:root{
  --navy:#07182b;
  --navy-2:#0e2944;
  --ink:#132235;
  --muted:#617083;
  --soft:#f3f6f9;
  --white:#fff;
  --orange:#f58220;
  --orange-2:#ffb064;
  --line:#dfe7ef;
  --radius:22px;
  --shadow:0 22px 60px rgba(7,24,43,.16);
  --container:min(1220px,calc(100% - 48px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;color:var(--ink);background:var(--soft);line-height:1.6;font-size:16px}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{width:var(--container);margin-inline:auto}.screen-reader-text{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;background:#fff;color:#000;z-index:99999;padding:10px 14px;border-radius:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:4px;border:1px solid transparent;font-weight:900;line-height:1.1;transition:.18s ease;white-space:nowrap}.btn:hover{transform:translateY(-2px)}.btn.primary{background:var(--orange);color:#fff;box-shadow:0 14px 30px rgba(245,130,32,.28)}.btn.light{background:#fff;color:var(--navy)}.btn.dark{background:var(--navy);color:#fff}.btn.ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}.btn.outline{background:#fff;border-color:var(--line);color:var(--navy)}.btn.dark-outline{background:#fff;border-color:var(--line);color:var(--navy)}.btn.large{padding:16px 28px}.btn.block{width:100%;margin-top:12px}
.site-header{position:sticky;top:0;z-index:1000;background:#fff;box-shadow:0 12px 28px rgba(7,24,43,.10)}.topbar{background:#061529;color:#d8e4ef;font-size:.86rem}.navline{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.top-link{color:#fff;font-weight:800}.top-link.strong{color:var(--orange-2)}.header-main{min-height:88px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);min-width:max-content}.brand-mark{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#fff,#f3f6f9);border:6px solid var(--orange);outline:3px solid var(--navy);color:var(--navy);font-weight:1000;font-size:.9rem;letter-spacing:-.05em}.brand-copy{display:grid;line-height:1.05}.brand-copy strong{font-size:1.2rem;letter-spacing:.02em}.brand-copy small{color:var(--navy);font-weight:900}.main-navigation{margin-left:auto}.menu{display:flex;align-items:center;gap:4px;margin:0;padding:0;list-style:none}.menu a{display:block;color:var(--navy);font-weight:900;font-size:.94rem;padding:14px 13px;border-bottom:3px solid transparent}.menu a:hover,.menu .current-menu-item>a{color:var(--orange);border-bottom-color:var(--orange)}.menu-toggle{display:none;margin-left:auto;background:var(--navy);color:#fff;border:0;border-radius:4px;padding:10px 15px;font-weight:900}.header-actions{display:flex;align-items:center;gap:10px}.header-actions .btn.ghost{background:var(--navy);color:#fff;border-color:var(--navy)}.header-actions .btn.primary{border-radius:4px}
.home-hero{position:relative;min-height:620px;display:grid;align-items:center;overflow:hidden;background:var(--navy)}.home-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center right;filter:saturate(1.05) contrast(1.04)}.home-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,14,26,.96) 0%,rgba(7,24,43,.88) 52%,rgba(7,24,43,.35) 100%)}.home-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.48fr);gap:clamp(26px,5vw,82px);align-items:center;padding:86px 0 110px}.eyebrow{display:inline-flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.09em;font-weight:1000;font-size:.78rem;color:var(--orange);margin-bottom:12px}.eyebrow:before{content:"";width:34px;height:2px;background:var(--orange);border-radius:999px}.eyebrow.dark{color:#d26913}.eyebrow.dark:before{background:#d26913}.home-hero-copy h1{margin:.05em 0 .25em;color:#fff;font-size:clamp(2.45rem,5vw,4.75rem);line-height:1.02;letter-spacing:-.055em;max-width:900px}.home-hero-copy h1 strong{color:var(--orange);font-weight:inherit}.home-hero-copy p{color:#e4edf5;font-size:clamp(1.05rem,1.28vw,1.25rem);max-width:760px}.trust-points{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:34px 0 0;max-width:900px}.trust-points