/* =============================================================
   Feria Corazón de IPES
   Primer Encuentro Internacional de Plazas de Mercado
   ============================================================= */

:root {
  --rojo: #d71920;
  --rojo-oscuro: #9f1016;
  --rojo-profundo: #650b10;
  --amarillo: #ffd43b;
  --amarillo-claro: #fff1a8;
  --crema: #fff9e8;
  --blanco: #ffffff;
  --hueso: #f6f3ec;
  --arena: #eadfca;
  --azul: #1b3258;
  --negro: #191717;
  --gris: #615b57;
  --gris-claro: #d7d2cc;
  --borde: #e7e1d8;
  --sombra: 0 14px 38px rgba(36, 21, 18, 0.11);
  --sombra-hover: 0 20px 50px rgba(36, 21, 18, 0.16);
  --radio: 20px;
  --radio-sm: 12px;
  --ancho: 1180px;
  --ancho-agenda: 980px;
  --transicion: 200ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  color: var(--negro);
  background: var(--blanco);
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

img,
video,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
textarea,
select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

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

h1,
h2,
h3,
h4 {
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.9rem);
  font-weight: 900;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.9rem, 3.2vw, 3.1rem);
  font-weight: 880;
}

h3 {
  font-size: 1.25rem;
}

::selection {
  color: var(--negro);
  background: var(--amarillo);
}

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

[hidden],
.hidden {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 12px;
  left: 12px;
  padding: 0.65rem 1rem;
  color: var(--blanco);
  background: var(--negro);
  border-radius: 8px;
  transform: translateY(-160%);
  transition: transform var(--transicion);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--ancho));
  margin-inline: auto;
}

.container--narrow {
  width: min(calc(100% - 40px), var(--ancho-agenda));
}

.section {
  padding: clamp(2.6rem, 6vw, 2.4rem) 0;
}

.section--pattern {
  background-color: var(--blanco);
  background-image: var(--patron-fondo, url("../images/optimized/Fondo_Patron_frutas.webp"));
  background-repeat: repeat;
  background-size: auto;
}

.section-heading {
  max-width: 800px;
  margin-bottom: 1.2rem;
}

.section-heading--split {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 2.4rem;
  align-items: end;
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading--small {
  margin-bottom: 1.5rem;
}

.section-heading p:last-child,
.section-heading > div + p {
  margin-bottom: 0;
  color: var(--gris);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 0.75rem;
  align-items: center;
  gap: 0.55rem;
  color: var(--rojo);
  font-size: 0.74rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 26px;
  height: 4px;
  background: var(--amarillo);
  border-radius: 999px;
  content: "";
}

.eyebrow--light {
  color: var(--amarillo);
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0.75rem 1.25rem;
  border: 2px solid var(--rojo);
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  background: var(--rojo);
  box-shadow: 0 8px 20px rgba(215, 25, 32, 0.2);
  font-size: 0.82rem;
  font-weight: 820;
  letter-spacing: 0.035em;
  line-height: 1.2;
  text-align: center;
  text-transform: uppercase;
  transition: color var(--transicion), background var(--transicion), border-color var(--transicion), transform var(--transicion), box-shadow var(--transicion);
}

.button:hover {
  color: var(--negro);
  background: var(--amarillo);
  border-color: var(--amarillo);
  transform: translateY(-2px);
}

.button--small {
  min-height: 40px;
  padding: 0.6rem 1rem;
  font-size: 0.7rem;
}

.button--yellow {
  color: var(--negro);
  background: var(--amarillo);
  border-color: var(--amarillo);
  box-shadow: none;
}

.button--yellow:hover {
  color: var(--blanco);
  background: transparent;
  border-color: var(--blanco);
}

a.is-placeholder,
button.is-placeholder {
  cursor: not-allowed;
}

/* =============================================================
   BARRAS INSTITUCIONALES Y NAVEGACIÓN
   ============================================================= */

.site-header {
  position: relative;
  z-index: 100;
}

.date-strip {
  display: flex;
  min-height: 32px;
  padding: 0.4rem 20px;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  color: var(--negro);
  background: var(--amarillo);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.045em;
  text-align: center;
  text-transform: uppercase;
}

