:root {
  --bg-deep: #05080f;
  --bg-base: #0a0e17;
  --bg-elevated: #0f1520;
  --bg-panel: #121a28;
  --bg-hover: #172235;
  --border: rgba(0, 255, 170, 0.14);
  --border-strong: rgba(0, 255, 170, 0.36);
  --border-dim: rgba(255, 255, 255, 0.08);
  --accent: #00ffaa;
  --accent-dim: #00cc88;
  --accent-glow: rgba(0, 255, 170, 0.26);
  --cyan: #08aeea;
  --magenta: #d80b8c;
  --warning: #ffcc00;
  --danger: #ff4160;
  --text: #edf3fa;
  --text-muted: #a8b6c9;
  --text-dim: #7e8ea7;
  --text-inverse: #05080f;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Cascadia Code", "Fira Code", Consolas, "Courier New", monospace;
  --radius: 7px;
  --radius-lg: 14px;
  --nav-h: 72px;
  --container: 1140px;
  --shadow-glow: 0 0 28px var(--accent-glow);
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-sans);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg-deep);
}
img { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition); }
a:hover { color: var(--cyan); }
button { border: 0; color: inherit; background: none; font: inherit; cursor: pointer; }
code, .mono { font-family: var(--font-mono); }

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 10000;
  transform: translateY(-150%);
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--text-inverse);
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

#matrix { position: fixed; inset: 0; z-index: -3; width: 100%; height: 100%; opacity: 0.12; pointer-events: none; }
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: transparent;
  background-image: linear-gradient(rgba(0, 255, 170, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 255, 170, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 80% 65% at 50% 0%, black 15%, transparent 72%);
  mask-image: radial-gradient(ellipse 80% 65% at 50% 0%, black 15%, transparent 72%);
  pointer-events: none;
}
.bg-glow { position: fixed; z-index: -1; width: 42vw; height: 42vw; border-radius: 50%; filter: blur(110px); pointer-events: none; opacity: 0.34; }
.bg-glow--tl { top: -14%; left: -8%; background: radial-gradient(circle, rgba(0,255,170,.16), transparent 70%); }
.bg-glow--br { right: -12%; bottom: -18%; background: radial-gradient(circle, rgba(8,174,234,.14), transparent 70%); }
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.3;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,.035) 2px, rgba(0,0,0,.035) 4px);
}

main,
.footer {
  position: relative;
  z-index: 0;
}

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }
.section { padding: 5rem 0; }
.section--tight { padding: 3.5rem 0; }
.divider { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; border: 0; border-top: 1px solid var(--border-dim); }

h1, h2, h3, h4 { line-height: 1.18; letter-spacing: -0.025em; }
h1 { margin-bottom: 1.25rem; font-size: clamp(2.25rem, 5vw, 4.15rem); }
h2 { margin-bottom: 0.85rem; font-size: clamp(1.55rem, 3vw, 2.25rem); }
h3 { margin-bottom: 0.55rem; font-size: 1.18rem; }
p + p { margin-top: 1rem; }
.lead { max-width: 62ch; color: var(--text-muted); font-size: 1.08rem; }
.prose { max-width: 68ch; color: var(--text-muted); font-size: 1.04rem; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 1.5rem; height: 2px; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.eyebrow--center { justify-content: center; }

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-dim);
  background: rgba(5,8,15,.88);
  backdrop-filter: blur(16px);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; width: min(100% - 2.5rem, var(--container)); margin-inline: auto; gap: 1.5rem; }
.logo { display: inline-flex; align-items: center; gap: 0.8rem; flex-shrink: 0; color: var(--text); }
.logo:hover { color: var(--accent); }
.logo__image { width: 52px; height: 38px; object-fit: contain; filter: drop-shadow(0 0 8px rgba(8,174,234,.16)); }
.logo__text { display: flex; flex-direction: column; line-height: 1.12; }
.logo__text strong { font-size: 0.98rem; letter-spacing: 0.06em; }
.logo__text span { color: var(--text-dim); font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.11em; }
.nav__links { display: flex; align-items: center; gap: 0.18rem; }
.nav__links a { padding: 0.46rem 0.72rem; border-radius: var(--radius); color: var(--text-muted); font-size: 0.88rem; }
.nav__links a:hover, .nav__links a.active { color: var(--accent); background: rgba(0,255,170,.06); }
.nav__links a { position: relative; }
.nav__links a::after { content: ""; position: absolute; left: .72rem; right: .72rem; bottom: .2rem; height: 1px; transform: scaleX(0); background: linear-gradient(90deg, var(--cyan), var(--accent), var(--magenta)); box-shadow: 0 0 8px rgba(0,255,170,.24); transition: transform var(--transition); }
.nav__links a:hover::after, .nav__links a.active::after { transform: scaleX(1); }
.nav__toggle { display: none; width: 42px; height: 42px; place-items: center; border: 1px solid var(--border); border-radius: var(--radius); color: var(--accent); }
.nav__toggle span, .nav__toggle span::before, .nav__toggle span::after { display: block; width: 18px; height: 2px; background: currentColor; }
.nav__toggle span { position: relative; }
.nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; }
.nav__toggle span::before { top: -6px; }
.nav__toggle span::after { top: 6px; }

