/* ============================================
   KMZ TRADE - Premium Mining & Trading Company
   Advanced Design System v2.0
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors - Premium Dark Palette */
  --primary-bg: #080d18;
  --secondary-bg: #0d1525;
  --tertiary-bg: #131d30;
  --card-bg: rgba(13, 21, 37, 0.7);

  /* Gold Gradient */
  --accent-gold: #d4a855;
  --accent-gold-light: #f0d078;
  --accent-gold-dark: #a17c30;
  --accent-bronze: #bc8c3d;

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* Effects */
  --border-color: rgba(212, 168, 85, 0.15);
  --border-glow: rgba(212, 168, 85, 0.3);
  --glass-bg: rgba(13, 21, 37, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --overlay: rgba(8, 13, 24, 0.95);

  /* Glow Effects */
  --glow-gold: 0 0 40px rgba(212, 168, 85, 0.3);
  --glow-gold-strong: 0 0 60px rgba(212, 168, 85, 0.5);

  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 10px 40px rgba(212, 168, 85, 0.25);
  --shadow-card: 0 25px 50px -12px rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-primary);
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated Background Gradient */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(212, 168, 85, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(212, 168, 85, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 0% 80%, rgba(212, 168, 85, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

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

ul,
ol {
  list-style: none;
}

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

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

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 40%, var(--accent-bronze) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-glow {
  text-shadow: 0 0 30px rgba(212, 168, 85, 0.5);
}

/* ---------- Container ---------- */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---------- Glassmorphism Card ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

/* ---------- Premium Border Gradient ---------- */
.border-gradient {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
}

.border-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
      rgba(212, 168, 85, 0.4) 0%,
      rgba(212, 168, 85, 0.1) 25%,
      rgba(255, 255, 255, 0.05) 50%,
      rgba(212, 168, 85, 0.1) 75%,
      rgba(212, 168, 85, 0.4) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 1rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-bronze) 100%);
  color: var(--primary-bg);
  box-shadow: var(--shadow-gold);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(212, 168, 85, 0.4);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-glow);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  box-shadow: var(--glow-gold);
  transform: translateY(-2px);
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: all var(--transition-normal);
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 13, 24, 0.9) 0%, rgba(8, 13, 24, 0.7) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.header.scrolled::before {
  opacity: 1;
}

.header.scrolled {
  padding: 0.75rem 0;
}

.header-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-bronze) 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: var(--primary-bg);
  box-shadow: var(--shadow-gold);
  position: relative;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  border: 2px solid var(--accent-gold);
  opacity: 0.3;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 3px;
  background: linear-gradient(to right, var(--text-primary), var(--accent-gold-light));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  position: relative;
  padding: 0.5rem 0;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
  border-radius: 1px;
  transition: width var(--transition-normal);
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

/* Animated Gradient Orbs */
.hero-bg::before {
  content: '';
  position: absolute;
  width: 800px;
  height: 800px;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(212, 168, 85, 0.15) 0%, transparent 60%);
  animation: pulse-glow 4s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 300px;
  background: linear-gradient(to top, var(--primary-bg), transparent);
}

@keyframes pulse-glow {

  0%,
  100% {
    opacity: 0.5;
    transform: translateX(-50%) scale(1);
  }

  50% {
    opacity: 0.8;
    transform: translateX(-50%) scale(1.1);
  }
}

#particles-js {
  position: absolute;
  inset: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: var(--space-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--border-glow);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-gold);
  margin-bottom: var(--space-md);
  backdrop-filter: blur(10px);
  animation: fadeInDown 0.8s ease-out;
}

.hero-title {
  margin-bottom: var(--space-sm);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto var(--space-lg);
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Floating Elements */
.floating-element {
  position: absolute;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* ---------- Section Styles ---------- */
.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto var(--space-xl);
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: linear-gradient(135deg, rgba(212, 168, 85, 0.1) 0%, rgba(212, 168, 85, 0.05) 100%);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
}

/* ---------- Cards ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-card), var(--glow-gold);
}

