:root {
  --brand:#3b82f6;--brand-strong:#2563eb;--brand-soft:#eff6ff;--canvas:#f7fafc;--surface:#fff;--surface-muted:#f1f5f9;--text:#0f172a;--text-muted:#475569;--border:#dbe5f0;--border-strong:#bfdbfe;--shadow-sm:0 1px 2px rgba(15,23,42,.05);--shadow:0 12px 32px rgba(15,23,42,.08);--shadow-lg:0 24px 60px rgba(15,23,42,.14);--font-family:'Space Grotesk','Segoe UI',Tahoma,sans-serif;--font-family-mono:'JetBrains Mono','Roboto Mono',ui-monospace,SFMono-Regular,Menlo,monospace;--radius:8px;--container:1200px;--space-1:.5rem;--space-2:.75rem;--space-3:1rem;--space-4:1.5rem;--space-5:2rem;--space-6:3rem;--space-7:4.5rem;
}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{min-width:320px;overflow-x:hidden;background:var(--canvas);color:var(--text);font:16px/1.6 var(--font-family)}a{color:inherit}img{display:block;max-width:100%}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid rgba(59,130,246,.45);outline-offset:3px}.container{width:min(var(--container),calc(100% - 2.5rem));margin:0 auto}.page-section{padding:var(--space-7) 0}.page-section:nth-child(even){background:var(--surface)}
/* Navigation */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);border-bottom:1px solid var(--border);backdrop-filter:blur(16px)}.nav-wrapper{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.logo{display:inline-flex;flex-direction:column;color:var(--text);text-decoration:none;font-size:1rem;font-weight:700;line-height:1.15}.logo span{margin-top:.2rem;color:var(--brand);font:600 .62rem var(--font-family-mono);letter-spacing:.08em;text-transform:uppercase}.nav-list{display:flex;align-items:center;gap:1.4rem;list-style:none}.nav-link{position:relative;color:var(--text-muted);font:600 .72rem var(--font-family-mono);letter-spacing:.05em;text-decoration:none;text-transform:uppercase;transition:color .2s}.nav-link:after{position:absolute;right:0;bottom:-.55rem;left:0;height:2px;background:var(--brand);content:'';transform:scaleX(0);transition:transform .2s}.nav-link:hover,.nav-link.active{color:var(--brand-strong)}.nav-link:hover:after,.nav-link.active:after{transform:scaleX(1)}.hamburger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer}.hamburger-line{display:block;width:21px;height:2px;margin:5px auto;background:var(--text);transition:transform .2s,opacity .2s}.hamburger.active .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger.active .hamburger-line:nth-child(2){opacity:0}.hamburger.active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* Landing and shared headings */
.hero{padding:var(--space-7) 0;background:linear-gradient(180deg,#fff,var(--brand-soft));border-bottom:1px solid var(--border)}.hero-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.75fr);gap:var(--space-6);align-items:center}.hero-content{max-width:680px}.eyebrow{margin-bottom:var(--space-3);color:var(--brand-strong);font:700 .72rem var(--font-family-mono);letter-spacing:.1em;text-transform:uppercase}h1{max-width:14ch;font-size:clamp(2.5rem,6vw,4.75rem);line-height:1.04}h2{font-size:clamp(1.75rem,3vw,2.65rem);line-height:1.15}h3{line-height:1.25}.hero-subtitle{max-width:38rem;margin-top:var(--space-4);font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.45}.hero-bio{max-width:42rem;margin-top:var(--space-3);color:var(--text-muted)}.hero-cta-group,.contact-actions{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-5)}.cta-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:.7rem 1rem;border:1px solid var(--brand);border-radius:6px;background:var(--brand);box-shadow:0 8px 18px rgba(37,99,235,.16);color:#fff;cursor:pointer;font:700 .75rem var(--font-family-mono);letter-spacing:.05em;text-decoration:none;text-transform:uppercase;transition:all .2s}.cta-button:hover{border-color:var(--brand-strong);background:var(--brand-strong);box-shadow:0 12px 26px rgba(37,99,235,.22);transform:translateY(-2px)}.cta-button-secondary{background:transparent;box-shadow:none;color:var(--brand-strong)}.cta-button-secondary:hover{background:var(--brand-soft);color:var(--brand-strong)}.hero-media{overflow:hidden;border:1px solid var(--border-strong);border-radius:var(--radius);box-shadow:var(--shadow-lg)}.hero-media img{width:100%;min-height:310px;object-fit:cover}.page-hero{padding:var(--space-6) 0;background:var(--surface);border-bottom:1px solid var(--border)}.page-hero h1{max-width:20ch}.page-hero p:last-child{max-width:55ch;margin-top:var(--space-3);color:var(--text-muted);font-size:1.08rem}.split-intro{display:grid;grid-template-columns:1fr .9fr;gap:var(--space-6);align-items:start}.split-intro>p{max-width:52ch;color:var(--text-muted);font-size:1.08rem}.section-heading{display:grid;grid-template-columns:1fr