/* brand-site/public/vivian.css — Vivian Lin (@vivianlin.tech). Calm cream page
   close to Claude's own look (clay orange, serif headlines) with the paper
   pieces from her reels as accents: torn tape, red strap, sticker chips,
   dotted walls and Clawd. Mobile-first, works in Instagram's in-app browser. */
*,*::before,*::after{box-sizing:border-box}
:root{--bg:#f0eee6;--paper:#faf9f5;--ink:#1d1d1f;--muted:#5e5d59;--soft:#8a877e;--line:#dcd8cc;
  --clay:#c96442;--tape-red:#d64230;--gold:#f2c14e;--wall:#4a2f6b;--wall-red:#8e2a2a;--dot:#c9a85a;
  --green:#2f8a4a;--blue:#3b6ea5;--max:1120px;
  --font:"Noto Sans TC","Inter",system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;
  --serif:"Noto Serif TC","Songti TC",serif;--mono:"JetBrains Mono",ui-monospace,Consolas,"Noto Sans TC",monospace}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.75;overflow-wrap:anywhere}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--clay);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Paper pieces ---------- */
.wall{background-color:var(--wall);background-image:radial-gradient(var(--dot) 2.2px,transparent 2.6px);background-size:26px 26px;color:#fff}
.tape{display:inline-block;background:var(--ink);color:#fff;padding:10px 22px;font:900 clamp(22px,3.4vw,34px)/1.25 var(--font);transform:rotate(-1.5deg);
  clip-path:polygon(0 6%,3% 0,25% 5%,55% 0,80% 6%,100% 0,98% 50%,100% 96%,75% 100%,45% 95%,15% 100%,0 94%,2% 50%)}
.tape-sm{font-size:clamp(18px,2.4vw,22px);padding:7px 16px;margin:0}
.strap{display:inline-block;background:var(--tape-red);color:#fff;padding:8px 20px;font:900 clamp(16px,2.2vw,22px)/1.4 var(--font);transform:rotate(1deg);margin:12px 0 20px;
  clip-path:polygon(0 8%,30% 0,70% 6%,100% 0,99% 92%,60% 100%,25% 94%,0 100%)}
.sticker{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;align-content:center;text-align:center;color:#fff;font:900 15px/1.15 var(--font);
  border:4px solid #fff;box-shadow:0 4px 0 rgba(0,0,0,.25);flex:none}
.sticker small{display:block;font:800 10px Inter,sans-serif;letter-spacing:.04em}
.s-green{background:var(--green)}.s-blue{background:var(--blue)}

/* ---------- Header / footer ---------- */
.site-header{max-width:var(--max);margin:0 auto;padding:18px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px 16px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font:900 21px var(--serif);text-decoration:none}
.brand-clawd{flex:none}
.site-nav{display:flex;align-items:center;gap:20px;font-size:15px}
.site-nav a{text-decoration:none;color:var(--muted)}
.site-nav a:hover{color:var(--ink)}
.lang-switch{border:1px solid var(--line);border-radius:999px;padding:3px 12px;font-weight:700;font-size:13px}
.lang-switch:hover{border-color:var(--ink)}
main{max-width:var(--max);margin:0 auto;padding:0 16px}
.site-footer{border-top:1px solid var(--line);margin-top:56px;padding:36px 16px 28px}
.footer-inner{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.footer-brand{font:900 18px var(--serif);margin:0}
.footer-tag{color:var(--muted);font-size:14px;margin:4px 0 0}
.footer-links{list-style:none;margin:0;padding:0;font-size:14px;line-height:2}
.footer-links a{color:var(--muted)}
.footer-copy{max-width:var(--max);margin:24px auto 0;font-size:13px;color:var(--soft)}

/* ---------- Shared ---------- */
.eyebrow{font:600 13px Inter,sans-serif;letter-spacing:.12em;color:var(--clay);margin:0 0 14px;text-transform:uppercase}
.lead{font-size:clamp(16px,2vw,18px);color:var(--muted);max-width:560px;margin:0 0 22px}
.section{padding:44px 0 8px}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px 16px;flex-wrap:wrap;margin-bottom:20px}
.section-head a{font-size:14px;color:var(--soft);text-decoration:none}
.section-head a:hover{color:var(--ink)}
.section-title{font:900 clamp(22px,3vw,28px)/1.3 var(--serif);margin:0}
.empty{color:var(--muted)}
.play{position:absolute;left:50%;top:44%;width:38px;height:38px;margin:-19px 0 0 -19px;border-radius:50%;background:rgba(0,0,0,.55);border:2px solid #fff}
.play::after{content:"";position:absolute;left:14px;top:10px;border-left:12px solid #fff;border-top:7px solid transparent;border-bottom:7px solid transparent}

