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@media(max-width:620px){html{scroll-padding-top:90px}.container{width:calc(100% - 40px)}.header-inner{height:72px;gap:15px}.brand{font-size:23px;gap:5px}.brand img{width:42px;height:42px}.desktop-nav{display:none}.header-start{display:none}.menu-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:42px;height:42px;border:1px solid var(--rule);border-radius:7px;background:#fff;margin-left:auto}.menu-button span{display:block;width:18px;height:1px;background:var(--ink)}.menu-button[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-button[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.hero{grid-template-columns:1fr;gap:0;min-height:0;padding-top:49px;padding-bottom:31px}.hero .eyebrow{font-size:13px}.hero h1{font-size:clamp(44px,10.7vw,64px);margin-top:20px}.hero-description{font-size:16px;max-width:390px;margin-top:23px}.hero .hero-actions{flex-direction:row;align-items:center;gap:14px;margin-top:27px}.button{padding:14px 16px;gap:15px;font-size:13px}.hero .quiet-link{font-size:13px;gap:8px}.hero-note{font-size:13px;max-width:none;margin-top:19px}.hero-identity{max-width:400px;width:100%;margin:21px auto 0}.identity-caption{display:none}.hero-mark{width:83%;max-width:340px;margin:0}.identity-signature{margin-top:-32px;font-size:13px}.platform-index{padding-block:22px;gap:9px;justify-content:space-between}.platform-index>div{align-items:start;flex-direction:column;gap:4px;flex:none}.platform-index strong{font-size:20px}.platform-index span{font-size:13px}.section{padding-block:69px}.eyebrow{font-size:13px}.section-heading h2,.inside-intro h2{font-size:36px;margin-top:15px}.section-heading>p:last-child{font-size:15px;margin-top:21px}.approach-steps{grid-template-columns:1fr;gap:28px;margin-top:34px}.approach-steps article{padding-top:18px}.approach-steps h3{margin-top:13px;font-size:22px}.approach-steps p{font-size:15px;max-width:400px;margin-top:10px}.inside-section{padding-block:58px}.inside-intro{align-items:start;flex-direction:column;gap:19px;margin-bottom:29px}.inside-intro>p{max-width:340px;font-size:15px}.lesson-heading{padding:16px 19px;gap:12px;align-items:start}.lesson-label{font-size:13px;letter-spacing:.04em;gap:7px}.lesson-heading>a{font-size:13px;gap:9px;white-space:nowrap}.lesson-body{grid-template-columns:1fr}.lesson-explanation{padding:24px}.lesson-tabs{margin-bottom:24px;gap:25px}.lesson-tabs button{font-size:14px}.lesson-explanation h3{font-size:27px}.lesson-explanation #lesson-copy{font-size:15px;min-height:0}.lesson-takeaway{font-size:14px;min-height:0;margin-top:20px}.case-link{font-size:13px;margin-top:25px}.lesson-figure{border-left:0;border-top:1px solid var(--rule);padding:24px}.lesson-figure figcaption{font-size:13px}.map-target>span:last-child{font-size:13px}.map-observation{font-size:13px;min-height:16px}.example-command{margin-top:15px}.heading-row{display:block}.heading-row>p:last-child{max-width:none;margin-top:20px;font-size:15px}.path-filters{gap:4px;margin-block:29px 23px}.path-filters button{font-size:13px;padding:10px 11px;min-height:40px}.track-grid{grid-template-columns:1fr}.track{min-height:0;grid-template-columns:37px 1fr 17px;padding-block:22px;gap:13px}.track-title{flex-direction:row;align-items:baseline}.track h3{font-size:20px}.track .topic-count{font-size:13px}.track p{font-size:15px;max-width:400px}.track-icon img{width:25px;height:25px}.path-guidance{flex-direction:column;gap:5px;padding:16px;font-size:14px;margin-top:19px}.path-guidance p{font-size:14px}.projects-section{padding-top:0}.project-grid{grid-template-columns:1fr;gap:38px;margin-top:33px}.project-meta{font-size:13px}.project-art{height:166px;max-width:none;margin-top:17px;margin-bottom:22px}.company-case{font-size:13px}.project-item h3{font-size:27px}.project-item p{font-size:15px;max-width:none;margin-top:13px}.project-format{font-size:13px;margin-top:17px}.reliability-art{padding:35px 62px}.slo-bars{gap:11px}.slo-line{left:62px;right:62px;top:50px}.recovery-art{gap:23px}.art-database{width:37px;height:40px}.art-backup{width:31px;height:37px}.projects-footer{flex-direction:column;gap:16px;margin-top:30px;padding-top:23px}.projects-footer p{font-size:14px}.projects-footer .quiet-link{font-size:14px}.closing{padding-block:59px}.closing-inner{display:block}.closing h2{font-size:42px}.closing p:not(.eyebrow){font-size:15px}.closing .hero-actions{gap:19px}.closing .quiet-link{font-size:13px}.closing-inner>img{display:none}.site-footer{padding-block:22px 30px;gap:18px}.site-footer nav{margin-left:0;width:100%;font-size:13px;gap:23px}.site-footer .copyright{text-align:left;margin-top:0}}
@media(max-width:360px){.hero .hero-actions{gap:8px}.hero .button{padding:13px 12px;gap:10px;font-size:13px}.hero .quiet-link{font-size:13px}.track-title{flex-direction:column;gap:5px}.lesson-heading{flex-direction:column;gap:12px}.lesson-explanation,.lesson-figure{padding:20px}.path-filters button{font-size:13px;padding:10px}.site-footer nav{gap:17px;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

/* Approved light identity — motion and clarity refinement, October 2026. */
:root{--muted:#4e5e69;--quiet:#536571;--rule:#dce4e7}
.hero-symbol{display:block;width:100%;height:auto;overflow:visible;transform-origin:50% 50%}
.motion-paused .hero-symbol,.motion-paused .identity-glint,.motion-idle .hero-symbol,.motion-idle .identity-glint,.motion-hidden .hero-symbol,.motion-hidden 

.identity-caption{font-size:12px}.identity-signature{font-size:14px}.hero-note{font-size:14px}
.eyebrow,.step-number,.lesson-kicker,.company-case{font-size:12px;letter-spacing:.09em;font-weight:600}
.approach-steps p,.section-heading>p:last-child,.heading-row>p:last-child,.inside-intro>p,.closing p:not(.eyebrow){font-size:16px}
.platform-index span,.platform-index>a{font-size:14px}.platform-index strong{font-size:24px}
.lesson-preview{border-color:#d6e1e4;box-shadow:0 12px 40px rgba(17,24,32,.035)}
.lesson-heading{padding-block:20px}.lesson-label{font-size:12px;font-weight:600}.lesson-heading>a{font-size:14px}
.lesson-tabs{gap:10px;margin-bottom:29px}.lesson-tabs button{font-size:15px;padding:10px 14px 14px;min-height:45px}
.lesson-tabs button[aria-selected=true]{border-bottom-color:var(--accent);color:#076b70;font-weight:600}
.lesson-explanation #lesson-copy{font-size:16px;max-width:none;min-height:110px}.lesson-takeaway{font-size:15px;padding:13px 16px;background:#f0f8f7;border-radius:0 6px 6px 0;max-width:none}
.case-link{font-size:13px;line-height:1.6;margin-top:30px}.lesson-figure{background:#f8fafb}
.lesson-figure figcaption{font-size:13px;line-height:1.6;color:#3e5966}
.map-source,.map-proxy{font-size:15px;font-weight:600}.map-source>span,.map-proxy span{font-size:13px;font-weight:400}
.map-proxy{border-color:#93b6c3;box-shadow:0 3px 10px #183f4c05;min-width:180px}.map-connector,.map-branches:before,.map-branches:after,.map-branches>span{background:#90acb7}
.map-target{padding:16px 8px;border-color:#91c4b6;background:#eaf5ef}.map-target.canary{border-color:#99bedc;background:#edf4fc}
.map-target .target-route{font-size:16px;font-weight:600;color:#196a53}.map-target.canary .target-route{color:#215e9c}
.map-target strong{font-size:15px;font-weight:600}.map-target>span:last-child{font-size:13px;line-height:1.5}.map-observation{font-size:14px;line-height:1.6}
