/* =========================================================
   CO-HUB · Landing
   Paleta extraída de CO-HUB_Pres.pdf
   ========================================================= */
:root {
  /* Color — fuente: presentación */
  --color-mint: #7EF0B2;          /* títulos, barras, bloques destacados */
  --color-mint-logo: #0BF49A;     /* verde del logotipo oficial */
  --color-mint-soft: #CCF0DC;     /* anillo intermedio (diagrama de círculos) */
  --color-mint-tint: #F1FDF8;     /* tarjetas claras, pills */
  --color-duo-dark: #1E4F35;      /* sombras del duotono fotográfico */
  --color-black: #000000;         /* bloques negros, cabeceras */
  --color-ink: #212121;           /* fondo de "Nuestra visión" */
  --color-white: #FFFFFF;
  --color-gray: #5C5C5C;          /* texto de apoyo */
  --color-gray-soft: #EEEEEE;     /* anillo exterior */

  /* Roles */
  --color-background: var(--color-white);
  --color-surface: var(--color-mint-tint);
  --color-text: var(--color-black);
  --color-text-muted: var(--color-gray);
  --color-primary: var(--color-mint);
  --color-accent: var(--color-black);

  /* Tipografía */
  --font-body: "Barlow", system-ui, sans-serif;
  --font-display: "Barlow Semi Condensed", "Barlow", system-ui, sans-serif;

  --fs-display: clamp(2.5rem, .8rem + 4.2vw, 5.25rem);
  --fs-h2: clamp(2.5rem, 1.6rem + 3.8vw, 5rem);
  --fs-h3: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem);
  --fs-lead: clamp(1.125rem, 1rem + .45vw, 1.375rem);
  --fs-body: 1.0625rem;
  --fs-small: .875rem;

  /* Espacio */
  --gutter: clamp(1rem, 4vw, 4rem);
  --section-y: clamp(5rem, 10vw, 9rem);
  --max: 1320px;
  --radius-pill: 999px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
strong { font-weight: 700; }
:focus-visible { outline: 3px solid var(--color-mint-logo); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
section[id] { scroll-margin-top: 72px; }

/* ---------- Componentes tipográficos ---------- */
.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-text);
}
.eyebrow--mint { color: var(--color-mint); }
.eyebrow--white { color: var(--color-white); }
.eyebrow--dark { color: var(--color-black); }

.title-mint, .title-xl, .title-sm, .statement, .hero__title, .vision__title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  line-height: .95;
  letter-spacing: -.005em;
}
.title-mint { font-size: var(--fs-h2); color: var(--color-mint); }
.title-xl { font-size: clamp(2.25rem, 1.3rem + 3.4vw, 4.5rem); }
.title-sm { font-size: var(--fs-h3); }

.section-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: .75rem;
}
.section-num::before { content: ""; display: inline-block; width: 2.25rem; height: .5rem; background: var(--color-mint); margin-right: .6rem; vertical-align: middle; }
.section-num--inline { display: inline; margin: 0 .5rem 0 0; }
.section-num--inline::before { display: none; }
.section-num--light { color: var(--color-white); }
.section-num--dark::before { background: var(--color-black); }

.section-head { max-width: 62rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section-head--row { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; flex-wrap: wrap; }
.section-head--row .section-lead { max-width: 26rem; margin-top: 0; }
.section-lead { margin-top: 1.25rem; font-size: var(--fs-lead); color: var(--color-text-muted); max-width: 46rem; line-height: 1.45; }

/* Resaltado: barra menta detrás del texto */
.mark {
  background: linear-gradient(transparent 58%, var(--color-mint) 58%, var(--color-mint) 92%, transparent 92%);
  padding-inline: .05em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.u-line { text-decoration: line-through; text-decoration-thickness: .09em; text-decoration-color: var(--color-mint); }

/* ---------- Botones (esquinas rectas, como los bloques de la presentación) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
  font-size: .95rem; text-decoration: none;
  padding: 1rem 1.6rem; border: 2px solid var(--color-black);
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.btn--dark { background: var(--color-black); color: var(--color-white); }
.btn--dark:hover { background: var(--color-mint); color: var(--color-black); }
.btn--outline { background: transparent; color: var(--color-black); }
.btn--outline:hover { background: var(--color-black); color: var(--color-white); }
.btn--sm { padding: .55rem 1rem; font-size: .8rem; }
.btn--lg { padding: 1.25rem 2.5rem; font-size: 1.15rem; }
.btn::after { content: "→"; font-family: var(--font-body); transition: transform .25s var(--ease); }
.btn--sm::after { display: none; }
.btn:hover::after { transform: translateX(4px); }

