:root{--cert-bg:#FEFCF9;--cert-tint:#FDF6EE;--cert-tint-2:#FFF4E6;--cert-tint-3:#FFF7ED;--cert-card:#FFFFFF;--cert-card-accent:#FFFDF9;--cert-border:#E8DFD5;--cert-border-strong:#CBBFB2;--cert-border-soft:#FED7AA;--cert-ink:#0F1115;--cert-body:#4A5568;--cert-muted:#6B7A90;--cert-faint:#94A3B8;--cert-orange:#F7931A;--cert-orange-deep:#EA580C;--cert-gold:#FFD600;--cert-green:#22C55E;--cert-red:#EF4444;--cert-panel-dark:#0F1115;--cert-panel-dark-2:#1A140B;--cert-panel-border:#252A33;--cert-grid-line:rgba(247, 147, 26, 0.08);--cert-shadow-card:0 4px 6px -1px rgba(0, 0, 0, 0.05);--cert-shadow-glow:0 0 26px -6px rgba(247, 147, 26, 0.6);--cert-shadow-accent:0 0 30px -8px rgba(247, 147, 26, 0.28)}[data-theme=dark]{--cert-bg:#030304;--cert-tint:#0B0D10;--cert-tint-2:#1A140B;--cert-tint-3:#1A140B;--cert-card:#14161A;--cert-card-accent:#1A140B;--cert-border:#252A33;--cert-border-strong:#3A424E;--cert-border-soft:rgba(247, 147, 26, 0.45);--cert-ink:#F2F4F8;--cert-body:#CBD5E1;--cert-muted:#94A3B8;--cert-faint:#6B7A90;--cert-grid-line:rgba(247, 147, 26, 0.06);--cert-shadow-card:0 4px 6px -1px rgba(0, 0, 0, 0.4);--cert-shadow-accent:0 0 30px -8px rgba(247, 147, 26, 0.18)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--cert-bg:#030304;--cert-tint:#0B0D10;--cert-tint-2:#1A140B;--cert-tint-3:#1A140B;--cert-card:#14161A;--cert-card-accent:#1A140B;--cert-border:#252A33;--cert-border-strong:#3A424E;--cert-border-soft:rgba(247, 147, 26, 0.45);--cert-ink:#F2F4F8;--cert-body:#CBD5E1;--cert-muted:#94A3B8;--cert-faint:#6B7A90;--cert-grid-line:rgba(247, 147, 26, 0.06);--cert-shadow-card:0 4px 6px -1px rgba(0, 0, 0, 0.4);--cert-shadow-accent:0 0 30px -8px rgba(247, 147, 26, 0.18)}}body:has(.dhu),body:has(.dov){background:var(--cert-bg);overflow-x:clip}.dhu,.dov{color:var(--cert-ink);margin-top:calc(-1 * var(--space-4));margin-bottom:calc(-1 * var(--space-12));padding-bottom:var(--space-16)}@media(min-width:640px){.dhu,.dov{margin-top:calc(-1 * var(--space-8))}}.dhu-hero,.dhu-fields,.dov-hero{margin-inline:calc(50% - 50vw);padding-inline:calc(50vw - 50%)}.dhu-h2,.dov-h2{font-family:var(--font-heading);font-weight:700;font-size:clamp(1.5rem,2.6vw,1.875rem);letter-spacing:-.025em;color:var(--cert-ink);margin:0}.dhu-kicker,.dov-kicker{display:block;font-family:var(--font-heading);font-size:.6875rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cert-muted);margin-bottom:.875rem}.dhu-kicker--accent,.dov-kicker--accent{color:var(--cert-orange-deep)}.dhu-point-mark,.dov-point-mark{flex:none;color:var(--cert-faint)}.dhu-point-mark--check,.dov-point-mark--check{color:var(--cert-orange);font-weight:700}.dov-point-mark--x{color:var(--cert-red);font-weight:700}.dhu-cta-pill{display:inline-flex;align-items:center;gap:.5625rem;padding:1rem 1.875rem;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--cert-orange-deep),var(--cert-orange));color:#fff;font-family:var(--font-heading);font-weight:700;font-size:1.0625rem;text-decoration:none;box-shadow:var(--cert-shadow-glow);transition:transform var(--duration-fast,150ms)ease,box-shadow var(--duration-fast,150ms)ease}.dhu-cta-pill:hover{color:#fff;transform:translateY(-1px);box-shadow:0 0 34px -4px rgba(247,147,26,.7)}.dhu-cta-pill--sm{padding:.8125rem 1.5rem;font-size:.875rem}.dhu a:focus-visible,.dov a:focus-visible,.dov-mod-summary:focus-visible{outline:2px solid var(--cert-orange);outline-offset:2px;border-radius:var(--radius-sm)}.dhu-hero{position:relative;overflow:hidden;text-align:center;background:var(--cert-tint);border-bottom:1px solid var(--cert-border);padding-top:clamp(3.5rem,8vw,5.125rem);padding-bottom:3.75rem}.dhu-hero-grid,.dov-hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--cert-grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--cert-grid-line) 1px,transparent 1px);background-size:80px 80px;-webkit-mask-image:radial-gradient(ellipse 65% 70% at 50% 38%,#000 12%,transparent 72%);mask-image:radial-gradient(ellipse 65% 70% at 50% 38%,#000 12%,transparent 72%);pointer-events:none}.dhu-hero-content{position:relative;max-width:760px;margin:0 auto}.dhu-eyebrow{display:inline-flex;align-items:center;gap:.4375rem;font-family:var(--font-heading);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:var(--cert-orange-deep);background:var(--cert-card);border:1px solid var(--cert-border-soft);padding:.4375rem .9375rem;border-radius:var(--radius-full);margin-bottom:1.625rem}.dhu-eyebrow-dot{width:6px;height:6px;border-radius:var(--radius-full);background:var(--cert-orange)}.dhu-hero-title{font-family:var(--font-heading);font-weight:700;font-size:clamp(2.25rem,6vw,3.75rem);line-height:1.02;letter-spacing:-.04em;color:var(--cert-ink);margin:0 0 1.375rem}.dhu-hero-title-accent{color:var(--cert-orange)}.dhu-hero-subtitle{font-size:1.125rem;line-height:1.55;color:var(--cert-body);max-width:600px;margin:0 