/* =========================================================
   EXUREN — EXPERIENCIA v3
   Capa de diseño editorial: portada, capítulos de scroll,
   Historia, Founders, Contacto, menú móvil, transiciones.
   Se carga DESPUÉS de style.css.
   ========================================================= */

:root {
  --coconut: #eeeae2;
  --oyster: #373636;
  --ink: #0b0b0c;
  --pad: clamp(20px, 5vw, 80px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Base y accesibilidad ---------- */

html:not(.js) [data-reveal] { opacity: 1; transform: none; }

.skip-link {
  position: fixed;
  left: 12px; top: 12px;
  transform: translateY(-250%);
  z-index: 200;
  padding: 10px 14px;
  background: var(--white);
  color: var(--bg);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: none; }

/* Transición de página */
body { opacity: 0; transition: opacity 0.45s ease; }
body.is-ready { opacity: 1; }
body.is-leaving { opacity: 0; transition-duration: 0.25s; }
html:not(.js) body { opacity: 1; }
@media (prefers-reduced-motion: reduce) { body { opacity: 1; transition: none; } }

/* ---------- Cabecera v3 ---------- */

.site-header { transition: background 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s ease, transform 0.35s var(--ease); }
.site-header__left { gap: clamp(20px, 3vw, 44px); }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 36px); }
.nav-link.is-active { color: var(--white); }
.nav-link.is-active::after { transform: scaleX(1); }

.scroll-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0.7;
}

/* Cabecera sobre el hero de la home: transparente y flotante */
.home .site-header { position: fixed; left: 0; right: 0; background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.home .site-header.is-scrolled { background: rgba(6, 6, 7, 0.72); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border-bottom-color: var(--line); }

/* Cabecera sobre secciones claras */
.site-header.on-light { background: rgba(238, 234, 226, 0.82); border-bottom-color: rgba(11, 11, 12, 0.1); color: var(--ink); }
.site-header.on-light .nav-link,
.site-header.on-light .header-link,
.site-header.on-light .cart-trigger { color: rgba(11, 11, 12, 0.62); }
.site-header.on-light .nav-link:hover,
.site-header.on-light .nav-link.is-active,
.site-header.on-light .header-link:hover,
.site-header.on-light .cart-trigger:hover { color: var(--ink); }
.site-header.on-light .nav-link::after,
.site-header.on-light .scroll-progress { background: var(--ink); }
.site-header.on-light .logo-mark { filter: invert(1); }
.site-header.on-light .menu-toggle span { background: var(--ink); }
.site-header.on-light .cart-count { background: var(--ink); color: var(--coconut); }

/* Botón hamburguesa + menú móvil */
.menu-toggle {
  display: none;
  position: relative;
  width: 40px; height: 40px;
  background: none;
  border: 0;
  cursor: pointer;
  z-index: 120;
}
.menu-toggle span {
  position: absolute;
  left: 9px; right: 9px;
  height: 1.5px;
  background: var(--white);
  transition: transform 0.4s var(--ease-out), top 0.4s var(--ease-out);
}
.menu-toggle span:nth-child(1) { top: 16px; }
.menu-toggle span:nth-child(2) { top: 23px; }
body.menu-open .menu-toggle span:nth-child(1) { top: 20px; transform: rotate(45deg); }
body.menu-open .menu-toggle span:nth-child(2) { top: 20px; transform: rotate(-45deg); }
body.menu-open .site-header { background: transparent; border-color: transparent; }
body.menu-open .site-header.on-light .menu-toggle span { background: var(--white); }
body.menu-open .site-header .logo-mark { filter: none; }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 110px var(--pad) 36px;
  background: #060607;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0s linear 0.4s;
}
body.menu-open { overflow: hidden; }
body.menu-open .mobile-menu { opacity: 1; visibility: visible; transition-delay: 0s; }
.mobile-menu__nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu__nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 11vw, 3.4rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 0;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
body.menu-open .mobile-menu__nav a { opacity: 1; transform: none; transition-delay: calc(var(--i) * 70ms + 120ms); }
.mobile-menu__foot { display: flex; flex-direction: column; gap: 10px; font-size: 0.85rem; color: var(--grey-500); }

