28px; display: flex; flex-direction: column; }
.precio.destacado { border-color: var(--violeta); box-shadow: 0 12px 36px rgba(124,58,237,.1); }
.precio .desde { font-size: 12px; color: var(--outline); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }
.precio .cifra { font-family: 'Archivo', sans-serif; font-size: 34px; font-weight: 800; color: var(--tinta); letter-spacing: -0.02em; line-height: 1.1; margin: 4px 0 12px; }
.precio ul { padding-left: 18px; font-size: 14.5px; margin-bottom: 20px; }
.precio .btn { margin-top: auto; }
.faq details { border-bottom: 1px solid var(--borde); padding: 18px 0; }
.faq summary { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::marker { content: ""; }
.faq summary h3 { font-size: 17px; }
.faq summary .sign { color: var(--violeta); font-size: 22px; line-height: 1; transition: transform .3s; flex-shrink: 0; }
.faq details[open] summary .sign { transform: rotate(45deg); }
.faq details p { margin: 12px 0 0; max-width: 70ch; }
.cta-band { background: linear-gradient(90deg, #7c3aed 0%, #6d28d9 50%, #5b21b6 100%); color: #fff; }
.cta-band .wrap { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; padding-top: 32px; padding-bottom: 32px; }
@media (min-width: 700px) { .cta-band .wrap { flex-direction: row; align-items: center; justify-content: space-between; } }
.cta-band p { font-family: 'Archivo', sans-serif; font-size: 20px; font-weight: 600; color: #fff; margin: 0; letter-spacing: -0.01em; }
.cta-band .btn { background: #fff; color: var(--violeta-osc); }
.cta-band .btn:hover { background: var(--papel); }
.dato-falta { background: var(--violeta-fill); border: 1px dashed rgba(124,58,237,.5); border-radius: 6px; padding: 0 7px; color: var(--violeta-osc); font-weight: 600; }

/* ---- Pie ---- */
footer.site { background: var(--tinta); color: rgba(255,255,255,.72); padding: 52px 0 40px; }
footer.site .cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; padding-top: 36px; }
@media (min-width: 768px) { footer.site .cols { grid-template-columns: repeat(4, 1fr); } }
footer.site .top { display: flex; flex-direction: column; gap: 20px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); }
@media (min-width: 768px) { footer.site .top { flex-direction: row; align-items: flex-end; justify-content: space-between; } }
footer.site .logo { color: #fff; font-size: 26px; }
footer.site .logo .med { color: rgba(255,255,255,.6); }
footer.site .claim { font-family: 'Archivo', sans-serif; font-size: 17px; color: rgba(255,255,255,.7); margin: 10px 0 0; font-weight: 500; max-width: 30ch; }
footer.site .mail { font-family: 'Archivo', sans-serif; font-size: 20px; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
footer.site .mail:hover { color: var(--violeta-luz); text-decoration: none; }
footer.site h4 { font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 14px; font-family: 'Archivo', sans-serif; }
footer.site ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
footer.site ul a { font-size: 14px; color: rgba(255,255,255,.7); }
footer.site ul a:hover { color: var(--violeta-luz); text-decoration: none; }
footer.site .apagado { font-size: 14px; color: rgba(255,255,255,.35); }