/* ═══════════════════════════════════════════════════════════
   Método Dopamina — hoja de estilos
   Concepto "Pulso": círculos concéntricos, apertura oscura,
   cuerpo crema cálido, acento coral (dopamina).
   ═══════════════════════════════════════════════════════════ */

:root {
  --ink: #24402e;
  --ink-2: #2e5039;
  --cream: #f7f3ea;
  --cream-2: #efe7d8;
  --paper: #fffdf7;
  --sage-bg: #e9efe2;
  --dopa: #bc6c4f;
  --dopa-deep: #9c5136;
  --dopa-soft: #d8917a;
  --verde: #6b8f66;
  --verde-deep: #3e6247;
  --verde-soft: #a9c3a2;
  --oro: #d9a54b;
  --oro-deep: #a87b2f;
  --mut: #6d6a5c;
  --mut-dark: #cbd8c5;
  --line: rgba(36, 64, 46, 0.15);
  --line-soft: rgba(36, 64, 46, 0.08);
  --line-dark: rgba(247, 243, 234, 0.18);
  --radius: 18px;
  --sec: clamp(4.5rem, 9vw, 7.5rem);
  --font-d: "Fraunces", Georgia, serif;
  --font-s: "Jost", system-ui, -apple-system, sans-serif;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-s);
  font-size: 1.09rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
strong { font-weight: 500; }
a { color: inherit; }
ul { list-style: none; }
section { scroll-margin-top: 84px; }

::selection { background: var(--verde); color: #fff; }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: var(--ink); color: var(--cream);
  padding: 0.6rem 1rem; border-radius: 8px; text-decoration: none;
}
.skip:focus { left: 8px; }

/* ── Utilidades ────────────────────────────────────────── */
.wrap { width: min(1180px, 100% - 3rem); margin-inline: auto; }
.wrap--narrow { width: min(820px, 100% - 3rem); }

.kicker {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dopa-deep);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}
.kicker::before {
  content: "";
  width: 13px; height: 13px;
  border: 2px solid currentColor;
  border-radius: 50%;
  flex: none;
  opacity: 0.85;
}
.kicker--light { color: var(--verde-soft); }

.h2 {
  font-family: var(--font-d);
  font-weight: 450;
  font-size: clamp(1.9rem, 3.4vw + 0.5rem, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  max-width: 21ch;
  margin-bottom: 1.4rem;
}
.lead { font-size: 1.13rem; line-height: 1.8; max-width: 60ch; color: var(--ink); }
.lead + .lead { margin-top: 1rem; }
.lead--sub { color: var(--mut); margin-bottom: 3rem; }
.lead em { font-family: var(--font-d); font-style: italic; }

.sec { padding-block: var(--sec); position: relative; }
.sec--sand { background: var(--cream-2); }
.sec--sage { background: var(--sage-bg); }

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-top: 2.6rem;
}

/* ── Reveal on scroll (solo se ocultan si hay JS activo) ── */
.js .rv { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.js .rv.on { opacity: 1; transform: none; }

/* ── Botones ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-s);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn svg { width: 15px; height: 15px; transition: transform 0.2s ease; }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: scale(0.98); }
.btn--sm { padding: 0.62rem 1.15rem; font-size: 0.88rem; }

.btn--main { background: var(--dopa); color: #fff; }
.btn--main:hover { background: var(--dopa-deep); }

.btn--ghost { border-color: rgba(36, 64, 46, 0.35); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(36, 64, 46, 0.05); }

.btn--ink { background: var(--ink); color: var(--cream); }
.btn--ink:hover { background: var(--ink-2); }

.btn--pulse { animation: ctapulse 2.6s ease-out infinite; }
@keyframes ctapulse {
  0%   { box-shadow: 0 0 0 0 rgba(188, 108, 79, 0.45); }
  70%  { box-shadow: 0 0 0 16px rgba(188, 108, 79, 0); }
  100% { box-shadow: 0 0 0 0 rgba(188, 108, 79, 0); }
}

/* ── Header ────────────────────────────────────────────── */
.top {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-block: 1.1rem;
  transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
  color: var(--ink);
}
.top.scrolled {
  background: rgba(248, 243, 235, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--ink);
  padding-block: 0.7rem;
  box-shadow: 0 1px 0 var(--line-soft);
}
.top__in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand__mark { width: 30px; height: 30px; color: currentColor; }
.brand__name { font-family: var(--font-d); font-size: 1.18rem; font-weight: 520; letter-spacing: -0.01em; white-space: nowrap; }
.brand__name em { font-style: italic; color: var(--dopa-deep); }
.top.menu-open .brand__name em { color: var(--dopa-soft); }

