/* BIA landing page — same design language as the app:
   petrol accent, navy ink, marker-yellow highlight, hairline surfaces. */
:root{
  --brand:#0B7A75;
  --brand-dark:#086661;
  --brand-soft:color-mix(in srgb,#0B7A75 11%,transparent);
  --marker:#F2C94C;
  --navy:#0E1A2F;
  --navy-2:#172742;
  --ink:#101828;
  --muted:#5E6B7E;
  --line:#DDE2E9;
  --line-soft:#E9EDF2;
  --bg:#EDF0F3;
  --paper:#FFFFFF;
  --ok:#1E7F55;
  --risk:#C8372D;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --text:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--text);font-feature-settings:"tnum" 1;}
img,svg{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
::selection{background:color-mix(in srgb,var(--marker) 45%,transparent)}
h1,h2,h3{font-family:var(--display);letter-spacing:-.025em;line-height:1.08;margin:0;color:var(--ink)}
p{margin:0}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.mark{background:linear-gradient(transparent 60%,var(--marker) 60%,var(--marker) 90%,transparent 90%);padding:0 .06em;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 var(--text);padding:12px 18px;border-radius:10px;border:1.5px solid transparent;transition:background .15s,border-color .15s,color .15s;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-lg{padding:15px 22px;font-size:16px;border-radius:12px}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:#C6CEDA}
.btn-marker{background:var(--marker);color:var(--navy)}
.btn-marker:hover{background:#E8BC33}
.btn-ghost-light{color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost-light:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font:750 17px var(--display);position:relative}
.logo-mark::after{content:"";position:absolute;right:-3px;bottom:-3px;width:10px;height:10px;border-radius:3px;background:var(--marker);border:2px solid var(--bg)}
.logo-name{font:750 21px var(--display);letter-spacing:-.03em}
.nav-links{display:flex;gap:24px;margin-left:12px}
.nav-links a{color:var(--muted);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.nav-cta{margin-left:auto;display:flex;gap:10px}

/* ---------- hero ---------- */
.hero{padding:72px 0 88px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.6rem);font-weight:740;letter-spacing:-.04em;line-height:.98}
.lead{font-size:1.15rem;color:var(--muted);margin-top:24px;max-width:54ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-facts{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px 22px;color:var(--muted);font-size:14.5px}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts li::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--brand)}

/* the dossier: signature element */
.dossier{position:relative;max-width:520px;justify-self:end;width:100%}
.dossier-tab{display:inline-block;background:var(--navy);color:#DDE4EF;font-size:13px;font-weight:600;padding:9px 16px 14px;border-radius:12px 12px 0 0;margin-left:22px;position:relative;top:6px}
.dossier-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 1px 0 var(--line),0 30px 70px -30px rgba(14,26,47,.35);position:relative}
.dossier-card::before{content:"";position:absolute;inset:10px -10px -10px 10px;border-radius:18px;background:#E2E7ED;z-index:-1}
.dossier-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding-bottom:18px;border-bottom:1px solid var(--line-soft)}
.d-name{font:700 1.45rem/1.15 var(--display);letter-spacing:-.025em}
.d-meta{color:var(--muted);font-size:13.5px;margin-top:4px}
.pill{font-size:12px;font-weight:600;padding:4px 9px;border-radius:6px;white-space:nowrap}
.pill-ok{background:#DCF1E7;color:#155C3E}
.d-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}
.d-kpi{border:1px solid var(--line-soft);background:#FAFBFC;border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.d-kpi span{font-size:12px;color:var(--muted)}
.d-kpi strong{font:650 1.15rem var(--display);letter-spacing:-.02em;white-space:nowrap}
.d-kpi em{font-style:normal;font-size:12px;font-weight:600;color:var(--muted)}
.d-kpi em.up{color:var(--ok)}
.d-kpi em.down{color:var(--risk)}
.d-block{padding:14px 0;border-top:1px solid var(--line-soft)}
.d-label,.d-block .d-label{font-size:12.5px;color:var(--muted);font-weight:500;margin-bottom:8px}
.d-row{display:flex;justify-content:space-between;font-size:14px;margin-top:6px}
.d-bar{height:6px;border-radius:3px;background:#EEF1F4;margin-top:6px;overflow:hidden}
.d-bar i{display:block;height:100%;background:var(--brand);border-radius:3px;transform-origin:left;animation:bar-in 1s .3s cubic-bezier(.2,.7,.2,1) both}
.d-checks{display:flex;flex-direction:column;gap:8px;padding-top:14px;border-top:1px solid var(--line-soft)}
.d-check{display:flex;align-items:center;gap:10px;font-size:14px}
.d-check .dot{width:9px;height:9px;border-radius:50%;flex:0 0 9px}
.d-check.ok .dot{background:var(--ok)}
.d-check.warn .dot{background:var(--marker);box-shadow:0 0 0 4px color-mix(in srgb,var(--marker) 30%,transparent)}
/* source note under the example dossier */
.dossier-note{font-size:12.5px;color:var(--muted);margin:22px 0 0 22px}
@keyframes bar-in{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* ---------- sources strip ---------- */
.sources{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#F4F6F8}
.sources-inner{display:flex;align-items:center;gap:28px;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
.sources p{color:var(--muted);font-size:14px}
.sources ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 28px}
.sources li{font:600 15px var(--display);letter-spacing:-.01em;color:#34415A}

