:root{--navy:#0d1b30;--gold:#d8b765;--ink:#142239;--muted:#69768a;--pale:#f1f3f6;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"DM Sans",Arial,sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.site-shell{margin:8px auto 0;width:calc(100% - 22px);max-width:1200px;padding:20px;border-radius:14px 14px 0 0;background:var(--navy);color:#fff}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 0 20px;border-bottom:1px solid rgba(255,255,255,.16)}
.brand{display:flex;align-items:center;gap:15px;min-width:0}
.brand-mark{width:72px;height:72px;border-radius:8px;background:#fff;color:var(--navy);display:flex;flex-direction:column;align-items:center;justify-content:center;flex:none}
.brand-mark strong{font:700 23px/1 Manrope,sans-serif;letter-spacing:-1.3px}
.brand-mark small{margin-top:8px;color:#ad8b42;font-size:9px;letter-spacing:.08em}
.brand-copy{display:flex;flex-direction:column;gap:7px}
.brand-copy strong{font:700 clamp(15px,2.2vw,23px)/1.25 Manrope,sans-serif;letter-spacing:-.03em}
.brand-copy small{font-size:13px;color:var(--gold);letter-spacing:.08em}
.menu-toggle{display:none;border:0;background:transparent;color:#fff;padding:8px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px 0}
.main-nav{display:flex;align-items:center;gap:22px;font-size:13px;color:#e7ebf2}
.main-nav a:hover{color:var(--gold)}
.hero{padding:25px 0 18px}
.hero-photo-wrap{height:clamp(280px,54vw,510px);position:relative;overflow:hidden;border-radius:7px;background:#050a13}
.hero-photo{width:100%;height:100%;object-fit:cover;object-position:center 50%}
.eyebrow{font-size:13px;color:var(--gold);letter-spacing:.035em;margin:17px 0 18px}
.hero h1{font:700 clamp(28px,4.4vw,42px)/1.2 Manrope,sans-serif;letter-spacing:-.045em;max-width:850px;margin:0 0 16px;color:#fff}
.hero-copy{font-size:16px;line-height:1.6;color:#d2d9e4;max-width:850px;margin:0 0 18px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 17px;border-radius:7px;font-size:15px;font-weight:500;transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#0d1b30}
.btn-gold:hover{background:#e6c779}
.btn-outline{border:1px solid #718096;color:#fff;background:transparent}
.section{width:min(100% - 34px,1080px);margin:0 auto;padding:42px 0}
.section-heading{margin-bottom:18px}
.section-kicker{margin:0 0 9px;color:#b38f45;font-size:13px;letter-spacing:.04em}
.section h2,.contact h2{font:700 clamp(24px,3.2vw,32px)/1.25 Manrope,sans-serif;letter-spacing:-.035em;margin:0}
.services{padding-top:42px;padding-bottom:40px}
.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.service-card{min-width:0}
.service-card img{width:100%;height:clamp(190px,27vw,335px);object-fit:cover;border-radius:7px}
.card-copy{padding-top:12px}
.card-copy h3,.project-card h3{font:700 18px/1.35 Manrope,sans-serif;margin:0 0 8px;color:#171b22}
.card-copy p{font-size:14px;color:#606060;line-height:1.5;margin:0}
.projects{background:#f1f3f6;width:100%;padding:35px max(17px,calc((100% - 1046px)/2)) 27px}
.projects .section-heading{margin-bottom:16px}
.section-intro{font-size:15px;line-height:1.6;color:#6c7789;margin:14px 0 0}
.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.project-card img{width:100%;height:clamp(190px,32vw,340px);object-fit:cover;border-radius:6px}
.project-card h3{font-size:16px;margin-top:12px}
.gallery-note{font-size:13px;line-height:1.5;color:#7a8494;margin:18px 0 0}
.contact{background:var(--navy);color:#fff;padding:26px max(17px,calc((100% - 1046px)/2)) 22px}
.contact .section-kicker{color:var(--gold)}
.contact h2{max-width:700px}
.contact>p:not(.section-kicker){color:#d0d8e4;font-size:15px;line-height:1.6;margin:12px 0 15px}
.contact-button{width:100%;font-size:16px}
.contact-details{display:flex;flex-wrap:wrap;gap:10px 22px;padding-top:18px;color:#c8d1df;font-size:13px}
.contact-details a:hover{color:var(--gold)}
.footer{width:min(100% - 34px,1080px);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:20px 0;color:#7b8493;font-size:12px}