/* Guides search (guides + 404 pages) */
.search{display:flex;max-width:560px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 5px 0 var(--ink)}
.search input{flex:1;min-width:0;border:0;padding:14px 16px;font:inherit;font-size:16px;background:transparent;color:var(--ink)}
.search input:focus{outline:none}
.search button{border:0;background:var(--clay);color:#fff;font:inherit;font-weight:700;padding:0 22px;cursor:pointer}

/* ---------- Home ---------- */
.v-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;padding:56px 0 34px}
.v-hero h1{font:900 clamp(36px,5.6vw,60px)/1.12 var(--serif);margin:0;letter-spacing:-.01em}
.v-set{position:relative;border-radius:20px;padding:30px 22px 26px;margin-top:60px}
.set-clawd{position:absolute;right:18px;top:-74px}
@media (prefers-reduced-motion:no-preference){.set-clawd{animation:bob 3.2s ease-in-out infinite}}
@keyframes bob{50%{transform:translateY(-5px)}}
.ask{display:block;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:18px;padding:14px 16px 12px;box-shadow:0 6px 0 var(--ink);position:relative;z-index:1}
.ask input{display:block;width:100%;border:0;background:transparent;font:500 17px/1.6 var(--font);color:var(--ink);padding:4px 0 18px}
.ask input:focus{outline:none}
.ask-bot{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12.5px;color:var(--soft)}
.ask-send{flex:none;width:34px;height:34px;border-radius:10px;border:0;background:var(--clay);color:#fff;font:900 17px Inter,sans-serif;cursor:pointer}
.ask-sug{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.ask-sug a{border:1px solid var(--line);border-radius:20px;padding:4px 12px;font-size:13px;color:var(--muted);text-decoration:none}
.ask-sug a:hover{border-color:var(--ink);color:var(--ink)}
.set-chips{display:flex;gap:10px;position:absolute;left:-14px;bottom:-30px;z-index:2}
.v-cats{display:flex;gap:10px;flex-wrap:wrap;padding:30px 0 0}
.cat-pill{display:flex;align-items:center;gap:10px;background:var(--paper);border:1px solid var(--line);border-radius:40px;padding:6px 16px 6px 6px;font-weight:700;font-size:14px;text-decoration:none}
.cat-pill i{width:28px;height:28px;border-radius:50%;display:block;border:3px solid #fff;box-shadow:0 2px 0 rgba(0,0,0,.2)}
.cat-pill span{font:600 12px Inter,sans-serif;color:var(--soft)}
.cat-pill:hover{border-color:var(--ink)}

/* Guide cards: files named after the reel keyword */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;
  transition:transform .2s,box-shadow .2s,border-color .2s}
.card[hidden]{display:none}
@media (hover:hover){.card:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:0 14px 30px -18px rgba(40,25,10,.4)}}
.fc-head{display:flex;justify-content:space-between;gap:8px;font:12px var(--mono);color:var(--soft);padding:9px 12px;border-bottom:1px solid #e6e2d6}
.fc-head b{color:var(--clay);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fc-cover{width:100%;aspect-ratio:1/1;object-fit:cover;object-position:top}
.fc-blank{display:grid;place-items:center;background:var(--wall);background-image:radial-gradient(var(--dot) 2px,transparent 2.4px);background-size:22px 22px}
.card-title{padding:12px 12px 4px;font-weight:700;font-size:16px;line-height:1.45}
.card-foot{margin-top:auto;padding:4px 12px 12px;font-size:12.5px;color:var(--soft)}

