/* ========================================
   EL CLUB DE LOS CORAZONES ROTOS
   Modern Minimalist — Auto Dark/Light
   ======================================== */

/* ---------- CSS Variables (Light Mode Default) ---------- */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8f7f4;
  --color-bg-card: #ffffff;
  --color-surface: #f0eeeb;
  --color-heading: #1a1a1a;
  --color-text: #3a3a3a;
  --color-text-muted: #8a8a8a;
  --color-accent: #c0392b;
  --color-accent-hover: #a93226;
  --color-accent-soft: rgba(192, 57, 43, 0.08);
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.15);
  --color-overlay: rgba(0, 0, 0, 0.6);
  --color-nav-bg: rgba(255, 255, 255, 0.92);
  --color-nav-shadow: rgba(0, 0, 0, 0.06);
  --color-mobile-menu: rgba(255, 255, 255, 0.98);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-heading: 'Cinzel', serif;
  --font-body: 'Lato', 'Helvetica Neue', sans-serif;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
  --shadow-img: 0 12px 48px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
  --transition-slow: 0.5s ease;
}

/* ---------- Dark Mode ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f0f0f;
    --color-bg-alt: #161616;
    --color-bg-card: #1c1c1c;
    --color-surface: #222222;
    --color-heading: #f0ede8;
    --color-text: #c8c4bc;
    --color-text-muted: #7a7670;
    --color-accent: #e74c3c;
    --color-accent-hover: #f05a4a;
    --color-accent-soft: rgba(231, 76, 60, 0.1);
    --color-border: rgba(255, 255, 255, 0.07);
    --color-border-strong: rgba(255, 255, 255, 0.12);
    --color-overlay: rgba(0, 0, 0, 0.75);
    --color-nav-bg: rgba(15, 15, 15, 0.92);
    --color-nav-shadow: rgba(0, 0, 0, 0.3);
    --color-mobile-menu: rgba(15, 15, 15, 0.98);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-img: 0 12px 48px rgba(0, 0, 0, 0.5);
  }
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

/* ---------- Section Headers ---------- */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.2;
  margin-bottom: 16px;
}

.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.divider::before, .divider::after {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--color-border-strong);
}

.heart-icon {
  color: var(--color-accent);
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(192, 57, 43, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--color-heading);
  border: 1.5px solid var(--color-border-strong);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 44px;
  font-size: 0.88rem;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: var(--color-nav-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--color-border);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 44px;
  width: 44px;
  border-radius: 50%;
  object-fit: cover;
  transition: var(--transition);
}

.navbar.scrolled .logo-img {
  height: 36px;
  width: 36px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.5px;
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: 8px;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: var(--transition);
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav-link:hover {
  color: var(--color-heading);
}

.nav-link:hover::after {
  width: 50%;
}

.nav-cta {
  background: var(--color-accent);
  border-radius: 50px;
  padding: 9px 22px;
  color: #fff !important;
  font-weight: 600;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* Nav Toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--color-heading);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  background: var(--color-bg);
  overflow: hidden;
  padding: 120px 24px 60px;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: none;
}

.hero-overlay {
  display: none;
}

.hero-content {
  max-width: 1100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  color: var(--color-heading);
  line-height: 1.08;
  margin-bottom: 24px;
}

.hero-title .highlight {
  color: var(--color-accent);
  -webkit-text-fill-color: var(--color-accent);
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-book {
  display: flex;
  justify-content: center;
  align-items: center;
}

.book-3d {
  perspective: 800px;
  display: flex;
  justify-content: center;
}

.book-cover {
  max-height: 480px;
  width: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-img);
  transition: transform 0.5s ease;
  transform: rotateY(-3deg);
}

.book-cover:hover {
  transform: rotateY(0deg) scale(1.02);
}

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: var(--transition);
}

.scroll-indicator:hover {
  color: var(--color-accent);
}

.scroll-arrow {
  width: 18px;
  height: 18px;
  border-right: 1.5px solid var(--color-text-muted);
  border-bottom: 1.5px solid var(--color-text-muted);
  transform: rotate(45deg);
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

/* ========================================
   PRESENTACION
   ======================================== */
.presentacion {
  background: var(--color-bg-alt);
}

.lead-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  text-align: center;
  color: var(--color-text);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.8;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-heading);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ========================================
   QUOTE SECTION
   ======================================== */
.quote-section {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 80px 0;
}

.quote-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.quote-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35) saturate(0.7) contrast(1.1);
}

.quote-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.4) 50%, rgba(0, 0, 0, 0.6) 100%);
  z-index: 1;
}

