/* Phase 3B.1 visual layer. Screen-only so the verified print rules stay authoritative. */
/* Approved raster brand artwork: retain each source aspect ratio. */
@media screen {
 .site-header .brand-text picture{display:block;line-height:0}
 .site-header .brand-logo{display:block;width:230px;height:auto;max-width:100%;object-fit:contain}
 .site-header .brand-text small{margin-top:4px}
}
@media screen and (max-width:640px){
 .site-header .brand-logo{width:190px}
 .site-header .brand-text small{margin-top:4px}
}
@media screen and (max-width:360px){.site-header .brand-logo{width:174px}}
@media screen {
:root{--ink:#17364d;--navy:#123b56;--blue:#1767be;--pale:#eef6fc;--border:#d9e5ee;--muted:#516b7f;--radius:14px;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);line-height:1.65;background:white;font-size:16px}
body{overflow-wrap:break-word}h1,h2,h3,h4{color:var(--navy);letter-spacing:-.035em}h1{font-weight:750}h2{font-size:32px;font-weight:730}h3{font-size:21px}h4{font-size:19px}p{margin:0 0 20px}a{color:#155fae;text-decoration-thickness:1px}a:hover{color:#0c417c}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{touch-action:manipulation}:focus-visible{outline:3px solid #ad6400;outline-offset:4px;box-shadow:0 0 0 3px white}button:disabled{opacity:.55;cursor:not-allowed}.wrap{width:min(1248px,calc(100% - 80px));margin-inline:auto}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:750;color:#346685;display:block;margin-bottom:12px}.muted{color:var(--muted)}.small-note{font-size:12px!important;color:var(--muted);margin-top:14px!important}.button,button{padding:12px 18px;min-height:44px;border-radius:8px;font-size:14px;line-height:1.4;font-weight:650;box-shadow:none;transition:background .15s,border-color .15s}.button,button{border-color:var(--blue);background:var(--blue)}.button:hover,button:hover{background:#12549c;color:white}.button.secondary,button.secondary{background:white;color:#155897;border-color:#becfdf}.secondary:hover{background:#edf5fc!important;color:#134d85!important;border-color:#86a9c8!important}.text-button{background:transparent;color:#155897;border-color:transparent;text-align:left;padding-inline:0}.text-button:hover{background:transparent;color:#0c417c;text-decoration:underline}.skip{z-index:100;border:2px solid var(--blue);border-radius:8px}.skip:focus{top:10px}
.site-header{background:white;border-bottom:1px solid var(--border)}.header-inner{min-height:100px;gap:26px;position:relative}.brand{font-size:20px;letter-spacing:1.5px;font-weight:800;gap:10px;flex-shrink:0;line-height:1.1}.brand-mark{width:36px;height:42px;border-radius:4px 10px 4px 4px;font-size:24px;transform:rotate(-5deg);box-shadow:3px 3px 0 #dceaf7}.brand-text small{display:block;margin-top:8px;font-size:10px;font-weight:500;letter-spacing:.25px;color:#526d81}.site-nav{display:flex;gap:3px;align-items:center;flex-wrap:nowrap}.site-nav a{min-height:44px;padding:13px 10px;font-size:12px;color:#3f5c72;border-radius:6px;white-space:nowrap;font-weight:600}.site-nav a:hover{background:#f1f7fc;color:var(--blue)}.site-nav a[aria-current=page]{background:#edf5fc;color:#1256a1}.nav-toggle{display:none}
