@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
:root{--bg:#0b1422;--panel:#121f30;--panel-2:#18263a;--ink:#f1f5fb;--muted:#a2b2c7;--faint:#8292a9;--line:#29384c;--blue:#79aefe;--blue-strong:#377df0;--tag:#203149;--shadow:0 16px 52px #00000022;color-scheme:dark}
:root[data-theme='light']{--bg:#f6f8fc;--panel:#fff;--panel-2:#edf3fb;--ink:#152239;--muted:#4e6078;--faint:#677993;--line:#d7e0eb;--blue:#145ec7;--blue-strong:#216cd9;--tag:#eaf0f8;--shadow:0 14px 40px #1a30531a;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:15px;line-height:1.68;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--blue);outline-offset:4px}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{letter-spacing:-.035em;line-height:1.2}p{color:var(--muted)}.skip{position:fixed;z-index:1000;top:-100px;left:20px;background:var(--ink);color:var(--bg);padding:10px 20px;border-radius:8px}.skip:focus{top:12px}.container{width:min(1220px,calc(100% - 64px));margin-inline:auto}.section{padding:84px 0;border-bottom:1px solid var(--line)}.eyebrow,.kicker{color:var(--blue);font-size:12px;font-weight:750;letter-spacing:.15em;text-transform:uppercase}.kicker{display:block;margin-bottom:15px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.section-heading h2{font-size:clamp(30px,4vw,45px);margin:6px 0 10px}.section-heading p{max-width:640px;font-size:15px}.plain-link{font-size:13px;color:var(--blue);font-weight:750;white-space:nowrap}.plain-link:hover{text-decoration:underline;text-underline-offset:5px}.site-header{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 93%,transparent);backdrop-filter:blur(18px)}.header-inner{min-height:80px;display:flex;align-items:center;gap:24px}.identity{display:flex;align-items:center;gap:13px;flex-shrink:0}.identity-mark{display:grid;place-items:center;width:43px;height:43px;background:var(--blue-strong);color:#fff;font-size:17px;font-weight:800;letter-spacing:-.06em;border-radius:12px}.identity-name{display:grid;gap:2px}.identity-name strong{font-size:15px;color:var(--ink);line-height:1.1}.identity-name small{font-size:11px;color:var(--faint)}.nav{display:flex;align-items:center;gap:24px;margin-left:auto}.nav a{font-size:13px;font-weight:650;color:var(--muted)}.nav a:hover,.nav a[aria-current=page]{color:var(--blue)}.header-actions{display:flex;align-items:center;gap:8px;margin-left:8px}.icon-btn,.lang-btn,.menu-btn{border:1px solid var(--line);border-radius:9px;height:38px;min-width:38px;background:var(--panel);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:800}.lang-btn{width:50px}.icon-btn:hover,.lang-btn:hover,.menu-btn:hover{border-color:var(--blue)}.menu-btn{display:none}.mobile-nav{display:none}.small-cta{background:var(--blue-strong);color:#fff;border-radius:9px;padding:11px 15px;font-size:12px;font-weight:750;white-space:nowrap}.small-cta:hover{color:#fff;filter:brightness(1.12)}
.hero{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);gap:44px;align-items:center;padding:72px 0 64px}.hero h1{font-size:clamp(44px,5.05vw,76px);letter-spacing:-.07em;line-height:1.055;margin:19px 0 23px;max-width:780px}.hero h1 em{color:var(--blue);font-style:normal}.hero-lead{font-size:clamp(16px,1.5vw,18px);line-height:1.75;max-width:590px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}.button{display:inline-flex;align-items:center;justify-content:center;gap:11px;min-height:46px;padding:11px 18px;border-radius:10px;font-size:13px;font-weight:750;transition:transform .15s,filter .15s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--blue-strong);color:#fff}.button-primary:hover{color:#fff;filter:brightness(1.12)}.button-outline{border:1px solid var(--line);background:var(--panel);color:var(--ink)}.button-outline:hover{border-color:var(--blue)}.hero-notes{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:28px;font-size:12px;color:var(--faint)}.hero-notes span:not(:last-child)::after{content:'·';margin-left:10px;color:var(--blue)}.hero-visual{position:relative;min-height:470px;border-radius:22px;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}.hero-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#08132335,transparent 65%);pointer-events:none}.visual-content{position:absolute;z-index:1;bottom:28px;left:30px;right:25px}.visual-top{position:absolute;z-index:1;top:24px;left:26px;right:26px;display:flex;justify-content:space-between;align-items:center;gap:16px;color:#fff;font-size:11px;letter-spacing:.1em}.visual-top span{background:#08182cb5;padding:9px 12px;border-radius:8px}.visual-content strong{color:#fff;font-size:clamp(24px,3vw,35px);line-height:1.19;max-width:340px;display:block;letter-spacing:-.045em}.visual-content p{color:#e2eefa;font-size:12px;margin-top:9px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;margin-bottom:62px;background:var(--panel)}.metric{padding:20px 23px}.metric:not(:last-child){border-right:1px solid var(--line)}.metric strong{display:block;font-size:23px;line-height:1.2;margin-bottom:5px}.metric span{display:block;color:var(--muted);font-size:12px}
.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px}.project-card{background:var(--panel);border:1px solid var(--line);border-radius:17px;min-width:0;padding:27px;display:flex;flex-direction:column;min-height:280px;transition:border-color .15s,transform .15s}.project-card:hover{border-color:var(--blue);transform:translateY(-2px)}.card-top{display:flex;justify-content:space-between;align-items:start;gap:15px;margin-bottom:18px}.project-number{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.14em}.project-kind{color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.project-card h3{font-size:23px;line-height:1.25;margin-bottom:11px}.project-card p{line-height:1.7;font-size:13px;flex:1;margin-bottom:20px}.tags{display:flex;flex-wrap:wrap;gap:7px}.tag{display:inline-block;border:1px solid var(--line);background:var(--tag);font-size:11px;color:var(--muted);border-radius:7px;padding:5px 8px;line-height:1.3}.project-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:23px}.project-actions a,.certificate a,.cv-card a{color:var(--blue);font-size:12px;font-weight:760}.project-actions a:hover,.certificate a:hover,.cv-card a:hover{text-decoration:underline;text-underline-offset:5px}.academic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.academic-grid .project-card{padding:23px;min-height:290px}.academic-grid .project-card h3{font-size:20px}.academic-grid .project-card p{font-size:12.5px}.section-note{margin-top:21px;font-size:12px;color:var(--faint)}