.nav { display: flex; align-items: center; gap: 1.7rem; }
.nav a:not(.btn) {
  font-size: 0.95rem;
  font-weight: 400;
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}
.nav a:not(.btn):hover { opacity: 1; }

.burger { display: none; }

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  background: var(--cream);
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: clamp(7rem, 16vh, 10rem) clamp(4rem, 10vh, 6rem);
  overflow: hidden;
}
.hero__in {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: center;
}
.hero__txt { max-width: 640px; }
.hero__media { position: relative; }
.hero__media::before {
  content: "";
  position: absolute;
  inset: -16% -12% -10% -16%;
  background: #dfe8d4;
  border-radius: 52% 48% 44% 56% / 46% 54% 46% 54%;
  z-index: -1;
  transform: translate3d(var(--bx, 0px), calc(var(--by, 0px) + var(--bs, 0px)), 0);
  will-change: transform;
}
.halo, .synapse, .orbit--center { will-change: transform; }
.hero__title {
  font-family: var(--font-d);
  font-weight: 440;
  font-size: clamp(2.7rem, 7vw + 0.4rem, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-block: 0.4rem 1.6rem;
}
.hero__title em { font-style: italic; color: var(--dopa-deep); }
.hero__lead {
  font-size: clamp(1.05rem, 1.3vw + 0.6rem, 1.22rem);
  line-height: 1.75;
  color: var(--mut);
  max-width: 56ch;
  margin-bottom: 2.2rem;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.hero__micro {
  margin-top: 1.4rem;
  font-size: 0.85rem;
  color: var(--mut);
  letter-spacing: 0.02em;
}
.hero__micro span { color: var(--dopa-deep); margin-inline: 0.35rem; }

/* Anillos de pulso */
.orbit {
  position: absolute;
  right: max(-14vw, -260px);
  top: 50%;
  transform: translateY(-50%);
  width: min(60vw, 820px);
  aspect-ratio: 1;
  pointer-events: none;
  z-index: 1;
}
.orbit::before {
  content: "";
  position: absolute;
  inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 143, 102, 0.18), transparent 62%);
}
.orbit i {
  position: absolute;
  border: 1px solid rgba(36, 64, 46, 0.1);
  border-radius: 50%;
  animation: breathe 9s ease-in-out infinite;
}
.orbit i:nth-child(1) { inset: 0; }
.orbit i:nth-child(2) { inset: 11%; animation-delay: 0.7s; }
.orbit i:nth-child(3) { inset: 22%; animation-delay: 1.4s; }
.orbit i:nth-child(4) { inset: 33%; border-color: rgba(217, 165, 75, 0.45); animation-delay: 2.1s; }
.orbit i:nth-child(5) { inset: 44%; animation-delay: 2.8s; }
.orbit__core {
  position: absolute;
  inset: 49.2%;
  border-radius: 50%;
  background: var(--dopa);
  animation: corepulse 4.5s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.04); opacity: 0.75; }
}
@keyframes corepulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 34px rgba(188, 108, 79, 0.5); }
  50% { transform: scale(1.35); box-shadow: 0 0 54px rgba(188, 108, 79, 0.75); }
}

.orbit--center {
  right: 50%;
  transform: translate(50%, -50%);
  width: min(88vw, 900px);
  opacity: 0.55;
}

/* ── Cards genéricas ───────────────────────────────────── */
.card {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.9rem 1.8rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px -18px rgba(36, 64, 46, 0.22); }
.card h3 {
  font-family: var(--font-d);
  font-weight: 500;
  font-size: 1.28rem;
  line-height: 1.25;
  margin-bottom: 0.55rem;
  letter-spacing: -0.01em;
}
.card p { color: var(--mut); font-size: 0.99rem; }

/* ── Sección dolor ─────────────────────────────────────── */
.pain__punch {
  font-family: var(--font-d);
  font-size: clamp(1.5rem, 2.6vw + 0.5rem, 2.3rem);
  font-weight: 450;
  line-height: 1.3;
  letter-spacing: -0.01em;
  text-align: center;
  max-width: 30ch;
  margin: 4.2rem auto 0;
}
.pain__punch mark {
  background: none;
  color: var(--verde-deep);
  font-style: italic;
  box-shadow: inset 0 -0.34em rgba(107, 143, 102, 0.3);
}