.release-map[data-stage=failure] .canary{background:#fff0ed;border-color:#d28b7f}.release-map[data-stage=rollback] .canary{opacity:1;background:#f0f3f5;border-color:#bdc9cf}.release-map[data-stage=rollback] .canary .target-route{color:#536571}
.example-command{border:1px solid #dce5e8;background:#eef2f4;padding:15px 16px}.example-command>span{font-size:12px;font-weight:600;letter-spacing:.07em}.example-command code{font-size:13px;line-height:1.7}
.path-filters button{font-size:14px;min-height:44px}.path-filters button[aria-pressed=true]{background:#eaf1f2;border-color:#d4e2e4}.path-filters button>span{font-size:13px}
.track{--track-color:#077f85;--track-tint:#edf7f7;grid-template-columns:56px 1fr 20px;gap:20px;padding-block:28px;min-height:156px}
.track[data-track=linux]{--track-color:#966507;--track-tint:#fff5d8}.track[data-track=network]{--track-color:#087ca2;--track-tint:#eaf6fc}.track[data-track=git]{--track-color:#c54328;--track-tint:#fff0e9}.track[data-track=scripting]{--track-color:#517321;--track-tint:#eff6e5}.track[data-track=aws]{--track-color:#a56809;--track-tint:#fff3df}.track[data-track=gcp]{--track-color:#346cce;--track-tint:#edf3fd}.track[data-track=docker]{--track-color:#137bb7;--track-tint:#eaf6fd}.track[data-track=k8s]{--track-color:#326ce5;--track-tint:#eef2fe}.track[data-track=cicd]{--track-color:#b74418;--track-tint:#fff0e9}.track[data-track=sre]{--track-color:#087d5d;--track-tint:#e8f7ef}.track[data-track=projects]{--track-color:#7553a8;--track-tint:#f4effa}
.track[data-track=design]{--track-color:#b51e63;--track-tint:#fcecf3}
.track-icon{width:56px;height:60px;margin-top:0;position:relative;background:var(--track-tint);clip-path:polygon(50% 0,94% 25%,94% 75%,50% 100%,6% 75%,6% 25%);transition:transform .25s}
.track-icon img{width:32px;height:32px;filter:none;opacity:1}.track:hover .track-icon{transform:translateY(-3px)}.track:hover h3,.track:hover .track-arrow{color:var(--track-color)}
.track h3{font-size:23px}.track p{font-size:15px;max-width:none;margin-top:10px}.track-title{gap:10px}.track .topic-count{font-size:12px;color:var(--track-color);border:1px solid var(--track-tint);background:var(--track-tint);padding:4px 7px;border-radius:5px}
.path-guidance,.path-guidance p{font-size:14px}.path-guidance{border:1px solid var(--rule)}
.project-grid{gap:24px}.project-item{--project-color:#a83735;--project-tint:#fcf2f1;border:1px solid #dce4e7;border-radius:12px;overflow:hidden;padding:0;background:#fff;transition:border-color .25s,box-shadow .25s,transform .25s}
.project-reliability{--project-color:#2863ac;--project-tint:#f0f5fc}.project-recovery{--project-color:#ac4d22;--project-tint:#fdf4ec}
.project-item:hover{border-color:#acbec6;box-shadow:0 12px 32px #1726300a;transform:translateY(-4px)}
.project-meta{padding:18px 22px;font-size:11px;font-weight:600;letter-spacing:.07em;color:var(--quiet);border-bottom:1px solid var(--rule);gap:10px}.project-meta>.project-company{font-size:12px;letter-spacing:0;font-weight:500;color:var(--project-color)}
.project-art{height:228px;margin:0;border-radius:0;background:var(--project-tint);flex:none;border-bottom:1px solid var(--rule);flex-direction:column;justify-content:flex-start;padding:22px;overflow:hidden;gap:0}
.diagram-caption{font-size:10px;font-weight:600;letter-spacing:.06em;color:var(--project-color);text-align:center;line-height:1.5;margin-bottom:17px}
.delivery-entry{font-size:13px;text-align:center;padding:10px 20px;border:1px solid #dfb8b6;border-radius:6px;background:#fff;line-height:1.5}.delivery-entry>span{display:block;color:var(--muted);font-size:11px}
.delivery-fork{height:20px;width:54%;border:1px solid #cf9997;border-bottom:0;margin-top:13px;position:relative}.delivery-fork:before{content:'';height:14px;width:1px;background:#cf9997;position:absolute;left:50%;top:-14px}
.delivery-versions{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.delivery-versions>div{background:#fff;border:1px solid #d9b9b7;border-radius:6px;padding:8px;text-align:center;display:grid;gap:3px}.delivery-versions>div:last-child{background:#fff8f7;border-color:#c88885}.diagram-percent{font-size:20px;font-weight:600;color:var(--project-color)}.delivery-versions strong{font-size:12px;font-weight:600}.delivery-versions>div>span:last-child{font-size:11px;color:var(--muted)}
.reliability-flow{width:100%;display:grid;grid-template-columns:1fr 20px 1fr;gap:6px;align-items:center}.reliability-flow>div{display:grid;gap:6px;align-content:center;background:white;border:1px solid #c1d2e9;border-radius:6px;padding:10px;text-align:center;min-height:87px}.reliability-flow>div>span{font-size:11px;color:var(--project-color)}.reliability-flow strong{font-size:13px;font-weight:600}.reliability-flow small{font-size:11px;color:var(--muted)}.diagram-arrow{color:var(--project-color);font-size:20px;text-align:center}
.reliability-decision{display:flex;align-items:center;gap:10px;width:100%;padding:12px 10px;margin-top:12px;background:#e5eefb;border-radius:6px;color:#3c5d83;font-size:12px;line-height:1.6}.reliability-decision strong{font-weight:600}.decision-dot{width:7px;height:7px;border-radius:50%;background:#2863ac;flex:none}
.recovery-flow{display:flex;align-items:center;justify-content:space-between;width:100%;gap:4px;margin-top:5px}.recovery-flow>div{display:grid;justify-items:center;gap:12px}.recovery-flow svg{width:36px;height:42px;fill:#fff;stroke:var(--project-color);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.recovery-flow strong{font-size:12px;font-weight:600}.recovery-proof{font-size:11px;text-align:center;color:#875636;margin-top:23px;padding-top:13px;border-top:1px solid #e9d6c9;width:100%;line-height:1.6}.recovery-proof>span{padding-inline:3px}
.project-content{padding:25px 22px 20px;display:flex;flex-direction:column;flex:1}.company-case{font-size:11px;color:var(--project-color);letter-spacing:.07em}.project-item h3{font-size:24px;line-height:1.25;margin-top:12px}.project-item p{font-size:15px;line-height:1.7;margin-top:15px;max-width:none;flex:1}.project-evidence{display:grid;gap:7px;border-top:1px solid var(--rule);margin-top:25px;padding-top:18px}.project-evidence>span{font-size:10px;letter-spacing:.08em;color:var(--quiet);font-weight:600}.project-evidence strong{font-size:13px;font-weight:500;line-height:1.6}.project-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:24px}.project-format{display:inline-flex;align-items:center;gap:7px;margin:0;font-size:11px;color:var(--muted)}.project-format>span{font-size:14px}.project-open{font-size:12px;display:flex;gap:7px;align-items:center;font-weight:600}.project-open>span{font-size:17px;transition:transform .25s}.project-item:hover .project-open>span{transform:translate(2px,-2px)}
.projects-footer p,.projects-footer .quiet-link{font-size:14px}.site-footer nav,.site-footer>span,.site-footer .copyright{font-size:13px}
@media(max-width:1100px){.hero-description{font-size:17px}.hero-mark{width:100%}.track{grid-template-columns:50px 1fr 18px;gap:14px}.track-icon{width:50px;height:54px}.track h3{font-size:21px}.track-title{flex-direction:column;gap:7px}.project-grid{gap:18px}.project-art{padding:20px 14px;height:236px}.project-meta{padding-inline:17px;flex-wrap:wrap}.project-content{padding-inline:17px}.project-item h3{font-size:22px}.diagram-caption{font-size:10px}.project-evidence strong{font-size:13px}}
