@font-face{font-family:"Fraunces";font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/Fraunces-display.woff2) format("woff2")}
@font-face{font-family:"Atkinson Next";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/AtkinsonHyperlegibleNext.woff2) format("woff2")}

/* ------------------------------------------------------------------ tokens */
:root{
  color-scheme:light;
  --bg:#faf4e8; --bg-2:#f3e8d2; --surface:#fffdf6; --surface-2:#f1e4c8;
  --text:#2a2013; --text-2:#4a3a26; --muted:#52422b;
  --line:#c9b58e; --line-soft:#e0d2b2;
  --accent:#821b29; --accent-ink:#ffffff; --accent-soft:#f3d9d2;
  --hot:#7a3408; --hot-soft:#f5e0c8;
  --gold:#7a5a00; --gold-soft:#f2e2ae;
  --ok:#175227; --ok-soft:#d9ecd9; --no:#7f1a1a; --no-soft:#f6dada;
  --leaf-vein:#fffdf6; --leaf-stem:#4a3a26;
  --shadow:0 1px 2px rgba(60,40,10,.08),0 8px 30px rgba(60,40,10,.10);
  --bar-h:3.25rem;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Atkinson Next","Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#17110b; --bg-2:#1e1510; --surface:#241a12; --surface-2:#2e2218;
  --text:#f5ead6; --text-2:#ddd0b6; --muted:#c4b49a;
  --line:#5a4a34; --line-soft:#41332a;
  --accent:#f0b45c; --accent-ink:#241204; --accent-soft:#3a2a16;
  --hot:#f0935c; --hot-soft:#3d2417;
  --gold:#e8c85c; --gold-soft:#38300f;
  --ok:#9be7b4; --ok-soft:#14352a; --no:#ffb0a8; --no-soft:#3d1c1a;
  --leaf-vein:#faf4e8; --leaf-stem:#ddd0b6;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px rgba(0,0,0,.45);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#17110b; --bg-2:#1e1510; --surface:#241a12; --surface-2:#2e2218;
    --text:#f5ead6; --text-2:#ddd0b6; --muted:#c4b49a;
    --line:#5a4a34; --line-soft:#41332a;
    --accent:#f0b45c; --accent-ink:#241204; --accent-soft:#3a2a16;
    --hot:#f0935c; --hot-soft:#3d2417;
    --gold:#e8c85c; --gold-soft:#38300f;
    --ok:#9be7b4; --ok-soft:#14352a; --no:#ffb0a8; --no-soft:#3d1c1a;
    --leaf-vein:#faf4e8; --leaf-stem:#ddd0b6;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 34px rgba(0,0,0,.45);
  }
}

/* ------------------------------------------------------------------ base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:1.125rem;line-height:1.62;overflow-x:clip;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
img{height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:.08em}
a:hover{text-decoration-thickness:.14em}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
button{font:inherit;color:inherit}
[hidden]{display:none !important}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.6rem 1rem;z-index:100;border-radius:0 0 .5rem 0}
.skip:focus{left:0}
.vh{position:absolute !important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

h1,h2,h3{font-family:var(--serif);font-variation-settings:"SOFT" 100;line-height:1.04;letter-spacing:-.015em;margin:0;text-wrap:balance}
h1{font-weight:850;font-size:clamp(2.5rem,7.6vw,5.9rem)}
h2{font-weight:800;font-size:clamp(2rem,5vw,3.6rem)}
h3{font-weight:750;font-size:clamp(1.35rem,2.6vw,1.8rem);line-height:1.15}
p{margin:0 0 1.1em}
.wrap{width:min(100% - 2.5rem,41rem);margin-inline:auto}
.wide{width:min(100% - 2.5rem,74rem);margin-inline:auto}
section{scroll-margin-top:calc(var(--bar-h) + .75rem)}
.chapter{padding:clamp(4rem,10vw,8rem) 0 clamp(2rem,5vw,4rem)}
.chapter-head{margin-bottom:clamp(1.5rem,3vw,2.5rem)}
.kicker{font-family:var(--sans);font-weight:700;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--hot);margin:0 0 .9rem}
.lede{font-size:clamp(1.2rem,2.2vw,1.45rem);line-height:1.5;color:var(--text-2)}
.note{font-size:.95rem;color:var(--muted)}
strong{font-weight:700}

