/* ===== Fuentes autoalojadas (Poppins, SIL OFL — ver fonts/OFL.txt) ===== */
@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("../fonts/poppins-300.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/poppins-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/poppins-500.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/poppins-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ===== Tokens (paleta inspirada en ledup.pt) ===== */
:root {
  --clr-bg: #f6f6f6;
  --clr-white: #fff;
  --clr-main: #4b423b;
  --clr-main-900: #3b352f;
  /* Texto pequeño: ≥ 4.5:1 sobre #fff, #f6f6f6 y el degradado del hero (#e2dedb). */
  --clr-main-700: #68615a;
  /* Gráficos (nodos). No usar en texto pequeño. */
  --clr-main-600: #a1948c;
  /* Texto grande del hero: ≥ 3:1 sobre los mismos fondos claros. */
  --clr-text-accent: #827870;
  --clr-main-400: #beb5ae;
  --clr-main-300: #e2dedb;
  --clr-main-200: #efeded;
  --clr-main-100: #f5f4f4;

  --font: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius-pill: 999px;
  --radius-card: 24px;
  --container: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 300;
  color: var(--clr-main);
  background: var(--clr-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5 { margin: 0; font-weight: 500; color: var(--clr-main-900); line-height: 1.15; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--clr-main-900);
  outline-offset: 3px;
}
.footer :focus-visible,
.cta :focus-visible,
.editorial--dark :focus-visible,
.tech-band :focus-visible {
  outline-color: var(--clr-white);
}
.lang__btn:focus-visible { outline-offset: 2px; }
main:focus,
main:focus-visible,
section:focus,
section:focus-visible { outline: none; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--clr-main-900);
  color: var(--clr-white);
  font-size: .95rem;
  font-weight: 500;
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

html.nav-open,
html.nav-open body { overflow: hidden; }

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

.eyebrow {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--clr-main-700);
  margin-bottom: 14px;
}

/* ===== Botones ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  background: var(--clr-main);
  color: var(--clr-white);
  font-weight: 400;
  font-size: .95rem;
  border: 1px solid var(--clr-main);
  transition: background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.btn:hover { background: var(--clr-main-900); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--clr-main); }
.btn--ghost:hover { background: var(--clr-main); color: var(--clr-white); }
.btn--light { background: var(--clr-white); color: var(--clr-main); border-color: var(--clr-white); }
.btn--light:hover { background: var(--clr-main-200); }
.btn--small { padding: 9px 20px; font-size: .88rem; }

/* ===== Header (efecto cristal) ===== */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding-block: 18px;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease);
}
.header.is-scrolled {
  padding-block: 12px;
  box-shadow: 0 1px 0 var(--clr-main-300);
}
/* El blur va en un pseudo, no en el header: backdrop-filter en el ancestro
   convierte el header en containing block y el menú fixed solo ocupa su altura. */
.header.is-scrolled::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(246, 246, 246, .64);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header__inner { display: flex; align-items: center; }
.header__inner .logo { margin-right: auto; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -.01em;
  color: var(--clr-main-900);
}
.logo__mark { position: relative; width: 30px; height: 18px; }
.logo__mark i {
  position: absolute;
  top: 3px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--clr-main);
}
.logo__mark i:first-child { left: 0; }
.logo__mark i:last-child { right: 0; background: var(--clr-main-600); }
.logo__mark::before {
  content: "";
  position: absolute;
  left: 6px; right: 6px; top: 8px;
  height: 2px;
  background: var(--clr-main-400);
}
.logo--light { color: var(--clr-white); }
.logo--light .logo__mark i:first-child { background: var(--clr-white); }

.nav { display: flex; align-items: center; gap: 32px; font-size: .95rem; }
.nav a:not(.btn) { position: relative; }
.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.nav a:not(.btn):hover::after,
.nav a[aria-current="true"]:not(.btn)::after { transform: scaleX(1); transform-origin: left; }
.nav a.btn[aria-current="true"] {
  background: var(--clr-main-900);
  border-color: var(--clr-main-900);
}

/* Selector de idioma */
.header__end { display: flex; align-items: center; gap: 12px; }
.lang {
  display: inline-flex;
  padding: 3px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--clr-main-300);
  background: rgba(255, 255, 255, .5);
}
.lang__btn {
  border: 0;
  background: transparent;
  color: var(--clr-main-700);
  font: 500 .75rem/1 var(--font);
  letter-spacing: .06em;
  padding: 8px 10px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease);
}
.lang__btn { display: inline-flex; align-items: center; gap: 6px; }
.lang__btn:hover { color: var(--clr-main-900); }
.flag {
  width: 18px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .08);
}
.lang__btn[aria-pressed="true"] .flag { box-shadow: 0 0 0 1px rgba(255, 255, 255, .4); }
.lang__btn[aria-pressed="true"] { background: var(--clr-main); color: var(--clr-white); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 0; border-radius: 50%;
  background: var(--clr-main);
  cursor: pointer;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 13px; right: 13px;
  height: 1.5px;
  background: var(--clr-white);
  transition: transform .3s var(--ease);
}
.nav-toggle span:first-child { top: 18px; }
.nav-toggle span:last-child { top: 25px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  /* svh no cambia cuando la barra de iOS se oculta; el fallback en px tampoco. */
  min-height: 720px;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  contain: paint;
  padding-block: 140px 80px;
  background-color: var(--clr-bg);
  background-image:
    radial-gradient(circle at 85% 20%, var(--clr-main-300), transparent 45%),
    radial-gradient(circle at 10% 90%, var(--clr-main-200), transparent 40%);
  background-attachment: scroll;
  background-repeat: no-repeat;
}
.hero__inner { position: relative; z-index: 1; }
.hero__title {
  font-size: clamp(2.4rem, 6.5vw, 5rem);
  font-weight: 500;
  letter-spacing: -.03em;
  max-width: 14ch;
}
.hero__title span { color: var(--clr-text-accent); font-weight: 300; }
.hero__text {
  margin-top: 28px;
  max-width: 560px;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--clr-main-700);
}
.hero__actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }

