/* ═══════════════════════════════════════════════════════════
   Palu Estudio — Landing VSL
   Tokens extraídos del Figma (frame 94:57)
   Mobile-first: la base es el estilo móvil; min-width mejora
   progresivamente a tablet (≥768px) y desktop (≥1024px / ≥1101px).
   ═══════════════════════════════════════════════════════════ */

:root {
  /* color */
  --ink: #332620; /* espresso — fondos oscuros y texto */
  --paper: #f7f7f2; /* hueso — fondo claro */
  --butter: #f5ebc8; /* mantequilla — CTA principal / acento */
  --olive: #948b67; /* oliva — paso 02, bordes */
  --wine: #5b2121; /* vino — paso 03, bonus, testimonios */
  --white: #fffffb;

  --hairline: rgba(51, 38, 32, 0.14);
  --hairline-onDark: rgba(247, 247, 242, 0.18);
  --nav-h: 84px;

  /* tipografía — Furlong Vintage y Snell Roundhand son las fuentes de marca
     (@font-face más abajo, ficheros en assets/). Onest es la única fuente
     de sistema/fallback que se carga. */
  --font-display: "Furlong Vintage", serif;
  --font-sans: "Onest", sans-serif;
  --font-body: "Onest", sans-serif;
  --font-script: "Snell Roundhand", cursive;

  /* tamaños de texto — en px, mobile-first: estos son los valores móviles
     (base); a partir de 768px pasan a tablet, a partir de 1024px a
     desktop (ver sección responsive, al final del archivo) */
  --fs-hero: 28px;
  --fs-h2: 34px;
  --fs-h3: 40px;
  --fs-num: 70px;
  --fs-eyebrow: 13px;
  --fs-intro: 16px;
  --fs-body-lg: 16px;
  --fs-stack-title: 24px;
  --fs-sobre-title: 34px;
  --fs-marquee: 23px;
  --fs-pain-idx: 16px;
  --fs-pain-kicker: 25px;
  --fs-pain-body: 16px;
  --fs-dolor-script: 30px;
  --fs-oferta-sub: 24px;
  --fs-list: 16px;
  --fs-tag: 13px;

  /* ritmo — paddings fijos por breakpoint (no fluidos): estos son los
     valores móviles (base). Suben en pasos fijos a ≥768 / ≥1024 / ≥1440
     (ver sección responsive). */
  --pad-x: 20px; /* laterales de sección */
  --pad-x-tight: 16px; /* laterales de bloques estrechos (nav, sobre, testimonios) */
  --section-y: 60px; /* superior/inferior de cada sección */
  --flow-y: 28px; /* ritmo vertical de bloques internos (títulos, cierres) */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── tipografías de marca (woff2 en assets/fonts/; los ficheros
      originales .otf/.ttf viven en el repo, en web/assets/) ───── */

@font-face {
  font-family: "Furlong Vintage";
  src: url("../fonts/FurlongVintage.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

/* peso Regular extraído del .ttc original (SnellRoundhand.ttc traía
   Regular/Bold/Black en un TrueType Collection; solo se usa Regular) */
@font-face {
  font-family: "Snell Roundhand";
  src: url("../fonts/SnellRoundhand.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

/* ── base ─────────────────────────────────────────────────── */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}
ul,
ol {
  list-style: none;
}
a {
  color: inherit;
}

::selection {
  background: var(--butter);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--olive);
  outline-offset: 3px;
}

/* ── piezas comunes ───────────────────────────────────────── */

.eyebrow {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: normal;
}
.eyebrow--onDark {
  color: rgba(247, 247, 242, 0.7);
}

.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-optical-sizing: auto;
  text-transform: uppercase;
  line-height: 1.12;
  letter-spacing: 0.01em;
}
.display--lg {
  font-size: var(--fs-h2);
}
.display--md {
  font-size: var(--fs-h2);
}

.script {
  font-family: var(--font-script);
  font-style: normal;
  font-weight: 400;
  text-transform: none;
  line-height: 1;
}