.hero{background:linear-gradient(105deg,#f5f9fd 0%,#edf5fb 80%);border-bottom:1px solid #e4edf4;overflow:hidden}.hero-inner{grid-template-columns:1.1fr 1fr;min-height:574px;padding-block:72px;gap:38px}.hero h1{font-size:clamp(42px,4.4vw,64px);line-height:1.08;margin:18px 0 26px}.hero-copy>p{font-size:17px;line-height:1.8;max-width:510px;color:#49667c}.hero-buttons{gap:12px;align-items:stretch}.hero-buttons .button{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:14px 17px;font-size:13px}.hero-copy .hero-meta{font-size:12px;letter-spacing:.2px;margin:24px 0 0;color:#536e82}.hero-meta span{padding-inline:8px}.hero-art{height:400px;transform:none;width:100%;margin:0;isolation:isolate}.hero-art:before{content:"";position:absolute;inset:5% 0 0 2%;border-radius:50%;background:#deedf8;z-index:-1}.hero-art .sheet{width:232px;height:328px;border:1px solid #cfdae3;box-shadow:0 15px 35px #163c541a;border-radius:1px;overflow:hidden}.hero-art .sheet.sheet-back{left:8%;top:0;transform:rotate(-12deg)}.hero-art .sheet.sheet-front{left:41%;top:36px;transform:rotate(9deg)}.art-note{left:12%;bottom:0;display:flex;align-items:center;gap:12px;border-radius:10px;padding:13px 18px;font-size:13px;box-shadow:0 10px 24px #1b4c6812;white-space:nowrap}.art-note small{display:block;font-size:10px;color:#61788a;margin-top:3px}.art-note-icon{width:29px;height:29px;display:grid;place-items:center;background:#e6f2fd;color:#1b68b5;border-radius:50%;font-weight:700}
.section{padding-block:76px}.section.soft{background:#f3f8fc;border-block:1px solid #e6eef5}.section-heading{margin-bottom:30px;gap:25px}.section-heading h2{margin-bottom:12px}.section-heading p{font-size:15px;line-height:1.65;max-width:700px;color:var(--muted)}.section-heading>a{flex-shrink:0;font-size:13px;font-weight:650;min-height:44px;display:flex;align-items:center}.grid{gap:22px}.paper-type-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid #d9e4ec;border-radius:var(--radius);box-shadow:0 3px 9px #173d5504;transition:border-color .15s,box-shadow .15s,transform .15s}.card:hover{transform:translateY(-3px);border-color:#8fb3d3;box-shadow:0 10px 24px #173d5510}.card-art{height:164px;padding:20px 26px 0;background:#eff5fa;align-items:start;position:relative}.card-art svg{width:100%;height:auto;box-shadow:0 5px 12px #123f5a0b;display:block}.card-body{padding:22px}.card-body h3{font-size:19px;margin-bottom:11px}.card-body h4{margin:0 0 11px}.card-body p{font-size:13px;line-height:1.7;color:#526a7f;margin-bottom:18px}.card-link{font-size:12px;font-weight:700;color:#155fae}.paper-type-grid .card:last-child{background:#f8fbfd}.steps article{display:flex;gap:18px;border:0;border-radius:0;background:transparent;padding:6px 18px 0 0}.steps article+article{border-left:1px solid #d8e5ef;padding-left:24px}.steps h3{font-size:20px;margin-bottom:12px}.steps p{font-size:14px;color:#536e81;margin:0}.step-number{background:white;border:1px solid #cbdfea;width:40px;height:40px;flex-shrink:0;font-size:12px;border-radius:11px;margin:0;color:#235f92}.tag{font-size:10px;letter-spacing:.8px;font-weight:650;text-transform:uppercase;background:#edf5fc;color:#255d88;border-radius:5px;padding:5px 9px;margin-bottom:15px}.task-groups{gap:24px}.task-group{display:grid;grid-template-columns:.75fr 2fr;gap:28px;padding:26px;border-radius:var(--radius);background:#f7fafd;border:1px solid var(--border)}.task-intro{padding:12px 8px}.task-intro h3{font-size:25px;line-height:1.2}.task-intro p{font-size:14px;color:var(--muted);margin-top:18px}.task-group .