/* ============================================================
   III Simposio de Divulgación Matemática · Red DIMAT Chile
   Estética: editorial-académico con acento geométrico
   Paleta: azul oscuro / verde / celeste
   ============================================================ */

:root {
  /* Paleta del afiche */
  --azul-oscuro: #0d2840;
  --azul-medio: #1d4a73;
  --azul-tinta: #081a2b;
  --celeste: #5fb3d9;
  --celeste-claro: #a8d4e8;
  --verde: #4a8b5c;
  --verde-claro: #7fb088;
  --crema: #f5f1e8;
  --hueso: #fbf9f3;
  --tinta: #1a1a1a;
  --gris: #6b6b6b;
  --gris-tenue: #d9d4c8;
  --linea: rgba(13, 40, 64, 0.12);

  /* Tipografía */
  --serif: 'Fraunces', 'Times New Roman', serif;
  --sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Métrica */
  --max-w: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 10vw, 7rem);
}

/* ---------- Reset suave ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--hueso);
  font-feature-settings: "ss01", "cv11";
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, dl, dd { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout base ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: var(--section-y) 0;
  position: relative;
}
.section-light { background: var(--crema); }
.section-dark {
  background: var(--azul-tinta);
  color: var(--hueso);
}

.section-head {
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
  max-width: 720px;
}

.section-eyebrow {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--celeste);
  margin: 0 0 1rem;
}
.section-eyebrow.light { color: var(--celeste-claro); }

.section-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--azul-oscuro);
}
.section-dark .section-title { color: var(--hueso); }

.lead {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.5;
  color: var(--azul-oscuro);
  font-style: italic;
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 249, 243, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linea);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--azul-oscuro);
}
.brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}
.brand-mark.large {
  width: 60px;
  height: 60px;
  margin-bottom: 1rem;
  object-fit: contain;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gris);
  margin-top: 2px;
}

.site-nav {
  display: flex;
  gap: 2rem;
}
.site-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--azul-oscuro);
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.2s ease;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--celeste);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.site-nav a:hover { color: var(--celeste); }
.site-nav a:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--azul-oscuro);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) 0 clamp(5rem, 12vw, 8rem);
  background:
    radial-gradient(ellipse at top right, rgba(95, 179, 217, 0.18), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(74, 139, 92, 0.12), transparent 50%),
    var(--hueso);
  overflow: hidden;
}

.hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--azul-oscuro);
}
.deco-grid {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.deco-curve {
  position: absolute;
  bottom: 8%;
  left: -5%;
  width: 55%;
  color: var(--celeste);
  opacity: 0.55;
}
.deco-logo {
  position: absolute;
  top: 8%;
  right: 4%;
  width: clamp(180px, 24vw, 320px);
  height: clamp(180px, 24vw, 320px);
  opacity: 0.85;
  animation: slowSpin 60s linear infinite;
  transform-origin: center;
  object-fit: contain;
}
@keyframes slowSpin {
  to { transform: rotate(360deg); }
}
.deco-dots {
  position: absolute;
  bottom: 18%;
  right: 22%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.deco-dots i {
  width: 7px;
  height: 7px;
  background: var(--celeste);
  border-radius: 50%;
  display: block;
  opacity: 0.6;
}
.deco-dots i:nth-child(2n) { background: var(--verde); }

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.hero-card-wrap {
  position: relative;
  z-index: 2;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.hero-text { max-width: 640px; }

.eyebrow {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde);
  margin: 0 0 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--verde);
}

.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 1.75rem;
  color: var(--azul-oscuro);
}
.hero-edition {
  display: block;
  font-style: italic;
  font-weight: 300;
  color: var(--celeste);
  font-size: 0.62em;
  letter-spacing: -0.01em;
  margin-bottom: 0.2em;
}
.hero-name {
  display: block;
  font-weight: 500;
}

.hero-lema {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  line-height: 1.3;
  color: var(--verde);
  margin: 0 0 2rem;
  border-left: 2px solid var(--verde);
  padding-left: 1.1rem;
}

.hero-lead {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--azul-medio);
  margin: 0 0 2.5rem;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.25s ease;
}
.btn-primary {
  background: var(--azul-oscuro);
  color: var(--hueso);
}
.btn-primary:hover {
  background: var(--celeste);
  color: var(--azul-tinta);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--azul-oscuro);
  border-color: var(--azul-oscuro);
}
.btn-ghost:hover {
  background: var(--azul-oscuro);
  color: var(--hueso);
}

