/* ==========================================================================
   ARBIT Smart Home - Apple-Style Modern Design System
   Ultra-fast, lightweight, pure CSS, no frameworks needed
   ========================================================================== */

:root {
  /* Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #fbfbfd;
  --bg-card: #ffffff;
  --bg-card-hover: #fafafa;
  --bg-blur: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.65);
  
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #86868b;
  --text-inverse: #ffffff;

  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-subtle: #e8f2fe;
  --accent-dark: #004fb0;

  --border-light: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.14);
  --border-card: rgba(0, 0, 0, 0.06);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 20px 48px rgba(0, 0, 0, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Inter, Arial, sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --nav-height: 64px;
  --max-width: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  font-family: var(--font-family);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  max-width: 100%;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
}

.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   Navigation (Apple Floating Glass Style)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(226, 232, 240, 0.95);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img {
  height: 34px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-item a {
  font-size: 0.92rem;
  font-weight: 450;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-item a:hover {
  color: var(--text-primary);
}

.nav-item.active a {
  color: var(--text-primary);
  font-weight: 600;
}

.nav-item.active a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-medium);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.btn-secondary {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: rgba(0, 0, 0, 0.09);
  color: var(--text-primary);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.82rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  font-weight: 600;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  padding: 0;
}

.mobile-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ==========================================================================
   Typography & Sections
   ========================================================================== */
.section {
  padding: 80px 0;
}

.section-hero {
  padding: 40px 0 60px;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.section-title-lg {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.gradient-text {
  background: linear-gradient(135deg, #1d1d1f 20%, #434346 60%, #0071e3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Hero Interactive Slide Banner (Apple Carousel Style)
   ========================================================================== */
.hero-slider-wrap {
  position: relative;
  max-width: 1120px;
  margin: 30px auto 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  background: #ffffff;
}

.hero-slider {
  position: relative;
  width: 100%;
  min-height: 480px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(0.98);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 60px;
  background: #ffffff;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 2;
}

.slide-content {
  flex: 1;
  max-width: 520px;
  z-index: 3;
}

.slide-badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  color: #ffffff;
  margin-bottom: 16px;
}

.slide-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.slide-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.slide-media {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 380px;
  position: relative;
}

.slide-media img {
  max-height: 350px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.08));
  transition: transform var(--transition-medium);
}

.hero-slide:hover .slide-media img {
  transform: scale(1.03);
}

/* Slider Controls */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  z-index: 10;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.slider-arrow:hover {
  background: #ffffff;
  transform: translateY(-50%) scale(1.08);
  box-shadow: var(--shadow-md);
}

.slider-arrow.prev {
  left: 18px;
}

.slider-arrow.next {
  right: 18px;
}

.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.slider-dot {
  width: 28px;
  height: 4px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all var(--transition-medium);
}

.slider-dot.active {
  background: var(--accent);
  width: 44px;
}

/* ==========================================================================
   Trust / Stats Bar
   ========================================================================== */
.trust-bar {
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 30px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
}

.trust-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.trust-icon svg {
  width: 24px;
  height: 24px;
}

.trust-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.trust-text p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Apple-Style Bento Grid (Features & Innovation)
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.bento-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.bento-card-header {
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
}

.bento-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.bento-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.bento-col-8 { grid-column: span 8; }
.bento-col-4 { grid-column: span 4; }
.bento-col-6 { grid-column: span 6; }
.bento-col-12 { grid-column: span 12; }

.bento-media {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: auto;
  min-height: 180px;
  position: relative;
}

.bento-media img {
  max-height: 220px;
  object-fit: contain;
  transition: transform var(--transition-medium);
}

.bento-card:hover .bento-media img {
  transform: scale(1.04);
}

.bento-card-dark {
  background: #161617;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.bento-card-dark .bento-card-title { color: #ffffff; }
.bento-card-dark .bento-card-desc { color: #a1a1a6; }

/* ==========================================================================
   YouTube Video Embed Showcase (Apple Style)
   ========================================================================== */
.video-showcase-section {
  background: var(--bg-secondary);
  padding: 80px 0;
  text-align: center;
}

.video-container-wrap {
  max-width: 960px;
  margin: 36px auto 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--border-light);
  background: #000000;
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
}

.video-container-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================================================
   Ecosystem & Compatibility Section
   ========================================================================== */
.ecosystem-section {
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 70px 0;
  text-align: center;
}

