/* =====================================================================
   kvasi.app · "Sleek" pass (2026-10-27, branch sleek). Loaded last.
   1 thinner, more translucent nav; hairline once scrolled; outline Join
   2 hero status = one plain text line (tech.css .tline)
   3 one type scale: headline / body / small
   4 flat cards: solid surface + 1px hairline, no blur, no heavy shadow
   5 more air between sections
   6 one motion token: --dur + --ease (every transition in glass/tech/ds-shell)
   7 quiet footer (Footer.astro .ft2)
   8 smaller Ratatoskr bubble on phones
   html:not(#kvs) lifts these over the older html:not(#kvx) rules.
   ===================================================================== */
:root{
  --ease:cubic-bezier(.2,.7,.2,1);--dur:.35s;--g-ease:var(--ease);
  --fs-h:clamp(30px,3.6vw,50px);--fs-b:16px;--fs-s:12.5px;
  --lh-h:1.04;--lh-b:1.6;--ls-h:-.055em;--fw-b:380;
  --sk-surf:#f8f4ec;--sk-line:rgba(23,20,15,.12);
}
html[data-theme="dark"]{--sk-surf:#12151b;--sk-line:rgba(255,255,255,.11)}
@media (max-width:760px){:root{--fs-h:30px;--fs-b:15.5px}}

/* ---------- 1 · nav ---------- */
html:not(#kvs) .gn__pill{height:52px;margin-top:12px;padding:0 6px 0 20px;
  background:color-mix(in srgb,var(--g-glass) calc(55% + var(--gsp) * 25%),transparent);border:1px solid color-mix(in srgb,var(--g-gline) 60%,transparent);
  -webkit-backdrop-filter:blur(10px) saturate(1.3);-webkit-backdrop-filter:blur(10px) saturate(1.3);backdrop-filter:blur(10px) saturate(1.3);box-shadow:none;
  transition:height var(--dur) var(--ease),margin var(--dur) var(--ease),background-color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
html:not(#kvs) .gn.is-scrolled .gn__pill{height:44px;margin-top:8px;padding-left:18px;border-color:var(--sk-line);background:color-mix(in srgb,var(--g-pagebg) 84%,transparent)}
html:not(#kvs) .gn__wm svg{width:62px;height:22px}
html:not(#kvs) .gn.is-scrolled .gn__wm svg{width:56px;height:20px}
html:not(#kvs) .gn__l{font-size:13.5px}
html:not(#kvs) .gn__l a{height:34px;padding:0 13px}
html:not(#kvs) .gn__ind{height:34px;margin-top:-17px;box-shadow:none}
html:not(#kvs) .gn__thm,html:not(#kvs) .gn__mb{width:36px;height:36px}
html:not(#kvs) .lm__b{height:36px}
/* Join: gold outline, still a clear 36px+ target */
html:not(#kvs) .gn__cta,html:not(#kvs) .gn.is-scrolled .gn__cta{height:38px;min-width:64px;margin-left:6px;padding:0 18px;
  background:color-mix(in srgb,var(--g-pagebg) 55%,transparent);border:1px solid var(--g-gold);border-radius:999px;color:var(--g-gold)!important;-webkit-text-fill-color:var(--g-gold);
  font-size:13.5px;font-weight:600;box-shadow:none;transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease)}
html:not(#kvs) .gn__cta:hover{background:color-mix(in srgb,var(--g-gold) 14%,transparent);box-shadow:none}
@media (max-width:1099px){
  html:not(#kvs) .gn__pill{height:50px;margin-top:10px}
  html:not(#kvs) .gn.is-scrolled .gn__pill{height:44px;margin-top:6px}
  html:not(#kvs) .gn.is-open .gn__pill{background:transparent;border-color:transparent;-webkit-backdrop-filter:none;-webkit-backdrop-filter:none;backdrop-filter:none}
}

/* ---------- 3 · one type scale ---------- */
html:not(#kvs) main :is(.gp h2,.gp>h2,h2.gar__rh,.t3t__h,.pk-split h2,.pk-gal h2,.pk-card h2,.gdh__top h2,.fqp__top h2),
html:not(#kvs) main .gp.kv-end__c>h2,
html:not(#kvs) main .pk-gal h2{font-size:var(--fs-h);line-height:var(--lh-h);letter-spacing:var(--ls-h);font-weight:620}
html[lang="zh"]:not(#kvs) main :is(.gp h2,.t3t__h){letter-spacing:-.02em;line-height:1.18}
html:not(#kvs) main :is(h3,.hk-tile__h){font-size:var(--fs-b);line-height:1.35;letter-spacing:-.01em}
html:not(#kvs) main :is(p.gp__b,.gp p,.gp li,.gx-list>ul>li,.tspec dd,.tlog p,.t3t__p,.pk-card p,.hk-steps li,.hk-ticks li){font-size:var(--fs-b);line-height:var(--lh-b);font-weight:var(--fw-b)}
html:not(#kvs) main :is(.tk,.kv-end__k,.tspec dt,.tlog__m,.hk-tile__p,.mp__s,.wv__cap){font-size:var(--fs-s)}
html:not(#kvs) main .tspec dd{font-weight:500}

