@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@600;700;800&display=swap');

:root {
  --navy: #111111;
  --navy-light: #1a1a1a;
  --navy-dark: #0a0a0a;
  --orange: #c5a44e;
  --orange-hover: #d4af37;
  --orange-glow: rgba(197, 164, 78, 0.3);
  --teal: #c5a44e;
  --teal-dark: #b8973f;
  --white: #ffffff;
  --gray-50: #f8f7f5;
  --gray-100: #f1f0ed;
  --gray-200: #e2e0db;
  --gray-300: #c5c3bd;
  --gray-500: #6b6960;
  --gray-600: #4a4840;
  --gray-700: #333230;
  --gray-800: #1e1d1b;
  --gray-900: #0f0e0d;
  --gold: #d4af37;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, .08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, .12);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, .16);
  --transition: .4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(197, 164, 78, .1);
  color: var(--orange);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-badge i {
  font-size: .7rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--navy);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 600px;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-hover));
  color: var(--white);
  box-shadow: 0 4px 15px var(--orange-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--orange-hover), var(--orange));
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--orange-glow);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, .4);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, .1);
  border-color: var(--white);
}

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

.btn-outline:hover {
  background: var(--orange);
  color: var(--white);
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, .1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-logo-img {
  width: 44px;
  height: 44px;
  max-width: 44px;
  max-height: 44px;
  min-width: 44px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.nav-logo-text {
  color: var(--white);
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.2rem;
}

.nav-logo-text span {
  color: var(--gold);
}

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

.nav-links a {
  color: rgba(255, 255, 255, .8);
  font-size: .9rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

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

.nav-cta .btn {
  padding: 10px 24px;
  font-size: .85rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

/* HERO */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 40%, var(--navy-light) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, rgba(197, 164, 78, .08) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(0, 201, 167, .06) 0%, transparent 60%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  color: var(--white);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(197, 164, 78, .15);
  border: 1px solid rgba(197, 164, 78, .3);
  color: var(--orange);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 24px;
  animation: fadeInUp .8s ease;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.8rem);
  margin-bottom: 20px;
  animation: fadeInUp .8s ease .1s both;
}

.hero h1 span {
  color: var(--orange);
  display: inline;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.8;
  animation: fadeInUp .8s ease .2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp .8s ease .3s both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  animation: fadeInUp .8s ease .4s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--orange);
  font-family: 'Inter', sans-serif;
}

.hero-stat-label {
  font-size: .8rem;
  color: rgba(255, 255, 255, .5);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease .3s both;
  transition: var(--transition);
}

.hero-image:hover {
  transform: translateY(-4px);
}

.hero-image .image-zoom-wrapper {
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5), 0 0 40px rgba(197, 164, 78, 0.15);
  border: 2px solid rgba(197, 164, 78, 0.2);
  overflow: hidden;
}

.hero-image img {
  max-height: 480px;
  width: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.hero-image:hover img {
  transform: scale(1.08);
  filter: brightness(1.05);
}

/* TRUST BAR */
.trust-bar {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 24px 0;
}

.trust-bar .container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gray-500);
  font-size: .9rem;
  font-weight: 500;
}

.trust-item i {
  color: var(--teal);
  font-size: 1.2rem;
}

/* ABOUT */
.about {
  padding: 100px 0;
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  transition: var(--transition);
}

.about-image:hover {
  transform: translateY(-4px);
}

.about-image .image-zoom-wrapper {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.about-image:hover img {
  transform: scale(1.08);
  filter: brightness(1.05);
}

.about-image-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--orange);
  color: var(--white);
  padding: 20px 28px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about-image-badge .num {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
}

.about-image-badge .label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: .9;
}

.about-text p {
  color: var(--gray-600);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
}

.about-feature i {
  color: var(--teal);
  font-size: 1rem;
}

/* WHY CHOOSE US */
.why-us {
  padding: 100px 0;
  background: var(--gray-50);
}

.why-us .header {
  text-align: center;
  margin-bottom: 60px;
}

.why-us .header .section-subtitle {
  margin: 0 auto;
}

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

.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  transform: scaleX(0);
  transition: var(--transition);
}

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

.why-card:hover::before {
  transform: scaleX(1);
}

.why-card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(197, 164, 78, .1), rgba(197, 164, 78, .05));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: var(--orange);
}

.why-card h3 {
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 12px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
}

.why-card p {
  font-size: .88rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* PRODUCTS / GALLERY */
.products {
  padding: 100px 0;
}

.products .header {
  text-align: center;
  margin-bottom: 20px;
}

.products .header .section-subtitle {
  margin: 0 auto;
}

.product-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.product-filter {
  padding: 10px 24px;
  border-radius: 50px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.product-filter.active,
.product-filter:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

