/* Variables */
:root {
  --bg: #050505;
  --surface: #111112;
  --primary: #7000ff;
  --accent: #00f2ff;
  --white: #ffffff;
  --gray: #808080;
  --border: rgba(255, 255, 255, 0.08);
}

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

/* Base */
body {
  background-color: var(--bg);
  color: var(--white);
  font-family: 'Plus Jakarta Sans', sans-serif;
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 25px;
}

/* Header */
header {
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
}

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

.logo {
  font-size: 1.7rem;
  font-weight: 800;
}

.logo span {
  color: var(--primary);
}

.search-box {
  width: 45%;
}

.search-box input {
  width: 100%;
  padding: 14px 25px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: white;
  outline: none;
}

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

/* Hero */
.hero-section {
  padding: 120px 0;
  background: radial-gradient(circle at 90% 10%, #1a0033 0%, var(--bg) 60%);
}

.hero-content h1 {
  font-size: 4.5rem;
  line-height: 1;
  margin: 20px 0;
}

.hero-content h1 span {
  color: var(--primary);
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 600px;
  margin-bottom: 40px;
}

/* Benefits */
.benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: -60px;
}

.benefit-card {
  background: var(--surface);
  padding: 30px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* Store Tabs */
.shop-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 100px 0 40px;
}

.tab {
  background: none;
  border: 1px solid var(--border);
  color: white;
  padding: 10px 25px;
  border-radius: 50px;
  cursor: pointer;
  margin-left: 10px;
}

.tab.active {
  background: var(--primary);
  border-color: var(--primary);
}

/* 3D Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
  perspective: 1500px;
  padding-bottom: 120px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 30px;
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
}

.card img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  transform: translateZ(60px);
  margin-bottom: 20px;
}

.price {
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 800;
  transform: translateZ(40px);
  display: block;
}

.add-btn {
  width: 100%;
  margin-top: 25px;
  padding: 16px;
  background: var(--white);
  color: #000;
  border-radius: 14px;
  border: none;
  font-weight: 800;
  cursor: pointer;
}

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

/* Footer */
footer {
  padding: 100px 0 50px;
  border-top: 1px solid var(--border);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 60px;
}