:root {
  color-scheme: dark;
  --bg: #070a12;
  --bg-2: #0b1020;
  --panel: rgba(15, 23, 42, 0.78);
  --panel-strong: rgba(15, 23, 42, 0.94);
  --text: #eef4ff;
  --muted: #a9b6ce;
  --brand: #4f8cff;
  --brand-2: #7c3aed;
  --accent: #facc15;
  --accent-2: #fb923c;
  --danger: #ef4444;
  --line: rgba(255, 255, 255, 0.13);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius: 24px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(250, 204, 21, 0.12), transparent 22rem),
    radial-gradient(circle at top right, rgba(79, 140, 255, 0.26), transparent 34rem),
    radial-gradient(circle at 80% 10%, rgba(124, 58, 237, 0.28), transparent 28rem),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

body,
.site-header,
.section,
.hero,
.site-footer {
  position: relative;
}

a {
  color: inherit;
}

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

button {
  font: inherit;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  color: #06101f;
  background: var(--accent);
  transform: translateY(-180%);
  transition: transform 0.2s ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 18, 0.78);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  color: #06101f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 32px rgba(250, 204, 21, 0.15);
}

.brand-name {
  display: grid;
  line-height: 1.05;
}

.brand-name small {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-links a {
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  overflow: hidden;
  padding: clamp(4rem, 8vw, 8rem) 0 4rem;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(250, 204, 21, 0.28), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 14ch;
  font-size: clamp(3rem, 7.4vw, 6.25rem);
}

.h1-kicker {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-size: 0.26em;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.15;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

h3 {
  font-size: 1.25rem;
}

.lede {
  max-width: 68ch;
  margin: 1.4rem 0 0;
  color: #d9e4f7;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.82rem 1.15rem;
  cursor: pointer;
  font-weight: 850;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

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

.button:focus-visible,
.tab-button:focus-visible {
  outline: 3px solid rgba(250, 204, 21, 0.6);
  outline-offset: 3px;
}

.button-primary {
  color: #06101f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 45px rgba(250, 204, 21, 0.16);
}

.button-primary:hover {
  box-shadow: 0 22px 55px rgba(250, 204, 21, 0.22);
}

.button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
}

.button-wide {
  width: 100%;
}

.copy-status {
  min-height: 1.5rem;
  margin: 0.85rem 0 0;
  color: var(--accent);
  font-weight: 800;
}

.server-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.3rem, 4vw, 2rem);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.64));
  box-shadow: var(--shadow);
}

.server-card::before {
  content: "";
  position: absolute;
  inset: -35% -25% auto auto;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: rgba(79, 140, 255, 0.22);
  filter: blur(12px);
}

.server-card::after {
  content: "";
  position: absolute;
  inset: auto auto -30% -20%;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  background: rgba(250, 204, 21, 0.1);
  filter: blur(18px);
}

.server-card > * {
  position: relative;
  z-index: 1;
}

.card-kicker {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.ip-box {
  margin: 1rem 0 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  padding: 1rem;
  color: var(--accent);
  background: rgba(0, 0, 0, 0.24);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  font-weight: 900;
  text-align: center;
  word-break: break-word;
}

.server-actions {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 0.75rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.stat {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.06);
}

.stat strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1;
}

.stat span {
  color: var(--muted);
  font-size: 0.86rem;
}

.section {
  padding: clamp(3rem, 7vw, 6rem) 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.025);
  border-block: 1px solid rgba(255, 255, 255, 0.06);
}

.section-head {
  max-width: 790px;
  margin-bottom: 1.8rem;
}

.section-head p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.install-head {
  max-width: 880px;
}

.feature-grid,
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card,
.guide-card,
.notice-card,
.faq-card,
.why-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.18);
}

.feature-card,
.faq-card {
  padding: 1.35rem;
}

.feature-icon {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: 16px;
  background: rgba(79, 140, 255, 0.16);
  font-size: 1.35rem;
}

.feature-card p,
.notice-card p,
.guide-card p,
.guide-card li,
.faq-card p {
  color: var(--muted);
}

.feature-card p,
.faq-card p {
  margin-bottom: 0;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.keyword-list li {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0.42rem 0.7rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.92rem;
  font-weight: 800;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.why-card {
  position: relative;
  overflow: hidden;
  padding: 1.35rem;
}

.why-card::before {
  content: "";
  display: block;
  width: 36px;
  height: 4px;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.why-card strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.why-card span {
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.6rem;
  counter-reset: steps;
}

.step {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
  background: rgba(255, 255, 255, 0.06);
}

.step::before {
  counter-increment: steps;
  content: counter(steps);
  display: grid;
  width: 34px;
  height: 34px;
  margin-bottom: 1rem;
  place-items: center;
  border-radius: 999px;
  color: #06101f;
  background: var(--accent);
  font-weight: 900;
}

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

.language-tabs {
  display: inline-flex;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
}

.tab-button {
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1rem;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  font-weight: 900;
}

.tab-button.is-active {
  color: #06101f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.guide-shell {
  max-width: 900px;
}

.guide-panel[hidden] {
  display: none;
}

.guide-card {
  padding: clamp(1.25rem, 3vw, 1.8rem);
}

.guide-card h3 {
  font-size: clamp(1.55rem, 3vw, 2.2rem);
}

.guide-card ol {
  display: grid;
  gap: 0.9rem;
  margin: 1.3rem 0 0;
  padding-left: 1.35rem;
}

.guide-card li::marker {
  color: var(--accent);
  font-weight: 900;
}

.guide-card a {
  color: #facc15;
  overflow-wrap: anywhere;
  text-underline-offset: 0.18em;
}

.inline-code {
  display: inline-flex;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  padding: 0.1rem 0.35rem;
  color: var(--accent);
  background: rgba(0, 0, 0, 0.22);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
  overflow-wrap: anywhere;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  aspect-ratio: 16 / 10;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.2);
}

.gallery-item--wide {
  aspect-ratio: 16 / 8;
}

.gallery-item:nth-child(1),
.gallery-item:nth-child(2) {
  grid-column: span 3;
}

.gallery-item:nth-child(n+3) {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}

.gallery-item:hover img {
  transform: scale(1.035);
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  padding: clamp(1.5rem, 4vw, 2.4rem);
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.18), rgba(124, 58, 237, 0.15)), var(--panel-strong);
  box-shadow: var(--shadow);
}

.cta-panel .actions {
  justify-content: flex-end;
}

.cta-panel p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.18);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

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

@media (max-width: 1080px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .faq-grid,
  .steps,
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-item:nth-child(n) {
    grid-column: span 3;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.85rem 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .cta-panel .actions {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 1.1rem, var(--max));
  }

  .feature-grid,
  .faq-grid,
  .steps,
  .stat-grid,
  .why-grid,
  .server-actions {
    grid-template-columns: 1fr;
  }

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

  .gallery-item:nth-child(n) {
    grid-column: auto;
  }

  .gallery-item,
  .gallery-item--wide {
    aspect-ratio: 16 / 11;
  }

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

  .button {
    width: 100%;
  }

  .language-tabs {
    display: grid;
    grid-template-columns: 1fr;
    border-radius: 22px;
    width: 100%;
  }

  .tab-button {
    width: 100%;
  }
}