@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#ebebeb;
  --fg:rgba(0,0,0,.9);
  --fg-secondary:rgba(0,0,0,.55);
  --fg-tertiary:rgba(0,0,0,.35);
  --border:rgba(0,0,0,.1);
  --surface:rgba(0,0,0,.03);
  --surface-hover:rgba(0,0,0,.06);
  --inverse-bg:rgba(0,0,0,.88);
  --inverse-fg:#fff;
  --inverse-fg-dim:rgba(255,255,255,.6);
  --r-sm:6px;
  --r-md:8px;
  --r-lg:12px;
  --r-pill:999px;
}

html{font-size:14px;scroll-behavior:smooth;scroll-padding-top:60px}
body{
  background:var(--bg);color:var(--fg);
  font-family:'Inter',system-ui,sans-serif;line-height:1.5;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}

/* ── NAV ── */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(235,235,235,.85);
  backdrop-filter:blur(20px) saturate(1.2);
  border-bottom:1px solid var(--border);
  height:48px;display:flex;align-items:center;
  padding:0 24px;gap:24px;
}
.nav-brand{
  font-family:'JetBrains Mono',monospace;font-size:13px;font-weight:500;
  color:var(--fg);text-decoration:none;flex-shrink:0;
}
.nav-brand span{color:var(--fg-tertiary)}
.nav-links{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;flex:1}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{
  font-size:13px;font-weight:500;color:var(--fg-secondary);
  text-decoration:none;padding:6px 12px;border-radius:var(--r-pill);
  white-space:nowrap;transition:background var(--ff-fast,.15s) var(--ff-ease,ease),color var(--ff-fast,.15s) var(--ff-ease,ease);
}
.nav-link:hover{background:var(--surface-hover);color:var(--fg)}
.nav-link.active{background:var(--surface-hover);color:var(--fg)}
.nav-pages{display:flex;gap:4px;flex-shrink:0;margin-left:auto}
.nav-page{
  font-size:12px;font-weight:500;color:var(--fg-tertiary);
  text-decoration:none;padding:4px 10px;border-radius:var(--r-pill);
  border:1px solid var(--border);transition:all var(--ff-fast,.15s) var(--ff-ease,ease);white-space:nowrap;
}
.nav-page:hover{border-color:var(--fg-tertiary);color:var(--fg-secondary)}
.nav-page.current{background:var(--surface-hover);color:var(--fg);border-color:var(--fg-tertiary)}

/* ── HERO ── */
.hero{
  background:var(--inverse-bg);color:var(--inverse-fg);
  border-radius:var(--r-lg);
  margin:32px auto;padding:56px 48px;
  max-width:960px;width:calc(100% - 48px);
}
.hero-eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:11px;font-weight:500;
  color:var(--inverse-fg-dim);
  letter-spacing:.02em;margin-bottom:16px;
}
.hero h1{
  font-size:28px;font-weight:600;line-height:1.25;
  letter-spacing:-.02em;margin-bottom:16px;
}
.hero-sub{
  font-size:12px;line-height:1.6;
  color:var(--inverse-fg-dim);max-width:520px;
}
.hero-meta{
  font-family:'JetBrains Mono',monospace;font-size:10px;
  color:rgba(255,255,255,.4);margin-top:20px;
}

/* ── MAIN ── */
.main{
  max-width:960px;width:100%;
  padding:0 24px;margin:64px auto 96px;
}

/* ── SECTIONS ── */
.section{margin-bottom:72px}
.section-label{
  font-size:16px;font-weight:600;
  color:var(--fg);
  margin-bottom:20px;padding-left:1px;
  letter-spacing:-.01em;
}

