:root{
  --ink:#101a23; --ice:#2f7ea8; --ice-2:#1f5c7d; --sand:#eef3f5; --paper:#fff;
  --gold:#e0a72c; --gold-d:#c58e1c; --line:#d7e1e6; --muted:#5a6b74; --ok:#1f7a4d;
  --shadow:0 1px 2px rgba(16,26,35,.06),0 8px 24px rgba(16,26,35,.08);
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter",system-ui,-apple-system,sans-serif;color:var(--ink);
  background:var(--sand);line-height:1.62;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Outfit",system-ui,sans-serif;font-weight:700;line-height:1.16;
  letter-spacing:.005em;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.1rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.15rem);margin-top:0}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
a{color:var(--ice-2);text-decoration-thickness:1px;text-underline-offset:2px}
strong{font-weight:700}
img{max-width:100%;height:auto}
.bci-wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.bci-sec .bci-wrap > img{display:block;width:100%;max-width:640px;height:auto;margin:24px 0;
  border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:16/10;object-fit:cover}
@media(max-width:600px){.bci-sec .bci-wrap > img{max-width:100%;aspect-ratio:auto;height:210px}}

/* nav */
.bci-nav{background:rgba(238,243,245,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:30}
.bci-nav__in{display:flex;align-items:center;justify-content:space-between;height:62px;gap:18px}
.bci-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-width:0}
.bci-brand__mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--ice);color:#fff;flex:0 0 auto}
.bci-brand__name{display:flex;flex-direction:column;font-family:"Outfit",sans-serif;
  font-weight:600;font-size:1.02rem;line-height:1.05}
.bci-brand__name small{font-family:"Inter",sans-serif;font-weight:500;font-size:.68rem;
  color:var(--muted);letter-spacing:.02em;text-transform:uppercase}
.bci-nav__links{display:flex;align-items:center;gap:22px}
.bci-nav__links a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.92rem}
.bci-nav__links a:hover{color:var(--ice)}

/* buttons */
.bci-btn{display:inline-flex;align-items:center;gap:8px;background:var(--ice);color:#fff;
  text-decoration:none;font-weight:700;padding:11px 20px;border-radius:12px;border:0;cursor:pointer;
  white-space:nowrap;transition:transform .12s,box-shadow .12s}
.bci-btn:hover{transform:translateY(-1px)}
.bci-cta{background:var(--gold);color:#fff;box-shadow:0 6px 18px rgba(224,167,44,.32)}
.bci-cta:hover{background:var(--gold-d)}
.bci-cta--lg{font-size:1.12rem;padding:16px 30px;border-radius:14px}

/* hero */
.bci-hero{padding:56px 0 40px}
.bci-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.bci-eyebrow{display:inline-block;font-weight:700;font-size:.76rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--ice-2);background:#dbeaf1;padding:6px 12px;border-radius:999px;
  margin-bottom:16px}
.bci-hero__lead{font-size:1.14rem;color:#233743;max-width:40ch}
.bci-hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px}
.bci-hero__note{font-size:.85rem;color:var(--muted)}
.bci-hero__media{position:relative}
.bci-hero__media img{width:100%;height:100%;object-fit:cover;border-radius:20px;box-shadow:var(--shadow);
  aspect-ratio:4/3}
.bci-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.bci-chip{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:7px 14px;
  font-size:.85rem;font-weight:600;color:var(--ink)}

/* sections */
.bci-sec{padding:46px 0;border-top:1px solid var(--line)}
.bci-sec__lead{color:var(--muted);font-size:1.1rem;margin-bottom:26px}
.bci-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bci-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow)}
.bci-card h3{margin-top:6px}

/* ranked list */
.bci-rank{display:flex;flex-direction:column;gap:16px}
.bci-rank__item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);display:grid;
  grid-template-columns:56px 1fr;grid-template-areas:"num body" "media media" "cta cta";gap:18px;
  align-items:start}
.bci-rank__num{grid-area:num}
.bci-rank__body{grid-area:body}
.bci-rank__media{grid-area:media}
.bci-rank__media img{width:100%;height:180px;object-fit:cover;border-radius:12px;box-shadow:var(--shadow)}
.bci-rank__item .bci-rank__cta{grid-area:cta;margin-top:0}
.bci-rank__item .bci-rank__cta .bci-btn{width:100%;justify-content:center;text-align:center;white-space:normal}
@media(min-width:760px){
  .bci-rank__item{grid-template-columns:56px 1fr 220px;grid-template-areas:"num body media" ". cta cta"}
  .bci-rank__media img{height:100%;aspect-ratio:4/3}
  .bci-rank__item .bci-rank__cta .bci-btn{width:auto;white-space:nowrap}
}
.bci-rank__item--top{border:2px solid var(--gold);background:#fffaf0}
.bci-rank__num{display:grid;place-items:center;width:56px;height:56px;border-radius:14px;
  background:var(--ice);color:#fff;font-family:"Outfit",sans-serif;font-weight:700;font-size:1.5rem}
.bci-rank__item--top .bci-rank__num{background:var(--gold)}
.bci-rank__body h3{margin:0 0 4px;font-size:1.25rem}
.bci-rank__tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.04em;color:var(--ice-2);background:#dbeaf1;border-radius:999px;padding:3px 10px;
  margin-bottom:8px}
.bci-rank__item--top .bci-rank__tag{color:var(--gold-d);background:#fbe8c2}
.bci-rank__body p{margin:0 0 10px;color:#233743}
.bci-rank__cta{margin-top:4px}

