:root {
  --blue-deep: #081A32;
  --blue-oxford: #0F2747;
  --blue-corp: #163E70;
  --blue-light: #245C96;
  --accent: #D4AF37;
  --accent-dim: rgba(212, 175, 55, 0.12);
  --warm-bg: #F5F2EB;
  --white: #FFFFFF;
  --fg: #FFFFFF;
  --muted: #8A9BB0;
  --light-fg: #1A1A1A;
  --light-muted: #6B6B6B;
  --border: rgba(212, 175, 55, 0.15);
  --whatsapp: #25D366;
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Lato', sans-serif;
  --header-h: 80px;
  --header-scroll-h: 64px;
  --max-w: 1280px;
  --section-py: clamp(70px, 9vw, 120px);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--blue-deep);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.8vw, 48px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.section-desc {
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.65;
  color: var(--muted);
  max-width: 65ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.btn-primary {
  background: linear-gradient(90deg, #F5D76E 0%, #D4AF37 48%, #B8860B 100%);
  color: #081D3A;
}
.btn-primary:hover {
  background: linear-gradient(90deg, #FDE48C 0%, #E5C158 48%, #C79610 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.3);
}
.btn-outline {
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: var(--blue-deep);
  transform: translateY(-2px);
}
.btn-outline-light {
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.75);
}
.btn-outline-light:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--white);
}
.btn-whatsapp:hover {
  background: #1DA851;
  transform: translateY(-2px);
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: all 0.4s ease;
  display: flex;
  align-items: center;
}
.site-header.scrolled {
  height: var(--header-scroll-h);
  background: rgba(8, 26, 50, 0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header-logo img { height: 42px; width: auto; transition: height 0.4s ease; }
.site-header.scrolled .header-logo img { height: 36px; }
.header-wordmark {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--white);
  white-space: nowrap;
  transition: font-size 0.4s ease;
}
.site-header.scrolled .header-wordmark { font-size: 15px; }
.header-monogram { display: none; }

.header-social-left { display: flex; align-items: center; gap: 8px; margin-right: 28px; }
.header-social-left a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s;
}
.header-social-left a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.header-social-left svg { width: 16px; height: 16px; }

.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.header-nav a {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.7);
  transition: color 0.3s;
  position: relative;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.header-nav a:hover { color: var(--white); }
.header-nav a:hover::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-social { display: flex; align-items: center; gap: 8px; }
.header-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s;
}
.header-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.header-social svg { width: 16px; height: 16px; }
.header-cta { padding: 10px 22px; font-size: 11px; }
.menu-toggle { display: none; }

@media (min-width: 1025px) {
  .site-header,
  .site-header.scrolled {
    position: relative;
    top: auto;
    height: 80px;
    background: #FFFFFF;
    backdrop-filter: none;
    border-bottom: none;
  }
  .site-header .container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }
  .header-social-left {
    grid-column: 1;
    justify-self: start;
    margin-right: 0;
  }
  .header-social-left a {
    width: 38px;
    height: 38px;
    border-color: rgba(15, 39, 71, 0.15);
    color: #0F2747;
  }
  .header-social-left a:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
  .header-social-left svg { width: 17px; height: 17px; }
  .header-nav {
    grid-column: 2;
    justify-self: center;
    gap: 32px;
  }
  .header-nav a {
    color: #0F2747;
    font-size: 14px;
  }
  .header-nav a:hover {
    color: var(--accent);
  }
  .header-actions {
    grid-column: 3;
    justify-self: end;
  }
  .header-cta {
    padding: 10px 26px;
    color: #081D3A;
  }
  .header-logo { display: none; }
  .menu-toggle { display: none; }
  .hero {
    padding-top: 0;
  }
}

