/* ChatGPT Summary — site styles */
:root{
  --paper:#fbfaf6;
  --card:#ffffff;
  --ink:#14201a;
  --ink-2:#34423a;
  --muted:#5f6b64;
  --line:#e7e4da;
  --line-2:#d9d5c8;
  --green:#31c597;
  --green-ink:#0f7a56;
  --green-deep:#0b5c41;
  --green-soft:#e6f7f0;
  --mark:#ffe58a;
  --radius:18px;
  --shadow:0 1px 2px rgba(20,32,26,.04),0 12px 32px rgba(20,32,26,.06);
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-ink)}
a:hover{color:var(--green-deep)}
.wrap{width:min(1120px,100% - 40px);margin:0 auto}
[id]{scroll-margin-top:84px}
.nowrap{white-space:nowrap}
.narrow{width:min(760px,100% - 40px);margin:0 auto}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:-.01em}
.brand img{width:32px;height:32px}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--ink-2);text-decoration:none;font-size:15px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px;text-decoration-color:var(--green)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:999px;background:var(--green-deep);color:#fff;text-decoration:none;font-weight:600;font-size:15px;line-height:1.2;border:1px solid var(--green-deep);transition:background .15s ease}
.btn:hover{background:#08452f;color:#fff}
.btn svg{width:18px;height:18px;flex:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-sm{padding:9px 16px;font-size:14px}
.menu-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);border-radius:10px;padding:8px 10px;color:var(--ink);font:inherit;font-size:14px}

/* type */
h1,h2,h3{text-wrap:balance;font-family:var(--serif);font-weight:600;letter-spacing:-.015em;line-height:1.12;color:var(--ink);margin:0}
h1{font-size:clamp(40px,6vw,68px)}
h2{font-size:clamp(28px,3.6vw,40px)}
h3{font-size:22px}
.lead{font-size:19px;color:var(--ink-2);max-width:560px}
.kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--green-ink)}
mark{white-space:nowrap;background:linear-gradient(transparent 58%,var(--mark) 58%,var(--mark) 92%,transparent 92%);color:inherit;padding:0 .08em}

/* hero */
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center}
.hero h1{margin:14px 0 20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 18px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:14px;padding:0;margin:0;list-style:none}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta li:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}

/* browser frame + panel mock */
.frame{border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}
.frame-bar{display:flex;align-items:center;gap:7px;height:38px;padding:0 14px;border-bottom:1px solid var(--line);background:#f6f5f0}
.frame-bar i{width:10px;height:10px;border-radius:50%;background:#dcd8cc}
.frame-bar span{margin-left:12px;flex:1;height:22px;border-radius:7px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;align-items:center;padding:0 10px;white-space:nowrap;overflow:hidden}
.hero-visual{position:relative}
.hero-stage{position:relative}
.mock-h{margin:0 0 10px;font-size:28px;border-bottom:1px solid #a2a9b1;padding-bottom:6px}
.hero-note{margin:14px 0 0;font-size:13.5px;color:var(--muted)}
.hero-visual .page{padding:26px 28px 120px;font-family:Georgia,serif;color:#202122}
.hero-visual .page p{margin:0 0 10px;font-size:14px;line-height:1.6;color:#34363a}
.mock-panel{position:absolute;right:-18px;top:64px;width:min(330px,74%);background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(20,32,26,.18);overflow:hidden;border:1px solid #dfe7e2}
.mock-panel header{display:flex;align-items:center;gap:8px;background:#45ad74;color:#fff;font-weight:600;font-size:15px;padding:11px 14px}
.mock-panel header img{width:20px;height:20px;filter:brightness(0) invert(1)}
.mock-panel .body{padding:14px 16px 16px;font-size:13.5px;line-height:1.55;color:#22302a}
.mock-panel ul{margin:6px 0 12px;padding-left:18px}
.mock-panel li{margin-bottom:6px}
.mock-panel .copy{display:inline-flex;gap:6px;align-items:center;font-size:12.5px;font-weight:600;color:#2f8f5d;border:1px solid #cfe8da;border-radius:8px;padding:5px 10px;background:#f3fbf6}
.mock-note{margin-top:12px;font-size:12.5px;color:var(--muted)}

