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

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: #0b1420;
  color: #eef3f6;
  line-height: 1.6;
}

header {
  background: #0f1d2b;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #2dd4bf;
  position: sticky;
  top: 0;
  z-index: 10;
}

header .logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
}

header .logo span { color: #2dd4bf; }

nav a {
  color: #c3cfd9;
  text-decoration: none;
  margin-left: 28px;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s;
}

nav a:hover { color: #2dd4bf; }

.hero {
  padding: 80px 40px;
  text-align: center;
  background: linear-gradient(180deg, #12222f 0%, #0b1420 100%);
}

.hero h1 {
  font-size: 42px;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.hero h1 span { color: #ff7a59; }

.hero p {
  color: #93a4b3;
  font-size: 16px;
  max-width: 500px;
  margin: 0 auto;
}

.catalog {
  padding: 60px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.catalog h2 {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 40px;
  font-size: 28px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.card {
  background: #10202e;
  border: 1px solid #1c2f3f;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: #2dd4bf;
}

.product-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  background: #0f1d2b;
}

.card-body { padding: 18px; }

.card-body .category {
  font-size: 11px;
  color: #ff7a59;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}

.card-body h3 {
  margin: 8px 0;
  font-size: 17px;
}

.card-body p {
  color: #93a4b3;
  font-size: 13px;
  margin-bottom: 14px;
}

.price {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

footer {
  background: #0f1d2b;
  padding: 40px;
  text-align: center;
  color: #6f8394;
  font-size: 13px;
  border-top: 1px solid #1c2f3f;
  margin-top: 60px;
}

.contact-box {
  max-width: 560px;
  margin: 60px auto;
  padding: 40px;
  background: #10202e;
  border: 1px solid #1c2f3f;
  border-radius: 8px;
}

.contact-box h2 { margin-bottom: 24px; text-transform: uppercase; }

.contact-box label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: #c3cfd9;
  text-transform: uppercase;
}

.contact-box input,
.contact-box textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 18px;
  background: #0b1420;
  border: 1px solid #2a3d4d;
  border-radius: 4px;
  color: #fff;
  font-family: inherit;
}

.contact-box button {
  background: #2dd4bf;
  color: #062521;
  border: none;
  padding: 14px 28px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 4px;
  cursor: pointer;
}

.contact-box button:hover { background: #1fb8a3; }

.msg-success {
  background: #123a2f;
  color: #7fe0b8;
  padding: 14px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.msg-error {
  background: #3a2018;
  color: #ff9a8a;
  padding: 14px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.btn-add-cart {
  width: 100%;
  margin-top: 12px;
  background: #2dd4bf;
  color: #062521;
  border: none;
  padding: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
  border-radius: 4px;
  cursor: pointer;
}

.btn-add-cart:hover { background: #1fb8a3; }

.cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
}

.cart-table th,
.cart-table td {
  padding: 14px;
  text-align: left;
  border-bottom: 1px solid #1c2f3f;
}

.cart-table th {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1px;
  color: #93a4b3;
}

.cart-total {
  text-align: right;
  font-size: 22px;
  font-weight: 800;
  margin-top: 20px;
}

.btn-remove {
  background: transparent;
  border: 1px solid #ff7a59;
  color: #ff7a59;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.btn-remove:hover { background: #ff7a59; color: #10202e; }

.empty-cart {
  text-align: center;
  padding: 60px 20px;
  color: #93a4b3;
}