@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- CUSTOM PROPERTIES & TOKENS --- */
:root {
  /* Color Palette - Premium Slate & Emerald Green */
  --primary-hsl: 222, 47%, 11%;     /* #0f172a - Deep Slate */
  --primary: hsl(var(--primary-hsl));
  
  --secondary-hsl: 215, 25%, 27%;   /* #334155 - Charcoal */
  --secondary: hsl(var(--secondary-hsl));

  --accent-hsl: 150, 84%, 37%;      /* #10b981 - Emerald Green */
  --accent: hsl(var(--accent-hsl));
  --accent-hover: hsl(150, 84%, 30%);
  --accent-light: hsla(150, 84%, 37%, 0.1);

  --bg-dark-hsl: 224, 71%, 4%;      /* Very deep blue-black */
  --bg-dark: hsl(var(--bg-dark-hsl));
  
  --bg-light-hsl: 210, 40%, 98%;    /* Clean gray-blue background */
  --bg-light: hsl(var(--bg-light-hsl));

  --text-dark: hsl(222, 47%, 11%);
  --text-light: hsl(210, 40%, 98%);
  --text-muted: hsl(215, 16%, 47%);

  --card-bg-light: #ffffff;
  --card-bg-dark: hsl(222, 47%, 15%);
  --border-light: hsl(214, 32%, 91%);
  --border-dark: hsl(217, 19%, 27%);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 15px 3px rgba(16, 185, 129, 0.3);

  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Header Height */
  --header-height: 100px;
}

/* --- RESET & GLOBAL STYLES --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  border: none;
  outline: none;
}

/* --- UTILITY CLASSES --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-alt {
  background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-padding {
  padding: 5rem 0;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

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

.grid-cols-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background-color: var(--primary);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background-color: var(--accent-light);
  transform: translateY(-2px);
}

/* --- HEADER / NAVIGATION (Glassmorphism) --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  height: 80px;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-img {
  height: 68px; /* Increased default logo size */
  width: auto;
  transition: var(--transition-normal);
}

.header.scrolled .logo-img {
  height: 52px; /* Increased scrolled logo size */
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
}

.nav-list {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--secondary);
  position: relative;
  padding: 0.5rem 0;
}

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

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

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

.cart-icon-container {
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.cart-svg {
  width: 24px;
  height: 24px;
  stroke: var(--secondary);
  transition: var(--transition-fast);
}

.cart-icon-container:hover .cart-svg {
  stroke: var(--accent);
}

.cart-badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background-color: var(--accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  background: linear-gradient(135deg, hsl(222, 47%, 95%) 0%, #ffffff 100%);
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 6rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3rem;
}

.hero-subtitle {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
  z-index: 1;
}

.hero-image {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
  transition: var(--transition-slow);
}

.hero-image:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* --- SECTION HEADER --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-subtitle {
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.1rem;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

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

/* --- VALUE CARD PROPOSITIONS --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background-color: var(--card-bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  background-color: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- PRODUCT CATEGORIES --- */
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 380px;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.category-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.category-card:hover .category-img {
  transform: scale(1.1);
}

.category-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.4) 50%, rgba(15, 23, 42, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: white;
}

.category-title {
  color: white;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.category-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--accent);
}

/* --- ABOUT SECTION SHORT --- */
.about-short {
  background-color: var(--primary);
  color: white;
}

.about-short h2, .about-short h3 {
  color: white;
}

.about-short-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.stat-item {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

/* --- PRODUCT CATALOG (FILTERABLE) --- */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

/* Sidebar Filters */
.catalog-filters {
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  height: fit-content;
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.filter-group {
  margin-bottom: 2rem;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-title {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

.filter-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: none;
  border-radius: var(--radius-sm);
  color: var(--secondary);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--bg-light);
  color: var(--accent);
}

.filter-btn.active {
  background-color: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

.filter-count {
  font-size: 0.8rem;
  background-color: rgba(0, 0, 0, 0.05);
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-full);
}

.filter-btn.active .filter-count {
  background-color: var(--accent);
  color: white;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

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

.product-img-box {
  position: relative;
  background-color: var(--bg-light);
  height: 220px;
  overflow: hidden;
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

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

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
}

.product-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card-title {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.product-specs {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  list-style: none;
}

