:root {
  --bg-dark: #050505;
  --card-bg: rgba(20, 20, 25, 0.7);
  --accent-primary: #00f2ff;
  --accent-secondary: #7000ff;
  --text-main: #ffffff;
  --text-dim: #a0a0b0;
  --glass-border: rgba(255, 255, 255, 0.1);
  --gradient-main: linear-gradient(
    135deg,
    var(--accent-primary),
    var(--accent-secondary)
  );
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Space Grotesk", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Background Glow (Restored from previous version) --- */
.background-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(0, 242, 255, 0.08) 0%,
    transparent 50%
  );
  pointer-events: none;
  z-index: -1;
  transition: background 0.1s ease;
}

/* --- Header --- */
header {
  padding: 1.5rem 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  transition: var(--transition-smooth);
}

header.scrolled {
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(20px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
}

.logo span {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -1px;
}

.nav-btn {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  transition: var(--transition-smooth);
}

.nav-btn:hover {
  background: var(--text-main);
  color: var(--bg-dark);
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

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

.badge-top {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2rem;
  color: var(--accent-primary);
}

.hero h1 {
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -3px;
}

.text-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 1.2rem 2.5rem;
  background: var(--text-main);
  color: var(--bg-dark);
  text-decoration: none;
  border-radius: 100px;
  font-weight: 700;
  font-size: 1.1rem;
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(255, 255, 255, 0.1);
}

/* --- Channels Section --- */
.channels {
  padding: 10rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
}

.channel-card {
  /* Removed perspective */
}

.card-inner {
  background: var(--card-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 32px;
  padding: 2.5rem;
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.channel-card:hover .card-inner {
  transform: translateY(-15px); /* Simple vertical lift instead of tilt */
  border-color: var(--accent-primary);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}

.card-image-container {
  position: relative;
  width: 180px;
  height: 180px;
  margin-bottom: 2rem;
}

.square-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  transition: var(--transition-smooth);
}

.channel-card:hover .square-img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  bottom: -10px;
  right: -10px;
  background: var(--gradient-main);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: 0 5px 15px rgba(0, 242, 255, 0.3);
}

.card-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.card-info p {
  color: var(--text-dim);
  margin-bottom: 2.5rem;
}

.btn-join {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  text-decoration: none;
  border-radius: 20px;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.btn-join:hover {
  background: #25d366;
  border-color: #25d366;
  color: black;
  transform: scale(1.02);
}

.btn-join-telgram:hover {
  background: #00f2ff;
  border-color: #00f2ff;
  color: black;
  transform: scale(1.02);
}

/* --- Footer --- */
footer {
  padding: 5rem 0;
  border-top: 1px solid var(--glass-border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  white-space: pre;
  gap: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.social-icons {
  display: flex;
  gap: 2rem;
}

.social-icons a {
  color: var(--text-dim);
  font-size: 1.5rem;
  transition: var(--transition-smooth);
}

.social-icons a:hover {
  color: var(--accent-primary);
  transform: translateY(-5px);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 3.5rem;
  }
  .channels-grid {
    grid-template-columns: 1fr;
  }
  .card-inner {
    padding: 2rem;
  }
}

@media (max-width: 450px) {
  .hero h1 {
    font-size: 3rem;
  }
  .logo {
    margin-left: -10px;
  }
  .logo span {
    font-size: 1.2rem;
    font-weight: 600;
    white-space: pre;
  }
  .nav-btn {
    padding: 0.5rem 0.8rem;
    margin-left: 10px;
    white-space: pre;
  }
  .badge-top {
    margin-top: 10px;
    font-size: 0.8rem;
  }
  .btn-primary {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  .channels {
    padding: 5rem 0;
  }
  .section-header {
    text-align: center;
    margin-bottom: 4rem;
  }
  .section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }
}