/* ==========================================================================
   COSA BESTIA - CATÁLOGOS & OBRA EDITORIAL
   Estilos base compartidos y tokens de diseño
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:ital,wght@0,400;0,700;1,400&family=Special+Elite&display=swap');

:root {
  /* Paleta Oficial Cosa Bestia */
  --blue-principal: #0236aa;
  --blue-hover: #012882;
  --red-locker: #cf142b;
  --red-hover: #a80f22;
  --black-ink: #111111;
  --white-paper: #fbfbf9;
  --paper-card: #f4f3ef;
  --paper-border: #dcd8cf;
  --text-muted: #555555;
  --whatsapp-green: #25d366;
  --whatsapp-hover: #1ebd56;

  /* Tipografías */
  --font-typewriter: 'Special Elite', 'Courier Prime', monospace;
  --font-mono: 'Courier Prime', 'Courier New', monospace;

  /* Sombras y transiciones */
  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 4px 15px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 12px 30px rgba(0, 0, 0, 0.16);
  --shadow-book: 0 16px 36px rgba(0, 0, 0, 0.35);
}

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

html, body {
  width: 100%;
  min-height: 100vh;
  font-family: var(--font-typewriter);
  color: var(--black-ink);
  background-color: var(--white-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Grano analógico y textura de papel de autor */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Enlaces base */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Botones base */
button {
  font-family: var(--font-typewriter);
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

/* Encabezado Principal */
.site-header {
  border-bottom: 2px solid var(--black-ink);
  background-color: var(--white-paper);
  padding: 1.25rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  transition: transform 0.25s ease;
}

.brand-logo:hover {
  transform: rotate(-3deg) scale(1.05);
}

.brand-text h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--black-ink);
  line-height: 1.1;
}

.brand-text .subdomain-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--blue-principal);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid transparent;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link:hover {
  border-color: var(--black-ink);
  background-color: var(--paper-card);
}

.nav-link-primary {
  background-color: var(--red-locker);
  color: #ffffff !important;
  border-color: var(--red-locker);
  font-weight: 700;
}

.nav-link-primary:hover {
  background-color: var(--red-hover);
  border-color: var(--red-hover);
  transform: translateY(-1px);
}

/* Banner de presentación */
.intro-section {
  max-width: 1200px;
  margin: 3rem auto 2.5rem;
  padding: 0 2rem;
}

.intro-badge {
  display: inline-block;
  background-color: var(--blue-principal);
  color: #ffffff;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
}

.intro-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--black-ink);
  max-width: 800px;
}

.intro-description {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 720px;
}

/* Grid de catálogos */
.gallery-section {
  max-width: 1200px;
  margin: 0 auto 5rem;
  padding: 0 2rem;
}

.catalogs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
}

/* Tarjeta de Catálogo */
.catalog-card {
  background-color: var(--white-paper);
  border: 2px solid var(--black-ink);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 6px 6px 0px var(--black-ink);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.catalog-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0px var(--blue-principal);
}

.card-cover-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: #e5e2da;
  overflow: hidden;
  border-bottom: 2px solid var(--black-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
}

.card-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.catalog-card:hover .card-cover-img {
  transform: scale(1.03);
}

/* Lomo editorial en la portada */
.card-cover-spine {
  position: absolute;
  top: 0;
  left: 0;
  width: 14px;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.3) 0%, rgba(255,255,255,0.15) 50%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
  z-index: 2;
}

.card-badge-year {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--black-ink);
  color: var(--white-paper);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  padding: 0.2rem 0.5rem;
  z-index: 3;
  font-weight: 700;
}

.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-technique {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--blue-principal);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  letter-spacing: 0.5px;
}

.card-title {
  font-size: 1.35rem;
  line-height: 1.25;
  color: var(--black-ink);
  margin-bottom: 0.5rem;
}

.card-title-link {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.card-title-link:hover {
  color: var(--blue-principal);
}

.card-subtitle {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--paper-border);
}

.btn-open-viewer {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background-color: var(--blue-principal);
  color: #ffffff;
  font-family: var(--font-typewriter);
  font-size: 0.95rem;
  font-weight: 700;
  border: 1px solid var(--black-ink);
  box-shadow: 3px 3px 0px var(--black-ink);
  transition: var(--transition-smooth);
}

.btn-open-viewer:hover {
  background-color: var(--blue-hover);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--black-ink);
}

.btn-download-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--black-ink);
  background-color: var(--paper-card);
  box-shadow: 3px 3px 0px var(--black-ink);
  color: var(--black-ink);
  transition: var(--transition-smooth);
}

.btn-download-icon:hover {
  background-color: var(--red-locker);
  color: #ffffff;
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--black-ink);
}

/* Placeholder artístico cuando no hay portada */
.card-placeholder-art {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(circle, #f3eee6 0%, #dfdbd0 100%);
  width: 100%;
  height: 100%;
  color: var(--black-ink);
  gap: 0.75rem;
}

.placeholder-icon {
  font-size: 2.5rem;
  opacity: 0.7;
}

.placeholder-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Pie de página */
.site-footer {
  border-top: 2px solid var(--black-ink);
  background-color: var(--paper-card);
  padding: 3rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.footer-contacts {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.footer-link-whatsapp {
  color: #128c7e;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-link-whatsapp:hover {
  color: var(--whatsapp-hover);
  text-decoration: underline;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsividad para móviles */
@media (max-width: 768px) {
  .site-header {
    padding: 1rem;
  }
  .intro-section, .gallery-section {
    padding: 0 1rem;
  }
  .catalogs-grid {
    grid-template-columns: 1fr;
  }
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
}