:root {
  --paper: oklch(0.972 0.014 95);
  --paper-2: oklch(0.99 0.007 95);
  --ink: oklch(0.23 0.02 160);
  --ink-2: oklch(0.43 0.02 160);
  --rule: oklch(0.86 0.02 100);
  --green: oklch(0.38 0.08 158);
  --green-deep: oklch(0.3 0.065 158);
  --green-tint: oklch(0.935 0.03 150);
  --on-green: oklch(0.96 0.016 95);
  --on-green-2: oklch(0.85 0.03 140);
  --ochre: oklch(0.8 0.13 80);
  --ochre-hover: oklch(0.75 0.13 75);

  --display: "Archivo", "Arial Narrow", sans-serif;
  --body: "Atkinson Hyperlegible", system-ui, sans-serif;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --radius: 4px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.125rem/1.6 var(--body);
}

a { color: var(--green); text-underline-offset: 3px; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--display);
  font-stretch: 78%;
  font-weight: 780;
  letter-spacing: -0.01em;
  margin: 0;
}
h2 { font-size: clamp(1.9rem, 2.4vw + 1rem, 2.75rem); line-height: 1.05; margin-bottom: 20px; }
h3 { font-size: 1.375rem; line-height: 1.15; margin-bottom: 8px; }

.lead { max-width: 62ch; color: var(--ink-2); margin: 0 0 32px; }

/* Botones */
.button {
  display: inline-block;
  background: var(--green);
  color: var(--on-green);
  border: 0;
  border-radius: var(--radius);
  padding: 14px 22px;
  font: 700 1.0625rem/1.2 var(--body);
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), background-color 150ms ease;
}
.button:active { transform: scale(0.97); }
.button-ochre { background: var(--ochre); color: var(--ink); }
@media (hover: hover) and (pointer: fine) {
  .button:hover { background: var(--green-deep); }
  .button-ochre:hover { background: var(--ochre-hover); }
}
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--ochre); outline-offset: 3px; }

/* Cabecera y primera pantalla */
.hero { background: var(--green); color: var(--on-green); }
.top { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand {
  font-family: var(--display);
  font-stretch: 70%;
  font-weight: 800;
  font-size: 1.375rem;
  letter-spacing: 0.01em;
  color: inherit;
  text-decoration: none;
}
.top-link { color: var(--on-green); font-weight: 700; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 48px;
  padding-bottom: 88px;
}
.hero-copy h1 {
  font-size: clamp(2.6rem, 4.6vw + 1rem, 4.6rem);
  font-stretch: 72%;
  font-weight: 820;
  line-height: 1;
  margin-bottom: 24px;
  text-wrap: balance;
}
.hero-copy p { font-size: 1.25rem; color: var(--on-green-2); max-width: 46ch; margin: 0 0 32px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.hero-secondary { color: var(--on-green); font-weight: 700; }

/* Ficha de revisión */
.ficha {
  position: relative;
  background: var(--paper-2);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 24px 28px 64px;
  box-shadow: 0 2px 8px oklch(0.2 0.04 158 / 0.25);
}
.ficha-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--display);
  font-stretch: 75%;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}
.ficha-rows { list-style: none; margin: 0; padding: 0; }
.ficha-rows li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 1.0625rem;
  animation: fila 420ms var(--ease-out) both;
}
.ficha-rows li:nth-child(1) { animation-delay: 150ms; }
.ficha-rows li:nth-child(2) { animation-delay: 210ms; }
.ficha-rows li:nth-child(3) { animation-delay: 270ms; }
.ficha-rows li:nth-child(4) { animation-delay: 330ms; }
.ficha-rows b { color: var(--green); white-space: nowrap; }
.ficha-rows b::before { content: "✓ "; }

.sello {
  position: absolute;
  right: 20px;
  bottom: -70px;
  display: grid;
  place-items: center;
  width: 136px;
  height: 136px;
  border-radius: 50%;
  border: 4px double var(--green);
  color: var(--green);
  background: var(--paper-2);
  box-shadow: 0 2px 8px oklch(0.2 0.04 158 / 0.2);
  transform: rotate(-12deg);
  font-family: var(--display);
  font-stretch: 65%;
  font-weight: 900;
  text-transform: uppercase;
  text-align: center;
  line-height: 0.95;
  animation: sello 380ms var(--ease-out) 620ms both;
}
.sello span { font-size: 1.6rem; letter-spacing: 0.02em; margin-top: 18px; }
.sello small { font-size: 0.95rem; font-weight: 700; margin-bottom: 22px; }

@keyframes fila {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes sello {
  from { opacity: 0; transform: rotate(-12deg) scale(1.25); }
  to { opacity: 1; transform: rotate(-12deg) scale(1); }
}

/* Bloques */
.block { padding-top: 88px; padding-bottom: 24px; }

.registro { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); max-width: 900px; }
.registro li {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}
.registro time, .registro-fecha {
  font-family: var(--display);
  font-stretch: 72%;
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1.2;
  color: var(--green);
}
.registro p { margin: 0; max-width: 62ch; }

