/* ============================================================
   Databrain Lab — Landing
   Built on the Databrain design tokens (colors_and_type tokens
   are redeclared here so the page is self-contained).
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Aeonik";
  font-weight: 400; font-style: normal; font-display: swap;
  src: url("fonts/Aeonik-Regular.ttf") format("truetype");
}
@font-face {
  font-family: "Aeonik";
  font-weight: 500; font-style: normal; font-display: swap;
  src: url("fonts/Aeonik-Medium.ttf") format("truetype");
}
@font-face {
  font-family: "JetBrains Mono";
  font-weight: 400; font-style: normal; font-display: swap;
  src: url("fonts/JetBrainsMono-Regular.ttf") format("truetype");
}

:root {
  --db-white:        #ffffff;
  --db-off-white:    #f4f4f2;
  --db-light-matter: #eae6df;
  --db-matter:       #c4bcae;
  --db-dark-matter:  #9e968a;
  --db-brain-pink:   #ffe3e9;
  --db-blush-pink:   #eda5b2;
  --db-crimson:      #770f35;
  --db-deep-crimson: #42061f;

  --db-font-sans: "Aeonik", "Geist", "Arial", system-ui, -apple-system, sans-serif;
  --db-font-mono: "JetBrains Mono", "Menlo", ui-monospace, monospace;

  --ls-tight: -0.02em;
  --container: 1280px;

  --ease-std: cubic-bezier(0.2, 0.6, 0.2, 1);
  --ease-emph: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--db-font-sans);
  background: var(--db-off-white);
  color: var(--db-deep-crimson);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, p { margin: 0; }

::selection { background: var(--db-crimson); color: var(--db-off-white); }

/* Focus visibility (a11y) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--db-crimson);
  outline-offset: 2px;
}
.on-dark a:focus-visible,
.on-dark button:focus-visible,
.on-dark [tabindex]:focus-visible {
  outline-color: var(--db-brain-pink);
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
@media (min-width: 1024px) {
  .container { padding: 0 64px; }
}

/* ============================================================
   Shared atoms
   ============================================================ */
.eyebrow {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--db-crimson);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
}
.eyebrow.on-pink { color: var(--db-brain-pink); }
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
  display: inline-block;
  flex: none;
  animation: pulse 2.4s var(--ease-std) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.7); }
}

.mono { font-family: var(--db-font-mono); }

/* Section numerator (top-right) */
.numerator {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  text-align: right;
  margin-bottom: 56px;
}

/* Buttons */
.btn {
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: 999px;
  text-decoration: none;
  transition: background var(--db-dur, 200ms) var(--ease-std),
              transform 120ms var(--ease-std),
              opacity 200ms var(--ease-std);
  transition-duration: 280ms;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--db-deep-crimson);
  color: var(--db-off-white);
}
.btn-primary:hover { background: #2c0414; }
.btn-pink {
  background: var(--db-brain-pink);
  color: var(--db-deep-crimson);
}
.btn-pink:hover { background: #ffd2db; }

/* Text link with underline */
.text-link {
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: inherit;
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  padding: 6px 0;
  border-bottom: 1px solid var(--db-matter);
  transition: opacity 200ms var(--ease-std), border-color 200ms var(--ease-std);
}
.text-link:hover { opacity: 0.62; }
.text-link.on-dark-link { border-bottom-color: var(--db-blush-pink); }

.icon { width: 16px; height: 16px; flex: none; }
.icon-sm { width: 14px; height: 14px; }

