/* =========================================================
   FLOWBIT — Sistema de diseño web
   Tokens derivados de los documentos oficiales de marca:
   Estrategia de Marca · Identidad Verbal · Sistema Cromático ·
   Sistema Tipográfico  (Fase 3 — versión reconciliada)
   ========================================================= */

:root {
  /* Color — núcleo (proporción 70 / 20 / 10) */
  --navy: #0A1340;          /* Nivel 1 — dominante: fondos, logotipo, texto máximo */
  --cobalt: #2451D6;        /* Nivel 2 — secundario: CTA, enlaces, interacción */
  --white: #FFFFFF;
  --gray-mid: #A9ACB4;      /* Nivel 3 — estructura, nunca texto sobre blanco */

  /* Color — apoyo */
  --steel: #6E8CB8;         /* fondos de tarjeta, hover suave */
  --teal-deep: #0E4C4A;     /* exclusivo: indicador positivo de datos */
  --black-soft: #14161C;    /* fondos oscuros de gran superficie digital */
  --platinum: #EEF0F4;      /* fondo alterno de sección */

  /* Degradado de énfasis — máx. 2 tonos, misma familia azul, 100–135°, solo digital */
  --gradient-emphasis: linear-gradient(120deg, var(--navy) 0%, #12206b 45%, var(--cobalt) 100%);
  --gradient-radial: radial-gradient(120% 140% at 15% 10%, #16215c 0%, var(--navy) 55%, #060a24 100%);

  /* Funcional */
  --green: #22C55E;
  --amber: #F5A623;
  --red: #EF4444;

  /* Tipografía — familias (Söhne se sustituye por Switzer, alternativa gratuita documentada) */
  --font-display: 'Inter Tight', 'Switzer', sans-serif;   /* Display / H1 / H2 */
  --font-body: 'Inter', sans-serif;                        /* UI / producto / cuerpo web */
  --font-editorial: 'Switzer', 'Inter', sans-serif;        /* Editorial de firma — blog, citas */
  --font-mono: 'IBM Plex Mono', monospace;                 /* Datos / cifras / código */

  /* Tipografía — escala */
  --fs-display: clamp(2.75rem, 2vw + 2.3rem, 4rem);     /* 64px */
  --fs-h1: clamp(2.25rem, 1.6vw + 1.9rem, 2.75rem);     /* 44px */
  --fs-h2: clamp(1.6rem, .8vw + 1.4rem, 2rem);          /* 32px */
  --fs-h3: 1.5rem;                                       /* 24px */
  --fs-h4: 1.25rem;                                      /* 20px */
  --fs-body-lg: 1.125rem;                                /* 18px */
  --fs-body: 1rem;                                       /* 16px */
  --fs-body-sm: .875rem;                                 /* 14px */
  --fs-label: .8125rem;                                  /* 13px */
  --fs-mono: .875rem;                                    /* 13–14px */

  /* Espaciado */
  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
  --space-2xl: 8rem;

  /* Layout */
  --maxw: 1280px;
  --radius: 6px;
  --radius-lg: 14px;
  --border: 1px solid rgba(10,19,64,.10);

  /* Sombra funcional — solo interfaz digital, calculada sobre Navy con opacidad baja */
  --shadow-1: 0 1px 3px rgba(10,19,64,.08);
  --shadow-2: 0 10px 30px -8px rgba(10,19,64,.20);
  --shadow-3: 0 24px 60px -12px rgba(10,19,64,.32);

  /* Motion */
  --ease: cubic-bezier(.4,0,.2,1);
  --ease-out-expo: cubic-bezier(.16,1,.3,1);

  /* Alias de compatibilidad — nombres de tokens usados en versiones anteriores del sitio,
     mapeados a la paleta oficial reconciliada para que ningún estilo inline se rompa. */
  --flow-blue: var(--cobalt);
  --indigo-bit: var(--navy);
  --deep-black: var(--navy);
  --light-blue: #6FEAD0;
  --violet-data: var(--cobalt);
  --cyan-signal: var(--teal-deep);
  --graphite: var(--navy);
  --mid-gray: var(--gray-mid);
  --mist-gray: var(--platinum);
  --surface: var(--platinum);
  --indigo-deep: var(--navy);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; font-weight: 700; }

h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.08;
  letter-spacing: -.02em;
}
h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.18;
  letter-spacing: -.015em;
}
h3 {
  font-family: var(--font-body);
  font-size: var(--fs-h3);
  font-weight: 500;
  color: var(--navy);
  line-height: 1.25;
  letter-spacing: -.01em;
}
h4 {
  font-family: var(--font-body);
  font-size: var(--fs-h4);
  font-weight: 500;
  color: var(--navy);
  line-height: 1.3;
  letter-spacing: -.005em;
}
p { margin: 0; }
button { font-family: var(--font-body); cursor: pointer; }
strong { font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--cobalt); color: var(--white); }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-lg); position: relative; }
@media (max-width: 720px) { .wrap { padding: 0 var(--space-sm); } }