/* ---------- 4 · flat cards (both themes) ---------- */
html:not(#kvs) main .glass,
html:not(#kvs) main nav.gar__rel{background:var(--sk-surf);border:1px solid var(--sk-line);
  -webkit-backdrop-filter:none;-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none}
html:not(#kvs) main .glass .glass{background:transparent}
html:not(#kvs) main :is(.hk-tile,.gx-list>ul>li){border-color:var(--sk-line)}
html:not(#kvs) .gbtn,html:not(#kvs) main a.gbtn,html:not(#kvs) main .k-btn,html:not(#kvs) main a.btn{box-shadow:none}
html:not(#kvs) .gbtn:hover,html:not(#kvs) main .k-btn:hover,html:not(#kvs) main a.btn:hover{box-shadow:0 8px 20px -14px rgba(201,162,77,.9)}

/* ---------- 5 · more air between sections ---------- */
html:not(#kvs) main section.gl{margin-top:clamp(150px,22vh,260px)}
html:not(#kvs) .gp{padding:clamp(32px,5.4vw,68px)}
@media (max-width:760px){html:not(#kvs) main section.gl{margin-top:96px}html:not(#kvs) .gp{padding:32px 22px}}

/* ---------- 7 · quiet footer ---------- */
.ft2{position:relative;z-index:2;margin-top:clamp(120px,18vh,200px);padding:22px clamp(16px,4vw,40px) 26px;border-top:1px solid var(--sk-line);
  background:var(--g-pagebg,var(--bg));color:var(--g-mut);font:400 var(--fs-s)/1.5 var(--sans)}
.ft2 a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
.ft2 a:hover{color:var(--g-fg)}
.ft2 :is(a,summary):focus-visible{outline:2px solid var(--g-gold);outline-offset:2px;border-radius:4px}
.ft2__row{display:flex;align-items:center;flex-wrap:wrap;gap:10px 26px;max-width:1120px;margin:0 auto}
.ft2__wm{display:inline-flex;color:var(--g-fg)}
.ft2__wm span{display:block}
.ft2__wm svg{display:block;width:52px;height:19px}
.ft2__l{display:flex;flex-wrap:wrap;gap:6px 18px;flex:1 1 auto}
.ft2__lang{position:relative;margin-left:auto}
.ft2__lang summary{display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:0 10px;border:1px solid var(--sk-line);border-radius:999px;cursor:pointer;list-style:none;letter-spacing:.08em}
.ft2__lang summary::-webkit-details-marker{display:none}
.ft2__lang summary img{width:16px;height:11px;border-radius:2px}
.ft2__lang ul{position:absolute;right:0;bottom:calc(100% + 8px);z-index:5;min-width:160px;margin:0;padding:6px;list-style:none;border:1px solid var(--sk-line);border-radius:12px;background:var(--sk-surf)}
.ft2__lang li a{display:block;padding:7px 10px;border-radius:8px;color:var(--g-fg)}
.ft2__lang li a[aria-current]{color:var(--g-gold)}
.ft2__lang li a:hover{background:color-mix(in srgb,var(--g-fg) 6%,transparent)}
.ft2__fine{display:flex;flex-wrap:wrap;gap:4px 16px;max-width:1120px;margin:14px auto 0;font-size:11.5px;opacity:.8}
.ft2__fine span a{text-decoration:underline;text-underline-offset:2px}
@media (max-width:760px){
  .ft2{padding-bottom:30px}
  .ft2__row{gap:14px 18px}
  .ft2__l{order:3;flex-basis:100%}
}

/* ---------- 8 · smaller Ratatoskr bubble on phones ---------- */
@media (max-width:760px){
  html:not(#kvs) .rtk-bub{max-width:min(170px,46vw)}
  html:not(#kvs) .rtk-bub span{padding:6px 10px 7px;border-radius:12px;font-size:12.5px;line-height:1.3}
}

