/* Base Styles */
:root {
  --primary-color: #4a6fa5;
  --secondary-color: #6c757d;
  --accent-color: #e74c3c;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --text-color: #333;
  --border-color: #dee2e6;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f5f7fa;
}

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

a:hover {
  color: #3a5a8c;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.5rem;
  color: var(--primary-color);
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #3a5a8c;
  color: white;
}

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

.btn-secondary:hover {
  background-color: #5a6268;
  color: white;
}

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

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

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

.btn-danger:hover {
  background-color: #bd2130;
}

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Header */
.header {
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 15px 0;
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo-img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

.logo h1 {
  font-size: 1.8rem;
  color: var(--primary-color);
}

.main-nav ul {
  display: flex;
}

.main-nav li {
  margin-left: 20px;
}

.main-nav a {
  color: var(--text-color);
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 3px;
}

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

.user-section {
  display: flex;
  align-items: center;
}

.user-section button {
  margin-left: 10px;
}

.welcome-text {
  margin-right: 15px;
  font-weight: 500;
}

.mobile-menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  z-index: 99;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.mobile-menu.active {
  transform: translateY(0);
}

.mobile-menu ul {
  padding: 20px;
}

.mobile-menu li {
  margin-bottom: 15px;
}

.mobile-menu a {
  display: block;
  padding: 10px;
  color: var(--text-color);
  font-weight: 500;
  border-radius: 5px;
}

.mobile-menu a:hover {
  background-color: #f5f7fa;
  color: var(--primary-color);
}

/* Hero Section */
.hero-section {
  padding: 80px 0;
  background-color: #f0f4f8;
}

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

.hero-content {
  flex: 1;
  padding-right: 40px;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

.hero-image {
  flex: 1;
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* About Section */
.about-section {
  padding: 80px 0;
  background-color: white;
}

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

.about-text {
  flex: 1;
  padding-right: 40px;
}

.about-text p {
  margin-bottom: 20px;
}

.about-text ul {
  margin-top: 20px;
}

.about-text li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.about-text li i {
  color: var(--success-color);
  margin-right: 10px;
}

.about-image {
  flex: 1;
  text-align: center;
}

.about-image img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

/* Company Section */
.company-section {
  padding: 80px 0;
  background-color: #f0f4f8;
}

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

.company-image {
  flex: 1;
  text-align: center;
  padding-right: 40px;
}

.company-image img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.company-text {
  flex: 1;
}

.company-text p {
  margin-bottom: 20px;
}

.company-stats {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
  flex: 1;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 5px;
}

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

/* Packages Section */
.packages-section {
  padding: 80px 0;
  background-color: white;
}

.tab-bar {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.tab-button {
  padding: 10px 20px;
  margin: 0 5px;
  background-color: #f0f4f8;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.tab-button-active {
  background-color: var(--primary-color);
  color: white;
}

.packages-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.package-card {
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}

.package-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.package-image-container {
  position: relative;
  height: 180px;
  background-color: #f0f4f8;
}

.package-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.package-name-container {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 15px;
}

.package-name {
  color: white;
  font-size: 1.2rem;
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.package-content {
  padding: 20px;
}

.package-description {
  margin-bottom: 15px;
  color: var(--text-color);
  font-size: 0.9rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}

.package-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.package-price-free {
  color: var(--success-color);
  font-weight: 600;
}

.package-price-container {
  display: flex;
  flex-direction: column;
}

.package-price {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.package-count {
  font-size: 0.8rem;
  color: var(--secondary-color);
}

.download-indicator {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  color: var(--secondary-color);
}

.download-icon {
  margin-right: 5px;
}

.download-icon.downloaded, .download-text.downloaded {
  color: var(--success-color);
}

/* Contact Section */
.contact-section {
  padding: 80px 0;
  background-color: #f0f4f8;
}

.contact-content {
  display: flex;
  justify-content: space-between;
}

.contact-info {
  flex: 1;
  padding-right: 40px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 15px;
  margin-top: 5px;
}

.contact-item h3 {
  margin-bottom: 5px;
  color: var(--primary-color);
}

.social-media {
  display: flex;
  margin-top: 30px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  margin-right: 15px;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: #3a5a8c;
  transform: translateY(-3px);
}

.contact-form {
  flex: 1;
  background-color: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Footer */
.footer {
  background-color: var(--dark-color);
  color: white;
  padding: 60px 0 20px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

.footer-logo h2 {
  font-size: 1.5rem;
  color: white;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
}

.footer-links-column {
  margin-right: 40px;
  margin-bottom: 20px;
}

.footer-links-column h3 {
  margin-bottom: 15px;
  color: #adb5bd;
  font-size: 1.1rem;
}

.footer-links-column ul li {
  margin-bottom: 10px;
}

.footer-links-column a {
  color: #dee2e6;
  transition: var(--transition);
}

.footer-links-column a:hover {
  color: white;
}

.app-download-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.app-download-button {
  display: flex;
  align-items: center;
  background-color: #495057;
  color: white;
  padding: 8px 15px;
  border-radius: 5px;
  transition: var(--transition);
}

.app-download-button i {
  font-size: 1.2rem;
  margin-right: 10px;
}

.app-download-button:hover {
  background-color: #6c757d;
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #495057;
  color: #adb5bd;
  font-size: 0.9rem;
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background-color: white;
  border-radius: 10px;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  margin: 0;
  color: var(--primary-color);
}

.close {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--secondary-color);
  transition: var(--transition);
}

.close:hover {
  color: var(--danger-color);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 20px;
  border-top: 1px solid var(--border-color);
  text-align: right;
}

.modal-footer button {
  margin-left: 10px;
}

.modal-switch {
  text-align: center;
  margin-top: 15px;
  font-size: 0.9rem;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.checkbox-container {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.checkbox-container input {
  margin-right: 5px;
}

.forgot-password {
  color: var(--primary-color);
}

.error-message {
  color: var(--danger-color);
  margin-top: 10px;
  font-size: 0.9rem;
}

/* Package Modal Specific Styles */
.package-modal {
  max-width: 600px;
}

.package-modal-image-container {
  text-align: center;
  margin-bottom: 20px;
}

.package-modal-image {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  margin-bottom: 15px;
}

.package-modal-name {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.package-modal-description {
  margin-bottom: 20px;
}

.package-size {
  font-size: 0.9rem;
  color: var(--secondary-color);
  margin-top: 10px;
}

.package-modal-info {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.package-modal-price-free {
  color: var(--success-color);
  font-weight: 600;
  font-size: 1.2rem;
}

.package-modal-price-container {
  text-align: center;
}

.package-modal-price {
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.5rem;
  display: block;
}

.package-modal-count {
  font-size: 0.9rem;
  color: var(--secondary-color);
}

.login-required-message {
  text-align: center;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-section .container,
  .about-content,
  .company-content,
  .contact-content {
    flex-direction: column;
  }
  
  .hero-content,
  .about-text,
  .company-text,
  .contact-info {
    padding-right: 0;
    margin-bottom: 40px;
  }
  
  .company-image {
    order: -1;
    padding-right: 0;
    margin-bottom: 40px;
  }
  
  .packages-container {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .main-nav,
  .user-section {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-menu {
    display: block;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .company-stats {
    flex-direction: column;
    gap: 20px;
  }
  
  .footer-content {
    flex-direction: column;
  }
  
  .footer-links {
    margin-top: 30px;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }
  
  .hero-buttons .btn {
    width: 100%;
    text-align: center;
  }
  
  .packages-container {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 95%;
  }
}