/* =========================================
   1. VARIABLES Y RESETEO
   ========================================= */
:root {
  --color-obsidiana: #1A1A1E;
  --color-verde: #4CAF50;
  --color-cempasuchil: #F2A93B;
  --color-rosa: #E4007C;
  --color-papel: #F7F3EE;
  --font-main: 'Montserrat', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--font-main); scroll-behavior: smooth; }
html, body { width: 100%; min-height: 100vh; background-color: var(--color-obsidiana); color: var(--color-papel); overflow-x: hidden; }

/* =========================================
   2. CAPAS DE FONDO
   ========================================= */
.bg-layer { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.bg-image { position: absolute; width: 100%; height: 100%; background-image: url('img/UniversoImpresion01.jpg'); background-size: cover; background-position: center; opacity: 0.4; }
.bg-overlay { position: absolute; width: 100%; height: 100%; background: radial-gradient(circle, rgba(26,26,30,0.85) 0%, rgba(26,26,30,1) 100%); }
#particles { position: absolute; width: 100%; height: 100%; pointer-events: none; }

.content-layer { position: relative; z-index: 10; width: 100%; }

/* =========================================
   3. HEADER
   ========================================= */
.header { position: sticky; top: 0; width: 100%; padding: 20px 40px; display: flex; justify-content: space-between; align-items: center; background: rgba(26, 26, 30, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.05); }
.logo-img { height: 35px; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3)); z-index: 20; }
.menu-toggle { display: none; font-size: 26px; cursor: pointer; color: var(--color-papel); z-index: 20; }
.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a { color: var(--color-papel); text-decoration: none; font-weight: 500; font-size: 14px; transition: 0.3s; }
.nav-links a:hover { color: var(--color-verde); }
.btn-nav { background: var(--color-rosa); padding: 8px 20px; border-radius: 50px; font-weight: 700; color: #fff !important; }
.btn-nav:hover { background: #c20069; }

/* =========================================
   4. SECCIONES GENERALES
   ========================================= */
.section-container { max-width: 1100px; margin: 0 auto; padding: 80px 30px; }
.section-title { text-align: center; font-size: 36px; font-weight: 900; margin-bottom: 10px; line-height: 1.2; }
.section-title span { color: var(--color-verde); }
.section-subtitle { text-align: center; color: rgba(255,255,255,0.8); max-width: 750px; margin: 0 auto 50px; line-height: 1.6; font-size: 16px; }

/* INICIO / HERO */
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; min-height: 75vh; }
.badge-alert { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; font-size: 11px; font-weight: 700; text-transform: uppercase; color: var(--color-verde); border: 1px solid var(--color-verde); border-radius: 50px; margin-bottom: 25px; background: rgba(76, 175, 80, 0.05); }
.main-title { font-size: 48px; font-weight: 900; line-height: 1.2; margin-bottom: 20px; }
.gradient-text { background: linear-gradient(135deg, var(--color-verde) 0%, var(--color-cempasuchil) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.paragraph-hero { font-size: 18px; line-height: 1.6; color: rgba(247, 243, 238, 0.9); margin-bottom: 30px; }
.hero-buttons { display: flex; gap: 15px; }
.btn-primary { display: inline-block; padding: 15px 35px; background: var(--color-verde); color: #000; font-weight: 800; font-size: 15px; text-decoration: none; border-radius: 50px; transition: 0.3s; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(76, 175, 80, 0.3); }
.btn-secondary { display: inline-block; padding: 15px 35px; background: transparent; color: var(--color-papel); font-weight: 800; font-size: 15px; text-decoration: none; border-radius: 50px; border: 2px solid var(--color-verde); transition: 0.3s; }
.btn-secondary:hover { background: rgba(76, 175, 80, 0.1); }

.mascota-wrapper { position: relative; max-width: 400px; margin: 0 auto; }
.aura-glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 80%; height: 80%; background: radial-gradient(circle, rgba(76, 175, 80, 0.2) 0%, transparent 70%); border-radius: 50%; filter: blur(20px); z-index: 1; }
.mascota-img { width: 100%; height: auto; position: relative; z-index: 2; animation: floatEffect 4s ease-in-out infinite; }
.mascota-decorativa { width: 140px; display: block; margin: 30px auto 0; opacity: 0.9; animation: floatEffect 5s ease-in-out infinite; }

/* QUIÉNES SOMOS */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 40px; max-width: 800px; margin: 0 auto; }
.about-text p { font-size: 16px; line-height: 1.8; color: rgba(255,255,255,0.85); margin-bottom: 20px; }
.nopalito-bio { background: rgba(76,175,80,0.1); border-left: 4px solid var(--color-verde); padding: 20px; margin-top: 30px; border-radius: 0 10px 10px 0; color: rgba(255,255,255,0.9); line-height: 1.6; }
.nopalito-bio strong { color: var(--color-cempasuchil); font-size: 18px; display: block; margin-bottom: 5px; }

