/* ═══════════════════════════════════════════════════════════════
   Mihanovich Software Studio
   Premium y sobrio, sin efectos que estorben. Todo el peso está en
   la tipografía y el espacio, no en animaciones: carga rápido y
   Google lo premia.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --tinta: #14181c;
  --tinta-suave: #5b6570;
  --papel: #f7f5f1;
  --papel-puro: #fffefc;
  --linea: #e2ded6;
  --acero: #1d4e6f;
  --acero-claro: #2f6d95;
  --ambar: #d97a1f;
  --verde: #1f6f54;

  --ancho: 1120px;
  --radio: 14px;
  --sombra: 0 1px 2px rgba(20,24,28,.04), 0 8px 28px rgba(20,24,28,.06);

  --display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --texto: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--texto);
  color: var(--tinta);
  background: var(--papel);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.caja { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }
.caja-angosta { max-width: 760px; }

.saltar {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--tinta); color: #fff; padding: 12px 20px; border-radius: 0 0 8px 0;
}
.saltar:focus { left: 0; }

/* ─── Tipografía ─────────────────────────────────────────── */
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.028em; line-height: 1.08; }
h1 { font-size: clamp(2.6rem, 6.5vw, 4.4rem); }
h1 em { font-style: normal; color: var(--acero); }
h2 { font-size: clamp(1.85rem, 3.6vw, 2.7rem); margin-bottom: 14px; }
h3 { font-size: 1.16rem; letter-spacing: -.015em; }

.antetitulo {
  font-family: var(--display); font-weight: 500; font-size: .82rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-suave);
  margin-bottom: 20px;
}
.etiqueta {
  font-family: var(--display); font-weight: 700; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--acero);
  margin-bottom: 14px;
}
.intro { font-size: 1.12rem; color: var(--tinta-suave); max-width: 62ch; margin-bottom: 44px; }
.remate { margin-top: 40px; font-size: 1.08rem; max-width: 60ch; }
.remate em { font-style: normal; color: var(--acero); font-weight: 600; }

/* ─── Botones ────────────────────────────────────────────── */
.btn {
  display: inline-block; font-family: var(--display); font-weight: 500;
  font-size: .95rem; text-decoration: none; padding: 11px 22px;
  border-radius: 999px; border: 1.5px solid transparent;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-grande { padding: 15px 32px; font-size: 1.02rem; }
.btn-wa { background: var(--verde); color: #fff; }
.btn-wa:hover { background: #195a45; }
.btn-linea { border-color: var(--linea); background: var(--papel-puro); color: var(--tinta); }
.btn-linea:hover { border-color: var(--tinta); }

/* ─── Cabecera ───────────────────────────────────────────── */
.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,245,241,.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.cabecera.pegada { border-bottom-color: var(--linea); }
.franja {
  max-width: var(--ancho); margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; gap: 28px;
}
/* La marca: el monograma y el nombre en dos renglones, espaciado — igual que el
   logo original. Las mayúsculas y el tracking los pone el CSS, así en el HTML
   el nombre queda escrito normal y Google lo lee bien. */
.marca { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.marca img { width: 38px; height: 38px; }
.marca-txt { display: grid; gap: 4px; font-family: var(--display); line-height: 1; }
.marca-txt b { font-weight: 500; font-size: 1.06rem; letter-spacing: .19em; text-transform: uppercase; }
.marca-txt i {
  font-style: normal; font-weight: 400; font-size: .58rem; letter-spacing: .32em;
  text-transform: uppercase; color: var(--tinta-suave);
}
@media (max-width: 420px) {
  .marca img { width: 32px; height: 32px; }
  .marca-txt b { font-size: .92rem; letter-spacing: .13em; }
  .marca-txt i { letter-spacing: .22em; }
}

.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a {
  text-decoration: none; font-size: .93rem; color: var(--tinta-suave);
  padding: 4px 0; border-bottom: 1.5px solid transparent; transition: color .15s, border-color .15s;
}
.nav a:hover { color: var(--tinta); border-bottom-color: var(--acero); }

.hamburguesa {
  display: none; margin-left: auto; background: none; border: 0;
  width: 42px; height: 42px; cursor: pointer; padding: 10px;
}
.hamburguesa span {
  display: block; height: 2px; background: var(--tinta); border-radius: 2px;
  margin: 4px 0; transition: transform .22s, opacity .22s;
}
.hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-movil { display: none; flex-direction: column; gap: 4px; padding: 8px 24px 22px; border-top: 1px solid var(--linea); }
.nav-movil a { text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--linea); }
.nav-movil .btn { margin-top: 14px; text-align: center; border-bottom: 0; }
.nav-movil.abierto { display: flex; }

