/* ==========================================================================
   CEIBE (ceibe.eu) - DESIGN SYSTEM & STYLES (VERDE CELTA & DORADO CLASSIC)
   ========================================================================== */

:root {
  --celtic-dark: #0d2212;
  --celtic-darker: #07150b;
  --celtic-green: #14381c;
  --celtic-gold: #d4af37;
  --celtic-gold-light: #f3e5ab;
  --celtic-gold-glow: rgba(212, 175, 55, 0.35);
  --parchment: #f4e9d8;
  --parchment-dark: #c8b99c;
  --text-main: #ffffff;
  --text-muted: #a0aec0;
  --border-glass: rgba(212, 175, 55, 0.25);
  --border-active: #d4af37;
  --font-title: 'Cinzel', 'Trajan Pro', serif;
  --font-body: 'EB Garamond', 'Times New Roman', serif;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--celtic-darker);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(212, 175, 55, 0.08) 0%, transparent 70%),
    radial-gradient(circle at 90% 50%, rgba(20, 56, 28, 0.4) 0%, transparent 60%);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- HEADER & NAVBAR --- */
.site-header {
  background: rgba(7, 21, 11, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 140px;
  position: relative;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  text-decoration: none;
  z-index: 2;
}

.brand-logo-img {
  height: 142px;
  width: 142px;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(212, 175, 55, 0.45));
  border: none;
  border-radius: 50%;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.brand-logo-img:hover {
  transform: scale(1.04);
  filter: drop-shadow(0 0 26px rgba(212, 175, 55, 0.75));
}

.brand-wrapper:hover .brand-logo-img {
  transform: scale(1.04);
}

.brand-text-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.brand-title {
  font-family: var(--font-title);
  font-size: 3.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--celtic-gold);
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.35);
  line-height: 0.95;
  text-align: center;
}

.brand-domain {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--celtic-gold-light);
  text-transform: uppercase;
  margin-top: 6px;
  text-align: center;
}

.main-nav {
  display: flex;
  gap: 2.8rem;
  align-items: center;
}

.nav-link {
  color: #e2d8c3;
  text-decoration: none;
  font-family: var(--font-title);
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--celtic-gold-light);
  text-shadow: 0 0 18px rgba(212, 175, 55, 0.6);
  transform: translateY(-1px);
}

/* --- HERO SECTION --- */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at center, rgba(212, 175, 55, 0.08) 0%, rgba(13, 34, 18, 0) 70%);
}

.hero-content {
  text-align: center;
}

.badge-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.35);
  color: var(--celtic-gold);
  padding: 0.45rem 1.3rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
}

.hero h1 {
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #ffffff 0%, var(--celtic-gold) 60%, var(--celtic-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.22rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.2rem;
  line-height: 1.6;
}

.cta-group {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-brand-primary {
  padding: 1rem 2.4rem;
  background: linear-gradient(135deg, var(--celtic-gold), #b89228);
  color: var(--celtic-darker);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 25px var(--celtic-gold-glow);
  border: none;
  cursor: pointer;
}

.btn-brand-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 35px rgba(212, 175, 55, 0.6);
  color: #000000;
}

.btn-brand-gold {
  padding: 1rem 2.2rem;
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid rgba(212, 175, 55, 0.5);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.btn-brand-gold:hover {
  background: var(--celtic-gold);
  color: var(--celtic-darker);
  box-shadow: 0 8px 30px var(--celtic-gold-glow);
  transform: translateY(-3px);
}

/* --- CATALOG SECTION --- */
/* --- CATALOG SECTION --- */
.catalog-section {
  padding: 2.2rem 0 4rem;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 1.5rem;
}

.section-title-wrap h2 {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 350px));
  justify-content: center;
  gap: 1.8rem;
}

/* --- PRODUCT CARD --- */
.product-card {
  background: var(--celtic-dark);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  backdrop-filter: blur(10px);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(212, 175, 55, 0.25);
}

.card-header {
  position: relative;
  width: 100%;
  height: 135px;
  background: #ffffff;
  overflow: hidden;
}

.card-cover-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}

.product-card:hover .card-cover-image {
  transform: scale(1.05);
}

.card-body {
  padding: 1rem 1.2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background: linear-gradient(to bottom, var(--celtic-dark), var(--celtic-darker));
}

.card-category {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--celtic-gold-light);
  font-weight: 800;
  margin-bottom: 0.2rem;
}

.card-title {
  margin: 0 0 0.1rem 0;
  font-size: 1.25rem;
  font-family: var(--font-title);
  font-weight: 800;
  color: var(--celtic-gold);
}

.card-subtitle {
  margin: 0 0 0.4rem 0;
  font-size: 0.82rem;
  color: var(--parchment-dark);
  font-style: italic;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 0.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.audio-section {
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(212, 175, 55, 0.15);
}

.audio-label {
  display: block;
  font-size: 0.68rem;
  color: var(--parchment);
  margin-bottom: 0.3rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
}

.audio-player {
  width: 100%;
  height: 36px;
  border-radius: 8px;
  outline: none;
}

.card-footer {
  padding: 1rem 1.2rem;
  background: var(--celtic-darker);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  border-top: 1px solid var(--border-glass);
}

.price-tag {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--celtic-gold-light);
  font-family: var(--font-title);
  white-space: nowrap;
}

.stripe-buy-btn {
  background: linear-gradient(135deg, var(--celtic-gold), var(--celtic-gold-light));
  color: var(--celtic-darker);
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  flex-shrink: 0;
}
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.stripe-buy-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(212, 175, 55, 0.5);
  color: #000000;
}

