/* Shared editorial design for every SWE page. Atlas palette and publisher identity. */
:root{--paper:#f6f6f2;--ink:#192820;--muted:#59665e;--line:#ced3cc;--green:#214b38;--lime:#d9ebaf;--soft:#e9ede5;--blue:#214b38;--serif:Georgia,'Times New Roman',serif;--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body.swe-site{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}body [hidden]{display:none!important}a{color:inherit;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a,button,input,select,textarea,summary{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex="0"]:focus-visible{outline:3px solid #326caa}button,input,select,textarea{font:inherit}button,summary{cursor:pointer}img{max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.13;overflow-wrap:break-word}h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.025em}p{margin-bottom:18px}p,li,dd,a{overflow-wrap:break-word}button{color:var(--ink)}.shell{width:min(1224px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;top:-100px;left:20px;z-index:1000;background:var(--lime);padding:12px 20px;color:var(--ink)}.skip:focus{top:12px}.eyebrow,.label,.kicker,.section-kicker{font:700 .75rem/1.5 var(--sans);text-transform:uppercase;letter-spacing:.12em;color:var(--green);margin:0 0 14px}.button,.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:11px 22px;border:1px solid var(--green);border-radius:0;background:var(--green);color:white;font:700 .875rem/1.5 var(--sans);text-decoration:none;box-shadow:none;cursor:pointer}.button:hover,.btn:hover{background:#163b29}.text-link{font-size:.875rem;font-weight:700;text-decoration:underline}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px 25px;margin-top:26px}.lead{font-size:1.075rem;line-height:1.7;color:var(--muted);max-width:650px}
/* Clearly labelled book and course advertisements, separate from the journal. */
.ad-band{padding:12px 24px 22px;background:#eeefec;border-bottom:1px solid #daddd7}.ad-inner{max-width:1060px;margin:auto}.ad-label{font-size:.625rem;line-height:1.5;color:#59665e;text-align:right;letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px}.ad-banner{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:108px;padding:22px 28px;background:var(--ad-bg,#432365);color:var(--ad-fg,#fff);text-decoration:none;border:1px solid var(--ad-accent,#e3b8ff)}.ad-banner:after{content:'';position:absolute;left:130px;top:-115px;width:280px;height:280px;border:1px solid #ffffff30;border-radius:50%;box-shadow:0 0 0 27px #ffffff08,0 0 0 55px #ffffff06;pointer-events:none}.ad-brand{font-size:.8125rem;font-weight:700;letter-spacing:.05em;max-width:175px;border-right:2px solid var(--ad-accent,#e3b8ff);padding-right:24px;flex-shrink:0}.ad-copy{flex:1;z-index:1}.ad-copy .eyebrow{display:block;font-size:.625rem;color:inherit;margin-bottom:4px}.ad-title{display:block;font:400 25px/1.2 var(--serif);letter-spacing:-.01em}.ad-description{display:block;font-size:.875rem;line-height:1.5;margin-top:5px}.ad-cta{flex-shrink:0;border:1px solid currentColor;padding:11px 15px;font-size:.8125rem;font-weight:700;z-index:1}.ad-banner:hover .ad-cta{background:white;color:var(--ad-bg,#432365)}.ad-band.bottom{border-block:1px solid var(--line);padding-top:22px}.ad-band.bottom .ad-banner{background:var(--ad-accent,#e3b8ff);color:var(--ad-bg,#432365)}.bottom .ad-brand{border-color:var(--ad-bg,#432365)}.ad-inquiry{font-size:.75rem;text-align:right;margin:10px 0 0;color:var(--muted)}
.ad-violet{--ad-bg:#432365;--ad-fg:#fff;--ad-accent:#e3b8ff}.ad-ocean{--ad-bg:#073e62;--ad-fg:#fff;--ad-accent:#75e4ec}.ad-terracotta{--ad-bg:#823522;--ad-fg:#fff;--ad-accent:#ffc593}.ad-forest{--ad-bg:#155045;--ad-fg:#fff;--ad-accent:#b9ebba}.ad-magenta{--ad-bg:#711c4c;--ad-fg:#fff;--ad-accent:#ffbfe2}.ad-midnight{--ad-bg:#182549;--ad-fg:#fff;--ad-accent:#b9c8ff}.ad-ochre{--ad-bg:#66470c;--ad-fg:#fff;--ad-accent:#ffe390}
/* Publisher masthead and account controls. */
