/* =========================================================
   Capire gli investimenti — design system
   Palette "carta calda" · Fraunces (titoli) + Inter (testo)
   ========================================================= */

:root {
  /* Carta e inchiostro */
  --paper:      #f5eee1;
  --paper-2:    #faf4e9;
  --card:       #fffdf8;
  --ink:        #221d17;
  --ink-soft:   #574e42;
  --muted:      #8b8173;
  --line:       #e6d9c4;
  --line-soft:  #efe6d6;

  /* Accenti */
  --green:      #2f6f57;   /* crescita / azionario / primario */
  --green-d:    #235440;
  --green-soft: #dbeadf;
  --amber:      #bf7d1c;   /* evidenza / accento caldo */
  --amber-soft: #f6e7c8;
  --rust:       #b14a2e;   /* rischio / perdita / attenzione */
  --rust-soft:  #f3ddd2;
  --blue:       #3a6a86;   /* difensivo / obbligazioni */
  --blue-soft:  #d9e6ec;
  --gold:       #c2a02f;   /* oro */
  --gold-soft:  #f0e6c2;

  /* Misure */
  --radius:     14px;
  --radius-sm:  9px;
  --shadow:     0 1px 2px rgba(60,45,20,.05), 0 6px 20px rgba(60,45,20,.07);
  --shadow-sm:  0 1px 2px rgba(60,45,20,.06), 0 2px 8px rgba(60,45,20,.05);
  --sidebar-w:  290px;
  --content-w:  728px;

  --serif: "Fraunces", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --play: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 2l11 6-11 6z'/%3E%3C/svg%3E");
}

/* testo dei grafici SVG */
.chart text { font-family: var(--sans); }
.c-axis { font-size: 11px; fill: var(--muted); }
.c-end  { font-size: 11.5px; font-weight: 700; }

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(circle at 12% -5%, rgba(191,125,28,.06), transparent 36%),
    radial-gradient(circle at 95% 0%, rgba(47,111,87,.05), transparent 30%);
  line-height: 1.62;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; }
a { color: var(--green-d); text-underline-offset: 3px; text-decoration-color: rgba(47,111,87,.35); }
a:hover { text-decoration-color: var(--green); }

/* ---------- tipografia ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.14;
  color: var(--ink);
  letter-spacing: -.01em;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.1rem, 5vw, 3rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2rem); margin-top: 2.4em; }
h3 { font-size: 1.27rem; margin-top: 1.8em; }
h4 { font-size: 1.06rem; font-family: var(--sans); font-weight: 700; margin-top: 1.5em; }
p  { margin: 0 0 1.05em; }
strong { font-weight: 600; color: var(--ink); }
em { color: var(--ink); }
ul, ol { margin: 0 0 1.15em; padding-left: 1.3em; }
li { margin-bottom: .5em; }
li::marker { color: var(--amber); }
hr { border: none; border-top: 1px solid var(--line); margin: 2.4em 0; }
small { font-size: .85em; }
sup { font-size: .68em; }

.lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.eyebrow {
  font-family: var(--sans);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 .9em;
}

/* ---------- layout ---------- */
.layout { display: flex; align-items: flex-start; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 26px 18px 40px 26px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
  scrollbar-width: thin;
}
.sidebar__brand { display: flex; align-items: center; gap: 11px; text-decoration: none; margin-bottom: 6px; }
.sidebar__mark {
  width: 34px; height: 34px; flex: 0 0 34px; border-radius: 9px;
  background: var(--green); color: #fff; display: grid; place-items: center;
  font-family: var(--serif); font-weight: 700; font-size: 1.15rem;
}
.sidebar__title { font-family: var(--serif); font-weight: 600; font-size: 1.06rem; color: var(--ink); line-height: 1.1; }
.sidebar__sub { font-size: .74rem; color: var(--muted); letter-spacing: .02em; }

