/* ==========================================================================
   VORTA STUDIO
   Sistema: 70% negro / 20% blanco / 10% azul (Mini guía visual).
   Concepto: el isotipo son tres piezas. Sistemas (V), Webs (triángulo), Marca (cuña azul).
   Mobile first. Las escenas de desktop (.is-scene / .is-stage) las activa js/main.js.
   ========================================================================== */

:root {
  --ink: #050505;
  --graphite: #151515;
  --paper: #F5F7FA;
  --blue: #008CFF;
  --blue-hover: #3AA6FF;
  --deep: #003B9A;
  --steel: #8A8F98;
  --body: #BFC4CB;
  --dim: #26282C;
  --line: rgba(245, 247, 250, .10);
  --line-2: rgba(245, 247, 250, .20);
  --error: #FF6B6B;

  --f-display: 'Rajdhani', 'Arial Narrow', sans-serif;
  --f-text: 'Space Grotesk', system-ui, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, monospace;

  --gutter: clamp(16px, 4vw, 56px);
  --nav-h: 64px;
  --dock-h: 64px;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-io: cubic-bezier(.77, 0, .18, 1);

  /* Ángulo de los trazos del isotipo, usado en recortes y transiciones */
  --cut-hidden-r: polygon(100% 0, 130% 0, 130% 100%, 130% 100%);
  --cut-hidden-l: polygon(-30% 0, -30% 0, 0% 100%, 0% 100%);
  --cut-full: polygon(-30% 0, 130% 0, 130% 100%, 0% 100%);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-text);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-bottom: calc(var(--dock-h) + env(safe-area-inset-bottom));
  overflow-x: clip;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: inherit; }
ol, ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }

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

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

.wrap {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--blue);
  color: var(--ink);
  font-weight: 600;
  transform: translateY(-150%);
}
.skip:focus { transform: none; }

/* ---------- Tipos recurrentes ---------- */

.kind {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
}

.ch-lede {
  max-width: 52ch;
  color: var(--body);
  font-size: clamp(1.02rem, 1.2vw, 1.15rem);
}

.sec-title {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: .9;
  letter-spacing: -.005em;
}

/* ---------- Isotipo: piezas encendidas / apagadas ---------- */

.glyph { width: 30px; height: auto; flex: none; }
.glyph use { fill: var(--dim); transition: fill .4s var(--ease-out); }
.glyph .on { fill: var(--paper); }
.glyph .g-m.on { fill: var(--blue); }

.disc {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-top: 18px;
  color: var(--steel);
  font-size: .9rem;
}
.disc a { color: var(--paper); text-underline-offset: 3px; }
.disc a:hover { color: var(--blue); }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 24px;
  border: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color .18s var(--ease-out), color .18s var(--ease-out), transform .12s var(--ease-out);
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--blue);
  color: var(--ink);
  /* esquina cortada en el ángulo del isotipo */
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 9px) 100%, 0 100%);
}
@media (hover: hover) {
  .btn-primary:hover { background: var(--blue-hover); }
}
.btn-primary:disabled { opacity: .6; cursor: progress; }

.btn-ghost {
  padding: 0 4px;
  background: none;
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--line-2);
  text-underline-offset: 8px;
  text-decoration-thickness: 1px;
}
@media (hover: hover) {
  .btn-ghost:hover { text-decoration-color: var(--blue); }
}

/* ---------- Navegación ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 24px;
  padding-inline: var(--gutter);
  background: rgba(5, 5, 5, .92);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  margin-right: auto;
}
.brand-glyph { width: 34px; }

/* La pieza del capítulo actual queda encendida en el logo de la barra */
.brand-glyph use { fill: var(--paper); }
.brand-glyph .g-m { fill: var(--blue); }
body[data-ch="s"] .brand-glyph .g-w,
body[data-ch="s"] .brand-glyph .g-m,
body[data-ch="w"] .brand-glyph .g-s,
body[data-ch="w"] .brand-glyph .g-m,
body[data-ch="m"] .brand-glyph .g-s,
body[data-ch="m"] .brand-glyph .g-w { fill: var(--dim); }

.wordmark {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: .16em;
  line-height: 1;
  white-space: nowrap;
}
.wordmark b { color: var(--blue); font-weight: 600; }