auto 2.125rem}.dhu-compare-chip{display:inline-flex;border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 10px 30px -12px rgba(0,0,0,.18);border:1px solid var(--cert-border);margin-bottom:2.125rem;background:var(--cert-card)}.dhu-compare-chip-cell{padding:1.125rem 1.875rem;text-align:center}.dhu-compare-chip-cell--new{background:var(--cert-tint-3)}.dhu-compare-chip-divider{width:3px;background:var(--cert-orange)}.dhu-compare-chip-label{display:block;font-family:var(--font-heading);font-size:.6875rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cert-muted);margin-bottom:.375rem}.dhu-compare-chip-label--accent{color:var(--cert-orange-deep)}.dhu-compare-chip-value{display:block;font-family:var(--font-mono);font-size:1.25rem;font-weight:600;color:var(--cert-ink)}.dhu-fields{padding-top:1.625rem;padding-bottom:1.625rem;border-bottom:1px solid var(--cert-border);text-align:center}.dhu-fields-text{margin:0 0 1.125rem;font-size:.875rem;color:var(--cert-body)}.dhu-fields-text strong{color:var(--cert-ink)}.dhu-fields-chips{display:flex;justify-content:center;gap:.75rem;flex-wrap:wrap}.dhu-fields-chip{font-family:var(--font-mono);font-size:.6875rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--cert-muted);background:var(--cert-tint);border:1px solid var(--cert-border);padding:.4375rem .875rem;border-radius:var(--radius-full)}.dhu-path,.dhu-road,.dhu-programs,.dhu-expansion,.dhu-final{max-width:1120px;margin:0 auto}.dhu-path{padding:4.5rem 0 .5rem}.dhu-path-header{text-align:center;margin-bottom:2.75rem}.dhu-path-sub{font-size:.9375rem;color:var(--cert-body);max-width:560px;margin:.75rem auto 0}.dhu-threeway{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;align-items:start}.dhu-threeway-card{background:var(--cert-card);border:1px solid var(--cert-border);border-radius:var(--radius-xl);padding:1.625rem}.dhu-threeway-card--accent{background:var(--cert-card-accent);border:2px solid var(--cert-orange);box-shadow:var(--cert-shadow-accent)}.dhu-threeway-verdict{font-family:var(--font-heading);font-weight:700;font-size:1.1875rem;letter-spacing:-.02em;color:var(--cert-ink);margin:0 0 1.125rem}.dhu-threeway-points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem;font-size:.875rem;color:var(--cert-body);line-height:1.5}.dhu-threeway-points li{display:flex;gap:.625rem}.dhu-road{padding:3rem 0 4.75rem}.dhu-road-track{position:relative}.dhu-road-line{position:absolute;top:27px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,var(--cert-border),var(--cert-orange) 60%,var(--cert-gold))}.dhu-road-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;position:relative}.dhu-road-num{width:54px;height:54px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-weight:700;font-size:1.25rem;margin-bottom:1.125rem}.dhu-road-num--zero{background:var(--cert-card);border:2px solid var(--cert-border);color:var(--cert-muted)}.dhu-road-num--one{background:linear-gradient(135deg,var(--cert-orange-deep),var(--cert-orange));color:#fff;box-shadow:0 0 18px -4px rgba(247,147,26,.5)}.dhu-road-num--two{background:var(--cert-card);border:2px solid var(--cert-orange);color:var(--cert-orange-deep)}.dhu-road-num--inf{background:var(--cert-panel-dark);color:var(--cert-gold);font-size:1.375rem}[data-theme=dark] .dhu-road-num--inf{background:var(--color-bg-muted,#1A1D24)}.dhu-road-title{font-family:var(--font-heading);font-weight:700;font-size:1rem;color:var(--cert-ink);margin:0 0 .5rem}.dhu-road-text{font-size:.8125rem;line-height:1.55;color:var(--cert-body);margin:0}.dhu-programs{padding-bottom:2.5rem;scroll-margin-top:5rem}.dhu-section-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.75rem}.dhu-section-rule{flex:1;height:2px;background:linear-gradient(90deg,var(--cert-orange),transparent)}.dhu-feature{display:grid;grid-template-columns:1.1fr .9fr;background:var(--cert-panel-dark);border-radius:var(--radius-xl);overflow:hidden;margin-bottom:1.5rem;text-decoration:none;color:#fff;transition:transform var(--duration-fast,150ms)ease,box-shadow var(--duration-fast,150ms)ease}.dhu-feature:hover{color:#fff;transform:translateY(-2px);box-shadow:0 24px 50px -20px rgba(0,0,0,.5)}[data-theme=dark] .dhu-feature{border:1px solid var(--cert-panel-border)}.dhu-feature-body{padding:2.375rem 2.5rem}.dhu-feature-badges{display:flex;align-items:center;gap:.625rem;margin-bottom:1.25rem}.dhu-badge-pro{font-family:var(--font-heading);font-size:.6875rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#0f1115;background:var(--cert-orange);padding:.3125rem .75rem;border-radius:var(--radius-full)}.dhu-badge-pro--soft{background:var(--cert-border-soft);font-size:.625rem;padding:.25rem .625rem}[data-theme=dark] .dhu-badge-pro--soft{background:var(--cert-orange)}.dhu-badge-live{display:inline-flex;align-items:center;gap:.375rem;font-family:var(--font-mono);font-size:.625rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--cert-green)}.dhu-badge-live-dot{width:6px;height:6px;border-radius:var(--radius-full);background:var(--cert-green)}.dhu-feature-title{font-family:var(--font-heading);font-weight:700;font-size:clamp(1.5rem,2.8vw,1.875rem);letter-spacing:-.02em;line-height:1.1;color:#fff;margin:0 0 1.5rem}.dhu-feature-stats{display:flex;gap:2.25rem;margin-bottom:1.625rem;font-size:.8125rem;flex-wrap:wrap}.dhu-feature-stat-val{color:#fff;font-weight:600}.dhu-feature-stat-label{color:#94a3b8}.dhu-feature-visual{position:relative;background:radial-gradient(circle at 55% 45%,rgba(247,147,26,.45),transparent 62%),#000;min-height:260px}.dhu-feature-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.dhu-feature-float{position:absolute;bottom:18px;left:18px;background:#fff;border-radius:var(--radius-md);padding:.75rem .875rem;max-width:190px;box-shadow:0 8px 20px rgba(0,0,0,.3)}.dhu-feature-float-label{font-family:var(--font-mono);font-size:.625rem;font-weight:600;color:var(--cert-green);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.25rem}.dhu-feature-float-text{font-size:.75rem;color:#0f1115;line-height:1.4;margin:0}.dhu-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.dhu-card{display:block;background:var(--cert-card);border:1px solid var(--cert-border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--cert-shadow-card);text-decoration:none;color:inherit;transition:transform var(--duration-fast,150ms)ease,box-shadow var(--duration-fast,150ms)ease,border-color var(--duration-fast,150ms)ease}.dhu-card:hover{color:inherit;transform:translateY(-2px);border-color:var(--cert-orange);box-shadow:0 12px 30px -12px rgba(0,0,0,.18)}.dhu-card-art{position:relative;height:130px;background:radial-gradient(circle at 55% 45%,rgba(247,147,26,.4),transparent 60%),#0f1115;overflow:hidden}.dhu-card-art img{width:100%;height:100%;object-fit:cover;display:block;mix-blend-mode:lighten}.dhu-card-body{padding:1.375rem 1.5rem}.dhu-card-badges{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.dhu-card-title{font-family:var(--font-heading);font-weight:700;font-size:1.1875rem;letter-spacing:-.02em;color:var(--cert-ink);margin:0 0 .875rem}.dhu-card-meta{display:flex;gap:1.375rem;font-family:var(--font-mono);font-size:.6875rem;color:var(--cert-muted);text-transform:uppercase;letter-spacing:.04em;flex-wrap:wrap}.dhu-expansion{padding:2rem 0 1rem}.dhu-expansion-badge{font-family:var(--font-mono);font-size:.6875rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--cert-orange-deep);background:var(--cert-tint-2);border:1px solid var(--cert-border-soft);padding:.375rem .75rem;border-radius:var(--radius-full);white-space:nowrap}.dhu-expansion-sub{font-size:.875rem;color:var(--cert-body);margin:0 0 1.5rem}.dhu-coming-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.dhu-coming-card{background:var(--cert-card);border:1px solid var(--cert-border);border-radius:var(--radius-lg);overflow:hidden}.dhu-coming-art{height:90px;overflow:hidden;background:#0f1115}.dhu-coming-art img{width:100%;height:100%;object-fit:cover;opacity:.45;display:block}.dhu-coming-row{display:flex;align-items:center;justify-content:space-between;gap:.625rem;padding:.875rem 1rem}.dhu-coming-name{font-family:var(--font-heading);font-weight:600;font-size:.875rem;color:var(--cert-body)}.dhu-coming-lock{flex:none;color:var(--cert-faint)}.dhu-final{padding:1.5rem 0 0}.dhu-final-band,.dov-final-band{position:relative;background:linear-gradient(135deg,#C2410C,#F7931A 55%,#FACC15);border-radius:var(--radius-xl);padding:4rem 2.5rem;text-align:center;overflow:hidden}.dhu-final-grid,.dov-final-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,9%) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,9%) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000 10%,transparent 70%);pointer-events:none}.dhu-final-content,.dov-final-content{position:relative}.dhu-final-title,.dov-final-title{font-family:var(--font-heading);font-weight:800;font-size:clamp(1.75rem,4vw,2.375rem);letter-spacing:-.03em;color:#fff;margin:0 0 .875rem}.dhu-final-sub{font-family:var(--font-heading);font-weight:600;font-size:1rem;color:rgba(255,255,255,.9);margin:0 0 1.75rem}.dhu-final-btn,.dov-final-btn{display:inline-block;padding:1rem 2.125rem;border-radius:var(--radius-full);background:#fff;color:#0f1115;font-family:var(--font-heading);font-weight:700;font-size:1rem;text-decoration:none;transition:transform var(--duration-fast,150ms)ease}.dhu-final-btn:hover,.dov-final-btn:hover{color:#0f1115;transform:translateY(-1px)}.dhu-final-note,.dov-final-note{font-family:var(--font-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.8);margin-top:1.125rem}@media(max-width:900px){.dhu-threeway{grid-template-columns:1fr}.dhu-road-steps{grid-template-columns:1fr 