/* ---------- sections ---------- */
.section{padding:104px 0}
.section-alt{background:#F4F6F8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2,.credits-grid h2,.cta h2{font-size:clamp(1.9rem,3.4vw,2.8rem);font-weight:700;letter-spacing:-.035em}
.section-head p{color:var(--muted);font-size:1.08rem;margin-top:14px;max-width:60ch}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px}
.feature h3{font-size:1.2rem;font-weight:650;margin-bottom:10px}
.feature p{color:var(--muted);font-size:15px}
.feature-wide{grid-column:span 2;display:grid;grid-template-columns:1fr 240px;gap:32px;align-items:end}
.feature-dark{grid-column:span 2;background:var(--navy);border-color:var(--navy);display:flex;flex-direction:column;gap:20px}
.feature-dark h3{color:#fff}
.feature-dark p{color:#B7C2D3;max-width:70ch}
.mini-chart{display:flex;align-items:flex-end;gap:8px;height:110px}
.mini-chart i{flex:1;background:#CFE6E4;border-radius:5px 5px 2px 2px}
.mini-chart i.hl{background:var(--brand)}
.tags{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tags li{border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:999px;padding:7px 14px;font-size:14px;font-weight:500}
.tags li:first-child{background:var(--marker);border-color:var(--marker);color:var(--navy)}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
.steps li{counter-increment:step;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;position:relative}
.steps li::before{content:counter(step);display:inline-flex;width:38px;height:38px;border-radius:10px;align-items:center;justify-content:center;background:var(--navy);color:var(--marker);font:700 18px var(--display);margin-bottom:18px}
.steps h3{font-size:1.25rem;margin-bottom:8px}
.steps p{color:var(--muted);font-size:15px}

.credits-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.lead-sm{color:var(--muted);font-size:1.05rem;margin:18px 0 28px;max-width:52ch}
.price-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.price-row{display:flex;justify-content:space-between;gap:16px;padding:14px 22px;border-top:1px solid var(--line-soft);font-size:15px}
.price-row span:last-child{font:650 1.05rem var(--display)}
.price-row.head{border-top:0;background:#F7F8FA;color:var(--muted);font-size:13px}
.price-row.head span:last-child{font:500 13px var(--text)}
.price-row .free{color:var(--ok)}

.audiences{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.aud{border-top:3px solid var(--ink);padding-top:18px}
.aud:nth-child(1){border-top-color:var(--brand)}
.aud h3{font-size:1.15rem;margin-bottom:8px}
.aud p{color:var(--muted);font-size:15px}

.cta{background:var(--navy);color:#fff;padding:96px 0;background-image:radial-gradient(circle at 12% 20%,rgba(11,122,117,.45),transparent 42%),radial-gradient(circle at 90% 85%,rgba(242,201,76,.14),transparent 38%)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{color:#fff;max-width:18ch}
.cta .hero-cta{margin-top:0}

/* ---------- footer ---------- */
.footer{background:#0A1424;color:#8E9AAF;padding:40px 0}
.footer-inner{display:grid;grid-template-columns:auto 1fr auto;gap:12px 32px;align-items:center}
.logo-light{color:#fff}
.logo-light .logo-mark::after{border-color:#0A1424}
.footer-note{font-size:14px}
.footer-links{display:flex;gap:22px}
.footer-links a{color:#C5CEDC;font-size:14px}
.copy{grid-column:1/-1;font-size:13px;border-top:1px solid rgba(255,255,255,.07);padding-top:18px;margin-top:8px}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .hero-grid,.credits-grid{grid-template-columns:1fr;gap:48px}
  .dossier{justify-self:start}
  .features{grid-template-columns:1fr 1fr}
  .feature-wide,.feature-dark{grid-column:span 2}
  .audiences{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media (max-width:680px){
  .wrap{padding:0 16px}
  .hero{padding:40px 0 64px}
  .section{padding:72px 0}
  .features,.steps,.audiences{grid-template-columns:1fr}
  .feature-wide,.feature-dark{grid-column:auto;grid-template-columns:1fr}
  .d-kpis{grid-template-columns:1fr 1fr}
  .d-kpis .d-kpi:last-child{grid-column:span 2}
  .nav-cta .btn-ghost{display:none}
  .footer-inner{grid-template-columns:1fr}
  .dossier-card::before{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}