/* =========================================================
   L'eruga del boix — estils
   Paleta: verds de bosc + terracota alarma + crema paper
   ========================================================= */
:root{
  --forest:#1b3a2b;
  --forest-2:#24503a;
  --moss:#4a7a4e;
  --leaf:#7fb069;
  --leaf-bright:#a7d977;
  --crema:#f6f3ea;
  --paper:#fbfaf5;
  --ink:#1d241f;
  --ink-soft:#4a5850;
  --alarm:#d1495b;
  --alarm-soft:#e8927c;
  --amber:#e9a03b;
  --line:#dcd8c8;
  --shadow:0 18px 40px -20px rgba(20,40,25,.45);
  --radius:18px;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.big-quote{font-family:'Fraunces',Georgia,serif;line-height:1.08;letter-spacing:-.01em}
a{color:inherit}
img{max-width:100%}

.progress-bar{position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--leaf),var(--amber),var(--alarm));z-index:200;transition:width .1s}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.wrap.narrow{max-width:820px}
.band{padding:96px 0}
.band.alt{background:linear-gradient(180deg,#eef2e6,#f3f1e6)}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--moss);margin-bottom:14px}
.band h2{font-size:clamp(1.8rem,3.6vw,2.9rem);font-weight:900;margin:0 0 18px;color:var(--forest)}
.section-intro{max-width:720px;color:var(--ink-soft);font-size:1.08rem;margin:0 0 44px}
.muted{color:var(--ink-soft)}
.hl{color:var(--alarm);white-space:nowrap}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;
  background:radial-gradient(120% 90% at 70% 0%,#2c5a3f 0%,#1b3a2b 55%,#132a20 100%);
  color:#eef4ea;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;opacity:.9}
.hero-bg canvas{width:100%;height:100%;display:block}
.topnav{position:relative;z-index:3;display:flex;justify-content:space-between;align-items:center;
  padding:22px 30px;max-width:1320px;margin:0 auto;width:100%}
.brand{font-family:'Fraunces',serif;font-size:1.12rem}
.navlinks{display:flex;gap:26px}
.navlinks a{font-size:.92rem;font-weight:500;opacity:.85;text-decoration:none;transition:.2s}
.navlinks a:hover{opacity:1;color:var(--leaf-bright)}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:auto;padding:0 30px 60px;width:100%}
.kicker{font-size:.82rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  color:var(--leaf-bright);margin-bottom:18px}
.hero h1{font-size:clamp(2.5rem,6.4vw,5rem);font-weight:900;margin:0 0 22px}
.lead{max-width:640px;font-size:clamp(1.05rem,1.7vw,1.28rem);color:#d5e2d0;margin:0 0 34px}
.lead b{color:#fff}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:52px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;
  font-weight:600;font-size:.98rem;text-decoration:none;cursor:pointer;border:0;transition:.2s;font-family:inherit}
.btn-primary{background:var(--leaf-bright);color:#16311f}
.btn-primary:hover{background:#bde68f;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#eef4ea;border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn.small{padding:9px 18px;font-size:.86rem}
.hero-stats{display:flex;gap:16px;flex-wrap:wrap}
.hstat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:16px 20px;backdrop-filter:blur(4px);min-width:150px}
.hstat b{display:block;font-family:'Fraunces',serif;font-size:1.9rem;font-weight:900;color:#fff;line-height:1}
.hstat span{font-size:.84rem;color:#c4d3bd}
.scroll-hint{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:2;
  font-size:1.4rem;color:#9fc08d;animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- intro quote ---------- */
.big-quote{font-size:clamp(1.5rem,3.4vw,2.5rem);font-weight:600;color:var(--forest);margin:0 0 26px}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:20px;padding-left:8px}
.timeline::before{content:"";position:absolute;left:26px;top:6px;bottom:6px;width:3px;
  background:linear-gradient(180deg,var(--leaf),var(--amber),var(--alarm))}
.tl-item{position:relative;padding:0 0 34px 74px;opacity:0;transform:translateY(18px);
  transition:.6s}
.tl-item.in{opacity:1;transform:none}
.tl-dot{position:absolute;left:14px;top:2px;width:27px;height:27px;border-radius:50%;
  background:var(--paper);border:4px solid var(--moss);display:flex;align-items:center;
  justify-content:center;font-size:.8rem;z-index:2}
.tl-item.key .tl-dot{border-color:var(--alarm);box-shadow:0 0 0 5px rgba(209,73,91,.15)}
.tl-year{font-family:'Fraunces',serif;font-weight:900;font-size:1.25rem;color:var(--forest)}
.tl-item.key .tl-year{color:var(--alarm)}
.tl-place{font-weight:600;font-size:.86rem;color:var(--moss);margin-left:10px}
.tl-text{margin:6px 0 0;color:var(--ink-soft);max-width:640px}

