/* Page-specific rules: src/pages/assistance.astro (redesign). Shared tokens and chrome live in /styles/lp/base.css. */

/* ---------- type (page overrides) ---------- */
:root{--no:#e6795f;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;}
.h1{font-size:clamp(40px,5.2vw,70px);line-height:1;letter-spacing:-.035em}
.inline-link{color:var(--accent-text);border-bottom:1px solid transparent;transition:border-color .2s}
.inline-link:hover{border-color:var(--accent-text)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);padding:calc(78px + clamp(56px,8vh,104px)) 0 clamp(48px,6vw,80px)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 60% at 85% 20%,rgba(25,181,122,.10),transparent 60%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:40px clamp(32px,5vw,80px);align-items:end}
.hero .eyebrow{margin-bottom:26px}
.hero .h1{margin-bottom:22px;max-width:16ch}
.hero .lede{max-width:62ch}
.regimes{border-left:1px solid var(--line);padding-left:clamp(20px,3vw,40px)}
.regimes a{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--line);align-items:start;color:var(--fg-2);transition:color .2s}
.regimes a:first-child{border-top:0;padding-top:0}
.regimes a:hover{color:var(--fg)}
.regimes .n{width:34px;height:34px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;font-size:12px;font-weight:600;color:var(--fg)}
.regimes b{display:block;font-size:15.5px;font-weight:500;color:var(--fg)}
.regimes span{display:block;font-size:13px;line-height:1.45;margin-top:2px}
.notice{margin-top:clamp(28px,4vw,44px);padding:20px 24px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r-lg);background:var(--card);max-width:900px}
.notice b{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);margin-bottom:8px;font-weight:500}
.notice p{font-size:15px;color:var(--fg-2);line-height:1.6}

/* ---------- doc layout ---------- */
.doc{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:start;padding:clamp(24px,3vw,40px) 0 clamp(80px,10vw,140px)}
.toc{position:sticky;top:104px;max-height:calc(100vh - 124px);overflow:auto;padding-right:6px}
.toc .grp{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3);margin:22px 0 8px}
.toc .grp:first-child{margin-top:0}
.toc a{display:flex;gap:10px;align-items:baseline;padding:7px 0 7px 14px;border-left:1px solid var(--line);font-size:13.5px;color:var(--fg-2);transition:color .2s,border-color .2s}
.toc a b{font-weight:500;color:var(--fg-3);font-variant-numeric:tabular-nums;min-width:1.4ch;font-size:12px}
.toc a:hover{color:var(--fg)}
.toc a.on{color:var(--fg);border-left-color:var(--accent)}
.toc a.on b{color:var(--accent-text)}
.stuck{margin-top:26px;padding:20px 20px 18px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card)}
.stuck b{display:block;font-size:15px;font-weight:500;margin-bottom:6px}
.stuck p{font-size:13.5px;color:var(--fg-2);line-height:1.5;margin-bottom:14px}
.reg{padding:clamp(32px,4vw,56px) 0;border-top:1px solid var(--line);scroll-margin-top:100px}
.reg:first-child{border-top:0;padding-top:8px}
.reg-head{display:grid;grid-template-columns:auto 1fr;gap:20px 24px;align-items:start;margin-bottom:8px}
.reg-head .big{font-size:clamp(44px,5.5vw,80px);font-weight:600;letter-spacing:-.045em;line-height:.9;color:var(--accent-text);font-variant-numeric:tabular-nums}
.reg-head h2{font-size:clamp(26px,2.8vw,38px);margin-bottom:8px}
.reg-head .sub{font-size:15px;color:var(--fg-2);letter-spacing:.02em}
.sec{padding:clamp(20px,2.5vw,32px) 0 0;scroll-margin-top:100px}
.sec h3{font-size:clamp(19px,1.8vw,23px);letter-spacing:-.015em;margin-bottom:12px;max-width:40ch;display:flex;gap:12px;align-items:baseline}
.sec h3 .n{font-size:12px;font-weight:600;color:var(--accent-text);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.sec p{font-size:16px;line-height:1.65;color:var(--fg-2);max-width:68ch}
.sec p+p,.sec ul+p,.sec .tbl-wrap+p{margin-top:12px}
.sec strong{color:var(--fg);font-weight:500}
.sec em{color:var(--fg);font-style:italic}
.sec ul{margin:14px 0 0;max-width:68ch}
.sec ul li{position:relative;padding:11px 0 11px 22px;border-top:1px solid var(--line);font-size:15.5px;line-height:1.55;color:var(--fg-2)}
.sec ul li::before{content:"";position:absolute;left:0;top:21px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.sec ul li:last-child{border-bottom:1px solid var(--line)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);margin:16px 0 0;max-width:900px}
.tbl{min-width:600px}
.tbl th,.tbl td{text-align:left;padding:12px 16px;border-top:1px solid var(--line);font-size:14px;vertical-align:top;line-height:1.5}
.tbl thead th{border-top:0;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);font-weight:500}
.tbl td:first-child{font-weight:500;color:var(--fg);white-space:nowrap}
.tbl td:not(:first-child){color:var(--fg-2)}
.callout{margin-top:16px;padding:18px 20px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r-lg);background:var(--card);max-width:68ch}
.callout b{display:block;font-size:15.5px;font-weight:500;color:var(--fg);margin-bottom:6px}
.callout p{font-size:15px;color:var(--fg-2)}
.callout.warn{border-left-color:var(--no)}
.sources{margin-top:clamp(28px,3.5vw,44px);padding-top:22px;border-top:1px solid var(--line);font-size:13.5px;color:var(--fg-3);line-height:1.6;max-width:80ch}
.sources em{color:var(--fg-2)}
.gap{margin-top:clamp(28px,3.5vw,44px);padding:30px 32px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px 32px;align-items:center}
.gap b{display:block;font-size:19px;font-weight:500;margin-bottom:6px;letter-spacing:-.015em}
.gap p{font-size:15px;color:var(--fg-2);line-height:1.55;max-width:56ch}

