/* ==========================================================================
   SlikWeb UI Components & Modules
   Strict Monochrome Design (Vercel, Linear, Stripe, Apple inspired)
   ========================================================================== */

/* 1. FLOATING STICKY NAVBAR */
.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 24px;
  pointer-events: none;
  transition: padding var(--transition-normal);
}

.navbar-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 10px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: auto;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-normal), background var(--transition-normal);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.brand-logo-img {
  height: 24px;
  width: auto;
  display: block;
}

[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark { display: block; }
[data-theme="light"] .logo-dark { display: none; }
[data-theme="light"] .logo-light { display: block; }

.nav-links-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  background: transparent;
  border: none;
  cursor: pointer;
  outline: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover, .nav-item:hover > .nav-link, .nav-item.open > .nav-link, .nav-link.active {
  color: var(--text-primary);
  background: var(--surface-secondary);
}

.nav-link-arrow {
  opacity: 0.6;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link-arrow,
.nav-item.open .nav-link-arrow {
  transform: rotate(180deg);
}

/* Mega Menu & Dropdowns */
.mega-menu-wrapper {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 780px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 160ms cubic-bezier(0.16, 1, 0.3, 1), transform 160ms cubic-bezier(0.16, 1, 0.3, 1), visibility 160ms;
  z-index: 1001;
}

/* Invisible hover bridge to prevent dropdown from disappearing on cursor transition */
.mega-menu-wrapper::before,
.dropdown-simple-wrapper::before {
  content: '';
  position: absolute;
  top: -18px;
  left: 0;
  right: 0;
  height: 22px;
  background: transparent;
}

.dropdown-simple-wrapper {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 320px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 160ms cubic-bezier(0.16, 1, 0.3, 1), transform 160ms cubic-bezier(0.16, 1, 0.3, 1), visibility 160ms;
  z-index: 1001;
}

.nav-item:hover .mega-menu-wrapper,
.nav-item.open .mega-menu-wrapper,
.nav-item:hover .dropdown-simple-wrapper,
.nav-item.open .dropdown-simple-wrapper {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mega-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-left: 8px;
}

.mega-menu-item {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.mega-menu-item:hover {
  background: var(--surface-secondary);
}

.mega-item-title {
  font-size: 14px;
  font-weight: 550;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.mega-item-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.currency-toggle {
  display: inline-flex;
  background: var(--surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 2px;
}

.currency-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.currency-btn.active {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.theme-toggle-btn {
  background: var(--surface-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

/* 2. HERO COMPONENT */
.hero-section {
  padding-top: 170px;
  padding-bottom: 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-badge-container {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

/* 3. HERO 3D COMPUTE CUBE VISUAL (SPLINE & THREE.JS ENGINE) */
.hero-cube-visual-wrapper {
  position: relative;
  max-width: 1040px;
  width: 100%;
  height: 480px;
  margin: 36px auto 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.06), transparent 65%);
  border-radius: var(--radius-xl);
  overflow: visible;
}

[data-theme="light"] .hero-cube-visual-wrapper {
  background: radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.04), transparent 65%);
}

.hero-cube-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

.hero-cube-canvas:active {
  cursor: grabbing;
}

/* 4. MODULAR PRODUCT CARDS (4 PRIMARY) */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}

.product-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.product-card-badge {
  position: absolute;
  top: 24px;
  right: 24px;
}

.product-card-title {
  font-size: 26px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.025em;
}

.product-card-desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}

.product-card-price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.price-val {
  font-size: 38px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.04em;
}

.price-unit {
  font-size: 14px;
  color: var(--text-muted);
}

.product-card-specs {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-spec-item {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.spec-check-icon {
  width: 16px;
  height: 16px;
  color: var(--text-primary);
  flex-shrink: 0;
}

/* 5. TRUST STRIP */
.tech-strip-wrapper {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.tech-strip-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.tech-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* 6. COMPARISON TABLES */
.comparison-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  margin-top: 32px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.comparison-table th {
  padding: 16px 20px;
  background: var(--surface-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table tr:hover td {
  background: var(--surface-secondary);
  color: var(--text-primary);
}

/* 7. ACCORDION (FAQ) */
.accordion-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 840px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-item.active {
  border-color: var(--text-muted);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 550;
  letter-spacing: -0.015em;
  text-align: left;
  cursor: pointer;
}

.accordion-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
  color: var(--text-primary);
}

.accordion-content {
  display: none;
  padding: 0 24px 22px 24px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.accordion-item.active .accordion-content {
  display: block;
}

/* 8. CTA BANNER */
.cta-banner-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 72px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner-title {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 16px;
  letter-spacing: -0.035em;
}

.cta-banner-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 32px auto;
}

.cta-banner-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* 9. SITE FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding-top: 80px;
  padding-bottom: 40px;
  margin-top: auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr repeat(5, 1fr);
  gap: 36px;
  margin-bottom: 60px;
}

.footer-brand-col {
  padding-right: 24px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 12px;
  max-width: 260px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-bottom-bar {
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* 7. INTERACTIVE SERVER CONFIGURATOR */
.configurator-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-card);
  margin: 32px 0;
}

.configurator-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.configurator-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.config-control-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.config-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.config-label {
  font-size: 14px;
  font-weight: 550;
  color: var(--text-primary);
}

.config-value-badge {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--surface-secondary);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.config-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.config-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--btn-primary-bg);
  border: 2px solid var(--background);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.config-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.config-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--btn-primary-bg);
  border: 2px solid var(--background);
  cursor: pointer;
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  padding: 0 2px;
}

.config-summary-box {
  background: var(--surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.config-spec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.config-spec-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.config-spec-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.config-spec-item strong {
  color: var(--text-primary);
  font-weight: 550;
}

/* 8. FEATURE & STAT CARDS */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
}

.stat-number {
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* Mobile Drawer */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}

.mobile-drawer {
  position: fixed;
  inset: 0;
  background: var(--background);
  z-index: 9999;
  padding: 100px 24px 40px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.mobile-drawer.open {
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .nav-links-wrapper { display: none; }
  .mobile-menu-toggle { display: flex; align-items: center; justify-content: center; }
  .configurator-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .navbar-wrapper {
    padding: 8px 12px;
  }
  .navbar-container {
    padding: 6px 12px;
  }
  .nav-actions .btn {
    display: none;
  }
  .nav-actions {
    gap: 6px;
  }
  .hero-cube-visual-wrapper {
    height: 280px;
    margin-top: 24px;
  }
  .configurator-wrapper {
    padding: 24px 16px;
  }
  .config-summary-box {
    padding: 20px 16px;
  }
  .product-card {
    padding: 28px 20px;
  }
  .tech-strip-grid {
    justify-content: center;
    gap: 16px;
  }
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 16px;
  }
  .footer-brand-col {
    grid-column: span 2;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 34px !important;
  }
  .hero-subtitle {
    font-size: 15px !important;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand-col {
    grid-column: span 1;
  }
}