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 900ms var(--ease-emph), transform 900ms var(--ease-emph);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   Media slot (poster image now → drop a real <video> later)
   ============================================================ */
.media-slot {
  position: relative;
  overflow: hidden;
  background: var(--db-deep-crimson);
}
.media-slot video,
.media-slot img.media-fill {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.media-slot .slot-tag {
  position: absolute;
  left: 14px; bottom: 14px;
  z-index: 4;
  font-family: var(--db-font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--db-off-white);
  background: rgba(66,6,31,0.62);
  padding: 5px 9px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  opacity: 0.85;
}
.media-slot .slot-tag .ring {
  width: 5px; height: 5px; border-radius: 50%;
  border: 1px solid var(--db-blush-pink);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(244,244,242,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(196,188,174,0.4);
  transition: background 300ms var(--ease-std), border-color 300ms var(--ease-std);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
@media (min-width: 1024px) { .nav-inner { padding: 0 64px; height: 88px; } }
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 34px; width: auto; display: block; }
/* desktop: logo del header grande */
@media (min-width: 1024px) { .nav-logo img { height: 60px; } }
.nav-links {
  display: none;
  align-items: center;
  gap: 30px;
}
@media (min-width: 1024px) { .nav-links { display: flex; } }
.nav-links a {
  font-family: var(--db-font-sans);
  font-size: 14px;
  letter-spacing: -0.01em;
  color: var(--db-dark-matter);
  text-decoration: none;
  transition: color 200ms var(--ease-std);
}
.nav-links a:hover { color: var(--db-deep-crimson); }
.nav-search {
  display: none;
  align-items: center;
  gap: 10px;
  width: 280px;
  padding: 9px 18px;
  border: 1px solid var(--db-matter);
  border-radius: 999px;
  background: rgba(255,255,255,0.5);
  transition: border-color 200ms var(--ease-std), background 200ms var(--ease-std);
}
@media (min-width: 1024px) { .nav-search { display: flex; } }
.nav-search:focus-within { border-color: var(--db-crimson); background: var(--db-white); }
.nav-search svg { color: var(--db-dark-matter); flex: none; }
.nav-search input {
  border: none; background: none; outline: none;
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0;
  color: var(--db-deep-crimson);
  width: 100%;
}
.nav-search input::placeholder { color: var(--db-dark-matter); }
.nav-burger {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--db-matter);
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  color: var(--db-deep-crimson);
}
@media (min-width: 1024px) { .nav-burger { display: none; } }

/* Mobile menu sheet */
.nav-sheet {
  overflow: hidden;
  max-height: 0;
  transition: max-height 360ms var(--ease-emph);
  border-top: 0 solid transparent;
  background: rgba(244,244,242,0.96);
  backdrop-filter: blur(16px);
}
.nav-sheet.open { max-height: 420px; border-top: 1px solid rgba(196,188,174,0.4); }
.nav-sheet-inner { padding: 16px 32px 28px; display: flex; flex-direction: column; gap: 4px; }
.nav-sheet a {
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--db-deep-crimson);
  text-decoration: none;
  padding: 12px 0;
  border-bottom: 1px solid var(--db-light-matter);
}
.nav-sheet .sheet-search {
  margin-top: 18px;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  border: 1px solid var(--db-matter);
  border-radius: 999px;
}
.nav-sheet .sheet-search input {
  border: none; background: none; outline: none; width: 100%;
  font-family: var(--db-font-mono); font-size: 12px;
  color: var(--db-deep-crimson);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--db-off-white);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
@media (min-width: 1200px) {
  .hero { flex-direction: row; align-items: stretch; }
}
/* Mobile/tablet: video is its own contained banner above the text — never a
   faint wash behind it. Square source shown in a 16:11 frame, biased so the
   full face stays in view. */
.hero-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 78vh;
  opacity: 1;
  z-index: 1;
}
@media (min-width: 1200px) {
  .hero-media {
    position: relative;
    order: 2;
    flex: 0 0 46%;
    width: 46%;
    align-self: stretch;
    aspect-ratio: auto;
    max-height: none;
  }
}
.hero-media img, .hero-media video {
  width: 100%; height: 100%;
  object-fit: cover;
  /* square source in a landscape frame: bias down so the full face
     (eyes to chin) stays in view, trimming only the helmet top */
  object-position: 50% 38%;
  display: block;
}
@media (min-width: 1200px) {
  /* model is in profile facing left, nose/chin near the left of the frame:
     keep a low x so the front of the face stays visible when the portrait
     panel crops horizontally on narrower desktops */
  .hero-media img, .hero-media video { object-position: 14% center; }
}
/* Off-white → transparent fade only on desktop, where media meets the text */
.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(90deg,
    var(--db-off-white) 0%,
    rgba(244,244,242,0.0) 4%);
  display: none;
}
@media (min-width: 1200px) {
  .hero-media::before { display: block; }
}
.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 32px 120px;
}
@media (min-width: 1200px) {
  .hero-content {
    order: 1;
    flex: 1 1 0;
    width: auto;
    max-width: none;
    margin: 0;
    align-self: center;
    /* align text to the site container's left edge on wide screens */
    padding: 64px 56px 64px max(56px, calc((100vw - var(--container)) / 2 + 32px));
  }
}
.hero-eyebrow { margin-bottom: 34px; }
.hero-title-row {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.hero-num {
  font-family: var(--db-font-mono);
  font-size: 13px;
  color: var(--db-dark-matter);
  padding-top: 14px;
  flex: none;
}
.hero-title {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: clamp(2.25rem, 8vw, 3rem);
  line-height: 0.95;
  letter-spacing: var(--ls-tight);
  color: var(--db-deep-crimson);
  max-width: 16ch;
  overflow-wrap: break-word;
}
/* tablet: escala intermedia, sin apretar contra el video */
@media (min-width: 768px) and (max-width: 1199px) { .hero-title { font-size: clamp(3rem, 6vw, 4.5rem); line-height: 0.9; } }
/* desktop a 2 columnas: título grande dentro de su columna (~80px) */
@media (min-width: 1200px) { .hero-title { font-size: clamp(4rem, 6.25vw, 5rem); line-height: 0.9; max-width: none; } }
/* móvil/tablet en horizontal (poca altura): video más compacto y título más
   chico, para que ambos se vean sin que el video domine la pantalla */
@media (orientation: landscape) and (max-height: 600px) and (max-width: 1199px) {
  /* no forzar 100vh en horizontal (Safari lo calcula con/ sin barra) */
  .hero { min-height: 0; }
  /* altura FIJA y explícita + recorte: el video no puede desbordarse
     detrás del texto, sin depender de aspect-ratio ni de alturas en % */
  .hero-media { height: 46vh; max-height: 46vh; min-height: 0; aspect-ratio: auto; overflow: hidden; }
  .hero-content { padding-top: 28px; padding-bottom: 56px; }
  .hero-title { font-size: clamp(1.9rem, 4.6vw, 2.6rem); line-height: 0.95; }
  .hero-eyebrow { margin-bottom: 16px; }
  .hero-subhead { margin-top: 18px; font-size: 16px; }
  .hero-meta { margin-top: 28px; }
}
.hero-title .accent { color: var(--db-crimson); }
.hero-subhead {
  font-family: var(--db-font-sans);
  font-size: 19px;
  line-height: 1.5;
  color: var(--db-dark-matter);
  max-width: 56ch;
  margin: 32px 0 0;
}
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 40px;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 32px;
  margin-top: 64px;
  max-width: 720px;
}
@media (min-width: 768px) { .hero-meta { grid-template-columns: repeat(4, 1fr); } }
.hero-meta .cell { display: flex; flex-direction: column; gap: 6px; }
.hero-meta .label {
  font-family: var(--db-font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--db-dark-matter);
}
.hero-meta .value {
  font-family: var(--db-font-sans);
  font-size: 22px;
  letter-spacing: var(--ls-tight);
  color: var(--db-deep-crimson);
}