/* ---------- Tratamientos fotográficos ---------- */
/* Duotono verde: fondo menta + foto en grises multiplicada + sombras levantadas a verde oscuro */
.duo { position: relative; background: var(--color-mint); overflow: hidden; isolation: isolate; }
.duo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1) brightness(1.08); mix-blend-mode: multiply; }
.duo::after { content: ""; position: absolute; inset: 0; background: var(--color-duo-dark); mix-blend-mode: screen; pointer-events: none; }

/* Blanco y negro oscurecido (fotos de la alianza) */
.mono { position: relative; background: var(--color-black); overflow: hidden; }
.mono img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); opacity: .75; transition: transform .8s var(--ease), opacity .4s; }

/* Multiplicado sobre fondo menta (sección financiadores) */
.mult { background: var(--color-mint); overflow: hidden; }
.mult img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.15); mix-blend-mode: multiply; }

/* ---------- NAV ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.is-scrolled { border-bottom-color: var(--color-gray-soft); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__logo img { height: 42px; width: auto; }
.nav__menu { display: flex; align-items: center; gap: 1.75rem; }
.nav__menu a:not(.btn) { font-family: var(--font-display); font-weight: 600; font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; text-decoration: none; position: relative; }
.nav__menu a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 3px; background: var(--color-mint); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav__menu a:not(.btn):hover::after { transform: scaleX(1); }
.nav__toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.nav__toggle span:not(.sr-only) { display: block; height: 3px; background: var(--color-black); margin: 6px 0; transition: transform .3s var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(4.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-of-type(3) { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- 01 HERO ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  min-height: min(calc(100svh - 72px), 920px);
}
.hero__text {
  display: flex; flex-direction: column; justify-content: center; gap: 1.75rem;
  padding: clamp(3rem, 7vw, 6rem) clamp(2rem, 5vw, 5rem) clamp(5rem, 8vw, 7rem) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
}
.hero__text .eyebrow { color: var(--color-gray); }
.hero__title { font-size: var(--fs-display); }
.hero__lead { font-size: var(--fs-lead); color: var(--color-text-muted); max-width: 36rem; line-height: 1.45; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero__media { min-height: 420px; }
.hero__audience {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--color-black); color: var(--color-white);
}
.hero__audience li {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  font-size: clamp(1rem, .8rem + .8vw, 1.5rem);
  padding: 1.25rem var(--gutter);
  border-left: 1px solid #333;
  display: flex; align-items: center; gap: .75rem;
}
.hero__audience li::before { content: ""; width: 1.5rem; height: .4rem; background: var(--color-mint); flex: none; }

/* ---------- PREGUNTA ---------- */
.question { position: relative; overflow: hidden; background: var(--color-ink); color: var(--color-white); padding-block: clamp(5rem, 12vw, 10rem); }
.question .wrap { position: relative; z-index: 1; }
.question__text {
  margin-top: 1.5rem; max-width: 60rem;
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(1.9rem, 1.1rem + 3.2vw, 4rem); line-height: 1.02;
}
.question__ask { display: block; color: var(--color-mint); margin-top: .4em; }
.question__burst { position: absolute; right: -4%; top: 50%; height: 130%; transform: translateY(-50%); opacity: .12; }

/* ---------- 02 PROBLEMA ---------- */
.problem__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.barriers { counter-reset: barrier; border-top: 2px solid var(--color-black); }
.barrier {
  display: grid; grid-template-columns: 4.5rem 1fr; align-items: center; gap: 1.25rem;
  padding: 1.35rem 0; border-bottom: 1px solid #D9D9D9;
  font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem); line-height: 1.3;
}
.barrier__bar { height: .75rem; background: var(--color-mint); transform-origin: left; transform: scaleX(0); transition: transform .9s var(--ease) .15s; }
.barrier.is-in .barrier__bar { transform: scaleX(1); }
.barrier__text strong { font-weight: 700; }
.problem__visual { position: relative; padding-bottom: 4rem; }
.problem__photo { aspect-ratio: 16 / 10; }
.quote-block {
  position: relative; margin: -4rem 0 0 clamp(1rem, 6vw, 5rem);
  background: var(--color-black); color: var(--color-white);
  padding: clamp(1.75rem, 3vw, 2.5rem); display: grid; grid-template-columns: auto 1fr; gap: 1.5rem; align-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem); line-height: 1.25;
}
.quote-block__burst { width: clamp(2.5rem, 4vw, 3.5rem); }