@media(max-width:800px){.hero-description{font-size:16px}.hero-note{font-size:13px}.identity-caption{font-size:11px}.identity-signature{font-size:12px}.platform-index span{font-size:13px}.lesson-body{grid-template-columns:1fr}.lesson-figure{border-left:0;border-top:1px solid var(--rule);padding-inline:30px}.lesson-explanation #lesson-copy{min-height:0}.lesson-heading>a{font-size:13px}.map-targets{max-width:480px;gap:20px}.map-branches{max-width:270px}.map-proxy{min-width:180px}.project-grid{grid-template-columns:1fr}.project-item{display:grid;grid-template-columns:260px 1fr}.project-meta{grid-column:1/-1;padding:17px 23px;flex-wrap:nowrap}.project-art{height:100%;min-height:280px;border-bottom:0;border-right:1px solid var(--rule);justify-content:center;padding-inline:20px}.project-content{padding:24px}.project-item h3{font-size:24px}.project-evidence{margin-top:19px}.project-bottom{margin-top:18px}.project-item p{font-size:15px}.project-format{font-size:12px}.project-open{font-size:13px}.track p{font-size:15px}.inside-intro>p,.heading-row>p:last-child{font-size:15px}.lesson-tabs button{font-size:15px}.lesson-takeaway{font-size:15px}.case-link{font-size:13px}.projects-footer p{font-size:14px}.projects-footer .quiet-link{white-space:normal;font-size:14px}.path-guidance,.path-guidance p{font-size:14px}}
@media(max-width:620px){.hero-description{font-size:16px}.hero .eyebrow{font-size:12px}.hero .button,.button{font-size:14px}.hero .quiet-link,.closing .quiet-link{font-size:14px}.hero .hero-actions{gap:8px 16px}.hero-note{font-size:13px;line-height:1.6}.identity-signature{font-size:13px;margin-top:-22px}.section-heading>p:last-child{font-size:16px}.approach-steps p{font-size:16px}.platform-index span{font-size:12px}.platform-index strong{font-size:23px}.lesson-heading{padding:16px 20px;flex-wrap:wrap}.lesson-label{font-size:12px}.lesson-heading>a{font-size:13px}.lesson-explanation #lesson-copy{font-size:16px}.lesson-figure{padding:24px 20px}.lesson-figure figcaption{font-size:13px}.map-targets{gap:12px}.map-target>span:last-child{font-size:12px}.map-observation{font-size:14px}.map-target .target-route{font-size:15px}.example-command code{font-size:12px}.path-filters button{font-size:13px;padding:10px 12px}.track{grid-template-columns:50px 1fr 17px;gap:14px;padding-block:26px}.track-icon{width:50px;height:54px}.track-icon img{width:30px;height:30px}.track-title{flex-direction:row;align-items:center;flex-wrap:wrap;gap:7px}.track h3{font-size:21px}.track p{font-size:15px}.track .topic-count{font-size:11px}.project-grid{gap:24px}.project-item{display:flex}.project-art{height:240px;min-height:0;border-right:0;border-bottom:1px solid var(--rule);padding:24px 28px;justify-content:flex-start}.diagram-caption{font-size:11px;margin-bottom:18px}.project-content{padding:24px}.project-item h3{font-size:26px}.project-item p{font-size:16px}.project-meta{font-size:12px}.project-meta>.project-company{font-size:12px}.company-case{font-size:12px}.delivery-entry{font-size:14px}.delivery-entry>span,.delivery-versions>div>span:last-child{font-size:12px}.delivery-versions strong{font-size:13px}.delivery-versions>div{padding:10px}.reliability-flow>div{min-height:95px}.reliability-flow small{font-size:12px}.reliability-flow strong{font-size:14px}.reliability-decision{font-size:13px}.recovery-flow{margin-top:9px;justify-content:space-around}.recovery-flow svg{width:40px;height:46px}.recovery-flow strong{font-size:13px}.recovery-proof{font-size:12px;margin-top:26px}.project-evidence>span{font-size:11px}.project-evidence strong{font-size:14px}.project-format{font-size:12px}.project-open{font-size:13px}.projects-footer p,.projects-footer .quiet-link{font-size:14px}.closing p:not(.eyebrow){font-size:16px}.site-footer nav{font-size:13px;gap:18px}}
@media(max-width:360px){.hero .button{font-size:13px}.hero .quiet-link{font-size:13px}.lesson-tabs{gap:5px}.lesson-tabs button{padding-inline:10px}.lesson-explanation{padding:20px}.track{gap:10px;grid-template-columns:44px 1fr 16px}.track-icon{width:44px;height:48px}.track-icon img{width:27px;height:27px}.project-art{padding-inline:20px}.project-content{padding-inline:20px}.project-item h3{font-size:24px}.site-footer nav{font-size:12px}.recovery-proof{font-size:11px}}
@media(prefers-reduced-motion:reduce){.hero-symbol{animation:none}.project-item:hover{transform:none}.track:hover .track-icon{transform:none}}
/* Keep instructional labels legible at normal browser zoom. */
.project-meta,.diagram-caption,.company-case,.project-evidence>span{font-size:12px}
.delivery-entry>span,.delivery-versions>div>span:last-child,.reliability-flow small,.recovery-proof{font-size:12px}
.delivery-versions strong,.reliability-flow strong,.recovery-flow strong{font-size:13px}
.project-format,.project-open{font-size:13px}.project-item p{font-size:16px}
@media(max-width:1100px){.project-meta{font-size:11px}.diagram-caption{font-size:11px}.project-format,.project-open{font-size:12px}.project-item p{font-size:15px}}
@media(max-width:620px){.project-meta,.diagram-caption{font-size:12px}.project-item p{font-size:16px}.project-format,.project-open{font-size:13px}}
/* Let labels wrap without compressing or clipping the architecture flow. */
.project-art{height:260px}.project-art>*{flex-shrink:0}
.track[data-track=scripting] .track-icon img{filter:brightness(.72) saturate(1.1)}
@media(max-width:800px){.project-art{height:100%;min-height:300px}}
@media(max-width:620px){.project-art{height:auto;min-height:260px}}

/* Stronger instructional colors and a more compact learning-path section. */
.lesson-preview{border-color:#bfd2d9}
.lesson-label,.lesson-kicker{color:#076f76}
.lesson-figure{background:#f1f6fa}
.lesson-takeaway{background:#dff1ed;border-left-color:#168b77}
.map-proxy{border-color:#6097ae}
.map-connector,.map-branches:before,.map-branches:after,.map-branches>span{background:#6b93a5}
.map-target{background:#d9eee4;border-color:#58a186}
.map-target.canary{background:#ddecff;border-color:#6c9fd6}
.map-target .target-route{color:#14694d}
.map-target.canary .target-route{color:#215d9e}
.release-map[data-stage=failure] .canary{background:#ffe5df;border-color:#c56e5d}
.release-map[data-stage=rollback] .canary{background:#edf1f4;border-color:#adbfc9}
.example-command{background:#e4edf2;border-color:#c9dbe3}
.project-delivery{--project-color:#a52928;--project-tint:#f9e5e3}
.project-reliability{--project-color:#215faa;--project-tint:#e3edff}
.project-recovery{--project-color:#a94318;--project-tint:#ffeadc}
.delivery-entry,.delivery-versions>div{border-color:#c88d88}
.delivery-versions>div:last-child{background:#fff2ef;border-color:#b96560}
.delivery-fork,.delivery-fork:before{border-color:#bd7772}
.delivery-fork:before{background:#bd7772}
.reliability-flow>div{border-color:#95b5de}
.reliability-decision{background:#ccdefa;color:#2e527e}
.recovery-flow svg{stroke-width:1.8;fill:#fff7f1}
.recovery-proof{border-color:#dcbaa3;color:#864624}
.paths{padding-block:88px}
.paths .path-filters{margin-top:28px;margin-bottom:22px}
.track{grid-template-columns:48px 1fr 20px;gap:17px;min-height:124px;padding-block:20px}
.track-icon{width:48px;height:52px}
.track-icon img{width:29px;height:29px}
.track h3{font-size:21px}
.track p{line-height:1.55;margin-top:7px}
.path-guidance{margin-top:22px;padding:15px 20px}
@media(max-width:1100px){
  .track{grid-template-columns:46px 1fr 18px;gap:14px;min-height:130px;padding-block:19px}
  .track-icon{width:46px;height:50px}
  .track h3{font-size:20px}
}
@media(max-width:800px){
  .paths{padding-block:70px}
  .track{min-height:0;padding-block:18px;gap:12px}
  .track-icon{width:44px;height:48px}
  .track-icon img{width:27px;height:27px}
