/* =========================
   AGX — Stili principali
   ========================= */

/* ====== Variabili (tema) ====== */
:root{
  --primary:#184e77;
  --primary-600:#14506b;
  --accent:#2a9d8f;

  --ink:#1b1b1b;      /* testo principale */
  --muted:#6b7280;    /* testo secondario */

  --bg:#ffffff;       /* sfondo pagina */

  /* Superfici e bordi */
  --panel:#ffffff;          /* superfici (card, liste, preview) */
  --panel-muted:#f7fafc;    /* bande/sfondi morbidi */
  --border:#e5e7eb;         /* colore bordi */

  /* Raggi/ombre/typo */
  --radius:14px;
  --container:1120px;
  --lh:1.35;
  --lh-title:1.15;
  --shadow-sm:0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 6px 16px rgba(0,0,0,.08);
}

/* Abilita light scheme; il dark è sotto con prefers-color-scheme */
:root { color-scheme: light; }

/* ====== Reset leggero/base ====== */
*{box-sizing:border-box}
html,body{height:100%}
html{ scroll-behavior:smooth; }
:target{ scroll-margin-top: 72px; }

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:16px/var(--lh) system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}

.container{ width:min(96%, var(--container)); margin-inline:auto; }

/* ====== Header / Navbar ====== */
.site-header{
  border-bottom:1px solid var(--border);
  position:sticky; top:0; background:var(--bg); z-index:10;
  backdrop-filter:saturate(140%) blur(6px);
}
.site-header__inner{
  width:min(96%, var(--container));
  margin-inline:auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
}
.logo{
  font-weight:800; letter-spacing:0.4px; text-decoration:none;
  color:var(--primary); font-size:20px;
}
.nav a{
  color:var(--ink); text-decoration:none; margin-left:18px; font-weight:600;
}
.nav a:hover{ color:var(--primary); }

/* ====== Footer ====== */
.site-footer{ border-top:1px solid var(--border); margin-top:48px; background:var(--panel-muted); }
.site-footer__inner{ width:min(96%, var(--container)); margin-inline:auto; padding:16px 0; color:var(--muted); font-size:14px }

/* ====== Badge ====== */
.badge{
  display:inline-block; font-size:12px; font-weight:700; letter-spacing:.3px;
  color:#0f766e; background:#d1fae5; padding:6px 8px; border-radius:999px;
  margin-bottom:10px;
}

/* ====== Hero (variante accent) ====== */
.hero{ padding:32px 0 20px; }
.hero--accent{
  background: linear-gradient(180deg, rgba(24,78,119,0.06), rgba(24,78,119,0));
  position:relative;
}
.hero--accent::before{
  content:""; position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(42,157,143,0.08) 0%, rgba(24,78,119,0.12) 60%, transparent 60%);
  pointer-events:none;
}
.hero__inner{ position:relative; }

.hero h1{
  font-size: clamp(28px, 6vw, 44px);
  margin:0 0 8px 0; line-height:var(--lh-title);
  position:relative; display:inline-block;
}
.hero h1::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:3px;
  background:linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius:3px;
}
.hero p{ max-width:70ch; color:#374151; margin:10px 0 18px 0; font-size: clamp(15px, 2.6vw, 18px); }

.hero__cta{ display:flex; gap:10px; flex-wrap:wrap; }

/* ====== Bottoni & Link-CTA ====== */
.btn{
  display:inline-block; padding:10px 14px; border-radius:10px;
  text-decoration:none; color:#fff; background:var(--primary); font-weight:700;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease;
}
.btn:hover{ background:var(--primary-600); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost{
  background:transparent; color:var(--primary); border:1px solid var(--border);
}
.btn--ghost:hover{ background:#eff6ff; }

.link-cta{
  font-weight:700; text-decoration:none; color:var(--primary);
  border-bottom:2px solid currentColor; padding-bottom:2px;
}
.link-cta:hover{ color:var(--accent); }

