:root {
  --bg: #0d1117;
  --bg-soft: #161b22;
  --panel: rgba(22, 27, 34, 0.96);
  --panel-strong: rgba(13, 17, 23, 0.98);
  --line: rgba(48, 54, 61, 0.9);
  --line-strong: rgba(88, 166, 255, 0.28);
  --text: #f0f6fc;
  --muted: #8b949e;
  --green: #3fb950;
  --green-strong: #2ea043;
  --green-soft: rgba(63, 185, 80, 0.1);
  --blue-soft: rgba(56, 139, 253, 0.16);
  --danger-soft: rgba(248, 81, 73, 0.08);
  --shadow: 0 16px 40px rgba(1, 4, 9, 0.24);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(56, 139, 253, 0.07), transparent 26%),
    radial-gradient(circle at 100% 10%, rgba(63, 185, 80, 0.04), transparent 22%),
    linear-gradient(180deg, #0d1117, #11161d 55%, #0d1117);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(240, 246, 252, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 246, 252, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  opacity: 0.2;
}

.matrix-noise {
  display: none;
}

a {
  color: inherit;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1280px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 44px;
}

.hero,
.panel,
.feature-chip {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.panel-glow {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(240, 246, 252, 0.02);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 24px;
  margin-bottom: 18px;
}

.hero__halo {
  display: none;
}

.hero__brand {
  display: block;
}

.brand-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: #58a6ff;
}

.hero h1,
.panel h2,
.cta-block h2 {
  margin: 0;
  line-height: 1.02;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 4.05rem);
  max-width: 980px;
}

.panel h2,
.cta-block h2 {
  font-size: clamp(1.5rem, 2vw, 2.2rem);
}

.hero__lead,
.seo-copy p,
.cta-block p {
  margin: 16px 0 0;
  color: #c9d1d9;
  line-height: 1.78;
  font-size: 1.03rem;
}

.hero__grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1.38fr) minmax(310px, 0.82fr);
  gap: 16px;
}

.hero__actions {
  padding: 22px;
  border-radius: 26px;
}

.hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero__cta-row + .hero__cta-row {
  margin-top: 12px;
}

.hero__note {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid rgba(56, 139, 253, 0.16);
  background: linear-gradient(180deg, rgba(56, 139, 253, 0.08), rgba(99, 110, 123, 0.05));
  color: #c9d1d9;
  line-height: 1.75;
}

.status-card {
  border-radius: 26px;
  padding: 20px;
}

.status-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #f0f6fc;
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(63, 185, 80, 0.12);
}

.status-grid {
  margin: 18px 0 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.status-grid dt {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.status-grid dd,
.status-card__ping strong {
  margin: 0;
  font-weight: 800;
  font-size: 1.02rem;
}

.status-card__ping {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.feature-chip {
  padding: 18px;
}

.feature-chip__label,
.summary-card__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #58a6ff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.76rem;
}

.feature-chip strong {
  display: block;
  margin-top: 10px;
  font-size: 1rem;
}

.panel {
  padding: 24px;
  margin-bottom: 18px;
}

.panel__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

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

.summary-card,
.info-card,
.proxy-card,
.seo-checklist {
  background: rgba(4, 10, 6, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
}

.summary-card,
.info-card {
  padding: 18px;
}

.summary-card strong,
.info-card h3,
.seo-checklist h3 {
  display: block;
  margin-top: 10px;
  margin-bottom: 0;
}

.summary-card p,
.info-card p,
.panel__meta p,
.seo-checklist li {
  color: var(--muted);
  line-height: 1.72;
}

.seo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.82fr);
  gap: 16px;
}

.seo-checklist {
  padding: 18px;
}

.seo-checklist ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.seo-checklist li + li {
  margin-top: 10px;
}

.tabs {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 20px;
  background: rgba(4, 10, 6, 0.88);
  border: 1px solid var(--line);
}

.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 11px 16px;
  border-radius: 14px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.tab.is-active {
  color: #041106;
  background: linear-gradient(135deg, #b9ff66, #76ff5f);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.panel__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 16px 0 18px;
}

.download-link {
  color: var(--green);
  text-decoration: none;
  font-weight: 700;
}

.proxy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.proxy-card {
  padding: 18px;
}

.proxy-card__top,
.proxy-card__meta,
.proxy-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.proxy-card__badge,
.proxy-card__ping,
.proxy-card__meta span {
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.78rem;
}

.proxy-card__badge {
  background: rgba(56, 139, 253, 0.12);
  color: #79c0ff;
}

.proxy-card__ping {
  background: rgba(63, 185, 80, 0.12);
  color: #7ee787;
}

.proxy-card h3 {
  margin: 16px 0 10px;
  font-size: 1.1rem;
}

.proxy-card__desc {
  margin: 0;
  color: #d9ffdf;
  line-height: 1.68;
}

.proxy-card__meta {
  margin-top: 14px;
  flex-wrap: wrap;
}

.proxy-card__meta span {
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
}

.proxy-card__actions {
  margin-top: 16px;
  flex-wrap: wrap;
}

.info-card__step {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(130, 255, 82, 0.12);
  color: var(--green);
  font-weight: 800;
}

.cta-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.cta-actions {
  display: grid;
  gap: 10px;
  min-width: 280px;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 18px;
  padding: 14px 18px;
  cursor: pointer;
  text-decoration: none;
  font: inherit;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  color: #ffffff;
  background: linear-gradient(135deg, #1f6feb, #388bfd);
  box-shadow: 0 10px 24px rgba(31, 111, 235, 0.24);
}

.btn--accent {
  color: #ffffff;
  background: linear-gradient(135deg, #238636, #2ea043);
  box-shadow: 0 10px 24px rgba(46, 160, 67, 0.18);
}

.btn--danger {
  color: #ffffff;
  background: linear-gradient(135deg, #da3633, #f85149);
  box-shadow: 0 10px 24px rgba(248, 81, 73, 0.2);
}

.btn--ghost,
.btn--copy,
.btn--inline {
  border-color: rgba(240, 246, 252, 0.1);
  background: rgba(13, 17, 23, 0.78);
  color: #f0f6fc;
}

.btn--copy {
  color: #79c0ff;
}

.btn--wide {
  text-align: center;
}

.btn--small {
  padding: 11px 14px;
}

.empty-state {
  padding: 18px;
  border-radius: 20px;
  background: var(--danger-soft);
  border: 1px solid rgba(255, 109, 109, 0.16);
  color: #ffd1d1;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92em;
}

@media (max-width: 1080px) {
  .hero__grid,
  .seo-grid,
  .cta-block {
    grid-template-columns: 1fr;
    display: grid;
  }

  .feature-strip,
  .summary-grid,
  .steps-grid,
  .proxy-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 18px, 100%);
    padding: 12px 0 28px;
  }

  .hero,
  .panel {
    padding: 18px;
    border-radius: 22px;
  }

  .hero__brand {
    display: block;
  }

  .hero__cta-row,
  .panel__meta,
  .proxy-card__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .tabs {
    width: 100%;
    flex-wrap: wrap;
  }

  .tab {
    flex: 1 1 calc(50% - 8px);
    text-align: center;
  }
}