:root {
  --pink: #ff0080;
  --mag: #ff00ff;
  --ink: #26171f;
  --bg: #100810;
  --txt: #f8eef4;
  --dim: #c8adbc;
  --line: rgba(255, 0, 128, 0.3);
  --glass: rgba(255, 255, 255, 0.055);
  --d: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --b: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--b);
  font-size: 17px;
  line-height: 1.78;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: -25%;
  z-index: -2;
  background:
    radial-gradient(38% 42% at 18% 22%, rgba(255, 0, 128, 0.55), transparent 68%),
    radial-gradient(34% 40% at 82% 12%, rgba(255, 0, 255, 0.42), transparent 68%),
    radial-gradient(48% 46% at 62% 84%, rgba(122, 0, 96, 0.6), transparent 70%),
    radial-gradient(30% 30% at 34% 66%, rgba(255, 0, 128, 0.3), transparent 70%),
    linear-gradient(160deg, #1b0d16, #26171f 45%, #120810);
  filter: blur(46px) saturate(135%);
  animation: mesh 26s ease-in-out infinite alternate;
}

@keyframes mesh {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(46px) hue-rotate(0deg) saturate(135%);
  }
  100% {
    transform: translate3d(-4%, -3%, 0) scale(1.12);
    filter: blur(58px) hue-rotate(38deg) saturate(150%);
  }
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 85%);
  mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 85%);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

:focus-visible {
  outline: 2px solid var(--mag);
  outline-offset: 3px;
}

.top {
  position: sticky;
  top: 0;
  z-index: 30;
  background: linear-gradient(180deg, rgba(16, 8, 16, 0.94), rgba(16, 8, 16, 0.74));
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line);
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 9px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 6px 12px;
  font-family: var(--d);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand b {
  background: linear-gradient(96deg, #fff, var(--pink) 45%, var(--mag));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: cover;
}

.cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 18px;
  border-radius: 999px;
  font-family: var(--d);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(100deg, var(--pink), var(--mag));
  box-shadow: 0 6px 22px rgba(255, 0, 128, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 0, 255, 0.45);
}

.jump { border-top: 1px solid rgba(255, 255, 255, 0.06); }

.jump p {
  display: flex;
  gap: 8px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 8px 20px 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.jump p::-webkit-scrollbar { display: none; }

.jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 16px;
  color: var(--dim);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.jump a:hover,
.jump a.on {
  color: #fff;
  border-color: var(--pink);
  background: rgba(255, 0, 128, 0.18);
}

.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  min-height: 45vh;
  max-width: 1240px;
  margin: 0 auto;
  padding: 44px 20px 36px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 150px;
}

.mesh {
  position: absolute;
  left: 0;
  right: 0;
  top: -12%;
  bottom: -12%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 70% at 10% 40%, rgba(255, 0, 128, 0.28), transparent 70%),
    radial-gradient(50% 60% at 90% 20%, rgba(255, 0, 255, 0.22), transparent 70%);
  filter: blur(10px);
  will-change: transform;
}

.ghost {
  position: absolute;
  left: -0.02em;
  bottom: 0.02em;
  z-index: -1;
  font-family: var(--d);
  font-size: clamp(58px, 15vw, 168px);
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.05em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 0, 128, 0.4);
  opacity: 0.85;
  pointer-events: none;
}

.hero h1 {
  position: relative;
  margin: 0;
  max-width: 18em;
  font-family: var(--d);
  font-size: clamp(30px, 6.2vw, 60px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  background: linear-gradient(100deg, #fff 20%, var(--pink) 58%, var(--mag));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.spark {
  display: block;
  width: 74px;
  height: 5px;
  background: linear-gradient(90deg, var(--pink), var(--mag));
}

.deck {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  align-items: start;
  gap: 34px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 34px 20px 64px;
}

