/* Editorial polish: different layouts for browsing, comparing and reading. */
body{--reading-accent:#245a88;--reading-wash:#eef4fa;--body-text:#343434}body.dark{--reading-accent:#b2d6f4;--reading-wash:#161d24;--body-text:#d0d0d0}
.brand-symbol{width:36px;height:36px;flex:none}.brand{gap:12px}.brand small{letter-spacing:2px}.hero-logo{width:124px;height:124px;margin:0 auto 18px;position:relative}.hero-logo img{width:100%;height:100%;filter:drop-shadow(0 0 22px #ffffff18)}.hero-logo:before,.hero-logo:after{content:'';position:absolute;inset:-13px;border:1px solid var(--line);clip-path:polygon(0 0,25% 0,25% 2%,2% 2%,2% 25%,0 25%,0 0,100% 100%,75% 100%,75% 98%,98% 98%,98% 75%,100% 75%,100% 100%)}
.hero-arena{min-height:760px;padding:70px 0 88px}.hero-center{width:min(760px,100%);isolation:isolate}.hero-center:before{content:'';position:absolute;z-index:-1;inset:-35px -80px;background:radial-gradient(ellipse,var(--bg) 45%,transparent 73%);pointer-events:none}.hero-arena h1{font-size:66px;letter-spacing:-3px;line-height:1.15;margin:18px 0 24px}.hero-arena h1 span{font-family:Arial,sans-serif;font-size:1.02em;font-weight:850;letter-spacing:-4px;margin-left:6px}.hero-intro{font-size:23px;line-height:1.8;max-width:720px;color:var(--ink);margin-bottom:32px}.hero-intro>span{font-size:19px;color:var(--muted)}.hero-search{width:min(660px,100%);border-width:2px;padding:9px 9px 9px 22px;box-shadow:7px 7px 0 var(--wash)}.hero-search input{font-size:16px;height:48px}.hero-search button{height:48px;font-size:15px;padding:0 25px}.hero-shortcuts{font-size:13px;gap:24px}.hero-shortcuts a{padding:6px 0}
.arena-grid{opacity:.45;background-size:56px 56px;mask-image:radial-gradient(ellipse,transparent 28%,#000 100%);animation:arena-grid-drift 14s linear infinite}.arena-outline{opacity:.28;font-size:clamp(260px,34vw,480px);letter-spacing:30px}.arena-orbit{border:2px solid var(--muted);width:310px;height:310px;opacity:.7;animation-duration:30s}.arena-orbit:before{border:1px solid var(--muted);inset:20px}.arena-orbit:after{width:9px;height:9px;background:var(--ink);box-shadow:0 0 18px #aaa8}.orbit-one{left:-160px;top:150px}.orbit-two{right:-195px;bottom:110px;width:360px;height:360px;animation-duration:42s}.arena-cross{font-size:32px;color:var(--ink)}.arena-streak{height:2px;width:150px;background:linear-gradient(90deg,transparent,var(--ink),transparent);animation-duration:5s}.arena-halo{position:absolute;width:850px;height:850px;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid var(--line);border-radius:50%;box-shadow:0 0 0 32px #88888806,0 0 0 64px #88888806;opacity:.65;mask-image:linear-gradient(90deg,black,transparent 32%,transparent 68%,black)}.arena-lane{position:absolute;width:26%;height:200%;top:-50%;border-left:1px solid var(--line);border-right:1px solid var(--line);transform:rotate(28deg);overflow:hidden}.lane-left{left:-15%}.lane-right{right:-15%;transform:rotate(-28deg)}.arena-lane:before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 78px,var(--muted) 79px 81px,transparent 82px 156px);opacity:.45;animation:lane-run 8s linear infinite}.lane-right:before{animation-direction:reverse}.arena-particles i{position:absolute;width:4px;height:4px;background:var(--ink);left:calc(5% + var(--i)*7%);top:calc(15% + var(--j)*17%);box-shadow:0 0 10px #8888;animation:particle-move 6s ease-in-out infinite;animation-delay:calc(var(--i)*-.7s)}.arena-particles i:nth-child(1){--i:0;--j:1}.arena-particles i:nth-child(2){--i:1;--j:3}.arena-particles i:nth-child(3){--i:2;--j:0}.arena-particles i:nth-child(4){--i:3;--j:4}.arena-particles i:nth-child(5){--i:4;--j:0}.arena-particles i:nth-child(6){--i:5;--j:4}.arena-particles i:nth-child(7){--i:6;--j:0}.arena-particles i:nth-child(8){--i:7;--j:4}.arena-particles i:nth-child(9){--i:8;--j:0}.arena-particles i:nth-child(10){--i:9;--j:3}.arena-particles i:nth-child(11){--i:10;--j:1}.arena-particles i:nth-child(12){--i:11;--j:4}
