body {
    font-family: 'Poppins', sans-serif;
    background-color: #f0f2f5;
    color: #1a202c;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main {
    flex: 1 0 auto;
}
:root {
    --dark-blue: #0a2e40;
    --light-green: #3DDC97;
    --accent-yellow: #F4D35E;
    --white: #ffffff;
    --light-gray: #f0f2f5;
}
.logo-font { font-weight: 900; text-transform: uppercase; letter-spacing: 0.05em; }
.text-gradient { background: linear-gradient(45deg, var(--light-green), var(--accent-yellow)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-title { font-weight: 800; font-size: 2.8rem; line-height: 1.2; }
.reveal { opacity: 0; transform: translateY(50px); transition: opacity 1s ease-out, transform 1s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
#header.scrolled {
    background: #fff !important;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.08);
}
#header.scrolled #logo-text-1 { color: var(--dark-blue); }
#header.scrolled #logo-text-2 { color: var(--light-green); }
#header.scrolled .menu-link {
    color: #0a2e40 !important;
}
#hero-section { position: relative; background-color: var(--dark-blue); overflow: hidden; }
#particles-js { position: absolute; width: 100%; height: 100%; top: 0; left: 0; z-index: 1; }
.hero-content { position: relative; z-index: 2; }
.hero-title span { display: inline-block; opacity: 0; transform: translateY(30px) rotate(5deg); transition: opacity 0.6s ease, transform 0.6s ease; }
.hero-title.visible span { opacity: 1; transform: translateY(0) rotate(0); }
.theme-card {
    background: rgba(255,255,255,0.25);
    box-shadow: 0 8px 32px 0 rgba(31,38,135,0.18);
    backdrop-filter: blur(8px);
    border-radius: 1.5rem;
    border: 1.5px solid rgba(255,255,255,0.25);
    transition: transform 0.4s cubic-bezier(.4,2,.3,1), box-shadow 0.4s, background 0.4s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.theme-card:hover {
    transform: translateY(-18px) scale(1.04) rotate(-1deg);
    box-shadow: 0 16px 40px 0 rgba(61,220,151,0.18), 0 2px 8px 0 rgba(0,0,0,0.10);
    background: rgba(61,220,151,0.10);
}
.theme-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 18px auto;
    display: block;
    transition: transform 0.5s cubic-bezier(.4,2,.3,1);
}
.theme-card:hover .theme-icon {
    transform: scale(1.18) rotate(12deg);
}
.timeline::after {
    content: '';
    position: absolute;
    width: 5px;
    background: #0a2e40;
    top: 0; bottom: 0; left: 50%; margin-left: -2.5px;
    border-radius: 2.5px;
    z-index: 0;
}
.timeline-container::after {
    content: '';
    position: absolute;
    width: 32px; height: 32px;
    right: -16px;
    background: #fff;
    border: 5px solid #3DDC97;
    top: 32px;
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 2px 8px 0 #0a2e4022;
}
.timeline-container.right::after { left: -16px; right: auto; }
.timeline-container {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s, transform 0.7s;
}
.timeline-container.visible {
    opacity: 1;
    transform: translateY(0);
}
.timeline-container.left { left: 0; }
.timeline-container.right { left: 50%; }
.timeline-content {
    padding: 32px 28px;
    background: #fff;
    position: relative;
    border-radius: 1.2rem;
    box-shadow: 0 6px 24px -6px #0a2e4011;
    border-left: 6px solid #0a2e40;
    border-right: none;
    transition: box-shadow 0.3s, border-color 0.3s, background 0.3s;
    font-family: 'Poppins', sans-serif;
}
.timeline-container.right .timeline-content {
    border-left: none;
    border-right: 6px solid #3DDC97;
}
.timeline-content:hover {
    box-shadow: 0 12px 32px -8px #3DDC9733;
    border-color: #F4D35E;
    background: #f7fafc;
}
.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #0a2e40;
    margin-bottom: 10px;
    letter-spacing: 0.01em;
}
.timeline-content ul {
    font-size: 1.08rem;
    color: #222;
    margin-left: 0;
}
.timeline-content li {
    margin-bottom: 0.5em;
    padding-left: 0.2em;
}
@media screen and (max-width: 900px) {
    .timeline::after { left: 20px; }
    .timeline-container { width: 100%; padding-left: 60px; padding-right: 15px; }
    .timeline-container.right { left: 0%; }
    .timeline-container.left::after, .timeline-container.right::after { left: 10px; right: auto; }
    .timeline-content { border-radius: 1.2rem; }
}
#lightbox { position: fixed; z-index: 1000; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.85); display: none; align-items: center; justify-content: center; backdrop-filter: blur(5px); }
#lightbox.active { display: flex; }
#lightbox img { max-width: 90%; max-height: 80%; object-fit: contain; }
.close-lightbox { position: absolute; top: 30px; right: 30px; color: white; font-size: 3rem; cursor: pointer; }
.sponsors-track { display: flex; animation: scroll 20s linear infinite; }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.sponsor-logo { transition: all 0.3s ease; filter: grayscale(100%); opacity: 0.6; }
.sponsor-logo:hover { filter: grayscale(0%); opacity: 1; transform: scale(1.1); }
.logo-shadow {