.nav { margin-top: 22px; list-style: none; padding: 0; }
.nav__item { margin: 1px 0; }
.nav__link {
  display: flex; align-items: baseline; gap: 11px;
  padding: 8px 12px; border-radius: 9px;
  text-decoration: none; color: var(--ink-soft);
  font-size: .93rem; line-height: 1.3;
  transition: background .12s, color .12s;
}
.nav__link:hover { background: rgba(191,125,28,.09); color: var(--ink); }
.nav__num {
  flex: 0 0 1.45em; font-variant-numeric: tabular-nums;
  font-weight: 700; font-size: .8rem; color: var(--muted);
}
.nav__item--active .nav__link { background: var(--green-soft); color: var(--green-d); font-weight: 600; }
.nav__item--active .nav__num { color: var(--green); }
.nav__sep { margin: 14px 12px 8px; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 700; }

.content {
  flex: 1 1 auto;
  min-width: 0;
  padding: 70px clamp(20px, 5vw, 76px) 90px;
  display: flex; justify-content: center;
}
.content > .wrap { width: 100%; max-width: var(--content-w); }

/* il widget e altri blocchi possono sforare la colonna di lettura */
.bleed { width: 100%; }

/* ---------- barra progresso + topbar mobile ---------- */
.progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--amber); width: 0; z-index: 60; transition: width .1s linear; }

.topbar {
  display: none;
  position: sticky; top: 0; z-index: 50;
  align-items: center; gap: 12px;
  padding: 11px 16px;
  background: rgba(250,244,233,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar__burger {
  width: 40px; height: 40px; border: 1px solid var(--line); background: var(--card);
  border-radius: 9px; display: grid; place-items: center; cursor: pointer; color: var(--ink);
}
.topbar__burger svg { width: 20px; height: 20px; }
.topbar__title { font-family: var(--serif); font-weight: 600; font-size: 1rem; }
.scrim { display: none; position: fixed; inset: 0; background: rgba(34,29,23,.4); z-index: 45; }

/* ---------- hero ---------- */
.hero { margin-bottom: 8px; }
.module-tag {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .76rem; font-weight: 700; letter-spacing: .04em;
  color: var(--green-d); background: var(--green-soft);
  padding: 5px 13px; border-radius: 999px; margin-bottom: 20px;
}
.module-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }

/* ---------- callout ---------- */
.callout {
  position: relative;
  border: 1px solid var(--line);
  border-left: 4px solid var(--muted);
  background: var(--card);
  border-radius: 12px;
  padding: 18px 20px 18px 22px;
  margin: 1.7em 0;
  box-shadow: var(--shadow-sm);
}
.callout__title { font-family: var(--sans); font-weight: 700; font-size: .96rem; margin: 0 0 .4em; display: flex; align-items: center; gap: 9px; }
.callout p:last-child { margin-bottom: 0; }
.callout .ico { font-size: 1.1rem; line-height: 1; }
.callout--key   { border-left-color: var(--green); background: linear-gradient(180deg, var(--green-soft), var(--card) 70%); }
.callout--key   .callout__title { color: var(--green-d); }
.callout--myth  { border-left-color: var(--rust); background: linear-gradient(180deg, var(--rust-soft), var(--card) 75%); }
.callout--myth  .callout__title { color: var(--rust); }
.callout--info  { border-left-color: var(--blue); }
.callout--info  .callout__title { color: var(--blue); }
.callout--warn  { border-left-color: var(--amber); background: linear-gradient(180deg, var(--amber-soft), var(--card) 80%); }
.callout--warn  .callout__title { color: var(--amber); }

/* "mito vs realtà" */
.myth-real { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin: 1.7em 0; box-shadow: var(--shadow-sm); }
.myth-real > div { padding: 16px 18px; }
.myth-real .mr-myth { background: var(--rust-soft); border-right: 1px solid var(--line); }
.myth-real .mr-real { background: var(--green-soft); }
.myth-real h4 { margin: 0 0 .35em; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; }
.myth-real .mr-myth h4 { color: var(--rust); }
.myth-real .mr-real h4 { color: var(--green-d); }
.myth-real p { margin: 0; font-size: .96rem; }

/* esempio numerico */
.example {
  background: var(--paper-2);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 1.6em 0;
  font-size: .98rem;
}
.example .example__label { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--amber); display: block; margin-bottom: .5em; }
.example .num { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--green-d); white-space: nowrap; }
.example p:last-child { margin-bottom: 0; }