1fr;row-gap:2rem}.dhu-road-line{display:none}.dhu-feature{grid-template-columns:1fr}.dhu-feature-visual{min-height:200px;order:-1}.dhu-coming-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.dhu-grid{grid-template-columns:1fr;gap:.875rem}.dhu-road-steps{grid-template-columns:1fr;row-gap:1.75rem}.dhu-road{padding:2.25rem 0 3rem}.dhu-road-num{margin-bottom:.75rem}.dhu-coming-grid{grid-template-columns:1fr}.dhu-compare-chip{display:flex;flex-direction:column;width:100%;max-width:340px}.dhu-compare-chip-cell{padding:.875rem 1.25rem}.dhu-compare-chip-value{font-size:1.0625rem}.dhu-compare-chip-divider{width:auto;height:3px}.dhu-hero{padding-top:2.75rem;padding-bottom:2.5rem}.dhu-hero-subtitle{font-size:1rem;margin-bottom:1.625rem}.dhu-cta-pill{padding:.875rem 1.5rem;font-size:.9375rem}.dhu-path{padding-top:3rem}.dhu-threeway-card{padding:1.25rem}.dhu-feature-body{padding:1.5rem 1.25rem}.dhu-feature-stats{gap:1.25rem}.dhu-feature-visual{min-height:170px}.dhu-feature-float{bottom:12px;left:12px;right:12px;max-width:none;padding:.625rem .75rem}.dhu-card-body{padding:1.125rem 1.25rem}.dhu-card-meta{gap:.875rem}.dhu-fields-chips{gap:.5rem}.dhu-fields-chip{padding:.375rem .6875rem;font-size:.625rem}.dhu-final-band,.dov-final-band{padding:2.75rem 1.25rem;border-radius:var(--radius-lg)}.dhu-final-btn,.dov-final-btn{display:block;max-width:300px;margin:0 auto}.dhu-section-head{flex-wrap:wrap;gap:.625rem}}.dov-hero{position:relative;overflow:hidden;background:var(--cert-tint);border-bottom:1px solid var(--cert-border)}.dov-hero .dov-hero-grid{-webkit-mask-image:radial-gradient(ellipse 70% 80% at 30% 30%,#000 10%,transparent 72%);mask-image:radial-gradient(ellipse 70% 80% at 30% 30%,#000 10%,transparent 72%)}.dov-hero-inner{position:relative;display:grid;grid-template-columns:1fr 360px;gap:3rem;max-width:1120px;margin:0 auto;padding-top:2.75rem;padding-bottom:3.25rem;align-items:start}.dov-hero-inner--single{display:block;max-width:760px}.dov-crumbs{font-family:var(--font-mono);font-size:.75rem;color:var(--cert-muted);margin-bottom:1.25rem}.dov-crumbs a{color:var(--cert-muted);text-decoration:none}.dov-crumbs a:hover{color:var(--cert-orange-deep)}.dov-crumbs-sep{color:var(--cert-border-strong);margin:0 .25rem}.dov-crumbs-here{color:var(--cert-ink)}.dov-badges{display:flex;gap:.5625rem;margin-bottom:1.125rem;flex-wrap:wrap}.dov-badge{font-family:var(--font-heading);font-size:.6875rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.3125rem .75rem;border-radius:var(--radius-full)}.dov-badge--pro{color:#0f1115;background:var(--cert-orange)}.dov-badge--level{color:var(--cert-orange-deep);background:var(--cert-card);border:1px solid var(--cert-border-soft)}.dov-badge--soon{color:var(--cert-muted);background:var(--cert-card);border:1px solid var(--cert-border)}.dov-title{font-family:var(--font-heading);font-weight:700;font-size:clamp(1.875rem,4vw,2.75rem);line-height:1.05;letter-spacing:-.035em;color:var(--cert-ink);margin:0 0 1.125rem}.dov-desc{font-size:1rem;line-height:1.6;color:var(--cert-body);max-width:560px;margin:0 0 1.625rem}.dov-stats{display:flex;gap:.625rem;flex-wrap:wrap}.dov-stat{display:inline-flex;align-items:center;gap:.5rem;background:var(--cert-card);border:1px solid var(--cert-border);border-radius:var(--radius-md);padding:.75rem 1rem;color:var(--cert-ink)}.dov-stat svg{color:var(--cert-orange);flex:none}.dov-stat strong{font-size:.875rem}.dov-stat em{font-style:normal;font-size:.75rem;color:var(--cert-muted)}.dov-enroll{background:var(--cert-panel-dark);border-radius:var(--radius-xl);padding:1.75rem 1.625rem;color:#fff;box-shadow:0 24px 50px -18px rgba(0,0,0,.4)}[data-theme=dark] .dov-enroll{border:1px solid var(--cert-panel-border)}.dov-enroll-art{position:relative;height:120px;border-radius:var(--radius-lg);overflow:hidden;background:radial-gradient(circle at 55% 45%,rgba(247,147,26,.5),transparent 62%),#000;margin-bottom:1.375rem}.dov-enroll-art img{width:100%;height:100%;object-fit:cover;display:block}.dov-enroll-kicker{font-family:var(--font-heading);font-size:.6875rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cert-green);margin-bottom:.5rem}.dov-enroll-price{display:flex;align-items:baseline;gap:.5rem;margin-bottom:1.125rem}.dov-enroll-price-num{font-family:var(--font-heading);font-weight:700;font-size:2.125rem}.dov-enroll-price-note{color:#94a3b8;font-size:.8125rem}.dov-btn-gradient{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--cert-orange-deep),var(--cert-orange));color:#fff;font-family:var(--font-heading);font-weight:700;font-size:.9375rem;text-decoration:none;box-shadow:var(--cert-shadow-glow);transition:transform var(--duration-fast,150ms)ease,box-shadow var(--duration-fast,150ms)ease}.dov-btn-gradient:hover{color:#fff;transform:translateY(-1px);box-shadow:0 0 34px -4px 