/* Diagonal divider at the bottom of hero */
.hero-divider {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  z-index: 4;
  width: 100%;
  height: 60px;
  display: block;
}
@media (min-width: 1024px) { .hero-divider { height: 120px; } }
.hero-divider svg { width: 100%; height: 100%; display: block; }

/* Hero load animation */
.hero-anim {
  opacity: 0;
  transform: translateY(18px);
}
.hero-loaded .hero-anim {
  animation: heroIn 1.2s var(--ease-emph) forwards;
}
.hero-loaded .hero-anim.d1 { animation-delay: 0.10s; }
.hero-loaded .hero-anim.d2 { animation-delay: 0.25s; }
.hero-loaded .hero-anim.d3 { animation-delay: 0.40s; }
.hero-loaded .hero-anim.d4 { animation-delay: 0.55s; }
@keyframes heroIn {
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-anim { opacity: 1; transform: none; }
  .hero-loaded .hero-anim { animation: none; }
}

/* ============================================================
   Generic dark / light section
   ============================================================ */
.section { padding: 120px 0; position: relative; }
@media (max-width: 767px) { .section { padding: 88px 0; } }
.s-deep { background: var(--db-deep-crimson); color: var(--db-off-white); }
.s-crimson { background: var(--db-crimson); color: var(--db-off-white); }
.s-offwhite { background: var(--db-off-white); color: var(--db-deep-crimson); }
.s-gray { background: var(--db-light-matter); color: var(--db-deep-crimson); }

/* ============================================================
   MANIFIESTO
   ============================================================ */
.manifiesto-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
@media (min-width: 1024px) {
  .manifiesto-grid {
    grid-template-columns: 1fr 1.4fr;
    grid-template-areas:
      "title ."
      "media body";
    column-gap: 80px;
    row-gap: 44px;
    align-items: start;
  }
  .manifiesto-title { grid-area: title; }
  .manifiesto-media-col { grid-area: media; }
  .manifiesto-body { grid-area: body; align-self: start; }
}
.manifiesto-title {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 2.4rem;
  line-height: 1.05;
  letter-spacing: var(--ls-tight);
  color: var(--db-off-white);
}
@media (min-width: 768px) { .manifiesto-title { font-size: 3.5rem; } }
.manifiesto-title .accent { color: var(--db-brain-pink); }
.manifiesto-media {
  margin-top: 36px;
  aspect-ratio: 4 / 3;
  border-radius: 18px;
  mix-blend-mode: lighten;
}
@media (min-width: 1024px) {
  /* media sits in its own row, so the title's top margin isn't needed */
  .manifiesto-media { margin-top: 0; }
}
/* Calm continuous float — gentle vertical drift, no bounce (brand: calm) */
@media (prefers-reduced-motion: no-preference) {
  .manifiesto-float {
    animation: manifiestoFloat 7s var(--ease-std, ease-in-out) infinite;
  }
}
@keyframes manifiestoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.manifiesto-body p {
  font-family: var(--db-font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--db-blush-pink);
  max-width: 56ch;
}
.manifiesto-body p + p { margin-top: 24px; }