.u {
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

/* cabecera de sección editorial: nº + eyebrow sobre hairline (dolor) */
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.1rem var(--pad-x);
}
.sec-head--onDark {
  border-top-color: var(--hairline-onDark);
}
.sec-num {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
  opacity: 0.65;
  white-space: nowrap;
}

.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  text-align: center;
  max-width: 1200px;
  margin-inline: auto;
}
.section-head__intro {
  font-size: var(--fs-intro);
  font-weight: 100;
  max-width: 62ch;
}
.section-head__intro strong {
  font-weight: 500;
}
.section-head__intro--big {
  font-size: var(--fs-body-lg);
  line-height: 1.4;
  max-width: 56ch;
}
.section-head--onDark {
  color: var(--paper);
}

/* tags (píldoras de fase) */
.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 16px;
  border-radius: 100px;
  font-size: var(--fs-tag);
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: normal;
  text-align: center;
}
.tag--butter {
  background: var(--butter);
  color: var(--ink);
}
.tag--olive {
  border: 1px solid var(--olive);
  color: var(--ink);
}
.tag--outline {
  border: 1px solid var(--ink);
  color: var(--ink);
}
.tag--onDark {
  color: var(--paper);
  border-color: var(--paper);
}

/* ── botones ──────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 5px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.015em;
  white-space: normal;
  text-align: center;
  cursor: pointer;
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    background-color 0.35s var(--ease-out),
    color 0.35s var(--ease-out);
  will-change: transform;
}
.btn:active {
  transform: translateY(0);
  transition-duration: 0.1s;
}

.btn--butter {
  background: var(--butter);
  color: var(--ink);
  border-radius: 3px;
  box-shadow: 0 12px 26px rgba(91, 33, 33, 0.3);
}
.btn--butter:hover {
  box-shadow: 0 18px 34px rgba(91, 33, 33, 0.38);
  background: #f8f0d6;
}

.btn--ink {
  background: var(--ink);
  color: var(--paper);
  box-shadow: 0 8px 20px rgba(51, 38, 32, 0.18);
}
.btn--ink:hover {
  box-shadow: 0 14px 28px rgba(51, 38, 32, 0.26);
  background: #453329;
}

.btn--lg {
  padding: 10px 16px;
}
.btn--xl {
  padding: 22px 52px;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

.btn--pill {
  border-radius: 100px;
  box-shadow: 0 12px 26px rgba(91, 33, 33, 0.28);
}

.btn--nav {
  padding: 10px 16px;
  border-radius: 3px;
  border: 1px solid var(--paper);
  background: transparent;
  color: var(--paper);
  font-size: 14px;
}
.btn--nav:hover {
  background: var(--paper);
  color: var(--ink);
  transform: none;
}

.btn--ghost {
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  background: transparent;
  color: var(--ink);
  font-size: 16px;
  text-transform: none;
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}
.btn__arrow {
  display: inline-block;
  transition: transform 0.35s var(--ease-out);
}
.btn--ghost:hover .btn__arrow {
  transform: translateX(5px);
}

/* ── 00 · Nav ─────────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  padding-inline: var(--pad-x-tight);
  background: var(--ink);
  transition: box-shadow 0.4s ease;
}
.nav.is-scrolled {
  box-shadow: 0 6px 24px rgba(20, 12, 8, 0.35);
}

.nav__logo {
  width: 106px;
  height: 35px;
  object-fit: cover;
}

/* ── 01 · Hero ────────────────────────────────────────────── */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--section-y) var(--pad-x);
  background: var(--ink);
  text-align: center;
}

.hero > .eyebrow {
  margin-bottom: 36px;
  border: 1px solid var(--paper);
  padding: 10px 16px;
  border-radius: 40px;
  background: rgba(247, 247, 242, 0.04);
  font-size: 10px;
  max-width: unset;
}

.hero__title {
  display: flex;
  flex-direction: column;
  max-width: 1020px;
  color: var(--paper);
  font-size: var(--fs-hero);
  line-height: 1.04;
  font-weight: 500;
  padding-bottom: 36px;
}
.hero__line {
  display: block;
}
.hero__line--sans {
  font-family: var(--font-sans);
}
.hero__line--display {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  letter-spacing: 0.01em;
}