.is-hidden{ display:none !important; }

/* ====== Sezioni verticali ====== */
.section{
  padding:34px 0 24px;
  border-top:1px solid var(--border);
}
.section:first-of-type{ border-top:none; }

.section__header{ margin-bottom:14px; }
.section__title{
  margin:0 0 6px 0; font-size: clamp(22px, 4.5vw, 30px); line-height:var(--lh-title);
  position:relative; display:inline-block;
}
.section__title::after{
  content:""; position:absolute; left:0; bottom:-6px; width:70%; height:3px;
  background:linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius:3px;
}
.section__lead{ margin:8px 0 0 0; color:var(--muted); }

.section--band{
  background: linear-gradient(180deg, var(--panel-muted) 0%, transparent 100%);
}

.section__footer{ margin-top:16px; }

/* ====== Cards / griglie riutilizzabili ====== */
.features{ display:grid; gap:16px; grid-template-columns:1fr; margin-top:20px; }
.feature{
  border:1px solid var(--border); border-radius:var(--radius);
  padding:16px; background:var(--panel);
  transition: box-shadow .2s ease, transform .15s ease, border-color .2s ease;
}
.feature:hover{ box-shadow: var(--shadow-md); transform: translateY(-2px); border-color:#d1d5db; }
.feature h3{
  margin:0 0 8px 0; font-size: clamp(18px, 3.5vw, 22px);
  position:relative; display:inline-block;
}
.feature h3::after{
  content:""; position:absolute; left:0; bottom:-6px; width:60%; height:2px;
  background:linear-gradient(90deg, var(--accent), transparent);
  border-radius:2px;
}

.cards{ display:grid; gap:16px; grid-template-columns:1fr; margin-top:10px; }
.card{
  border:1px solid var(--border); border-radius:var(--radius);
  padding:16px; background:var(--panel);
  transition: box-shadow .2s ease, transform .15s ease, border-color .2s ease;
}
.card:hover{ box-shadow: var(--shadow-md); transform: translateY(-2px); border-color:#d1d5db; }
.card--muted{ opacity:.95; }
.card__title{ margin:0 0 8px 0; font-size:18px; }
.card__text{ margin:0 0 12px 0; color:#374151; }
.card__cta{ display:flex; gap:10px; }

/* ====== Pricing ====== */
.pricing{ display:grid; gap:18px; grid-template-columns:1fr; margin-top:16px; }
.pricing-card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  background:var(--panel);
  box-shadow:var(--shadow-sm);
}
.pricing-card__plan{ margin:0; font-size:16px; font-weight:700; color:var(--primary); text-transform:uppercase; letter-spacing:.8px; }
.pricing-card__price{ margin:6px 0 10px; font-size:32px; font-weight:800; line-height:1; }
.pricing-card__price span{ display:inline-block; margin-right:4px; }
.pricing-card__price small{ font-size:16px; font-weight:500; color:var(--muted); }
.pricing-card__desc{ margin:0 0 12px 0; color:var(--ink); }
.pricing-card__features{ margin:0 0 14px 18px; color:var(--ink); }
.pricing-card__features li{ margin-bottom:6px; }
.pricing-card__price--free span{ color:#15803d; }
.pricing-card__price--muted span{ color:var(--muted); font-weight:600; }
.pricing-card--locked{
  background:linear-gradient(135deg, rgba(24,78,119,.06), transparent), var(--panel);
  border-color:#cbd5e1;
}
.pricing-card--locked .pricing-card__plan{ color:var(--primary); }
.pricing-card--locked .pricing-card__price--muted span{ color:var(--primary); font-weight:700; }
.pricing-card--locked .pricing-card__desc,
.pricing-card--locked .pricing-card__features{ color:var(--ink); opacity:.95; }
.pricing-card--locked .btn{ pointer-events:none; opacity:.7; }
.pricing-note{ margin-top:14px; color:#374151; font-size:15px; }

@media (min-width: 768px){
  .pricing{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}

