:root{
  --bg: #f6f7fb;
  --surface: rgba(15,23,42,.04);
  --surface-2: rgba(255,255,255,.92);
  --chrome: rgba(255,255,255,.78);
  --text: rgba(15,23,42,.92);
  --muted: rgba(15,23,42,.72);
  --muted-2: rgba(15,23,42,.58);
  --border: rgba(15,23,42,.14);
  --focus: rgba(109,125,255,.35);
  --accent: #6d7dff;
  --accent-2: #2fe7ff;
  --maxw: 1120px;

  --radius: 16px;
  --radius-sm: 12px;

  --shadow: 0 18px 40px rgba(15,23,42,.12);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--chrome);
  color: var(--text);
  line-height:1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display:flex;
  flex-direction:column;
}

main{
  flex: 1 0 auto;
}

body.page-article{
  background: var(--chrome);
}

a{color:inherit}

.container{
  max-width: var(--maxw);
  padding: 0 20px;
  margin: 0 auto;
}

.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;
}

.skip-link{
  position:absolute;
  left:16px;
  top:16px;
  transform: translateY(-140%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration:none;
  backdrop-filter: blur(10px);
}
.skip-link:focus{transform: translateY(0)}

.site-header{
  position: sticky;
  top:0;
  z-index:50;
  border-bottom: 1px solid transparent;
  background: var(--chrome);
  backdrop-filter: blur(12px);
}
.site-header[data-elevate="true"]{
  border-bottom-color: var(--border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  text-decoration:none;
}

.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 25px rgba(0,0,0,.35);
  font-weight: 800;
  letter-spacing: .02em;
}

.brand-text{display:flex; flex-direction:column; line-height:1.05}
.brand-name{font-weight: 800}
.brand-tag{font-size: 12px; color: var(--muted-2)}

.nav{
  display:flex;
  align-items:center;
  gap: 16px;
}

.nav-link{
  text-decoration:none;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.nav-link:hover{color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); border-color: color-mix(in srgb, var(--text) 10%, transparent)}

.icon-button{
  display:none;
  align-items:center;
  justify-content:center;
  width: 44px;
  height: 44px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  cursor:pointer;
}

.hamburger{
  width: 18px;
  height: 12px;
  position: relative;
}
.hamburger::before,
.hamburger::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height: 2px;
  background: color-mix(in srgb, var(--text) 90%, transparent);
  border-radius: 3px;
}
.hamburger::before{top:0}
.hamburger::after{bottom:0}

.hero{
  padding: 46px 0 18px;
}

.hero-inner{
  display:grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items:stretch;
}

.kicker{
  margin:0 0 10px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .02em;
}

.hero-title{
  margin:0;
  font-size: clamp(30px, 4vw, 46px);
  line-height:1.05;
  letter-spacing: -0.02em;
}

.hero-subtitle{
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 60ch;
}

.hero-actions{
  margin-top: 18px;
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  text-decoration:none;
  font-weight: 700;
  cursor:pointer;
}

.button-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: var(--border);
  box-shadow: var(--shadow);
}

.button-ghost{
  background: color-mix(in srgb, var(--text) 5%, transparent);
}

.hero-metrics{
  margin: 18px 0 0;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  display:grid;
  gap: 10px;
}

.metric{
  display:flex;
  justify-content:space-between;
  gap: 14px;
}

.metric dt{color: var(--muted); font-weight:600}
.metric dd{margin:0; color: var(--text); font-weight:700}

.hero-card{
  margin:0;
  height: 100%;
}

.section{
  padding: 28px 0;
}

#longreads{
  background: var(--surface-2);
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.section-title{
  margin:0;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.section-subtitle{
  margin:0;
  color: var(--muted);
  max-width: 60ch;
}

.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card,
.feature-card{
  margin:0;
}

.card-surface{
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.90));
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
  padding: 16px;
  height: 100%;
}

.card-surface-borderless{
  border: 0;
  box-shadow: none;
}

.card-hit{
  position: absolute;
  inset: 0;
  border-radius: inherit;
  z-index: 3;
  border: 0;
  background: transparent;
}

.card-hit:focus{
  outline: none;
}

.card-hit:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}


.card-media{
  margin: -16px -16px 12px;
  border-radius: var(--radius) var(--radius) 14px 14px;
  overflow: hidden;
  background: var(--surface);
  aspect-ratio: 16 / 9;
}

.card-image{
  display:block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  border: 1px solid var(--border);
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
}

.card-row{display:flex; align-items:center; justify-content:space-between; gap: 10px; margin-bottom: 10px}

.card-title{margin: 10px 0 0; font-size: clamp(20px, 1.6vw, 24px); letter-spacing: -0.01em; line-height: 1.18}
.card-excerpt{margin: 10px 0 0; color: var(--muted); font-size: 15px}

.card-meta{
  margin-top: 12px;
  display:flex;
  align-items:center;
  gap: 8px;
  color: var(--muted);
}

.meta-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(124,92,255,.18);
  border: 1px solid rgba(124,92,255,.30);
  font-weight: 800;
  font-size: 12px;
}

