/* Tax Advisers' Network Bangladesh — the register */

:root{
  --paper:#F5F7FB;   /* navy palette, locked 14 Sept 2026 */
  --panel:#FFFFFF;
  --ink:#13294B;
  --ink-2:#3B5075;
  --ink-3:#5F6E8A;   /* 4.8:1 on paper — captions, hints, serials */
  --rule:#CBD3E1;
  --seal:#E8432E;    /* verification only: the entry square, the covenant rule, focus ring */
  --seal-text:#C8321C; /* seal red where it is text or a button ground (5:1 on paper) */
  --on-ink:#A9B8D6;  /* secondary text on ink */
  --on-ink-2:#8FA0C4;
  --on-ink-rule:#2A3F66;
  --serif:"Tiro Bangla",Georgia,serif;
  --sans:"Inter",-apple-system,Segoe UI,sans-serif;
  --bn:"Noto Sans Bengali",sans-serif;
  --wrap:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *{animation:none!important;transition:none!important}}

body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16.5px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* ---- bilingual ---- */
html[data-lang="en"] .bn{display:none}
html[data-lang="bn"] .en{display:none}
html[data-lang="bn"] body{font-family:var(--bn)}
html[data-lang="bn"] h1,html[data-lang="bn"] h2,html[data-lang="bn"] h3{font-family:var(--serif)}
html[data-lang="bn"] .brand .country,html[data-lang="bn"] .register-head{letter-spacing:0}

/* ---- accessibility helpers ---- */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:3px;text-decoration:none}
.skip:focus{left:16px}

/* ---- type ---- */
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.08}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.18}
h3{font-size:1.18rem;line-height:1.3}
p{margin:0 0 1em;max-width:68ch}
a{color:var(--ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:focus-visible,button:focus-visible{outline:2.5px solid var(--seal);outline-offset:3px}
.lede{font-size:1.16rem;color:var(--ink-2);max-width:62ch}
.small{font-size:.86rem;color:var(--ink-3)}

/* ---- masthead ---- */
.masthead{border-bottom:1.5px solid var(--ink);background:var(--paper);position:sticky;top:0;z-index:30}
.masthead .wrap{display:flex;align-items:center;gap:14px;height:78px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:0 1 auto;min-width:0}
.brand svg{width:38px;height:38px;flex:none}
.brand b{font-family:var(--serif);font-weight:400;font-size:1.2rem;display:block;line-height:1.1;white-space:nowrap}
.brand .country{display:block;font-size:.64rem;letter-spacing:.18em;color:var(--ink-2)}
nav{order:2;margin-left:auto;display:flex;align-items:center;gap:22px}
nav a{font-size:.93rem;text-decoration:none;color:var(--ink-2);padding:6px 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--ink)}
.langtoggle{order:3;border:1.5px solid var(--rule);background:none;font:inherit;font-size:.82rem;padding:5px 11px;border-radius:3px;cursor:pointer;color:var(--ink-2)}
.langtoggle:hover{border-color:var(--ink);color:var(--ink)}
.navbtn{background:var(--ink);color:var(--paper)!important;padding:9px 17px!important;border-radius:3px;border:none!important;font-size:.9rem}
.navbtn:hover{background:var(--seal-text)}
.menubtn{order:4;display:none;border:1.5px solid var(--rule);background:none;border-radius:3px;padding:7px 9px 5px;cursor:pointer;color:var(--ink-2)}
.menubtn:hover{border-color:var(--ink);color:var(--ink)}

/* ---- hero: the register ---- */
.hero{padding:76px 0 8px}
.hero h1{max-width:19ch}
.hero .lede{margin-top:22px}
.herobar{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;align-items:center}

.register{margin:52px 0 0;border-top:1.5px solid var(--ink)}
.register-head{display:grid;grid-template-columns:68px 1fr 190px 160px 96px;gap:18px;padding:11px 0;
  font-size:.74rem;letter-spacing:.12em;color:var(--ink-3);border-bottom:1px solid var(--rule)}
.entry{display:grid;grid-template-columns:68px 1fr 190px 160px 96px;gap:18px;padding:17px 0;
  border-bottom:1px solid var(--rule);align-items:baseline;text-decoration:none}
.entry:hover{background:var(--panel)}
.entry .serial{font-size:.86rem;color:var(--ink-3)}
.entry .who{font-family:var(--serif);font-size:1.16rem}
.entry .who em{display:block;font-family:var(--sans);font-style:normal;font-size:.84rem;color:var(--ink-3);margin-top:3px}
html[data-lang="bn"] .entry .who em{font-family:var(--bn)}
.entry .col{font-size:.9rem;color:var(--ink-2)}
.seal{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;color:var(--seal-text);white-space:nowrap}
.seal::before{content:"";width:8px;height:8px;background:var(--seal);flex:none}

