/* LUGA Group, credito.lugabusiness.com
   Dirección: verde pino + crema, con el dorado del logo solo como acento.
   Motivo: la escalera de barras ascendentes del logo (hero, método, pasos).
   Fraunces para los títulos (cálida, con carácter), Instrument Sans para el texto. */

@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/fraunces-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/fraunces-italic-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Instrument Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('/assets/fonts/instrument-sans-latin.woff2') format('woff2');
}

:root {
  color-scheme: dark;

  --pine-950: #061512;
  --pine-900: #081a16;   /* fondo profundo */
  --pine-800: #0e2a24;   /* fondo base */
  --pine-700: #143a31;   /* planos elevados */
  --pine-600: #1d4d41;

  --cream: #f4efe3;
  --cream-90: rgb(244 239 227 / 0.92);
  --cream-75: rgb(244 239 227 / 0.76);
  --cream-60: rgb(244 239 227 / 0.62);
  --line: rgb(244 239 227 / 0.16);
  --line-strong: rgb(244 239 227 / 0.32);

  --gold: #c9a15a;       /* el del logo: acento */
  --gold-light: #e8cf9b;
  --gold-ink: #6f5116;   /* dorado oscuro para texto sobre crema (AA) */

  --ink: #14201c;
  --ink-soft: #3b4a44;

  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-text: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);

  /* Forma: 4px en controles, 6px en superficies; el teléfono es un objeto, no una superficie. */
  --r-control: 4px;
  --r-surface: 6px;

  --header-h: 68px;
  --page-max: 1240px;
  --gutter: clamp(20px, 4vw, 48px);

  interpolate-size: allow-keywords;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scrollbar-color: var(--pine-600) var(--pine-900);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--pine-900);
  color: var(--cream-90);
  font: 400 1.0625rem/1.6 var(--font-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--gold);
  accent-color: var(--gold);
}

::selection { background: var(--gold); color: var(--pine-900); }

img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
  border-radius: var(--r-control);
}
.paper :focus-visible { outline-color: var(--pine-700); }

.tnum { font-variant-numeric: tabular-nums; }

.wrap {
  width: 100%;
  max-width: calc(var(--page-max) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.icon { width: 1.25em; height: 1.25em; fill: currentColor; flex: none; }

.skip {
  position: fixed;
  left: 12px;
  top: -64px;
  z-index: 100;
  padding: 12px 18px;
  background: var(--gold);
  color: var(--pine-900);
  font-weight: 600;
  border-radius: var(--r-control);
  transition: top 0.2s var(--ease-out);
}
.skip:focus { top: 12px; }

/* ---------- Tipografía de títulos ---------- */

h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h2 {
  font-size: clamp(2rem, 1.2rem + 2.7vw, 3.5rem);
  line-height: 1.08;
  max-width: 19em;
}
h3 { font-size: clamp(1.4rem, 1.15rem + 0.9vw, 1.9rem); line-height: 1.18; }

/* Entradilla de Luis integrada en el título: mismo cuerpo, cursiva, sin etiqueta aparte. */
.lead {
  display: block;
  font-style: italic;
  color: var(--gold-light);
  padding-bottom: 0.06em;
}
.paper .lead { color: var(--gold-ink); }

.prose { max-width: 62ch; color: var(--cream-75); margin-top: 22px; }
.prose--lg {
  font: 400 clamp(1.3rem, 1.1rem + 0.8vw, 1.7rem)/1.35 var(--font-display);
  color: var(--cream);
  margin-top: 0;
  text-wrap: pretty;
}
.note { font-size: 0.95rem; color: var(--cream-75); max-width: 46ch; }

.link {
  color: var(--gold-light);
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  transition: color 0.16s ease;
}
@media (hover: hover) and (pointer: fine) {
  .link:hover { color: var(--cream); }
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  min-height: 52px;
  padding: 0 26px;
  background: var(--gold);
  color: var(--pine-900);
  border: 1px solid transparent;
  border-radius: var(--r-control);
  font: 600 1rem/1 var(--font-text);
  text-decoration: none;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.16s var(--ease-out), background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.btn:active { transform: scale(0.97); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: var(--gold-light); }
}
.btn--sm { min-height: 44px; padding: 0 18px; font-size: 0.92rem; }
.btn--block { width: 100%; }