.meta-muted{color: var(--muted-2); font-weight: 600; font-size: 12px}
.meta-sep{color: var(--muted-2)}

.card-link{
  display:inline-flex;
  margin-top: 14px;
  font-weight: 800;
  text-decoration:none;
  padding: 10px 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  border: 1px solid var(--border);
}

.card-link:hover{background: color-mix(in srgb, var(--text) 7%, transparent)}

.stack{
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.row-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.row-title{margin:0; font-size: 16px; letter-spacing: -0.01em}
.row-excerpt{margin: 6px 0 0; color: var(--muted); font-size: 14px}
.row-meta{margin-top: 10px; display:flex; gap: 10px; align-items:center}
.row-link{
  white-space:nowrap;
  text-decoration:none;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 5%, transparent);
  font-weight: 800;
}

.two-col{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.cta{
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 520px);
  gap: 14px;
  padding: 18px;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent), color-mix(in srgb, var(--accent-2) 14%, transparent));
}

.cta-copy{align-self:start}

.cta-title{margin:0; font-size: 20px; letter-spacing:-0.01em}
.cta-subtitle{margin: 8px 0 0; color: var(--muted)}

.cta-form{
  display:grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items:end;
  align-self:end;
}

.cta-form .input{min-width: 0; width: 100%}

.cta-form .form-note{grid-column: 1 / -1}

.input{
  min-width: min(360px, 100%);
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.95);
  color: var(--text);
  outline:none;
}

.input:focus{border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--focus) 80%, transparent)}

.form-note{
  width: 100%;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.site-footer{
  padding: 26px 0 40px;
  border-top: 1px solid var(--border);
  margin-top: 10px;
  background: rgba(255,255,255,.70);
}

.article{padding-bottom: 28px}

.article-header{
  padding: 10px 0 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}

.article-title{
  margin: 6px 0 0;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.article-dek{
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
  max-width: 72ch;
}

.article-meta{
  margin-top: 14px;
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  align-items:center;
}

.article-body{
  display:grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items:start;
}

.prose{
  color: var(--text);
  font-size: 18px;
  line-height: 1.75;
  max-width: 70ch;
}

.prose p{margin: 0 0 18px; color: var(--text)}
.prose h2{
  margin: 28px 0 12px;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.prose ul{margin: 0 0 18px; padding-left: 20px; color: var(--muted)}
.prose li{margin: 8px 0}

.prose blockquote{
  margin: 18px 0;
  padding: 14px 14px;
  border-left: 3px solid color-mix(in srgb, var(--accent) 70%, transparent);
  background: var(--surface);
  border-radius: 14px;
  color: var(--muted);
}

.rail{
  position: sticky;
  top: 86px;
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.rail-card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 14px;
}

.rail-title{margin:0; font-weight: 900; letter-spacing: -0.01em}

.toc{margin-top: 10px; display:flex; flex-direction:column; gap: 10px}
.toc a{
  color: var(--muted);
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: color-mix(in srgb, var(--text) 3%, transparent);
}
.toc a:hover{color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); border-color: color-mix(in srgb, var(--text) 10%, transparent)}

.rail-links{margin-top: 10px; display:flex; flex-direction:column; gap: 10px}
.rail-links a{color: var(--muted); text-decoration:none}
.rail-links a:hover{color: var(--text)}

.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
}

.footer-brand{margin:0; font-weight: 900}
.footer-muted{margin: 6px 0 0; color: var(--muted-2)}

.footer-links{
  display:flex;
  gap: 14px;
}
.footer-links a{
  color: var(--muted);
  text-decoration:none;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.footer-links a:hover{color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); border-color: color-mix(in srgb, var(--text) 10%, transparent)}

@media (max-width: 980px){
  .grid{grid-template-columns: repeat(2, minmax(0, 1fr))}
  .hero-inner{grid-template-columns: 1fr;}
  .article-body{grid-template-columns: 1fr;}
  .rail{position: static}
}

@media (max-width: 720px){
  .site-header .container{
    padding-left: calc(24px + env(safe-area-inset-left));
    padding-right: calc(24px + env(safe-area-inset-right));
  }

  .grid{grid-template-columns: 1fr}
  #longreads .card-excerpt{display:none}

  .icon-button{display:inline-flex}
  .nav{
    display:none;
    position:absolute;
    left: calc(24px + env(safe-area-inset-left));
    right: calc(24px + env(safe-area-inset-right));
    top: 66px;
    flex-direction:column;
    align-items:stretch;
    gap: 10px;
    padding: 12px;
    border-radius: var(--radius);
    background: rgba(255,255,255,.94);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
  }
  .nav[data-open="true"]{display:flex}
  .nav-link{padding: 10px 12px}

  .section-head{flex-direction:column; align-items:flex-start}
  .two-col{grid-template-columns: 1fr}
  .cta{display:flex; flex-direction:column; align-items:stretch}
  .cta-copy{width: 100%}
  .cta-form{
    width: 100%;
    align-self: stretch;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }
  .input{min-width: 100%}
  .footer-inner{flex-direction:column}

  .article-dek{font-size: 17px}
  .prose{font-size: 17px}
}

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