/* ---- buttons ---- */
.btn{display:inline-block;font:inherit;font-size:.96rem;background:var(--ink);color:var(--paper);text-decoration:none;
  padding:13px 26px;border-radius:3px;border:1.5px solid var(--ink);cursor:pointer}
.btn:hover{background:var(--seal-text);border-color:var(--seal-text)}
.btn.ghost{background:none;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}

/* ---- sections ---- */
section{padding:74px 0}
section.tight{padding:48px 0}
.band{background:var(--ink);color:var(--paper)}
.band h2,.band h3{color:var(--paper)}
.band p{color:#BAC6E0}
.band a{color:var(--paper)}
.rulehead{border-top:1.5px solid var(--ink);padding-top:16px;margin-bottom:34px}
.band .rulehead{border-color:var(--ink-2)}

.cols{display:grid;gap:44px}
.cols.c2{grid-template-columns:repeat(2,1fr)}
.cols.c3{grid-template-columns:repeat(3,1fr)}
.cols.c4{grid-template-columns:repeat(4,1fr)}
.cols h3{margin-bottom:9px}
.cols p{font-size:.95rem;color:var(--ink-2);margin:0}
.band .cols p{color:var(--on-ink)}

/* ---- tier table ---- */
.tiers{width:100%;border-collapse:collapse;font-size:.92rem;position:relative}
.tiers th,.tiers td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--rule);vertical-align:top}
.tiers thead th{border-bottom:1.5px solid var(--ink);vertical-align:bottom}
.tiers thead th .tier{display:block;font-family:var(--serif);font-size:1.3rem;font-weight:400;margin-bottom:5px}
.tiers tbody th{font-weight:400;color:var(--ink-2);width:30%}
.tiers td{text-align:center;width:17.5%}
.tiers .yes{color:var(--ink)}
.tiers .no{color:#C4CCDB}
.tiers tr.fee td,.tiers tr.fee th{border-bottom:1.5px solid var(--ink);font-size:1.05rem;padding-top:18px;padding-bottom:18px}
.tiers tr.fee td b{font-family:var(--serif);font-size:1.4rem;font-weight:400;display:block}
.tiers tr.group th{font-family:var(--serif);font-size:1.02rem;color:var(--ink);padding-top:30px}

/* ---- standing ---- */
.standing{border-top:1.5px solid var(--ink)}
.standing div{display:grid;grid-template-columns:170px 1fr;gap:26px;padding:20px 0;border-bottom:1px solid var(--rule)}
.standing dt{font-family:var(--serif);font-size:1.15rem}
.standing dd{margin:0;color:var(--ink-2);font-size:.95rem}

/* ---- CPD calendar ---- */
.cal{border-top:1.5px solid var(--ink)}
.cal-row{display:grid;grid-template-columns:150px 1fr;gap:26px;padding:24px 0;border-bottom:1px solid var(--rule)}
.cal-month b{display:block;font-family:var(--serif);font-weight:400;font-size:1.3rem;line-height:1.15}
.cal-month span{display:block;font-size:.8rem;letter-spacing:.1em;color:var(--ink-3);margin-top:3px}
.cal-body{display:grid;grid-template-columns:1fr 210px;gap:26px;align-items:start}
.cal-date{display:block;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--seal-text);margin-bottom:6px}
html[data-lang="bn"] .cal-date{letter-spacing:0;text-transform:none}
.cal-session h3{font-size:1.16rem;margin-bottom:6px}
.cal-session p{font-size:.93rem;color:var(--ink-2);margin:0;max-width:60ch}
.cal-clinic{font-size:.88rem;color:var(--ink-2);padding:10px 12px;background:var(--panel);border-left:3px solid var(--ink)}