.hero__sub {
  max-width: 900px;
  color: #fbfbf9;
  opacity: 0.85;
  font-size: 14px;
  font-weight: 400;
  padding-bottom: 8px;
}

.hero__sub-text {
  margin-bottom: 36px;
  opacity: 0.75;
  font-weight: 100;
}

.hero__sub strong {
  font-weight: 500;
}
.hero__step-label {
  margin-top: 0.9em;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--paper);
}

/* VSL player (placeholder hasta tener el vídeo) */
.vsl {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  width: min(900px, 100%);
  aspect-ratio: 16 / 9;
  background: var(--paper);
  border-radius: 3px;
  cursor: pointer;
  overflow: hidden;
}
.vsl iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.vsl__play {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  transition: transform 0.45s var(--ease-out);
}
.vsl__play-icon {
  font-size: 26px;
  margin-left: 6px;
}
.vsl:hover .vsl__play {
  transform: scale(1.07);
}

/* halo respirando alrededor del play */
.vsl__play::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 1.5px solid rgba(51, 38, 32, 0.45);
  animation: breathe 3.2s ease-out infinite;
}
@keyframes breathe {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  70% {
    transform: scale(1.45);
    opacity: 0;
  }
  100% {
    transform: scale(1.45);
    opacity: 0;
  }
}

.vsl__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink);
  opacity: 0.75;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 36px;
}

.hero__cta .hero__step-label {
  padding-bottom: 8px;
  margin-top: 0;
}

.hero__cta .btn {
  margin: 0 0 26px 0;
}

.hero__micro {
  font-size: 12px;
  color: #fff;
  opacity: 0.8;
  text-align: center;
  font-weight: 100;
  opacity: 0.75;
}
.hero__micro-strong {
  font-weight: 500;
  text-transform: uppercase;
  opacity: 1;
}

/* ── marquee ──────────────────────────────────────────────── */

.marquee {
  overflow: hidden;
  background: var(--butter);
  border-block: 1px solid var(--hairline);
  padding-block: 18px;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee__item {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: var(--fs-marquee);
  text-transform: uppercase;
  white-space: nowrap;
}
.marquee__star {
  width: 9px;
  height: 9px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--wine);
}
@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ── 02 · Qué veremos en la llamada ───────────────────────── */

.llamada {
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 4vw, 3.25rem);
  padding-block: var(--section-y);
  background: var(--paper);
}
.llamada .section-head {
  padding-inline: var(--pad-x);
}

/* mobile/tablet (<1101px): cards apiladas con position:sticky.
   Desktop (≥1101px, ver responsive): 3 cards en fila, sin apilarse. */
.stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: clamp(1rem, 2vw, 1.5rem);
  padding-inline: var(--pad-x);
}
.stack__card {
  position: sticky;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: start;
  justify-content: space-between;
  gap: 60px;
  padding: clamp(2rem, 4vw, 2.5rem) clamp(1.5rem, 3vw, 2rem);
  border-radius: 8px;
  box-shadow: 0 -12px 40px rgba(51, 38, 32, 0.12);
}
/* el top deja sitio al nav (--nav-h); inerte en desktop (position:static) */
.stack__card:nth-child(1) {
  top: calc(var(--nav-h) + 8px);
}
.stack__card:nth-child(2) {
  top: calc(var(--nav-h) + 20px);
}
.stack__card:nth-child(3) {
  top: calc(var(--nav-h) + 32px);
}

.stack__card--butter {
  background: var(--butter);
  color: var(--ink);
}
.stack__card--olive {
  background: var(--olive);
  color: var(--paper);
}
.stack__card--wine {
  background: var(--wine);
  color: var(--paper);
}

.stack__card-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 40px;
}

.stack__num {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: var(--fs-num);
  line-height: 1;
  flex-shrink: 0;
}
.stack__content {
  max-width: 52ch;
}
.stack__title {
  font-size: var(--fs-stack-title);
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.2;
}
.stack__body {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 100;
}

