:root { --paper:#eef1f4; --ink:#1a1e24; --steel:#2c3a4a; --amber:#c47b2b; --line:#d5dde4; }
* { box-sizing:border-box; } html { scroll-behavior:smooth; }
body { margin:0; background:var(--paper); color:var(--ink); font-family:"Hind Madurai",sans-serif; font-size:1.1rem; line-height:1.5; }
img { max-width:100%; display:block; } figure { margin:0; }
p,a,h1,li,figcaption { overflow-wrap:anywhere; } a { color:var(--steel); }
h1,h2,h3 { font-family:Chivo,sans-serif; font-weight:700; line-height:1.05; margin:0 0 .3em; }
header { position:sticky; top:0; z-index:20; display:flex; align-items:center; justify-content:space-between; gap:12px; padding:12px 18px; background:#fff; border-bottom:4px solid var(--steel); }
.logo { color:var(--ink); text-decoration:none; font-family:Chivo,sans-serif; font-weight:700; font-size:1.3rem; }
.nav { display:flex; gap:14px; } .nav a { color:var(--ink); text-decoration:none; }
.nav-toggle { display:none; background:var(--steel); color:#fff; border:0; padding:6px 10px; font:inherit; }
.bk-top { padding:36px 8vw 8px; } .bk-top h1 { font-size:clamp(2.6rem,6vw,4.6rem); max-width:12em; }
.bk-split { display:grid; grid-template-columns:.9fr 1.1fr; align-items:center; }
.bk-split div { padding:20px 8vw; }
.bk-split img { width:100%; height:auto; }
.bk-split figcaption { padding:8px 12px 16px; }
.btn { display:inline-block; margin-top:8px; background:var(--amber); color:#fff; text-decoration:none; padding:10px 16px; }
.bk-mouse { background:#fff; } .bk-mouse img { width:min(720px,100%); margin:0 auto; }
.bk-mouse figcaption { padding:10px 8vw 16px; }
.bk-rail { max-width:760px; margin:0 auto; padding:8px 20px 20px; }
.bk-rail article { display:grid; grid-template-columns:64px 1fr; gap:12px; padding:14px 0; border-top:1px solid var(--line); }
.bk-rail span { font-family:Chivo,sans-serif; font-weight:700; color:var(--amber); font-size:1.4rem; }
.bk-meta { display:flex; gap:24px; flex-wrap:wrap; padding:16px 8vw; background:var(--steel); color:#eef1f4; }
.bk-meta b { display:block; font-family:Chivo,sans-serif; }
.bk-qa { max-width:700px; margin:0 auto; padding:8px 20px; }
.bk-qa div { display:grid; grid-template-columns:160px 1fr; gap:10px; padding:10px 0; border-bottom:1px solid var(--line); }
.bk-quote { padding:32px 12vw; } .bk-quote p { margin:0; font-size:clamp(1.35rem,2.8vw,2rem); }
.bk-form,.bk-end,.bk-lead { max-width:680px; margin:0 auto; padding:18px 20px 64px; }
form { display:flex; flex-direction:column; gap:10px; } label { font-size:.95rem; }
input,textarea { font:inherit; width:100%; padding:10px 12px; border:1px solid #c9d3dc; background:#fff; color:var(--ink); }
button[type="submit"] { font:inherit; background:var(--steel); color:#fff; border:0; padding:12px 16px; width:fit-content; cursor:pointer; }
.bk-cols { display:grid; grid-template-columns:1.4fr .7fr; }
.bk-cols article { padding:24px 8vw; min-width:0; }
.bk-cols article:last-child { background:var(--steel); color:#eef1f4; }
.bk-ol { padding:8px 8vw; }
.bk-band { padding:16px 8vw; background:#e4ebf1; }
.bk-note { margin:8px 8vw; padding-top:10px; border-top:4px solid var(--amber); }
.bk-row { display:flex; justify-content:space-between; gap:12px; padding:16px 8vw; }
.bk-row a { color:inherit; text-decoration:none; }
.bk-giant { padding:16px 6vw 0; } .bk-giant h1 { font-size:clamp(2.2rem,7vw,5rem); }
.bk-addr { padding:6px 6vw; }
.bk-links { display:flex; flex-direction:column; padding:4px 6vw 14px; gap:4px; }
.bk-links a { text-decoration:none; color:var(--ink); font-size:clamp(1rem,2.2vw,1.4rem); }
footer { background:var(--steel); color:#eef1f4; padding:22px 18px 30px; display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; }
footer a { color:#eef1f4; }
.modal[hidden] { display:none; }
.modal { position:fixed; inset:0; background:rgba(26,30,36,.5); display:grid; place-items:center; z-index:40; padding:20px; }
.modal div { background:#fff; padding:24px 20px; max-width:420px; width:100%; }
.modal button { font:inherit; margin-top:12px; background:var(--steel); color:#fff; border:0; padding:8px 14px; }
@media (max-width:800px) {
  .nav-toggle { display:inline-flex; }
  .nav { display:none; position:absolute; top:100%; left:0; right:0; background:#fff; flex-direction:column; padding:12px 18px 16px; border-bottom:4px solid var(--steel); }
  .nav.is-open { display:flex; }
  .bk-split,.bk-cols,.bk-qa div { grid-template-columns:1fr; }
  .bk-row { flex-direction:column; }
  .logo { font-size:1.1rem; }
}