@keyframes arena-grid-drift{to{background-position:56px 56px}}@keyframes lane-run{to{transform:translateY(156px)}}@keyframes particle-move{0%,100%{transform:translate(0,0);opacity:.3}50%{transform:translate(15px,-35px);opacity:1}}
/* Every important action has its own hit area and clear separation. */
.action-row{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch;margin-top:20px}.action-primary,.action-secondary,.read-action{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:1px solid var(--ink);padding:10px 16px;min-height:44px;border-radius:4px;font-size:14px;line-height:1.4;font-weight:700;text-decoration:none!important;white-space:normal;overflow-wrap:anywhere;text-align:center}.action-primary,.read-action{background:var(--ink);color:var(--bg)!important}.action-secondary{background:transparent;color:var(--ink)!important;border-color:var(--line)}.action-secondary:hover{border-color:var(--ink);background:var(--wash)}.action-primary:hover,.read-action:hover{opacity:.82}.action-row>a{flex:1;min-width:0}.article-body .external{margin:6px 0}.article-body .action-row .external{margin:0}.article-body .btn+.external{margin-left:14px}.table-actions{gap:10px;align-items:center}.table-actions a{font-size:12px;padding:8px 11px;min-height:38px;white-space:nowrap}.feature-card .story-bottom{margin-top:auto;justify-content:flex-start}.read-action{min-height:40px;padding:9px 16px;font-size:13px}.feature-card{position:relative;overflow:hidden}.feature-card:after{content:'↗';position:absolute;right:18px;top:8px;font:64px Arial,sans-serif;color:var(--line);pointer-events:none}.feature-card .story-icon{position:relative;z-index:1}.feature-card h3{max-width:95%}.feature-card .story-bottom{padding-top:12px}.feature-grid{gap:22px}.home-explore{grid-template-columns:repeat(3,minmax(0,1fr))}.home-explore .feature-card:first-child{grid-column:span 2;display:grid;grid-template-columns:1fr auto;min-height:245px;background:var(--ink);color:var(--bg)}.home-explore .feature-card:first-child .story-icon{display:none}.home-explore .feature-card:first-child h3{font-size:30px;grid-column:1}.home-explore .feature-card:first-child p{color:inherit;opacity:.7;grid-column:1;max-width:440px;font-size:15px}.home-explore .feature-card:first-child .tag{color:inherit;border-color:currentColor}.home-explore .feature-card:first-child .read-action{background:var(--bg);color:var(--ink)!important;border-color:var(--bg)}.home-explore .feature-card:first-child .story-bottom{grid-column:2;grid-row:2 / 5;align-self:end}.home-explore .feature-card:nth-child(2){grid-row:span 2;justify-content:center}.home-explore .feature-card:nth-child(2) h3{font-size:27px}.home-explore .feature-card:nth-child(2) .story-icon{font-size:42px;width:72px;height:72px}.home-explore .feature-card:nth-child(2) p{font-size:15px}.home-explore .feature-card:nth-child(2) .story-bottom{margin-top:20px}