.llamada__cierre {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding-inline: var(--pad-x);
  text-align: center;
}
.llamada__cierre p {
  font-size: 16px;
  font-weight: 100;
  max-width: 760px;
}

/* ── 03 · Dolor ───────────────────────────────────────────── */

.dolor {
  background: var(--ink);
  color: var(--paper);
  padding-block: var(--section-y);
}
.dolor__title {
  padding: var(--flow-y) var(--pad-x);
  line-height: 1.1;
}

.pains {
  border-top: 1px solid var(--hairline-onDark);
}
.pain {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  align-items: baseline;
  padding: 1.75rem var(--pad-x);
  border-bottom: 1px solid var(--hairline-onDark);
  transition: background-color 0.4s var(--ease-out);
}
.pain:hover {
  background: rgba(245, 235, 200, 0.05);
}
.pain__idx {
  font-family: var(--font-display);
  font-size: var(--fs-pain-idx);
  opacity: 0.55;
  transition:
    opacity 0.4s,
    color 0.4s;
}
.pain:hover .pain__idx {
  opacity: 1;
  color: var(--butter);
}
.pain__kicker {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 500;
  font-size: var(--fs-pain-kicker);
  line-height: 1.05;
  text-transform: uppercase;
  transition: color 0.4s var(--ease-out);
}
.pain:hover .pain__kicker {
  color: var(--butter);
}
.pain__body {
  font-size: var(--fs-pain-body);
  font-weight: 100;
  line-height: 1.5;
  opacity: 0.75;
}

.dolor__cierre {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  padding: var(--section-y) var(--pad-x) 0;
  text-align: center;
}
.dolor__cierre-text {
  max-width: 52ch;
  font-size: var(--fs-intro);
  font-weight: 200;
  line-height: 1.5;
}
.dolor__script {
  font-size: var(--fs-dolor-script);
  color: var(--butter);
}

/* ── 04 · Método ──────────────────────────────────────────── */

.metodo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2.5rem, 4vw, 3.25rem);
  padding: var(--section-y) var(--pad-x);
  background: var(--paper);
  box-shadow: 0 4px 4px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

/* mobile/tablet (<1101px): cards apiladas con position:sticky.
   Desktop (≥1101px, ver responsive): 2 cards en fila, sin apilarse. */
.fases-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: clamp(1rem, 2vw, 1.5rem);
  width: 100%;
}
.fase-card {
  position: sticky;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 40px;
  height: fit-content;
  padding: clamp(2rem, 4vw, 2.75rem);
  border-radius: 8px;
  box-shadow: 0 -12px 40px rgba(51, 38, 32, 0.12);
  justify-content: space-between;
}
.fase-card:nth-child(1) {
  top: calc(var(--nav-h) + 8px);
}
.fase-card:nth-child(2) {
  top: calc(var(--nav-h) + 28px);
}

.fase-card--core {
  background: var(--ink);
  color: var(--paper);
}
.fase-card--universo {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
  box-shadow: 0 -12px 40px rgba(51, 38, 32, 0.12);
}

.fase-card__head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2rem;
  flex-shrink: 0;
  width: 100%;
}
.fase-card__title {
  font-size: var(--fs-h3);
  line-height: 0.95;
}
.fase-card__body {
  font-size: var(--fs-intro);
  font-weight: 100;
  line-height: 1.55;
  opacity: 0.75;
}

/* ── 05 · Oferta ──────────────────────────────────────────── */

.oferta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(3rem, 6vw, 5rem);
  padding-block: var(--section-y);
  background: var(--ink);
  color: var(--paper);
}
.oferta .section-head {
  padding-inline: var(--pad-x);
  gap: clamp(2rem, 4vw, 4rem);
}
.oferta .section-head .u {
  text-underline-offset: 0.22em;
}