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.preset-card .card-art{height:130px;padding-top:17px}.preset-card .card-body{padding:19px}.preset-card .card-body p{margin-bottom:14px}.feature-panel{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center;border:1px solid var(--border);border-radius:18px;background:#f3f8fc;padding:36px 64px;overflow:hidden}.feature-art{height:370px;overflow:hidden;padding:25px 35px 0;background:#e2eef7;border-radius:12px}.feature-art svg{display:block;width:100%;height:auto;box-shadow:0 12px 24px #20475c17}.feature-copy h3{font-size:31px;line-height:1.25;max-width:370px;margin-bottom:20px}.feature-copy p{font-size:15px;color:#516c81}.workflow-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.workflow-card{padding:30px;border:1px solid var(--border);border-radius:var(--radius);background:white}.workflow-card h3{font-size:27px;margin-bottom:16px}.workflow-card>p{color:#516c81;font-size:14px;max-width:440px}.pack-sample,.accuracy-sample{height:185px;background:#eff6fb;border-radius:10px;margin-bottom:28px;overflow:hidden;position:relative}.pack-sample{display:flex;gap:15px;justify-content:center;align-items:start;padding:25px 38px 0}.pack-sample>div{width:31%;box-shadow:0 6px 20px #214e6520;transform:rotate(-5deg)}.pack-sample>div:nth-child(2){transform:translateY(12px)}.pack-sample>div:nth-child(3){transform:rotate(5deg)}.pack-sample svg{display:block;width:100%;height:auto}.accuracy-sample{padding:33px 35px}.accuracy-sample>div:first-child{display:flex;justify-content:space-between;color:#456880;font-size:11px;width:62%;padding-bottom:8px}.sample-ruler{width:62%;height:12px;border:solid #436b8a;border-width:0 1px;position:relative}.sample-ruler:before{content:"";position:absolute;top:50%;width:100%;border-top:1px solid #436b8a}.sample-square{position:absolute;right:32px;bottom:36px;width:54px;height:54px;border:1px solid #85a8c5;background:repeating-linear-gradient(0deg,transparent 0 9px,#c8dceb 9px 10px),repeating-linear-gradient(90deg,transparent 0 9px,#c8dceb 9px 10px)}.accuracy-sample p{font-size:18px;color:#29506c;margin-top:25px;font-weight:600}.release-note{font-size:12px;color:#526b7e;border-top:1px solid var(--border);padding-block:25px 32px}.release-note p{max-width:900px;margin:0}.tutorial-cards .card-body{padding:28px}.tutorial-cards h3{font-size:22px;line-height:1.35}
.page-heading{padding:42px 0 30px}.page-heading h1{font-size:42px;line-height:1.15;max-width:900px;margin:14px 0 18px}.page-heading p{font-size:16px;line-height:1.8;max-width:790px;color:#536e82}.breadcrumb{font-size:12px;margin-bottom:20px}.breadcrumb a{text-decoration:none}.page-heading+.section{padding-top:16px}.prose{width:min(100%,780px);font-size:16px;line-height:1.85}.prose.wrap{width:min(780px,calc(100% - 80px))}.prose h2{font-size:26px;line-height:1.3;margin-top:40px}.prose h3{font-size:20px}.prose li{padding-left:5px;margin-bottom:17px}.prose ol{padding-left:25px}.prose dd{color:#536c7f}.reading-guide>ol{counter-reset:guide;list-style:none;padding:0;margin:26px 0 30px}.reading-guide>ol>li{position:relative;padding:20px 22px 20px 60px;border:1px solid var(--border);border-radius:12px;background:#f8fbfe;margin-bottom:14px}.reading-guide>ol>li:before{counter-increment:guide;content:counter(guide,decimal-leading-zero);position:absolute;left:20px;top:22px;color:#2370b6;font-size:13px;font-weight:700}.parameter-example{background:#f1f7fc;border-radius:12px;padding:5px 25px 25px;margin:30px 0;border:1px solid var(--border)}.parameter-example h2{font-size:20px;margin-top:22px}.parameter-example p,.parameter-example li{font-size:14px;margin-bottom:7px}.parameter-example ul{padding-left:20px}.parameter-example a{display:inline-block;margin-top:12px;font-size:14px}.example-layout{grid-template-columns:minmax(0,1fr) minmax(0,370px);gap:55px;align-items:start;padding-bottom:60px}.example-layout .prose{width:100%}.example-preview{background:#f0f6fb;padding:26px;border:1px solid var(--border);border-radius:14px;position:sticky;top:22px}.example-preview svg{display:block;box-shadow:0 5px 20px #183c5410}.example-preview p{font-size:12px;color:#536e82;margin:18px 0 0}.notice{background:#edf6fc;border:1px solid #dbeaf5;border-left:3px solid #377db5;border-radius:0 9px 9px 0;padding:17px 21px;font-size:13px;color:#3d607b;line-height:1.8}.notice strong{color:#183e5c}.link-list a{min-height:44px;display:flex;align-items:center}.prose details{padding:17px 0}summary{min-height:44px;display:list-item;padding:9px 0;cursor:pointer;font-size:14px;color:#244b69;font-weight:650}details p{font-size:14px;line-height:1.8}