/* sections */
.section{padding:72px 0}
.section-head{max-width:640px;margin-bottom:36px}
.section-head h2{margin:10px 0 12px}
.section-head p{color:var(--ink-2);margin:0}
.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;list-style:none;margin:0;padding:0}
.steps li{position:relative;padding:26px 24px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.steps li:before{counter-increment:step;content:counter(step);font-family:var(--serif);font-size:44px;line-height:1;color:var(--green);display:block;margin-bottom:12px}
.steps h3{font-size:21px;margin-bottom:8px}
.steps p{margin:0;color:var(--ink-2);font-size:15.5px}
kbd{font:600 13px/1 var(--sans);background:#f3f1ea;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:6px;padding:3px 6px;color:var(--ink)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.flip > :first-child{order:2}
.check{list-style:none;padding:0;margin:18px 0 0}
.check li{position:relative;padding-left:30px;margin-bottom:12px;color:var(--ink-2)}
.check li:before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--green-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f7a56' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L19 7'/%3E%3C/svg%3E") center/12px no-repeat}
.check strong{color:var(--ink)}

.shot{border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
figure{margin:0}
figcaption{margin-top:10px;font-size:13.5px;color:var(--muted)}

.prompts{display:flex;flex-direction:column;gap:10px;margin:22px 0 0;padding:0;list-style:none}
.prompts li{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:15px;color:var(--ink-2)}
.prompts li b{flex:none;font:600 12px/1 var(--sans);color:var(--green-ink);background:var(--green-soft);border-radius:999px;padding:5px 9px;margin-top:2px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:26px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
.card h3{font-size:21px;margin:0 0 10px}
.card p{margin:0;color:var(--ink-2);font-size:15.5px}
.card .tag{display:inline-block;margin-bottom:14px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

.note-box{display:grid;grid-template-columns:auto 1fr;gap:18px;padding:24px 26px;border-radius:var(--radius);background:var(--green-soft);border:1px solid #cdeee0}
.note-box svg{width:28px;height:28px;color:var(--green-ink)}
.note-box h3{font-size:21px;margin:0 0 6px}
.note-box p{margin:0;color:var(--ink-2)}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-family:var(--serif);font-size:21px;font-weight:600;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:var(--sans);font-weight:400;font-size:24px;line-height:1;color:var(--green-ink);transition:transform .2s ease}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{margin:12px 0 0;color:var(--ink-2);max-width:720px}

/* guides */
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
.guide{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;color:inherit;transition:border-color .15s ease}
.guide h3 a{color:var(--ink);text-decoration:none}
.guide h3 a:after{content:"";position:absolute;inset:0}
.guide:focus-within{outline:2px solid var(--green);outline-offset:2px}
.guide.text div{padding:18px 20px 20px}
.guide:hover{border-color:var(--line-2);color:inherit}
.guide img{aspect-ratio:1200/630;object-fit:cover;border-bottom:1px solid var(--line)}
.guide div{padding:20px 22px 22px}
.guide .tag{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.guide h3{font-size:22px;margin:8px 0 8px}
.guide p{margin:0;color:var(--ink-2);font-size:15px}

.cta{padding:64px 0}
.cta .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:40px 44px;border-radius:24px;background:var(--ink);color:#e9efe9}
.cta h2{color:#fff;font-size:clamp(26px,3vw,34px)}
.cta p{margin:8px 0 0;color:#b7c4bc}
.cta .btn{background:var(--green);border-color:var(--green);color:#06261a}
.cta .btn:hover{background:#4ad3a7;color:#06261a}

/* footer */
.site-footer{padding:48px 0 56px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.footer-cols{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:32px 48px}
.footer-brand p{margin:12px 0 0;max-width:380px}
.site-footer h4{margin:4px 0 12px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}
.site-footer nav{display:flex;flex-direction:column;gap:8px}
.site-footer a{color:var(--ink-2);text-decoration:none}
.site-footer a:hover{color:var(--ink);text-decoration:underline}
.footer-tools p{margin:0 0 6px;display:flex;flex-direction:column;gap:1px}
.footer-tools a{font-weight:600}
.footer-tools span{font-size:13px;color:var(--muted)}
.footer-copy{grid-column:1/-1;margin:8px 0 0;padding-top:20px;border-top:1px solid var(--line)}
@media (max-width:760px){.footer-cols{grid-template-columns:1fr}}