/* Hero card */
.hero-card {
  background: var(--azul-oscuro);
  color: var(--hueso);
  padding: 2rem 2.5rem;
  border-radius: 2px;
  position: relative;
  box-shadow: 0 30px 60px -20px rgba(13, 40, 64, 0.4);
  display: grid;
  grid-template-columns: auto 1fr 1fr 1fr 1fr auto;
  align-items: center;
  gap: 0 2rem;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: 12px;
  bottom: 12px;
  border: 1px solid var(--celeste);
  z-index: -1;
}

.card-tag {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--celeste);
  padding-right: 2rem;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  white-space: nowrap;
}

.key-facts {
  display: contents;
}
.key-facts > div {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.5rem 0;
  border-left: 1px solid rgba(255,255,255,0.1);
  padding-left: 1.5rem;
}
.key-facts > div:last-child { border-right: none; }
.key-facts dt {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--celeste-claro);
}
.key-facts dd {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--hueso);
}

.card-foot {
  font-size: 0.8rem;
  color: var(--celeste-claro);
  line-height: 1.4;
  font-style: italic;
  border-left: 1px solid rgba(255,255,255,0.15);
  padding-left: 1.5rem;
  margin: 0;
  max-width: 200px;
}

/* ============================================================
   TWO-COL (sección Simposio)
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.col-head .section-title { margin-top: 0.5rem; }
.col-body p { margin: 0 0 1.2rem; }
.col-body p:last-child { margin-bottom: 0; }

/* ============================================================
   PROGRAMA
   ============================================================ */
.program-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.day-card {
  background: var(--hueso);
  border: 1px solid var(--linea);
  padding: 2.2rem 1.8rem 2rem;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.day-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -15px rgba(13, 40, 64, 0.18);
}
.day-card-accent {
  background: var(--azul-oscuro);
  color: var(--hueso);
  border-color: var(--azul-oscuro);
}

.day-num {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 3.5rem;
  line-height: 1;
  color: var(--celeste);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.day-num span {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--sans);
  color: var(--gris);
  font-weight: 500;
}
.day-card-accent .day-num span { color: var(--celeste-claro); }

.day-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0 0 0.4rem;
  color: var(--azul-oscuro);
}
.day-card-accent .day-title { color: var(--hueso); }

.day-kind {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--verde);
  margin: 0 0 1.2rem;
  font-weight: 500;
}
.day-card-accent .day-kind { color: var(--verde-claro); }

.day-text {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--azul-medio);
}
.day-card-accent .day-text { color: var(--celeste-claro); }

.day-sede {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--verde);
  margin: 0 0 0.8rem;
}
.day-card-accent .day-sede { color: var(--celeste); }

.day-schedule {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 0.8rem;
}
.day-schedule li {
  display: flex;
  gap: 0.8rem;
  font-size: 0.85rem;
  padding: 0.3rem 0;
  color: var(--celeste-claro);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.day-schedule li:last-child { border-bottom: none; }
.day-schedule li span {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--hueso);
  min-width: 3rem;
}

.committee-list {
  display: grid;
  gap: 0.8rem;
}
.committee-list li {
  font-size: 0.95rem;
  color: var(--azul-medio);
  line-height: 1.4;
}
.committee-list li strong {
  color: var(--azul-oscuro);
}

.announcements-list {
  display: grid;
  gap: 0.5rem;
}
.announcement-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.2rem;
  background: var(--crema);
  border: 1px solid var(--linea);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.announcement-link:hover {
  background: rgba(95, 179, 217, 0.1);
  border-color: var(--celeste);
}
.announcement-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--celeste);
  min-width: 2rem;
}
.announcement-dl {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--celeste);
}

.program-note {
  margin-top: 3rem;
  text-align: center;
  font-style: italic;
  color: var(--gris);
  font-size: 0.95rem;
}

/* ============================================================
   INVITADO
   ============================================================ */
.guest-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.photo-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--azul-medio);
  overflow: hidden;
}
.photo-frame::before {
  content: '';
  position: absolute;
  top: 12px; left: 12px;
  right: -12px; bottom: -12px;
  border: 1px solid var(--celeste);
  z-index: -1;
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--azul-medio), var(--azul-tinta));
  color: var(--celeste-claro);
  font-family: var(--serif);
  font-style: italic;
  text-align: center;
  font-size: 1.1rem;
  border: 1px dashed rgba(168, 212, 232, 0.4);
}

.guest-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  line-height: 1.1;
  margin: 0.5rem 0 0.5rem;
  color: var(--hueso);
}
.guest-affiliation {
  font-family: var(--serif);
  font-style: italic;
  color: var(--celeste);
  margin: 0 0 1.8rem;
  font-size: 1.1rem;
}
.guest-bio {
  margin: 0 0 1.8rem;
  line-height: 1.65;
  color: var(--celeste-claro);
  max-width: 580px;
}
.guest-bio em {
  color: var(--hueso);
  font-style: italic;
}
.guest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.guest-tags li {
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(168, 212, 232, 0.3);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--celeste-claro);
}