.publisher-row{display:flex;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.ticker-logo{display:inline-flex;flex-shrink:0}.ticker-logo img{display:block;width:148px;height:auto}.publisher-caption{font-size:.6875rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--muted)}.atlas-link{margin-left:auto;font-size:.75rem;text-decoration:none}.swe-masthead{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:24px 0 28px}.swe-wordmark{font:400 clamp(50px,6vw,80px)/1 var(--serif);letter-spacing:-.055em;text-decoration:none;white-space:nowrap}.swe-wordmark span{font-style:italic}.swe-wordmark .wordmark-dot{font-style:normal;color:var(--green)}.swe-masthead p{margin:0;font:italic 21px/1.5 var(--serif);color:var(--green)}.swe-masthead p span{font:400 .8125rem/1.5 var(--sans);color:var(--muted)}.swe-nav{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);flex-wrap:wrap}.swe-nav-links{display:flex;flex-wrap:wrap;gap:0 27px}.swe-nav a{font-size:.8125rem;text-decoration:none}.swe-nav-links a{display:block;padding:15px 0 12px;border-bottom:3px solid transparent}.swe-nav-links a[aria-current]{border-color:var(--green);font-weight:700}.swe-nav a:hover{color:var(--green);text-decoration:underline}.account-controls{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:10px 17px;padding:8px 0;font-size:.8125rem}.account-controls #auth-user{max-width:200px;overflow-wrap:anywhere;color:var(--muted)}.account-controls>button{font:700 .8125rem/1.5 var(--sans);padding:7px 16px;min-height:36px;border:1px solid var(--green);background:var(--green);color:white}.account-controls #logout-button{background:transparent;color:var(--green)}.auth-error{padding:15px;margin:14px 0;border:1px solid #b9b6a3;background:#fff8e9;color:#51432a;font-size:.875rem}
/* A compact opening and a directly accessible lesson collection. */
.page-home main{margin:0;padding:0;max-width:none;width:100%}.home-lead{display:grid;grid-template-columns:1.45fr 1fr;gap:65px;padding-block:48px 44px;border-bottom:1px solid var(--line)}.home-lead h1{font-size:clamp(38px,4.6vw,63px);line-height:1.06;margin-bottom:22px;letter-spacing:-.04em}.home-lead h1 em{color:var(--green);font-weight:400}.home-lead .lead{font-size:1rem;max-width:640px}.latest-lesson{min-width:0;padding:23px 28px;background:var(--soft);border-top:3px solid var(--green)}.latest-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.latest-heading .eyebrow{margin:0}.latest-number{font:italic 36px/1 var(--serif);color:var(--green)}.latest-lesson h2{font-size:30px;margin-bottom:14px}.latest-lesson h2 a{text-decoration:none}.latest-lesson h2 a:hover{text-decoration:underline}.latest-lesson p{font-size:.875rem;line-height:1.65;color:var(--muted);margin-bottom:15px}.next-milestone{border-top:1px solid #bdc9b7;padding-top:12px;margin-top:19px;font-size:.8125rem}.next-milestone span{display:block;font-size:.6875rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:3px}.lessons{padding-block:36px 48px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:27px}.section-heading h2{font-size:32px;margin:0}.section-heading .eyebrow{margin-bottom:7px}.section-heading>p{flex-shrink:0;font-size:.8125rem;line-height:1.6;text-align:right;color:var(--muted);margin:0}.lesson-stack{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 32px}.lesson-card{display:flex;flex-direction:column;min-width:0;border-top:1px solid var(--line);padding:23px 0 25px}.lesson-topline{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px;font-size:.6875rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:18px}.lesson-topline span:first-child{font-weight:700;color:var(--green)}.lesson-card h3{font-size:27px;line-height:1.15;margin-bottom:13px}.lesson-card h3 a{text-decoration:none}.lesson-card h3 a:hover{text-decoration:underline}.lesson-description{font-size:.9375rem;line-height:1.65;color:var(--muted);margin-bottom:22px}.lesson-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:auto}.pdf-link{font-size:.8125rem;color:var(--muted);text-decoration:none;padding:7px 9px;border:1px solid var(--line)}.pdf-link:hover{color:var(--green);border-color:var(--green)}