.hero { min-height: calc(100vh - var(--nav-h)); display: flex; align-items: center; padding: 5rem 0 4rem; }
.hero .container { width: min(100% - 2.5rem, 1260px); }
.hero__grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(590px, 1.08fr); align-items: center; gap: clamp(2.5rem, 4vw, 4rem); }
.hero__badge { display: inline-flex; align-items: center; gap: 0.55rem; margin-bottom: 1.35rem; padding: 0.42rem 0.75rem; border: 1px solid var(--border); border-radius: 999px; color: var(--text-muted); background: rgba(0,255,170,.035); font-family: var(--font-mono); font-size: 0.74rem; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); animation: pulse 2s infinite; }
.line { display: block; }
.glitch-text { position: relative; width: fit-content; }
.glitch-text::before, .glitch-text::after { content: attr(data-text); position: absolute; inset: 0; opacity: .72; pointer-events: none; }
.glitch-text::before { color: var(--cyan); clip-path: inset(0 0 58% 0); animation: glitch-a 3.2s infinite steps(1); }
.glitch-text::after { color: var(--magenta); clip-path: inset(58% 0 0 0); animation: glitch-b 3.8s infinite steps(1); }
@keyframes glitch-a { 0%,92%,100% { transform: translate(0); } 94% { transform: translate(-3px,1px); } 96% { transform: translate(2px,-1px); } }
@keyframes glitch-b { 0%,90%,100% { transform: translate(0); } 92% { transform: translate(3px,0); } 95% { transform: translate(-2px,1px); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .42; } }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.65rem; }
.btn-row--center { justify-content: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; gap: 0.45rem; padding: 0.72rem 1.2rem; border: 1px solid transparent; border-radius: var(--radius); font-family: var(--font-mono); font-size: 0.83rem; letter-spacing: .035em; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { border-color: var(--accent); color: var(--text-inverse); background: var(--accent); box-shadow: 0 0 22px var(--accent-glow); }
.btn--primary:hover { color: var(--text-inverse); background: #36ffbd; }
.btn--ghost { border-color: var(--border-strong); color: var(--accent); background: rgba(0,255,170,.045); }
.btn--ghost:hover { color: var(--accent); background: rgba(0,255,170,.12); box-shadow: var(--shadow-glow); }
.btn--sm { min-height: 38px; padding: .52rem .85rem; font-size: .75rem; }
:where(a, button, input):focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.status-line { display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 1.75rem; color: var(--text-dim); font-family: var(--font-mono); font-size: .7rem; }
.status-line strong { color: var(--accent); font-weight: 500; }
.hero__terminal { position: relative; overflow: hidden; min-height: 375px; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(12,18,29,.96), rgba(6,10,18,.94)); box-shadow: 0 28px 78px rgba(0,0,0,.46), 0 0 42px rgba(0,255,170,.09); }
.hero__terminal::before { content: ""; position: absolute; z-index: 2; top: 0; left: 12%; right: 12%; height: 1px; background: linear-gradient(90deg, transparent, rgba(8,174,234,.68), rgba(0,255,170,.72), rgba(216,11,140,.55), transparent); box-shadow: 0 0 16px rgba(0,255,170,.28); pointer-events: none; }
.terminal__bar { display: flex; align-items: center; gap: .42rem; padding: .8rem 1rem; border-bottom: 1px solid var(--border-dim); background: rgba(255,255,255,.025); }
.terminal__dot { width: 9px; height: 9px; border-radius: 50%; }
.terminal__dot--r { background: var(--danger); }
.terminal__dot--y { background: var(--warning); }
.terminal__dot--g { background: var(--accent); }
.terminal__title { margin-left: .4rem; color: var(--text-dim); font-family: var(--font-mono); font-size: .7rem; }
.terminal__body { min-height: 315px; overflow-x: auto; padding: 1.4rem 1.55rem 1.55rem; color: var(--text-muted); font-family: var(--font-mono); font-size: .82rem; line-height: 1.78; white-space: pre-wrap; scrollbar-width: thin; scrollbar-color: rgba(0,255,170,.34) transparent; }
.terminal__body::-webkit-scrollbar { height: 5px; }
.terminal__body::-webkit-scrollbar-thumb { border-radius: 999px; background: rgba(0,255,170,.34); }
.terminal__line { min-height: 1.78em; }
.terminal__line--prompt { width: max-content; min-width: 100%; white-space: nowrap; }
.terminal__line--prompt:not(:first-child) { margin-top: .72rem; }
.terminal__body .prompt { color: var(--accent); }
.terminal__body .cmd { color: var(--text); }
.terminal__body .out { color: var(--text-muted); }
.terminal__body .ok { color: var(--accent-dim); }
.terminal__body .info { color: var(--cyan); }
.terminal__body .warn { color: var(--warning); }
.cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.cards--four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.cards--two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.card, .project-card, .contact-card, .resource-link, .social-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(18,26,40,.92), rgba(10,14,23,.9));
  box-shadow: 0 14px 36px rgba(0,0,0,.18);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.card { min-height: 260px; padding: 1.45rem; display: flex; flex-direction: column; }
.card:hover, .project-card:hover, .social-card:hover { border-color: var(--border-strong); transform: translateY(-3px); box-shadow: 0 20px 48px rgba(0,0,0,.28), 0 0 24px rgba(0,255,170,.055); }
.card p, .project-card p, .contact-card p { color: var(--text-muted); }
.card__icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 1.15rem; border: 1px solid var(--border-strong); border-radius: var(--radius); color: var(--accent); background: rgba(0,255,170,.055); font-family: var(--font-mono); font-size: .78rem; }
.card__link { margin-top: auto; padding-top: 1.1rem; font-family: var(--font-mono); font-size: .78rem; }
.card__link::after { content: "  →"; }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4rem; }
.split--top { align-items: start; }
.split__visual { padding: 2.3rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: rgba(15,21,32,.72); text-align: center; }
.hex-badge { width: 160px; aspect-ratio: 1; display: grid; place-items: center; margin: 0 auto 1.5rem; color: var(--accent); background: rgba(0,255,170,.05); border: 1px solid var(--border-strong); clip-path: polygon(25% 6%,75% 6%,100% 50%,75% 94%,25% 94%,0 50%); font-family: var(--font-mono); font-size: 1.2rem; letter-spacing: .1em; box-shadow: inset 0 0 35px rgba(0,255,170,.08); }
.hex-badge--large { width: min(230px, 55vw); margin: 0 auto; }
.list-check { display: grid; gap: .72rem; margin-top: 1.4rem; color: var(--text-muted); }
.list-check li { position: relative; padding-left: 1.6rem; }
.list-check li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-family: var(--font-mono); }

