/* ==========================================================================
   S.A.Ne.O. — Sociedad Argentina de Neuroortopedia
   Hoja de estilos principal
   ========================================================================== */

:root {
  /* Paleta institucional */
  --azul-petroleo: #17495a;
  --azul-petroleo-dark: #0e3341;
  --azul-petroleo-darker: #0a2733;
  --naranja: #f2761f;
  --naranja-dark: #d9640f;
  --amarillo: #f4a828;
  --crema: #fdf5ea;
  --crema-suave: #fbeee0;
  --blanco: #ffffff;
  --texto: #17495a;
  --texto-muted: #4a6c78;
  --borde: #e7ddcd;

  /* Tipografía */
  --font-display: 'Poppins', 'Manrope', sans-serif;
  --font-body: 'Manrope', sans-serif;

  /* Layout */
  --container-w: 1240px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-soft: 0 10px 30px rgba(15, 51, 65, 0.08);
  --header-h: 88px;

  --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--texto);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; background: none; border: none; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; color: var(--azul-petroleo); }
p { margin: 0; }

@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; scroll-behavior: auto !important; }
}

:focus-visible {
  outline: 3px solid var(--amarillo);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--azul-petroleo);
  color: var(--blanco);
  padding: .8rem 1.2rem;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.text-orange { color: var(--naranja); }

.section-title {
  font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
}
.section-title.center { text-align: center; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .03em;
  padding: .95rem 1.7rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}
.btn-sm { padding: .7rem 1.3rem; font-size: .78rem; }

.btn-orange {
  background: var(--naranja);
  color: var(--blanco);
}
.btn-orange:hover { background: var(--naranja-dark); box-shadow: 0 8px 20px rgba(242, 118, 31, .35); }

.btn-outline {
  background: transparent;
  color: var(--azul-petroleo);
  border: 1.5px solid var(--azul-petroleo);
}
.btn-outline:hover { background: var(--azul-petroleo); color: var(--blanco); }

.btn-outline-light {
  background: transparent;
  color: var(--blanco);
  border: 1.5px solid rgba(255,255,255,.8);
}
.btn-outline-light:hover { background: var(--blanco); color: var(--azul-petroleo); }

.btn-white {
  background: var(--blanco);
  color: var(--naranja-dark);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.15); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--header-h);
}
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { height: 46px; width: auto; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  margin-left: auto;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--azul-petroleo); transition: transform .25s var(--ease), opacity .25s var(--ease); }

.primary-nav { flex: 1; }
.primary-nav > ul { display: flex; align-items: center; gap: 1.7rem; }
.primary-nav a, .dropdown-trigger {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--azul-petroleo);
  padding: .5rem 0;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.primary-nav a.active,
.primary-nav a:hover,
.dropdown-trigger:hover { color: var(--naranja); }
.dropdown-trigger svg { transition: transform .2s var(--ease); }

.has-dropdown { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + .8rem);
  left: -1rem;
  background: var(--blanco);
  min-width: 210px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--borde);
  padding: .5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.has-dropdown:hover .dropdown-trigger svg { transform: rotate(180deg); }
.dropdown li a {
  display: block;
  padding: .6rem .8rem;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: normal;
  border-radius: 6px;
  color: var(--texto);
}
.dropdown li a:hover { background: var(--crema); color: var(--naranja); }

.header-actions { display: flex; align-items: center; gap: .7rem; flex-shrink: 0; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--azul-petroleo-darker);
}
.hero-media { position: absolute; inset: 0; }
.hero-photo { position: absolute; inset: 0; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 35%; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--azul-petroleo-darker) 0%, rgba(14,51,65,.94) 32%, rgba(14,51,65,.55) 56%, rgba(14,51,65,.08) 78%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 3rem;
  padding-bottom: 4rem;
  max-width: 620px;
}
.hero h1 {
  color: var(--blanco);
  font-size: clamp(1.9rem, 1.3rem + 2.6vw, 2.9rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: .01em;
}
.hero-subtitle {
  color: var(--amarillo);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, .9rem + .6vw, 1.3rem);
  margin-top: .9rem;
}
.hero-text {
  color: rgba(255,255,255,.88);
  font-size: 1rem;
  max-width: 480px;
  margin-top: .9rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.8rem; }
.hero-dots {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: .5rem;
}
.hero-dots .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,.45);
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.hero-dots .dot.active { background: var(--blanco); transform: scale(1.2); }