/* ------------------------------------------------------------------ top bar */
.topbar{position:sticky;top:0;z-index:50;height:var(--bar-h);display:flex;align-items:center;gap:.4rem;padding:0 max(.75rem,env(safe-area-inset-left)) 0 max(.9rem,env(safe-area-inset-left));background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.topbar .home{font-weight:700;font-size:.95rem;color:var(--text);text-decoration:none;white-space:nowrap;padding:.7rem .3rem}
.topnav{display:flex;gap:.1rem;overflow-x:auto;scrollbar-width:none;min-width:0;flex:0 1 auto;margin-left:.5rem}
.topnav::-webkit-scrollbar{display:none}
.topnav a{white-space:nowrap;text-decoration:none;color:var(--text-2);font-size:.95rem;padding:.7rem .6rem;border-radius:.5rem}
.topnav a[aria-current="true"]{color:var(--accent);font-weight:700}
.spacer{flex:1 1 0}
.chip{display:inline-flex;align-items:center;min-height:2.75rem;padding:0 .8rem;border:1px solid var(--line);border-radius:999px;color:var(--text);text-decoration:none;font-size:.9rem;font-weight:600;white-space:nowrap}
.icon-btn{display:inline-grid;place-items:center;width:2.75rem;height:2.75rem;border-radius:50%;border:1px solid var(--line);background:transparent;cursor:pointer;flex:none}
.icon-btn svg{display:block}
.icon-btn svg[hidden]{display:none}

/* ------------------------------------------------------------------ reading rail */
.rail{display:none}
@media (min-width:76rem){
  .rail{display:flex;flex-direction:column;gap:.15rem;position:fixed;right:1.1rem;top:50%;transform:translateY(-50%);z-index:40}
  .rail-dot{display:flex;align-items:center;justify-content:flex-end;gap:.55rem;min-height:1.6rem;text-decoration:none;color:var(--text)}
  .rail-dot .dot{width:7px;height:7px;border-radius:50%;background:var(--line);transition:transform .2s,background .2s}
  .rail-dot[aria-current="true"] .dot{background:var(--hot);transform:scale(1.6)}
  .rail-label{font-size:.8rem;font-weight:600;opacity:0;transform:translateX(6px);transition:opacity .15s,transform .15s;background:var(--surface);border:1px solid var(--line-soft);padding:.1rem .5rem;border-radius:.4rem;pointer-events:none}
  .rail-dot:hover .rail-label,.rail-dot:focus-visible .rail-label{opacity:1;transform:none}
}

/* ------------------------------------------------------------------ hero */
.hero{position:relative;min-height:calc(100svh - var(--bar-h));display:grid;align-items:end;overflow:clip;isolation:isolate;background:var(--bg-2)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:url("img/frunza_rosie.webp?v=1") center 30%/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(20,10,4,.55) 0%,rgba(20,10,4,.18) 34%,color-mix(in srgb,var(--bg) 82%,transparent) 78%,var(--bg) 100%)}
.hero-copy{position:relative;padding:clamp(1.5rem,5vw,4rem) 0 clamp(2rem,6vw,4.5rem);width:min(100% - 2.5rem,74rem);margin-inline:auto}
.hero-copy .panel{max-width:46rem;background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--line-soft);border-radius:1.4rem;padding:clamp(1.2rem,3vw,2.2rem);box-shadow:var(--shadow)}
.hero h1{margin-bottom:.9rem}
.hero .deck{font-size:clamp(1.15rem,2.1vw,1.4rem);line-height:1.45;color:var(--text-2);margin:0 0 1.3rem;max-width:38rem}
.byline{font-size:.92rem;color:var(--muted);margin:1rem 0 0}
.cta{display:inline-flex;align-items:center;gap:.6rem;min-height:3rem;padding:.2rem 1.3rem;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;border:0;cursor:pointer}
.cta:hover{filter:brightness(1.08)}
.cta svg{transition:transform .2s}
.cta:hover svg{transform:translateY(3px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:3rem;padding:.2rem 1.15rem;border-radius:999px;border:2px solid var(--accent);background:transparent;color:var(--accent);font-weight:700;text-decoration:none;cursor:pointer}
.btn[aria-pressed="true"],.btn.solid{background:var(--accent);color:var(--accent-ink)}
.btn:disabled{opacity:.5;cursor:default}

