@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --bg: #0b0c12;
  --panel: #141826;
  --panel-2: #101423;
  --panel-3: #0f1220;
  --accent: #7d3cff;
  --accent-2: #b08bff;
  --text: #e7e9f3;
  --muted: #a2a7bd;
  --border: #262c40;
  --shadow: rgba(0, 0, 0, 0.35);
  --green: #3fe18c;
  --orange: #f2a14a;
  --amber: #f4c04f;
  --red: #f08a4b;
  --burnt: #c74848;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Space Grotesk", "Sora", "IBM Plex Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 10% -10%, rgba(125, 60, 255, 0.2), transparent 55%),
    radial-gradient(1000px 600px at 90% 5%, rgba(176, 139, 255, 0.2), transparent 60%),
    var(--bg);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.25;
  pointer-events: none;
  z-index: -1;
}

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

a:visited { color: inherit; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px 96px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  letter-spacing: 0.6px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(125, 60, 255, 0.95), rgba(176, 139, 255, 0.6));
  box-shadow: 0 14px 35px rgba(125, 60, 255, 0.35);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-icon {
  position: absolute;
  inset: 0;
  background-image: url("basefwx-plain.svg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 78%;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.brand-cutout {
  position: absolute;
  inset: 2px;
  background: var(--bg);
  -webkit-mask-image: url("basefwx-white.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: 94%;
  mask-image: url("basefwx-white.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: 94%;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.mask-ready .brand-icon {
  opacity: 0;
}

.mask-ready .brand-cutout {
  opacity: 1;
}

.brand-name {
  font-size: 18px;
}

.brand-sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}

nav a {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
}

nav a:hover {
  border-color: var(--border);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 28px;
  align-items: stretch;
  padding: 32px;
  border-radius: 24px;
  background: linear-gradient(140deg, rgba(20, 24, 38, 0.95), rgba(11, 14, 24, 0.9));
  border: 1px solid var(--border);
  box-shadow: 0 25px 60px var(--shadow);
  animation: rise 0.7s ease both;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 44px;
  line-height: 1.05;
}

.hero p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 12px 30px rgba(125, 60, 255, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(125, 60, 255, 0.4);
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: none;
}

.btn:visited {
  color: #ffffff;
}

.btn.secondary:visited {
  color: var(--text);
}

.btn.disabled,
a.disabled {
  pointer-events: none;
  opacity: 0.5;
  filter: grayscale(0.2);
}

.hero-panel {
  background: var(--panel-3);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.meta {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: var(--muted);
}

.panel-title {
  margin: 12px 0 10px;
  font-size: 22px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}

.panel-foot {
  margin-top: 16px;
  display: flex;
  gap: 10px;
}

section {
  margin-top: 64px;
  animation: rise 0.7s ease both;
}

.section-title {
  font-size: 22px;
  margin-bottom: 12px;
}

.section-lead {
  color: var(--muted);
  margin-top: 0;
  max-width: 680px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(125, 60, 255, 0.5);
}

.card h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.download-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-card h3 {
  margin: 0;
  font-size: 18px;
}

.download-card .section-lead {
  margin: 0 0 12px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(125, 60, 255, 0.12);
  border: 1px solid rgba(125, 60, 255, 0.4);
  border-radius: 999px;
  font-size: 12px;
  color: var(--accent-2);
  margin-bottom: 14px;
}

.hero .chip {
  margin-bottom: 18px;
}

.download-card .chip {
  margin-bottom: 10px;
}

.hash-block {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.hash-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--muted);
  margin-bottom: 6px;
}

.hash-title:not(:first-child) {
  margin-top: 10px;
}

.hash-value {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 12px;
  color: #cfd5f1;
  word-break: break-all;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  row-gap: 10px;
  align-items: center;
}

.link-row a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.link-row a:not(.btn) {
  color: var(--accent-2);
  font-weight: 600;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.status-pill.ok {
  background: rgba(63, 225, 140, 0.14);
  color: var(--green);
  border: 1px solid rgba(63, 225, 140, 0.4);
}

.status-pill.warn {
  background: rgba(242, 161, 74, 0.14);
  color: var(--orange);
  border: 1px solid rgba(242, 161, 74, 0.4);
}

.vt-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 10px;
  font-size: 13px;
  background: transparent;
}

.vt-table th,
.vt-table td {
  padding: 14px 16px;
  border-bottom: none;
  text-align: center;
  vertical-align: middle;
}

.vt-table th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--muted);
  background: var(--panel);
  text-align: left;
}

.vt-table thead th:first-child {
  border-top-left-radius: 12px;
  border-bottom-left-radius: 12px;
}

.vt-table thead th:last-child {
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}

.vt-table tbody tr {
  position: relative;
}

.vt-table tbody tr::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--panel);
  border-radius: 12px;
  z-index: 0;
}

.vt-table tbody td {
  position: relative;
  z-index: 1;
  font-weight: 500;
}

.vt-table tbody td.mono {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 100%;
  font-weight: 600;
}

.vt-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-size: 11px;
  font-weight: 700;
  border: none;
  color: var(--muted);
  background: transparent;
  line-height: 1;
  vertical-align: middle;
  flex-shrink: 0;
}

.vt-check .vt-icon {
  width: 15px;
  height: 15px;
  display: block;
  fill: currentColor;
}

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

.vt-check.warn {
  color: var(--amber);
}

.vt-check.bad {
  color: var(--red);
}

.vt-check.hash {
  color: var(--burnt);
}

.vt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(125, 60, 255, 0.35);
  background: rgba(125, 60, 255, 0.12);
  color: #dcd4ff;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.vt-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(125, 60, 255, 0.25);
  color: #ffffff;
}

.vt-table tbody td:first-child {
  border-top-left-radius: 12px;
  border-bottom-left-radius: 12px;
}

.vt-table tbody td:last-child {
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}

.vt-table tbody td:first-child {
  text-align: left;
}

.mono {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 12px;
}

footer {
  margin-top: 72px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.doc-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

.doc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.doc-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.doc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.doc-nav a {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.doc-nav a:hover {
  border-color: var(--border);
  color: var(--text);
}

.doc-article {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 18px 40px var(--shadow);
}

.doc-article h1,
.doc-article h2,
.doc-article h3 {
  margin-top: 0;
}

.doc-article h2 {
  margin-top: 28px;
}

.doc-article p,
.doc-article li {
  color: var(--muted);
}

.doc-article a {
  color: var(--accent-2);
}

.doc-article code {
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.9em;
  background: rgba(125, 60, 255, 0.12);
  padding: 2px 6px;
  border-radius: 6px;
  color: #d7caff;
}

.doc-article pre {
  background: #0f1220;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  overflow-x: auto;
}

.doc-article pre code {
  background: transparent;
  padding: 0;
}

.doc-article table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  margin-bottom: 16px;
}

.doc-article th,
.doc-article td {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 34px;
  }
}

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .panel-foot {
    flex-direction: column;
  }
  .doc-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .vt-table th,
  .vt-table td {
    font-size: 12px;
    padding: 10px;
  }
}