.mobile-menu,
.mobile-menu-backdrop { display: none; }

/* ===== HERO ===== */
.hero {
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-h);
  padding-bottom: clamp(24px, 3vh, 32px);
  height: clamp(680px, 82vh, 820px);
  background-color: #0A2144;
  background-image: url(../images/hero-julian-aguilar-premium-v2.png);
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,33,68,0.7) 0%, rgba(10,33,68,0.25) 40%, transparent 60%);
  pointer-events: none;
}
.hero .container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(32px, 6vw, 96px);
  position: relative;
  z-index: 2;
  height: 100%;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}
.hero-content {
  max-width: 620px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #D4AF37;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s ease forwards;
}
.hero-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, #F5D76E, #D4AF37, #B8860B);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.2vw, 56px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeUp 0.8s 0.35s ease forwards;
}
.hero-title span {
  background: linear-gradient(90deg, #F5D76E 0%, #D4AF37 45%, #B8860B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.2vw, 17px);
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
  opacity: 0;
  animation: fadeUp 0.8s 0.45s ease forwards;
}
.hero-desc {
  font-size: clamp(14px, 0.95vw, 15px);
  line-height: 1.7;
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: 28px;
  opacity: 0;
  animation: fadeUp 0.8s 0.55s ease forwards;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  opacity: 0;
  animation: fadeUp 0.8s 0.65s ease forwards;
}

.hero-book-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
  opacity: 0;
  animation: fadeUp 0.8s 0.75s ease forwards;
}
.hero-book-note a {
  color: #D4AF37;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.hero-book-note a:hover { border-color: #D4AF37; }

.hero .btn-primary {
  background: linear-gradient(90deg, #F5D76E 0%, #D4AF37 48%, #B8860B 100%);
  color: #081D3A;
}
.hero .btn-primary:hover {
  background: linear-gradient(90deg, #FDE48C 0%, #E5C158 48%, #C79610 100%);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.35);
}
.hero .btn-outline {
  border-color: #D4AF37;
  color: #D4AF37;
}
.hero .btn-outline:hover {
  background: #D4AF37;
  color: #0A2144;
}
.hero .btn-outline-light {
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.75);
}
.hero .btn-outline-light:hover {
  border-color: #D4AF37;
  color: #D4AF37;
}

/* ===== AUTHORITY BAR ===== */
.authority-bar {
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 16px;
  background-color: var(--blue-deep);
  background-image: linear-gradient(rgba(8,26,50,0.72), rgba(8,26,50,0.72)), url(../images/bg-a-premium.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.authority-bar::before {
  content: '';
  position: absolute;
  top: -16px;
  left: 0;
  right: 0;
  height: 16px;
  background: var(--warm-bg);
  pointer-events: none;
}
.authority-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.authority-item {
  text-align: center;
  padding: 8px;
}
.authority-icon {
  width: 40px; height: 40px;
  margin: 0 auto 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--accent);
}
.authority-icon svg { width: 18px; height: 18px; }
.authority-item h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 3px;
}
.authority-item p {
  font-size: 12px;
  color: #D6DFEA;
}

/* ===== AUDIENCE ===== */
.audience { background: var(--warm-bg); color: var(--light-fg); padding: var(--section-py) 0; }
.audience .section-label { color: var(--accent); }
.audience .section-desc { color: var(--light-muted); }

.audience-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 44px;
}
.audience-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.audience-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 15%;
  transition: transform 0.6s ease;
}
.audience-image:hover img { transform: scale(1.03); }
.audience-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,26,50,0.25) 0%, transparent 50%);
}

.audience-list { display: flex; flex-direction: column; gap: 24px; }
.audience-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.audience-item:last-child { border-bottom: none; padding-bottom: 0; }
.audience-item-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 50%;
  color: var(--accent);
}
.audience-item-icon svg { width: 20px; height: 20px; }
.audience-item h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}
.audience-item p {
  font-size: 14px;
  color: var(--light-muted);
  line-height: 1.6;
}

/* ===== VALUE PROP ===== */
.value-prop {
  position: relative;
  padding: var(--section-py) 0;
  background-color: var(--blue-oxford);
  background-image: linear-gradient(rgba(8,26,50,0.55), rgba(8,26,50,0.55)), url(../images/bg-a-premium.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.value-prop::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 24px;
  background: #F5F2EB;
  border-top: 1px solid rgba(212, 175, 55, 0.12);
  pointer-events: none;
}
.value-prop-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.value-prop .section-desc {
  margin: 0 auto;
  color: #D6DFEA;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.value-card {
  padding: 28px 24px;
  border: 1px solid var(--border);
  transition: all 0.4s ease;
  position: relative;
  background: rgba(255,255,255,0.02);
}
.value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--accent);
  transition: height 0.4s ease;
}
.value-card:hover::before { height: 100%; }
.value-card:hover {
  border-color: rgba(212, 175, 55, 0.3);
  transform: translateY(-3px);
}
.value-card-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.5;
}
.value-card h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.value-card p {
  font-size: 14px;
  color: #D6DFEA;
  line-height: 1.7;
}