auto;gap:var(--space-3);align-items:end;margin-bottom:var(--space-5)}.section-heading .eyebrow{grid-column:1/-1;margin-bottom:0}.text-link{color:var(--brand-strong);font:700 .78rem var(--font-family-mono);text-decoration:none}.text-link:hover{text-decoration:underline}.featured-projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.featured-project{overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);color:var(--text);text-decoration:none;transition:all .25s}.featured-project:hover{border-color:var(--border-strong);box-shadow:var(--shadow);transform:translateY(-4px)}.featured-project img{width:100%;aspect-ratio:16/9;object-fit:cover}.featured-project span,.featured-project h3,.featured-project p{display:block;margin-right:var(--space-4);margin-left:var(--space-4)}.featured-project span{margin-top:var(--space-4);color:var(--brand-strong);font:700 .68rem var(--font-family-mono);letter-spacing:.07em;text-transform:uppercase}.featured-project h3{margin-top:var(--space-2);font-size:1.08rem}.featured-project p{margin-top:var(--space-2);margin-bottom:var(--space-4);color:var(--text-muted);font-size:.9rem}
/* Skills and profile */
.skills-section,.about{padding:var(--space-7) 0}.skills-section{background:var(--canvas)}.about{background:var(--surface);border-top:1px solid var(--border)}.section-title{margin-bottom:var(--space-5);color:var(--text);text-align:left}.section-title:after{display:block;width:52px;height:3px;margin-top:var(--space-3);background:var(--brand);content:''}.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.skill-category{min-height:170px;padding:var(--space-4);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.skill-category-title{margin-bottom:var(--space-3);color:var(--text);font:600 .78rem var(--font-family-mono);letter-spacing:.06em;text-transform:uppercase}.skill-list{display:flex;flex-wrap:wrap;gap:.5rem}.skill-tag{display:inline-flex;min-height:30px;align-items:center;padding:.25rem .5rem;border:1px solid var(--border);border-radius:4px;background:#fff;color:var(--text-muted);cursor:pointer;font:.68rem var(--font-family-mono);transition:all .2s;user-select:none}.skill-tag:hover,.skill-tag.active-skill-filter{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-strong)}.about-content{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--space-6);align-items:start}.about-text p{max-width:62ch;margin-bottom:var(--space-3);color:var(--text-muted);font-size:1.06rem}.skills h3{margin-bottom:var(--space-3);font-size:1.25rem}.skills-list{display:grid;gap:var(--space-2);list-style:none}.skills-list li{position:relative;padding-left:1.25rem;color:var(--text-muted)}.skills-list li:before{position:absolute;left:0;color:var(--brand);content:'?'}.recommendations-section{border-top:1px solid var(--border);background:var(--canvas)}.recommendations-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4)}.recommendation-card{padding:var(--space-4);border-left:3px solid var(--brand);background:var(--surface);box-shadow:var(--shadow-sm)}.recommendation-card p{color:var(--text-muted);font-style:italic}.recommendation-card a{display:inline-block;margin-top:var(--space-3);color:var(--brand-strong);font:700 .72rem var(--font-family-mono);text-decoration:none}.recommendation-card a:hover{text-decoration:underline}
/* Projects */
.projects{padding:var(--space-6) 0 var(--space-7)}.projects .section-title{text-align:center}.projects .section-title:after{margin-right:auto;margin-left:auto}.projects-sub-nav{position:sticky;top:84px;z-index:10;display:flex;justify-content:center;gap:.25rem;width:fit-content;max-width:100%;margin:calc(-1 * var(--space-3)) auto var(--space-6);padding:.35rem;border:1px solid var(--border);border-radius:6px;background:rgba(255,255,255,.92);box-shadow:var(--shadow-sm);backdrop-filter:blur(12px)}.projects-sub-nav a{padding:.45rem .65rem;color:var(--text-muted);font:700 .7rem var(--font-family-mono);letter-spacing:.03em;text-decoration:none;white-space:nowrap}.projects-sub-nav a:hover{color:var(--brand-strong);background:var(--brand-soft)}.project-category-section{margin-bottom:var(--space-7);scroll-margin-top:145px}.project-category-heading{margin-bottom:var(--space-4);font-size:1.25rem}.projects-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-4)}.projects-grid-2x2{grid-template-columns:repeat(2,minmax(0,1fr));max-width:880px;margin:0 auto}.project-card{position:relative;display:flex;flex-direction:column;overflow:hidden;min-width:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);cursor:pointer;transition:all .25s}.project-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow);transform:translateY(-4px)}.project-card:focus-visible{outline:3px solid rgba(59,130,246,.45);outline-offset:3px}.project-card.dimmed{opacity:.15;pointer-events:none}.project-card.active-filter{border-color:var(--brand);box-shadow:0 0 0 2px rgba(59,130,246,.18),var(--shadow);transform:translateY(-3px)}.project-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--border);background:var(--surface-muted)}.project-thumb--image{background-position:center;background-repeat:no-repeat;background-size:cover}.project-thumb--placeholder{display:grid;place-items:center;background:linear-gradient(135deg,#eff6ff,#f8fafc)}.project-thumb-icon{width:72px;color:var(--brand-strong)}.project-thumb-icon svg{width:100%;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.project-thumb-vpn-scene{display:grid;place-items:center;width:100%;height:100%}.project-thumb-vpn-mark img{width:min(150px,55vw);max-height:90px;object-fit:contain}.project-badge{position:absolute;top:.75rem;right:.75rem;z-index:2;max-width:calc(100% - 1.5rem);padding:.28rem .45rem;border:1px solid rgba(59,130,246,.18);border-radius:4px;background:rgba(255,255,255,.9);box-shadow:var(--shadow-sm);color:var(--brand-strong);font:700 .61rem var(--font-family-mono);letter-spacing:.04em;text-transform:uppercase}.project-header,.project-description,.project-tags{margin-right:var(--space-4);margin-left:var(--space-4)}.project-header{margin-top:var(--space-4)}.project-title{font-size:1.04rem}.project-date{margin-top:.25rem;color:var(--brand-strong);font:.7rem var(--font-family-mono)}.project-description{margin-top:var(--space-3);color:var(--text-muted);font-size:.9rem}.project-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:var(--space-4);margin-bottom:var(--space-4)}.tag{padding:.2rem .38rem;border:1px solid var(--border);border-radius:3px;color:var(--text-muted);font:.62rem var(--font-family-mono)}
/* Modal */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:1rem}.modal.active{display:flex}.modal-overlay{position:absolute;inset:0;background:rgba(15,23,42,.58)}.modal-container{position:relative;z-index:1;width:min(900px,100%);max-height:min(90vh,900px);overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-lg)}.modal-content{padding:var(--space-6)}.modal-close{position:absolute;top:.75rem;right:.75rem;z-index:2;width:40px;height:40px;border:1px solid var(--border);border-radius:50%;background:var(--surface);color:var(--text);cursor:pointer;font-size:1.5rem;line-height:1}.modal-gallery{margin-bottom:var(--space-5)}.modal-gallery-section{margin-bottom:var(--space-4)}.modal-gallery-title,.modal-section h3{margin-bottom:var(--space-2);color:var(--brand-strong);font:700 .76rem var(--font-family-mono);letter-spacing:.06em;text-transform:uppercase}.modal-gallery-row{display:flex;gap:var(--space-3);overflow-x:auto;padding-bottom:var(--space-2)}.modal-gallery-item{flex:0 0 min(360px,82vw);overflow:hidden;border:1px solid var(--border);border-radius:6px}.modal-gallery-item img,.modal-gallery-item video,.modal-gallery-item iframe{display:block;width:100%;aspect-ratio:16/9;border:0;object-fit:cover}.modal-gallery-caption{padding:.45rem;color:var(--text-muted);font-size:.72rem;text-align:center}.modal-header{padding-bottom:var(--space-4);border-bottom:1px solid var(--border)}.modal-title{max-width:90%;font-size:clamp(1.5rem,3vw,2.25rem)}.modal-date{margin-top:var(--space-1);color:var(--brand-strong);font:.75rem var(--font-family-mono)}.modal-body{display:grid;gap:var(--space-5);margin-top:var(--space-5)}.modal-section p{color:var(--text-muted);white-space:pre-line}.tech-stack-list{display:flex;flex-wrap:wrap;gap:.5rem}.tech-stack-item{padding:.35rem .5rem;border:1px solid var(--border);border-radius:4px;color:var(--text-muted);font:.72rem var(--font-family-mono)}.modal-links{display:flex;flex-wrap:wrap;gap:var(--space-2)}.modal-link-btn{display:inline-flex;min-height:40px;align-items:center;padding:.55rem .75rem;border:1px solid var(--brand);border-radius:5px;background:var(--brand);color:#fff;font:700 .7rem var(--font-family-mono);text-decoration:none}#modal-recommendation-section blockquote{padding-left:var(--space-3);border-left:3px solid var(--brand);color:var(--text-muted);font-style:italic}#modal-recommendation-section cite,#modal-recommendation-section a{display:block;margin-top:var(--space-2);color:var(--brand-strong);font:700 .72rem var(--font-family-mono)}.recommendation-separator{border:0;border-top:1px solid var(--border)}
