/* Smart Mobile Tricks: magazine design. System fonts only (fast, no external requests). */
:root{--bg:#fff;--surface:#fff;--tint:#f4f7ff;--soft:#eef3ff;--ink:#0b1f44;--muted:#4b5a78;--line:#e1e7f3;--blue:#1f5eff;--blue-d:#123a9c;--link:#1a4fd6;--warn-bg:#fff6e5;--warn-line:#f0b429;--ok-bg:#eaf7f0;--shadow:0 1px 2px rgba(11,31,68,.06),0 8px 24px rgba(11,31,68,.06);--serif:Georgia,"Iowan Old Style","Palatino Linotype",Palatino,"Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
:root[data-theme=dark]{--bg:#0c1426;--surface:#121c33;--tint:#101a30;--soft:#17233f;--ink:#edf1fb;--muted:#a9b5d0;--line:#243252;--blue:#5b8cff;--blue-d:#8fb0ff;--link:#8fb0ff;--warn-bg:#2a2210;--warn-line:#b8871c;--ok-bg:#12281f;--shadow:none}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth;scroll-padding-top:76px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font:17px/1.65 var(--sans);background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%;overflow-x:hidden}
img,svg{max-width:100%;height:auto}a{color:var(--link)}
h1,h2,h3{font-family:var(--serif);line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em;font-weight:700;color:var(--ink)}
h1{font-size:clamp(1.85rem,5.2vw,2.9rem)}h2{font-size:clamp(1.35rem,3.4vw,1.8rem)}h3{font-size:1.12rem}
p{margin:0 0 1em}
.wrap{width:min(1140px,100% - 2rem);margin-inline:auto}.narrow{max-width:760px}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;z-index:99;background:#fff;color:#000;padding:8px 12px;border-radius:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:6px}
.sub{color:var(--muted);margin:-.2em 0 1.1em}.lede{font-size:1.12rem;color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:2px 14px;font-size:.82rem;color:var(--muted);margin:6px 0 0}
/* header */
header.site{position:sticky;top:0;z-index:30;background:var(--surface);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.bar{display:flex;align-items:center;gap:8px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--serif);font-weight:700;font-size:1.12rem;margin-right:auto;white-space:nowrap}
nav.main{position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);display:none;padding:8px 1rem 14px}
nav.main.open{display:block;box-shadow:var(--shadow)}
nav.main ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}
nav.main a{display:block;padding:12px 10px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:600}
nav.main a:hover{background:var(--soft)}nav.main a[aria-current]{color:var(--blue);background:var(--soft)}
.ibtn{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:12px;cursor:pointer;font-size:1rem;text-decoration:none}.ibtn:hover{background:var(--soft)}
@media(min-width:1040px){.menu{display:none}nav.main{position:static;display:block;padding:0;border:0;background:none;margin-right:auto}nav.main ul{display:flex;gap:0}nav.main a{padding:8px 11px;font-size:.9rem;white-space:nowrap}.bar{gap:10px}.logo{margin-right:20px}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:12px;background:var(--blue);color:#fff;font:700 .98rem var(--sans);text-decoration:none;border:2px solid var(--blue);cursor:pointer}
.btn:hover{background:var(--blue-d);border-color:var(--blue-d)}.btn.o{background:transparent;color:var(--blue);border-color:var(--line)}.btn.o:hover{background:var(--soft);border-color:var(--blue)}
:root[data-theme=dark] .btn{color:#06122b}:root[data-theme=dark] .btn.o{color:var(--blue)}
/* hero */
.hero{padding:34px 0 10px;background:linear-gradient(180deg,var(--tint),var(--bg))}
.hgrid{display:grid;gap:18px;align-items:center}.hero h1{max-width:20ch}.hart{display:none}
.search{display:flex;background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:4px;max-width:560px;margin:0 0 16px}.search.wide{max-width:none}
.search:focus-within{border-color:var(--blue)}.search input{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;font-size:1rem;padding:10px 12px}.search input:focus{outline:none}
.search button{border:0;border-radius:10px;background:var(--blue);color:#fff;font:700 .95rem var(--sans);padding:0 20px;cursor:pointer}:root[data-theme=dark] .search button{color:#06122b}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 14px}.pops{font-size:.88rem;color:var(--muted);margin:0}.pops a{margin-right:10px;font-weight:600}
@media(min-width:900px){.hgrid{grid-template-columns:1.25fr .75fr}.hart{display:block}.hero{padding:56px 0 20px}}
.strip{display:flex;gap:8px;overflow-x:auto;padding:12px 0 6px;scrollbar-width:thin}
.strip a{flex:none;display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border:1px solid var(--line);border-radius:99px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.9rem;background:var(--surface)}.strip a:hover{background:var(--soft);border-color:var(--blue)}