.date-strip p {
  margin: 0;
}

.main-nav {
  background: var(--rojo);
}

.main-nav__inner {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: block;
  width: clamp(165px, 17vw, 218px);
  flex: 0 0 auto;
}

.brand img {
  width: 100%;
  max-height: 60px;
  object-fit: contain;
  object-position: left center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.4vw, 1.25rem);
}

.nav-link {
  position: relative;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.73rem;
  font-weight: 750;
  white-space: nowrap;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 3px;
  background: var(--amarillo);
  border-radius: 999px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transicion);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 21px;
  height: 2px;
  margin: 5px auto;
  background: var(--blanco);
  border-radius: 2px;
  transition: transform var(--transicion), opacity var(--transicion);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================================
   HERO
   ============================================================= */

.hero {
  position: relative;
  padding: 2.4rem 0 2.4rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 16%, rgba(255, 212, 59, 0.28), transparent 23%),
    linear-gradient(135deg, #fffdf8 0%, var(--crema) 62%, #fff 100%);
}

.hero::after {
  position: absolute;
  top: 12%;
  right: 3%;
  width: 68px;
  height: 68px;
  background: var(--amarillo);
  content: "";
  transform: rotate(16deg);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(390px, 0.96fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__content h1 {
  max-width: 760px;
  margin-bottom: 1.1rem;
}

.hero__lead {
  max-width: 680px;
  margin-bottom: 1.3rem;
  color: #4e4844;
  font-size: clamp(1rem, 1.4vw, 1.14rem);
}

.hero__meta {
  display: flex;
  margin: 0;
  padding: 0;
  gap: 0.75rem;
  list-style: none;
}

.hero__meta li {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--borde);
  border-radius: 12px;
  background: rgba(255, 193, 21, 0.938);
  box-shadow: 0 6px 16px rgba(36, 21, 18, 0.05);
}

.hero__meta strong,
.hero__meta span {
  display: block;
}

.hero__meta strong {
  font-size: 0.83rem;
}

.hero__meta span {
  color: var(--gris);
  font-size: 0.72rem;
}

.hero__gallery {
  display: grid;
  min-height: 410px;
  padding: 10px;
  border: 8px solid var(--blanco);
  border-radius: 28px;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  background: var(--rojo);
  box-shadow: var(--sombra);
}

.hero__photo {
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 14px;
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.hero__photo:hover img {
  transform: scale(1.04);
}

.hero__photo--main {
  grid-row: 1 / 3;
}

.registration-banner {
  position: relative;
  z-index: 2;
  display: block;
  width: min(100%, 980px);
  margin: 2.2rem auto 0;
  overflow: hidden;
  border: 6px solid var(--blanco);
  border-radius: 18px;
  box-shadow: var(--sombra);
  transition: transform var(--transicion), box-shadow var(--transicion);
}

.registration-banner:hover {
  box-shadow: var(--sombra-hover);
  transform: translateY(-3px);
}

.registration-banner img {
  width: 100%;
  height: auto;
}

/* =============================================================
   EL CONGRESO
   ============================================================= */

.congress-message {
  display: grid;
  margin-bottom: 1.2rem;
  padding: 1.8rem 2rem;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 26px rgba(36, 21, 18, 0.06);
  grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr);
  gap: 1.8rem;
  align-items: center;
}

.congress-message p {
  max-width: 620px;
  margin: 0;
  color: var(--gris);
  font-size: 1.05rem;
  line-height: 1.7;
}

.congress-message__vendor {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 250px;
  margin-inline: auto;
  object-fit: contain;
  object-position: center bottom;
}

.objectives-grid {
  display: grid;
  margin-bottom: 1.2rem;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1rem;
}

.objective-card {
  position: relative;
  padding: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: rgba(255, 255, 255, 0.94);
}

.objective-card > span {
  display: block;
  margin-bottom: 1.5rem;
  color: var(--rojo);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.objective-card h3 {
  margin-bottom: 0.55rem;
}

