.is-case{--is-bg:#0f1419;--is-bg-alt:#121820;--is-card:rgba(255, 255, 255, 0.04);--is-border:rgba(255, 255, 255, 0.08);--is-accent:#64748b;--is-accent-dark:#334155;--is-accent-soft:rgba(100, 116, 139, 0.15);--is-text:#f1f5f9;--is-muted:#c9ceda;background:var(--is-bg);color:var(--is-text)}[data-theme="light"] .is-case{--is-bg:#f7f8f9;--is-bg-alt:#eef1f4;--is-card:#fff;--is-border:rgba(100, 116, 139, 0.15);--is-text:#1e293b;--is-muted:#64748b}.is-container{max-width:var(--layout-max-width);margin:0 auto;padding:0 var(--layout-pad-x);box-sizing:border-box}.is-hero{position:relative;overflow:hidden;padding:3rem var(--layout-pad-x) 4rem;background:radial-gradient(ellipse 70% 60% at 80% 20%,rgb(100 116 139 / .2) 0%,transparent 55%),radial-gradient(ellipse 50% 40% at 10% 80%,rgb(90 95 202 / .12) 0%,transparent 50%),linear-gradient(160deg,#0f1419 0%,#0d1a12 45%,#0a120e 100%)}.is-hero-inner{max-width:var(--layout-max-width);margin:0 auto;display:grid;gap:2.5rem;align-items:center}@media (min-width:960px){.is-hero-inner{grid-template-columns:1fr 1fr;gap:3rem}}.is-back-link{display:inline-block;margin-bottom:1rem;color:rgb(255 255 255 / .7);font-size:.9rem;font-weight:600;text-decoration:none}.is-back-link:hover{color:#fff;text-decoration:underline}.is-status-badge{display:inline-block;margin-bottom:.75rem;padding:.3rem .85rem;border-radius:9999px;background:rgb(100 116 139 / .15);border:1px solid rgb(100 116 139 / .4);color:#a5d6a7;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.is-kicker{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:rgb(255 255 255 / .65);margin:0 0 .75rem}.is-hero-title{font-size:clamp(2.25rem, 5vw, 3rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;margin:0 0 .75rem;color:#fff}.is-hero-subtitle{font-size:1.1rem;line-height:1.55;color:rgb(255 255 255 / .88);margin:0 0 1.25rem;max-width:34rem}.is-pills{display:flex;flex-wrap:wrap;gap:.45rem;list-style:none;margin:0 0 1.25rem;padding:0}.is-pills li{padding:.35rem .8rem;border-radius:9999px;background:rgb(255 255 255 / .08);border:1px solid rgb(255 255 255 / .12);font-size:.75rem;font-weight:600;color:rgb(255 255 255 / .9)}.is-hero-intro{font-size:.95rem;line-height:1.7;color:rgb(255 255 255 / .72);margin:0 0 1rem;max-width:36rem}.is-hero-intro--secondary{opacity:.88;margin-bottom:1.5rem}.is-hero-actions{display:flex;flex-wrap:wrap;gap:.65rem}.is-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.65rem 1.25rem;border-radius:9999px;font-weight:600;font-size:.9rem;text-decoration:none;transition:background 0.2s,transform 0.15s;border:1px solid #fff0}.is-btn--primary{background:var(--is-accent);color:#fff}.is-btn--primary:hover{background:var(--is-accent-dark);color:#fff;transform:translateY(-1px)}.is-btn--ghost{background:rgb(255 255 255 / .08);color:#fff;border-color:rgb(255 255 255 / .2)}.is-btn--on-accent.is-btn--primary{background:#fff;color:var(--is-accent-dark)}.is-btn--on-accent.is-btn--ghost{background:rgb(255 255 255 / .12);color:#fff;border-color:rgb(255 255 255 / .35)}.is-hero-visual{position:relative;min-height:300px}.is-mockup-desktop{border-radius:.75rem;overflow:hidden;box-shadow:0 24px 64px rgb(0 0 0 / .45);position:relative;z-index:2}.is-mockup-desktop img{display:block;width:100%;height:auto}.is-float-card{position:absolute;padding:.45rem .85rem;border-radius:9999px;background:rgb(255 255 255 / .95);color:var(--is-accent-dark);font-size:.72rem;font-weight:700;box-shadow:0 8px 24px rgb(0 0 0 / .2);z-index:3}.is-float-card--1{top:5%;right:0;transform:rotate(3deg)}.is-float-card--2{top:35%;left:-5%;transform:rotate(-4deg)}.is-float-card--3{bottom:25%;right:-3%;transform:rotate(2deg)}.is-float-card--4{bottom:8%;left:8%;transform:rotate(-2deg)}.is-section{padding:4rem 0}.is-section:nth-child(even){background:var(--is-bg-alt)}.is-section-title{font-size:clamp(1.5rem, 3vw, 2rem);font-weight:800;letter-spacing:-.02em;margin:0 