:root {
  --clr-primary: #FFD700; /* Yellow */
  --clr-secondary: #0056b3; /* Blue */
  --clr-white: #ffffff;
  --clr-light: #f8f9fa;
  --clr-dark: #212529;
  --clr-text: #333333;
  --font-main: 'Inter', system-ui, sans-serif;
  --shadow: 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);
  --radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-main);
  color: var(--clr-text);
  background-color: var(--clr-light);
  line-height: 1.6;
  padding-top: 70px; /* For fixed header */
}

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

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

/* Typography */
h1, h2, h3, h4 {
  color: var(--clr-secondary);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; font-weight: 800; }
h2 { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 2rem; }

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--clr-secondary);
  color: var(--clr-white);
  padding: 1rem 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--clr-primary);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--clr-white);
  font-weight: 600;
}

.nav a:hover, .nav a.active {
  color: var(--clr-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--clr-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: #e6c200;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background-color: var(--clr-white);
  color: var(--clr-secondary);
  border: 2px solid var(--clr-white);
}

.btn-secondary:hover {
  background-color: transparent;
  color: var(--clr-white);
}

/* Hero Section */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  color: var(--clr-white);
  padding: 6rem 0;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 86, 179, 0.85); /* Blue overlay */
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--clr-white);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-inline: auto;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features / Social Proof */
.social-proof {
  background: var(--clr-primary);
  color: var(--clr-secondary);
  padding: 2rem 0;
  text-align: center;
  font-weight: 700;
  font-size: 1.2rem;
}

/* Product Grid */
.section {
  padding: 5rem 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--clr-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid #eee;
}

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

.product-title {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.product-unit {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.price-box {
  margin-top: auto;
  margin-bottom: 1rem;
}

.wholesale-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: #d32f2f;
  display: block;
}

.retail-price {
  font-size: 0.9rem;
  color: #888;
  text-decoration: line-through;
}

.savings-badge {
  background: var(--clr-primary);
  color: var(--clr-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: bold;
  margin-left: 0.5rem;
}

.add-to-list {
  width: 100%;
  text-align: center;
  background: var(--clr-secondary);
  color: var(--clr-white);
  padding: 0.75rem;
  border: none;
  border-radius: var(--radius);
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
}

.add-to-list:hover {
  background: #004494;
}

.add-to-list.added {
  background: #28a745;
}

/* List Sticky Footer */
.list-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--clr-secondary);
  color: var(--clr-white);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
}

.list-footer.visible {
  transform: translateY(0);
}

.list-footer .btn {
  background: #25D366; /* WhatsApp Green */
  color: white;
}

/* Contact / Map */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info {
  background: var(--clr-white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-info p {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-info i {
  color: var(--clr-secondary);
  font-size: 1.2rem;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: var(--radius);
  border: none;
}

/* Form */
.quote-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.quote-form input, .quote-form textarea {
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  font-family: inherit;
}

/* Footer */
.footer {
  background: var(--clr-dark);
  color: var(--clr-white);
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 80px; /* Above list footer */
  right: 20px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 3px #999;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.whatsapp-float:hover {
  background-color: #128C7E;
  transform: scale(1.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--clr-secondary);
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    display: none;
  }
  .nav.active { display: flex; }
  .contact-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2rem; }
}