/* ============================================================
   CONVOCATORIA
   ============================================================ */
.cfp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--linea);
  border-left: 1px solid var(--linea);
  margin-bottom: 3.5rem;
}
.cfp-item {
  padding: 2.2rem 1.8rem;
  border-right: 1px solid var(--linea);
  border-bottom: 1px solid var(--linea);
  background: var(--hueso);
  transition: background 0.25s ease;
}
.cfp-item:hover { background: rgba(95, 179, 217, 0.08); }
.cfp-num {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--celeste);
  margin-bottom: 0.8rem;
}
.cfp-item h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 0.6rem;
  color: var(--azul-oscuro);
}
.cfp-item p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--azul-medio);
}

.cfp-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--azul-oscuro);
  color: var(--hueso);
}
.cfp-cta p {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  max-width: 580px;
}
.cfp-cta .btn-primary {
  background: var(--celeste);
  color: var(--azul-tinta);
}
.cfp-cta .btn-primary:hover {
  background: var(--hueso);
  color: var(--azul-oscuro);
}

/* ============================================================
   ORGANIZAN
   ============================================================ */
.orgs {
  display: grid;
  gap: 3.5rem;
}
.orgs-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--verde);
  margin: 0 0 1.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--linea);
}

.logo-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.logo-row li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
}
.logo-slot {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--hueso);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 1rem;
}
.logo-slot img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.logo-fallback {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  color: var(--gris);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.9rem;
  text-align: center;
  border: 1px dashed var(--gris-tenue);
}
.logo-row-sm .logo-slot { aspect-ratio: 2 / 1; }
.logo-row li p {
  font-size: 0.85rem;
  color: var(--gris);
  margin: 0;
  line-height: 1.4;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--azul-tinta);
  color: var(--hueso);
  padding: clamp(3.5rem, 7vw, 5rem) 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .brand-mark { margin-bottom: 1rem; }
.footer-name {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 0.4rem;
}
.footer-lema {
  font-family: var(--serif);
  font-style: italic;
  color: var(--celeste);
  margin: 0;
  font-size: 0.95rem;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--celeste);
  margin: 0 0 1rem;
}
.footer-col ul li {
  margin-bottom: 0.6rem;
}
.footer-col a {
  font-size: 0.92rem;
  color: var(--celeste-claro);
  transition: color 0.2s ease;
}
.footer-col a:hover { color: var(--hueso); }

.footer-base {
  display: flex;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(168, 212, 232, 0.15);
  font-size: 0.82rem;
  color: var(--celeste-claro);
}
.footer-base p { margin: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .site-nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: var(--hueso);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem var(--gutter);
    border-bottom: 1px solid var(--linea);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }
  .site-nav.open { transform: translateY(0); }
  .nav-toggle { display: flex; }

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

  .deco-logo {
    width: clamp(80px, 18vw, 110px);
    height: clamp(80px, 18vw, 110px);
    top: clamp(5rem, 16vw, 7.5rem);
    right: 1rem;
    opacity: 0.3;
  }

  .hero-card {
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 480px;
  }
  .card-tag {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    padding-right: 0;
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
  }
  .key-facts > div {
    border-left: none;
    padding-left: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.75rem 0;
  }
  .card-foot {
    border-left: none;
    padding-left: 0;
    padding-top: 1rem;
    max-width: 100%;
    border-top: 1px solid rgba(255,255,255,0.1);
  }

  .two-col { grid-template-columns: 1fr; gap: 1.5rem; }

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

  .guest-grid { grid-template-columns: 1fr; }
  .photo-frame { max-width: 380px; aspect-ratio: 1 / 1; }

  .cfp-grid { grid-template-columns: 1fr; }
  .cfp-cta { flex-direction: column; align-items: flex-start; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  .footer-base { flex-direction: column; gap: 0.5rem; }
}

@media (max-width: 560px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .logo-row { grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
}

/* ============================================================
   ANIMACIONES DE ENTRADA
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .hero-text > *, .hero-card {
    opacity: 0;
    animation: rise 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  }
  .eyebrow { animation-delay: 0.1s; }
  .hero-title { animation-delay: 0.2s; }
  .hero-lema { animation-delay: 0.35s; }
  .hero-lead { animation-delay: 0.5s; }
  .hero-cta { animation-delay: 0.65s; }
  .hero-card { animation-delay: 0.8s; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}