0 1rem;color:var(--is-text)}.is-section-lead{font-size:1.05rem;line-height:1.7;color:var(--is-muted);margin:0 0 2rem;max-width:42rem}.is-section-lead--center{margin-left:auto;margin-right:auto;text-align:center}.is-section-lead--sub{margin-top:-1rem;margin-bottom:2rem;font-size:.98rem}.is-summary-grid{display:grid;gap:1rem}@media (min-width:640px){.is-summary-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.is-summary-grid{grid-template-columns:repeat(4,1fr)}}.is-summary-item{padding:1.25rem;border-radius:.85rem;background:var(--is-card);border:1px solid var(--is-border)}.is-summary-label{display:block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--is-accent);margin-bottom:.4rem}.is-summary-value{font-size:.95rem;line-height:1.5;font-weight:600;margin:0;color:var(--is-text)}.is-why-grid{display:grid;gap:2rem;align-items:start}@media (min-width:768px){.is-why-grid{grid-template-columns:1.2fr 0.8fr;gap:3rem}}.is-why-text h2{font-size:1.75rem;font-weight:800;margin:0 0 1rem}.is-why-text p{font-size:1rem;line-height:1.75;color:var(--is-muted);margin:0}.is-quote-card{margin:0;padding:1.75rem;border-radius:1rem;background:linear-gradient(165deg,var(--is-card) 0%,rgb(100 116 139 / .08) 100%);border:1px solid var(--is-border)}.is-quote-card p{font-size:1.15rem;font-weight:600;line-height:1.55;margin:0;color:var(--is-text)}.is-why-text p{font-size:1rem;line-height:1.75;color:var(--is-muted);margin:0 0 1rem}.is-why-text p:last-child{margin-bottom:0}.is-objectives-grid{display:grid;gap:1rem}@media (min-width:640px){.is-objectives-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.is-objectives-grid{grid-template-columns:repeat(3,1fr)}}.is-objective-card{padding:1.25rem;border-radius:.85rem;background:var(--is-card);border:1px solid var(--is-border)}.is-objective-card h3{font-size:.95rem;font-weight:700;margin:0 0 .35rem;color:var(--is-accent)}.is-objective-card p{font-size:.88rem;line-height:1.55;color:var(--is-muted);margin:0}.is-modules-grid{display:grid;gap:1rem}@media (min-width:640px){.is-modules-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.is-modules-grid{grid-template-columns:repeat(3,1fr)}}.is-module-card{padding:1.5rem;border-radius:1rem;background:var(--is-card);border:1px solid var(--is-border);transition:border-color 0.2s,transform 0.2s}.is-module-card:hover{border-color:rgb(100 116 139 / .35);transform:translateY(-2px)}.is-module-card h3{font-size:1rem;font-weight:800;margin:0 0 .5rem;color:var(--is-text)}.is-module-card p{font-size:.9rem;line-height:1.65;color:var(--is-muted);margin:0}.is-focus--alt{background:var(--is-bg-alt)}.is-focus-grid{display:grid;gap:2.5rem;align-items:start}@media (min-width:960px){.is-focus-grid{grid-template-columns:1.1fr 0.9fr}.is-focus-grid--reverse{grid-template-columns:0.9fr 1.1fr}.is-focus-grid--reverse .is-focus-text{order:1}.is-focus-grid--reverse .is-focus-visual{order:2}}.is-focus-visual img{display:block;width:100%;height:auto;border-radius:.85rem;box-shadow:0 16px 48px rgb(0 0 0 / .2);border:1px solid var(--is-border)}.is-focus-text h2{font-size:1.5rem;font-weight:800;margin:0 0 .75rem;color:var(--is-text)}.is-focus-text p{font-size:.95rem;line-height:1.7;color:var(--is-muted);margin:0 0 1.25rem}.is-check-list{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}.is-check-list li{position:relative;padding-left:1.35rem;font-size:.9rem;line-height:1.55;color:var(--is-text)}.is-check-list li::before{content:'✓';position:absolute;left:0;color:var(--is-accent);font-weight:700}.is-existing-grid{display:grid;gap:1rem}@media (min-width:640px){.is-existing-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.is-existing-grid{grid-template-columns:repeat(4,1fr)}}.is-existing-card{padding:1.25rem;border-radius:.85rem;background:linear-gradient(165deg,var(--is-card) 0%,rgb(100 116 139 / .06) 100%);border:1px solid var(--is-border)}.is-existing-card