.quote-container {
  position: relative;
  z-index: 2;
}

.featured-quote {
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
}

.featured-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-style: italic;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 20px;
}

.featured-quote cite {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: normal;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ========================================
   EL LIBRO
   ======================================== */
.libro {
  background: var(--color-bg);
}

.libro-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.libro-cover {
  position: sticky;
  top: 120px;
}

.libro-cover img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-img);
}

.libro-info h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-heading);
  margin-bottom: 14px;
  margin-top: 32px;
}

.libro-info h3:first-child {
  margin-top: 0;
}

.libro-info p {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.libro-temas {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.libro-temas li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.tema-icon {
  font-size: 1.1rem;
}

.libro-meta {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.meta-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.meta-value {
  font-size: 0.92rem;
  color: var(--color-heading);
}

/* ========================================
   VIDEO SECTION
   ======================================== */
.video-section {
  background: var(--color-bg-alt);
}

.video-wrapper {
  max-width: 780px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-wrapper video {
  width: 100%;
  display: block;
  border-radius: var(--radius);
}

/* ========================================
   QUOTE SECTION ALT
   ======================================== */
.quote-section-alt {
  min-height: 380px;
}

/* ========================================
   PROLOGO
   ======================================== */
.prologo {
  background: var(--color-bg-alt);
}

.prologo-content {
  max-width: 680px;
  margin: 0 auto;
}

.prologo-text {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 48px;
  position: relative;
}

.prologo-text::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--color-accent);
  opacity: 0.15;
  position: absolute;
  top: 16px;
  left: 24px;
  line-height: 1;
}

.prologo-nota {
  background: var(--color-accent-soft);
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prologo-text p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 18px;
}

.prologo-firma {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-text-muted);
  text-align: right;
  margin-top: 28px;
}

/* ========================================
   AUTOR
   ======================================== */
.autor {
  background: var(--color-bg);
}

.autor-content {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}

.autor-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-img);
}

.autor-image-secondary {
  margin-top: 20px;
}

.autor-info h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-heading);
  margin-bottom: 18px;
}

.autor-info p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 18px;
}

.autor-manifiesto {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-accent);
  padding: 24px 28px;
  margin: 28px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.autor-manifiesto h4 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.autor-manifiesto p {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 0;
}

.autor-social {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ========================================
   BLOG
   ======================================== */
.blog {
  background: var(--color-bg-alt);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.blog-card-image {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.blog-placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--color-surface) !important;
}

.blog-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 50px;
}

.blog-card-content {
  padding: 22px;
}

.blog-card-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-heading);
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-card-content p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.blog-read-more {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
}

.blog-read-more:hover {
  opacity: 0.7;
}

/* ========================================
   COMPRAR
   ======================================== */
.comprar {
  background: var(--color-bg);
}

.comprar-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.comprar-text .section-tag {
  display: block;
  margin-bottom: 14px;
}

.comprar-text .section-title {
  text-align: left;
  margin-bottom: 18px;
}

.comprar-text p {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 28px;
}

.comprar-note {
  font-size: 0.82rem !important;
  color: var(--color-text-muted) !important;
  margin-top: 14px !important;
}

.comprar-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-img);
}

/* ========================================
   NEWSLETTER
   ======================================== */
.newsletter {
  background: var(--color-bg-alt);
  padding: 80px 0;
}

.newsletter-content {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.newsletter-content h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-heading);
  margin-bottom: 10px;
}

.newsletter-content p {
  color: var(--color-text-muted);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.newsletter-form {
  display: flex;
  gap: 10px;
  max-width: 460px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 13px 18px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-strong);
  border-radius: 50px;
  color: var(--color-heading);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.newsletter-form input:focus {
  border-color: var(--color-accent);
}

.newsletter-form input::placeholder {
  color: var(--color-text-muted);
}

/* ========================================
   CONTACTO
   ======================================== */
.contacto {
  background: var(--color-bg);
}

.contacto-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contacto-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-heading);
  margin-bottom: 14px;
}

.contacto-info p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.contacto-datos {
  margin-bottom: 20px;
}

.contacto-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.contacto-icon {
  font-size: 1.2rem;
}

.contacto-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.contacto-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 18px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-heading);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 56px 0 28px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-logo {
  height: 48px;
  width: 48px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 14px;
}

.footer-brand p {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-links h4 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-heading);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ========================================
   ANIMATIONS
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeInUp 0.7s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.25s; }
.fade-in:nth-child(3) { animation-delay: 0.4s; }
.fade-in:nth-child(4) { animation-delay: 0.55s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-aos] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Floating particles — hidden in minimal design */
.particle {
  display: none;
}