/* Mockup del asistente IA: burbujas de chat dentro de la columna media
   del layout manifiesto-grid (misma estructura, distinto contenido). */
.chat-mock {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--db-deep-crimson);
  border: 1px solid rgba(255,227,233,0.14);
  border-radius: 18px;
  padding: 28px;
  height: 440px;
  overflow: hidden;
}
@media (min-width: 1024px) { .chat-mock { margin-top: 0; } }
.chat-avatar {
  align-self: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--db-crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
  flex-shrink: 0;
}
.chat-avatar img { width: 66%; height: 66%; }
/* Ventana de chat de verdad: alto fijo (el padre .chat-mock), scroll
   interno propio -- los mensajes nuevos empujan a los viejos hacia
   arriba y desaparecen por scroll, la seccion nunca cambia de alto. */
.chat-thread {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
}
.chat-thread::-webkit-scrollbar { display: none; }
.chat-bubble {
  font-family: var(--db-font-sans);
  font-size: 15px;
  line-height: 1.5;
  padding: 14px 18px;
  border-radius: 14px;
  max-width: 88%;
}
.chat-bubble.user {
  align-self: flex-end;
  background: var(--db-crimson);
  color: var(--db-off-white);
  border-bottom-right-radius: 4px;
}
.chat-bubble.bot {
  align-self: flex-start;
  background: var(--db-off-white);
  color: var(--db-deep-crimson);
  border-bottom-left-radius: 4px;
}
/* La conversacion la maneja React (setTimeout secuencial, ver Asistente()):
   cada burbuja y el indicador de "escribiendo" se montan/desmontan solos,
   asi que la animacion solo necesita jugar al montarse (fill "both", sin
   depender de scroll/Reveal) para que se sienta viva y en loop continuo. */
@media (prefers-reduced-motion: no-preference) {
  .chat-bubble { animation: chatBubbleRise 0.4s var(--ease-std, ease-out) both; }
}
@keyframes chatBubbleRise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.chat-typing { display: flex; align-items: center; gap: 5px; padding: 17px 18px; }
.chat-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--db-deep-crimson); opacity: .35;
}
@media (prefers-reduced-motion: no-preference) {
  .chat-typing span { animation: chatTypingBounce 1s ease-in-out infinite; }
  .chat-typing span:nth-child(2) { animation-delay: .15s; }
  .chat-typing span:nth-child(3) { animation-delay: .3s; }
}
@keyframes chatTypingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: .35; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* ============================================================
   Section header (numerator + title/intro grid)
   ============================================================ */
.s-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 72px;
}
@media (min-width: 1024px) {
  .s-head { grid-template-columns: 1fr 2fr; gap: 80px; align-items: end; }
  /* Titulo de Escenarios ("Imagen y video. / La misma precisión.") pide
     2 lineas exactas: la columna 1fr le quedaba angosta y cada renglon
     se partia solo en dos. Le damos mas ancho solo a esta seccion. */
  #escenarios .s-head { grid-template-columns: 1.7fr 1.3fr; }
}
.s-title {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 2.4rem;
  line-height: 1.0;
  letter-spacing: var(--ls-tight);
}
@media (min-width: 768px) { .s-title { font-size: 4rem; } }
.s-intro-mono {
  font-family: var(--db-font-mono);
  font-size: 14px;
  line-height: 1.7;
  max-width: 50ch;
}
.s-intro {
  font-family: var(--db-font-sans);
  font-size: 18px;
  line-height: 1.55;
  max-width: 56ch;
}