.footer a{color:#59667a}
@media(min-width:900px){.site-shell{padding:22px 28px}.hero{padding-top:26px}.hero-photo-wrap{height:460px}.hero h1{font-size:42px}.service-grid{gap:18px}.services{padding-top:48px;padding-bottom:45px}.projects{padding-top:42px;padding-bottom:32px}}
@media(max-width:640px){.site-shell{width:calc(100% - 20px);margin-top:8px;padding:19px;border-radius:14px 14px 0 0}.site-header{padding-bottom:20px}.brand{gap:14px}.brand-mark{width:72px;height:72px}.brand-copy strong{font-size:16px;max-width:260px}.brand-copy small{font-size:13px}.menu-toggle{display:block;flex:none}.main-nav{display:none;position:absolute;z-index:10;left:10px;right:10px;top:112px;padding:15px;background:#10213b;border:1px solid rgba(255,255,255,.15);border-radius:8px;flex-direction:column;align-items:stretch;gap:0}.main-nav.open{display:flex}.main-nav a{padding:12px 8px;border-bottom:1px solid rgba(255,255,255,.09)}.main-nav a:last-child{border-bottom:0}.hero{padding-top:25px;padding-bottom:18px}.hero-photo-wrap{height:clamp(280px,55vw,420px)}.hero-photo{object-position:center}.eyebrow{font-size:13px;margin-top:16px;margin-bottom:19px}.hero h1{font-size:28px;line-height:1.24;letter-spacing:-.035em;margin-bottom:17px}.hero-copy{font-size:16px;line-height:1.55;margin-bottom:16px}.hero-actions{gap:10px}.btn{font-size:15px;min-height:47px;padding:12px 14px}.section{width:calc(100% - 34px);padding:35px 0}.section-heading{margin-bottom:17px}.section h2,.contact h2{font-size:24px}.service-grid{gap:14px 15px}.service-card img{height:clamp(150px,36vw,230px)}.card-copy{padding-top:12px}.card-copy h3{font-size:18px;line-height:1.35}.card-copy p{font-size:14px;line-height:1.5}.projects{width:100%;padding:34px 17px 25px}.section-intro{font-size:15px;margin-top:14px}.project-grid{gap:11px}.project-card img{height:clamp(165px,42vw,240px)}.project-card h3{font-size:16px;line-height:1.35;margin-top:12px}.gallery-note{font-size:13px;line-height:1.5;margin-top:18px}.contact{padding:25px 17px 22px}.contact>p:not(.section-kicker){font-size:15px;margin:12px 0 15px}.contact-details{gap:10px 16px;font-size:12px}.footer{width:calc(100% - 34px);flex-wrap:wrap;font-size:11px}}
@media(max-width:380px){.site-shell{padding:14px}.brand{gap:10px}.brand-mark{width:62px;height:68px}.brand-copy strong{font-size:14px}.brand-copy small{font-size:11px}.hero h1{font-size:26px}.hero-actions .btn{font-size:14px}.service-grid{gap:12px}.card-copy h3{font-size:16px}.card-copy p{font-size:13px}.project-card h3{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Keep anchor navigation aligned with the intended section. */
#iletisim,#hizmetler,#projeler,#hakkimizda{scroll-margin-top:18px}


/* References: clear, responsive institution cards */
.references{padding-top:38px;padding-bottom:36px}
.references-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.reference-card{display:flex;align-items:center;gap:10px;min-height:82px;padding:13px;border:1px solid #e1e6ed;border-radius:8px;background:#fff;box-shadow:0 2px 8px rgba(13,27,48,.035);transition:transform .18s,border-color .18s}
.reference-card:hover{transform:translateY(-2px);border-color:#d8b765}
.reference-mark{width:38px;height:38px;display:flex;align-items:center;justify-content:center;flex:none;border-radius:7px;background:#0d1b30;color:#d8b765;font:800 12px/1 Manrope,sans-serif;letter-spacing:-.04em}
.reference-name{font-size:13px;line-height:1.35;font-weight:600;color:#18263b;flex:1}
.reference-arrow{color:#b38f45;font-size:16px;flex:none}
@media(max-width:850px){.references-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.references-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.reference-card{min-height:78px;padding:10px;gap:8px}.reference-mark{width:32px;height:32px;font-size:10px}.reference-name{font-size:12px}}
@media(max-width:360px){.references-grid{grid-template-columns:1fr}}