.rail {
  position: sticky;
  top: 134px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.rail h2 {
  margin: 0;
  font-family: var(--d);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.rail .subtitle {
  margin: 6px 0 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 16px;
  line-height: 1.65;
  color: var(--dim);
}

.idx {
  list-style: none;
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
}

.idx a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 16px;
  color: var(--dim);
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.idx a:hover {
  color: #fff;
  padding-left: 12px;
}

.idx i {
  font-style: normal;
  font-family: var(--d);
  font-size: 15px;
  color: var(--pink);
  min-width: 22px;
}

.prose { min-width: 0; }

.prose div {
  margin-bottom: 22px;
  padding: 26px 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--pink);
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  scroll-margin-top: 152px;
}

.prose h2 {
  margin: 0 0 0.5em;
  font-family: var(--d);
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  background: linear-gradient(92deg, #fff, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.prose h3 {
  margin: 1.4em 0 0.4em;
  font-family: var(--d);
  font-size: 20px;
  font-weight: 600;
  color: #fff;
}

.prose p { margin: 0 0 1.05em; }
.prose ul, .prose ol { margin: 0 0 1.05em; padding-left: 1.3em; }
.prose li { margin-bottom: 0.45em; }
.prose strong { color: #fff; }

.prose a {
  color: var(--pink);
  border-bottom: 1px solid rgba(255, 0, 128, 0.45);
}

.prose a:hover { color: var(--mag); }

.prose blockquote {
  margin: 1.2em 0;
  padding: 12px 18px;
  border-left: 2px solid var(--mag);
  background: rgba(255, 0, 255, 0.08);
}

.prose img {
  width: 100%;
  height: auto;
  margin: 1.1em 0;
  border: 1px solid var(--line);
}

.prose figure { margin: 1.2em 0; }

.prose figcaption {
  margin-top: 0.5em;
  font-size: 16px;
  color: var(--dim);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.1em 0;
  font-size: 16px;
}

.prose th, .prose td {
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 9px 11px;
  text-align: left;
}

.prose time { font-size: 16px; color: var(--pink); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 1.6em 0; }

.foot {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 28px 40px;
  padding: 44px max(20px, calc((100% - 1200px) / 2)) 26px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(38, 23, 31, 0.55), rgba(16, 8, 16, 0.96));
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.f-mark {
  margin: 0 0 8px;
  font-family: var(--d);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;
  background: linear-gradient(96deg, #fff, var(--mag));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.f-kw { margin: 0; font-size: 16px; color: var(--dim); }

.f-nav nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.f-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-size: 16px;
  color: var(--dim);
  border-bottom: 1px solid transparent;
}

.f-nav a:hover { color: #fff; border-color: var(--pink); }

.f-form {
  grid-column: 1 / -1;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.sub label {
  font-family: var(--d);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: #fff;
}

.sub input {
  flex: 1 1 220px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font: inherit;
  font-size: 16px;
}

.sub input::placeholder { color: #a98a9b; }

.sub button {
  min-height: 44px;
  padding: 10px 24px;
  border: 0;
  border-radius: 999px;
  font-family: var(--d);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(100deg, var(--pink), var(--mag));
  cursor: pointer;
}

.f-legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 16px;
  color: var(--dim);
}

.f-legal p { margin: 0; }
.f-legal article { display: flex; gap: 16px; }

.f-legal a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
}

.f-legal a:hover { color: #fff; }

@media (max-width: 860px) {
  .deck {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }
  .rail { position: static; }
  .foot { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  .topbar {
    grid-template-columns: 1fr auto;
    gap: 8px;
  }
  .edge { display: none; }
  .brand { padding-left: 0; }
  .hero {
    min-height: 52vh;
    padding-top: 30px;
  }
  .prose div { padding: 20px 16px; }
  .foot { padding: 34px 16px 24px; }
  .f-legal { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body::before { animation: none; }
  .cta, .jump a, .idx a { transition: none; }
}

button[aria-expanded]{min-width:44px;min-height:44px}