:root {
    --bg:      #0a0d14;
    --bg2:     #0f1320;
    --bg3:     #141826;
    --card:    #161c2e;
    --border:  #1e2640;
    --accent:  #00d4aa;
    --accent2: #4f8ef7;
    --accent3: #f7c948;
    --red:     #f75b5b;
    --green:   #00d4aa;
    --text:    #e8ecf5;
    --muted:   #6b7a9e;
    --muted2:  #3d4a6b;
  }

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

  body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* ─── NAV ─── */
  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 64px;
    height: 72px;
    border-bottom: 1px solid var(--border);
    background: rgba(10,13,20,0.97);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    gap: 20px;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: var(--text);
    flex-shrink: 0;
  }
  .logo img { height: 30px; }
  .logo-fallback {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px;
  }
  .logo span { color: var(--accent); }

  .nav-links {
    display: flex;
    gap: 32px;
    font-size: 14px;
    color: var(--muted);
    list-style: none;
  }
  .nav-links li { cursor: pointer; transition: color .2s; }
  .nav-links li:hover { color: var(--text); }
  .nav-links li.active { color: var(--text); }

  .nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }

  /* Language toggle */
  .lang-toggle { display: flex; gap: 3px; }
  .lang-btn {
    padding: 4px 9px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 5px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: all .2s;
    font-family: inherit;
  }
  .lang-btn.active {
    background: var(--bg3);
    color: var(--text);
    border-color: var(--muted2);
  }

  .btn-ghost {
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    background: transparent;
    transition: all .2s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-ghost:hover { color: var(--text); border-color: var(--muted2); }

  .btn-primary {
    padding: 9px 20px;
    font-size: 13px;
    font-weight: 600;
    color: #000;
    background: var(--accent);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
    text-decoration: none;
    display: inline-block;
  }
  .btn-primary:hover { background: #00ebb8; }

  /* ─── HERO ─── */
  .hero {
    padding: 96px 64px 80px;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    width: 900px; height: 600px;
    background: radial-gradient(ellipse, rgba(0,212,170,0.08) 0%, transparent 70%);
    pointer-events: none;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(0,212,170,0.1);
    border: 1px solid rgba(0,212,170,0.25);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 28px;
  }
  .hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0%,100% { opacity:1; transform:scale(1); }
    50%      { opacity:.5; transform:scale(.8); }
  }

  .hero h1 {
    font-size: 62px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -2px;
    max-width: 780px;
    margin-bottom: 24px;
  }
  .hero h1 .grad {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .hero p {
    font-size: 18px;
    color: var(--muted);
    max-width: 540px;
    margin-bottom: 40px;
    line-height: 1.7;
  }
  .hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 72px;
    flex-wrap: wrap;
  }
  .btn-hero {
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    color: #000;
    background: var(--accent);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
  }
  .btn-hero-outline {
    padding: 13px 32px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
  }

  /* ─── HERO STATS ─── */
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
  }
  .stat-cell {
    background: var(--card);
    padding: 28px 32px;
  }
  .stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
  }
  .stat-value {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -1px;
    font-family: 'JetBrains Mono', monospace;
  }
  .stat-value.green  { color: var(--green); }
  .stat-value.blue   { color: var(--accent2); }
  .stat-value.yellow { color: var(--accent3); }
  .stat-sub {
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
  }

  /* Skeleton */
  .skel {
    display: inline-block;
    background: linear-gradient(90deg, var(--bg3) 25%, var(--border) 50%, var(--bg3) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    vertical-align: middle;
  }
  @keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }

  /* ─── SECTION ─── */
  .section { padding: 80px 64px; }
  .section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 16px;
  }
  .section-tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 8px;
  }
  .section-title {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.8px;
  }

  /* Metric selector */
  .metric-selector { display: flex; align-items: center; gap: 6px; }
  .metric-selector label { font-size: 12px; color: var(--muted); }
  .msort-btn {
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: all .2s;
    font-family: inherit;
  }
  .msort-btn.active {
    background: rgba(0,212,170,0.1);
    border-color: rgba(0,212,170,0.3);
    color: var(--accent);
  }

  /* ─── ALGO CARDS ─── */
  .algo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
  }

  .algo-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: border-color .2s;
  }
  .algo-card:hover { border-color: var(--muted2); }
  .algo-card.featured {
    border-color: rgba(0,212,170,0.35);
    background: linear-gradient(135deg, rgba(0,212,170,0.04), var(--card));
  }
  .algo-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: 14px 14px 0 0;
  }
  .algo-card.green-top::after  { background: linear-gradient(90deg, var(--accent),  transparent); }
  .algo-card.blue-top::after   { background: linear-gradient(90deg, var(--accent2), transparent); }
  .algo-card.gold-top::after   { background: linear-gradient(90deg, var(--accent3), transparent); }
  .algo-card.purple-top::after { background: linear-gradient(90deg, #a855f7,        transparent); }
  .algo-card.red-top::after    { background: linear-gradient(90deg, var(--red),     transparent); }