/* ── STAT HERO GRID ── */
.stat-hero-grid{
  display:flex;flex-direction:column;gap:1px;
  background:var(--border);border-radius:var(--r-md);overflow:hidden;
  margin-bottom:32px;
}
.stat-hero{
  background:rgba(255,255,255,.5);
  padding:28px 32px;text-align:center;
  transition:background var(--ff-fast,.15s) var(--ff-ease,ease);
}
.stat-hero:hover{background:rgba(255,255,255,.85)}
.stat-hero .stat-value{
  font-family:'JetBrains Mono',monospace;font-size:36px;font-weight:500;
  color:var(--fg);line-height:1.1;margin-bottom:8px;
}
.stat-hero .stat-label{
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:500;
  color:var(--fg-tertiary);letter-spacing:.02em;
}
.stat-hero .stat-sub{
  font-size:11px;color:rgba(0,0,0,.25);margin-top:6px;
}

/* ── CARD ── */
.card{
  background:rgba(255,255,255,.5);
  border-radius:var(--r-md);
  padding:28px 32px;
  transition:background var(--ff-fast,.15s) var(--ff-ease,ease);
}
.card:hover{background:rgba(255,255,255,.85)}

/* ── CARD LIST ── */
.card-list{
  display:flex;flex-direction:column;gap:1px;
  background:var(--border);border-radius:var(--r-md);overflow:hidden;
}
.card-list .card{border-radius:0}

/* ── CTR BARS ── */
.ctr-bar-wrap{display:flex;align-items:center;gap:8px}
.ctr-bar{
  flex:1;height:6px;background:var(--surface);border-radius:3px;
  overflow:hidden;
}
.ctr-bar-fill{
  height:100%;border-radius:3px;background:var(--fg-tertiary);
  transition:width .8s cubic-bezier(.25,.46,.45,.94);
}
.ctr-bar-value{
  font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:500;
  min-width:44px;text-align:right;color:var(--fg);
}

/* ── PERSONA CTR CARDS ── */
.persona-ctr-card{
  background:rgba(255,255,255,.5);
  padding:20px 24px;display:flex;align-items:center;gap:16px;
  transition:background var(--ff-fast,.15s) var(--ff-ease,ease);
}
.persona-ctr-card:hover{background:rgba(255,255,255,.85)}
.persona-ctr-rank{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  color:var(--fg-tertiary);width:16px;text-align:center;flex-shrink:0;
}
.persona-ctr-info{flex:1;min-width:0}
.persona-ctr-name{font-size:14px;font-weight:500;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.persona-ctr-value{
  font-family:'JetBrains Mono',monospace;font-size:18px;font-weight:500;
  color:var(--fg);flex-shrink:0;
}

/* ── INSIGHT STRIP ── */
.insight-strip{
  background:rgba(255,255,255,.5);
  border-radius:var(--r-md);
  padding:20px 24px;margin:20px 0;
  display:flex;align-items:flex-start;gap:12px;
}
.insight-strip-icon{font-size:14px;flex-shrink:0;margin-top:1px}
.insight-strip-text{
  font-size:12px;font-weight:400;color:var(--fg-secondary);line-height:1.6;
}

/* ── CALLOUT ── */
.callout{
  background:rgba(255,255,255,.5);border-radius:var(--r-md);
  padding:24px 28px;
}
.callout p{font-size:12px;font-weight:400;color:var(--fg-secondary);line-height:1.6}
.callout p strong{color:var(--fg);font-weight:500}
.callout.warn{background:rgba(255,255,255,.5)}

/* ── TABLES ── */
.table-wrap{overflow-x:auto;border-radius:var(--r-md)}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  color:var(--fg-tertiary);text-align:left;padding:10px 12px;
  border-bottom:1px solid var(--border);white-space:nowrap;
}
tbody td{
  padding:10px 12px;border-bottom:1px solid var(--border);
  font-family:'JetBrains Mono',monospace;font-size:12px;
  white-space:nowrap;color:var(--fg-secondary);
}
tbody tr{transition:background var(--ff-fast,.15s) var(--ff-ease,ease)}
tbody tr:hover{background:rgba(0,0,0,.02)}