.product-specs li {
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.product-specs li::before {
  content: '•';
  color: var(--accent);
  font-weight: bold;
}

.product-action {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
}

.btn-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-light);
  color: var(--secondary);
  transition: var(--transition-fast);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-card-icon:hover {
  background-color: var(--accent-light);
  color: var(--accent);
}

/* --- DYNAMIC QUOTE CALCULATOR --- */
.calculator-card {
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-md);
  margin-top: 2rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
}

.calc-form-group {
  margin-bottom: 1.5rem;
}

.calc-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.calc-select, .calc-input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-light);
  color: var(--primary);
  transition: var(--transition-fast);
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--accent);
  background-color: white;
  box-shadow: 0 0 0 3px var(--accent-light);
}

/* Range slider custom style */
.range-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.calc-range {
  flex-grow: 1;
  height: 6px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
}

.calc-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: var(--transition-fast);
}

.calc-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-val {
  width: 80px;
  text-align: right;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--accent);
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.calc-option-btn {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  background-color: white;
  cursor: pointer;
  text-align: center;
  transition: var(--transition-fast);
  font-weight: 500;
}

.calc-option-btn:hover {
  border-color: var(--accent);
  background-color: var(--bg-light);
}

.calc-option-btn.active {
  border-color: var(--accent);
  background-color: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

/* Calc Results Panel */
.calc-results {
  background-color: var(--primary);
  color: white;
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
}

.calc-results-title {
  color: white;
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.75rem;
}

.calc-stat-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

.calc-stat-row span:last-child {
  font-weight: 700;
  color: white;
}

.calc-total-box {
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  text-align: center;
}

.calc-total-lbl {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.05rem;
}

.calc-total-val {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  line-height: 1.2;
}

/* --- CONTACT SECTION & FORMS --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 3.5rem;
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  background-color: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--primary);
}

.contact-info-text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form {
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-light);
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  background-color: white;
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-textarea {
  height: 150px;
  resize: vertical;
}

/* --- FOOTER --- */
.footer {
  background-color: var(--primary);
  color: white;
  padding: 5rem 0 2rem 0;
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-logo-box {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  align-self: flex-start;
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  color: white;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-icon:hover {
  background-color: var(--accent);
  transform: translateY(-2px);
}

.footer-title {
  color: white;
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

/* --- INQUIRY CART SLIDE-OUT PANEL --- */
.inquiry-drawer {
  position: fixed;
  top: 0;
  right: -450px;
  width: 420px;
  height: 100%;
  background-color: white;
  box-shadow: var(--shadow-xl);
  z-index: 2000;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border-light);
}

.inquiry-drawer.open {
  right: 0;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1999;
  display: none;
}

.drawer-overlay.show {
  display: block;
}

.drawer-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-light);
}

.drawer-title {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.drawer-close {
  background: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--secondary);
}

.drawer-content {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
}

.drawer-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 0;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-light);
}

.cart-item-details {
  flex-grow: 1;
}

.cart-item-title {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
}

.cart-item-specs {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.qty-btn {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.qty-val {
  font-size: 0.85rem;
  font-weight: bold;
  width: 25px;
  text-align: center;
}

.cart-item-remove {
  background: none;
  color: #ef4444;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1rem;
}

.drawer-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background-color: var(--bg-light);
}

.btn-drawer-whatsapp {
  background-color: #25d366;
  color: white;
}

.btn-drawer-whatsapp:hover {
  background-color: #128c7e;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
}

/* --- WHATSAPP FLOATING BUTTON --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  font-size: 1.8rem;
  transition: var(--transition-normal);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-svg-icon {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* --- BACK TO TOP BUTTON --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background-color: var(--primary);
  color: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  font-size: 1.2rem;
  transition: var(--transition-normal);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--accent);
  transform: translateY(-3px);
}

/* --- RESPONSIVENESS MEDIA QUERIES --- */
@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .catalog-layout {
    grid-template-columns: 1fr;
  }
  .catalog-filters {
    position: relative;
    top: 0;
    margin-bottom: 2rem;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image {
    transform: none;
    max-width: 80%;
    margin: 0 auto;
  }
  .hero-image:hover {
    transform: none;
  }
  .grid-cols-2, .features-grid, .about-short-grid, .calc-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .stats-grid {
    gap: 1.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .inquiry-drawer {
    width: 100%;
    right: -100%;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}