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var(--radius-md,8px)var(--radius-md,8px)0;color:var(--color-text-secondary);font-size:var(--text-sm)}.dlv-prompt-block{position:relative;padding-bottom:var(--space-10)}.dlv-copy-btn{display:inline-flex;align-items:center;gap:var(--space-1-5);position:absolute;bottom:var(--space-2);right:var(--space-2);padding:var(--space-1)var(--space-2-5);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-md,8px);font-size:11px;font-weight:600;color:var(--color-text-muted);cursor:pointer;transition:all .15s;font-family:inherit;opacity:.7}.dlv-copy-btn:hover{opacity:1;border-color:var(--color-primary);color:var(--color-primary)}.dlv-copy-btn--copied{border-color:var(--color-success)!important;color:var(--color-success)!important;opacity:1}.dlv-code-wrapper{position:relative}.dlv-copy-btn--code{top:var(--space-2);right:var(--space-2);bottom:auto}[data-theme=dark] .dlv-copy-btn{background:var(--void-800);border-color:var(--void-600)}[data-theme=dark] .dlv-copy-btn:hover{border-color:var(--orange-600);color:var(--orange-500)}.dlv-content.prose table{width:100%;border-collapse:collapse;margin:var(--space-4)0;font-size:var(--text-sm)}.dlv-content.prose th,.dlv-content.prose td{padding:var(--space-2)var(--space-3);border:1px solid var(--color-border);text-align:left}.dlv-content.prose th{background:var(--color-bg-muted);font-weight:600}.dlv-content.prose code{background:var(--color-bg-muted);padding:2px 6px;border-radius:var(--radius-sm,4px);font-size:.9em}.dlv-content.prose pre{background:var(--color-bg-muted);padding:var(--space-4);border-radius:var(--radius-md,8px);overflow-x:auto;margin:var(--space-4)0;font-size:var(--text-sm)}.dlv-content.prose pre code{background:0 0;padding:0}.dlv-content.prose img{max-width:100%;height:auto;border-radius:var(--radius-md,8px);margin:var(--space-4)0}.dlv-content.prose strong{font-weight:600}.dlv-content.prose hr{border:none;border-top:1px solid var(--color-border);margin:var(--space-8)0}.dlv-quiz{margin-top:var(--space-10);padding-top:var(--space-8);border-top:1px solid var(--color-border)}.dlv-quiz-title{display:flex;align-items:center;gap:var(--space-2);font-family:var(--font-heading);font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-6)}.dlv-quiz-title svg{color:var(--color-primary)}.dlv-quiz-question{background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px);padding:var(--space-5);margin-bottom:var(--space-4)}.dlv-question-text{font-weight:600;margin-bottom:var(--space-4);line-height:1.5}.dlv-question-options{display:flex;flex-direction:column;gap:var(--space-2)}.dlv-option-label{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3)var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-md,8px);cursor:pointer;transition:border-color .15s,background .15s;font-size:var(--text-sm);line-height:1.5}.dlv-option-label:hover{border-color:var(--color-primary);background:var(--color-bg-muted)}.dlv-option-label input[type=radio]{margin-top:3px;flex-shrink:0;accent-color:var(--color-primary)}.dlv-option-text{flex:1}.dlv-option-indicator{flex-shrink:0}.dlv-option--correct{border-color:var(--color-success)!important;background:rgba(34,197,94,8%)!important}.dlv-option--incorrect{border-color:var(--color-error)!important;background:rgba(239,68,68,8%)!important}.dlv-question-explanation{display:flex;align-items:flex-start;gap:var(--space-2);margin-top:var(--space-3);padding:var(--space-3)var(--space-4);background:var(--color-bg-muted);border-radius:var(--radius-md,8px);font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.5}.dlv-question-explanation[hidden]{display:none}.dlv-question-explanation svg{flex-shrink:0;color:var(--color-info,#3b82f6);margin-top:2px}.dlv-quiz-actions{display:flex;align-items:center;gap:var(--space-3);margin-top:var(--space-4)}.dlv-quiz-hint{font-size:var(--text-sm);color:var(--color-text-muted)}.dlv-quiz-results{display:flex;align-items:center;gap:var(--space-4);margin-top:var(--space-4);padding:var(--space-4);background:var(--color-bg-muted);border-radius:var(--radius-lg,12px)}.dlv-quiz-score{display:flex;align-items:baseline;gap:var(--space-1)}.dlv-score-value{font-family:var(--font-heading);font-size:var(--text-2xl);font-weight:700;color:var(--color-primary)}.dlv-score-total{font-size:var(--text-base);color:var(--color-text-muted)}.dlv-quiz-feedback{font-size:var(--text-sm);font-weight:600}.dlv-quiz-feedback--perfect{color:var(--color-success)}.dlv-quiz-feedback--good{color:var(--color-primary)}.dlv-quiz-feedback--retry{color:var(--color-error)}.dlv-navigation{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--space-4);align-items:center;margin-top:var(--space-8);padding-top:var(--space-6);border-top:1px solid var(--color-border)}.dlv-nav-btn{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px);text-decoration:none;color:inherit;transition:border-color .15s,background .15s;flex:1;min-width:0}.dlv-nav-btn:hover{border-color:var(--color-primary);background:var(--color-bg-muted)}.dlv-nav-direction{display:flex;align-items:center;gap:var(--space-1);font-size:var(--text-xs);color:var(--color-text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.dlv-nav-title{font-size:var(--text-sm);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dlv-nav-spacer{display:none}.dlv-nav-next{text-align:right}.dlv-nav-next .dlv-nav-direction{justify-content:flex-end}.dlv-complete-section{text-align:center}.dlv-navigation .dlv-nav-prev[hidden],.dlv-navigation .dlv-nav-next[hidden]{display:flex!important;visibility:hidden;pointer-events:none}.dlv-btn-complete--done{opacity:.6;cursor:default}.dlv-completion-hint{font-size:var(--text-xs);color:var(--color-text-muted);font-style:italic;margin:var(--space-1)0 0}.dlv-error{text-align:center;padding:var(--space-16)var(--space-4)}.dlv-error svg{color:var(--color-text-muted);margin-bottom:var(--space-4)}.dlv-error h2{font-family:var(--font-heading);font-size:var(--text-xl);font-weight:700;margin-bottom:var(--space-2)}.dlv-error p{color:var(--color-text-secondary);margin-bottom:var(--space-6)}@media(max-width:1024px){.dlv-layout{grid-template-columns:240px 1fr}.dlv-main{padding:var(--space-5)var(--space-6)}}@media(max-width:768px){.dlv-mobile-toggle{display:flex}.dlv-sidebar{display:none}.dlv-layout{grid-template-columns:1fr}.dlv-main{padding:var(--space-3);max-width:100%;overflow-x:hidden}.dlv-header-content{padding:0 var(--space-3)}.dlv-back-text{max-width:150px}.dlv-progress-bar-mini{width:50px}.dlv-title{font-size:var(--text-xl)}.dlv-meta{flex-wrap:wrap;gap:var(--space-2)}.dlv-content.prose{font-size:var(--text-sm);overflow-wrap:break-word;word-break:break-word}.dlv-content.prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;font-size:var(--text-xs)}.dlv-content.prose pre{max-width:calc(100vw - var(--space-6));overflow-x:auto}.dlv-content.prose img{max-width:100%;height:auto}.dlv-content.prose blockquote{padding:var(--space-2)var(--space-3);margin-left:0;margin-right:0}.dlv-quiz-question{padding:var(--space-3)}.dlv-option-label{padding:var(--space-2)var(--space-3);font-size:var(--text-xs)}.dlv-quiz-actions{flex-wrap:wrap}.dlv-quiz-results{flex-direction:column;text-align:center;gap:var(--space-2)}.dlv-navigation{grid-template-columns:1fr;gap:var(--space-3)}.dlv-complete-section{order:-1}.dlv-navigation .dlv-nav-prev[hidden],.dlv-navigation .dlv-nav-next[hidden]{display:none!important}.dlv-nav-btn{padding:var(--space-3)}.dlv-nav-next{text-align:left}.dlv-nav-next .dlv-nav-direction{justify-content:flex-start}.dlv-featured-skills{padding:var(--space-3)}.dlv-skills-list{gap:var(--space-1-5)}.dlv-recommended-list{grid-template-columns:1fr}.dlv-pricing-cta-inner{flex-direction:column;text-align:center;padding:var(--space-4)}.dlv-prompt-block{padding-bottom:var(--space-8)}.dlv-cert-card{flex-direction:column;text-align:center;gap:var(--space-3);padding:var(--space-4)}}@media(max-width:380px){.dlv-main{padding:var(--space-2)}.dlv-title{font-size:var(--text-lg)}.dlv-content.prose{font-size:13px}.dlv-header-actions{gap:var(--space-1)}.dlv-back-text{max-width:100px;font-size:var(--text-xs)}}[data-theme=dark] .dlv-header{background:var(--void-900);border-color:var(--void-600)}[data-theme=dark] .dlv-mobile-toggle{background:var(--void-900);border-color:var(--void-600)}[data-theme=dark] .dlv-sidebar{background:var(--void-900);border-color:var(--void-600)}[data-theme=dark] .dlv-sidebar-module{border-color:var(--void-700)}[data-theme=dark] .dlv-sidebar-lesson:hover{background:var(--void-800)}[data-theme=dark] .dlv-sidebar-lesson--active{background:rgba(247,147,26,.1);border-left-color:var(--color-primary)}[data-theme=dark] .dlv-sidebar-lesson-num{background:var(--void-700)}[data-theme=dark] .dlv-sidebar-lesson--active .dlv-sidebar-lesson-num{background:var(--color-primary);color:#000}[data-theme=dark] .dlv-sidebar-lesson--complete .dlv-sidebar-lesson-num{background:var(--color-success);color:#fff}[data-theme=dark] .dlv-drawer{background:var(--void-900)}[data-theme=dark] .dlv-drawer-header{border-color:var(--void-600)}[data-theme=dark] .dlv-quiz-question{background:var(--void-800);border-color:var(--void-600)}[data-theme=dark] .dlv-option-label{border-color:var(--void-600)}[data-theme=dark] .dlv-option-label:hover{border-color:var(--orange-600);background:var(--void-700)}[data-theme=dark] .dlv-question-explanation{background:var(--void-700)}[data-theme=dark] .dlv-quiz-results{background:var(--void-800)}[data-theme=dark] .dlv-nav-btn{border-color:var(--void-600)}[data-theme=dark] .dlv-nav-btn:hover{border-color:var(--orange-600);background:var(--void-800)}[data-theme=dark] .dlv-skeleton-badge,[data-theme=dark] .dlv-skeleton-duration,[data-theme=dark] .dlv-skeleton-title,[data-theme=dark] .dlv-skeleton-desc,[data-theme=dark] .dlv-skeleton-line{background:var(--void-700)}[data-theme=dark] .dlv-content.prose