}
@media(max-width:620px){
  .paths{padding-block:60px}
  .paths .path-filters{margin-top:24px;margin-bottom:18px}
  .track{grid-template-columns:44px 1fr 17px;padding-block:19px}
  .track h3{font-size:20px}
  .path-guidance{padding:14px 16px;margin-top:18px}
}

/* Company marks and the rotating Hex Horizon identity. */
.project-meta>.project-company{display:inline-flex;align-items:center;gap:9px;white-space:nowrap}
.company-logo{width:24px;height:24px;object-fit:contain;flex:none}
.company-logo-netflix{border-radius:3px}
.case-link{gap:10px;flex-wrap:wrap}
.case-link>span:first-of-type{flex:1;min-width:160px}
.project-item:hover .project-meta>span{transform:none;color:var(--quiet)}
.project-item:hover .project-meta>.project-company{color:var(--project-color)}
.hero-symbol{animation:none;transform:none}
.identity-core{transform-origin:160px 160px;animation:identity-core-orbit 28s linear infinite}
.identity-horizon,.identity-horizon-cut{transform-origin:160px 160px;animation:identity-horizon-turn 10s ease-in-out infinite}
@keyframes identity-core-orbit{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes identity-horizon-turn{0%,100%{transform:rotate(0deg)}50%{transform:rotate(3deg)}}
.motion-paused .identity-core,.motion-paused .identity-horizon,.motion-paused .identity-horizon-cut,
.motion-idle .identity-core,.motion-idle .identity-horizon,.motion-idle .identity-horizon-cut,
.motion-hidden .identity-core,.motion-hidden .identity-horizon,.motion-hidden .identity-horizon-cut{animation-play-state:paused}
@media(max-width:1100px){.project-meta{padding-inline:16px;gap:8px}.project-meta>.project-company{gap:6px}.company-logo{width:22px;height:22px}}
@media(prefers-reduced-motion:reduce){.identity-core,.identity-horizon,.identity-horizon-cut{animation:none}}

/* Homepage V2 — focused paths, a real explanation, and cloud certification practice. */
.request-preview .lesson-explanation #lesson-copy{min-height:105px}
.request-preview .lesson-takeaway{min-height:76px}
.request-preview .lesson-explanation h3{min-height:68px}
.request-figure{background:#f1f6f7}
.request-path{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:16px;position:relative}
.request-path:before{content:'';position:absolute;left:22px;top:30px;bottom:30px;width:1px;background:#b8ccd1}
.request-path li{position:relative;display:flex;align-items:center;gap:14px;border:1px solid #cddde0;border-radius:8px;padding:13px 14px;background:#fff;min-height:74px}
.hop-number{width:30px;height:30px;display:grid;place-items:center;border:1px solid #d4e4e5;border-radius:50%;font-size:11px;color:#467278;flex:none;background:#f3f8f8}
.request-path li>div{flex:1}.request-path strong{display:block;font-size:15px;font-weight:600}.request-path li>div>span{display:block;font-size:13px;line-height:1.5;margin-top:4px;color:var(--muted)}
.hop-state{font-size:10px;letter-spacing:.06em;color:#57717a;font-weight:600;flex:none}
.request-path[data-stage=trace] [data-hop=proxy],.request-path[data-stage=trace] [data-hop=app]{border-color:#dfaaa2;background:#fff4f1}
.request-path[data-stage=trace] [data-hop=proxy] .hop-state,.request-path[data-stage=trace] [data-hop=app] .hop-state{color:#af412e}
.request-path[data-stage=verify] [data-hop=proxy],.request-path[data-stage=verify] [data-hop=app]{border-color:#8dbdae;background:#eaf5ee}
.request-path[data-stage=verify] .hop-state{color:#27634f}
.request-preview .map-observation{margin-top:18px;min-height:45px;text-align:left;font-size:13px}
.request-preview .example-command{margin-top:17px}
.projects-section{padding-top:88px;padding-bottom:80px}
.certifications-section{background:#f6f8fa;border-block:1px solid var(--rule);padding-block:80px}
.certifications-section .heading-row{align-items:flex-end}.certifications-section .heading-row>p:last-child{max-width:420px;margin-bottom:3px}
.certification-providers{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:42px}
.certification-provider{--cert-color:#9c650c;display:grid;grid-template-columns:58px 1fr 18px;gap:17px;align-items:start;border-top:1px solid #cbd7dd;padding-top:24px;padding-bottom:25px;min-width:0}
.cert-gcp{--cert-color:#346cce}.cert-provider-mark{display:grid;place-items:center;width:58px;height:58px;border:1px solid #e6ddd0;background:#fff8ec;border-radius:12px}
.cert-gcp .cert-provider-mark{background:#edf3fc;border-color:#d7e1f4}.cert-provider-mark img{width:36px;height:36px}
.certification-provider h3{font-size:21px;font-weight:500;line-height:1.3;letter-spacing:-.035em}.certification-provider p{color:var(--muted);font-size:14px;line-height:1.6;margin-top:9px}
.cert-codes{display:block;color:var(--cert-color);font-size:11px;letter-spacing:.07em;font-weight:600;margin-top:14px}.cert-link-arrow{font-size:22px;color:var(--muted);transition:transform .2s}
.certification-provider:hover h3{color:var(--cert-color)}.certification-provider:hover .cert-link-arrow{transform:translate(2px,-2px)}
.exam-method{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:24px 0 0;border-top:1px solid #d7e1e6;margin-top:9px}.exam-method>div>span{font-size:11px;font-weight:600;letter-spacing:.09em;color:#526772}.exam-method p{font-size:15px;color:#344c57;line-height:1.6;margin-top:10px}
.exam-note{font-size:12px;color:var(--quiet);margin-top:26px}
.faq-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding-block:80px}.faq-section .section-heading h2{font-size:38px;max-width:300px}
.faq-list{border-top:1px solid var(--rule)}.faq-list details{border-bottom:1px solid var(--rule)}.faq-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:24px 0;font-size:16px;line-height:1.5;cursor:pointer}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:22px;font-weight:300;color:var(--muted);flex:none}.faq-list summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details p{font-size:15px;color:var(--muted);padding:0 30px 24px 0;max-width:580px}
@media(max-width:1100px){.certification-providers{gap:26px}.certification-provider{grid-template-columns:48px 1fr 17px;gap:13px}.cert-provider-mark{width:48px;height:48px}.cert-provider-mark img{width:32px;height:32px}.certification-provider h3{font-size:20px}.faq-section{gap:40px}.certifications-section .heading-row>p:last-child{max-width:360px}.request-path li{padding:12px;gap:10px}}
@media(max-width:800px){.certifications-section .heading-row{display:block}.certifications-section .heading-row>p:last-child{max-width:580px;margin-top:20px}.certification-providers{grid-template-columns:1fr;gap:8px;margin-top:30px}.certification-provider h3{font-size:23px}.certification-provider{grid-template-columns:58px 1fr 18px;gap:18px}.cert-provider-mark{width:58px;height:58px}.faq-section{grid-template-columns:1fr;gap:28px}.faq-section .section-heading h2{max-width:none}.request-path{max-width:560px;margin-inline:auto}.request-preview .lesson-explanation h3,.request-preview .lesson-explanation #lesson-copy,.request-preview .lesson-takeaway{min-height:0}.request-preview .map-observation{min-height:0}.request-preview .lesson-explanation h3{font-size:28px}}