/* ---------- Placeholders de imagen ---------- */
.placeholder-img {
  background: repeating-linear-gradient(135deg, #e3edf0, #e3edf0 14px, #d7e5e9 14px, #d7e5e9 28px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--azul-petroleo);
}
.placeholder-tag {
  background: rgba(255,255,255,.92);
  border: 1px dashed var(--azul-petroleo);
  border-radius: 8px;
  padding: .9rem 1.2rem;
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.4;
  max-width: 300px;
}
.placeholder-tag--sm { font-size: .68rem; padding: .55rem .8rem; max-width: 220px; }

/* ---------- Somos SANeO ---------- */
.somos { padding: 5.5rem 0; background: var(--blanco); }
.somos-text {
  max-width: 780px;
  margin: 1.2rem auto 0;
  text-align: center;
  color: var(--texto-muted);
  font-size: 1rem;
}
.pillars {
  margin-top: 3.2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.pillar {
  text-align: center;
  padding: 0 1.4rem;
  border-left: 1px solid var(--borde);
}
.pillar:first-child { border-left: none; }
.icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: var(--crema-suave);
  color: var(--naranja);
  margin-bottom: 1.1rem;
}
.pillar h3 {
  font-size: .85rem;
  letter-spacing: .04em;
  margin-bottom: .5rem;
}
.pillar p { color: var(--texto-muted); font-size: .88rem; }

/* ---------- Próxima actividad ---------- */
.proxima-actividad { background: var(--crema); }
.proxima-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 560px;
}
.proxima-info { display: flex; align-items: center; padding: 4rem 3rem; }
.proxima-info-inner { max-width: 480px; }
.eyebrow-rule { display: none; }
.tag-pill {
  display: inline-block;
  background: var(--naranja);
  color: var(--blanco);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .68rem;
  letter-spacing: .04em;
  padding: .35rem .85rem;
  border-radius: 999px;
  margin: 1.3rem 0 .8rem;
}
.proxima-titulo { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.7rem); margin-bottom: 1.3rem; }
.proxima-datos { display: flex; flex-direction: column; gap: .7rem; margin-bottom: 1.3rem; }
.proxima-datos li {
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--texto-muted);
  font-size: .92rem;
  font-weight: 500;
}
.proxima-datos svg { color: var(--naranja); flex-shrink: 0; }
.proxima-texto { color: var(--texto-muted); margin-bottom: 1.8rem; }
.proxima-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.proxima-media { min-height: 340px; overflow: hidden; }
.proxima-media img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Actualidad ---------- */
.actualidad { padding: 5.5rem 0; background: var(--blanco); }
.actualidad-head {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 3rem;
}
.actualidad-head .btn { position: absolute; right: 0; }
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(15,51,65,.12); }
.card-media { aspect-ratio: 16/10; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.card-body { padding: 1.5rem 1.4rem 1.7rem; }
.card-body h3 { font-size: 1.08rem; margin: .6rem 0 .5rem; }
.card-date {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: var(--naranja-dark);
  font-size: .78rem;
  font-weight: 600;
}
.card-body > p:not(.card-date) { color: var(--texto-muted); font-size: .88rem; margin-bottom: 1rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .8rem;
  color: var(--naranja);
  transition: gap .2s var(--ease);
}
.card-link:hover { gap: .55rem; }

/* ---------- Formación SANeO ---------- */
.formacion { background: var(--crema-suave); padding: 5.5rem 0; }
.formacion-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 3.5rem;
  align-items: center;
}
.formacion-info p { color: var(--texto-muted); margin: 1.1rem 0 1.8rem; max-width: 420px; }
.formacion-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}
.formacion-items--3 { grid-template-columns: repeat(3, 1fr); }
.formacion-item {
  background: var(--blanco);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--shadow-soft);
}
.formacion-item .icon-circle { width: 54px; height: 54px; margin-bottom: 1rem; }
.formacion-item h3 { font-size: .82rem; letter-spacing: .03em; margin-bottom: .35rem; }
.formacion-item p { color: var(--texto-muted); font-size: .85rem; }