.section { padding: var(--space-2xl) 0; position: relative; }
.section--tight { padding: var(--space-xl) 0; }

.section--dark {
  background: var(--gradient-radial);
  color: #C7CEEA;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.section--dark::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 22%, rgba(255,255,255,.16) 0, transparent 60%),
    radial-gradient(1px 1px at 82% 68%, rgba(255,255,255,.13) 0, transparent 60%),
    radial-gradient(1px 1px at 48% 85%, rgba(255,255,255,.1) 0, transparent 60%),
    radial-gradient(1px 1px at 65% 15%, rgba(255,255,255,.14) 0, transparent 60%),
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: auto, auto, auto, auto, 64px 64px, 64px 64px;
  mask-image: radial-gradient(120% 100% at 30% 0%, #000 0%, transparent 75%);
  z-index: -2;
  pointer-events: none;
}
.section--dark::after {
  content: "";
  position: absolute; z-index: -1; pointer-events: none;
  width: 640px; height: 640px; right: -220px; bottom: -260px;
  background: radial-gradient(closest-side, rgba(36,81,214,.35), transparent 72%);
  filter: blur(10px);
  animation: drift 16s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translate(0,0) scale(1); } to { transform: translate(-40px,-30px) scale(1.08); } }

.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4,
.hero--dark h1, .hero--dark h2, .hero--dark h3, .hero--dark h4,
.case-block h1, .case-block h2, .case-block h3, .case-block h4 { color: var(--white); }
.section--mist { background: var(--platinum); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cobalt);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: var(--space-sm);
}
.eyebrow::before { content: ""; width: 18px; height: 1.5px; background: var(--cobalt); display: inline-block; }
.section--dark .eyebrow, .hero--dark .eyebrow { color: #7FA4FF; }
.section--dark .eyebrow::before, .hero--dark .eyebrow::before { background: #7FA4FF; }

.lead {
  font-family: var(--font-body);
  font-size: var(--fs-body-lg);
  font-weight: 400;
  color: #454B63;
  max-width: 640px;
  margin-top: var(--space-sm);
  line-height: 1.55;
}
.section--dark .lead, .hero--dark .lead { color: #B7C0E0; }

/* ---------- Grid ---------- */
.grid { display: grid; gap: var(--space-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---------- Icons ---------- */
.icon { width: 22px; height: 22px; flex-shrink: 0; }
.icon-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(155deg, rgba(36,81,214,.08), rgba(10,19,64,.05));
  border: 1px solid rgba(36,81,214,.15);
  color: var(--cobalt);
  margin-bottom: var(--space-md);
  transition: background .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.icon-badge .icon { width: 24px; height: 24px; }
.icon-badge--concept { color: #000000; }
.card:hover .icon-badge, a.card:hover .icon-badge {
  background: var(--gradient-emphasis);
  border-color: transparent;
  color: var(--white);
  transform: translateY(-2px) scale(1.04);
}
.section--dark .icon-badge { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: #8FB1FF; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .95rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: -.005em;
  border: 1.5px solid transparent;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
  white-space: nowrap;
  position: relative;
}
.btn-primary { background: var(--cobalt); color: var(--white); box-shadow: 0 1px 2px rgba(10,19,64,.1); }
.btn-primary:hover { background: var(--navy); transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); border-color: var(--navy); color: var(--white); transform: translateY(-2px); }
.section--dark .btn-outline, .hero--dark .btn-outline { border-color: rgba(255,255,255,.55); color: var(--white); }
.section--dark .btn-outline:hover, .hero--dark .btn-outline:hover { background: var(--white); border-color: var(--white); color: var(--navy); }
.btn-ghost { color: var(--cobalt); padding-left: 0; padding-right: 0; font-weight: 600; }
.btn-ghost:hover { color: var(--navy); gap: .8rem; }
.btn-row { display: flex; gap: var(--space-sm); flex-wrap: wrap; align-items: center; margin-top: var(--space-md); }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid rgba(10,19,64,.07);
  transition: box-shadow .25s var(--ease);
}
.nav.is-scrolled { box-shadow: 0 8px 24px -12px rgba(10,19,64,.18); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.nav__logo img { height: 24px; width: auto; transition: transform .25s var(--ease); }
.nav__logo:hover img { transform: translateY(-1px); }
.nav__links { display: flex; align-items: center; gap: var(--space-md); }
.nav__links a:not(.btn) {
  font-size: var(--fs-label); color: #454B63; font-weight: 500;
  transition: color .15s var(--ease);
  position: relative;
  padding: .3rem 0;
}
.nav__links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 2px; background: var(--cobalt);
  transition: right .25s var(--ease-out-expo);
}
.nav__links a:not(.btn):hover { color: var(--navy); }
.nav__links a:not(.btn):hover::after { right: 0; }
.nav__links a[aria-current="page"] { color: var(--navy); font-weight: 600; }
.nav__links a[aria-current="page"]::after { right: 0; }
.nav__toggle { display: none; background: none; border: 0; color: var(--navy); font-size: 1.4rem; line-height: 1; padding: .4rem; }