.research-band{display:grid;grid-template-columns:1.45fr .75fr;gap:44px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:43px;margin-bottom:36px}.research-band h3{font-size:clamp(24px,2.5vw,33px);margin:9px 0 18px}.research-band p{font-size:14px;line-height:1.9}.research-tags{display:flex;flex-wrap:wrap;gap:9px;align-content:start}.research-tags>h4{width:100%;font-size:13px;margin:7px 0 8px}.research-tags .tag{font-size:12px}.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.experience-card{border-top:2px solid var(--blue);background:var(--panel);border-radius:0 0 13px 13px;padding:27px;min-width:0}.experience-card time{font-size:12px;color:var(--blue);font-weight:750}.experience-card h3{font-size:21px;margin:15px 0 6px}.experience-card strong{font-size:12px;color:var(--ink)}.experience-card p{margin-top:13px;font-size:13px}.bottom-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px}.info-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px}.info-card h3{font-size:21px;margin-bottom:17px}.info-card p{font-size:13px}.info-card .line{border-top:1px solid var(--line);margin:19px 0}.info-card h4{font-size:15px;margin:9px 0 5px}.certificate-grid,.cv-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.certificate,.cv-card{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:27px}.certificate h3,.cv-card h3{font-size:20px;margin:8px 0 12px}.certificate p,.cv-card p{font-size:13px;margin-bottom:16px}.contact-panel{border:1px solid var(--line);border-radius:20px;padding:43px;background:linear-gradient(115deg,var(--panel),var(--panel-2));display:flex;justify-content:space-between;gap:24px;align-items:center}.contact-panel h2{font-size:clamp(25px,3vw,37px);margin:8px 0 10px}.contact-links{display:flex;gap:12px;flex-wrap:wrap}.footer{padding:34px 0 50px;display:flex;justify-content:space-between;gap:18px;color:var(--faint);font-size:12px}.footer a{color:var(--muted)}.footer a:hover{color:var(--blue)}
.page-hero{padding:74px 0 43px}.page-hero h1{font-size:clamp(43px,5.5vw,68px);margin:14px 0 17px}.page-hero p{font-size:17px;max-width:730px}.search-panel{border:1px solid var(--line);background:var(--panel);border-radius:17px;padding:21px;margin-bottom:23px}.search-toolbar{display:flex;gap:13px;align-items:center;flex-wrap:wrap}.search-field{position:relative;flex:1;min-width:250px}.search-field input{width:100%;min-height:48px;padding:11px 16px 11px 43px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:10px;outline:none}.search-field input:focus{border-color:var(--blue)}.search-icon{position:absolute;left:17px;top:13px;color:var(--faint);font-size:19px;pointer-events:none}.filter-buttons{display:flex;flex-wrap:wrap;gap:7px}.filter-buttons button{background:var(--tag);color:var(--muted);border:1px solid var(--line);border-radius:9px;padding:11px 14px;font-size:12px;font-weight:750}.filter-buttons button[aria-pressed=true]{color:#fff;background:var(--blue-strong);border-color:var(--blue-strong)}.search-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;align-items:center;margin-top:15px;font-size:12px;color:var(--faint)}.suggestions{display:flex;gap:7px;flex-wrap:wrap}.suggestions button{border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted);padding:5px 9px;font-size:11px}.suggestions button:hover{border-color:var(--blue)}.directory-results{padding-bottom:75px}.directory-results .project-card{min-height:270px}.empty-state{border:1px dashed var(--line);border-radius:12px;text-align:center;padding:60px 20px;color:var(--muted)}.directory-status{font-size:13px;color:var(--muted);margin-bottom:18px}
.cv-wrapper{max-width:920px;margin:55px auto 90px}.cv-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:23px}.cv-paper{background:#fff;color:#192b41;padding:55px 62px;box-shadow:0 15px 55px #00000018;border-radius:10px}.cv-paper h1{font-size:48px;margin-bottom:9px;color:#142339}.cv-paper .cv-subtitle{color:#4f6580;font-size:13px}.cv-paper a{color:#215f9d}.cv-paper a:hover{text-decoration:underline}.cv-paper .cv-intro{font-size:14px;color:#334960;margin:24px 0}.cv-paper h2{border-bottom:1px solid #cad3df;padding:0 0 10px;margin:31px 0 18px;font-size:17px;text-transform:uppercase;letter-spacing:.04em;color:#1b4574}.cv-paper h3{font-size:15px;color:#192b41;margin-bottom:5px}.cv-paper p{font-size:12.5px;color:#415368}.cv-entry{margin:0 0 19px;break-inside:avoid}.cv-entry-top{display:flex;justify-content:space-between;gap:14px}.cv-entry-top small{white-space:nowrap;color:#5c7085}.cv-tech{color:#285c8c!important;font-size:11px!important;margin-top:7px!important}.cv-paper .tag{background:#ecf3fa;color:#355474;border-color:#d9e5ed}.cv-paper .project-actions{margin-top:8px}.cv-paper .project-actions a{font-size:11px}.cv-paper .cv-inline{display:flex;gap:17px;flex-wrap:wrap;margin-top:14px;font-size:12px;color:#506884}
@media(max-width:1100px){.header-inner{gap:16px}.nav{gap:15px}.hero{gap:30px}.academic-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.container{width:min(100% - 40px,1220px)}.nav{display:none}.menu-btn{display:grid}.header-actions{margin-left:auto}.mobile-nav{display:none}.mobile-nav.open{display:grid;grid-template-columns:repeat(2,1fr);gap:5px 13px;padding:8px 0 20px}.mobile-nav a{padding:12px 10px;border-bottom:1px solid var(--line);font-size:13px;font-weight:650}.hero{grid-template-columns:1fr;gap:30px;padding:52px 0}.hero-visual{min-height:340px}.metrics{margin-bottom:35px}.research-band{grid-template-columns:1fr;gap:20px}.timeline{grid-template-columns:1fr}.experience-card{padding:23px}.bottom-grid{gap:17px}.small-cta{display:none}}
@media(max-width:630px){.container{width:calc(100% - 32px)}.header-inner{min-height:66px}.identity-mark{width:38px;height:38px}.identity-name strong{font-size:13px}.identity-name small{font-size:10px}.header-actions{gap:5px}.icon-btn,.lang-btn,.menu-btn{min-width:35px;height:35px}.lang-btn{width:42px}.hero{padding-top:43px}.hero h1{font-size:clamp(40px,10vw,58px)}.hero-lead{font-size:15px}.hero-visual{min-height:305px}.visual-content{bottom:22px;left:23px}.visual-top{left:22px;right:22px}.visual-content strong{font-size:25px}.metrics{grid-template-columns:repeat(2,1fr)}.metric{padding:16px}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}.metric strong{font-size:21px}.section{padding:56px 0}.section-heading{display:block}.section-heading h2{font-size:32px}.section-heading .plain-link{display:inline-block;margin-top:15px}.project-grid,.academic-grid,.certificate-grid,.cv-grid,.bottom-grid{grid-template-columns:1fr}.project-card,.academic-grid .project-card{padding:23px;min-height:0}.research-band{padding:25px}.contact-panel{padding:28px;display:block}.contact-links{margin-top:23px}.footer{flex-direction:column}.page-hero{padding:50px 0 33px}.page-hero h1{font-size:43px}.search-toolbar{display:block}.search-field{min-width:0}.filter-buttons{margin-top:13px}.filter-buttons button{flex:1;padding:10px}.cv-wrapper{margin:25px 0 65px}.cv-paper{padding:29px 22px}.cv-paper h1{font-size:37px}.cv-entry-top{display:block}.cv-entry-top small{display:block;margin-top:4px}}
@media print{@page{size:A4;margin:16mm 15mm}.site-header,.footer,.cv-toolbar{display:none!important}body,.cv-paper{background:#fff!important;color:#111!important}.cv-wrapper{max-width:none;margin:0}.cv-paper{padding:0;box-shadow:none;border-radius:0}.cv-paper h1{font-size:34pt}.cv-paper h2{font-size:13pt}.cv-entry{break-inside:avoid}.cv-paper .cv-inline{font-size:9pt}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
[hidden]{display:none!important}

