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@media(max-width:720px){.wrap{width:calc(100% - 24px)}.brand{min-width:0}.brand-copy strong{font-size:14px}.primary-nav{width:94vw}.mobile-subject-group.open .mobile-subject-links{grid-template-columns:1fr}.hero-home,.topic-hero,.service-hero,.guide-hero,.compact-hero{padding:42px 0}.hero h1,.compact-hero h1{font-size:42px}.lead{font-size:16px}.bauhaus-grid{grid-template:repeat(2,140px)/repeat(2,1fr)}.block{min-height:140px;padding:14px}.block strong{font-size:20px}.orbit{width:90px;height:90px;border-width:14px}.signal-grid{grid-template-columns:1fr 1fr}.signal-grid div{border-bottom:1px solid #343a44}.section{padding:58px 0}.section-head h2,.split h2{font-size:38px}.bento-cats,.language-cards,.faq-grid,.tool-cards,.related-grid,.format-grid,.guide-list,.directory-links,.sitemap-grid{grid-template-columns:1fr}.cat-card{min-height:230px}.concept-grid,.process-grid{grid-template-columns:1fr}.topic-focus{grid-template-columns:1fr}.focus-tags{grid-column:1}.directory-group{grid-template-columns:1fr}.footer-cta-in{align-items:flex-start;flex-direction:column}.footer-cta h2{font-size:38px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:nth-child(4){grid-column:auto}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:6px}.guide-step{grid-template-columns:45px 1fr;gap:14px}.guide-step h2{font-size:28px}.code-window{box-shadow:8px 8px 0 #f3c944}.micro-trust{gap:9px}.topic-hero-grid{gap:28px}.brief-card{box-shadow:8px 8px 0 #ce5b3e}}
/* 2026-08-19 content expansion + mobile overflow hardening */
html,body{width:100%;max-width:100%;overflow-x:clip}body{position:relative}main,header,footer,section{max-width:100%}.wrap,.hero-grid>*,.topic-hero-grid>*,.split>*,.bento-cats>*,.concept-grid>*,.support-matrix>*,.assignment-type-grid>*,.deliverable-grid>*{min-width:0}h1,h2,h3,p,li,a,span,strong,b{overflow-wrap:break-word;hyphens:auto}pre,code{max-width:100%}.code-window pre{white-space:pre-wrap;overflow-wrap:anywhere}.primary-nav{max-width:100vw;overflow-x:hidden}.section-yellow{background:#f3c944;color:#171b21}.section-mint{background:#dfece3}.section-lilac{background:#e8e4ff}.section-yellow .eyebrow,.section-mint .eyebrow,.section-lilac .eyebrow{color:#171b21}.student-problem-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.student-problem-grid article{background:#fff;border:1px solid #d6d1c7;padding:24px;min-height:150px;position:relative}.student-problem-grid article:nth-child(2){border-top:5px solid #2455e6}.student-problem-grid article:nth-child(3){border-top:5px solid #ce5b3e}.student-problem-grid article:nth-child(4){border-top:5px solid #f3c944}.student-problem-grid small{font:800 10px ui-monospace,monospace;color:#2455e6}.student-problem-grid h3{font-size:21px;line-height:1.15;margin:6px 0 10px}.student-problem-grid p{font-size:14px;color:#5f656d;margin:0}.keyword-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.keyword-tiles a{background:#fbfaf6;border:1px solid rgba(21,25,31,.18);padding:22px;min-height:120px;display:grid;grid-template-columns:1fr auto;align-items:end;gap:8px;transition:.2s}.keyword-tiles a:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(21,25,31,.12)}.keyword-tiles small{grid-column:1/-1;font:800 10px ui-monospace,monospace;color:#777}.keyword-tiles b{font-size:15px;line-height:1.25}.keyword-tiles span{font-size:20px}.keyword-tiles.