:root {
  --bg: #0a0c10;
  --bg-muted: #12161f;
  --text: #f4f4f8;
  --text-soft: #b8c0d0;
  --accent: #7a96b8;
  --accent-hover: #94aed0;
  --border: #2a3344;
  --max-width: 960px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: radial-gradient(ellipse at top, #151b28 0%, var(--bg) 55%);
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-hover);
}

code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92em;
  background: var(--bg-muted);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(10, 12, 16, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.nav-brand {
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

.nav-link {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-link:hover {
  color: var(--text);
}

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
  display: grid;
  gap: 2rem;
}

@media (min-width: 820px) {
  .hero {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    padding-top: 2.5rem;
  }
}

.hero-media {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-copy h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 4vw, 2.25rem);
  line-height: 1.15;
}

.lead {
  margin: 0 0 1.25rem;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.steam-note {
  margin: 0 0 1rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.steam-badge {
  display: inline-block;
  margin-right: 0.35rem;
  padding: 0.1em 0.45em;
  border-radius: 4px;
  background: #1b2838;
  color: #c7d5e0;
  font-size: 0.8rem;
  font-weight: 600;
  vertical-align: middle;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-steam {
  background: linear-gradient(180deg, #4c6b8a 0%, #3d5873 100%);
  color: var(--text);
  border-color: #5a7898;
}

.btn-steam:not(.btn-disabled):hover {
  background: linear-gradient(180deg, var(--accent-hover) 0%, var(--accent) 100%);
}

.btn-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}

.section-muted {
  background: var(--bg-muted);
  border-block: 1px solid var(--border);
  max-width: none;
}

.section-muted > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.section h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
}

.section-note {
  margin: 0 0 1.25rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.about-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 720px) {
  .about-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-grid p {
  margin: 0;
  color: var(--text-soft);
}

.screenshot-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .screenshot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.screenshot-card {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #000;
}

.screenshot-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.screenshot-card figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  color: var(--text-soft);
  border-top: 1px solid var(--border);
}

.requirements {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  .requirements {
    grid-template-columns: 1fr 1fr;
  }
}

.requirements h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--accent-hover);
}

.requirements ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
}

.platform-note {
  margin: 1.25rem 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0 0 0.5rem;
}

.footer-note {
  font-size: 0.85rem;
  opacity: 0.85;
}