:root {
  --color-primary: #043927; /* Emerald Green */
  --color-dark: #1A1A1A; /* Basalt Black */
  --color-accent: #C86A4B; /* Terracotta Clay */
  --color-secondary: #708D81; /* Agave Teal-Gray */
  --color-light: #F9F6F0; /* Ivory Sand */
  --color-border: #E0DCD3;
  --color-error: #B00020;

  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  --transition-smooth: all 0.4s ease;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-light);
  color: var(--color-dark);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
  margin-bottom: var(--spacing-sm);
}

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

a:hover {
  color: var(--color-primary);
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-lg) 0;
}

.section-dark {
  background-color: var(--color-primary);
  color: var(--color-light);
}

.section-dark h1, .section-dark h2, .section-dark h3 {
  color: var(--color-light);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Typography Utilities */
.text-center { text-align: center; }
.lead { font-size: 1.25rem; font-weight: 300; }
.uppercase { text-transform: uppercase; letter-spacing: 2px; font-size: 0.875rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--color-primary);
  color: var(--color-light);
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
  border-radius: 0; /* Strict requirement: no rounded buttons */
}

.btn:hover {
  background-color: var(--color-dark);
  color: var(--color-light);
}

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

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

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-light);
}

.btn-full {
  width: 100%;
}

/* Multi-page View Visibility */
.view {
  display: block;
  animation: fadeIn 0.5s ease-in-out;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(249, 246, 240, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--spacing-sm);
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
}

.nav-links {
  display: none;
}

@media (min-width: 992px) {
  .nav-links {
    display: flex;
    gap: 2rem;
  }
  
  .nav-links a {
    color: var(--color-dark);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
  }

  .nav-links a:hover, .nav-links a.active-link {
    color: var(--color-accent);
  }
}

.hamburger {
  display: block;
  cursor: pointer;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
}

@media (min-width: 992px) {
  .hamburger {
    display: none;
  }
}

.mobile-menu {
  position: fixed;
  top: 60px;
  left: 0;
  width: 100%;
  height: calc(100vh - 60px);
  background-color: var(--color-light);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  transform: translateX(-100%);
  transition: var(--transition-smooth);
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  display: block;
  cursor: pointer;
}

/* Main Content Offset */
main {
  margin-top: 60px; /* Header height */
  min-height: calc(100vh - 60px - 300px); /* Approx footer */
}

/* Footer */
footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand h3 {
  color: var(--color-light);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--color-secondary);
  font-size: 0.9rem;
  cursor: pointer;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-sm);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-secondary);
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-light);
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 57, 39, 0.4);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-md);
  z-index: 1;
}

.hero h1 {
  color: var(--color-light);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-disclaimer {
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.8;
}

/* Product Section (Home) */
.product-showcase {
  background-color: var(--color-light);
}

.product-card {
  background-color: #fff;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.product-image-placeholder {
  width: 100%;
  aspect-ratio: 1/1;
  background-color: var(--color-border);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  font-size: 0.8rem;
}

.product-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.product-card p {
  color: var(--color-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

/* Mechanism Grid */
.mechanism-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .mechanism-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mechanism-step {
  text-align: center;
  padding: var(--spacing-md);
  border: 1px solid rgba(255,255,255,0.2);
}

.step-number {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* Product Page Matrix */
.product-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

@media (min-width: 992px) {
  .product-matrix {
    grid-template-columns: 1fr 1fr;
    position: relative;
  }
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.main-image {
  width: 100%;
  aspect-ratio: 4/5;
  background-color: var(--color-border);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.thumbnail {
  aspect-ratio: 1/1;
  background-color: var(--color-border);
  cursor: pointer;
  border: 2px solid transparent;
}

.thumbnail.active {
  border-color: var(--color-primary);
}

.product-details h1 {
  margin-bottom: 0.5rem;
}

.product-price {
  font-size: 1.5rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.variant-selector {
  margin-bottom: var(--spacing-md);
}

.variant-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.variant-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.variant-btn {
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.variant-btn:hover {
  border-color: var(--color-primary);
}

.variant-btn.active {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-light);
}

.product-description-block {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

/* Accordion / FAQ */
.accordion {
  border-bottom: 1px solid var(--color-border);
}

.accordion-header {
  width: 100%;
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
  cursor: pointer;
}

.accordion-icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.accordion-header.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-inner {
  padding-bottom: 1.5rem;
  color: var(--color-dark);
}

/* Editorial Story Page */
.editorial-chapter {
  margin-bottom: var(--spacing-xl);
}

.editorial-image-full {
  width: 100%;
  height: 60vh;
  min-height: 400px;
  background-color: var(--color-border);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.editorial-text {
  max-width: 800px;
  margin: 0 auto;
}

.chapter-number {
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.5rem;
  display: block;
}

/* Checkout Page */
.checkout-container {
  max-width: 1000px;
  margin: 0 auto;
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .checkout-grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 1rem;
  background-color: #fff;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-control.error {
  border-color: var(--color-error);
}

.error-msg {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

.checkout-summary {
  background-color: #fff;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.summary-total {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-weight: 700;
  font-size: 1.25rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.3rem;
}

.checkbox-group label {
  font-size: 0.85rem;
}

.payment-placeholder {
  background-color: var(--color-light);
  padding: 1.5rem;
  text-align: center;
  border: 1px dashed var(--color-primary);
  margin-bottom: 1.5rem;
}

/* Legal Pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h2 {
  margin-top: var(--spacing-md);
}

.legal-content ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}

.cookie-banner.show {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .cookie-banner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem var(--spacing-lg);
  }
}

.cookie-text {
  font-size: 0.9rem;
}

.cookie-text a {
  color: var(--color-secondary);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
}

/* Floating Action Button Mobile */
.fab-mobile {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1rem;
  background-color: #fff;
  border-top: 1px solid var(--color-border);
  z-index: 900;
  display: none;
}

@media (max-width: 991px) {
  .view.active[data-view="producto"] ~ .fab-mobile {
    display: block;
  }
}

/* --- ANIMATIONS --- */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.bug-card[data-animate] {
  transition-delay: 0.2s;
}

.bug-card:nth-child(2)[data-animate] {
  transition-delay: 0.4s;
}

.bug-card:nth-child(3)[data-animate] {
  transition-delay: 0.6s;
}

.product-card[data-animate] {
  transition-delay: 0.1s;
}