.oferta__cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  padding-inline: var(--pad-x);
}
.oferta__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(1.1rem, 2vw, 1.5rem);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  border: 1px solid var(--hairline-onDark);
  border-radius: 8px;
}
.oferta__card--core {
  background: rgba(247, 247, 242, 0.04);
}

.oferta__card--universo {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--ink);
}

.oferta__lead {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.4;
}

.oferta__cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 3.5rem);
  width: 100%;
}
.oferta__sub {
  font-size: var(--fs-oferta-sub);
  color: inherit;
  margin-bottom: 1rem;
}

.checklist li,
.starlist li {
  font-size: var(--fs-list);
  line-height: 1.9;
  padding-left: 32px;
  position: relative;
  font-weight: 100;
  opacity: 0.75;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--butter);
}
.starlist li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--ink);
}

.oferta__note {
  font-size: 13px;
  opacity: 0.75;
}

.bonus {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin-top: auto;
  padding: 24px 28px;
  border-radius: 4px;
  background: var(--wine);
  margin-top: 40px;
}
.bonus__title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--butter);
}
.bonus__body {
  font-size: 16px;
  line-height: 1.48;
  color: var(--paper);
  opacity: 0.92;
}

.oferta__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  padding-inline: var(--pad-x);
  text-align: center;
}
.oferta__escasez {
  font-size: 13px;
  line-height: 1.5;
  opacity: 0.85;
}

/* ── 06 · Testimonios ─────────────────────────────────────── */

.testimonios {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 576px;
  background: var(--white);
}
.testimonios__left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: var(--section-y) var(--pad-x-tight) 0;
}
.testimonios__left .display--md {
  line-height: 1.12;
}

.testimonios__track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  margin-top: 2.5rem;
  /* scrollbar oculta: se sigue pudiendo arrastrar con el dedo, pero sin
     ocupar espacio (evita la franja blanca sobre la foto de Palu) */
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE/Edge antiguo */
}
.testimonios__track::-webkit-scrollbar {
  display: none; /* Chrome/Safari/Edge */
}

.testimonial {
  flex: 0 0 100%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(2.5rem, 5vw, 6rem);
  color: var(--paper);
  padding: clamp(2.5rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3.125rem);
}
.testimonial--wine {
  background: var(--wine);
}
.testimonial--olive {
  background: var(--olive);
}
.testimonial--ink {
  background: var(--ink);
}
.testimonial__quote {
  max-width: 470px;
  font-size: var(--fs-body-lg);
  font-weight: 300;
  line-height: 1.3;
}
.testimonial__quote::before {
  content: "“";
}
.testimonial__quote::after {
  content: "”";
}

.testimonial__meta {
  display: flex;
  align-items: stretch; /* foto y datos comparten la misma altura (82px) */
  flex-wrap: wrap;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.testimonial__photo {
  width: 82px;
  height: 82px; /* cuadrada */
  background: #d9d9d9; /* placeholder: foto de la clienta */
  flex-shrink: 0;
}
.testimonial__who {
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* nombre+marca arriba · estrellas abajo */
  align-self: stretch; /* llena la altura de la foto (82px) */
}
.testimonial__id {
  display: flex;
  flex-direction: column;
}
.testimonial__name {
  font-size: var(--fs-body-lg);
  font-weight: 300;
  line-height: 1.12;
}
.testimonial__brand {
  font-size: 13px;
  font-weight: 200;
  line-height: 1.12;
}
.testimonial__stars {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* flecha de avance manual: oculta en móvil (se arrastra con el dedo y
   auto-scroll); solo visible en desktop (≥1024px, ver responsive) */
.testimonial__arrow-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  align-self: flex-end;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: background-color 0.3s var(--ease-out);
}
.testimonial__arrow-btn:hover {
  background: rgba(247, 247, 242, 0.12);
}
.testimonial__arrow {
  width: 26px;
  height: 22px;
  transition: transform 0.3s var(--ease-out);
}

