:root {
  --ink: #07131a;
  --panel: rgba(8, 28, 36, 0.82);
  --line: rgba(94, 234, 212, 0.22);
  --mint: #5eead4;
  --sky: #38bdf8;
  --ember: #f59e0b;
  --ember-deep: #d97706;
  --text: #e8f6f4;
  --muted: #9bb8b4;
  --danger: #fb7185;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Nunito", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(56, 189, 248, 0.28), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(245, 158, 11, 0.18), transparent 50%),
    linear-gradient(160deg, #031016 0%, #0a2430 45%, #071820 100%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(94, 234, 212, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 234, 212, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
  z-index: 0;
}

.hero,
main,
footer {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  padding: 4.5rem 0 1.5rem;
}

.brand {
  margin: 0 0 0.75rem;
  font-family: "Orbitron", sans-serif;
  font-weight: 800;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  letter-spacing: 0.04em;
  line-height: 0.95;
  background: linear-gradient(100deg, var(--mint) 0%, var(--sky) 45%, var(--ember) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-transform: uppercase;
  animation: rise 0.7s ease both;
}

.hero h1 {
  margin: 0;
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.1rem, 2.4vw, 1.55rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  animation: rise 0.7s ease 0.08s both;
}

.tagline {
  margin: 0.85rem 0 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.05rem;
  animation: rise 0.7s ease 0.16s both;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  animation: rise 0.7s ease 0.24s both;
}

.search,
.filter {
  display: block;
}

.search {
  flex: 1 1 16rem;
}

.filter {
  flex: 0 1 12rem;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  padding: 0.85rem 1.1rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.18);
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--mint) 50%),
    linear-gradient(135deg, var(--mint) 50%, transparent 50%);
  background-position:
    calc(100% - 1.2rem) calc(50% - 0.15rem),
    calc(100% - 0.85rem) calc(50% - 0.15rem);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.4rem;
}

.status {
  margin: 0.5rem 0 1.25rem;
  color: var(--muted);
  min-height: 1.5rem;
}

.status.error {
  color: var(--danger);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1rem;
  padding-bottom: 3rem;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0.85rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(12, 42, 52, 0.9), rgba(6, 22, 30, 0.92));
  box-shadow: var(--shadow);
  text-align: center;
  transform: translateY(8px);
  opacity: 0;
  animation: card-in 0.45s ease forwards;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.55);
}

.card img {
  width: 112px;
  height: 112px;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.35));
  transition: transform 0.25s ease;
}

.card:hover img {
  transform: scale(1.06);
}

.card h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.level {
  display: inline-block;
  margin: 0;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #081018;
  background: linear-gradient(90deg, var(--ember), var(--ember-deep));
}

footer {
  padding: 0 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 3rem;
  }

  .controls {
    flex-direction: column;
  }

  .filter {
    flex-basis: auto;
  }
}