.btn--ghost { background: transparent; color: var(--cream); border-color: var(--line-strong); }
@media (hover: hover) and (pointer: fine) {
  .btn--ghost:hover { background: transparent; border-color: var(--gold); color: var(--gold-light); }
}

.btn--ink { background: var(--pine-900); color: var(--cream); }
@media (hover: hover) and (pointer: fine) {
  .btn--ink:hover { background: var(--pine-700); }
}
.btn--ink-ghost { background: transparent; color: var(--ink); border-color: rgb(20 32 28 / 0.35); }
@media (hover: hover) and (pointer: fine) {
  .btn--ink-ghost:hover { background: transparent; border-color: var(--ink); color: var(--ink); }
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(8 26 22 / 0.9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.site-header.is-stuck { border-bottom-color: var(--line); }

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { height: 40px; width: auto; }
.brand__name { font: 500 1.3rem/1 var(--font-display); letter-spacing: -0.01em; color: var(--cream); }
.brand__name span { font-style: italic; color: var(--gold-light); }

.nav { display: none; gap: clamp(20px, 2.6vw, 36px); }
.nav a {
  color: var(--cream-75);
  text-decoration: none;
  font-size: 0.97rem;
  padding-block: 8px;
  transition: color 0.16s ease;
}
@media (hover: hover) and (pointer: fine) {
  .nav a:hover { color: var(--cream); }
}
@media (min-width: 960px) { .nav { display: flex; } }
@media (max-width: 479px) { .brand__name { display: none; } }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  align-items: center;
  min-height: min(820px, calc(100dvh - var(--header-h)));
  padding-block: clamp(36px, 5vw, 72px) clamp(48px, 6vw, 88px);
  background: var(--pine-800);
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}

/* La escalera del logo, a escala de página. */
.hero__stairs {
  position: absolute;
  right: clamp(0px, 3vw, 48px);
  bottom: 0;
  width: min(46vw, 560px);
  height: 82%;
  display: flex;
  align-items: flex-end;
  gap: 2.4%;
}
.hero__stairs i {
  flex: 1;
  background: var(--pine-700);
  border-radius: 2px 2px 0 0;
  transform-origin: bottom;
}
.hero__stairs i:nth-child(1) { height: 34%; --k: 0; }
.hero__stairs i:nth-child(2) { height: 52%; --k: 1; }
.hero__stairs i:nth-child(3) { height: 72%; --k: 2; }
.hero__stairs i:nth-child(4) { height: 96%; --k: 3; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.6rem, 1.2rem + 4.6vw, 4.75rem);
  line-height: 1.03;
  letter-spacing: -0.024em;
  text-wrap: balance;
  max-width: none;
}
.hero__title em { font-style: italic; color: var(--gold-light); }

.hero__lede {
  max-width: 54ch;
  margin-top: 26px;
  font-size: clamp(1.05rem, 1rem + 0.25vw, 1.2rem);
  color: var(--cream-75);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.hero__video {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 18px;
  justify-self: center;
}
.hero__video figcaption { display: grid; gap: 2px; text-align: center; font-size: 0.95rem; color: var(--cream-75); }
.hero__video figcaption strong { font: 500 1.2rem/1.2 var(--font-display); color: var(--cream); }

.phone {
  width: clamp(230px, 24vw, 320px);
  aspect-ratio: 9 / 16;
  padding: 9px;
  background: #050b09;
  border-radius: 36px;
  box-shadow: 0 44px 70px -34px rgb(2 10 8 / 0.9), inset 0 0 0 1.5px rgb(244 239 227 / 0.14);
}
.video {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 28px;
  background: var(--pine-900);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.video img { width: 100%; height: 100%; object-fit: cover; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video__play {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--pine-900);
  box-shadow: 0 12px 30px -8px rgb(0 0 0 / 0.6);
  transition: transform 0.2s var(--ease-out);
}
.video__play .icon { width: 28px; height: 28px; margin-left: 3px; }
.video:active .video__play { transform: scale(0.94); }
@media (hover: hover) and (pointer: fine) {
  .video:hover .video__play { transform: scale(1.06); }
}