.project-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.project-card { min-height: 245px; padding: 1.45rem; display: flex; flex-direction: column; }
.project-card h2 { margin-top: 1rem; font-size: 1.3rem; }
.project-card .btn, .project-card .card__link { margin-top: auto; align-self: flex-start; }
.tag { display: inline-flex; width: fit-content; padding: .22rem .55rem; border: 1px solid var(--border); border-radius: 999px; color: var(--text-muted); background: rgba(255,255,255,.025); font-family: var(--font-mono); font-size: .65rem; text-transform: uppercase; letter-spacing: .05em; }
.tag--tool { border-color: rgba(0,255,170,.34); color: var(--accent); }
.tag--article { border-color: rgba(8,174,234,.35); color: #5ecffc; }
.tag--media { border-color: rgba(216,11,140,.35); color: #ff62b9; }
.tag--zip { border-color: rgba(255,204,0,.32); color: #ffdd52; }

.cta-banner { padding: 3.2rem 2rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: radial-gradient(circle at 50% 0, rgba(0,255,170,.09), transparent 55%), rgba(15,21,32,.72); text-align: center; }
.cta-banner .lead { margin-inline: auto; }
.principle-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .7rem; margin-top: 1.6rem; }
.principle-grid span { padding: .8rem; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text-muted); background: rgba(0,255,170,.03); font-family: var(--font-mono); font-size: .75rem; }