@media (max-width: 900px) {
  .nav__links { position: fixed; inset: 76px 0 0 0; background: var(--white); flex-direction: column; align-items: flex-start; padding: var(--space-lg) var(--space-sm); gap: var(--space-lg); transform: translateX(100%); transition: transform .3s var(--ease-out-expo); overflow-y: auto; }
  .nav__links.is-open { transform: translateX(0); }
  .nav__toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero { padding: var(--space-2xl) 0 var(--space-xl); background: var(--platinum); position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(10,19,64,.09) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(60% 90% at 78% 20%, #000 0%, transparent 70%);
}
.hero .wrap { z-index: 1; }
.hero--dark { background: var(--gradient-radial); color: var(--white); overflow: hidden; isolation: isolate; }
.hero--dark::before {
  content: "";
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(90% 90% at 20% 30%, #000 0%, transparent 72%);
}
.hero--dark::after {
  content: "";
  position: absolute; z-index: -1; pointer-events: none;
  width: 560px; height: 560px; right: -160px; top: -180px;
  background: radial-gradient(closest-side, rgba(36,81,214,.4), transparent 70%);
  animation: drift 14s ease-in-out infinite alternate;
}
.hero__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-lg); align-items: center; }
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } }
.hero--minimal { padding: var(--space-lg) 0; text-align: center; }

.flow-visual { position: relative; }
.flow-svg { animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.iso-line{
  fill:none;
  stroke-linecap:round;
}

.iso-glow{
  fill:none;
  stroke-linecap:round;
  mix-blend-mode:screen;
  animation:iso-travel 4.5s ease-in-out infinite;
}
.iso-glow--2{ animation-delay:.15s; }
.iso-glow--3{ animation-delay:.3s; }
.iso-glow--4{ animation-delay:.45s; }
.iso-glow--5{ animation-delay:.6s; }

@keyframes iso-travel{
  0%   { stroke-dashoffset: 1000; opacity:0; }
  8%   { opacity:1; }
  50%  { stroke-dashoffset: 400; opacity:1; }
  92%  { opacity:1; }
  100% { stroke-dashoffset: -200; opacity:0; }
}

@media (prefers-reduced-motion: reduce){
  .iso-glow{ animation:none; opacity:0; }
}

/* ---------- Trust strip ---------- */
.trust { padding: var(--space-lg) 0; border-bottom: var(--border); overflow: hidden; }
.trust__label { font-size: .75rem; color: var(--gray-mid); text-align: center; margin-bottom: var(--space-md); font-family: var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.trust__row {
  display: flex; gap: var(--space-2xl); font-family: var(--font-display); font-weight: 600;
  color: #C3C7D6; width: max-content;
  animation: marquee 26s linear infinite;
}
.trust__row span { font-size: 1.05rem; white-space: nowrap; transition: color .2s var(--ease); }
.trust:hover .trust__row { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Cards ---------- */
.card {
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: var(--white);
  box-shadow: var(--shadow-1);
  transition: transform .3s var(--ease-out-expo), border-color .3s var(--ease), box-shadow .3s var(--ease);
  display: block;
}
.card:hover { transform: translateY(-6px); border-color: rgba(36,81,214,.3); box-shadow: var(--shadow-2); }
.card h3 { margin-bottom: .5rem; }
.card p { color: #5B6178; font-size: .95rem; line-height: 1.55; }
.card__link { display: inline-flex; align-items: center; gap: .4rem; margin-top: var(--space-sm); font-size: var(--fs-label); font-weight: 600; color: var(--cobalt); transition: gap .2s var(--ease); }
.card:hover .card__link, a.card:hover .card__link { gap: .65rem; color: var(--navy); }

