:root{--ink:#152338;--muted:#6b7585;--line:#e6eaf0;--page:#fff;--soft:#f7f9fc;--warm:#ff5129;--warm-dark:#eb321a;--blue:#0586e6;--blue-dark:#0865bc;--green:#159448;--shadow:0 6px 20px rgba(22,38,65,.06);--radius:13px;--width:1350px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:128px}body{margin:0;color:var(--ink);background:var(--page);font:15px/1.52 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #63b9ff;outline-offset:3px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;letter-spacing:-.035em}p{line-height:1.6}svg.icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.85;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.container{width:min(var(--width),calc(100% - 72px));margin-inline:auto}.sr-only,.sprite{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:absolute;z-index:1000;transform:translateY(-150%);background:#fff;padding:12px 20px}.skip-link:focus{transform:translateY(0)}.site-header{position:relative;background:white;z-index:15;box-shadow:0 2px 12px rgba(16,31,51,.05)}.header-main{display:grid;grid-template-columns:285px minmax(200px,1fr) 242px;align-items:center;gap:33px;min-height:93px}.brand{display:inline-flex;flex-direction:column;align-items:flex-start;line-height:1;white-space:nowrap}.brand-line{font-size:39px;font-weight:860;letter-spacing:-2.5px}.brand-warm{color:#fa4b2b}.brand-cold{color:#0c8add}.brand-ext{color:#243242}.brand-small{align-self:center;margin-top:5px;letter-spacing:2.05px;font-size:8px;font-weight:800;color:#333f51}.brand-small b{color:#f14f31;margin:0 2px}.search-form{height:46px;display:flex;align-items:center;position:relative;min-width:0;background:#f5f7fb;border:1px solid #e5eaf2;border-radius:9px}.search-form:focus-within{border-color:#9ecbff;box-shadow:0 0 0 3px rgba(0,133,235,.1)}.search-form input{border:0;background:transparent;outline:0;min-width:0;width:100%;padding:0 14px;font-size:13px;color:var(--ink)}.search-form input:focus{outline:none}.search-form button{border:0;background:transparent;min-width:49px;height:100%;display:grid;place-items:center;color:#223248}.search-form .icon{width:19px;height:19px}.search-results{position:absolute;left:0;right:0;top:calc(100% + 9px);background:#fff;border:1px solid var(--line);box-shadow:0 20px 50px rgba(12,37,61,.15);border-radius:12px;padding:10px;z-index:40}.search-result{display:block;padding:11px 12px;border-radius:8px;font-size:13px}.search-result:hover,.search-result:focus{background:#f3f8ff}.search-result small{display:block;color:var(--muted);margin-top:1px}.search-empty{font-size:13px;color:var(--muted);padding:12px}.header-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.header-action{border:0;background:transparent;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:5px 7px;color:#101c30;font-size:12px;font-weight:650}.header-action:hover{color:var(--blue)}.header-action svg{width:25px;height:25px}.count-bubble{position:absolute;right:2px;top:-1px;min-width:15px;height:15px;border-radius:100px;background:var(--warm);color:white;font-style:normal;font-size:10px;line-height:15px;text-align:center}.primary-nav{border-top:1px solid #f0f2f5}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px}.nav-link{height:58px;display:inline-flex;gap:8px;align-items:center;white-space:nowrap;border-bottom:3px solid transparent;padding-top:3px;font-size:12px;font-weight:700;color:#253248;transition:.15s}.nav-link:hover,.nav-link.active{color:#087cf1}.nav-link.active{border-bottom-color:#087cf1}.nav-link .icon{width:19px;height:19px}.warm-icon{color:var(--warm)}.cold-icon{color:var(--blue)}.green-icon{color:var(--green)}.mobile-menu{display:none}.mobile-menu:not([hidden]){display:grid;grid-template-columns:repeat(2,minmax(160px,1fr));gap:5px 13px;position:absolute;right:max(24px,calc((100vw - var(--width))/2));top:calc(100% - 1px);padding:15px;background:white;border:1px solid var(--line);box-shadow:0 20px 35px rgba(20,42,66,.16);border-radius:0 0 12px 12px;z-index:30}.mobile-menu a{font-size:13px;font-weight:700;padding:10px 12px;border-radius:6px}.mobile-menu