/* 2026-10-28: Personal portrait and SU brand monogram — responsive, optimized assets */
.identity-mark{
 display:block;width:47px;height:47px;flex:0 0 47px;padding:0;
 object-fit:cover;object-position:center;border-radius:12px;
 background:#041d16;border:1px solid rgba(214,181,102,.27);
 box-shadow:0 2px 12px rgba(0,0,0,.13);
}
.hero-visual{
 background:#e8eef5;isolation:isolate;min-height:470px;
}
.portrait-photo{
 position:absolute;inset:0;width:100%;height:100%;display:block;
 object-fit:cover;object-position:50% 35%;
}
.hero-visual::after{
 z-index:0;background:linear-gradient(180deg,rgba(8,21,39,.05) 0%,transparent 42%,rgba(6,16,31,.93) 100%);
}
.visual-top,.visual-content{z-index:2;}
.visual-top span{background:rgba(8,24,44,.82);color:#fff;backdrop-filter:blur(6px)}
.visual-content strong{color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.6)}
.visual-content p{color:#e1eaf6;text-shadow:0 1px 12px rgba(0,0,0,.55)}
@media(max-width:630px){
 .identity-mark{width:40px;height:40px;flex-basis:40px;border-radius:10px}
 .hero-visual{min-height:380px}
 .portrait-photo{object-position:center 35%}
}