/* --- MODALES Y SECCIÓN CONTACTO --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 21, 11, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: linear-gradient(145deg, var(--celtic-dark), var(--celtic-darker));
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  width: 100%;
  max-width: 500px;
  padding: 2.6rem 2.2rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 35px rgba(212, 175, 55, 0.2);
  color: #ffffff;
}

.close-btn {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: transparent;
  border: none;
  color: #888;
  font-size: 2.2rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.close-btn:hover {
  color: var(--celtic-gold);
}

.modal-header {
  text-align: center;
  margin-bottom: 1.8rem;
}

.modal-header h2 {
  font-size: 1.85rem;
  font-weight: 800;
  margin: 0.4rem 0;
  font-family: var(--font-title);
}

.free-sheet-form, .contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--parchment-dark);
}

.form-group input, .form-group textarea {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  color: #ffffff;
  font-size: 0.95rem;
  outline: none;
  font-family: var(--font-body);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--celtic-gold);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--celtic-gold), var(--celtic-gold-light));
  color: var(--celtic-darker);
  border: none;
  padding: 1rem;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: 1px;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
  color: #000000;
}

.privacy-note {
  font-size: 0.76rem;
  color: #888;
  text-align: center;
}

.success-message {
  text-align: center;
  padding: 1.2rem 0;
}

.check-icon {
  width: 60px;
  height: 60px;
  background: rgba(212, 175, 55, 0.15);
  border: 2px solid var(--celtic-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--celtic-gold);
  margin: 0 auto 1.2rem;
  box-shadow: 0 0 20px var(--celtic-gold-glow);
}

.direct-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--celtic-gold);
  font-size: 0.9rem;
  text-decoration: underline;
}

.download-pack-btn {
  transition: all 0.25s ease;
}

.download-pack-btn:hover {
  background: rgba(212, 175, 55, 0.15) !important;
  border-color: var(--celtic-gold) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

/* --- SECCIÓN DE CONTACTO INLINE --- */
.contact-section {
  padding: 4rem 0 6rem;
}

.contact-card-inline {
  background: linear-gradient(145deg, var(--celtic-dark), var(--celtic-darker));
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 3.5rem 2.5rem;
  max-width: 680px;
  margin: 0 auto;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
}

/* --- FOOTER --- */
.site-footer {
  margin-top: auto;
  background: var(--celtic-darker);
  border-top: 1px solid var(--border-glass);
  padding: 3rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-brand {
  font-family: var(--font-title);
  font-weight: 800;
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.footer-brand span {
  color: var(--celtic-gold);
}

/* --- BOTÓN MENÚ HAMBURGUESA MÓVIL --- */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 6px;
  z-index: 120;
}

.hamburger-bar {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--celtic-gold);
  border-radius: 3px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-btn.active .hamburger-bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .header-inner {
    height: 90px;
    justify-content: space-between;
    gap: 1rem;
  }

  .brand-logo-img {
    height: 70px;
    width: 70px;
  }

  .brand-title {
    font-size: 2.4rem;
  }

  .brand-domain {
    font-size: 0.85rem;
    letter-spacing: 2px;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 90px;
    left: 0;
    width: 100%;
    background: rgba(7, 21, 11, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    gap: 1.8rem;
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
    z-index: 99;
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav .nav-link {
    font-size: 1.4rem;
    width: 100%;
    text-align: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.12);
  }
}

@media (max-width: 600px) {
  .header-inner {
    height: 80px;
  }

  .brand-wrapper {
    gap: 0.8rem;
  }

  .brand-logo-img {
    height: 52px;
    width: 52px;
  }

  .brand-title {
    font-size: 1.8rem;
  }

  .brand-domain {
    font-size: 0.68rem;
    letter-spacing: 1.5px;
  }

  .hero h1 { font-size: 2.1rem; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .cta-group { flex-direction: column; align-items: center; }
  .btn-brand-primary, .btn-brand-gold { width: 100%; max-width: 100%; text-align: center; }
  .catalog-grid { grid-template-columns: 1fr; }
  .contact-card-inline { padding: 2rem 1.2rem; }
}

/* --- VISTA PREVIA Y ZOOM DE PARTITURAS (1-CLIC) --- */
.zoomable-score {
  position: relative;
  cursor: pointer;
  overflow: hidden;
}

.score-sample-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(7, 21, 11, 0.9);
  border: 1px solid var(--celtic-gold);
  color: var(--celtic-gold-light);
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 12px;
  backdrop-filter: blur(8px);
  z-index: 5;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.card-zoom-hint {
  position: absolute;
  inset: 0;
  background: rgba(7, 21, 11, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 4;
}

.card-zoom-hint span {
  background: var(--celtic-gold);
  color: var(--celtic-darker);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  transform: translateY(10px);
  transition: transform 0.3s ease;
}

.zoomable-score:hover .card-zoom-hint {
  opacity: 1;
}

.zoomable-score:hover .card-zoom-hint span {
  transform: translateY(0);
}

/* --- MODAL LIGHTBOX VISOR DE PARTITURA --- */
.score-lightbox-card {
  max-width: 900px;
  width: 95%;
  background: var(--celtic-darker);
  border: 1px solid var(--celtic-gold);
  box-shadow: 0 0 50px rgba(212, 175, 55, 0.35);
  padding: 2rem;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.score-lightbox-header {
  margin-bottom: 1rem;
  text-align: center;
}

.score-lightbox-header h3 {
  font-family: var(--font-title);
  color: var(--celtic-gold);
  font-size: 1.5rem;
  margin-bottom: 0.2rem;
}

.score-lightbox-sub {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.score-lightbox-body {
  overflow-y: auto;
  text-align: center;
  max-height: 70vh;
  border-radius: 8px;
  border: 1px solid rgba(212, 175, 55, 0.2);
  background: #ffffff;
  padding: 1rem;
}

.score-lightbox-img {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}