/* ---------- biologia ---------- */
.bio-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;margin-bottom:54px}
.lifecycle{position:relative;aspect-ratio:1;max-width:440px;margin:0 auto;width:100%}
.lc-svg{width:100%;height:100%;overflow:visible}
.lc-seg{cursor:pointer;transition:.25s}
.lc-label{font-size:13px;font-weight:600;fill:var(--forest);pointer-events:none}
.lc-center{font-family:'Fraunces',serif}
.bio-facts .fact{background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--leaf);
  border-radius:12px;padding:16px 20px;margin-bottom:14px;box-shadow:var(--shadow);
  opacity:.55;transition:.3s}
.bio-facts .fact.active{opacity:1;border-left-color:var(--alarm);transform:translateX(4px)}
.bio-facts .fact h4{margin:0 0 4px;font-size:1.02rem;color:var(--forest);font-family:'Inter',sans-serif;font-weight:700}
.bio-facts .fact p{margin:0;font-size:.92rem;color:var(--ink-soft)}
.drivers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.driver{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow)}
.driver .dicon{font-size:2rem;margin-bottom:10px}
.driver h3{margin:0 0 8px;font-size:1.18rem;color:var(--forest)}
.driver p{margin:0;color:var(--ink-soft);font-size:.94rem}
.driver .dbig{font-family:'Fraunces',serif;font-weight:900;color:var(--alarm);font-size:1.5rem}

/* ---------- mapa ---------- */
.map-shell{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:stretch}
.map-canvas-wrap{background:linear-gradient(180deg,#eaf1e3,#dfe9d6);border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
#mapSvg{width:100%;height:auto;display:block}
.map-side{display:flex;flex-direction:column;gap:18px}
.map-yearbox{background:var(--forest);color:#fff;border-radius:var(--radius);padding:20px 24px;text-align:center}
.map-yearlabel{font-size:.78rem;letter-spacing:.15em;text-transform:uppercase;color:var(--leaf-bright)}
.map-year{display:block;font-family:'Fraunces',serif;font-weight:900;font-size:3.2rem;line-height:1}
.map-readout{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  font-size:.94rem;color:var(--ink-soft);min-height:96px}
.map-readout b{color:var(--forest)}
.map-controls{display:flex;flex-direction:column;gap:12px}
.map-controls input[type=range]{width:100%}
.map-note{font-size:.8rem;color:var(--ink-soft);margin:0;line-height:1.5}
.mp-city{font-size:12px;font-weight:600;fill:var(--ink)}
.mp-city.dim{fill:#9aa89a}

