.hd-profile-page{--hd-on-dark:var(--foreground);--hd-panel-base:var(--background);--hd-panel-card:var(--card);--hd-panel-wash:9%;--hd-panel-shadow:7%;--hd-blue:var(--tone-blue);--hd-violet:var(--tone-violet);--hd-teal:var(--tone-teal);--hd-amber:var(--tone-amber);--hd-text-meta:var(--text-xs);--hd-text-sm:var(--text-sm);--hd-text-body:var(--text-base);padding-bottom:3rem;overflow:hidden}.dark .hd-profile-page{--hd-on-dark:var(--foreground);--hd-panel-base:var(--device-shell);--hd-panel-card:color-mix(in srgb, var(--foreground) 7%, transparent);--hd-panel-wash:30%;--hd-panel-shadow:18%}.hd-container{width:min(100% - 2rem,80rem);margin-inline:auto}.hd-hero{isolation:isolate;padding-block:clamp(3rem,6vw,5rem);position:relative}.hd-hero:after{z-index:-2;border:1px solid color-mix(in srgb, var(--primary) 13%, var(--border-subtle));background:linear-gradient(135deg, color-mix(in srgb, var(--surface-1) 92%, var(--primary)), var(--surface-1) 58%);box-shadow:0 30px 90px color-mix(in srgb, var(--foreground) 8%, transparent);content:"";border-radius:2rem;position:absolute;inset:1.5rem max(1rem,50vw - 43rem) 0}.hd-hero-grid{z-index:-1;background-image:linear-gradient(color-mix(in srgb, var(--foreground) 4%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--foreground) 4%, transparent) 1px, transparent 1px);pointer-events:none;background-size:3rem 3rem;border-radius:2rem;position:absolute;inset:1.5rem max(1rem,50vw - 43rem) 0;mask-image:linear-gradient(to bottom right,#000,#0000 62%)}.hd-hero-orb{z-index:-1;pointer-events:none;border-radius:999px;position:absolute}.hd-hero-orb-two{aspect-ratio:1;background:radial-gradient(circle, color-mix(in srgb, var(--hd-blue) 12%, transparent), transparent 68%);width:min(25vw,22rem);bottom:0;left:16%}.hd-hero-layout{align-items:center;gap:clamp(2rem,5vw,4rem);display:grid}.hd-hero-copy{min-width:0}.hd-breadcrumb{color:var(--muted-foreground);font-size:var(--hd-text-meta);align-items:center;gap:.55rem;margin-bottom:1.5rem;font-weight:500;display:flex}.hd-breadcrumb a{transition:color .16s}.hd-breadcrumb a:hover{color:var(--primary)}.hd-eyebrow,.hd-section-kicker{border:1px solid color-mix(in srgb, var(--primary) 22%, transparent);background:color-mix(in srgb, var(--primary) 9%, var(--surface-1));min-height:2.5rem;color:var(--primary);font-size:var(--hd-text-meta);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;align-items:center;gap:.55rem;font-weight:700;display:inline-flex}.hd-eyebrow{padding-inline:1rem}.hd-eyebrow svg,.hd-section-kicker svg{width:.95rem;height:.95rem}.hd-hero h1{max-width:48rem;color:var(--foreground);font-family:var(--font-display);text-wrap:balance;margin-top:1.25rem;font-size:clamp(2.75rem,5.5vw,5.5rem);font-weight:800;line-height:1.04}.hd-hero h1 span{background:linear-gradient(110deg, var(--primary), var(--accent));color:#0000;background-clip:text}.hd-hero-lead{max-width:43rem;color:var(--muted-foreground);text-wrap:pretty;margin-top:1.75rem;font-size:clamp(1rem,1.4vw,1.125rem);font-weight:400;line-height:1.75}.hd-credential-row,.hd-hero-actions{flex-wrap:wrap;gap:.65rem;margin-top:1.5rem;display:flex}.hd-credential-row span{border:1px solid var(--border-subtle);background:color-mix(in srgb, var(--surface-2) 74%, transparent);min-height:2.75rem;color:var(--foreground);font-size:var(--hd-text-sm);border-radius:.75rem;align-items:center;gap:.4rem;padding-inline:.9rem;font-weight:800;display:inline-flex}.hd-credential-row span:nth-child(2){border-color:color-mix(in srgb, var(--hd-blue) 20%, var(--border-subtle));color:color-mix(in srgb, var(--hd-blue) 70%, var(--foreground))}.hd-credential-row span:nth-child(3){border-color:color-mix(in