/* ============================================
   El Espacio Interno — Landing de venta
   Editorial · Minimalismo cálido · Mobile-first
   Paleta: #F7F4ED papel / #23282B tinta / #C4805C arcilla
   Tipografía: Lora (display/serif) + DM Sans (UI)
   ============================================ */

:root {
  /* Paleta */
  --papel:        #F7F4ED;  /* fondo general */
  --tinta:        #23282B;  /* bloques de contraste */
  --arcilla:      #C4805C;  /* acento: botones, filetes, eyebrows */
  --arcilla-deep: #AD6C4A;  /* mismo acento, hover */

  --carbon:       #2F2F2D;  /* texto principal */
  --carbon-soft:  #6E6E6B;  /* texto secundario */
  --carbon-faint: #B0ADA6;

  --sobre-tinta:        #E4DED3;  /* cuerpo de texto sobre tinta */
  --sobre-tinta-fuerte: #F7F4ED;  /* énfasis y titulares sobre tinta */
  --sobre-tinta-suave:  #A6A099;  /* labels y secundario sobre tinta */
  --linea-clara:  rgba(247, 244, 237, 0.16);

  --line:         rgba(47, 47, 45, 0.10);
  --line-warm:    rgba(196, 128, 92, 0.30);
  --line-strong:  rgba(47, 47, 45, 0.18);

  /* Tipografía */
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans:  'DM Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;

  /* Layout */
  --w-narrow:  680px;
  --w-text:    680px;
  --w-wide:    1320px;

  /* Tipos: escala fluida */
  --fs-display: clamp(40px, 7.2vw, 78px);
  --fs-h2:      clamp(30px, 4.6vw, 44px);
  --fs-h3:      clamp(20px, 2.4vw, 24px);
  --fs-lead:    clamp(18px, 2.2vw, 22px);
  --fs-body:    17px;
  --fs-meta:    12px;

  /* Spacing */
  --gap-section: clamp(64px, 8vw, 104px);
  --gap-bloque:  clamp(80px, 11vw, 136px);
  --radius:     6px;
}

* { box-sizing: border-box; }
*::selection { background: var(--arcilla); color: #fff; }

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  background: var(--papel);
}

body {
  margin: 0;
  background: transparent;
  color: var(--carbon);
  font-family: var(--font-serif);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }

a {
  color: var(--carbon);
  text-decoration: underline;
  text-decoration-color: var(--arcilla);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: text-decoration-color .2s ease, color .2s ease;
}
a:hover { text-decoration-color: var(--carbon); }

/* Textura: malla de 300px que tesela sin costura, a opacidad muy baja. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.055;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.86' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 300px 300px;
  background-repeat: repeat;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  width: 100%;
  max-width: var(--w-text);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: var(--w-narrow); }
.container--wide   { max-width: var(--w-wide); }

.section { padding: var(--gap-section) 0; }
.section--guias,
.section--tinta { padding: var(--gap-bloque) 0; }

/* ============================================
   HEADER
   ============================================ */

.site-header {
  padding: 22px 0;
  position: relative;
  z-index: 5;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-mark {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 17px;
  color: var(--carbon);
  text-decoration: none;
  letter-spacing: 0.005em;
}
.brand-mark:hover { color: var(--arcilla); }

.header-meta {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--carbon-soft);
}

/* ============================================
   TIPOGRAFÍA COMÚN
   ============================================ */

.eyebrow,
.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--arcilla);
  margin: 0 0 22px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line-warm);
}

h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--fs-h2);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
  color: var(--carbon);
  text-wrap: balance;
  position: relative;
  padding-bottom: 20px;
}
/* Filete arcilla bajo los titulares de sección */
h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 44px;
  height: 2px;
  background: var(--arcilla);
}

p {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--fs-body);
  line-height: 1.65;
  margin: 0 0 18px;
  color: var(--carbon);
  max-width: 60ch;
}
p:last-child { margin-bottom: 0; }

em { font-style: italic; }
strong { font-weight: 600; color: var(--carbon); }

.section-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--carbon);
  max-width: 56ch;
  margin: 0;
  font-style: italic;
}

/* ============================================
   BOTONES
   ============================================ */

.cta { margin: 36px 0 0; }

.btn {
  display: inline-block;
  padding: 18px 30px;
  background: var(--arcilla);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s ease, transform .15s ease;
}
.btn:hover {
  background: var(--arcilla-deep);
  color: #fff;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible {
  outline: 2px solid var(--carbon);
  outline-offset: 3px;
}

.btn-note {
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--carbon-soft);
  margin: 14px 0 0;
  line-height: 1.5;
  max-width: none;
}