@media(max-width:620px){.projects-section,.certifications-section,.faq-section{padding-block:60px}.certifications-section .section-heading h2{font-size:34px}.certification-provider{grid-template-columns:44px 1fr 17px;gap:13px;padding-block:22px}.cert-provider-mark{width:44px;height:44px;border-radius:9px}.cert-provider-mark img{width:29px;height:29px}.certification-provider h3{font-size:20px}.certification-provider p{font-size:14px}.exam-method{gap:19px;grid-template-columns:1fr;padding-top:24px}.exam-method>div{display:grid;grid-template-columns:118px 1fr;gap:15px;align-items:start}.exam-method>div>span{line-height:1.6}.exam-method p{margin:0;font-size:14px}.exam-note{margin-top:24px;font-size:12px}.faq-section .section-heading h2{font-size:34px}.faq-list summary{font-size:15px;padding-block:20px}.faq-list details p{font-size:14px}.request-path li{flex-wrap:wrap;gap:10px;padding:12px}.request-path strong{font-size:14px}.request-path li>div>span{font-size:12px}.hop-state{font-size:9px}.request-preview .lesson-figure{padding:24px 20px}.request-preview .example-command code{font-size:11px;overflow-wrap:anywhere}.request-preview .lesson-heading{align-items:center}.request-preview .lesson-label{font-size:11px}.request-preview .lesson-heading>a{font-size:12px}.inside-intro h2{font-size:34px}}
@media(max-width:360px){.request-path li{gap:8px}.hop-number{width:24px;height:24px}.hop-state{width:100%;padding-left:32px}.request-path li{min-height:90px}.certification-provider{gap:10px;grid-template-columns:38px 1fr 15px}.cert-provider-mark{width:38px;height:38px}.certification-provider h3{font-size:19px}.exam-method>div{grid-template-columns:104px 1fr;gap:10px}}

/* Feature-led showcase, in the approved V1 sequence. */
.feature-showcase{--feature-accent:#077f85;--feature-soft:#edf6f6;background:#fff;border:1px solid #cddade;border-radius:12px;overflow:hidden;box-shadow:0 14px 38px #17263004}
.feature-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid #d9e3e6;padding:0 20px;gap:10px}
.feature-tabs button{display:flex;align-items:center;justify-content:center;gap:10px;font-size:15px;padding:22px 8px;border:0;border-bottom:2px solid transparent;background:transparent;color:#5b6a73;line-height:1.5;min-height:68px}
.feature-tabs button>span{font-size:11px;color:#7b8a92;letter-spacing:.04em}.feature-tabs button[aria-selected=true]{color:var(--feature-accent);border-bottom-color:var(--feature-accent);font-weight:600}
.feature-showcase[data-feature=architecture]{--feature-accent:#b51e63;--feature-soft:#faf1f5}.feature-showcase[data-feature=visual]{--feature-accent:#326ca9;--feature-soft:#eff5fb}
.feature-body{display:grid;grid-template-columns:.88fr 1.12fr}.feature-copy{padding:42px 38px;display:flex;flex-direction:column}.feature-copy .eyebrow{color:var(--feature-accent);font-size:11px;min-height:17px}.feature-copy h3{font-size:32px;font-weight:500;letter-spacing:-.04em;line-height:1.2;margin:18px 0 20px;min-height:77px}.feature-copy>p:not(.eyebrow){font-size:16px;color:var(--muted);line-height:1.75;min-height:112px}.feature-outcome{border-top:1px solid var(--rule);padding-top:20px;margin-top:26px}.feature-outcome>span{font-size:10px;letter-spacing:.08em;font-weight:600;color:var(--quiet)}.feature-outcome p{font-size:15px;color:#334d57;margin-top:9px}.feature-copy .quiet-link{font-size:14px;margin-top:24px;color:var(--feature-accent)}
.feature-preview{background:var(--feature-soft);padding:34px;border-left:1px solid #d9e3e6;display:flex;align-items:center}.feature-preview>div{width:100%}.feature-preview [hidden],.exam-showcase [hidden]{display:none!important}
.preview-caption{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-bottom:22px;border-bottom:1px solid #cedee2;font-size:10px;letter-spacing:.07em;font-weight:600;color:var(--feature-accent)}.preview-caption>span:last-child{font-size:11px;letter-spacing:0;font-weight:400;color:#59717b}
.feature-preview h4{font-size:23px;letter-spacing:-.035em;font-weight:500;line-height:1.4;margin:24px 0}.interview-question{display:flex;gap:15px;padding:25px 0 15px;align-items:start}.interview-question h4{margin:0;font-size:23px}.question-mark{font-size:12px;font-weight:600;width:28px;height:28px;border-radius:6px;border:1px solid #bfd8dc;display:grid;place-items:center;flex:none;color:#076f76;background:#fff}
.answer-route>span,.tradeoff-pair>div>span{font-size:10px;letter-spacing:.08em;color:var(--feature-accent);font-weight:600}.answer-route{margin-top:13px}.answer-route ol{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:12px}.answer-route li{display:flex;gap:13px;align-items:baseline;font-size:14px;line-height:1.55;color:#36515d}.answer-route li>span{font-size:10px;color:#66818b}.interview-commands{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}.interview-commands code{font-size:11px;padding:8px 10px;background:white;border:1px solid #d1e0e2;border-radius:5px;color:#334952}.preview-footnote{font-size:12px;color:#536b76;border-top:1px solid #cddde1;padding-top:18px;margin-top:24px;line-height:1.7}
.architecture-flow{display:grid;grid-template-columns:1fr 16px 1fr 16px 1fr;gap:8px;align-items:center;margin-top:23px}.architecture-flow>div{background:#fff;border:1px solid #e7cfdb;border-radius:8px;padding:16px 8px;text-align:center;display:grid;gap:8px}.architecture-flow>div>span{font-size:10px;color:#ad3670}.architecture-flow strong{font-size:16px;font-weight:500}.architecture-flow small{font-size:11px;color:var(--muted);line-height:1.5}.architecture-flow>span{color:#ad3670;font-size:18px;text-align:center}.tradeoff-pair{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-top:28px}.tradeoff-pair p{font-size:13px;color:#4e5969;margin-top:9px;line-height:1.8}
.mental-model{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}.mental-model>div{background:#fff;border:1px solid #cddded;border-radius:8px;display:flex;flex-direction:column;gap:9px;padding:16px 12px;text-align:center}.mental-model>div>span{font-size:10px;color:#3472ae}.mental-model strong{font-size:14px;font-weight:500}.mental-model p{font-size:11px;color:var(--muted);line-height:1.6;min-height:35px}.mental-model code{font-size:11px;color:#326ca9;border-top:1px solid #dce7f2;padding-top:11px}.visual-comparisons{margin-top:24px;display:grid;gap:12px}.visual-comparisons p{display:flex;justify-content:space-between;gap:15px;font-size:12px;line-height:1.6}.visual-comparisons code{color:#29588a}.visual-comparisons span{color:#566e80}
/* A visible exam experience, with one focused preview and two provider entrances. */
.exam-showcase{display:grid;grid-template-columns:.85fr 1.15fr;border:1px solid #d2dce1;background:#fff;border-radius:12px;overflow:hidden;margin-top:40px;box-shadow:0 12px 30px #17263003}
.exam-explanation{padding:30px 34px;display:flex;flex-direction:column}.exam-mode-tabs{display:flex;gap:17px;border-bottom:1px solid var(--rule);margin-bottom:31px}.exam-mode-tabs button{font-size:14px;padding:8px 0 14px;min-height:44px;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--quiet)}.exam-mode-tabs button[aria-selected=true]{color:#0a717c;border-bottom-color:#0a717c;font-weight:600}.exam-explanation>.eyebrow{font-size:10px;color:#0a717c}.exam-explanation h3{font-size:31px;font-weight:500;letter-spacing:-.04em;line-height:1.2;margin:17px 0 18px;min-height:75px}.exam-explanation>p:not(.eyebrow){font-size:15px;color:var(--muted);line-height:1.75;min-height:106px}.exam-explanation ul{margin:21px 0 0;padding:0;list-style:none;display:grid;gap:11px}.exam-explanation li{font-size:13px;line-height:1.6;color:#365260;display:flex;gap:10px}.exam-explanation li:before{content:'✓';color:#0a7b7b;font-size:12px}.exam-explanation .exam-preview-label{min-height:0!important;font-size:12px!important;color:var(--quiet);margin-top:24px!important;border-top:1px solid var(--rule);padding-top:16px}