.objective-card p {
  margin-bottom: 0;
  color: var(--gris);
}

.objective-card--main {
  color: var(--blanco);
  background: var(--rojo);
  border-color: var(--rojo);
}

.objective-card--main > span {
  color: var(--amarillo);
}

.objective-card--main p {
  color: rgba(255, 255, 255, 0.9);
}

.objectives-list {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  list-style: none;
  counter-reset: objective;
}

.objectives-list li {
  position: relative;
  padding: 0.8rem 0.8rem 0.8rem 2.9rem;
  border: 1px solid var(--borde);
  border-radius: 12px;
  color: var(--gris);
  background: #fcfaf7;
  font-size: 0.78rem;
  line-height: 1.45;
  counter-increment: objective;
}

.objectives-list li::before {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  display: grid;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  place-items: center;
  color: var(--negro);
  background: var(--amarillo);
  font-size: 0.66rem;
  font-weight: 900;
  content: counter(objective, decimal-leading-zero);
}

.impact-block {
  display: grid;
  padding: 1.7rem;
  border-radius: var(--radio);
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  color: var(--blanco);
  background: var(--rojo);
  box-shadow: var(--sombra);
}

.impact-block__heading h2 {
  font-size: clamp(1.55rem, 2.3vw, 2.2rem);
}

.impact-block__heading p:last-child {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.88rem;
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.impact-stat {
  display: flex;
  min-height: 118px;
  padding: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  flex-direction: column;
  justify-content: center;
  background: rgba(255, 255, 255, 0.07);
}

.impact-stat strong {
  margin-bottom: 0.3rem;
  color: var(--amarillo);
  font-size: clamp(1.25rem, 2.1vw, 1.9rem);
  font-weight: 900;
  line-height: 1.1;
}

.impact-stat span {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.78rem;
  font-weight: 700;
}

/* =============================================================
   VOCES NACIONALES E INTERNACIONALES
   ============================================================= */

.voices-block {
  margin-top: 1.2rem;
  padding: 2rem;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 26px rgba(36, 21, 18, 0.06);
}

.voices-block__heading {
  max-width: auto;
  margin-bottom: 1.5rem;
}

.voices-block__heading h3 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
}

.voices-block__heading p:last-child {
  margin-bottom: 0;
  color: var(--gris);
}

/* =============================================================
   EXPERTOS (OCULTO)
   ============================================================= */

.section--experts {
  background: var(--blanco);
}

.experts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.expert-card {
  overflow: hidden;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: var(--blanco);
  transition: transform var(--transicion), box-shadow var(--transicion);
}

.expert-card:hover {
  box-shadow: var(--sombra);
  transform: translateY(-5px);
}

.expert-card img {
  width: 100%;
  aspect-ratio: 4 / 3.2;
  object-fit: cover;
}

.expert-card div {
  padding: 1rem;
}

.expert-card h3,
.expert-card h4 {
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.expert-card p {
  margin: 0;
  color: var(--rojo);
  font-size: 0.76rem;
  font-weight: 700;
}

/* =============================================================
   AGENDA
   ============================================================= */

.section--agenda {
  background: var(--crema);
}

.agenda-days {
  display: grid;
  gap: 0.9rem;
}

.agenda-day {
  overflow: hidden;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: var(--blanco);
  box-shadow: 0 8px 22px rgba(36, 21, 18, 0.05);
}

.agenda-day__heading {
  margin: 0;
  font-size: inherit;
}

.agenda-day__toggle {
  display: flex;
  width: 100%;
  min-height: 78px;
  padding: 1rem 1.25rem;
  border: 0;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--negro);
  background: var(--blanco);
  cursor: pointer;
  text-align: left;
  transition: color var(--transicion), background var(--transicion);
}

.agenda-day__toggle:hover,
.agenda-day__toggle.is-open {
  color: var(--blanco);
  background: var(--rojo);
}