@keyframes floatParticle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .book-cover {
    max-height: 360px;
    transform: none;
  }

  .features-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .libro-content {
    grid-template-columns: 1fr;
  }

  .libro-cover {
    position: relative;
    top: 0;
    max-width: 380px;
    margin: 0 auto;
  }

  .autor-content {
    grid-template-columns: 1fr;
  }

  .autor-image {
    max-width: 440px;
    margin: 0 auto;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .comprar-content {
    grid-template-columns: 1fr;
  }

  .comprar-text .section-title {
    text-align: center;
  }

  .comprar-text {
    text-align: center;
  }

  .comprar-image {
    max-width: 440px;
    margin: 0 auto;
  }

  .contacto-content {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .contacto-social,
  .autor-social {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--color-mobile-menu);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 100px 32px 32px;
    gap: 0;
    transition: right 0.35s ease;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    display: block;
    font-size: 1rem;
    padding: 16px 0;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    background: none;
    color: var(--color-heading);
  }

  .nav-link::after {
    display: none;
  }

  .nav-cta {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 20px;
    padding: 14px 28px;
    border-bottom: none;
    border-radius: 50px;
    background: var(--color-accent);
    color: #fff !important;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 100px 20px 50px;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .newsletter-form {
    flex-direction: column;
  }

  .prologo-text {
    padding: 28px 22px;
  }

  .libro-meta {
    flex-direction: column;
    gap: 16px;
  }
}

/* ========================================
   BLOG PAGE STYLES
   ======================================== */
.blog-header {
  padding: 140px 0 60px;
  text-align: center;
  background: var(--color-bg);
}

.blog-header-desc {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 18px auto 0;
}

.blog-listing {
  background: var(--color-bg-alt);
}

.blog-section {
  background: var(--color-bg-alt);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  justify-content: center;
}

.filter-btn {
  padding: 7px 18px;
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.blog-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.blog-date {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.blog-loading, .blog-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
  padding: 40px 0;
  grid-column: 1 / -1;
}

.blog-ver-mas {
  text-align: center;
  margin-top: 36px;
}

/* ========================================
   SINGLE POST PAGE
   ======================================== */
.post-page {
  padding: 120px 0 60px;
  min-height: 60vh;
}

.post-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.post-header {
  margin-bottom: 40px;
  text-align: center;
}

.post-header .blog-category {
  position: static;
  display: inline-block;
  margin-bottom: 16px;
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  color: var(--color-heading);
  line-height: 1.2;
  margin-bottom: 16px;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.post-body {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--color-text);
}

.post-body p { margin-bottom: 20px; }
.post-body h2, .post-body h3 {
  font-family: var(--font-display);
  color: var(--color-heading);
  margin: 28px 0 14px;
}
.post-body blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--color-bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text);
}
.post-body a { color: var(--color-accent); text-decoration: underline; }
.post-body ul, .post-body ol { padding-left: 24px; margin-bottom: 20px; }
.post-body li { margin-bottom: 8px; }

.post-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 36px 0;
  padding: 18px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.share-btn {
  padding: 6px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: 50px;
  font-size: 0.78rem;
  color: var(--color-text);
  transition: var(--transition);
}

.share-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 36px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   COMMENTS
   ======================================== */
.comments-section {
  max-width: 720px;
  margin: 56px auto 0;
  padding-top: 36px;
  border-top: 1px solid var(--color-border);
}

.comments-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-heading);
  margin-bottom: 22px;
}

.comment {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 14px;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.comment-header strong {
  color: var(--color-heading);
  font-size: 0.92rem;
}

.comment-header time {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.comment p {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.6;
}

.no-comments {
  color: var(--color-text-muted);
  font-style: italic;
  padding: 18px 0;
}

.comment-form-wrapper {
  margin-top: 28px;
}

.comment-form-wrapper h4 {
  font-family: var(--font-display);
  color: var(--color-heading);
  margin-bottom: 14px;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comment-form .form-group input,
.comment-form .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-heading);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
  resize: vertical;
}

.comment-form .form-group input:focus,
.comment-form .form-group textarea:focus {
  border-color: var(--color-accent);
}

.comment-form .form-group input::placeholder,
.comment-form .form-group textarea::placeholder {
  color: var(--color-text-muted);
}

/* Nav active state */
.nav-link.active {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .post-nav { flex-direction: column; }
  .post-share { flex-wrap: wrap; }
  .blog-filters { gap: 6px; }
  .filter-btn { padding: 6px 14px; font-size: 0.72rem; }
}