@media (max-width: 860px) {
  .site-nav, .header-link--ig { display: none; }
  .menu-toggle { display: block; }
  .site-header__right { gap: 6px; }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 26px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--white);
  background: var(--white);
  color: var(--bg);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s var(--ease-out), border-color 0.3s ease;
}
.btn:hover, .btn:focus-visible { background: transparent; color: var(--white); }
.btn i { font-style: normal; transition: transform 0.3s var(--ease-out); }
.btn:hover i { transform: translateX(4px); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(245, 245, 245, 0.5); }
.btn--ghost:hover, .btn--ghost:focus-visible { background: var(--white); color: var(--bg); border-color: var(--white); }
.btn--dark { background: var(--ink); color: var(--coconut); border-color: var(--ink); }
.btn--dark:hover { background: transparent; color: var(--ink); }

.eyebrow {
  margin: 0 0 20px;
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--grey-500);
}

/* ---------- Reveal ---------- */

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal="fade"] { transform: none; }
/* La máscara se aplica a la imagen (si se aplicara al contenedor, el observador lo vería con área 0) */
.js [data-reveal="mask"] { transform: none; opacity: 1; background: transparent; }
.js [data-reveal="mask"] img { clip-path: inset(0 0 100% 0); transition: clip-path 1.3s var(--ease-out); }
.js [data-reveal="mask"].is-in img { clip-path: inset(0 0 0 0); }
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal], .js [data-reveal="mask"] { opacity: 1; transform: none; transition: none; }
  .js [data-reveal="mask"] img { clip-path: none; transition: none; }
}

/* =========================================================
   HOME
   ========================================================= */

/* ---------- Stage / hero ---------- */

.stage {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
  --hp: 0;
}
.stage__media { position: absolute; inset: 0; z-index: -2; }
.stage__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transform: scale(calc(1.08 - var(--hp) * 0.08)) translateY(calc(var(--hp) * 6vh));
  will-change: transform;
}
.stage::before {
  content: "";
  position: absolute; inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, rgba(6, 6, 7, 0.92) 0%, rgba(6, 6, 7, 0.35) 45%, rgba(6, 6, 7, 0.55) 100%);
}
.stage__inner {
  width: 100%;
  max-width: calc(var(--max-width) + 2 * var(--pad));
  margin: 0 auto;
  padding: 140px var(--pad) clamp(40px, 8vh, 88px);
  opacity: calc(1 - var(--hp) * 1.4);
  transform: translateY(calc(var(--hp) * -60px));
}
.stage__kicker {
  margin: 0 0 clamp(16px, 3vh, 28px);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(245, 245, 245, 0.7);
}
.stage__wordmark {
  display: block;
  width: min(100%, 980px);
  height: auto;
  margin: 0 0 clamp(20px, 4vh, 36px) -0.4%;
  animation: wordmarkIn 1.6s var(--ease-out) 0.1s both;
}
@keyframes wordmarkIn {
  from { opacity: 0; letter-spacing: 0.2em; transform: translateY(20px); filter: blur(10px); }
  to { opacity: 1; transform: none; filter: none; }
}
.stage__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.stage__tagline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1rem, 2vw, 1.5rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  line-height: 1.7;
  animation: riseIn 1s var(--ease-out) 0.5s both;
}
.stage__ctas { display: flex; gap: 12px; flex-wrap: wrap; animation: riseIn 1s var(--ease-out) 0.7s both; }
.stage__scroll {
  position: absolute;
  right: var(--pad); bottom: 28px;
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, rgba(245,245,245,0), var(--white));
  animation: scrollHint 2.4s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollHint { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* El botón heredado de la home (class preventa-btn) mantiene su estilo */
.stage .preventa-btn { margin: 0; }

/* ---------- Marquee ---------- */

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding: 18px 0;
  background: var(--bg);
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: 48px;
  animation: marquee 38s linear infinite;
}
.marquee span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--grey-500);
  white-space: nowrap;
}
.marquee span:nth-child(even) { color: var(--grey-600); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* ---------- Manifiesto (iluminado por scroll) ---------- */

.manifesto { height: 240vh; position: relative; }
.manifesto__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: center;
  padding: 0 var(--pad);
}
.manifesto__inner { max-width: 1100px; margin: 0 auto; }
.manifesto__text {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 4.6vw, 3.8rem);
  line-height: 1.18;
  letter-spacing: 0.01em;
}
.mw { color: rgba(245, 245, 245, 0.16); transition: color 0.5s ease; }
.mw.is-lit { color: var(--white); }