/* Evidence link for the AYESAŞ internship; visual consistency across screen sizes. */
.experience-video{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:750;margin-top:17px;min-height:35px;padding:7px 12px;border:1px solid var(--line);border-radius:9px;color:var(--blue);background:var(--panel-2)}
.experience-video:hover{border-color:var(--blue);color:var(--blue)}
.cv-paper .cv-intro{font-size:14px;line-height:1.75}
.cv-research-copy{font-size:12.5px;line-height:1.8;margin-bottom:21px}
.cv-context{font-size:11.5px;line-height:1.7;margin-bottom:19px}
.cv-paper .cv-featured-experience{padding:16px 18px;background:#f0f5fb;border-radius:10px;border-left:3px solid #2668b0}
.cv-paper .cv-featured-experience p{margin-top:7px}
.cv-paper .cv-evidence{display:flex;flex-wrap:wrap;gap:10px;margin-top:13px}
.cv-paper .cv-evidence a{display:inline-flex;align-items:center;padding:8px 11px;border:1px solid #adc7df;border-radius:8px;text-decoration:none;color:#17568e;font-weight:750}
.cv-paper .cv-evidence a:hover{background:#e2edf8}
.cv-paper .cv-skill-groups{display:grid;grid-template-columns:1fr;gap:13px}
.cv-paper .cv-skill-group{break-inside:avoid}
.cv-paper .cv-skill-group h3{font-size:12px;margin-bottom:7px;color:#335978}
.cv-paper .cv-credential{margin-bottom:10px}
@media(max-width:630px){.cv-paper .cv-featured-experience{padding:14px}.experience-video{font-size:11.5px}}
@media print{.cv-paper .cv-featured-experience{background:#fff;border-left:2px solid #526f92;padding:10px 14px}.experience-video{color:#184d79;background:#fff;border:1px solid #aab9c9}.cv-paper .cv-evidence a{padding:3px 0;border:0}}