srgb, var(--hd-amber) 24%, var(--border-subtle));color:color-mix(in srgb, var(--hd-amber) 75%, var(--foreground))}.hd-credential-row svg{width:1.05rem;height:1.05rem}.hd-hero-actions{gap:.9rem;margin-top:2.25rem}.hd-text-link svg,.hd-course-link svg,.hd-article-link svg{width:1.1rem;height:1.1rem}.hd-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;margin-top:2.5rem;display:grid}.hd-stat{border:1px solid var(--border-subtle);background:color-mix(in srgb, var(--surface-1) 88%, transparent);min-width:0;min-height:4.5rem;box-shadow:0 8px 20px color-mix(in srgb, var(--foreground) 4%, transparent);border-radius:1.15rem;align-items:center;gap:.85rem;padding:.95rem;display:flex}.hd-stat-icon{background:color-mix(in srgb, currentColor 10%, var(--surface-1));border-radius:.85rem;flex:none;justify-content:center;align-items:center;width:2.75rem;height:2.75rem;display:flex}.hd-stat-icon svg{width:1.15rem;height:1.15rem}.hd-stat strong,.hd-stat div>span{display:block}.hd-stat strong{font-family:var(--font-display);font-size:1.35rem;font-weight:800;line-height:1}.hd-stat div>span{color:var(--muted-foreground);font-size:var(--hd-text-meta);letter-spacing:.08em;text-transform:none;margin-top:.35rem;font-weight:700}.hd-portrait-stage{width:min(100%,25rem);margin-inline:auto;position:relative}.hd-portrait-card{border:1px solid color-mix(in srgb, var(--foreground) 10%, var(--border));background:color-mix(in srgb, var(--surface-1) 86%, transparent);box-shadow:0 30px 70px color-mix(in srgb, var(--foreground) 16%, transparent), 0 0 0 .5rem color-mix(in srgb, var(--surface-1) 48%, transparent);border-radius:2.5rem;padding:1.1rem clamp(1.25rem,2vw,1.75rem);position:relative}.hd-portrait-frame{background:var(--surface-3);border-radius:2rem;position:relative;overflow:hidden}.hd-portrait-frame:after{background:linear-gradient(transparent, color-mix(in srgb, var(--foreground) 50%, transparent));content:"";pointer-events:none;height:36%;position:absolute;inset:auto 0 0}.hd-portrait-frame img{aspect-ratio:4/5;object-fit:cover;width:100%;display:block}.hd-verified{border:1px solid color-mix(in srgb, var(--primary) 28%, transparent);background:color-mix(in srgb, var(--surface-1) 88%, transparent);width:fit-content;max-width:100%;min-height:2.5rem;color:var(--primary);font-size:var(--hd-text-meta);box-shadow:0 8px 18px color-mix(in srgb, var(--foreground) 10%, transparent);border-radius:999px;align-items:center;gap:.5rem;margin:.15rem auto .85rem;padding-inline:.85rem;font-weight:700;display:flex}.hd-verified svg{width:1.05rem;height:1.05rem}.hd-portrait-caption{align-items:center;gap:.9rem;padding:1.15rem .4rem .45rem;display:flex}.hd-avatar-mark{background:linear-gradient(135deg, var(--primary), var(--accent));width:3.1rem;height:3.1rem;color:var(--primary-foreground);font-family:var(--font-display);border-radius:1rem;flex:none;justify-content:center;align-items:center;font-size:.9rem;font-weight:800;display:flex}.hd-portrait-caption strong,.hd-portrait-caption span{display:block}.hd-portrait-caption strong{color:var(--foreground);font-size:var(--hd-text-sm);font-weight:700}.hd-portrait-caption .hd-avatar-mark{display:flex}.hd-portrait-caption div>span{color:var(--muted-foreground);font-size:var(--hd-text-meta);margin-top:.35rem;font-weight:700;line-height:1.45}.hd-floating-note{border:1px solid color-mix(in srgb, var(--hd-blue) 22%, var(--border-subtle));background:color-mix(in srgb, var(--surface-1) 92%, transparent);box-shadow:0 16px 36px color-mix(in srgb, var(--foreground) 12%, transparent);border-radius:1.15rem;align-items:center;gap:.8rem;margin-top:1rem;padding:.9rem 