:root {
  --bg: #050505;
  --surface: #121212;
  --surface-hover: #1a1a1a;
  --primary: #f59e0b;
  --primary-glow: rgba(245, 158, 11, 0.2);
  --text: #ffffff;
  --muted: #9ca3af;
  --border: rgba(255, 255, 255, 0.05);
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.05) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 20%),
    linear-gradient(rgba(5, 5, 5, 0.9), rgba(5, 5, 5, 0.9)),
    url('https://www.transparenttextures.com/patterns/carbon-fibre.png'),
    radial-gradient(circle at 50% -20%, #1e1b12 0%, #050505 50%);
  background-image: 
    linear-gradient(rgba(5, 5, 5, 0.9), rgba(5, 5, 5, 0.9)),
    url('https://www.transparenttextures.com/patterns/carbon-fibre.png'),
    radial-gradient(circle at 50% -20%, #1e1b12 0%, #050505 50%);
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  background-image: radial-gradient(circle at 50% -20%, #1e1b12 0%, #050505 50%);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.hero {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  z-index: -1;
  opacity: 0.5;
}
  padding: 80px 0 60px;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 15px;
  background: linear-gradient(to bottom, #fff, #999);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 30px;
  margin-top: 20px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius);
  transition: all 0.2s;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--surface);
  color: var(--text);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  border-color: rgba(245, 158, 11, 0.3);
}

.nav-links a {
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--primary) !important;
}

@media (max-width: 900px) {
  .nav-links {
    display: none !important;
  }
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  animation: cardFadeIn 0.6s ease forwards;
  opacity: 0;
}

@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: 0 15px 40px -10px var(--primary-glow), 0 0 20px rgba(245, 158, 11, 0.1);
  transform: translateY(-5px);
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 10px 30px -10px var(--primary-glow);
}

.badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--primary);
  color: #000;
  font-size: 10px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 99px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  transition: 0.2s;
}

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

.card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: #1a1a1a;
  border-radius: 8px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
}

.card-img img {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.4));
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card:hover .card-img img {
  transform: scale(1.15) rotate(5deg);
  filter: drop-shadow(0 0 25px rgba(245, 158, 11, 0.7));
}

.card-img::after {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.05), transparent);
  transform: translateX(-100%);
  transition: 0.5s;
}

.card:hover .card-img::after {
  transform: translateX(100%);
}
  width: 100%;
  aspect-ratio: 16/9;
  background: #1a1a1a;
  border-radius: 8px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
}

.price {
  font-size: 20px;
  font-weight: 800;
  margin: 15px 0;
  color: var(--primary);
}

.btn {
  background: var(--primary);
  color: #000;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  transition: 0.2s;
}

.btn:hover {
  filter: brightness(1.1);
  transform: scale(1.02);
}

.ip-badge {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
}

.ip-badge:hover {
  border-color: var(--primary);
}

.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.login-box label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 700;
}

.login-box input {
  width: 100%;
  background: #000;
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 8px;
  color: white;
  outline: none;
  font-size: 14px;
  margin-bottom: 12px;
  transition: 0.3s;
}

.login-box input:focus {
  border-color: var(--primary);
}

.goal-container {
  margin-top: 30px;
  background: var(--surface);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.goal-bar {
  height: 8px;
  background: #222;
  border-radius: 4px;
  margin: 12px 0;
  overflow: hidden;
}

.goal-progress {
  height: 100%;
  background: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
  width: 75%;
}

@media (max-width: 768px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-nav {
    order: 2;
  }
  .hero h1 {
    font-size: 32px;
  }
}