/* ---------- Qué es la Neuroortopedia ---------- */
.neuroortopedia { padding: 5.5rem 0; background: var(--blanco); }
.neuro-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 3rem;
  align-items: center;
}
.neuro-info p { color: var(--texto-muted); margin: 1.1rem 0 1.8rem; }
.neuro-formula {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .9rem;
}
.formula-item { display: flex; flex-direction: column; align-items: center; text-align: center; width: 96px; }
.formula-item .icon-circle { width: 62px; height: 62px; margin-bottom: .7rem; }
.formula-label { font-size: .68rem; font-weight: 700; letter-spacing: .03em; color: var(--azul-petroleo); }
.formula-op { font-size: 1.4rem; font-weight: 700; color: var(--naranja); }
.formula-result {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: var(--naranja);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .74rem;
  line-height: 1.3;
}

/* ---------- Bloque asociarse ---------- */
.asociarse { background: var(--naranja); padding: 3.2rem 0; }
.asociarse-inner {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 2.5rem;
}
.asociarse-icon {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.asociarse-text h2 { color: var(--blanco); font-size: 1.4rem; margin-bottom: .3rem; }
.asociarse-text p { color: rgba(255,255,255,.9); font-size: .92rem; }
.asociarse-beneficios {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
}
.asociarse-beneficios li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--blanco);
  font-size: .74rem;
  font-weight: 600;
  text-align: center;
  width: 100px;
}
.asociarse-cta { display: flex; flex-direction: column; align-items: flex-start; gap: .6rem; }
.asociarse-login { color: var(--blanco); font-size: .8rem; }
.asociarse-login a { text-decoration: underline; font-weight: 700; }

/* ---------- Footer ---------- */
.site-footer { background: var(--azul-petroleo-dark); color: rgba(255,255,255,.85); }
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: 2rem;
  padding: 4.5rem 24px 3rem;
}
.footer-brand .logo-img { height: 52px; }
.footer-tagline { margin: 1rem 0 1.4rem; font-size: .88rem; color: rgba(255,255,255,.75); max-width: 240px; }
.footer-social { display: flex; gap: .7rem; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.footer-social a:hover { background: var(--naranja); border-color: var(--naranja); }

.footer-col h3 {
  color: var(--amarillo);
  font-size: .74rem;
  letter-spacing: .05em;
  margin-bottom: 1.1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: .65rem; }
.footer-col a { font-size: .86rem; color: rgba(255,255,255,.8); transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--naranja); }
.footer-contact li { display: flex; align-items: flex-start; gap: .5rem; font-size: .86rem; color: rgba(255,255,255,.8); }
.footer-contact svg { flex-shrink: 0; margin-top: 2px; color: var(--amarillo); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  padding: 1.4rem 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: .78rem;
  color: rgba(255,255,255,.65);
}
.footer-bottom ul { display: flex; gap: 1.6rem; }
.footer-bottom a:hover { color: var(--blanco); }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--azul-petroleo);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  z-index: 400;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--naranja); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Página interna: encabezado ---------- */
.page-header {
  background: var(--crema);
  padding: 3rem 0 3.2rem;
  border-bottom: 1px solid var(--borde);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--texto-muted);
  margin-bottom: 1.4rem;
}
.breadcrumb a { color: var(--texto-muted); transition: color .2s var(--ease); }
.breadcrumb a:hover { color: var(--naranja); }
.breadcrumb span:last-child { color: var(--azul-petroleo); font-weight: 600; }
.page-title {
  font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.5rem);
  font-weight: 800;
  margin: .9rem 0 .4rem;
}
.page-subtitle { color: var(--texto-muted); font-size: 1rem; font-weight: 500; }

/* ---------- Comisión Directiva ---------- */
.comision { padding: 5rem 0; background: var(--blanco); }
.comision--alt { background: var(--crema-suave); }
.comision .section-title { margin-bottom: 2.6rem; }