/* Entrada del hero (el momento central): palabras que suben, escalera que crece, teléfono que sube. */
.js:not(.ready) .hero__title { opacity: 0; }
.js .hero__title .w {
  display: inline-block;
  overflow: hidden;
  vertical-align: top;
  padding: 0 0.04em 0.16em;
  margin: 0 -0.04em -0.16em;
}
.js .hero__title .w > span {
  display: inline-block;
  transform: translateY(112%);
}
.js .hero__title.is-in .w > span {
  transform: none;
  transition: transform 0.95s var(--ease-expo) calc(var(--i) * 55ms + 140ms);
}
.js .hero:not(.is-in) .hero__stairs i { transform: scaleY(0); }
.js .hero.is-in .hero__stairs i {
  transform: none;
  transition: transform 1s var(--ease-expo) calc(var(--k) * 90ms + 120ms);
}
.js .hero:not(.is-in) .phone { opacity: 0; transform: translateY(44px); }
.js .hero.is-in .phone {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease-expo) 0.45s, transform 1.1s var(--ease-expo) 0.45s;
}
.js .hero:not(.is-in) .hero__lede,
.js .hero:not(.is-in) .hero__actions { opacity: 0; transform: translateY(14px); }
.js .hero.is-in .hero__lede,
.js .hero.is-in .hero__actions {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease-expo) 0.7s, transform 0.9s var(--ease-expo) 0.7s;
}
.js .hero.is-in .hero__actions { transition-delay: 0.82s; }

/* ---------- Promesa ---------- */

.promise { background: var(--pine-900); border-bottom: 1px solid var(--line); }
.promise__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(28px, 6vw, 96px);
  align-items: center;
  padding-block: clamp(40px, 5vw, 68px);
}
.promise__list { display: grid; gap: 14px; }
.promise__list li { display: flex; gap: 14px; align-items: flex-start; color: var(--cream-90); }
.promise__list .icon { color: var(--gold); margin-top: 0.2em; }

/* ---------- Secciones ---------- */

.section { padding-block: clamp(72px, 9vw, 128px); scroll-margin-top: var(--header-h); }
.section[id], .hero { scroll-margin-top: var(--header-h); }

.problems, .method, .how, .faq, .close { background: var(--pine-800); }
.services, .start, .luis { background: var(--pine-900); }

/* Problemas: título a la izquierda, seis casos a la derecha, sin tarjetas. */
.problems__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  grid-template-rows: auto 1fr;
  grid-template-areas: "head list" "foot list";
  column-gap: clamp(40px, 7vw, 112px);
  row-gap: 40px;
}
.problems__head { grid-area: head; }
.problems__list { grid-area: list; display: grid; gap: clamp(30px, 3.6vw, 48px); }
.problems__foot { grid-area: foot; align-self: end; display: grid; gap: 26px; justify-items: start; }
.problems__list li:nth-child(even) { margin-left: clamp(0px, 4vw, 56px); }
.problems__list h3 { transition: color 0.2s ease; }
.problems__list p { margin-top: 10px; max-width: 46ch; color: var(--cream-75); }
@media (hover: hover) and (pointer: fine) {
  .problems__list li:hover h3 { color: var(--gold-light); }
}

/* Servicio principal (papel) + tres servicios en filas. */
.services__intro { margin-bottom: clamp(40px, 5vw, 64px); }

.paper { background: var(--cream); color: var(--ink); border-radius: var(--r-surface); }
.paper p { color: var(--ink-soft); }
.paper h3, .paper h4 { color: var(--ink); }

.service-main {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  grid-template-areas: "title list" "foot foot";
  gap: clamp(28px, 4vw, 56px) clamp(32px, 5vw, 80px);
  padding: clamp(28px, 4vw, 56px);
}
.service-main__title { grid-area: title; }
.service-main__title h3 { font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.9rem); line-height: 1.08; }
.service-main__title p { margin-top: 18px; max-width: 48ch; }
.service-main__list { grid-area: list; }
.service-main__foot {
  grid-area: foot;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px 40px;
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid rgb(20 32 28 / 0.16);
}
.paper .note { color: var(--ink-soft); }

h4 { font: 600 1rem/1.3 var(--font-text); margin-bottom: 14px; color: var(--cream); }

.ticks { display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 30px; }
.ticks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 18px;
  height: 18px;
  background: var(--gold);
  -webkit-mask: url('/assets/icons/check.svg') center / contain no-repeat;
  mask: url('/assets/icons/check.svg') center / contain no-repeat;
}
.paper .ticks li::before { background: var(--gold-ink); }

