@font-face {
  font-family: "Archivo";
  src: url("/assets/fonts/Archivo-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Rajdhani";
  src: url("/assets/fonts/Rajdhani-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Oxanium";
  src: url("/assets/fonts/Oxanium-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0b1016;
  --bg-2: #0e151e;
  --panel: #121a23;
  --panel-2: #1a2632;
  --text: #e8f1f7;
  --silver: #cdd9e2;
  --muted: #a9bbc9;
  --dim: #98acbc;
  --line: #344553;
  --line-2: #6d8598;
  --accent: #379bff;
  --accent-soft: rgba(55, 155, 255, 0.12);
  --cyan: #56d9f5;
  --cyan-soft: rgba(86, 217, 245, 0.12);
  --amber: #f2c46d;
  --amber-soft: rgba(242, 196, 109, 0.12);
  --edge-light: #49677e;
  --edge-dark: #050b12;
  --control-face: linear-gradient(180deg, #172a3a, #09131e);
  --control-hover: linear-gradient(180deg, #253f54, #142b3e);
  --heading: "Rajdhani", "Arial Narrow", ui-sans-serif, sans-serif;
  --action: "Oxanium", ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --gutter: clamp(18px, 5vw, 72px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Archivo", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--heading);
  font-weight: 700;
  color: var(--silver);
  text-wrap: balance;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 7.4vw, 6.6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.35rem;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  color: var(--cyan);
}

img {
  max-width: 100%;
}

::selection {
  background: #245577;
  color: #fff;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

/* Header */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px var(--gutter);
  background: rgba(11, 16, 22, 0.96);
  border-bottom: 1px solid var(--edge-light);
  box-shadow: 0 1px 0 var(--edge-dark);
  backdrop-filter: blur(12px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-weight: 750;
}

.brand-mark {
  display: block;
  width: 100px;
  height: 44px;
  object-fit: contain;
  flex: none;
}

.nav-links {
  gap: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  transition: color 80ms ease;
}

.nav-links a:hover {
  color: var(--cyan);
}

.nav-links a:active {
  color: var(--text);
}

.nav-links .nav-cta {
  padding: 8px 16px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  background: var(--control-face);
  box-shadow: inset 0 1px 0 var(--edge-light), inset 0 -1px 0 var(--edge-dark);
  color: var(--text);
  font-family: var(--action);
}

.nav-links .nav-cta:hover {
  border-color: var(--cyan);
  background: var(--control-hover);
}

.nav-links .nav-cta:active {
  background: #102c3d;
  box-shadow: inset 0 1px 2px var(--edge-dark);
}

/* Hero */

.hero {
  position: relative;
  min-height: 94svh;
  padding-top: 130px;
  display: grid;
  align-items: end;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media,
.hero-shade,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 13, 21, 0.94), rgba(7, 13, 21, 0.7) 48%, rgba(7, 13, 21, 0.12)),
    linear-gradient(0deg, var(--bg), rgba(7, 13, 21, 0) 40%);
}

.hero-grid {
  background-image:
    linear-gradient(rgba(86, 217, 245, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(86, 217, 245, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, black, transparent 70%);
}

.hero-content {
  position: relative;
  width: min(900px, calc(100% - 2 * var(--gutter)));
  margin: 0 var(--gutter) 12vh;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-family: var(--action);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "— ";
  color: var(--dim);
}

.hero-copy {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.9vw, 1.3rem);
}

.hero-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding: 0;
  list-style: none;
}

.chip-row li {
  padding: 6px 11px;
  border: 1px solid var(--line-2);
  background: rgba(13, 21, 29, 0.9);
  box-shadow: inset 0 1px 2px var(--edge-dark);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
}

/* Buttons */

.button {
  --button-fill: var(--control-face);
  --button-edge: var(--line-2);
  display: inline-flex;
  position: relative;
  isolation: isolate;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 23px;
  color: var(--text);
  font-family: var(--action);
  font-size: 0.92rem;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
}

/* Clip only the two material layers, leaving the keyboard focus ring intact. */
.button::before,
.button::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.button::before {
  inset: 0;
  background: var(--button-edge);
  clip-path: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
}

.button::after {
  inset: 1px;
  background: var(--button-fill);
  box-shadow: inset 0 1px 0 var(--edge-light), inset 0 -1px 0 var(--edge-dark);
  clip-path: polygon(3px 0, 100% 0, 100% calc(100% - 3px), calc(100% - 3px) 100%, 0 100%, 0 3px);
  transition: background 80ms ease;
}

.button.primary {
  --button-edge: var(--accent);
  --button-fill: linear-gradient(180deg, #1d415e, #10273c);
}

.button:hover {
  --button-edge: var(--cyan);
  --button-fill: var(--control-hover);
}

.button:active {
  --button-edge: var(--cyan);
  --button-fill: #102c3d;
}

.button:active::after {
  box-shadow: inset 0 2px 3px var(--edge-dark);
}

.button[aria-disabled="true"] {
  --button-edge: var(--line);
  --button-fill: var(--panel);
  color: var(--dim);
  cursor: default;
}

.button[aria-disabled="true"]::after {
  box-shadow: none;
}

/* Sections */

.section {
  padding: clamp(64px, 9vw, 112px) var(--gutter);
  border-bottom: 1px solid var(--line);
}

.section.alt {
  background: var(--bg-2);
}

.section-intro {
  max-width: 800px;
  margin-bottom: 40px;
}

.section-intro p,
.copy-stack p {
  color: var(--muted);
  font-size: 1.05rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card-grid + .card-grid {
  margin-top: 14px;
}