/* A sin travesaño, como en el logotipo */
.lambda { position: relative; color: transparent; }
.lambda::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: .08em;
  bottom: .1em;
  background: var(--paper);
  clip-path: polygon(50% 0, 100% 100%, 79% 100%, 50% 30%, 21% 100%, 0 100%);
}

.nav-index { display: none; }
.nav-cta { display: none; }

.dock {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 50;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: calc(var(--dock-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(5, 5, 5, .96);
  border-top: 1px solid var(--line);
}
.dock a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: .72rem;
  font-weight: 500;
  color: var(--steel);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  transition: color .2s var(--ease-out);
}
.dock-ico { width: 22px; height: 16px; fill: currentColor; }
.dock a[aria-current="true"] { color: var(--paper); }
.dock a[data-nav="m"][aria-current="true"] .dock-ico { fill: var(--blue); }
.dock .dock-cta {
  margin: 10px 8px;
  background: var(--blue);
  color: var(--ink);
  font-family: var(--f-display);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 8px) 100%, 0 100%);
}
.dock a:active { transform: scale(.96); }

@media (min-width: 1024px) {
  body { padding-bottom: 0; }
  .dock { display: none; }
  .nav { gap: 40px; }
  .nav-index { display: flex; gap: 32px; }
  .nav-index a {
    position: relative;
    font-size: .92rem;
    font-weight: 500;
    color: var(--steel);
    text-decoration: none;
    padding: 6px 0;
    transition: color .2s var(--ease-out);
  }
  .nav-index a:hover,
  .nav-index a[aria-current="true"] { color: var(--paper); }
  .nav-index a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s var(--ease-out);
  }
  .nav-index a[aria-current="true"]::after { transform: scaleX(1); }
  .nav-cta { display: inline-flex; height: 40px; padding: 0 20px; }
}

/* ==========================================================================
   APERTURA
   ========================================================================== */

.intro { position: relative; }

.intro-stage {
  padding-top: calc(var(--nav-h) + clamp(40px, 8vh, 88px));
}

.hero-title {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(3.4rem, 15vw, 8rem);
  line-height: .86;
  letter-spacing: -.01em;
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero-title .line > span { display: block; }

.hero-lede {
  max-width: 36ch;
  margin-top: 28px;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--body);
}
.hero-lede strong { color: var(--paper); font-weight: 500; }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  margin-top: 36px;
}

.logo-anchor {
  position: relative;
  width: min(64vw, 340px);
  aspect-ratio: 61 / 48;
  margin: 64px auto 0;
}
.piece {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.piece-s use, .piece-w use { fill: var(--paper); }
.piece-m use { fill: var(--blue); }

/* Índice: qué significa cada pieza */
.index { padding-top: clamp(88px, 14vh, 140px); }
.index-title {
  max-width: 26ch;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  line-height: 1;
}
.index-cols {
  display: grid;
  gap: 8px;
  margin-top: 40px;
}
.idx {
  display: grid;
  grid-template-columns: 64px 1fr;
  column-gap: 20px;
  row-gap: 4px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}
.idx > :not(.idx-target) { grid-column: 2; }
.idx-target {
  grid-row: 1 / span 4;
  display: block;
  height: 44px;
}
.idx-target svg { height: 100%; width: 100%; overflow: visible; }
.idx-target svg { fill: var(--paper); }
.idx[data-piece="m"] .idx-target svg { fill: var(--blue); }
.idx-name {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.9rem;
  line-height: 1;
  text-transform: uppercase;
}
.idx-role {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
}
.idx-desc { color: var(--body); margin-top: 6px; max-width: 40ch; }
.idx-link {
  margin-top: 10px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue);
}
.idx-link span { display: inline-block; transition: transform .25s var(--ease-out); }
@media (hover: hover) {
  .idx:hover .idx-link span { transform: translateX(5px); }
}