1.05rem;display:flex;position:relative}.hd-floating-note>svg{width:1.2rem;height:1.2rem;color:var(--hd-blue)}.hd-floating-note strong,.hd-floating-note span{display:block}.hd-floating-note strong{color:var(--foreground);font-size:var(--hd-text-sm);font-weight:700}.hd-floating-note span{color:var(--muted-foreground);font-size:var(--hd-text-meta);font-weight:700}.hd-portrait-sparkle{z-index:1;width:3.25rem;height:3.25rem;color:color-mix(in srgb, var(--hd-amber) 65%, var(--surface-1));pointer-events:none;position:absolute;top:-2rem;right:-1.5rem;transform:rotate(12deg)}.hd-portrait-sparkle svg{stroke-width:1.25px;width:100%;height:100%}.hd-section{padding-block:clamp(3rem,5vw,5rem)}.hd-section-heading{max-width:48rem;margin-bottom:2.5rem}.hd-section-heading-row{flex-direction:column;justify-content:space-between;gap:2rem;max-width:none;display:flex}.hd-section-kicker{background:0 0;border:0;min-height:auto;padding:0}.hd-section-heading h2,.hd-story-heading h2,.hd-follow-copy h2{color:var(--foreground);font-family:var(--font-display);text-wrap:balance;margin-top:1rem;font-size:clamp(1.85rem,3vw,2.75rem);font-weight:800;line-height:1.15}.hd-section-heading p,.hd-story-heading p,.hd-follow-copy p{max-width:42rem;color:var(--muted-foreground);font-size:var(--hd-text-body);text-wrap:pretty;margin-top:1rem;font-weight:400;line-height:1.7}.hd-foundation-grid{gap:1.5rem;display:grid}.hd-method-card,.hd-career-card,.hd-courses-shell{border:1px solid var(--border-subtle);background:var(--surface-1);box-shadow:0 18px 48px color-mix(in srgb, var(--foreground) 6%, transparent);border-radius:2rem}.hd-method-card,.hd-career-card{min-width:0;padding:clamp(1.6rem,4vw,2.75rem)}.hd-method-card{background:radial-gradient(circle at 100% 0, color-mix(in srgb, var(--hd-teal) 13%, transparent), transparent 38%), var(--surface-1);position:relative;overflow:hidden}.hd-method-quote{color:color-mix(in srgb, var(--primary) 20%, transparent);font-family:Georgia,serif;font-size:6rem;font-weight:700;line-height:.75}.hd-method-card>p{max-width:34rem;color:var(--foreground);font-family:var(--font-display);margin-top:.75rem;font-size:clamp(1.2rem,2.4vw,1.65rem);font-weight:400;line-height:1.45}.hd-method-card>p strong{color:var(--primary);font-weight:700}.hd-expertise-grid{gap:.7rem;margin-top:2.25rem;display:grid}.hd-expertise-grid span{border:1px solid var(--border-subtle);background:color-mix(in srgb, var(--surface-2) 78%, transparent);min-height:3.1rem;color:var(--foreground);font-size:var(--hd-text-sm);border-radius:1rem;align-items:center;gap:.7rem;padding-inline:.9rem;font-weight:800;display:flex}.hd-expertise-grid span:nth-child(4n+2),.hd-expertise-grid span:nth-child(4n+3){color:color-mix(in srgb, var(--hd-blue) 72%, var(--foreground))}.hd-expertise-grid svg{color:currentColor;width:1.1rem;height:1.1rem}.hd-card-heading{align-items:center;gap:.85rem;display:flex}.hd-icon-well{background:color-mix(in srgb, var(--hd-violet) 11%, var(--surface-1));width:3.25rem;height:3.25rem;color:var(--hd-violet);border-radius:1.1rem;flex:none;justify-content:center;align-items:center;display:flex}.hd-icon-well svg{width:1.35rem;height:1.35rem}.hd-card-heading small{color:var(--hd-violet);font-size:var(--hd-text-meta);letter-spacing:.12em;text-transform:uppercase;font-weight:700}.hd-card-heading h3{color:var(--foreground);font-family:var(--font-display);margin-top:.2rem;font-size:1.5rem;font-weight:700}.hd-career-grid{gap:.8rem;margin-top:1.75rem;display:grid}.hd-career-item{border:1px solid color-mix(in srgb, var(--hd-blue) 13%, var(--border-subtle));background:color-mix(in srgb, var(--hd-blue) 4%, var(--surface-2));border-radius:1.1rem;grid-template-columns:auto