.picks{gap:22px}.pick{padding:28px;min-height:330px;display:flex;flex-direction:column}.pick .pick-name{margin:24px 0 18px}.pick .logo{width:58px;height:58px}.pick h3{font-size:28px}.pick p{font-size:15px;min-height:55px;line-height:1.8}.pick .price{font-size:34px;margin-top:auto}.pick .pick-links{padding-top:20px;margin-top:22px;gap:12px}.pick .pick-kicker{font-size:12px}.pick:first-child{border-width:2px}.pick:after{content:'';position:absolute;right:-30px;top:-30px;width:100px;height:100px;border:1px solid var(--line);transform:rotate(45deg);pointer-events:none}.logo{filter:none}.disclosure{line-height:1.75}
/* Tools use recognisable logos, platform chips and separate destination links. */
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.tool-card{display:flex;flex-direction:column;padding:25px;background:var(--paper);border:1px solid var(--line);border-radius:10px;min-width:0;position:relative;transition:border-color .18s,transform .18s}.tool-card:hover{border-color:var(--muted);transform:translateY(-3px)}.tool-card-heading{display:flex;gap:16px;align-items:center;min-width:0}.tool-card-heading>div{min-width:0}.tool-logo{width:60px;height:60px;padding:8px;border-radius:13px;object-fit:contain;flex-shrink:0;background:#fff;border:1px solid #ddd;display:block}.tool-letter{display:grid;place-items:center;color:#111;font-size:23px;font-weight:700}.tool-card h3{font-size:22px;line-height:1.4;overflow-wrap:anywhere;margin:9px 0 0}.tool-card p{font-size:14px;line-height:1.85;color:var(--muted);margin:20px 0}.platform-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 22px}.platform-tags span{border:1px solid var(--line);padding:4px 8px;font:11px ui-monospace,monospace;border-radius:3px;color:var(--muted)}.tool-card .action-row{margin-top:auto}.tool-card .action-row>a{font-size:13px;padding:11px 10px;min-height:44px}.history-link{font-size:12px;color:var(--muted);margin-top:15px;text-decoration:underline;text-underline-offset:4px}.legacy-tool{border-style:dashed}.ai-tool-grid .tool-card:first-child{border-color:var(--muted)}.article-entry>.tool-logo{margin:14px 0 22px;width:76px;height:76px}
/* A numbered reading list differentiates knowledge from product cards. */
.knowledge-jumps{display:flex;gap:20px;margin-top:25px;font-size:14px}.knowledge-jumps a{text-decoration:underline;text-underline-offset:6px}.knowledge-group{scroll-margin-top:110px}.knowledge-group-heading{display:flex;gap:24px;align-items:center;margin-bottom:24px}.knowledge-level{font:700 56px Arial,sans-serif;color:var(--muted);letter-spacing:-3px}.knowledge-group-heading h2{font-size:30px;margin:0}.knowledge-group-heading h2>span{font-size:12px;font-weight:400;margin-left:15px;color:var(--muted)}.knowledge-group-heading p{margin:7px 0 0;color:var(--muted);font-size:15px}.knowledge-list{border-top:1px solid var(--line)}.knowledge-row{display:grid;grid-template-columns:35px 1fr auto;align-items:center;gap:24px;border-bottom:1px solid var(--line);padding:27px 8px;transition:background .18s}.knowledge-row:hover{background:var(--paper)}.knowledge-index{font:13px ui-monospace,monospace;color:var(--muted)}.knowledge-row h3{font-size:20px;margin:0 0 8px;line-height:1.6}.knowledge-row p{margin:0;color:var(--muted);font-size:14px;max-width:760px;line-height:1.8}.knowledge-row .read-action{font-size:12px;padding:9px 12px;white-space:nowrap}
/* Reading column and sticky rail have independent space budgets. */