span{display:grid;gap:4px;color:#fff}.trust-points b{font-size:.95rem}.trust-points small{color:#d7e3ed;line-height:1.35}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.hero-actions.center{justify-content:center}.hero-quality-card{align-self:end;background:rgba(7,24,43,.92);border:1px solid rgba(255,255,255,.25);box-shadow:var(--shadow);border-radius:10px;padding:28px;color:#fff}.hero-quality-card h2{margin:0 0 12px;color:var(--orange);font-size:1.65rem;line-height:1.15}.hero-quality-card p{margin:0;color:#e3edf6}.home-service-strip{position:relative;z-index:2;margin-top:-48px}.service-line-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0}.line-card{background:#fff;border:1px solid var(--line);overflow:hidden;box-shadow:0 12px 34px rgba(8,21,35,.08);transition:.2s ease}.line-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.line-card img{width:100%;aspect-ratio:4/2.1;object-fit:cover}.line-card div{padding:22px}.line-card h3{margin:0 0 10px;color:var(--navy);font-size:1.32rem;line-height:1.18}.line-card p{margin:0 0 14px;color:var(--muted);font-size:.98rem}.line-card span{color:var(--navy);font-weight:1000}.section{padding:86px 0}.section-head{max-width:940px;margin-bottom:34px}.section-head.narrow{max-width:780px}.section-head h2,.areas-copy h2,.why-layout h2,.final-cta h2{font-size:clamp(2rem,3vw,3.25rem);line-height:1.08;margin:.1em 0 .36em;color:var(--navy);letter-spacing:-.035em}.section-head p,.areas-copy>p{font-size:1.08rem;color:var(--muted);max-width:850px}.service-areas-section{background:#fff}.areas-layout{display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.2fr);gap:clamp(24px,4vw,58px);align-items:start}.area-callout{margin-top:24px;background:linear-gradient(135deg,#07182b,#0e2944);border-radius:10px;color:#fff;padding:26px;box-shadow:var(--shadow)}.area-callout strong{display:block;color:#fff;line-height:1.35}.area-callout .check-list{margin:18px 0 0}.check-list{list-style:none;margin:22px 0;padding:0}.check-list li{position:relative;padding-left:30px;margin:10px 0;color:#415164}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--orange);font-weight:1000}.light-list li{color:#fff}.icon-area-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.icon-area-grid span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:72px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 12px;font-weight:900;color:var(--navy);box-shadow:0 10px 26px rgba(8,21,35,.055)}.why-section{background:#fff;border-top:1px solid var(--line)}.why-layout{display:grid;grid-template-columns:1fr .92fr;gap:clamp(28px,5vw,70px);align-items:center}.why-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:28px}.why-grid div{background:#fff;border:1px solid var(--line);border-radius:12px;text-align:center;padding:18px 12px;box-shadow:0 8px 24px rgba(8,21,35,.05)}.why-grid b{display:block;color:var(--navy);line-height:1.25}.why-grid small{display:block;color:var(--muted);font-size:.82rem;margin-top:8px}.team-photo{margin:0;border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}.team-photo img{width:100%;aspect-ratio:16/9;object-fit:cover}.operations-section{background:var(--soft)}.visual-proof-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.visual-proof-grid figure{position:relative;margin:0;border-radius:12px;overflow:hidden;min-height:230px;background:#07111f;box-shadow:0 12px 34px rgba(8,21,35,.1)}.visual-proof-grid img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;filter:saturate(1.02) contrast(1.02)}.visual-proof-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:36px 18px 16px;color:#fff;font-weight:1000;background:linear-gradient(180deg,transparent,rgba(5,13,23,.92));line-height:1.2}.services-section{background:#fff}.service-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.service-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 12px 34px rgba(8,21,35,.08);transition:.2s ease}.