/* ===== SOLUCIONES (merged Areas + Formation) ===== */
.soluciones {
  position: relative;
  padding: var(--section-py) 0;
  background-color: var(--blue-oxford);
  background-image: linear-gradient(rgba(8,26,50,0.45), rgba(8,26,50,0.45)), url(../images/bg-a-premium.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--fg);
}
.soluciones::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 24px;
  background: #F5F2EB;
  border-top: 1px solid rgba(212, 175, 55, 0.12);
  pointer-events: none;
}
.soluciones .section-label { color: var(--accent); }
.soluciones-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 48px;
}
.soluciones-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solucion-card {
  position: relative;
  overflow: hidden;
  padding: 48px 32px;
  border: 1px solid rgba(0,0,0,0.06);
  background: var(--white);
  transition: all 0.4s ease;
  text-align: center;
}
.solucion-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}
.solucion-card-icon {
  width: 48px; height: 48px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  transition: all 0.4s;
}
.solucion-card:hover .solucion-card-icon {
  background: var(--accent);
  color: var(--white);
}
.solucion-card-icon svg { width: 22px; height: 22px; }
.solucion-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: #081D3A;
}
.solucion-card p {
  font-size: 14px;
  color: #334155;
  line-height: 1.6;
  margin-bottom: 16px;
}
.solucion-card .card-cta {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}
.solucion-card .card-cta:hover { gap: 10px; }

/* Wider card spans */
.solucion-card-wide {
  grid-column: span 1;
}

/* ===== TESTIMONIOS ===== */
.testimonios {
  background: var(--warm-bg);
  padding: var(--section-py) 0;
  color: var(--light-fg);
}
.testimonios .section-label { color: var(--accent); }
.testimonios-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 48px;
}
.testimonios-header .section-desc { color: var(--light-muted); }

.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.testimonio-card {
  background: var(--white);
  padding: 32px 28px 24px;
  border: 1px solid rgba(0,0,0,0.05);
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}
.testimonio-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
}
.testimonio-quote {
  font-family: Georgia, serif;
  font-size: 48px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 8px;
  height: 36px;
}
.testimonio-texto {
  font-size: 15px;
  line-height: 1.7;
  color: #334155;
  flex: 1;
  margin-bottom: 20px;
}
.testimonio-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.testimonio-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  flex-shrink: 0;
}
.testimonio-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.testimonio-perfil {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--light-fg);
  letter-spacing: 0.01em;
}
.testimonio-tag {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--light-muted);
}

/* ===== METHODOLOGY ===== */
.methodology {
  position: relative;
  padding: var(--section-py) 0;
  background-color: var(--blue-deep);
  background-image: linear-gradient(rgba(8,26,50,0.55), rgba(8,26,50,0.55)), url(../images/bg-b-luxury.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.methodology-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 40px;
}
.methodology-image-wrap {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  cursor: pointer;
  overflow: hidden;
}
.methodology-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}
.methodology-image-wrap:hover img { transform: scale(1.01); }
.methodology-image-wrap .zoom-hint {
  position: absolute;
  bottom: 20px; right: 20px;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--blue-deep);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.4s;
}
.methodology-image-wrap:hover .zoom-hint { opacity: 1; }
.methodology-image-wrap .zoom-hint svg { width: 20px; height: 20px; }
.methodology-detail {
  max-width: 650px;
  margin: 28px auto 0;
  text-align: center;
}
.methodology-detail p {
  font-size: 14px;
  color: #D6DFEA;
  line-height: 1.7;
}

/* ===== CONFERENCES ===== */
.conferences { background: var(--warm-bg); color: var(--light-fg); padding: var(--section-py) 0; }
.conferences .section-label { color: var(--accent); }
.conferences-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}
.conf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.conf-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.conf-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.conf-card:hover img { transform: scale(1.05); }
.conf-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8,26,50,0.85) 0%, rgba(8,26,50,0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 20px;
}
.conf-card h4 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 3px;
  color: #FFFFFF;
}
.conf-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