.page-hero { padding: 5rem 0 4rem; border-bottom: 1px solid var(--border-dim); background: linear-gradient(180deg, rgba(0,255,170,.035), transparent); }
.page-hero--cert { background: radial-gradient(circle at 78% 45%, rgba(0,255,170,.08), transparent 28%), linear-gradient(180deg, rgba(0,255,170,.035), transparent); }
.page-hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 3rem; }
.page-hero__logo { width: min(340px, 80%); justify-self: center; filter: drop-shadow(0 0 24px rgba(8,174,234,.15)); }
.page-hero__code { justify-self: center; color: rgba(0,255,170,.25); font-family: var(--font-mono); font-size: clamp(1.5rem,5vw,3.5rem); line-height: 1.25; }
.breadcrumb { display: flex; gap: .55rem; margin-bottom: 1.3rem; color: var(--text-dim); font-family: var(--font-mono); font-size: .72rem; }
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }

.notice { display: grid; grid-template-columns: .65fr 1.35fr; align-items: center; gap: 2rem; padding: 2rem; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: rgba(0,255,170,.045); }
.notice p { color: var(--text-muted); }
.notice--center { display: block; text-align: center; }
.notice--center p { max-width: 68ch; margin: 1rem auto 0; }

.resource-links { display: grid; gap: .9rem; }
.resource-link { display: grid; grid-template-columns: 100px 1fr auto; align-items: center; gap: 1.4rem; padding: 1.2rem 1.3rem; }
.resource-link__type { display: grid; place-items: center; min-height: 72px; border: 1px solid var(--border-strong); border-radius: var(--radius); color: var(--accent); background: rgba(0,255,170,.05); font-family: var(--font-mono); font-size: .72rem; }
.resource-link h2 { margin-bottom: .35rem; font-size: 1.15rem; }
.resource-link p { color: var(--text-muted); }

.contact-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.contact-card { padding: 1.6rem; }
.contact-card h2 { overflow-wrap: anywhere; font-family: var(--font-mono); font-size: clamp(1.2rem,3vw,1.7rem); }
.contact-card .tag { margin-top: 1.2rem; }
.social-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: .8rem; }
.social-card { display: flex; flex-direction: column; gap: .25rem; padding: 1rem; color: var(--text); }
.social-card strong { color: var(--accent); }
.social-card span { color: var(--text-dim); font-family: var(--font-mono); font-size: .7rem; overflow-wrap: anywhere; }

.footer { margin-top: 3rem; padding: 4rem 0 1.6rem; border-top: 1px solid var(--border-dim); background: rgba(3,6,11,.86); }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 2rem; }
.footer__brand p { max-width: 34ch; margin-top: 1rem; color: var(--text-muted); font-size: .9rem; }
.footer__heading { margin-bottom: .9rem; color: var(--text); font-size: .88rem; }
.footer__links { display: flex; flex-direction: column; gap: .52rem; }
.footer__links a, .footer__links span { color: var(--text-dim); font-size: .82rem; }
.footer__links a:hover { color: var(--accent); }
.footer__contact span { overflow-wrap: anywhere; }
.footer__bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.4rem; padding-top: 1.1rem; border-top: 1px solid var(--border-dim); color: var(--text-dim); font-family: var(--font-mono); font-size: .68rem; }

@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__terminal { width: min(100%, 780px); }
}

@media (max-width: 1000px) {
  .cards--four { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .project-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .social-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .footer__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 860px) {
  .nav__toggle { display: grid; }
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: .2rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(8,12,20,.98);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform .24s ease, opacity .24s ease, visibility .24s ease;
  }
  .nav__links.open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .nav__links a { padding: .82rem 1rem; }
  .nav__links a::after { left: 1rem; right: auto; width: 44px; }
  .hero { min-height: auto; }
  .hero__grid, .page-hero__inner, .split { grid-template-columns: 1fr; }
  .hero__grid { gap: 2.5rem; }
  .page-hero__logo, .page-hero__code, .hex-badge--large { display: none; }
  .resource-link { grid-template-columns: 74px 1fr; }
  .resource-link .btn { grid-column: 2; justify-self: start; }
  .notice { grid-template-columns: 1fr; }
}