minmax(0,1fr);gap:.9rem;min-width:0;padding:1rem;display:grid}.hd-career-item-work{border-color:color-mix(in srgb, var(--hd-violet) 14%, var(--border-subtle));background:color-mix(in srgb, var(--hd-violet) 4%, var(--surface-2))}.hd-career-index{color:var(--hd-blue);font-family:var(--font-display);font-size:var(--hd-text-meta);font-weight:800}.hd-career-item-work .hd-career-index{color:var(--hd-violet)}.hd-career-item strong,.hd-career-item div>span,.hd-career-item small{display:block}.hd-career-item strong{color:var(--foreground);font-size:var(--hd-text-sm);font-weight:700}.hd-career-item div>span{color:var(--muted-foreground);font-size:var(--hd-text-meta);margin-top:.3rem;font-weight:500;line-height:1.4}.hd-career-item small{color:color-mix(in srgb, var(--muted-foreground) 82%, transparent);margin-top:.4rem;font-size:.72rem;font-weight:700}.hd-story{background:radial-gradient(circle at 86% 15%, color-mix(in srgb, var(--hd-blue) var(--hd-panel-wash), transparent), transparent 28%), radial-gradient(circle at 10% 100%, color-mix(in srgb, var(--primary) var(--hd-panel-wash), transparent), transparent 34%), var(--hd-panel-base);margin-block:clamp(2rem,5vw,4rem);padding-block:clamp(3rem,5vw,5rem);position:relative}.hd-story:before{background-image:radial-gradient(color-mix(in srgb, var(--hd-on-dark) 14%, transparent) 1px, transparent 1px);content:"";pointer-events:none;background-size:1.25rem 1.25rem;position:absolute;inset:0;mask-image:linear-gradient(90deg,#000,#0000 45%)}.hd-story>.hd-container{position:relative}.hd-section-kicker-light,.hd-story-heading h2,.hd-follow-copy h2{color:var(--hd-on-dark)}.hd-section-kicker-light{opacity:.78}.hd-story-heading{max-width:57rem}.hd-story-heading p,.hd-follow-copy p{color:color-mix(in srgb, var(--hd-on-dark) 70%, transparent)}.hd-story-grid{gap:1.25rem;margin-top:3rem;display:grid}.hd-story-step{border:1px solid color-mix(in srgb, var(--hd-on-dark) 14%, transparent);background:var(--hd-panel-card);border-radius:1.75rem;min-width:0;padding:clamp(1.6rem,3vw,2.25rem);position:relative;overflow:hidden}.hd-story-step:after{background:color-mix(in srgb, var(--primary) 12%, transparent);content:"";border-radius:999px;width:8rem;height:8rem;position:absolute;bottom:-3rem;right:-2rem}.hd-story-topline{justify-content:space-between;align-items:center;display:flex}.hd-story-number{color:color-mix(in srgb, var(--hd-on-dark) 36%, transparent);font-family:var(--font-display);font-size:2rem;font-weight:800}.hd-story-icon{background:color-mix(in srgb, var(--primary) 20%, transparent);width:3.15rem;height:3.15rem;color:var(--primary);border-radius:1rem;justify-content:center;align-items:center;display:flex}.hd-story-icon svg{width:1.35rem;height:1.35rem}.hd-story-step>small{color:var(--primary);font-size:var(--hd-text-meta);letter-spacing:.08em;text-transform:uppercase;margin-top:2.25rem;font-weight:700;display:block}.hd-story-step h3{color:var(--hd-on-dark);font-family:var(--font-display);margin-top:.7rem;font-size:1.45rem;font-weight:700;line-height:1.2}.hd-story-step p{z-index:1;color:color-mix(in srgb, var(--hd-on-dark) 68%, transparent);font-size:var(--hd-text-body);margin-top:1rem;font-weight:400;line-height:1.7;position:relative}.hd-text-link{width:fit-content;min-height:3rem;color:var(--primary);font-size:var(--hd-text-sm);align-items:center;gap:.6rem;font-weight:700;transition:transform .16s,color .16s;display:inline-flex}.hd-book-grid{gap:1.25rem;display:grid}.hd-book-card{border:1px solid var(--border-subtle);background:var(--surface-1);min-width:0;box-shadow:0 10px 28px color-mix(in srgb, var(--foreground) 5%, transparent);border-radius:1rem;grid-template-columns:7.5rem