blockquote{background:var(--void-800)}[data-theme=dark] .dlv-content.prose th{background:var(--void-700)}[data-theme=dark] .dlv-content.prose code{background:var(--void-700)}[data-theme=dark] .dlv-content.prose pre{background:var(--void-800)}.dlv-certificate-link{margin-top:var(--space-6)}.dlv-cert-card{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-5);background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-bg-muted) 100%);border:1px solid var(--color-primary);border-radius:var(--radius-lg,12px)}.dlv-cert-card svg{color:var(--color-primary);flex-shrink:0}.dlv-cert-card p{font-size:var(--text-sm);color:var(--color-text-secondary);margin:var(--space-1)0 0}.dlv-cert-card .btn{flex-shrink:0;white-space:nowrap}.dlv-cert-card--incomplete{background:var(--color-bg-muted);border-color:var(--color-border)}.dlv-cert-card--incomplete svg{color:var(--color-warning,#f59e0b)}[data-theme=dark] .dlv-cert-card{background:linear-gradient(135deg,rgba(247,147,26,8%) 0%,var(--void-800) 100%);border-color:var(--orange-700)}[data-theme=dark] .dlv-cert-card--incomplete{background:var(--void-800);border-color:var(--void-600)}.dlv-featured-skills{margin:var(--space-6)0;padding:var(--space-4)var(--space-5);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px)}.dlv-skills-header{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);color:var(--color-text-muted);font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.dlv-skills-header svg{width:14px;height:14px}.dlv-skills-list{display:flex;flex-wrap:wrap;gap:var(--space-2)}.dlv-skill-link{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1-5)var(--space-3);background:var(--color-bg-muted);border:none;border-radius:var(--radius-full,50px);text-decoration:none;color:var(--color-text-secondary);font-size:var(--text-xs);font-weight:500;transition:background .15s,color .15s}.dlv-skill-link:hover{background:var(--color-primary-light);color:var(--color-primary)}[data-theme=dark] .dlv-featured-skills{background:var(--void-800);border-color:var(--void-700)}[data-theme=dark] .dlv-skill-link{background:var(--void-700)}.dlv-pricing-cta{margin:var(--space-8)0;border-radius:var(--radius-lg,12px);background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-bg-muted) 100%);border:1px solid var(--color-primary);overflow:hidden}.dlv-pricing-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-5)var(--space-6)}.dlv-pricing-cta-text strong{display:block;font-family:var(--font-heading);font-size:var(--text-base);font-weight:700;margin-bottom:var(--space-1)}.dlv-pricing-cta-text p{font-size:var(--text-sm);color:var(--color-text-secondary);margin:0;line-height:1.5}.dlv-pricing-cta-btn{flex-shrink:0;display:inline-flex;align-items:center;gap:var(--space-2);white-space:nowrap}[data-theme=dark] .dlv-pricing-cta{background:linear-gradient(135deg,rgba(247,147,26,8%) 0%,var(--void-800) 100%);border-color:var(--orange-700)}@media(max-width:768px){.dlv-pricing-cta-inner{flex-direction:column;text-align:center;padding:var(--space-4)}}.dlv-recommended{margin-top:var(--space-6)}.dlv-recommended h3{font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:var(--space-3)}.dlv-recommended-list{display:flex;flex-wrap:wrap;gap:var(--space-2)}.dlv-recommended-card{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2)var(--space-4);background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:var(--radius-lg,12px);text-decoration:none;color:inherit;font-size:var(--text-sm);font-weight:500;transition:border-color .15s,background .15s}.dlv-recommended-card:hover{border-color:var(--color-primary);background:var(--color-bg-muted)}.dlv-recommended-card strong{font-weight:500}.dlv-recommended-card p{display:none}[data-theme=dark] .dlv-recommended-card{background:var(--void-800);border-color:var(--void-700)}[data-theme=dark] .dlv-recommended-card:hover{border-color:var(--orange-600);background:var(--void-700)}.account-prompt-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.account-prompt-modal[hidden]{display:none}.account-prompt-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}.account-prompt-dialog{position:relative;background:var(--color-bg);border-radius:var(--radius-xl,1rem);padding:2rem;max-width:420px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center;animation:promptSlideUp .3s ease-out}@keyframes promptSlideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.account-prompt-header{margin-bottom:1rem}.account-prompt-header svg{display:block;margin:0 auto .75rem;color:var(--color-primary)}.account-prompt-header h3{font-size:1.5rem;margin:0}.account-prompt-dialog>p{color:var(--color-text-secondary);margin:0 0 