:root {
  --color-bg: #06101d;
  --color-bg-soft: #0b1b2f;
  --color-bg-elevated: #101827;
  --color-card: rgba(15, 30, 52, 0.82);
  --color-card-solid: #0f1e34;
  --color-line: rgba(124, 247, 255, 0.18);
  --color-line-strong: rgba(124, 247, 255, 0.46);
  --color-text: #eaf6ff;
  --color-muted: #a9bed5;
  --color-heading: #f6fbff;
  --color-primary: #7cf7ff;
  --color-primary-dark: #16b6cb;
  --color-secondary: #8b5cf6;
  --color-accent: #c5ff6a;
  --color-danger-soft: #412434;
  --color-success-soft: #183829;
  --font-main: "Manrope", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-heading: "Inter", "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --radius-xs: 10px;
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 34px;
  --shadow-soft: 0 24px 70px rgba(0, 0, 0, 0.34);
  --shadow-glow: 0 0 42px rgba(124, 247, 255, 0.14);
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(124, 247, 255, 0.13), transparent 32rem),
    radial-gradient(circle at 90% 10%, rgba(139, 92, 246, 0.16), transparent 28rem),
    linear-gradient(180deg, var(--color-bg), #091421 48%, #07111f 100%);
  line-height: 1.65;
  min-width: 320px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(124, 247, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 247, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 72%);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
p { margin: 0 0 1rem; color: var(--color-muted); }
strong { color: var(--color-text); }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: .75rem 1rem;
  border-radius: var(--radius-xs);
  background: var(--color-primary);
  color: #06101d;
  z-index: 20;
}
.skip-link:focus { top: 1rem; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(6, 16, 29, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.logo img { width: 42px; height: 42px; }
.nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: .35rem;
  padding: 0;
  margin: 0;
}
.nav-list a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: .55rem .82rem;
  color: var(--color-muted);
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: .95rem;
}
.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--color-heading);
  border-color: var(--color-line-strong);
  background: rgba(124, 247, 255, 0.07);
}

.hero {
  padding: 5rem 0 4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, .97fr);
  gap: 3rem;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.1rem;
  padding: .38rem .72rem;
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  color: var(--color-primary);
  background: rgba(124, 247, 255, 0.08);
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .02em;
}
.eyebrow::before {
  content: "";
  width: .48rem;
  height: .48rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 16px rgba(197, 255, 106, .72);
}
h1, h2, h3 {
  margin: 0;
  color: var(--color-heading);
  font-family: var(--font-heading);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
h1 { font-size: clamp(2.6rem, 7vw, 5.7rem); }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); margin-bottom: .65rem; }
.lead {
  max-width: 760px;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  color: #c5d9ec;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  min-height: 50px;
  padding: .85rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary {
  color: #04111d;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  box-shadow: 0 18px 50px rgba(124, 247, 255, .18);
}
.button-secondary {
  color: var(--color-heading);
  border-color: var(--color-line-strong);
  background: rgba(255, 255, 255, 0.04);
}
.hero-card {
  position: relative;
  padding: .75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(124, 247, 255, .08), rgba(139, 92, 246, .07));
  box-shadow: var(--shadow-soft), var(--shadow-glow);
}
.hero-card img { border-radius: calc(var(--radius-lg) - .75rem); }
.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
  margin-top: 1rem;
}
.metric {
  padding: 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(15, 30, 52, 0.72);
}
.metric b { display: block; color: var(--color-heading); font-size: 1.45rem; line-height: 1.15; }
.metric span { color: var(--color-muted); font-size: .9rem; }

.section { padding: 4rem 0; }
.section-tight { padding: 2.5rem 0; }
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}
.section-head p { max-width: 680px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
.card {
  position: relative;
  overflow: hidden;
  padding: 1.45rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-card);
  box-shadow: 0 18px 55px rgba(0,0,0,.18);
}
.card::after {
  content: "";
  position: absolute;
  inset: auto -20% -55% 30%;
  height: 150px;
  background: radial-gradient(circle, rgba(124,247,255,.14), transparent 68%);
  pointer-events: none;
}
.card-icon {
  width: 58px;
  height: 58px;
  margin-bottom: 1rem;
}
.card ul, .rich-text ul, .rich-text ol {
  margin: .6rem 0 0;
  padding-left: 1.15rem;
  color: var(--color-muted);
}
.card li + li, .rich-text li + li { margin-top: .45rem; }

.feature-block {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 2rem;
  align-items: center;
  padding: 1.2rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: rgba(15, 30, 52, .54);
}
.feature-block > img { border-radius: var(--radius-md); }
.feature-content { padding: clamp(1rem, 3vw, 2.2rem); }
.tag-list { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.2rem 0 0; padding: 0; list-style: none; }
.tag-list li {
  padding: .42rem .72rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-muted);
  background: rgba(255,255,255,.035);
  font-size: .92rem;
}

.breadcrumbs {
  padding-top: 1.35rem;
  color: var(--color-muted);
  font-size: .92rem;
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; margin: 0; padding: 0; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: .45rem; color: rgba(169,190,213,.52); }

.page-hero { padding: 3.2rem 0 2.4rem; }
.page-hero .lead { max-width: 880px; }
.prose-card {
  padding: clamp(1.3rem, 3vw, 2.4rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: rgba(15, 30, 52, .62);
  box-shadow: var(--shadow-soft);
}
.rich-text h2 { margin-top: 2rem; }
.rich-text h2:first-child { margin-top: 0; }
.rich-text h3 { margin-top: 1.35rem; }
.note {
  margin: 1.2rem 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: rgba(197, 255, 106, .08);
  color: #dbecc2;
}
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-line); }
table { width: 100%; border-collapse: collapse; min-width: 720px; background: rgba(15,30,52,.72); }
th, td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--color-line); vertical-align: top; }
th { color: var(--color-heading); background: rgba(124,247,255,.07); }
td { color: var(--color-muted); }

.cta-panel {
  margin: 4rem 0 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(124,247,255,.18), transparent 30rem),
    linear-gradient(135deg, rgba(14,34,57,.92), rgba(17,24,39,.86));
  box-shadow: var(--shadow-soft);
}
.cta-panel h2 { max-width: 780px; }
.cta-panel .button { margin-top: 1rem; }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 1.2rem;
}
.form-note label { display: block; color: var(--color-heading); font-weight: 800; margin: 1rem 0 .35rem; }
.field-look {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: .85rem 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  background: rgba(255,255,255,.04);
}
.footer {
  margin-top: 4rem;
  border-top: 1px solid var(--color-line);
  background: rgba(6, 16, 29, 0.72);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 2rem;
  padding: 2.6rem 0;
}
.footer a { color: var(--color-muted); }
.footer a:hover { color: var(--color-primary); }
.footer ul { list-style: none; padding: 0; margin: .8rem 0 0; }
.footer li + li { margin-top: .45rem; }
.footer-title { color: var(--color-heading); font-weight: 900; margin-bottom: .65rem; }
.footer-bottom {
  padding: 1rem 0 1.4rem;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: .9rem;
}

@media (max-width: 900px) {
  .header-inner { align-items: flex-start; flex-direction: column; }
  .nav-list { justify-content: flex-start; }
  .hero { padding-top: 3.2rem; }
  .hero-grid, .feature-block, .contact-grid { grid-template-columns: 1fr; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 24px, var(--container)); }
  .nav-list a { padding-inline: .68rem; font-size: .88rem; }
  .grid-2, .grid-3, .metric-strip { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .feature-content { padding: .4rem; }
  .footer-inner { grid-template-columns: 1fr; }
}