:root {
  --bg: #05070c;
  --panel: rgba(12, 18, 31, 0.88);
  --line: rgba(148, 170, 215, 0.14);
  --text: #eef3ff;
  --muted: #9aa7c7;
  --cyan: #49d7ff;
  --blue: #5d8bff;
  --violet: #8f7bff;
  --green: #39d98a;
  --warning: #ffb454;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.38);
  --font-tech: "JetBrains Mono", monospace;
  --font-body: "Space Grotesk", sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(circle at top left, rgba(73, 215, 255, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(143, 123, 255, 0.1), transparent 24%),
    radial-gradient(circle at bottom center, rgba(93, 139, 255, 0.07), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 170, 215, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 170, 215, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.32;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      115deg,
      transparent 0 120px,
      rgba(73, 215, 255, 0.03) 120px 121px
    ),
    repeating-linear-gradient(
      25deg,
      transparent 0 160px,
      rgba(143, 123, 255, 0.025) 160px 161px
    );
  pointer-events: none;
  z-index: 0;
}

.site {
  position: relative;
  z-index: 1;
}

.container {
  width: min(1160px, calc(100% - 32px));
  margin-inline: auto;
}

.mono {
  font-family: var(--font-tech);
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 13px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(5, 7, 12, 0.74);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.logo-badge {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 24px rgba(73, 215, 255, 0.22);
  position: relative;
  overflow: hidden;
  flex: 0 0 auto;
}

.logo-badge::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 6px;
  border: 1px solid rgba(5, 7, 12, 0.65);
  background:
    linear-gradient(
      to right,
      transparent 45%,
      rgba(5, 7, 12, 0.72) 45%,
      rgba(5, 7, 12, 0.72) 55%,
      transparent 55%
    ),
    linear-gradient(
      to bottom,
      transparent 45%,
      rgba(5, 7, 12, 0.72) 45%,
      rgba(5, 7, 12, 0.72) 55%,
      transparent 55%
    );
}

.logo-text strong {
  display: block;
  font-family: var(--font-tech);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.logo-text small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.main-nav a {
  padding: 9px 11px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 14px;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.main-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.main-nav a.active {
  color: var(--text);
  background: rgba(73, 215, 255, 0.08);
  border-color: rgba(73, 215, 255, 0.18);
}

.header-cta {
  flex: 0 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease,
    border-color 0.2s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: linear-gradient(135deg, rgba(73, 215, 255, 0.95), rgba(93, 139, 255, 0.95));
  color: #041018;
  box-shadow: 0 12px 32px rgba(73, 215, 255, 0.18);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--text);
}

.btn-outline {
  border: 1px solid rgba(73, 215, 255, 0.35);
  color: var(--text);
  background: rgba(73, 215, 255, 0.06);
}

.btn-large {
  min-height: 54px;
  padding: 0 24px;
  border-radius: 14px;
  font-size: 17px;
}

.page {
  padding: 34px 0 30px;
  animation: pageFade 0.35s ease;
}

@keyframes pageFade {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: stretch;
  padding-top: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.inner {
  padding: 28px;
  position: relative;
  z-index: 1;
}

.glow::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 10%, rgba(73, 215, 255, 0.12), transparent 25%),
    radial-gradient(circle at 10% 90%, rgba(143, 123, 255, 0.12), transparent 24%);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border-radius: 999px;
  border: 1px solid rgba(73, 215, 255, 0.18);
  background: rgba(73, 215, 255, 0.06);
  color: #bdefff;
  font-family: var(--font-tech);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px rgba(57, 217, 138, 0.75);
}

h1 {
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.03;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
  max-width: 760px;
}

h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.gradient-text {
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 22px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.stat-card .value {
  font-family: var(--font-tech);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 4px;
}

.stat-card .label {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.side-stack {
  display: grid;
  gap: 16px;
}

.terminal {
  font-family: var(--font-tech);
  font-size: 13px;
  line-height: 1.9;
}

.terminal-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.red {
  background: #ff5f56;
}

.yellow {
  background: #ffbd2e;
}

.green {
  background: #27c93f;
}

.terminal-line {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ok {
  color: var(--green);
}

.info {
  color: var(--cyan);
}

.warn {
  color: var(--warning);
}

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

.card {
  padding: 22px;
}

.card p,
.card li {
  color: var(--muted);
  font-size: 15px;
}

.card ul {
  padding-left: 18px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.section-head {
  margin: 26px 0 16px;
}

.kicker {
  font-family: var(--font-tech);
  color: var(--cyan);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 8px;
}

.chart-panel {
  padding: 24px;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.bar-chart {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.bar-row {
  display: grid;
  grid-template-columns: 180px 1fr 140px;
  gap: 12px;
  align-items: center;
}

.bar-label {
  font-size: 14px;
  color: var(--muted);
}

.bar-pair {
  display: grid;
  gap: 6px;
}

.bar-track {
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  box-shadow: 0 0 18px rgba(73, 215, 255, 0.14);
}

.bar-fill.soft {
  background: linear-gradient(90deg, rgba(154, 167, 199, 0.8), rgba(154, 167, 199, 0.35));
}

.bar-value {
  font-family: var(--font-tech);
  font-size: 13px;
  text-align: right;
}

.legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend i {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  display: inline-block;
}

.legend .original {
  background: rgba(154, 167, 199, 0.7);
}

.legend .optimized {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

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

thead th {
  color: var(--cyan);
  font-family: var(--font-tech);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

tbody th {
  color: var(--muted);
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  width: 180px;
}

td {
  color: var(--muted);
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.badge {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(57, 217, 138, 0.06);
  border: 1px solid rgba(57, 217, 138, 0.16);
  color: #d9ffe9;
  font-size: 14px;
}

.notice {
  padding: 16px 18px;
  border-radius: 14px;
  background: rgba(255, 180, 84, 0.06);
  border: 1px solid rgba(255, 180, 84, 0.18);
  color: #ffe6c2;
}

.faq details {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details p {
  margin-top: 12px;
  color: var(--muted);
}

.download-box {
  padding: 26px;
}

.steps {
  display: grid;
  gap: 12px;
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: start;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(73, 215, 255, 0.08);
  border: 1px solid rgba(73, 215, 255, 0.18);
  font-family: var(--font-tech);
  font-weight: 800;
}

.code {
  font-family: var(--font-tech);
  font-size: 13px;
  background: #0a101c;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  overflow: auto;
  color: #bdefff;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 20px;
}

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

.footer-links {
  display: grid;
  gap: 8px;
}

.footer-bottom {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

@media (max-width: 1020px) {
  .hero,
  .split,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .badge-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .header-inner {
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .card-grid,
  .badge-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

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

  .bar-value {
    text-align: left;
  }
}