    filter: none;
    border: none;
    background: none;
    border-radius: 0;
}
.crono-cards {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.crono-card {
    background: #fff;
    border: 2.5px solid #0a2e40;
    border-radius: 1.5rem;
    box-shadow: 0 6px 24px -6px #0a2e4011;
    width: 320px;
    min-height: 220px;
    transition: box-shadow 0.3s, border-color 0.3s, transform 0.3s, max-height 0.5s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1.2rem 1.2rem 1.2rem;
}
.crono-card:hover, .crono-card.active {
    box-shadow: 0 16px 40px 0 #3DDC9733;
    border-color: #F4D35E;
    transform: scale(1.04) translateY(-8px);
}
.crono-icon {
    width: 54px;
    height: 54px;
    margin-bottom: 1rem;
    display: block;
}
.crono-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0a2e40;
    margin-bottom: 0.5rem;
    letter-spacing: 0.01em;
}
.crono-date {
    font-size: 1.1rem;
    font-weight: 600;
    color: #3DDC97;
    margin-bottom: 1rem;
}
.crono-details {
    max-height: 0;
    opacity: 0;
    transition: max-height 0.5s, opacity 0.4s;
    overflow: hidden;
    font-size: 1.05rem;
    color: #222;
    margin-top: 0.5rem;
}
.crono-card.active .crono-details, .crono-card:hover .crono-details {
    max-height: 400px;
    opacity: 1;
}
.crono-details ul { margin-left: 1.2em; }
.crono-details li { margin-bottom: 0.5em; }
@media (max-width: 900px) {
    .crono-cards { flex-direction: column; align-items: center; }
    .crono-card { width: 98%; }
}
.section-title, .text-gradient {
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: unset !important;
    color: #0a2e40 !important;
}
.crono-expo-wrap {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    overflow-x: auto;
    padding-bottom: 1.5rem;
    scroll-snap-type: x mandatory;
}
.crono-expo-card {
    background: #fff;
    border: 3.5px solid #0a2e40;
    border-radius: 2rem;
    box-shadow: 0 8px 32px -8px #0a2e4040;
    min-width: 340px;
    max-width: 370px;
    min-height: 260px;
    transition: box-shadow 0.3s, border-color 0.3s, transform 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 2.2rem 2rem 1.5rem 2rem;
    scroll-snap-align: start;
}
.crono-expo-card:hover, .crono-expo-card.active {
    box-shadow: 0 20px 48px -8px #3DDC9740;
    border-color: #F4D35E;
    transform: scale(1.045) translateY(-8px);
    z-index: 2;
}
.crono-expo-icon {
    width: 62px;
    height: 62px;
    margin-bottom: 1.2rem;
    display: block;
}
.crono-expo-title {
    font-size: 1.35rem;
    font-weight: 900;
    color: #0a2e40;
    margin-bottom: 0.2rem;
    letter-spacing: 0.01em;
}
.crono-expo-date {
    font-size: 1.08rem;
    font-weight: 700;
    color: #3DDC97;
    margin-bottom: 1.1rem;
}
.crono-expo-badge {
    display: inline-block;
    background: #F4D35E;
    color: #0a2e40;
    font-weight: 800;
    font-size: 1.05rem;
    border-radius: 1.2em;
    padding: 0.25em 1.1em;
    margin-bottom: 1.1em;
    margin-right: 0.5em;
    box-shadow: 0 2px 8px 0 #0a2e4011;
    letter-spacing: 0.01em;
    transition: background 0.3s, color 0.3s;
}
.crono-expo-card:hover .crono-expo-badge, .crono-expo-card.active .crono-expo-badge {
    background: #0a2e40;
    color: #fff;
}
.crono-expo-details {
    width: 100%;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.5s, opacity 0.4s;
    overflow: hidden;
    font-size: 1.08rem;
    color: #222;
    margin-top: 0.5rem;
}
.crono-expo-card.active .crono-expo-details, .crono-expo-card:hover .crono-expo-details {
    max-height: 500px;
    opacity: 1;
}
.crono-expo-details ul { margin-left: 1.2em; }
.crono-expo-details li { margin-bottom: 0.5em; }
@media (max-width: 900px) {
    .crono-expo-wrap { flex-direction: column; gap: 2rem; align-items: center; overflow-x: unset; }
    .crono-expo-card { min-width: 98%; max-width: 99%; }
}
.crono-expo-wrap, .crono-expo-card, .crono-expo-title, .crono-expo-date, .crono-expo-badge, .crono-expo-details, .crono-expo-details ul, .crono-expo-details li {
    font-family: 'Montserrat', 'Poppins', sans-serif !important;
}
#whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 1000;
    background: #25D366;
    color: #fff;
    font-weight: 800;
    font-size: 1.15rem;
    border-radius: 50px;
    box-shadow: 0 8px 32px -8px #0a2e4040;
    padding: 18px 32px 18px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
    border: none;
}
#whatsapp-float:hover {
    background: #128C7E;
    box-shadow: 0 16px 40px 0 #25D36633;
    transform: scale(1.06) translateY(-4px);
}
#whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: #fff;
}
@media (max-width: 600px) {
    #whatsapp-float { right: 12px; bottom: 12px; padding: 14px 18px 14px 14px; font-size: 1rem; }
    #whatsapp-float svg { width: 22px; height: 22px; }
}
.agenda-scroll {
  max-height: 340px;
  overflow-y: auto;
  position: relative;
}
.crono-expo-card.active .agenda-scroll {
  max-height: 420px;
}
.scroll-down-card-btn {
  pointer-events: auto;
}
.crono-expo-card.active .scroll-down-card-btn {
  display: flex !important;
} 


