:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #7c3aed;
  --dark: #1e293b;
  --light: #f8fafc;
  --gray: #94a3b8;
  --success: #10b981;
  --success-dark: #059669;
  --warning: #f59e0b;
  --error: #ef4444;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: #f1f5f9;
  overflow-x: hidden;
}

header {
  background: linear-gradient(135deg, #2563eb, #7c3aed) !important;
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 700;
}

.logo span {
  color: #fbbf24;
}

/* Category Header */
.category-header {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: white;
  padding: 3rem 0;
  text-align: center;
}

.category-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.breadcrumb li {
  margin: 0 0.5rem;
  position: relative;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  position: absolute;
  right: -0.75rem;
}
/* Typography */
h1,
h2,
h3,
h4 {
  line-height: 1.2;
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

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

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
}

.logo span {
  color: #fbbf24;
}

nav ul {
  display: flex;
  list-style: none;
}

nav a:hover {
  color: #fbbf24;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("https://images.unsplash.com/photo-1512941937669-90a1b58e7e9c")
      center/cover;
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.hero p {
  max-width: 700px;
  margin: 0 auto 2rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.search-bar {
  max-width: 600px;
  margin: 0 auto;
}

.search-bar input {
  width: 100%;
  padding: 0.75rem 1.25rem;
  border: none;
  border-radius: 30px;
  font-size: 1rem;
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card-img {
  height: 200px;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.card-content {
  padding: 1.25rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
}

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

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

.btn-success {
  background: var(--success);
  color: white;
}

.btn-success:hover {
  background: var(--success-dark);
}

/* Grid System */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, 1fr);
}
.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Blog Layout */
.blog-container {
  display: grid;
  gap: 2rem;
}

.blog-content {
  background: white;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.table th,
.table td {
  padding: 0.75rem;
  text-align: left;
  border: 1px solid #e2e8f0;
}

.table th {
  background-color: #f1f5f9;
  font-weight: 600;
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-size: 1rem;
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.mb-1 {
  margin-bottom: 0.5rem;
}
.mb-2 {
  margin-bottom: 1rem;
}
.mb-3 {
  margin-bottom: 1.5rem;
}
.p-2 {
  padding: 1rem;
}
.rounded {
  border-radius: var(--radius-md);
}
.shadow {
  box-shadow: var(--shadow-sm);
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #334155;
  color: #94a3b8;
  font-size: 0.85rem;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .grid-cols-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
  }

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

  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-container {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: -1;
  }
}

@media (max-width: 480px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 3rem 0;
  }
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}