/* ====== Liste generiche ====== */
.list-grid{ display:grid; gap:16px; grid-template-columns:1fr; }
.list-card{
  border:1px solid var(--border); border-radius:var(--radius);
  padding:14px; background:var(--panel);
  transition:box-shadow .2s ease, transform .15s;
}
.list-card:hover{ box-shadow:var(--shadow-md); transform:translateY(-2px); }
.list-card h3{ margin:0 0 6px 0; font-size:18px; }
.list-card__cta{ margin-top:10px; }

/* ====== Tipografia pagine (articoli, docs) ====== */
.content, .blog-post{ width:100%; max-width:72ch; margin:18px 0; }
.content__header{ margin-bottom:14px; }
.content__title, .blog-title{
  margin:0 0 10px 0;
  font-size: clamp(26px, 4.5vw, 36px);
  line-height:var(--lh-title);
  color:var(--primary);
  position:relative;
  display:inline-block;
  padding-bottom:8px;
}
.content__title::after, .blog-title::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius:999px;
}
.content__lead{ margin:14px 0 0 0; color:var(--muted); font-size:17px; }
.blog-meta{ color:var(--muted); margin:0 0 14px 0; font-size:14px; }
.content__body, .blog-content{ color:var(--ink); }
.content__body :where(h2,h3), .blog-content :where(h2,h3){
  line-height:var(--lh-title);
  margin:18px 0 12px 0;
  color:var(--primary);
  position:relative;
  display:inline-block;
  padding-bottom:6px;
}
.content__body h2::after, .content__body h3::after,
.blog-content h2::after, .blog-content h3::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg, var(--accent) 0%, transparent 100%);
  border-radius:999px;
}
.content__body p, .blog-content p{ margin:0 0 12px 0; color:var(--ink); }
.content__body :where(ul,ol){ margin:0 0 12px 18px; color:var(--ink); }
.content__body hr, .blog-content hr{
  border:none;
  height:3px;
  background:linear-gradient(90deg, rgba(24,78,119,.75) 0%, rgba(42,157,143,.75) 100%);
  border-radius:999px;
  margin:22px 0;
}

.blog-list{ display:grid; gap:16px; }
.blog-post-preview{
  border:1px solid var(--border); border-radius:var(--radius);
  padding:14px; background:var(--panel);
}
.blog-post-preview h2, .blog-post-preview h3{ margin:0 0 4px 0; font-size:20px; color:var(--primary); }
.blog-post-preview p{ margin:0; color:#374151; }

/* ====== Tabelle prezzi ====== */
.price-tables{ display:flex; flex-direction:column; gap:18px; margin-top:18px; }
.price-table{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--panel);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.price-table__header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px;
  border-bottom:1px solid var(--border);
  background:var(--panel-muted);
}
.price-table__label{ margin:0; font-size:12px; text-transform:uppercase; letter-spacing:1px; color:var(--muted); }
.price-table__title{ margin:2px 0 0 0; font-size:20px; }
.price-table__meta{ margin:0; color:var(--muted); font-weight:600; }
.price-table__table-wrapper{
  width:100%;
  overflow-x:auto;
}

.data-table{ width:100%; border-collapse:collapse; }
.data-table thead{ background:transparent; }
.data-table th{
  text-align:left;
  padding:12px 16px;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.8px;
  color:var(--muted);
  border-bottom:1px solid var(--border);
}
.data-table__category-row th{
  padding:14px 16px 10px;
  background:var(--panel-muted);
  text-transform:uppercase;
  letter-spacing:.6px;
  font-size:11px;
  color:var(--primary);
  border-top:2px solid var(--border);
  border-bottom:1px solid var(--border);
}
.data-table__category-row:first-child th{
  border-top:none;
}
.data-table td{
  padding:12px 16px;
  border-bottom:1px solid var(--border);
}
.data-table tr:last-child td{ border-bottom:none; }
.data-table__symbol code{
  background:rgba(24,78,119,.08);
  padding:4px 8px;
  border-radius:8px;
  font-weight:700;
  display:inline-block;
}
.data-table__name span{ display:block; font-weight:600; }
.data-table__price{ font-weight:700; font-feature-settings:"tnum" 1; }
.data-table__unit{ color:var(--muted); margin-left:8px; font-weight:600; }
.data-table__change{ font-weight:700; }
.trend{ display:inline-flex; align-items:center; gap:4px; padding:2px 8px; border-radius:999px; background:rgba(107,114,128,.12); }
.trend--up{ color:#15803d; background:rgba(21,128,61,.12); }
.trend--down{ color:#b91c1c; background:rgba(185,28,28,.12); }