/* ------------------------------------------------------------------ share */
.share{padding:1.2rem 0 0}
.share-row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.share-row .lab{font-size:.92rem;color:var(--muted);margin-right:.2rem}
.share-row a,.share-row button{display:inline-flex;align-items:center;min-height:3rem;padding:0 1rem;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer}
.share-status{font-size:.92rem;color:var(--ok);min-height:1.2em;margin:.4rem 0 0}
.share-field{width:100%;margin-top:.5rem;padding:.6rem;border:1px solid var(--line);border-radius:.5rem;background:var(--surface);color:var(--text);font:inherit;font-size:.9rem}

/* ------------------------------------------------------------------ figures */
figure{margin:clamp(1.8rem,4vw,3rem) 0}
figure img{border-radius:1rem;border:1px solid var(--line-soft);background:var(--surface-2);width:100%}
figcaption{font-size:.93rem;line-height:1.5;color:var(--text-2);margin-top:.7rem}
figcaption .credit{display:block;color:var(--muted);font-size:.85rem;margin-top:.25rem}
.fig-wide{width:min(100% - 2.5rem,62rem);margin-inline:auto}
.fig-narrow{width:min(100% - 2.5rem,30rem);margin-inline:auto}

/* ------------------------------------------------------------------ sliders */
.slider label{display:flex;justify-content:space-between;gap:1rem;font-weight:700;font-size:1rem}
.slider output{color:var(--hot);font-variant-numeric:tabular-nums;white-space:nowrap}
input[type=range]{width:100%;height:2.75rem;accent-color:var(--hot);margin:0;background:transparent}

/* ------------------------------------------------------------------ the pigment mixer */
.mixer{background:var(--surface);border:1px solid var(--line-soft);border-radius:1.6rem;box-shadow:var(--shadow);overflow:clip;display:grid;padding:clamp(1.2rem,3vw,2rem);gap:1.5rem}
@media (min-width:56rem){.mixer{grid-template-columns:minmax(0,5fr) minmax(0,6fr);align-items:center}}
.leaf-stage{display:grid;place-items:center;background:radial-gradient(circle at 50% 42%,var(--surface-2) 0%,var(--surface) 72%);border-radius:1.1rem;padding:1rem;min-height:20rem}
.big-leaf{width:min(100%,17rem);height:auto}
.leaf-fill{transition:fill .25s}
.leaf-vein{stroke:var(--leaf-vein);stroke-width:2;opacity:.6;stroke-linecap:round}
.leaf-stem{stroke:var(--leaf-stem);stroke-width:5;stroke-linecap:round}
.mixer-controls{display:grid;gap:.7rem;align-content:start}
.mixer-title{font-family:var(--serif);font-weight:800;font-size:1.5rem;margin:0}
.presets{display:flex;gap:.6rem;flex-wrap:wrap}
.mixer-say{font-size:1.12rem;margin:.2rem 0 0;min-height:2.6em}
.mixer-static{display:none}
.no-js .mixer-controls{display:none}
.no-js .mixer-static{display:block}

/* ------------------------------------------------------------------ frost quiz + verdict */
.frost-quiz{margin-top:clamp(1.5rem,3vw,2.5rem)}
.frost-btns{display:flex;gap:.7rem;flex-wrap:wrap;margin:1rem 0 1.2rem}
.frost.right{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}
.frost.wrong{border-color:var(--no);background:var(--no-soft);color:var(--no)}
.verdict{border-left:5px solid var(--accent);background:var(--surface);padding:1rem 1.2rem;border-radius:0 1rem 1rem 0}

