:root {
  --base-bg: #0d0c0b;
  --glass-bg: rgba(26, 24, 23, 0.7);
  --glass-border: rgba(217, 119, 6, 0.15);
  --glass-shadow: 0 16px 48px 0 rgba(0, 0, 0, 0.6);
  --primary-accent: #f59e0b;
  --primary-glow: rgba(217, 119, 6, 0.25);
  --secondary-accent: #10b981;
  --frame-accent: #fafaf9;
  --text-primary: #f5f5f4;
  --text-secondary: #a8a29e;
  --text-muted: #78716c;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--base-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* Warm Amber/Charcoal Isometric Grid background texture */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80' id='stacksort-charcoal-warm-isometric-grid'><path d='M 80 0 L 0 0 0 80' fill='none' stroke='rgba(217, 119, 6, 0.02)' stroke-width='1'/></svg>");
}

/* Force inline SVGs to adapt to the new warm design scheme dynamically */
.logo-icon rect, svg rect[fill='#1e293b'] {
  fill: #44403c !important;
}
.logo-icon circle, svg circle[fill='#10b981'], svg rect[stroke='#10b981'] {
  fill: var(--primary-accent) !important;
  stroke: var(--primary-accent) !important;
}
svg *[stroke='#10b981'] {
  stroke: var(--primary-accent) !important;
}
svg path[fill='#6366f1'], svg stroke[stroke='#6366f1'], svg rect[stroke='#6366f1'] {
  fill: var(--secondary-accent) !important;
  stroke: var(--secondary-accent) !important;
}
svg text {
  fill: var(--text-secondary) !important;
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 16px;
}

.glass-card {
  background: rgba(38, 35, 34, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
  border-radius: 14px;
  transition: var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-6px);
  background: rgba(46, 42, 40, 0.7);
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 20px 40px 0 rgba(245, 158, 11, 0.15);
}

/* Base Layout & Wrapper */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  background: rgba(13, 12, 11, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  color: var(--frame-accent);
  font-size: 1.35rem;
  letter-spacing: -0.75px;
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.nav-menu {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  padding: 6px 0;
}

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

.nav-link.active {
  border-bottom: 2px solid var(--primary-accent);
}

.nav-cta {
  background: linear-gradient(135deg, var(--primary-accent) 0%, #d97706 100%);
  color: #0d0c0b;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 14px var(--primary-glow);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
  background: linear-gradient(135deg, #fbbf24 0%, var(--primary-accent) 100%);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--frame-accent);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Footer Styling */
footer {
  background: #090807;
  color: #f5f5f4;
  padding: 80px 0 40px 0;
  margin-top: 100px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.75px;
  color: var(--frame-accent);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 24px;
  line-height: 1.6;
}

.footer-address {
  font-style: normal;
  color: #e7e5e4;
  font-size: 0.9rem;
  line-height: 1.7;
}

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

.footer-address a:hover {
  color: var(--primary-accent);
  text-decoration: underline;
}

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--frame-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-links ul li a:hover {
  color: var(--primary-accent);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Button & UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-accent) 0%, #d97706 100%);
  color: #0d0c0b;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #fbbf24 0%, var(--primary-accent) 100%);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--frame-accent);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-accent);
  color: #ffffff;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.1);
  color: var(--primary-accent);
  border: 1px solid rgba(245, 158, 11, 0.2);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Cookie Consent */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 650px;
  margin: 0 auto;
  z-index: 9999;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: translateY(150%);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  border-color: rgba(245, 158, 11, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
}

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

.cookie-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
}

/* Notification Drawer */
.drawer {
  position: fixed;
  top: 0;
  right: -420px;
  width: 100%;
  max-width: 400px;
  height: 100%;
  z-index: 1001;
  background: rgba(13, 12, 11, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.6);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 40px 28px;
  display: flex;
  flex-direction: column;
}

.drawer.open {
  right: 0;
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.drawer-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 2rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.drawer-close:hover {
  color: var(--primary-accent);
}

/* Modal Success Notification */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1002;
  background: rgba(8, 7, 6, 0.85);
  backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  max-width: 480px;
  width: 100%;
  padding: 40px;
  text-align: center;
  border-color: rgba(245, 158, 11, 0.3);
}

/* SVG Rendering Base styles */
.rendering-box {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, #1c1a17 0%, #2e2b28 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  margin-bottom: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.rendering-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Image Illustration Schematic Hover Style */
.schematic-blueprint-image {
  transition: var(--transition-smooth);
}

.schematic-blueprint-image:hover {
  transform: scale(1.03);
  border-color: var(--primary-accent) !important;
  box-shadow: 0 15px 35px rgba(245, 158, 11, 0.15) !important;
}

/* Hero & General Sections */
.hero {
  padding: 100px 0 120px 0;
  text-align: center;
  /* Warm Charcoal Hero Grid background texture */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60' id='stacksort-charcoal-hero-grid'><path d='M 60 0 L 0 0 0 60' fill='none' stroke='rgba(217, 119, 6, 0.025)' stroke-width='1'/></svg>");
}

.hero-tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--primary-accent);
  margin-bottom: 20px;
  display: inline-block;
}

.hero h1 {
  font-size: 3.75rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -1.75px;
  color: var(--frame-accent);
  max-width: 950px;
  margin: 0 auto 28px auto;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 40px auto;
}

.hero-ctas {
  display: flex;
  gap: 18px;
  justify-content: center;
}

/* Info Grids */
.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--frame-accent);
  text-align: center;
  margin-bottom: 18px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 56px auto;
  font-size: 1.1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

/* Feature Cards & Grid Elements */
.feature-card {
  padding: 36px;
  text-align: left;
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-accent);
  color: #0d0c0b;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 26px;
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--frame-accent);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Product Card Styling */
.product-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.product-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-specs {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 12px 0;
  margin: 16px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.product-price {
  font-weight: 800;
  color: var(--primary-accent);
  font-size: 1.25rem;
}

.product-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--frame-accent);
}

.product-card p.description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 10px;
  margin-top: auto;
}

/* Responsive Overrides */
@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: rgba(13, 12, 11, 0.98);
    backdrop-filter: blur(16px);
    padding: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
  }
  .nav-menu.mobile-open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .nav-cta {
    display: none;
  }
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}