.card:hover::before {
  opacity: 1;
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ---------- Product Cards ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-md);
}

.product-card {
  position: relative;
  overflow: hidden;
}

.product-image {
  position: relative;
  height: 220px;
  margin: calc(var(--space-lg) * -1);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

.product-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, var(--card-bg) 100%);
}

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

.product-card:hover .product-image img {
  transform: scale(1.15);
}

.product-category {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 2;
  padding: 0.375rem 1rem;
  background: var(--overlay);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.product-title {
  font-size: 1.35rem;
  margin-bottom: var(--space-xs);
}

.product-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.product-capacity {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.product-capacity svg {
  color: var(--accent-gold);
}

/* ---------- Stats Section ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: var(--glow-gold);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

/* ---------- Contact Section ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact-info-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(212, 168, 85, 0.1) 0%, rgba(212, 168, 85, 0.05) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: all var(--transition-normal);
}

.contact-info-item:hover .contact-icon {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
  box-shadow: var(--shadow-gold);
  transform: scale(1.05);
}

.contact-text h4 {
  margin-bottom: 0.375rem;
  font-size: 1.1rem;
}

.contact-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---------- Form Styles ---------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: 0.625rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--tertiary-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(212, 168, 85, 0.1);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 160px;
  resize: vertical;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-xl) 0 var(--space-lg);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand .logo {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent-gold);
  transform: translateX(4px);
}

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

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tertiary-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--primary-bg);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}

/* ---------- Language Switcher ---------- */
.lang-switcher {
  position: relative;
  margin-right: var(--space-sm);
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-current:hover {
  border-color: var(--accent-gold);
  color: var(--text-primary);
}

.lang-flag {
  font-size: 1.1rem;
}

.lang-code {
  font-weight: 600;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 140px;
  background: var(--secondary-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 1000;
  overflow: hidden;
}

.lang-switcher.active .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-option:hover {
  background: var(--tertiary-bg);
  color: var(--text-primary);
}

.lang-option.active {
  background: rgba(212, 168, 85, 0.1);
  color: var(--accent-gold);
}

.lang-option.active::after {
  content: '✓';
  margin-left: auto;
  color: var(--accent-gold);
}

/* ---------- WhatsApp Float Button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-normal);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: linear-gradient(135deg, #25D366, transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
}

.whatsapp-float:hover::before {
  opacity: 1;
  animation: pulse-ring 1.5s infinite;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 1;
  }

  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 1rem 2.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.tab-btn:hover {
  border-color: var(--border-glow);
  color: var(--accent-gold);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-bronze) 100%);
  border-color: transparent;
  color: var(--primary-bg);
  box-shadow: var(--shadow-gold);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeInUp 0.5s ease;
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

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

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }

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

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animations for grid items */
.products-grid .fade-in:nth-child(1) {
  transition-delay: 0s;
}

.products-grid .fade-in:nth-child(2) {
  transition-delay: 0.1s;
}

.products-grid .fade-in:nth-child(3) {
  transition-delay: 0.2s;
}

.products-grid .fade-in:nth-child(4) {
  transition-delay: 0.3s;
}

.products-grid .fade-in:nth-child(5) {
  transition-delay: 0.4s;
}

.products-grid .fade-in:nth-child(6) {
  transition-delay: 0.5s;
}

.stats .stat-item:nth-child(1) {
  animation-delay: 0s;
}

.stats .stat-item:nth-child(2) {
  animation-delay: 0.1s;
}

.stats .stat-item:nth-child(3) {
  animation-delay: 0.2s;
}

.stats .stat-item:nth-child(4) {
  animation-delay: 0.3s;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal {
  background: var(--secondary-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  max-width: 520px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.modal-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tertiary-bg);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1.5rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--accent-gold);
  color: var(--primary-bg);
}

/* ---------- Special Sections ---------- */
.section-dark {
  background: var(--secondary-bg);
  position: relative;
}

.section-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

/* Decorative Elements */
.decoration-line {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-bronze));
  border-radius: 2px;
  margin: 0 auto var(--space-md);
}

