/* Global Variables */
:root {
  --primary-color: #4A90E2;    /* Soft, elegant blue */
  --primary-light: #6FA9E9;
  --secondary-color: #F8FAFC;  /* Very light grey-blue background */
  --text-main: #334155;        /* Slate 700 */
  --text-muted: #64748B;       /* Slate 500 */
  --border-color: #E2E8F0;
  --bg-white: #FFFFFF;
  --bg-soft: #F1F5F9;
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --transition: all 0.3s ease-in-out;
}

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

body {
  font-family: var(--font-family);
  color: var(--text-main);
  background-color: var(--bg-soft);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: #1E293B; /* Slate 800 */
  line-height: 1.3;
}

p {
  color: var(--text-muted);
}

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
  border: 1px solid var(--primary-color);
}
.btn-primary:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}
.btn-outline:hover {
  background-color: var(--primary-color);
  color: #fff;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  padding: 5px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  transition: var(--transition);
}

.header.scrolled .nav-container {
  height: 60px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 8px 0;
}

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

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-links a.active {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.hero::before {
  content: '';
  position: absolute;
  top:0; left:0; width:100%; height:100%;
  background: linear-gradient(to right, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.1) 100%);
}
.hero-content {
  position: relative;
  z-index: 10;
  color: #fff;
  max-width: 600px;
  animation: fadeInUp 1s ease-out;
}
.hero-content h1 {
  color: #fff;
  font-size: 3.5rem;
  margin-bottom: 20px;
  line-height: 1.2;
}
.hero-content p {
  color: #e2e8f0;
  font-size: 1.2rem;
  margin-bottom: 30px;
}

/* Sections */
.section {
  padding: 100px 0;
  background-color: var(--bg-white);
}
.section-alt {
  background-color: var(--secondary-color);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header h2 {
  font-size: 2.2rem;
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}
.section-header h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: 2px;
}
.section-header p {
  margin-top: 15px;
  font-size: 1.1rem;
}

/* Home - About Brief */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.about-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-image img {
  width: 100%;
  transition: transform 0.5s;
}
.about-image:hover img {
  transform: scale(1.05);
}
.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}
.about-text p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}
.product-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}
.product-img {
  height: 220px;
  overflow: hidden;
  background: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.product-card:hover .product-img img {
  transform: scale(1.08);
}
.product-info {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.product-info h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.product-info p {
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Footer */
.footer {
  background-color: #1E293B;
  color: #94A3B8;
  padding: 60px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-widget h4 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-widget h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}
.footer-contact li {
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.footer-contact i {
  color: var(--primary-color);
  margin-top: 5px;
}
.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #334155;
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* Add mobile menu logic in JS if needed */
  }
  .hero-content h1 {
    font-size: 2.5rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
}
#preandnext{
	display:none;
}