:root {
  --bg0: #05040a;
  --bg1: #0b0b1a;
  --ink: #f5f1e8;
  --muted: rgba(245, 241, 232, 0.72);
  --dim: rgba(245, 241, 232, 0.55);
  --edge: rgba(245, 241, 232, 0.14);
  --edge2: rgba(245, 241, 232, 0.22);
  --accent0: #ff5a2a;
  --accent1: #ffcf4a;
  --accent2: #39d6ff;
  --accent3: #baff5e;
  --shadow: rgba(0, 0, 0, 0.55);
  --radius: 22px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 800px at 18% 20%, rgba(255, 90, 42, 0.18), transparent 55%),
    radial-gradient(900px 600px at 82% 28%, rgba(57, 214, 255, 0.18), transparent 60%),
    radial-gradient(1100px 900px at 55% 90%, rgba(186, 255, 94, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1) 70%, #070612);
  font-family: "Spectral", ui-serif, Georgia, serif;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:focus-visible {
  outline: 2px solid rgba(255, 207, 74, 0.9);
  outline-offset: 3px;
  border-radius: 8px;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background:
    linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(circle at 40% 20%, black, transparent 65%);
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px 14px;
  border-right: 1px solid rgba(245, 241, 232, 0.08);
  background: linear-gradient(180deg, rgba(15, 15, 26, 0.78), rgba(8, 8, 16, 0.46));
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 12px 12px 10px 12px;
  border-radius: 18px;
  border: 1px solid var(--edge);
  background:
    radial-gradient(600px 240px at 20% 0%, rgba(255, 207, 74, 0.18), transparent 70%),
    radial-gradient(420px 220px at 90% 0%, rgba(57, 214, 255, 0.14), transparent 60%),
    rgba(0, 0, 0, 0.22);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.brand .mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  border: 1px solid var(--edge2);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 207, 74, 0.95), rgba(255, 90, 42, 0.55) 36%, rgba(0, 0, 0, 0) 62%),
    radial-gradient(circle at 72% 70%, rgba(57, 214, 255, 0.95), rgba(0, 0, 0, 0) 58%),
    rgba(0, 0, 0, 0.25);
  box-shadow: 0 0 0 3px rgba(255, 207, 74, 0.06);
}

.brand .title {
  line-height: 1.1;
}
.brand .title .kicker {
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--dim);
}
.brand .title .name {
  font-family: "Bangers", ui-sans-serif, system-ui, sans-serif;
  font-size: 26px;
  letter-spacing: 0.02em;
}

.side-section {
  margin-top: 14px;
  padding: 10px 10px 8px 10px;
  border-radius: 18px;
  border: 1px solid rgba(245, 241, 232, 0.10);
  background: rgba(0, 0, 0, 0.18);
}
.side-section h2 {
  margin: 0 0 8px 0;
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid rgba(245, 241, 232, 0.10);
  background: rgba(8, 8, 14, 0.35);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.nav a:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 207, 74, 0.38);
  background: rgba(20, 14, 10, 0.55);
}

.nav a.active {
  border-color: rgba(255, 207, 74, 0.62);
  background: rgba(34, 20, 10, 0.66);
  box-shadow: inset 0 0 0 1px rgba(255, 207, 74, 0.18);
}

.nav a.active .tag {
  color: rgba(57, 214, 255, 0.95);
}

.nav a .label {
  font-family: "Spectral", ui-serif, Georgia, serif;
  font-size: 15px;
}
.nav a .tag {
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 207, 74, 0.9);
}

.sidebar .mini {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.35;
}
.sidebar .mini a {
  color: rgba(57, 214, 255, 0.95);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(245, 241, 232, 0.10);
  background: rgba(10, 10, 16, 0.72);
  backdrop-filter: blur(14px);
}
.mobile-topbar .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.mobile-topbar .btn {
  border: 1px solid rgba(245, 241, 232, 0.18);
  background: rgba(0, 0, 0, 0.2);
  color: var(--ink);
  border-radius: 14px;
  padding: 10px 12px;
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.content {
  padding: 28px 34px 56px 34px;
}

.hero {
  position: relative;
  border-radius: 28px;
  border: 1px solid rgba(245, 241, 232, 0.10);
  padding: 28px 26px;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 22% 30%, rgba(255, 207, 74, 0.18), transparent 65%),
    radial-gradient(600px 420px at 78% 25%, rgba(57, 214, 255, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,0.25), rgba(0,0,0,0.10));
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.35);
}

.hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 90, 42, 0.26), transparent 54%),
    radial-gradient(circle at 70% 80%, rgba(186, 255, 94, 0.16), transparent 56%);
  opacity: 0.85;
  pointer-events: none;
}

.hero .inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: end;
}

.hero h1 {
  margin: 0;
  font-family: "Bangers", ui-sans-serif, system-ui, sans-serif;
  font-size: 64px;
  letter-spacing: 0.02em;
  line-height: 0.95;
  text-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.hero p {
  margin: 10px 0 0 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.45;
}

.hero .cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
  justify-content: end;
}

.pill {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(245, 241, 232, 0.14);
  background: rgba(0, 0, 0, 0.20);
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 207, 74, 0.92);
}

.btn-primary {
  border: 0;
  border-radius: 18px;
  padding: 14px 16px;
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #110b08;
  background: linear-gradient(90deg, #ffcf4a, #ff5a2a);
  box-shadow: 0 18px 38px rgba(255, 90, 42, 0.22);
}
.btn-primary:hover { filter: brightness(1.04); }

.btn-ghost {
  border-radius: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(245, 241, 232, 0.18);
  background: rgba(0, 0, 0, 0.20);
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}
.btn-ghost:hover { border-color: rgba(57, 214, 255, 0.55); }

.section {
  margin-top: 20px;
  border-radius: 28px;
  border: 1px solid rgba(245, 241, 232, 0.10);
  padding: 18px 18px;
  background: rgba(0, 0, 0, 0.16);
}
.section h2 {
  margin: 0 0 10px 0;
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

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

.stage-card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid rgba(245, 241, 232, 0.12);
  overflow: hidden;
  min-height: 210px;
  padding: 16px 16px 14px 16px;
  background: rgba(6, 6, 12, 0.36);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.30);
  transition: transform 180ms ease, border-color 180ms ease;
}
.stage-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 207, 74, 0.32);
}
.stage-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 360px at 10% 10%, rgba(255, 207, 74, 0.22), transparent 60%),
    radial-gradient(700px 420px at 80% 90%, rgba(57, 214, 255, 0.20), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.05), transparent);
  opacity: 0.9;
  pointer-events: none;
}
.stage-card[data-stage="1"]::before {
  background:
    radial-gradient(800px 380px at 12% 18%, rgba(255, 90, 42, 0.25), transparent 60%),
    radial-gradient(700px 420px at 86% 90%, rgba(255, 207, 74, 0.16), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,0.05), transparent);
}
.stage-card[data-stage="2"]::before {
  background:
    radial-gradient(900px 420px at 20% 10%, rgba(186, 255, 94, 0.16), transparent 60%),
    radial-gradient(700px 520px at 85% 90%, rgba(57, 214, 255, 0.22), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,0.05), transparent);
}
.stage-card[data-stage="3"]::before {
  background:
    radial-gradient(1000px 460px at 18% 15%, rgba(57, 214, 255, 0.18), transparent 62%),
    radial-gradient(800px 520px at 82% 85%, rgba(255, 90, 42, 0.20), transparent 58%),
    linear-gradient(180deg, rgba(255,255,255,0.05), transparent);
}

.stage-card .inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}

.stage-card .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.stage-card .n {
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 207, 74, 0.92);
}
.stage-card .title {
  font-family: "Bangers", ui-sans-serif, system-ui, sans-serif;
  font-size: 34px;
  letter-spacing: 0.02em;
  line-height: 1.0;
}
.stage-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}
.stage-card .go {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(245, 241, 232, 0.16);
  background: rgba(0, 0, 0, 0.20);
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.stage-card:hover .go {
  border-color: rgba(57, 214, 255, 0.55);
}

.tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.tile {
  border-radius: var(--radius);
  border: 1px solid rgba(245, 241, 232, 0.12);
  background: rgba(0, 0, 0, 0.16);
  padding: 14px 14px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.26);
  transition: transform 160ms ease, border-color 160ms ease;
}
.tile:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 207, 74, 0.34);
}
.tile .t {
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 207, 74, 0.92);
}
.tile .h {
  margin-top: 8px;
  font-family: "Bangers", ui-sans-serif, system-ui, sans-serif;
  font-size: 30px;
  letter-spacing: 0.01em;
  line-height: 1.02;
}
.tile .d {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.45;
}