@media (min-width: 1024px) {
  .intro-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 72px;
    align-items: center;
    max-width: 1440px;
    margin-inline: auto;
  }
  /* El título se dimensiona según el ancho real de su columna: nunca invade el logo */
  .hero-copy { padding-right: 0; container-type: inline-size; }
  .hero-title { font-size: min(8.4rem, 19cqi); }
  .logo-anchor {
    width: min(38vw, 560px);
    margin: 0 var(--gutter) 0 0;
  }
  .index { grid-column: 1 / -1; }
  .index-cols {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(24px, 4vw, 64px);
    margin-top: 56px;
  }
  .idx {
    grid-template-columns: 1fr;
    border-top: 0;
    padding: 0;
  }
  .idx > :not(.idx-target) { grid-column: 1; }
  .idx-target { grid-row: auto; height: 76px; margin-bottom: 24px; }
  .idx-target svg { width: auto; }
  .idx-name { font-size: clamp(2rem, 3vw, 2.8rem); }
}

/* Escena (desktop con movimiento): el stage queda fijo mientras el logo se separa */
.intro.is-scene { height: 250vh; }
.intro.is-scene .intro-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  padding: 0;
  display: block;
  overflow: hidden;
}
.intro.is-scene .hero-copy {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
}
.intro.is-scene {
  --a: min(36vw, 540px, calc((100dvh - 220px) * 61 / 48));
}
.intro.is-scene .hero-copy { padding-right: calc(var(--gutter) + var(--a) + 72px); }
.intro.is-scene .hero-lede { max-width: 36ch; }
.intro.is-scene .logo-anchor {
  position: absolute;
  top: calc(50% + var(--nav-h) / 2);
  right: max(var(--gutter), calc((100% - 1440px) / 2 + var(--gutter)));
  width: var(--a);
  margin: 0;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 2;
}
.intro.is-scene .index {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  pointer-events: none;
}
.intro.is-scene.is-index .index { pointer-events: auto; }
.intro.is-scene.is-index .hero-copy { pointer-events: none; }
.intro.is-scene .idx-target svg { visibility: hidden; }

/* ==========================================================================
   CAPÍTULOS
   ========================================================================== */

.chapter {
  position: relative;
  padding-top: clamp(112px, 18vh, 200px);
  scroll-margin-top: 0;
}

.ch-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  column-gap: clamp(14px, 2vw, 32px);
}
.ch-glyph {
  height: clamp(44px, 9.4vw, 116px);
  width: auto;
  margin-bottom: .06em;
  fill: var(--paper);
}
.ch-glyph-w { height: clamp(28px, 6vw, 74px); margin-bottom: clamp(8px, 1.6vw, 20px); }
.ch-glyph-m { fill: var(--blue); }
.ch-title {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(4rem, 15vw, 12rem);
  line-height: .78;
  letter-spacing: -.01em;
}
.ch-head .ch-lede {
  grid-column: 1 / -1;
  margin-top: 28px;
}
@media (min-width: 768px) {
  .ch-head .ch-lede { grid-column: 2; }
}

/* ---------- Sistemas (modo lista, mobile y sin escena) ---------- */

.sys-scene { margin-top: clamp(40px, 7vh, 72px); }

.sys {
  padding: 28px 0 32px;
  border-top: 1px solid var(--line);
}
.sys-name button,
.site-name button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  line-height: 1;
  text-transform: uppercase;
  cursor: pointer;
}
.sys-name button:disabled,
.site-name button:disabled { cursor: default; color: var(--paper); }
.sys .kind, .site .kind { margin-top: 10px; }
.sys-desc, .site-desc { margin-top: 12px; color: var(--body); max-width: 52ch; }

.screens {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(86%, 620px);
  gap: 12px;
  margin: 24px calc(var(--gutter) * -1) 0;
  padding: 0 var(--gutter) 6px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.screens::-webkit-scrollbar { display: none; }
.screens li { scroll-snap-align: start; display: grid; gap: 10px; align-content: start; }

.shot {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--graphite);
  overflow: hidden;
  cursor: zoom-in;
}
.shot img { width: 100%; height: 100%; object-fit: cover; }

.cap {
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--steel);
  cursor: pointer;
}

/* ---------- Sistemas: escena de producto (desktop) ----------
   El riel izquierdo funciona como la barra lateral de los propios sistemas.
   El scroll avanza pantalla por pantalla; cada cambio entra con un corte diagonal. */

.sys-scene.is-stage { --rail: 320px; }
.sys-scene.is-stage .sys-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
}
.sys-scene.is-stage .sys {
  width: var(--rail);
  padding: 18px 0;
}
.sys-scene.is-stage .sys:last-child { border-bottom: 1px solid var(--line); }
.sys-scene.is-stage .sys-name button { color: var(--steel); font-size: 1.9rem; transition: color .3s var(--ease-out); }
.sys-scene.is-stage .sys-name button:hover,
.sys-scene.is-stage .sys.is-active .sys-name button { color: var(--paper); }