/* Three featured credentials; use full card widths on smaller screens. */
.certificate-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.certificate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:630px){.certificate-grid{grid-template-columns:1fr}}

/* Community work is intentionally understated, distinct from professional work. */
.volunteer-panel{display:flex;align-items:center;justify-content:space-between;gap:26px;padding:32px 36px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
.volunteer-copy{max-width:740px;min-width:0}
.volunteer-panel h2{font-size:clamp(26px,3vw,36px);margin:9px 0 12px}
.volunteer-lead{max-width:660px;font-size:15px;line-height:1.75}
.volunteer-note{display:inline-block;color:var(--faint);font-size:12px;margin-top:14px}
.volunteer-link{flex:none;white-space:normal;text-align:center}
@media(max-width:900px){.volunteer-panel{padding:27px}}
@media(max-width:630px){.volunteer-panel{flex-direction:column;align-items:stretch;padding:23px;gap:18px}.volunteer-link{width:100%}}

.experience-date-link{color:var(--blue);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px}.experience-date-link:hover{text-decoration-color:currentColor}

/* Technical case study reading layout */
.study-panel{border:1px solid var(--line);border-radius:18px;padding:clamp(22px,4vw,45px);background:var(--panel)}.study-panel h2{font-size:clamp(29px,4.5vw,49px);margin:9px 0 25px}.study-panel h3{font-size:16px;margin-bottom:9px}.study-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.study-grid p{line-height:1.85;overflow-wrap:anywhere}.study-note{margin:23px 0 17px;color:var(--muted);font-size:13px;line-height:1.75}.study-panel .project-actions{display:flex;flex-wrap:wrap;gap:16px}@media(max-width:630px){.study-grid{grid-template-columns:1fr;gap:22px}.study-panel{padding:22px}.study-panel h2{font-size:30px}}

/* Unified contact buttons and controls */
.contact-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:min(100%,360px);flex-shrink:0}
.contact-links .contact-button{width:100%;min-width:0;min-height:46px;padding:11px 14px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:10px;font-size:13px;font-weight:750;justify-content:center;text-align:center}
.contact-links .contact-button:hover{border-color:var(--blue);background:var(--panel-2);color:var(--blue)}
.small-cta{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid var(--blue-strong);border-radius:10px}
.button,.filter-buttons button,.experience-video,.volunteer-link{border-radius:10px;font-weight:750}
@media(max-width:900px){.contact-links{width:min(100%,400px)}}
@media(max-width:630px){.contact-links{width:100%;grid-template-columns:repeat(2,minmax(0,1fr))}.contact-links .contact-button{padding:11px 8px}}
@media(max-width:350px){.contact-links{grid-template-columns:1fr}}


