.terrain{background-image:url('portrait-edited.png');background-position:center 22%;background-size:cover;background-color:#174741;animation:none}
.hero-art{border-radius:28px;overflow:hidden;isolation:isolate;clip-path:inset(0 round 28px);box-shadow:0 20px 55px #123f3c12}
.art-grid,.coordinate{display:none}
.hero-art:after{background:linear-gradient(0deg,#092f32f5,transparent 70%)}
.image-index{color:#eff8ef;background:#123f3c55;padding:5px 10px;border-radius:6px}
.art-caption{max-width:300px;line-height:1.6}
.menu{white-space:nowrap}
.actions{flex-wrap:wrap;align-items:center}
.cv-buttons{display:flex;flex-wrap:wrap;gap:10px}
.cv-buttons .button{gap:12px;padding:13px 17px;white-space:nowrap}
.about{display:block}
.about-copy{display:grid;grid-template-columns:1fr 1.2fr;column-gap:70px}
.about-copy>.eyebrow,.about-copy>h2{grid-column:1}
.about-copy>.eyebrow{align-self:end}
.about-copy>h2{grid-row:2 / span 2;margin-top:18px}
.about-copy>p{grid-column:2;font-size:16px}
.about-copy>p:first-of-type{grid-row:1 / span 2}
.about-copy>.facts{grid-column:1 / -1}
.contact-links{flex-wrap:wrap}
/* Persian typography: generous rhythm, upright headings, readable labels. */
html[lang=fa] body{font-family:'Vazirmatn',Tahoma,sans-serif;font-size:16px;line-height:2;font-weight:400;font-synthesis:none}
html[lang=fa] h1,html[lang=fa] h2,html[lang=fa] h3{font-family:'Vazirmatn',Tahoma,sans-serif;font-weight:700;letter-spacing:0;line-height:1.7}
html[lang=fa] em{font-family:inherit;font-style:normal;font-weight:500}
html[lang=fa] .intro,html[lang=fa] .research-card p,html[lang=fa] .about-copy>p{font-size:16px;line-height:2.1}
html[lang=fa] .eyebrow,html[lang=fa] .tags span,html[lang=fa] .image-note>span,html[lang=fa] .network-inner,html[lang=fa] nav,html[lang=fa] .button{font-size:14px;letter-spacing:0}
html[lang=fa] .tags{gap:12px 18px;align-items:baseline}
html[lang=fa] .tags span{line-height:1.9}
html[lang=fa] #courses,html[lang=fa] .presentation{direction:rtl;text-align:right}
html[lang=fa] #courses summary{font-size:15px;line-height:1.9}
html[lang=fa] .course-item{font-size:14px;line-height:2}
html[lang=fa] .image-index{font-size:13px;letter-spacing:0}
html[lang=fa] .brand small{letter-spacing:0;line-height:1.8}
html[lang=fa] .email{direction:ltr;unicode-bidi:isolate;display:inline-block}
@media(max-width:760px){.about-copy{display:block}.cv-buttons .button{font-size:13px}.cv-buttons{width:100%}}
.brand-icon{width:42px;height:42px;flex:0 0 42px;border-radius:50%;overflow:hidden;display:block;padding:0;background:#123f3c;box-shadow:0 0 0 3px #fff,0 0 0 4px #bed0c5}
.brand-icon{position:relative}
.brand-icon img{position:absolute;display:block;width:140%;max-width:none;height:auto;left:50%;top:-12%;transform:translateX(-50%)}
html[lang=fa] h1{font-size:clamp(38px,4.5vw,68px);line-height:1.65;font-weight:700}
html[lang=fa] h2{font-size:clamp(29px,3.3vw,46px);line-height:1.7}
html[lang=fa] .brand{font-family:'Vazirmatn',Tahoma,sans-serif;letter-spacing:0}
html[lang=fa] .brand small{font-size:11px;font-weight:500}
html[lang=fa] .network-inner a{font-family:'Vazirmatn',Tahoma,sans-serif;font-weight:600}
html[lang=fa] .facts span,html[lang=fa] .facts strong,html[lang=fa] .facts small{letter-spacing:0;font-size:13px;line-height:2}
html[lang=fa] .timeline span,html[lang=fa] .experience .eyebrow,html[lang=fa] .presentation>span{font-family:'Vazirmatn',Tahoma,sans-serif;font-size:13px}
html[lang=fa] .timeline p,html[lang=fa] .experience p,html[lang=fa] .experience li{font-size:14px;line-height:2}
@media(max-width:760px){.brand-icon{width:34px;height:34px;flex-basis:34px}}
html[lang=fa] .publication{direction:rtl;text-align:right;gap:24px}
