/* Best Trading Alerts - identity stylesheet. Dark teal, Manrope. Built distinct from the rest of the fleet (no shared class names, copy, or comment strings). */
:root{
  --ink:#0a0f0e;
  --panel:#0e1615;
  --panel-2:#101c1a;
  --line:rgba(255,255,255,0.085);
  --line-strong:rgba(255,255,255,0.16);
  --teal:#14b8a6;
  --teal-bright:#2dd4bf;
  --teal-dim:rgba(20,184,166,0.12);
  --txt:#e7ecea;
  --txt-soft:#b6c2be;
  --txt-mute:#8a9b96;
  --pos:#34d399;
  --neg:#fb7185;
  --warn:#f0a832;
  --radius:13px;
  --maxw:1080px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:clip}
body{
  font-family:'Manrope',system-ui,-apple-system,sans-serif;
  background:var(--ink);color:var(--txt);
  line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-wrap:anywhere;
}
a{color:var(--teal-bright);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* nav */
.bta-nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:18px;
  padding:0 22px;height:64px;background:rgba(10,15,14,0.9);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.bta-brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-0.01em;color:var(--txt);font-size:1.02rem}
.bta-brand .spark{width:11px;height:11px;border-radius:3px;background:var(--teal);box-shadow:0 0 12px rgba(20,184,166,0.6);flex:0 0 auto}
.bta-links{display:flex;align-items:center;gap:22px;margin-left:auto;list-style:none}
.bta-links a{color:var(--txt-soft);font-size:.83rem;font-weight:600;letter-spacing:.01em}
.bta-links a:hover{color:var(--txt);text-decoration:none}
.bta-links a.nav-cta{color:var(--teal-bright);border:1px solid var(--line-strong);padding:7px 12px;border-radius:8px}
.bta-links a.nav-cta:hover{border-color:var(--teal)}
.bta-burger{display:none;margin-left:auto;width:44px;height:44px;align-items:center;justify-content:center;
  background:none;border:1px solid var(--line-strong);border-radius:9px;cursor:pointer}
.bta-burger span{display:block;width:18px;height:2px;background:var(--txt);position:relative}
.bta-burger span::before,.bta-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--txt)}
.bta-burger span::before{top:-6px}.bta-burger span::after{top:6px}
.bta-drawer{display:none;flex-direction:column;gap:2px;padding:10px 22px 18px;background:var(--panel);border-bottom:1px solid var(--line)}
.bta-drawer a{padding:12px 8px;color:var(--txt-soft);font-weight:600;border-bottom:1px solid var(--line)}
.bta-drawer.open{display:flex}

/* hero */
.bta-hero{padding:64px 0 42px;border-bottom:1px solid var(--line)}
.bta-eyebrow{font-size:.74rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--teal-bright);margin-bottom:14px}
.bta-hero h1{font-size:clamp(2rem,4.6vw,3.2rem);line-height:1.08;font-weight:800;letter-spacing:-0.02em;margin-bottom:18px}
.bta-hero .verdict{font-size:1.12rem;color:var(--txt-soft);max-width:64ch}
.bta-hero .verdict b{color:var(--txt);font-weight:700}
.bta-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:9px;min-height:46px;padding:0 20px;border-radius:10px;
  font-weight:700;font-size:.92rem;letter-spacing:.01em;cursor:pointer;border:1px solid transparent;transition:transform .12s,background .15s,border-color .15s}
.btn-primary{background:var(--teal);color:#03110f}
.btn-primary:hover{background:var(--teal-bright);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--txt)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-bright);text-decoration:none}

/* sections */
section{padding:46px 0}
.sec-label{font-size:.72rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--txt-mute);margin-bottom:10px}
h2{font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;letter-spacing:-0.015em;line-height:1.15;margin-bottom:14px}
h3{font-size:1.16rem;font-weight:700;margin-bottom:7px;letter-spacing:-0.01em;margin-top:1.4em}
p{color:var(--txt-soft);margin-bottom:14px}
.lead-chunk{max-width:70ch;font-size:1.05rem}

/* model grid (homepage) */
.model-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:8px}
.model-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.model-card .mc-name{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:4px}
.model-card .mc-name h3{margin:0}
.model-card .mc-horizon{font-size:.8rem;color:var(--txt-mute);margin-bottom:14px}
.mc-stats{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:13px}
.mc-stat .v{font-family:ui-monospace,'SF Mono',Menlo,monospace;font-weight:700;font-size:1.18rem;color:var(--txt);line-height:1}
.mc-stat .v.pos{color:var(--pos)}
.mc-stat .k{font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--txt-mute);margin-top:5px}