/* Immersive editorial hero: integrated portrait, accessible content and responsive stacking. */
.hero{position:relative;isolation:isolate;overflow:hidden;display:flex;align-items:center;min-height:625px;border:1px solid var(--line);border-radius:22px;padding:0;margin:34px 0 54px;background:#091827;box-shadow:var(--shadow)}
.hero-copy{z-index:2;position:relative;flex:0 0 56%;width:56%;max-width:680px;min-width:0;padding:68px clamp(28px,4vw,64px);color:#fff}
.hero .eyebrow{color:#a0caff}.hero h1{font-size:clamp(42px,4.25vw,67px);max-width:650px;line-height:1.08;letter-spacing:-.057em;margin:17px 0 20px;color:#fff}
.hero h1 em{color:#a0caff}.hero .hero-lead{color:#dce7f2;max-width:530px;font-size:clamp(15px,1.3vw,18px);line-height:1.72}
.hero .hero-notes{color:#c8d8ea}.hero .hero-notes span:not(:last-child)::after{color:#90bfff}
.hero .button-primary{background:#357cec;color:#fff;border-color:#357cec}.hero .button-outline{color:#fff;background:rgba(13,31,51,.60);border-color:rgba(224,237,255,.40)}
.hero .button-outline:hover{border-color:#e0ecff;background:rgba(20,42,65,.76);color:#fff}
.hero-visual{position:absolute;inset:0;min-height:0;overflow:hidden;border:0;border-radius:0;background:#091827;box-shadow:none;pointer-events:none}
.hero-visual .portrait-photo{position:absolute;inset:0 0 0 auto;width:68%;height:100%;object-fit:cover;object-position:50% 28%;border-radius:0;display:block}
.hero-visual::before{content:'';position:absolute;z-index:1;inset:0;background:linear-gradient(90deg,#091827 0%,rgba(9,24,39,.99) 27%,rgba(9,24,39,.93) 42%,rgba(9,24,39,.69) 55%,rgba(9,24,39,.20) 76%,transparent 91%);pointer-events:none}
.hero-visual::after{content:'';position:absolute;z-index:1;inset:0;background:linear-gradient(0deg,rgba(7,21,38,.20),transparent 35%);pointer-events:none}
@media(max-width:900px){
 .hero{flex-direction:column;align-items:stretch;min-height:0;background:transparent;border:0;box-shadow:none;overflow:visible;gap:0;padding:0;margin:22px 0 38px}
 .hero-visual{position:relative;inset:auto;order:-1;display:block;flex:none;width:100%;height:clamp(315px,55vw,470px);border-radius:18px;border:1px solid var(--line);overflow:hidden;background:#d9e3ec;box-shadow:var(--shadow)}
 .hero-visual .portrait-photo{inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 27%}
 .hero-visual::before{background:linear-gradient(0deg,rgba(9,24,39,.13),transparent 52%)}.hero-visual::after{display:none}
 .hero-copy{max-width:none;width:100%;flex:none;color:var(--ink);padding:30px 2px 0}
 .hero .eyebrow{color:var(--blue)}.hero h1{color:var(--ink);margin-top:14px;max-width:830px;font-size:clamp(38px,5vw,58px)}
 .hero h1 em{color:var(--blue)}.hero .hero-lead{color:var(--muted);max-width:760px}
 .hero .hero-notes{color:var(--faint)}.hero .hero-notes span:not(:last-child)::after{color:var(--blue)}
 .hero .button-primary{background:var(--blue-strong)}.hero .button-outline{color:var(--ink);background:var(--panel);border-color:var(--line)}
 .hero .button-outline:hover{color:var(--blue);background:var(--panel-2)}
}
@media(max-width:630px){
 .hero{margin:18px 0 32px}.hero-visual{height:clamp(285px,78vw,390px);border-radius:16px}
 .hero-visual .portrait-photo{object-position:50% 20%}.hero-copy{padding:23px 0 0}
 .hero h1{font-size:clamp(35px,10vw,49px);line-height:1.1}.hero .hero-lead{font-size:15px}
 .hero .hero-actions{gap:9px;margin-top:24px}.hero .hero-actions .button{flex:1 1 125px;min-width:0;padding:10px 11px;font-size:12px}
 .hero .hero-notes{margin-top:20px;font-size:11px}
}
@media(prefers-reduced-motion:reduce){.hero .button{transition:none}}

/* Unified image/text hero and distinct theme-aware contrast. */
.hero{--hero-fg:#fff;--hero-muted:#dce7f2;--hero-accent:#a0caff;--hero-gradient:linear-gradient(90deg,#091827 0%,rgba(9,24,39,.99) 27%,rgba(9,24,39,.92) 43%,rgba(9,24,39,.55) 60%,rgba(9,24,39,.06) 83%,transparent 98%)}
:root[data-theme="light"] .hero{--hero-fg:#152239;--hero-muted:#344660;--hero-accent:#235b9c;--hero-gradient:linear-gradient(90deg,#f5f8fd 0%,rgba(245,248,253,.99) 25%,rgba(245,248,253,.94) 43%,rgba(245,248,253,.60) 60%,rgba(245,248,253,.07) 83%,transparent 98%);background:#f5f8fd}
.hero-copy,.hero h1{color:var(--hero-fg)}.hero h1 em,.hero .eyebrow{color:var(--hero-accent)}.hero .hero-lead,.hero .hero-notes{color:var(--hero-muted)}
.hero-visual::before{background:var(--hero-gradient)}
:root[data-theme="light"] .hero .button-outline{color:#152239;background:rgba(255,255,255,.86);border-color:#c0d0e1}
@media(max-width:900px){
.hero{display:flex;flex-direction:column;align-items:stretch;gap:0;min-height:0;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:var(--panel);box-shadow:var(--shadow);padding:0}
.hero-visual{position:relative;order:-1;inset:auto;flex:0 0 auto;display:block;width:100%;height:clamp(330px,62vw,520px);border:0;border-radius:0;box-shadow:none}
.hero-visual .portrait-photo{width:100%;height:100%;object-fit:cover;object-position:50% 26%}
.hero-visual::before{background:linear-gradient(0deg,var(--panel),transparent 40%);opacity:.25}.hero-visual::after{display:none}
.hero-copy{position:relative;z-index:2;order:0;flex:0 0 auto;width:100%;max-width:none;padding:clamp(24px,4vw,42px);background:var(--panel);color:var(--ink)}
.hero h1{color:var(--ink)}.hero h1 em,.hero .eyebrow{color:var(--blue)}.hero .hero-lead{color:var(--muted)}.hero .hero-notes{color:var(--faint)}
.hero .button-outline,:root[data-theme="light"] .hero .button-outline{color:var(--ink);background:var(--panel-2);border-color:var(--line)}
}
@media(max-width:630px){.hero{margin:16px 0 30px;border-radius:16px}.hero-visual{height:clamp(285px,82vw,420px)}.hero-copy{padding:22px 19px 26px}.hero h1{font-size:clamp(33px,9.4vw,48px);overflow-wrap:break-word}}