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.service-card img{width:100%;aspect-ratio:4/2.65;object-fit:cover}.service-card-body{padding:20px}.service-card h3{margin:0 0 9px;color:var(--navy);font-size:1.22rem;line-height:1.2}.service-card p{color:var(--muted);font-size:.96rem;margin:0 0 16px}.service-card span{color:#d26913;font-weight:1000}.final-cta{padding:88px 0;text-align:center;background:linear-gradient(135deg,rgba(7,24,43,.96),rgba(7,24,43,.88)),url('../img/endustriyel-bakim-sahalari.webp') center/cover;color:#fff}.final-cta h2{color:var(--orange);margin-top:0}.final-cta p{max-width:760px;margin:0 auto;color:#d8e4ee}.page-hero{position:relative;min-height:370px;display:grid;align-items:end;background:var(--navy);overflow:hidden}.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(1.05) contrast(1.04)}.page-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,13,23,.94),rgba(8,21,35,.58))}.page-hero-inner{position:relative;z-index:1;padding:72px 0;color:#fff}.page-hero h1{font-size:clamp(2.25rem,4vw,4.5rem);line-height:1.04;letter-spacing:-.045em;margin:.05em 0 .18em}.page-hero p{color:#dce6ee;max-width:900px;font-size:1.12rem}.page-content-section{background:var(--soft)}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:38px;align-items:start}.content-layout.wide{display:block}.entry-content{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 36px rgba(8,21,35,.07);padding:clamp(24px,3vw,46px)}.entry-content h2{font-size:clamp(1.6rem,2.4vw,2.5rem);line-height:1.12;color:var(--navy);margin:34px 0 14px}.entry-content p,.entry-content li{color:#47586a}.entry-content blockquote{border-left:5px solid var(--orange);margin:30px 0;padding:20px 24px;background:#fff7ec;border-radius:0 12px 12px 0;font-size:1.28rem;color:#4d3214;font-weight:900}.lead-text{font-size:1.15rem!important;color:#26384a!important}.usta-image{margin:0 0 26px;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);background:#07111f}.usta-image img{width:100%;aspect-ratio:16/9;object-fit:cover}.inline-contact{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.sidebar-card{position:sticky;top:138px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:24px}.sidebar-card h2{margin-top:0;color:var(--navy)}.sidebar-card p{color:var(--muted)}.mini-contact{display:grid;gap:8px;margin-top:18px;font-size:.96rem}.mini-contact a{color:#26384a;font-weight:800}.contact-list{list-style:none;margin:22px 0;padding:0}.contact-list li{margin:10px 0}.entry-content .service-grid,.seed-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.entry-content .line-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}.faq-list summary{font-weight:1000;color:var(--navy);cursor:pointer}.faq-list p{color:var(--muted);margin:10px 0 0}.site-footer{background:#050d17;color:#d9e4ec}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:38px;padding:62px 0}.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:1000;font-size:1.05rem}.site-footer h3{color:#fff;margin-top:0}.site-footer p,.site-footer li{color:#c1cfdb}.site-footer ul{padding-left:18px}.site-footer a:hover{color:#fff}.footer-note{border-left:4px solid var(--orange);padding-left:14px}.footer-contact{list-style:none!important;padding:0!important}.footer-actions{display:flex;gap:10px;flex-wrap:wrap}.footer-actions .btn.light{background:#fff;color:var(--navy)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);font-size:.9rem}.footer-bottom .container{display:flex;justify-content:space-between;gap:18px;padding:18px 0}.mobile-sticky{position:fixed;left:12px;right:12px;bottom:12px;z-index:1200;display:none;grid-template-columns:repeat(3,1fr);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}.mobile-sticky a{text-align:center;padding:13px 8px;font-weight:1000}.mobile-sticky a:first-child{background:var(--navy);color:#fff}.mobile-sticky a:nth-child(2){background:var(--orange);color:#fff}.mobile-sticky a:nth-child(3){background:#fff;color:var(--navy)}@media (max-width:1280px){.service-grid,.service-line-grid{grid-template-columns:repeat(2,1fr)}.why-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:1080px){.topbar .navline span:nth-child(2){display:none}.menu-toggle{display:inline-flex}.header-actions{display:none}.header-main{flex-wrap:wrap}.main-navigation{display:none;width:100%;order:5;margin-left:0}.main-navigation.is-open{display:block}.menu{display:grid;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;margin-bottom:14px}.menu a{color:var(--navy);padding:12px 14px;border-bottom:0}.home-hero-inner,.areas-layout,.why-layout,.content-layout{grid-template-columns:1fr}.home-hero{min-height:auto}.hero-quality-card{max-width:720px}.trust-points{grid-template-columns:repeat(2,1fr)}.icon-area-grid{grid-template-columns:repeat(2,1fr)}.visual-proof-grid{grid-template-columns:repeat(2,1fr)}.sidebar-card{position:static}.footer-grid{grid-template-columns:1fr 1fr}.entry-content .service-grid,.seed-grid,.entry-content .line-grid{grid-template-columns:1fr}}@media (max-width:720px){body{font-size:15px;padding-bottom:84px}.topbar .navline{justify-content:center;text-align:center}.topbar .navline span:first-child{display:none}.container{width:min(100% - 32px,1220px)}.brand-copy strong{font-size:.95rem}.brand-mark{width:46px;height:46px}.home-hero-inner{padding:54px 0 96px}.home-hero-copy h1{font-size:2.45rem}.hero-actions,.inline-contact,.footer-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn,.inline-contact .btn,.footer-actions .btn{width:100%}.trust-points,.service-grid,.service-line-grid,.icon-area-grid,.visual-proof-grid,.why-grid{grid-template-columns:1fr}.home-service-strip{margin-top:-42px}.footer-grid{grid-template-columns:1fr}.footer-bottom .container{display:grid;text-align:center}.footer-bottom span:last-child{display:none}.page-hero{min-height:310px}.entry-content{padding:22px}.mobile-sticky{display:grid}.site-footer{padding-bottom:92px}.usta-image img{aspect-ratio:4/3}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* v1.0.2 footer and page refinements */
.site-footer{background:#fff;color:var(--navy);border-top:1px solid var(--line)}
.footer-brand{color:var(--navy)}
.site-footer h3{color:var(--navy)}
.site-footer p,.site-footer li{color:#4f6072}
.footer-note{color:#4f6072}
.footer-bottom{border-top:1px solid var(--line);background:#fff;color:#536476}
.footer-actions .btn.primary{color:#fff}.footer-actions .btn.light{border:1px solid var(--line)}.footer-actions .btn.outline{background:var(--navy);color:#fff;border-color:var(--navy)}


/* v1.0.3 hizmetler sayfası profesyonel revizyon */
.section-head.wide{max-width:1120px}
.services-landing{background:var(--soft)}
.pillar-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:34px 0 62px}
.pillar-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 16px 42px rgba(8,21,35,.09);display:flex;flex-direction:column;min-height:100%}
.pillar-card img{width:100%;aspect-ratio:4/2.55;object-fit:cover}
.pillar-card-body{padding:24px}
.pillar-card h3{font-size:1.38rem;line-height:1.18;margin:0 0 12px;color:var(--navy)}
.pillar-card p{margin:0 0 14px;color:var(--muted)}
.compact-list{margin-top:16px}
.compact-list li{font-size:.95rem;margin:7px 0;color:#405163}
.service-group-block{margin-top:58px}
.group-head{display:grid;grid-template-columns:74px minmax(0,1fr);gap:18px;align-items:start;margin-bottom:24px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.group-head>span{width:62px;height:62px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--orange),#ffb15f);color:#fff;font-weight:1000;font-size:1.35rem;box-shadow:0 12px 28px rgba(245,130,32,.25)}
.group-head h2{margin:0 0 8px;color:var(--navy);font-size:clamp(1.8rem,2.6vw,2.75rem);line-height:1.08;letter-spacing:-.03em}
.group-head p{margin:0;color:var(--muted);font-size:1.05rem;max-width:900px}