minmax(0,1fr);align-items:center;gap:1.15rem;padding:1rem;transition:transform .18s,border-color .18s,box-shadow .18s;display:grid;position:relative;overflow:hidden}.hd-book-card:hover,.hd-article-card:hover,.hd-video-card:hover{border-color:color-mix(in srgb, var(--primary) 30%, var(--border));box-shadow:0 18px 40px color-mix(in srgb, var(--foreground) 9%, transparent);transform:translateY(-4px)}.hd-card-number{color:color-mix(in srgb, var(--muted-foreground) 45%, transparent);font-family:var(--font-display);font-size:var(--hd-text-meta);font-weight:800;position:absolute;top:.7rem;right:.8rem}.hd-book-image{background:var(--surface-2);border-radius:1.15rem;overflow:hidden}.hd-book-image img{aspect-ratio:4/5;object-fit:cover;width:100%;transition:transform .24s;display:block}.hd-book-card:hover img{transform:scale(1.035)}.hd-book-copy h3{color:var(--foreground);font-family:var(--font-display);font-size:1.1rem;font-weight:700}.hd-book-copy p{color:var(--muted-foreground);font-size:var(--hd-text-sm);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:.55rem;font-weight:400;line-height:1.5;display:-webkit-box;overflow:hidden}.hd-book-copy>span{color:var(--primary);font-size:var(--hd-text-sm);align-items:center;gap:.45rem;margin-top:1rem;font-weight:700;display:inline-flex}.hd-book-copy>span svg{width:.95rem;height:.95rem}.hd-courses-shell{background:radial-gradient(circle at 100% 0, color-mix(in srgb, var(--hd-violet) 9%, transparent), transparent 32%), var(--surface-1);padding:clamp(1.5rem,3vw,3rem)}.hd-course-grid,.hd-article-grid,.hd-video-grid{gap:1.25rem;display:grid}.hd-course-card{--course-accent:var(--primary);border:1px solid color-mix(in srgb, var(--course-accent) 20%, var(--border-subtle));background:color-mix(in srgb, var(--course-accent) 5%, var(--surface-2));border-radius:1rem;flex-direction:column;min-width:0;min-height:16rem;padding:1.5rem;transition:transform .18s,border-color .18s,box-shadow .18s;display:flex}.hd-tone-blue{--course-accent:var(--hd-blue)}.hd-tone-violet{--course-accent:var(--hd-violet)}.hd-tone-amber{--course-accent:var(--hd-amber)}.hd-course-card:hover{border-color:color-mix(in srgb, var(--course-accent) 38%, var(--border));box-shadow:0 16px 34px color-mix(in srgb, var(--course-accent) 12%, transparent);transform:translateY(-4px)}.hd-course-topline{color:color-mix(in srgb, var(--course-accent) 55%, transparent);font-family:var(--font-display);font-size:var(--hd-text-meta);justify-content:space-between;align-items:center;font-weight:800;display:flex}.hd-course-icon{background:color-mix(in srgb, var(--course-accent) 12%, var(--surface-1));width:3.15rem;height:3.15rem;color:var(--course-accent);border-radius:1rem;justify-content:center;align-items:center;display:flex}.hd-course-icon svg{width:1.35rem;height:1.35rem}.hd-course-card h3,.hd-article-card h3,.hd-video-copy h3{color:var(--foreground);font-family:var(--font-display);font-weight:700}.hd-course-card h3{margin-top:1.4rem;font-size:1.25rem}.hd-course-card p,.hd-article-card p,.hd-video-copy p{color:var(--muted-foreground);font-size:var(--hd-text-sm);font-weight:400;line-height:1.65}.hd-course-card p{margin-top:.55rem}.hd-course-link{color:var(--course-accent);font-size:var(--hd-text-sm);align-items:center;gap:.5rem;margin-top:auto;padding-top:1.25rem;font-weight:700;display:inline-flex}.hd-article-card,.hd-video-card{border:1px solid var(--border-subtle);background:var(--surface-1);min-width:0;box-shadow:0 10px 28px color-mix(in srgb, var(--foreground) 5%, transparent);border-radius:1rem;transition:transform .18s,border-color .18s,box-shadow .18s;overflow:hidden}.hd-article-card{flex-direction:column;min-height:18rem;padding:clamp(1.3rem,3vw,1.8rem);display:flex}.hd-article-meta{justify-content:space-between;align-items:center;display:flex}.hd-article-meta span{background:color-mix(in srgb, var(--hd-blue) 9%, var(--surface-1));min-height:2.1rem;color:var(--hd-blue);font-size:var(--hd-text-meta);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;align-items:center;padding-inline:.8rem;font-weight:700;display:inline-flex}.hd-article-meta small{color:color-mix(in srgb, var(--muted-foreground) 48%, transparent);font-family:var(--font-display);font-size:.95rem;font-weight:800}.hd-article-card h3{margin-top:1.6rem;font-size:1.125rem;line-height:1.4}.hd-article-card p{-webkit-line-clamp:4;-webkit-box-orient:vertical;margin-top:1rem;display:-webkit-box;overflow:hidden}.hd-article-link{color:var(--primary);font-size:var(--hd-text-sm);align-items:center;gap:.5rem;margin-top:auto;padding-top:1.5rem;font-weight:700;display:inline-flex}.hd-video-image{aspect-ratio:16/9;background:var(--surface-3);position:relative;overflow:hidden}.hd-video-image:after{background:linear-gradient(transparent 48%, color-mix(in srgb, var(--foreground) 54%, transparent));content:"";position:absolute;inset:0}.hd-video-image img{object-fit:cover;width:100%;height:100%;transition:transform .24s}.hd-video-card:hover img{transform:scale(1.04)}.hd-play{z-index:1;border:1px solid color-mix(in srgb, var(--primary-foreground) 40%, transparent);background:color-mix(in srgb, var(--primary) 88%, transparent);width:4rem;height:4rem;color:var(--primary-foreground);box-shadow:0 12px 28px color-mix(in srgb, var(--foreground) 30%, transparent);border-radius:999px;justify-content:center;align-items:center;transition:transform .18s;display:flex;position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%)}.hd-video-card:hover .hd-play{transform:translate(-50%,-50%)scale(1.08)}.hd-play svg{width:1.5rem;height:1.5rem;margin-left:.15rem}.hd-video-badge{z-index:1;color:var(--primary-foreground);font-size:var(--hd-text-meta);font-weight:700;position:absolute;bottom:1rem;right:1rem}.hd-video-copy{padding:1.5rem}.hd-video-copy h3{font-size:1.2rem}.hd-video-copy p{margin-top:.65rem}.hd-follow-shell{background:radial-gradient(circle at 15% 100%, color-mix(in srgb, var(--primary) var(--hd-panel-wash), transparent), transparent 38%), radial-gradient(circle at 100% 0, color-mix(in srgb, var(--hd-blue) var(--hd-panel-wash), transparent), transparent 40%), var(--hd-panel-base);box-shadow:0 28px 60px color-mix(in srgb, var(--foreground) var(--hd-panel-shadow), transparent);border-radius:2.25rem;gap:2.5rem;padding:clamp(1.5rem,3vw,3rem);display:grid;position:relative;overflow:hidden}.hd-follow-copy{max-width:35rem}.hd-social-grid{gap:.8rem;display:grid}.hd-social-grid a{border:1px solid color-mix(in srgb, var(--hd-on-dark) 14%, transparent);background:var(--hd-panel-card);border-radius:1.15rem;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.9rem;min-width:0;min-height:4.5rem;padding:.85rem;transition:transform .16s,background .16s,border-color .16s;display:grid}.hd-social-grid a:hover{border-color:color-mix(in srgb, var(--primary) 50%, transparent);background:color-mix(in srgb, var(--primary) 7%, var(--hd-panel-card));transform:translateY(-2px)}.hd-social-grid a>span{background:color-mix(in srgb, var(--primary) 18%, transparent);width:2.9rem;height:2.9rem;color:var(--primary);border-radius:.9rem;justify-content:center;align-items:center;display:flex}.hd-social-grid svg{width:1.15rem;height:1.15rem}.hd-social-grid a>svg{color:color-mix(in srgb, var(--hd-on-dark) 48%, transparent)}.hd-social-grid strong,.hd-social-grid small{display:block}.hd-social-grid