@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c-hot: #ff0080;
  --c-mag: #ff00ff;
  --c-dark: #26171f;
  --c-dark2: #1a0f16;
  --c-dark3: #30192a;
  --c-glass: rgba(255,0,128,0.07);
  --c-glass-border: rgba(255,0,255,0.18);
  --c-text: #f5e6f0;
  --c-text-dim: rgba(245,230,240,0.6);
  --c-text-bright: #ffffff;
  --font-pixel: 'Press Start 2P', monospace;
  --font-vt: 'VT323', monospace;
  --font-body: var(--font-vt), 'Hiragino Sans', 'Microsoft YaHei', sans-serif;
  --nav-h: 64px;
  --radius: 0px;
  --scroll-offset: 80px;
}

html {
  scroll-behavior: smooth;
  font-size: 18px;
  background: var(--c-dark);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ── Aurora Background ── */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.mesh-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
}

.aurora-layer {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  mix-blend-mode: screen;
  animation: auroraFloat 12s ease-in-out infinite alternate;
}

.aurora-l1 {
  width: 80vw;
  height: 60vh;
  background: radial-gradient(ellipse at center, #ff0080 0%, #ff00ff55 50%, transparent 80%);
  top: -20vh;
  left: -20vw;
  animation-duration: 14s;
  opacity: 0.5;
}

.aurora-l2 {
  width: 70vw;
  height: 70vh;
  background: radial-gradient(ellipse at center, #ff00ff 0%, #ff008055 40%, transparent 75%);
  bottom: -10vh;
  right: -15vw;
  animation-duration: 18s;
  animation-direction: alternate-reverse;
  opacity: 0.4;
}

.aurora-l3 {
  width: 60vw;
  height: 50vh;
  background: conic-gradient(from 90deg at 50% 50%, #ff0080, #ff00ff, #26171f, #ff0080);
  top: 30vh;
  left: 20vw;
  animation-duration: 22s;
  opacity: 0.15;
  filter: blur(100px);
}

@keyframes auroraFloat {
  0% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(3vw, -4vh) scale(1.08); }
  66% { transform: translate(-4vw, 3vh) scale(0.95); }
  100% { transform: translate(2vw, -2vh) scale(1.03); }
}

/* ── Holographic shimmer overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255,0,128,0.03) 2px,
    rgba(255,0,128,0.03) 4px
  );
}

/* ── Header / Nav ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0 2rem;
  background: rgba(38,23,31,0.72);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--c-glass-border);
}

.brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  text-decoration: none;
  color: var(--c-hot);
}

.site-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.logo-text-fallback {
  font-family: var(--font-pixel);
  font-size: 0.9rem;
  color: var(--c-hot);
  text-shadow: 0 0 12px var(--c-hot);
  line-height: 1;
}

.main-nav {
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar { display: none; }

.main-nav ol {
  display: flex;
  list-style: none;
  gap: 0.25rem;
  padding: 0;
  margin: 0;
  align-items: center;
}

.main-nav ol li {
  flex-shrink: 0;
}

.main-nav ol li a {
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 0.75rem;
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: var(--c-text-dim);
  text-decoration: none;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s, text-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}

.main-nav ol li a:hover,
.main-nav ol li a:focus-visible {
  color: var(--c-mag);
  border-color: var(--c-mag);
  text-shadow: 0 0 8px var(--c-mag);
  background: rgba(255,0,255,0.08);
  outline: none;
}

/* ── Hero ── */
.hero-wrap {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: calc(var(--nav-h) + 4rem) 3rem 5rem;
  overflow: hidden;
}

.hero-content {
  text-align: right;
  max-width: 720px;
}

.hero-eyebrow {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--c-hot);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  text-shadow: 0 0 16px var(--c-hot);
  line-height: 2;
}

.hero-h1 {
  font-family: var(--font-pixel);
  font-size: clamp(1rem, 3.5vw, 2rem);
  line-height: 1.6;
  color: var(--c-text-bright);
  margin-bottom: 1.5rem;
  text-shadow: 0 0 30px var(--c-hot), 0 0 60px var(--c-mag);
  letter-spacing: 0.04em;
}

.hero-sub {
  font-family: var(--font-vt);
  font-size: 1.4rem;
  color: var(--c-text-dim);
  max-width: 480px;
  margin-left: auto;
  letter-spacing: 0.04em;
}

.hero-slash {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom right, transparent 49%, var(--c-dark) 50%);
  z-index: 1;
}

/* ── Main Layout ── */
.main-wrap {
  position: relative;
  z-index: 2;
  padding: 3rem 2rem 4rem;
  scroll-margin-top: var(--scroll-offset);
}

.content-article {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 280px;
  grid-template-areas: "content aside";
  gap: 3rem;
  align-items: start;
}

.page-content-section {
  grid-area: content;
  min-width: 0;
}

.content-aside {
  grid-area: aside;
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
}

/* ── Glass Card ── */
.glass-card {
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  padding: 1.5rem;
  box-shadow: 0 0 30px rgba(255,0,128,0.08), inset 0 0 20px rgba(255,0,255,0.04);
}

.aside-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.aside-title {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--c-hot);
  text-shadow: 0 0 10px var(--c-hot);
  letter-spacing: 0.1em;
  line-height: 2;
}

.aside-inner hr {
  border: none;
  border-top: 1px solid var(--c-glass-border);
  margin: 0.25rem 0;
}