/* ============================================================
   INSTRUMENTACIÓN — vertical tabs
   ============================================================ */
.instr-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 1024px) {
  .instr-body { grid-template-columns: 200px 1fr; gap: 64px; align-items: start; }
}
.tabs {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  gap: 0;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
@media (min-width: 1024px) {
  .tabs {
    flex-direction: column;
    position: sticky;
    top: 96px;
    overflow: visible;
  }
}
.tab {
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255,227,233,0.1);
  color: var(--db-matter);
  cursor: pointer;
  padding: 18px 16px 18px 0;
  white-space: nowrap;
  transition: color 400ms var(--ease-std);
  flex: none;
  display: flex;
  gap: 8px;
}
@media (min-width: 1024px) { .tab { white-space: normal; } }
.tab:hover { color: var(--db-blush-pink); }
.tab .tab-prefix { color: transparent; transition: color 400ms var(--ease-std); }
.tab.active { color: var(--db-off-white); }
.tab.active .tab-prefix { color: var(--db-brain-pink); }

.panel-wrap { position: relative; min-height: 420px; }
.panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  opacity: 0;
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: opacity 400ms var(--ease-std);
}
@media (min-width: 768px) {
  .panel { grid-template-columns: 480px 1fr; gap: 48px; }
}
.panel.show {
  opacity: 1;
  position: relative;
  pointer-events: auto;
}
.panel-media {
  aspect-ratio: 4 / 3;
  width: 100%;
  border-radius: 18px;
}
.panel-text .tag {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--db-brain-pink);
}
.panel-text .ptitle {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: var(--ls-tight);
  color: var(--db-off-white);
  margin: 14px 0 6px;
}
.panel-text .brand {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--db-blush-pink);
}
.panel-text .desc {
  font-family: var(--db-font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--db-blush-pink);
  margin: 22px 0 26px;
  max-width: 52ch;
}
.panel-cta { display: inline-flex; align-items: center; gap: 8px; margin-top: 24px; color: var(--db-off-white); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--db-off-white);
  border: 1px solid rgba(255,227,233,0.3);
  border-radius: 999px;
  padding: 7px 14px;
}

/* ============================================================
   MEDICIONES — 3×2 grid
   ============================================================ */
.med-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--db-light-matter);
  border-left: 1px solid var(--db-light-matter);
}
@media (min-width: 640px) { .med-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .med-grid { grid-template-columns: repeat(4, 1fr); } }
.med-card {
  border-right: 1px solid var(--db-light-matter);
  border-bottom: 1px solid var(--db-light-matter);
  padding: 36px 32px 40px;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  transition: background 400ms var(--ease-std);
}
.med-card:hover { background: var(--db-brain-pink); }
.med-num {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--db-dark-matter);
}
.med-title {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: var(--ls-tight);
  color: var(--db-deep-crimson);
  margin: 18px 0 14px;
}
.med-desc {
  font-family: var(--db-font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--db-dark-matter);
  flex: 1;
}
.med-signal {
  font-family: var(--db-font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--db-crimson);
  margin-top: 26px;
}

/* ============================================================
   PROTOCOLOS — phase list
   ============================================================ */
.phase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  border-top: 1px solid var(--db-matter);
  padding: 40px 0;
}
@media (min-width: 1024px) {
  .phase { grid-template-columns: 80px 1fr 2.2fr; gap: 48px; align-items: start; }
}
.phase-num {
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--db-crimson);
  padding-top: 8px;
}
.phase-title {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.05;
  letter-spacing: var(--ls-tight);
  color: var(--db-deep-crimson);
}
@media (min-width: 768px) { .phase-title { font-size: 32px; } }
.phase-desc {
  font-family: var(--db-font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--db-dark-matter);
  max-width: 60ch;
}

/* ============================================================
   ESCENARIOS — two columns
   ============================================================ */
.esc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
@media (min-width: 900px) {
  .esc-grid { grid-template-columns: 1fr 1fr; gap: 0; }
  .esc-col + .esc-col {
    border-left: 1px solid var(--db-light-matter);
    padding-left: 64px;
  }
  .esc-col:first-child { padding-right: 64px; }
}
.esc-tag {
  font-family: var(--db-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--db-dark-matter);
}
.esc-title {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 40px;
  line-height: 1.0;
  letter-spacing: var(--ls-tight);
  color: var(--db-deep-crimson);
  margin: 18px 0 22px;
}
@media (min-width: 1024px) { .esc-title { font-size: 56px; } }
.esc-desc {
  font-family: var(--db-font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--db-dark-matter);
  max-width: 46ch;
}
.esc-cases { list-style: none; padding: 0; margin: 32px 0 0; display: flex; flex-direction: column; gap: 14px; }
.esc-cases li {
  font-family: var(--db-font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--db-deep-crimson);
  display: flex;
  align-items: center;
  gap: 14px;
}
.esc-cases .sq {
  width: 6px; height: 6px;
  background: var(--db-crimson);
  transform: rotate(45deg);
  flex: none;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta {
  background: var(--db-deep-crimson);
  color: var(--db-off-white);
  padding: 160px 0;
  text-align: center;
}
@media (max-width: 767px) { .cta { padding: 110px 0; } }
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-title {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 3rem;
  line-height: 0.98;
  letter-spacing: var(--ls-tight);
  color: var(--db-off-white);
  margin: 30px 0 0;
}
@media (min-width: 768px) { .cta-title { font-size: 4.5rem; } }
@media (min-width: 1280px) { .cta-title { font-size: 6.5rem; } }
.cta-title .accent { color: var(--db-brain-pink); }
.cta-sub {
  font-family: var(--db-font-sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--db-blush-pink);
  max-width: 52ch;
  margin: 30px 0 0;
}
.cta-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; justify-content: center; margin-top: 44px; }