.article-layout{grid-template-columns:minmax(0,760px) minmax(290px,340px);gap:48px;justify-content:space-between;padding-top:8px}.reading-main{min-width:0}.article-body{padding:30px 34px 40px;background:var(--paper);border:1px solid var(--line);border-radius:9px;font-size:17px;line-height:1.95;color:var(--body-text);overflow-wrap:anywhere}.article-body section+section{border-top:1px solid var(--line);margin-top:38px;padding-top:8px}.article-body h2{position:relative;color:var(--ink);font-size:25px;line-height:1.55;display:flex;gap:12px;align-items:baseline;margin:24px 0 21px;letter-spacing:0;scroll-margin-top:112px}.article-body section:first-child h2{margin-top:0}.section-number{font:12px ui-monospace,monospace;color:var(--reading-accent);flex:none;align-self:center;border:1px solid var(--line);padding:3px 5px;border-radius:3px}.article-body p{margin:15px 0 23px}.article-body .section-key{font-size:17px;line-height:1.9;color:var(--ink);background:var(--reading-wash);border-left:3px solid var(--reading-accent);padding:14px 18px;margin:16px 0 23px;border-radius:0 5px 5px 0}.reading-emphasis{color:var(--reading-accent);font-weight:650}.article-body a:not(.btn):not(.external):not(.card-link):not(.action-secondary):not(.action-primary){color:var(--reading-accent)}.article-body td,.article-body th{padding:13px 12px}.article-body .table-scroll{margin:24px -8px}.reading-rail{position:sticky;top:100px;max-height:calc(100dvh - 122px);overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent;overscroll-behavior:contain;padding:0 4px 4px 0;min-width:0}.reading-rail .toc{position:static;max-height:270px;overflow-y:auto;padding:19px 19px 14px;border:1px solid var(--line);border-radius:8px;background:var(--paper);scrollbar-width:thin}.toc-heading{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}.toc-heading h2{font-size:17px;color:var(--ink);margin:0}.toc-heading>span{font-size:11px;color:var(--muted)}.toc a{font-size:15px;line-height:1.55;padding:10px 8px;display:flex;gap:10px;border-radius:4px}.toc-number{font:10px ui-monospace,monospace;opacity:.65;padding-top:5px;flex:none}.toc a.active{background:var(--wash);color:var(--reading-accent)}.toc a:hover{color:var(--ink);background:var(--wash)}.recommendations{margin-top:20px}.recommendations-heading{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin:0 0 12px;font-size:16px;font-weight:700}.recommendations-heading .note-small{font-size:10px;font-weight:400;margin:0}.recommendation-track{display:flex;flex-direction:column;gap:12px}.recommendation-item{padding:17px;background:var(--paper);border:1px solid var(--line);border-radius:8px}.recommendation-identity{display:flex;align-items:center;gap:12px;position:relative}.recommendation-rank{position:absolute;right:0;top:0;font:10px ui-monospace,monospace;color:var(--muted)}.recommendation-identity .logo{width:46px;height:46px}.recommendation-name{font-size:20px;font-weight:700;padding-right:18px;display:block}.recommendation-price{font-size:17px;margin-top:3px;font-weight:600}.recommendation-price small{font-size:10px;color:var(--muted);font-weight:400;margin-left:5px}.recommendation-item .action-row{margin-top:13px;gap:9px}.recommendation-item .action-row>a{font-size:12px;padding:9px 8px;min-height:40px}.recommendations .disclosure{font-size:10px;margin:12px 3px}.mobile-recommendations{display:none}.mobile-toc summary>span{float:right;font-size:11px;color:var(--muted)}
.shutdown-list{position:relative;border-left:1px solid var(--line);margin-left:8px;padding-left:32px}.shutdown-record{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:28px;margin:0 0 24px}.shutdown-record:before{content:'';width:10px;height:10px;background:var(--ink);border:4px solid var(--bg);position:absolute;top:30px;left:-42px}.shutdown-record .event-date{font:12px ui-monospace,monospace;color:var(--muted)}.shutdown-record h2{font-size:27px;margin:12px 0}.shutdown-record p{line-height:1.9;color:var(--muted);max-width:900px}.shutdown-record ul{line-height:1.9;padding-left:22px;font-size:15px}.shutdown-record .record-limit{font-size:13px;border-left:2px solid var(--muted);padding-left:14px}.shutdown-record .record-meta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}.shutdown-record .action-row{justify-content:flex-start}.shutdown-record .action-row a{flex:0 1 auto}