/* Restrained featured software project: a single visual anchor among text-first cards. */
.project-grid > .project-card-featured{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:0;padding:0;overflow:hidden;min-height:0;align-items:stretch}
.project-feature-media{display:flex;align-items:center;min-width:0;overflow:hidden;background:var(--panel-2);text-decoration:none}
.project-feature-media img{width:100%;height:auto;display:block;object-fit:contain;transition:transform .22s ease}
.project-feature-media:hover img{transform:scale(1.015)}
.project-feature-content{padding:clamp(22px,2.6vw,38px);min-width:0;display:flex;flex-direction:column;justify-content:center}
.project-feature-content .card-top{margin-bottom:13px}
.project-feature-content h3{font-size:clamp(23px,2.4vw,30px)}
.project-feature-content p{flex:0 1 auto;font-size:14px;line-height:1.7;margin-bottom:19px}
.project-feature-content .project-actions{margin-top:22px}
.project-feature-media:focus-visible{outline:3px solid var(--blue);outline-offset:-4px}
@media(max-width:900px){.project-grid > .project-card-featured{grid-template-columns:1fr}.project-feature-media img{width:100%;height:auto}.project-feature-content{padding:clamp(21px,4vw,30px)}}
@media(max-width:630px){.project-grid > .project-card-featured{border-radius:15px}.project-feature-content{padding:21px}.project-feature-content h3{font-size:23px}.project-feature-content p{font-size:13px}}
@media(prefers-reduced-motion:reduce){.project-feature-media img{transition:none}.project-feature-media:hover img{transform:none}}

/* Consistent project covers at their native 16:9 ratio; no cropping, distortion or stretching. */
.project-card:has(> .project-cover-media){overflow:hidden}
.project-cover-media{display:block;flex:none;width:calc(100% + 54px);aspect-ratio:16 / 9;margin:-27px -27px 22px;overflow:hidden;border-bottom:1px solid var(--line);background:var(--panel-2)}
.project-cover-media img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}
.project-cover-media:focus-visible{outline:3px solid var(--blue);outline-offset:-4px}
.project-cover-media:hover{background:var(--tag)}
@media(max-width:630px){.project-cover-media{width:calc(100% + 44px);margin:-22px -22px 20px}}

/* Photographic evidence within professional experience cards. */
.experience-card{display:flex;flex-direction:column;min-width:0}
.experience-photo{display:block;width:100%;height:clamp(150px,16vw,210px);margin:18px 0 1px;overflow:hidden;border-radius:11px;border:1px solid var(--line);background:var(--panel-2);line-height:0;isolation:isolate;flex:0 0 auto}
.experience-photo img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 32%;transform:scale(1);transition:transform .25s ease}
.experience-photo--lentatek img{object-position:center 28%}
.experience-photo--deneyap img{object-fit:contain;object-position:center;background:var(--panel-2)}
.experience-photo:hover img{transform:scale(1.025)}
.experience-photo:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
@media(max-width:900px){.experience-photo{height:clamp(175px,32vw,270px)}}
@media(max-width:630px){.experience-photo{height:clamp(160px,52vw,235px)}}
@media(prefers-reduced-motion:reduce){.experience-photo img{transition:none}.experience-photo:hover img{transform:none}}

