:root {
  color-scheme: dark;
  --bg: #0d1112;
  --surface: #151b1d;
  --surface-strong: #1d2528;
  --text: #f4f0e8;
  --muted: #aeb9b6;
  --accent: #d7b56d;
  --accent-strong: #f0cf82;
  --cyan: #66d7d1;
  --line: #344044;
  --shadow: rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 82% 6%, rgba(102, 215, 209, 0.09), transparent 28rem),
    radial-gradient(circle at 16% 14%, rgba(215, 181, 109, 0.11), transparent 30rem),
    linear-gradient(180deg, #121719 0%, var(--bg) 45%, #0a0d0e 100%);
  color: var(--text);
  font-family: Inter, "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  line-height: 1.65;
}

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

a:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.site-header {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

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

main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(500px, 1.05fr);
  gap: 64px;
  align-items: center;
  min-height: 760px;
  padding: 72px 0 92px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 22px;
  padding: 5px 10px;
  border: 1px solid rgba(102, 215, 209, 0.36);
  border-radius: 999px;
  color: #baf0ec;
  background: rgba(102, 215, 209, 0.07);
  font-size: 0.8rem;
  font-weight: 700;
}

.status-pill span,
.release-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(102, 215, 209, 0.8);
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(3.1rem, 7vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h1 em {
  color: var(--accent-strong);
  font-style: normal;
}

.lead {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.13rem;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 19px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #181309;
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.03);
}

.button.secondary:hover {
  border-color: #637176;
}

.download-note {
  margin: 14px 0 0;
  color: #83918e;
  font-size: 0.82rem;
}

code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.9em;
}

.quick-stats {
  display: flex;
  gap: 28px;
  margin: 40px 0 0;
}

.quick-stats div {
  padding-right: 28px;
  border-right: 1px solid var(--line);
}

.quick-stats div:last-child {
  padding-right: 0;
  border-right: 0;
}

.quick-stats dt {
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
}

.quick-stats dd {
  margin: 7px 0 0;
  color: #899692;
  font-size: 0.75rem;
}

.module-window {
  overflow: hidden;
  border: 1px solid #465257;
  border-radius: 9px;
  background: rgba(21, 27, 29, 0.96);
  box-shadow: 0 32px 100px var(--shadow), 0 0 0 10px rgba(255, 255, 255, 0.012);
  transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
}

.window-bar,
.window-tools {
  display: grid;
  align-items: center;
  border-bottom: 1px solid #394448;
}

.window-bar {
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  min-height: 64px;
  padding: 0 18px;
  color: #d9dfdd;
  background: linear-gradient(90deg, #20282b, #171d1f);
  font-weight: 700;
}

.window-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: white;
  font-size: 1.05rem;
}

.window-brand i {
  color: var(--accent);
  font-style: normal;
}

.window-close {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid #586469;
  border-radius: 4px;
}

.window-tools {
  grid-template-columns: 1fr auto;
  gap: 18px;
  padding: 14px 18px;
  color: #899692;
  font-size: 0.84rem;
}

.window-tools > span:first-child {
  padding: 8px 12px;
  border: 1px solid #3c484c;
  border-radius: 4px;
  background: #111617;
}

.tool-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #dbe1df;
}

.tool-toggle i {
  width: 15px;
  height: 15px;
  border: 4px solid #1a2022;
  outline: 1px solid var(--accent);
  background: var(--accent);
}

.window-content {
  display: grid;
  grid-template-columns: 155px 1fr;
  min-height: 430px;
}

.categories {
  display: flex;
  flex-direction: column;
  border-right: 1px solid #344044;
  background: #121719;
}

.categories strong,
.categories span {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.055);
}

.categories strong {
  color: #dce2e0;
  font-size: 0.88rem;
}

.categories span {
  color: #9ba7a4;
  font-size: 0.82rem;
}

.categories .active {
  color: white;
  background: linear-gradient(90deg, rgba(215, 181, 109, 0.2), transparent);
  box-shadow: inset 3px 0 var(--accent);
}

.event-list {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 12px;
  background:
    linear-gradient(rgba(21, 27, 29, 0.91), rgba(21, 27, 29, 0.96)),
    repeating-linear-gradient(45deg, transparent, transparent 12px, rgba(255, 255, 255, 0.015) 13px);
}

.event-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 84px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.027);
}

.event-card strong,
.event-card small {
  display: block;
}

.event-card strong {
  font-size: 0.9rem;
}

.event-card small {
  margin-top: 8px;
  color: #8b9894;
  font-size: 0.73rem;
}

.event-card b {
  color: var(--accent-strong);
  font-size: 0.8rem;
}

.event-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 1.4rem;
  box-shadow: inset 0 0 18px currentColor;
}

