/* =========================
   CSS VARIABLES (DESIGN TOKENS)
   ========================= */
:root {
  /* Colors */
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #93c5fd;
  --secondary: #0f172a;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --muted-bg: #f1f5f9;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-radius: 12px;
  --border-radius-sm: 6px;
  --border-radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition: all 0.2s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
  --transition-fast: all 0.1s ease-in-out;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;
}

/* =========================
   CSS RESET + BASE
   ========================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.5;
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =========================
   CSS VARIABLES (DESIGN TOKENS)
   ========================= */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #0f172a;

  --bg: #f8fafc;
  --card-bg: #ffffff;

  --text-main: #0f172a;
  --text-muted: #64748b;

  --border-radius: 12px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.1);

  --transition: all 0.25s ease;
}

/* =========================
   TYPOGRAPHY
   ========================= */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--text-main);
}

h1 { 
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.025em;
}

h2 { 
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h3 { 
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.25;
  font-weight: 600;
}

h4 { 
  font-size: 1.25rem;
  line-height: 1.3;
  font-weight: 600;
}

p {
  color: var(--text-muted);
  max-width: 65ch;
  margin-bottom: var(--spacing-4);
  line-height: 1.7;
}

/* Text utilities */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; }

/* =========================
   LINKS & BUTTONS
   ========================= */
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Base button styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  position: relative;
  overflow: hidden;
}

/* Button variants */
.btn-primary {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

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

.btn-outline:hover {
  background-color: rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--primary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background-color: rgba(37, 99, 235, 0.1);
  transform: translateY(-1px);
}

/* Button sizes */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
  line-height: 1.5;
}

/* Button states */
.btn:disabled,
.btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Button with icon */
.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Button group */
.btn-group {
  display: inline-flex;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn-group .btn {
  border-radius: 0;
  margin: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--border-radius);
  border-bottom-left-radius: var(--border-radius);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  border-right: none;
}

/* =========================
   LAYOUT & CONTAINERS
   ========================= */
.container {
  width: 100%;
  max-width: 1280px;
  padding: 0 var(--spacing-6);
  margin: 0 auto;
  position: relative;
}

.container-sm {
  max-width: 800px;
}

.container-lg {
  max-width: 1440px;
}

/* Sections */
.section {
  padding: var(--spacing-16) 0;
  position: relative;
}

.section-sm {
  padding: var(--spacing-12) 0;
}

.section-lg {
  padding: var(--spacing-24) 0;
}

/* Grid system */
.grid {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: repeat(12, 1fr);
}

.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }

/* Flex utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

/* =========================
   HEADER
   ========================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--card-bg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-slow);
  padding: var(--spacing-3) 0;
}

.header.scrolled {
  padding: var(--spacing-2) 0;
  box-shadow: var(--shadow);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.logo img {
  height: 2.5rem;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

.nav-link {
  color: var(--text-main);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  padding: var(--spacing-2) 0;
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
  color: var(--text-main);
}

/* Mobile menu */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 5rem;
    left: 0;
    right: 0;
    background: var(--card-bg);
    flex-direction: column;
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    width: 100%;
    padding: var(--spacing-3) 0;
  }
}

/* =========================
   FOOTER
   ========================= */
.footer {
  background-color: var(--secondary);
  color: white;
  padding: var(--spacing-16) 0 var(--spacing-8);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

.footer-logo {
  display: inline-block;
  margin-bottom: var(--spacing-4);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.footer-about {
  max-width: 300px;
}

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-4);
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-4);
  color: white;
  position: relative;
  padding-bottom: var(--spacing-2);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  padding: var(--spacing-2) 0;
  transition: var(--transition);
}

.footer-link:hover {
  color: white;
  padding-left: var(--spacing-2);
}

.social-links {
  display: flex;
  gap: var(--spacing-4);
  margin-top: var(--spacing-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-6);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.footer-bottom p {
  margin: 0;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-6);
  right: var(--spacing-6);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 99;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

/* =========================
   CARDS
   ========================= */
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-header,
.card-body,
.card-footer {
  padding: var(--spacing-6) var(--spacing-6) 0;
}

