/* Landing juvenil — solo con body.theme-youth (home) */
body.theme-youth {
  --ink: #2a1f35;
  --paper: #fff8fb;
  --paper-dark: #ffe8f0;
  --muted: #6b5a72;
  --accent: #e91e8c;
  --accent-hover: #c2186a;
  --youth-lilac: #9c6eff;
  --youth-pop: #00c4b4;
  --shadow: 0 16px 40px rgba(233, 30, 140, 0.12);
  --font-display: "Fredoka", system-ui, sans-serif;
  --font-script: "Caveat", cursive;
}

body.theme-youth {
  background: linear-gradient(
    165deg,
    #ffd6e8 0%,
    #ffeef6 28%,
    #f5e9ff 55%,
    #fff8fb 100%
  );
  background-attachment: fixed;
}

body.theme-youth .site-header {
  background: rgba(255, 240, 248, 0.88);
  border-bottom-color: rgba(233, 30, 140, 0.12);
}

body.theme-youth .logo {
  font-family: var(--font-script);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

body.theme-youth .logo:hover {
  color: var(--accent-hover);
}

body.theme-youth .nav a {
  font-weight: 600;
  font-size: 0.9rem;
}

body.theme-youth .nav a:hover {
  color: var(--accent);
}

body.theme-youth .btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #ff4d9d 100%);
  box-shadow: 0 6px 20px rgba(233, 30, 140, 0.35);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
}

body.theme-youth .btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
}

body.theme-youth .btn-ghost {
  border-color: var(--ink);
  border-width: 2.5px;
  font-family: var(--font-display);
  font-weight: 600;
}

body.theme-youth .btn-ghost:hover {
  background: var(--ink);
  color: #fff;
}

/* Hero */
body.theme-youth .hero--youth {
  padding-top: clamp(2.5rem, 7vw, 4.5rem);
}

body.theme-youth .hero--youth::before {
  background: radial-gradient(
    ellipse at 70% 20%,
    rgba(156, 110, 255, 0.2) 0%,
    transparent 50%
  ),
    radial-gradient(
      ellipse at 20% 80%,
      rgba(0, 196, 180, 0.12) 0%,
      transparent 45%
    );
}

body.theme-youth .hero-badge {
  background: var(--ink);
  color: #fff;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  letter-spacing: 0.06em;
  font-family: var(--font-display);
}

body.theme-youth .hero h1 {
  font-family: var(--font-script);
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: 0.01em;
}

body.theme-youth .hero-lead {
  max-width: 36ch;
  font-weight: 500;
  color: var(--muted);
}

body.theme-youth .hero-stats {
  border-top-color: rgba(233, 30, 140, 0.15);
}

body.theme-youth .stat strong {
  font-family: var(--font-display);
  color: var(--accent);
}

/* Collage portadas */
body.theme-youth .hero-visual {
  max-width: 400px;
}

body.theme-youth .hero-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 0.5rem;
  position: relative;
  padding: 0.5rem;
}

body.theme-youth .hero-collage__item {
  text-decoration: none;
  background: #fff;
  padding: 6px 6px 10px;
  border-radius: 6px;
  box-shadow: 0 10px 28px rgba(42, 31, 53, 0.15);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

body.theme-youth .hero-collage__item:hover {
  box-shadow: 0 16px 36px rgba(233, 30, 140, 0.22);
  text-decoration: none;
  z-index: 2;
}

body.theme-youth .hero-collage__item img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 2px;
}

body.theme-youth .hero-collage__item--1 {
  transform: rotate(-7deg) translate(-4px, 8px);
}

body.theme-youth .hero-collage__item--2 {
  transform: rotate(5deg) translate(4px, 0);
}

body.theme-youth .hero-collage__item--3 {
  transform: rotate(4deg) translate(-8px, -4px);
}

body.theme-youth .hero-collage__item--4 {
  transform: rotate(-5deg) translate(6px, -8px);
}

body.theme-youth .hero-collage__item:hover {
  transform: rotate(0deg) scale(1.04) translate(0, 0);
}

body.theme-youth .hero-collage__fallback {
  grid-column: 1 / -1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(42, 31, 53, 0.12);
  transform: rotate(-2deg);
}

body.theme-youth .hero-collage__fallback img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

body.theme-youth .hero-float--youth {
  background: #fff;
  border: 2px solid rgba(156, 110, 255, 0.35);
  box-shadow: 0 12px 32px rgba(156, 110, 255, 0.2);
}

body.theme-youth .hero-float--youth p {
  color: var(--youth-lilac);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body.theme-youth .hero-float--youth strong {
  color: var(--ink);
  font-family: var(--font-display);
}