/* ---------- assistance ---------- */
.as-hero{align-items:start}
.as-hero .h1{max-width:14ch}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.chips button{padding:11px 16px;border:1px solid var(--line-2);border-radius:999px;font-size:13.5px;color:var(--fg);transition:border-color .2s,color .2s,background .2s;text-align:left}
.chips button:hover{border-color:var(--accent);color:var(--accent-text)}
.chips button[disabled]{opacity:.45;cursor:default}
.chips-l{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3);margin-top:34px}
.chat{position:relative;border:1px solid var(--line-2);border-radius:16px;background:#0b0a0a;box-shadow:0 40px 100px rgba(0,0,0,.5);display:flex;flex-direction:column;min-height:560px;overflow:hidden}
.chat-head{display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);background:var(--surface)}
.chat-head .av{width:34px;height:34px;border-radius:50%;background:var(--accent);display:grid;place-items:center;color:var(--on-accent);font-weight:700;font-size:13px}
.chat-head b{display:block;font-weight:500;font-size:14.5px}
.chat-head small{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--fg-2)}
.chat-head small::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.chat-tag{margin-left:auto;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;padding:5px 9px;border:1px solid var(--line-2);border-radius:999px;color:var(--fg-2)}
.chat-log{flex:1;padding:20px 18px;display:flex;flex-direction:column;gap:12px;overflow:auto;max-height:520px}
.msg{max-width:86%;padding:12px 14px;border-radius:14px;font-size:14.5px;line-height:1.5;animation:msgin .35s var(--ease-out) both}
.msg.bot{background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start;color:var(--fg)}
.msg.user{background:var(--accent);color:var(--on-accent);border-bottom-right-radius:4px;align-self:flex-end;font-weight:500}
.msg a{color:var(--accent-text);border-bottom:1px solid rgba(79,214,164,.4)}
.msg.user a{color:inherit}
.msg .src{display:block;margin-top:8px;font-size:12px;color:var(--fg-3)}
.typing{display:inline-flex;gap:4px;padding:14px 16px;align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:14px;border-bottom-left-radius:4px}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--fg-2);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
@keyframes msgin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.chat-in{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line);background:var(--surface)}
.chat-in input{flex:1;min-width:0;background:var(--ink);border:1px solid var(--line);border-radius:10px;padding:13px 14px;color:var(--fg);font-size:14px}
.chat-in input::placeholder{color:var(--fg-3)}
.chat-in .btn{padding:0 18px}
.chat-note{padding:10px 18px 14px;font-size:12px;color:var(--fg-3);background:var(--surface);border-top:1px solid var(--line)}
.helps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.help{background:var(--ink);padding:26px 24px 28px;display:flex;flex-direction:column;gap:8px;transition:background .25s;color:inherit}
.help:hover{background:var(--surface)}
.help b{font-weight:500;font-size:17px;display:flex;justify-content:space-between;align-items:center}
.help b::after{content:"→";color:var(--fg-3);font-size:14px;transition:transform .2s,color .2s}
.help:hover b::after{color:var(--accent-text);transform:translateX(3px)}
.help p{font-size:14px;color:var(--fg-2);line-height:1.5}
.topics{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:8px}
.topic{border-top:1px solid var(--line-2);padding-top:18px}
.topic b{display:block;font-weight:500;font-size:16px;margin-bottom:6px}
.topic p{font-size:13.5px;color:var(--fg-2);line-height:1.5}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:24px clamp(40px,6vw,96px);align-items:end;margin-bottom:clamp(36px,5vw,56px)}
.h2{font-size:clamp(32px,4.2vw,54px);line-height:1.06}
.sec-head .h2{margin-top:20px}
@media (max-width:1100px){.helps{grid-template-columns:1fr 1fr}.topics{grid-template-columns:repeat(3,1fr)}}
@media (max-width:980px){.as-hero,.sec-head{grid-template-columns:1fr}.chat{min-height:0}}
@media (max-width:600px){.helps,.topics{grid-template-columns:1fr}}

/* ---------- responsive ---------- */
@media (max-width:1100px){
}
@media (max-width:980px){
  .hero-grid,.doc,.gap{grid-template-columns:1fr}
  .regimes{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:22px}
  .toc{position:static;max-height:none;display:flex;flex-wrap:wrap;gap:6px 10px;padding-bottom:20px;border-bottom:1px solid var(--line)}
  .toc .grp{display:none}
  .toc a{border-left:0;padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px}
  .toc a b{display:none}
  .toc a.on{border-color:var(--accent)}
  .stuck{display:none}
}
@media (max-width:700px){
  .reg-head{grid-template-columns:1fr}
  .h1{font-size:clamp(34px,10vw,50px)}
}