/* gistshot.com — mismo sistema que la app (docs/diseno.md): Tinta + Resaltador. */

:root {
  color-scheme: light dark;
  --bg: #F7F7FB;
  --bg-2: #FFFFFF;
  --card: #FFFFFF;
  --label: #0B0B14;
  --label-2: rgba(40, 40, 60, .68);
  --label-3: rgba(40, 40, 60, .42);
  --sep: rgba(60, 60, 67, .14);
  --shadow: 0 1px 2px rgba(20, 16, 80, .05), 0 12px 40px rgba(20, 16, 80, .08);

  --tinta: #4A3AFF;
  --tinta-fill: #4A3AFF;
  --tinta-soft: #ECEAFF;
  --tinta-ink: #2E21C9;
  --marca: #FFD23F;
  --marca-soft: #FFF5CC;
  --marca-ink: #7A5600;
  --ok: #1F8A3B;

  --t-peli: #FF2D55;
  --t-libro: #FF9500;
  --t-video: #FF3B30;
  --t-musica: #5856D6;
  --t-compra: #007AFF;
  --t-lugar: #00C7BE;
  --t-receta: #A2845E;
  --t-repo: #34C759;
  --t-skill: #AF52DE;
  --t-idea: #00B8B0;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI Variable Text", "Segoe UI", system-ui, sans-serif;
  --font-d: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --font-r: ui-rounded, "SF Pro Rounded", var(--font-d);

  --ancho: 1120px;
  --gutter: 20px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #07070C;
    --bg-2: #0E0E16;
    --card: #15151F;
    --label: #F4F4FA;
    --label-2: rgba(235, 235, 245, .66);
    --label-3: rgba(235, 235, 245, .4);
    --sep: rgba(255, 255, 255, .1);
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 16px 50px rgba(0, 0, 0, .5);

    --tinta: #8C82FF;
    --tinta-fill: #5B4DFF;
    --tinta-soft: #24205C;
    --tinta-ink: #C4BEFF;
    --marca: #FFD60A;
    --marca-soft: #3A3000;
    --marca-ink: #FFE27A;
    --ok: #30D158;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font: 17px/1.55 var(--font);
  color: var(--label);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--tinta); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-d); letter-spacing: -.022em; line-height: 1.1; margin: 0; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--tinta); outline-offset: 3px; border-radius: 6px; }

.envoltura { max-width: var(--ancho); margin: 0 auto; padding: 0 var(--gutter); }
.salto { position: absolute; left: -9999px; }
.salto:focus { left: 16px; top: 16px; z-index: 10; background: var(--card); padding: 8px 12px; }

/* El resaltador: la marca de la casa */
.resaltado {
  background: linear-gradient(transparent 52%, var(--marca) 52%, var(--marca) 92%, transparent 92%);
  padding: 0 .08em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
@media (prefers-color-scheme: dark) {
  .resaltado { background: linear-gradient(transparent 56%, rgba(255, 214, 10, .55) 56%, rgba(255, 214, 10, .55) 92%, transparent 92%); }
}

/* Cabecera */
.cabecera {
  position: sticky; top: 0; z-index: 5;
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--sep);
}
.cabecera .envoltura { display: flex; align-items: center; gap: 16px; height: 60px; }
.logo { display: flex; align-items: center; gap: 10px; font: 700 19px/1 var(--font-d); letter-spacing: -.02em; color: var(--label); text-decoration: none; }
.logo img { width: 30px; height: 30px; border-radius: 7px; }
.cabecera nav { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 15px; }
.cabecera nav a { color: var(--label-2); text-decoration: none; }
.cabecera nav a:hover { color: var(--label); }
.cabecera nav a.boton, .cabecera nav a.boton:hover { color: #fff; }
.cabecera nav .idioma { border: 1px solid var(--sep); border-radius: 99px; padding: 4px 10px; font-size: 13px; font-weight: 600; }
@media (max-width: 640px) { .cabecera nav .opcional { display: none; } }

/* Botones */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 17px/1 var(--font); letter-spacing: -.01em;
  padding: 0 24px; height: 52px; border-radius: 99px; border: 0;
  background: var(--tinta-fill); color: #fff; text-decoration: none; cursor: pointer;
  transition: transform .15s ease, filter .15s ease;
}
.boton:hover { filter: brightness(1.08); }
.boton:active { transform: scale(.98); }
.boton.chico { height: 38px; padding: 0 16px; font-size: 15px; }