/* ---------- Preloader ---------- */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--primary-bg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-logo {
  width: 80px;
  height: 80px;
  animation: pulse-glow 2s ease-in-out infinite;
}

.preloader-logo img {
  width: 100%;
  height: 100%;
}

.preloader-text {
  margin-top: var(--space-md);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.preloader-bar {
  width: 200px;
  height: 3px;
  background: var(--tertiary-bg);
  border-radius: 3px;
  margin-top: var(--space-md);
  overflow: hidden;
}

.preloader-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-light));
  border-radius: 3px;
  animation: preloader-slide 1.5s ease-in-out infinite;
}

@keyframes preloader-slide {
  0% {
    transform: translateX(-100%);
  }

  50% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(100%);
  }
}

/* ---------- Scroll Progress Bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-light));
  z-index: 10001;
  transition: width 0.1s linear;
}

/* ---------- Back to Top Button ---------- */
.back-to-top {
  position: fixed;
  bottom: 110px;
  right: 32px;
  z-index: 998;
  width: 50px;
  height: 50px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--primary-bg);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* ---------- Cookie Banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--secondary-bg);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-md) var(--space-lg);
  z-index: 9998;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
}

.cookie-text h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.cookie-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cookie-text a {
  color: var(--accent-gold);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: var(--space-sm);
}

.cookie-btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.cookie-btn-accept {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
  color: var(--primary-bg);
}

.cookie-btn-decline {
  background: var(--tertiary-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.cookie-btn:hover {
  transform: translateY(-2px);
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: relative;
  transition: all var(--transition-normal);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 5rem;
  font-family: Georgia, serif;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-elevated);
}

.testimonial-content {
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-bg);
}

.testimonial-info h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.testimonial-info span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  margin-top: var(--space-sm);
  color: var(--accent-gold);
}

/* ---------- Partners Section ---------- */
.partners-section {
  overflow: hidden;
}

.partners-track {
  display: flex;
  gap: var(--space-xl);
  animation: scroll-partners 30s linear infinite;
}

.partner-logo {
  flex-shrink: 0;
  width: 160px;
  height: 80px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm);
  opacity: 0.6;
  transition: all var(--transition-normal);
  filter: grayscale(100%);
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
  border-color: var(--border-glow);
}

.partner-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.partner-logo span {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@keyframes scroll-partners {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* ---------- FAQ Section ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--border-glow);
}

.faq-item.active {
  border-color: var(--accent-gold);
}

.faq-question {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-gold);
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--tertiary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  background: var(--accent-gold);
  transform: rotate(45deg);
}

.faq-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--text-secondary);
}

.faq-item.active .faq-icon svg {
  stroke: var(--primary-bg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---------- 404 Page ---------- */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl);
}

.error-content {
  max-width: 600px;
}

.error-code {
  font-size: 10rem;
  font-weight: 800;
  font-family: var(--font-display);
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-md);
  text-shadow: 0 0 60px rgba(212, 168, 85, 0.3);
}

.error-title {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.error-desc {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* ---------- Product Modal ---------- */
.product-modal .modal {
  max-width: 700px;
}

.product-modal-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.product-modal-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.product-modal-spec {
  background: var(--tertiary-bg);
  padding: var(--space-sm);
  border-radius: var(--radius-md);
}

.product-modal-spec-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.product-modal-spec-value {
  font-weight: 600;
  color: var(--accent-gold);
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-links.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links .nav-link {
    font-size: 1.5rem;
  }

  .mobile-menu-btn {
    display: flex;
    z-index: 1001;
  }

  .nav .btn {
    display: none;
  }

  .hero {
    padding-top: 120px;
    min-height: auto;
    padding-bottom: var(--space-xl);
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-lg);
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-brand .logo {
    justify-content: center;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }

  .whatsapp-float {
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
  }

  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

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

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

  .btn {
    width: 100%;
  }
}

/* ---------- Utility Classes ---------- */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-sm {
  margin-bottom: var(--space-sm);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}