.agenda-day__toggle small,
.agenda-day__toggle strong {
  display: block;
}

.agenda-day__toggle small {
  margin-bottom: 0.2rem;
  color: var(--rojo);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.agenda-day__toggle.is-open small,
.agenda-day__toggle:hover small {
  color: var(--amarillo);
}

.agenda-day__toggle strong {
  font-size: 1.05rem;
}

.agenda-day__icon {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  background: var(--hueso);
}

.agenda-day__icon::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--negro);
  border-bottom: 2px solid var(--negro);
  content: "";
  transform: translate(-50%, -65%) rotate(45deg);
  transition: transform 260ms ease;
}

.agenda-day__toggle.is-open .agenda-day__icon::before,
.agenda-day__toggle:hover .agenda-day__icon::before {
  transform: translate(-50%, -25%) rotate(225deg);
}

.agenda-day__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 320ms ease;
}

.agenda-day__panel.is-open {
  grid-template-rows: 1fr;
}

.agenda-day__panel-inner {
  min-height: 0;
  overflow: hidden;
}

.timeline-item {
  display: grid;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--borde);
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 1.1rem;
  transition: background var(--transicion);
}

.timeline-item:last-child {
  border-bottom: 0;
}

.timeline-item:hover {
  background: #fdfbf8;
}

.timeline-item time {
  color: var(--rojo);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  line-height: 1.45;
  text-transform: uppercase;
}

.session-type {
  display: inline-block;
  margin-bottom: 0.25rem;
  color: var(--rojo);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline-item h4 {
  margin-bottom: 0.35rem;
  font-size: 0.98rem;
  letter-spacing: -0.015em;
}

.timeline-item p {
  margin-bottom: 0.3rem;
  color: var(--gris);
  font-size: 0.76rem;
  line-height: 1.48;
}

.timeline-item p:last-child {
  margin-bottom: 0;
}

.timeline-item p strong {
  color: var(--negro);
}

.timeline-item--nonacademic {
  background: rgba(255, 212, 59, 0.14);
}

.timeline-item--nonacademic:hover {
  background: rgba(255, 212, 59, 0.2);
}

.timeline-item--highlight {
  color: var(--blanco);
  background: var(--rojo);
}

.timeline-item--highlight time,
.timeline-item--highlight .session-type {
  color: var(--amarillo);
}

.timeline-item--highlight h4,
.timeline-item--highlight p strong {
  color: var(--blanco);
}

.timeline-item--highlight p {
  color: rgba(255, 255, 255, 0.8);
}

.agenda-note {
  margin: 1rem 0 0;
  color: var(--gris);
  font-size: 0.78rem;
  font-style: italic;
  text-align: center;
}

/* =============================================================
   INSCRIPCIONES
   ============================================================= */

.section--registration {
  background: var(--blanco);
}

.registration-card {
  display: grid;
  padding: 1.8rem;
  border-radius: 24px;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  gap: 2rem;
  align-items: center;
  color: var(--blanco);
  background: var(--negro);
  box-shadow: var(--sombra);
}

.registration-card h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.6rem);
}

.registration-card__copy > p {
  color: rgba(255, 255, 255, 0.74);
}

.registration-steps {
  display: grid;
  margin: 1.1rem 0 1.3rem;
  padding: 0;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  list-style: none;
}

.registration-steps li {
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
}

.registration-steps li > span {
  display: grid;
  width: 27px;
  height: 27px;
  margin-bottom: 0.5rem;
  border-radius: 50%;
  place-items: center;
  color: var(--negro);
  background: var(--amarillo);
  font-size: 0.7rem;
  font-weight: 900;
}

.registration-steps p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.74rem;
}

.registration-steps strong {
  display: block;
  color: var(--blanco);
}

.registration-qr {
  display: block;
  padding: 1rem;
  border-radius: 18px;
  color: var(--negro);
  background: var(--blanco);
  text-align: center;
  transition: transform var(--transicion), box-shadow var(--transicion);
}

.registration-qr:hover {
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
  transform: translateY(-3px);
}

.registration-qr img {
  width: 100%;
  max-width: 225px;
  margin-inline: auto;
  aspect-ratio: 1;
  padding: 0.6rem;
  border-radius: 14px;
  background: var(--amarillo-claro);
  object-fit: contain;
}