.exam-interface{border-left:1px solid #dce4e9;background:#f0f4f8;padding:30px}.exam-window-header{display:flex;justify-content:space-between;gap:15px;align-items:center;padding-bottom:20px;border-bottom:1px solid #cdd8e1}.exam-window-header>span:first-child{display:flex;align-items:center;gap:10px;font-size:12px;color:#445a6a}.exam-window-header img{width:26px;height:26px}.exam-mode-badge{font-size:10px;letter-spacing:.07em;color:#2d628a;padding:6px 9px;border:1px solid #ccdeea;border-radius:5px;background:#e5eff7;white-space:nowrap}
.sample-question,.sample-review{padding-top:24px;min-height:380px}.sample-meta{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:#586e80;line-height:1.5}.sample-meta>span:last-child{color:#2b6386;font-weight:600}.sample-question h4{font-size:22px;line-height:1.4;font-weight:500;letter-spacing:-.035em;margin:20px 0}.sample-options{display:grid;gap:10px}.sample-options>div{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #d5dfe7;border-radius:7px;padding:12px 14px;font-size:13px;line-height:1.5;color:#344655}.sample-options>div>span:first-child{width:22px;height:22px;display:grid;place-items:center;border:1px solid #d5e0e7;border-radius:50%;font-size:10px;flex:none;color:#71848e}.sample-options>div.sample-correct{border-color:#7eafa3;background:#edf7f2;color:#1c5847}.sample-check{margin-left:auto;color:#167259}.sample-answer{border-left:2px solid #34967b;padding-left:14px;margin-top:20px}.sample-answer>span{font-size:10px;color:#26705b;font-weight:600;letter-spacing:.07em}.sample-answer p{font-size:13px;color:#385c54;line-height:1.7;margin-top:6px}.sample-exam-footer{display:flex;align-items:center;gap:17px;margin-top:24px;padding-top:17px;border-top:1px solid #d0dce5;font-size:11px;color:#456679}.sample-exam-footer>span:first-child{margin-right:auto}.sample-exam-footer strong{font-weight:500;border:1px solid #c2d3de;border-radius:5px;padding:7px 10px;background:white}
.review-heading>span,.review-example>span{font-size:10px;font-weight:600;letter-spacing:.07em;color:#3a6484}.review-heading h4{font-size:26px;font-weight:500;letter-spacing:-.04em;line-height:1.25;margin:14px 0 25px}.review-actions{display:flex;gap:8px;flex-wrap:wrap;font-size:11px;color:#566a7a}.review-actions>span{padding:7px 10px;border:1px solid #d1dce4;border-radius:5px;background:#fff}.review-actions .review-active{color:#9d443c;border-color:#d9bdb8;background:#fff2ed}.review-example{border:1px solid #c9d8e4;background:#fff;border-radius:8px;margin-top:22px;padding:21px;display:grid;gap:12px}.review-example strong{font-size:15px;font-weight:500}.review-example p{font-size:13px;color:var(--muted);line-height:1.7}.review-features{display:flex;gap:20px;font-size:11px;color:#547086;margin-top:23px}
.certification-providers{margin-top:30px}.certifications-section .exam-note{margin-top:7px}
@media(max-width:1100px){.feature-copy{padding:33px 26px}.feature-preview{padding:28px}.feature-copy h3{font-size:29px}.feature-copy>p:not(.eyebrow){font-size:15px}.feature-tabs{padding:0 20px;gap:12px}.feature-tabs button{font-size:14px;gap:8px}.exam-explanation{padding:26px}.exam-interface{padding:26px}.exam-explanation h3{font-size:28px}.sample-options>div{font-size:12px}.mental-model{gap:8px}.mental-model>div{padding-inline:9px}.mental-model strong{font-size:13px}}
@media(max-width:800px){.feature-body,.exam-showcase{grid-template-columns:1fr}.feature-copy h3,.feature-copy>p:not(.eyebrow){min-height:0}.feature-copy{padding:32px}.feature-copy h3{font-size:31px}.feature-preview{border-left:0;border-top:1px solid #d9e3e6;padding:32px}.feature-copy .quiet-link{margin-top:19px}.feature-outcome{margin-top:20px}.exam-interface{border-left:0;border-top:1px solid #dce4e9;padding:30px}.exam-explanation{padding:30px}.exam-explanation h3,.exam-explanation>p{min-height:0!important}.sample-question,.sample-review{min-height:370px}.sample-options>div{font-size:14px}.feature-tabs button{font-size:14px}.feature-tabs button>span{display:none}}
@media(max-width:620px){.features-section .inside-intro h2{font-size:34px}.feature-tabs{padding:0 14px;gap:6px}.feature-tabs button{font-size:12px;padding:15px 3px;min-height:68px;line-height:1.5}.feature-copy,.feature-preview{padding:25px 22px}.feature-copy h3{font-size:29px}.feature-copy>p:not(.eyebrow){font-size:15px}.feature-copy .eyebrow{font-size:10px}.preview-caption{font-size:9px;gap:15px;padding-bottom:18px}.preview-caption>span:last-child{font-size:10px}.interview-question h4{font-size:21px}.interview-question{gap:10px}.question-mark{width:24px;height:24px}.answer-route li{font-size:13px}.interview-commands{gap:6px}.interview-commands code{font-size:10px;padding:7px 8px}.feature-preview h4{font-size:21px}.architecture-flow{gap:5px;grid-template-columns:1fr 12px 1fr 12px 1fr}.architecture-flow>div{padding:14px 5px}.architecture-flow strong{font-size:13px}.architecture-flow small{font-size:10px}.tradeoff-pair{gap:16px}.tradeoff-pair>div>span{font-size:9px;line-height:1.5;display:block}.tradeoff-pair p{font-size:12px}.mental-model{gap:7px}.mental-model>div{padding:14px 6px}.mental-model strong{font-size:12px}.mental-model p{font-size:10px}.mental-model code{font-size:10px}.visual-comparisons p{font-size:11px;gap:9px}.visual-comparisons span{max-width:126px;text-align:right}.exam-showcase{margin-top:30px}.exam-explanation{padding:25px 22px}.exam-mode-tabs{gap:20px;margin-bottom:26px}.exam-mode-tabs button{font-size:13px}.exam-explanation h3{font-size:29px}.exam-explanation>p{font-size:15px}.exam-interface{padding:23px 20px}.exam-window-header{gap:10px}.exam-window-header>span:first-child{font-size:10px;gap:8px}.exam-mode-badge{font-size:9px;padding:5px 7px}.sample-meta{font-size:10px;gap:12px}.sample-question h4{font-size:21px}.sample-options>div{font-size:12px;padding:12px 10px;gap:9px}.sample-exam-footer{font-size:10px;gap:10px}.sample-exam-footer strong{padding:6px 8px}.review-heading h4{font-size:25px}.review-example{padding:18px}.review-features{font-size:10px;gap:15px}.certification-provider h3{font-size:20px}.certification-providers{margin-top:25px}}
@media(max-width:360px){.feature-tabs{padding-inline:9px}.feature-tabs button{font-size:11px}.feature-copy,.feature-preview{padding-inline:18px}.feature-copy h3{font-size:27px}.preview-caption{font-size:8px}.preview-caption>span:last-child{font-size:9px}.mental-model{grid-template-columns:1fr;gap:9px}.mental-model>div{display:grid;grid-template-columns:18px 1fr auto;align-items:center;padding:12px;text-align:left}.mental-model p{display:none}.mental-model code{border:0;padding:0}.architecture-flow{grid-template-columns:1fr}.architecture-flow>span{transform:rotate(90deg)}.architecture-flow>div{display:grid;grid-template-columns:18px 1fr 1fr;align-items:center;text-align:left;padding:12px}.exam-mode-tabs{gap:15px}.exam-interface{padding:20px 16px}.exam-window-header>span:first-child{font-size:9px}.sample-options>div{font-size:11px}.sample-exam-footer{flex-wrap:wrap}.sample-exam-footer>span:first-child{width:100%}}

/* Four learning stories: restrained automatic motion and an actual lesson image. */
.features-section .inside-intro{display:grid;grid-template-columns:1.3fr .9fr;gap:50px}
.features-section .inside-intro>p{max-width:400px}
.feature-tabs button{position:relative;border-bottom:0;font-size:14px;gap:8px}
.feature-tabs button::after{content:'';position:absolute;bottom:0;left:8px;right:8px;height:2px;background:var(--feature-accent);transform:scaleX(0);transform-origin:left}