.card-header {
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-4);
}

.card-footer {
  padding: var(--spacing-4) var(--spacing-6) var(--spacing-6);
  margin-top: auto;
  border-top: 1px solid var(--border-color);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
  color: var(--text-main);
}

.card-subtitle {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-4);
}

.card-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.card-img-top {
  border-top-left-radius: var(--border-radius);
  border-top-right-radius: var(--border-radius);
  border-bottom: 1px solid var(--border-color);
}

.card-img-bottom {
  border-bottom-left-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Card variants */
.card-hover {
  cursor: pointer;
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-bordered {
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.card-flat {
  border: 1px solid var(--border-color);
  box-shadow: none;
}

/* Card sizes */
.card-sm .card-header,
.card-sm .card-body,
.card-sm .card-footer {
  padding: var(--spacing-4) var(--spacing-4) 0;
}

.card-sm .card-footer {
  padding: var(--spacing-3) var(--spacing-4) var(--spacing-4);
}

.card-lg .card-header,
.card-lg .card-body,
.card-lg .card-footer {
  padding: var(--spacing-8) var(--spacing-8) 0;
}

.card-lg .card-footer {
  padding: var(--spacing-6) var(--spacing-8) var(--spacing-8);
}

/* =========================
   FORMS
   ========================= */
input,
textarea,
select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  font-size: 1rem;
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* =========================
   UTILITIES
   ========================= */
/* Spacing utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-1); }
.m-2 { margin: var(--spacing-2); }
.m-3 { margin: var(--spacing-3); }
.m-4 { margin: var(--spacing-4); }
.m-5 { margin: var(--spacing-5); }
.m-6 { margin: var(--spacing-6); }
.m-8 { margin: var(--spacing-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mt-10 { margin-top: var(--spacing-10); }
.mt-12 { margin-top: var(--spacing-12); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }
.mb-10 { margin-bottom: var(--spacing-10); }
.mb-12 { margin-bottom: var(--spacing-12); }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--spacing-1); }
.ml-2 { margin-left: var(--spacing-2); }
.ml-3 { margin-left: var(--spacing-3); }
.ml-4 { margin-left: var(--spacing-4); }
.ml-5 { margin-left: var(--spacing-5); }
.ml-6 { margin-left: var(--spacing-6); }
.ml-8 { margin-left: var(--spacing-8); }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--spacing-1); }
.mr-2 { margin-right: var(--spacing-2); }
.mr-3 { margin-right: var(--spacing-3); }
.mr-4 { margin-right: var(--spacing-4); }
.mr-5 { margin-right: var(--spacing-5); }
.mr-6 { margin-right: var(--spacing-6); }
.mr-8 { margin-right: var(--spacing-8); }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: var(--spacing-1); margin-right: var(--spacing-1); }
.mx-2 { margin-left: var(--spacing-2); margin-right: var(--spacing-2); }
.mx-3 { margin-left: var(--spacing-3); margin-right: var(--spacing-3); }
.mx-4 { margin-left: var(--spacing-4); margin-right: var(--spacing-4); }
.mx-5 { margin-left: var(--spacing-5); margin-right: var(--spacing-5); }
.mx-6 { margin-left: var(--spacing-6); margin-right: var(--spacing-6); }
.mx-8 { margin-left: var(--spacing-8); margin-right: var(--spacing-8); }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: var(--spacing-1); margin-bottom: var(--spacing-1); }
.my-2 { margin-top: var(--spacing-2); margin-bottom: var(--spacing-2); }
.my-3 { margin-top: var(--spacing-3); margin-bottom: var(--spacing-3); }
.my-4 { margin-top: var(--spacing-4); margin-bottom: var(--spacing-4); }
.my-5 { margin-top: var(--spacing-5); margin-bottom: var(--spacing-5); }
.my-6 { margin-top: var(--spacing-6); margin-bottom: var(--spacing-6); }
.my-8 { margin-top: var(--spacing-8); margin-bottom: var(--spacing-8); }