/* ---------- Escena de producto (pscroll) ---------- */

.pscroll { position: relative; height: 420vh; --pp: 0; border-top: 1px solid var(--line); }
.pscroll__sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 96px);
  align-items: center;
  padding: 84px var(--pad) 40px;
  max-width: calc(var(--max-width) + 2 * var(--pad));
  margin: 0 auto;
}
.pscroll__stage {
  position: relative;
  height: min(78svh, 820px);
  max-height: 100%;
  justify-self: center;
  aspect-ratio: 4 / 5;
  background: var(--card-bg);
  overflow: hidden;
}
.pscroll__stage img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.8s var(--ease-out), transform 1.4s var(--ease-out);
}
.pscroll[data-step="0"] .pscroll__stage img[data-i="0"],
.pscroll[data-step="1"] .pscroll__stage img[data-i="1"],
.pscroll[data-step="2"] .pscroll__stage img[data-i="2"],
.pscroll[data-step="3"] .pscroll__stage img[data-i="3"] { opacity: 1; transform: none; }
.pscroll__count {
  position: absolute;
  top: 16px; left: 18px;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: #111;
}
.pscroll__panel { position: relative; min-height: 340px; display: flex; flex-direction: column; justify-content: center; }
.pscroll__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  letter-spacing: 0.05em;
  line-height: 1;
}
.pscroll__meta { display: flex; gap: 14px; align-items: center; margin: 14px 0 32px; flex-wrap: wrap; }
.pscroll__badge {
  padding: 6px 10px;
  border: 1px solid rgba(245, 245, 245, 0.4);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.pscroll__colors { display: flex; gap: 10px; }
.pscroll__color {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 8px;
  background: transparent;
  border: 1px solid var(--bg-panel-border);
  color: var(--grey-500);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.pscroll__color i { width: 14px; height: 14px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.35); }
.pscroll__color.is-selected, .pscroll__color:hover { border-color: var(--white); color: var(--white); }

.pscroll__steps { position: relative; min-height: 190px; margin-bottom: 32px; }
.pscroll__step {
  position: absolute; inset: 0 auto auto 0;
  max-width: 460px;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  pointer-events: none;
}
.pscroll[data-step="0"] .pscroll__step:nth-child(1),
.pscroll[data-step="1"] .pscroll__step:nth-child(2),
.pscroll[data-step="2"] .pscroll__step:nth-child(3),
.pscroll[data-step="3"] .pscroll__step:nth-child(4) { opacity: 1; transform: none; pointer-events: auto; }
.pscroll__step h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--grey-500);
}
.pscroll__step p { margin: 0; font-size: clamp(1.05rem, 1.7vw, 1.35rem); line-height: 1.55; }
.pscroll__bar { height: 1px; background: var(--line); margin-bottom: 28px; }
.pscroll__bar i { display: block; height: 100%; background: var(--white); transform-origin: left; transform: scaleX(var(--pp)); }

/* ---------- Capítulo claro: Detalles ---------- */

.light {
  background: var(--coconut);
  color: var(--ink);
  padding: clamp(80px, 14vh, 160px) var(--pad);
}
.light .eyebrow { color: rgba(11, 11, 12, 0.55); }
.light__inner { max-width: var(--max-width); margin: 0 auto; }
.light__title {
  margin: 0 0 clamp(48px, 9vh, 100px);
  max-width: 14ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 5rem);
  line-height: 1.02;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.specs { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(11, 11, 12, 0.18); }
.spec { padding: 32px 28px 8px 0; border-right: 1px solid rgba(11, 11, 12, 0.12); }
.spec + .spec { padding-left: 28px; }
.spec:last-child { border-right: 0; }
.spec__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 6.4vw, 5.6rem);
  line-height: 1;
  letter-spacing: 0.01em;
}
.spec__num small { font-size: 0.35em; letter-spacing: 0.16em; margin-left: 6px; font-weight: 600; }
.spec__label { margin: 14px 0 8px; font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(11, 11, 12, 0.6); }
.spec__text { margin: 0; max-width: 30ch; font-size: 0.95rem; line-height: 1.6; color: rgba(11, 11, 12, 0.78); }
.light .btn { margin-top: clamp(40px, 7vh, 72px); }

/* ---------- Carrusel de colecciones ---------- */

.shelf { padding: clamp(72px, 12vh, 140px) 0 clamp(72px, 12vh, 140px); }
.shelf__head {
  max-width: calc(var(--max-width) + 2 * var(--pad));
  margin: 0 auto 40px;
  padding: 0 var(--pad);
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.shelf__title { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5vw, 3.6rem); letter-spacing: 0.06em; text-transform: uppercase; line-height: 1; }
.shelf__link { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; border-bottom: 1px solid var(--white); padding-bottom: 4px; }
.shelf__row {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0 var(--pad) 24px;
  scrollbar-width: none;
}
.shelf__row::-webkit-scrollbar { display: none; }
.shelf__row .product-card { flex: 0 0 min(78vw, 380px); scroll-snap-align: start; }
.shelf__row .product-card { animation: none; }

