:root {
  --color-primary: #1B5B9C;
  --color-gold: #DE9E32;
  --color-text: #333333;
  --color-bg: #FDFBF5;
  --color-muted: #E5E5E5;
  --color-white: #FFFFFF;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

.font-heading {
  font-family: 'Montserrat', sans-serif;
}

.font-body {
  font-family: 'Inter', sans-serif;
}

.text-primary {
  color: var(--color-primary);
}

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

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

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

.bg-off-white {
  background-color: var(--color-bg);
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  display: inline-block;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: #154a7d;
  border-color: #154a7d;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  display: inline-block;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  display: inline-block;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid var(--color-gold);
}

.btn-gold:hover {
  background-color: #c78a28;
  border-color: #c78a28;
  transform: translateY(-2px);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section-padding {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .section-padding {
    padding: 6rem 0;
  }
}

.card {
  background-color: var(--color-white);
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-muted);
}

.card-content {
  padding: 1.5rem;
}

.mobile-menu {
  display: none;
}

.mobile-menu.active {
  display: block;
}

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

.hamburger span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-primary);
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    z-index: 50;
  }

  .mobile-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-muted);
    transition: color 0.3s ease;
  }

  .mobile-menu a:hover {
    color: var(--color-primary);
  }

  .mobile-menu a:last-child {
    border-bottom: none;
  }
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 80%;
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  width: 80%;
}

.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0d3a5c 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: url('assets/hero-bg.jpg') center/cover no-repeat;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 10;
}

.supply-chain-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1rem;
}

.supply-chain-icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.supply-chain-arrow {
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 2rem;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .supply-chain-arrow {
    display: flex;
  }
}

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-gold));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
  padding-left: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  width: 16px;
  height: 16px;
  background-color: var(--color-gold);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  transform: translateX(-50%);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-muted);
  border-radius: 0.375rem;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 91, 156, 0.1);
}

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

.alert {
  padding: 1rem 1.5rem;
  border-radius: 0.375rem;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.hidden {
  display: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.logo-placeholder {
  width: 200px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary) 50%, var(--color-gold) 50%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
}

.product-image-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-muted) 0%, #d0d0d0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 0.875rem;
}

footer a {
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--color-gold);
}