.ecosystem-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.eco-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.eco-pill:hover {
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.eco-pill svg, .eco-pill img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* ==========================================================================
   Product Grid & Catalog (produk.html & Homepage cards)
   ========================================================================== */
.catalog-toolbar {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 20px 24px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.filter-categories {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.filter-categories::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  white-space: nowrap;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.filter-btn:hover {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.06);
}

.filter-btn.active {
  background: var(--text-primary);
  color: #ffffff;
}

.catalog-search-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.search-box input {
  width: 100%;
  padding: 12px 18px 12px 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-medium);
  background: var(--bg-tertiary);
  font-size: 0.92rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--accent);
  background: #ffffff;
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-subtle);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  width: 18px;
  height: 18px;
}

.catalog-stats {
  font-size: 0.88rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  position: relative;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-badge-wrap {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
}

.product-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--border-light);
}

.product-badge.matter {
  background: #f0fdf4;
  color: #166534;
  border-color: #bbf7d0;
}

.product-badge.flagship {
  background: #eff6ff;
  color: var(--accent);
  border-color: #bfdbfe;
}

.product-img-box {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 16px 0 20px;
  position: relative;
}

.product-img-box img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform var(--transition-medium);
}

.product-card:hover .product-img-box img {
  transform: scale(1.05);
}

.product-sku {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.product-name {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.7em;
}

.product-category-tag {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.product-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

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

.product-actions {
  display: flex;
  gap: 8px;
}

/* ==========================================================================
   Product Modal Popup (Detail & Quick Buy)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(0.96) translateY(10px);
  transition: transform var(--transition-medium);
  padding: 36px;
}

.modal-overlay.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
}

.modal-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
}

.modal-img {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}

.modal-img img {
  max-height: 260px;
  object-fit: contain;
}

.modal-info h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
}

.modal-features {
  list-style: none;
  margin-bottom: 24px;
}

.modal-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.modal-features li svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.modal-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Zigbee Educational Page Specific Styles (zigbee.html)
   ========================================================================== */
.zigbee-hero {
  padding: 60px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
}

.zigbee-mesh-graphic {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-card);
  margin: 36px 0;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  margin: 30px 0;
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
}

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

.comparison-table td.highlight {
  font-weight: 600;
  color: var(--accent);
  background: #f8fbff;
}

/* ==========================================================================
   Warranty Page Styling (garansi.html)
   ========================================================================== */
.warranty-banner {
  background: linear-gradient(135deg, #0071e3 0%, #004fb0 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 50px 40px;
  margin-bottom: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: 0 16px 36px rgba(0, 113, 227, 0.25);
}

.warranty-banner-text h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.warranty-banner-text p {
  font-size: 1.05rem;
  opacity: 0.9;
  line-height: 1.6;
}

.warranty-badge-lg {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 24px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  flex-shrink: 0;
}

.warranty-badge-lg .num {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
}

.warranty-badge-lg .label {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 40px 0 60px;
}

.step-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-subtle);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 18px;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.warranty-claim-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 36px;
  align-items: start;
  margin-top: 40px;
  width: 100%;
  box-sizing: border-box;
}

.form-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-md);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-group.full {
  grid-column: span 2;
  min-width: 0;
  width: 100%;
  max-width: 100%;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: var(--bg-tertiary);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

select.form-control {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

textarea.form-control {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  resize: vertical;
}

.form-control:focus {
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 0 0 4px var(--accent-subtle);
  outline: none;
}

/* ==========================================================================
   Partners Page Styling (rekanan.html)
   ========================================================================== */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.partner-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.partner-city {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-subtle);
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  align-self: flex-start;
}

.partner-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.partner-address {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
  flex: 1;
}

.partner-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.partner-phone {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   Footer (Apple-Style Clean Columns)
   ========================================================================== */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  padding: 60px 0 30px;
  margin-top: 80px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand img {
  height: 38px;
  width: auto;
  margin-bottom: 16px;
}

.footer-brand p {
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 20px;
}

.footer-col h5 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

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

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   Mobile & Responsive Adjustments
   ========================================================================== */
@media (max-width: 1024px) {
  .section-title { font-size: 2.4rem; }
  .section-title-lg { font-size: 2.8rem; }
  .bento-col-8, .bento-col-4, .bento-col-6 { grid-column: span 12; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-slide { padding: 40px 30px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-medium);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-toggle {
    display: flex;
  }