/* Contact, footer, chatbot */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4)}.contact-item{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-4);border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);text-decoration:none;transition:all .2s}.contact-item:hover{border-color:var(--border-strong);box-shadow:var(--shadow);transform:translateY(-3px)}.contact-item span{color:var(--brand-strong);font:700 .7rem var(--font-family-mono);letter-spacing:.06em;text-transform:uppercase}.contact-item strong{font-size:.95rem;overflow-wrap:anywhere}.footer{border-top:1px solid var(--border);background:var(--surface)}.footer-bottom-content{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);min-height:86px}.copyright{color:var(--text-muted);font-size:.85rem}.footer-links{display:flex;flex-wrap:wrap;gap:var(--space-3)}.footer-links a{color:var(--brand-strong);font:700 .72rem var(--font-family-mono);text-decoration:none}.footer-links a:hover{text-decoration:underline}.chatbot{position:fixed;right:1.25rem;bottom:1.25rem;z-index:120}.chatbot-toggle{display:inline-flex;align-items:center;gap:.45rem;min-height:46px;padding:.65rem .8rem;border:1px solid var(--brand);border-radius:6px;background:var(--brand);box-shadow:var(--shadow);color:#fff;cursor:pointer;font:700 .72rem var(--font-family-mono)}.chatbot-toggle-icon{display:grid;width:23px;height:23px;place-items:center;border:1px solid rgba(255,255,255,.7);border-radius:3px;font-size:.62rem}.chatbot-panel{position:absolute;right:0;bottom:58px;display:none;width:min(380px,calc(100vw - 2rem));overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-lg)}.chatbot-panel.active{display:block}.chatbot-header{display:flex;align-items:flex-start;justify-content:space-between;padding:var(--space-3);border-bottom:1px solid var(--border);background:var(--brand-soft)}.chatbot-kicker{color:var(--brand-strong);font:700 .62rem var(--font-family-mono);letter-spacing:.06em;text-transform:uppercase}.chatbot-title{font-size:1rem}.chatbot-close{border:0;background:transparent;color:var(--text-muted);cursor:pointer;font-size:1.5rem}.chatbot-messages{max-height:330px;overflow-y:auto;padding:var(--space-3);background:#fff}.chatbot-message{max-width:90%;margin-bottom:var(--space-2);padding:.65rem .75rem;border-radius:6px;font-size:.86rem}.chatbot-message.bot{border:1px solid var(--border);background:var(--surface-muted);color:var(--text)}.chatbot-message.user{margin-left:auto;background:var(--brand);color:#fff}.chatbot-message p{margin:0}.chatbot-form{display:flex;gap:.5rem;padding:var(--space-3);border-top:1px solid var(--border)}.chatbot-input{min-width:0;flex:1;padding:.55rem .65rem;border:1px solid var(--border);border-radius:4px;color:var(--text);font:inherit}.chatbot-send{padding:.55rem .65rem;border:1px solid var(--brand);border-radius:4px;background:var(--brand);color:#fff;cursor:pointer;font:700 .7rem var(--font-family-mono)}.chatbot-markdown ul,.chatbot-markdown ol{padding-left:1.1rem}.chatbot-loading-dots{display:inline-flex;gap:.25rem}.chatbot-loading-dots span{width:5px;height:5px;border-radius:50%;background:var(--brand);animation:blink 1s infinite}.chatbot-loading-dots span:nth-child(2){animation-delay:.15s}.chatbot-loading-dots span:nth-child(3){animation-delay:.3s}@keyframes blink{50%{opacity:.25}}
@media(max-width:900px){.hero-layout,.split-intro,.about-content{grid-template-columns:1fr;gap:var(--space-4)}.skills-grid{grid-template-columns:repeat(2,1fr)}.featured-projects-grid,.contact-grid{grid-template-columns:1fr}.projects-grid,.projects-grid-2x2{grid-template-columns:repeat(2,minmax(0,1fr));max-width:none}}@media(max-width:720px){.container{width:min(100% - 2rem,var(--container))}.nav-wrapper{min-height:64px}.hamburger{display:block}.nav{position:absolute;top:64px;right:1rem;left:1rem;display:none;padding:.5rem;border:1px solid var(--border);border-radius:6px;background:#fff;box-shadow:var(--shadow)}.nav.active{display:block}.nav-list{display:grid;gap:0}.nav-link{display:block;padding:.7rem}.nav-link:after{display:none}.hero,.page-hero,.page-section,.skills-section,.about{padding:var(--space-6) 0}.hero-media{order:-1}.hero-media img{min-height:220px}.section-heading{grid-template-columns:1fr}.projects-sub-nav{position:static;justify-content:flex-start;width:100%;overflow-x:auto;margin-bottom:var(--space-5)}.projects-sub-nav a{flex:0 0 auto}.projects-grid,.projects-grid-2x2,.skills-grid,.recommendations-grid{grid-template-columns:1fr}.project-card:hover{transform:none}.modal-content{padding:var(--space-4)}.footer-bottom-content{flex-direction:column;justify-content:center;padding:var(--space-4) 0;text-align:center}.chatbot{right:1rem;bottom:1rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}