@media (max-width: 660px) {
  .container, .nav__inner, .divider, .hero .container { width: min(100% - 1.4rem, var(--container)); }
  .section { padding: 3.7rem 0; }
  .section--tight { padding: 2.8rem 0; }
  .logo__text span { display: none; }
  .hero { padding: 3.5rem 0; }
  .hero__terminal { min-height: 330px; }
  .terminal__body { min-height: 270px; padding: 1.15rem 1rem 1.3rem; font-size: .7rem; }
  .terminal__line--prompt:not(:first-child) { margin-top: .58rem; }
  .cards, .cards--four, .cards--two, .project-grid, .contact-grid, .social-grid, .principle-grid, .footer__grid { grid-template-columns: 1fr; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .card { min-height: auto; }
  .resource-link { grid-template-columns: 1fr; }
  .resource-link__type { min-height: 54px; }
  .resource-link .btn { grid-column: 1; }
  .footer__bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  #matrix { display: none; }
  .glitch-text::before, .glitch-text::after { display: none; }
}


/* Resource catalog */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.search-bar {
  display: flex;
  align-items: center;
  gap: .75rem;
  max-width: 440px;
  margin-bottom: 1.2rem;
  padding: .7rem 1rem;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-bar:focus-within { border-color: var(--border-strong); box-shadow: 0 0 0 3px rgba(0,255,170,.08); }
.search-bar svg { flex-shrink: 0; color: var(--text-dim); }
.search-bar input { flex: 1; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; font-family: var(--font-mono); font-size: .88rem; }
.search-bar input::placeholder { color: var(--text-dim); }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.filter-btn { padding: .45rem .9rem; border: 1px solid var(--border-dim); border-radius: 999px; color: var(--text-muted); background: var(--bg-elevated); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; transition: color var(--transition), border-color var(--transition), background var(--transition); }
.filter-btn:hover, .filter-btn.active { color: var(--accent); border-color: var(--border-strong); background: rgba(0,255,170,.08); }
.resource-count { min-height: 1.5rem; margin-bottom: 1rem; color: var(--text-dim); font-family: var(--font-mono); font-size: .72rem; }
.resource-list { display: flex; flex-direction: column; gap: .75rem; }
.resource { display: grid; grid-template-columns: auto 1fr auto; gap: 1.25rem; align-items: center; padding: 1.15rem 1.35rem; border: 1px solid var(--border-dim); border-radius: var(--radius-lg); background: var(--bg-elevated); transition: border-color var(--transition), background var(--transition); }
.resource:hover { border-color: var(--border-strong); background: var(--bg-hover); }
.resource__type { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--accent); background: rgba(0,255,170,.05); font-family: var(--font-mono); font-size: .65rem; font-weight: 700; letter-spacing: .04em; }
.resource__type--pdf { color: var(--warning); border-color: rgba(255,204,0,.25); background: rgba(255,204,0,.05); }
.resource__type--zip { color: #a78bfa; border-color: rgba(167,139,250,.25); background: rgba(167,139,250,.05); }
.resource__type--media { color: #ff62b9; border-color: rgba(216,11,140,.35); background: rgba(216,11,140,.05); }
.resource__type--article { color: #5ecffc; border-color: rgba(8,174,234,.35); background: rgba(8,174,234,.05); }
.resource__body h3 { margin-bottom: .25rem; font-size: 1rem; }
.resource__body p { margin-bottom: .55rem; color: var(--text-muted); font-size: .88rem; }
.card__meta { display: flex; flex-wrap: wrap; gap: .4rem; }
.resource__actions { display: flex; flex-direction: column; align-items: flex-end; gap: .5rem; }
.resource__size { color: var(--text-dim); font-family: var(--font-mono); font-size: .7rem; }
.empty-state { padding: 3rem 1.5rem; border: 1px dashed var(--border); border-radius: var(--radius-lg); color: var(--text-dim); text-align: center; font-family: var(--font-mono); font-size: .88rem; }


@media (max-width: 640px) {
  .resource { grid-template-columns: auto 1fr; gap: .85rem; }
  .resource__actions { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; padding-top: .5rem; border-top: 1px solid var(--border-dim); }
}


/* ACQL v3 page refinements */
.project-search { max-width: 620px; margin-bottom: .35rem; }
.project-grid--catalog { align-items: stretch; }
.project-card[hidden] { display: none; }
.resource-status { margin-top: 2rem; }
.btn--disabled { opacity: .55; cursor: not-allowed; transform: none !important; }