/* ---------- 03 LA IDEA ---------- */
.idea { background: var(--color-mint-tint); padding-bottom: var(--section-y); }
.idea__statement { padding-block: clamp(5rem, 12vw, 10rem) clamp(3rem, 7vw, 6rem); }
.statement { margin-top: 1.5rem; font-size: clamp(2.5rem, 1.2rem + 5.2vw, 6.25rem); max-width: 18ch; line-height: .98; }
.idea__body { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
.idea__photo { aspect-ratio: 3 / 2; }
.idea__copy { display: grid; gap: 1.25rem; font-size: var(--fs-lead); line-height: 1.5; color: #333; }
.idea__copy .lead { color: var(--color-black); }
.pills { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .75rem; }
.pills li {
  font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: .85rem; letter-spacing: .04em;
  padding: .6rem 1.1rem; border: 1.5px solid var(--color-black); border-radius: var(--radius-pill); background: var(--color-white);
}

/* Costos de transacción */
.costs { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: clamp(2rem, 4vw, 3rem); margin-top: clamp(4rem, 9vw, 7rem); padding-top: 2.5rem; background: linear-gradient(var(--color-black), var(--color-black)) var(--gutter) 0 / calc(100% - 2 * var(--gutter)) 2px no-repeat; }
.costs__intro p { margin-top: 1rem; font-size: var(--fs-lead); color: #333; }
.costs__kind { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: var(--fs-small); color: var(--color-gray); margin-bottom: .75rem; }
.costs__list li {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.75rem); line-height: 1.05;
  display: flex; align-items: center; gap: .75rem;
}
.costs__list li::before { content: "−"; color: var(--color-mint-logo); font-weight: 700; width: .7em; }

/* ---------- 04 ¿QUÉ ES? ---------- */
.what__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: end; }
.what__claim { margin-top: 1.5rem; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.6rem, 1.1rem + 2vw, 2.75rem); line-height: 1.1; max-width: 22ch; }
.who-list { margin-top: 1rem; border-top: 2px solid var(--color-black); }
.who-list li {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(1.75rem, 1.2rem + 2vw, 3rem); line-height: 1; padding: .9rem 0; border-bottom: 1px solid #D9D9D9;
  display: flex; justify-content: space-between; align-items: center;
}
.who-list li::after { content: ""; width: 2.5rem; height: .6rem; background: var(--color-mint); }
.what__stages { margin-top: 1rem; font-size: var(--fs-lead); color: var(--color-gray); }

.ecosystem { margin-top: clamp(4rem, 9vw, 7rem); display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 3rem; align-items: center; }
.ecosystem__text { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: clamp(1.5rem, 1rem + 1.6vw, 2.25rem); line-height: 1.1; }
.venn { position: relative; aspect-ratio: 1.45; max-width: 620px; width: 100%; justify-self: end; }
.venn__c {
  position: absolute; width: 56%; aspect-ratio: 1; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(.85rem, .6rem + .8vw, 1.15rem); letter-spacing: .03em;
  transition: transform 1s var(--ease);
}
.venn__c--1 { left: 0; top: 0; background: var(--color-gray-soft); padding-right: 12%; padding-bottom: 14%; }
.venn__c--2 { right: 0; top: 0; background: var(--color-mint-soft); mix-blend-mode: multiply; padding-left: 12%; padding-bottom: 14%; }
.venn__c--3 { left: 22%; bottom: 0; background: var(--color-mint); mix-blend-mode: multiply; padding-top: 18%; }
.ecosystem:not(.is-in) .venn__c--1 { transform: translate(-12%, -6%); }
.ecosystem:not(.is-in) .venn__c--2 { transform: translate(12%, -6%); }
.ecosystem:not(.is-in) .venn__c--3 { transform: translateY(12%); }