.docs-cta{ display:flex; gap:10px; flex-wrap:wrap; }

/* ====== Storico prezzi ====== */
.historical-grid{ display:grid; gap:16px; grid-template-columns:1fr; margin-top:18px; }
.historical-card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  background:var(--panel);
  box-shadow:var(--shadow-sm);
}
.historical-card__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}
.historical-card__label{ margin:0; font-size:12px; letter-spacing:1px; text-transform:uppercase; color:var(--muted); }
.historical-card__title{ margin:4px 0; font-size: clamp(18px, 3.4vw, 22px); }
.historical-card__text{ margin:0 0 10px 0; color:#374151; }
.historical-card__hint{ margin:10px 0 0 0; color:var(--muted); font-weight:600; }
.historical-card__meta{ margin:0; color:var(--muted); font-weight:700; }
.historical-card__footer{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:10px; flex-wrap:wrap; }
.historical-card__stats{ display:flex; flex-direction:column; align-items:flex-end; gap:6px; min-width:200px; }
.historical-identity{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; justify-content:flex-end; }
.historical-identity--inline{ width:100%; justify-content:flex-end; }
.historical-identity__symbol,
.historical-identity__exchange{ padding:4px 8px; border-radius:8px; background:rgba(59,130,246,.12); color:#0f172a; font-weight:700; font-size:13px; border:1px solid rgba(59,130,246,.25); }
.historical-identity__name{ font-weight:700; color:#0f172a; }

.form-grid{ display:grid; gap:12px; grid-template-columns:1fr; margin-top:12px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field__label{ font-weight:700; color:#1f2937; }
.field select{
  padding:10px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  font-weight:600;
  color:#111827;
}
.field select:disabled{ color:#9ca3af; background:#f3f4f6; }

.historical-card--chart{ padding:0; overflow:visible; max-width:1040px; margin:0 auto; }
.historical-card--chart .historical-card__header{ padding:14px 16px; border-bottom:1px solid var(--border); background:var(--panel-muted); }
.historical-card--chart .historical-card__footer{ padding:10px 16px 14px; border-top:1px solid var(--border); background:var(--panel-muted); }

.historical-toolbar{
  display:flex;
  gap:10px;
  padding:12px 16px;
  background:linear-gradient(90deg, rgba(59,130,246,.08), rgba(14,165,233,.08));
  border-bottom:1px solid var(--border);
  flex-wrap:wrap;
  align-items:flex-end;
}
.field--inline{ flex:1 1 220px; gap:4px; }
.field--compact select{ padding:8px 10px; }
.field--inline .field__label{ font-size:13px; color:#4b5563; }

.historical-range{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:10px 16px;
  background:var(--panel);
  border:1px solid var(--border);
  border-inline:0;
}
.historical-range button{
  padding:8px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#f8fafc;
  font-weight:700;
  color:#0f172a;
  cursor:pointer;
  transition:all .16s ease-in-out;
}
.historical-range button:hover,
.historical-range button:focus-visible{
  outline:none;
  background:#e0f2fe;
  border-color:#0ea5e9;
  box-shadow:0 0 0 3px rgba(14,165,233,.15);
}
.historical-range button.is-active{
  background:#0ea5e9;
  color:#f8fafc;
  border-color:#0284c7;
  box-shadow:var(--shadow-sm);
}