/* ===== BOOK ===== */
.book {
  background: var(--warm-bg);
  color: var(--light-fg);
  padding: var(--section-py) 0;
  position: relative;
}
.book .section-label { color: var(--accent); }
.book-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.book-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.book-cover {
  max-width: 360px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  transition: transform 0.6s ease;
  position: relative;
  z-index: 2;
}
.book-cover:hover { transform: perspective(800px) rotateY(-6deg); }
.book-cover img { width: 100%; height: auto; display: block; }

.book-video-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  width: 64px; height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: 50%;
  color: var(--white);
  transition: all 0.4s;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
}
.book-video-btn:hover { transform: translate(-50%, -50%) scale(1.1); }
.book-video-btn svg { width: 24px; height: 24px; margin-left: 3px; }

.book-content .section-title { margin-bottom: 14px; }
.book-content .section-desc {
  margin-bottom: 24px;
  font-size: 16px;
  color: var(--light-muted);
}
.book-content p {
  font-size: 15px;
  color: var(--light-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* ===== IMPACTO + EXPERIENCIAS (merged) ===== */
.impacto {
  background: var(--blue-deep);
  padding: var(--section-py) 0;
}
.impacto-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}
.impacto-header .section-desc { color: #D6DFEA; }
.impacto-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.impacto-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
  display: flex;
  align-items: flex-end;
}
.impacto-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.impacto-card:hover img { transform: scale(1.04); }
.impacto-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8,26,50,0.85) 0%, rgba(8,26,50,0.1) 50%);
}
.impacto-card-content {
  position: relative;
  z-index: 2;
  padding: 28px 20px;
  width: 100%;
}
.impacto-card h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 3px;
}
.impacto-card p {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

/* ===== MEDIA ===== */
.media-section {
  background: var(--warm-bg);
  color: var(--light-fg);
  padding: var(--section-py) 0;
}
.media-section .section-label { color: var(--accent); }
.media-header {
  text-align: center;
  max-width: 550px;
  margin: 0 auto 40px;
}
.media-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.media-grid-5 {
  grid-template-columns: repeat(5, 1fr);
  max-width: var(--max-w);
  gap: 16px;
}
.media-card {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  cursor: pointer;
}
.media-card img,
.media-card video {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.media-card:hover img,
.media-card:hover video { transform: scale(1.04); }
.media-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8,26,50,0.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background 0.4s;
}
.media-card.testimonio-video {
  aspect-ratio: 4/5;
}
.media-card.testimonio-video video,
.media-card.testimonio-video img {
  object-fit: cover;
  object-position: center 20%;
}
.media-card:hover .media-card-overlay { background: rgba(8,26,50,0.35); }
.media-card-play {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: 50%;
  color: var(--white);
  margin-bottom: 10px;
  transition: transform 0.4s;
}
.media-card:hover .media-card-play { transform: scale(1.1); }
.media-card-play svg { width: 20px; height: 20px; margin-left: 2px; }
.media-card h4 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #FFFFFF;
}
.media-card .media-cat {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: var(--section-py) 0;
  position: relative;
  overflow: hidden;
  background-color: var(--blue-corp);
  background-image: linear-gradient(rgba(8,26,50,0.5), rgba(8,26,50,0.5)), url(../images/bg-c-glow.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.manifesto::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  border-radius: 50%;
  border: 1px solid rgba(212, 175, 55, 0.08);
  pointer-events: none;
}
.manifesto-content {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}
.manifesto-phrase {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 42px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  opacity: 0;
  transform: translateY(30px);
}
.manifesto-phrase.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s ease;
}
.manifesto-phrase span { color: var(--accent); }
.manifesto-phrase-sub {
  font-size: clamp(15px, 1.1vw, 18px);
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  max-width: 550px;
  margin: 20px auto 0;
  opacity: 0;
  transform: translateY(30px);
}
.manifesto-phrase-sub.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.8s 0.3s ease;
}