/* Padding utilities */
.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-1); }
.p-2 { padding: var(--spacing-2); }
.p-3 { padding: var(--spacing-3); }
.p-4 { padding: var(--spacing-4); }
.p-5 { padding: var(--spacing-5); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--spacing-1); }
.pt-2 { padding-top: var(--spacing-2); }
.pt-3 { padding-top: var(--spacing-3); }
.pt-4 { padding-top: var(--spacing-4); }
.pt-5 { padding-top: var(--spacing-5); }
.pt-6 { padding-top: var(--spacing-6); }
.pt-8 { padding-top: var(--spacing-8); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--spacing-1); }
.pb-2 { padding-bottom: var(--spacing-2); }
.pb-3 { padding-bottom: var(--spacing-3); }
.pb-4 { padding-bottom: var(--spacing-4); }
.pb-5 { padding-bottom: var(--spacing-5); }
.pb-6 { padding-bottom: var(--spacing-6); }
.pb-8 { padding-bottom: var(--spacing-8); }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--spacing-1); }
.pl-2 { padding-left: var(--spacing-2); }
.pl-3 { padding-left: var(--spacing-3); }
.pl-4 { padding-left: var(--spacing-4); }
.pl-5 { padding-left: var(--spacing-5); }
.pl-6 { padding-left: var(--spacing-6); }
.pl-8 { padding-left: var(--spacing-8); }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--spacing-1); }
.pr-2 { padding-right: var(--spacing-2); }
.pr-3 { padding-right: var(--spacing-3); }
.pr-4 { padding-right: var(--spacing-4); }
.pr-5 { padding-right: var(--spacing-5); }
.pr-6 { padding-right: var(--spacing-6); }
.pr-8 { padding-right: var(--spacing-8); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--spacing-1); padding-right: var(--spacing-1); }
.px-2 { padding-left: var(--spacing-2); padding-right: var(--spacing-2); }
.px-3 { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.px-5 { padding-left: var(--spacing-5); padding-right: var(--spacing-5); }
.px-6 { padding-left: var(--spacing-6); padding-right: var(--spacing-6); }
.px-8 { padding-left: var(--spacing-8); padding-right: var(--spacing-8); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--spacing-1); padding-bottom: var(--spacing-1); }
.py-2 { padding-top: var(--spacing-2); padding-bottom: var(--spacing-2); }
.py-3 { padding-top: var(--spacing-3); padding-bottom: var(--spacing-3); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.py-5 { padding-top: var(--spacing-5); padding-bottom: var(--spacing-5); }
.py-6 { padding-top: var(--spacing-6); padding-bottom: var(--spacing-6); }
.py-8 { padding-top: var(--spacing-8); padding-bottom: var(--spacing-8); }

/* Display utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.inline-grid { display: inline-grid; }

/* Text utilities */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }
.text-uppercase { text-transform: uppercase; }
.text-lowercase { text-transform: lowercase; }
.text-capitalize { text-transform: capitalize; }
.text-ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Color utilities */
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-info { color: var(--info); }
.text-muted { color: var(--text-muted); }
.text-light { color: var(--text-light); }
.text-white { color: white; }

.bg-primary { background-color: var(--primary); }
.bg-secondary { background-color: var(--secondary); }
.bg-success { background-color: var(--success); }
.bg-danger { background-color: var(--danger); }
.bg-warning { background-color: var(--warning); }
.bg-info { background-color: var(--info); }
.bg-light { background-color: var(--bg); }
.bg-white { background-color: white; }
.bg-transparent { background-color: transparent; }

/* Border utilities */
.rounded { border-radius: var(--border-radius); }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: 9999px; }

.border { border: 1px solid var(--border-color); }
.border-t { border-top: 1px solid var(--border-color); }
.border-r { border-right: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }
.border-l { border-left: 1px solid var(--border-color); }

/* Shadow utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

/* Responsive utilities */
@media (min-width: 640px) {
  .sm\:hidden { display: none; }
  .sm\:block { display: block; }
  .sm\:flex { display: flex; }
  .sm\:grid { display: grid; }
}

@media (min-width: 768px) {
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  
  .md\:grid-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:hidden { display: none; }
  .lg\:block { display: block; }
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
}