h3{font-size:.92rem;font-weight:800;margin:0 0 .35rem;color:var(--is-accent)}.is-existing-card p{font-size:.82rem;line-height:1.55;color:var(--is-muted);margin:0}.is-lab-grid{display:grid;gap:1rem}@media (min-width:640px){.is-lab-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:900px){.is-lab-grid{grid-template-columns:repeat(3,1fr)}}.is-lab-card{padding:1.5rem;border-radius:1rem;background:var(--is-card);border:1px solid var(--is-border)}.is-lab-card h3{font-size:1rem;font-weight:700;margin:0 0 .4rem;color:var(--is-text)}.is-lab-card p{font-size:.9rem;line-height:1.6;color:var(--is-muted);margin:0}.is-stack-grid{display:grid;gap:2.5rem;align-items:start}@media (min-width:768px){.is-stack-grid{grid-template-columns:1.2fr 0.8fr}}.is-stack-text h2{font-size:1.75rem;font-weight:800;margin:0 0 1rem;color:var(--is-text)}.is-stack-text>p{font-size:1rem;line-height:1.75;color:var(--is-muted);margin:0 0 1.5rem}.is-stack-subtitle{font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--is-accent);margin:0 0 .75rem}.is-stack-features{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}.is-stack-features li{font-size:.88rem;color:var(--is-muted);padding-left:1.1rem;position:relative}.is-stack-features li::before{content:'·';position:absolute;left:0;color:var(--is-accent);font-weight:700}.is-stack-list{list-style:none;margin:0;padding:1.5rem;border-radius:1rem;background:var(--is-card);border:1px solid var(--is-border);display:grid;gap:.5rem}.is-stack-list li{font-size:.9rem;font-weight:600;color:var(--is-text);padding-left:1.25rem;position:relative}.is-stack-list li::before{content:'▸';position:absolute;left:0;color:var(--is-accent)}.is-concept-grid{display:grid;gap:1rem;margin-bottom:2rem}@media (min-width:640px){.is-concept-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.is-concept-grid{grid-template-columns:repeat(3,1fr)}}.is-concept-card{padding:1.25rem;border-radius:.85rem;background:var(--is-card);border:1px solid var(--is-border)}.is-concept-card h3{font-size:.95rem;font-weight:700;margin:0 0 .35rem;color:var(--is-accent)}.is-concept-card p{font-size:.88rem;line-height:1.55;color:var(--is-muted);margin:0}.is-learning-flow{display:flex;flex-wrap:wrap;gap:.65rem;justify-content:center}.is-learning-step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:.85rem 1rem;border-radius:.75rem;background:var(--is-accent-soft);border:1px solid rgb(100 116 139 / .25);min-width:120px;flex:1 1 120px;max-width:160px}.is-learning-step strong{font-size:.85rem;color:var(--is-accent);margin-bottom:.2rem}.is-learning-step span{font-size:.78rem;color:var(--is-muted);line-height:1.4}.is-sandbox-grid{display:grid;gap:1rem}@media (min-width:640px){.is-sandbox-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:900px){.is-sandbox-grid{grid-template-columns:repeat(3,1fr)}}.is-sandbox-card{padding:1.5rem;border-radius:1rem;background:var(--is-card);border:1px solid var(--is-border)}.is-sandbox-card h3{font-size:1rem;font-weight:700;margin:0 0 .4rem;color:var(--is-text)}.is-sandbox-card p{font-size:.9rem;line-height:1.6;color:var(--is-muted);margin:0}.is-architecture-grid{display:grid;gap:2.5rem;align-items:start}@media (min-width:768px){.is-architecture-grid{grid-template-columns:1fr 1fr}}.is-architecture-text h2{font-size:1.75rem;font-weight:800;margin:0 0 1rem}.is-architecture-text p{font-size:1rem;line-height:1.75;color:var(--is-muted);margin:0}.is-tree{padding:1.5rem;border-radius:1rem;background:var(--is-card);border:1px solid var(--is-border);font-family:ui-monospace,monospace;font-size:.85rem}.is-tree-root{font-weight:700;color:var(--is-accent);margin-bottom:.75rem;padding-bottom:.75rem;border-bottom:1px dashed var(--is-border)}.is-tree-branches{list-style:none;margin:0;padding:0}.is-tree-branches li{position:relative;padding:.35rem 0 .35rem 1.25rem;color:var(--is-muted)}.is-tree-branches