/* ── Ciencia / por qué dopamina ────────────────────────── */
.science__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.science__claim {
  font-family: var(--font-d);
  font-size: clamp(1.3rem, 1.8vw + 0.5rem, 1.75rem);
  line-height: 1.35;
  margin-top: 1.6rem;
  max-width: 26ch;
}
.science__claim strong { color: var(--verde-deep); font-weight: 560; }

.chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.8rem; }
.chips li {
  font-size: 0.86rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
}

.synapse {
  position: relative;
  aspect-ratio: 1;
  max-width: 420px;
  width: 100%;
  margin-inline: auto;
}
.synapse i {
  position: absolute;
  border: 1.5px solid rgba(36, 64, 46, 0.18);
  border-radius: 50%;
  animation: breathe 8s ease-in-out infinite;
}
.synapse i:nth-child(1) { inset: 0; }
.synapse i:nth-child(2) { inset: 16%; border-color: rgba(36, 94, 72, 0.4); animation-delay: 0.9s; }
.synapse i:nth-child(3) { inset: 32%; animation-delay: 1.8s; }
.synapse b {
  position: absolute;
  inset: 46%;
  border-radius: 50%;
  background: var(--dopa);
  animation: corepulse 4.5s ease-in-out infinite;
}
.synapse s {
  position: absolute;
  inset: 16%;
  border-radius: 50%;
  animation: orbitspin 14s linear infinite;
}
.synapse s::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--dopa);
}
@keyframes orbitspin { to { transform: rotate(360deg); } }

/* ── Video placeholder ─────────────────────────────────── */
.videosec { text-align: left; }
.video {
  position: relative;
  margin-top: 2.4rem;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  box-shadow: 0 20px 48px -24px rgba(36, 64, 46, 0.4);
}
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  display: block;
  cursor: pointer;
  background: var(--ink);
}
.yt img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
  transition: opacity 0.3s ease, transform 0.45s ease;
}
.yt:hover img { opacity: 1; transform: scale(1.02); }
.yt__play {
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: var(--dopa);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
  transition: transform 0.25s ease, background 0.25s ease;
  animation: ctapulse 2.6s ease-out infinite;
}
.yt:hover .yt__play { transform: scale(1.08); background: var(--dopa-deep); }
.yt__play svg { width: 34px; height: 34px; margin-left: 3px; }

/* ── Método: pilares + fases ───────────────────────────── */
.method__pillars { margin-bottom: 4.5rem; }
.ringdot {
  display: block;
  width: 30px;
  height: 30px;
  border: 2px solid var(--verde);
  border-radius: 50%;
  position: relative;
  margin-bottom: 1.1rem;
}
.ringdot::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--verde);
}
.card--pillar h3 { font-size: 1.34rem; }

.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
  position: relative;
  counter-reset: fase;
}
.phases::before {
  content: "";
  position: absolute;
  top: 27px;
  left: 6%;
  right: 6%;
  height: 1.5px;
  background: var(--line);
}
.phase { position: relative; padding-top: 0.2rem; }
.phase__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: var(--cream);
  font-family: var(--font-d);
  font-style: italic;
  font-size: 1.35rem;
  margin-bottom: 1.1rem;
  position: relative;
  z-index: 1;
  transition: background 0.5s ease, color 0.5s ease, border-color 0.5s ease, transform 0.5s ease;
}
.phases.lit .phase__num {
  background: var(--verde-deep);
  border-color: var(--verde-deep);
  color: #fff;
  transform: scale(1.06);
}
.phases.lit .phase:nth-child(1) .phase__num { transition-delay: 0.1s; }
.phases.lit .phase:nth-child(2) .phase__num { transition-delay: 0.45s; }
.phases.lit .phase:nth-child(3) .phase__num { transition-delay: 0.8s; }
.phases.lit .phase:nth-child(4) .phase__num { transition-delay: 1.15s; }
.phase h3 {
  font-family: var(--font-d);
  font-weight: 500;
  font-size: 1.16rem;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}
.phase p { font-size: 0.95rem; color: var(--mut); }
.phases__cap {
  margin-top: 2.6rem;
  font-family: var(--font-d);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--mut);
  text-align: center;
}

