/* ==========================================================================
   GAURYVA — Official Brand Book Design System
   Primary: Playfair Display | Secondary: Poppins
   Palette: Deep Sage (#4D6B53), Warm Linen (#E4ECE5), Burnt Clay (#C2410C), Obsidian Black (#292524)
   Aesthetic: Dark Cinematic, Sleek Minimal, High-Contrast, Motion-Rich
   ========================================================================== */

:root {
  /* Brand Book Official Colors */
  --deep-sage: #4D6B53;
  --deep-sage-hover: #3D5542;
  --deep-sage-dark: #2F4234;
  
  --warm-linen: #E4ECE5;
  --warm-linen-light: #F2F6F3;
  
  --burnt-clay: #C2410C;
  --burnt-clay-hover: #A03408;
  --burnt-clay-pale: #FDF1EB;
  --burnt-clay-glow: rgba(194, 65, 12, 0.22);

  --obsidian-black: #292524;
  --obsidian-soft: #383432;
  --text-muted: #57534E;
  --text-light: #78716C;

  --bg-cream: #F8F6F0;
  --bg-surface: #FFFFFF;
  --rule-soft: #CBD8CE;
  --rule-subtle: #E2ECE4;

  /* Official Typography from Brand Book */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Elevation & High-Contrast Shadows */
  --shadow-sm: 0 2px 8px rgba(41, 37, 36, 0.05);
  --shadow-md: 0 10px 28px rgba(41, 37, 36, 0.08);
  --shadow-lg: 0 20px 48px rgba(41, 37, 36, 0.12);
  --shadow-sage: 0 14px 36px rgba(77, 107, 83, 0.16);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  background-color: var(--bg-cream);
  color: var(--obsidian-black);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-cream);
  color: var(--obsidian-black);
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* ==========================================================================
   Typography (Playfair Display & Poppins)
   ========================================================================== */

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--obsidian-black);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.7rem, 5.8vw, 4.4rem);
  line-height: 1.1;
  font-weight: 700;
}

h2 {
  font-size: clamp(2.1rem, 4vw, 3rem);
  margin-bottom: 14px;
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  margin-bottom: 10px;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin-bottom: 16px;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.98rem;
}

p.lead-sub {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  color: var(--deep-sage);
  font-weight: 500;
  line-height: 1.45;
  margin-bottom: 20px;
}

.caption-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--deep-sage);
  margin-bottom: 14px;
  background: var(--warm-linen);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}

.caption-tag::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--deep-sage);
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  user-select: none;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* Official Burnt Clay Button */
.btn-burnt-clay,
.btn-terracotta {
  background-color: var(--burnt-clay);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--burnt-clay-glow);
}

.btn-burnt-clay:hover,
.btn-terracotta:hover {
  background-color: var(--burnt-clay-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(194, 65, 12, 0.35);
}

/* High-Contrast Obsidian Secondary */
.btn-secondary {
  background: transparent;
  color: var(--obsidian-black);
  border: 1.5px solid var(--obsidian-black);
}

.btn-secondary:hover {
  background: var(--obsidian-black);
  color: var(--warm-linen);
  transform: translateY(-2px);
}

.btn-sage {
  background-color: var(--deep-sage);
  color: #FFFFFF;
}

.btn-sage:hover {
  background-color: var(--deep-sage-hover);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--deep-sage);
  border: 1px solid var(--rule-soft);
}

.btn-ghost:hover {
  background: var(--warm-linen);
  border-color: var(--deep-sage);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border-color: #25D366;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background-color: #20BA5A;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.35);
}

/* ==========================================================================
   Header & Navbar (Sleek Minimal Glass)
   ========================================================================== */

header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 84px;
  z-index: 500;
  background: rgba(248, 246, 240, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule-soft);
  transition: all var(--transition-fast);
}

header.site-header.scrolled {
  height: 74px;
  background: rgba(248, 246, 240, 0.98);
  box-shadow: 0 4px 20px rgba(41, 37, 36, 0.06);
}