/* ── TAGS ── */
.tag{
  display:inline-block;padding:2px 8px;border-radius:var(--r-pill);
  font-size:11px;font-weight:500;
  background:var(--surface);color:var(--fg-secondary);
}

/* ── BADGES ── */
.badge{
  display:inline-block;font-size:11px;font-weight:500;
  padding:2px 8px;border-radius:var(--r-pill);
  background:var(--surface);color:var(--fg-secondary);
}
.badge-best{background:rgba(21,128,61,.08);color:#15803d}
.badge-worst{background:rgba(153,27,27,.06);color:#991b1b}

/* ── DATA COLORS ── */
.c-green{color:#15803d}
.c-red{color:#991b1b}

/* ── COLLAPSIBLE ── */
.collapse-section{margin-bottom:8px}
.collapse-trigger{
  width:100%;background:rgba(255,255,255,.5);
  border:none;border-radius:var(--r-md);padding:16px 24px;
  display:flex;align-items:center;gap:12px;cursor:pointer;
  transition:background var(--ff-fast,.15s) var(--ff-ease,ease),transform var(--ff-fast,.1s) var(--ff-ease,ease);text-align:left;color:var(--fg);
  font-family:'Inter',system-ui,sans-serif;font-size:14px;font-weight:500;
}
.collapse-trigger:hover{background:rgba(255,255,255,.85)}
.collapse-trigger .chevron{
  margin-left:auto;font-size:10px;color:var(--fg-tertiary);
  transition:transform var(--ff-mod,.3s) var(--ff-ease-bounce,ease);flex-shrink:0;
}
.collapse-trigger.open .chevron{transform:rotate(180deg)}
.collapse-trigger .accent-bar{
  width:3px;height:20px;border-radius:2px;flex-shrink:0;
  background:var(--fg-tertiary);
}
.collapse-trigger .collapse-preview{
  font-size:11px;color:var(--fg-tertiary);font-weight:400;
  margin-left:8px;
}
.collapse-body{
  max-height:0;overflow:hidden;transition:max-height var(--ff-slow,.4s) var(--ff-ease,ease);
  margin-left:20px;padding-left:16px;
  border-left:1px solid var(--border);
}
.collapse-body.open{max-height:4000px}
.collapse-body:not(.open){transition-duration:var(--ff-slow-exit,.3s);transition-timing-function:var(--ff-ease-exit,ease)}
.collapse-inner{padding:16px 0}

/* ── GRIDS ── */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}

/* ── TAKEAWAY ── */
.takeaway{
  background:rgba(255,255,255,.5);
  border-radius:var(--r-md);padding:32px;
}
.takeaway h3{font-size:18px;font-weight:600;margin-bottom:20px;letter-spacing:-.01em}
.takeaway-row{
  display:flex;align-items:baseline;gap:16px;
  padding:10px 0;border-bottom:1px solid var(--border);
}
.takeaway-row:last-child{border-bottom:none}
.takeaway-persona{
  font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:500;
  width:90px;flex-shrink:0;color:var(--fg);
}
.takeaway-words{font-size:12px;color:var(--fg-tertiary);line-height:1.5}

/* ── CHART ── */
.chart-card{
  background:rgba(255,255,255,.5);
  border-radius:var(--r-md);padding:28px;
}
.chart-title{
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:500;
  color:var(--fg-tertiary);margin-bottom:20px;letter-spacing:.02em;
}
.chart-wrap{position:relative;height:320px}

/* ── FOOTER ── */
.footer{
  padding:32px;margin-top:32px;
  border-top:1px solid var(--border);
  display:flex;align-items:center;gap:8px;
}
.footer-text,.footer{
  font-size:11px;color:var(--fg-tertiary);
  font-family:'JetBrains Mono',monospace;
  text-align:center;justify-content:center;
}