/* Home profile, recommendations, and project search refinements */
.hero-media img {
    object-position: center 22%;
}

.profile-skills {
    padding-top: 0;
}

.profile-compact {
    padding: var(--space-5) 0 0;
    background: transparent;
    border-top: 0;
}

.profile-compact .section-title {
    margin-bottom: var(--space-4);
}

.profile-compact + .skills-section {
    padding-top: var(--space-5);
    background: transparent;
}

.featured-project {
    position: relative;
}

.featured-project .project-badge {
    margin: 0;
    color: var(--brand-strong);
}

.skills-list li::before {
    top: 0.62rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    content: '';
}

.recommendation-card {
    display: flex;
    min-height: 220px;
    flex-direction: column;
    justify-content: space-between;
}

.recommendation-card blockquote {
    color: var(--text);
    font-size: 0.98rem;
    line-height: 1.65;
}

.recommendation-card cite {
    display: block;
    margin-top: var(--space-4);
    color: var(--text-muted);
    font-family: var(--font-family-mono);
    font-size: 0.72rem;
    font-style: normal;
    font-weight: 700;
}

.recommendation-card a {
    margin-top: var(--space-2);
}

.project-search {
    width: min(680px, 100%);
    margin: calc(-1 * var(--space-4)) auto var(--space-5);
}