.members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.member-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius-md);
  padding: 1.7rem 1.6rem;
  box-shadow: var(--shadow-soft);
  border-top: 3px solid var(--naranja);
}
.member-card--featured {
  background: var(--azul-petroleo);
  border-top-color: var(--amarillo);
  border-color: var(--azul-petroleo);
  grid-column: span 3;
}
.member-card--featured .member-role { color: var(--amarillo); }
.member-card--featured .member-name { color: var(--blanco); font-size: 1.3rem; }
.member-role {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .68rem;
  letter-spacing: .05em;
  color: var(--naranja);
  text-transform: uppercase;
  margin-bottom: .55rem;
}
.member-name { font-size: 1.05rem; margin-bottom: .4rem; }
.member-info { color: var(--texto-muted); font-size: .84rem; line-height: 1.5; }

.vocales-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}
.vocal-list { display: flex; flex-direction: column; gap: 1.3rem; }
.vocal-list li {
  background: var(--blanco);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.4rem;
  border-left: 3px solid var(--naranja);
  box-shadow: var(--shadow-soft);
}
.vocal-list h3 { font-size: .98rem; margin-bottom: .3rem; }
.vocal-list p { color: var(--texto-muted); font-size: .84rem; line-height: 1.5; }

@media (max-width: 780px) {
  .members-grid { grid-template-columns: 1fr 1fr; }
  .member-card--featured { grid-column: span 2; }
  .vocales-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 520px) {
  .members-grid { grid-template-columns: 1fr; }
  .member-card--featured { grid-column: span 1; }
}



@media (max-width: 1080px) {
  .footer-top { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--blanco);
    padding: 1.5rem 24px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .3s var(--ease);
  }
  .primary-nav.open { transform: translateX(0); }
  .primary-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav > ul > li { border-bottom: 1px solid var(--borde); }
  .primary-nav a, .dropdown-trigger { padding: 1rem 0; width: 100%; justify-content: space-between; }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    display: none;
    padding-left: 1rem;
  }
  .has-dropdown.open .dropdown { display: block; }
  .has-dropdown.open .dropdown-trigger svg { transform: rotate(180deg); }
  .header-actions { display: none; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .pillars { grid-template-columns: 1fr 1fr; gap: 2.2rem 0; }
  .pillar { border-left: none; padding: 0 1rem; }

  .proxima-grid { grid-template-columns: 1fr; }
  .proxima-media { min-height: 300px; order: -1; }
  .proxima-info { padding: 3rem 1.6rem; }

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

  .formacion-grid { grid-template-columns: 1fr; }
  .formacion-items { grid-template-columns: 1fr 1fr; }

  .neuro-grid { grid-template-columns: 1fr; }
  .neuro-formula { justify-content: flex-start; }

  .asociarse-inner { grid-template-columns: 1fr; text-align: center; }
  .asociarse-icon { margin: 0 auto; }
  .asociarse-beneficios { justify-content: center; }
  .asociarse-cta { align-items: center; }

  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 18px; }
  .hero { min-height: 520px; }
  .hero-content { padding-top: 2.2rem; padding-bottom: 3rem; }
  .hero-overlay { background: linear-gradient(180deg, rgba(14,51,65,.55) 0%, rgba(14,51,65,.85) 55%, var(--azul-petroleo-darker) 100%); }
  .pillars { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .formacion-items { grid-template-columns: 1fr; }
  .actualidad-head { flex-direction: column; gap: 1rem; }
  .actualidad-head .btn { position: static; }
  .footer-top { grid-template-columns: 1fr; padding: 3rem 18px 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .asociarse-beneficios li { width: 80px; }
  .logo-img { height: 36px; }
}

/* ---------- Quiénes somos: introducción ---------- */
.quienes-intro { padding: 4.5rem 0 1rem; background: var(--blanco); }
.intro-text { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 1.2rem; }
.intro-text p { color: var(--texto-muted); font-size: 1.02rem; line-height: 1.75; }

/* ---------- Misión y visión ---------- */
.mision-vision { padding: 3.5rem 0 4.5rem; background: var(--blanco); }
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; }
.mv-card {
  background: var(--crema-suave);
  border-radius: var(--radius-lg);
  padding: 2.4rem 2.2rem;
}
.mv-card .icon-circle { background: var(--blanco); margin-bottom: 1.2rem; }
.mv-card h2 { font-size: 1.25rem; margin-bottom: .8rem; }
.mv-card p { color: var(--texto-muted); font-size: .95rem; line-height: 1.65; }