/* ---------- dades reals ---------- */
.src-toggle{display:inline-flex;gap:4px;background:#e6ecdd;border:1px solid var(--line);
  border-radius:999px;padding:4px;margin-bottom:22px}
.src-btn{border:0;background:transparent;padding:9px 18px;border-radius:999px;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:.88rem;color:var(--ink-soft);transition:.2s}
.src-btn.active{background:var(--forest);color:#fff;box-shadow:0 3px 10px -3px rgba(20,40,25,.5)}
.src-explain{margin:-6px 0 22px;font-size:.92rem;color:var(--ink-soft);max-width:760px;min-height:1.4em}
.src-explain b{color:var(--forest)}
.real-shell{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:stretch}
.real-legend{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.86);
  border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:.74rem;color:var(--ink);
  backdrop-filter:blur(3px);max-width:220px}
.real-legend .lg-row{display:flex;align-items:center;gap:7px;margin:3px 0}
.real-legend .lg-sw{width:12px;height:12px;border-radius:50%;flex-shrink:0;border:1px solid rgba(0,0,0,.15)}
.real-legend .lg-title{font-weight:700;color:var(--forest);margin-bottom:5px;display:block}
.real-legend .lg-grad{height:10px;border-radius:5px;margin:4px 0 2px}
.real-legend .lg-scale{display:flex;justify-content:space-between;font-size:.68rem;color:var(--ink-soft)}
.real-map-wrap{position:relative;background:linear-gradient(180deg,#eef4e6,#e2ecd8);
  border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);
  overflow:hidden;aspect-ratio:1/.92}
#realCanvas{width:100%;height:100%;display:block}
.real-side{display:flex;flex-direction:column;gap:16px}
.real-yearbox{background:var(--forest);color:#fff;border-radius:var(--radius);padding:16px 22px;text-align:center}
.real-counter{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  display:flex;gap:18px}
.real-counter .rc{flex:1}
.real-counter .rc b{display:block;font-family:'Fraunces',serif;font-weight:900;font-size:1.9rem;
  color:var(--forest);line-height:1}
.real-counter .rc.new b{color:var(--alarm)}
.real-counter .rc span{font-size:.78rem;color:var(--ink-soft)}
.real-histo-wrap{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px 16px 8px}
.histo-title{font-size:.78rem;color:var(--ink-soft);font-weight:600}
#realHisto{width:100%;height:auto;margin-top:6px;overflow:visible}
.hbar{fill:#cdd9c1;transition:fill .2s}
.hbar.done{fill:#7fb069}
.hbar.cur{fill:var(--alarm)}
.hbar-lbl{font-size:8px;fill:#8a968a;font-family:'Inter',sans-serif}

/* ---------- simulador ---------- */
.sim-shell{display:grid;grid-template-columns:320px 1fr;gap:30px;align-items:start}
.sim-controls{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);position:sticky;top:20px}
.ctrl{margin-bottom:22px}
.ctrl label{display:flex;justify-content:space-between;align-items:baseline;font-weight:600;
  font-size:.9rem;color:var(--forest);margin-bottom:8px;gap:10px}
.ctrl-val{font-family:'Fraunces',serif;font-weight:900;color:var(--alarm);font-size:1rem;white-space:nowrap}
.ctrl-hint{display:block;font-size:.76rem;color:var(--ink-soft);margin-top:6px;line-height:1.4}
input[type=range]{-webkit-appearance:none;appearance:none;height:6px;border-radius:6px;
  background:linear-gradient(90deg,var(--leaf),var(--amber));outline:none;margin:4px 0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:var(--forest);border:3px solid #fff;box-shadow:0 2px 6px rgba(0,0,0,.25);cursor:pointer}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--forest);
  border:3px solid #fff;cursor:pointer}
.sim-preset{font-size:.78rem;color:var(--ink-soft);margin:14px 0 0;line-height:1.7}
.preset-link{border:0;background:#e6ecdd;color:var(--forest);font-family:inherit;font-weight:600;
  font-size:.76rem;padding:3px 9px;border-radius:999px;cursor:pointer;transition:.2s}
.preset-link:hover{background:var(--leaf-bright)}
.sim-outputs{display:flex;flex-direction:column;gap:26px}
.scenario-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.scard{background:var(--forest);color:#fff;border-radius:14px;padding:18px 16px;position:relative;overflow:hidden;
  transition:.3s}
.scard::after{content:"";position:absolute;left:0;bottom:0;height:5px;width:var(--fill,0%);
  background:linear-gradient(90deg,var(--amber),var(--alarm));transition:width .5s}
.scard .syear{font-size:.78rem;color:var(--leaf-bright);font-weight:600}
.scard .sval{font-family:'Fraunces',serif;font-weight:900;font-size:2.05rem;line-height:1.05;margin:4px 0}
.scard .slab{font-size:.76rem;color:#c4d3bd}
.scenario-desc{margin:2px 0 4px;padding:14px 18px;background:linear-gradient(120deg,#eef3e6,#f3f1e6);
  border:1px solid var(--line);border-left:5px solid var(--moss);border-radius:12px;
  font-size:.98rem;color:var(--ink-soft)}
.scenario-desc b{color:var(--forest)}
.chart-block{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px 12px;box-shadow:var(--shadow)}
.chart-head{margin-bottom:8px}
.chart-head h3{margin:0;font-size:1.1rem;color:var(--forest)}
.chart-sub{font-size:.82rem;color:var(--ink-soft)}
#chartLocal,#chartRegion{width:100%;height:auto}
.disclaimer{margin-top:22px;font-size:.82rem;color:var(--ink-soft);background:#fff6e9;
  border:1px solid #f0dcb8;border-radius:12px;padding:14px 18px}