.historical-quote{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  color:#f8fafc;
}
.historical-quote--stacked{ flex-direction:column; align-items:flex-end; gap:4px; }
.historical-quote__value{ font-feature-settings:"tnum" 1; }
.historical-quote__change{ padding:4px 8px; border-radius:10px; font-size:13px; }
.historical-quote__change.is-up{ color:#166534; background:rgba(22,101,52,.12); }
.historical-quote__change.is-down{ color:#b91c1c; background:rgba(185,28,28,.12); }
.historical-quote__change.is-flat{ color:#374151; background:rgba(55,65,81,.12); }

.historical-chart{ position:relative; background:var(--bg); height:420px; width:100%; }
.historical-chart__placeholder{
  padding:24px 18px;
  text-align:center;
  color:var(--muted);
  font-weight:600;
}
.historical-chart__placeholder--info{ color:#0f766e; }
.historical-chart__placeholder--error{ color:#b91c1c; }
.historical-chart__plot{ width:100%; max-width:100%; height:100%; margin:0 auto; }

.chart-legend{ display:inline-flex; align-items:center; gap:6px; }
.chart-legend__swatch{ width:14px; height:14px; border-radius:4px; background:#38bdf8; border:1px solid #0ea5e9; box-shadow: var(--shadow-sm); }
.chart-legend__label{ font-weight:700; color:#1f2937; }

.chart-tooltip{
  position:absolute;
  transform:translate(-50%, -100%);
  background:rgba(17,24,39,0.9);
  color:#f8fafc;
  padding:8px 10px;
  border-radius:10px;
  font-size:12px;
  pointer-events:none;
  box-shadow: var(--shadow-md);
  white-space:nowrap;
}

@media (min-width: 960px){
  .historical-card--chart .historical-card__header,
  .historical-card--chart .historical-card__footer{ padding-inline:22px; }
  .historical-toolbar{ padding-inline:22px; }
  .field--inline{ flex:1 1 200px; }
}

/* ====== Responsive ====== */
@media (min-width:720px){
  .features{ grid-template-columns:repeat(3,1fr); }
  .list-grid{ grid-template-columns:repeat(2,1fr); }
  .cards{ grid-template-columns:repeat(3,1fr); }
}

@media (max-width:640px){
  .price-table{ overflow:hidden; }
  .price-table__header{
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
  }
  .data-table th,
  .data-table td{
    padding:10px 12px;
    font-size:13px;
  }
  .data-table__symbol code{ font-size:12px; }
  .data-table__name span{ font-size:14px; }
  .data-table__price,
  .data-table__unit,
  .data-table__change{ font-size:13px; }
  .data-table__category-row th{ font-size:11px; padding:12px; }
}

/* ====== Dark mode (automatico) ======
   Rispetta la preferenza di sistema: mantiene contrasti AA */
@media (prefers-color-scheme: dark){
  :root{
    color-scheme: dark;

    --bg:#0b1220;
    --ink:#e5e7eb;
    --muted:#94a3b8;

    --panel:#0f172a;        /* superfici scure, senza “bianchi” */
    --panel-muted:#0b1220;  /* banda/riempimento morbido */
    --border:#1f2937;
  }

  .site-header, .site-footer{ background:transparent; }
  .logo{ color:#7dd3fc; }
  .nav a{ color:var(--ink); }
  .hero p, .blog-post-preview p, .card__text{ color:#cbd5e1; }
  .btn--ghost:hover{ background:#0b2943; }
}


@media (prefers-color-scheme: dark){
  .pricing-card--locked{
    background:linear-gradient(135deg, rgba(125,211,252,.08), transparent), var(--panel);
    border-color:var(--border);
  }
  .pricing-card--locked .pricing-card__plan,
  .pricing-card--locked .pricing-card__price--muted span{
    color:#7dd3fc;
  }
  .data-table__symbol code{ background:rgba(255,255,255,.08); }
}