/* ---------- Pilares institucionales (página Quiénes somos) ---------- */
.pilares-institucionales { padding: 1rem 0 5.5rem; background: var(--blanco); }
.pillars--4 { grid-template-columns: repeat(4, 1fr); }
.pillars--4 .pillar p { margin-top: .2rem; }

@media (max-width: 780px) {
  .mv-grid { grid-template-columns: 1fr; }
  .pillars--4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .pillars--4 { grid-template-columns: 1fr; }
}

/* ---------- Foto de miembro en cards de la Comisión Directiva ---------- */
.member-card--photo { text-align: center; padding-top: 1.9rem; }
.member-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 3px solid var(--crema-suave);
  box-shadow: var(--shadow-soft);
}

/* ---------- Historia: hitos (timeline) ---------- */
.hitos { padding: 5.5rem 0; background: var(--blanco); }
.hitos .section-title { margin-bottom: 3.2rem; }

.timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 2.6rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--borde);
}
.timeline-item {
  position: relative;
  padding-bottom: 2.6rem;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -2.6rem;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--naranja);
  border: 4px solid var(--blanco);
  box-shadow: 0 0 0 2px var(--borde);
}
.timeline-year {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--naranja);
  margin-bottom: .4rem;
}
.timeline-item h3 { font-size: 1.08rem; margin-bottom: .45rem; }
.timeline-item p { color: var(--texto-muted); font-size: .92rem; line-height: 1.65; }

/* ---------- Historia: cierre ---------- */
.historia-cierre { background: var(--azul-petroleo); padding: 4rem 0; }
.historia-cierre-inner { max-width: 700px; margin: 0 auto; text-align: center; }
.historia-cierre-inner h2 { color: var(--blanco); font-size: 1.5rem; margin-bottom: 1rem; }
.historia-cierre-inner p { color: rgba(255,255,255,.88); font-size: .98rem; line-height: 1.7; margin-bottom: .9rem; }
.historia-cierre-inner p:last-child { margin-bottom: 0; }

@media (max-width: 640px) {
  .timeline { padding-left: 2.2rem; }
  .timeline-dot { left: -2.2rem; }
}

/* ---------- Estatuto: Acta Fundacional ---------- */
.acta { padding: 1rem 0 5.5rem; background: var(--blanco); }
.acta .section-title { margin-bottom: 3rem; }

.acta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.4rem;
  max-width: 900px;
  margin: 0 auto;
}
.acta-doc {
  margin: 0;
  background: var(--crema-suave);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.4rem 1.6rem;
  text-align: center;
}
.acta-doc img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 14px 30px rgba(15,51,65,.16);
  border: 1px solid var(--borde);
}
.acta-doc figcaption {
  margin-top: 1rem;
  font-size: .82rem;
  font-weight: 600;
  color: var(--azul-petroleo);
}
.acta-nota {
  max-width: 700px;
  margin: 2.4rem auto 0;
  text-align: center;
  color: var(--texto-muted);
  font-size: .85rem;
  font-style: italic;
}

@media (max-width: 700px) {
  .acta-grid { grid-template-columns: 1fr; max-width: 420px; }
}

/* ---------- Cursos: Curso Oficial y temas ---------- */
.intro-text--sm { max-width: 700px; gap: 1rem; margin-bottom: 2.6rem; }

.curso-oficial { padding: 1rem 0 5.5rem; background: var(--crema-suave); }
.curso-oficial .section-title { margin-bottom: 1.6rem; }
.curso-oficial .intro-text--sm { margin-left: auto; margin-right: auto; text-align: center; }

.temas-title {
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--azul-petroleo);
  margin-bottom: 1.4rem;
}
.temas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .9rem;
  max-width: 940px;
  margin: 0 auto;
}
.temas-grid li {
  background: var(--blanco);
  border-radius: 999px;
  padding: .75rem 1.2rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--azul-petroleo);
  text-align: center;
  box-shadow: var(--shadow-soft);
  position: relative;
  padding-left: 1.8rem;
}
.temas-grid li::before {
  content: '';
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--naranja);
}