.service-rows { margin-top: clamp(48px, 6vw, 88px); }
.service-row {
  display: grid;
  grid-template-columns: minmax(0, 4.2fr) minmax(0, 4.8fr) minmax(0, 3fr);
  gap: clamp(24px, 4vw, 64px);
  padding-block: clamp(28px, 3.4vw, 44px);
  border-top: 1px solid var(--line);
}
.service-row__title h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); }
.service-row__title p { margin-top: 14px; color: var(--cream-75); max-width: 44ch; }
.service-row__foot { display: grid; gap: 18px; align-content: start; justify-items: start; }

/* Método: tres cuidados, en orden. */
.method__intro { max-width: 48rem; }
.method__list { margin-top: clamp(40px, 5vw, 72px); }
.m-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(120px, 20%) minmax(0, 1fr);
  gap: clamp(16px, 4vw, 56px);
  align-items: baseline;
  padding-block: clamp(28px, 4vw, 52px);
}
.m-row::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--gold);
  transform-origin: left;
}
.m-row__num {
  font: italic 400 clamp(4rem, 11vw, 8.5rem)/0.9 var(--font-display);
  letter-spacing: -0.04em;
  color: var(--gold);
}
.m-row h3 { font-size: clamp(1.8rem, 1.2rem + 2.2vw, 2.9rem); line-height: 1.08; }
.m-row p { margin-top: 14px; max-width: 52ch; color: var(--cream-75); }

/* Empieza hoy */
.start__intro { max-width: 48rem; }
.choose { margin-top: clamp(48px, 6vw, 80px); }
.choose > .prose { margin-top: 10px; }
.choose__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 30px 0 34px;
  border-block: 1px solid var(--line);
}
.choose__list li + li { border-left: 1px solid var(--line); }
.choose__list a {
  display: grid;
  gap: 8px;
  height: 100%;
  padding: clamp(22px, 2.6vw, 34px);
  text-decoration: none;
  transition: background-color 0.2s ease;
}
.choose__list strong { font: 400 clamp(1.35rem, 1.1rem + 0.9vw, 1.8rem)/1.15 var(--font-display); transition: color 0.2s ease; }
.choose__list span { color: var(--cream-75); }
@media (hover: hover) and (pointer: fine) {
  .choose__list a:hover { background: var(--pine-800); }
  .choose__list a:hover strong { color: var(--gold-light); }
}

.prep {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 80px);
  margin-top: clamp(56px, 7vw, 96px);
}
.prep__col { padding-top: 26px; border-top: 2px solid var(--gold); }
.prep__col > p { margin-top: 12px; margin-bottom: 20px; color: var(--cream-75); max-width: 52ch; }

.check { display: flex; align-items: flex-start; gap: 14px; min-height: 44px; padding-block: 8px; cursor: pointer; }
.check input {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  background: transparent;
  border: 1.5px solid var(--line-strong);
  border-radius: var(--r-control);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease;
}
.check input::before {
  content: '';
  width: 16px;
  height: 16px;
  background: var(--pine-900);
  -webkit-mask: url('/assets/icons/check.svg') center / contain no-repeat;
  mask: url('/assets/icons/check.svg') center / contain no-repeat;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.16s ease, transform 0.2s var(--ease-out);
}
.check input:checked { background: var(--gold); border-color: var(--gold); }
.check input:checked::before { opacity: 1; transform: none; }
.check input:checked + span { color: var(--cream-60); }
.check span { transition: color 0.2s ease; }

/* Cómo funciona: tres pasos que suben como el logo. */
.how__intro { max-width: 48rem; }
.stairs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 48px);
  align-items: start;
  margin-top: clamp(40px, 5vw, 72px);
}
.step:nth-child(1) { margin-top: clamp(0px, 9vw, 140px); }
.step:nth-child(2) { margin-top: clamp(0px, 4.5vw, 70px); }
.step .shot { aspect-ratio: 4 / 5; }
.step__n { display: block; margin-top: 26px; font: italic 400 2.6rem/1 var(--font-display); color: var(--gold); }
.step h3 { margin-top: 8px; }
.step p { margin-top: 12px; color: var(--cream-75); max-width: 36ch; }
.step .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tags span {
  padding: 6px 12px;
  font-size: 0.88rem;
  color: var(--cream-90);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-control);
}

