/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary-color: #00cc5f;
  --primary-dark: #00a84d;
  --primary-light: #1aff73;
  --secondary-color: #f8f9fa;
  --accent-color: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #6c757d;
  --background-primary: #ffffff;
  --background-secondary: #f8f9fa;
  --background-card: #ffffff;
  --border-color: #dee2e6;
  --shadow-light: rgba(0, 204, 95, 0.15);
  --shadow-dark: rgba(0, 0, 0, 0.1);

  /* Typography */
  --font-family: 'Poppins', sans-serif;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--background-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

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

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--primary-light);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #ffffff;
  box-shadow: 0 4px 15px var(--shadow-light);
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  animation: buttonPulse 2s ease-in-out infinite;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-light);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

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

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: var(--transition-normal);
  animation: slideDown 0.8s ease-out;
}

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

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--text-primary);
}

.logo i {
  color: var(--primary-color);
  font-size: var(--font-size-2xl);
}

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

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition-normal);
}

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

.cta-button {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #ffffff !important;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-light);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(0, 204, 95, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 204, 95, 0.05) 0%, transparent 50%),
    linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
  z-index: -1;
  animation: backgroundFlow 8s ease-in-out infinite alternate;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 60% 40%, rgba(0, 204, 95, 0.03) 0%, transparent 70%);
  animation: backgroundPulse 6s ease-in-out infinite;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease-out 0.2s both;
  word-wrap: break-word;
  hyphens: auto;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  animation: fadeIn 1s ease-out;
}

.highlight {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
  animation: fadeInUp 1s ease-out 0.4s both;
  word-wrap: break-word;
  text-align: justify;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-buttons .btn {
  animation: bounceIn 0.8s ease-out 0.8s both;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-card {
  position: absolute;
  background: var(--background-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: 0 10px 30px var(--shadow-dark);
  backdrop-filter: blur(10px);
  transition: var(--transition-normal);
  max-width: 200px;
  animation: cardSlideIn 1s ease-out both;
}

.floating-card:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 20px 40px var(--shadow-light);
  border-color: var(--primary-color);
}

.floating-card:nth-child(1) {
  top: 10%;
  right: 20%;
  animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
  bottom: 30%;
  left: 10%;
  animation: float 6s ease-in-out infinite 2s;
}

.floating-card:nth-child(3) {
  top: 60%;
  right: 10%;
  animation: float 6s ease-in-out infinite 4s;
}

.floating-card i {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.floating-card h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

.floating-card p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ===== SECTIONS ===== */
.features,
.about,
.cta {
  padding: var(--spacing-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FEATURES SECTION ===== */
.features {
  background: var(--background-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--background-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
  transition: var(--transition-slow);
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--primary-color);
  box-shadow: 0 20px 40px var(--shadow-light);
  animation: cardGlow 0.5s ease-in-out;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.feature-icon i {
  font-size: var(--font-size-2xl);
  color: var(--background-primary);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--text-secondary);
}

/* ===== ABOUT SECTION ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.stat-item {
  text-align: center;
}

.stat-item h3 {
  font-size: var(--font-size-3xl);
  color: var(--primary-color);
  font-weight: 800;
}

.stat-item p {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.about-image {
  display: flex;
  justify-content: center;
}

.image-placeholder {
  width: 400px;
  height: 300px;
  background: var(--background-card);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.image-placeholder i {
  font-size: var(--font-size-4xl);
  color: var(--primary-color);
}

/* ===== CTA SECTION ===== */
.cta {
  background: linear-gradient(135deg, var(--background-secondary), var(--accent-color));
  text-align: center;
}

.cta-content h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
}

/* ===== LIBRARIES PAGE ===== */
.libraries-header {
  padding: 120px 0 var(--spacing-2xl);
  text-align: center;
  background: linear-gradient(135deg, var(--background-primary), var(--background-secondary));
}

.page-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.page-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.search-section {
  padding: var(--spacing-xl) 0;
  background: var(--background-secondary);
}

.search-box {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.search-input-group {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.search-input-group i {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

#searchInput {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
  background: var(--background-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: var(--transition-normal);
}

#searchInput:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--shadow-light);
}

.filter-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: var(--background-primary);
  border-color: var(--primary-color);
}

.libraries-section {
  padding: var(--spacing-2xl) 0;
}

.libraries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-xl);
}

.library-card {
  background: var(--background-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-normal);
  position: relative;
}

.library-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px var(--shadow-dark);
  border-color: var(--primary-color);
}

.library-image {
  position: relative;
  height: 200px;
  background: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.library-image .image-placeholder {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 0;
}

.library-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--primary-color);
  color: var(--background-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.library-content {
  padding: var(--spacing-lg);
}

.library-name {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.library-location {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.library-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.feature-tag {
  background: var(--accent-color);
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.library-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm) 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-weight: 700;
  color: var(--primary-color);
  font-size: var(--font-size-lg);
}

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

.library-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.library-actions .btn {
  flex: 1;
  justify-content: center;
}

/* ===== MODAL ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  backdrop-filter: blur(5px);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--background-card);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-lg);
  max-height: 60vh;
  overflow-y: auto;
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}