/* ── 07 · Sobre Palu ──────────────────────────────────────── */

.sobre {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 0;
  background: var(--paper);
}
.sobre__media {
  height: 100%;
  min-height: 0;
  max-height: 560px;
  overflow: hidden;
}
.sobre__media img {
  width: 100%;
  height: 100%;
  max-height: 800px;
  object-fit: cover;
}

.sobre__bio {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 676px;
  padding-block: var(--section-y);
  padding-inline: var(--pad-x);
}
.sobre__title {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.08;
}
.sobre__text {
  font-size: 16px;
  line-height: 1.55;
  font-weight: 100;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.75rem, 3vw, 3rem);
  padding-block: 10px 6px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat__num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 38px;
  line-height: 1;
}
.stat__label {
  font-size: 14px;
  opacity: 0.7;
}

/* ── 08 · CTA final ───────────────────────────────────────── */

.final {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2rem, 4vw, 3.125rem);
  padding: var(--section-y) var(--pad-x);
  background: var(--ink);
  text-align: center;
}
.final__title {
  max-width: 988px;
  color: var(--paper);
  font-size: var(--fs-h2);
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.02;
}
.final__script {
  font-family: var(--font-script);
  font-style: normal;
  font-weight: 400;
  text-transform: lowercase;
  font-size: 1.42em;
  line-height: 0.6;
  vertical-align: -0.08em;
}
.final__sub {
  max-width: 706px;
  color: var(--paper);
  opacity: 0.75;
  font-size: 16px;
  line-height: 1.52;
  font-weight: 100;
}
.final__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding-top: 14px;
}
.final__micro {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  opacity: 0.7;
}

/* ── 09 · Footer ──────────────────────────────────────────── */

.footer {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 48px var(--pad-x);
  background: var(--ink);
  color: var(--paper);
}
.footer__top {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer__name {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}
.footer__tagline {
  font-size: 15px;
  font-weight: 300;
  opacity: 0.6;
  margin-top: 4px;
}
.footer__links {
  font-size: 15px;
  font-weight: 600;
}
.footer__links a {
  text-decoration: none;
}
.footer__links a:hover {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}
.footer__sep {
  margin-inline: 0.8em;
}
.footer__rule {
  height: 1px;
  background: rgba(148, 139, 103, 0.35);
}
.footer__legal {
  font-size: 13px;
  font-weight: 300;
  opacity: 0.55;
}

/* ── responsive (mobile-first: min-width, ascendente) ─────── */

/* mobile grande / phablet (≥521px): tamaños "normales" de botones y VSL
   que en <521px se reducían para no desbordar */
@media (min-width: 521px) {
  .btn {
    white-space: nowrap;
    text-align: left;
  }
  .vsl__play {
    width: 96px;
    height: 96px;
  }
  .vsl__play-icon {
    font-size: 34px;
  }
}

/* tablet (≥768px): tamaños de texto tablet + paddings tablet */
@media (min-width: 768px) {
  :root {
    /* ritmo tablet */
    --pad-x: 40px;
    --pad-x-tight: 40px;
    --section-y: 72px;
    --flow-y: 40px;

    --fs-hero: 60px;
    --fs-h2: 50px;
    --fs-h3: 37px;
    --fs-num: 77px;
    --fs-intro: 19px;
    --fs-body-lg: 21px;
    --fs-stack-title: 28px;
    --fs-sobre-title: 39px;
    --fs-marquee: 32px;
    --fs-pain-idx: 16px;
    --fs-pain-kicker: 34px;
    --fs-pain-body: 18px;
    --fs-dolor-script: 40px;
    --fs-oferta-sub: 30px;
    --fs-list: 18px;
    --fs-tag: 14px;
  }
}

/* desktop/tablet ancho (≥821px): eyebrow y tag vuelven a una línea,
   grids de "dolor"/"oferta" a varias columnas, meta de testimonios y
   stats en fila, footer en fila */
@media (min-width: 821px) {
  
  .hero > .eyebrow {
    font-size: 12px;
  }

  .hero__sub-text {
    font-size: 16px;
  }

  .hero__step-label {
    font-size: 12px;
  }

  .eyebrow {
    white-space: nowrap;
    max-width: none;
  }
  .tag {
    white-space: nowrap;
    text-align: left;
  }