/* ── THEME TOGGLE ── */
.theme-toggle{
  position:fixed;bottom:24px;right:24px;z-index:200;
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);
  background:var(--surface);backdrop-filter:blur(12px);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:background var(--ff-fast,.15s) var(--ff-ease,ease),border-color var(--ff-fast,.15s) var(--ff-ease,ease),transform var(--ff-fast,.1s) var(--ff-ease,ease);
  box-shadow:0 2px 8px rgba(0,0,0,.1);
}
.theme-toggle:hover{background:var(--surface-hover);border-color:var(--fg-tertiary)}

/* ── DARK MODE ── */
[data-theme="dark"]{
  --bg:#0a0a0a;
  --fg:rgba(255,255,255,.92);
  --fg-secondary:rgba(255,255,255,.6);
  --fg-tertiary:rgba(255,255,255,.35);
  --border:rgba(255,255,255,.1);
  --surface:rgba(255,255,255,.06);
  --surface-hover:rgba(255,255,255,.1);
  --inverse-bg:rgba(255,255,255,.06);
  --inverse-fg:#fff;
  --inverse-fg-dim:rgba(255,255,255,.5);
}
[data-theme="dark"] .nav{background:rgba(10,10,10,.9)}
[data-theme="dark"] .stat-hero{background:rgba(255,255,255,.04)}
[data-theme="dark"] .stat-hero:hover{background:rgba(255,255,255,.08)}
[data-theme="dark"] .stat-hero .stat-sub{color:rgba(255,255,255,.2)}
[data-theme="dark"] .card{background:rgba(255,255,255,.04)}
[data-theme="dark"] .card:hover{background:rgba(255,255,255,.08)}
[data-theme="dark"] .persona-ctr-card{background:rgba(255,255,255,.04)}
[data-theme="dark"] .persona-ctr-card:hover{background:rgba(255,255,255,.08)}
[data-theme="dark"] .insight-strip{background:rgba(255,255,255,.04)}
[data-theme="dark"] .callout{background:rgba(255,255,255,.04)}
[data-theme="dark"] .callout.warn{background:rgba(255,255,255,.04)}
[data-theme="dark"] .collapse-trigger{background:rgba(255,255,255,.04);color:var(--fg)}
[data-theme="dark"] .collapse-trigger:hover{background:rgba(255,255,255,.08)}
[data-theme="dark"] .takeaway{background:rgba(255,255,255,.04)}
[data-theme="dark"] .chart-card{background:rgba(255,255,255,.04)}
[data-theme="dark"] tbody tr:hover{background:rgba(255,255,255,.04)}
[data-theme="dark"] .badge-best{background:rgba(74,222,128,.1);color:#4ade80}
[data-theme="dark"] .badge-worst{background:rgba(248,113,113,.1);color:#f87171}
[data-theme="dark"] .c-green{color:#4ade80}
[data-theme="dark"] .c-red{color:#f87171}
[data-theme="dark"] .hero{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06)}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .nav{padding:0 16px;gap:16px}
  .nav-link{font-size:12px;padding:5px 10px}
  .hero{margin:16px auto;padding:36px 28px;width:calc(100% - 32px)}
  .hero h1{font-size:18px}
  .main{padding:0 16px;margin-top:48px}
  .section{margin-bottom:48px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .nav-pages{display:none}
  .chart-wrap{height:280px}
}

@media(max-width:480px){
  .nav{gap:8px;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .nav-brand{font-size:12px;white-space:nowrap}
  .nav-links{gap:2px}
  .nav-link{font-size:11px;padding:4px 8px;white-space:nowrap}
  .hero{padding:28px 20px;border-radius:var(--r-md)}
  .hero h1{font-size:16px}
  .hero-sub{font-size:12px}
  .main{padding:0 16px;margin-top:32px}
  .section{margin-bottom:36px}
  .persona-ctr-card{flex-direction:column;align-items:flex-start;gap:8px}
  .footer{padding:16px}
  .chart-wrap{height:240px}
}