.registration-qr span {
  display: block;
  margin-top: 0.7rem;
  color: var(--rojo);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* =============================================================
   PRENSA
   ============================================================= */

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.news-card {
  overflow: hidden;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: var(--blanco);
  transition: transform var(--transicion), box-shadow var(--transicion);
}

.news-card:hover {
  box-shadow: var(--sombra);
  transform: translateY(-5px);
}

.news-card > a {
  display: block;
}

.news-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.news-card__body {
  padding: 1rem;
}

.news-card time {
  color: var(--rojo);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.news-card h3 {
  margin: 0.4rem 0 0.7rem;
  font-size: 1.05rem;
}

.news-card__body > span {
  color: var(--rojo);
  font-size: 0.78rem;
  font-weight: 850;
}

/* =============================================================
   EXPERIENCIA / MEMORIAS (OCULTO)
   ============================================================= */

.section--experience {
  color: var(--blanco);
  background: var(--negro);
}

.section--experience .section-heading p:last-child {
  color: rgba(255, 255, 255, 0.7);
}

.memoria-block + .memoria-block {
  margin-top: 2.2rem;
}

.memoria-block h3 {
  margin-bottom: 0.9rem;
  color: var(--amarillo);
}

.memoria-videos,
.memoria-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.memoria-embed {
  display: grid;
  min-height: 190px;
  border: 1px dashed rgba(255, 255, 255, 0.35);
  border-radius: var(--radio-sm);
  place-items: center;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
}

.memoria-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radio-sm);
  object-fit: cover;
}

.memoria-reports {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0.6rem;
  list-style: none;
}

.memoria-reports a {
  display: flex;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.05);
}

.memoria-reports span {
  color: var(--amarillo);
  font-size: 0.7rem;
  font-weight: 900;
}

/* =============================================================
   INSTAGRAM
   ============================================================= */

.section--instagram {
  background: var(--rojo);
}

.instagram-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 2rem;
  align-items: center;
}

.instagram-copy h2 {
  color: var(--blanco);
}

.instagram-copy > p {
  color: rgba(255, 255, 255, 0.75);
}

.instagram-placeholder {
  display: flex;
  min-height: 220px;
  padding: 1.5rem;
  border: 1px dashed rgba(255, 255, 255, 0.35);
  border-radius: var(--radio);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
  text-align: center;
}

.instagram-placeholder__icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 0.7rem;
  border-radius: 50%;
  place-items: center;
  color: var(--negro);
  background: var(--amarillo);
  font-size: 1.5rem;
}

.instagram-placeholder strong {
  margin-bottom: 0.4rem;
}

.instagram-placeholder p {
  max-width: 620px;
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
}

/* =============================================================
   EVENTOS RELACIONADOS
   ============================================================= */

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.related-card {
  overflow: hidden;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  background: var(--blanco);
  transition: transform var(--transicion), box-shadow var(--transicion);
}

.related-card:hover {
  box-shadow: var(--sombra);
  transform: translateY(-5px);
}

.related-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.related-card > div {
  padding: 1rem;
}

.related-card h3 {
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.related-card p {
  margin-bottom: 0.6rem;
  color: var(--gris);
  font-size: 0.75rem;
}

.related-card a {
  color: var(--rojo);
  font-size: 0.78rem;
  font-weight: 850;
}

/* =============================================================
   ALIADOS
   ============================================================= */

.allies-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.ally-box {
  display: grid;
  height: 132px;
  padding: 1rem;
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  place-items: center;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 6px 18px rgba(36, 21, 18, 0.05);
}

.ally-box img {
  width: 100%;
  max-width: 170px;
  max-height: 92px;
  object-fit: contain;
}

/* =============================================================
   CONTACTO
   ============================================================= */

.section--contact {
  padding-bottom: 2.6rem;
  background: var(--blanco);
}

.contact-band {
  display: grid;
  padding: 1.5rem 1.7rem;
  border-radius: 22px;
  grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1.4fr) auto;
  gap: 1.5rem;
  align-items: center;
  color: var(--blanco);
  background: var(--rojo);
  box-shadow: var(--sombra);
}