/* ===============================
   GLOBALES
==================================*/
:root {
  --sustenta-blue: #1e3a8a;
  --sustenta-blue-hover: #2563eb;
  --sustenta-green: #22c55e;
  --sustenta-green-strong: #15803d;
  --sustenta-gray-text: #4b5563;
  --sustenta-dark: #0a2e40;
}

/* Tipografías base en secciones */
.section-title {
  font-size: 2.7rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 2.5rem;
  text-align: center;
  color: var(--sustenta-dark);
}
.section-title span { color: var(--sustenta-green); }

.section-subtitle {
  font-size: 1.25rem;
  color: var(--sustenta-gray-text);
  max-width: 700px;
  margin: 1.5rem auto 3rem;
  text-align: center;
}

/* Card genérica */
.card {
  border-radius: 1.5rem;
  background: #fff;
  box-shadow: 0 4px 32px rgba(0,0,0,0.06);
  padding: 3rem;
  margin: auto;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 8px 40px rgba(0,0,0,0.10);
  transform: translateY(-4px) scale(1.02);
}
.card p {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

blockquote {
  margin-top: 2rem;
  font-style: italic;
  font-size: 1.25rem;
  padding: 1.2rem 2rem;
  border-left: 4px solid var(--sustenta-green);
  background: #ffffff;
  color: var(--sustenta-green-strong);
}

/* Botón outline */
.btn-outline {
  border: 2px solid var(--sustenta-green);
  background: #fff;
  color: var(--sustenta-green);
  font-weight: 700;
  border-radius: 9999px;
  padding: 0.75rem 2.5rem;
  font-size: 1.15rem;
  transition: background 0.2s, color 0.2s, border 0.2s;
}
.btn-outline:hover {
  background: var(--sustenta-green);
  color: #fff;
  border-color: var(--sustenta-green);
}

/* Imágenes con bordes suaves */
.img-rounded {
  border-radius: 1.5rem;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}

/* Navbar */
.navbar-blur {
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.97);
}
.navbar-shadow {
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}
.menu-link {
  transition: color 0.2s;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.menu-link.active,
.menu-link:hover {
  color: var(--sustenta-green) !important;
}