.card--dark { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.1); backdrop-filter: blur(6px); }
.card--dark h3, .card--dark p { color: var(--white); }
.card--dark p { opacity: .72; }

/* ---------- Feature block (icon + heading + text) ---------- */
.feature { display: flex; gap: var(--space-sm); align-items: flex-start; }
.feature__num { font-family: var(--font-mono); color: var(--cobalt); font-size: .8rem; padding-top: .2rem; letter-spacing: .04em; }
.section--dark .feature__num { color: #7FA4FF; }
.feature h4 { margin-bottom: .4rem; }
.feature p { color: #5B6178; font-size: .95rem; }
.section--dark .feature p { color: #AEB6D6; }

/* ---------- Testimonial / Case ---------- */
.testimonial {
  border-left: 2px solid var(--cobalt);
  padding-left: var(--space-md);
  font-family: var(--font-editorial);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.45;
  color: var(--white);
  letter-spacing: -.005em;
}
.testimonial cite { display: block; margin-top: var(--space-md); font-style: normal; font-size: .85rem; color: #9AA4CC; font-family: var(--font-mono); }

.case-block { background: var(--gradient-emphasis); color: var(--white); border-radius: var(--radius-lg); padding: var(--space-lg); position: relative; overflow: hidden; }
.case-block__stat { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: #6FEAD0; }

.stat-row { display: flex; gap: var(--space-lg); flex-wrap: wrap; margin: var(--space-md) 0; }
.stat__num { font-family: var(--font-display); font-weight: 700; font-size: 2.25rem; color: var(--cobalt); letter-spacing: -.02em; }
.section--dark .stat__num, .hero--dark .stat__num { color: #6FEAD0; }
.stat__label { font-size: .82rem; color: var(--gray-mid); margin-top: .15rem; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: var(--border); padding: var(--space-sm) 0; }
.faq-item summary { cursor: pointer; font-family: var(--font-body); font-weight: 500; font-size: 1.02rem; color: var(--navy); list-style: none; display:flex; justify-content:space-between; align-items:center; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--cobalt); transition: transform .25s var(--ease); flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: #5B6178; margin-top: var(--space-sm); font-size: .95rem; }

/* ---------- Form ---------- */
.form { display: grid; gap: var(--space-sm); }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: var(--fs-label); font-weight: 500; color: var(--navy); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: .95rem; padding: .85rem .95rem;
  border: 1.5px solid #DDE1EC; border-radius: var(--radius); background: var(--white); color: var(--navy);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cobalt); outline: none; box-shadow: 0 0 0 4px rgba(36,81,214,.1); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.checkbox { display: flex; gap: .6rem; align-items: flex-start; font-size: .82rem; color: var(--gray-mid); }
.checkbox input { margin-top: .2rem; accent-color: var(--cobalt); flex-shrink: 0; }
.privacy-link { color: var(--cobalt); transition: color .15s var(--ease); }
.privacy-link:hover, .privacy-link:focus { color: var(--navy); }
.checkbox-error { color: var(--red); font-size: .78rem; margin-top: .4rem; }
.form-note { font-size: .8rem; color: var(--gray-mid); }
.form-success { display:none; background: rgba(14,76,74,.07); border: 1px solid var(--teal-deep); color: var(--teal-deep); padding: var(--space-sm); border-radius: var(--radius); font-size: .9rem; }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: #8791B8; padding: var(--space-xl) 0 var(--space-md); position: relative; overflow: hidden; }
.footer::before {
  content: "";
  position: absolute; z-index: 0; pointer-events: none;
  width: 480px; height: 480px; left: -180px; bottom: -220px;
  background: radial-gradient(closest-side, rgba(36,81,214,.22), transparent 72%);
}
.footer .wrap { position: relative; z-index: 1; }
.footer__top { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: var(--space-lg); padding-bottom: var(--space-lg); border-bottom: 1px solid rgba(255,255,255,.08); }
@media (max-width: 900px) { .footer__top { grid-template-columns: 1fr 1fr; } }
.footer h5 { color: var(--white); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: var(--space-sm); font-family: var(--font-mono); font-weight: 500; }
.footer li { margin-bottom: .6rem; font-size: .9rem; }
.footer a:hover { color: var(--white); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-md); font-size: .78rem; flex-wrap: wrap; gap: var(--space-sm); color: #6870A0; }
.footer__logo img { height: 20px; margin-bottom: var(--space-sm); }
.footer__social { display: flex; gap: .65rem; margin-top: var(--space-sm); }
.footer__social a { width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease); }
.footer__social a:hover { background: var(--cobalt); border-color: var(--cobalt); transform: translateY(-3px); }
.footer__social .icon { width: 15px; height: 15px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease-out-expo), transform .7s var(--ease-out-expo); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.grid .reveal:nth-child(1) { transition-delay: 0s; }
.grid .reveal:nth-child(2) { transition-delay: .08s; }
.grid .reveal:nth-child(3) { transition-delay: .16s; }
.grid .reveal:nth-child(4) { transition-delay: .24s; }

