@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@300;400;500;600;700&family=Varela+Round&display=swap');

/* ── CSS Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg: #0d0d0d;
  --c-primary: #8000ff;
  --c-accent: #ff00ff;
  --c-primary-dim: rgba(128,0,255,.18);
  --c-accent-dim: rgba(255,0,255,.14);
  --c-text: #e0d0ff;
  --c-text-muted: #9980cc;
  --c-border: rgba(128,0,255,.35);
  --c-surface: #110a1f;
  --c-surface2: #1a0d2e;
  --nav-h: 64px;
  --anchor-h: 42px;
  --scroll-top: calc(var(--nav-h) + var(--anchor-h));
  --radius: 0px;
  --font-main: 'Nunito Sans', 'Varela Round', system-ui, sans-serif;
  --font-mono: 'Courier New', 'Consolas', monospace;
  --glow-primary: 0 0 8px #8000ff, 0 0 24px rgba(128,0,255,.5);
  --glow-accent: 0 0 8px #ff00ff, 0 0 24px rgba(255,0,255,.5);
  --transition-std: 200ms ease;
}

html {
  scroll-behavior: smooth;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: 17px;
  line-height: 1.7;
}

body.cyberpunk-body {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--c-bg);
  position: relative;
}

/* ── Scanlines overlay ── */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,.13) 3px,
    rgba(0,0,0,.13) 4px
  );
  mix-blend-mode: multiply;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-primary); border-radius: 0; }

/* ── Overlay Menu ── */
.overlay-menu {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10,5,20,.97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateX(100%);
  transition: transform 380ms cubic-bezier(.77,0,.18,1);
  border-left: 2px solid var(--c-primary);
  box-shadow: inset -4px 0 60px rgba(128,0,255,.2);
}
.overlay-menu.is-open {
  transform: translateX(0);
}
.overlay-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: 1px solid var(--c-accent);
  color: var(--c-accent);
  font-size: 1.4rem;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-std), box-shadow var(--transition-std);
}
.overlay-close:hover {
  background: var(--c-accent-dim);
  box-shadow: var(--glow-accent);
}
.overlay-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}
.overlay-link {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-text);
  text-decoration: none;
  letter-spacing: .08em;
  padding: .5rem 2rem;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-std), border-color var(--transition-std), text-shadow var(--transition-std);
}
.overlay-link:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  text-shadow: var(--glow-accent);
}
.overlay-search {
  display: flex;
  gap: .5rem;
  margin-top: 1rem;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(13,13,13,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  box-shadow: 0 2px 30px rgba(128,0,255,.15);
}
.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 1.25rem;
  gap: 1rem;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.left-nav { justify-content: flex-end; }
.right-nav { justify-content: flex-start; }
.nav-link {
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .55rem .7rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  transition: color var(--transition-std), border-color var(--transition-std), text-shadow var(--transition-std), background var(--transition-std);
}
.nav-link:hover {
  color: var(--c-primary);
  border-color: var(--c-primary);
  background: var(--c-primary-dim);
  text-shadow: var(--glow-primary);
}
.brand-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-logo { height: 40px; width: auto; }
.brand-text {
  font-family: 'Varela Round', var(--font-main);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-primary);
  text-decoration: none;
  text-shadow: var(--glow-primary);
  letter-spacing: .06em;
  white-space: nowrap;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  justify-content: flex-end;
  grid-column: 3;
}
.search-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  overflow: hidden;
}
.search-input {
  background: none;
  border: none;
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: .85rem;
  padding: .45rem .75rem;
  outline: none;
  width: 140px;
  min-height: 40px;
}
.search-input::placeholder { color: var(--c-text-muted); }
.search-btn {
  background: none;
  border: none;
  border-left: 1px solid var(--c-border);
  color: var(--c-primary);
  font-size: 1.1rem;
  padding: 0 .7rem;
  cursor: pointer;
  min-height: 40px;
  min-width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-std), background var(--transition-std);
}
.search-btn:hover { background: var(--c-primary-dim); color: var(--c-accent); }
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--c-border);
  cursor: pointer;
  padding: 0 10px;
  transition: border-color var(--transition-std), box-shadow var(--transition-std);
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--c-primary);
  transition: background var(--transition-std);
}
.hamburger:hover {
  border-color: var(--c-primary);
  box-shadow: var(--glow-primary);
}
.hamburger:hover span { background: var(--c-accent); }

/* ── Sticky Anchors ── */
.sticky-anchors {
  position: sticky;
  top: var(--nav-h);
  z-index: 900;
  height: var(--anchor-h);
  background: rgba(17,10,31,.95);
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
}
.anchors-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: .25rem;
  padding: 0 1rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.anchors-inner::-webkit-scrollbar { display: none; }
.anchor-pill {
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .05em;
  padding: .3rem .85rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: color var(--transition-std), border-color var(--transition-std), background var(--transition-std);
}
.anchor-pill:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
  background: var(--c-accent-dim);
}