/* Top reels */
.reel-row-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.v-reel{position:relative;display:block;border-radius:14px;overflow:hidden;background:#111;color:#fff;text-decoration:none}
.v-reel img{width:100%;aspect-ratio:9/16;object-fit:cover}
.v-reel-meta{position:absolute;left:0;right:0;bottom:0;padding:40px 10px 10px;background:linear-gradient(transparent,rgba(0,0,0,.8));display:flex;flex-direction:column;gap:2px}
.v-reel-meta b{font-size:13px;line-height:1.4}
.v-reel-meta em{font-style:normal;font-size:12px;color:#ffd1cb;font-weight:600}
@media (hover:hover){.v-reel:hover img{transform:scale(1.04)}.v-reel img{transition:transform .5s}}

/* Follow box: the only call to action */
.follow-band{margin:48px 0 0;border-radius:18px;padding:28px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;color:#fff;
  background-color:var(--wall-red);background-image:radial-gradient(rgba(255,255,255,.22) 2px,transparent 2.4px);background-size:22px 22px}
.follow-copy p{margin:14px 0 0;color:#f3e9da;font-size:15px;line-height:1.7;max-width:560px}
.btn-follow{display:inline-block;background:#fff;color:var(--ink);padding:12px 20px;border-radius:12px;font-weight:800;font-size:15px;text-decoration:none;white-space:nowrap;box-shadow:0 4px 0 var(--ink)}
.btn-follow:hover{transform:translateY(-1px)}

/* ---------- Guides list ---------- */
.page-head{padding:44px 0 8px}
.page-head h1{font:900 clamp(32px,5vw,50px)/1.2 var(--serif);margin:0 0 14px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.filters a{font-size:14px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:var(--paper)}
.filters a.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- Article ---------- */
.article{max-width:760px;margin:0 auto;padding:28px 0 0}
.article-head{position:relative;border-radius:20px;padding:30px 26px 32px;color:#fff;
  background-color:var(--wall);background-image:radial-gradient(var(--dot) 2.2px,transparent 2.6px);background-size:26px 26px}
.article-head.has-cover{padding-right:230px;min-height:300px}
.head-cover{position:absolute;right:26px;top:28px;width:170px;aspect-ratio:9/16;object-fit:cover;border:6px solid #fff;border-radius:6px;transform:rotate(3deg);box-shadow:0 8px 0 rgba(0,0,0,.3)}
.file-crumb{font:13px var(--mono);color:#e8dcc0;margin:0 0 6px}
.file-crumb b{color:var(--gold)}
.crumbs{font-size:13px;margin:0 0 16px;color:#e8dcc0}
.crumbs a{color:#fff}
.article h1{display:inline;font:900 clamp(24px,4vw,34px)/1.5 var(--font);margin:0;padding:4px 14px;background:var(--ink);color:#fff;
  -webkit-box-decoration-break:clone;box-decoration-break:clone}
.article-head .lead{color:#f3e9da;margin:20px 0 0;font-size:16px}
.byline{font-size:13px;color:#e8dcc0;margin:14px 0 0}
.byline a{color:#fff}
.reel-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0 0}
.btn-ig{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:12px;color:#fff;font-weight:700;font-size:15px;text-decoration:none;
  background:linear-gradient(45deg,#f9ce34,#ee2a7b 55%,#6228d7)}
.ig-mark{width:18px;height:18px;border:2px solid #fff;border-radius:5px;position:relative;flex:none}
.ig-mark::before{content:"";position:absolute;inset:3px;border:2px solid #fff;border-radius:50%}
.ig-mark::after{content:"";position:absolute;top:2px;right:2px;width:3px;height:3px;background:#fff;border-radius:50%}
.reel-kw{font-size:13px;color:#e8dcc0}
.reel-kw b{color:var(--gold)}
.lang-note{display:inline-block;background:rgba(0,0,0,.35);border-radius:999px;padding:5px 14px;font-size:13px;margin:0 0 12px}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 22px;margin:28px 0}
.toc p{margin:0 0 6px;font-weight:700;font-size:14px}
.toc ol{margin:0;padding-left:20px;font-size:15px}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}
.prose{color:#2b2a28}
.prose .intro{font-size:18px}
.prose h2{font:900 clamp(21px,3vw,26px)/1.4 var(--serif);margin:44px 0 14px;display:flex;gap:12px;align-items:center;color:var(--ink)}
.num{flex:none;font:900 13px Inter,sans-serif;background:var(--ink);color:#fff;width:30px;height:30px;border-radius:50%;display:grid;place-items:center}
.steps{padding-left:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:12px 0 12px 44px;border-bottom:1px dashed var(--line)}
.steps li::before{content:counter(s);position:absolute;left:0;top:13px;width:28px;height:28px;border-radius:8px;background:var(--clay);color:#fff;display:grid;place-items:center;font:800 13px/1 Inter,sans-serif}
.prompt{margin:20px 0;background:#141413;color:#e8e6dc;border-radius:14px;overflow:hidden}
.prompt figcaption{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid #2b2a27;font:700 12.5px var(--mono);color:var(--clay)}
.copy{flex:none;white-space:nowrap;border:0;border-radius:8px;background:var(--clay);color:#fff;font:700 13px var(--font);padding:5px 12px;cursor:pointer}
.prompt pre{margin:0;padding:16px;white-space:pre-wrap;font:14.5px/1.75 var(--mono)}
.tip{position:relative;margin:22px 0;background:#fff7e0;border:2px dashed var(--gold);border-radius:14px;padding:14px 16px 14px 74px;font-size:15.5px;line-height:1.7;min-height:76px}
.tip-clawd{position:absolute;left:14px;top:14px}
.tip strong{display:block}
.tip p{margin:2px 0 0}
.figure{margin:22px 0}
.figure img{border-radius:12px;border:1px solid var(--line)}
.figure figcaption{font-size:14px;color:var(--soft);margin-top:8px}
.links{padding-left:20px}
.sources{margin-top:44px;font-size:14px;color:var(--muted)}
.sources h2{font:700 16px var(--font)}