.sys-scene.is-stage .sys-body,
.webs-scene.is-stage .site-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .5s var(--ease-out);
}
.sys-scene.is-stage .sys.is-active .sys-body,
.webs-scene.is-stage .site.is-active .site-body { grid-template-rows: 1fr; }
.sys-scene.is-stage .sys-inner,
.webs-scene.is-stage .site-inner { min-height: 0; overflow: hidden; }
.sys-scene.is-stage .sys-desc { font-size: .95rem; }

.sys-scene.is-stage .screens {
  display: block;
  margin: 18px 0 4px;
  padding: 0;
  overflow: visible;
}
.sys-scene.is-stage .screens li { display: block; }
.sys-scene.is-stage .cap {
  display: block;
  width: 100%;
  padding: 8px 0 8px 16px;
  border-left: 2px solid var(--line-2);
  font-family: var(--f-text);
  font-size: .95rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--steel);
  transition: color .25s var(--ease-out), border-color .25s var(--ease-out);
}
.sys-scene.is-stage .cap:hover { color: var(--paper); }
.sys-scene.is-stage .cap.is-current { color: var(--paper); border-left-color: var(--blue); }

.sys-scene.is-stage .shot {
  position: absolute;
  top: calc(50% + var(--nav-h) / 2);
  right: var(--gutter);
  width: min(calc(100% - var(--gutter) * 2 - var(--rail) - 64px), calc((100dvh - var(--nav-h) - 110px) * 16 / 9));
  translate: 0 -50%;
  clip-path: var(--cut-hidden-r);
  transition: none;
  pointer-events: none;
  z-index: 1;
}
.sys-scene.is-stage .shot img { transform: scale(1.06); transition: none; }
.sys-scene.is-stage .shot.is-before { clip-path: var(--cut-hidden-l); }
.sys-scene.is-stage .shot.is-leaving { clip-path: var(--cut-full); z-index: 2; }
.sys-scene.is-stage .shot.is-active {
  clip-path: var(--cut-full);
  z-index: 3;
  pointer-events: auto;
  transition: clip-path .75s var(--ease-io);
}
.sys-scene.is-stage .shot.is-active img { transform: none; transition: transform 1.1s var(--ease-out); }

/* ---------- Webs (modo lista) ---------- */

.webs-scene { margin-top: clamp(40px, 7vh, 72px); }
.site {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
}
.frame {
  margin-top: 24px;
  border: 1px solid var(--line-2);
  background: var(--graphite);
}
.frame-bar {
  display: flex;
  align-items: center;
  height: 34px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--steel);
}
.frame-bar::before {
  content: '';
  width: 8px;
  height: 8px;
  margin-right: 12px;
  border: 1px solid var(--line-2);
}
.frame-view {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.frame-view::-webkit-scrollbar { display: none; }
.frame-page {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 92%;
  gap: 1px;
}
.frame-page img { width: 100%; scroll-snap-align: start; }

@media (min-width: 1024px) {
  .site {
    display: grid;
    grid-template-columns: minmax(280px, 4fr) 8fr;
    gap: 48px;
    align-items: start;
  }
  .site .frame { margin-top: 0; }
  .screens { grid-auto-columns: calc((100% - 36px) / 2.4); }
}

/* ---------- Webs: escena (desktop). El scroll recorre la página dentro del marco. ---------- */

.webs-scene.is-stage {
  --fw: min(calc(min(100vw, 1440px) - var(--gutter) * 2 - 360px - 64px), calc((100dvh - var(--nav-h) - 130px) * 1.6));
}
.webs-scene.is-stage .webs-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  padding-left: calc(var(--gutter) + var(--fw) + 64px);
}
.webs-scene.is-stage .site {
  display: block;
  padding: 18px 0;
}
.webs-scene.is-stage .site:last-child { border-bottom: 1px solid var(--line); }
.webs-scene.is-stage .site-name button { color: var(--steel); font-size: 1.9rem; transition: color .3s var(--ease-out); }
.webs-scene.is-stage .site-name button:hover,
.webs-scene.is-stage .site.is-active .site-name button { color: var(--paper); }
.webs-scene.is-stage .site-desc { font-size: .95rem; }