.project-search > label {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--text-muted);
    font-family: var(--font-family-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.project-search-field {
    display: flex;
    align-items: center;
    min-height: 48px;
    gap: 0.5rem;
    padding: 0.35rem 0.45rem 0.35rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.project-search-field:focus-within {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.project-search-icon {
    color: var(--brand-strong);
    font-size: 1.1rem;
    line-height: 1;
}

.project-search input {
    min-width: 0;
    flex: 1;
    border: 0;
    outline: 0;
    color: var(--text);
    font: inherit;
}

.project-search input::placeholder {
    color: #94a3b8;
}

.project-search button {
    min-height: 34px;
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface-muted);
    color: var(--brand-strong);
    cursor: pointer;
    font: 700 0.68rem var(--font-family-mono);
}

.project-search-empty {
    margin: var(--space-5) auto;
    color: var(--text-muted);
    text-align: center;
}

.project-card.search-hidden,
.project-category-section.search-empty {
    display: none;
}

@media (max-width: 720px) {
    .project-search {
        margin-top: calc(-1 * var(--space-3));
    }

    .recommendation-card {
        min-height: 0;
    }
}


.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* Cohesive Home introduction and project detail affordances */
.brand-lockup {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 0.8rem;
}

.institution-badge {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    padding-left: 0.8rem;
    border-left: 1px solid var(--border);
    line-height: 0;
}

.institution-badge img {
    width: auto;
    max-width: 86px;
    max-height: 24px;
    object-fit: contain;
}

.hero-intro {
    max-width: 49rem;
    margin-top: var(--space-4);
    color: var(--text-muted);
    font-size: clamp(1.03rem, 1.35vw, 1.16rem);
    line-height: 1.72;
}

@media (min-width: 769px) {
    .hero-layout {
        align-items: stretch;
    }

    .hero-media {
        position: relative;
        align-self: stretch;
        width: 100%;
        height: 100%;
        min-height: 0;
    }

    .hero-media img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        min-height: 0;
        object-fit: cover;
    }
}

.hero-focus-areas {
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
}

.hero-focus-areas h2 {
    margin-bottom: var(--space-2);
    font-size: 0.92rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-focus-areas .skills-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem var(--space-4);
}

.hero-focus-areas .skills-list li {
    font-size: 0.96rem;
    line-height: 1.5;
}

.recommendation-spotlight {
    padding: var(--space-5) 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.recommendation-spotlight-inner {
    max-width: 920px;
    padding: var(--space-4) var(--space-5);
    border-left: 4px solid var(--brand);
    background: linear-gradient(90deg, var(--brand-soft), #ffffff 45%);
}

.recommendation-spotlight blockquote {
    max-width: 75ch;
    color: var(--text);
    font-size: clamp(1.06rem, 2vw, 1.28rem);
    font-weight: 500;
    line-height: 1.55;
}

.recommendation-spotlight cite {
    display: block;
    margin-top: var(--space-3);
    color: var(--text-muted);
    font-family: var(--font-family-mono);
    font-size: 0.76rem;
    font-style: normal;
    font-weight: 700;
}

.recommendation-spotlight-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-3);
}

.recommendation-spotlight-links a {
    color: var(--brand-strong);
    font-family: var(--font-family-mono);
    font-size: 0.74rem;
    font-weight: 700;
    text-decoration: none;
}

.recommendation-spotlight-links a:hover {
    text-decoration: underline;
}

.project-card-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-top: auto;
    padding: 0.85rem var(--space-4);
    border-top: 1px solid var(--border);
    color: var(--brand-strong);
    font-family: var(--font-family-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.project-card-arrow {
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.project-card:hover .project-card-action,
.project-card:focus-visible .project-card-action {
    background: var(--brand-soft);
    color: var(--brand-strong);
}

.project-card:hover .project-card-arrow,
.project-card:focus-visible .project-card-arrow {
    transform: translateX(4px);
}

@media (max-width: 720px) {
    .hero-focus-areas .skills-list {
        grid-template-columns: 1fr;
    }

    .recommendation-spotlight-inner {
        padding: var(--space-4);
    }
}

@media (max-width: 720px) {
    .brand-lockup {
        gap: 0.65rem;
    }

    .institution-badge {
        padding-left: 0.65rem;
    }

    .institution-badge img {
        max-width: 72px;
        max-height: 20px;
    }