.pasos {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--ink);
}
.pasos li { padding: 24px 32px 8px 0; }
.pasos li + li { padding-left: 32px; border-left: 1px solid var(--rule); }
.paso-num {
  display: block;
  font-family: var(--display);
  font-stretch: 65%;
  font-weight: 900;
  font-size: 4rem;
  line-height: 1;
  color: var(--green);
  margin-bottom: 16px;
}
.pasos p { margin: 0; color: var(--ink-2); }

/* Tarifa */
.tarifa { margin: 0; max-width: 900px; border-top: 2px solid var(--ink); }
.tarifa > div {
  display: grid;
  grid-template-columns: auto 1fr auto;
  column-gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}
.tarifa dt { font-weight: 700; font-size: 1.1875rem; }
.tarifa > div::after {
  content: "";
  grid-column: 2;
  grid-row: 1;
  align-self: end;
  margin-bottom: 7px;
  border-bottom: 2px dotted var(--rule);
}
.tarifa .precio {
  grid-column: 3;
  grid-row: 1;
  margin: 0;
  font-family: var(--display);
  font-stretch: 75%;
  font-weight: 800;
  font-size: 1.375rem;
  white-space: nowrap;
}
.tarifa .detalle { grid-column: 1 / -1; margin: 4px 0 0; color: var(--ink-2); max-width: 62ch; }
.tarifa .tarifa-plan { background: var(--green-tint); padding-left: 16px; padding-right: 16px; margin: 0 -16px; }
.tarifa-plan .precio { color: var(--green); }
.nota { color: var(--ink-2); font-size: 1rem; margin: 16px 0 0; }

/* Preguntas */
.faq { max-width: 900px; border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  font-weight: 700;
  cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--green);
  transition: transform 200ms var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 20px; color: var(--ink-2); max-width: 62ch; }

/* Diagnóstico */
.diagnostico {
  margin-top: 88px;
  padding: 72px 0 96px;
  background: var(--green-tint);
  border-top: 1px solid var(--rule);
}
.hoja {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 28px;
  max-width: 900px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--green);
  border-radius: var(--radius);
  padding: 32px;
}
.campo { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.campo-ancho { grid-column: 1 / -1; }
.hoja label { font-weight: 700; font-size: 1rem; }
.hoja input[type=text], .hoja input[type=email], .hoja input[type=url], .hoja select, .hoja textarea {
  font: 1.0625rem/1.4 var(--body);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid oklch(0.75 0.02 120);
  border-radius: var(--radius);
  padding: 12px;
  min-height: 48px;
  width: 100%;
}
.hoja input:focus-visible, .hoja select:focus-visible, .hoja textarea:focus-visible { outline: 3px solid var(--green); outline-offset: 1px; }
.hoja .check { display: flex; gap: 12px; align-items: flex-start; font-weight: 400; }
.hoja .check input { width: 22px; height: 22px; margin-top: 2px; accent-color: var(--green); flex: none; }
.hp { position: absolute; left: -9999px; }

/* Pie */
.foot { background: var(--green-deep); color: var(--on-green); }
.foot-inner { display: flex; justify-content: space-between; align-items: center; padding-top: 28px; padding-bottom: 28px; }
.foot nav { display: flex; gap: 24px; }
.foot a { color: var(--on-green-2); }

/* Páginas legales y de gracias */
.page-top { background: var(--green); color: var(--on-green); }
.page { padding-top: 56px; padding-bottom: 80px; max-width: 760px; }
.page h1 { font-size: clamp(2.2rem, 3vw + 1rem, 3.2rem); line-height: 1.05; margin-bottom: 24px; }
.page h2 { font-size: 1.5rem; margin: 32px 0 8px; }
.page p { max-width: 62ch; }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; padding-top: 24px; padding-bottom: 72px; }
  .pasos { grid-template-columns: 1fr; }
  .pasos li, .pasos li + li { padding: 24px 0; border-left: 0; }
  .pasos li + li { border-top: 1px solid var(--rule); }
}

@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  body { font-size: 1.0625rem; }
  .top-link { font-size: 1rem; }
  .ficha { padding: 20px 18px 56px; }
  .ficha-head { font-size: 0.875rem; }
  .ficha-rows li { font-size: 1rem; }
  .sello { width: 112px; height: 112px; right: 8px; bottom: -60px; }
  .sello span { font-size: 1.3rem; margin-top: 14px; }
  .sello small { margin-bottom: 18px; }
  .block { padding-top: 64px; }
  .registro li { grid-template-columns: 1fr; gap: 4px; }
  .tarifa > div { grid-template-columns: 1fr auto; }
  .tarifa > div::after { display: none; }
  .tarifa .precio { grid-column: 2; }
  .hoja { grid-template-columns: minmax(0, 1fr); padding: 20px 16px; }
  .diagnostico { margin-top: 64px; padding: 56px 0 72px; }
  .foot-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .ficha-rows li { animation-name: aparecer; }
  .sello { animation-name: aparecer-sello; }
  .button:active { transform: none; }
}
@keyframes aparecer { from { opacity: 0; } to { opacity: 1; } }
@keyframes aparecer-sello { from { opacity: 0; } to { opacity: 1; } }