.footer {
  margin-top: 22px;
  padding: 14px 16px;
  border-radius: 22px;
  border: 1px solid rgba(245, 241, 232, 0.12);
  background: rgba(0, 0, 0, 0.16);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.footer a {
  color: rgba(57, 214, 255, 0.95);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page {
  max-width: 980px;
}
.page h1 {
  margin: 0 0 10px 0;
  font-family: "Bangers", ui-sans-serif, system-ui, sans-serif;
  font-size: 60px;
  letter-spacing: 0.02em;
  line-height: 0.95;
}
.page .lede {
  margin: 0 0 14px 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.card {
  border-radius: var(--radius);
  border: 1px solid rgba(245, 241, 232, 0.12);
  background: rgba(0, 0, 0, 0.16);
  padding: 14px 14px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.26);
  transition: transform 160ms ease, border-color 160ms ease;
}
.card:hover { transform: translateY(-2px); border-color: rgba(57, 214, 255, 0.46); }
.card .h { font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255, 207, 74, 0.92); }
.card .t { margin-top: 8px; font-family: "Bangers", ui-sans-serif, system-ui, sans-serif; font-size: 30px; letter-spacing: 0.01em; line-height: 1.02; }
.card .d { margin-top: 8px; color: var(--muted); line-height: 1.45; }

.library-search {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}
.library-search input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(245, 241, 232, 0.14);
  background: rgba(0, 0, 0, 0.22);
  color: var(--ink);
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.library-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lib-item {
  border-radius: 18px;
  border: 1px solid rgba(245, 241, 232, 0.12);
  background: rgba(0, 0, 0, 0.16);
  padding: 12px 12px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.lib-item .name { font-family: "Bangers", ui-sans-serif, system-ui, sans-serif; font-size: 26px; letter-spacing: 0.01em; line-height: 1.0; }
.lib-item .meta { font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--dim); }

.loopmap {
  position: relative;
  margin-top: 8px;
  border-radius: 28px;
  border: 1px solid rgba(245, 241, 232, 0.10);
  overflow: hidden;
  min-height: 460px;
  background:
    radial-gradient(900px 520px at 20% 30%, rgba(255, 90, 42, 0.18), transparent 62%),
    radial-gradient(700px 500px at 78% 28%, rgba(57, 214, 255, 0.14), transparent 60%),
    radial-gradient(900px 700px at 55% 90%, rgba(186, 255, 94, 0.10), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,0.22), rgba(0,0,0,0.12));
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.28);
}

.loopmap::before {
  content: "";
  position: absolute;
  inset: -2px;
  background:
    radial-gradient(circle at 22% 18%, rgba(255, 207, 74, 0.12), transparent 52%),
    radial-gradient(circle at 80% 72%, rgba(255, 90, 42, 0.10), transparent 50%),
    linear-gradient(90deg, rgba(255,255,255,0.06), transparent 40%, rgba(255,255,255,0.04));
  opacity: 0.7;
  pointer-events: none;
}

.loopmap__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
  pointer-events: none;
}

.loopnode {
  --x: 50;
  --y: 50;
  position: absolute;
  left: calc(var(--x) * 1%);
  top: calc(var(--y) * 1%);
  transform: translate(-50%, -50%);
  width: min(260px, 46vw);
  border-radius: 18px;
  border: 1px solid rgba(245, 241, 232, 0.14);
  background: rgba(0, 0, 0, 0.28);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
  padding: 12px 12px 10px 12px;
  backdrop-filter: blur(10px);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.loopnode:hover {
  transform: translate(-50%, -50%) translateY(-2px);
  border-color: rgba(255, 207, 74, 0.34);
  background: rgba(0, 0, 0, 0.34);
}

.loopnode__tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 207, 74, 0.92);
}

.loopnode__title {
  display: block;
  margin-top: 8px;
  font-family: "Bangers", ui-sans-serif, system-ui, sans-serif;
  font-size: 30px;
  letter-spacing: 0.01em;
  line-height: 1.0;
}

.loopnode__desc {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.4;
  font-size: 14px;
}

.loopnode__go {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(245, 241, 232, 0.14);
  background: rgba(0, 0, 0, 0.18);
  font-family: "Unbounded", ui-sans-serif, system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.loopnode:hover .loopnode__go {
  border-color: rgba(57, 214, 255, 0.52);
}

.looplegend {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.looplegend code {
  color: rgba(255, 207, 74, 0.92);
}

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-topbar { display: block; }
  .content { padding: 18px 14px 44px 14px; }
  .hero .inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 54px; }
  .stages { grid-template-columns: 1fr; }
  .tiles, .cards { grid-template-columns: 1fr; }
  .loopmap { min-height: 720px; }
  .loopnode { width: min(320px, 86vw); }
}

@media (prefers-reduced-motion: reduce) {
  .nav a, .stage-card, .tile, .card { transition: none; }
  .loopnode { transition: none; }
}