:root{
  --bg: #0b0d10;
  --panel: rgba(255,255,255,.06);
  --panel-2: rgba(255,255,255,.09);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted-2: rgba(255,255,255,.55);
  --border: rgba(255,255,255,.12);
  --shadow: 0 16px 40px rgba(0,0,0,.35);
  --radius: 18px;
  --radius-sm: 14px;
  --container: 1120px;
  --accent: #7dd3fc; /* fallback; browsers will render nicely in light-mode too */
  --accent2: #a78bfa;
}

/* Light mode support */
@media (prefers-color-scheme: light){
  :root{
    --bg: #f7f7fb;
    --panel: rgba(0,0,0,.05);
    --panel-2: rgba(0,0,0,.07);
    --text: rgba(0,0,0,.90);
    --muted: rgba(0,0,0,.70);
    --muted-2: rgba(0,0,0,.55);
    --border: rgba(0,0,0,.12);
    --shadow: 0 16px 40px rgba(0,0,0,.12);
    --accent: #0369a1;
    --accent2: #6d28d9;
  }
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(125,211,252,.20), transparent 55%),
              radial-gradient(900px 550px at 90% 10%, rgba(167,139,250,.18), transparent 50%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: 4px; }
p{ margin: .75rem 0; }
ul{ margin: .5rem 0 0 1.1rem; padding:0; }
li{ margin: .35rem 0; }

.container{
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.skip{
  position:absolute; left:-999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip:focus{
  left: 1rem; top: 1rem; width:auto; height:auto;
  background: var(--panel-2); border: 1px solid var(--border);
  padding: .6rem .75rem; border-radius: 12px;
  outline: none;
}

.site-header{
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 1rem;
  padding: .9rem 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: .75rem;
  min-width: 0;
}

.mark{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  font-weight: 800;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 70%, transparent), color-mix(in srgb, var(--accent2) 70%, transparent));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.name{
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline{
  font-size: .92rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 62vw;
}

.nav{
  display:none;
  gap: .9rem;
  align-items:center;
}

.menu-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor:pointer;
}

.mobile-menu{
  padding: 0 0 1rem 0;
  display:flex;
  flex-direction:column;
  gap: .5rem;
}

.mobile-menu a{
  padding: .75rem .85rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.hero{
  padding: 3.1rem 0 2.2rem 0;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
}

h1{
  font-size: clamp(2rem, 2.2vw + 1.2rem, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 .9rem 0;
}

.lead{
  font-size: 1.06rem;
  color: var(--muted);
  max-width: 70ch;
}

.cta{
  display:flex;
  gap: .7rem;
  flex-wrap: wrap;
  margin-top: 1.1rem;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: .72rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 1px 0 rgba(255,255,255,.04) inset;
  font-weight: 600;
  text-decoration: none !important;
}

.btn:hover{
  background: var(--panel-2);
}

.btn-primary{
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 55%, transparent), color-mix(in srgb, var(--accent2) 55%, transparent));
  border-color: color-mix(in srgb, var(--border) 75%, transparent);
}

.btn-ghost{
  background: transparent;
}

.btn-sm{
  padding: .55rem .8rem;
  border-radius: 12px;
  font-size: .95rem;
}

.meta{
  display:flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: 1.2rem;
}

.pill{
  padding: .35rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  font-size: .92rem;
}

.hero-card{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 80%, transparent), transparent);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-card-inner{
  padding: 1rem 1rem 1.05rem 1rem;
}

.section-title{
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: .6rem;
}

.link-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: .7rem .75rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  margin: .45rem 0;
  text-decoration:none !important;
}

.link-row:hover{
  background: var(--panel-2);
}

.arrow{
  color: var(--muted-2);
}

.divider{
  height: 1px;
  background: var(--border);
  margin: 1rem 0;
}

.bullets{
  margin: 0 0 0 1.1rem;
  color: var(--muted);
}

.section{
  padding: 2.1rem 0;
}

.section.soft{
  padding: 2.4rem 0;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--panel) 65%, transparent), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head{
  display:flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

h2{
  font-size: clamp(1.55rem, 1.3vw + 1.1rem, 2.1rem);
  margin: 0;
  letter-spacing: -0.02em;
}

h3{
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
}

.muted{ color: var(--muted); }
.subhead{
  font-weight: 700;
  margin-top: .25rem;
}

.cards{
  display:grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.card{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 90%, transparent), transparent);
  box-shadow: var(--shadow);
  padding: 1.05rem 1.05rem 1rem 1.05rem;
}

.card-head{
  display:flex;
  flex-direction:column;
  gap: .55rem;
  margin-bottom: .5rem;
}

.chip-row{
  display:flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.chip{
  font-size: .88rem;
  color: var(--muted);
  padding: .3rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
}

.two-col{
  display:grid;
  grid-template-columns: 1fr;
  gap: .9rem;
  margin-top: .65rem;
}

.callout{
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  padding: .85rem .85rem;
  color: var(--muted);
}

.actions{
  display:flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 1rem;
}

.footer-cta{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-actions{
  display:flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.site-footer{
  padding: 1.5rem 0 2.2rem 0;
}

.footer-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Responsive */
@media (min-width: 860px){
  .nav{ display:flex; }
  .menu-btn{ display:none; }
  .mobile-menu{ display:none !important; }
  .hero-grid{ grid-template-columns: 1.35fr .65fr; }
  .cards{ grid-template-columns: 1fr 1fr; }
  .two-col{ grid-template-columns: 1.25fr .75fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; }
}