li::before{content:'├──';position:absolute;left:0;color:var(--is-accent);opacity:.6}.is-tree-branches li:last-child::before{content:'└──'}.is-ux-grid{display:grid;gap:1.25rem}@media (min-width:768px){.is-ux-grid{grid-template-columns:repeat(3,1fr)}}.is-ux-card{padding:1.5rem;border-radius:1rem;background:var(--is-card);border:1px solid var(--is-border);text-align:center}.is-ux-card h3{font-size:1.1rem;font-weight:800;margin:0 0 .5rem;color:var(--is-accent)}.is-ux-card p{font-size:.9rem;line-height:1.6;color:var(--is-muted);margin:0}.is-formats-grid{display:grid;gap:.75rem;grid-template-columns:repeat(2,1fr)}@media (min-width:640px){.is-formats-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width:900px){.is-formats-grid{grid-template-columns:repeat(4,1fr)}}.is-format-card{padding:1rem;border-radius:.75rem;background:var(--is-card);border:1px solid var(--is-border);text-align:center;transition:border-color 0.2s}.is-format-card:hover{border-color:rgb(100 116 139 / .4)}.is-format-card h3{font-size:.88rem;font-weight:700;margin:0;color:var(--is-text)}.is-challenge{background:radial-gradient(ellipse 60% 50% at 50% 0%,rgb(100 116 139 / .1) 0%,transparent 60%),var(--is-bg-alt)}.is-challenge-grid{display:grid;gap:1rem}@media (min-width:768px){.is-challenge-grid{grid-template-columns:repeat(3,1fr)}}.is-challenge-card{padding:1.5rem;border-radius:1rem;background:rgb(0 0 0 / .2);border:1px solid var(--is-border)}[data-theme="light"] .is-challenge-card{background:var(--is-card)}.is-challenge-card h3{font-size:1rem;font-weight:700;margin:0 0 .5rem;color:var(--is-accent)}.is-challenge-card p{font-size:.9rem;line-height:1.6;color:var(--is-muted);margin:0}.is-skills-list{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;margin:0;padding:0}.is-skills-list li{padding:.5rem 1rem;border-radius:9999px;background:var(--is-accent-soft);border:1px solid rgb(100 116 139 / .25);font-size:.85rem;font-weight:600;color:var(--is-text)}.is-gallery-grid{display:grid;gap:1rem;grid-template-columns:1fr}@media (min-width:768px){.is-gallery-grid{grid-template-columns:1.4fr 1fr;grid-template-rows:auto auto}.is-gallery-item--large:first-of-type{grid-row:span 2}}.is-gallery-frame{border-radius:.85rem;overflow:hidden;background:var(--is-card);border:1px solid var(--is-border);box-shadow:0 8px 32px rgb(0 0 0 / .12)}.is-gallery-frame img{display:block;width:100%;height:auto}.is-gallery-item figcaption{margin-top:.5rem;font-size:.8rem;font-weight:600;color:var(--is-muted)}.is-gallery{display:none}.is-results-grid{display:grid;gap:1.25rem}@media (min-width:640px){.is-results-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:900px){.is-results-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width:1200px){.is-results-grid{grid-template-columns:repeat(5,1fr)}}.is-result-item{padding:1.5rem;border-radius:1rem;background:var(--is-card);border:1px solid var(--is-border);text-align:center}.is-result-item h3{font-size:1rem;font-weight:800;margin:0 0 .5rem;color:var(--is-accent)}.is-result-item p{font-size:.88rem;line-height:1.6;color:var(--is-muted);margin:0}.is-quote-band{padding:3.5rem var(--layout-pad-x);background:linear-gradient(135deg,rgb(100 116 139 / .12) 0%,rgb(90 95 202 / .08) 100%);border-top:1px solid var(--is-border);border-bottom:1px solid var(--is-border)}.is-quote-band blockquote{margin:0;max-width:48rem}.is-quote-band p{font-size:clamp(1.15rem, 2.5vw, 1.45rem);font-weight:700;line-height:1.55;color:var(--is-text);margin:0}.is-cta{padding:4rem var(--layout-pad-x) 5rem;background:linear-gradient(135deg,#64748b 0%,#334155 50%,#1b5e20 100%);color:#fff;text-align:center}.is-cta-inner h2{font-size:clamp(1.5rem, 3vw, 2rem);font-weight:800;margin:0 0 .75rem;color:#fff}.is-cta-inner p{font-size:1.05rem;line-height:1.65;color:rgb(255 255 255 / .9);margin:0 auto 1.75rem;max-width:38rem}.is-cta-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}