/* SERVICIOS */
.services-list { display: flex; flex-direction: column; gap: 15px; max-width: 700px; margin: 0 auto; }
.service-list-item { background: rgba(255,255,255,0.05); padding: 18px 25px; border-radius: 12px; display: flex; align-items: center; gap: 15px; font-size: 16px; font-weight: 500; border: 1px solid rgba(255,255,255,0.03); }
.service-list-item i { color: var(--color-verde); font-size: 20px; }

/* PROCESO */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.step-card { text-align: center; padding: 20px; }
.step-number { width: 60px; height: 60px; background: rgba(228, 0, 124, 0.1); color: var(--color-rosa); font-size: 24px; font-weight: 900; border-radius: 50%; display: flex; justify-content: center; align-items: center; margin: 0 auto 20px; border: 2px solid var(--color-rosa); }
.step-title { font-size: 18px; font-weight: 700; margin-bottom: 15px; }
.step-card p { color: rgba(255,255,255,0.7); font-size: 15px; line-height: 1.6; }

/* =========================================
   5. GALERÍA CON TARJETAS
   ========================================= */
.filter-buttons { display: flex; justify-content: center; gap: 15px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn { background: transparent; border: 2px solid var(--color-verde); color: var(--color-papel); padding: 10px 25px; border-radius: 50px; cursor: pointer; font-weight: 700; transition: 0.3s; font-size: 14px; }
.filter-btn.active, .filter-btn:hover { background: var(--color-verde); color: #000; }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; }
.gallery-item { background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.05); border-radius: 15px; padding: 20px; display: flex; flex-direction: column; gap: 15px; }
.gallery-item.hide { display: none; }

.card-header { display: flex; flex-direction: column; gap: 8px; }
.card-title { font-size: 22px; font-weight: 700; color: var(--color-papel); line-height: 1.2; }
.card-desc { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.5; margin-bottom: 10px; }
.card-meta { display: flex; justify-content: space-between; align-items: center; }

.card-cat { padding: 4px 12px; border-radius: 5px; font-size: 11px; font-weight: 800; text-transform: uppercase; color: #fff; letter-spacing: 0.5px; }
.cat-personalizado { background-color: #4CAF50; }
.cat-coleccion { background-color: #E4007C; }
.card-price { font-size: 18px; font-weight: 800; color: var(--color-cempasuchil); }

/* Proporción 1:1 Cuadrada */
.card-carousel { position: relative; width: 100%; aspect-ratio: 1 / 1; border-radius: 10px; overflow: hidden; background: #000; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(26, 26, 30, 0.8); color: #fff; border: 1px solid rgba(255,255,255,0.2); width: 35px; height: 35px; border-radius: 50%; cursor: pointer; z-index: 20; display: flex; align-items: center; justify-content: center; transition: 0.3s; pointer-events: auto; }
.carousel-btn:hover { background: var(--color-verde); color: #000; border-color: var(--color-verde); }
.prev-btn { left: 10px; }
.next-btn { right: 10px; }

/* El truco del !important para asegurar los clicks en la foto */
.carousel-images { width: 100%; height: 100%; position: relative; z-index: 1; }
.carousel-images img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.4s ease; pointer-events: none !important; }
.carousel-images img.active { opacity: 1; z-index: 10; pointer-events: auto !important; cursor: zoom-in !important; }

/* =========================================
   6. CONTACTO Y FORMULARIO
   ========================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 25px; padding-top: 20px; }
.btn-whatsapp { display: inline-flex; align-items: center; gap: 10px; background: #25D366; color: #fff; padding: 15px 25px; border-radius: 50px; text-decoration: none; font-weight: 700; width: fit-content; transition: 0.3s; }
.btn-whatsapp:hover { background: #1ebe57; transform: translateY(-3px); }
.location-box { display: flex; align-items: center; gap: 10px; font-size: 16px; color: rgba(255,255,255,0.8); }
.location-box i { color: var(--color-rosa); font-size: 20px; }

/* Botones de Pago Mercado Pago */
.payment-buttons { margin-top: 15px; display: flex; flex-direction: column; gap: 12px; }
.btn-pay { display: inline-flex; align-items: center; justify-content: center; gap: 10px; color: #fff; padding: 14px 20px; border-radius: 10px; text-decoration: none; font-weight: 700; transition: 0.3s; width: fit-content; min-width: 250px; font-size: 15px; }
.btn-pay i { font-size: 18px; }
.btn-pay-personalizado { background: var(--color-verde); color: #000; }
.btn-pay-personalizado:hover { background: #3d8c40; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3); }
.btn-pay-coleccion { background: var(--color-rosa); }
.btn-pay-coleccion:hover { background: #b30062; transform: translateY(-3px); box-shadow: 0 5px 15px rgba(228, 0, 124, 0.3); }