/* ---------- Founders (banda) ---------- */

.band {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 80svh;
  border-block: 1px solid var(--line);
  overflow: hidden;
}
.band__text { display: flex; flex-direction: column; justify-content: center; padding: clamp(48px, 9vw, 120px) var(--pad); }
.band__title { margin: 0 0 24px; font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 5.6vw, 4.8rem); line-height: 1.02; letter-spacing: 0.04em; text-transform: uppercase; }
.band__title em { font-style: normal; color: var(--grey-500); }
.band__lead { margin: 0 0 36px; max-width: 46ch; font-size: 1.05rem; line-height: 1.7; color: var(--grey-500); }
.band__media { position: relative; overflow: hidden; background: #111; }
.band__media img { position: absolute; inset: -6% 0; width: 100%; height: 112%; object-fit: cover; object-position: center 20%; transform: translateY(var(--py, 0)); filter: grayscale(0.15) contrast(1.02); }
.band__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, var(--bg), rgba(6,6,7,0) 35%); }

/* ---------- Registro ---------- */

.join { padding: clamp(80px, 14vh, 180px) var(--pad); text-align: center; position: relative; }
.join__inner { max-width: 760px; margin: 0 auto; }
.join__title { margin: 0 0 20px; font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 6vw, 4.8rem); line-height: 1.04; letter-spacing: 0.04em; text-transform: uppercase; }
.join__lead { margin: 0 auto 40px; max-width: 46ch; color: var(--grey-500); line-height: 1.7; }
.join .signup { margin: 0 auto; }
.join .signup__label { display: none; }
.join .signup__form { justify-content: center; }

/* =========================================================
   PÁGINAS INTERIORES (Historia / Founders / Contacto)
   ========================================================= */

.page-title {
  position: relative;
  padding: clamp(150px, 26vh, 260px) var(--pad) clamp(60px, 10vh, 120px);
  max-width: calc(var(--max-width) + 2 * var(--pad));
  margin: 0 auto;
}
.page-title h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 12vw, 10rem);
  line-height: 0.92;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.page-title p { margin: 28px 0 0; max-width: 52ch; font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.7; color: var(--grey-500); }

/* Historia: capítulos */
.chapters {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px);
  max-width: calc(var(--max-width) + 2 * var(--pad));
  margin: 0 auto;
  padding: 0 var(--pad);
}
.chapters__index { position: sticky; top: 120px; align-self: start; display: flex; flex-direction: column; gap: 6px; padding-top: 12px; }
.chapters__index a {
  display: flex; gap: 14px; align-items: baseline;
  padding: 8px 0;
  font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--grey-600);
  transition: color 0.3s ease, transform 0.3s var(--ease-out);
}
.chapters__index a b { font-family: var(--font-display); font-weight: 600; }
.chapters__index a.is-active { color: var(--white); transform: translateX(6px); }

.chapter { padding: clamp(56px, 12vh, 140px) 0; border-top: 1px solid var(--line); }
.chapter__num { font-family: var(--font-display); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.24em; color: var(--grey-600); margin: 0 0 20px; }
.chapter__title { margin: 0 0 28px; font-family: var(--font-display); font-weight: 700; font-size: clamp(2rem, 5.4vw, 4.4rem); line-height: 1.04; letter-spacing: 0.03em; text-transform: uppercase; max-width: 16ch; }
.chapter__text { margin: 0 0 20px; max-width: 54ch; font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.7; color: rgba(245, 245, 245, 0.82); }
.chapter__figure { position: relative; margin: clamp(32px, 6vh, 64px) 0 0; overflow: hidden; background: var(--card-bg); aspect-ratio: 16 / 10; }
.chapter__figure--tall { aspect-ratio: 4 / 5; max-width: 560px; }
.chapter__figure img { position: absolute; inset: -5% 0; width: 100%; height: 110%; object-fit: cover; transform: translateY(var(--py, 0)); }
.chapter__figure figcaption { position: absolute; left: 16px; bottom: 14px; z-index: 2; font-size: 0.64rem; letter-spacing: 0.2em; text-transform: uppercase; color: #111; }
.chapter__quote { margin: 40px 0 0; padding-left: 24px; border-left: 1px solid var(--white); font-family: var(--font-display); font-size: clamp(1.2rem, 2.2vw, 1.8rem); letter-spacing: 0.04em; line-height: 1.4; text-transform: uppercase; }
.chapter .btn { margin-top: 32px; }