/* ─── Portada ────────────────────────────────────────────── */
.portada { position: relative; padding: 96px 0 104px; overflow: hidden; }
.trama {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: .5; pointer-events: none;
}
.portada-txt { position: relative; }
.bajada { font-size: 1.24rem; color: var(--tinta-suave); max-width: 58ch; margin: 26px 0 38px; }
.bajada strong { color: var(--tinta); font-weight: 600; }
.acciones { display: flex; gap: 14px; flex-wrap: wrap; }
.prueba {
  margin-top: 34px; font-size: .9rem; color: var(--tinta-suave);
  padding-left: 16px; border-left: 2px solid var(--acero);
}

/* ─── Secciones ──────────────────────────────────────────── */
.seccion { padding: 92px 0; }
.seccion-clara { background: var(--papel-puro); border-block: 1px solid var(--linea); }
.seccion-oscura { background: var(--tinta); color: #e9ebee; }
.seccion-oscura h2 { color: #fff; }
.seccion-oscura .etiqueta { color: #79b4d6; }
.seccion-oscura .intro { color: #a8b2bc; }

/* ─── Dolores ────────────────────────────────────────────── */
.dolores { list-style: none; display: grid; gap: 2px; background: var(--linea); border-radius: var(--radio); overflow: hidden; }
.dolores li { background: var(--papel-puro); padding: 24px 26px; }
.dolores b { display: block; font-family: var(--display); font-size: 1.05rem; margin-bottom: 6px; }
.dolores span { color: var(--tinta-suave); font-size: .97rem; }
@media (min-width: 760px) { .dolores { grid-template-columns: 1fr 1fr; } }

/* ─── Grilla de soluciones ───────────────────────────────── */
.grilla { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.tarjeta {
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.11);
  border-radius: var(--radio); padding: 26px 24px; transition: border-color .18s, transform .18s;
}
.tarjeta:hover { border-color: rgba(121,180,214,.5); transform: translateY(-2px); }
.tarjeta h3 { color: #fff; margin-bottom: 10px; }
.tarjeta p { color: #a8b2bc; font-size: .97rem; }
.tarjeta .para {
  margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.1);
  font-size: .84rem; color: #79b4d6;
}

.extra {
  margin-top: 44px; padding: 26px 28px; border-radius: var(--radio);
  border: 1px dashed rgba(255,255,255,.2);
}
.extra h3 { color: #fff; margin-bottom: 8px; }
.extra p { color: #a8b2bc; max-width: 68ch; }
.extra a { color: #79b4d6; }

/* ─── Casos ──────────────────────────────────────────────── */
.casos { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.caso {
  background: var(--papel-puro); border: 1px solid var(--linea);
  border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra);
  transition: transform .2s ease, box-shadow .2s ease;
}
.caso:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(20,24,28,.05), 0 16px 40px rgba(20,24,28,.1); }
.caso img { aspect-ratio: 10/7; object-fit: cover; background: #eceae5; }
.caso-txt { padding: 22px 24px 26px; }
.rubro { font-family: var(--display); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--acero); margin-bottom: 8px; }
.caso-txt h3 { margin-bottom: 8px; }
.caso-txt p { color: var(--tinta-suave); font-size: .97rem; }
.enlace { color: var(--acero); font-weight: 600; text-decoration: none; }
.enlace:hover { text-decoration: underline; }

/* La única app que ya está en la tienda: que se note y que se pueda bajar de acá */
.rubro-play { color: var(--verde); }
.btn-play {
  display: inline-flex; align-items: center; gap: 9px; margin-top: 14px;
  background: var(--tinta); color: #fff; text-decoration: none;
  font-family: var(--display); font-weight: 500; font-size: .92rem;
  padding: 11px 18px; border-radius: 999px;
  transition: background .2s ease, transform .2s ease;
}
.btn-play:hover { background: #23303a; transform: translateY(-1px); }
.btn-play svg { flex: none; }