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

.card {
  position: relative;
  padding: 22px;
  background: linear-gradient(180deg, #18232e, var(--panel) 58px);
  border: 1px solid var(--line);
  border-top-color: var(--edge-light);
  box-shadow: inset 0 -1px 0 var(--edge-dark);
  border-radius: 2px 2px 6px 2px;
}

.card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.card .tag {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Unit Editor showcase */

.editor-head {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 18px;
}

.editor-icon {
  width: 84px;
  height: 84px;
  flex: none;
}

.editor-meta {
  margin: 22px 0 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.feature-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 16px 18px;
  background: var(--panel);
  border-left: 2px solid var(--line-2);
}

.feature-list li:hover {
  border-left-color: var(--accent);
}

.feature-list strong {
  display: block;
  margin-bottom: 2px;
}

.feature-list span {
  color: var(--muted);
  font-size: 0.95rem;
}

.side-note {
  margin-top: 26px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: #0d151d;
  color: var(--muted);
  font-size: 0.95rem;
}

.side-note strong {
  color: var(--text);
}

/* Multiplayer diagram */

.topology {
  display: grid;
  gap: 14px;
  padding: 26px;
  background: linear-gradient(180deg, #18232e, var(--panel) 58px);
  border: 1px solid var(--line);
  border-top-color: var(--edge-light);
  font-family: var(--mono);
  font-size: 0.82rem;
}

.topology-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.node {
  padding: 12px;
  border: 1px solid var(--line-2);
  color: var(--muted);
  text-align: center;
}

.node.server {
  grid-column: 1 / -1;
  border-color: var(--accent);
  background: #173649;
  color: var(--text);
}

.node small {
  display: block;
  margin-top: 4px;
  color: var(--dim);
}

.link-label {
  color: var(--dim);
  text-align: center;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.check-list li::before {
  content: "+";
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
}

.check-list strong {
  color: var(--text);
}

/* File formats */

.format-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.format-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.format-table caption {
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 700;
  text-align: left;
}

.format-table th,
.format-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.format-table th {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.format-table td:first-child {
  white-space: nowrap;
  font-family: var(--mono);
  color: var(--cyan);
}

.format-table td:nth-child(2) {
  color: var(--muted);
}

.badge {
  display: inline-block;
  padding: 2px 7px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.badge.rw {
  background: var(--accent-soft);
  color: var(--accent);
}

.badge.r {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.badge.dev {
  background: var(--amber-soft);
  color: var(--amber);
}

/* Technology */

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tech-group {
  padding: 20px;
  background: linear-gradient(180deg, #18232e, var(--panel) 58px);
  border: 1px solid var(--line);
  border-top-color: var(--edge-light);
  box-shadow: inset 0 -1px 0 var(--edge-dark);
  border-radius: 2px 2px 6px 2px;
}

.tech-group p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.tech-group h3 {
  color: var(--cyan);
  font-family: var(--action);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tech-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.tech-group li {
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.93rem;
}

.tech-group li:last-child {
  border-bottom: 0;
}

.tech-group li b {
  color: var(--text);
  font-weight: 650;
}

/* Download page */

.download-page {
  padding-top: 73px;
}

.download-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: clamp(80px, 11vw, 132px) var(--gutter) clamp(56px, 7vw, 88px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(7, 13, 21, 0.97), rgba(7, 13, 21, 0.8)),
    url("/assets/aex-menu-warroom.png") center / cover;
}

.download-hero h1 {
  max-width: 860px;
}

.download-icon {
  width: clamp(140px, 18vw, 220px);
  height: auto;
}

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 28px var(--gutter);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.site-footer nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-footer a:hover {
  color: var(--text);
}

@media (max-width: 1180px) {
  .nav-links {
    gap: 16px;
    font-size: 0.88rem;
  }
}

@media (max-width: 1080px) {
  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .format-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1040px) {
  html {
    scroll-padding-top: 18px;
  }

  .site-header {
    position: relative;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .brand-mark {
    width: 88px;
    height: 38px;
  }

  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0 18px;
    width: 100%;
    font-size: 0.86rem;
  }

  .nav-links .nav-cta {
    min-height: 40px;
    margin: 2px 0;
    padding: 6px 14px;
  }

  .hero {
    min-height: 650px;
    padding-top: 70px;
  }

  .hero-content {
    margin-bottom: 64px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(7, 13, 21, 0.95), rgba(7, 13, 21, 0.65)),
      linear-gradient(0deg, var(--bg), transparent 60%);
  }

  .card-grid,
  .card-grid.two,
  .split,
  .tech-grid,
  .download-hero {
    grid-template-columns: 1fr;
  }

  .download-page {
    padding-top: 0;
  }

  .download-icon {
    display: none;
  }

  .format-table th,
  .format-table td {
    padding: 8px 6px;
  }

  .format-table td:first-child,
  .badge {
    white-space: normal;
  }
}

@media (max-width: 420px) {
  .hero-actions,
  .download-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .topology {
    padding: 18px;
  }

  .topology-row {
    grid-template-columns: 1fr;
  }

  .editor-head {
    align-items: flex-start;
    gap: 14px;
  }

  .editor-icon {
    width: 60px;
    height: 60px;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (forced-colors: active) {
  .button,
  .nav-links .nav-cta,
  .card,
  .tech-group,
  .topology,
  .node {
    border: 1px solid ButtonText;
    box-shadow: none;
  }

  .hero-grid,
  .button::before,
  .button::after {
    display: none;
  }
}