/* ---------- 05 QUÉ COMPARTIMOS ---------- */
.share { background: var(--color-white); border-top: 1px solid var(--color-gray-soft); }
.layers { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(.75rem, 1.5vw, 1.25rem); }
.layer { border: 2px solid var(--color-black); background: var(--color-white); display: flex; flex-direction: column; }
.layer__head {
  background: var(--color-black); color: var(--color-white);
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.25rem, 1rem + .9vw, 1.75rem); letter-spacing: .02em;
  padding: 1.1rem 1.5rem; text-align: center;
}
.layer--mint { border-color: var(--color-mint); background: var(--color-mint-tint); }
.layer--mint .layer__head { background: var(--color-mint); color: var(--color-black); }
.bar-list { padding: 1.75rem 1.5rem 2rem; display: grid; gap: .8rem; }
.bar-list li { display: grid; grid-template-columns: 1.6rem 1fr; gap: .8rem; align-items: baseline; font-size: 1.075rem; line-height: 1.3; }
.bar-list li::before { content: ""; height: .45rem; background: var(--color-mint); transform: translateY(-.1em); }
.layer--mint .bar-list li::before { background: var(--color-black); }
.layers__base {
  grid-column: 1 / -1; position: relative;
  background: var(--color-black); color: var(--color-white);
  display: flex; align-items: center; justify-content: center; gap: 1rem;
  padding: 1.4rem 1.5rem; font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(1.15rem, .9rem + 1vw, 1.75rem); letter-spacing: .05em;
}
.layers__base img { height: 2rem; }
.layers__base::before { /* conectores: las tres capas descansan sobre la base */
  content: ""; position: absolute; left: 16.66%; right: 16.66%; top: calc(-1 * clamp(.75rem, 1.5vw, 1.25rem));
  height: clamp(.75rem, 1.5vw, 1.25rem);
  background: linear-gradient(90deg, var(--color-mint) 0 4px, transparent 4px calc(50% - 2px), var(--color-mint) calc(50% - 2px) calc(50% + 2px), transparent calc(50% + 2px) calc(100% - 4px), var(--color-mint) calc(100% - 4px));
}

/* ---------- 06 MODELO ---------- */
.model { background: var(--color-black); color: var(--color-white); overflow: hidden; }
.model__grid { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.model__copy .eyebrow { margin-top: 1.5rem; }
.model__lead { margin-top: 1.25rem; font-size: var(--fs-lead); color: #CFCFCF; line-height: 1.5; max-width: 30rem; }
.model__now {
  margin-top: 2.5rem; display: flex; align-items: baseline; gap: 1rem;
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.75rem); line-height: 1; min-height: 2.2em;
}
.model__now [data-cycle-num] { color: var(--color-mint); }
.cycle { position: relative; width: 100%; max-width: 760px; justify-self: center; }
.cycle svg { width: 100%; height: auto; overflow: visible; display: block; }
.cycle__seg { fill: #1C1C1C; stroke: #3A3A3A; stroke-width: 1; cursor: pointer; transition: fill .45s var(--ease); }
.cycle__seg.is-active { fill: var(--color-mint); stroke: var(--color-mint); }
.cycle__num { font-family: var(--font-display); font-weight: 800; font-size: 36px; fill: var(--color-mint); pointer-events: none; transition: fill .45s; }
.cycle__num.is-active { fill: var(--color-black); }
.cycle__label { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 22px; letter-spacing: .03em; fill: #BDBDBD; transition: fill .45s; pointer-events: none; }
.cycle__label.is-active { fill: var(--color-white); }
.cycle__core { fill: var(--color-mint); }
.cycle__core-text { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: 30px; fill: var(--color-black); }
.cycle__list, .cycle__loop { display: none; }
.cycle.is-svg .cycle__list, .cycle.is-svg .cycle__loop { display: none; }