strong{color:var(--hd-on-dark);font-size:var(--hd-text-sm);font-weight:700}.hd-social-grid small{color:color-mix(in srgb, var(--hd-on-dark) 58%, transparent);font-size:var(--hd-text-meta);margin-top:.3rem;font-weight:700}.hd-profile-page a:focus-visible{outline:3px solid color-mix(in srgb, var(--ring) 68%, transparent);outline-offset:3px}@media (width>=40rem){.hd-stats,.hd-expertise-grid,.hd-career-grid,.hd-course-grid,.hd-social-grid,.hd-book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hd-section-heading-row{flex-direction:row;align-items:end}}@media (width>=48rem){.hd-article-grid,.hd-video-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hd-follow-shell{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:center}}@media (width>=64rem){.hd-hero-layout{grid-template-columns:minmax(0,1.15fr) minmax(20rem,.85fr)}.hd-stats{grid-template-columns:repeat(4,minmax(0,1fr))}.hd-foundation-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.hd-book-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.hd-book-card{padding:.75rem;display:block}.hd-book-copy{padding:.8rem .25rem .2rem}.hd-course-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width<=39.999rem){.hd-hero:after,.hd-hero-grid{inset-inline:.6rem}.hd-hero-actions>a{width:100%}.hd-stat{align-items:flex-start}.hd-portrait-stage{width:min(88%,23rem)}}.hd-section-nav{border:1px solid var(--border-subtle);background:var(--surface-1);box-shadow:0 8px 24px color-mix(in srgb, var(--foreground) 4%, transparent);border-radius:1.5rem;flex-wrap:wrap;align-items:center;gap:.75rem;margin-top:1.25rem;padding:1rem 1.25rem;display:flex}.hd-section-nav>span{color:var(--primary);font-size:var(--text-sm);align-items:center;gap:.6rem;margin-right:auto;padding:.5rem .5rem .5rem 0;font-weight:700;display:inline-flex}.hd-section-nav svg{flex-shrink:0;width:1.1rem;height:1.1rem}.hd-section-nav a{border:1px solid var(--border-subtle);background:var(--surface-2);min-height:2.75rem;color:var(--foreground);font-size:var(--text-sm);border-radius:.75rem;align-items:center;gap:.5rem;padding:.5rem .75rem;font-weight:600;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.hd-section-nav a:hover{border-color:color-mix(in srgb, var(--primary) 35%, var(--border));background:color-mix(in srgb, var(--primary) 8%, var(--surface-1));color:var(--primary)}.hd-section-nav a:focus-visible{outline:2px solid var(--primary);outline-offset:3px}.hd-profile-page h2[id]{scroll-margin-top:12rem}.hd-evidence-link{flex-basis:100%;font-weight:600}.hd-story-step{border-radius:1rem;grid-template-columns:3rem minmax(0,1fr);gap:.5rem 1.25rem;padding:1.5rem;display:grid}.hd-story-topline{flex-direction:column;grid-row:span 3;justify-content:flex-start;gap:1rem}.hd-story-step h3,.hd-story-step p,.hd-story-step small{margin:0}.hd-story-step small,.hd-story-icon,.hd-social-grid a>span{color:var(--primary)}.hd-story-step p{color:color-mix(in srgb, var(--hd-on-dark) 82%, transparent)}.hd-book-copy p{display:block;overflow:visible}@media (width>=64rem){.hd-story>.hd-container{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:start;gap:4rem;display:grid}.hd-story-grid{margin-top:0}.hd-story-heading{position:sticky;top:12rem}}@media (width<=39.999rem){.hd-eyebrow{letter-spacing:.04em;font-size:.65rem}.hd-section-nav>span{flex-basis:100%}.hd-story-step{grid-template-columns:2.5rem minmax(0,1fr);gap:.5rem .75rem;padding:1.25rem}.hd-stat{gap:.5rem;padding:.75rem}.hd-stat-icon{width:2rem;height:2rem}.hd-stat div>span{letter-spacing:0}}@media (prefers-reduced-motion:reduce){.hd-profile-page *,.hd-profile-page :before,.hd-profile-page :after{scroll-behavior:auto!important;transition-duration:.01ms!important}}