.nav-container {
  max-width: 1240px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo-group:hover .brand-logo-img {
  transform: scale(1.05);
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--obsidian-black);
  line-height: 1.05;
}

.brand-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--deep-sage);
  font-weight: 600;
}

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

.nav-link {
  color: var(--obsidian-black);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Mobile Hamburger */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--obsidian-black);
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--obsidian-black);
  transition: all var(--transition-fast);
}

.mobile-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 84px;
  left: 0;
  width: 100%;
  background: var(--bg-cream);
  border-bottom: 1px solid var(--rule-soft);
  padding: 24px 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
  z-index: 490;
  box-shadow: var(--shadow-lg);
}

.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-links a {
  font-size: 1.15rem;
  font-family: var(--font-heading);
  color: var(--obsidian-black);
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--warm-linen);
}

/* ==========================================================================
   Brand Values Ribbon (From Page 6 of Brand Book)
   "The first night matters, Nothing unused, One standard, many cities, We carry the ops"
   ========================================================================== */

.brand-values-ribbon {
  background: var(--obsidian-black);
  color: var(--warm-linen);
  padding: 16px 24px;
  overflow: hidden;
  border-top: 1px solid rgba(228, 236, 229, 0.15);
  border-bottom: 1px solid rgba(228, 236, 229, 0.15);
}

.brand-values-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.value-pillar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.value-dot {
  width: 6px;
  height: 6px;
  background: var(--burnt-clay);
  border-radius: 50%;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */

main {
  padding-top: 84px;
}

.section-wrapper {
  padding: 96px 24px;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
}

.section-header {
  margin-bottom: 48px;
}

.section-header.text-center {
  text-align: center;
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.divider {
  border: none;
  border-top: 1px solid var(--rule-soft);
  max-width: 1240px;
  margin: 0 auto;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  padding: 30px 0 50px;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-badges-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 34px 0;
}

.hero-chip {
  padding: 8px 16px;
  background-color: var(--warm-linen);
  color: var(--deep-sage);
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 36px;
}

.trust-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--rule-soft);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--deep-sage);
  line-height: 1.1;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Hero Media Display */
.hero-visual-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.hero-visual-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sage);
}

.hero-img-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 4 / 3;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s ease;
}

.hero-visual-card:hover .hero-img {
  transform: scale(1.03);
}

.hero-floating-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--rule-soft);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

.hero-floating-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--deep-sage);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(77, 107, 83, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(77, 107, 83, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(77, 107, 83, 0); }
}

/* ==========================================================================
   Supply Catalogue Section (Interactive Cards & Filters)
   ========================================================================== */

.catalogue-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 8px 18px;
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--obsidian-black);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--deep-sage);
  color: #FFFFFF;
  border-color: var(--deep-sage);
}

.supply-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-sage);
  border-color: var(--deep-sage);
}

.product-card-media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--bg-cream);
  margin-bottom: 20px;
  border: 1px solid var(--rule-subtle);
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.product-card-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(248, 246, 240, 0.94);
  backdrop-filter: blur(8px);
  border: 1px solid var(--rule-soft);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--deep-sage);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.product-card h3 {
  margin-bottom: 8px;
  font-size: 1.45rem;
}

.product-card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.supply-items-list {
  list-style: none;
  margin-top: auto;
  border-top: 1px solid var(--rule-subtle);
  padding-top: 12px;
}

.supply-items-list li {
  padding: 7px 0;
  border-bottom: 1px dashed var(--rule-subtle);
  font-size: 0.9rem;
  color: var(--obsidian-black);
  display: flex;
  align-items: center;
  gap: 8px;
}

.supply-items-list li:last-child {
  border-bottom: none;
}

.supply-items-list li::before {
  content: "✓";
  color: var(--deep-sage);
  font-weight: 700;
  font-size: 0.82rem;
}

.card-action-bar {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--rule-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Chemicals Box & Interactive Table
   ========================================================================== */

.chemicals-showcase {
  margin-top: 48px;
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.chemicals-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 20px;
}

.chemicals-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: stretch;
}

.chemicals-img-container {
  display: flex;
  flex-direction: column;
  background: var(--bg-cream);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.chemicals-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.chemicals-table-wrap {
  overflow-x: auto;
}