/* Red de dos nodos. Tamaño en px y position absolute dentro del hero: no usa vh ni translate de layout. */
.hero__graph {
  position: absolute;
  z-index: 0;
  top: 0;
  bottom: 0;
  right: 24px;
  width: 440px;
  height: 440px;
  margin-block: auto;
  pointer-events: none;
}
.hero__svg { display: block; width: 100%; height: 100%; overflow: hidden; }
.hero__edge {
  fill: none;
  stroke: var(--clr-main-600);
  stroke-width: 1.5;
  stroke-linecap: round;
}
.hero__edge--soft { opacity: .45; }
.hero__pulse {
  fill: none;
  stroke: var(--clr-main-900);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 7 100;
  animation: hero-packet 10s ease-in-out infinite;
}
.hero__dot { transform-box: fill-box; transform-origin: center; }
.hero__dot--a { fill: var(--clr-main); animation: hero-breathe 9s ease-in-out infinite; }
.hero__dot--b { fill: var(--clr-main-400); animation: hero-breathe 11s ease-in-out infinite; animation-delay: -4s; }
.hero__dot--c { fill: var(--clr-main-600); animation: hero-breathe 8s ease-in-out infinite; animation-delay: -2s; }
@keyframes hero-packet {
  0% { stroke-dashoffset: 7; opacity: .15; }
  14% { opacity: .85; }
  86% { opacity: .85; }
  100% { stroke-dashoffset: -100; opacity: .15; }
}
@keyframes hero-breathe {
  0%, 100% { transform: scale(1); opacity: .9; }
  50% { transform: scale(1.03); opacity: 1; }
}
/* ===== Secciones ===== */
.section { padding-block: clamp(80px, 12vw, 140px); }
.section--alt { background: var(--clr-white); }
.section__head { margin-bottom: clamp(40px, 6vw, 64px); max-width: 640px; }
.section__head h2 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.02em; }

/* Servicios: bandas editoriales a sangre, claro / oscuro */
.section--services { padding-bottom: 0; }
.section--services .section__head { margin-bottom: clamp(36px, 5vw, 56px); }

.editorial {
  background: var(--clr-white);
  padding-block: clamp(56px, 8vw, 104px);
}
.editorial--dark {
  background: var(--clr-main);
  color: var(--clr-main-200);
}
.editorial__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
}
.editorial--dark .editorial__grid {
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
}
.editorial--dark .editorial__challenge { grid-column: 2; }
.editorial--dark .editorial__solution { grid-column: 1; grid-row: 1; }
.editorial__num { margin-right: .65em; }
.editorial h3 {
  font-size: clamp(1.9rem, 3.8vw, 3.15rem);
  letter-spacing: -.03em;
  max-width: 16ch;
}
.editorial__solution .eyebrow { margin-bottom: 12px; }
.editorial__solution p:last-child {
  max-width: 42ch;
  font-size: 1.05rem;
  color: var(--clr-main-700);
}
.editorial--dark h3,
.editorial--dark .editorial__solution p:last-child { color: var(--clr-white); }
.editorial--dark .eyebrow { color: var(--clr-main-400); }
.editorial--dark .editorial__solution p:last-child { color: var(--clr-main-200); }

/* Perfiles asimétricos */
.about__intro { margin-top: 16px; color: var(--clr-main-700); }
.profile {
  display: grid;
  grid-template-columns: minmax(220px, 5fr) minmax(0, 7fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
}
.profile + .profile {
  margin-top: clamp(48px, 7vw, 88px);
  padding-top: clamp(48px, 7vw, 88px);
  border-top: 1px solid var(--clr-main-300);
}
.profile--flip { grid-template-columns: minmax(0, 7fr) minmax(220px, 5fr); }
.profile--flip .profile__visual { order: 2; }
.profile__visual { min-width: 0; }
.profile__photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-card);
}
.profile h3 { margin-bottom: 8px; font-size: clamp(1.6rem, 2.6vw, 2.2rem); }
.profile__role {
  margin-bottom: 18px;
  color: var(--clr-main-700);
  font-weight: 500;
  font-size: 1rem;
}
.profile__copy > p:not(.profile__role):not(.profile__label) { color: var(--clr-main-700); max-width: 58ch; }
.profile__label {
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--clr-main-700);
}
.profile__skills { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.profile__skills li { font-weight: 500; font-size: .95rem; color: var(--clr-main-900); }