a:hover{background:#f3f7fb}.hero{background:#203247 url('../img/hero.webp') center 47%/cover no-repeat;position:relative;isolation:isolate;min-height:435px;display:flex;align-items:center;overflow:hidden}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,18,32,.12) 0%,rgba(6,19,35,.40) 30%,rgba(8,26,46,.75) 43%,rgba(8,30,50,.47) 61%,rgba(8,23,37,.03) 100%);z-index:-1}.hero-inner{display:flex;justify-content:center;align-items:center;padding-block:48px}.hero-copy{width:min(640px,65%);margin-left:0;color:white;text-align:left;transform:translateX(12px)}.eyebrow{display:inline-flex;gap:8px;align-items:center;font-size:11px;font-weight:800;letter-spacing:2.1px;color:rgba(255,255,255,.9);margin-bottom:13px}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:#ff8f40;box-shadow:0 0 0 4px rgba(255,143,64,.2)}.hero h1{font-size:clamp(34px,4vw,55px);font-weight:850;line-height:1.10;margin:0 0 17px;text-shadow:0 3px 18px rgba(0,0,0,.18)}.hero h1 em{font-style:normal}.hero-copy>p{font-size:17px;line-height:1.57;max-width:530px;margin:0 0 25px;color:rgba(255,255,255,.97)}.hero-buttons{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;gap:14px;align-items:center;justify-content:center;padding:13px 18px;border-radius:8px;color:#fff;font-size:13px;font-weight:800;box-shadow:0 8px 18px rgba(0,0,0,.10);transition:transform .17s,filter .17s}.btn:hover{transform:translateY(-2px);filter:brightness(1.06)}.btn .icon{width:17px;height:17px}.btn-warm{background:#ff4d24}.btn-cold{background:#0587ec}.content-section,.category-section{margin-top:34px}.category-section{margin-top:29px}.section-heading{display:flex;justify-content:space-between;gap:14px;align-items:flex-end;margin-bottom:20px}.section-heading h2{font-size:clamp(23px,2.1vw,30px);line-height:1.14;margin:3px 0 0;font-weight:830;letter-spacing:-.04em}.section-heading.compact{margin-bottom:17px}.section-heading.compact h2{font-size:22px}.section-kicker{font-size:10px;letter-spacing:2px;font-weight:800;color:#75869a}.section-link{display:inline-flex;align-items:center;gap:7px;color:#0575d1;font-size:12px;font-weight:750;white-space:nowrap;padding-bottom:3px}.section-link .icon{width:16px;height:16px}.section-link:hover{text-decoration:underline}.section-aside{color:#6d7d90;font-size:12px;padding-bottom:2px}.category-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:13px}.category-card{overflow:hidden;border:1px solid #e6e9ef;border-radius:10px;background:#fff;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s;min-width:0}.category-card:hover{transform:translateY(-4px);box-shadow:0 11px 24px rgba(18,42,64,.13)}.category-card img{width:100%;height:148px;object-fit:cover}.category-bottom{min-height:77px;display:flex;align-items:center;justify-content:space-between;gap:7px;padding:10px 12px}.category-bottom strong{font-size:14px;letter-spacing:-.3px;line-height:1.35}.category-bottom .icon{width:17px;height:17px}.article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.article-card{border:1px solid #e7ebf0;border-radius:10px;overflow:hidden;background:white;transition:box-shadow .2s,transform .2s}.article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.article-image{position:relative;display:block}.article-image img{width:100%;height:188px;object-fit:cover}.topic-pill{position:absolute;bottom:-9px;left:13px;color:white;padding:4px 9px;border-radius:5px;font-size:10px;font-weight:800;letter-spacing:.2px}.topic-pill.hot{background:#f75131}.topic-pill.cool{background:#0789ed}.article-body{padding:17px 14px 13px;display:flex;flex-direction:column;min-height:193px}.article-title{font-weight:820;font-size:16px;letter-spacing:-.45px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-title:hover{color:var(--blue)}.article-body p{color:#637184;font-size:13px;margin:8px 0 10px;line-height:1.5;flex-grow:1}.article-meta{padding-top:10px;border-top:1px solid #edf0f4;display:flex;align-items:center;justify-content:space-between;gap:10px;color:#728097;font-size:11px}.article-meta>span{display:inline-flex;gap:5px;align-items:center}.article-meta .icon{width:15px;height:15px}.save-article{border:0;color:#77849a;background:transparent;width:28px;height:28px;display:grid;place-items:center;border-radius:50%}.save-article:hover{background:#f2f6fc;color:#f05a44}.save-article[aria-pressed=true]{color:#ef4e35}.save-article[aria-pressed=true] .icon{fill:currentColor}.tools-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.tool-card{border:1px solid #e7ebf0;border-radius:11px;min-height:160px;padding:20px 15px;display:flex;gap:14px;background:linear-gradient(145deg,#fff 40%,#fbfcff);box-shadow:var(--shadow)}.tool-icon{width:53px;height:53px;display:grid;place-items:center;flex-shrink:0}.tool-icon .icon{width:44px;height:44px;stroke-width:1.6}.tool-icon.orange{color:var(--warm)}.tool-icon.blue{color:var(--blue)}.tool-icon.slate{color:#314052}.tool-icon.green{color:#1f9f4a}.tool-text{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.tool-text h3{font-size:14px;letter-spacing:-.28px;line-height:1.35;margin:1px 0 7px}.tool-text p{font-size:12px;line-height:1.45;color:#617084;flex-grow:1;margin:0 0 14px}.tool-button{border:0;display:inline-flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 14px;border-radius:7px;color:#fff;font-size:12px;font-weight:750;min-width:116px}.tool-button .icon{width:15px;height:15px}.orange-btn{background:var(--warm)}.blue-btn{background:var(--blue)}.dark-btn{background:#304055}.green-btn{background:#18a34a}.tool-button:hover{filter:brightness(.93)}.solution-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}.solution-card{border-radius:9px;overflow:hidden;border:1px solid #e5e9ef;min-width:0;box-shadow:0 4px 14px rgba(18,37,62,.04);transition:transform .2s}.solution-card:hover{transform:translateY(-3px)}.solution-card img{width:100%;height:126px;object-fit:cover}.solution-card strong{display:block;padding:12px 11px;font-size:13px;line-height:1.3;letter-spacing:-.2px}.guides-section{margin-bottom:68px}.guide-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}.guide-card{border:1px solid #e5e9ef;border-radius:10px;overflow:hidden;background:#fff;transition:transform .2s}.guide-card:hover{transform:translateY(-3px)}.guide-card img{width:100%;height:152px;object-fit:cover}.guide-card>div{padding:12px 13px 15px}.guide-card strong{font-size:14px;display:block;line-height:1.35;letter-spacing:-.2px}.guide-card p{font-size:12px;color:#758194;margin:6px 0 0;line-height:1.4}.bottom-banner{background:linear-gradient(112deg,#19324b,#0660a7);color:#fff;padding:37px 0}.bottom-banner-inner{display:flex;justify-content:space-between;gap:20px;align-items:center}.bottom-banner h2{font-size:26px;margin:4px 0 7px}.bottom-banner p{font-size:13px;opacity:.85;margin:0}.bottom-banner .section-kicker{color:#9acaf1}.btn-white{background:white;color:#195782;white-space:nowrap}.site-footer{background:#f8fafc}.footer-grid{display:grid;grid-template-columns:1.55fr .7fr .9fr 1fr;gap:42px;padding-top:52px;padding-bottom:38px}.footer-about p{max-width:315px}.footer-grid h3{font-size:13px;letter-spacing:0;margin:0 0 18px}.footer-grid p{font-size:12px;line-height:1.7;color:#708096;margin-top:17px}.footer-grid>div:not(:first-child) a{display:block;color:#708096;font-size:12px;margin:0 0 11px}.footer-grid>div:not(:first-child) a:hover{color:var(--blue)}.footer-grid .brand-line{font-size:31px;letter-spacing:-1.8px}.footer-grid .brand-small{font-size:6px;letter-spacing:1.6px}.footer-bottom{border-top:1px solid #e4e9f0;padding-top:18px;padding-bottom:22px;display:flex;justify-content:space-between;font-size:11px;color:#8591a2}.site-dialog{border:0;border-radius:17px;max-width:min(510px,calc(100vw - 32px));width:100%;padding:28px;box-shadow:0 28px 90px rgba(13,28,48,.28);color:var(--ink);max-height:min(760px,calc(100dvh - 25px));overflow-y:auto}.site-dialog::backdrop{background:rgba(11,26,43,.62);backdrop-filter:blur(3px)}.dialog-close{position:absolute;right:13px;top:13px;border:0;background:#f1f5f9;border-radius:50%;width:34px;height:34px;display:grid;place-items:center}.dialog-close .icon{width:17px;height:17px}.site-dialog