/* sections */
section.s{padding:38px 0}section.s.tight{padding:12px 0 36px}section.tint{background:var(--tint)}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin-bottom:18px}.head h2{margin:0 0 4px}.head .sub{margin:0}
.more{flex:none;font-weight:700;text-decoration:none;font-size:.9rem}.more:hover{text-decoration:underline}
.grid{display:grid;gap:18px;grid-template-columns:minmax(0,1fr)}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:980px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
/* cards */
.card,.lead{--h:217;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.card:hover,.lead:hover{border-color:hsl(var(--h) 60% 70%)}
.thumb{display:block;background:hsl(var(--h) 85% 96%)}.thumb img{display:block;width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover}
:root[data-theme=dark] .thumb{background:#17233f}:root[data-theme=dark] .thumb img{opacity:.9}
.cb{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1;min-width:0}
.card h3,.lead h3,.row h3{margin:0;font-size:1.1rem}.card h3 a,.lead h3 a,.row h3 a{color:var(--ink);text-decoration:none}.card h3 a:hover,.lead h3 a:hover,.row h3 a:hover{text-decoration:underline;text-underline-offset:3px}
.card h3 a::after{content:"";position:absolute;inset:0}
.card p,.lead p,.row p{margin:0;color:var(--muted);font-size:.94rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tag{position:relative;z-index:1;align-self:flex-start;display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:700;color:hsl(var(--h,217) 70% 36%);text-decoration:none}.tag:hover{text-decoration:underline}
:root[data-theme=dark] .tag{color:hsl(var(--h,217) 85% 75%)}
.card .meta{margin-top:auto;padding-top:6px}
.lead .btn{align-self:flex-start;margin-top:10px}
.fgrid2{display:grid;gap:18px}@media(min-width:900px){.fgrid2{grid-template-columns:1.55fr 1fr}}
.lead .cb{padding:20px 22px 22px}.lead h3{font-size:clamp(1.35rem,3vw,1.75rem)}.lead p{-webkit-line-clamp:4;font-size:1rem}
.stack{display:grid;gap:12px;align-content:start}
/* rows (compact list items) */
.rows{display:grid;gap:12px}@media(min-width:760px){.rows.two,.rows{grid-template-columns:repeat(2,minmax(0,1fr))}}
.row{--h:217;display:flex;gap:14px;align-items:flex-start;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.row p{-webkit-line-clamp:2}.rows.safe .row{border-left:4px solid hsl(350 70% 55%)}
.ricon{flex:none;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:hsl(var(--h,217) 85% 94%);color:hsl(var(--h,217) 68% 36%)}
:root[data-theme=dark] .ricon{background:#1b2a4a;color:hsl(var(--h,217) 85% 75%)}.ricon.big{width:64px;height:64px;border-radius:18px}
.trust{display:block;padding:16px 18px;border-radius:14px;background:var(--soft);text-decoration:none;color:var(--ink)}.trust b{display:block;font-family:var(--serif);font-size:1.05rem;margin-bottom:2px}.trust span{font-size:.92rem;color:var(--muted)}.trust:hover{outline:2px solid var(--blue)}
.split{display:grid;gap:22px;align-items:start}@media(min-width:900px){.split{grid-template-columns:.8fr 1.2fr}}
.pitch{display:flex;flex-direction:column;gap:14px;align-items:flex-start}.pitch p{font-size:1.05rem;margin:0}.grid2{display:grid;gap:18px}@media(min-width:640px){.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stepsl{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:s}@media(min-width:760px){.stepsl{grid-template-columns:repeat(2,1fr)}}
.stepsl a{display:flex;flex-direction:column;gap:2px;padding:16px 18px 16px 62px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);position:relative;background:var(--surface);height:100%}
.stepsl a::before{counter-increment:s;content:counter(s);position:absolute;left:16px;top:16px;width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:700}:root[data-theme=dark] .stepsl a::before{color:#06122b}
.stepsl a:hover{border-color:var(--blue)}.stepsl b{font-family:var(--serif);font-size:1.05rem}.stepsl span{font-size:.85rem;color:var(--muted)}
/* topics */
.topics{display:grid;gap:14px}@media(min-width:640px){.topics{grid-template-columns:repeat(2,1fr)}}@media(min-width:980px){.topics{grid-template-columns:repeat(3,1fr)}}
.topic{--h:217;display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);background:var(--surface)}.topic:hover{border-color:hsl(var(--h) 60% 60%)}
.topic b{font-family:var(--serif);font-size:1.08rem;display:block}.topic small{display:block;color:var(--muted);font-size:.9rem}.topic .n{margin-top:4px;font-weight:600;color:hsl(var(--h) 60% 38%)}
.cathead{display:flex;gap:18px;align-items:flex-start;margin-bottom:26px;padding:24px;border-radius:18px;background:hsl(var(--h) 85% 96%)}.cathead .ricon{background:#fff}
:root[data-theme=dark] .cathead{background:#121c33}.cathead p{max-width:70ch;margin:.4em 0 0}