  .section-title { font-size: 2rem; }
  .section-title-lg { font-size: 2.2rem; }
  
  /* Hero Slider on Mobile: Image Prominent at Top & Zero Submerging! */
  .hero-slider-wrap {
    margin-top: 16px;
    border-radius: var(--radius-lg);
  }

  .hero-slider {
    min-height: 520px;
    height: auto;
  }

  .hero-slide {
    flex-direction: column !important;
    text-align: center;
    padding: 20px 16px 44px !important;
    height: 100% !important;
    min-height: 520px;
    justify-content: flex-start !important;
    box-sizing: border-box;
  }

  /* Put image prominently at the top on mobile */
  .slide-media {
    order: -1 !important;
    height: 190px !important;
    width: 100% !important;
    margin: 4px 0 12px 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
  }

  .slide-media img {
    max-height: 180px !important;
    max-width: 85% !important;
    object-fit: contain !important;
    filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.1)) !important;
  }

  .slide-content {
    max-width: 100%;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: none;
  }

  .slide-badge {
    margin-bottom: 8px;
    font-size: 0.72rem;
    padding: 4px 12px;
  }

  .slide-title {
    font-size: 1.5rem !important;
    margin-bottom: 6px !important;
    line-height: 1.2 !important;
  }

  .slide-desc {
    font-size: 0.86rem !important;
    line-height: 1.45 !important;
    margin-bottom: 14px !important;
    max-width: 360px !important;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .slide-content > div:last-child {
    display: flex;
    gap: 8px !important;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
  }

  .slide-content .btn-lg {
    padding: 8px 16px !important;
    font-size: 0.82rem !important;
  }

  .slider-arrow {
    width: 34px !important;
    height: 34px !important;
    top: 36% !important; /* aligned with the product photo */
  }

  .slider-prev {
    left: 6px !important;
  }

  .slider-next {
    right: 6px !important;
  }

  .slider-dots {
    bottom: 12px !important;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .trust-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: span 1; }
  .warranty-banner { flex-direction: column; text-align: center; }
  .modal-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  /* Catalog Product Grid on Mobile (2-column e-commerce grid for Samsung S25 Ultra) */
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .product-card {
    min-width: 0;
    padding: 14px 12px;
    border-radius: var(--radius-md);
  }

  .product-img-box {
    height: 120px;
    margin: 4px 0 8px;
  }

  .product-name {
    font-size: 0.82rem;
    height: 2.6em;
    line-height: 1.3;
    margin: 4px 0 6px;
  }

  .product-sku {
    font-size: 0.68rem;
  }

  .product-price {
    font-size: 0.95rem;
  }

  .catalog-toolbar {
    padding: 14px 12px;
    border-radius: var(--radius-lg);
    gap: 12px;
  }

  .catalog-search-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .catalog-search-row .search-box {
    min-width: 100%;
    width: 100%;
  }

  .catalog-search-row > div:last-child {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  #catalog-sort {
    flex: 1;
    max-width: calc(100% - 100px);
  }

  .filter-categories {
    gap: 6px;
    padding-bottom: 4px;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.8rem;
  }

  /* Rekanan / Partners Grid on Mobile */
  .partner-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 20px;
  }

  .partner-card {
    padding: 18px 16px;
    border-radius: var(--radius-md);
  }

  .partner-name {
    font-size: 1.1rem;
  }

  .partner-address {
    font-size: 0.84rem;
  }

  .partner-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 14px;
    padding-top: 12px;
  }

  .partner-footer .btn {
    width: 100%;
    justify-content: center;
  }

  /* Public Product Detail Modal */
  .modal-content {
    padding: 22px 16px;
    width: calc(100% - 20px);
    max-width: calc(100% - 20px);
    border-radius: var(--radius-lg);
    margin: 10px auto;
  }

  .modal-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .modal-media {
    height: 200px;
  }

  .modal-title {
    font-size: 1.25rem;
  }

  .modal-btn-row {
    flex-direction: column;
    gap: 8px;
  }

  .modal-btn-row .btn {
    width: 100%;
    justify-content: center;
  }

  /* Zigbee Comparison Table on Mobile */
  .comparison-table {
    min-width: 540px;
    font-size: 0.82rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
  }

  /* Mobile Navigation Adjustments */
  .nav-btn-desktop {
    display: none !important;
  }

  .mobile-only {
    display: block !important;
  }

  .nav-container {
    padding-left: 16px !important;
    padding-right: 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .nav-logo img {
    height: 28px !important;
    max-width: 105px !important;
  }