.contact-band h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.9rem);
}

.contact-band__data {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1rem;
}

.contact-band__data a {
  font-size: 0.8rem;
  font-weight: 750;
}

.contact-band__data small {
  display: block;
  margin-bottom: 0.1rem;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.contact-band__data a:hover {
  color: var(--amarillo);
}

.contact-social__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.contact-band__data .social-link {
  display: inline-flex;
  padding: 0.4rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 10px;
  align-items: center;
  gap: 0.35rem;
  color: var(--blanco);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.72rem;
  line-height: 1;
  transition: color var(--transicion), background var(--transicion), border-color var(--transicion);
}

.contact-band__data .social-link svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.contact-band__data .social-link svg path {
  fill: currentColor;
  stroke: none;
}

.contact-band__data .social-link .social-link__dot {
  fill: currentColor;
  stroke: none;
}

.contact-band__data .social-link:hover {
  color: var(--negro);
  background: var(--amarillo);
  border-color: var(--amarillo);
}

/* =============================================================
   VENDEDORA FINAL Y PIE
   ============================================================= */

.vendor-final {
  display: flex;
  height: 340px;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(to bottom, var(--blanco) 0%, rgba(255, 255, 255, 0) 100%);
}

.vendor-final img {
  width: auto;
  max-width: min(100%, 760px);
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
}

.site-footer {
  position: relative;
  padding: 5.2rem 0 0;
  overflow: hidden;
  color: var(--blanco);
  background: var(--rojo);
}

.site-footer::before {
  position: absolute;
  z-index: 0;
  top: -30px;
  left: -3%;
  width: 106%;
  height: 55px;
  background: var(--amarillo);
  content: "";
  transform: rotate(-7deg);
  transform-origin: left center;
}

.footer__main {
  position: relative;
  z-index: 1;
  display: grid;
  padding-bottom: 2rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(200px, 0.6fr);
  align-items: center;
  gap: 1.5rem 3rem;
}

.footer__logo {
  width: 100%;
  max-height: 92px;
  object-fit: contain;
}

.footer__logo--ipes {
  max-width: 480px;
}

.footer__logo--event {
  max-width: 230px;
  max-height: 140px;
  justify-self: end;
}

.footer__info {
  grid-column: 1 / -1;
}

.footer__info h2 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.footer__info p {
  margin-bottom: 0.25rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.8rem;
}

.footer__info strong {
  color: var(--blanco);
}

.footer__bottom {
  position: relative;
  z-index: 1;
  display: flex;
  padding: 0.9rem 0 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  text-align: center;
  font-size: 0.73rem;
}

.footer__bottom p {
  margin: 0;
}

.footer__back {
  position: absolute;
  z-index: 2;
  right: max(24px, calc((100% - var(--ancho)) / 2));
  bottom: 18px;
  display: grid;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  place-items: center;
  color: var(--negro);
  background: var(--amarillo);
  font-weight: 900;
  transition: color var(--transicion), background var(--transicion), transform var(--transicion);
}

.footer__back:hover {
  color: var(--blanco);
  background: var(--rojo-profundo);
  transform: translateY(-3px);
}

/* =============================================================
   APARICIÓN PROGRESIVA
   ============================================================= */

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 550ms ease, transform 550ms ease;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  align-content: center;
}

/* =============================================================
   RESPONSIVE
   ============================================================= */

@media (max-width: 1080px) {
  .nav-menu {
    gap: 0.75rem;
  }

  .nav-link {
    font-size: 0.68rem;
  }

  .nav-menu .button {
    display: none;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
    gap: 2.5rem;
  }

  .hero__gallery {
    min-height: 360px;
  }

  .experts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-band {
    grid-template-columns: 1fr;
  }