/* ---------- 9 · conversion pass (2026-10-27, branch offer): hook line, curriculum links, offer, join next/questions ---------- */
main .hx__in p.hx__tag{margin:18px auto 0;font:italic 400 clamp(18px,1.8vw,22px)/1.3 var(--serif);color:#f0d08e;text-shadow:0 1px 12px rgba(0,0,0,.5);text-align:center}
main .hx__in p.hx__tag+.tline{margin-top:12px}
main .hx__in a.hx__lnk{margin-top:22px;font-size:var(--fs-b);color:#f0d08e;text-decoration:none;border-bottom:1px solid rgba(240,208,142,.45);padding-bottom:2px;text-shadow:0 1px 10px rgba(0,0,0,.45);transition:border-color var(--dur) var(--ease)}
main .hx__in a.hx__lnk:hover{border-color:#f0d08e}
main .hx__in a.hx__lnk:focus-visible{outline:2px solid var(--g-gold);outline-offset:3px;border-radius:4px}
main .gp a.of-link{display:inline-block;margin-top:26px}
main .of-card .of-list{margin-top:30px;grid-template-columns:1fr}
main .of-card .of-list li{align-items:flex-start;text-align:left}
main .of-card p.of-cap{margin:18px 0 0;font-size:var(--fs-s);line-height:1.6;color:var(--g-mut)}
main .of-card .gbtn{margin-top:26px}
main .of-next{margin-top:26px;padding-top:22px;border-top:1px solid var(--sk-line)}
main .of-next h3{margin:6px 0 12px;font-size:20px;line-height:1.2;font-weight:600;letter-spacing:-.02em}
main .of-next h3 em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--g-gold)}
main .of-next ol{margin:0;padding:0;list-style:none;counter-reset:ofn;display:grid;gap:10px}
main .of-next li{counter-increment:ofn;display:flex;gap:12px;align-items:baseline;font-size:var(--fs-b);line-height:1.5}
main .of-next li::before{content:counter(ofn);flex:0 0 auto;font:500 var(--fs-s)/1 var(--t-mono);color:var(--g-gold)}
main .of-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
main .of-pair>.glass{margin:0;max-width:none}
main .of-wor dl{margin:30px 0 0;display:grid;gap:0;text-align:left}
main .of-wor dl>div{padding:14px 0;border-top:1px solid var(--sk-line)}
main .of-wor dl>div:first-child{border-top:0;padding-top:0}
main .of-wor dt{font-weight:600;font-size:var(--fs-b)}
main .of-wor dd{margin:4px 0 0;font-size:var(--fs-b);line-height:var(--lh-b);color:var(--g-mut)}
@media (max-width:860px){main .of-pair{grid-template-columns:1fr}}
.jf a.jf__g{display:inline-block;margin-top:14px;font-size:var(--fs-b);color:var(--g-gold)}
/* offer value line under the £15 bullet (2026-10-27, branch trust) */
main .of-card .of-li{display:block}
main .of-card .of-val{display:block;margin-top:4px;font-size:var(--fs-s);line-height:1.5;color:var(--g-mut)}
/* value block "What £15 a month gets you" (2026-10-27, branch trust) */
main .vb h3.vb__h{margin:30px 0 14px;font-size:var(--fs-s);font-family:var(--t-mono);font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--g-mut)}
main .vb .vb__list{margin-top:0;grid-template-columns:1fr}
main .vb .vb__list li{align-items:flex-start;text-align:left}
main .vb a.vb__a{color:var(--g-gold);white-space:nowrap;text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--g-gold) 45%,transparent);transition:border-color var(--dur) var(--ease)}
main .vb a.vb__a:hover{border-color:var(--g-gold)}
main .vb a.vb__a:focus-visible{outline:2px solid var(--g-gold);outline-offset:3px;border-radius:4px}
main .vb .vb__pill{display:inline-block;margin-left:2px;padding:2px 9px;border:1px solid var(--g-gold);border-radius:999px;font:500 11px/1.5 var(--t-mono);letter-spacing:.04em;color:var(--g-gold);white-space:nowrap;vertical-align:1px}
main .vb .vb__cmp{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}
main .vb .vb__c{padding:18px 18px 16px;border:1px solid var(--sk-line);border-radius:14px}
main .vb .vb__c--k{border-color:var(--g-gold)}
main .vb .vb__c p{margin:0;font-size:var(--fs-b);line-height:var(--lh-b);color:var(--g-mut)}
main .vb .vb__c p.vb__ct{margin-bottom:6px;font-weight:600;color:inherit}
main .vb .vb__c--k p.vb__ct{color:var(--g-gold)}
main .vb p.vb__val{margin:14px 0 0;font-size:var(--fs-s);line-height:1.6;color:var(--g-mut)}
main .vb ul.vb__aims{margin:0;padding:0;list-style:none;display:grid;gap:0;text-align:left}
main .vb ul.vb__aims li{padding:12px 0;border-top:1px solid var(--sk-line);font-size:var(--fs-b);line-height:var(--lh-b)}
main .vb ul.vb__aims li:first-child{border-top:0;padding-top:0}
main .vb ul.vb__risk{margin:28px 0 0;padding:18px 0 0;border-top:1px solid var(--sk-line);list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px}
main .vb ul.vb__risk li{font-size:var(--fs-s);line-height:1.5;color:var(--g-mut)}
main .vb ul.vb__risk li::before{content:"✓";margin-right:6px;color:var(--g-gold)}
main .vb .gbtn{margin-top:26px}
@media (max-width:560px){main .vb .vb__cmp{grid-template-columns:1fr}main .vb ul.vb__risk{flex-direction:column;align-items:center}}