:root {
  --primary: #FF6B35;
  --primary-light: #FF8E53;
  --primary-dark: #E85A2C;
  --secondary: #2D93AD;
  --accent: #7B6CF6;
  --dark: #1A1A2E;
  --darker: #0D0C1D;
  --light: #F5F5F5;
  --gray: #8A8A8A;
  --success: #4CAF50;
  --warning: #FFC107;
  --error: #F44336;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
  --radius: 12px;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

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

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--light);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
  transition: var(--transition);
}

body.dark-theme {
  background-color: var(--darker);
  color: var(--light);
}

h1,
h2,
h3,
h4,
h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  margin-bottom: 1rem;
}

.notification-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(13, 12, 29, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(10px);
  padding: 20px;
}

.notification-box {
  background: var(--light);
  padding: 40px;
  border-radius: var(--radius);
  max-width: 600px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-hover);
  animation: slideUp 0.5s ease-out;
  border-top: 5px solid var(--primary);
}

body.dark-theme .notification-box {
  background: var(--dark);
}

.notification-title {
  font-size: 28px;
  color: var(--error);
  margin-bottom: 20px;
}

.notification-content {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--dark);
}

body.dark-theme .notification-content {
  color: var(--light);
}

.notification-content a {
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.notification-content a:hover {
  text-decoration: underline;
}

.notification-button {
  background: var(--primary);
  color: white;
  border: none;
  padding: 14px 32px;
  font-size: 16px;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.notification-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 15px 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

body.dark-theme .navbar {
  background: rgba(26, 26, 46, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 22px;
  color: var(--primary);
  text-decoration: none;
}

.logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

body.dark-theme .nav-links a {
  color: var(--light);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.theme-toggle {
  background: var(--light);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

body.dark-theme .theme-toggle {
  background: var(--dark);
}

.theme-toggle:hover {
  transform: rotate(15deg);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 5% 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, rgba(123, 108, 246, 0.1) 70%, transparent 100%);
  z-index: -1;
}

.hero-content {
  max-width: 650px;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--gray);
  margin-bottom: 40px;
  font-weight: 400;
}

body.dark-theme .hero-subtitle {
  color: #A0A0A0;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

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

body.dark-theme .btn-secondary {
  color: var(--light);
}

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

.about-section {
  padding: 100px 5%;
  background: white;
  position: relative;
}

body.dark-theme .about-section {
  background: var(--dark);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient);
  border-radius: 2px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.about-card {
  background: var(--light);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

body.dark-theme .about-card {
  background: #232339;
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.about-icon {
  font-size: 50px;
  margin-bottom: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.features-section {
  padding: 100px 5%;
  background: #F9F9F9;
}

body.dark-theme .features-section {
  background: #161625;
}

.features-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 25px;
  background: white;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

body.dark-theme .tab-btn {
  background: #232339;
  color: var(--light);
}

.tab-btn.active {
  background: var(--gradient);
  color: white;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

.commands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.command-card {
  background: white;
  padding: 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

body.dark-theme .command-card {
  background: #232339;
}

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

.command-card h4 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.command-list {
  list-style: none;
}

.command-list li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  gap: 10px;
}

body.dark-theme .command-list li {
  border-bottom: 1px solid #333;
}

.command-list li:last-child {
  border-bottom: none;
}

.command-list code {
  background: #F5F5F5;
  padding: 4px 8px;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
  font-size: 0.9rem;
}

body.dark-theme .command-list code {
  background: #2D2D47;
}

.progress-section {
  padding: 100px 5%;
  background: white;
}

body.dark-theme .progress-section {
  background: var(--dark);
}

.progress-item {
  margin-bottom: 40px;
}

.progress-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.progress-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow);
}

body.dark-theme .progress-icon {
  background: #232339;
}

.progress-title {
  font-size: 1.3rem;
}

.progress-bar-container {
  height: 10px;
  background: #F0F0F0;
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 10px;
}

body.dark-theme .progress-bar-container {
  background: #2D2D47;
}

.progress-bar {
  height: 100%;
  border-radius: 5px;
  background: var(--gradient);
  width: 0;
  transition: width 1.5s ease-in-out;
}

.progress-value {
  text-align: right;
  font-weight: 600;
  color: var(--primary);
}

footer {
  background: var(--dark);
  color: white;
  padding: 60px 5% 30px;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  text-align: left;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
  display: inline-block;
}

.footer-description {
  color: #A0A0A0;
  margin-bottom: 20px;
}

.footer-links h4 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

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

.footer-links a {
  color: #A0A0A0;
  text-decoration: none;
  transition: var(--transition);
}

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

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #2D2D47;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.copyright {
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid #2D2D47;
  color: #A0A0A0;
}

@media (max-width: 768px) {
  .navbar {
    padding: 15px;
  }

  .nav-links {
    display: none;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .footer-links {
    text-align: center;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}