:root {
  --bg: #07110e;
  --bg-deep: #030706;
  --surface: rgba(8, 21, 17, 0.88);
  --surface-strong: #10231d;
  --surface-soft: rgba(21, 44, 37, 0.7);
  --text: #ecfff6;
  --muted: #9dc8b5;
  --line: rgba(132, 209, 175, 0.22);
  --brand: #7dff75;
  --brand-strong: #27c76f;
  --brand-soft: rgba(125, 255, 117, 0.14);
  --accent: #7ce4ff;
  --accent-soft: rgba(124, 228, 255, 0.18);
  --warning: #ffe27a;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  --radius-lg: 30px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content-width: 1140px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  line-height: 1.72;
  background:
    radial-gradient(circle at 12% 18%, rgba(125, 255, 117, 0.12), transparent 26%),
    radial-gradient(circle at 85% 12%, rgba(124, 228, 255, 0.14), transparent 24%),
    radial-gradient(circle at 80% 70%, rgba(39, 199, 111, 0.1), transparent 28%),
    linear-gradient(180deg, #0a1612 0%, #07110e 44%, #030706 100%);
}

a {
  color: var(--brand);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

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

img,
svg {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: #ffffff;
  color: #02130a;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(3, 11, 8, 0.78);
  border-bottom: 1px solid rgba(132, 209, 175, 0.12);
}

.header-inner,
.footer-inner,
.site-shell {
  width: min(calc(100% - 2rem), var(--content-width));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 16px;
  background:
    linear-gradient(160deg, rgba(125, 255, 117, 0.98), rgba(39, 199, 111, 0.98));
  color: #041009;
  font-family: "Arial Black", "Arial Bold", sans-serif;
  font-size: 1.35rem;
  font-weight: 900;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 12px 28px rgba(39, 199, 111, 0.28);
}

.brand-text {
  display: grid;
  gap: 0.08rem;
}

.brand-text strong {
  font-size: 1rem;
  letter-spacing: 0.03em;
}

.brand-text span:last-child {
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(16, 35, 29, 0.8);
  color: var(--text);
  border-radius: 999px;
  padding: 0.72rem 1rem;
  font: inherit;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.72rem 0.95rem;
  border-radius: 999px;
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(125, 255, 117, 0.12);
  transform: translateY(-1px);
}

.page-main {
  padding: 2.25rem 0 4rem;
}

.content-frame {
  position: relative;
  padding: 1.2rem;
  border-radius: calc(var(--radius-lg) + 6px);
  background:
    linear-gradient(145deg, rgba(124, 228, 255, 0.1), rgba(125, 255, 117, 0.08)),
    rgba(7, 17, 14, 0.8);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.content-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(125, 255, 117, 0.08), transparent),
    radial-gradient(circle at top left, rgba(124, 228, 255, 0.12), transparent 22%);
  pointer-events: none;
}

.content-panel {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(132, 209, 175, 0.18);
  background:
    linear-gradient(180deg, rgba(14, 30, 24, 0.96), rgba(8, 18, 15, 0.96));
  overflow: hidden;
}

article,
.info-page {
  padding: clamp(1.35rem, 2.2vw, 2.7rem);
}

article > :first-child,
.info-page > :first-child {
  margin-top: 0;
}

article h1,
.info-page h1 {
  margin-bottom: 1rem;
  color: #f4fff9;
  font-family: "Arial Black", "Arial Bold", sans-serif;
  font-size: clamp(2.2rem, 4.2vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

article h2,
.info-page h2 {
  margin-top: 2.45rem;
  margin-bottom: 0.9rem;
  color: #ecfff6;
  font-family: "Arial Black", "Arial Bold", sans-serif;
  font-size: clamp(1.4rem, 2.3vw, 2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

article h3,
.info-page h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.7rem;
  color: var(--brand);
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
  line-height: 1.25;
}

article p,
.info-page p,
article li,
.info-page li {
  color: #dbf5ea;
  font-size: 1rem;
}

article p,
.info-page p,
article ul,
.info-page ul,
article ol,
.info-page ol,
article table,
.info-page table {
  margin: 0 0 1.1rem;
}

article ul,
.info-page ul,
article ol,
.info-page ol {
  padding-left: 1.35rem;
}

article li + li,
.info-page li + li {
  margin-top: 0.45rem;
}

article strong,
.info-page strong {
  color: #ffffff;
}

article em,
.info-page em {
  color: var(--warning);
}

article blockquote,
.info-page blockquote {
  margin: 1.2rem 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--brand);
  background: rgba(125, 255, 117, 0.08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

article table,
.info-page table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  display: block;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(16, 35, 29, 0.72);
}

article tbody,
.info-page tbody {
  width: 100%;
}

article tr,
.info-page tr {
  background: rgba(16, 35, 29, 0.48);
}

article tr:nth-child(even),
.info-page tr:nth-child(even) {
  background: rgba(10, 23, 18, 0.9);
}

article td,
.info-page td,
article th,
.info-page th {
  min-width: 150px;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(132, 209, 175, 0.14);
  vertical-align: top;
  text-align: left;
}

article td p,
.info-page td p,
article th p,
.info-page th p {
  margin: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.info-card {
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(17, 38, 31, 0.84), rgba(10, 22, 18, 0.88));
}

.info-card h2,
.info-card h3 {
  margin-top: 0;
}

.site-footer {
  padding: 1.3rem 0 2.2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(132, 209, 175, 0.12);
  border-radius: 22px;
  background: rgba(8, 18, 15, 0.76);
}

.footer-copy {
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
}

.footer-nav a:hover {
  color: var(--text);
  background: rgba(125, 255, 117, 0.12);
}

code {
  padding: 0.16rem 0.38rem;
  border-radius: 8px;
  background: rgba(124, 228, 255, 0.12);
  color: #d8f7ff;
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.8rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(6, 15, 12, 0.96);
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    width: 100%;
  }

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

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .footer-inner,
  .site-shell {
    width: min(calc(100% - 1rem), var(--content-width));
  }

  .page-main {
    padding-top: 1rem;
  }

  .content-frame {
    padding: 0.7rem;
  }

  article,
  .info-page {
    padding: 1rem;
  }

  article td,
  .info-page td,
  article th,
  .info-page th {
    min-width: 130px;
    padding: 0.8rem;
  }
}