/* ─── Pasos ──────────────────────────────────────────────── */
.pasos { list-style: none; counter-reset: paso; display: grid; gap: 22px; }
.pasos li { counter-increment: paso; padding-left: 60px; position: relative; }
.pasos li::before {
  content: counter(paso); position: absolute; left: 0; top: -2px;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--acero); color: #fff;
  font-family: var(--display); font-weight: 700; font-size: 1rem;
  display: grid; place-items: center;
}
.pasos b { display: block; font-family: var(--display); font-size: 1.1rem; margin-bottom: 4px; }
.pasos span { color: var(--tinta-suave); }
@media (min-width: 860px) { .pasos { grid-template-columns: 1fr 1fr; gap: 34px 44px; } }

/* ─── Preguntas ──────────────────────────────────────────── */
details {
  border-bottom: 1px solid var(--linea); padding: 4px 0;
}
details summary {
  cursor: pointer; list-style: none; padding: 18px 34px 18px 0; position: relative;
  font-family: var(--display); font-weight: 500; font-size: 1.05rem;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--acero); font-weight: 400; line-height: 1;
}
details[open] summary::after { content: "−"; }
details p { padding: 0 20px 20px 0; color: var(--tinta-suave); }

/* ─── Cierre ─────────────────────────────────────────────── */
.cierre { background: var(--tinta); color: #e9ebee; padding: 92px 0; text-align: center; }
.cierre h2 { color: #fff; margin-bottom: 16px; }
.cierre p { color: #a8b2bc; max-width: 52ch; margin: 0 auto 32px; }
.cierre .alt { margin: 22px auto 0; font-size: .92rem; }
.cierre .alt a { color: #79b4d6; }

/* ─── Formulario (plegado dentro del cierre) ─────────────── */
.formulario {
  margin-top: 46px; text-align: left; border: 0;
  border-top: 1px solid #262d34; padding-top: 6px;
}
.formulario > summary {
  color: #a8b2bc; font-size: .96rem; text-align: center; padding-right: 0;
}
.formulario > summary::after { position: static; margin-left: 10px; transform: none; color: #79b4d6; }
.formulario form { display: grid; gap: 18px; padding: 14px 0 30px; }
.formulario .campos { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.formulario label {
  display: grid; gap: 7px; font-size: .86rem; color: #a8b2bc;
  font-family: var(--display); font-weight: 500; letter-spacing: .01em;
}
.formulario input, .formulario select, .formulario textarea {
  font: inherit; font-family: var(--texto); font-size: 1rem; color: #f2f4f6;
  background: #1b2126; border: 1px solid #2c343b; border-radius: 10px;
  padding: 12px 14px; width: 100%;
}
.formulario textarea { resize: vertical; min-height: 104px; }
.formulario input:focus, .formulario select:focus, .formulario textarea:focus {
  outline: 2px solid var(--acero-claro); outline-offset: 1px; border-color: transparent;
}
.formulario button { justify-self: start; border: 0; cursor: pointer; }
.formulario .trampa { position: absolute; left: -9999px; }
@media (max-width: 640px) { .formulario .campos { grid-template-columns: 1fr; } }

/* ─── Pie ────────────────────────────────────────────────── */
.pie { background: #0f1215; color: #8f99a3; padding: 56px 0 24px; font-size: .93rem; }
.pie-grilla { display: grid; gap: 34px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.pie-marca { font-family: var(--display); color: #fff; margin-bottom: 14px; display: grid; gap: 5px; line-height: 1; }
.pie-marca b { font-weight: 500; font-size: 1.05rem; letter-spacing: .19em; text-transform: uppercase; }
.pie-marca i { font-style: normal; font-weight: 400; font-size: .6rem; letter-spacing: .32em; text-transform: uppercase; color: #8f99a3; }
.pie-tit { font-family: var(--display); color: #fff; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 12px; }
.pie-grilla a { display: block; text-decoration: none; padding: 4px 0; }
.pie-grilla a:hover { color: #fff; }
.pie-legal { margin-top: 44px; padding-top: 20px; border-top: 1px solid #22282e; font-size: .85rem; }

/* ─── Móvil ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav, .franja-cta { display: none; }
  .hamburguesa { display: block; }
  .portada { padding: 64px 0 76px; }
  .seccion, .cierre { padding: 68px 0; }
  body { font-size: 16px; }
}

/* ─── Aparición suave al hacer scroll ────────────────────── */
.aparece { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.aparece.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .aparece { opacity: 1; transform: none; transition: none; } }