  .algo-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 4px;
    gap: 8px;
  }
  .algo-name { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
  .algo-badges { display: flex; gap: 5px; align-items: center; flex-wrap: wrap; }
  .algo-badge {
    font-size: 10px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
  }
  .badge-live  { background: rgba(0,212,170,0.15);   color: var(--accent); }
  .badge-long  { background: rgba(0,212,170,0.15);   color: var(--accent); }
  .badge-short { background: rgba(247,91,91,0.15);   color: var(--red); }
  .badge-flat  { background: rgba(107,122,158,0.15); color: var(--muted); }

  .algo-market {
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 20px;
    font-family: 'JetBrains Mono', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
  }
  .metric {
    background: var(--bg2);
    border-radius: 8px;
    padding: 11px 13px;
  }
  .metric-name {
    font-size: 10px;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
  }
  .metric-val {
    font-size: 15px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.5px;
  }
  .metric-val.pos    { color: var(--green); }
  .metric-val.neg    { color: var(--red); }
  .metric-val.neu    { color: var(--text); }
  .metric-val.yellow { color: var(--accent3); }

  .sparkline {
    height: 48px;
    width: 100%;
    margin-bottom: 18px;
    display: block;
  }

  .algo-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
  }
  .algo-stat-small {
    font-size: 12px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 5px;
  }
  .dot-green { width: 6px; height: 6px; background: var(--green); border-radius: 50%; display: inline-block; }

  .btn-details {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    padding: 6px 14px;
    border: 1px solid rgba(0,212,170,0.3);
    border-radius: 6px;
    cursor: pointer;
    background: transparent;
    transition: all .2s;
    font-family: inherit;
  }
  .btn-details:hover { background: rgba(0,212,170,0.1); }

  /* ─── CAROUSEL ─── */
  .carousel-wrap { margin-top: 8px; }
  .carousel-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .carousel-label::after {
    content: '→';
    opacity: .5;
    font-size: 13px;
  }
  .carousel {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--muted2) transparent;
  }
  .carousel::-webkit-scrollbar { height: 4px; }
  .carousel::-webkit-scrollbar-thumb { background: var(--muted2); border-radius: 2px; }
  .carousel .algo-card {
    flex: 0 0 calc(33.333% - 14px);
    scroll-snap-align: start;
  }

  /* ─── TRADES ─── */
  .trades-section { padding: 0 64px 80px; }
  .table-wrapper {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
  }
  .table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 28px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 12px;
  }
  .table-title { font-size: 16px; font-weight: 600; }
  .table-filters { display: flex; gap: 8px; flex-wrap: wrap; }
  .filter-pill {
    font-size: 12px;
    padding: 5px 14px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid var(--border);
    color: var(--muted);
    background: transparent;
    transition: all .15s;
    font-family: inherit;
  }
  .filter-pill.active {
    background: rgba(0,212,170,0.1);
    border-color: rgba(0,212,170,0.3);
    color: var(--accent);
  }
  .filter-pill:hover:not(.active) { color: var(--text); border-color: var(--muted2); }

  table { width: 100%; border-collapse: collapse; font-size: 13px; }
  thead tr { background: var(--bg2); }
  thead th {
    padding: 12px 20px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--muted);
    white-space: nowrap;
  }
  tbody tr {
    border-top: 1px solid var(--border);
    transition: background .15s;
  }
  tbody tr:hover { background: rgba(255,255,255,.02); }
  td {
    padding: 13px 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    white-space: nowrap;
  }
  td.label-cell {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
  }

  .tag-long {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(0,212,170,0.12);
    color: var(--green);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    letter-spacing: .3px;
  }
  .tag-short {
    display: inline-block;
    padding: 2px 10px;
    background: rgba(247,91,91,0.12);
    color: var(--red);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    letter-spacing: .3px;
  }

  .trades-placeholder {
    text-align: center;
    padding: 60px 20px;
    color: var(--muted);
    font-size: 14px;
  }
  .trades-placeholder .icon { font-size: 36px; margin-bottom: 12px; }

  /* ─── HOW IT WORKS ─── */
  .how-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
  }
  .how-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px 28px;
  }
  .how-num {
    font-size: 11px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    margin-bottom: 16px;
    letter-spacing: 1px;
  }
  .how-icon { font-size: 28px; margin-bottom: 16px; }
  .how-title { font-size: 16px; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.3px; }
  .how-desc { font-size: 13px; color: var(--muted); line-height: 1.6; }

  /* ─── FOOTER ─── */
  footer {
    border-top: 1px solid var(--border);
    padding: 40px 64px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background: var(--bg2);
    flex-wrap: wrap;
    gap: 24px;
  }
  .footer-copy { font-size: 13px; color: var(--muted); margin-top: 6px; }
  .footer-links {
    display: flex;
    gap: 28px;
    font-size: 13px;
    color: var(--muted);
    list-style: none;
    flex-wrap: wrap;
  }
  .footer-links a { color: var(--muted); text-decoration: none; }
  .footer-links a:hover { color: var(--text); }