h2{font-size:23px;padding-right:24px;margin-bottom:7px}.dialog-intro{color:#63748a;font-size:13px;margin:0 0 20px}.calc-form{display:grid;gap:13px}.calc-form label{font-size:12px;font-weight:750}.calc-form input,.calc-form select{width:100%;display:block;padding:11px 12px;border:1px solid #d9e0e9;border-radius:7px;background:#fff;color:#243447;margin-top:5px}.calc-form .two-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}.calc-form button{background:var(--blue);color:white;padding:12px;border-radius:8px;border:0;font-weight:750}.calc-output{background:#f1f8ff;border:1px solid #d2e8fd;border-radius:9px;margin-top:18px;padding:16px;display:none}.calc-output.is-visible{display:block}.calc-output strong{display:block;color:#155b93;font-size:24px}.calc-output p{color:#536a80;font-size:12px;margin:7px 0 0}.helper-note{color:#7b8796;font-size:11px;line-height:1.55}.saved-list{display:flex;flex-direction:column;gap:8px}.saved-list a{padding:13px 12px;background:#f5f8fc;border-radius:8px;font-size:14px;font-weight:700}.saved-list a:hover{background:#eaf2fa}.compare-table{width:100%;border-collapse:collapse;font-size:12px}.compare-table th,.compare-table td{border-bottom:1px solid var(--line);padding:10px 6px;text-align:left;vertical-align:top}.compare-table th{font-size:11px;color:#64748b}.toast{position:fixed;z-index:99;bottom:25px;right:24px;background:#243246;color:#fff;padding:12px 18px;box-shadow:0 10px 35px rgba(10,20,32,.2);border-radius:9px;font-size:13px;opacity:0;transform:translateY(12px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translateY(0)}
/* Inner-page layouts */
.page-intro{background:#f5f8fc;padding:37px 0 42px;border-top:1px solid #e9eff6}.breadcrumbs{display:flex;gap:8px;align-items:center;color:#718099;font-size:12px;margin-bottom:25px}.breadcrumbs a:hover{color:var(--blue)}.page-intro-grid{display:grid;grid-template-columns:1fr 430px;gap:42px;align-items:center}.page-intro h1{font-size:clamp(34px,4vw,49px);margin:5px 0 13px}.page-intro p{max-width:650px;color:#586a80;font-size:16px}.page-intro img{width:100%;height:255px;object-fit:cover;border-radius:14px}.article-layout{display:grid;grid-template-columns:minmax(0,800px) 300px;gap:55px;align-items:start;justify-content:space-between;padding-top:38px;padding-bottom:75px}.article-prose{font-size:16px;line-height:1.8}.article-prose h2{font-size:24px;margin:30px 0 10px}.article-prose p,.article-prose li{color:#40516a}.article-prose ul{padding-left:22px}.note-panel{border-left:4px solid var(--blue);background:#f3f8fc;padding:16px 19px;font-size:14px;color:#52647a;border-radius:0 8px 8px 0;margin:24px 0}.related-box{padding:22px;background:#f7f9fc;border-radius:12px}.related-box h3{font-size:19px}.related-box a{display:block;font-size:13px;padding:10px 0;border-bottom:1px solid #e2e9f1}.related-box a:hover{color:var(--blue)}.category-quicklinks{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 4px}.category-quicklinks a{padding:9px 12px;background:#e9f4fc;color:#166298;font-size:12px;border-radius:7px;font-weight:720}.return-link{color:#087acb;font-size:13px;font-weight:800;display:inline-flex;align-items:center;gap:7px;margin-top:12px}.return-link .icon{width:16px;height:16px}
@media (min-width:1450px){.hero{min-height:470px}.category-card img{height:161px}.article-image img{height:203px}}@media(max-width:1210px){.container{width:min(var(--width),calc(100% - 48px))}.header-main{grid-template-columns:235px minmax(180px,1fr) 226px;gap:19px;min-height:82px}.brand-line{font-size:34px;letter-spacing:-2px}.nav-inner{gap:11px}.nav-link{font-size:11px;gap:5px}.nav-link .icon{width:16px;height:16px}.category-grid{gap:10px}.category-card img{height:115px}.category-bottom{padding:9px 10px;min-height:70px}.category-bottom strong{font-size:12px}.article-image img{height:160px}.tool-card{padding:16px 11px;gap:8px}.tool-icon{width:37px}.tool-icon .icon{width:34px;height:34px}.tool-text h3{font-size:13px}.solution-card img{height:111px}.guide-card img{height:140px}}@media(max-width:980px){.header-main{grid-template-columns:225px minmax(150px,1fr) 186px}.header-actions{gap:3px}.header-action{font-size:11px}.primary-nav{display:none}.hero{min-height:390px}.hero-copy{width:72%;transform:none}.category-grid,.solution-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-card img{height:172px}.category-bottom{min-height:60px}.category-bottom br{display:none}.category-bottom strong{font-size:14px}.article-grid,.tools-grid,.