/* Espacio reservado para las imágenes de cada paso. */
.shot {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 8px;
  padding: 20px;
  text-align: center;
  background: rgb(20 58 49 / 0.55);
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--r-surface);
}
.shot .icon { width: 34px; height: 34px; color: var(--cream-60); }
.shot b { font-weight: 600; color: var(--cream-90); }
.shot span { font-size: 0.9rem; color: var(--cream-75); }
.shot--sm { aspect-ratio: 4 / 3; padding: 8px; gap: 4px; }
.shot--sm .icon { width: 24px; height: 24px; }
.shot--sm span { font-size: 0.74rem; line-height: 1.25; }

/* Luis */
.luis__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: center;
}
.luis__photo { aspect-ratio: 4 / 5; overflow: hidden; border-radius: var(--r-surface); background: var(--pine-700); }
.luis__photo img { width: 100%; height: 100%; object-fit: cover; }
.luis__role { margin-top: 10px; font: italic 400 1.25rem/1.3 var(--font-display); color: var(--gold-light); }
.luis__copy .prose:first-of-type { margin-top: 26px; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; margin-top: 38px; }
.facts dt { font: 400 1.35rem/1.2 var(--font-display); color: var(--cream); }
.facts dd { margin-top: 4px; font-size: 0.97rem; color: var(--cream-75); }

/* FAQ */
.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}
.faq__grid > h2 { position: sticky; top: calc(var(--header-h) + 32px); }
.faq__list details { border-top: 1px solid var(--line); }
.faq__list details:last-child { border-bottom: 1px solid var(--line); }
.faq__list summary {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 24px;
  cursor: pointer;
  list-style: none;
  font: 400 clamp(1.2rem, 1.1rem + 0.6vw, 1.55rem)/1.25 var(--font-display);
  -webkit-tap-highlight-color: transparent;
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after {
  content: '';
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 0.45em;
  background:
    linear-gradient(var(--gold), var(--gold)) center / 100% 1.5px no-repeat,
    linear-gradient(var(--gold), var(--gold)) center / 1.5px 100% no-repeat;
  transition: transform 0.25s var(--ease-out);
}
.faq__list details[open] summary::after { transform: rotate(45deg); }
.faq__body { padding-bottom: 26px; max-width: 58ch; color: var(--cream-75); }
.faq__list details::details-content {
  block-size: 0;
  overflow: clip;
  transition: block-size 0.3s var(--ease-out), content-visibility 0.3s allow-discrete;
}
.faq__list details[open]::details-content { block-size: auto; }
@media (hover: hover) and (pointer: fine) {
  .faq__list summary:hover { color: var(--gold-light); }
}

/* Cierre */
.close__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(36px, 6vw, 96px);
  align-items: start;
}
.mini-steps { display: grid; gap: 30px; margin-top: 40px; }
.mini-steps li { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 20px; align-items: center; }
.mini-steps h3 { font-size: clamp(1.3rem, 1.1rem + 0.7vw, 1.6rem); }
.mini-steps p { margin-top: 6px; color: var(--cream-75); max-width: 46ch; }

.agenda { position: sticky; top: calc(var(--header-h) + 28px); padding: clamp(26px, 3.4vw, 44px); }
.agenda h3 { font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.4rem); line-height: 1.1; }
.agenda > p { margin: 14px 0 26px; }
.agenda__alt { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.agenda__alt .btn { padding: 0 12px; font-size: 0.95rem; }
.contact { display: grid; gap: 16px; margin-top: 28px; padding-top: 22px; border-top: 1px solid rgb(20 32 28 / 0.16); }
.contact li { display: flex; gap: 14px; align-items: flex-start; }
.contact .icon { width: 22px; height: 22px; color: var(--gold-ink); margin-top: 2px; }
.contact span { display: block; font-size: 0.85rem; color: var(--ink-soft); }
.contact a, .contact b { font-weight: 600; color: var(--ink); overflow-wrap: anywhere; }
.contact a { text-underline-offset: 0.25em; }

/* Footer */
.site-footer { background: var(--pine-950); border-top: 1px solid var(--line); padding-block: 36px; }
.site-footer__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 36px; }
.brand--foot img { height: 34px; }
.brand--foot .brand__name { font-size: 1.1rem; }
.legal { display: flex; flex-wrap: wrap; gap: 8px 26px; }
.legal a { color: var(--cream-75); text-decoration: none; font-size: 0.95rem; padding-block: 10px; }
@media (hover: hover) and (pointer: fine) {
  .legal a:hover { color: var(--gold-light); }
}
.copy { flex-basis: 100%; font-size: 0.88rem; color: var(--cream-60); max-width: 70ch; }