/* article */
.crumbs{font-size:14px;color:var(--muted);margin:28px 0 0}
.crumbs a{color:var(--muted)}
.article-head{padding:20px 0 24px}
.article-head h1{font-size:clamp(34px,4.6vw,52px);margin:12px 0 16px}
.article-head .lead{max-width:none}
.article-meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:14px;color:var(--muted)}
.prose{font-size:18px;line-height:1.75;color:var(--ink-2)}
.prose h2{font-size:clamp(26px,3vw,32px);margin:48px 0 14px}
.prose h3{font-size:22px;margin:32px 0 10px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 20px;padding-left:24px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink)}
.prose figure{margin:28px 0 32px}
.prose figure img{border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.prose figure.tall .tall-frame{position:relative;max-width:min(420px,100%);max-height:620px;margin:0 auto;overflow:hidden;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.prose figure.tall .tall-frame img{border:0;border-radius:0;box-shadow:none;width:100%}
.prose figure.tall .tall-frame:after{content:"";position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(rgba(255,255,255,0),#fff)}
.prose figure.tall figcaption{text-align:center}
.prose .callout{padding:18px 20px;border-left:3px solid var(--green);background:#fff;border-radius:0 12px 12px 0;margin:24px 0;font-size:16.5px}
.prose code{font:15px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;background:#f1efe7;border-radius:6px;padding:2px 6px;color:var(--ink)}
.table-wrap{overflow-x:auto;margin:8px 0 26px;border:1px solid var(--line);border-radius:14px;background:#fff}
.table-wrap table{width:100%;border-collapse:collapse;font-size:15.5px;line-height:1.55}
.table-wrap th{background:#f6f5f0;text-align:left;padding:12px 14px;color:var(--ink);font-weight:600;white-space:nowrap}
.table-wrap td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
.swatches{display:flex;border-radius:12px;overflow:hidden;height:72px;margin:10px 0 6px}
.swatches span{flex:1;min-width:0;display:flex;align-items:flex-end;padding:8px;font:600 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:#fff}
.swatches span.light{color:#14201a}
.swatch-caption{font-size:14px;color:var(--muted);margin:0 0 22px}
.article-cta{margin:36px 0;padding:24px 26px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.article-cta p{margin:0 0 14px;font-size:17px;color:var(--ink)}
.article-cta .links{display:flex;flex-wrap:wrap;gap:10px}
.related{margin:56px 0 0;padding-top:32px;border-top:1px solid var(--line)}
.related h2{font-size:24px;margin:0 0 20px}

/* responsive */
@media (max-width:960px){
  .hero .wrap,.split{grid-template-columns:1fr;gap:36px}
  .split.flip > :first-child{order:0}
  .steps,.cards{grid-template-columns:1fr}
  .mock-panel{right:12px}
}
@media (max-width:960px){
  .nav{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:6px 20px 14px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-toggle{display:block}
  .site-header .btn{display:none}
}
@media (max-width:760px){
  .guide-grid{grid-template-columns:1fr}
  .hero{padding:44px 0 36px}
  .section{padding:52px 0}
  .lead{font-size:17.5px}
  .prose{font-size:17px}
  .cta .inner{padding:28px 24px}
  .mock-panel{position:relative;left:auto;right:auto;top:auto;width:auto;margin:-40px 12px 0}
  .hero-visual .page{padding-bottom:56px}
  .swatches{flex-wrap:wrap;height:auto}
  .swatches span{flex:0 0 33.333%;height:56px}
}
/* tool pages */
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:8px 0 34px;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
.facts div{padding:14px 18px;border-bottom:1px solid var(--line)}
.facts div:nth-child(odd){border-right:1px solid var(--line)}
.facts div:nth-last-child(-n+2){border-bottom:0}
.facts dt{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 4px}
.facts dd{margin:0;font-size:15.5px;color:var(--ink)}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:6px 0 26px}
.proscons > div{padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:#fff}
.proscons h3{margin:0 0 10px;font-size:19px}
.proscons ul{margin:0;padding-left:20px;font-size:16px}
.tool-list{list-style:none;margin:0;padding:0;counter-reset:tool}
.tool-list li{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:22px 0;border-top:1px solid var(--line)}
.tool-list li:last-child{border-bottom:1px solid var(--line)}
.tool-list li:before{counter-increment:tool;content:counter(tool);font-family:var(--serif);font-size:34px;line-height:1;color:var(--green);min-width:28px}
.tool-list h3{margin:0 0 6px;font-size:23px}
.tool-list h3 a{color:var(--ink);text-decoration:none}
.tool-list h3 a:hover{text-decoration:underline;text-decoration-color:var(--green)}
.tool-list p{margin:0;color:var(--ink-2);font-size:16px}
.tool-list .best{display:block;margin-top:8px;font-size:14px;color:var(--muted)}
.tool-list .links{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:15px}
.tool-list .links a{font-weight:600}
@media (max-width:760px){.facts,.proscons{grid-template-columns:1fr}.facts div:nth-child(odd){border-right:0}.facts div:nth-last-child(-n+2){border-bottom:1px solid var(--line)}.facts div:last-child{border-bottom:0}}