.generator{grid-template-columns:350px minmax(0,1fr);gap:28px;align-items:start}.controls{border-radius:14px;border-color:var(--border);padding:24px;background:white;box-shadow:0 4px 16px #21496004}.control-heading{border-bottom:1px solid #e2ebf3;margin-bottom:20px;padding-bottom:18px}.control-heading .eyebrow{margin-bottom:9px}.controls h2{font-size:22px;margin:0}.controls fieldset{margin:0 0 22px;padding:0 0 20px;border-bottom:1px solid #e1eaf2}.controls legend{font-size:12px;letter-spacing:.3px;text-transform:none;font-weight:750;color:#315573;margin-bottom:14px}.controls label{font-size:12px;color:#36556d}.controls fieldset p{font-size:12px;line-height:1.8;margin-bottom:12px}label{font-size:13px;font-weight:600;color:#34536b;margin-bottom:16px}input,select,textarea{border:1px solid #b4c9db;border-radius:7px;padding:10px 11px;line-height:1.4;min-height:44px;color:#25445d;background:white;margin-top:7px;font-size:14px}input[type=color]{height:44px;padding:5px}input[type=checkbox]{width:18px;height:18px;min-height:18px;flex-shrink:0;accent-color:#1767be;cursor:pointer}input[type=file]{font-size:12px;padding:9px;max-width:100%}.field-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field-pair>*{min-width:0}.remember-label{display:flex;align-items:center;gap:10px;line-height:1.6;min-height:44px;font-weight:500}.remember-label input{margin:0}.settings-section{padding:0!important;border:1px solid #d7e4ef!important;border-radius:9px;margin:0 0 14px!important;min-width:0;background:#fbfdff}.settings-section>summary{padding:13px 14px;color:#284c69;font-size:13px}.settings-section>fieldset{border:0;margin:0;padding:10px 14px}.settings-section>p,.settings-section>label,.settings-section>button,.settings-section>.pack-toolbar{margin:8px 14px 14px!important}.settings-section>button{max-width:calc(100% - 28px)}.settings-section fieldset legend{display:none}.settings-section .import-label{max-width:calc(100% - 28px)}.actions{display:block}.tool-output{padding-top:6px;margin-bottom:18px}.tool-output h3{font-size:16px;margin-bottom:7px}.tool-output p{font-size:12px;color:#536e82;margin-bottom:14px}.tool-output button{display:block;width:100%;margin-bottom:9px}.restore-defaults{font-size:12px}.status{margin:0 0 18px;font-size:13px;color:#8b351e;line-height:1.7;background:#fff5ef;border-radius:7px;padding:12px 14px}.status:empty{display:none}.preview-panel{border-radius:14px;background:#edf3f8;border-color:#d9e5ef;padding:24px;position:sticky;top:20px}.preview-bar{align-items:start;margin-bottom:22px;font-size:12px;gap:16px}.preview-bar strong{font-size:14px;color:#254c6b}.paper-dimensions{max-width:65%;text-align:right}.paper-preview{max-width:490px;background:white;box-shadow:0 12px 28px #163c5a14}.preview-caption{font-size:12px;line-height:1.75;max-width:490px;margin:18px auto 0}.generator[data-preview-valid=false] .preview-panel{border:2px solid #aa5434}.generator[data-preview-valid=false] .paper-preview{opacity:.45}.generator[data-preview-valid=false] .preview-caption{color:#8c351f;font-weight:650}.controls [aria-invalid=true],.check-workspace [aria-invalid=true]{border:2px solid #a9472c;background:#fff9f5}.math-layout-controls{border:1px solid #d9e5ef!important;padding:14px!important;border-radius:9px;background:#f7fafd;scroll-margin-top:24px}.tool-info{margin-top:60px}.generator+ .notice{margin-top:26px}