/* ------------------------------------------------------------------ daylight chart */
.chart-fig{background:var(--surface);border:1px solid var(--line-soft);border-radius:1.6rem;box-shadow:var(--shadow);padding:clamp(1rem,2.5vw,1.8rem)}
.daychart{display:block;width:100%;height:auto}
.daychart .grid-l{stroke:var(--line-soft);stroke-width:1}
.daychart .tick{font-family:var(--sans);font-size:15px;font-weight:600;fill:var(--muted)}
.daychart .curve{fill:none;stroke:var(--hot);stroke-width:3.5;stroke-linecap:round;stroke-linejoin:round}
.daychart .area{fill:var(--hot-soft);opacity:.55;stroke:none}
.daychart .key-dot{fill:var(--accent)}
.daychart .mark-l{stroke:var(--accent);stroke-width:2;stroke-dasharray:6 4}
.daychart .mark-dot{fill:var(--accent);stroke:var(--surface);stroke-width:2}
.no-js .day-marker{display:none}
.day-slider{margin-top:.6rem}
.day-say{font-size:1.15rem;font-weight:700;margin:.4rem 0 0}
.chart-static-note{font-size:1rem;color:var(--text-2);margin:.4rem 0 0}

/* ------------------------------------------------------------------ hypothesis vote */
.vote-cards{display:grid;gap:.8rem;margin:1.4rem 0 .6rem}
@media (min-width:56rem){.vote-cards{grid-template-columns:1fr 1fr 1fr}}
.vote-card{display:grid;gap:.4rem;align-content:start;text-align:left;padding:1.1rem 1.2rem;min-height:3rem;border:2px solid var(--line);border-radius:1.2rem;background:var(--surface);cursor:pointer}
.vote-card strong{font-family:var(--serif);font-size:1.3rem}
.vote-card span{font-size:.98rem;color:var(--text-2)}
.vote-card[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.pick-note{font-weight:700;min-height:1.4em}
.ev-table{margin-top:1rem}
.ev-table h3{margin:.4rem 0 1.2rem}
.ev-row{background:var(--surface);border:1px solid var(--line-soft);border-radius:1.1rem;padding:1rem 1.2rem;margin-bottom:.9rem}
.ev-row h4{font-family:var(--serif);font-size:1.25rem;margin:0 0 .5rem}
.ev-row p{margin:0 0 .5rem;font-size:1rem}
.ev-row p:last-child{margin-bottom:0}
.ev-row .trouble{color:var(--text-2)}
.conclusion{font-size:1.1rem;border-left:5px solid var(--hot);padding:.2rem 0 .2rem 1rem;margin-top:1.4rem}

/* ------------------------------------------------------------------ trees */
.trees{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(15.5rem,1fr));margin-top:1.5rem}
.tree-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:1.2rem;padding:1rem 1.1rem 1.1rem;display:grid;gap:.3rem;align-content:start}
.tree-card .chip{height:4.2rem;border-radius:.8rem;border:1px solid var(--line-soft)}
.chip-fag{background:linear-gradient(135deg,#e8b91a,#d97f1e 55%,#c1551f)}
.chip-stejar{background:linear-gradient(135deg,#8a5a2b,#6b4423 55%,#4e3018)}
.chip-paltin{background:linear-gradient(135deg,#d9a419,#a8762a 55%,#6b4a23)}
.chip-carpen{background:linear-gradient(135deg,#d9c02a,#c9a227 55%,#a8762a)}
.chip-scumpie{background:linear-gradient(135deg,#d94f1e,#b81f2d 55%,#7a1f3d)}
.chip-arin{background:linear-gradient(135deg,#3d7a2c,#4a8a35 55%,#2f6b28)}
.tree-card h3{font-size:1.35rem;margin-top:.4rem}
.tree-card .latin{color:var(--muted);font-size:.95rem;margin:0}
.tree-card p{margin:0;font-size:.98rem}