.aside-inner nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.aside-link {
  display: block;
  padding: 0.45rem 0.5rem;
  font-family: var(--font-vt);
  font-size: 1.05rem;
  color: var(--c-text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  letter-spacing: 0.04em;
  transition: color 0.2s, border-color 0.2s, padding-left 0.2s;
  line-height: 1.4;
}

.aside-link:hover,
.aside-link:focus-visible {
  color: var(--c-mag);
  border-left-color: var(--c-mag);
  padding-left: 0.85rem;
  outline: none;
}

.aside-badge {
  margin-top: 0.5rem;
  text-align: center;
}

.pixel-tag {
  font-family: var(--font-pixel);
  font-size: 0.45rem;
  color: var(--c-mag);
  border: 1px solid var(--c-mag);
  padding: 0.4em 0.6em;
  display: inline-block;
  text-shadow: 0 0 8px var(--c-mag);
  box-shadow: 0 0 10px rgba(255,0,255,0.2);
  letter-spacing: 0.08em;
  line-height: 2;
}

/* ── Content Sections (from page.content) ── */
.page-content-section article {
  scroll-margin-top: var(--scroll-offset);
  margin-bottom: 4rem;
  padding: 2rem;
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.page-content-section article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-hot), var(--c-mag), var(--c-hot));
  background-size: 200% 100%;
  animation: shimmerBar 3s linear infinite;
}

@keyframes shimmerBar {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

.page-content-section h2,
.page-content-section h3 {
  font-family: var(--font-pixel);
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.page-content-section h2 {
  font-size: clamp(0.7rem, 2vw, 1rem);
  color: var(--c-hot);
  text-shadow: 0 0 20px var(--c-hot);
}

.page-content-section h3 {
  font-size: clamp(0.6rem, 1.5vw, 0.8rem);
  color: var(--c-mag);
  text-shadow: 0 0 12px var(--c-mag);
}

.page-content-section hr {
  border: none;
  border-top: 1px solid var(--c-glass-border);
  margin: 1rem 0;
}

.page-content-section p {
  font-family: var(--font-body);
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--c-text);
  margin-bottom: 1rem;
}

.page-content-section ul,
.page-content-section ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.page-content-section li {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--c-text);
  margin-bottom: 0.4rem;
}

.page-content-section a {
  color: var(--c-hot);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s, text-shadow 0.2s;
}

.page-content-section a:hover {
  color: var(--c-mag);
  text-shadow: 0 0 8px var(--c-mag);
}

.page-content-section strong {
  color: var(--c-text-bright);
  font-weight: 700;
}

.page-content-section table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.page-content-section th {
  background: rgba(255,0,128,0.15);
  color: var(--c-hot);
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  padding: 0.75rem;
  text-align: left;
  border: 1px solid var(--c-glass-border);
  line-height: 2;
}

.page-content-section td {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--c-glass-border);
  color: var(--c-text);
}

.page-content-section tr:hover td {
  background: rgba(255,0,255,0.05);
}

/* ── Footer ── */
.site-footer {
  position: relative;
  z-index: 2;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--c-glass-border);
  background: rgba(38,23,31,0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-vt);
  font-size: 1.1rem;
  color: var(--c-text-dim);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.footer-copy {
  font-family: var(--font-vt);
  font-size: 1rem;
  color: rgba(245,230,240,0.35);
  letter-spacing: 0.03em;
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Hover Micro-interactions ── */
.glass-card {
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
  box-shadow: 0 0 40px rgba(255,0,128,0.18), inset 0 0 20px rgba(255,0,255,0.07);
  border-color: rgba(255,0,255,0.35);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track { background: var(--c-dark2); }
::-webkit-scrollbar-thumb { background: var(--c-hot); border-radius: 0; }

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--c-mag);
  outline-offset: 2px;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .aurora-layer,
  .aurora-l1,
  .aurora-l2,
  .aurora-l3 {
    animation: none;
  }
  .page-content-section article::before {
    animation: none;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .content-article {
    grid-template-columns: 1fr;
    grid-template-areas: "content" "aside";
  }

  .content-aside {
    position: static;
    order: 2;
  }

  .page-content-section {
    order: 1;
  }

  .hero-wrap {
    padding: calc(var(--nav-h) + 3rem) 1.5rem 4rem;
    align-items: center;
    justify-content: center;
  }

  .hero-content {
    text-align: center;
    max-width: 100%;
  }

  .hero-sub {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 600px) {
  :root { --nav-h: 56px; }

  html { font-size: 17px; }

  .site-header {
    padding: 0 1rem;
    gap: 0.75rem;
  }

  .main-nav ol li a {
    padding: 0 0.5rem;
    font-size: 1rem;
    height: 44px;
  }

  .hero-h1 {
    font-size: clamp(0.75rem, 5vw, 1.1rem);
  }

  .hero-eyebrow {
    font-size: 0.42rem;
  }

  .main-wrap {
    padding: 2rem 1rem 3rem;
  }

  .page-content-section article {
    padding: 1.25rem;
  }

  .glass-card {
    padding: 1rem;
  }
}

@media (max-width: 375px) {
  .main-nav ol li a {
    padding: 0 0.35rem;
    font-size: 0.9rem;
  }

  .hero-h1 {
    font-size: 0.7rem;
    line-height: 1.8;
  }
}