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.keyword-tiles.compact a{min-height:88px;padding:17px}.language-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.language-stack a{background:#fff;border:1px solid #bdcfc3;padding:17px;display:flex;flex-direction:column;gap:3px;transition:.18s}.language-stack a:hover{transform:translateX(4px);border-color:#2455e6}.language-stack b{font-size:14px}.language-stack span{font-size:10px;color:#687169}.support-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.support-matrix article{background:rgba(255,255,255,.98);color:#171b21;padding:26px;min-height:190px}.support-matrix small{font:800 10px ui-monospace,monospace;color:#ce5b3e}.support-matrix h3{font-size:22px;line-height:1.15;margin:24px 0 9px}.support-matrix p{font-size:13px;color:#646a72}.support-matrix.compact article{min-height:115px}.clean-list{list-style:none;padding:0;margin:24px 0;display:grid;gap:8px}.clean-list li{background:#fff;border:1px solid #d5d0c7;padding:12px 14px 12px 42px;position:relative}.clean-list li:before{content:'✓';position:absolute;left:15px;color:#2455e6;font-weight:900}.clean-list.warning li:before{content:'×';color:#ce5b3e}.assignment-type-grid,.deliverable-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.assignment-type-grid article,.deliverable-grid article{background:#fff;border:1px solid #d5d0c7;padding:24px;min-height:205px}.assignment-type-grid b,.deliverable-grid small{font:800 10px ui-monospace,monospace;color:#ce5b3e}.assignment-type-grid h3,.deliverable-grid h3{font-size:20px;line-height:1.15;margin:22px 0 10px}.assignment-type-grid p,.deliverable-grid p{font-size:13px;color:#636970}.scenario-card{background:#15191f;color:#fff;padding:32px;border-left:8px solid #ce5b3e;box-shadow:14px 14px 0 #f3c944}.scenario-card>span{font:800 10px ui-monospace,monospace;color:#f3c944;letter-spacing:.14em}.scenario-card h3{font-size:31px;line-height:1.05;margin:20px 0}.scenario-card p{color:#d4d9e1!important}.debug-steps{display:grid;gap:7px}.debug-steps div{background:#fff;border:1px solid #d4cfc6;padding:14px 16px;display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:center}.section-dark .debug-steps div{background:#242a33;border-color:#343b46}.debug-steps b{font:800 10px ui-monospace,monospace;color:#ce5b3e}.debug-steps span{font-size:14px;font-weight:700}.process-grid.six{grid-template-columns:repeat(3,minmax(0,1fr))}.process-grid.six article:nth-child(5){border-color:#7bc99b}.process-grid.six article:nth-child(6){border-color:#8d7bd6}.price-factors.big span{font-size:13px;padding:14px 16px}.directory-group p{font-size:12px;color:#777;margin:8px 0 0}.guide-list p{font-size:13px;color:#6a7078;margin:10px 36px 0 0}.section-blue .support-matrix article:nth-child(2n){background:#f3c944}.section-blue .support-matrix article:nth-child(3n){background:#e8e4ff}.section-lilac .code-window{box-shadow:18px 18px 0 #ce5b3e}
@media(max-width:1240px){.keyword-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}.support-matrix,.assignment-type-grid,.deliverable-grid,.process-grid.six{grid-template-columns:repeat(2,minmax(0,1fr))}.primary-nav{transform:translate3d(102%,0,0)}}
@media(max-width:720px){html,body{overflow-x:clip}.wrap{width:calc(100% - 28px)}.nav-shell{width:calc(100% - 24px)}.primary-nav{width:min(94vw,430px);max-width:100vw;right:0}.hero h1,.compact-hero h1,.topic-hero h1,.service-hero h1{font-size:clamp(34px,11vw,42px);letter-spacing:-.045em}.section-head h2,.split h2{font-size:clamp(30px,9.5vw,38px);letter-spacing:-.04em}.lead{font-size:16px}.student-problem-grid,.keyword-tiles,.keyword-tiles.compact,.language-stack,.support-matrix,.assignment-type-grid,.deliverable-grid,.process-grid.six{grid-template-columns:1fr}.student-problem-grid