/* CRN Revolutionary Academy Page
Palette: black #000, gold #DAA520, rust #8B4513, gray #c0c0c0, white #f5f5f5
*/
:root{
  --crn-black:#000000;
  --crn-gold:#DAA520;
  --crn-rust:#8B4513;
  --crn-gray:#c0c0c0;
  --crn-white:#f5f5f5;
  --ink:#0b0b0b;
  --panel:#0f0f0f;
  --line: rgba(255,255,255,.12);
  --line2: rgba(218,165,32,.35);
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 22px;
}

*{ box-sizing:border-box; }
html:focus-within{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html:focus-within{ scroll-behavior:auto; }
}


body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--crn-black);
  color: var(--crn-white);
}
/* Accessibility */
.skip-link{
  position:absolute;
  left:-999px; top:0;
  background: var(--gold);
  color: #111;
  padding:.6rem .8rem;
  border-radius:.5rem;
  z-index:999;
}
.skip-link:focus{left:1rem; top:1rem}

/* Utilities */
.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
}
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(0,0,0,.85), rgba(0,0,0,.50));
  border-bottom:1px solid rgba(245,245,245,.10);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:1rem;
  padding:.8rem 0;
}
.brand{display:flex; align-items:baseline; gap:.8rem; min-width: 260px;}
.brand-mark{display:flex; gap:.5rem; align-items:center; text-decoration:none}
.mark-fist{
  display:grid; place-items:center;
  width:38px;height:38px;
  /*border-radius: 10px;*/

  background: linear-gradient(135deg, rgba(218,165,32,.35), rgba(139,69,19,.25));
  /*border:1px solid rgba(218,165,32,.35);*/S
  box-shadow: 0 10px 25px rgba(0,0,0,.55);
}

.mark-text{
  font-family: var(--font-display);
  letter-spacing:.06em;
  font-size:1rem;
  font-weight:700;
}
.brand-tagline{
  font-family: var(--font-display);
  letter-spacing:.10em;
  font-size:.75rem;
  opacity:.9;
  color: rgba(245,245,245,.9);
  display:none;
}
@media (min-width: 860px){
  .brand-tagline{display:block}
}

/* Layout */
.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(0,0,0,.72);
  border-bottom: 1px solid var(--line);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;
  padding: 14px 0;
}



.nav-toggle{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  background: transparent;
  border: 1px solid rgba(245,245,245,.18);
  color: var(--white);
  border-radius:.75rem;
  padding:.55rem .7rem;
  cursor:pointer;
}
@media (min-width: 860px){
  .nav-toggle{display:none}
}

.nav{
  display:none;
  flex-wrap:wrap;
  align-items:center;
  gap:.6rem;
  margin-left:auto;
}
.nav.is-open{display:flex}
@media (min-width: 860px){
  .nav{display:flex}
}
.nav-link{
  text-decoration:none;
  font-weight:600;
  opacity:.92;
  padding:.35rem .5rem;
  border-radius:.2rem;
  border-bottom: 1px solid transparent;
}
.nav-link:hover{border-color: rgba(218,165,32,.35); background: rgba(218,165,32,.08)}
.nav-link.is-active{border-color: rgba(245, 245, 245, 0.746); background: rgba(245,245,245,.06)}






/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  text-decoration:none;
  font-weight: 900;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .08s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn:focus-visible{
  outline: 3px solid var(--crn-gold);
  outline-offset: 3px;
}
.btn--gold{
  background: var(--crn-gold);
  color: var(--crn-black);
}
.btn--outline{
  background: transparent;
  color: var(--crn-white);
  border-color: var(--crn-gold);
}
.btn--ghost{
  background: transparent;
  color: var(--crn-gray);
  border-color: rgba(255,255,255,.18);
}
.btn--full{ width: 100%; }

