* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

:root {
  --bg: #050608;
  --surface: #0e1116;
  --surface-2: #141922;
  --text: #f4f6fb;
  --muted: #b6c0d3;
  --accent: #66e3ff;
  --accent-soft: rgba(102, 227, 255, 0.22);
  --border: rgba(164, 180, 206, 0.25);
}

body {
  color: var(--text);
  background: #030406 url("images/background.jpg") center center / cover no-repeat fixed;
  min-height: 100vh;
  position: relative;
  animation: pageFadeIn 0.9s ease-out both;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* NAVBAR */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: rgba(8, 10, 14, 0.85);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  backdrop-filter: blur(6px);
  z-index: 100;
}

nav h1 {
  color: #fefefe;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-shadow: 0 2px 0 #000, 0 0 12px var(--accent-soft);
  animation: logoPulse 2.8s ease-in-out infinite;
}

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

.logo {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.12);
}

.cart-icon {
  cursor: pointer;
  font-size: 20px;
  color: var(--text);
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: 0.25s ease;
}

.cart-icon:hover {
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-soft);
}

/* OFFERS */
.offer-ticker {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(6, 10, 16, 0.9);
}

.offer-track {
  display: flex;
  width: max-content;
  gap: 36px;
  padding: 10px 0;
  animation: scrollOffers 26s linear infinite;
}

.offer-track p {
  white-space: nowrap;
  color: #dff8ff;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-shadow: 0 1px 0 #000;
}

/* HERO */
.hero {
  text-align: center;
  padding: 68px 20px;
  background:
    linear-gradient(180deg, rgba(102, 227, 255, 0.08) 0%, transparent 100%),
    linear-gradient(135deg, #07090e, #020304);
  border-bottom: 1px solid var(--border);
}

.hero h2 {
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.05;
  color: #ffffff;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-shadow: 0 3px 0 #000, 0 0 14px rgba(102, 227, 255, 0.45);
  animation: heroPopIn 1s ease-out both, heroGlow 3s ease-in-out infinite 1s;
}

.hero p {
  color: var(--muted);
}

/* PRODUCTS */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 40px;
}

.product {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  padding: 15px;
  border-radius: 12px;
  transition: 0.28s ease;
}

.product:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45), 0 0 18px var(--accent-soft);
}

.product img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #ffffff;
  opacity: 1;
  display: block;
}

.product h3 {
  margin: 10px 0;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #f6fbff;
  text-shadow: 0 2px 0 #000;
  transition: 0.2s ease;
}

.product:hover h3 {
  color: #c9f8ff;
  transform: translateX(2px);
}

.product p {
  color: var(--muted);
  margin-bottom: 10px;
}

.product button {
  background: linear-gradient(90deg, #172133, #20334d);
  border: 1px solid #2f5370;
  padding: 8px 15px;
  color: var(--text);
  cursor: pointer;
  border-radius: 7px;
  transition: 0.2s ease;
}

.product button:hover {
  border-color: var(--accent);
  box-shadow: 0 0 14px var(--accent-soft);
}

/* CART */
.cart {
  position: fixed;
  right: -400px;
  top: 0;
  width: 310px;
  height: 100%;
  background: rgba(10, 12, 17, 0.98);
  border-left: 1px solid var(--border);
  padding: 20px;
  transition: 0.35s ease;
  overflow-y: auto;
}

.cart.active {
  right: 0;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
  color: var(--muted);
}

.cart-item button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  padding: 4px 6px;
}

.checkout {
  width: 100%;
  padding: 10px;
  background: linear-gradient(90deg, #20334d, #274569);
  border: 1px solid #3f6f9e;
  color: var(--text);
  border-radius: 8px;
  margin-top: 12px;
  cursor: pointer;
  transition: 0.2s ease;
}

.checkout:hover {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-soft);
}

/* SUPPORT */
.support {
  margin: 20px 40px 40px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(8, 12, 18, 0.85);
}

.support h2 {
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.support p {
  color: var(--muted);
  margin: 8px 0;
}

.support a {
  color: var(--accent);
  text-decoration: none;
}

.support a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  nav {
    padding: 14px;
  }

  .logo {
    width: 34px;
    height: 34px;
  }

  nav h1 {
    font-size: 18px;
  }

  .offer-track {
    animation-duration: 20s;
  }

  .offer-track p {
    font-size: 12px;
  }

  .support {
    margin: 12px 14px 18px;
    padding: 14px;
  }
}

@keyframes heroPopIn {
  0% {
    opacity: 0;
    transform: scale(0.88) rotate(-1deg);
  }
  60% {
    opacity: 1;
    transform: scale(1.04) rotate(0deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
  }
}

@keyframes heroGlow {
  0%,
  100% {
    text-shadow: 0 3px 0 #000, 0 0 12px rgba(102, 227, 255, 0.35);
  }
  50% {
    text-shadow: 0 3px 0 #000, 0 0 22px rgba(102, 227, 255, 0.7);
  }
}

@keyframes logoPulse {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-1px);
  }
}

@keyframes scrollOffers {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}