.pack-workspace,.check-workspace{padding-bottom:50px}.pack-panel{border:1px solid var(--border);border-radius:14px;padding:24px;background:white;margin-bottom:22px}.pack-panel h2{font-size:23px;margin-bottom:18px}.pack-panel legend{font-size:15px;font-weight:700;color:#244d6c;letter-spacing:0;text-transform:none;padding:0 8px;margin-bottom:8px}.pack-panel p{font-size:13px;line-height:1.8;color:#536e82}.pack-grid{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);gap:26px}.pack-toolbar{gap:9px;align-items:center;flex-wrap:wrap}.pack-toolbar button{padding:10px 14px;min-height:44px;font-size:12px}.pack-toolbar .import-label{min-width:0}.pack-overview{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:22px 25px;background:#f0f7fc;border:1px solid #d3e5f2;border-radius:12px;margin:22px 0 26px}.pack-overview .eyebrow{margin-bottom:5px}.pack-overview p{margin:0;font-size:19px;font-weight:700;line-height:1.5}.pack-overview [data-pack-status]{max-width:55%;font-size:12px;font-weight:500;color:#385e7b}.pack-items{list-style:none;padding:0}.pack-items>li{padding:20px 0;border-top:1px solid var(--border)}.pack-items>li:first-child{border-top:0;padding-top:5px}.pack-items strong{font-size:16px;color:#244a69;margin-bottom:6px}.pack-items p{margin-bottom:12px;font-size:12px}.pack-items label{display:flex;align-items:center;gap:15px;margin:0 0 14px;font-size:12px}.pack-items input{width:80px;max-width:80px;margin:0}.pack-items .pack-toolbar{gap:7px;margin:0}.pack-items button{padding:8px 11px;font-size:11px;min-height:40px}.pack-preview-panel{position:sticky;top:20px;background:#edf4f9}.pack-detail{max-width:400px;box-shadow:0 10px 25px #153e5d14}.pack-thumbnails{gap:10px;padding:5px;max-height:265px}.pack-thumb{border-radius:5px;padding:7px;font-size:10px;min-width:0}.pack-thumb[aria-pressed=true]{outline:2px solid #256db2;outline-offset:1px}.pack-thumb>span:last-child{font-size:10px;line-height:1.5;margin-top:8px;color:#335672}.pack-backup-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.print-workflow{display:grid;grid-template-columns:1fr 1fr;gap:25px;border-top:1px solid var(--border);padding-top:25px;margin:12px 0 24px}.print-workflow>div{padding:20px;background:#f3f8fc;border-radius:10px}.print-workflow h3{font-size:19px;margin-bottom:12px}.print-workflow .eyebrow{font-size:10px}.print-workflow p{margin-bottom:16px}.pack-output [data-pack-dirty]{font-size:12px}.pack-workspace>.prose{padding-top:12px}.pack-workspace [role=status],dialog [role=status]{overflow-wrap:anywhere}dialog{width:min(760px,calc(100% - 32px));padding:28px;border:1px solid #bfcedb;border-radius:15px;max-height:88vh;overflow:auto;box-shadow:0 25px 90px #08294240}dialog::backdrop{background:#0b2c4690}dialog h2{font-size:25px}dialog label{font-size:12px}#pack-editor-form>[data-editor-fields]{gap:4px 20px}.editor-preview{max-width:230px;background:#eff6fb;padding:12px;border-radius:5px;border-color:#d6e4ef}.editor-preview svg{width:100%;height:auto;display:block}dialog .pack-toolbar{margin-top:20px}.check-workspace .notice{margin-top:0}.check-columns{gap:26px;align-items:start;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.check-columns>section{min-width:0}.check-setup{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr)}.check-preview-panel{background:#edf4f9}.check-preview{max-width:330px;box-shadow:0 