.webs-scene.is-stage .frame {
  position: absolute;
  left: var(--gutter);
  top: calc(50% + var(--nav-h) / 2);
  width: var(--fw);
  margin: 0;
  translate: 0 -50%;
  opacity: 0;
  visibility: hidden;
  transition: opacity .45s var(--ease-out), visibility 0s linear .45s;
}
.webs-scene.is-stage .site.is-active .frame {
  opacity: 1;
  visibility: visible;
  transition: opacity .45s var(--ease-out), visibility 0s;
}
.webs-scene.is-stage .frame-view {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  scroll-snap-type: none;
}
.webs-scene.is-stage .frame-page {
  grid-auto-flow: row;
  grid-auto-columns: auto;
  gap: 0;
  will-change: transform;
}

/* ---------- Marca ---------- */

.brands {
  display: grid;
  gap: clamp(88px, 14vh, 168px);
  margin-top: clamp(48px, 8vh, 88px);
}
.bp { display: grid; gap: 14px; }
.bp-text { margin-bottom: 14px; }
.bp-text > p:not(.kind):not(.disc) { margin-top: 14px; color: var(--body); max-width: 46ch; }
.bp-name {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 1;
  margin-bottom: 10px;
}

.tile {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: var(--graphite);
  overflow: hidden;
  cursor: zoom-in;
}
.tile img { width: 100%; transition: transform .7s var(--ease-out); }
@media (hover: hover) {
  .tile:hover img { transform: scale(1.025); }
}
.pair, .row, .stack { display: grid; gap: 14px; }

@media (min-width: 1024px) {
  .bp { gap: 24px; column-gap: 24px; align-items: start; }
  .bp-text { margin-bottom: 0; }
  .pair, .row, .stack { gap: 24px; }

  .bp-vorta {
    grid-template-columns: 5fr 7fr;
    grid-template-areas: "a text" "a pair";
  }
  .bp-vorta .t-a { grid-area: a; }
  .bp-vorta .bp-text { grid-area: text; padding-top: 8px; }
  .bp-vorta .pair { grid-area: pair; grid-template-columns: .75fr .6656fr; align-self: end; }

  .bp-nadia {
    grid-template-columns: 8fr 4fr;
    grid-template-areas: "lead lead" "row text";
  }
  .bp-nadia .t-lead { grid-area: lead; }
  .bp-nadia .row { grid-area: row; grid-template-columns: 1fr 1.777fr; }
  .bp-nadia .bp-text { grid-area: text; align-self: end; }

  .bp-missed {
    grid-template-columns: 5fr 7fr;
    grid-template-areas: "text stack" "side stack";
  }
  .bp-missed .bp-text { grid-area: text; }
  .bp-missed .t-side { grid-area: side; margin-top: 24px; }
  .bp-missed .stack { grid-area: stack; }
}

/* Revelado con el corte diagonal del isotipo */
.js .rv { clip-path: var(--cut-hidden-l); transition: clip-path 1.05s var(--ease-io) var(--d, 0s); }
.js .rv img { transform: scale(1.08); transition: transform 1.4s var(--ease-out) var(--d, 0s); }
.js .rv.is-in { clip-path: var(--cut-full); }
.js .rv.is-in img { transform: none; }
@media (hover: hover) {
  .js .rv.is-in:hover img { transform: scale(1.025); transition-delay: 0s; transition-duration: .7s; }
}

/* ---------- Cómo trabajamos ---------- */

.proc-head .ch-lede { margin-top: 20px; }

.steps {
  position: relative;
  display: grid;
  gap: 40px;
  margin-top: clamp(48px, 8vh, 80px);
  --p: 1;
}
.steps::before,
.steps::after {
  content: '';
  position: absolute;
  left: var(--gutter);
  top: 6px;
  bottom: 0;
  width: 1px;
  background: var(--line-2);
}
.steps::after {
  background: var(--blue);
  transform: scaleY(var(--p));
  transform-origin: top;
}
.step { position: relative; padding-left: 32px; }
.step::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 1px solid var(--line-2);
  z-index: 1;
  transition: background-color .3s var(--ease-out), border-color .3s var(--ease-out);
}
.step.is-on::before { background: var(--blue); border-color: var(--blue); }
.step h3 {
  font-family: var(--f-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.9rem;
  line-height: 1;
}
.step p:not(.fact) { margin-top: 12px; color: var(--body); max-width: 34ch; }
.fact {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--paper);
  line-height: 1.7;
  max-width: 36ch;
}