/* ── Visión ────────────────────────────────────────────── */
.vision__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem 3.5rem;
  margin-top: 2.8rem;
  max-width: 980px;
}
.vision__list li {
  position: relative;
  padding-left: 2.1rem;
  font-size: 1.06rem;
  line-height: 1.7;
  color: var(--mut);
}
.vision__list li strong { color: var(--ink); font-weight: 500; display: block; }
.vision__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 15px;
  height: 15px;
  border: 2px solid var(--verde);
  border-radius: 50%;
}

/* ── Testimonios ───────────────────────────────────────── */
.card--quote { display: flex; flex-direction: column; gap: 1rem; }
.card--quote blockquote {
  font-family: var(--font-d);
  font-size: 1.14rem;
  line-height: 1.55;
  font-weight: 430;
  color: var(--ink);
  flex: 1;
}
.card--quote figcaption { font-size: 0.9rem; color: var(--mut); font-weight: 400; }
.tag-demo {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #854f0b;
  background: #faeeda;
  border: 1px solid rgba(133, 79, 11, 0.25);
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
}

/* ── Natalia ───────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}
.portrait { position: relative; max-width: 380px; margin-inline: auto; }
.portrait__disc {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--cream-2);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.portrait__disc img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.portrait__rings { position: absolute; inset: 0; display: none; }
.portrait__rings i {
  position: absolute;
  border: 1px solid rgba(36, 64, 46, 0.16);
  border-radius: 50%;
}
.portrait__rings i:nth-child(1) { inset: 9%; }
.portrait__rings i:nth-child(2) { inset: 20%; border-color: rgba(107, 143, 102, 0.5); }
.portrait__init {
  display: none;
  font-family: var(--font-d);
  font-style: italic;
  font-size: clamp(4rem, 9vw, 6.5rem);
  color: var(--ink);
}
.portrait--empty .portrait__init { display: block; }
.portrait--empty .portrait__rings { display: block; }
.portrait__note {
  display: none;
  text-align: center;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--mut);
  margin-top: 1rem;
}
.hero__media:has(.portrait--empty) .portrait__note,
.about__media:has(.portrait--empty) .portrait__note { display: block; }

/* Hero: Natalia es el centro del círculo */
.portrait--hero { max-width: min(100%, 430px); }
.portrait--hero .portrait__disc {
  border: 1px solid rgba(36, 64, 46, 0.14);
}
.halo { position: absolute; inset: 0; pointer-events: none; }
.halo i {
  position: absolute;
  border: 1px solid rgba(36, 64, 46, 0.16);
  border-radius: 50%;
  animation: breathe 9s ease-in-out infinite;
}
.halo i:nth-child(1) { inset: -10%; }
.halo i:nth-child(2) { inset: -21%; border-color: rgba(107, 143, 102, 0.5); animation-delay: 0.8s; }
.halo i:nth-child(3) { inset: -32%; border-color: rgba(217, 165, 75, 0.5); animation-delay: 1.6s; }
.halo s { position: absolute; inset: -21%; border-radius: 50%; animation: orbitspin 16s linear infinite; }
.halo s::after {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--dopa);
  box-shadow: 0 0 14px rgba(188, 108, 79, 0.7);
}
.about__txt .lead { font-size: 1.07rem; }
.about__txt .lead em { color: var(--verde-deep); }
.about__txt .lead strong { font-weight: 600; }

.stats {
  display: flex;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-top: 2.2rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
}
.stats dt {
  font-family: var(--font-d);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 500;
  color: var(--oro-deep);
  line-height: 1;
}
.stats dd { font-size: 0.85rem; color: var(--mut); margin-top: 0.35rem; }
.about__cred { margin-top: 1.6rem; font-size: 0.9rem; color: var(--mut); }
.about__cred a { color: var(--verde-deep); font-weight: 400; text-decoration: none; }
.about__cred a:hover { text-decoration: underline; }

