:root {
  --bg: #0d0f12;
  --bg-soft: #151a1d;
  --panel: #12181d;
  --panel-alt: #1a2227;
  --panel-strong: #1d2b31;
  --text: #f4efe7;
  --muted: #d5d0c2;
  --muted-strong: #b1ab9a;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #de8d37;
  --accent-strong: #f5a44d;
  --shadow: rgba(0, 0, 0, 0.4);
  --max-width: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(222, 141, 55, 0.12), transparent 22%),
    linear-gradient(180deg, #0e1113 0%, #10161a 100%);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.wrap {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
}

.section-shell {
  padding-block: 72px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 13, 15, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: 0.87rem;
  color: var(--muted);
}

.main-nav a {
  transition: opacity 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible { opacity: 0.8; }

.menu-button {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
}

.hero {
  padding-top: 40px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 52px;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow,
.section-heading {
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 800;
  font-size: 0.78rem;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 4vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.lead {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 1.1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  color: var(--muted-strong);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tags span {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.02);
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
  background: linear-gradient(180deg, var(--accent-strong), var(--accent));
  color: #171410;
  border-radius: 12px;
  font-weight: 800;
  padding: 16px 22px;
  box-shadow: 0 16px 30px rgba(222, 141, 55, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.download-button:hover,
.download-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 20px 34px rgba(222, 141, 55, 0.28);
}

.download-button.secondary {
  margin-top: 16px;
  padding: 14px 20px;
}

.hero-visual img {
  width: 100%;
  min-height: 540px;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 28px 60px var(--shadow);
}

.caption {
  margin-top: 14px;
  color: var(--muted-strong);
  font-size: 0.95rem;
}

.content-section {
  border-top: 1px solid var(--line);
}

.content-section h2 {
  margin: 10px 0 22px;
  font-size: clamp(2.1rem, 3vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: end;
}

.about-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 64ch;
}

.about-copy strong {
  color: var(--text);
}

.about-side {
  color: var(--muted-strong);
  font-style: italic;
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.feature-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.feature-card img {
  width: 100%;
  aspect-ratio: 1.7;
  object-fit: cover;
  background: var(--panel-alt);
}

.feature-card h3 {
  margin: 18px 18px 10px;
  font-size: 1.25rem;
}

.feature-card p {
  margin: 0 18px 20px;
  color: var(--muted);
}

.roadmap-intro,
.gallery-intro,
.devlog-intro,
#download p {
  margin-top: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  margin-top: 28px;
}

.roadmap-column {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 22px;
}

.roadmap-tag {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--accent-strong);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.roadmap-tag.alt {
  color: #f0c692;
}

.roadmap-column ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 12px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.gallery-item {
  margin: 0;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  overflow: hidden;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1.4;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 12px 14px 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline {
  margin-top: 22px;
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 18px;
  padding: 22px 22px 18px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
}

.year {
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: 6px;
}

.entry h3 {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.entry p {
  margin: 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.faq-item {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  background: rgba(255,255,255,0.02);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: transparent;
  color: var(--text);
  border: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-plus {
  color: var(--accent-strong);
  font-size: 1.8rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.faq-item.active .faq-plus {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 22px 20px;
  color: var(--muted);
}

.faq-item.active .faq-answer {
  display: block;
}

.download-panel {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  align-items: center;
  margin-top: 24px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 22px;
}

.download-panel img {
  width: 120px;
  height: 120px;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 12px 20px rgba(0,0,0,0.2);
}

.download-panel h3 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}

.download-panel p {
  margin: 0;
  color: var(--muted);
}

.download-panel small {
  display: block;
  margin-top: 14px;
  color: var(--muted-strong);
}

.requirements {
  margin-top: 26px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 22px;
}

.requirements h3 {
  margin: 0 0 18px;
  font-size: 1.4rem;
}

.requirements dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.requirements dl div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
}

.requirements dt {
  font-weight: 800;
  color: var(--text);
}

.requirements dd {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(12,14,16,0.88);
  padding: 28px 0 18px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.brand-mark {
  font-weight: 900;
  letter-spacing: 0.14em;
  font-size: 0.9rem;
  color: var(--text);
}

.footer-brand p {
  margin: 0;
  color: var(--muted-strong);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
}

.footer-bottom {
  margin-top: 16px;
  color: var(--muted-strong);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .hero-inner,
  .about-grid,
  .feature-grid,
  .gallery-grid,
  .roadmap-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .main-nav {
    display: none;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-header.nav-open .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 74px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    background: rgba(17, 22, 25, 0.96);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 18px 16px;
  }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 2.5rem; }
  .feature-grid,
  .gallery-grid { grid-template-columns: 1fr; }
  .download-panel {
    grid-template-columns: 1fr;
    justify-items: start;
  }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}