/* ============================================================
   PLANES (teaser -> lleva a la pagina de precios)
   ============================================================ */
.plans-teaser { display: flex; flex-direction: column; align-items: center; text-align: center; max-width: 720px; margin: 0 auto; }
.plans-teaser-sub { max-width: 52ch; margin: 22px auto 0; }
.plans-teaser-actions { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-top: 38px; }
.plans-teaser-note { font-family: var(--db-font-sans); font-size: 14px; color: var(--db-dark-matter); opacity: 0.7; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--db-deep-crimson);
  color: var(--db-off-white);
  padding: 56px 0 40px;
  border-top: 1px solid rgba(255,227,233,0.1);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 32px;
}
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; } }
.footer-logo img { height: 34px; width: auto; margin-bottom: 20px; }
/* desktop: logo del footer grande */
@media (min-width: 1024px) { .footer-logo img { height: 55px; } }
.footer-tag {
  font-family: var(--db-font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--db-blush-pink);
  max-width: 38ch;
}
.footer-col h5 {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--db-brain-pink);
  margin: 0 0 18px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-col a, .footer-col span {
  font-family: var(--db-font-sans);
  font-size: 14px;
  color: var(--db-blush-pink);
  text-decoration: none;
  transition: color 200ms var(--ease-std);
}
.footer-col a:hover { color: var(--db-off-white); }
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,227,233,0.1);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom span {
  font-family: var(--db-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--db-matter);
}

/* ============================================================
   MODAL (contact)
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(66,6,31,0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms var(--ease-std);
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--db-off-white);
  color: var(--db-deep-crimson);
  width: 100%;
  max-width: 520px;
  border-radius: 20px;
  padding: 40px;
  position: relative;
  transform: translateY(16px);
  transition: transform 320ms var(--ease-emph);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-overlay.open .modal { transform: none; }
.modal-close {
  position: absolute;
  top: 22px; right: 22px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--db-matter);
  background: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center; justify-content: center;
  color: var(--db-deep-crimson);
}
.modal-eyebrow { margin-bottom: 18px; }
.modal h3 {
  font-family: var(--db-font-sans);
  font-weight: 500;
  font-size: 32px;
  line-height: 1.0;
  letter-spacing: var(--ls-tight);
  color: var(--db-deep-crimson);
  margin: 0 0 10px;
}
.modal p.modal-sub {
  font-family: var(--db-font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--db-dark-matter);
  margin: 0 0 28px;
}
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label {
  font-family: var(--db-font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--db-dark-matter);
}
.field input, .field select, .field textarea {
  font-family: var(--db-font-sans);
  font-size: 15px;
  color: var(--db-deep-crimson);
  background: var(--db-white);
  border: 1px solid var(--db-matter);
  border-radius: 10px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 200ms var(--ease-std);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--db-crimson); }
.field textarea { resize: vertical; min-height: 84px; }
.field.err input, .field.err textarea { border-color: var(--db-crimson); }
.field .err-msg {
  font-family: var(--db-font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--db-crimson);
}
.modal-submit { width: 100%; justify-content: center; margin-top: 8px; }
.modal-success {
  text-align: center;
  padding: 20px 0;
}
.modal-success .check {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--db-brain-pink);
  color: var(--db-crimson);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}

/* ============================================================
   Tweaks panel mount
   ============================================================ */
#tweaks-root { position: fixed; z-index: 300; }