.event-icon.fire { color: #e98247; }
.event-icon.jade { color: #52d4b1; }
.event-icon.mist { color: #a783e5; }
.event-icon.gold { color: #dbb55b; }

.section,
.install-section,
.companion {
  padding: 92px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr);
  column-gap: 70px;
  align-items: end;
  margin-bottom: 36px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
}

.section-heading h2,
.companion h2 {
  margin-bottom: 0;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.section-heading > p:last-child,
.companion-copy > p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-grid article {
  min-height: 270px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(21, 27, 29, 0.82);
}

.card-number {
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.8rem;
}

.feature-grid h3 {
  margin: 62px 0 12px;
  font-size: 1.24rem;
}

.feature-grid p,
.steps p,
.official-guide,
.companion-card p,
.release-strip p,
footer p {
  margin-bottom: 0;
  color: var(--muted);
}

.section-heading.compact {
  display: block;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  padding: 22px;
  border-top: 2px solid var(--accent);
  background: linear-gradient(180deg, rgba(215, 181, 109, 0.08), rgba(21, 27, 29, 0.68));
}

.steps li > span {
  display: grid;
  width: 32px;
  height: 32px;
  margin-bottom: 44px;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent-strong);
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-bottom: 8px;
}

.steps p {
  font-size: 0.88rem;
}

.official-guide {
  margin-top: 22px;
  font-size: 0.88rem;
}

.companion {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 70px;
  align-items: center;
}

.companion-copy > p:not(.eyebrow) {
  max-width: 680px;
  margin-top: 24px;
}

.companion-card {
  position: relative;
  overflow: hidden;
  min-height: 390px;
  padding: 32px;
  border: 1px solid #4c5659;
  border-radius: 9px;
  background:
    radial-gradient(circle at 78% 28%, rgba(102, 215, 209, 0.25), transparent 10rem),
    linear-gradient(145deg, #20282b, #101516);
  box-shadow: 0 26px 70px var(--shadow);
}

.companion-card::after {
  position: absolute;
  right: -70px;
  bottom: -80px;
  width: 250px;
  height: 250px;
  border: 1px solid rgba(215, 181, 109, 0.34);
  border-radius: 50%;
  content: "";
}

.plugin-badge {
  display: inline-block;
  padding: 5px 9px;
  border: 1px solid rgba(215, 181, 109, 0.45);
  border-radius: 4px;
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.t-mark {
  display: grid;
  width: 76px;
  height: 76px;
  margin: 50px 0 20px;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 18px;
  color: var(--cyan);
  background: rgba(102, 215, 209, 0.08);
  font-size: 2rem;
  font-weight: 900;
}

.companion-card h3 {
  margin-bottom: 12px;
  font-size: 1.75rem;
  line-height: 1.15;
}

.companion-card p {
  position: relative;
  z-index: 1;
  max-width: 300px;
  font-size: 0.88rem;
}

.release-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin: 18px 0 80px;
  padding: 26px 30px;
  border: 1px solid rgba(215, 181, 109, 0.38);
  border-radius: 8px;
  background: linear-gradient(90deg, rgba(215, 181, 109, 0.11), rgba(21, 27, 29, 0.75));
}

.release-strip > div {
  display: flex;
  gap: 16px;
  align-items: center;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

footer div {
  display: flex;
  gap: 18px;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 46px;
    min-height: auto;
  }

  .module-window {
    transform: none;
  }

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

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  nav {
    display: none;
  }

  .hero,
  .section,
  .install-section,
  .companion {
    padding: 64px 0;
  }

  h1 {
    font-size: clamp(3.1rem, 16vw, 5rem);
  }

  .section-heading,
  .feature-grid,
  .companion {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 18px;
  }

  .feature-grid {
    gap: 12px;
  }

  .feature-grid article {
    min-height: 220px;
  }

  .companion {
    gap: 38px;
  }

  .window-content {
    grid-template-columns: 1fr;
  }

  .categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-right: 0;
  }

  .categories strong {
    grid-column: 1 / -1;
  }

  .categories span {
    padding: 10px;
    text-align: center;
  }

  .categories span:nth-of-type(n + 4) {
    display: none;
  }

  .release-strip,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-header,
  main,
  footer {
    width: min(100% - 26px, 1180px);
  }

  .quick-stats {
    gap: 14px;
  }

  .quick-stats div {
    padding-right: 14px;
  }

  .window-bar {
    grid-template-columns: 1fr auto;
  }

  .window-bar > span:nth-child(2),
  .window-tools .tool-toggle {
    display: none;
  }

  .window-tools {
    grid-template-columns: 1fr;
  }

  .event-card {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .event-card b {
    display: none;
  }

  .event-icon {
    width: 36px;
    height: 36px;
  }

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

  .steps li > span {
    margin-bottom: 26px;
  }
}

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

  .button {
    transition: none;
  }

  .button:hover {
    transform: none;
  }
}