1.5rem;line-height:1.6}.account-prompt-benefits{list-style:none;padding:0;margin:0 0 1.5rem;text-align:left}.account-prompt-benefits li{display:flex;align-items:center;gap:.75rem;padding:.5rem 0;color:var(--color-text-secondary)}.account-prompt-benefits svg{color:var(--color-success,#10b981);flex-shrink:0}.account-prompt-actions{display:flex;flex-direction:column;gap:.75rem}.account-prompt-actions .btn{width:100%;justify-content:center}@media(max-width:768px){.dlv-cert-card{flex-direction:column;text-align:center}}.dlv-celebration{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.85);opacity:0;transition:opacity .4s ease;overflow:hidden}.dlv-celebration--visible{opacity:1}.dlv-celebration--fading{opacity:0}.dlv-celebration-content{text-align:center;color:#fff;z-index:1;transform:scale(.8);transition:transform .5s cubic-bezier(.34,1.56,.64,1);max-width:560px;width:calc(100% - 32px);max-height:calc(100vh - 40px);overflow-y:auto;padding:40px 28px 32px;background:#111;border:1px solid #2a2a2a;border-radius:12px;box-shadow:0 24px 80px rgba(0,0,0,.6);position:relative}.dlv-celebration-close{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:999px;border:none;background:0 0;color:#aaa;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:color .15s}.dlv-celebration-close:hover{color:#f90}.dlv-celebration-close .material-symbols-outlined{font-size:20px}.dlv-celebration--visible .dlv-celebration-content{transform:scale(1)}.dlv-celebration-icon{font-size:64px;margin-bottom:16px;animation:dlv-bounce .6s ease .3s both}.dlv-celebration-title{font-size:2.25rem;font-weight:800;line-height:1.15;margin:0 0 8px;color:#f90;letter-spacing:-.02em}.dlv-celebration-subtitle{font-size:1rem;color:#aaa;margin:0 auto 20px;max-width:440px;line-height:1.5}.dlv-celebration-subtitle strong{color:#fff;font-weight:600}.dlv-celebration-score{display:flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(255,153,0,.1);border:1px solid rgba(255,153,0,.28);margin:0 auto 20px;font-size:.9rem;width:fit-content;max-width:100%}.dlv-celebration-score-label{color:#aaa;font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:.72rem}.dlv-celebration-score-value{color:#f90;font-weight:700;font-variant-numeric:tabular-nums}.dlv-celebration-learned{text-align:left;margin:0 auto 24px;max-width:460px;background:#1a1a1a;border:1px solid #2a2a2a;border-radius:12px;padding:18px 20px}.dlv-celebration-learned-title{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#aaa;margin:0 0 12px}.dlv-celebration-lessons{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.dlv-celebration-lesson{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid #2a2a2a}.dlv-celebration-lesson:last-child{border-bottom:none}.dlv-celebration-lesson-num{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:999px;background:rgba(255,153,0,.14);color:#f90;font-size:.72rem;font-weight:700;font-variant-numeric:tabular-nums}.dlv-celebration-lesson-title{flex:1;color:#fff;font-size:.88rem;line-height:1.4}.dlv-celebration-lesson-check{flex-shrink:0;color:#f90;font-size:18px!important;font-variation-settings:'FILL' 1,'wght' 500,'GRAD' 0,'opsz' 20}.dlv-celebration-name-form{margin:0 auto 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auto;align-items:center;gap:var(--space-3)}.diagram-pie-legend-swatch{width:12px;height:12px;border-radius:3px;flex-shrink:0}.diagram-pie-legend-label{color:var(--color-text)}.diagram-pie-legend-value{color:var(--color-text-muted);font-variant-numeric:tabular-nums;font-weight:600}@media(max-width:639px){.diagram{padding:var(--space-6)var(--space-4);margin:var(--space-6)0}.diagram-flow{flex-direction:column;gap:0}.diagram-flow-arrow{transform:rotate(90deg);padding:var(--space-1)0}.diagram-flow-node{min-width:unset;width:100%;max-width:280px}.diagram-flow-annotation{max-width:none}.diagram-cards-grid{grid-template-columns:1fr 1fr}.diagram-compare-path{flex-direction:column;gap:var(--space-3)}.diagram-compare-result{min-width:unset;width:100%}.diagram-timeline-labels,.diagram-timeline-dots,.diagram-timeline-details{grid-template-columns:repeat(var(--timeline-cols,5),minmax(140px,1fr))}.diagram-timeline-label{font-size:var(--text-xs)}.diagram-timeline-detail{font-size:11px;line-height:1.45}.diagram-stack-segment{font-size:10px;padding:var(--space-3)var(--space-1);line-height:1.3}.diagram-stack-bar{min-height:60px}}@media(max-width:639px){.diagram-bar-plot{min-height:180px;gap:var(--space-2)}.diagram-bar{max-width:36px}.diagram-bar-row{grid-template-columns:minmax(90px,130px)1fr 44px;gap:var(--space-2)}.diagram-bar-row-label{font-size:12px}.diagram-bar-row-value{font-size:11px}.diagram-pie-wrap{flex-direction:column;gap:var(--space-6)}.diagram-pie-legend{width:100%;max-width:320px}}@media(max-width:400px){.diagram-cards-grid{grid-template-columns:1fr}.diagram-bar-plot{gap:4px}.diagram-bar-label{font-size:10px}}