/* ============================================================
   HERO IA — cerebro 3D + tarjetas de métricas en vivo
   ============================================================ */
.hero-stage-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
@media (min-width: 1200px) {
  .hero-stage-wrap {
    order: 2;
    flex: 0 0 54%;
    width: 54%;
    align-self: center;
    flex-direction: row;
    align-items: center;
    gap: 26px;
    padding: 40px 48px 40px 0;
  }
}
.hero-brain {
  position: relative;
  width: 100%;
  max-width: 420px;
}
@media (min-width: 1200px) {
  .hero-brain { flex: 1 1 52%; min-width: 0; max-width: none; }
}
#brain-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 22px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 42%, var(--db-light-matter), var(--db-off-white) 78%);
}
#brain-stage canvas { display: block; width: 100%; height: 100%; cursor: grab; }
#brain-stage canvas:active { cursor: grabbing; }
#brain-loading {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--db-font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--db-matter);
}

#brain-live {
  display: flex; flex-direction: column; gap: 10px;
  width: 100%; max-width: 480px;
}
@media (min-width: 1200px) {
  #brain-live { flex: 1 1 48%; min-width: 0; max-width: 360px; margin-top: 0; }
}
.brain-row {
  display: grid; grid-template-columns: 14px 1fr auto; gap: 12px; align-items: start;
  background: var(--db-white); border: 1px solid var(--db-light-matter);
  border-radius: 14px; padding: 12px 16px; cursor: pointer;
  transition: opacity .2s, transform .2s, box-shadow .2s;
}
.brain-row:hover { box-shadow: 0 6px 18px rgba(66,6,31,.07); transform: translateY(-1px); }
.brain-row.off { opacity: .4; }
.brain-row > i { width: 12px; height: 12px; border-radius: 50%; margin-top: 5px; }
.brain-row > span { display: block; font-weight: 600; font-size: .95rem; color: var(--db-deep-crimson); min-width: 0; }
.brain-row .brain-bar { height: 6px; border-radius: 6px; background: var(--db-light-matter); overflow: hidden; margin: 8px 0 6px; }
.brain-row .brain-bar > div { height: 100%; border-radius: 6px; transition: width .12s linear; }
.brain-row .brain-sys { font-family: var(--db-font-mono); font-size: .6rem; letter-spacing: .04em; color: var(--db-matter); font-weight: 400; text-transform: uppercase; }
.brain-row > b { font-family: var(--db-font-mono); font-weight: 500; font-size: 1.1rem; color: var(--db-deep-crimson); font-variant-numeric: tabular-nums; }

/* Captura real del estudio dentro del panel de "Cómo funciona" */
.panel-media.panel-shot-wrap { padding: 16px; }
.panel-shot {
  width: 100%; height: 100%;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
}

/* Título del hero de la IA en dos líneas fijas */
.hero-ia .hero-title {
  max-width: none;
  font-size: clamp(2.3rem, 8.8vw, 3.1rem);
  line-height: 1.04;
}
.hero-ia .hero-title .hero-l1,
.hero-ia .hero-title .hero-l2 { display: block; }
@media (min-width: 768px) {
  .hero-ia .hero-title { font-size: clamp(2.9rem, 4vw, 3.7rem); line-height: 1.05; }
  .hero-ia .hero-title .hero-l1,
  .hero-ia .hero-title .hero-l2 { white-space: nowrap; }
}
/* Más aire: columna de texto más ancha en desktop */
@media (min-width: 1200px) {
  .hero-ia .hero-stage-wrap { flex-basis: 49%; width: 49%; }
}

/* ── Hero IA: métricas flotando y orbitando el cerebro ── */
.hero-ia .hero-brain { position: relative; width: 100%; max-width: 640px; aspect-ratio: 1 / 1; margin: 0 auto; }
.hero-ia #brain-stage {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 62%; aspect-ratio: 1 / 1;
}
.hero-ia #brain-leaders { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 2; }
.hero-ia #brain-live { position: absolute; inset: 0; margin: 0; max-width: none; width: auto; display: block; pointer-events: none; z-index: 3; }
.brain-float {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  pointer-events: auto; cursor: pointer; white-space: nowrap;
  transition: opacity .2s; user-select: none;
  text-shadow: 0 1px 2px rgba(244,244,242,.92), 0 0 8px rgba(244,244,242,.7);
}
.brain-float.bf-flip { flex-direction: row-reverse; }
.brain-float .bf-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; box-shadow: 0 0 0 3px rgba(255,255,255,.55); }
.brain-float .bf-name { font-family: var(--db-font-sans); font-size: .82rem; font-weight: 600; color: var(--db-deep-crimson); }
.brain-float .bf-val { font-family: 'JetBrains Mono', var(--db-font-mono); font-size: 0.84rem; font-weight: 700; color: var(--db-deep-crimson); font-variant-numeric: tabular-nums; }
@media (min-width: 1200px) { .hero-ia .hero-stage-wrap { flex-basis: 52%; width: 52%; } }

