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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --accent: #a78bfa;
  --background: #f8f7ff;
  --card-bg: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --border: #e5e7eb;
  --success: #10b981;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
}

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

/* Navigation */
nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.8;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

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

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.nav-button {
  background: var(--primary);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 0.5rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s ease, transform 0.2s ease;
}

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

/* Hero Section */
.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(167, 139, 250, 0.05) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-content h1 .highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

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

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

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

.profile-placeholder {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(167, 139, 250, 0.1) 100%);
  border-radius: 1.5rem;
  border: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 3rem;
  color: var(--text-secondary);
}

.profile-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1.5rem;
}

/* Section */
section {
  padding: 4rem 0;
}

section h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-align: center;
}

section > .container > p {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.card {
  background: var(--card-bg);
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
  border-color: var(--primary);
}

.card-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(167, 139, 250, 0.1) 100%);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
}

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

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.card-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
}

.card-link {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Sections Background */
section:nth-child(even) {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, rgba(167, 139, 250, 0.02) 100%);
}

/* Footer */
footer {
  background: var(--text-primary);
  color: white;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

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

footer h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

footer ul {
  list-style: none;
}

footer li {
  margin-bottom: 0.5rem;
}

footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    gap: 1rem;
    font-size: 0.9rem;
  }

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

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  section h2 {
    font-size: 2rem;
  }

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

  .profile-placeholder {
    width: 250px;
    height: 250px;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 2rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.hidden {
  display: none;
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 0.75rem;
  margin-bottom: 1rem;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 0.75rem;
}

.post-meta {
  display: flex;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.post-content {
  line-height: 1.8;
  color: var(--text-secondary);
}

.post-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.8rem;
  text-align: left;
}

.post-content p {
  margin-bottom: 1rem;
}