@media (min-width: 1024px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: 40px; padding-top: 0; }
  .steps::before,
  .steps::after {
    left: var(--gutter);
    right: var(--gutter);
    top: 4px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
  .steps::after { transform: scaleX(var(--p)); transform-origin: left; }
  .step { padding: 40px 0 0; }
  .step::before { left: 0; top: 0; }
}

.faq {
  display: grid;
  gap: 28px;
  margin-top: clamp(96px, 14vh, 160px);
}
.faq-title {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  line-height: 1;
}
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary {
  position: relative;
  padding: 22px 44px 22px 0;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 1.6vw, 1.4rem);
  line-height: 1.2;
  list-style: none;
  cursor: pointer;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before,
.faq-list summary::after {
  content: '';
  position: absolute;
  right: 6px;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--steel);
  transition: transform .3s var(--ease-out), background-color .3s;
}
.faq-list summary::after { transform: rotate(90deg); }
.faq-list details[open] summary::after { transform: rotate(0); }
.faq-list details[open] summary::before { background: var(--blue); }
.faq-list summary:hover::before,
.faq-list summary:hover::after { background: var(--paper); }
.faq-list details p { padding: 0 0 24px; max-width: 62ch; color: var(--body); }

@media (min-width: 1024px) {
  .faq { grid-template-columns: 4fr 8fr; gap: 48px; }
  .faq-title { position: sticky; top: calc(var(--nav-h) + 32px); align-self: start; }
}

/* ---------- Contacto ---------- */

.contact {
  margin-top: clamp(112px, 18vh, 200px);
  padding-block: clamp(80px, 12vh, 140px);
  background: #090909;
  border-top: 1px solid var(--line);
}
.contact-grid { display: grid; gap: 48px; }
.contact-side .ch-lede { margin-top: 20px; }

.builder { margin: 40px 0 0; }
.builder-logo { width: min(220px, 56%); overflow: visible; }
.builder-logo use {
  fill: transparent;
  stroke: rgba(245, 247, 250, .28);
  stroke-width: .35;
  stroke-dasharray: 1.4 1.1;
  transform-box: fill-box;
  transform-origin: center;
  transition: fill .35s var(--ease-out), stroke .35s var(--ease-out), transform .45s var(--ease-out);
}
.builder.has-s .b-s,
.builder.has-w .b-w { fill: var(--paper); stroke: transparent; }
.builder.has-m .b-m { fill: var(--blue); stroke: transparent; }
.builder.has-s .b-s, .builder.has-w .b-w, .builder.has-m .b-m { animation: pop .45s var(--ease-out); }
@keyframes pop { from { transform: scale(.9); } to { transform: none; } }

.channels { margin-top: 40px; }
.channels li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.channels span {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--steel);
}
.channels a {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.25rem;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color .2s var(--ease-out);
}
.channels a:hover { color: var(--blue); }

.form {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 3vw, 40px);
  background: var(--graphite);
  border: 1px solid var(--line);
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.field { display: grid; gap: 8px; }
.field label,
.picks legend {
  font-size: .92rem;
  font-weight: 500;
  color: var(--paper);
}
.field input,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line-2);
  border-radius: 0;
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 1rem;
  transition: border-color .2s var(--ease-out), box-shadow .2s var(--ease-out);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder,
.field textarea::placeholder { color: #737882; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0, 140, 255, .28);
}
.field [aria-invalid="true"] { border-color: var(--error); }
.field-row { display: grid; gap: 20px; }