/* key takeaways */
.takeaways { background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--green); border-radius: 12px; padding: 22px 24px; margin: 2.4em 0 1em; box-shadow: var(--shadow-sm); }
.takeaways h3 { margin: 0 0 .7em; font-size: 1.1rem; color: var(--green-d); display: flex; align-items: center; gap: 9px; }
.takeaways ul { margin: 0; padding-left: 1.2em; }
.takeaways li { margin-bottom: .55em; }

/* stat cards */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 1.7em 0; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; box-shadow: var(--shadow-sm); }
.stat__num { font-family: var(--serif); font-size: 1.9rem; font-weight: 600; color: var(--green-d); line-height: 1; font-variant-numeric: tabular-nums; }
.stat__num.rust { color: var(--rust); }
.stat__num.blue { color: var(--blue); }
.stat__label { font-size: .84rem; color: var(--ink-soft); margin-top: .4em; }

/* tabelle */
.table-wrap { overflow-x: auto; margin: 1.7em 0; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-sm); }
table { width: 100%; border-collapse: collapse; background: var(--card); font-size: .95rem; }
th, td { padding: 11px 15px; text-align: left; border-bottom: 1px solid var(--line-soft); }
thead th { background: var(--paper-2); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); font-weight: 700; }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tag-pos { color: var(--green-d); font-weight: 600; }
.tag-neg { color: var(--rust); font-weight: 600; }

/* ---------- widget ---------- */
.widget {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: 2.2em 0;
  overflow: hidden;
}
.widget__head { padding: 18px 22px 0; }
.widget__kicker { font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--amber); display: flex; align-items: center; gap: 7px; }
.widget__kicker::before { content: ""; width: 14px; height: 14px; background: var(--amber); -webkit-mask: var(--play) center/contain no-repeat; mask: var(--play) center/contain no-repeat; }
.widget__title { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; margin: .35em 0 .1em; }
.widget__desc { font-size: .92rem; color: var(--ink-soft); margin: 0; }
.widget__body { padding: 18px 22px 22px; }
.widget__grid { display: grid; grid-template-columns: 270px 1fr; gap: 22px; align-items: start; }
@media (max-width: 720px){ .widget__grid { grid-template-columns: 1fr; } }

.controls { display: flex; flex-direction: column; gap: 16px; }
.control label { display: flex; justify-content: space-between; align-items: baseline; font-size: .85rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; gap: 8px; }
.control .val { font-variant-numeric: tabular-nums; color: var(--green-d); font-weight: 700; background: var(--green-soft); padding: 1px 8px; border-radius: 6px; font-size: .82rem; }
input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 5px; background: var(--line); outline: none; accent-color: var(--green); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 19px; height: 19px; border-radius: 50%; background: var(--green); border: 3px solid var(--card); box-shadow: 0 1px 4px rgba(0,0,0,.2); cursor: pointer; }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--green); border: 3px solid var(--card); cursor: pointer; }

.seg { display: inline-flex; background: var(--paper-2); border: 1px solid var(--line); border-radius: 9px; padding: 3px; gap: 3px; flex-wrap: wrap; }
.seg button { border: none; background: transparent; padding: 7px 13px; border-radius: 7px; font-family: var(--sans); font-size: .85rem; font-weight: 600; color: var(--ink-soft); cursor: pointer; transition: .12s; }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--green); color: #fff; box-shadow: var(--shadow-sm); }

.widget__viz { min-width: 0; }
.chart { width: 100%; height: auto; display: block; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 12px; font-size: .84rem; color: var(--ink-soft); }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend i { width: 13px; height: 4px; border-radius: 2px; display: inline-block; }
.legend i.dash { background-image: linear-gradient(90deg, currentColor 55%, transparent 0); background-size: 7px 100%; }

.readout { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px,1fr)); gap: 12px; margin-top: 18px; }
.readout .ro { background: var(--paper-2); border: 1px solid var(--line-soft); border-radius: 10px; padding: 12px 14px; }
.readout .ro b { display: block; font-family: var(--serif); font-size: 1.45rem; font-weight: 600; line-height: 1.05; font-variant-numeric: tabular-nums; color: var(--ink); }
.readout .ro.pos b { color: var(--green-d); }
.readout .ro.neg b { color: var(--rust); }
.readout .ro.accent b { color: var(--amber); }
.readout .ro span { font-size: .78rem; color: var(--muted); display: block; margin-top: 3px; }