  .contact-band > .button {
    width: fit-content;
  }
}

@media (max-width: 860px) {
  .main-nav__inner {
    min-height: 64px;
  }

  .nav-toggle {
    position: relative;
    z-index: 102;
    display: block;
  }

  .nav-toggle[aria-expanded="true"] {
    background: var(--hueso);
  }

  .nav-toggle[aria-expanded="true"] span {
    background: var(--negro);
  }

  .nav-menu {
    position: fixed;
    z-index: 101;
    inset: 0;
    display: flex;
    padding: 6.5rem 2rem 2rem;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    background: var(--blanco);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity var(--transicion), transform var(--transicion);
  }

  .nav-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-link {
    padding: 0.7rem 0;
    border-bottom: 1px solid #eee7de;
    color: var(--negro);
    font-size: 1.1rem;
    text-align: center;
  }

  .nav-link::after {
    display: none;
  }

  .nav-menu .button {
    display: inline-flex;
    width: fit-content;
    margin: 1.3rem auto 0;
  }

  .hero {
    padding: 3rem 0 2.2rem;
  }

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

  .hero__gallery {
    min-height: 430px;
  }

  .congress-message,
  .objectives-grid,
  .impact-block,
  .registration-card,
  .instagram-grid {
    grid-template-columns: 1fr;
  }

  .news-grid,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .memoria-videos,
  .memoria-gallery {
    grid-template-columns: 1fr;
  }

  .allies-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .ally-box {
    height: 110px;
    padding: 0.7rem;
  }

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

  .footer__logo--event {
    justify-self: center;
  }
}

@media (max-width: 640px) {
  .container,
  .container--narrow {
    width: min(calc(100% - 28px), var(--ancho));
  }

  .section {
    padding: 3.2rem 0;
  }

  .section-heading--split {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .date-strip {
    flex-wrap: wrap;
    padding-inline: 12px;
    font-size: 0.66rem;
  }

  .brand {
    width: 155px;
  }

  .hero {
    padding-top: 2.4rem;
  }

  .hero__content h1 {
    font-size: clamp(2.35rem, 11.5vw, 3.3rem);
  }

  .hero__meta {
    flex-direction: column;
  }

  .hero__gallery {
    min-height: 340px;
    border-width: 5px;
  }

  .registration-banner {
    margin-top: 1.5rem;
    border-width: 3px;
  }

  .objective-card,
  .impact-block,
  .registration-card {
    padding: 1.1rem;
  }

  .congress-message {
    padding: 1.1rem;
  }

  .congress-message__vendor {
    max-height: 200px;
  }

  .voices-block {
    padding: 1.2rem;
  }

  .objectives-list,
  .impact-stats,
  .registration-steps,
  .news-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

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

  .agenda-day__toggle {
    min-height: 70px;
    padding: 0.85rem 1rem;
  }

  .agenda-day__toggle strong {
    font-size: 0.92rem;
  }

  .timeline-item {
    padding: 0.9rem 0.85rem;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 0.75rem;
  }

  .timeline-item time {
    font-size: 0.63rem;
  }

  .timeline-item h4 {
    font-size: 0.9rem;
  }

  .timeline-item p {
    font-size: 0.72rem;
  }

  .contact-band {
    padding: 1.2rem;
  }

  .contact-band__data {
    grid-template-columns: 1fr;
  }

  .contact-band > .button {
    width: 100%;
  }

  .allies-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ally-box {
    height: 104px;
  }

  .vendor-final {
    height: 250px;
  }

  .footer__back {
    right: 16px;
    bottom: 14px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 380px) {
  .hero__gallery {
    min-height: 300px;
  }

  .agenda-day__icon {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal,
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .registration-banner,
  .agenda-day__toggle,
  .site-footer,
  .vendor-final,
  .reveal,
  .skip-link {
    display: none !important;
  }

  body,
  .section,
  .section--pattern,
  .impact-block,
  .registration-card,
  .contact-band,
  .site-footer {
    color: #000;
    background: #fff !important;
  }

  .section,
  .hero {
    padding: 1rem 0;
  }

  .agenda-day__panel {
    display: block !important;
  }

  .agenda-day__panel-inner {
    overflow: visible !important;
  }
}