.form-section { background: rgba(255, 255, 255, 0.03); padding: 40px; border-radius: 20px; border: 1px solid rgba(255, 255, 255, 0.05); width: 100%; }
.form-input { width: 100%; padding: 15px; margin-bottom: 15px; background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.1); border-radius: 10px; color: #fff; font-size: 15px; }
.form-input:focus { outline: none; border-color: var(--color-verde); }
.form-hint { font-size: 13px; color: rgba(255,255,255,0.5); text-align: center; margin-bottom: 15px; line-height: 1.5; }
.file-upload-wrapper { border: 2px dashed var(--color-verde); border-radius: 15px; padding: 30px; text-align: center; margin-bottom: 25px; background: rgba(76, 175, 80, 0.03); cursor: pointer; transition: 0.3s; }
.file-upload-wrapper:hover { background: rgba(76, 175, 80, 0.08); }
.file-upload-label { color: var(--color-verde); font-weight: 700; font-size: 15px; cursor: pointer; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.file-count-msg { display: block; font-size: 14px; color: var(--color-papel); margin-top: 15px; font-weight: 500; }
.btn-submit { width: 100%; padding: 18px; background: var(--color-verde); color: #000; font-weight: 800; font-size: 16px; border: none; border-radius: 50px; cursor: pointer; transition: 0.3s; }
.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(76, 175, 80, 0.3); }

/* =========================================
   7. FOOTER, WHATSAPP Y TOAST
   ========================================= */
.social-banner { padding: 30px 40px; display: flex; justify-content: space-between; align-items: center; background: rgba(0,0,0,0.5); border-top: 1px solid rgba(255,255,255,0.05); }
.footer-credits { font-size: 13px; color: rgba(255,255,255,0.4); }
.social-links { display: flex; gap: 20px; }
.social-links a { color: #fff; font-size: 22px; transition: 0.3s; }
.social-links a:hover { color: var(--color-cempasuchil); }

.floating-wa { position: fixed; bottom: 30px; right: 30px; background: #25D366; color: white; width: 65px; height: 65px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 38px; box-shadow: 0 10px 25px rgba(0,0,0,0.4); z-index: 1000; transition: 0.3s; text-decoration: none; }
.floating-wa:hover { transform: translateY(-5px); background: #1ebe57; }

.toast { position: fixed; bottom: -100px; left: 50%; transform: translateX(-50%); background-color: var(--color-verde); color: var(--color-obsidiana); padding: 14px 28px; border-radius: 50px; display: flex; align-items: center; gap: 12px; font-weight: 800; box-shadow: 0 10px 30px rgba(0,0,0,0.5); transition: bottom 0.5s; z-index: 1000; }
.toast.show { bottom: 40px; }

/* LIGHTBOX DE GALERÍA */
.lightbox { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.92); z-index: 9999; display: flex; justify-content: center; align-items: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; backdrop-filter: blur(5px); }
.lightbox.active { opacity: 1; pointer-events: auto; }
.lightbox-close { position: absolute; top: 25px; right: 35px; color: #fff; font-size: 35px; cursor: pointer; transition: 0.3s; z-index: 10000; }
.lightbox-close:hover { color: var(--color-cempasuchil); transform: scale(1.1); }
.lightbox-content { position: relative; max-width: 90%; max-height: 90%; display: flex; align-items: center; justify-content: center; }
#lightbox-img { max-width: 100%; max-height: 85vh; border-radius: 10px; box-shadow: 0 10px 40px rgba(0,0,0,0.8); object-fit: contain; }
.lightbox-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(26, 26, 30, 0.8); color: #fff; border: 1px solid rgba(255,255,255,0.2); width: 55px; height: 55px; border-radius: 50%; cursor: pointer; z-index: 10; display: flex; align-items: center; justify-content: center; font-size: 22px; transition: 0.3s; }
.lightbox-btn:hover { background: var(--color-verde); color: #000; border-color: var(--color-verde); }
.lightbox-prev { left: -75px; }
.lightbox-next { right: -75px; }

@keyframes floatEffect { 0% { transform: translateY(0); } 50% { transform: translateY(-12px); } 100% { transform: translateY(0); } }

/* =========================================
   8. RESPONSIVO MÓVIL
   ========================================= */
@media (max-width: 900px) {
  .header { padding: 15px 25px; }
  .menu-toggle { display: block; }
  .nav-links { display: none; flex-direction: column; width: 100%; position: absolute; top: 100%; left: 0; background: rgba(26,26,30,0.98); padding: 20px; border-top: 1px solid rgba(255,255,255,0.05); }
  .nav-links.active { display: flex; }
  
  .hero-grid, .steps-grid, .contact-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-grid { display: flex; flex-direction: column-reverse; }
  .hero-buttons { flex-direction: column; }
  .main-title { font-size: 38px; }
  .btn-whatsapp { width: 100%; justify-content: center; }
  .location-box { justify-content: center; }
  .social-banner { flex-direction: column; gap: 20px; text-align: center; }
  .floating-wa { bottom: 20px; right: 20px; width: 55px; height: 55px; font-size: 32px; }
  
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  .lightbox-close { top: 15px; right: 20px; font-size: 30px; }
}