/* table */
.bci-tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper)}
table.bci-tbl{width:100%;border-collapse:collapse;min-width:460px}
.bci-tbl th,.bci-tbl td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-size:.95rem}
.bci-tbl th{background:#e3eef2;font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
.bci-tbl td:last-child{font-weight:700;color:var(--ice-2);white-space:nowrap}
.bci-tbl tr:last-child td{border-bottom:0}

/* inline article figure */
.bci-figure{margin:26px 0 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.bci-figure img{display:block;width:100%;height:auto;aspect-ratio:16/7;object-fit:cover}
.bci-figure figcaption{background:var(--paper);border:1px solid var(--line);border-top:0;
  padding:11px 18px;font-size:.85rem;color:var(--muted)}
.bci-split{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;margin-top:26px}
.bci-split img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3}
.bci-split--31{grid-template-columns:3fr 1fr}
@media(max-width:860px){.bci-split,.bci-split--31{grid-template-columns:1fr}}

/* callout */
.bci-note{background:#dbeaf1;border:1px solid #b9d6e2;border-left:4px solid var(--ice);
  border-radius:12px;padding:18px 20px;margin:22px 0}
.bci-note strong{color:var(--ice-2)}

/* faq */
.bci-faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:2px 20px;
  margin-bottom:12px}
.bci-faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;position:relative;
  padding-right:28px}
.bci-faq summary::-webkit-details-marker{display:none}
.bci-faq summary::after{content:"+";position:absolute;right:2px;top:14px;font-size:1.4rem;color:var(--ice);
  font-weight:400}
.bci-faq details[open] summary::after{content:"–"}
.bci-faq details[open] summary{border-bottom:1px solid var(--line)}
.bci-faq details p{padding:14px 0 6px;margin:0;color:#233743}

/* footer */
.bci-foot{background:var(--ink);color:#c3d3da;padding:44px 0 28px;margin-top:10px}
.bci-foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.bci-foot h4{font-family:"Outfit",sans-serif;color:#fff;font-size:1.05rem;margin:0 0 12px}
.bci-foot a{color:#c3d3da;text-decoration:none}
.bci-foot a:hover{color:#fff;text-decoration:underline}
.bci-foot__legal{font-size:.82rem;color:#8ba1ab;line-height:1.7}
.bci-foot__bottom{border-top:1px solid #2a3c46;margin-top:28px;padding-top:18px;font-size:.82rem;
  color:#8ba1ab;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

@media(max-width:860px){
  .bci-hero__grid{grid-template-columns:1fr;gap:28px}
  .bci-hero__media{order:-1}
  .bci-grid{grid-template-columns:1fr}
  .bci-foot__grid{grid-template-columns:1fr}
  .bci-nav__in{gap:10px}
  .bci-nav__links a:not(.bci-cta){display:none}
  .bci-brand__name{font-size:.92rem}
  .bci-brand__name small{display:none}
  .bci-nav__links .bci-cta{padding:9px 14px;font-size:.85rem}
  .bci-rank__item{grid-template-columns:44px 1fr;padding:18px}
  .bci-rank__num{width:44px;height:44px;font-size:1.15rem;border-radius:10px}
}
@media(max-width:600px){
  .bci-hero__cta{flex-direction:column;align-items:stretch}
  .bci-hero__cta .bci-btn,.bci-rank__cta .bci-btn{width:100%;justify-content:center;text-align:center;white-space:normal}
  .bci-hero__media img,.bci-split img,.bci-figure img{height:210px;aspect-ratio:auto;object-fit:cover}
}
@media(max-width:420px){
  .bci-brand__mark{width:30px;height:30px}
  .bci-brand__name{font-size:.84rem}
  .bci-nav__links .bci-cta{padding:8px 12px;font-size:.8rem}
  .bci-hero{padding:34px 0 26px}
}

/* padding safety under every content block */
.bci-tablewrap,.bci-grid,.bci-figure,.bci-note,.bci-split,.bci-faq,.bci-rank{margin-bottom:36px}
.bci-tablewrap+p,.bci-grid+p,.bci-figure+p,.bci-note+p,.bci-split+p,.bci-faq+p,.bci-rank+p,
.bci-tablewrap+div,.bci-grid+div,.bci-figure+div,.bci-faq+div{margin-top:8px}