8px 22px #153e5d14}.check-preview-panel p{font-size:12px}.check-print-step{background:#f5f9fc}.check-print-step h2{margin-bottom:16px}.check-print-step>p{max-width:860px}.check-measure{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.check-results{background:#f6fafd}.check-results [data-result-state]{font-size:17px;color:#234e70}.check-results [data-axis-results] p{border-left:3px solid #4583ba;background:white;padding:13px;font-size:14px}.check-results li{font-size:13px;line-height:1.8}.check-table-scroll{overflow:auto;max-width:100%;border:1px solid #dae5ee;border-radius:8px}.check-table{min-width:720px;font-size:12px;line-height:1.7}.check-table td,.check-table th{padding:13px 15px}.check-table td:last-child{min-width:180px}.check-field-error{font-size:12px;color:#8b351e;line-height:1.6;min-height:0}.check-field-error:empty{display:none}.check-workspace textarea{border-radius:7px;min-height:90px;line-height:1.6;border-color:#b4c9db}.check-workspace [data-check-status]{padding:12px 14px;background:#eef6fc;border-radius:8px}.check-workspace [data-check-status]:empty{display:none}.check-workspace [data-check-storage]{color:#8b351e!important}.check-workspace>.pack-panel>.pack-toolbar{align-items:start}
.site-footer{background:#f3f7fa;padding:50px 0 22px;border-top:1px solid #dae5ed;color:#526e82;font-size:13px}.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:45px}.footer-brand .brand{font-size:21px}.footer-brand p{margin-top:20px;font-size:13px;line-height:1.8}.footer-note{font-size:11px;color:#526e82}.footer-group{display:flex;flex-direction:column;align-items:start;gap:3px}.footer-group h2{font-size:12px;letter-spacing:0;margin:0 0 13px}.footer-group a{color:#416079;text-decoration:none;min-height:35px;padding-block:6px;font-size:12px}.footer-group a:hover{text-decoration:underline;color:#155fae}.footer-group span{font-size:11px;line-height:1.8}.footer-bottom{display:flex;justify-content:space-between;gap:24px;margin-top:38px;padding-top:22px;border-top:1px solid #d8e4ed;font-size:11px}
@media(max-width:1099px){.wrap{width:calc(100% - 56px)}.header-inner{min-height:92px;flex-wrap:wrap;justify-content:space-between;gap:0;padding-block:20px}.site-nav{width:100%;display:flex;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:12px;margin-top:18px}.site-nav a{padding-inline:14px;font-size:13px}.nav-ready .nav-toggle{display:block}.nav-ready .site-nav[data-open=false]{display:none}.hero-inner{grid-template-columns:1.1fr 1fr;min-height:500px;gap:22px;padding-block:55px}.hero h1{font-size:47px}.hero-art{height:340px}.hero-art .sheet{width:190px;height:269px}.hero-art .sheet.sheet-front{left:35%}.hero-art .sheet.sheet-back{left:0}.art-note{left:0;bottom:6px;font-size:11px;padding:10px 13px}.art-note small{font-size:9px}.paper-type-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-buttons .button{font-size:12px;padding:12px 13px}.hero-copy>p{font-size:15px}.section{padding-block:58px}.task-group{grid-template-columns:.8fr 2fr;padding:20px;gap:18px}.task-intro{padding:7px 0}.task-intro h3{font-size:23px}.feature-panel{padding:28px 35px;gap:35px}.feature-copy h3{font-size:27px}.feature-art{height:320px;padding:20px 20px 0}.generator{grid-template-columns:320px minmax(0,1fr);gap:20px}.controls{padding:20px}.preview-panel{padding:20px}.preview-bar{flex-direction:column;gap:6px}.paper-dimensions{max-width:100%;text-align:left}.footer-top{gap:28px}.pack-grid{gap:20px}.pack-panel{padding:20px}}
