/* ==========================================================================
   REINVADE MUEBLES - Advanced Design System & Style Definitions
   Aesthetics: Avant-Garde Architectural Wood & Metal Furniture
   ========================================================================== */

:root {
  /* Color Palette */
  --color-ebony: #0B0F17;
  --color-ebony-light: #111827;
  --color-ebony-card: #1A2234;
  --color-amber: #D97706;
  --color-amber-hover: #B45309;
  --color-amber-glow: rgba(217, 119, 6, 0.2);
  --color-sand: #F5EBE0;
  --color-sand-muted: #E6D8C8;
  --color-chalk: #F8FAFC;
  --color-text-muted: #94A3B8;
  --color-border: rgba(245, 235, 224, 0.12);
  --color-border-bright: rgba(217, 119, 6, 0.3);

  /* Typography */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions & Animation */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows & Glassmorphic Effects */
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(217, 119, 6, 0.25);
  --glass-bg: rgba(17, 24, 39, 0.75);
  --glass-border: rgba(245, 235, 224, 0.08);
  --backdrop-blur: blur(16px);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-ebony);
  color: var(--color-chalk);
  font-family: var(--font-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-ebony);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-chalk);
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 7rem 0;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-sand) 0%, var(--color-amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all var(--transition-smooth);
  background: transparent;
}

.navbar.scrolled {
  padding: 1rem 0;
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-primary);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-sand);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-amber) 0%, #78350F 100%);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-sand-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-amber);
  transition: width var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-sand);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-sand);
  font-size: 1.75rem;
  cursor: pointer;
}

/* Buttons & Interactive Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-amber);
  color: var(--color-ebony);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--color-amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(217, 119, 6, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-sand);
  border-color: var(--color-border-bright);
}

.btn-outline:hover {
  background: rgba(245, 235, 224, 0.05);
  border-color: var(--color-amber);
  transform: translateY(-2px);
}

/* Scroll Reveal Animation Framework */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Footer Section */
.footer {
  background: var(--color-ebony-light);
  border-top: 1px solid var(--color-border);
  padding: 5rem 0 2rem 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  margin-top: 1.2rem;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-heading {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-sand);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* GDPR Cookie Banner */
.gdpr-banner {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(150%);
  width: calc(100% - 4rem);
  max-width: 900px;
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--color-border-bright);
  box-shadow: var(--shadow-lg);
  border-radius: 12px;
  padding: 1.75rem 2rem;
  z-index: 9999;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.gdpr-banner.show {
  transform: translateX(-50%) translateY(0);
}

.gdpr-content h4 {
  color: var(--color-amber);
  margin-bottom: 0.3rem;
  font-size: 1.1rem;
}

.gdpr-content p {
  color: var(--color-sand-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.gdpr-actions {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.gdpr-btn {
  padding: 0.7rem 1.4rem;
  font-size: 0.82rem;
}

/* Form Styles & Floating Labels */
.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-control {
  width: 100%;
  padding: 1.2rem 1rem 0.5rem 1rem;
  background: var(--color-ebony-card);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-chalk);
  font-size: 1rem;
  font-family: var(--font-secondary);
  outline: none;
  transition: border-color var(--transition-fast);
}

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

.form-label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.form-control:focus ~ .form-label,
.form-control:not(:placeholder-shown) ~ .form-label {
  top: 0.35rem;
  font-size: 0.75rem;
  color: var(--color-amber);
}

/* Category Filter Tabs (Products Page) */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--color-ebony-card);
  color: var(--color-sand-muted);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  font-family: var(--font-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-amber);
  color: var(--color-ebony);
  border-color: var(--color-amber);
  box-shadow: var(--shadow-glow);
}

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

.product-card {
  background: var(--color-ebony-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-border-bright);
  box-shadow: var(--shadow-lg);
}

.product-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.product-info {
  padding: 1.75rem;
}

.product-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-amber);
  font-weight: 700;
}

.product-title {
  font-size: 1.25rem;
  margin: 0.4rem 0 0.8rem 0;
  color: var(--color-sand);
}

.product-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-chalk);
}

/* Legal Pages Styling */
.legal-content {
  background: var(--color-ebony-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 4rem;
  margin-top: 2rem;
  margin-bottom: 5rem;
}

.legal-content h2 {
  color: var(--color-amber);
  margin: 2.5rem 0 1rem 0;
  font-size: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.legal-content h3 {
  color: var(--color-sand);
  margin: 1.5rem 0 0.75rem 0;
  font-size: 1.15rem;
}

.legal-content p, .legal-content ul {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.legal-content ul {
  padding-left: 1.5rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
}

.consent-box {
  background: rgba(217, 119, 6, 0.08);
  border: 1px solid var(--color-border-bright);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.consent-box code {
  font-family: monospace;
  background: var(--color-ebony);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--color-amber);
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-ebony-card);
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    transition: right var(--transition-smooth);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    right: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .gdpr-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
  }

  .gdpr-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .legal-content {
    padding: 2rem;
  }
}