/* ===== FINAL CTA ===== */
.final-cta {
  padding: var(--section-py) 0;
  text-align: center;
  position: relative;
  background-color: var(--blue-oxford);
  background-image: linear-gradient(rgba(8,26,50,0.55), rgba(8,26,50,0.55)), url(../images/bg-c-glow.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.final-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.final-cta-content { max-width: 650px; margin: 0 auto; }
.final-cta .section-title { margin-bottom: 14px; }
.final-cta .section-desc {
  margin: 0 auto 32px;
  color: rgba(255,255,255,0.7);
}
.final-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ===== NEWSLETTER ===== */
.newsletter {
  background: var(--warm-bg);
  padding: 70px 0;
  border-top: 1px solid rgba(0,0,0,0.04);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.newsletter-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.newsletter-header {
  margin-bottom: 32px;
}
.newsletter-header .section-title {
  color: var(--light-fg);
}
.newsletter-header .section-desc {
  margin: 0 auto;
  color: var(--light-muted);
}
.newsletter-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.newsletter-input {
  flex: 1 1 200px;
  padding: 14px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--light-fg);
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.1);
  transition: border-color 0.3s;
  outline: none;
}
.newsletter-input:focus {
  border-color: var(--accent);
}
.newsletter-input::placeholder {
  color: var(--light-muted);
}
.newsletter-form .btn {
  flex: 0 0 auto;
}
.newsletter-message {
  min-height: 24px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--light-muted);
}
.newsletter-message.error {
  color: #C0392B;
}
.newsletter-message.success {
  color: var(--accent);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--blue-deep);
  padding: 60px 0 32px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
}
.footer-brand img {
  max-height: 44px;
  width: auto;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 260px;
}
.footer-col h5 {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  transition: color 0.3s;
}
.footer-col ul a:hover { color: var(--accent); }

.footer-contact p {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--accent); }
.footer-contact a { color: rgba(255,255,255,0.65); }
.footer-contact a:hover { color: var(--accent); }

.footer-social-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.footer-social-row a {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5);
  transition: all 0.3s;
}
.footer-social-row a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.footer-social-row svg { width: 16px; height: 16px; }

.footer-bottom {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--muted);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 900;
  width: 54px; height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  transition: all 0.3s;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.4);
}
.whatsapp-float svg { width: 24px; height: 24px; }

/* ===== VIDEO MODAL ===== */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(8px);
}
.video-modal.open { display: flex; }
.video-modal-content {
  width: 90%;
  max-width: 960px;
  position: relative;
}
.video-modal-content video {
  width: 100%;
  height: auto;
  display: block;
}
.video-modal-content iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
  display: block;
}
.video-modal-close {
  position: absolute;
  top: -36px;
  right: 0;
  color: var(--white);
  font-size: 26px;
  cursor: pointer;
  transition: color 0.3s;
  background: none; border: none;
}
.video-modal-close:hover { color: var(--accent); }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.95);
  backdrop-filter: blur(8px);
  padding: 32px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 100%;
  max-height: 88vh;
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 20px;
  color: var(--white);
  font-size: 30px;
  cursor: pointer;
  background: none; border: none;
  transition: color 0.3s;
}
.lightbox-close:hover { color: var(--accent); }

/* ===== REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== KEYFRAMES ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .soluciones-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .header-nav { display: none; }
  .header-social-left { display: none; }
  .header-cta { display: none; }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    color: var(--white);
    position: relative;
    z-index: 1001;
  }
  .menu-toggle svg { width: 24px; height: 24px; }
  .menu-toggle .menu-icon-x { display: none; }
  .menu-toggle.open .menu-icon-hamburger { display: none; }
  .menu-toggle.open .menu-icon-x { display: block; }

  .header-wordmark { display: none; }
  .header-monogram { display: block; }
  .header-monogram img { height: 36px; width: auto; }

  .audience-layout { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .soluciones-grid { grid-template-columns: 1fr; }
  .conf-grid { grid-template-columns: 1fr; }
  .book-layout { grid-template-columns: 1fr; gap: 36px; }
  .impacto-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; max-width: 500px; }
  .media-grid-5 { grid-template-columns: repeat(3, 1fr); max-width: 900px; }
  .testimonios-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .authority-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  .mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 998;
    background: rgba(0,0,0,0.5);
    display: none;
  }
  .mobile-menu-backdrop.open { display: block; }