/* ---------- Editorial (blog / historia) ---------- */
.editorial { font-family: var(--font-editorial); }
.editorial p { color: #383E58; font-size: 1.05rem; line-height: 1.65; }

/* ---------- Utility ---------- */
.center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.divider { height: 1px; background: rgba(10,19,64,.1); margin: var(--space-lg) 0; }
.tag { display:inline-block; font-family: var(--font-mono); font-size: .7rem; letter-spacing:.06em; text-transform:uppercase; color: #5B6178; border: 1px solid #DDE1EC; border-radius: 20px; padding: .3rem .75rem; margin-right: .4rem; margin-bottom:.4rem; transition: color .2s var(--ease), border-color .2s var(--ease); }
.tag--active, .tag:hover { color: var(--cobalt); border-color: var(--cobalt); cursor: pointer; }
.byline { font-size: .82rem; color: var(--gray-mid); font-family: var(--font-mono); }
.mono { font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 400; color: var(--navy); }
.breadcrumb { font-size: .82rem; color: var(--gray-mid); margin-bottom: var(--space-sm); }
.breadcrumb a { color: var(--gray-mid); transition: color .15s var(--ease); }
.breadcrumb a:hover { color: var(--cobalt); }

/* ---------- Video embed (responsive 16:9) ---------- */
.video-embed{
  position:relative;
  width:100%;
  padding-bottom:56.25%;
  height:0;
  overflow:hidden;
  border-radius:8px;
  background:var(--navy);
}
.video-embed iframe{
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:100%;
  border:0;
}

/* ---------- Excepción documentada (julio 2026) — Glassmorphism con Cobalto ----------
   Confirmado explícitamente por el usuario: estilo "glass card" (blur + borde translúcido)
   válido para esta nueva versión visual del home, usando Azul Cobalto #2451D6 como acento
   (nunca dorado ni otro color fuera de la paleta oficial). Excepción puntual a "nunca
   sombras/blur decorativos" — limitada a .card--glass, .hero__visual-frame y .glow-follow.
   El resto del sitio sigue sin estos efectos. */
.card--glass {
  background: linear-gradient(180deg, rgba(36,81,214,.06) 0%, rgba(10,19,64,.02) 100%);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(36,81,214,.12);
  transition: border-color .3s var(--ease);
}
.card--glass:hover { border-color: rgba(36,81,214,.35); }

.card__focus { border-top: var(--border); padding-top: var(--space-sm); margin-top: var(--space-md); }
.card__focus-label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cobalt); opacity: .75; }
.card__focus-value { font-size: .92rem; color: var(--navy); margin-top: .2rem; }

.accent-italic { font-family: var(--font-editorial); font-style: italic; color: var(--cobalt); }

/* ---------- Filosofía (sección nueva, home) ---------- */
.philosophy__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); align-items: center; }
@media (max-width: 900px) { .philosophy__grid { grid-template-columns: 1fr; gap: var(--space-lg); } }
.philosophy__panel { position: relative; min-height: 420px; border-radius: var(--radius-lg); background: var(--platinum); display: flex; align-items: flex-end; padding: var(--space-lg); }
.philosophy__quote { max-width: 320px; }
.philosophy__quote h4 { margin-bottom: .4rem; }
.philosophy__quote p { font-size: .92rem; color: #454B63; }