.chemicals-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.chemicals-table th {
  background-color: var(--deep-sage);
  color: #FFFFFF;
  text-align: left;
  padding: 12px 16px;
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.chemicals-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--rule-subtle);
  color: var(--obsidian-black);
}

.chemicals-table tr:nth-child(even) td {
  background-color: var(--warm-linen-light);
}

.chemicals-table tr:hover td {
  background-color: var(--warm-linen);
}

.badge-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.75rem;
  background: var(--burnt-clay-pale);
  color: var(--burnt-clay);
  border-radius: var(--radius-pill);
  font-weight: 600;
  border: 1px solid rgba(194, 65, 12, 0.2);
}

/* ==========================================================================
   Move-in Kits (Tiered Interactive Cards)
   ========================================================================== */

.kits-section-wrapper {
  background: linear-gradient(180deg, var(--bg-cream) 0%, #EDE7D8 100%);
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
}

.kits-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.kits-tier-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.kit-tier-card {
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
}

.kit-tier-card:hover,
.kit-tier-card.selected {
  border-color: var(--burnt-clay);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--burnt-clay-glow);
}

.kit-tier-card.selected::after {
  content: "Selected";
  position: absolute;
  top: -10px;
  right: 12px;
  background: var(--burnt-clay);
  color: #FFFFFF;
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kit-tier-card h4 {
  font-size: 1.25rem;
  color: var(--deep-sage);
  margin-bottom: 6px;
}

.kit-tier-card p {
  font-size: 0.82rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.kit-tier-items {
  list-style: none;
  font-size: 0.78rem;
  color: var(--obsidian-black);
  border-top: 1px solid var(--rule-subtle);
  padding-top: 8px;
}

.kit-tier-items li {
  padding: 3px 0;
}

.kit-tier-items li::before {
  content: "• ";
  color: var(--burnt-clay);
  font-weight: bold;
}

.kit-price-alert {
  background: var(--burnt-clay-pale);
  border-left: 3px solid var(--burnt-clay);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--burnt-clay-hover);
  font-size: 0.88rem;
  font-weight: 500;
  margin: 20px 0;
}

/* ==========================================================================
   Interactive Spec Sheet / Quote Calculator
   ========================================================================== */

.quote-calculator-box {
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-top: 56px;
  box-shadow: var(--shadow-md);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
}

.calc-form-group {
  margin-bottom: 20px;
}

.calc-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--obsidian-black);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.calc-range-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.calc-range {
  flex: 1;
  accent-color: var(--deep-sage);
  height: 6px;
}

.calc-count-pill {
  min-width: 70px;
  text-align: center;
  background: var(--warm-linen);
  color: var(--deep-sage);
  font-weight: 700;
  font-size: 1.15rem;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.calc-checkboxes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.calc-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-cream);
  padding: 10px 14px;
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.calc-check-item:hover {
  border-color: var(--deep-sage);
}

.calc-check-item input[type="checkbox"] {
  accent-color: var(--deep-sage);
  width: 16px;
  height: 16px;
}

.calc-summary-card {
  background: var(--warm-linen-light);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-summary-header {
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 14px;
  margin-bottom: 14px;
}

.calc-summary-header h4 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: var(--deep-sage);
}

/* ==========================================================================
   How We Work (Timeline & Process)
   ========================================================================== */

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.process-card {
  background: var(--warm-linen);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition-smooth);
}

.process-card:hover {
  transform: translateY(-4px);
  background: #FFFFFF;
  box-shadow: var(--shadow-sage);
  border-color: var(--deep-sage);
}

.process-num {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  line-height: 1;
  color: var(--deep-sage);
  margin-bottom: 16px;
  font-weight: 700;
}

.process-card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.process-card p {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 32px;
}

.contact-card-direct {
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-person-name {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  color: var(--obsidian-black);
  margin-bottom: 4px;
  font-weight: 700;
}

.contact-person-role {
  font-size: 0.8rem;
  color: var(--deep-sage);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.contact-lines-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-line-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.02rem;
}

