:root {
  --gold: #d4af37;
  --gold-soft: rgba(212, 175, 55, 0.15);
  --gold-dark: #b8962e;
  --blue: #1a5276;
  --blue-dark: #154360;
  --emerald: #1abc9c;
  --emerald-dark: #16a085;
  --dark-bg: #0a0e17;
  --dark-section: #111927;
  --dark-card: #1a2332;
  --dark-input: #1e2a3a;
  --text-light: #e8edf5;
  --text-muted: #8899b0;
  --shadow-gold: 0 20px 60px rgba(212, 175, 55, 0.15);
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --border-gold: 1px solid rgba(212, 175, 55, 0.3);
}


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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.7;
  overflow-x: hidden;
}


::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--gold);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gold-dark);
}


.text-gold {
  color: var(--gold) !important;
}

.text-light-50 {
  color: var(--text-muted) !important;
}

.bg-gold {
  background-color: var(--gold) !important;
}

.bg-gold-soft {
  background-color: var(--gold-soft);
}

.bg-dark-section {
  background-color: var(--dark-section);
}

.bg-dark-nav {
  background-color: rgba(10, 14, 23, 0.92) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.08);
}

.bg-dark-input {
  background-color: var(--dark-input) !important;
  color: var(--text-light) !important;
}

.bg-dark-input:focus {
  background-color: var(--dark-input) !important;
  color: var(--text-light) !important;
  border-color: var(--gold) !important;
  box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.15);
}

.border-gold {
  border: var(--border-gold);
}


.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #0a0e17 !important;
  font-weight: 700;
  border: none;
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.25);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(212, 175, 55, 0.4);
  color: #0a0e17 !important;
}

.btn-outline-gold {
  color: var(--gold) !important;
  border: 2px solid var(--gold) !important;
  font-weight: 600;
  transition: var(--transition);
}

.btn-outline-gold:hover {
  background: var(--gold) !important;
  color: #0a0e17 !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

.btn-outline-light {
  color: var(--text-light) !important;
  border: 2px solid rgba(255, 255, 255, 0.2) !important;
  font-weight: 600;
  transition: var(--transition);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold) !important;
  color: var(--gold) !important;
  transform: translateY(-2px);
}


.navbar .nav-link {
  color: var(--text-muted) !important;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
}

.navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar .nav-link:hover {
  color: var(--gold) !important;
}

.navbar .nav-link:hover::after {
  width: 60%;
}

.navbar .nav-link.active {
  color: var(--gold) !important;
}

.navbar-brand {
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}


.hero-section {
  min-height: 100vh;
  padding: 140px 0 80px;
  position: relative;
  background: radial-gradient(ellipse at 30% 50%, rgba(26, 82, 118, 0.15) 0%, transparent 70%);
}

.hero-image {
  box-shadow: var(--shadow-gold);
  border: 1px solid rgba(212, 175, 55, 0.15);
  transition: var(--transition);
}

.hero-image:hover {
  transform: scale(1.02);
}

.shadow-gold {
  box-shadow: var(--shadow-gold);
}


.feature-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

.icon-box {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  font-size: 1.8rem;
  transition: var(--transition);
}

.feature-card:hover .icon-box {
  transform: scale(1.05) rotate(2deg);
}


.product-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.06);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 175, 55, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.product-img-wrapper {
  overflow: hidden;
  border-radius: 12px;
}

.product-img-wrapper img {
  transition: var(--transition);
  width: 100%;
  height: 220px;
  object-fit: cover;
}

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


.testimonial-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.06);
  transition: var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.testimonial-card img {
  border: 2px solid var(--gold);
}


.contact-card {
  background: var(--dark-card);
  border: 1px solid rgba(212, 175, 55, 0.08);
}


.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #0a0e17;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  color: #0a0e17;
  box-shadow: 0 12px 35px rgba(212, 175, 55, 0.5);
}

.back-to-top i {
  pointer-events: none;
}


[data-animate] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-up"] {
  transform: translateY(40px);
}

[data-animate="fade-up"].visible {
  transform: translateY(0);
}


@media (max-width: 992px) {
  .hero-section {
    min-height: auto;
    padding: 120px 0 60px;
  }

  .hero-section .display-2 {
    font-size: 3rem;
  }

  .navbar .nav-link::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-section .display-2 {
    font-size: 2.5rem;
  }

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

  .hero-section .d-flex {
    justify-content: center;
  }

  .product-img-wrapper img {
    height: 180px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }

  .contact-card {
    padding: 1.5rem !important;
  }
}

@media (max-width: 576px) {
  .hero-section .display-2 {
    font-size: 2rem;
  }

  .btn-lg {
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
  }

  .feature-card,
  .product-card,
  .testimonial-card {
    padding: 1.25rem !important;
  }
}


.badge {
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.75rem;
}

section {
  padding: 80px 0;
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
}


.border-gold-bottom {
  border-bottom: 2px solid var(--gold);
  width: 60px;
  margin: 0 auto;
}


.form-control {
  background-color: var(--dark-input) !important;
  border: 1px solid rgba(255, 255, 255, 0.06) !important;
  color: var(--text-light) !important;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--gold) !important;
  box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.1) !important;
}

.form-control::placeholder {
  color: rgba(136, 153, 176, 0.5);
}

.form-label {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
}