:root {
  color-scheme: dark;
  --ink: #0d0908;
  --surface: #1c1411;
  --line: rgba(232, 195, 118, 0.17);
  --line-strong: rgba(232, 195, 118, 0.35);
  --paper: #f2e8d7;
  --paper-dim: #bcb1a1;
  --gold: #d9a64b;
  --gold-light: #f2cf82;
  --ember: #d5502d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 320px;
  background: #0e0a09;
  color: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

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

code {
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: rgba(0, 0, 0, 0.24);
  color: var(--gold-light);
  font-size: 0.9em;
  padding: 0.12em 0.38em;
}

.wrap {
  width: min(1180px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.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;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-150%);
  border-radius: 0.4rem;
  background: var(--gold-light);
  color: var(--ink);
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.scrolled {
  border-color: var(--line);
  background: rgba(14, 10, 9, 0.94);
  backdrop-filter: blur(14px);
}

.nav-shell {
  display: flex;
  width: min(1280px, calc(100% - 2.5rem));
  min-height: 5rem;
  align-items: center;
  justify-content: space-between;
  margin-inline: auto;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand img,
.footer-brand img {
  filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.45));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  color: var(--paper-dim);
  font-size: 0.92rem;
  font-weight: 650;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--paper);
}

.nav-toggle {
  display: none;
  width: 2.8rem;
  height: 2.8rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  background: transparent;
}

.nav-toggle span:not(.sr-only) {
  position: absolute;
  width: 1.15rem;
  height: 1px;
  background: var(--paper);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle span:nth-child(2) { transform: translateY(-5px); }
.nav-toggle span:nth-child(4) { transform: translateY(5px); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(4) { transform: rotate(-45deg); }

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 9rem 0 2rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  align-items: center;
}

.hero-copy {
  max-width: 660px;
}

.section-kicker {
  color: var(--gold-light);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-logo {
  margin: 1.3rem 0 0.4rem;
}

.hero h1 {
  max-width: 620px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.75rem, 6vw, 5.2rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.hero-lead {
  max-width: 600px;
  margin: 1.6rem 0 0;
  color: var(--paper-dim);
  font-size: clamp(1.02rem, 1.8vw, 1.17rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: 0.78rem 1.3rem;
  font-size: 0.93rem;
  font-weight: 800;
  transition: border-color 150ms ease, background-color 150ms ease;
}

.button-primary {
  background: var(--gold);
  color: #1a1008;
}

.button-primary:hover {
  background: var(--gold-light);
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--paper);
}

.button-secondary:hover {
  border-color: var(--gold);
}

.hero-note {
  margin: 1rem 0 0;
  color: #857c71;
  font-size: 0.82rem;
}

#release-version:not(:empty)::before {
  content: " · ";
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(4rem, 9vh, 6rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-stats > div {
  display: flex;
  flex-direction: column;
  min-height: 6.4rem;
  justify-content: center;
  border-right: 1px solid var(--line);
  padding: 1rem 1.4rem;
}

.hero-stats > div:first-child {
  border-left: 1px solid var(--line);
}

.hero-stats strong {
  color: var(--gold-light);
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.hero-stats span {
  color: #887e72;
  font-size: 0.8rem;
}

.section {
  padding: clamp(5rem, 10vw, 8rem) 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 3rem;
}

.section-heading h2,
.download-copy h2,
.community h2 {
  margin: 0.4rem 0 1rem;
  font-family: var(--serif);
  font-size: clamp(2.35rem, 5vw, 4.2rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.04;
}

.section-heading > p:last-child,
.download-copy > p,
.community-card > div > p:last-child {
  color: var(--paper-dim);
  font-size: 1.04rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-card {
  min-height: 14rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.7rem;
}

.feature-card > span {
  color: var(--ember);
  font-size: 0.7rem;
  font-weight: 900;
}

.feature-card h3 {
  margin: 2.5rem 0 0.65rem;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  color: #9e9488;
  font-size: 0.92rem;
}

.download {
  border-block: 1px solid var(--line);
  background: #110c0b;
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
}

.download-copy > p {
  max-width: 540px;
}

.legal-chip {
  display: flex;
  max-width: 520px;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  border-left: 2px solid var(--ember);
  padding: 0.8rem 1rem;
  background: rgba(213, 80, 45, 0.05);
  color: #9f9589;
  font-size: 0.84rem;
}

.legal-chip img {
  flex: 0 0 auto;
}

.legal-chip strong {
  color: var(--paper);
}

.platform-picker {
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.platform-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
}

.platform-tabs button {
  min-height: 3.3rem;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: #8b8176;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 750;
}

.platform-tabs button:last-child {
  border-right: 0;
}

.platform-tabs button[aria-selected="true"] {
  color: var(--gold-light);
  box-shadow: inset 0 -2px var(--gold);
}

.platform-panel {
  min-height: 19rem;
  padding: 2rem;
}

.platform-name {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.platform-name span {
  color: var(--ember);
  font-size: 0.7rem;
  font-weight: 900;
}

.platform-name h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.6rem;
}

.platform-name small {
  margin-left: auto;
  color: #756b61;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.platform-panel ol {
  display: grid;
  gap: 0.65rem;
  margin: 1.3rem 0 0;
  padding-left: 1.4rem;
  color: #c5baaa;
  font-size: 0.92rem;
}

.platform-panel li::marker {
  color: var(--gold);
  font-weight: 800;
}

.platform-panel > p {
  margin: 1rem 0 0;
  color: #81766c;
  font-size: 0.82rem;
}

.platform-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  border-top: 1px solid var(--line);
  padding: 1.2rem 2rem;
}