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

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
}

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

.product-card-image {
  height: 280px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  overflow: hidden;
  position: relative;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.product-card:hover .product-card-image img {
  transform: scale(1.08);
  filter: brightness(1.05);
}

.product-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--teal);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  z-index: 2;
}

.product-card-body {
  padding: 24px;
}

.product-card-category {
  font-size: .75rem;
  color: var(--orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-card h3 {
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
}

.product-card p {
  font-size: .85rem;
  color: var(--gray-500);
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card-specs {
  display: flex;
  gap: 16px;
}

.product-card-spec {
  font-size: .75rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-card-spec i {
  color: var(--teal);
  font-size: .7rem;
}

.product-card-link {
  color: var(--orange);
  font-weight: 600;
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.product-card-link:hover {
  gap: 8px;
}

/* SPECIFICATIONS */
.specs-section {
  padding: 100px 0;
  background: var(--gray-50);
}

.specs-section .header {
  text-align: center;
  margin-bottom: 60px;
}

.specs-section .header .section-subtitle {
  margin: 0 auto;
}

.specs-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.specs-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: .9rem;
}

.specs-table thead {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
}

.specs-table th {
  color: var(--gold);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 20px;
  text-align: left;
  border-bottom: 2px solid var(--gold);
}

.specs-table td {
  padding: 14px 20px;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-200);
  font-size: .88rem;
  transition: background 0.3s ease;
}

.specs-table tbody tr:nth-child(even) {
  background: var(--gray-50);
}

.specs-table tbody tr:hover {
  background: rgba(197, 164, 78, 0.06);
}

.specs-table td:first-child {
  font-weight: 600;
  color: var(--navy);
}

.specs-features {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  border-top: 3px solid var(--gold);
}

.specs-features h3 {
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 24px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.specs-features h3 i {
  color: var(--gold);
  font-size: 1.1rem;
}

.specs-feature-list {
  list-style: none;
}

.specs-feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: .9rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  transition: padding-left 0.3s ease, color 0.3s ease;
}

.specs-feature-list li:last-child {
  border-bottom: none;
}

.specs-feature-list li:hover {
  padding-left: 6px;
  color: var(--navy);
}

.specs-feature-list li i {
  color: var(--gold);
  font-size: .75rem;
  min-width: 18px;
}

/* SPEC TABS */
.spec-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.spec-tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  border: 2px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  position: relative;
  overflow: hidden;
}

.spec-tab-btn i {
  font-size: 1rem;
  transition: var(--transition);
}

.spec-tab-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: 50px;
}

.spec-tab-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, .08);
}

.spec-tab-btn.active {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: var(--gold);
  border-color: var(--navy);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .15);
  transform: translateY(-2px);
}

.spec-tab-btn.active i {
  color: var(--orange);
}

/* Spec Tab Content */
.spec-tab-content {
  display: none;
  animation: specFadeIn .5s ease forwards;
}

.spec-tab-content.active {
  display: block;
}

@keyframes specFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Product Detail View Image Wrapper */
.pd-image-wrapper {
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
}

.pd-image-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pd-image-wrapper img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
}

.pd-image-wrapper:hover img {
  transform: scale(1.08);
  filter: brightness(1.05);
}

/* Product Showcase (for Isolation & Auto Transformer tabs) */
.spec-product-showcase {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 48px;
  align-items: start;
}

.spec-product-image-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  position: relative;
  transition: var(--transition);
}

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

.spec-product-image-card img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.spec-product-image-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, .75));
  color: var(--gold);
  padding: 20px 20px 16px;
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.spec-product-image-label i {
  font-size: .9rem;
}

.spec-product-title-bar h3 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: var(--navy);
  margin-bottom: 12px;
  position: relative;
  padding-bottom: 16px;
}

.spec-product-title-bar h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  border-radius: 2px;
}

.spec-product-desc {
  font-size: .95rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 28px;
}

.spec-product-desc strong {
  color: var(--navy);
  font-weight: 700;
}

.spec-detail-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--gold);
  transition: var(--transition);
}

.spec-detail-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.spec-detail-card h4 {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.spec-detail-card h4 i {
  color: var(--gold);
  font-size: 1rem;
}

.spec-detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.spec-detail-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  font-size: .9rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  transition: padding-left 0.3s ease, color 0.3s ease;
}

.spec-detail-list li:last-child {
  border-bottom: none;
}

.spec-detail-list li:hover {
  padding-left: 6px;
  color: var(--navy);
}

.spec-detail-list li i {
  font-size: .85rem;
  min-width: 20px;
  text-align: center;
}