/* Animation utilities */
.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Print utilities */
@media print {
  .print\:hidden { display: none; }
  .print\:block { display: block; }
  .print\:flex { display: flex; }
  .print\:grid { display: grid; }
}
/* =========================
   HERO SECTION
   ========================= */
.hero {
  position: relative;
  padding: 8rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.1) 0%, transparent 20%),
              radial-gradient(circle at 90% 80%, rgba(239, 68, 68, 0.1) 0%, transparent 20%);
  z-index: 1;
}

.hero .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  z-index: 2;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: 0.2s;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  background: linear-gradient(90deg, #0f172a 0%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 90%;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-buttons .btn {
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.hero-buttons .btn-primary {
  background: var(--primary);
  border: 2px solid var(--primary);
}

.hero-buttons .btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.hero-buttons .btn-outline:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.hero-image {
  flex: 1;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: 0.4s;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary);
  border-radius: var(--border-radius-lg);
  z-index: -1;
  transition: all 0.4s ease;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-image:hover img {
  transform: translate(-5px, -5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.hero-image:hover::before {
  transform: translate(10px, 10px);
}

/* Animation Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero {
    padding: 6rem 0;
  }
  
  .hero .container {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
    margin-bottom: 3rem;
  }
  
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .hero p {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-image {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 5rem 0;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
}
/* =========================
   EVENTS SECTION
   ========================= */
.events-section {
  padding: 6rem 0;
  background-color: var(--bg);
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--text-main);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmin(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.event-card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.event-image {
  position: relative;
  overflow: hidden;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.event-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.event-category {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.event-date {
  background: var(--primary-light);
  color: var(--primary-dark);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.event-date .day {
  font-size: 1.5rem;
}

.event-date .month {
  font-size: 0.85rem;
  text-transform: uppercase;
}

.event-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.event-content h3 a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.2s ease;
}

.event-content h3 a:hover {
  color: var(--primary);
}

.event-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.event-meta span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.event-meta i {
  width: 16px;
  text-align: center;
  color: var(--primary);
}

.event-content p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex: 1;
}

.event-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.event-price {
  font-weight: 700;
  color: var(--text-main);
}

.event-price del {
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 0.5rem;
  font-size: 0.9em;
  opacity: 0.8;
}

/* =========================
   CTA SECTION
   ========================= */
.cta {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M30,10L50,30L70,10L90,30L70,50L90,70L70,90L50,70L30,90L10,70L30,50L10,30L30,10Z" fill="white" fill-opacity="0.03"/></svg>');
  opacity: 0.2;
}

.cta .container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn {
  padding: 1rem 3rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  background: white;
  color: var(--primary);
  border: 2px solid white;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: width 0.3s ease;
  z-index: -1;
}

.cta .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.cta .btn:hover::before {
  width: 100%;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .events-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  
  .section-header h2 {
    font-size: 2.25rem;
  }
  
  .cta h2 {
    font-size: 2.25rem;
  }
}

@media (max-width: 768px) {
  .events-section,
  .cta {
    padding: 4rem 0;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .section-header p,
  .cta p {
    font-size: 1.1rem;
  }
  
  .cta h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .events-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .cta h2 {
    font-size: 1.75rem;
  }
  
  .cta .btn {
    width: 100%;
    padding: 0.875rem 1.5rem;
  }
}
/* =========================
   PAGE HEADER
   ========================= */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
    position: relative;
    z-index: 2;
}

/* =========================
   COMMUNITY PAGE
   ========================= */

/* Community Stats */
.community-stats {
    padding: 4rem 0;
    background-color: var(--bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-muted);
}

/* Community Features */
.community-features {
    padding: 5rem 0;
    background-color: var(--muted-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: var(--primary);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Community Forum */
.community-forum {
    padding: 5rem 0;
    background-color: var(--card-bg);
}

.forum-categories {
    margin-top: 2rem;
}

.forum-category {
    background: var(--bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.category-header {
    background: var(--primary);
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.category-header h3 {
    margin: 0;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topics-count {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.85rem;
}

.topic {
    padding: 1.25rem 1.5rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.topic:last-child {
    border-bottom: none;
}

.topic:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.topic-icon {
    font-size: 1.25rem;
    color: var(--primary);
}

.topic-content h4 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
}

.topic-content h4 a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

.topic-content h4 a:hover {
    color: var(--primary);
}

.topic-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.topic-latest {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-align: right;
}