.list-dash { display: grid; gap: var(--space-sm); }
.list-dash li { position: relative; padding-left: 1.4rem; color: #454B63; font-size: .95rem; }
.list-dash li::before { content: ""; position: absolute; left: 0; top: .6em; width: 14px; height: 1.5px; background: var(--cobalt); }

/* ---------- Marco de vidrio del isotipo en el hero ---------- */
.hero__visual-frame { aspect-ratio: 1; border-radius: 50%; display: flex; align-items: center; justify-content: center; padding: var(--space-lg); position: relative; overflow: hidden; }
.hero__visual-frame .flow-svg { width: 100%; position: relative; z-index: 1; }

/* ---------- Impacto Medible (sección nueva, home) ---------- */
.impact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); align-items: center; }
@media (max-width: 900px) { .impact__grid { grid-template-columns: 1fr; gap: var(--space-lg); } }
.impact__stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.impact__stat-num { font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; color: var(--cobalt); letter-spacing: -.02em; }
.impact__stat-label { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--gray-mid); margin-top: .3rem; }

/* ---------- Glow que sigue al cursor — ámbito: hero y CTA final únicamente ---------- */
.glow-follow {
  position: absolute; top: 0; left: 0; width: 360px; height: 360px;
  background: radial-gradient(closest-side, rgba(36,81,214,.16), transparent 72%);
  border-radius: 50%; pointer-events: none; z-index: 0;
  transform: translate(-50%,-50%);
  transition: transform .5s var(--ease-out-expo);
}
@media (prefers-reduced-motion: reduce) { .glow-follow { display: none; } }

/* ---------- Imágenes de apoyo por sección (fotografía generada en Canva, julio 2026) ---------- */
.section-media { border-radius: var(--radius-lg); overflow: hidden; }
.section-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero .section-media { min-height: 320px; }
@media (max-width: 900px) { .hero .section-media { min-height: 220px; } }

.article-media { border-radius: var(--radius-lg); overflow: hidden; margin: var(--space-lg) 0; }
.article-media img { width: 100%; height: auto; display: block; }

/* ---------- Modal de Aviso de Privacidad (julio 2026) ---------- */
.privacy-modal-overlay {
  position: fixed; inset: 0; background: rgba(10,19,64,.55);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-lg); z-index: 999;
}
.privacy-modal-overlay[hidden] { display: none; }
.privacy-modal {
  background: var(--white); border-radius: var(--radius-lg); max-width: 720px; width: 100%;
  max-height: 85vh; display: flex; flex-direction: column; box-shadow: var(--shadow-2);
}
.privacy-modal__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-md) var(--space-lg); border-bottom: var(--border);
}
.privacy-modal__header h3 { margin: 0; color: var(--navy); font-size: 1.1rem; }
.privacy-modal__close {
  background: none; border: none; font-size: 1.6rem; line-height: 1; cursor: pointer;
  color: var(--gray-mid); padding: 0 .25rem;
}
.privacy-modal__close:hover { color: var(--navy); }
.privacy-modal__body { padding: var(--space-lg); overflow-y: auto; font-size: .92rem; color: #333; line-height: 1.6; }
.privacy-modal__body h4 { color: var(--cobalt); margin-top: 1.2rem; margin-bottom: .4rem; font-size: 1rem; }
.privacy-modal__body p { margin-bottom: .7rem; }
.privacy-modal__body ul { margin: .4rem 0 .8rem 1.2rem; }
.privacy-modal__body li { margin-bottom: .4rem; }
.privacy-modal__body .privacy-warning { background: rgba(36,81,214,.06); border-left: 3px solid var(--cobalt); padding: .6rem .8rem; font-style: italic; color: var(--gray-mid); font-size: .85rem; margin-bottom: 1rem; }
.privacy-modal__footer { padding: var(--space-md) var(--space-lg); border-top: var(--border); display: flex; justify-content: flex-end; }
.footer__privacy-link { background: none; border: none; color: #6870A0; font-size: .78rem; cursor: pointer; text-decoration: underline; padding: 0; font-family: inherit; }
.footer__privacy-link:hover { color: var(--white); }