/* ── Formación: cintas de credenciales ─────────────────── */
.creds { margin-top: clamp(3.5rem, 7vw, 5.5rem); }
.kicker--center { justify-content: center; }
.creds__intro {
  font-family: var(--font-d);
  font-style: italic;
  font-size: clamp(1.4rem, 2.2vw + 0.5rem, 2rem);
  line-height: 1.3;
  text-align: center;
  max-width: 30ch;
  margin-inline: auto;
}
.creds__sub {
  text-align: center;
  color: var(--mut);
  font-size: 0.98rem;
  margin: 0.6rem auto 2.2rem;
}
.marquee {
  overflow: hidden;
  padding-block: 0.45rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: slidepills 46s linear infinite;
}
.marquee--rev .marquee__track { animation-duration: 55s; animation-direction: reverse; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__set { display: flex; gap: 0.9rem; padding-right: 0.9rem; }
.marquee__set span {
  flex: none;
  white-space: nowrap;
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 1.05rem;
}
.marquee__set span::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  border: 2px solid var(--verde);
  border-radius: 50%;
  margin-right: 0.5rem;
  vertical-align: -1px;
}
.marquee__set span:nth-child(3n + 2)::before { border-color: var(--dopa); }
.marquee__set span:nth-child(3n)::before { border-color: var(--oro); }
@keyframes slidepills { to { transform: translateX(-50%); } }

.creds__all {
  max-width: 880px;
  margin: 2.2rem auto 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.5rem;
}
.creds__all summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  list-style: none;
  color: var(--verde-deep);
  font-size: 0.98rem;
}
.creds__all summary::-webkit-details-marker { display: none; }
.creds__all summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: auto;
  flex: none;
  transition: transform 0.25s ease;
}
.creds__all[open] summary::after { transform: rotate(225deg); }
.creds__all ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 2.4rem;
  margin-top: 1.3rem;
}
.creds__all li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.93rem;
  line-height: 1.55;
  color: var(--mut);
}
.creds__all li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--verde);
  border-radius: 50%;
}
.creds__all li strong { color: var(--ink); }

/* ── Programas ─────────────────────────────────────────── */
.programs__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  max-width: 940px;
  align-items: stretch;
}
.plan {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  padding: 2.4rem 2.2rem;
  display: flex;
  flex-direction: column;
  position: relative;
}
.plan--top {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}
.plan__badge {
  position: absolute;
  top: -13px;
  left: 2.2rem;
  background: var(--oro);
  color: var(--ink);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.34rem 0.85rem;
  border-radius: 999px;
}
.plan header { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.plan h3 {
  font-family: var(--font-d);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}
.plan__tag { font-size: 0.84rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--verde-deep); }
.plan--top .plan__tag { color: var(--verde-soft); }
.plan__for {
  font-family: var(--font-d);
  font-style: italic;
  font-size: 1.12rem;
  margin-top: 0.8rem;
  color: var(--verde-deep);
}
.plan--top .plan__for { color: var(--verde-soft); }
.plan__desc { margin-top: 0.4rem; color: var(--mut); font-size: 0.98rem; }
.plan--top .plan__desc { color: var(--mut-dark); }

.feat { margin-block: 1.6rem 2rem; display: grid; gap: 0.7rem; flex: 1; }
.feat li {
  position: relative;
  padding-left: 1.7rem;
  font-size: 0.95rem;
  color: var(--ink);
}
.plan--top .feat li { color: var(--cream); }
.feat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 12px;
  height: 12px;
  border: 2px solid var(--verde);
  border-radius: 50%;
}
.plan--top .feat li::before { border-color: var(--verde-soft); }
.plan .btn { justify-content: center; }

/* Es para vos / no es para vos */
.fit {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  max-width: 940px;
  margin-top: 3.2rem;
}
.fit__col {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.8rem;
  background: transparent;
}
.fit__col h3 {
  font-family: var(--font-d);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--verde-deep);
}
.fit__col--no h3 { color: var(--dopa-deep); }
.fit__col ul { display: grid; gap: 0.6rem; }
.fit__col li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.96rem;
  color: var(--mut);
}
.fit__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--verde);
  opacity: 0.7;
}
.fit__col--no li::before { background: var(--dopa); }

/* ── CTA final ─────────────────────────────────────────── */
.final { overflow: hidden; text-align: center; }
.final__in { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }
.final__title {
  font-family: var(--font-d);
  font-weight: 440;
  font-size: clamp(2.4rem, 5vw + 0.5rem, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.4rem;
}
.final__title em { font-style: italic; color: var(--dopa-deep); }
.final .lead { max-width: 52ch; margin-inline: auto; }
.final__cta { justify-content: center; margin-top: 2.2rem; }

/* ── Contacto / formulario ─────────────────────────────── */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.channels { display: grid; gap: 0.9rem; margin-top: 2rem; }
.channels a {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.98rem;
  font-weight: 400;
  text-decoration: none;
  color: var(--ink);
  transition: color 0.2s ease;
  word-break: break-all;
}
.channels a:hover { color: var(--verde-deep); }
.channels svg { width: 20px; height: 20px; color: var(--verde-deep); flex: none; }