@media(max-width:1100px){.article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:26px}.article-body{padding:26px;font-size:16px}.article-body h2{font-size:23px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pick{padding:22px}.pick .action-row{flex-direction:column}.hero-arena{min-height:720px}.hero-intro{font-size:21px}.hero-intro>span{font-size:18px}.pick h3{font-size:24px}}
@media(max-width:850px){.article-layout{display:block}.reading-rail{display:none}.mobile-recommendations{display:block;margin-bottom:24px}.mobile-recommendations .recommendations{margin-top:20px}.recommendation-track{flex-direction:row;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin;padding:0 0 9px;gap:14px}.recommendation-item{flex:0 0 min(290px,84vw);scroll-snap-align:start;padding:17px}.recommendations-heading{font-size:17px}.recommendations-heading .note-small{font-size:11px}.recommendations .disclosure{font-size:11px}.mobile-toc{padding:14px 20px;font-size:15px}.mobile-toc div>a{display:flex;gap:10px;font-size:15px;padding:10px}.mobile-toc .toc-number{padding-top:5px}.article-body{font-size:17px;padding:28px}.article-body h2{font-size:24px}.article-entry h1{font-size:34px}.hero-arena{min-height:710px;padding:65px 20px 85px}.hero-arena h1{font-size:59px}.hero-intro{font-size:20px}.hero-intro>span{font-size:17px}.hero-logo{width:108px;height:108px}.arena-orbit{opacity:.55}.orbit-one{left:-240px}.orbit-two{right:-270px}.home-explore{grid-template-columns:repeat(2,minmax(0,1fr))}.home-explore .feature-card:first-child{grid-column:span 2}.home-explore .feature-card:nth-child(2){grid-row:auto}.home-explore .feature-card:nth-child(2) h3{font-size:20px}.home-explore .feature-card:nth-child(2) .story-icon{width:42px;height:42px;font-size:22px}.home-explore .feature-card:nth-child(2) p{font-size:14px}.knowledge-row{gap:16px}.knowledge-row h3{font-size:18px}.picks{grid-template-columns:1fr}.pick{min-height:0;display:grid;grid-template-columns:1fr auto;gap:8px 20px;padding:25px}.pick-kicker,.pick p,.pick .pick-links{grid-column:1/-1}.pick .pick-name{margin:14px 0;grid-column:1;grid-row:2}.pick .price{grid-column:2;grid-row:2;margin:auto 0;font-size:30px}.pick .price small{display:block}.pick .pick-links{flex-direction:row;margin-top:10px}.pick p{min-height:0}.pick h3{font-size:28px}}
@media(max-width:600px){.hero-arena{min-height:680px;padding:65px 0 80px}.hero-logo{width:94px;height:94px;margin-bottom:18px}.hero-arena h1{font-size:50px;letter-spacing:-2px;margin:18px 0 23px}.hero-arena h1 span{letter-spacing:-3px}.hero-intro{font-size:20px;line-height:1.85;padding:0;max-width:340px}.hero-intro>span{display:inline-block;font-size:16px;max-width:310px;margin-top:8px}.hero-search{padding:7px 7px 7px 12px;gap:8px;box-shadow:4px 4px 0 var(--wash)}.hero-search input{font-size:12px;height:44px}.hero-search button{font-size:13px;height:44px;padding:0 14px;gap:10px}.hero-shortcuts{font-size:11px;gap:17px}.arena-halo{width:620px;height:620px}.arena-lane{width:32%}.lane-left{left:-22%}.lane-right{right:-22%}.arena-outline{font-size:235px;letter-spacing:0}.arena-particles i{width:3px;height:3px}.motion-toggle{font-size:10px;top:14px}.home-explore .feature-card:first-child{display:flex;min-height:260px}.home-explore .feature-card:first-child h3{font-size:28px}.home-explore .feature-card:first-child .story-bottom{align-self:start}.home-explore .feature-card:nth-child(2) h3{font-size:18px}.home-explore .feature-card:nth-child(2) p{font-size:13px}.feature-card .read-action{font-size:12px;min-height:40px;padding:8px 12px}.feature-card h3{font-size:18px}.feature-card p{font-size:13px;line-height:1.8}.feature-card:after{font-size:48px;top:4px;right:12px}.tool-grid{grid-template-columns:1fr;gap:16px}.tool-card{padding:22px}.tool-card-heading{gap:16px}.tool-card h3{font-size:23px}.tool-card p{font-size:15px}.tool-card .action-row>a{font-size:14px}.tool-card .tool-logo{width:64px;height:64px}.platform-tags span{font-size:12px}.action-row{gap:12px}.article-body{padding:22px 19px;font-size:16px;line-height:1.95}.article-body h2{font-size:22px;gap:10px;align-items:flex-start;scroll-margin-top:133px}.section-number{margin-top:6px;padding:2px 4px}.article-body .section-key{font-size:16px;padding:13px 14px}.article-body section+section{margin-top:30px}.article-body p{margin-bottom:21px}.article-body .table-scroll{margin:22px -8px}.article-entry h1{font-size:30px;line-height:1.5}.entry p.lead{font-size:16px;line-height:1.9}.article-layout{padding-top:0}.mobile-recommendations{margin-bottom:20px}.recommendation-item{flex-basis:285px}.recommendation-name{font-size:21px}.recommendation-item .action-row>a{font-size:13px;min-height:42px}.knowledge-group-heading{gap:17px;align-items:start}.knowledge-level{font-size:42px}.knowledge-group-heading h2{font-size:26px}.knowledge-group-heading p{font-size:13px;line-height:1.8}.knowledge-row{grid-template-columns:24px minmax(0,1fr);gap:14px;padding:24px 3px}.knowledge-row h3{font-size:18px}.knowledge-row p{font-size:13px}.knowledge-row .read-action{grid-column:2;justify-self:start;margin-top:0;font-size:12px}.knowledge-index{padding-top:4px;align-self:start}.knowledge-list{margin-top:20px}.pick{padding:23px;gap:8px 14px}.pick .logo{width:52px;height:52px}.pick h3{font-size:26px}.pick .price{font-size:29px}.pick .price small{font-size:10px}.pick p{font-size:14px;line-height:1.85}.pick .action-row>a{font-size:14px;min-height:46px}.table-actions{gap:10px;flex-wrap:nowrap}.table-actions a{font-size:12px;min-height:40px}.shutdown-list{padding-left:22px}.shutdown-record{padding:22px}.shutdown-record:before{left:-32px}.shutdown-record h2{font-size:24px}.shutdown-record p{font-size:14px}.article-body .action-row>a{flex:1 1 130px;font-size:14px}.article-body .btn+.external{margin-left:0}.article-body .btn{white-space:normal}}
@media(max-width:380px){.hero-arena h1{font-size:44px}.hero-intro{font-size:18px}.hero-intro>span{font-size:15px}.hero-search button{padding:0 10px}.hero-shortcuts{gap:12px}.pick h3{font-size:23px}.pick .logo{width:42px;height:42px}.pick .price{font-size:25px}.pick .pick-name{gap:9px}.recommendation-item{flex-basis:265px}.article-body{padding:20px 16px}.article-body h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){.arena-art *{animation:none!important}.tool-card:hover{transform:none}}
.article-body h2{color:var(--reading-accent)}.swipe-hint{display:none}.tool-letter{font:700 18px Arial,sans-serif;letter-spacing:-1px}.reading-rail{scrollbar-gutter:stable}.reading-rail:focus-within{outline-offset:3px}
@media(max-width:850px){.rail-hint{display:none}.swipe-hint{display:inline}}
/* Keep the decorative reading mask inside narrow screens. */
@media(max-width:850px){.hero-center:before{inset:-35px 0}.hero-search input{min-width:0}}