:root {
  --bg-main: #050505;
  --bg-card: #111116;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --text-light: #ffffff;
  --text-gray: #a1a1aa;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: var(--bg-main);
  color: var(--text-light);
  line-height: 1.6;
}

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

/* Navbar */
.navbar {
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 24px;
  font-weight: 800;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.lang-switch button {
  background: transparent;
  border: none;
  color: var(--text-gray);
  font-weight: 600;
  cursor: pointer;
  padding: 5px 10px;
  transition: 0.3s;
}

.lang-switch button.active {
  color: var(--primary);
}

/* Hero Section */
.hero {
  padding: 150px 20px 80px;
  text-align: center;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, rgba(5, 5, 5, 1) 50%);
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff, #a1a1aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* Key Section */
.key-section {
  padding: 60px 20px;
  text-align: center;
}

.key-box {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 40px;
  border-radius: 20px;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.key-box h2 {
  margin-bottom: 15px;
}

.key-box p {
  color: var(--text-gray);
  margin-bottom: 25px;
}

.instagram-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.ig-btn {
  display: inline-block;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #fff;
  text-decoration: none;
  padding: 12px 25px;
  border-radius: 30px;
  font-weight: 600;
  transition: transform 0.2s;
}

.ig-btn:hover {
  transform: translateY(-3px);
}

/* Download Section */
.download-section {
  padding: 80px 20px;
  text-align: center;
}

.download-section h2 {
  margin-bottom: 40px;
  font-size: 2rem;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.download-card {
  background: var(--bg-card);
  padding: 30px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: 0.3s;
}

.download-card.active-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 15px;
}

.download-card h3 {
  margin-bottom: 20px;
}

.download-btn {
  display: inline-block;
  width: 100%;
  margin-top: 15px;
  padding: 12px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  border: none;
  font-size: 1rem;
}

.active-card .download-btn {
  background: var(--primary);
  color: #fff;
}

.active-card .download-btn:hover {
  background: var(--primary-hover);
}

.locked-card {
  opacity: 0.6;
}

.locked-btn {
  background: #2a2a35;
  color: var(--text-gray);
  cursor: not-allowed;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-gray);
  border-top: 1px solid rgba(255,255,255,0.05);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
}