/* ============================================================
   C100 — Página del libro completo
   ============================================================ */

/* --- Reset de estilos del tema en c100 --- */
.page.single.special {
  max-width: 860px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.page.single.special h1,
.page.single.special h2,
.page.single.special h3 {
  text-transform: none;
  letter-spacing: normal;
}

/* --- HERO --- */
.c100-hero-panel {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 2rem 0 2.5rem;
  border-bottom: 2px solid #e8f5f2;
  margin-bottom: 2.5rem;
}

.c100-hero-title {
  flex: 1;
  font-size: 2rem !important;
  font-weight: 700 !important;
  line-height: 1.2 !important;
  color: #1a3a35 !important;
  margin: 0 !important;
  text-transform: none !important;
}

.c100-book-cover {
  width: 200px;
  min-width: 200px;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  transition: transform 0.2s;
}

.c100-book-cover:hover {
  transform: translateY(-4px);
}

/* --- INTRO --- */
.c100-intro {
  margin-bottom: 2.5rem;
}

.c100-intro h2 {
  font-size: 1.4rem !important;
  color: #1a3a35 !important;
  margin-top: 0 !important;
  margin-bottom: 0.75rem !important;
}

/* --- AMAZON BOX --- */
.c100-amazon-box {
  background: #f7fdfb;
  border: 1.5px solid #2A9D8F;
  border-radius: 12px;
  padding: 1.5rem 1.5rem 1.25rem;
  margin: 1.5rem 0;
}

.c100-amazon-title {
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  color: #1a3a35 !important;
  margin: 0 0 1rem !important;
  text-transform: none !important;
}

.c100-buy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.c100-buy-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 1.25rem 1rem 1rem;
  border-radius: 10px;
  text-decoration: none !important;
  color: #fff !important;
  transition: transform 0.15s, box-shadow 0.15s;
  overflow: hidden;
}

.c100-buy-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  text-decoration: none !important;
}

.c100-buy-card-es {
  background: linear-gradient(135deg, #2A9D8F 0%, #1d7a6e 100%);
}

.c100-buy-card-en {
  background: linear-gradient(135deg, #264653 0%, #1a3040 100%);
}

.c100-buy-corner {
  position: absolute;
  top: 0.4rem;
  right: 0.6rem;
  font-size: 1rem;
  opacity: 0.85;
}

.c100-buy-icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.15rem;
}

.c100-buy-name {
  font-weight: 700;
  font-size: 1rem;
}

.c100-buy-subtitle {
  font-size: 0.8rem;
  opacity: 0.85;
}

.c100-buy-cta {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(255,255,255,0.18);
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.35);
}

.c100-kindle-note {
  font-size: 0.88rem;
  color: #555 !important;
  margin: 0.75rem 0 0;
}

/* --- LEARNING GRID --- */
.c100-learning {
  margin-bottom: 2.5rem;
}

.c100-learning h2 {
  font-size: 1.4rem !important;
  color: #1a3a35 !important;
  margin-top: 0 !important;
  margin-bottom: 1rem !important;
}

.c100-learning-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.c100-learning-card {
  background: #f7fdfb;
  border: 1px solid #c8e6e1;
  border-radius: 8px;
  padding: 1rem 1.1rem;
}

.c100-learning-card h3 {
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  color: #1d7a6e !important;
  margin: 0 0 0.4rem !important;
  text-transform: none !important;
}

.c100-learning-card p {
  font-size: 0.85rem;
  color: #444 !important;
  margin: 0;
  line-height: 1.5;
}

/* --- PRACTICE --- */
.c100-practice {
  background: #1d7a6e;
  color: #fff;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}

.c100-practice h2 {
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  color: #fff !important;
  margin: 0 0 0.5rem !important;
}

.c100-practice p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.95;
}

/* --- DIVIDER --- */
.c100-divider,
.page.single.special hr {
  border: none;
  border-top: 2px solid #e8f5f2;
  margin: 2rem 0;
}

/* --- RESOURCES GRID --- */
.c100-resources-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.25rem 0 2rem;
}

.c100-resource-card {
  border-radius: 10px;
  padding: 1.25rem 1.1rem;
  border: 1.5px solid #c8e6e1;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.c100-resource-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.c100-resource-card h3 {
  font-size: 1rem !important;
  font-weight: 700 !important;
  color: #1a3a35 !important;
  margin: 0 !important;
  text-transform: none !important;
}

.c100-resource-title-chip {
  margin-right: 0.3rem;
}

.c100-resource-card p {
  font-size: 0.85rem;
  color: #444 !important;
  margin: 0;
}

.c100-resource-card ul {
  font-size: 0.82rem;
  color: #555 !important;
  margin: 0;
  padding-left: 1.2rem;
}

.c100-resource-card ul li {
  margin-bottom: 0.2rem;
}

.c100-resource-card a {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #2A9D8F !important;
  text-decoration: none;
  border-bottom: 1.5px solid #2A9D8F;
  padding-bottom: 1px;
}

.c100-resource-card a:hover {
  color: #1d7a6e !important;
  border-bottom-color: #1d7a6e;
}

.c100-resource-pack   { border-color: #2A9D8F; }
.c100-resource-code   { border-color: #264653; }
.c100-resource-errata { border-color: #e9c46a; }

/* ============================================================
   Ejercicios — Página de sección
   ============================================================ */

/* Reduce el h1 uppercase del tema en páginas de sección de ejercicios */
article.default h1,
article h1 {
  font-size: 1.8rem !important;
  text-transform: none !important;
  line-height: 1.25 !important;
  margin-bottom: 1rem !important;
}

/* Feature grid (Qué encontrarás) */
.exercise-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.25rem 0 1.5rem;
}

.exercise-feature-card {
  background: #f7fdfb;
  border: 1px solid #c8e6e1;
  border-radius: 8px;
  padding: 1.1rem 1rem;
}

.exercise-feature-icon {
  font-size: 1.6rem;
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: monospace;
  color: #2A9D8F !important;
  font-weight: 700;
}

.exercise-feature-card h3 {
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  color: #1d7a6e !important;
  margin: 0 0 0.4rem !important;
  text-transform: none !important;
}

.exercise-feature-card p {
  font-size: 0.85rem;
  color: #444 !important;
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 700px) {
  .exercise-feature-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Responsive --- */
@media (max-width: 700px) {
  .c100-hero-panel {
    flex-direction: column-reverse;
    text-align: center;
    gap: 1.5rem;
  }

  .c100-book-cover {
    width: 160px;
    min-width: 160px;
  }

  .c100-buy-grid,
  .c100-learning-grid,
  .c100-resources-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) and (min-width: 701px) {
  .c100-learning-grid,
  .c100-resources-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}