.balanced-service-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.three-service-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.areas-mini-panel{margin-top:66px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:34px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.areas-mini-panel h2{margin:.05em 0 .35em;color:var(--navy);font-size:clamp(1.75rem,2.5vw,2.65rem);line-height:1.1}
.areas-mini-panel p{margin:0;color:var(--muted);max-width:820px}
.seed-pillar-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1280px){
  .balanced-service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1080px){
  .pillar-grid,.seed-pillar-grid,.three-service-grid{grid-template-columns:1fr}
  .areas-mini-panel{display:grid}
}
@media (max-width:720px){
  .group-head{grid-template-columns:1fr}
  .group-head>span{width:52px;height:52px}
  .areas-mini-panel{padding:24px}
}

/* v1.0.4 homepage and hizmetler restructuring */
.home-hero-v2{min-height:760px}
.hero-v2-layout{grid-template-columns:minmax(0,1fr);align-items:center}
.hero-v2-copy{max-width:920px}
.trust-points-v2{margin-top:28px}
.center-head{text-align:center;max-width:980px;margin:0 auto 34px}
.center-head p{margin-left:auto;margin-right:auto}
.center-eyebrow{justify-content:center}.center-eyebrow:before{display:none}
.compact-head h2{font-size:clamp(2rem,3.4vw,3.4rem);line-height:1.08;letter-spacing:-.04em}
.compact-head p{font-size:1.04rem;max-width:900px}
.three-pillar-section{background:var(--navy);padding-top:54px}
.three-pillar-section .section-head h2,.three-pillar-section .section-head p{color:#fff}.three-pillar-section .section-head p{color:#d7e3ee}.three-pillar-section .center-eyebrow{color:var(--orange)}
.pillar-grid-main{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.pillar-card-main{position:relative;border:1px solid rgba(255,255,255,.16);background:#08203a}.pillar-card-main img{aspect-ratio:4/3;object-fit:cover}.pillar-card-main .pillar-card-body{background:#08203a}.pillar-card-main h3,.pillar-card-main p,.pillar-card-main li{color:#fff}.pillar-card-main p,.pillar-card-main li{color:#d7e3ee}
.pillar-number{position:absolute;left:14px;top:14px;z-index:3;display:inline-grid;place-items:center;width:54px;height:54px;border-radius:12px;background:linear-gradient(135deg,var(--orange),#ffb15f);color:#fff;font-weight:1000;font-size:1.25rem;box-shadow:0 12px 24px rgba(245,130,32,.28)}
.text-link{display:inline-flex;align-items:center;gap:8px;margin-top:10px;color:var(--orange-2);font-weight:1000}.text-link:after{content:'→';font-size:1.15em}
.areas-section-v2{background:#fff}.area-grid-v2{grid-template-columns:repeat(4,minmax(0,1fr))}
.dark-reasons-section{background:linear-gradient(135deg,#04101e,#0b2240);color:#fff}.light-head h2,.light-head p{color:#fff}.light-head p{color:#d8e4ee}.dark-reasons-section .eyebrow{color:var(--orange)}
.reasons-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.reasons-grid>div{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:22px;display:grid;gap:8px;box-shadow:0 12px 30px rgba(0,0,0,.12)}.reasons-grid strong{font-size:1.06rem;color:#fff}.reasons-grid small{color:#cfe0ef;line-height:1.5}
.final-cta-v2{padding:74px 0;background:linear-gradient(135deg,rgba(7,24,43,.94),rgba(7,24,43,.9)),url('../img/hero-kurumsal-muhendislik.webp') center/cover;color:#fff}
.final-cta-v2 h2{font-size:clamp(2rem,3.1vw,3.25rem);line-height:1.08;letter-spacing:-.04em;color:#fff}
.final-cta-v2 .btn.ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
@media (max-width:1280px){.pillar-grid-main,.area-grid-v2,.reasons-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:1080px){.navline{justify-content:center;text-align:center}.navline span{width:auto}.three-pillar-section{padding-top:44px}}
@media (max-width:720px){.home-hero-v2{min-height:auto}.pillar-grid-main,.area-grid-v2,.reasons-grid{grid-template-columns:1fr}.pillar-number{width:46px;height:46px;font-size:1.05rem}.compact-head h2{font-size:1.9rem}.three-pillar-section{padding-top:34px}}