/* Hero */
.hero{
  padding: 70px 0 46px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(218,165,32,.18), transparent 55%),
    radial-gradient(900px 520px at 90% 25%, rgba(139,69,19,.18), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,.03), transparent);
}
.hero__grid{
  display:grid;
  gap: 18px;
  align-items:start;
}
@media (min-width: 960px){
  .hero__grid{ grid-template-columns: 1.2fr .8fr; }
}
.kicker{
  margin:0 0 10px;
  color: var(--crn-gold);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 900;
  font-size: .92rem;
}
.hero h1{
  margin:0;
  font-size: clamp(2.1rem, 3.8vw, 3.25rem);
  line-height: 1.05;
  text-decoration: none;
}
.lede{
  color: var(--crn-gray);
  line-height: 1.65;
  font-size: 1.05rem;
  max-width: 75ch;
  margin: 14px 0 18px;
}
.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap: 12px;
  margin: 10px 0 16px;
}
.cta-row--tight{ margin-top: 18px; }

.pill-row{
  margin: 0;
  padding: 0;
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}
.pill{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--crn-white);
  font-weight: 700;
  font-size: .92rem;
}

/* Panel */
.panel{
  background: var(--panel);
  border: 1px solid var(--line2);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.panel__title{
  margin: 0 0 12px;
  font-size: 1.15rem;
}
.panel__hr{
  height: 1px;
  background: rgba(255,255,255,.12);
  margin: 14px 0;
}
.stats{
  margin: 0;
  display:grid;
  gap: 10px;
}
.stat{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px 12px;
  border-radius: 16px;
}
.stat dt{ color: var(--crn-gray); font-weight: 750; }
.stat dd{ margin:0; font-weight: 900; color: var(--crn-white); }

/* Sections */
.section{
  padding: 56px 0;
  border-top: 1px solid var(--line);
}
.section--alt{
  background:
    radial-gradient(850px 280px at 50% 0%, rgba(218,165,32,.10), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.02), transparent);
}
.section__head{
  margin-bottom: 18px;
}
.section__head--split{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 16px;
  flex-wrap:wrap;
}
.section h2{
  margin: 0 0 8px;
  font-size: 1.65rem;
}
.muted{
  margin: 0;
  color: var(--crn-gray);
  line-height: 1.65;
}
.small{ font-size: .92rem; }

/* Cards */
.grid{
  display:grid;
  gap: 14px;
}
.grid--4{ grid-template-columns: 1fr; }
@media (min-width: 900px){
  .grid--4{ grid-template-columns: repeat(4, 1fr); }
}
.card{
  background: var(--ink);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: 0 14px 50px rgba(0,0,0,.35);
}
.card__icon{
  width: 44px;
  height: 44px;
  display:grid;
  place-items:center;
  border-radius: 14px;
  background: rgba(218,165,32,.12);
  border: 1px solid rgba(218,165,32,.35);
  margin-bottom: 10px;
  font-size: 1.15rem;
}
.card__title{ margin: 0 0 8px; font-size: 1.15rem; }
.card__text{ margin: 0; color: var(--crn-gray); line-height: 1.6; }

/* Stepper */
.stepper{
  margin: 0;
  padding: 0;
  list-style: none;
  display:grid;
  gap: 12px;
}
.step{
  display:grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items:start;
  border: 1px solid rgba(255,255,255,.12);
  background: var(--ink);
  border-radius: var(--radius);
  padding: 14px;
}
.step__num{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: rgba(218,165,32,.14);
  border: 1px solid rgba(218,165,32,.45);
  font-weight: 950;
  color: var(--crn-gold);
}
.step__title{ margin: 0 0 6px; }
.step__text{ margin: 0; color: var(--crn-gray); line-height: 1.6; }

/* Studio */
.studio{
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  background: var(--ink);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.tablist{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(600px 180px at 15% 0%, rgba(218,165,32,.10), transparent 60%),
    radial-gradient(600px 180px at 85% 120%, rgba(139,69,19,.10), transparent 60%);
}
.tab{
  background: transparent;
  color: var(--crn-white);
  border: 1px solid rgba(255,255,255,.14);
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 900;
  cursor:pointer;
}
.tab[aria-selected="true"]{
  border-color: rgba(218,165,32,.65);
  background: rgba(218,165,32,.12);
}
.tab:focus-visible{
  outline: 3px solid var(--crn-gold);
  outline-offset: 3px;
}
.tabpanel-wrap{ padding: 16px; }
.tabpanel h3{ margin: 0 0 8px; }