.page-hero--about {
  background:
    radial-gradient(circle at 78% 45%, rgba(8,174,234,.10), transparent 25%),
    radial-gradient(circle at 68% 30%, rgba(216,11,140,.07), transparent 22%),
    linear-gradient(180deg, rgba(0,255,170,.04), transparent);
}
.about-signal {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(17,25,39,.94), rgba(7,11,19,.88));
  box-shadow: 0 22px 65px rgba(0,0,0,.35), 0 0 32px rgba(0,255,170,.08);
}
.about-signal::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 35%, rgba(0,255,170,.05), transparent 65%);
  pointer-events: none;
}
.about-signal > img { width: min(220px, 68%); margin: 0 auto 1.4rem; filter: drop-shadow(0 0 20px rgba(8,174,234,.2)); }
.about-signal__grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .65rem; }
.about-signal__grid span { padding: .8rem; border: 1px solid var(--border-dim); border-radius: var(--radius); background: rgba(255,255,255,.025); }
.about-signal__grid small { display: block; color: var(--text-dim); font-family: var(--font-mono); font-size: .62rem; letter-spacing: .11em; }
.about-signal__grid strong { display: block; margin-top: .1rem; color: var(--accent); font-family: var(--font-mono); font-size: 1rem; }

.about-story { display: grid; grid-template-columns: .9fr 1.1fr; gap: 5rem; align-items: start; }
.about-story__mission { position: sticky; top: calc(var(--nav-h) + 2rem); }
.about-timeline { position: relative; display: grid; gap: 1rem; padding-left: 2rem; }
.about-timeline__rail { position: absolute; top: .8rem; bottom: .8rem; left: .38rem; width: 1px; background: linear-gradient(var(--accent), rgba(0,255,170,.08)); box-shadow: 0 0 12px rgba(0,255,170,.32); }
.about-timeline article { position: relative; padding: 1.25rem 1.35rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(18,26,40,.88), rgba(8,12,20,.86)); }
.about-timeline article::before { content: ""; position: absolute; left: -2.02rem; top: 1.55rem; width: .7rem; height: .7rem; border: 2px solid var(--bg-deep); border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.about-timeline article > span { color: var(--cyan); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; }
.about-timeline article h3 { margin-top: .45rem; }
.about-timeline article p { color: var(--text-muted); }
.about-capabilities .card { min-height: 300px; }
.about-principles { display: grid; grid-template-columns: .75fr 1.25fr; gap: 2rem; align-items: center; padding: 2.2rem; border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: radial-gradient(circle at 100% 0, rgba(8,174,234,.08), transparent 40%), rgba(12,18,28,.82); }
.about-principles__grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .75rem; }
.about-principles__grid span { display: flex; align-items: center; gap: .7rem; padding: 1rem; border: 1px solid var(--border-dim); border-radius: var(--radius); color: var(--text-muted); background: rgba(255,255,255,.025); }
.about-principles__grid b { color: var(--accent); font-family: var(--font-mono); font-size: .72rem; }

@media (max-width: 860px) {
  .about-story, .about-principles { grid-template-columns: 1fr; gap: 2rem; }
  .about-story__mission { position: static; }
}
@media (max-width: 660px) {
  .about-signal { display: none; }
  .about-principles { padding: 1.35rem; }
  .about-principles__grid { grid-template-columns: 1fr; }
}

/* ACQL v4 refinements */
.brand-title {
  display: flex;
  flex-wrap: nowrap;
  align-items: baseline;
  gap: .24em;
  width: max-content;
  max-width: 100%;
  margin-bottom: .7rem;
  white-space: nowrap;
  font-size: clamp(1.55rem, 3.65vw, 3.7rem);
  letter-spacing: -.055em;
}
.brand-title span { display: inline-block; }
.brand-title__ai { color: var(--cyan); text-shadow: 0 0 24px rgba(8,174,234,.2); }
.brand-title__cybernetics { color: var(--danger); text-shadow: 0 0 24px rgba(255,65,96,.16); }
.brand-title__qlab { color: var(--magenta); text-shadow: 0 0 24px rgba(216,11,140,.2); }
.hero__subtitle {
  margin-bottom: 1.15rem;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: clamp(.88rem, 1.5vw, 1.08rem);
  letter-spacing: .015em;
}
.terminal__body .out,
.terminal__body .ok,
.terminal__body .info,
.terminal__body .warn { color: var(--warning); }

.about-signal__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.about-signal__grid span { text-align: center; }