  /* ─── LOGO WORDMARK ─── */
  .logo-wordmark { color: var(--text); }
  .logo-wordmark span { color: var(--accent); }

  /* ─── NAV SORT ─── */
  .nav-sort {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 4px;
    border-right: 1px solid var(--border);
    margin-right: 4px;
  }
  .nav-sort-label {
    font-size: 11px;
    color: var(--muted);
    margin-right: 2px;
    white-space: nowrap;
  }

  /* ─── INVESTMENT APPROACH ─── */
  .ib-section { padding-top: 64px; padding-bottom: 64px; }
  .ib-statement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
  }
  .ib-col-block {
    padding: 36px 40px;
    border-right: 1px solid var(--border);
  }
  .ib-col-block:last-child { border-right: none; }
  .ib-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted);
    margin-bottom: 16px;
    display: block;
  }
  .ib-body {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.8;
  }

  /* ─── DIVIDER ─── */
  .divider { height: 1px; background: var(--border); margin: 0 64px; }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 1100px) {
    nav { padding: 0 32px; }
    .hero { padding: 64px 32px 56px; }
    .hero h1 { font-size: 48px; }
    .section { padding: 60px 32px; }
    .divider { margin: 0 32px; }
    .trades-section { padding: 0 32px 60px; }
    footer { padding: 32px; }
    .algo-grid { grid-template-columns: repeat(2, 1fr); }
    .ib-statement-grid { grid-template-columns: 1fr; }
    .ib-col-block { border-right: none; border-bottom: 1px solid var(--border); }
    .ib-col-block:last-child { border-bottom: none; }
    .nav-sort { display: none; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .carousel .algo-card { flex: 0 0 calc(50% - 10px); }
  }
  @media (max-width: 640px) {
    nav { padding: 0 16px; height: 60px; }
    .nav-links { display: none; }
    .hero { padding: 48px 16px 40px; }
    .hero h1 { font-size: 34px; letter-spacing: -1px; }
    .hero p { font-size: 15px; }
    .section { padding: 48px 16px; }
    .divider { margin: 0 16px; }
    .trades-section { padding: 0 16px 48px; }
    footer { padding: 24px 16px; flex-direction: column; }
    .algo-grid { grid-template-columns: 1fr; }
    .ib-statement-grid { grid-template-columns: 1fr; }
    .ib-col-block { padding: 24px 20px; border-right: none; border-bottom: 1px solid var(--border); }
    .ib-col-block:last-child { border-bottom: none; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .carousel .algo-card { flex: 0 0 calc(88% - 10px); }
    .stat-value { font-size: 28px; }
    .stat-cell { padding: 20px; }
  }

  /* ─── NUOVO: freschezza dati, grafico, accessibilità ─── */
  .fresh {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; color: var(--muted); margin-left: 12px;
    font-family: 'JetBrains Mono', monospace;
  }
  .fresh-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted2); }
  .fresh.ok   .fresh-dot { background: var(--green); }
  .fresh.warn .fresh-dot { background: var(--accent3); }
  .fresh.bad  .fresh-dot { background: var(--red); }
  .hero-top { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
  .hero-top .hero-badge { margin-bottom: 0; }

  .chart-wrap {
    background: var(--card); border: 1px solid var(--border); border-radius: 14px;
    margin-bottom: 20px; overflow: hidden;
  }
  .chart-head {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 16px 24px; border-bottom: 1px solid var(--border); flex-wrap: wrap;
  }
  .chart-title { font-size: 14px; font-weight: 600; }
  .chart-ranges { display: flex; gap: 6px; }
  #priceChart { height: 360px; width: 100%; }
  .chart-empty { padding: 60px 20px; text-align: center; color: var(--muted); font-size: 14px; }
  .pos-line { font-size: 12px; color: var(--muted); font-family: 'JetBrains Mono', monospace; margin-bottom: 14px; min-height: 18px; }
  .pos-line b { color: var(--text); font-weight: 600; }
  button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .table-scroll { overflow-x: auto; }
  @media (max-width: 640px) {
    #priceChart { height: 280px; }
    .fresh { margin-left: 0; }
  }

  /* ─── mobile: niente scroll orizzontale ─── */
  .algo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  @media (max-width: 1100px) {
    .algo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @media (max-width: 640px) {
    html, body { overflow-x: hidden; }
    nav { gap: 8px; }
    .logo-wordmark { display: none; }
    .nav-right { gap: 6px; }
    .nav-right .btn-ghost { display: none; }
    .nav-right .btn-primary { padding: 7px 10px; font-size: 12px; }
    .lang-btn { padding: 4px 6px; }
    .algo-grid { grid-template-columns: minmax(0, 1fr); }
    .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero h1 { word-break: break-word; }
    .stat-cell { padding: 16px; }
    .stat-value { font-size: 24px; }
    .metrics-grid { gap: 6px; }
    .metric { padding: 9px 10px; }
  }