@media(max-width:800px){.hero-inner{grid-template-columns:1fr;gap:35px;padding-top:45px}.hero-copy{max-width:620px}.hero h1{font-size:52px}.hero-copy>p{font-size:16px}.hero-art{max-width:470px;height:350px;margin:0 auto}.hero-art .sheet.sheet-front{left:46%}.hero-art .sheet.sheet-back{left:9%}.art-note{left:13%}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:1fr}.steps article{padding:0 0 22px}.steps article+article{border-left:0;border-top:1px solid var(--border);padding:22px 0 0}.task-group{grid-template-columns:1fr;padding:22px}.task-intro{max-width:600px}.task-intro p{margin:12px 0 6px}.feature-panel{gap:30px;padding:28px}.feature-art{height:300px;padding:18px 18px 0}.feature-copy h3{font-size:25px}.feature-copy p{font-size:14px}.workflow-card{padding:23px}.workflow-card h3{font-size:23px}.pack-sample{padding:20px 18px 0;height:150px;gap:10px}.accuracy-sample{height:150px;padding:22px}.accuracy-sample p{font-size:15px}.sample-square{width:40px;height:40px;right:20px;bottom:25px}.generator{grid-template-columns:1fr 1fr;gap:18px}.controls{padding:18px}.controls .field-pair{grid-template-columns:1fr}.preview-panel{padding:17px}.pack-grid{grid-template-columns:1fr}.pack-preview-panel{position:static}.pack-panel{padding:22px}.pack-toolbar{align-items:center}.pack-toolbar button{flex-grow:0}.pack-overview{padding:20px;gap:18px}.pack-overview [data-pack-status]{max-width:60%}.pack-preview-panel .pack-detail{max-width:380px}.pack-thumbnails{max-width:560px;margin-inline:auto}.check-columns,.check-setup,.check-measure{grid-template-columns:1fr 1fr;gap:20px}.check-columns .field-pair{grid-template-columns:1fr}.check-setup{grid-template-columns:.85fr 1.15fr}.check-setup .pack-panel{padding:20px}.check-preview{max-width:300px}.example-layout{gap:30px;grid-template-columns:minmax(0,1fr) 260px}.example-preview{padding:18px}.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-brand p{margin-top:14px}.prose.wrap{width:calc(100% - 56px)}}
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36px);font-size:15px;line-height:1.85}.prose h2{font-size:23px;margin-top:32px}.prose li{font-size:14px}.reading-guide>ol>li{padding:18px 18px 18px 48px}.reading-guide>ol>li:before{left:16px;top:20px}.parameter-example{padding:3px 18px 22px}.example-layout{grid-template-columns:1fr;gap:26px;padding-bottom:40px}.example-layout .prose{width:100%}.example-preview{position:static;width:100%;max-width:360px;grid-row:1;padding:23px}.pack-panel{padding:19px;border-radius:12px;margin-bottom:20px}.pack-panel h2{font-size:21px}.pack-panel p{font-size:12px}.pack-toolbar{gap:9px;align-items:stretch}.pack-toolbar button{flex-grow:1;font-size:12px}.pack-workspace>.pack-toolbar{display:grid;grid-template-columns:1fr 1fr}.pack-workspace>.pack-toolbar>button:first-child{grid-column:1/-1}.pack-overview{flex-direction:column;align-items:start;gap:14px;padding:18px;margin-top:20px}.pack-overview p{font-size:19px}.pack-overview [data-pack-status]{max-width:100%;font-size:12px}.pack-overview .eyebrow{font-size:10px}.pack-items .pack-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.pack-items button{padding:9px 5px;min-height:44px;font-size:10px}.pack-items strong{font-size:15px}.pack-backup-row,.print-workflow{grid-template-columns:1fr;gap:10px}.print-workflow{padding-top:20px}.print-workflow>div{padding:18px}.print-workflow button{width:100%}.pack-thumbnails{gap:8px;padding:4px;grid-template-columns:repeat(4,minmax(0,1fr))}.pack-thumb{padding:5px}.pack-thumb>span:last-child{font-size:8px}.pack-workspace>.prose,.check-workspace>.prose{width:100%}.check-columns,.check-setup,.check-measure{grid-template-columns:1fr;gap:0}.check-columns .field-pair{grid-template-columns:1fr}.check-preview{max-width:285px}.check-print-step .pack-toolbar button{width:100%}.check-workspace textarea{font-size:14px}.check-workspace>.pack-panel>.pack-toolbar{display:flex;flex-direction:column}.check-workspace>.pack-panel>.pack-toolbar>button{width:100%}.check-table{min-width:720px}.check-table td,.check-table th{padding:12px}.check-results [data-axis-results] p{font-size:13px}.check-workspace [data-check-status]{font-size:12px}dialog{padding:20px;width:calc(100% - 24px);max-height:90vh;border-radius:12px}dialog h2{font-size:22px}#pack-editor-form>[data-editor-fields]{grid-template-columns:1fr}dialog .pack-toolbar{display:flex;flex-wrap:wrap}.site-footer{padding-top:35px}.footer-top{grid-template-columns:1fr 1fr;gap:30px 24px}.footer-brand{grid-column:1/-1}.footer-group{gap:3px}.footer-group h2{font-size:12px}.footer-group a{font-size:12px;min-height:40px}.footer-bottom{font-size:10px;display:block;margin-top:30px}.footer-bottom span{display:block;margin-bottom:8px}}
@media(max-width:360px){.wrap,.prose.wrap{width:calc(100% - 28px)}.brand{font-size:15px;gap:7px}.brand-text small{font-size:7px}.nav-toggle{padding-inline:9px;font-size:10px}.hero h1{font-size:38px}.hero-copy .hero-meta{font-size:9px}.hero-art{height:270px}.hero-art .sheet{width:139px;height:197px}.art-note{left:4%;font-size:10px}.paper-type-grid .card{grid-template-columns:87px minmax(0,1fr)}.paper-type-grid .card-body{padding:16px 13px}.paper-type-grid .card-body h3{font-size:17px}.paper-type-grid .card-body p{font-size:11px}.preset-card{grid-template-columns:80px minmax(0,1fr)}.preset-card .card-body{padding:15px 13px}.controls{padding:18px}.controls .field-pair{grid-template-columns:1fr}.pack-panel{padding:17px}.preview-bar{flex-direction:column}.paper-dimensions{text-align:left;max-width:100%}.feature-panel{padding:18px}.hero-meta span{padding-inline:2px}}
}
@media screen and (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media screen and (min-width:641px){.check-setup{align-items:stretch}.check-setup>section:first-child{grid-column:1;grid-row:1;margin-bottom:0}.check-setup>.check-preview-panel{grid-column:2;grid-row:1 / span 2}.check-setup>.check-print-step{grid-column:1;grid-row:2}.check-setup>.check-print-step .pack-toolbar button{width:100%}}
@media screen{.pack-workspace [aria-invalid=true],dialog [aria-invalid=true]{border:2px solid #a9472c;background:#fff9f5}}
@media screen{.content-settings{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:5px 18px;padding:18px;background:var(--soft,#f4f8fc);border-radius:12px}.content-settings dt,.content-settings dd{margin:0;overflow-wrap:anywhere}.content-sample{margin:28px 0}.content-sample img{display:block;width:100%;max-width:360px;height:auto;border:1px solid #d7e3ee;background:white;margin:0 auto 12px}.content-sample figcaption{font-size:13px;line-height:1.7;color:#536273}.reading-guide a{overflow-wrap:anywhere}.pack-content-samples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.pack-content-samples figure{margin:0;min-width:0}.pack-content-samples img{width:100%;height:auto;border:1px solid #d7e3ee}.pack-content-samples figcaption{font-size:12px}.reading-guide section{min-width:0}.reading-guide .button{white-space:normal;max-width:100%}@media(max-width:640px){.content-settings{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);font-size:13px;padding:12px;gap:8px}.pack-content-samples{grid-template-columns:repeat(2,minmax(0,1fr))}}}

/* Index card headings follow H1 without changing the existing card typography. */
.card-body>.card-title{font-size:20px;margin:0 0 11px}