.feature-tabs button[aria-selected=true]::after{transform:scaleX(1)}
.feature-showcase[data-playing=true] .feature-tabs button[aria-selected=true]::after{animation:feature-reading-progress 5s linear both}
.feature-showcase[data-feature=cases]{--feature-accent:#665247;--feature-soft:#f7f5f2}
.feature-body{min-height:600px}
.feature-preview>div{min-height:432px}
.feature-copy .feature-outcome{margin-top:auto;padding-top:22px}
.feature-copy>p:not(.eyebrow){margin-bottom:25px}
.company-case-list{display:grid;margin-top:14px}
.company-case-list>a{display:grid;grid-template-columns:30px 1fr 14px;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid #e0dbd5;min-height:108px}
.company-case-list>a:last-child{border:0;padding-bottom:6px}
.company-case-list img{object-fit:contain;width:30px;height:30px}
.company-case-list a>div>span{font-size:9px;font-weight:600;letter-spacing:.08em;color:#786457}
.company-case-list strong{display:block;font-size:16px;line-height:1.4;font-weight:500;letter-spacing:-.025em;margin-top:5px}
.company-case-list p{font-size:12px;color:#5b6a72;line-height:1.6;margin-top:5px}
.company-case-list a>span{font-size:17px;color:#776458;transition:transform .2s}
.company-case-list a:hover>span{transform:translate(2px,-2px)}
.company-case-list a:hover strong{color:#82624b}
.cases-preview .preview-footnote{border-top:1px solid #ded8d1;margin-top:18px}
.infographic-example{margin:22px 0 18px}
.infographic-example>button{position:relative;display:block;width:100%;max-width:548px;margin-inline:auto;border:1px solid #c7d9e8;border-radius:7px;padding:0;background:white;overflow:hidden;box-shadow:0 8px 20px #263f5710}
.infographic-example img{width:100%;height:auto;display:block;transition:filter .2s}
.infographic-example>button:hover img{filter:brightness(.97)}
.infographic-enlarge{position:absolute;right:10px;bottom:10px;width:28px;height:28px;border:1px solid #c4d4e2;border-radius:5px;background:#fff;color:#295c8c;display:grid;place-items:center;font-size:18px;box-shadow:0 2px 8px #18334c12}
.infographic-example figcaption{display:grid;gap:6px;margin-top:16px}
.infographic-example figcaption strong{font-size:21px;font-weight:500;letter-spacing:-.035em;line-height:1.3}
.infographic-example figcaption>span{font-size:13px;color:#526e83;line-height:1.7}
.infographic-detail{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:18px;border-top:1px solid #ccddeb}
.infographic-detail>span{font-size:10px;color:#61798b;letter-spacing:.015em}
.infographic-detail>button{border:0;background:transparent;color:#326ca9;font-size:12px;padding:6px 0;gap:10px}
.infographic-dialog{width:calc(100% - 48px);max-width:1500px;max-height:calc(100dvh - 48px);margin:auto;padding:24px;border:1px solid #cddbe4;border-radius:12px;box-shadow:0 24px 100px #11182038;background:#f8fafc;color:#111820;overflow:auto}
.infographic-dialog::backdrop{background:#12202d70;backdrop-filter:blur(5px)}
.infographic-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:20px}
.infographic-dialog-header>div>span{font-size:10px;color:#4b6376;letter-spacing:.08em}
.infographic-dialog-header h2{font-size:24px;font-weight:500;line-height:1.4;letter-spacing:-.035em;margin-top:8px}
.infographic-close{width:38px;height:38px;flex:none;border:1px solid #d4dfe6;border-radius:6px;font-size:25px;background:white;color:#465d6a}
.infographic-full-image{overflow:auto;max-height:65dvh;border:1px solid #d3e0eb;border-radius:7px;background:#fff}
.infographic-full-image img{width:100%;min-width:1000px;height:auto;display:block}
.infographic-dialog-note{display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#536c7b;margin-top:18px;line-height:1.7}
.infographic-dialog-note a{color:#326ca9}
body:has(.infographic-dialog[open]){overflow:hidden}
@keyframes feature-reading-progress{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media(max-width:1100px){.feature-tabs button{font-size:13px}.feature-tabs button>span{font-size:10px}.company-case-list>a{gap:12px}.company-case-list strong{font-size:15px}}
@media(max-width:800px){.features-section .inside-intro{grid-template-columns:1fr;gap:20px}.features-section .inside-intro>p{max-width:580px}.feature-body{min-height:0}.feature-copy{min-height:390px}.feature-preview{min-height:480px}.feature-preview>div{min-height:410px}.feature-tabs{grid-template-columns:repeat(2,1fr);gap:0 16px;padding:0 20px}.feature-tabs button{min-height:58px}.feature-tabs button>span{display:inline}.feature-copy .feature-outcome{margin-top:auto}.infographic-example{max-width:620px;margin-inline:auto}.feature-preview:has(.visual-preview:not([hidden])){align-items:center}}
@media(max-width:620px){.feature-tabs{padding-inline:12px;gap:0 8px}.feature-tabs button{font-size:12px;padding:13px 4px;min-height:59px;gap:6px}.feature-tabs button>span{display:none}.feature-copy{min-height:415px}.feature-preview{min-height:530px}.feature-preview>div{min-height:0}.company-case-list>a{min-height:107px;gap:12px;grid-template-columns:26px 1fr 12px;padding:17px 0}.company-case-list img{width:26px;height:26px}.company-case-list strong{font-size:15px}.company-case-list p{font-size:12px}.infographic-example{margin-top:24px}.infographic-example figcaption strong{font-size:21px}.infographic-detail{align-items:start;flex-direction:column;gap:8px}.infographic-detail>button{font-size:13px}.infographic-dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px);padding:16px;border-radius:9px}.infographic-dialog-header h2{font-size:20px}.infographic-dialog-header>div>span{font-size:8px}.infographic-dialog-note{flex-direction:column;gap:8px}.infographic-dialog-header{gap:12px}}
@media(max-width:360px){.feature-tabs button{font-size:11px}.feature-copy{min-height:440px}.feature-preview{min-height:530px}.company-case-list strong{font-size:14px}.company-case-list>a{gap:9px}.company-case-list a>div>span{font-size:8px}.company-case-list p{font-size:11px}}
@media(prefers-reduced-motion:reduce){.feature-showcase[data-playing=true] .feature-tabs button[aria-selected=true]::after{animation:none}}
/* Hold the reading area steady as the stories advance on smaller screens. */
@media(max-width:800px){.feature-copy{min-height:500px}.feature-preview{min-height:600px}}
@media(max-width:620px){.feature-copy{min-height:565px}.feature-preview{min-height:570px}}
@media(max-width:360px){.feature-copy{min-height:650px}.feature-preview{min-height:630px}}

/* Five-second previews share a restrained progress treatment. */
.infographic-topics{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}
.infographic-topics button{border:1px solid transparent;border-radius:4px;padding:7px 11px;min-height:36px;background:transparent;color:#60788a;font-size:11px;letter-spacing:.02em;transition:background .2s,color .2s}
.infographic-topics button[aria-pressed=true]{border-color:#bdd1e3;background:#fff;color:#2d65a0;font-weight:600}
.infographic-topics button:hover{background:#ffffffa6;color:#2d65a0}
.visual-preview .infographic-example{margin-top:16px}
.visual-preview figcaption{min-height:88px}
.exam-mode-tabs button{position:relative;border-bottom:0}
.exam-mode-tabs button::after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:#0a717c;transform:scaleX(0);transform-origin:left}
.exam-mode-tabs button[aria-selected=true]::after{transform:scaleX(1)}
.exam-showcase[data-playing=true] .exam-mode-tabs button[aria-selected=true]::after{animation:feature-reading-progress 5s linear both}