/* ---------- 06b PROPÓSITO COMPARTIDO (círculos concéntricos) ---------- */
.tiers { --ring-outer: var(--color-gray-soft); --ring-middle: var(--color-mint-soft); --ring-inner: var(--color-mint); }
.tiers__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr) minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  column-gap: 0; row-gap: 2.5rem; align-items: start;
}
.tier--outer { grid-column: 1; grid-row: 1; margin-top: 3rem; }
.tier--outer .tier__arrow { margin-right: -9rem; }
.tier--inner { grid-column: 1; grid-row: 3; align-self: end; margin-bottom: 1rem; }
.tier--inner .tier__arrow { margin-right: -8.5rem; }
.tier--middle { grid-column: 3; grid-row: 1 / 4; align-self: center; }
.tier--middle { padding-left: 5rem; }
.tier--middle .tier__arrow { margin-left: -10rem; }
.rings { grid-column: 2; grid-row: 1 / 4; align-self: center; position: relative; display: grid; place-items: center; aspect-ratio: 1; width: 116%; max-width: 700px; justify-self: center; z-index: 0; }
.ring { grid-area: 1 / 1; border-radius: 50%; aspect-ratio: 1; transition: transform .5s var(--ease), box-shadow .3s; }
.ring--outer { width: 100%; background: var(--ring-outer); }
.ring--middle { width: 77%; background: var(--ring-middle); }
.ring--inner { width: 50%; background: var(--ring-inner); }
.ring--core {
  width: 26%; background: var(--color-black); color: var(--color-white);
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-family: var(--font-body); font-weight: 700; font-size: clamp(.8rem, .5rem + .9vw, 1.35rem); line-height: 1.1;
}
.ring.is-hot { box-shadow: 0 0 0 4px var(--color-black); }

.tier { position: relative; z-index: 1; max-width: 22rem; }
.tier--right { justify-self: end; }
.tier__head { display: flex; align-items: center; gap: .9rem; }
.tier__name { font-family: var(--font-body); font-weight: 700; font-size: clamp(1.15rem, 1rem + .5vw, 1.45rem); color: #5FCB95; white-space: nowrap; }
.tier__arrow { flex: 1; height: 3px; position: relative; min-width: 3rem; margin-right: -7rem; }
.tier--right .tier__arrow { margin-right: 0; margin-left: -5rem; }
.tier__arrow::before { content: ""; position: absolute; top: 50%; width: 11px; height: 11px; border: solid currentColor; border-width: 0 0 3px 3px; }
.tier:not(.tier--right) .tier__arrow::before { left: 1px; transform: translateY(-50%) rotate(45deg); }
.tier--right .tier__arrow::before { right: 1px; transform: translateY(-50%) rotate(-135deg); }
.tier--outer .tier__arrow { background: #E2E2E2; color: #E2E2E2; }
.tier--middle .tier__arrow { background: var(--ring-middle); color: var(--ring-middle); }
.tier--inner .tier__arrow { background: var(--ring-inner); color: var(--ring-inner); }
.tier__meta { margin-top: .2rem; font-size: .95rem; color: #333; }
.tier__quote { margin-top: 1rem; font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.25rem, 1rem + .7vw, 1.6rem); line-height: 1.08; }
.tier__with { margin-top: 1.25rem; font-weight: 700; font-size: .95rem; }
.tier__list { padding: .6rem 0 0; gap: .55rem; }
.tier__list li { font-size: .98rem; }
.tier.is-hot .tier__name { color: var(--color-black); }
.tiers__examples { margin-top: clamp(2.5rem, 5vw, 4rem); text-align: center; color: #333; font-size: .98rem; }
.tiers__examples span { font-weight: 700; }

/* ---------- 07 ALIANZA ---------- */
.partners { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(.75rem, 1.5vw, 1.25rem); }
.partner { display: flex; flex-direction: column; background: var(--color-black); color: var(--color-white); }
.partner__photo { aspect-ratio: 4 / 3; }
.partner:hover .mono img { transform: scale(1.04); opacity: .9; }
.partner__body { padding: 1.75rem 1.5rem 2rem; display: grid; gap: 1rem; align-content: start; flex: 1; }
.partner__name { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.35rem, 1.1rem + .8vw, 1.85rem); line-height: 1.02; color: var(--color-mint); }
.tags { display: flex; flex-wrap: wrap; gap: .4rem .9rem; }
.tags li { font-size: 1rem; color: #E6E6E6; display: flex; align-items: center; gap: .9rem; }
.tags li:not(:last-child)::after { content: "·"; color: var(--color-mint); font-weight: 700; }