.empty-icon i {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--background-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.footer-logo i {
  color: var(--primary-color);
}

.footer-section h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

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

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--accent-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

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

.contact-info p {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
}

.contact-info i {
  color: var(--primary-color);
  width: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--primary-color);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero {
    min-height: 85vh;
    padding-top: 90px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .hero-title {
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    margin-bottom: var(--spacing-lg);
  }

  .hero-description {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .floating-card {
    position: static;
    display: inline-block;
    margin: var(--spacing-sm);
    max-width: 180px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
  }

  .nav-links a {
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--border-color);
    display: block;
    width: 100%;
    transition: var(--transition-normal);
  }

  .nav-links a:hover {
    background: var(--accent-color);
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--primary-color);
  }

  .cta-button {
    display: block;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero {
    padding-top: 100px;
    min-height: 80vh;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }

  .hero-text {
    order: 1;
  }

  .hero-image {
    order: 2;
    margin-top: var(--spacing-lg);
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
  }

  .hero-description {
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-sm);
    text-align: center;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
    gap: var(--spacing-sm);
  }

  .floating-card {
    position: static;
    display: inline-block;
    margin: var(--spacing-xs);
    max-width: 150px;
    transform: none !important;
  }

  .floating-card:hover {
    transform: translateY(-5px) scale(1.02) !important;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    justify-content: center;
  }

  .libraries-grid {
    grid-template-columns: 1fr;
  }

  .library-actions {
    flex-direction: column;
  }

  .filter-buttons {
    justify-content: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero {
    padding-top: 80px;
    min-height: 70vh;
  }

  .hero-title {
    font-size: clamp(1.75rem, 10vw, 2.5rem);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
  }

  .hero-description {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    padding: 0;
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .floating-card {
    max-width: 120px;
    padding: var(--spacing-sm);
    margin: var(--spacing-xs) var(--spacing-xs);
  }

  .floating-card h3 {
    font-size: var(--font-size-sm);
  }

  .floating-card p {
    font-size: 0.75rem;
  }

  .floating-card i {
    font-size: var(--font-size-lg);
  }

  .modal-content {
    width: 95%;
  }

  .stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* ===== ADDITIONAL ANIMATIONS ===== */
@keyframes slideDown {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes cardSlideIn {
  0% {
    opacity: 0;
    transform: translateX(-50px) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes cardGlow {
  0%, 100% {
    box-shadow: 0 20px 40px var(--shadow-light);
  }
  50% {
    box-shadow: 0 25px 50px var(--shadow-light), 0 0 30px var(--primary-color);
  }
}

@keyframes backgroundFlow {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 100% 100%;
  }
}

@keyframes backgroundPulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

@keyframes buttonPulse {
  0%, 100% {
    box-shadow: 0 4px 15px var(--shadow-light);
  }
  50% {
    box-shadow: 0 6px 25px var(--shadow-light), 0 0 20px rgba(0, 204, 95, 0.3);
  }
}

@keyframes textGlow {
  0%, 100% {
    text-shadow: 0 0 5px rgba(0, 204, 95, 0.3);
  }
  50% {
    text-shadow: 0 0 20px rgba(0, 204, 95, 0.6), 0 0 30px rgba(0, 204, 95, 0.3);
  }
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease-out;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease-out;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ===== ENHANCED HOVER EFFECTS ===== */
.logo:hover {
  animation: textGlow 0.5s ease-in-out;
  transform: scale(1.05);
}

.nav-links a:hover {
  transform: translateY(-2px);
}

.feature-icon {
  transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  animation: iconBounce 0.6s ease-in-out;
}

@keyframes iconBounce {
  0%, 100% { transform: scale(1.1) rotate(5deg); }
  50% { transform: scale(1.2) rotate(-5deg); }
}

.library-card {
  transform: translateY(0);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.library-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px var(--shadow-light);
}

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

.library-image {
  transition: var(--transition-normal);
  overflow: hidden;
}

/* ===== LOADING ANIMATIONS ===== */
.loading-wave {
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--primary-color);
  margin: 0 2px;
  animation: loading-wave-animation 1s infinite ease-in-out;
}

.loading-wave:nth-child(2) { animation-delay: 0.1s; }
.loading-wave:nth-child(3) { animation-delay: 0.2s; }
.loading-wave:nth-child(4) { animation-delay: 0.3s; }

@keyframes loading-wave-animation {
  0%, 40%, 100% {
    transform: scaleY(0.4);
    background: var(--primary-color);
  }
  20% {
    transform: scaleY(1);
    background: var(--primary-light);
  }
}

/* ===== PARTICLE EFFECT ===== */
.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: particle-float 8s infinite linear;
  opacity: 0.3;
}

@keyframes particle-float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* ===== ENHANCED BUTTON ANIMATIONS ===== */
.btn {
  position: relative;
  overflow: hidden;
  transform: perspective(1px) translateZ(0);
}

.btn::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.3s ease-out;
}

.btn:hover::before {
  transform: scaleX(1);
}

.btn:active {
  transform: scale(0.98);
}