/* ── Hero IA centrado: texto arriba, cerebro grande al centro, métricas orbitando ── */
.hero-ia { flex-direction: column; align-items: center; min-height: auto; }
.hero-ia .hero-top {
  order: 0; width: 100%; max-width: var(--container);
  margin: 0 auto; padding: 30px 32px 0; flex: none;
}
@media (min-width: 1024px) { .hero-ia .hero-top { padding: 40px 64px 0; } }
.hero-ia .hero-title { max-width: none; }
.hero-ia .hero-subhead { max-width: 62ch; margin-top: 24px; }
.hero-ia .hero-ctas { margin-top: 28px; }
.hero-ia .hero-stage-wrap {
  order: 1; position: relative; z-index: 5; display: block; flex: none;
  width: 100%; max-width: 1000px; margin: 0 auto; padding: 0 20px 76px;
}
.hero-ia .hero-brain {
  position: relative; width: auto; height: 44vh; max-height: 440px;
  min-height: 320px; aspect-ratio: 3 / 2; margin: 0 auto;
}
.hero-ia #brain-stage {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 47%; max-width: 380px; aspect-ratio: 1 / 1;
}

/* ── Hero IA: cerebro a la DERECHA (dos columnas), métricas orbitando su arco ── */
@media (min-width: 1024px) {
  .hero-ia { flex-direction: row; align-items: center; min-height: 88vh; }
  .hero-ia .hero-top {
    order: 1; flex: 1 1 46%; width: auto; max-width: none; margin: 0;
    padding: 40px 32px 40px max(40px, calc((100vw - var(--container)) / 2 + 32px));
  }
  .hero-ia .hero-stage-wrap {
    order: 2; flex: 0 0 54%; width: 54%; max-width: none; margin: 0;
    padding: 16px 40px 16px 0;
  }
  .hero-ia .hero-brain {
    width: 100%; max-width: 660px; height: 64vh; max-height: 560px;
    min-height: 400px; margin: 0 auto;
  }
  .hero-ia #brain-stage { width: 52%; max-width: 360px; }
}

/* Carrusel de metricas/funciones en el recuadro del Manifiesto */
.manifiesto-media.mcar-box {
  aspect-ratio: 4 / 3; border-radius: 18px; background: var(--db-crimson);
  mix-blend-mode: normal; margin-top: 0; padding: 26px 28px; overflow: hidden;
}
.mcar { display: flex; flex-direction: column; height: 100%; text-align: left; }
.mcar-head { display: flex; align-items: center; gap: 10px; }
.mcar-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.mcar-kicker { font-family: var(--db-font-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--db-brain-pink); }
.mcar-body { flex: 1; display: flex; flex-direction: column; justify-content: center; min-height: 0; }
.mcar-num { font-family: var(--db-font-mono); font-size: 11px; color: var(--db-blush-pink); opacity: .8; margin-bottom: 12px; }
.mcar-name { font-family: var(--db-font-sans); font-weight: 600; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.02; letter-spacing: var(--ls-tight); animation: mcarIn .5s var(--ease-emph) both; }
.mcar-desc { font-size: 15px; line-height: 1.5; color: var(--db-blush-pink); margin-top: 14px; max-width: 34ch; animation: mcarIn .5s var(--ease-emph) .05s both; }
@keyframes mcarIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .mcar-name, .mcar-desc { animation: none; } }
.mcar-dots { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.mcar-pip { width: 16px; height: 4px; border-radius: 2px; border: none; padding: 0; cursor: pointer; background: rgba(255,227,233,.28); transition: background .3s, width .3s; }
.mcar-pip.on { width: 24px; background: var(--db-brain-pink); }

/* Manifiesto carousel: fondo gris claro para mayor contraste */
.manifiesto-media.mcar-box { background: var(--db-light-matter); }
.mcar-kicker { color: var(--db-crimson); }
.mcar-num { color: var(--db-dark-matter); }
.mcar-name { color: var(--db-deep-crimson); }
.mcar-desc { color: var(--db-dark-matter); }
.mcar-pip { background: rgba(66,6,31,.16); }
.mcar-pip.on { background: var(--db-crimson); }

/* Titulo "Un laboratorio de neurociencia en un clic" en tres lineas */
.lab-title .lab-l { display: block; }

/* lab-title: cada frase entera en una linea */
.lab-title { font-size: clamp(2.1rem, 4.4vw, 3.5rem); line-height: 1.05; }
.lab-title .lab-l { display: block; white-space: nowrap; }

/* Paneles "Como funciona": la captura llena el cuadro (cover por defecto) */
.panel-media.panel-shot-wrap { padding: 0; }
.panel-shot { object-fit: cover; border-radius: 18px; box-shadow: none; }