.form { display: grid; gap: 1.1rem; padding: 2.2rem; }
.form:hover { transform: none; box-shadow: none; }
.form__row { display: grid; gap: 0.4rem; }
.form label { font-size: 0.9rem; font-weight: 500; }
.form label b { color: var(--dopa-deep); }
.form label span { color: var(--mut); font-weight: 400; }
.form input,
.form textarea {
  font: inherit;
  font-weight: 400;
  font-size: 0.97rem;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.78rem 1rem;
  width: 100%;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form input::placeholder,
.form textarea::placeholder { color: #a89a89; }
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--verde);
  box-shadow: 0 0 0 3px rgba(47, 122, 94, 0.15);
}
.form textarea { resize: vertical; min-height: 120px; }
.hp { position: absolute !important; left: -9999px !important; height: 0; opacity: 0; }
.form__send { justify-content: center; margin-top: 0.3rem; }
.form__send[disabled] { opacity: 0.6; cursor: wait; }
.form__status { font-size: 0.92rem; font-weight: 400; min-height: 1.4em; margin-top: -0.3rem; }
.form__status.ok { color: var(--verde-deep); }
.form__status.err { color: var(--dopa-deep); }

/* ── Footer ────────────────────────────────────────────── */
.foot { background: var(--ink); color: var(--cream); padding-block: 3.5rem 1.8rem; }
.foot__in {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2.4rem;
  border-bottom: 1px solid var(--line-dark);
}
.brand--foot { color: var(--cream); }
.brand--foot .brand__name em { color: var(--dopa-soft); }
.foot__line { color: var(--mut-dark); font-size: 0.95rem; margin-top: 0.8rem; max-width: 34ch; }
.foot__nav { display: flex; gap: 1.6rem; }
.foot__nav a {
  font-size: 0.94rem;
  font-weight: 400;
  color: var(--mut-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}
.foot__nav a:hover { color: var(--cream); }
.foot__base {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.6rem;
  font-size: 0.82rem;
  color: var(--mut-dark);
}
.foot__base p:last-child { font-style: italic; }

/* ── WhatsApp flotante ─────────────────────────────────── */
.wa-float {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px -6px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.wa-float.show { opacity: 1; transform: none; pointer-events: auto; }
.wa-float svg { width: 28px; height: 28px; }
.wa-float:hover { transform: scale(1.07); }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 1000px) {
  .grid3 { grid-template-columns: 1fr 1fr; }
  .phases { grid-template-columns: 1fr 1fr; gap: 2.2rem 1.4rem; }
  .phases::before { display: none; }
  .science__grid { grid-template-columns: 1fr; }
  .synapse { max-width: 320px; margin-top: 1rem; }
  .about__grid { grid-template-columns: 1fr; }
  .portrait { max-width: 280px; }
  .contact__grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 7.5rem; }
  .hero__in { grid-template-columns: 1fr; }
  .hero__media { order: -1; }
  .portrait--hero { max-width: min(52vw, 300px); }
}

@media (max-width: 760px) {
  .nav {
    position: fixed;
    inset: 0;
    background: var(--ink);
    color: var(--cream);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    font-size: 1.4rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 95;
  }
  .nav.open { opacity: 1; pointer-events: auto; }
  .nav a:not(.btn) { font-family: var(--font-d); font-size: 1.7rem; opacity: 1; }
  .nav .btn { font-size: 1rem; }

  .burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 96;
    padding: 10px;
  }
  .burger span {
    display: block;
    height: 2px;
    width: 100%;
    background: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .top.menu-open { color: var(--cream); }
  .top.menu-open .burger span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
  .top.menu-open .burger span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

  .grid3 { grid-template-columns: 1fr; }
  .phases { grid-template-columns: 1fr; }
  .vision__list { grid-template-columns: 1fr; }
  .programs__grid { grid-template-columns: 1fr; }
  .fit { grid-template-columns: 1fr; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .portrait--hero { max-width: min(64vw, 250px); }
  .creds__all ul { grid-template-columns: 1fr; }
  .stats { flex-wrap: wrap; }
  .foot__in, .foot__base { flex-direction: column; }
  .foot__base { gap: 0.2rem; }
}

/* ── Accesibilidad: menos movimiento ───────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .rv { opacity: 1; transform: none; }
}