.picks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
}
.picks legend { padding: 0; margin-bottom: 10px; }
.pick {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line-2);
  background: var(--ink);
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: border-color .2s var(--ease-out), background-color .2s var(--ease-out), transform .12s var(--ease-out);
}
.pick:active { transform: scale(.97); }
.pick input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.pick svg { height: 16px; width: 22px; fill: var(--steel); transition: fill .2s var(--ease-out); }
.pick:has(input:checked) { border-color: var(--paper); background: rgba(245, 247, 250, .06); }
.pick:has(input:checked) svg { fill: var(--paper); }
.pick:has(input[value="m"]:checked) svg { fill: var(--blue); }
.pick:has(input:focus-visible) { outline: 2px solid var(--blue); outline-offset: 2px; }
.picks.is-invalid .pick { border-color: var(--error); }
.picks-note {
  width: 100%;
  margin-top: 4px;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--steel);
}
.picks.is-invalid .picks-note { color: var(--error); }

.btn-submit { justify-self: start; min-width: 220px; }
.form-status { min-height: 1.5em; font-size: .95rem; }
.form-status.is-ok { color: var(--blue); }
.form-status.is-error { color: var(--error); }
.form-legal { font-size: .82rem; color: var(--steel); }
.form-legal a { color: var(--body); text-underline-offset: 3px; }

@media (min-width: 768px) {
  .field-row { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 5fr 7fr; gap: clamp(48px, 6vw, 112px); align-items: start; }
  .contact-side { position: sticky; top: calc(var(--nav-h) + 40px); }
}

/* ---------- Footer ---------- */

.footer {
  display: grid;
  gap: 36px;
  padding-top: 56px;
  padding-bottom: 56px;
  border-top: 1px solid var(--line);
  color: var(--steel);
  font-size: .9rem;
}
.foot-brand { display: flex; align-items: center; gap: 16px; }
.foot-brand .glyph { width: 44px; }
.foot-brand .wordmark { color: var(--paper); font-size: 1.3rem; }
.tagline {
  margin-top: 8px;
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.foot-links a, .foot-meta a { text-decoration: none; transition: color .2s var(--ease-out); }
.foot-links a:hover, .foot-meta a:hover { color: var(--paper); }
.foot-meta { display: grid; gap: 6px; }
.foot-meta p:nth-child(2) { display: flex; flex-wrap: wrap; gap: 4px 18px; }

@media (min-width: 1024px) {
  .footer { grid-template-columns: 5fr 4fr 3fr; align-items: start; }
}

/* ---------- Visor ---------- */

.lightbox {
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(5, 5, 5, .97);
  color: var(--paper);
}
.lightbox::backdrop { background: rgba(0, 0, 0, .6); }
.lb-inner {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  height: 100%;
  padding: 24px var(--gutter) calc(16px + env(safe-area-inset-bottom));
  gap: 16px;
}
.lb-img {
  align-self: center;
  justify-self: center;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.lightbox[open] .lb-img { animation: lb-in .24s var(--ease-out); }
@keyframes lb-in { from { opacity: 0; transform: scale(.98); } }
.lb-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.lb-caption { flex: 1 1 280px; color: var(--body); font-size: .92rem; }
.lb-count { font-family: var(--f-mono); font-size: .74rem; color: var(--steel); }
.lb-actions { display: flex; gap: 8px; }
.lb-btn {
  min-width: 44px;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line-2);
  background: none;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .2s var(--ease-out), transform .12s var(--ease-out);
}
.lb-btn:hover { border-color: var(--paper); }
.lb-btn:active { transform: scale(.96); }

/* ---------- Entrada inicial ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js .hero-title .line > span { animation: rise .9s var(--ease-out) both; }
  .js .hero-title .line:nth-child(2) > span { animation-delay: .08s; }
  .js .hero-lede { animation: fade-up .8s var(--ease-out) .25s both; }
  .js .actions { animation: fade-up .8s var(--ease-out) .35s both; }
  .js .piece use { transform-box: fill-box; animation: assemble 1.1s var(--ease-out) both; }
  .js .piece-s use { --fx: -7px; --fy: 6px; animation-delay: .15s; }
  .js .piece-m use { --fx: 7px; --fy: -6px; animation-delay: .25s; }
  .js .piece-w use { --fx: 10px; --fy: 4px; animation-delay: .38s; }
}
@keyframes rise { from { transform: translateY(105%); } }
@keyframes fade-up { from { opacity: 0; transform: translateY(14px); } }
@keyframes assemble { from { opacity: 0; transform: translate(var(--fx), var(--fy)); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
  }
  .js .rv { clip-path: none; }
  .js .rv img { transform: none; }
}