@media (max-width:860px){
  .v-hero{grid-template-columns:1fr;gap:20px;padding-top:36px}
  .reel-row-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:560px){
  .site-nav{gap:14px;font-size:14px}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .card-title{font-size:14.5px}
  .follow-band{grid-template-columns:1fr;padding:22px}
  .article-head{padding:22px 18px 24px}
  .article-head.has-cover{padding-right:18px;padding-top:240px}
  .head-cover{left:50%;right:auto;top:20px;width:120px;margin-left:-60px}
  .set-chips{left:-6px}
  .sticker{width:62px;height:62px;font-size:13px}
}

/* ---------- Email gate (guides): intro + first section open, the rest fades
   out behind the sign-up box until this browser has left an email. The
   gate-locked class is set on <html> before first paint (layout.js). ---------- */
.email-gate{display:none;position:relative;margin:8px 0 0;border-radius:18px;padding:30px 24px 22px;color:#fff;
  background-color:var(--wall-red);background-image:radial-gradient(rgba(255,255,255,.22) 2px,transparent 2.4px);background-size:22px 22px}
html.gate-locked .email-gate,.email-gate.gate-done{display:block}
html.gate-locked .gated{max-height:260px;overflow:hidden;pointer-events:none;user-select:none;
  -webkit-mask-image:linear-gradient(#000 10%,transparent 92%);mask-image:linear-gradient(#000 10%,transparent 92%)}
.gate-clawd{position:absolute;right:20px;top:-46px}
.gate-line{margin:14px 0 16px;color:#f3e9da;font-size:15.5px;line-height:1.7;max-width:560px}
.gate-row{display:flex;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 5px 0 var(--ink);max-width:520px}
.gate-row input{flex:1;min-width:0;border:0;padding:14px 16px;font:inherit;font-size:16px;color:var(--ink);background:transparent}
.gate-row input:focus{outline:none}
.gate-row button{border:0;background:var(--clay);color:#fff;font:inherit;font-weight:800;padding:0 20px;cursor:pointer;white-space:nowrap}
.gate-row button[disabled]{opacity:.6;cursor:wait}
.gate-msg{margin:12px 0 0;font-weight:700;font-size:15px;min-height:1px}
.gate-msg:empty{display:none}
.gate-note{margin:12px 0 0;font-size:12.5px;color:#e8dcc0;line-height:1.6}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.email-gate.gate-done .gate-form .gate-row,.email-gate.gate-done .gate-note,.email-gate.gate-done .gate-line{display:none}
@media (max-width:560px){.email-gate{padding:26px 16px 18px}.gate-row button{padding:0 14px}}
/* While a guide is locked the gate is the only call to action. */
html.gate-locked .article.has-gate .follow-band{display:none}