.contact-icon-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--warm-linen);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--deep-sage);
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-link-highlight {
  color: var(--burnt-clay);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.contact-link-highlight:hover {
  color: var(--burnt-clay-hover);
  text-decoration: underline;
}

.contact-form-box {
  background: var(--bg-surface);
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-md);
  padding: 36px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--obsidian-black);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--rule-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-cream);
  color: var(--obsidian-black);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--deep-sage);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(77, 107, 83, 0.14);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer.site-footer {
  border-top: 1px solid var(--rule-soft);
  background: var(--bg-surface);
  padding: 56px 24px 32px;
}

.footer-top {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--rule-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-light);
  flex-wrap: wrap;
  gap: 16px;
}

/* Mobile Floating Sticky Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--rule-soft);
  padding: 10px 16px;
  z-index: 450;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

.mobile-sticky-inner {
  display: flex;
  gap: 12px;
}

.mobile-sticky-inner .btn {
  flex: 1;
  padding: 10px;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid,
  .kits-grid,
  .chemicals-grid,
  .calc-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .kits-tier-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 868px) {
  nav.nav-desktop {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-sticky-bar {
    display: block;
  }

  body {
    padding-bottom: 64px;
  }

  .brand-values-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .process-grid,
  .kits-tier-cards,
  .trust-metrics,
  .footer-top {
    grid-template-columns: 1fr;
  }

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

  .calc-checkboxes {
    grid-template-columns: 1fr;
  }

  .section-wrapper {
    padding: 64px 20px;
  }

  .chemicals-showcase,
  .quote-calculator-box,
  .contact-card-direct,
  .contact-form-box {
    padding: 24px 18px;
  }
}


/* ==========================================================================
   Interactive Hanging Pendant Lamp & Dark Mode Theme System
   Brand Book: Dark Cinematic, Sleek Minimal, High-Contrast
   ========================================================================== */

/* The Hanging Pendant Lamp Fixture */
.theme-lamp-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  color: var(--obsidian-black);
  position: relative;
  transition: transform var(--transition-fast);
  outline: none;
  user-select: none;
  height: 60px;
  margin-right: 4px;
}

.lamp-svg {
  overflow: visible;
  transition: transform 0.3s ease;
  transform-origin: 18px 0px;
}

/* Gentle ambient sway on hover */
.theme-lamp-btn:hover .lamp-svg {
  animation: lampSway 2.4s ease-in-out infinite alternate;
}

@keyframes lampSway {
  0% { transform: rotate(-3.5deg); }
  100% { transform: rotate(3.5deg); }
}

/* Pull cord physical bounce effect on click */
.theme-lamp-btn.pulling .lamp-pull-group {
  animation: pullCord 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes pullCord {
  0% { transform: translateY(0); }
  45% { transform: translateY(7px); }
  100% { transform: translateY(0); }
}

.lamp-beam {
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.lamp-bulb {
  transition: fill 0.35s ease, filter 0.35s ease;
}

.lamp-label-text {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: -4px;
  transition: color 0.3s ease;
}

/* In Dark Mode: Lamp Turns ON! */
[data-theme="dark"] .lamp-beam {
  opacity: 1;
}

[data-theme="dark"] .lamp-bulb {
  fill: #FFD15C !important;
  filter: drop-shadow(0 0 6px #FFD15C) drop-shadow(0 0 12px rgba(255, 209, 92, 0.6));
}

[data-theme="dark"] .lamp-shade {
  stroke: #FFD15C;
}

[data-theme="dark"] .lamp-label-text {
  color: #FFD15C;
}

/* ==========================================================================
   Dark Mode Color Overrides (Obsidian Black Cinematic Palette)
   ========================================================================== */

[data-theme="dark"] {
  /* Cinematic warm obsidian background */
  --bg-cream: #181615;
  --bg-cream-dark: #1F1C1B;
  --bg-surface: #24201E;

  /* Inverted high-contrast text */
  --obsidian-black: #F8F6F0;
  --text-muted: #BBB5AD;
  --text-light: #8E877F;