/* sections scroll margin */
div[id] { scroll-margin-top: var(--scroll-top); }

/* ── Hero ── */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 4rem 1.5rem;
  border-bottom: 1px solid var(--c-border);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(128,0,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(128,0,255,.07) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
}
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.2rem;
}
.glitch-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  padding: .3rem .9rem;
  text-shadow: var(--glow-accent);
  box-shadow: var(--glow-accent);
  animation: badge-pulse 2.5s ease-in-out infinite;
}
@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .65; }
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: var(--glow-accent);
  animation: dot-blink 1.2s step-start infinite;
}
@keyframes dot-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.hero-h1 {
  font-family: 'Varela Round', var(--font-main);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--c-primary);
  text-shadow: var(--glow-primary), 0 0 60px rgba(128,0,255,.3);
  letter-spacing: .04em;
  line-height: 1.2;
  position: relative;
}
.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  overflow: hidden;
}
.glitch-text::before {
  color: var(--c-accent);
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
  animation: glitch-top 3.5s infinite linear;
  opacity: .7;
}
.glitch-text::after {
  color: #00ffcc;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
  animation: glitch-bot 3.5s infinite linear;
  opacity: .5;
}
@keyframes glitch-top {
  0%, 90%, 100% { transform: none; opacity: .7; }
  91% { transform: translateX(-4px) skewX(-4deg); opacity: .9; }
  93% { transform: translateX(4px) skewX(4deg); opacity: .6; }
  95% { transform: translateX(-2px); opacity: .9; }
}
@keyframes glitch-bot {
  0%, 88%, 100% { transform: none; opacity: .5; }
  89% { transform: translateX(5px) skewX(3deg); opacity: .7; }
  91% { transform: translateX(-3px); opacity: .4; }
  93% { transform: translateX(2px) skewX(-2deg); opacity: .7; }
}
.hero-sub {
  font-size: 1rem;
  color: var(--c-text-muted);
  line-height: 1.7;
  max-width: 440px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  justify-content: center;
}
.hero-tag {
  font-size: .72rem;
  letter-spacing: .07em;
  padding: .22rem .7rem;
  border: 1px solid var(--c-primary);
  color: var(--c-primary);
  background: var(--c-primary-dim);
  font-weight: 600;
}
.neon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 2.2rem;
  min-height: 48px;
  background: var(--c-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
  border: 2px solid var(--c-primary);
  box-shadow: var(--glow-primary);
  transition: background var(--transition-std), color var(--transition-std), box-shadow var(--transition-std), transform var(--transition-std);
  position: relative;
  overflow: hidden;
}
.neon-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 40%, rgba(255,255,255,.12) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 400ms ease;
}
.neon-btn:hover::after { transform: translateX(100%); }
.neon-btn:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  box-shadow: var(--glow-accent);
  transform: translateY(-2px);
}
.hero-media {
  position: relative;
  border: 1px solid var(--c-primary);
  box-shadow: var(--glow-primary), inset 0 0 40px rgba(128,0,255,.1);
  overflow: hidden;
}
.hero-img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(1.2) contrast(1.05);
}
.hero-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0, transparent 5px,
    rgba(128,0,255,.07) 5px, rgba(128,0,255,.07) 6px
  );
  pointer-events: none;
}

/* ── Main Layout ── */
.site-main {
  padding: 2.5rem 1.25rem;
  min-height: 50vh;
}
/* main > article.wrap > div > section  */
.site-main > .wrap {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  align-items: start;
}
.site-main > .wrap > .content-section {
  min-width: 0;
}
.site-main > .wrap > .content-section > .page-article {
  min-width: 0;
}

/* ── Aside ── */
.site-aside {
  position: sticky;
  top: var(--scroll-top);
}
.aside-inner {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: 1.25rem;
  box-shadow: inset 0 0 30px rgba(128,0,255,.07);
}
.aside-title {
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--c-primary);
  text-shadow: var(--glow-primary);
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--c-border);
}
.aside-title span { display: inline; }
.aside-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .15rem;
  margin-bottom: 1.25rem;
}
.aside-link {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: .82rem;
  padding: .45rem .5rem;
  min-height: 40px;
  border-left: 2px solid transparent;
  transition: color var(--transition-std), border-color var(--transition-std), background var(--transition-std);
}
.aside-link::before {
  content: '›';
  color: var(--c-primary);
  font-size: 1rem;
}
.aside-link:hover {
  color: var(--c-accent);
  border-left-color: var(--c-accent);
  background: var(--c-accent-dim);
}
.aside-status {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  color: var(--c-text-muted);
  letter-spacing: .05em;
  margin-top: .5rem;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00ff88;
  box-shadow: 0 0 6px #00ff88;
  animation: dot-blink 1.8s ease-in-out infinite;
}