/* ---- register search, verify box, member pages ---- */
.grid3{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px;max-width:900px}
.entry[hidden]{display:none}
.seal.off{color:var(--ink-3)}
.seal.off::before{background:var(--ink-3)}
.verify-out{margin-top:14px;padding:14px 16px;border-left:3px solid var(--on-ink-2);background:rgba(255,255,255,.06);color:var(--paper);max-width:420px;line-height:1.5}
.verify-out.yes{border-left-color:var(--seal)}
.verify-out.no{border-left-color:var(--on-ink-2)}
.verify-out a{color:var(--paper)}
.band .field input{background:var(--paper);color:var(--ink)}
.facts{display:grid;grid-template-columns:auto 1fr;column-gap:16px;row-gap:6px;font-size:.93rem}
.facts dt{color:var(--ink-3)}
.facts dd{margin:0;color:var(--ink)}
ul.plain{list-style:none;padding:0;margin:0}
ul.plain li{margin:0 0 4px}

/* ---- pledge / covenant callout ---- */
.covenant{background:var(--panel);border-left:4px solid var(--seal);padding:30px 34px;margin:34px 0}
.covenant h3{margin-bottom:10px}
.covenant p{margin-bottom:0;color:var(--ink-2)}

/* ---- form ---- */
form.apply{background:var(--panel);padding:36px;border-top:1.5px solid var(--ink);max-width:720px}
.field{margin-bottom:22px}
.field label{display:block;font-size:.88rem;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:.96rem;padding:11px 13px;
  border:1.5px solid var(--rule);border-radius:3px;background:var(--paper);color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);outline:none}
.field .hint{font-size:.8rem;color:var(--ink-3);margin-top:5px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ---- footer ---- */
footer{background:var(--ink);color:var(--on-ink);padding:60px 0 34px;font-size:.9rem}
footer svg{width:100%;height:auto}
footer a{color:#D3DCEC}
footer h4{font-family:var(--serif);font-weight:400;color:var(--paper);font-size:1rem;margin:0 0 12px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:8px}
.footgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--on-ink-rule)}
.footnote{padding-top:22px;font-size:.82rem;color:var(--on-ink-2);max-width:80ch}

@media (max-width:900px){
  .cols.c3,.cols.c4{grid-template-columns:repeat(2,1fr)}
  .footgrid{grid-template-columns:1fr 1fr}
  .register-head{display:none}
  .entry{grid-template-columns:1fr auto;gap:5px 14px;padding:19px 0}
  .entry .serial{grid-column:1;font-size:.76rem;letter-spacing:.06em}
  .entry .seal{grid-column:2;grid-row:1;justify-self:end}
  .entry .who{grid-column:1/-1}
  .entry .col{grid-column:1/-1;font-size:.86rem}
  .entry .col+.col{color:var(--ink-3)}
  .tiers{font-size:.84rem}
  .tiers th,.tiers td{padding:10px 7px}
  .cal-body{grid-template-columns:1fr}
}
@media (max-width:980px){
  nav{position:fixed;inset:78px 0 auto;background:var(--paper);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 28px 22px;border-bottom:1.5px solid var(--ink);display:none}
  nav.open{display:flex}
  nav a{padding:13px 0;border-bottom:1px solid var(--rule)}
  .menubtn{display:block}
  .langtoggle{order:3;margin-left:auto}
  nav .navbtn{background:var(--ink);color:var(--paper)!important;text-align:center;margin-top:14px;border-radius:3px}
}
@media (max-width:720px){
  .wrap{padding:0 18px}
  .brand b{font-size:1.02rem}
  .brand svg{width:34px;height:34px}
  .cols.c2,.cols.c3,.cols.c4,.grid2,.grid3{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr;row-gap:2px}
  .facts dd{margin-bottom:8px}
  .standing div{grid-template-columns:1fr;gap:5px}
  .cal-row{grid-template-columns:1fr;gap:10px}
  .cal-month b{display:inline;font-size:1.1rem}
  .cal-month span{display:inline;margin-left:8px}
  section{padding:52px 0}
  .tiers tbody th{width:44%}
  nav{inset:78px 0 auto;padding:8px 18px 22px}
}
@media (max-width:400px){
  .brand .country{display:none}
  .brand b{font-size:.96rem}
}