@media (max-width: 900px) {
  .chapters { grid-template-columns: 1fr; }
  .chapters__index { display: none; }
}

/* Founders */
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; max-width: calc(var(--max-width) + 2 * var(--pad)); margin: 0 auto; padding: 0 var(--pad); border-top: 1px solid var(--line); }
.principle { padding: 48px 32px 56px 0; border-right: 1px solid var(--line); }
.principle + .principle { padding-left: 32px; }
.principle:last-child { border-right: 0; }
.principle__n { font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 0.24em; color: var(--grey-600); margin: 0 0 24px; }
.principle h2 { margin: 0 0 14px; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.4rem, 2.6vw, 2.1rem); letter-spacing: 0.05em; text-transform: uppercase; }
.principle p { margin: 0; color: var(--grey-500); line-height: 1.7; max-width: 34ch; }
.note-box { max-width: 720px; margin: 0 auto; padding: 0 var(--pad); color: var(--grey-600); font-size: 0.82rem; line-height: 1.7; text-align: center; }

/* Contacto */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); max-width: calc(var(--max-width) + 2 * var(--pad)); margin: 0 auto; padding: 0 var(--pad) clamp(80px, 14vh, 160px); border-top: 1px solid var(--line); }
.contact-card { padding: 48px 32px 24px 0; border-right: 1px solid var(--line); }
.contact-card + .contact-card { padding-left: 32px; }
.contact-card:last-child { border-right: 0; }
.contact-card h2 { margin: 0 0 18px; font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--grey-500); font-weight: 500; }
.contact-card p, .contact-card a.big { margin: 0 0 12px; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.1rem, 2vw, 1.5rem); letter-spacing: 0.03em; line-height: 1.35; overflow-wrap: anywhere; }
.contact-card a.big { display: inline-block; border-bottom: 1px solid rgba(245,245,245,0.4); transition: border-color 0.25s ease; }
.contact-card a.big:hover { border-color: var(--white); }
.contact-card small { display: block; margin-top: 10px; color: var(--grey-500); font-size: 0.85rem; line-height: 1.6; }

@media (max-width: 900px) {
  .principles, .contact-grid, .specs { grid-template-columns: 1fr; }
  .principle, .principle + .principle, .contact-card, .contact-card + .contact-card, .spec, .spec + .spec { padding-left: 0; padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .spec, .spec + .spec { border-bottom-color: rgba(11, 11, 12, 0.12); padding-bottom: 28px; }
  .principle:last-child, .contact-card:last-child, .spec:last-child { border-bottom: 0; }
}

/* ---------- Responsive de escenas ---------- */

@media (max-width: 900px) {
  .pscroll { height: 380vh; }
  .pscroll__sticky { grid-template-columns: 1fr; grid-template-rows: auto auto; align-content: start; gap: 14px; padding-top: 72px; padding-bottom: 20px; align-items: start; }
  .pscroll__stage { height: min(37svh, 330px); }
  .pscroll__panel { min-height: 0; justify-content: flex-start; }
  .pscroll__panel .eyebrow { display: none; }
  .pscroll__title { font-size: clamp(1.9rem, 8vw, 2.6rem); }
  .pscroll__meta { margin: 8px 0 12px; gap: 8px; }
  .pscroll__steps { min-height: 96px; margin-bottom: 10px; }
  .pscroll__step p { font-size: 0.95rem; line-height: 1.5; }
  .pscroll__step h3 { margin-bottom: 8px; }
  .pscroll__bar { margin-bottom: 14px; }
  .pscroll__color { padding: 5px 10px 5px 7px; font-size: 0.6rem; }

  .band { grid-template-columns: 1fr; }
  .band__media { min-height: 52svh; order: -1; }
  .band__media::after { background: linear-gradient(to top, var(--bg), rgba(6,6,7,0) 40%); }

  .stage__row { flex-direction: column; align-items: flex-start; }
  .stage__scroll { display: none; }
  .manifesto { height: 200vh; }
}

@media (max-width: 560px) {
  .stage__inner { padding-top: 110px; }
  .btn { padding: 15px 20px; }
  .stage__ctas .btn { flex: 1 1 100%; justify-content: space-between; }
}

/* Foco visible coherente */
.btn:focus-visible, .pscroll__color:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
.light .btn:focus-visible { outline-color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  .stage__wordmark, .stage__tagline, .stage__ctas, .stage__scroll { animation: none; }
  .stage__media img { transform: none; }
  .stage__inner { opacity: 1; transform: none; }
}