/* Héroe */
.heroe { padding: 72px 0 40px; position: relative; }
.heroe::before {
  content: ""; position: absolute; inset: -200px 0 auto; height: 700px; z-index: -1;
  background: radial-gradient(60% 50% at 70% 40%, color-mix(in srgb, var(--tinta) 18%, transparent), transparent 70%);
}
.heroe .envoltura { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.etiqueta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .01em;
  color: var(--tinta-ink); background: var(--tinta-soft);
  padding: 6px 12px; border-radius: 99px; margin-bottom: 22px;
}
.etiqueta i { width: 7px; height: 7px; border-radius: 50%; background: var(--tinta); }
.heroe h1 { font-size: clamp(44px, 6.4vw, 76px); font-weight: 800; letter-spacing: -.035em; line-height: 1.02; }
.heroe .bajada { font-size: clamp(18px, 2vw, 21px); color: var(--label-2); margin: 22px 0 32px; max-width: 34ch; }

.espera { display: flex; gap: 8px; max-width: 460px; flex-wrap: wrap; }
.espera input {
  flex: 1 1 220px; min-width: 0; height: 52px; padding: 0 20px;
  font: 17px var(--font); color: var(--label);
  background: var(--card); border: 1px solid var(--sep); border-radius: 99px;
  box-shadow: var(--shadow);
}
.espera input::placeholder { color: var(--label-3); }
.espera .boton { flex: 0 0 auto; }
.espera-nota { font-size: 14px; color: var(--label-3); margin-top: 12px; }
.espera-ok { font-size: 15px; color: var(--ok); font-weight: 600; margin-top: 12px; }

/* Teléfonos */
.telefono {
  border-radius: 46px; padding: 9px; background: #0B0B10;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .06) inset, 0 30px 80px rgba(30, 20, 120, .28), 0 8px 20px rgba(0, 0, 0, .18);
}
.telefono img { border-radius: 38px; width: 100%; }
.heroe .telefonos { position: relative; height: 640px; }
.heroe .telefonos .telefono { position: absolute; width: 290px; }
.heroe .telefonos .t1 { right: 150px; top: 0; z-index: 2; }
.heroe .telefonos .t2 { right: 0; top: 70px; transform: rotate(4deg); opacity: .96; }

@media (max-width: 900px) {
  .heroe { padding-top: 44px; }
  .heroe .envoltura { grid-template-columns: 1fr; }
  .heroe .telefonos { height: auto; display: flex; justify-content: center; }
  .heroe .telefonos .telefono { position: static; width: min(300px, 78vw); transform: none; }
  .heroe .telefonos .t2 { display: none; }
}

/* De la captura a la línea */
.antes-despues { padding: 40px 0 24px; }
.ad {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: center;
  background: var(--card); border-radius: 28px; padding: 28px; box-shadow: var(--shadow);
}
.ad .captura {
  aspect-ratio: 3 / 4; max-width: 190px; margin: 0 auto; width: 100%;
  border-radius: 18px; background: linear-gradient(160deg, #E9B872, #7A4A1E); position: relative; overflow: hidden;
  box-shadow: 0 0 0 1px var(--sep);
}
.ad .captura::before { content: ""; position: absolute; left: 50%; top: 22%; width: 34px; height: 44px; margin-left: -17px; border-radius: 50%; background: #FCE7B8; }
.ad .captura::after { content: ""; position: absolute; left: 14%; right: 14%; bottom: 22%; height: 14px; border-radius: 4px; background: rgba(255, 255, 255, .85); box-shadow: 0 22px 0 -3px rgba(255, 255, 255, .45); }
.ad .flecha { font: 600 15px var(--font); color: var(--label-3); text-align: center; }
.ad .flecha svg { width: 44px; height: 44px; color: var(--tinta); display: block; margin: 0 auto 6px; }
.ad .linea { display: grid; gap: 10px; }
.recordatorio {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg); border-radius: 14px; padding: 12px 14px;
}
.recordatorio .circulo { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--c, var(--tinta)); flex: none; }
.recordatorio b { font-weight: 600; display: block; line-height: 1.3; }
.recordatorio small { color: var(--label-2); font-size: 14px; }
.recordatorio.tenue { opacity: .45; }
.ad .borrada { font-size: 14px; color: var(--label-2); display: flex; gap: 8px; align-items: center; }
.ad .borrada svg { width: 18px; height: 18px; color: var(--ok); flex: none; }
@media (max-width: 720px) {
  .ad { grid-template-columns: 1fr; }
  .ad .flecha svg { transform: rotate(90deg); }
  .ad .captura { max-width: 140px; }
}

/* Secciones */
.seccion { padding: 88px 0; }
.seccion.alt { background: var(--bg-2); border-block: 1px solid var(--sep); }
.titulo-seccion { max-width: 720px; margin-bottom: 44px; }
.titulo-seccion .sobre { font-size: 14px; font-weight: 700; color: var(--tinta); letter-spacing: .02em; text-transform: uppercase; margin-bottom: 12px; }
.titulo-seccion h2 { font-size: clamp(32px, 4.4vw, 48px); font-weight: 800; letter-spacing: -.03em; }
.titulo-seccion p { color: var(--label-2); font-size: 19px; margin-top: 16px; }