/* ---------- 08 FINANCIADORES ---------- */
.funders { background: var(--color-mint); }
.funders__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(2rem, 5vw, 4.5rem); }
.funders__head .eyebrow { margin-bottom: 1.25rem; }
.audience-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.audience-chips li { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: .85rem; letter-spacing: .05em; padding: .55rem 1rem; background: var(--color-black); color: var(--color-white); }
.funders__lead { margin-top: 1.5rem; font-size: var(--fs-lead); max-width: 38rem; line-height: 1.45; }
.funders__photo { align-self: stretch; min-height: 320px; border: 2px solid var(--color-black); }
.checks { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 2px solid var(--color-black); margin-top: 1rem; }
.checks li { padding: 1.75rem 1.25rem 1rem 0; font-weight: 600; font-size: 1.05rem; line-height: 1.35; display: grid; gap: 1rem; align-content: start; border-right: 1px solid rgba(0,0,0,.25); padding-left: 1.25rem; }
.checks li:first-child { padding-left: 0; }
.checks li:last-child { border-right: 0; }
.check { width: 3rem; height: 2rem; position: relative; background: var(--color-black); }
.check::after { content: ""; position: absolute; left: 1.1rem; top: .35rem; width: .7rem; height: 1.05rem; border: solid var(--color-mint); border-width: 0 .25rem .25rem 0; transform: rotate(45deg); }

/* ---------- 09 PRINCIPIOS ---------- */
.principle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(.75rem, 1.5vw, 1rem); }
.principle { padding: clamp(1.75rem, 3vw, 2.5rem) clamp(2rem, 4vw, 3.5rem) clamp(2rem, 4vw, 3.5rem); min-height: 18rem; display: flex; flex-direction: column; justify-content: flex-end; gap: 1rem; position: relative; border: 1px solid var(--color-black); }
.principle h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: var(--fs-h3); line-height: 1; color: var(--color-mint); }
.principle p { font-size: var(--fs-lead); line-height: 1.4; max-width: 30rem; }
.principle__n { margin-bottom: auto; align-self: flex-end; font-family: var(--font-display); font-weight: 800; font-size: clamp(3rem, 2rem + 3vw, 5rem); line-height: .8; }
.principle--dark { background: var(--color-black); color: var(--color-white); }
.principle--dark .principle__n { color: #2A2A2A; }
.principle--tint { background: var(--color-mint-tint); }
.principle--tint h3 { color: var(--color-black); }
.principle--tint h3::before { content: ""; display: block; width: 2.25rem; height: .5rem; background: var(--color-mint); margin-bottom: 1rem; }
.principle--tint .principle__n { color: var(--color-mint-soft); }

/* ---------- 10 VISIÓN ---------- */
.vision { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); background: var(--color-ink); color: var(--color-white); min-height: min(90svh, 900px); }
.vision__text {
  display: flex; flex-direction: column; justify-content: center; gap: 2rem;
  padding: clamp(4rem, 9vw, 8rem) clamp(2rem, 5vw, 5rem) clamp(4rem, 9vw, 8rem) max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
}
.vision__title { font-size: clamp(2.25rem, 1.2rem + 3.8vw, 5rem); color: var(--color-mint); line-height: .98; }
.vision__body { font-size: var(--fs-lead); line-height: 1.5; max-width: 38rem; color: #E0E0E0; }
.vision__sign { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; flex-wrap: wrap; margin-top: 1rem; }
.vision__sign img { width: clamp(100px, 10vw, 140px); height: auto; }
.vision__sign p { text-align: right; font-weight: 600; color: #CFCFCF; }
.vision__sign strong { color: var(--color-white); }
.vision__media { min-height: 380px; }

.closing { background: var(--color-white); padding-block: clamp(5rem, 11vw, 9rem); }
.closing__quote { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: clamp(1.75rem, 1rem + 3vw, 3.75rem); line-height: 1.05; max-width: 30ch; color: var(--color-gray); }
.closing__hl { color: var(--color-black); }
.closing__cta { margin-top: 3rem; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }

.footer { background: var(--color-black); color: #BDBDBD; padding-block: 3rem; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.footer__inner img { width: 88px; height: auto; }

/* ---------- Animación de entrada ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], .barrier__bar, .venn__c { transition: none !important; opacity: 1; transform: none !important; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1100px) {
  .nav__toggle { display: block; }
  .nav__menu {
    position: absolute; top: 72px; left: 0; right: 0; background: var(--color-white);
    flex-direction: column; align-items: flex-start; gap: 0; padding: .5rem var(--gutter) 1.5rem;
    border-bottom: 2px solid var(--color-black);
    display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu a:not(.btn) { padding: .85rem 0; width: 100%; border-bottom: 1px solid var(--color-gray-soft); font-size: 1.05rem; }
  .nav__menu .btn { margin-top: 1.25rem; }