.cert-exam-count{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:14px;color:var(--cert-color);font-size:12px}
.cert-exam-count strong{font-weight:600}.cert-exam-count>span{color:var(--muted);font-size:11px}
@media(prefers-reduced-motion:reduce){.exam-showcase[data-playing=true] .exam-mode-tabs button::after{animation:none}}
@media(max-width:620px){.infographic-topics{gap:4px}.infographic-topics button{padding:7px 9px}.cert-exam-count{gap:7px 12px}}

@media(min-width:801px){.feature-body{min-height:680px}}

@media(max-width:800px){.exam-explanation{min-height:600px}.exam-interface{min-height:540px}}
@media(max-width:620px){.exam-explanation{min-height:620px}}
@media(max-width:380px){.exam-explanation{min-height:700px}}

/* Keep the expanded topic selector steady on mobile. */
@media(max-width:620px){.feature-preview{min-height:600px}}
@media(max-width:360px){.feature-preview{min-height:630px}}

/* Richer feature accents and familiar path marks, October 2. */
.feature-showcase[data-feature=architecture]{--feature-accent:#087f5b;--feature-soft:#e0f1e8}
.feature-showcase[data-feature=visual]{--feature-accent:#235ea2;--feature-soft:#e2eefb}
.feature-showcase[data-feature=cases]{--feature-accent:#75503b;--feature-soft:#eee5dd}
.feature-showcase[data-feature=interview]{--feature-accent:#006f77;--feature-soft:#dff0ef}
.feature-preview{border-left-color:color-mix(in srgb,var(--feature-accent) 25%,#fff)}
.feature-tabs button[aria-selected=true]{background:transparent}
.feature-tab-icon{width:19px;height:19px;object-fit:contain;flex:none}
.architecture-flow>div{border-color:#dba6bf;box-shadow:0 2px 8px #9d245609}
.company-case-list>a{border-color:#d2bcac}
.infographic-topics button{display:inline-flex;align-items:center;justify-content:center;gap:6px;color:#415f7b;padding:7px 9px}
.infographic-topics button img{width:18px;height:18px;object-fit:contain;flex:none}
.infographic-topics button[aria-pressed=true]{border-color:#5992cb;background:#fff;box-shadow:0 2px 6px #235ea20c;color:#1c5696}
.brand-aws{color:#ff9900}
.brand-google{white-space:nowrap}
.google-blue{color:#4285f4}.google-red{color:#ea4335}.google-yellow{color:#fbbc05}.google-green{color:#34a853}
@media(max-width:1100px){.feature-tabs button{gap:6px}.feature-tab-icon{width:17px;height:17px}.feature-tabs button>span{display:none}}
@media(max-width:620px){.feature-tab-icon{width:16px;height:16px}.feature-tabs button{gap:5px}.infographic-topics button{padding:6px 7px;font-size:10px}.infographic-topics button img{width:16px;height:16px}}

/* Green architecture showcase. */
.feature-showcase[data-feature=architecture] .architecture-flow>div{border-color:#9ecab4;box-shadow:0 2px 8px #087f5b09}
.feature-showcase[data-feature=architecture] .architecture-flow>div>span,.feature-showcase[data-feature=architecture] .architecture-flow>span{color:var(--feature-accent)}

/* Persistent light/dark theme; lesson images retain their original colors. */
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;flex:none;min-height:40px;padding:8px 11px;border:1px solid var(--rule);border-radius:8px;background:transparent;color:var(--ink);font-size:12px;cursor:pointer}
.theme-toggle:hover{background:var(--soft)}
.theme-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.theme-sun{display:none}
html[data-theme=dark] .theme-moon{display:none}
html[data-theme=dark] .theme-sun{display:block}
html[data-theme=dark]{color-scheme:dark;--ink:#edf3f6;--muted:#b0bec8;--quiet:#9aadb9;--rule:#2c3b45;--soft:#141e26;--accent:#64cbbf;--accent-soft:#19332f;--surface:#10171d;--panel:#19252e}
html[data-theme=dark] body{background:var(--surface)}
html[data-theme=dark] .site-header{background:rgba(16,23,29,.95)}
html[data-theme=dark] .brand img{filter:invert(1)}
html[data-theme=dark] .identity-core,html[data-theme=dark] .identity-horizon{fill:var(--ink)}
html[data-theme=dark] .button-primary,html[data-theme=dark] .skip-link{color:#10171d}
html[data-theme=dark] .button-primary:hover{background:#cddde5}
html[data-theme=dark] :is(.feature-showcase,.lesson-preview,.project-item,.exam-showcase,.menu-button,.infographic-dialog){background:var(--surface);border-color:var(--rule);color:var(--ink)}
html[data-theme=dark] :is(.lesson-figure,.exam-interface,.certifications-section){background:var(--soft)}
html[data-theme=dark] .feature-showcase[data-feature=architecture]{--feature-accent:#67d5a6;--feature-soft:#17352c}
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html[data-theme=dark] .feature-showcase[data-feature=cases]{--feature-accent:#dfb494;--feature-soft:#322922}
html[data-theme=dark] .feature-showcase[data-feature=interview]{--feature-accent:#6ed2d6;--feature-soft:#173438}
html[data-theme=dark] .feature-preview{border-color:var(--rule)}
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html[data-theme=dark] :is(.preview-caption,.preview-footnote,.company-case-list>a,.sample-exam-footer,.interview-commands code,.mental-model code){border-color:var(--rule)}
html[data-theme=dark] .feature-tabs button[aria-selected=true]{color:var(--feature-accent);background:transparent}
html[data-theme=dark] .infographic-topics button[aria-pressed=true]{background:#243d59;color:#c0deff;border-color:#668db5}
html[data-theme=dark] .infographic-topics button:hover{background:#29425d;color:#c0deff}
html[data-theme=dark] :is(.infographic-detail>button,.infographic-dialog-note a,.visual-comparisons code,.mental-model code,.review-heading>span,.review-example>span,.sample-meta>span:last-child){color:#8dbcf6}
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html[data-theme=dark] :is(.sample-options>div.sample-correct,.map-target,.lesson-takeaway){background:#193b30;border-color:#4e8f78;color:#b4ebd2}
html[data-theme=dark] :is(.sample-answer p,.sample-answer>span,.sample-check,.map-target .target-route){color:#8dd7b4}
html[data-theme=dark] :is(.map-target.canary,.example-command,.exam-mode-badge,.reliability-decision){background:#233b55;border-color:#557899;color:#bfdbf6}
html[data-theme=dark] .map-target.canary .target-route{color:#9ac7f9}
html[data-theme=dark] :is(.review-actions .review-active,.delivery-versions>div:last-child,.release-map[data-stage=failure] .canary){background:#432923;border-color:#975b51;color:#f0b7a7}
html[data-theme=dark] .release-map[data-stage=rollback] .canary{background:var(--panel);border-color:var(--rule)}
html[data-theme=dark] .recovery-proof{color:#efb895;border-color:#775841}
html[data-theme=dark] .project-delivery{--project-color:#f38f85;--project-tint:#3b2526}
html[data-theme=dark] .project-reliability{--project-color:#8fbaf4;--project-tint:#20324b}
html[data-theme=dark] .project-recovery{--project-color:#efb089;--project-tint:#3b2c23}
html[data-theme=dark] .track{--track-tint:color-mix(in srgb,var(--track-color) 16%,#162129)}
html[data-theme=dark] .topic-count{color:color-mix(in srgb,var(--track-color) 65%,#fff)}
html[data-theme=dark] .certification-provider{--cert-color:#ffc16b;border-color:var(--rule)}
html[data-theme=dark] .cert-gcp{--cert-color:#8fbaff}
html[data-theme=dark] .cert-provider-mark{background:#362e20;border-color:#645139}
html[data-theme=dark] .cert-gcp .cert-provider-mark{background:#20324b;border-color:#3e5b83}
html[data-theme=dark] .path-filters button[aria-pressed=true]{background:var(--panel);border-color:var(--rule)}
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@media(max-width:620px){.theme-toggle{margin-left:auto}.menu-button{margin-left:0}}