/* ---------- Cursos: formación interdisciplinaria ---------- */
.formacion-interdisciplinaria { padding: 1rem 0 5.5rem; background: var(--blanco); }
.formacion-interdisciplinaria .section-title { margin-bottom: 1.6rem; }
.formacion-interdisciplinaria .intro-text--sm { margin-left: auto; margin-right: auto; text-align: center; }

.disciplinas-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .8rem;
  max-width: 720px;
  margin: 0 auto;
}
.disciplinas-list li {
  background: var(--azul-petroleo);
  color: var(--blanco);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .02em;
  padding: .6rem 1.3rem;
  border-radius: 999px;
}

@media (max-width: 780px) {
  .temas-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .temas-grid { grid-template-columns: 1fr; }
}

/* ---------- Preguntas frecuentes (acordeón) ---------- */
.faq { padding: 1rem 0 5.5rem; background: var(--blanco); }
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.faq-item {
  background: var(--crema-suave);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.2rem 3rem 1.2rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .92rem;
  color: var(--azul-petroleo);
  position: relative;
  transition: color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--naranja);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  transition: transform .2s var(--ease);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item summary:hover { color: var(--naranja); }
.faq-answer {
  padding: 0 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.faq-answer p { color: var(--texto-muted); font-size: .88rem; line-height: 1.65; }

/* ---------- Cómo asociarse: pasos numerados ---------- */
.pasos { padding: 1rem 0 5.5rem; background: var(--blanco); }
.pasos .section-title { margin-bottom: 3rem; }

.pasos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.6rem;
}
.paso-card {
  background: var(--crema-suave);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.5rem;
  text-align: center;
}
.paso-numero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--naranja);
  color: var(--blanco);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1.1rem;
}
.paso-card h3 { font-size: .95rem; margin-bottom: .55rem; }
.paso-card p { color: var(--texto-muted); font-size: .85rem; line-height: 1.55; }

.historia-cierre-inner .btn { margin-top: 1.5rem; }

@media (max-width: 900px) {
  .pasos-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .pasos-grid { grid-template-columns: 1fr; }
}

/* ---------- Beneficios de ser socio ---------- */
.beneficios { padding: 1rem 0 5.5rem; background: var(--blanco); }
.beneficios .section-title { margin-bottom: 3rem; }

.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}
.beneficio-card {
  background: var(--crema-suave);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.6rem;
  text-align: center;
}
.beneficio-card .icon-circle { background: var(--blanco); margin: 0 auto 1.1rem; }
.beneficio-card h3 { font-size: .92rem; margin-bottom: .6rem; line-height: 1.35; }
.beneficio-card p { color: var(--texto-muted); font-size: .85rem; line-height: 1.6; }
.beneficio-card--full { grid-column: 2 / 3; }

@media (max-width: 900px) {
  .beneficios-grid { grid-template-columns: 1fr 1fr; }
  .beneficio-card--full { grid-column: 1 / -1; max-width: 360px; margin: 0 auto; }
}
@media (max-width: 560px) {
  .beneficios-grid { grid-template-columns: 1fr; }
  .beneficio-card--full { max-width: none; }
}

/* ---------- Actividades anteriores: álbumes de fotos ---------- */
.album { padding: 1rem 0 4.5rem; background: var(--blanco); }
.album + .album { padding-top: 0; border-top: 1px solid var(--borde); margin-top: 1rem; padding-top: 3.5rem; }
.album-head { text-align: center; margin-bottom: 2.6rem; }
.album-head .tag-pill { margin-bottom: 1rem; }
.album-head .section-title { max-width: 680px; margin: 0 auto; }
.album-subtitle { color: var(--texto-muted); font-size: .92rem; font-weight: 500; margin-top: .6rem; }

.album-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.album-foto {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 3/4;
}
.album-foto img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s var(--ease); }
.album-foto:hover img { transform: scale(1.04); }
.album-foto--ancha { grid-column: span 2; aspect-ratio: 4/3; }

@media (max-width: 860px) {
  .album-grid { grid-template-columns: repeat(2, 1fr); }
  .album-foto--ancha { grid-column: span 2; }
}
@media (max-width: 520px) {
  .album-grid { grid-template-columns: 1fr; }
  .album-foto--ancha { grid-column: span 1; }
}