.resource__type[data-type="article"] { color: #5ecffc; border-color: rgba(8,174,234,.35); background: rgba(8,174,234,.05); }
.resource__type[data-type="advisory"] { color: #ff6b7f; border-color: rgba(255,65,96,.34); background: rgba(255,65,96,.05); }
.resource__type[data-type="report"] { color: var(--warning); border-color: rgba(255,204,0,.28); background: rgba(255,204,0,.05); }
.resource__type[data-type="playbook"] { color: #a78bfa; border-color: rgba(167,139,250,.3); background: rgba(167,139,250,.05); }
.resource__type[data-type="guide"] { color: var(--accent); border-color: rgba(0,255,170,.3); background: rgba(0,255,170,.05); }
.resource__type[data-type="detection"] { color: #ff9f43; border-color: rgba(255,159,67,.3); background: rgba(255,159,67,.05); }
.resource__type[data-type="dataset"] { color: #68d8d6; border-color: rgba(104,216,214,.3); background: rgba(104,216,214,.05); }
.resource__type[data-type="media"] { color: #ff62b9; border-color: rgba(216,11,140,.35); background: rgba(216,11,140,.05); }

.page-hero--contact {
  background:
    radial-gradient(circle at 78% 35%, rgba(8,174,234,.11), transparent 27%),
    radial-gradient(circle at 68% 70%, rgba(216,11,140,.08), transparent 24%),
    linear-gradient(180deg, rgba(0,255,170,.035), transparent);
}
.contact-console {
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(17,25,39,.95), rgba(7,11,19,.92));
  box-shadow: 0 24px 70px rgba(0,0,0,.38), 0 0 34px rgba(8,174,234,.08);
}
.contact-console__bar {
  display: flex;
  align-items: center;
  gap: .42rem;
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--border-dim);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: .68rem;
}
.contact-console__bar > span:last-child { margin-left: .35rem; }
.contact-console__body { display: grid; gap: .7rem; padding: 1.2rem; }
.contact-console__body > div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: .9rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  background: rgba(255,255,255,.022);
}
.contact-console__body b {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: .72rem;
}
.contact-console__body span { display: flex; flex-direction: column; gap: .15rem; }
.contact-console__body strong { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .08em; }
.contact-console__body small { color: var(--text-dim); font-size: .75rem; }
.contact-console__status {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .85rem 1.2rem;
  border-top: 1px solid var(--border-dim);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: .68rem;
}
.contact-console__status .dot { width: 6px; height: 6px; }
.contact-grid--enhanced { gap: 1.2rem; }
.contact-grid--enhanced .contact-card {
  position: relative;
  overflow: hidden;
  min-height: 315px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
}
.contact-grid--enhanced .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cyan);
  box-shadow: 0 0 18px currentColor;
}
.contact-grid--enhanced .contact-card--security::before { background: var(--magenta); }
.contact-card__top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.contact-card__index { color: var(--text-dim); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; }
.contact-grid--enhanced .contact-card h2 { margin: .3rem 0 1rem; }
.contact-card__state {
  width: fit-content;
  margin-top: auto;
  padding-top: 1.3rem;
  color: var(--warning);
  font-family: var(--font-mono);
  font-size: .72rem;
}
.contact-card__state::before { content: "[PENDING] "; }
.social-grid--enhanced .social-card {
  position: relative;
  min-height: 160px;
  padding: 1.2rem;
  justify-content: flex-end;
  overflow: hidden;
}
.social-grid--enhanced .social-card::before {
  content: "";
  position: absolute;
  top: -55%;
  right: -35%;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(0,255,170,.08);
  border-radius: 50%;
}
.social-card__index {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--text-dim) !important;
  font-family: var(--font-mono);
  font-size: .66rem !important;
}
.social-grid--enhanced .social-card > b {
  position: absolute;
  top: .9rem;
  right: 1rem;
  color: var(--accent);
  font-size: 1rem;
}
.social-grid--enhanced .social-card strong { font-size: 1.02rem; }

@media (max-width: 660px) {
  .brand-title { gap: .18em; font-size: clamp(1.15rem, 6vw, 1.6rem); }
  .hero__subtitle { font-size: .78rem; }
  .contact-console { display: none; }
  .contact-grid--enhanced .contact-card { min-height: 280px; }
}


/* ACQL v7 alignment refinements */
.footer__bottom {
  justify-content: center;
  text-align: center;
}