  .pain {
    grid-template-columns: clamp(3rem, 6vw, 6rem) minmax(0, 1.1fr) minmax(
        0,
        1.3fr
      );
    gap: clamp(1rem, 3vw, 3rem);
  }

  .testimonial__meta {
    flex-wrap: nowrap;
  }

  .stats {
    flex-wrap: nowrap;
  }

  .footer__top {
    flex-direction: row;
    align-items: center;
  }
  .footer__sep {
    margin-inline: 1.4em;
  }
}

/* desktop (≥1024px): tamaños de texto desktop + paddings desktop */
@media (min-width: 1024px) {
  :root {
    /* ritmo desktop */
    --pad-x: 72px;
    --pad-x-tight: 64px;
    --section-y: 96px;
    --flow-y: 56px;

    --fs-hero: 72px;
    --fs-h2: 65px;
    --fs-h3: 50px;
    --fs-intro: 20px;
    --fs-body-lg: 25px;
    --fs-sobre-title: 46px;
    --fs-marquee: 38px;
    --fs-pain-idx: 22px;
    --fs-pain-kicker: 42px;
    --fs-pain-body: 20px;
    --fs-dolor-script: 50px;
    --fs-oferta-sub: 32px;
    --fs-list: 19px;
    --fs-tag: 15px;
    --fs-num: 60px;
    --fs-stack-title: 21px;
  }

  /* flecha de avance manual del carrusel de testimonios (sin dedo) */
  .testimonial__arrow-btn {
    display: inline-flex;
  }

  .oferta__cards {
    flex-direction: row;
    justify-content: center;
  }

  .oferta__card {
    max-width: 592.86px;
  }
}

/* desktop (≥1101px): cards de "llamada"/"método" en fila (sin apilarse),
   testimonios y "sobre" en 2 columnas */
@media (min-width: 1101px) {
  .nav__logo {
    width: 136px;
    height: 45px;
  }
  .stack {
    flex-direction: row;
  }
  .stack__card {
    position: static;
    min-height: 340px;
    box-shadow: 0 12px 32px rgba(51, 38, 32, 0.14);
  }

  .fases-stack {
    flex-direction: row;
  }
  .fase-card {
    position: static;
    flex-direction: column;
    min-height: 523px;
    box-shadow: 0 12px 32px rgba(51, 38, 32, 0.14);
  }
  .fase-card--universo {
    box-shadow: none;
  }

  .testimonios {
    grid-template-columns: minmax(0, 39.5%) minmax(0, 1fr);
  }
  .testimonios__left {
    padding-bottom: var(--section-y);
    align-items: flex-start;
  }
  .testimonios__track {
    margin-top: 0;
  }

  .sobre {
    grid-template-columns: minmax(0, 39.5%) minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 6.25rem);
  }
  .sobre__media {
    min-height: 480px;
    max-height: none;
    overflow: visible;
  }
  .sobre__bio {
    padding-left: 0;
  }

  .testimonial__photo {
    width: 120px;
    height: 120px;
  }

  .testimonial__brand {
    font-size: 16px;
  }

  .testimonial__name {
    font-weight: 500;
  }
}

/* pantallas grandes (≥1440px): último escalón fijo de paddings.
   El contenido llena el ancho con estos márgenes laterales fijos
   (ya no se recentra con calc). */
@media (min-width: 1440px) {
  :root {
    --pad-x: 120px;
    --pad-x-tight: 80px;
    --section-y: 112px;
    --flow-y: 64px;
    --fs-num: 80px;
    --fs-stack-title: 30px;
    --fs-eyebrow: 18px;
  }

  .fase-card {
    min-height: 461px;
  }
}

/* ── movimiento reducido ──────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .vsl__play::after {
    animation: none;
    opacity: 0;
  }
  .marquee__track {
    animation: none;
  }
  .btn,
  .vsl__play,
  .btn__arrow,
  .pain {
    transition: none;
  }
}