/* grade chips */
.grades{display:flex;flex-wrap:wrap;gap:7px;margin:6px 0 18px}
.grade{font-family:ui-monospace,monospace;font-weight:700;font-size:.8rem;padding:5px 11px;border-radius:7px;border:1px solid var(--line-strong);color:var(--txt-soft)}
.grade.a{border-color:rgba(20,184,166,0.55);color:var(--teal-bright);background:var(--teal-dim)}

/* verify box */
.verify{background:linear-gradient(160deg,var(--panel-2),var(--panel));border:1px solid var(--line-strong);border-radius:var(--radius);padding:26px}
.verify .mono{font-family:ui-monospace,monospace;font-size:.82rem;color:var(--teal-bright);background:rgba(0,0,0,0.3);border:1px solid var(--line);border-radius:8px;padding:11px 13px;margin-top:12px;overflow-x:auto;white-space:nowrap}

/* comparison table */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin-top:8px}
.table-scroll th:first-child,.table-scroll td:first-child{min-width:82px;width:82px;white-space:nowrap}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.92rem}
th,td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--line)}
thead th{background:var(--panel-2);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-mute);font-weight:800}
tbody tr:last-child td{border-bottom:none}
td.yes{color:var(--pos);font-weight:700}
td.no{color:var(--txt-mute)}
tr.pick{background:var(--teal-dim)}
tr.pick td:first-child{font-weight:800;color:var(--txt)}

/* lists */
.checklist{list-style:none;display:grid;gap:10px;margin-top:8px;max-width:72ch}
.checklist li{padding-left:28px;position:relative;color:var(--txt-soft)}
.checklist li::before{content:"\2192";position:absolute;left:0;color:var(--teal-bright);font-weight:800}

/* key facts aside */
.keyfacts{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:0 var(--radius) var(--radius) 0;padding:20px 22px;margin-top:8px}
.keyfacts h3{color:var(--txt);margin-top:0}
.keyfacts ul{list-style:none;display:grid;gap:8px;font-size:.92rem}
.keyfacts li{color:var(--txt-soft)}
.keyfacts b{color:var(--txt)}

/* footer */
.bta-foot{border-top:1px solid var(--line);padding:34px 0;color:var(--txt-mute);font-size:.84rem}
.bta-foot .cols{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
.bta-foot a{color:var(--txt-soft)}
.bta-foot .disc{margin-top:22px;font-size:.76rem;line-height:1.6;color:var(--txt-mute);max-width:90ch}
.muted{color:var(--txt-mute)}