.journey{padding-block:38px 45px;border-top:1px solid var(--ink)}.journey-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:65px;align-items:center}.journey h2{font-size:39px;margin-bottom:20px}.journey-text p{color:var(--muted);font-size:1rem}.journey-card{border-left:1px solid var(--line);padding:15px 0 15px 45px}.journey-number{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--green)}.journey-card h3{font-size:36px;max-width:400px;margin:20px 0}.disclaimer{font-size:.875rem;line-height:1.65;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.roadmap{padding-block:32px 45px;border-top:1px solid var(--ink)}.roadmap-heading{max-width:790px;margin-bottom:30px}.roadmap h2{font-size:36px;margin-bottom:15px}.roadmap-heading>p:last-child{color:var(--muted)}.roadmap-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 32px}.roadmap-step{border-top:1px solid var(--line);padding:20px 0;min-width:0}.roadmap-marker{display:block;color:var(--green);font:italic 23px var(--serif);margin-bottom:8px}.roadmap-step h3{font-size:24px;margin-bottom:12px}.roadmap-step p{font-size:.875rem;color:var(--muted);margin:0}.roadmap-finish{font-size:.75rem;letter-spacing:.1em;margin:20px 0 0;color:var(--green)}.journal-cta{display:flex;align-items:center;justify-content:space-between;gap:35px;border-block:1px solid var(--line);padding-block:35px;margin-bottom:10px}.journal-cta h2{font-size:34px;margin-bottom:10px}.journal-cta p:last-child{color:var(--muted);margin:0}.journal-cta>.button{flex-shrink:0}
/* Lesson and company pages retain their content, with one reading layout. */
.page-lesson>main{width:min(1120px,calc(100% - 80px));margin:0 auto;padding:34px 0 55px}.hero{padding-block:27px 33px;border-bottom:1px solid var(--line);color:var(--ink);background:transparent}.hero-inner{max-width:100%}.hero h1{font-size:clamp(34px,4.5vw,58px);line-height:1.07;max-width:950px;margin:15px 0 20px}.hero p:not(.label):not(.kicker):not(.download-note){font-size:1.075rem;line-height:1.65;color:var(--muted);max-width:850px}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:.75rem;color:var(--muted);margin-bottom:25px}.breadcrumb a{text-decoration:none}.hero .button.signup{color:var(--green);background:transparent}.download-note{font-size:.8125rem;color:var(--muted);margin:15px 0 0}.page-lesson .layout{display:grid;grid-template-columns:minmax(0,1fr) 256px;gap:54px;align-items:start}.article,.content,.prose{min-width:0}.article h2,.content h2,.prose h2{font-size:31px;line-height:1.18;margin:44px 0 16px;scroll-margin-top:24px}.article h2:first-child,.prose h2:first-child{margin-top:0}.article h3,.content h3,.prose h3{font-size:24px;line-height:1.2;margin:30px 0 12px}.article p,.article li,.content p,.content li,.prose p,.prose li{font-size:1rem;line-height:1.8;color:#3c4a41}.article strong,.content strong,.prose strong{color:var(--ink)}.article ul,.article ol,.content ul,.content ol,.prose ul,.prose ol{padding-left:24px}.article li,.content li,.prose li{margin:5px 0}.note,.callout,.statement{margin:26px 0;padding:21px 25px;background:var(--soft);border-left:3px solid var(--green)}.note p:last-child,.callout p:last-child,.statement p:last-child{margin-bottom:0}.code,pre{white-space:pre-wrap;overflow:auto;overflow-wrap:anywhere;margin:22px 0;padding:20px;background:#192820;color:#eef4e9;border-radius:0;font:.875rem/1.75 ui-monospace,SFMono-Regular,Consolas,monospace}pre code{font:inherit}code{overflow-wrap:anywhere}.page-lesson .sidebar,.toc{position:sticky;top:24px;padding:0 0 0 24px;border-left:1px solid var(--line);max-height:calc(100vh - 48px);overflow:auto;background:transparent}.lesson-contents summary,.toc>strong{display:block;font:700 .75rem/1.5 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--green);padding:3px 0 16px}.lesson-contents summary::after{content:' −';float:right}.lesson-contents:not([open]) summary::after{content:' +'} .lesson-contents a,.toc a{display:block;padding:10px 0;border-top:1px solid var(--line);font-size:.8125rem;line-height:1.5;color:var(--muted);text-decoration:none}.lesson-contents a:hover,.toc