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-image img{height:188px}.article-body{min-height:165px}.tool-card{min-height:147px}.solution-card img{height:158px}.page-intro-grid{grid-template-columns:1fr 330px}.article-layout{grid-template-columns:1fr 250px;gap:26px}}@media(max-width:690px){.container{width:calc(100% - 34px)}.header-main{min-height:auto;grid-template-columns:minmax(0,1fr) auto;gap:0 10px;padding-top:13px;padding-bottom:13px}.brand-line{font-size:31px;letter-spacing:-1.8px}.brand-small{letter-spacing:1.45px;font-size:7px}.header-actions{gap:2px}.header-action{padding:4px 6px}.header-action span{font-size:9px}.header-action svg{width:22px;height:22px}.search-form{grid-column:1/-1;grid-row:2;margin-top:13px;height:42px}.search-form input{font-size:12px}.mobile-menu:not([hidden]){display:grid;position:static;right:auto;top:auto;border-radius:0;padding:9px 17px 15px;background:#fff;border-top:1px solid var(--line);box-shadow:0 20px 30px rgba(20,42,66,.12);grid-template-columns:1fr 1fr;gap:4px 13px}.mobile-menu a{font-weight:700;padding:11px 8px;border-radius:6px;font-size:13px}.mobile-menu a:hover{background:#f3f7fb}.hero{min-height:420px;background-position:53% 50%;align-items:flex-end}.hero-shade{background:linear-gradient(0deg,rgba(5,17,30,.91) 0%,rgba(7,20,34,.76) 43%,rgba(8,20,31,.06) 100%)}.hero-inner{justify-content:flex-start;padding:125px 0 30px}.hero-copy{width:100%}.eyebrow{font-size:9px;letter-spacing:1.5px;margin-bottom:9px}.hero h1{font-size:clamp(29px,7.6vw,43px);line-height:1.14}.hero-copy>p{font-size:14px;line-height:1.55;max-width:410px;margin-bottom:20px}.hero-buttons{gap:9px}.btn{font-size:12px;padding:11px 12px;gap:8px}.category-section{margin-top:23px}.content-section{margin-top:36px}.section-heading{margin-bottom:16px}.section-heading h2{font-size:23px}.section-heading.compact h2{font-size:22px}.section-kicker{font-size:9px}.section-link{font-size:11px}.category-grid,.solution-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category-card img{height:140px}.category-bottom{min-height:59px}.category-bottom strong{font-size:13px}.category-bottom br{display:block}.article-grid,.guide-grid{gap:14px}.article-image img{height:155px}.article-title{font-size:15px}.article-body{padding:15px 11px 10px;min-height:194px}.article-body p{font-size:12px}.tool-card{padding:16px 13px}.solution-card img{height:127px}.guide-card img{height:130px}.bottom-banner-inner{align-items:flex-start;flex-direction:column}.bottom-banner h2{font-size:23px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-top:35px}.footer-about{grid-column:1/-1}.footer-bottom{gap:10px;flex-wrap:wrap}.page-intro-grid{grid-template-columns:1fr;gap:18px}.page-intro img{height:230px;grid-row:1}.page-intro{padding:19px 0 30px}.breadcrumbs{margin-bottom:15px}.page-intro h1{font-size:34px}.article-layout{grid-template-columns:1fr;gap:17px;padding-top:22px}.article-prose{font-size:15px}.article-prose h2{font-size:22px}.related-box{order:2}}
@media(max-width:420px){.brand-line{font-size:28px}.brand-small{font-size:6px;letter-spacing:1.45px}.header-action{padding-inline:4px}.header-action svg{width:21px;height:21px}.hero{min-height:445px}.btn{font-size:11px}.category-card img{height:116px}.category-bottom strong{font-size:12px}.article-grid,.tools-grid,.guide-grid{grid-template-columns:1fr}.article-image img{height:205px}.article-body{min-height:155px}.tool-card{min-height:133px}.guide-card img{height:180px}.solution-card img{height:105px}.section-heading h2{font-size:21px}.section-link{max-width:140px;text-align:right}.calc-form .two-cols{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}