/* ============================================
   1 · HERO
   ============================================ */

.hero {
  position: relative;
  padding: clamp(48px, 7vw, 80px) 0 clamp(72px, 10vw, 120px);
  overflow: hidden;
  isolation: isolate;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

.hero .eyebrow { margin-bottom: 28px; }

.hero__figura {
  align-self: center;
  justify-self: center;
  width: 100%;
  max-width: 440px;
  opacity: 0.5;
  mix-blend-mode: multiply;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: var(--fs-display);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
  color: var(--carbon);
  text-wrap: balance;
}

.hero .lead {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--carbon);
  margin: 0;
  max-width: 34ch;
}

/* ============================================
   ILUSTRACIONES DE FONDO
   Línea oscura sobre transparente: solo en las secciones claras.
   ============================================ */

.deco {
  position: absolute;
  pointer-events: none;
  user-select: none;
  mix-blend-mode: multiply;
  z-index: 0;
}

.deco--fase {
  right: -6%;
  top: 50%;
  transform: translateY(-50%);
  height: clamp(120px, 22vw, 210px);
  width: auto;
  opacity: 0.13;
}

/* ============================================
   5 · LAS TRES FASES
   ============================================ */

.section--fases .container + .container { margin-top: 8px; }

.fases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.fase {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 36px 0;
  border-bottom: 1px solid var(--line-warm);
}

.fase__num,
.fase__body { position: relative; z-index: 1; }

.fase__num {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(52px, 8vw, 92px);
  line-height: 1;
  color: var(--arcilla);
  letter-spacing: -0.025em;
}

.fase__body { padding-top: 4px; }

.fase__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--carbon);
  line-height: 1.2;
}

.fase__body p {
  font-size: 16px;
  margin: 0 0 12px;
  line-height: 1.55;
  max-width: 52ch;
}

.fase__modulos {
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--carbon-soft);
  margin: 0;
}
.fase__modulos em { font-style: normal; }

/* ============================================
   2 · QUÉ VAS A SABER HACER
   El resultado, arriba del todo. Cinco filas, cifra y frase.
   ============================================ */

.section--logros .container + .container { margin-top: 4px; }

.logros {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.logro {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.logro__num {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.10em;
  color: var(--arcilla);
  font-variant-numeric: tabular-nums;
}

.logro__body h3 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 500;
  line-height: 1.26;
  letter-spacing: -0.012em;
  margin: 0 0 8px;
  color: var(--carbon);
  text-wrap: pretty;
}

.logro__body p {
  font-size: 16px;
  line-height: 1.55;
  color: var(--carbon-soft);
  margin: 0;
  max-width: 56ch;
}

/* ============================================
   6 · LAS 15 GUÍAS — el bloque que convierte
   ============================================ */

.section--guias {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--guias .container + .container { margin-top: 44px; }

.guias {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px 48px;
}

.guia-grupo__titulo {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--carbon-soft);
  margin: 0 0 4px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
}

.guia-lista {
  list-style: none;
  margin: 0;
  padding: 0;
}

.guia-lista li {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: baseline;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.guia__num {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--arcilla);
  font-variant-numeric: tabular-nums;
}

.guia__texto {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.34;
  letter-spacing: -0.008em;
  color: var(--carbon);
  text-wrap: pretty;
}

/* ============================================
   7 · DE DÓNDE SALE — el linaje
   ============================================ */

.linaje {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  max-width: 60ch;
}

.linaje li {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--carbon-soft);
}
.linaje strong { color: var(--carbon); }
.linaje__sep { color: var(--arcilla); padding: 0 4px; }

/* ============================================
   9 · QUÉ LLEVAS — inventario
   ============================================ */

.inventario {
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  max-width: 60ch;
}

.inventario__fila {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.inventario dt {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--carbon);
}

.inventario dd {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--carbon-soft);
}

/* ============================================
   BLOQUES DE TINTA
   Dos en toda la página. La arcilla aparece una vez en cada uno.
   ============================================ */

.section--tinta {
  background: var(--tinta);
  color: var(--sobre-tinta);
  position: relative;
}
.section--tinta::before,
.section--tinta::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: var(--linea-clara);
}
.section--tinta::before { top: 0; }
.section--tinta::after  { bottom: 0; }

.section--tinta .section-label {
  color: var(--sobre-tinta-suave);
  border-bottom-color: var(--linea-clara);
}
.section--tinta h2 { color: var(--sobre-tinta-fuerte); }
.section--tinta p  { color: var(--sobre-tinta); }
.section--tinta strong { color: var(--sobre-tinta-fuerte); }

/* Bloque 8 · "Para quién no es": la arcilla es el filete del titular. */
.section--no-es h2::after { background: var(--arcilla); }