.platform-actions .button {
  min-height: 2.8rem;
  padding: 0.6rem 1rem;
}

.text-link {
  color: var(--paper-dim);
  font-size: 0.85rem;
  font-weight: 700;
}

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

.technology {
  overflow: hidden;
}

.split-heading {
  display: grid;
  max-width: none;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
}

.split-heading h2 {
  margin-bottom: 0;
}

.split-heading > p {
  margin: 0;
}

.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.process article {
  min-height: 14rem;
  border-right: 1px solid var(--line);
  padding: 1.7rem 1.4rem;
}

.process article:first-child {
  border-left: 1px solid var(--line);
}

.process span {
  color: var(--ember);
  font-size: 0.72rem;
  font-weight: 900;
}

.process h3 {
  margin: 3rem 0 0.75rem;
  font-family: var(--serif);
  font-size: 1.45rem;
}

.process p {
  margin: 0;
  color: #91867a;
  font-size: 0.88rem;
}

.architecture-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line-strong);
  padding: 1.2rem 0;
  color: var(--gold-light);
  font-weight: 800;
}

.architecture-link strong {
  font-size: 1.35rem;
  transition: transform 160ms ease;
}

.architecture-link:hover strong {
  transform: translate(3px, -3px);
}

.community {
  padding-top: 0;
}

.community-card {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 5rem;
  border: 1px solid var(--line-strong);
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--surface);
}

.community h2 {
  max-width: 620px;
}

.community-links {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.community-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  color: var(--paper-dim);
  font-weight: 750;
}

.community-links a:first-child {
  border-top: 1px solid var(--line);
}

.community-links a:hover {
  color: var(--gold-light);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 1.5rem;
  background: #090605;
}

.footer-main {
  display: grid;
  grid-template-columns: 0.6fr 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.footer-main > p {
  margin: 0;
  color: #776e65;
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  color: var(--paper-dim);
  font-size: 0.82rem;
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
  color: #5f574f;
  font-size: 0.72rem;
}

@media (max-width: 920px) {
  .nav-toggle {
    position: relative;
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: calc(100% - 0.2rem);
    right: 1.25rem;
    left: 1.25rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line-strong);
    background: rgba(17, 11, 10, 0.98);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    border: 0;
    border-bottom: 1px solid var(--line);
    padding: 0.95rem 1rem;
  }

  .download-layout {
    grid-template-columns: 1fr;
  }

  .download-layout {
    gap: 3rem;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .community-card {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-main {
    grid-template-columns: 1fr 1.4fr;
  }

  .footer-links {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .wrap,
  .nav-shell {
    width: min(100% - 1.5rem, 1180px);
  }

  .nav-shell {
    min-height: 4.4rem;
  }

  .brand span {
    font-size: 1rem;
  }

  .hero-logo {
    margin-top: 1rem;
  }

  .hero-actions,
  .platform-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button,
  .platform-actions .button {
    width: 100%;
  }

  .platform-tabs {
    grid-template-columns: repeat(2, 1fr);
  }

  .platform-tabs button:nth-child(2) {
    border-right: 0;
  }

  .platform-tabs button:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .platform-panel {
    min-height: 22rem;
    padding: 1.4rem;
  }

  .platform-actions {
    padding: 1.1rem 1.4rem;
  }

  .community-card {
    width: calc(100% - 1.5rem);
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-stats,
  .feature-grid,
  .process {
    grid-template-columns: 1fr;
  }

  .hero-stats > div {
    min-height: 4.6rem;
    border-bottom: 1px solid var(--line);
    border-left: 1px solid var(--line);
    padding: 0.75rem 1rem;
  }

  .hero-stats > div:last-child {
    border-bottom: 0;
  }

  .feature-card {
    min-height: 12rem;
  }

  .process article {
    min-height: 11rem;
    border-left: 1px solid var(--line);
  }

  .process article:not(:last-child) {
    border-bottom: 1px solid var(--line);
  }

  .process h3 {
    margin-top: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Hero video and social links */
.hero-grid.wrap {
  width: min(1320px, calc(100% - 3rem));
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 4vw, 4rem);
}

.hero-logo {
  width: min(100%, 540px);
}

.nav-socials {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.social-link {
  display: inline-flex;
  width: 2.35rem;
  height: 2.35rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  color: var(--gold-light);
  transition: border-color 150ms ease, color 150ms ease;
}

.social-link:hover {
  border-color: var(--line-strong);
  color: var(--paper);
}

.social-icon {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
  background: currentColor;
  mask-position: center;
  mask-repeat: no-repeat;
  mask-size: contain;
  -webkit-mask-position: center;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-size: contain;
}

.social-icon-github {
  mask-image: url("assets/github.svg");
  -webkit-mask-image: url("assets/github.svg");
}

.social-icon-discord {
  mask-image: url("assets/discord.svg");
  -webkit-mask-image: url("assets/discord.svg");
}

.hero-video {
  position: relative;
  width: 100%;
  margin: 0;
}

.hero-video-frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: #060403;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.hero-video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero-video figcaption {
  margin-top: 0.6rem;
  color: var(--paper-dim);
  font-size: 0.72rem;
  line-height: 1.5;
}

.hero-video figcaption strong {
  color: var(--paper);
}

@media (max-width: 920px) {
  .hero-grid.wrap {
    grid-template-columns: 1fr;
  }

  .hero-video {
    width: min(100%, 800px);
  }

  .site-nav .nav-socials {
    gap: 0.4rem;
    padding: 0.6rem 0.75rem;
  }

  .site-nav .nav-socials .social-link {
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--line);
    padding: 0;
  }
}

@media (max-width: 620px) {
  .hero-grid.wrap {
    width: min(100% - 1.5rem, 1320px);
  }
}