/* ---------- Aparición al hacer scroll ----------
   Solo se oculta si el JS está activo (.reveal-on); sin JS todo se ve. */

.reveal-on [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease-expo), transform 0.85s var(--ease-expo);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.reveal-on [data-reveal].in { opacity: 1; transform: none; }

.reveal-on .step[data-reveal] { transform: translateY(52px); transition-delay: calc(var(--i, 0) * 110ms); }
.reveal-on .step[data-reveal].in { transform: none; }

.reveal-on .m-row[data-reveal] { transform: none; }
.reveal-on .m-row::before { transform: scaleX(0); transition: transform 1.2s var(--ease-expo); }
.reveal-on .m-row.in::before { transform: scaleX(1); }

/* El recorte va en la imagen, no en el contenedor observado: un contenedor
   totalmente recortado nunca se considera visible y jamás se revelaría. */
.reveal-on [data-reveal='clip'] { opacity: 1; transform: none; }
.reveal-on [data-reveal='clip'] img {
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1.2s var(--ease-expo);
}
.reveal-on [data-reveal='clip'].in img { clip-path: inset(0 0 0 0); }

/* ---------- Responsive ---------- */

@media (max-width: 1023px) {
  .service-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .service-row__title { grid-column: 1 / -1; }
  .service-row__title p { max-width: 62ch; }
}

@media (max-width: 899px) {
  .hero { min-height: 0; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__stairs { width: 90%; height: 46%; right: 0; opacity: 0.8; }
  .hero__video { margin-top: 12px; }
  .phone { width: min(300px, 74vw); }

  .promise__grid,
  .problems__grid,
  .luis__grid,
  .faq__grid,
  .close__grid { grid-template-columns: 1fr; }

  .problems__grid { grid-template-rows: none; grid-template-areas: "head" "list" "foot"; }
  .problems__list li:nth-child(even) { margin-left: 0; }

  .service-main { grid-template-columns: 1fr; grid-template-areas: "title" "list" "foot"; }
  .service-main__foot { flex-direction: column; align-items: flex-start; }

  .choose__list { grid-template-columns: 1fr; }
  .choose__list li + li { border-left: 0; border-top: 1px solid var(--line); }
  .prep { grid-template-columns: 1fr; }

  .stairs { grid-template-columns: 1fr; gap: 56px; }
  .step:nth-child(n) { margin-top: 0; }
  .step .shot { aspect-ratio: 16 / 10; }

  .luis__photo { max-width: 440px; }
  .faq__grid > h2 { position: static; }
  .agenda { position: static; }

  .m-row { grid-template-columns: 1fr; gap: 6px; }
  .m-row__num { font-size: 4.5rem; }
}

@media (max-width: 639px) {
  .hero__actions .btn { width: 100%; }
  .btn { white-space: normal; text-align: center; padding-block: 14px; }
  .site-header .btn { white-space: nowrap; padding-block: 0; }
  .service-row { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .mini-steps li { grid-template-columns: 104px minmax(0, 1fr); gap: 16px; }
  .agenda__alt { grid-template-columns: 1fr; }
}

/* ---------- Menos movimiento ---------- */

@media (prefers-reduced-motion: reduce) {
  .js .hero__title .w > span,
  .js .hero:not(.is-in) .phone,
  .js .hero:not(.is-in) .hero__lede,
  .js .hero:not(.is-in) .hero__actions { transform: none; }
  .js .hero:not(.is-in) .hero__stairs i { transform: none; }
  .js .hero.is-in .hero__title .w > span,
  .js .hero.is-in .hero__stairs i,
  .js .hero.is-in .phone,
  .js .hero.is-in .hero__lede,
  .js .hero.is-in .hero__actions { transition-duration: 0.01ms; transition-delay: 0s; }

  .reveal-on [data-reveal],
  .reveal-on .step[data-reveal] { transform: none; transition: opacity 0.35s ease; transition-delay: 0s; }
  .reveal-on [data-reveal='clip'] img { clip-path: none; opacity: 0; transition: opacity 0.5s ease; }
  .reveal-on [data-reveal='clip'].in img { opacity: 1; }
  .reveal-on .m-row::before { transform: none; transition: none; }
  .faq__list details::details-content { transition: none; }
  .skip { transition: none; }
}