a:hover{color:var(--green);text-decoration:underline}.lesson-contents>span{font-size:.8125rem;color:var(--muted)}.closing{margin-top:44px;padding:30px 34px;background:var(--soft);border-top:2px solid var(--green)}.closing h2{font-size:31px;margin-bottom:14px}.closing p{font-size:1rem;max-width:800px;color:var(--muted)}.lesson-pagination{display:flex;align-items:stretch;justify-content:space-between;gap:22px;padding-top:30px;margin-top:32px;border-top:1px solid var(--line)}.lesson-pagination a{font:400 24px/1.4 var(--serif);text-decoration:none}.lesson-pagination span{display:block;font:400 .75rem/1.5 var(--sans);color:var(--muted);margin-bottom:7px}.lesson-pagination a:last-child{text-align:right}.table-scroll{max-width:100%;overflow:auto;margin:24px 0}.table-scroll table,table{border-collapse:collapse;width:100%;font-size:.875rem;text-align:left}.table-scroll th,th{font:700 .75rem/1.5 var(--sans);letter-spacing:.04em;text-transform:uppercase;background:var(--soft);color:var(--ink)}.table-scroll td,.table-scroll th,td,th{padding:13px 15px;border:1px solid var(--line);vertical-align:top;min-width:125px}.article table p{font-size:.875rem;margin-bottom:0}.architecture-grid,.plan-grid,.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:25px 0}.architecture-card,.plan-card,.compare>div{padding:22px;border:1px solid var(--line)}.architecture-card h3,.plan-card h3{margin-top:0}.flow,.journey-flow{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.flow>div,.journey-flow>div{flex:1 1 150px;padding:14px;border:1px solid var(--line);background:var(--soft);font-size:.875rem}.page-information>main{width:min(1120px,calc(100% - 80px));margin:auto;padding:28px 0 50px}.page-information .hero{padding-top:8px}.content{max-width:860px;padding:20px 0}.statement{margin-top:10px}.statement p{font:400 24px/1.5 var(--serif);color:var(--ink)}.related{padding-top:25px;margin-top:24px;border-top:1px solid var(--line)}.related-inner>p{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.related nav{display:flex;gap:13px 24px;flex-wrap:wrap;font-size:.875rem}.page-hero h1{font-size:clamp(34px,4.5vw,56px);max-width:850px}.content-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:45px;margin-top:35px}.content-layout .toc{padding:0 22px 0 0;border-left:0;border-right:1px solid var(--line)}.updated{font-size:.8125rem;color:var(--muted)}
/* Workspaces use the same palette without changing role or data behavior. */
.page-workspace>.layout{width:min(1224px,calc(100% - 80px));grid-template-columns:235px minmax(0,1fr);gap:36px;margin:30px auto 40px}.page-workspace .demo-banner{width:min(1224px,calc(100% - 80px));margin:20px auto 0;background:var(--soft);color:var(--green);border-left:3px solid var(--green);padding:12px 18px}.page-workspace .sidebar{padding:0 22px 20px 0;border-right:1px solid var(--line);background:transparent}.page-workspace .sidebar nav{display:grid;gap:4px}.page-workspace .sidebar h2{font:700 .75rem/1.5 var(--sans);color:var(--muted);letter-spacing:.09em;margin:25px 10px 9px}.page-workspace .sidebar a{font-size:.875rem;border-radius:0;padding:10px 12px;color:var(--muted);white-space:normal}.page-workspace .sidebar a[aria-current]{background:var(--soft);border-left:3px solid var(--green);color:var(--green)}.page-workspace .sidebar a:hover{background:var(--soft)}.page-workspace .preview-nav{display:block;font-size:.75rem;color:var(--muted);padding-inline:10px}.page-workspace main.workspace{padding:0;min-width:0}.page-workspace .hero-panel{padding:0 0 28px;margin:0 0 25px;border-radius:0;background:none;color:var(--ink);border-bottom:1px solid var(--line)}.page-workspace .hero-panel h1{font:400 clamp(32px,3.8vw,46px)/1.1 var(--serif);letter-spacing:-.035em}.page-workspace .hero-panel p{color:var(--muted)}.page-workspace .eyebrow{color:var(--green)}.page-workspace .page-number{color:var(--muted);font-size:.75rem}.page-workspace .card,.page-workspace .metrics article{border:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}.page-workspace .card h2{font-size:26px}.page-workspace .mini{background:var(--soft);border-radius:0}.page-workspace .pill{background:var(--soft);color:var(--green);border-radius:2px}.page-workspace .metrics strong{font-family:var(--serif);font-weight:400}.page-workspace input,.page-workspace select,.page-workspace textarea{border-color:var(--line);border-radius:0}.page-workspace .table-scroll{margin:15px 0}.page-workspace .metrics span,.page-workspace .metrics small,.page-workspace .card p{color:var(--muted)}.page-workspace .workspace-auth{display:none}
