/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand:   #1B4F72;
  --accent:  #E74C3C;
  --gold:    #F39C12;
  --dark:    #0D1F2D;
  --text:    #2C3E50;
  --muted:   #6B7A8D;
  --light:   #F0F4F8;
  --white:   #FFFFFF;
  --border:  #DDE3EA;
  --radius:  12px;
  --shadow:  0 4px 24px rgba(13,31,45,.10);
  --shadow-lg: 0 12px 48px rgba(13,31,45,.16);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  line-height: 1.15;
  font-weight: 900;
}
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 600; }

em { font-style: italic; color: var(--accent); }

/* ===== LAYOUT ===== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-dark { background: var(--dark); color: var(--white); }
.section-accent { background: var(--brand); color: var(--white); }
.section-legal { background: var(--light); }
.section-contact { background: var(--light); }

.section-label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-label.light { color: var(--gold); }

.section-title { margin-bottom: 40px; }
.section-title.light { color: var(--white); }

.section-intro {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 48px;
  line-height: 1.75;
}
.section-intro.light { color: rgba(255,255,255,.75); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: all .2s ease;
  border: 2px solid transparent;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn-primary:hover { background: #c0392b; border-color: #c0392b; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(231,76,60,.35); }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.35);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.1); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline-white:hover { background: rgba(255,255,255,.15); border-color: var(--white); }

.btn-white {
  background: var(--white);
  color: var(--brand);
  border-color: var(--white);
}
.btn-white:hover { background: var(--light); }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13,31,45,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--white);
  letter-spacing: .02em;
}
.nav-logo span { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.75);
  font-size: .92rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: #c0392b; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== HERO ===== */
.hero {
  background: var(--dark);
  color: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg-text {
  position: absolute;
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: clamp(180px, 30vw, 380px);
  color: rgba(255,255,255,.03);
  user-select: none;
  right: -40px;
  bottom: -40px;
  line-height: 1;
  letter-spacing: -.05em;
}

.hero-inner {
  max-width: 820px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(243,156,18,.12);
  border: 1px solid rgba(243,156,18,.3);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 32px;
}

.hero-title {
  margin-bottom: 28px;
  color: var(--white);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.65);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 40px;
}
.stat { text-align: center; }
.stat-n {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--gold);
}
.stat-l { font-size: .8rem; color: rgba(255,255,255,.5); }
.stat-div { width: 1px; height: 48px; background: rgba(255,255,255,.15); }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.3);
  font-size: 1.4rem;
  animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ===== FACILITADOR BAND ===== */
.facilitador-band {
  background: var(--brand);
  padding: 20px 24px;
}
.band-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.band-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .9rem;
  flex-shrink: 0;
}
.band-text {
  display: flex; flex-direction: column;
  flex: 1;
}
.band-text strong { color: var(--white); font-size: .95rem; }
.band-text span { color: rgba(255,255,255,.65); font-size: .82rem; }
.band-text a { color: var(--gold); }
.band-social { display: flex; gap: 10px; flex-wrap: wrap; }
.social-pill {
  font-size: .78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
  transition: background .2s;
}
.social-pill:hover { background: rgba(255,255,255,.2); }
.social-pill.yt { background: rgba(231,76,60,.25); border-color: rgba(231,76,60,.4); }

/* ===== PERFILES ===== */
.perfiles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.perfil-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: box-shadow .25s, transform .25s;
  background: var(--white);
}
.perfil-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.perfil-featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(231,76,60,.12);
}
.perfil-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 999px;
}
.perfil-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.perfil-card h3 { margin-bottom: 14px; color: var(--dark); }
.perfil-card p { color: var(--muted); font-size: .92rem; margin-bottom: 20px; }
.perfil-base {
  font-size: .74rem;
  color: var(--brand);
  font-weight: 600;
  letter-spacing: .05em;
  background: rgba(27,79,114,.08);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
}
.perfiles-note {
  text-align: center;
  color: var(--muted);
  font-size: .88rem;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* ===== SESIONES ===== */
.sesiones-list { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; }
.sesion-item {
  display: grid;
  grid-template-columns: 80px 1fr 100px;
  gap: 32px;
  align-items: start;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 36px 40px;
  transition: background .2s;
}
.sesion-item:hover { background: rgba(255,255,255,.07); }
.sesion-num {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  opacity: .7;
}
.sesion-tag {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.sesion-body h3 { color: var(--white); margin-bottom: 12px; }
.sesion-body p { color: rgba(255,255,255,.6); font-size: .92rem; margin-bottom: 20px; }
.sesion-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sesion-items span {
  font-size: .78rem;
  color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  padding: 4px 10px;
  border-radius: 4px;
}
.sesion-dur {
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: rgba(255,255,255,.3);
  text-align: right;
  padding-top: 4px;
  white-space: nowrap;
}