    .hero-intro {
        font-size: 1rem;
        line-height: 1.68;
    }
}


/* Home proportion and quieter chatbot refinements */
.hero h1 {
    max-width: 13ch;
    font-size: clamp(2.4rem, 5.2vw, 4.15rem);
}

.recommendation-spotlight {
    padding: var(--space-4) 0;
}

.recommendation-spotlight-inner {
    max-width: 880px;
    padding: var(--space-3) var(--space-4);
    border-left-width: 3px;
    background: linear-gradient(90deg, var(--brand-soft), #ffffff 55%);
}

.recommendation-spotlight .eyebrow {
    margin-bottom: var(--space-2);
}

.recommendation-spotlight blockquote {
    max-width: 68ch;
    font-size: clamp(1rem, 1.7vw, 1.12rem);
    line-height: 1.45;
}

.recommendation-spotlight cite {
    margin-top: var(--space-2);
}

.recommendation-spotlight-links {
    margin-top: var(--space-2);
}

.recommendation-spotlight + .skills-section {
    padding-top: var(--space-5);
}

.recommendations-section .section-heading h2 {
    font-size: clamp(1.55rem, 2.4vw, 2.1rem);
}

.recommendation-card {
    min-height: 0;
    border: 1px solid var(--border);
    border-left: 3px solid var(--brand);
    box-shadow: none;
}

.recommendation-card blockquote {
    font-size: 0.94rem;
    line-height: 1.6;
}

.recommendation-card cite {
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
}

.chatbot {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
}

.chatbot-toggle {
    position: relative;
    width: 48px;
    height: 48px;
    min-height: 48px;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
}

.chatbot-toggle-text {
    display: none;
}

.chatbot-toggle-icon {
    width: 25px;
    height: 25px;
}

.chatbot-toggle::before {
    position: absolute;
    right: 0;
    bottom: calc(100% + 0.65rem);
    width: max-content;
    max-width: 180px;
    padding: 0.4rem 0.55rem;
    border-radius: 4px;
    background: var(--text);
    color: #fff;
    content: "Ask Sam's AI";
    font-family: var(--font-family-mono);
    font-size: 0.68rem;
    font-weight: 700;
    opacity: 0;
    pointer-events: none;
    transform: translateY(3px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.chatbot-toggle:hover::before,
.chatbot-toggle:focus-visible::before {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 720px) {
    .hero h1 {
        font-size: clamp(2.25rem, 11vw, 3.25rem);
    }

    .recommendation-spotlight {
        padding: var(--space-3) 0;
    }

    .recommendation-spotlight-inner {
        padding: var(--space-3);
    }

    .recommendation-spotlight + .skills-section {
        padding-top: var(--space-4);
    }
}


/* Positioning and category hierarchy refinements */
.skill-category {
    min-height: 138px;
}

.project-category-section {
    padding-top: var(--space-5);
    border-top: 1px solid var(--border);
}

.project-category-section:nth-of-type(even) {
    background: rgba(241, 245, 249, 0.48);
}

.project-category-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border);
}

.project-category-header > span {
    color: var(--brand-strong);
    font-family: var(--font-family-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.project-category-header .project-category-heading {
    margin: 0;
}

.project-category-section--narrow .project-category-header {
    max-width: 880px;
    margin-right: auto;
    margin-left: auto;
}

.project-search-icon {
    display: inline-flex;
    width: 18px;
    height: 18px;
    color: var(--brand-strong);
}

.project-search-icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-width: 1.8;
}

.contact-hero {
    padding: calc(var(--space-5) * 1.15) 0;
}

.contact-hero h1 {
    font-size: clamp(2rem, 4vw, 3.1rem);
}

.contact-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
    color: var(--brand-strong);
    font-family: var(--font-family-mono);
    font-size: 0.7rem;
    font-weight: 700;
}

.contact-action b {
    font-size: 1rem;
    transition: transform 0.2s ease;
}

.contact-item:hover .contact-action b,
.contact-item:focus-visible .contact-action b {
    transform: translateX(4px);
}

@media (max-width: 720px) {
    .project-category-section {
        padding-top: var(--space-4);
    }

    .project-category-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.35rem;
    }
}