:root {
  --primary: #5B7C8E;
  --primary-dark: #3F5A6C;
  --primary-light: #7A9AAB;
  --accent: #8FA88B;
  --accent-dark: #6E8A6A;
  --highlight: #F0E6D2;
  --cream: #F7F4EE;
  --cream-dark: #EDE6D5;
  --text: #2C2C2C;
  --text-soft: #555555;
  --text-light: #888888;
  --border: #E5DFD3;
  --white: #FDFBF7;
  --alert: #B22222;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display { font-family: 'Fraunces', serif; font-weight: 500; line-height: 1.15; letter-spacing: -0.02em; }

/* Subtle paper texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.5;
}

main, header, section, footer { position: relative; z-index: 2; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 780px; margin: 0 auto; padding: 0 32px; }

/* ===== TOP BAR ===== */
.topbar {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: var(--cream);
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.logo {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-dark);
  letter-spacing: -0.01em;
}
.logo-mark { color: var(--accent); }
.topbar-tag {
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ===== HERO ===== */
.hero {
  padding: 90px 0 100px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.hero-decoration {
  position: absolute;
  top: -100px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(143,168,139,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-dark);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--accent);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 400;
  max-width: 920px;
  margin-bottom: 32px;
  color: var(--text);
}
.hero h1 em { font-style: italic; color: var(--primary-dark); font-weight: 500; }

.hero-subtitle {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--text-soft);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.5;
}

.hero-cta-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-block;
  padding: 16px 32px;
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  border-radius: 2px;
}
.btn-primary {
  background: var(--primary-dark);
  color: var(--white);
}
.btn-primary:hover { background: var(--primary); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--primary-dark);
  border: 1px solid var(--primary);
}
.btn-secondary:hover { background: var(--primary-dark); color: var(--white); }

/* ===== STAT BLOCK ===== */
.stat-strip {
  background: var(--primary-dark);
  color: var(--white);
  padding: 70px 0;
}
.stat-strip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 48px;
  align-items: start;
}
.stat-num {
  font-family: 'Fraunces', serif;
  font-size: clamp(54px, 6vw, 84px);
  font-weight: 400;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 12px;
  font-feature-settings: "lnum";
}
.stat-num em { font-style: italic; }
.stat-text {
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
}
.stat-source {
  grid-column: 1 / -1;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 16px;
}

/* ===== SECTION ===== */
section.section { padding: 100px 0; }
section.section-tight { padding: 70px 0; }

.section-eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 500;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 400;
  max-width: 800px;
  margin-bottom: 28px;
}
.section-title em { font-style: italic; color: var(--primary-dark); }
.section-intro {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 680px;
  margin-bottom: 60px;
  line-height: 1.6;
}

/* ===== PROGRAMA OVERVIEW ===== */
.programa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.programa-list {
  list-style: none;
}
.programa-list li {
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: baseline;
}
.programa-list li:last-child { border-bottom: none; }
.programa-list .num {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--accent);
  font-weight: 400;
}
.programa-list .label {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}
.programa-list .desc {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.5;
}

.programa-aside {
  background: var(--cream);
  padding: 48px;
  border-left: 3px solid var(--accent);
}
.programa-aside h3 {
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 24px;
}
.programa-meta { display: grid; gap: 24px; }
.programa-meta-item .meta-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 500;
  margin-bottom: 6px;
}
.programa-meta-item .meta-value {
  font-size: 16px;
  color: var(--text);
  line-height: 1.5;
}

/* ===== 4 FILTROS ===== */
.filtros-section {
  background: var(--cream);
  position: relative;
}
.filtros-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  background: var(--white);
}
.filtro {
  padding: 40px 32px;
  border-right: 1px solid var(--border);
  position: relative;
  transition: background 0.3s;
}
.filtro:last-child { border-right: none; }
.filtro:hover { background: var(--cream-dark); }
.filtro-num {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 36px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
}
.filtro-label {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 12px;
}
.filtro-desc {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.5;
}