/* Shared company footer; the page background remains continuous. */
.swe-contact{display:grid;grid-template-columns:1fr 1fr;gap:55px;border-top:1px solid var(--line);padding-block:35px 40px}.swe-contact h2{font-size:32px;margin-bottom:12px}.swe-contact p{font-size:.9375rem;color:var(--muted);margin-bottom:12px}.swe-contact .eyebrow{font-size:.75rem;color:var(--green)}.contact-details>a:first-child{font:400 27px var(--serif);text-decoration:none}.contact-details>p{margin-top:12px;font-size:.875rem}.swe-footer{background:var(--paper);color:var(--ink);padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px}.footer-intro .ticker-logo{margin-bottom:20px}.footer-intro h2{font-size:27px;margin-bottom:12px}.footer-intro p{font-size:.875rem;line-height:1.7;color:var(--muted);max-width:340px}.footer-grid nav h2{font:700 .75rem/1.5 var(--sans);letter-spacing:.1em;text-transform:uppercase;margin:8px 0 19px;color:var(--muted)}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{margin-bottom:10px;line-height:1.5}.footer-grid nav a{font-size:.875rem;text-decoration:none;color:var(--muted)}.footer-grid nav a:hover{color:var(--green);text-decoration:underline}.footer-base{display:flex;justify-content:space-between;align-items:center;gap:18px;border-top:1px solid var(--line);padding-top:20px;font-size:.75rem;color:var(--muted)}.footer-base p{margin:0}.footer-base nav{display:flex;flex-wrap:wrap;gap:12px 20px}.signup-notice{padding:20px;background:var(--soft);border:1px solid var(--line);margin:20px auto;font-size:.875rem}.signup-notice p{margin:0}.signup-notice a{font-weight:700}
@media(min-width:1500px){.home-lead{gap:80px}}
@media(max-width:1050px){.shell{width:calc(100% - 48px)}.home-lead{gap:32px;grid-template-columns:1.2fr 1fr}.home-lead h1{font-size:49px}.latest-lesson{padding:22px}.swe-nav{gap:0}.swe-nav-links{gap:0 22px}.swe-masthead p{font-size:18px}.lesson-stack{gap:0 24px}.lesson-card h3{font-size:25px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}.footer-grid>nav:last-child{grid-column:2/4}.page-lesson>main,.page-information>main{width:calc(100% - 48px)}.page-lesson .layout{gap:30px;grid-template-columns:minmax(0,1fr) 220px}.page-workspace>.layout{width:calc(100% - 48px);grid-template-columns:200px minmax(0,1fr);gap:25px}.page-workspace .demo-banner{width:calc(100% - 48px)}.page-workspace .metrics{grid-template-columns:1fr}.ad-brand{display:none}.ad-banner{padding:20px 24px}.journey-inner{gap:35px}}
@media(max-width:760px){.home-lead{grid-template-columns:1fr;gap:28px;padding-block:32px}.home-lead h1{font-size:clamp(38px,6.5vw,51px)}.latest-lesson h2 br{display:none}.latest-lesson{padding:20px 23px}.swe-masthead p{display:none}.swe-wordmark{font-size:60px}.swe-masthead{padding:23px 0}.account-controls{width:100%;justify-content:flex-start;border-top:1px solid var(--line);padding:10px 0}.swe-nav-links{gap:0 24px;width:100%}.swe-nav-links a{padding-top:12px}.lesson-stack{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{align-items:flex-start;display:block}.section-heading h2{font-size:29px}.section-heading>p{text-align:left;margin-top:12px}.section-heading>p br{display:none}.journey-inner{grid-template-columns:1fr;gap:25px}.journey-card{border-left:0;border-top:1px solid var(--line);padding:25px 0 0}.journey-card h3{max-width:none;font-size:30px}.journey h2{font-size:33px}.roadmap-track{grid-template-columns:repeat(2,minmax(0,1fr))}.journal-cta{display:block}.journal-cta .button{margin-top:22px}.page-lesson .layout{grid-template-columns:1fr;gap:25px}.page-lesson .sidebar{position:static;max-height:none;order:-1;border:1px solid var(--line);padding:12px 18px}.lesson-contents summary{padding:4px 0}.lesson-contents[open] summary{padding-bottom:15px}.hero h1{font-size:clamp(33px,5.5vw,45px)}.hero p:not(.label):not(.kicker):not(.download-note){font-size:1rem}.content-layout{grid-template-columns:1fr;gap:25px}.content-layout .toc{position:static;max-height:none;border:1px solid var(--line);padding:18px}.content-layout .toc a{display:inline-block;margin-right:16px;border:0}.swe-contact{grid-template-columns:1fr;gap:15px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}.footer-intro{grid-column:1/-1}.footer-grid>nav:last-child{grid-column:auto}.footer-base{display:block}.footer-base nav{margin-top:16px}.page-workspace>.layout{display:block}.page-workspace .sidebar{border-right:0;border-bottom:1px solid var(--line);margin-bottom:25px;padding:0 0 20px}.page-workspace .sidebar nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}.page-workspace .sidebar h2{grid-column:1/-1;margin-top:15px}.ad-banner{gap:16px}.ad-cta{padding:9px 12px}.ad-title{font-size:23px}}
@media(max-width:520px){.shell,.page-lesson>main,.page-information>main,.page-workspace>.layout,.page-workspace .demo-banner{width:calc(100% - 36px)}.publisher-row{gap:9px}.ticker-logo img{width:130px}.publisher-caption{font-size:.6rem;max-width:105px;line-height:1.5}.atlas-link{font-size:.6875rem;white-space:nowrap}.swe-wordmark{font-size:51px}.swe-nav-links{justify-content:space-between;gap:0 12px}.swe-nav-links a{font-size:.75rem}.account-controls{font-size:.75rem;gap:8px 14px}.account-controls a{font-size:.75rem}.account-controls #auth-user{max-width:150px}.ad-band{padding:9px 18px 16px}.ad-banner{padding:15px 17px;display:block;min-height:0}.ad-label{font-size:.6rem;margin-bottom:5px}.ad-title{font-size:23px}.ad-description{font-size:.8125rem}.ad-cta{display:inline-block;padding:6px 10px;margin-top:12px;font-size:.75rem}.home-lead h1{font-size:39px}.home-lead .lead{font-size:1rem}.home-lead .hero-actions{gap:16px}.latest-lesson h2{font-size:29px}.lesson-stack{grid-template-columns:1fr}.lesson-card{padding:22px 0}.lesson-card h3{font-size:29px}.lesson-topline{font-size:.6875rem}.lesson-description{font-size:1rem}.lesson-actions{margin-top:0}.roadmap-track{grid-template-columns:1fr}.roadmap-step{display:grid;grid-template-columns:35px minmax(0,1fr);gap:8px 14px}.roadmap-marker{grid-row:1/3}.roadmap-step h3{margin:0}.roadmap-step p{grid-column:2}.roadmap h2{font-size:31px}.architecture-grid,.plan-grid,.compare{grid-template-columns:1fr}.hero .button{width:100%}.hero-actions{gap:12px}.article h2,.prose h2,.content h2{font-size:29px}.closing{padding:23px}.lesson-pagination{gap:12px}.lesson-pagination a{font-size:21px}.lesson-pagination span{font-size:.6875rem}.footer-grid{column-gap:18px}.footer-grid nav a{font-size:.8125rem}.swe-contact h2{font-size:29px}.contact-details>a:first-child{font-size:24px}.page-workspace .sidebar nav{grid-template-columns:1fr}.page-workspace .two,.page-workspace .tiles{grid-template-columns:1fr}.page-workspace .card{padding:20px}.page-workspace .page-number{float:none;display:block}.page-workspace .bars>div{grid-template-columns:80px minmax(0,1fr) 35px;gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{.ad-band,.swe-header,.swe-footer,.swe-contact,.sidebar,.hero-actions,.lesson-pagination{display:none!important}body.swe-site{background:white;color:black}.page-lesson>main,.page-information>main,.shell{width:100%;padding:0}.page-lesson .layout{display:block}.hero{border:0;padding:0}.hero h1{font-size:30pt}.article h2{break-after:avoid}.article p,.article li{font-size:11pt}.table-scroll{overflow:visible}pre{white-space:pre-wrap}.closing{break-inside:avoid}a{color:inherit}}

.lesson-neighbours{margin-top:14px;border-top:1px solid var(--line);padding-top:4px}.lesson-neighbours a{display:block;padding:9px 0;font-size:.8125rem;line-height:1.5;color:var(--green);text-decoration:none}.lesson-neighbours a:hover{text-decoration:underline}