/* Pasos */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
.steps::before {
  content: "";
  position: absolute;
  left: 8px; right: 0; top: 8px;
  height: 1px;
  background: var(--clr-main-300);
}
.step { position: relative; }
.step__dot {
  display: block;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--clr-main);
  box-shadow: 0 0 0 6px var(--clr-white);
  margin-bottom: 28px;
  position: relative;
}
.step h4 { font-size: 1.2rem; margin-bottom: 10px; }
.step p { color: var(--clr-main-700); font-size: .95rem; }

/* Tecnologías: una banda horizontal de nombres */
.tech-band {
  background: var(--clr-main-900);
  color: var(--clr-main-200);
  padding-block: clamp(36px, 5vw, 56px);
}
.tech-band .eyebrow { color: var(--clr-main-400); }
.tech-band h2 {
  color: var(--clr-white);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  letter-spacing: -.02em;
  margin-bottom: 22px;
}
.tech-scroller {
  overflow-x: auto;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  padding-bottom: 4px;
  scrollbar-color: var(--clr-main-400) transparent;
}
.tech-strip {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0;
  width: max-content;
  min-width: 100%;
}
.tech-strip li {
  font-weight: 500;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  letter-spacing: .03em;
  color: var(--clr-white);
  white-space: nowrap;
}
.tech-strip li:not(:last-child)::after {
  content: "·";
  margin-inline: .85em;
  color: var(--clr-main-400);
  font-weight: 300;
}

/* CTA */
.cta { padding-block: clamp(80px, 12vw, 140px); background: var(--clr-main); color: var(--clr-main-300); text-align: center; }
.cta__inner { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.cta h2 { color: var(--clr-white); font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.02em; max-width: 18ch; }
.cta p { max-width: 480px; margin-bottom: 12px; }

/* Footer */
.footer { background: var(--clr-main-900); color: var(--clr-main-400); padding-top: 64px; font-size: .92rem; }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; padding-bottom: 48px; }
.footer__tagline { margin-top: 12px; max-width: 280px; }
.footer__cols { display: flex; gap: clamp(40px, 8vw, 96px); flex-wrap: wrap; }
.footer__cols div { display: flex; flex-direction: column; gap: 8px; }
.footer h5 { color: var(--clr-white); font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; }
.footer a:hover { color: var(--clr-white); }
.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-block: 24px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .82rem;
}

/* ===== Animación de aparición ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
/* El texto del hero no usa translate: si no, se separa de los nodos al entrar o al hacer scroll. */
.hero .reveal { transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav { transition: none; }
  .hero__dot,
  .hero__pulse { animation: none; }
  .hero__pulse { opacity: 0; }
  .hero__dot--a,
  .hero__dot--b { opacity: .9; }
  .hero__dot--c { opacity: .7; }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .editorial__grid,
  .editorial--dark .editorial__grid { grid-template-columns: 1fr; }
  .editorial--dark .editorial__challenge,
  .editorial--dark .editorial__solution { grid-column: auto; grid-row: auto; }
  .editorial h3 { max-width: 20ch; }
  .profile,
  .profile--flip { grid-template-columns: 1fr; }
  .profile__visual { max-width: 420px; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .steps::before { display: none; }
  .hero__graph {
    top: 72px;
    bottom: auto;
    margin-block: 0;
    right: -72px;
    width: 280px;
    height: 280px;
    opacity: .34;
  }
}

@media (max-width: 720px) {
  /* El hero mide su contenido: el fondo y los nodos se van con el texto, sin banda de 100vh. */
  .hero {
    min-height: 0;
    align-items: flex-start;
    /* Hueco fijo bajo los botones: el gráfico cabe entero sin usar vh. */
    padding-block: 116px 292px;
  }
  .hero__graph {
    top: auto;
    bottom: 16px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 260px;
    height: 260px;
    opacity: 1;
  }
  .hero__edge { stroke-width: 2.25; }
  .hero__pulse {
    stroke-width: 10;
    stroke-dasharray: 14 100;
  }
  .header { padding-block: 22px; }
  .header.is-scrolled { padding-block: 16px; }
  .logo { font-size: 1.05rem; gap: 8px; }
  .logo__mark { width: 26px; height: 16px; }
  .logo__mark i { width: 10px; height: 10px; }
  .logo__mark::before { top: 7px; }
  .header__end { position: relative; z-index: 2; }
  .nav-toggle { display: block; }
  .flag { display: none; }
  .nav .lang { margin-top: 8px; }
  .nav {
    position: fixed;
    z-index: 1;
    inset: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    margin: 0;
    font-size: 1.4rem;
    background: rgba(246, 246, 246, .96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .35s var(--ease), visibility .35s;
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .steps { grid-template-columns: 1fr; }
}