/* Academic technical illustrations: matched 16:9 covers, no layout distortion. */
.academic-grid .project-card{overflow:hidden}
.academic-grid .project-cover-media{width:calc(100% + 46px);margin:-23px -23px 20px;aspect-ratio:16/9}
.academic-grid .project-cover-media img{object-fit:contain}

/* Unified card gradient: exactly the same 115deg panel -> panel-2 transition
   as the original Contact section, in light AND dark themes. */
.contact-panel,
.volunteer-panel,
.research-band,
.cv-grid .cv-card,
.certificate-grid .certificate,
.bottom-grid .info-card {
  background: linear-gradient(115deg, var(--panel), var(--panel-2));
}

/* Homepage section headings stay title-only, even when an older JS bundle is cached. */
body[data-page="home"] .section-heading > div > p {display:none !important;}


/* Accessible modal photo viewer for experience and teaching images. */
.experience-photo{cursor:zoom-in}
body.experience-lightbox-open{overflow:hidden}
.experience-lightbox{
  position:fixed;inset:0;box-sizing:border-box;
  width:100vw;max-width:none;height:100dvh;max-height:none;
  margin:0;padding:clamp(14px,3vw,38px);border:0;
  background:transparent;color:#fff;overflow:auto;
}
.experience-lightbox::backdrop{background:rgba(4,9,18,.91);backdrop-filter:blur(9px)}
.experience-lightbox[open]{display:grid;place-items:center}
.experience-lightbox__frame{position:relative;width:min(100%,1120px);margin:auto;padding:12px}
.experience-lightbox__figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:12px}
.experience-lightbox__image{display:block;max-width:100%;max-height:calc(100dvh - 135px);width:auto;height:auto;object-fit:contain;border-radius:9px;box-shadow:0 18px 70px #0008}
.experience-lightbox__caption{color:#f0f3f8;font-size:13px;font-weight:650;text-align:center;line-height:1.5}
.experience-lightbox__close{
  position:fixed;z-index:1;top:max(14px,env(safe-area-inset-top));
  right:max(16px,env(safe-area-inset-right));width:44px;height:44px;
  border:1px solid rgba(255,255,255,.3);border-radius:50%;
  background:rgba(20,28,42,.92);color:#fff;font-size:29px;line-height:1;
  display:grid;place-items:center;cursor:pointer
}
.experience-lightbox__close:hover{background:#34455f}
.experience-lightbox__close:focus-visible{outline:3px solid #90b9ff;outline-offset:3px}
@media(max-width:630px){
  .experience-lightbox{padding:64px 12px 18px}
  .experience-lightbox__frame{padding:0}
  .experience-lightbox__image{max-height:calc(100dvh - 175px)}
}
@media print{.experience-lightbox{display:none!important}}

/* SadaQuran: immersive 16:9 artwork without cropping the square original.
   A full-bleed copy behind the cover prevents large empty side panels. */
.project-cover-media--sadaquran{
  position:relative;
  isolation:isolate;
  display:grid;
  place-items:center;
  overflow:hidden;
  background:#081728;
}
.project-cover-media--sadaquran::before{
  content:"";
  position:absolute;
  inset:-20px;
  z-index:-1;
  background:url("./sadaquran-radio-icon.webp") center / cover no-repeat;
  filter:blur(18px) brightness(.55) saturate(1.1);
  transform:scale(1.08);
  pointer-events:none;
}
.project-cover-media--sadaquran img{
  position:relative;
  display:block;
  width:100%;
  height:100%;
  max-width:none;
  max-height:none;
  object-fit:contain;
  object-position:center;
  border-radius:0;
  box-shadow:none;
  filter:drop-shadow(0 8px 18px rgba(0,0,0,.4));
}
.project-live-badge{
  display:inline-flex;
  align-items:center;
  vertical-align:middle;
  margin-left:9px;
  padding:4px 8px;
  border:1px solid #4c9e76;
  background:rgba(37,120,80,.16);
  color:#71db9f;
  border-radius:999px;
  font-size:10px;
  letter-spacing:.08em;
  font-weight:800;
  white-space:nowrap;
}
:root[data-theme='light'] .project-live-badge{
  color:#146b42;
  background:#e4f5e9;
  border-color:#8abca0;
}
@media(prefers-reduced-motion:reduce){
  .project-cover-media--sadaquran:hover{transform:none}
}