  .nav-actions {
    gap: 8px !important;
    display: flex !important;
    align-items: center !important;
  }

  .nav-actions .btn {
    padding: 7px 12px !important;
    font-size: 0.8rem !important;
    white-space: nowrap !important;
  }

  /* Rekanan 3 Bento Cards Grid on Mobile */
  .partner-benefits-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    margin-bottom: 30px !important;
  }

  .bento-card {
    padding: 22px 18px !important;
    border-radius: var(--radius-lg) !important;
  }

  .bento-card h3 {
    font-size: 1.15rem !important;
  }

  .partner-portal-pill {
    border-radius: var(--radius-lg) !important;
    padding: 14px 16px !important;
    flex-direction: column !important;
    text-align: center !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .partner-portal-pill .btn {
    width: 100% !important;
    justify-content: center !important;
  }

  /* Warranty Banner on Mobile */
  .warranty-banner {
    flex-direction: column !important;
    text-align: center !important;
    padding: 32px 20px !important;
    gap: 20px !important;
    margin-bottom: 36px !important;
  }

  .warranty-banner-text h2 {
    font-size: 1.55rem !important;
  }

  /* Form Card & Garansi Claim Layout on Mobile */
  .warranty-claim-layout {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
    margin-top: 24px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .warranty-claim-layout .form-card,
  .warranty-claim-layout .service-center-card {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .form-card {
    padding: 24px 18px !important;
    border-radius: var(--radius-lg) !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .form-card form {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .form-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .form-group,
  .form-group.full {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  .form-control,
  input.form-control,
  select.form-control,
  textarea.form-control {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    font-size: 0.95rem !important;
  }

  /* Form button styling on mobile to prevent overflow */
  .form-card .btn,
  .form-group .btn,
  .form-card button[type="submit"] {
    white-space: normal !important;
    word-break: break-word !important;
    text-align: center !important;
    line-height: 1.35 !important;
    padding: 14px 16px !important;
    font-size: 0.95rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .form-card h3 {
    font-size: 1.3rem !important;
  }

  .service-center-card {
    padding: 24px 18px !important;
    border-radius: var(--radius-lg) !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .service-center-card h3 {
    font-size: 1.25rem !important;
  }
}

.mobile-only {
  display: none;
}

/* ==============================================================================
   Ecosystem & Powered by TUYA Section
   ============================================================================== */
.tuya-section {
  background: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 80px 0;
}

.tuya-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 90, 0, 0.08);
  color: #ff5000;
  border: 1px solid rgba(255, 90, 0, 0.2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.tuya-grid-main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.tuya-card-app {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}

.tuya-card-app::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ff5000, #ff8a00, #0071e3);
}

.tuya-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tuya-feature-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all var(--transition-fast);
}

.tuya-feature-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: #d2d2d7;
}

.tuya-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 1.25rem;
}

.tuya-icon-orange { background: #fff1eb; color: #ff5000; }
.tuya-icon-blue { background: #e8f2fe; color: #0071e3; }
.tuya-icon-green { background: #e6f7ec; color: #107c41; }
.tuya-icon-purple { background: #f3e8ff; color: #7c3aed; }

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #000000;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-family: inherit;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.app-store-btn:hover {
  color: #ffffff;
  transform: translateY(-2px);
  opacity: 0.92;
}

.app-store-btn .btn-text-small {
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.8;
  display: block;
  line-height: 1;
  margin-bottom: 3px;
}

.app-store-btn .btn-text-large {
  font-size: 0.95rem;
  font-weight: 700;
  display: block;
  line-height: 1;
}

.voice-assistants-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.voice-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .tuya-grid-main {
    grid-template-columns: 1fr;
  }
  .tuya-features-list {
    grid-template-columns: 1fr;
  }
}


/* PUBLIC UI POLISH 2026-10-28 */
.product-card { min-width: 0; }
.bento-bulb-icon { width: 120px; height: 120px; color: #f5a623; display: block; margin: 0 auto; }
@media (min-width: 1000px) {
  .product-grid.featured-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .product-footer { flex-wrap: wrap; gap: 8px; min-width: 0; }
  .product-footer > span { flex: 1 1 100%; min-width: 0; }
  .product-actions { flex-wrap: wrap; width: 100%; min-width: 0; }
  .product-actions .btn { flex: 1 1 auto; justify-content: center; min-width: 0; }
}