/* =========================
   Global Styles
========================= */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --dark-bg: #020617;
  --light-bg: #f8fafc;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

/* =========================
   Navbar Styles
========================= */
.navbar {
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  transition: transform 0.3s ease;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  font-weight: 500;
  margin: 0 10px;
  position: relative;
  transition: color 0.3s ease;
}

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

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

/* =========================
   Hero Section
========================= */
.hero-section {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  min-height: 100vh;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

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

.hero-section h1 {
  animation: fadeInUp 0.8s ease;
}

.hero-section p {
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-section .btn {
  animation: fadeInUp 0.8s ease 0.4s both;
}

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

/* =========================
   Stats Cards
========================= */
.stat-card {
  padding: 20px;
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
}

/* =========================
   Product Cards
========================= */
.product-card {
  transition: all 0.3s ease;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

.product-card .card-img-top {
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .card-img-top {
  transform: scale(1.1);
}

/* =========================
   Process Cards
========================= */
.process-card {
  background: #fff;
  border-radius: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.process-card:hover {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.process-icon {
  display: inline-block;
  transition: transform 0.3s ease;
}

.process-card:hover .process-icon {
  transform: scale(1.1);
}

/* =========================
   Brand Boxes
========================= */
.brand-box {
  transition: all 0.3s ease;
}

.brand-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* =========================
   Buttons
========================= */
.btn {
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
}

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

/* =========================
   Product Gallery
========================= */
.product-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.product-item {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.product-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.product-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-item:hover img {
  transform: scale(1.1);
}

.product-info {
  padding: 20px;
  text-align: center;
}

.product-info h5 {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.product-info p {
  color: var(--text-muted);
  margin-bottom: 0;
}

/* =========================
   Contact Page
========================= */
.contact-card {
  transition: all 0.3s ease;
}

.contact-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-control, .form-select {
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

/* =========================
   About Page
========================= */
.timeline {
  position: relative;
  padding: 20px 0;
}

.timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--primary-color);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--primary-color);
}

/* =========================
   Footer
========================= */
footer a:hover {
  color: #fff !important;
  transition: color 0.3s ease;
}

/* =========================
   Animations
========================= */
.fade-in {
  animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.slide-in-left {
  animation: slideInLeft 0.8s ease;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.8s ease;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* -------------------------
   Design tokens
------------------------- */
:root{
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --dark-bg: #020617;
  --light-bg: #f8fafc;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --radius-sm: 6px;
  --radius-md: 10px;
  --focus-ring: 0 0 0 4px rgba(37,99,235,0.12);
}
/* =========================
   Loading Animation
========================= */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =========================
   Responsive Design
========================= */
@media (max-width: 991px) {
  .hero-section {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 60px;
  }
  
  .navbar-nav .nav-link {
    margin: 5px 0;
  }
  
  .navbar-nav .nav-link::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .stat-card h2 {
    font-size: 2.5rem;
  }
  
  .product-gallery {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
  }
}

@media (max-width: 576px) {
  .product-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
  
  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
}