.latest-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.latest-info {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
}

.latest-info span:first-child {
    color: var(--text-main);
    font-weight: 500;
}

.latest-info span:last-child {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.forum-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Join Community CTA */
.join-community {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.join-community::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M30,10L50,30L70,10L90,30L70,50L90,70L70,90L50,70L30,90L10,70L30,50L10,30L30,10Z" fill="white" fill-opacity="0.05"/></svg>');
    opacity: 0.3;
}

.join-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.join-community h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.join-community p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.join-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.join-buttons .btn {
    padding: 0.875rem 2rem;
    font-size: 1.1rem;
    border-radius: 50px;
    font-weight: 600;
}

.join-buttons .btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.join-buttons .btn-outline:hover {
    background: white;
    color: var(--primary);
}

/* =========================
   LEARN PAGE
   ========================= */

/* Learning Paths Section */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.category-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.category-icon {
    width: 70px;
    height: 70px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: var(--primary);
}

.category-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.category-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.category-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.category-link i {
    margin-left: 0.5rem;
    transition: transform 0.2s ease;
}

.category-link:hover i {
    transform: translateX(3px);
}

/* Featured Courses */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.course-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.course-image {
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    overflow: hidden;
}

.course-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.course-level {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    text-transform: capitalize;
}

.course-content {
    padding: 1.5rem;
}

.course-category {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.course-content h3 {
    font-size: 1.25rem;
    margin: 0 0 0.75rem;
    line-height: 1.4;
}

.course-content h3 a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

.course-content h3 a:hover {
    color: var(--primary);
}

.course-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.course-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.course-meta i {
    margin-right: 0.5rem;
    color: var(--primary);
    width: 16px;
    text-align: center;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.course-rating {
    display: flex;
    align-items: center;
    font-weight: 600;
    color: var(--text-main);
}

.course-rating i {
    color: #f59e0b;
    margin-right: 0.25rem;
}

.text-muted {
    color: var(--text-muted);
    font-weight: normal;
    margin-left: 0.25rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.testimonial-content {
    position: relative;
    padding: 1.5rem;
    background: var(--bg);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--text-muted);
}

.testimonial-content::before {
    content: '"\201C"';
    position: absolute;
    top: 0.5rem;
    left: 1rem;
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
    font-family: serif;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
    border: 3px solid var(--primary-light);
}

.author-info h4 {
    margin: 0 0 0.25rem;
    color: var(--text-main);
}

.author-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: 5rem;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M30,10L50,30L70,10L90,30L70,50L90,70L70,90L50,70L30,90L10,70L30,50L10,30L30,10Z" fill="white" fill-opacity="0.05"/></svg>');
    opacity: 0.3;
}

.cta .container {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-light {
    background: white;
    color: var(--primary);
    padding: 0.875rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta .btn-light:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .categories-grid,
    .courses-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .course-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .cta {
        padding: 4rem 1rem;
    }
    
    .cta h2 {
        font-size: 1.75rem;
    }
    
    .cta p {
        font-size: 1.1rem;
    }
}

/* =========================
   EVENTS FILTER
   ========================= */
.events-filter {
    background-color: var(--card-bg);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

/* Make header sticky */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white;
}

/* Adjust body padding to account for fixed header */
body {
    scroll-padding-top: 180px; /* Header height + filter height + some space */
}

.events-grid-section {
    padding-top: 1rem;
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.9rem;
}

.filter-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: white;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* =========================
   EVENTS GRID
   ========================= */
.events-grid-section {
    padding: 4rem 0;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.event-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

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

.event-image {
    position: relative;
    overflow: hidden;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.event-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.event-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.event-featured {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--danger);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

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

.event-date {
    background: var(--primary-light);
    color: var(--primary-dark);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
    position: absolute;
    top: -30px;
    left: 1.5rem;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}

.event-date .day {
    font-size: 1.5rem;
    line-height: 1;
}

.event-date .month {
    font-size: 0.75rem;
    text-transform: uppercase;
    line-height: 1;
}

.event-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.event-tag {
    background: var(--muted-bg);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-weight: 500;
}

.event-content h3 {
    font-size: 1.5rem;
    margin: 0.5rem 0;
    line-height: 1.3;
}