/* ============ inner-page layer (factory pages) ============ */
/* breadcrumb */
.bta-crumb{font-size:.78rem;color:var(--txt-mute);padding:16px 0 0}
.bta-crumb a{color:var(--txt-mute)}
.bta-crumb a:hover{color:var(--txt-soft)}
.bta-crumb .sep{opacity:.45;margin:0 5px}
.bta-crumb span[aria-current]{color:var(--txt-soft)}
/* long-form prose block */
.bta-prose{max-width:74ch}
.bta-prose h2{margin-top:1.1em}
.bta-prose h3{color:var(--teal-bright)}
.bta-prose p{margin-bottom:15px}
.bta-prose code{font-family:ui-monospace,monospace;font-size:.85em;background:rgba(0,0,0,0.32);
  border:1px solid var(--line);border-radius:5px;padding:1px 6px;color:var(--teal-bright);word-break:break-word}
/* framed panel + note */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin:16px 0}
.note{font-size:.92rem;color:var(--txt-soft);border-left:2px solid var(--teal);background:var(--panel);
  padding:11px 16px;border-radius:0 8px 8px 0;margin:18px 0}
/* arrow-bullet flag list */
ul.flags{list-style:none;padding:0;margin:14px 0;max-width:74ch}
ul.flags li{padding:10px 0 10px 26px;position:relative;border-bottom:1px solid var(--line);color:var(--txt-soft)}
ul.flags li:last-child{border-bottom:none}
ul.flags li:before{content:"\25B8";position:absolute;left:4px;color:var(--teal);font-size:.8em;top:13px}
ul.flags li b{color:var(--txt)}
.gradebar{font-family:ui-monospace,monospace;color:var(--teal-bright);font-weight:700}
/* card grid (hub pages) */
.card-grid{display:grid;gap:14px;margin-top:8px}
@media(min-width:680px){.card-grid{grid-template-columns:repeat(3,1fr)}}
a.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;color:var(--txt)}
a.card:hover{border-color:var(--line-strong);text-decoration:none;transform:translateY(-1px);transition:transform .12s,border-color .15s}
a.card .card-t{font-weight:800;font-size:1.04rem;color:var(--teal-bright);margin-bottom:6px;letter-spacing:-0.01em}
a.card .card-d{font-size:.9rem;color:var(--txt-soft)}
/* on-brand inline diagram frame */
figure.diagram{margin:24px 0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 18px 12px}
figure.diagram svg{display:block;width:100%;height:auto;max-width:760px;margin:0 auto}
figure.diagram figcaption{font-size:.82rem;color:var(--txt-mute);text-align:center;margin-top:10px;max-width:64ch;margin-left:auto;margin-right:auto}
.diagram .d-box{fill:#101c1a;stroke:rgba(20,184,166,0.4);stroke-width:1.2}
.diagram .d-edge{stroke:var(--teal);stroke-width:1.6;fill:none}
.diagram .d-h{font-family:'Manrope',sans-serif;font-size:12px;fill:#fff;font-weight:700}
.diagram .d-t{font-family:'Manrope',sans-serif;font-size:9.5px;fill:#b6c2be}
.diagram .d-ax{font-family:ui-monospace,monospace;font-size:10px;fill:#8a9b96}
.diagram .d-pass{fill:#34d399;font-family:ui-monospace,monospace;font-size:13px;font-weight:700}
.diagram .d-fail{fill:#fb7185;font-family:ui-monospace,monospace;font-size:13px;font-weight:700}
/* worked-example block (monospace step list) */
.worked{background:var(--panel-2);border:1px solid var(--line-strong);border-left:3px solid var(--teal-bright);
  border-radius:0 var(--radius) var(--radius) 0;padding:18px 22px;margin:20px 0}
.worked .wtag{font-size:.7rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-bright);margin-bottom:10px}
.worked ol{margin:0;padding-left:20px}
.worked ol li{padding:6px 0;color:var(--txt-soft)}
.worked ol li b{color:var(--txt)}
.worked code{font-family:ui-monospace,monospace;font-size:.84em;background:rgba(0,0,0,0.34);
  border:1px solid var(--line);border-radius:5px;padding:1px 6px;color:var(--teal-bright)}
/* Related block at foot of a page */
.related{margin:30px 0 0;border-top:1px solid var(--line);padding-top:22px}
.related .rhd{font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
.related .rgrid{display:grid;gap:10px}
@media(min-width:640px){.related .rgrid{grid-template-columns:1fr 1fr}}
a.rcard{display:block;border:1px solid var(--line);border-radius:10px;padding:13px 15px;background:var(--panel);color:var(--txt)}
a.rcard:hover{border-color:var(--line-strong);text-decoration:none}
a.rcard b{display:block;color:var(--teal-bright);font-size:.94rem;margin-bottom:2px}
a.rcard span{color:var(--txt-mute);font-size:.84rem}

@media (max-width:860px){
  .bta-links{display:none}
  .bta-burger{display:flex}
  .bta-hero{padding:44px 0 32px}
  .mc-stats{gap:14px}
}

/* a11y + responsive polish */
:focus-visible{outline:2px solid currentColor;outline-offset:3px;border-radius:3px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms !important;transition-duration:.01ms !important}}
@media(max-width:719px){table{min-width:0}th,td{padding:8px 10px}}
/* <=768px: stack each multi-column table into labelled cards so narrow phones
   neither crush columns nor force a sideways scroll. CSS-only; the cell text and
   the order are unchanged, the data-label on each cell supplies the column name. */
@media(max-width:768px){
  .table-scroll{overflow-x:visible;border:none;border-radius:0}
  .table-scroll table{min-width:0;border:0;font-size:.9rem}
  .table-scroll thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .table-scroll tbody tr{display:block;background:var(--panel);border:1px solid var(--line);
    border-radius:var(--radius);padding:6px 14px;margin-bottom:12px}
  .table-scroll tbody tr.pick{border-color:rgba(20,184,166,0.55);background:var(--teal-dim)}
  .table-scroll tbody tr:last-child{margin-bottom:0}
  .table-scroll tbody td{display:flex;justify-content:space-between;align-items:baseline;gap:16px;
    padding:8px 0;border-bottom:1px solid var(--line);text-align:right}
  .table-scroll tbody tr td:last-child{border-bottom:none}
  .table-scroll tbody td::before{content:attr(data-label);text-align:left;flex:0 0 auto;
    font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--txt-mute)}
  .table-scroll tbody td:empty{display:none}
}