/* Desktop actions use the reading-edge of each panel. */
.btn-row,
.btn-row--center {
  justify-content: flex-end;
}

.card__link,
.project-card .btn,
.project-card .card__link {
  align-self: flex-end;
  text-align: right;
}

.resource-link .btn {
  justify-self: end;
}

.resource__actions .btn {
  align-self: flex-end;
}

/* Tablet and phone actions are centered for easier visual scanning and touch use. */
@media (max-width: 1000px) {
  .btn-row,
  .btn-row--center {
    justify-content: center;
  }

  .card__link,
  .project-card .btn,
  .project-card .card__link {
    align-self: center;
    text-align: center;
  }

  .resource-link .btn {
    justify-self: center;
  }

  .resource__actions {
    align-items: center;
  }

  .resource__actions .btn {
    align-self: center;
  }
}

@media (max-width: 640px) {
  .resource__actions {
    justify-content: center;
  }
}

/* ACQL v8 action alignment corrections */
/* Standalone action rows keep their original desktop position. */
.btn-row {
  justify-content: flex-start;
}

/* Rows intentionally designed as centered calls to action stay centered. */
.btn-row--center {
  justify-content: center;
}

/* Actions that live inside cards/panels align right on desktop. */
.card__link,
.project-card .btn,
.project-card .card__link,
.contact-card__action {
  align-self: flex-end;
  text-align: right;
}

.resource-link .btn {
  justify-self: end;
}

.resource__actions {
  align-items: flex-end;
}

.resource__actions .btn {
  align-self: flex-end;
}

.contact-card h2 a {
  color: inherit;
  overflow-wrap: anywhere;
}

.contact-card h2 a:hover {
  color: var(--accent);
}

@media (max-width: 1000px) {
  .btn-row,
  .btn-row--center {
    justify-content: center;
  }

  .card__link,
  .project-card .btn,
  .project-card .card__link,
  .contact-card__action {
    align-self: center;
    text-align: center;
  }

  .resource-link .btn {
    justify-self: center;
  }

  .resource__actions {
    align-items: center;
  }

  .resource__actions .btn {
    align-self: center;
  }
}

.contact-card__action {
  margin-top: auto;
}

.footer__contact a {
  overflow-wrap: anywhere;
}


/* ACQL v9 courses catalog */
.page-hero--courses {
  background:
    radial-gradient(circle at 78% 34%, rgba(255,65,96,.10), transparent 27%),
    radial-gradient(circle at 68% 72%, rgba(8,174,234,.09), transparent 24%),
    linear-gradient(180deg, rgba(0,255,170,.035), transparent);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.course-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(18,26,40,.92), rgba(10,14,23,.9));
  box-shadow: 0 14px 36px rgba(0,0,0,.18);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.course-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
  box-shadow: 0 20px 48px rgba(0,0,0,.28), 0 0 24px rgba(0,255,170,.055);
}

.course-card__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--border-dim);
  background:
    radial-gradient(circle at 70% 25%, rgba(8,174,234,.16), transparent 35%),
    radial-gradient(circle at 30% 80%, rgba(216,11,140,.13), transparent 38%),
    var(--bg-base);
}

.course-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 64%, rgba(5,8,15,.34));
}

.course-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease, filter .3s ease;
}

.course-card:hover .course-card__media img {
  transform: scale(1.025);
  filter: saturate(1.05);
}

.course-card__media .course-card__image--fallback {
  padding: 12%;
  object-fit: contain;
}

.course-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.35rem;
}

.course-card__body h2 {
  margin-bottom: .65rem;
  font-size: 1.28rem;
}

.course-card__body p {
  margin-bottom: 1.3rem;
  color: var(--text-muted);
  font-size: .92rem;
}

.course-card__body .btn {
  align-self: flex-end;
  margin-top: auto;
}

@media (max-width: 1000px) {
  .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .course-card__body .btn { align-self: center; }
}

@media (max-width: 660px) {
  .course-grid { grid-template-columns: 1fr; }
}


/* ACQL v11 course tags */
.course-filters {
  margin-top: .9rem;
}

/* Keep the variable-length description above a fixed card footer. */
.course-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: auto 0 1rem;
  padding-top: .25rem;
}

.course-card__tags .tag {
  color: #8edfff;
  border-color: rgba(8,174,234,.28);
  background: rgba(8,174,234,.045);
}

.course-card__body .btn {
  margin-top: 0;
}