.section--no-es p {
  font-size: var(--fs-lead);
  line-height: 1.5;
  max-width: 40ch;
  margin: 0 0 22px;
  padding-left: 22px;
  border-left: 1px solid var(--linea-clara);
}
.section--no-es p:last-child { margin-bottom: 0; }

/* Bloque 10 · "Precio y garantía": la arcilla es el botón. */
.section--precio h2::after { display: none; }

.precio {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(64px, 11vw, 108px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--sobre-tinta-fuerte);
  margin: 4px 0 14px;
  max-width: none;
}

.precio__nota {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sobre-tinta-suave);
  margin: 0 0 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--linea-clara);
  max-width: none;
}

.precio-antes {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sobre-tinta-suave);
  margin: 0 0 2px;
  max-width: none;
}

.precio-antes s {
  text-decoration-thickness: 1px;
}

.section--precio .btn-note { color: var(--sobre-tinta-suave); }

/* ============================================
   11 · PREGUNTAS
   ============================================ */

.faq { border-top: 1px solid var(--line-strong); }

.faq__item {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.faq__item h3 {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--carbon);
}

.faq__item p { font-size: 16.5px; margin: 0; }

/* ============================================
   BARRA DE COMPRA FIJA
   ============================================ */

.barra-compra {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: rgba(247, 244, 237, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--line-strong);
  opacity: 0;
  transform: translateY(100%);
  transition: opacity .3s ease, transform .35s cubic-bezier(.22, .68, .3, 1);
}
.barra-compra.is-in { opacity: 1; transform: none; }

.barra-compra__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.barra-compra__titulo {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--carbon-soft);
}

.btn--compacto {
  padding: 13px 22px;
  font-size: 13px;
  flex-shrink: 0;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  padding: 32px 0 calc(32px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line-warm);
  background: var(--papel);
}

.footer__line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--carbon-soft);
  text-align: center;
}

.footer__sep { color: var(--carbon-faint); user-select: none; }

.site-footer .brand-mark { font-size: 15px; }

.site-footer .handle {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--carbon-soft);
  margin: 0;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: color .2s ease;
}
.site-footer .handle:hover { color: var(--arcilla-deep); }

.footer__legal { display: contents; }
.footer__legal a {
  color: var(--carbon-soft);
  text-decoration: none;
  transition: color .2s ease;
}
.footer__legal a:hover { color: var(--carbon); }

.site-footer .copy {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--carbon-soft);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}

.footer__tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--carbon-soft);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 719px) {
  .deco--hero {
    width: 86vw;
    right: -22%;
    top: auto;
    bottom: -4%;
    transform: none;
    opacity: 0.16;
  }
  .deco--fase { height: 120px; right: -14%; opacity: 0.11; }
  .hero__figura { max-width: 300px; opacity: 0.4; }

  .fase { grid-template-columns: 60px 1fr; gap: 16px; }
  .logro { grid-template-columns: 40px 1fr; gap: 10px; padding: 22px 0; }
  .fase__num { font-size: 44px; }

  .site-header .container { gap: 6px; }
  .header-meta { font-size: 10px; }

  .barra-compra__inner { justify-content: center; }
  .barra-compra__titulo { display: none; }
  .btn--compacto { width: 100%; text-align: center; }
}

@media (min-width: 720px) {
  .container { padding: 0 40px; }

  .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr); align-items: center; gap: 40px; }

  .guias { grid-template-columns: repeat(2, 1fr); }

  .inventario__fila {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 24px;
    align-items: baseline;
  }
  .inventario dd { text-align: right; }
}

@media (min-width: 1080px) {
  .hero { padding: 72px 0 112px; }

  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    gap: 72px;
    align-items: center;
  }

  .hero h1 { letter-spacing: -0.03em; }

  .fase { grid-template-columns: 120px 1fr; gap: 40px; }

  .guias { grid-template-columns: repeat(4, 1fr); gap: 0 40px; }
}

/* ============================================
   MOVIMIENTO — aparición al entrar en pantalla
   ============================================ */

.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.22, .68, .3, 1);
}
.has-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}
.has-js .fase[data-reveal]:nth-child(2)       { transition-delay: .06s; }
.has-js .fase[data-reveal]:nth-child(3)       { transition-delay: .12s; }
.has-js .guia-grupo[data-reveal]:nth-child(2) { transition-delay: .06s; }
.has-js .guia-grupo[data-reveal]:nth-child(3) { transition-delay: .12s; }
.has-js .guia-grupo[data-reveal]:nth-child(4) { transition-delay: .18s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .has-js [data-reveal] { opacity: 1; transform: none; }
  .barra-compra { transform: none; }
}