.mt{margin-top:34px}.olist{columns:2;padding-left:1.2rem;color:var(--muted)}
/* chips + state */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 10px}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:99px;padding:7px 14px;font:600 .86rem var(--sans);cursor:pointer;min-height:38px}.chip:hover{background:var(--soft)}.chip[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}:root[data-theme=dark] .chip[aria-pressed=true]{color:#06122b}
.state{padding:28px;border:2px dashed var(--line);border-radius:14px;text-align:center;margin-top:14px}.state p{color:var(--muted)}
/* breadcrumbs */
.crumbs{padding-top:16px;font-size:.86rem}.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:0;padding:0;color:var(--muted)}.crumbs li+li::before{content:"/";margin-right:4px;color:var(--line)}.crumbs a{color:var(--muted)}.crumbs [aria-current]{color:var(--ink);font-weight:600}
/* article */
.post{display:grid;gap:28px;padding-top:12px}.art{min-width:0;max-width:740px}
.art h1{margin:.3em 0 .35em}.art h2{margin:1.6em 0 .5em}.art p,.art li{font-size:1.06rem;line-height:1.75}
.byline{display:flex;flex-wrap:wrap;gap:2px 16px;color:var(--muted);font-size:.88rem}.byline a{color:var(--ink);font-weight:600}
.hero-img{display:block;width:100%;border-radius:16px;margin:8px 0 18px;aspect-ratio:1200/520;object-fit:cover}
.takeaway{padding:14px 18px;border-radius:12px;background:var(--soft);border-left:4px solid var(--blue)}
.ex{padding:12px 16px;border-radius:12px;background:var(--tint);border:1px solid var(--line);font-size:1rem!important}
.note{padding:14px 18px;border-radius:12px;background:var(--ok-bg);border-left:4px solid #17a463}.note.warn{background:var(--warn-bg);border-left-color:var(--warn-line)}
.side{display:none}.toc{padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);font-size:.92rem}.toc ol{margin:8px 0 0;padding-left:1.2rem}.toc li{margin:5px 0}.toc a{text-decoration:none;color:var(--ink)}.toc a:hover{color:var(--blue)}
@media(min-width:1000px){.post{grid-template-columns:minmax(0,740px) 280px;justify-content:space-between}.side{display:block}.toc{position:sticky;top:84px}}
.share{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin:16px 0;padding:12px 14px;border:1px solid var(--line);border-radius:12px}.share strong{font-size:.9rem}.sbs{display:flex;flex-wrap:wrap;gap:8px}
.sb{display:inline-flex;align-items:center;min-height:38px;padding:0 14px;border:1px solid var(--line);border-radius:99px;background:var(--surface);color:var(--ink);font:600 .85rem var(--sans);text-decoration:none;cursor:pointer}.sb:hover{background:var(--soft);border-color:var(--blue)}
.author{display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--tint);margin:26px 0}.author p{margin:2px 0 0;font-size:.92rem!important;color:var(--muted)}
.pn{display:grid;gap:12px;margin-top:20px}@media(min-width:640px){.pn{grid-template-columns:1fr 1fr}}
.pn a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--ink)}.pn a:hover{border-color:var(--blue)}.pn small{display:block;color:var(--muted)}.pn b{font-family:var(--serif)}.pn .next{text-align:right}
.page{max-width:760px;padding:18px 0 56px}.page h2{margin-top:1.4em}.page li{margin:4px 0}
.nf{text-align:center;padding:40px 0 60px}.nf .big{font:700 clamp(4rem,18vw,8rem)/1 var(--serif);color:var(--blue)}.nf .search{margin:0 auto 16px}.nf .cta{justify-content:center}
details{border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:0 0 10px;background:var(--surface)}summary{cursor:pointer;font-weight:700;padding:14px 0}details p{margin:0 0 14px;color:var(--muted)}
/* footer */
footer.site{border-top:1px solid var(--line);background:var(--tint);padding:38px 0 30px;margin-top:20px;font-size:.92rem;color:var(--muted)}
.fgrid{display:grid;gap:26px}@media(min-width:760px){.fgrid{grid-template-columns:1.4fr 1.3fr 1fr 1fr}}
footer h2{font:700 .95rem var(--sans);color:var(--ink);margin:0 0 10px}footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}footer a{color:var(--muted);text-decoration:none}footer a:hover{color:var(--blue);text-decoration:underline}.fbrand p{margin:10px 0 0}
.legal{margin:26px 0 0;padding-top:16px;border-top:1px solid var(--line);font-size:.84rem}
.totop{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));width:46px;height:46px;border-radius:50%;border:0;background:var(--blue);color:#fff;display:none;place-items:center;cursor:pointer;box-shadow:0 6px 18px rgba(11,31,68,.25);z-index:25}.totop.show{display:grid}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:84px;background:#0b1f44;color:#fff;padding:10px 16px;border-radius:10px;font-size:.9rem;z-index:50}
@media print{header.site,footer.site,.share,.totop,.side,.pn{display:none}body{font-size:12pt}}