  .mobile-menu {
    position: fixed;
    top: 0; right: 0;
    width: 300px;
    height: 100vh;
    z-index: 999;
    background: var(--blue-deep);
    display: none;
    flex-direction: column;
    padding: 100px 32px 40px;
    overflow-y: auto;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    letter-spacing: 0.02em;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: color 0.3s;
  }
  .mobile-menu a:hover { color: var(--accent); }
  .mobile-menu .mobile-social {
    display: flex;
    gap: 14px;
    margin-top: 28px;
  }
  .mobile-menu .mobile-social a {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    color: rgba(255,255,255,0.6);
    padding: 0;
    border-bottom: none;
  }
  .mobile-menu .mobile-social a:hover { border-color: var(--accent); color: var(--accent); }
  .mobile-menu .mobile-social svg { width: 18px; height: 18px; }
  .mobile-menu .mobile-whatsapp {
    margin-top: 20px;
    padding: 14px 32px;
    background: var(--whatsapp);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-align: center;
    border-bottom: none;
  }
}

/* ===== TABLET HERO ===== */
@media (min-width: 768px) and (max-width: 1023px) {
  .hero {
    height: auto;
    min-height: 540px;
    padding-top: var(--header-h);
    padding-bottom: 24px;
    background-position: 30% center;
  }
  .hero-content { max-width: 520px; }
  .hero-title { font-size: clamp(30px, 4vw, 40px); }
  .hero-book-note { text-align: left; }
  .hero-actions { gap: 8px; }
  .hero-actions .btn { padding: 12px 24px; font-size: 11px; }
  .value-prop::after,
  .soluciones::after { height: 20px; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }
  body { font-size: 16px; }

  .hero {
    height: auto;
    min-height: auto;
    padding: var(--header-h) 0 40px;
    background-position: 20% center;
  }
  .hero::after {
    background: linear-gradient(90deg, rgba(10,33,68,0.75) 0%, rgba(10,33,68,0.4) 60%, rgba(10,33,68,0.15) 100%);
  }
  .hero .container { padding: 0 20px; }
  .hero-grid { gap: 0; }
  .hero-content { max-width: 100%; }
  .hero-tag { margin-bottom: 16px; }
  .hero-title {
    font-size: clamp(38px, 10vw, 52px);
    margin-bottom: 10px;
  }
  .hero-subtitle {
    font-size: 16px;
    margin-bottom: 12px;
  }
  .hero-desc {
    font-size: 16px;
    margin-bottom: 24px;
    max-width: 100%;
  }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    font-size: 12px;
  }
  .hero-book-note {
    margin-top: 16px;
    text-align: left;
    font-size: 14px;
  }

  .authority-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .conferences-header { flex-direction: column; align-items: flex-start; }
  .book-layout { text-align: center; }
  .book-cover { max-width: 260px; }
  .final-cta-actions { flex-direction: column; }
  .final-cta-actions .btn { width: 100%; justify-content: center; }
  .whatsapp-float { bottom: 16px; right: 16px; width: 46px; height: 46px; }
  .whatsapp-float svg { width: 20px; height: 20px; }
  .media-grid-5 { grid-template-columns: 1fr; max-width: 500px; }
  .solucion-card { padding: 36px 24px; }
  .section-title { font-size: 26px; }
  .section-label { font-size: 11px; }
  .btn { font-size: 11px; padding: 12px 24px; }
  .footer-brand p { font-size: 13px; }
  .footer-col ul a { font-size: 13px; }
  .footer-contact p { font-size: 13px; }
  .audience-item h4 { font-size: 16px; }
  .audience-item p { font-size: 14px; }
  .value-card h4 { font-size: 16px; }
  .value-card p { font-size: 14px; }

  .newsletter { padding: 50px 0; }
  .newsletter-fields { flex-direction: column; }
  .newsletter-input { flex: 1 1 auto; }
  .newsletter-form .btn { width: 100%; justify-content: center; }

  .value-prop::after,
  .soluciones::after { height: 16px; }

  .testimonios-grid { grid-template-columns: 1fr; gap: 20px; max-width: 500px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .hero { padding: var(--header-h) 0 32px; }
  .authority-grid { grid-template-columns: 1fr 1fr; }
  .section-title { font-size: 24px; }
  .mobile-menu { width: 100%; }
  .value-prop::after,
  .soluciones::after { height: 14px; }
  .testimonio-card { padding: 24px 20px 20px; }
  .testimonio-texto { font-size: 14px; }
}