/* Club: contraste sobre rosa */
body.theme-youth .club {
  --club-bg: #fff0f6;
  --club-ink: #4a1942;
  background: linear-gradient(180deg, #ffc2d8 0%, #fff0f6 45%, #fce4ff 100%);
}

body.theme-youth .club-display {
  font-family: var(--font-script);
  font-size: clamp(2rem, 5vw, 3rem);
}

body.theme-youth .club-plan {
  background: rgba(255, 255, 255, 0.85);
  border: 2px solid rgba(74, 25, 66, 0.08);
}

/* Catálogo home */
body.theme-youth .bg-warm {
  background: linear-gradient(180deg, #ffffff 0%, #fff5fb 100%);
}

body.theme-youth .section-kicker {
  color: var(--accent);
  font-family: var(--font-display);
}

body.theme-youth .section-title {
  font-family: var(--font-script);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  color: var(--ink);
}

body.theme-youth .book-grid .book-card {
  border: 3px solid #fff;
  box-shadow: 0 8px 28px rgba(233, 30, 140, 0.1);
}

body.theme-youth .book-grid .book-card:nth-child(4n + 1) {
  transform: rotate(-1.8deg);
}

body.theme-youth .book-grid .book-card:nth-child(4n + 2) {
  transform: rotate(1.5deg);
}

body.theme-youth .book-grid .book-card:nth-child(4n + 3) {
  transform: rotate(1.2deg);
}

body.theme-youth .book-grid .book-card:nth-child(4n) {
  transform: rotate(-1.2deg);
}

body.theme-youth .book-grid .book-card:hover {
  transform: rotate(0deg) translateY(-6px) scale(1.02);
}

body.theme-youth .book-title {
  font-family: var(--font-display);
}

/* Por qué */
body.theme-youth #por-que .feature {
  border-radius: 20px;
  border: 2px solid rgba(233, 30, 140, 0.1);
  box-shadow: 0 8px 24px rgba(156, 110, 255, 0.08);
}

body.theme-youth #por-que .feature h3 {
  font-family: var(--font-display);
  color: var(--ink);
}

body.theme-youth #por-que .feature-icon {
  background: linear-gradient(135deg, rgba(233, 30, 140, 0.15), rgba(156, 110, 255, 0.2));
}

/* CTA contacto */
body.theme-youth .cta-band {
  background: linear-gradient(135deg, #4a1942 0%, #7c3aad 50%, #e91e8c 100%);
  border-radius: 24px;
}

body.theme-youth .cta-band h2 {
  font-family: var(--font-script);
  font-size: clamp(2rem, 4vw, 2.75rem);
}

body.theme-youth .cta-band .btn-primary {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

body.theme-youth .cta-band .btn-primary:hover {
  background: #fff5fb;
  color: var(--accent-hover);
}

/* Footer */
body.theme-youth .site-footer {
  border-top-color: rgba(233, 30, 140, 0.12);
  background: rgba(255, 255, 255, 0.5);
}

@media (max-width: 900px) {
  body.theme-youth .hero-collage__item--1,
  body.theme-youth .hero-collage__item--2,
  body.theme-youth .hero-collage__item--3,
  body.theme-youth .hero-collage__item--4 {
    transform: rotate(-3deg);
  }

  body.theme-youth .hero-collage__item:nth-child(even) {
    transform: rotate(3deg);
  }

  body.theme-youth .hero-visual {
    order: -1;
    margin-bottom: 1rem;
  }
}