/* ===== MATERIAL ===== */
.material-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.material-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  background: var(--white);
  transition: box-shadow .2s;
}
.material-item:hover { box-shadow: var(--shadow); }
.material-icon { font-size: 2rem; margin-bottom: 14px; }
.material-item h4 { margin-bottom: 10px; color: var(--dark); }
.material-item p { color: var(--muted); font-size: .88rem; line-height: 1.6; margin-bottom: 16px; }
.material-tag {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
}
.material-tag.free { background: rgba(39,174,96,.1); color: #27AE60; }
.material-tag.premium { background: rgba(27,79,114,.1); color: var(--brand); }
.material-tag.special { background: rgba(243,156,18,.12); color: #B7770D; }

/* ===== ORGANIZACIONES ===== */
.org-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}
.org-card {
  border: 1.5px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.org-card-featured {
  border-color: var(--gold);
  background: rgba(255,255,255,.06);
}
.org-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--dark);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 999px;
}
.org-card h4 { color: var(--white); font-size: 1.15rem; }
.org-card p { color: rgba(255,255,255,.65); font-size: .88rem; flex: 1; }

/* ===== LEGAL ===== */
.legal-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.legal-text h2 { margin-bottom: 20px; }
.legal-text p { color: var(--muted); line-height: 1.75; }
.legal-refs { display: flex; flex-direction: column; gap: 24px; }
.legal-ref {
  display: flex;
  gap: 20px;
  align-items: start;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.legal-ref:last-child { border-bottom: none; }
.ref-num {
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent);
  opacity: .4;
  min-width: 36px;
  line-height: 1;
  margin-top: 2px;
}
.legal-ref strong { display: block; color: var(--dark); margin-bottom: 4px; }
.legal-ref span { font-size: .88rem; color: var(--muted); }

/* ===== CONTACTO ===== */
.contact-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto 32px;
}
.contact-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  transition: box-shadow .2s, transform .2s;
  text-align: center;
}
.contact-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.contact-icon { font-size: 2.4rem; }
.contact-card h4 { color: var(--dark); }
.contact-card p { color: var(--muted); font-size: .9rem; }
.contact-note {
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
  padding: 16px;
  background: rgba(27,79,114,.06);
  border-radius: 8px;
  max-width: 520px;
  margin: 0 auto;
  border: 1px solid rgba(27,79,114,.12);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 64px 24px 0;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p { color: rgba(255,255,255,.5); font-size: .88rem; margin: 12px 0 8px; line-height: 1.65; }
.footer-brand a { color: var(--gold); font-size: .88rem; }
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links strong { color: rgba(255,255,255,.4); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 4px; }
.footer-links a { color: rgba(255,255,255,.65); font-size: .88rem; transition: color .2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom span { font-size: .78rem; color: rgba(255,255,255,.3); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .perfiles-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
  .material-grid { grid-template-columns: 1fr 1fr; }
  .org-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .legal-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-options { grid-template-columns: 1fr; max-width: 400px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .sesion-item { grid-template-columns: 60px 1fr; }
  .sesion-dur { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark); padding: 24px; gap: 20px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-stats { gap: 20px; }
  .stat-div { display: none; }
  .material-grid { grid-template-columns: 1fr; }
  .sesion-item { grid-template-columns: 1fr; padding: 24px; }
  .sesion-num { font-size: 2rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .band-inner { flex-direction: column; align-items: flex-start; }
}