.event-content h3 a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

.event-content h3 a:hover {
    color: var(--primary);
}

.event-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0.75rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-meta i {
    width: 16px;
    text-align: center;
    color: var(--primary);
}

.event-content p {
    color: var(--text-muted);
    margin: 0.5rem 0 1.5rem;
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.6;
}

.event-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.event-price {
    font-weight: 700;
    color: var(--text-main);
    font-size: 1.1rem;
}

.event-price del {
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 0.5rem;
    font-size: 0.9em;
    opacity: 0.8;
}

/* =========================
   PAGINATION
   ========================= */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.pagination-link:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-color: var(--primary-light);
}

.pagination-link.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination-link.next {
    width: auto;
    padding: 0 1.5rem;
    border-radius: 50px;
}

.pagination-link.next i {
    margin-left: 0.5rem;
    font-size: 0.8rem;
}

/* =========================
   NEWSLETTER SECTION
   ========================= */
.newsletter {
    background: var(--muted-bg);
    padding: 5rem 0;
    text-align: center;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
}

.newsletter h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.newsletter p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.newsletter-form .btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
}

/* =========================
   RESPONSIVE STYLES
   ========================= */
@media (max-width: 1200px) {
    .events-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 992px) {
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    #apply-filters {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 4rem 0;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .page-header p {
        font-size: 1.1rem;
    }
    
    .events-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input,
    .newsletter-form .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .event-card {
        margin-bottom: 2rem;
    }
    
    .event-content h3 {
        font-size: 1.3rem;
    }
    
    .pagination-link {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .pagination-link.next {
        padding: 0 1rem;
    }
}
/* =========================
   GEAR TRACKER STYLES
   ========================= */

/* Form Styles */
.gear-form {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 0;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--bg);
    color: var(--text-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* File Upload */
.file-upload {
    position: relative;
    display: block;
    width: 100%;
}

.file-input {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--bg);
}

.file-label i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.file-label span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.file-label:hover {
    border-color: var(--primary);
    background-color: rgba(37, 99, 235, 0.05);
}

/* Inventory Controls */
.inventory-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    background: var(--card-bg);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background-color: var(--bg);
    color: var(--text-main);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-group label {
    margin: 0;
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.9rem;
}

.filter-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    background-color: var(--bg);
    color: var(--text-main);
    cursor: pointer;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Gear Grid */
.gear-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.gear-item {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.gear-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.gear-image {
    position: relative;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    overflow: hidden;
}

.gear-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gear-item:hover .gear-image img {
    transform: scale(1.05);
}

.gear-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gear-status.active {
    background: var(--success-light);
    color: var(--success-dark);
}

.gear-status.in-repair {
    background: var(--warning-light);
    color: var(--warning-dark);
}

.gear-status.retired {
    background: var(--muted-bg);
    color: var(--text-muted);
}

.gear-details {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.gear-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gear-details h3 {
    font-size: 1.25rem;
    margin: 0 0 1rem;
    line-height: 1.4;
}

.gear-specs {
    margin-bottom: 1.5rem;
}

.spec {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.spec i {
    margin-right: 0.75rem;
    width: 16px;
    text-align: center;
    color: var(--primary);
}

.gear-actions {
    margin-top: auto;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.btn-icon {
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background-color: var(--muted-bg);
    color: var(--primary);
}

.btn-icon.text-danger:hover {
    color: var(--danger);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.page-numbers {
    display: flex;
    gap: 0.5rem;
}

.page-numbers a,
.page-numbers span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    transition: all 0.2s ease;
}

.page-numbers a:hover,
.page-numbers span.active {
    background-color: var(--primary);
    color: white;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
}

.stat-content h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 0.25rem;
    font-weight: 600;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.stat-change {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--danger);
}

/* Charts */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.chart-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.chart-period-select {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    background-color: var(--bg);
    color: var(--text-main);
    cursor: pointer;
}

.chart-placeholder {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    font-style: italic;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .inventory-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        flex-wrap: wrap;
    }
    
    .gear-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .pagination {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 576px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-card {
        padding: 1rem;
    }
    
    .gear-actions {
        justify-content: center;
    }
}