  /* Warm Linen in dark mode */
  --warm-linen: #302A27;
  --warm-linen-light: #262220;

  /* Luminous Deep Sage */
  --deep-sage: #6B9474;
  --deep-sage-hover: #7FA687;
  --deep-sage-dark: #8DB596;

  /* Radiant Burnt Clay */
  --burnt-clay: #D9531E;
  --burnt-clay-hover: #EA642F;
  --burnt-clay-pale: rgba(217, 83, 30, 0.18);
  --burnt-clay-glow: rgba(217, 83, 30, 0.35);

  /* Delicate borders */
  --rule-soft: rgba(228, 236, 229, 0.12);
  --rule-subtle: rgba(228, 236, 229, 0.07);

  /* Dramatic dark shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 10px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-sage: 0 14px 40px rgba(107, 148, 116, 0.2);
}

/* Global Smooth Transitions when toggling light/dark */
html, body,
header.site-header,
.product-card,
.process-card,
.chemicals-showcase,
.chemicals-img-container,
.quote-calculator-box,
.calc-summary-card,
.contact-card-direct,
.contact-form-box,
footer.site-footer,
.mobile-drawer,
.mobile-sticky-bar,
.hero-visual-card,
.kit-tier-card {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

[data-theme="dark"] header.site-header {
  background: rgba(24, 22, 21, 0.94);
  border-bottom-color: rgba(228, 236, 229, 0.12);
}

[data-theme="dark"] header.site-header.scrolled {
  background: rgba(24, 22, 21, 0.98);
}

[data-theme="dark"] .mobile-drawer {
  background: #181615;
}

[data-theme="dark"] .mobile-sticky-bar {
  background: rgba(24, 22, 21, 0.96);
  border-top-color: rgba(228, 236, 229, 0.12);
}

[data-theme="dark"] .hero-floating-badge {
  background: rgba(36, 32, 30, 0.96);
  border-color: rgba(228, 236, 229, 0.15);
}

[data-theme="dark"] .hero-floating-badge strong {
  color: #F8F6F0 !important;
}

[data-theme="dark"] .product-card-media {
  background-color: #1A1817;
  border-color: rgba(228, 236, 229, 0.1);
}

[data-theme="dark"] .product-card-tag {
  background: rgba(36, 32, 30, 0.95);
  color: var(--deep-sage);
  border-color: rgba(228, 236, 229, 0.15);
}

[data-theme="dark"] .chemicals-img-container {
  background: #1C1918;
}

[data-theme="dark"] .chemicals-table th {
  background-color: var(--deep-sage);
  color: #12100F;
  font-weight: 700;
}

[data-theme="dark"] .chemicals-table td {
  border-bottom-color: rgba(228, 236, 229, 0.08);
}

[data-theme="dark"] .chemicals-table tr:nth-child(even) td {
  background-color: #221E1C;
}

[data-theme="dark"] .chemicals-table tr:hover td {
  background-color: #2D2724;
}

[data-theme="dark"] .calc-check-item {
  background: #1C1918;
  border-color: rgba(228, 236, 229, 0.12);
}

[data-theme="dark"] .form-control {
  background: #1C1918;
  color: #F8F6F0;
  border-color: rgba(228, 236, 229, 0.14);
}

[data-theme="dark"] .form-control:focus {
  background: #24201E;
}

[data-theme="dark"] .btn-secondary {
  color: #F8F6F0;
  border-color: #F8F6F0;
}

[data-theme="dark"] .btn-secondary:hover {
  background: #F8F6F0;
  color: #181615;
}

[data-theme="dark"] .kits-section-wrapper {
  background: linear-gradient(180deg, #181615 0%, #11100F 100%);
}

[data-theme="dark"] .brand-values-ribbon {
  background: #11100F;
  border-color: rgba(228, 236, 229, 0.08);
}

[data-theme="dark"] .brand-values-ribbon span {
  color: #E4ECE5;
}

[data-theme="dark"] .contact-icon-circle {
  background: #322C29;
  color: var(--deep-sage);
}