/* Pasos */
.pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: paso; }
.paso { background: var(--card); border-radius: 24px; padding: 28px; box-shadow: var(--shadow); }
.paso .num {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  font: 700 19px var(--font-r); background: var(--tinta-soft); color: var(--tinta-ink); margin-bottom: 18px;
}
.paso h3 { font-size: 22px; margin-bottom: 8px; }
.paso p { color: var(--label-2); }
@media (max-width: 860px) { .pasos { grid-template-columns: 1fr; } }

/* Listas */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 99px; font-weight: 600; font-size: 16px;
  background: color-mix(in srgb, var(--c) 13%, var(--card)); color: color-mix(in srgb, var(--c) 78%, var(--label));
  border: 1px solid color-mix(in srgb, var(--c) 22%, transparent);
}
.chip::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.chip.revisar { --c: #C79A00; background: var(--marca-soft); color: var(--marca-ink); }
.chip.revisar::before { background: var(--marca); }

/* Promesa: dos columnas con teléfono */
.promesa { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.promesa .telefono { width: min(320px, 80vw); margin: 0 auto; }
.promesa ul { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.promesa li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; }
.promesa li svg { width: 28px; height: 28px; color: var(--tinta); }
.promesa li b { display: block; font-size: 18px; margin-bottom: 2px; }
.promesa li span { color: var(--label-2); }
.promesa.invertida { grid-template-columns: 1.1fr .9fr; }
.promesa.invertida > :first-child { order: 2; }
@media (max-width: 860px) {
  .promesa, .promesa.invertida { grid-template-columns: 1fr; gap: 40px; }
  .promesa.invertida > :first-child { order: 0; }
}

/* Contador grande */
.cifra { font: 800 clamp(56px, 9vw, 104px)/1 var(--font-r); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.cifra small { font-size: .4em; color: var(--label-2); font-weight: 700; margin-left: 6px; }

/* Privacidad */
.tarjetas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tarjeta { background: var(--card); border-radius: 24px; padding: 26px; box-shadow: var(--shadow); }
.tarjeta svg { width: 30px; height: 30px; color: var(--tinta); margin-bottom: 14px; }
.tarjeta h3 { font-size: 19px; margin-bottom: 6px; }
.tarjeta p { color: var(--label-2); font-size: 16px; }
@media (max-width: 860px) { .tarjetas { grid-template-columns: 1fr; } }

/* FAQ */
.faq { max-width: 780px; }
.faq details { border-bottom: 1px solid var(--sep); padding: 20px 0; }
.faq summary { cursor: pointer; font: 600 19px/1.35 var(--font-d); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--tinta); font-weight: 400; font-size: 26px; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--label-2); margin-top: 12px; max-width: 64ch; }

/* Cierre */
.cierre { text-align: center; padding: 104px 0; }
.cierre img.icono { width: 96px; height: 96px; border-radius: 22px; margin: 0 auto 28px; box-shadow: 0 20px 50px rgba(74, 58, 255, .35); }
.cierre h2 { font-size: clamp(36px, 5vw, 56px); font-weight: 800; letter-spacing: -.035em; }
.cierre p { color: var(--label-2); font-size: 19px; margin: 16px auto 32px; max-width: 40ch; }
.cierre .espera { margin: 0 auto; justify-content: center; }

/* Pie */
.pie { border-top: 1px solid var(--sep); padding: 36px 0 48px; font-size: 14px; color: var(--label-3); }
.pie .envoltura { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; }
.pie nav { display: flex; gap: 20px; margin-left: auto; flex-wrap: wrap; }
.pie a { color: var(--label-2); text-decoration: none; }
.pie a:hover { color: var(--label); }

/* Páginas legales */
.legal { max-width: 720px; padding: 64px var(--gutter) 96px; margin: 0 auto; }
.legal h1 { font-size: clamp(36px, 5vw, 48px); font-weight: 800; margin-bottom: 8px; }
.legal .fecha { color: var(--label-3); font-size: 15px; margin-bottom: 40px; }
.legal h2 { font-size: 24px; margin: 40px 0 12px; }
.legal p, .legal li { color: var(--label-2); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 22px; }
.legal li + li { margin-top: 8px; }
.legal .resumen { background: var(--marca-soft); color: var(--marca-ink); border-radius: 18px; padding: 20px 22px; }
.legal .resumen p, .legal .resumen li { color: var(--marca-ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .boton { transition: none; }
}