/* Footer */
.footer-minimal {
  font-size: 0.95rem;
  color: #e5e7eb;
  background: #18181b;
  border-top: 1px solid #222;
  padding: 2.5rem 0 1.5rem;
}
.footer-minimal a { color: #a3e635; text-decoration: none; }
.footer-minimal a:hover { text-decoration: underline; }

/* ===============================
   DISERTANTES
==================================*/
.sustenta-disertantes-seccion {
  padding: 100px 0;
  background: #ffffff;
  position: relative;
  overflow: hidden;
}
.sustenta-disertantes-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.sustenta-disertantes-encabezado {
  text-align: center;
  margin-bottom: 60px;
}
.sustenta-disertantes-titulo {
  font-size: 2.5em;
  color: var(--sustenta-blue);
  margin-bottom: 10px;
}
.sustenta-disertantes-subtitulo {
  font-size: 1.1em;
  color: var(--sustenta-gray-text);
}
.sustenta-disertantes-slider { position: relative; }
.sustenta-disertantes-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--sustenta-blue);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  transition: background 0.3s;
}
.sustenta-disertantes-btn:hover { background-color: var(--sustenta-blue-hover); }
.sustenta-prev { left: -10px; }
.sustenta-next { right: -10px; }

.sustenta-disertantes-carrusel { overflow-x: hidden; }
.sustenta-disertantes-track {
  display: flex;
  gap: 32px;
  transition: transform 0.5s ease;
  will-change: transform;
}

/* Tarjeta única para disertantes */
.sustenta-disertante-card {
  background: #f9fafb;
  border-radius: 16px;
  padding: 24px;
  min-width: 300px;
  max-width: 320px;
  flex: 0 0 auto;
  text-align: center;
  margin: 0 8px; /* opcional */
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.sustenta-disertante-img {
  width: 128px;
  height: 128px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.sustenta-disertante-nombre {
  font-size: 1.15em;
  font-weight: bold;
  margin-bottom: 8px;
  color: #111827;
}
.sustenta-disertante-desc {
  font-size: 0.95em;
  line-height: 1.4;
  color: var(--sustenta-gray-text);
}

/* ===============================
   CTA SUSTENTA
==================================*/
.sustenta-cta {
  padding: 80px 0;
  background: linear-gradient(to right, var(--sustenta-blue), #065f46);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.sustenta-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}
.sustenta-titulo {
  font-size: 2.5em;
  margin-bottom: 60px;
}
.sustenta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
}
.sustenta-item {
  background-color: rgba(255,255,255,0.1);
  padding: 40px;
  border-radius: 16px;
  max-width: 240px;
  width: 100%;
  text-align: center;
}
.sustenta-item h3 {
  font-size: 1.5em;
  font-weight: bold;
  margin: 16px 0 10px;
}
.sustenta-item p {
  font-size: 1em;
  opacity: 0.9;
}
.sustenta-icono {
  width: 64px; height: 64px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
}
.sustenta-svg {
  width: 40px; height: 40px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* Color helpers */
.sustenta-yellow { background-color: #fef9c3; }
.sustenta-green  { background-color: #bbf7d0; }
.sustenta-blue   { background-color: #bfdbfe; }
.sustenta-pink   { background-color: #fbcfe8; }
.sustenta-yellow-icon { color: #facc15; }
.sustenta-green-icon  { color: var(--sustenta-green); }
.sustenta-blue-icon   { color: #3b82f6; }
.sustenta-pink-icon   { color: #ec4899; }

/* ===============================
   TEMÁTICAS
==================================*/
#tematicas {
  background: linear-gradient(to bottom right, #f0fdf4, #ffffff, #eff6ff);
  padding: 6rem 1rem;
}
#tematicas .section-title { color: var(--sustenta-dark); }
#tematicas .section-title span { color: var(--sustenta-green); }

.tematicas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: auto;
}
.tematica-card {
  background: #ffffff;
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  text-align: center;
}
.tematica-card svg {
  width: 64px; height: 64px;
  margin-bottom: 1rem;
}
.tematica-card h3 {
  font-size: 1.5rem;
  color: var(--sustenta-dark);
  font-weight: bold;
  margin-bottom: 1rem;
}
.tematica-card ul {
  list-style: disc;
  padding-left: 1.2rem;
  text-align: left;
  font-size: 1rem;
  color: #374151;
}

/* ===============================
   OBJETIVOS
==================================*/
#objetivos {
  background: #f9fafb;
  padding: 5rem 1rem;
}
#objetivos .section-title {
  color: var(--sustenta-green-strong);
}