.micro-grid{
  margin-top: 12px;
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 900px){
  .micro-grid{ grid-template-columns: repeat(3, 1fr); }
}
.micro{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  border-radius: 18px;
  padding: 14px;
}
.micro h4{ margin: 0 0 6px; }
.micro p{ margin: 0 0 10px; color: var(--crn-gray); line-height: 1.55; }
.prompt{
  margin: 0;
  color: var(--crn-white);
  border-left: 3px solid rgba(218,165,32,.55);
  padding-left: 10px;
}

/* Lab */
.lab-grid{ margin-top: 12px; display:grid; gap: 12px; }
.lab-card{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  border-radius: 18px;
  padding: 14px;
}
.label{ display:block; font-weight: 850; margin: 10px 0 6px; }
.input{
  width: 100%;
  background: #050505;
  color: var(--crn-white);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 14px;
  padding: 11px 12px;
  font-weight: 650;
}
.input:focus-visible{
  outline: 3px solid var(--crn-gold);
  outline-offset: 2px;
}
.two-col{ display:grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 760px){ .two-col{ grid-template-columns: repeat(2, 1fr);} }

.lab-actions{ display:flex; flex-wrap:wrap; gap: 10px; }
.lab-output{
  border: 1px solid rgba(218,165,32,.35);
  background: rgba(218,165,32,.07);
  border-radius: 18px;
  padding: 14px;
}
.code{
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  background: rgba(0,0,0,.55);
  border: 1px solid rgba(255,255,255,.12);
  overflow:auto;
}

/* Toolkit */
.toolkit-list{
  margin: 14px 0 0;
  padding: 0;
  list-style:none;
  display:grid;
  gap: 10px;
}
.toolkit-list li{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  border-radius: 18px;
  padding: 12px 14px;
  color: var(--crn-gray);
}
.dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--crn-gold);
  margin-top: 6px;
  flex: 0 0 auto;
}

/* Accordion */
.accordion{ display:grid; gap: 12px; }
.acc{
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  background: var(--ink);
  padding: 12px 14px;
}
.acc summary{
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 12px;
  font-weight: 950;
}
.acc summary::-webkit-details-marker{ display:none; }
.acc summary:focus-visible{
  outline: 3px solid var(--crn-gold);
  outline-offset: 6px;
}
.acc__meta{ color: var(--crn-gray); font-weight: 700; font-size: .92rem; }
.acc__body{ padding-top: 10px; color: var(--crn-gray); line-height: 1.6; }
.acc__body ul{ margin: 8px 0 0; padding-left: 18px; }

/* Apply */
.apply{ display:grid; gap: 14px; }
@media (min-width: 980px){ .apply{ grid-template-columns: 1.1fr .9fr; align-items:start; } }

.checklist{ margin: 14px 0 0; padding-left: 18px; color: var(--crn-gray); line-height: 1.7; }

.form{
  background: var(--ink);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 14px 50px rgba(0,0,0,.35);
}
.form__actions{ margin-top: 12px; display:flex; flex-wrap:wrap; gap: 10px; }

/* Footer */
.footer{ border-top: 1px solid var(--line); padding: 22px 0 36px; background: rgba(255,255,255,.02); }
.footer__inner{ display:flex; flex-direction:column; gap: 6px; }
.footer__brand{ margin: 0; font-weight: 950; letter-spacing: .02em; }

/* Badges */
.studio-badges{ display:flex; flex-wrap:wrap; gap: 8px; align-items:center; }
.badge{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: var(--crn-gray);
  padding: 8px 10px;
  border-radius: 999px;
  font-weight: 850;
  font-size: .9rem;
}
.badge.is-active{
  color: var(--crn-black);
  background: var(--crn-gold);
  border-color: rgba(218,165,32,.65);
}

/* Toast */
.toast{
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  background: rgba(218,165,32,.94);
  color: var(--crn-black);
  padding: 12px 14px;
  border-radius: 999px;
  font-weight: 950;
  box-shadow: 0 16px 44px rgba(0,0,0,.55);
  z-index: 9999;
}

@media (prefers-reduced-motion: reduce){
  .btn{ transition:none; }
  .btn:hover{ transform:none; }
}