/* Icon color variants */
.icon-yellow { color: #d4af37 !important; }
.icon-copper { color: #b87333 !important; }
.icon-blue { color: #3b82f6 !important; }
.icon-purple { color: #8b5cf6 !important; }
.icon-cyan { color: #06b6d4 !important; }
.icon-red { color: #ef4444 !important; }

/* SERVICES */
.services {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(255, 107, 53, .08), transparent 60%);
  pointer-events: none;
}

.services .header {
  text-align: center;
  margin-bottom: 60px;
}

.services .section-title {
  color: var(--white);
}

.services .section-subtitle {
  color: rgba(255, 255, 255, .6);
  margin: 0 auto;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}

.service-card {
  background: rgba(255, 255, 255, .05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: var(--transition);
}

.service-card:hover {
  background: rgba(255, 255, 255, .08);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, .4);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--orange), var(--gold));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 14px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
}

.service-card p {
  font-size: .9rem;
  color: rgba(255, 255, 255, .6);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card-link {
  color: var(--orange);
  font-weight: 600;
  font-size: .85rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-card-link:hover {
  gap: 10px;
  color: var(--gold);
}

/* TESTIMONIALS */
.testimonials {
  padding: 100px 0;
  background: var(--gray-50);
}

.testimonials .header {
  text-align: center;
  margin-bottom: 60px;
}

.testimonials .header .section-subtitle {
  margin: 0 auto;
}

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

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-stars i {
  color: var(--gold);
  font-size: .9rem;
}

.testimonial-card blockquote {
  font-size: .95rem;
  color: var(--gray-600);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-info h4 {
  font-size: .95rem;
  color: var(--navy);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

.testimonial-info span {
  font-size: .8rem;
  color: var(--gray-500);
}

.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(197, 164, 78, .1), transparent 60%);
  pointer-events: none;
}

.cta-section .container {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, .9);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn {
  background: linear-gradient(135deg, var(--orange), var(--gold));
  color: var(--white);
  box-shadow: 0 4px 15px var(--orange-glow);
}

.cta-section .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .2);
}

/* CONTACT */
.contact {
  padding: 100px 0;
}

.contact .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 2.2rem;
  color: var(--navy);
  margin-bottom: 16px;
}

.contact-info>p {
  color: var(--gray-500);
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(255, 107, 53, .1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  font-size: 1.1rem;
}

.contact-detail h4 {
  font-size: .9rem;
  color: var(--navy);
  margin-bottom: 4px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

.contact-detail p,
.contact-detail a {
  font-size: .9rem;
  color: var(--gray-500);
}

.contact-detail a:hover {
  color: var(--orange);
}

.contact-form {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--gray-200);
}

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

.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* PRODUCT DETAIL GRID */
.pd-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.pd-action-buttons {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.pd-action-buttons .btn {
  flex: 1;
  justify-content: center;
}

/* FOOTER */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, .7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: .88rem;
  line-height: 1.7;
  margin: 16px 0;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .6);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--orange);
  color: var(--white);
  transform: translateY(-2px);
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: .88rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--orange);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: .88rem;
}

.footer-contact-item i {
  color: var(--orange);
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: .82rem;
}

.footer-bottom a {
  color: var(--orange);
}

/* ANIMATIONS */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* BACK TO TOP */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

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

/* WHATSAPP FLOAT */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 90px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
  color: #FFF;
}

.whatsapp-bubble {
  position: absolute;
  right: 75px;
  background: var(--white);
  color: var(--navy);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.whatsapp-bubble::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 6px 0 6px 6px;
  border-style: solid;
  border-color: transparent transparent transparent var(--white);
}

.whatsapp-float:hover .whatsapp-bubble {
  opacity: 1;
  transform: translateX(0);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-image {
    display: none;
  }

  .about .container {
    grid-template-columns: 1fr;
  }

  .about-image {
    order: -1;
  }

  .why-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-cards {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact .container {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy-dark);
    padding: 24px;
    gap: 16px;
  }

  .nav-cta.mobile-open {
    display: flex;
    justify-content: center;
    position: absolute;
    top: 320px; /* Adjust based on nav links height */
    left: 0;
    right: 0;
    padding: 0 24px 24px;
    background: var(--navy-dark);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  }

  .why-cards {
    grid-template-columns: 1fr;
  }

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

  .service-cards {
    grid-template-columns: 1fr;
  }

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

  .specs-table th,
  .specs-table td {
    padding: 10px 14px;
    font-size: .82rem;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .pd-action-buttons {
    flex-direction: column;
    gap: 16px;
  }

  .pd-action-buttons .btn {
    width: 100%;
  }
}