.widget__verdict { margin-top: 16px; padding: 13px 16px; border-radius: 10px; background: var(--green-soft); border: 1px solid var(--line); font-size: .94rem; color: var(--ink); }
.widget__verdict.neg { background: var(--rust-soft); }
.widget__verdict.neutral { background: var(--paper-2); }
.widget__verdict b { color: inherit; }

.widget__note {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-top: 1px solid var(--line-soft);
  background: var(--paper-2);
  font-size: .78rem; color: var(--muted);
}
.widget__note::before { content: "ⓘ"; font-size: .95rem; }

/* ---------- disclaimer / footer ---------- */
.disclaimer {
  background: var(--paper-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 20px; margin: 2em 0;
  font-size: .88rem; color: var(--ink-soft);
}
.disclaimer strong { color: var(--rust); }

.pager { display: flex; gap: 14px; margin-top: 64px; padding-top: 26px; border-top: 1px solid var(--line); }
.pager a { flex: 1; text-decoration: none; border: 1px solid var(--line); border-radius: 12px; padding: 15px 18px; background: var(--card); transition: .14s; box-shadow: var(--shadow-sm); }
.pager a:hover { border-color: var(--green); transform: translateY(-1px); }
.pager .dir { font-size: .74rem; color: var(--muted); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.pager .ttl { font-family: var(--serif); font-weight: 600; color: var(--ink); margin-top: 3px; }
.pager .next { text-align: right; }

.site-footer { margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--line); font-size: .82rem; color: var(--muted); }
.site-footer a { color: var(--ink-soft); }

/* ---------- home ---------- */
.home-hero { text-align: left; padding-top: 10px; }
.home-hero h1 { max-width: 13ch; }
.module-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(225px, 1fr)); gap: 16px; margin: 2em 0; }
.mod-card { text-decoration: none; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; transition: .15s; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 6px; }
.mod-card:hover { transform: translateY(-2px); border-color: var(--green); box-shadow: var(--shadow); }
.mod-card .mc-num { font-family: var(--serif); font-size: 1.5rem; color: var(--amber); font-weight: 600; }
.mod-card h3 { margin: 0; font-size: 1.08rem; }
.mod-card p { margin: 0; font-size: .9rem; color: var(--ink-soft); }
.mod-card .mc-go { margin-top: auto; padding-top: 8px; font-size: .82rem; font-weight: 600; color: var(--green-d); }

.feature-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 18px; margin: 1.8em 0; }
.feature { display: flex; gap: 12px; align-items: flex-start; }
.feature .fico { flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px; background: var(--green-soft); color: var(--green-d); display: grid; place-items: center; font-size: 1.2rem; }
.feature h4 { margin: 0 0 .2em; font-family: var(--sans); }
.feature p { margin: 0; font-size: .9rem; color: var(--ink-soft); }

/* ---------- glossario ---------- */
.gloss { display: grid; gap: 14px; margin: 1.6em 0; }
.gloss dt { font-family: var(--serif); font-weight: 600; font-size: 1.08rem; color: var(--green-d); }
.gloss dd { margin: .2em 0 0; color: var(--ink-soft); }
.gloss .entry { border-bottom: 1px solid var(--line-soft); padding-bottom: 14px; }
.gloss-jump { display: flex; flex-wrap: wrap; gap: 6px; margin: 1.4em 0; }
.gloss-jump a { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 7px; background: var(--card); border: 1px solid var(--line); text-decoration: none; font-weight: 600; font-size: .85rem; color: var(--ink-soft); }
.gloss-jump a:hover { background: var(--green-soft); color: var(--green-d); }

/* abbr/termine */
.term { border-bottom: 1px dotted var(--amber); cursor: help; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  body { font-size: 16px; }
  .topbar { display: flex; }
  .sidebar {
    position: fixed; top: 0; left: 0; z-index: 48;
    transform: translateX(-100%); transition: transform .22s ease;
    box-shadow: 0 0 40px rgba(0,0,0,.18);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .scrim { display: block; }
  .content { padding: 28px 20px 70px; }
  .myth-real { grid-template-columns: 1fr; }
  .myth-real .mr-myth { border-right: none; border-bottom: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .readout { grid-template-columns: 1fr 1fr; }
  .pager { flex-direction: column; }
}

/* riduzione movimento */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}