  .checks { grid-template-columns: 1fr 1fr; }
  .checks li { border-right: 0; padding-left: 0; border-bottom: 1px solid rgba(0,0,0,.25); padding-bottom: 1.5rem; }
  .checks li:nth-child(odd) { padding-right: 1.5rem; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero__text { padding: 3rem var(--gutter) 3.5rem; }
  .hero__media { min-height: 0; aspect-ratio: 4 / 3; order: -1; }
  .hero__audience { grid-template-columns: 1fr 1fr; }
  .hero__audience li { border-top: 1px solid #333; }

  .problem__grid, .idea__body, .what__grid, .ecosystem, .model__grid, .funders__grid { grid-template-columns: 1fr; }
  .venn { justify-self: center; }
  .costs { grid-template-columns: 1fr 1fr; }
  .costs__intro { grid-column: 1 / -1; }

  .layers, .partners { grid-template-columns: 1fr; }
  .layers__base { order: 99; }
  .layers__base::before { display: none; }
  .layers__base { margin-top: .25rem; }

  .principle-grid { grid-template-columns: 1fr; }

  .tiers__grid { grid-template-columns: 1fr; grid-template-rows: none; row-gap: 0; }
  .tier--outer, .tier--inner, .tier--middle, .rings { grid-column: 1; grid-row: auto; }
  .rings { width: 100%; max-width: 340px; margin-bottom: 2.5rem; order: -1; }
  .tier { max-width: none; justify-self: stretch; margin: 0; padding: 1.75rem 0 1.75rem 1.5rem; border-top: 1px solid #D9D9D9; }
  .tier::before { content: ""; position: absolute; left: 0; top: 1.75rem; bottom: 1.75rem; width: .45rem; }
  .tier--outer::before { background: #DADADA; }
  .tier--middle::before { background: var(--ring-middle); }
  .tier--inner::before { background: var(--ring-inner); }
  .tier--middle { order: 2; } .tier--inner { order: 3; }
  .tier__head { flex-direction: row; }
  .tier__arrow { display: none; }
  .tier__name { white-space: normal; }
  .vision { grid-template-columns: 1fr; }
  .vision__text { padding: 4rem var(--gutter); }
  .vision__media { min-height: 0; aspect-ratio: 16 / 10; }
}

/* Modelo circular: en pantallas angostas pasa a una secuencia vertical */
@media (max-width: 700px) {
  .cycle svg { display: none; }
  .cycle .cycle__list, .cycle.is-svg .cycle__list { display: grid; gap: 6px; counter-reset: step; }
  .cycle__list li {
    position: relative; background: #1C1C1C; color: var(--color-white);
    font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: 1.25rem; letter-spacing: .03em;
    padding: 1.1rem 1.25rem 1.6rem 4rem;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), 50% 100%, 0 calc(100% - 14px));
    transition: background .45s var(--ease), color .45s;
  }
  .cycle__list li::before { content: attr(data-step) "."; position: absolute; left: 1.25rem; top: 1.1rem; color: var(--color-mint); }
  .cycle__list li.is-active { background: var(--color-mint); color: var(--color-black); }
  .cycle__list li.is-active::before { color: var(--color-black); }
  .cycle .cycle__loop, .cycle.is-svg .cycle__loop {
    display: flex; align-items: center; gap: .75rem; margin-top: 1rem;
    font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--color-mint);
  }
  .cycle__loop::before { content: "↻"; font-size: 1.75rem; line-height: 1; }
  .model__now { display: none; }
}

@media (max-width: 560px) {
  .barrier { grid-template-columns: 2.5rem 1fr; gap: 1rem; }
  .quote-block { margin-left: 0; margin-top: -2rem; grid-template-columns: 1fr; gap: 1rem; }
  .problem__visual { padding-bottom: 0; }
  .costs { grid-template-columns: 1fr; }
  .checks { grid-template-columns: 1fr; }
  .checks li:nth-child(odd) { padding-right: 0; }
  .hero__audience li { padding: 1rem var(--gutter); }
  .principle { min-height: 0; }
  .vision__sign { flex-direction: column; align-items: flex-start; }
  .vision__sign p { text-align: left; }
  .closing__cta .btn { width: 100%; }
}