article,.support-matrix article,.assignment-type-grid article,.deliverable-grid article{min-height:0}.scenario-card{padding:24px;box-shadow:8px 8px 0 #f3c944;margin-right:8px}.section-lilac .code-window,.code-window{box-shadow:7px 7px 0 #ce5b3e;margin-right:7px;width:calc(100% - 7px)}.brief-card{margin-right:7px;width:calc(100% - 7px)}.bauhaus-grid{transform:none;width:100%;max-width:100%}.block strong{font-size:18px}.signal-grid span{font-size:11px}.format-grid div{min-width:0}.directory-links a,.mobile-subject-links a{overflow-wrap:anywhere}.wa-float{right:12px;bottom:12px}.footer-cta,.site-footer{overflow:hidden}}
@media(max-width:390px){.wrap{width:calc(100% - 24px)}.brand-mark{width:32px;height:32px}.brand-copy small{letter-spacing:.14em}.hero h1,.compact-hero h1,.topic-hero h1,.service-hero h1{font-size:34px}.hero-actions .button{width:100%}.signal-grid{grid-template-columns:1fr}.signal-grid div{border-right:0}.bauhaus-grid{grid-template:repeat(2,126px)/repeat(2,minmax(0,1fr))}.block{min-height:126px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-grid>div:nth-child(4){grid-column:auto}}
.question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.question-grid article{background:#fff;border:1px solid #d3cedd;padding:24px;min-height:170px}.question-grid h3{font-size:18px;line-height:1.25;margin:0 0 12px}.question-grid p{font-size:13px;color:#636970;margin:0}@media(max-width:720px){.question-grid{grid-template-columns:1fr}.question-grid article{min-height:0}}
.question-example{background:#15191f;color:#fff;padding:30px;border-top:8px solid #2455e6}.question-example>span{font:800 10px ui-monospace,monospace;color:#f3c944;letter-spacing:.12em}.question-example p{color:#d5dae2!important}.question-example p:first-of-type{font-size:18px;line-height:1.55}
html,body{overflow-x:hidden!important}
.keyword-callout{background:#15191f;color:#fff;padding:30px;display:grid;gap:8px;border-bottom:10px solid #2455e6}.keyword-callout>span{font:800 10px ui-monospace,monospace;color:#f3c944;letter-spacing:.12em;margin-bottom:8px}.keyword-callout>b{background:#242a33;padding:13px 15px;font-size:14px}.keyword-callout>a{margin-top:10px;color:#f3c944;font-weight:800;font-size:13px}
.section-sand{background:#eadbc7}.section-sand .eyebrow{color:#171b21}.deep-dive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.deep-dive-grid article{background:#fbfaf6;border:1px solid rgba(21,25,31,.15);padding:26px;min-height:210px}.deep-dive-grid small{font:800 10px ui-monospace,monospace;color:#2455e6}.deep-dive-grid h3{font-size:21px;margin:20px 0 10px}.deep-dive-grid p{font-size:14px;color:#5d636a}@media(max-width:720px){.deep-dive-grid{grid-template-columns:1fr}.deep-dive-grid article{min-height:0}}
/* 2026-08-19 structural overflow fix: hidden menus no longer live outside the viewport */
@media(min-width:1241px){
.mega{display:none}
.nav-group.open>.mega{display:grid}
}
@media(max-width:1240px){
.primary-nav{
right:0;left:auto;
width:min(430px,calc(100vw - 12px));max-width:calc(100vw - 12px);
transform:none!important;
opacity:0;visibility:hidden;pointer-events:none;
contain:layout paint;
}
.primary-nav.open{transform:none!important;opacity:1;visibility:visible;pointer-events:auto}
.mega{display:none}
.nav-group.open>.mega{display:block}
.nav-subjects.open>.mega-subjects{display:block!important}
}
@media(max-width:390px){
.step-line{grid-template-columns:42px minmax(0,1fr);gap:12px}
.step-line>*{min-width:0}
.step-line span{font-size:16px;overflow-wrap:anywhere}
}