.objetivos-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
  gap: 2rem;
}
.objetivo-card {
  background: #ffffff;
  border-radius: 1.5rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  padding: 2.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}
.objetivo-num {
  width: 48px; height: 48px;
  background-color: var(--sustenta-green);
  color: #000;
  font-weight: bold;
  font-size: 1.25rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.objetivo-text {
  font-size: 1.15rem;
  color: #333;
  line-height: 1.6;
}

/* ===============================
   SPONSORS (logo grid)
==================================*/
.logo-box {
  width: 150px;
  height: 100px;
  display: flex;
  align-items: center; justify-content: center;
  flex-shrink: 0;
  background-color: #fff;
  padding: 10px;
  border-radius: 8px;
}
.sponsor-logo {
  max-height: 80px;
  max-width: 100%;
  object-fit: contain;
}
.byn-logo {
  filter: grayscale(100%) brightness(1.1);
  transition: filter 0.3s;
}
.byn-logo:hover { filter: none; }

/* ===============================
   PROGRAMA / ACORDEÓN
==================================*/
.programa-container {
  max-width: 700px;
  margin: 60px auto;
  padding: 0 20px;
}
.subtitulo {
  text-align: center;
  font-size: 1.1em;
  color: #3366cc;
  margin-bottom: 30px;
}
.acordeon-btn {
  width: 100%;
  background-color: #cce4ff;
  color: #003366;
  padding: 15px 20px;
  text-align: left;
  font-size: 1.2em;
  font-weight: bold;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  margin-bottom: 10px;
}
.acordeon-btn span.icono {
  position: absolute;
  right: 20px;
  font-size: 1.2em;
}
.acordeon-contenido {
  display: none;
  background-color: #e6f0ff;
  padding: 20px;
  border-radius: 10px;
  margin-top: -8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.bloque-hora {
  background: #fff;
  padding: 15px;
  border-left: 5px solid #3366cc;
  margin-bottom: 15px;
  border-radius: 6px;
}
.bloque-hora h4 {
  margin: 0;
  font-size: 1em;
  color: #3366cc;
}
.bloque-hora p {
  margin: 5px 0 0;
  font-size: 0.95em;
}
.instruccion {
  text-align: center;
  font-size: 0.9em;
  color: #555;
  margin-top: 30px;
}

/* ===============================
   RESPONSIVE
   (mobile-first → escalamos hacia arriba)
==================================*/

/* Pequeños (hasta 640px) */
@media (max-width: 640px) {
  .card { padding: 1rem !important; }
  .btn-outline { font-size: 0.95rem; padding: 0.6rem 1.1rem; }
  .section-title { font-size: 1.75rem; margin-bottom: 1.5rem; }
  .hero-content { padding-top: 2.5rem !important; }
  .footer-minimal { font-size: 0.85rem; padding: 1.5rem 0 0.7rem; }
  /* opcional: sponsors responsive */
  .sponsors-track { gap: 1.5rem !important; flex-wrap: wrap; }
}

/* Medianos (641px–768px) */
@media (max-width: 768px) {
  .card { border-radius: 0.8rem; padding: 1.2rem !important; }
  .btn-outline { font-size: 1rem; padding: 0.7rem 1.5rem; }
  #header nav { padding-top: 0.5rem; padding-bottom: 0.5rem; }
  #menu-btn { font-size: 2.5rem; }
  #mobile-menu { border-radius: 0 0 1rem 1rem; }
  .tematica-card { padding: 1.8rem; }
  .tematica-card h3 { font-size: 1.25rem; }
  .objetivo-card { padding: 1.5rem; }
  .objetivo-text { font-size: 1rem; }
}

/* Grandes (>=960px) para grid CTA */
@media (min-width: 640px) {
  .sustenta-item { flex: 1 1 calc(50% - 40px); }
}
@media (min-width: 960px) {
  .sustenta-item { flex: 1 1 calc(25% - 40px); }
}


.sponsors-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 2rem;
  padding: 1rem;
}

.logo-box {
  flex: 0 0 auto;
  scroll-snap-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;
  border-radius: 8px;
  padding: 10px;
  min-width: 150px;
  max-width: 300px;
}

.sponsor-logo {
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
}
@media (max-width: 768px) {
  .logo-box {
    min-width: 80%;
    max-width: 85%;
  }
}