html[lang=fa] .publication h3{font-size:19px;font-weight:600;line-height:2}
html[lang=fa] .publication h3[lang=en]{font-family:'Manrope',sans-serif;text-align:left;font-size:18px;line-height:1.7}
html[lang=fa] .pub-meta[dir=ltr]{text-align:left}
html[lang=fa] .pub-year{font-family:'Vazirmatn',Tahoma,sans-serif;white-space:nowrap}
html[lang=fa] .pills{direction:rtl;text-align:right}
html[lang=fa] .pills span{unicode-bidi:isolate}
html[lang=fa] .timeline{border-left:0;border-right:1px solid #c6d5ca;padding-left:0;padding-right:26px}
html[lang=fa] .timeline article:before{left:auto;right:-32px}
html[lang=fa] .experience ul{padding-left:0;padding-right:22px}
html[lang=fa] .section-note{line-height:2;font-size:14px}
html[lang=fa] .image-note strong{font-family:'Vazirmatn',Tahoma,sans-serif;line-height:1.7;font-size:clamp(28px,3vw,42px)}
@media(max-width:760px){html[lang=fa] .hero-copy h1{font-size:40px}html[lang=fa] .publication{gap:12px}html[lang=fa] .publication h3{font-size:17px}html[lang=fa] .brand small{font-size:9px}html[lang=fa] .eyebrow{font-size:12px}html[lang=fa] .network-inner{gap:16px}}
/* Local variable font keeps Persian shaping consistent without Google Fonts. */
@font-face{font-family:'Vazirmatn';src:url('Vazirmatn-Variable.woff2') format('woff2');font-style:normal;font-weight:100 900;font-display:swap}
html[lang=fa] .hero{grid-template-columns:1.08fr 1fr;gap:clamp(30px,5vw,72px);padding-block:48px 60px}
html[lang=fa] .hero-copy{min-width:0}
html[lang=fa] .hero-copy h1{font-family:'Vazirmatn',Tahoma,sans-serif;font-size:clamp(38px,4vw,58px);font-weight:650;line-height:1.55;letter-spacing:0;margin:24px 0 22px}
html[lang=fa] .hero-copy h1 em{font-weight:450;color:#4e7b6b;letter-spacing:0}
html[lang=fa] .hero-copy .eyebrow{font-size:12px;font-weight:500;line-height:1.9;letter-spacing:0;flex-wrap:nowrap}
html[lang=fa] .hero-copy .dot{flex-shrink:0}
html[lang=fa] .hero-copy .intro{font-size:17px;font-weight:400;line-height:2.05;max-width:540px;color:#546d68;margin-bottom:0}
html[lang=fa] .hero .actions{margin-top:30px;gap:12px}
html[lang=fa] .hero .button{font-weight:500;font-size:13px;min-height:48px;border-radius:9px}
html[lang=fa] .hero-foot{margin-top:26px;font-size:12px;line-height:1.8}
html[lang=fa] .hero-art{height:560px}
html[lang=fa] .image-note{left:28px;right:28px;bottom:28px;text-align:right}
html[lang=fa] .image-note strong{font-family:'Vazirmatn',Tahoma,sans-serif;font-size:27px;line-height:1.65;font-weight:500;margin-top:8px;letter-spacing:0}
html[lang=fa] .image-note>span:first-child{font-family:'Vazirmatn',Tahoma,sans-serif;font-size:11px;font-weight:400;letter-spacing:0}
html[lang=fa] .image-note .art-caption{font-family:'Vazirmatn',Tahoma,sans-serif;font-size:11px;font-weight:400;line-height:1.9;margin-top:12px;max-width:none;color:#e1eee8;opacity:1}
html[lang=fa] .image-index{font-family:'Vazirmatn',Tahoma,sans-serif;font-size:11px;letter-spacing:0}
html[lang=fa] .brand{font-weight:650}
html[lang=fa] .brand small{font-weight:400}
@media(max-width:1050px){html[lang=fa] .hero-copy h1{font-size:42px}html[lang=fa] .hero-art{height:510px}html[lang=fa] .hero-copy .intro{font-size:15px}}
@media(max-width:760px){html[lang=fa] .hero{grid-template-columns:1fr;gap:30px;padding-block:32px 40px}html[lang=fa] .hero-copy h1{font-size:clamp(32px,8.5vw,44px);line-height:1.55;margin-block:18px}html[lang=fa] .hero-copy .eyebrow{font-size:10px}html[lang=fa] .hero-copy .intro{font-size:15px;line-height:2}html[lang=fa] .hero-art{height:440px}html[lang=fa] .image-note{inset-inline:22px;bottom:22px}html[lang=fa] .image-note strong{font-size:24px}html[lang=fa] .hero-foot{font-size:11px}}