/* ── Page Content (injected HTML) ── */
.page-article h2 {
  font-family: 'Varela Round', var(--font-main);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--c-primary);
  text-shadow: var(--glow-primary);
  margin: 2.5rem 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  gap: .6rem;
}
.page-article h2 > span { display: inline; }
.page-article h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-accent);
  text-shadow: 0 0 8px rgba(255,0,255,.4);
  margin: 2rem 0 .75rem;
}
.page-article h3 > span { display: inline; }
.page-article p {
  margin-bottom: 1.1rem;
  color: var(--c-text);
  font-size: 1rem;
  line-height: 1.8;
}
.page-article ul, .page-article ol {
  margin: .75rem 0 1.25rem 1.5rem;
  color: var(--c-text);
}
.page-article li { margin-bottom: .4rem; line-height: 1.7; }
.page-article a {
  color: var(--c-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,0,255,.3);
  transition: color var(--transition-std), border-color var(--transition-std);
}
.page-article a:hover { color: var(--c-primary); border-color: var(--c-primary); }
.page-article strong { color: var(--c-primary); font-weight: 700; }
.page-article em { color: var(--c-accent); font-style: normal; }
.page-article blockquote {
  border-left: 3px solid var(--c-primary);
  background: var(--c-surface);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--c-text-muted);
  font-style: italic;
}
.page-article code {
  font-family: var(--font-mono);
  background: var(--c-surface2);
  color: var(--c-accent);
  padding: .1em .4em;
  font-size: .88em;
}
.page-article pre {
  font-family: var(--font-mono);
  background: var(--c-surface2);
  border: 1px solid var(--c-border);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}
.page-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
.page-article th, .page-article td {
  padding: .6rem .9rem;
  border: 1px solid var(--c-border);
  text-align: left;
}
.page-article th { background: var(--c-surface); color: var(--c-primary); font-weight: 700; }
.page-article img { max-width: 100%; height: auto; border: 1px solid var(--c-border); }

/* Section separators inside injected content */
.page-article div {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--c-border);
  position: relative;
}
.page-article div:last-child { border-bottom: none; }
.page-article div::before {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  box-shadow: var(--glow-primary);
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--c-border);
  background: rgba(10,5,20,.95);
  padding: 1.2rem 1.5rem;
  box-shadow: 0 -4px 40px rgba(128,0,255,.12);
}
.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: space-between;
}
.footer-brand-text {
  font-family: 'Varela Round', var(--font-main);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-primary);
  text-decoration: none;
  text-shadow: var(--glow-primary);
  white-space: nowrap;
}
.footer-logo { height: 32px; width: auto; }
.footer-nav { flex: 1; min-width: 0; }
.footer-dl {
  display: flex;
  flex-wrap: wrap;
  gap: .1rem .5rem;
  align-items: center;
  margin: 0;
}
.footer-dl dt, .footer-dl dd { display: inline; margin: 0; }
.footer-dl a {
  color: var(--c-text-muted);
  text-decoration: none;
  font-size: .78rem;
  padding: .4rem .55rem;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid transparent;
  transition: color var(--transition-std), border-color var(--transition-std);
}
.footer-dl a:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}
.footer-copy {
  white-space: nowrap;
}
.footer-copy small {
  color: var(--c-text-muted);
  font-size: .72rem;
  letter-spacing: .03em;
}

/* ── Parallax Scroll Effect ── */
@media (prefers-reduced-motion: no-preference) {
  .hero-section { perspective: 1000px; }
  .hero-grid-bg {
    will-change: transform;
    animation: grid-drift 20s ease-in-out infinite alternate;
  }
  @keyframes grid-drift {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-20px) scale(1.03); }
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .header-nav { display: none; }
  .header-inner { grid-template-columns: 1fr auto 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-media { order: -1; }
  .site-main > .wrap {
    grid-template-columns: 1fr;
  }
  .site-aside {
    position: static;
    order: -1;
  }
  .aside-list { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 600px) {
  :root { --nav-h: 56px; }
  .search-wrap { display: none; }
  .header-inner { grid-template-columns: auto 1fr auto; padding: 0 1rem; }
  .brand-text { font-size: 1rem; }
  .hero-section { padding: 2.5rem 1rem; min-height: auto; }
  .hero-h1 { font-size: clamp(1.6rem, 7vw, 2.4rem); }
  .neon-btn { padding: .7rem 1.5rem; font-size: .9rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .footer-dl { gap: 0; }
  .site-main { padding: 1.5rem .75rem; }
  .page-article h2 { font-size: 1.25rem; }
}

@media (max-width: 375px) {
  .anchor-pill { font-size: .7rem; padding: .3rem .55rem; }
  .overlay-link { font-size: 1.15rem; }
}