/* ------------------------------------------------------------------ game */
.game{background:var(--surface);border:1px solid var(--line-soft);border-radius:1.6rem;box-shadow:var(--shadow);padding:clamp(1.2rem,3vw,2.2rem)}
.game-progress{display:flex;gap:.35rem;margin:0 0 1.2rem;padding:0;list-style:none}
.game-progress li{flex:1;height:.5rem;border-radius:999px;background:var(--surface-2);border:1px solid var(--line-soft)}
.game-progress li.ok{background:var(--ok);border-color:var(--ok)}
.game-progress li.no{background:var(--no);border-color:var(--no)}
.game-progress li.now{border-color:var(--text)}
.q{font-family:var(--serif);font-variation-settings:"SOFT" 100;font-weight:750;font-size:clamp(1.45rem,3.2vw,2.1rem);line-height:1.15;margin:0 0 1.2rem;text-wrap:balance}
.answers{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;max-width:30rem}
.answers button{min-height:3.6rem;border-radius:1rem;border:2px solid var(--line);background:var(--bg);font-weight:800;font-size:1.1rem;cursor:pointer}
.answers button:hover:not(:disabled){border-color:var(--accent)}
.answers button.picked.ok{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.answers button.picked.no{background:var(--no-soft);border-color:var(--no);color:var(--no)}
.answers button.truth{border-color:var(--ok)}
.explain{margin-top:1.2rem;padding:1rem 1.2rem;border-radius:1rem;background:var(--bg);border:1px solid var(--line-soft)}
.explain .tag{font-weight:800}
.explain .tag.ok{color:var(--ok)}.explain .tag.no{color:var(--no)}
.explain p{margin:.2rem 0 .8rem}
.result h3{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:.5rem}
.result .score{font-weight:800;color:var(--hot);font-size:1.2rem}
.all-answers{margin:1.5rem 0 0;padding:0;list-style:none;display:grid;gap:.9rem}
.all-answers li{padding:.9rem 1.1rem;border:1px solid var(--line-soft);border-radius:1rem;background:var(--surface)}
.all-answers .tag{font-weight:800;margin-right:.4rem}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:80}

/* ------------------------------------------------------------------ sources + footer */
.sources{font-size:.97rem}
.sources h3{margin:2rem 0 .6rem;font-size:1.25rem}
.sources ul{padding-left:1.1rem;margin:0}
.sources li{margin-bottom:.55rem;overflow-wrap:anywhere}
.gaps li::marker{color:var(--hot)}
.site-footer{border-top:1px solid var(--line-soft);padding:2rem 1.25rem 3rem;text-align:center;font-size:.95rem;color:var(--text-2);margin-top:4rem}
.site-footer p{margin:0}

/* ------------------------------------------------------------------ reveal on scroll (only when scripts run) */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
.pop{animation:pop .45s cubic-bezier(.2,1.4,.4,1)}
@keyframes pop{0%{transform:scale(.92)}60%{transform:scale(1.04)}100%{transform:scale(1)}}

.nf{min-height:100svh;display:grid;place-items:center;text-align:center}
.nf-main h1{font-size:clamp(2rem,6vw,3.5rem);margin-bottom:1rem}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal,.js .reveal.in{opacity:1 !important;transform:none !important;transition:none !important}
  .pop{animation:none}
  .leaf-fill{transition:none}
}
@media print{.topbar,.rail,.share,.confetti{display:none}}

/* ------------------------------------------------------------------ phone */
@media (max-width:40rem){
  .hero{min-height:calc(100svh - var(--bar-h))}
  .hero-copy{padding:34svh 0 1.2rem}
  .hero-copy .panel{padding:1.1rem 1.1rem 1.2rem;border-radius:1.2rem}
  .hero h1{font-size:clamp(2rem,9vw,2.6rem)}
  .hero .deck{font-size:1.05rem;margin-bottom:1rem}
  .byline{font-size:.85rem}
  .leaf-stage{min-height:15rem}
  .big-leaf{width:min(100%,12rem)}
  .mixer-say{min-height:0}
}