/* ===== AUDIENCE TABS ===== */
.audience-section {
  background: var(--white);
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.audience-card {
  background: var(--cream);
  padding: 48px 36px;
  border-top: 3px solid var(--accent);
  transition: all 0.3s;
}
.audience-card:hover {
  background: var(--white);
  border-top-color: var(--primary);
  box-shadow: 0 8px 32px rgba(91,124,142,0.08);
}
.audience-card .icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  margin-bottom: 24px;
}
.audience-card .icon-wrap svg { width: 24px; height: 24px; stroke: var(--primary-dark); fill: none; stroke-width: 1.5; }
.audience-card h3 {
  font-family: 'Fraunces', serif;
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 16px;
}
.audience-card p { font-size: 15px; color: var(--text-soft); margin-bottom: 16px; line-height: 1.6; }
.audience-card ul { list-style: none; padding: 0; margin-top: 16px; }
.audience-card ul li {
  font-size: 14px;
  color: var(--text-soft);
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}
.audience-card ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ===== POSTURA / FE ===== */
.postura-section {
  background: var(--primary-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.postura-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at top right, rgba(143,168,139,0.18), transparent 60%);
  pointer-events: none;
}
.postura-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
}
.postura-section .section-title { color: var(--white); }
.postura-section .section-eyebrow { color: var(--accent); }
.postura-quote {
  font-family: 'Fraunces', serif;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  color: rgba(255,255,255,0.95);
  padding-left: 32px;
  border-left: 2px solid var(--accent);
}
.postura-list {
  list-style: none;
  padding: 0;
  margin-top: 32px;
}
.postura-list li {
  padding: 12px 0 12px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 16px;
  position: relative;
  color: rgba(255,255,255,0.85);
}
.postura-list li:last-child { border-bottom: none; }
.postura-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 24px;
  line-height: 1;
}

/* ===== INVERSIÓN ===== */
.inversion-section { background: var(--white); }
.inversion-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: start;
}
.precio-card {
  background: var(--cream);
  padding: 56px 48px;
  border: 1px solid var(--border);
  position: relative;
}
.precio-card::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 4px;
  background: var(--accent);
}
.precio-eyebrow {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 500;
  margin-bottom: 16px;
}
.precio-amount {
  font-family: 'Fraunces', serif;
  font-size: 64px;
  font-weight: 400;
  color: var(--primary-dark);
  line-height: 1;
  margin-bottom: 8px;
}
.precio-amount .small { font-size: 22px; color: var(--text-soft); margin-left: 4px; }
.precio-period { font-size: 14px; color: var(--text-light); margin-bottom: 36px; letter-spacing: 0.04em; }
.precio-includes h4 {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.precio-includes ul { list-style: none; }
.precio-includes ul li {
  padding: 10px 0;
  padding-left: 28px;
  position: relative;
  font-size: 14px;
  color: var(--text-soft);
  border-bottom: 1px dashed var(--border);
}
.precio-includes ul li:last-child { border-bottom: none; }
.precio-includes ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
}
.inversion-text h3 {
  font-family: 'Fraunces', serif;
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 24px;
}
.inversion-text p {
  font-size: 16px;
  color: var(--text-soft);
  margin-bottom: 16px;
  line-height: 1.7;
}
.scholarship-note {
  background: var(--highlight);
  padding: 24px 28px;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text);
  border-left: 2px solid var(--accent);
}

/* ===== LOGÍSTICA ===== */
.logistica-section { background: var(--cream); }
.logistica-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.log-item {
  background: var(--white);
  padding: 36px;
  border: 1px solid var(--border);
}
.log-item .log-num {
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 32px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  font-weight: 400;
}
.log-item h4 {
  font-family: 'Fraunces', serif;
  font-size: 21px;
  font-weight: 500;
  margin-bottom: 12px;
}
.log-item p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-section { background: var(--white); }
.faq-list { display: grid; gap: 0; max-width: 900px; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  cursor: pointer;
  transition: padding 0.2s;
}
.faq-item:hover { padding-left: 8px; }
.faq-item summary {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 24px;
  color: var(--accent);
  font-weight: 300;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body {
  padding-top: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 720px;
}

/* ===== ALIANZA / FOOTER LOGOS ===== */
.alianza-section {
  background: var(--cream);
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.alianza-eyebrow {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 40px;
}
.alianza-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 80px;
  flex-wrap: wrap;
}
.alianza-item {
  text-align: center;
  max-width: 280px;
}
.alianza-item .nombre {
  font-family: 'Fraunces', serif;
  font-size: 28px;
  font-weight: 500;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.alianza-item .desc {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.5;
}