/* ---------- actuar ---------- */
.actions{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:40px}
.action{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 24px;
  display:flex;gap:16px;box-shadow:var(--shadow)}
.action .anum{font-family:'Fraunces',serif;font-weight:900;font-size:1.7rem;color:var(--leaf);flex-shrink:0}
.action h3{margin:0 0 6px;font-size:1.08rem;color:var(--forest)}
.action p{margin:0;font-size:.92rem;color:var(--ink-soft)}
.hope{background:linear-gradient(120deg,var(--forest),var(--forest-2));color:#eef4ea;
  border-radius:var(--radius);padding:34px 38px;box-shadow:var(--shadow)}
.hope h3{margin:0 0 12px;font-size:1.5rem;color:#fff}
.hope p{margin:0;color:#d5e2d0;max-width:760px}

/* ---------- fonts ---------- */
.sources{background:#11241a;color:#d5e2d0}
.sources .eyebrow{color:var(--leaf-bright)}
.sources h2{color:#fff}
.sources .section-intro{color:#b6c8ad}
.sourcelist{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:10px}
.sourcelist a{display:block;padding:12px 16px;background:rgba(255,255,255,.05);border-radius:10px;
  text-decoration:none;font-size:.9rem;border:1px solid rgba(255,255,255,.08);transition:.2s}
.sourcelist a:hover{background:rgba(255,255,255,.1)}
.sourcelist a b{color:#fff}
.sourcelist a span{color:#9fc08d}
.method{border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:6px 18px;background:rgba(255,255,255,.03)}
.method summary{cursor:pointer;padding:12px 0;font-weight:600;color:var(--leaf-bright)}
.method-body p{font-size:.9rem;color:#b6c8ad}
.method-body b{color:#fff}

/* ---------- footer ---------- */
.foot{background:#0d1c14;color:#8fa587;text-align:center;padding:40px 20px}
.foot p{margin:4px 0}
.foot-small{font-size:.8rem;opacity:.7}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .navlinks{display:none}
  .bio-grid{grid-template-columns:1fr}
  .drivers{grid-template-columns:1fr}
  .map-shell{grid-template-columns:1fr}
  .sim-shell{grid-template-columns:1fr}
  .sim-controls{position:static}
  .scenario-cards{grid-template-columns:repeat(2,1fr)}
  .actions{grid-template-columns:1fr}
  .band{padding:64px 0}
}
@media(max-width:480px){
  .scenario-cards{grid-template-columns:1fr}
  .hstat{min-width:120px;flex:1}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal,.tl-item{opacity:1;transform:none;transition:none}
}