/* ===== CTA FINAL ===== */
.cta-final {
  background: var(--primary-dark);
  color: var(--white);
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(143,168,139,0.18) 0%, transparent 60%);
  pointer-events: none;
}
.cta-final h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 400;
  margin-bottom: 24px;
  line-height: 1.1;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.cta-final h2 em { font-style: italic; color: var(--accent); }
.cta-final p {
  font-size: 18px;
  color: rgba(255,255,255,0.8);
  max-width: 580px;
  margin: 0 auto 48px;
  line-height: 1.6;
}
.cta-final .btn-primary {
  background: var(--accent);
  color: var(--text);
  padding: 20px 44px;
  font-size: 16px;
}
.cta-final .btn-primary:hover { background: var(--white); }

/* ===== FOOTER ===== */
footer {
  background: #1F2A33;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand h3 {
  font-family: 'Fraunces', serif;
  color: var(--white);
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 12px;
}
.footer-brand p { font-size: 14px; line-height: 1.6; max-width: 320px; }
.footer-col h4 {
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col a { color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .programa-grid { grid-template-columns: 1fr; gap: 48px; }
  .filtros-grid { grid-template-columns: repeat(2, 1fr); }
  .filtros-grid .filtro:nth-child(2) { border-right: none; }
  .filtros-grid .filtro:nth-child(1), .filtros-grid .filtro:nth-child(2) { border-bottom: 1px solid var(--border); }
  .audience-grid { grid-template-columns: 1fr; }
  .postura-grid { grid-template-columns: 1fr; gap: 40px; }
  .inversion-grid { grid-template-columns: 1fr; gap: 40px; }
  .logistica-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .alianza-row { gap: 48px; }
}

@media (max-width: 600px) {
  .container, .container-narrow { padding: 0 24px; }
  section.section { padding: 70px 0; }
  .filtros-grid { grid-template-columns: 1fr; }
  .filtros-grid .filtro { border-right: none; border-bottom: 1px solid var(--border); }
  .filtros-grid .filtro:last-child { border-bottom: none; }
  .stat-strip-grid { gap: 32px; }
  .programa-aside { padding: 32px; }
  .precio-card { padding: 36px 28px; }
  .alianza-row { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1, .hero-subtitle, .hero-cta-row, .hero-eyebrow {
  animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
.hero-eyebrow { animation-delay: 0.1s; }
.hero h1 { animation-delay: 0.2s; }
.hero-subtitle { animation-delay: 0.4s; }
.hero-cta-row { animation-delay: 0.6s; }

/* ===== IMAGES ===== */
.hero-image-wrap {
  margin-top: 64px;
  position: relative;
  animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) backwards;
  animation-delay: 0.8s;
}
.hero-image {
  width: 100%;
  height: clamp(320px, 45vw, 540px);
  object-fit: cover;
  border-radius: 4px;
  display: block;
  box-shadow: 0 24px 60px rgba(63,90,108,0.18);
}
.hero-image-caption {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(31,42,51,0.82);
  color: rgba(255,255,255,0.95);
  padding: 10px 18px;
  font-size: 13px;
  letter-spacing: 0.04em;
  border-radius: 2px;
  backdrop-filter: blur(4px);
}

/* Image placeholder styling (shows when no image yet) */
.img-placeholder {
  width: 100%;
  background: repeating-linear-gradient(45deg, var(--cream-dark), var(--cream-dark) 12px, var(--cream) 12px, var(--cream) 24px);
  border: 2px dashed var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--primary-dark);
  font-size: 14px;
  border-radius: 4px;
  padding: 40px;
  line-height: 1.6;
}
.img-placeholder .ph-inner { max-width: 360px; }
.img-placeholder strong { display: block; font-family: 'Fraunces', serif; font-size: 18px; margin-bottom: 8px; }
.img-placeholder code { background: rgba(91,124,142,0.12); padding: 2px 8px; border-radius: 2px; font-size: 13px; }

.section-image {
  width: 100%;
  height: clamp(300px, 38vw, 460px);
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

/* Two-column with image */
.audience-image-wrap { margin-bottom: 60px; }
.cta-image-band {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto 0;
  padding: 0 32px;
}
.cta-image {
  width: 100%;
  height: clamp(260px, 32vw, 400px);
  object-fit: cover;
  border-radius: 4px;
  display: block;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}