:root{--navy:#0a1827;--navy2:#10283a;--orange:#d98a51;--paper:#f6f5f2;--muted:#64717c}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:'DM Sans',sans-serif;color:#172433;background:var(--paper)}h1,h2,h3,p{margin-top:0}h1,h2,h3,.brand{font-family:Manrope,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.wrap{width:min(1190px,calc(100% - 48px));margin:auto}.topline{background:#071320;color:#aebbc7;font-size:12px}.topline-in{display:flex;justify-content:space-between;align-items:center;padding:10px 0}.topline a{color:#f1d0b4}header{background:#fff;position:sticky;top:0;z-index:10;box-shadow:0 1px 12px #07132010}.nav{height:83px;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:11px;line-height:1.1}.brand-icon{color:#e8944c;font-size:37px}.brand strong{display:block;font-size:19px;letter-spacing:-.7px;color:#132b3e}.brand em{font-style:normal;color:#cc7845}.brand small{font-family:'DM Sans';display:block;font-size:8px;letter-spacing:2px;margin-top:7px;color:#7c8892}.nav nav{display:flex;align-items:center;gap:27px;font-size:13px;font-weight:700}.nav nav a:hover{color:#c87946}.nav-cta{background:#142e40;color:white!important;padding:14px 20px;border-radius:3px}.menu{display:none;border:0;background:none;font-size:28px}.hero{position:relative;min-height:650px;display:flex;align-items:center;background:#0b1c2b;color:white;overflow:hidden}.hero-img{position:absolute;inset:0;background-image:url('assets/4.jpg');background-size:cover;background-position:65% 44%;filter:brightness(.7)}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#071623 0%,#071623ed 36%,#07162380 68%,#07162344 100%)}.hero-content{position:relative;padding:88px 0 80px}.eyebrow,.kicker{font-size:11px;letter-spacing:2.4px;font-weight:800;color:var(--orange)}.eyebrow{color:#f0b485;display:flex;align-items:center;gap:12px}.dot{width:7px;height:7px;background:#e99d63;border-radius:50%}.hero h1{font-size:clamp(37px,5.4vw,69px);letter-spacing:-3px;line-height:1.15;max-width:790px;margin:27px 0}.hero h1 span,.about h2 span{color:#d99563}.hero p{color:#c4cdd5;max-width:510px;font-size:17px;line-height:1.9}.hero-actions{display:flex;gap:12px;margin-top:35px;flex-wrap:wrap}.btn{padding:16px 24px;display:inline-flex;align-items:center;gap:30px;font-weight:800;font-size:13px;border-radius:3px}.btn.primary{background:#d98a51;color:#111f2b}.btn.primary:hover{background:#f0aa77}.btn.ghost{border:1px solid #ffffff77;color:#fff}.hero-foot{display:flex;gap:26px;align-items:center;margin-top:67px;color:#b8c4cd;font-size:12px}.hero-foot b{color:white;font-size:24px;margin-right:7px}.hero-foot i{width:1px;height:28px;background:#ffffff50}.hero-index{position:absolute;bottom:30px;right:5%;font-size:10px;letter-spacing:3px;color:#ffffff9c}.features{background:#fff}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:34px 0}.feature-grid>div{padding:12px 26px;border-right:1px solid #e9ecee}.feature-grid>div:first-child{padding-left:0}.feature-grid>div:last-child{border:0}.feature-ico{color:#d18850;font-size:26px}.feature-grid h3{font-size:14px;margin:10px 0 5px}.feature-grid p{font-size:12px;color:#7b858c;margin:0}.section{padding:100px 0}.light{background:var(--paper)}.dark{background:var(--navy);color:white}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:35px}.section-head h2,.about h2,.contact-grid h2{font-size:clamp(31px,4vw,49px);line-height:1.2;letter-spacing:-2px;margin:14px 0 0}.section-head h2 span,.contact-grid h2 span{color:#c98455}.section-head>p{max-width:300px;font-size:14px;line-height:1.8;color:#72808a}.services{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px}.service{position:relative;min-height:415px;overflow:hidden;background:#0a1827}.service img{width:100%;height:100%;position:absolute;object-fit:cover;transition:transform .5s}.service:hover img{transform:scale(1.05)}.service:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#061521ed 0%,#0615210c 90%)}.service-overlay{position:absolute;z-index:1;bottom:0;left:0;padding:30px;color:white}.service-overlay span{font-size:10px;letter-spacing:1.6px;color:#f2b78b}.service-overlay h3{font-size:27px;line-height:1.2;margin:12px 0}.service-overlay p{font-size:13px;line-height:1.6;color:#e1e5e9}.service-overlay a{font-size:13px;font-weight:700;color:#ffbb86}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.about-photo{height:500px;position:relative}.about-photo img{width:100%;height:100%;object-fit:cover}.photo-tag{position:absolute;bottom:20px;left:20px;background:#df965f;padding:15px 20px;color:#152a37;font-size:11px;letter-spacing:1px;font-weight:800}.about-copy h2{margin:18px 0 24px}.about-copy p{line-height:1.9;color:#b8c4cc;font-size:15px}.text-link{display:inline-block;color:#eaa776;font-weight:800;margin:12px 0 34px}.regions{display:flex;gap:10px;flex-wrap:wrap}.regions span{border:1px solid #ffffff35;padding:10px 12px;font-size:10px;letter-spacing:1px;color:#ccd5db}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}.filter{background:transparent;border:1px solid #d6d9db;padding:10px 17px;font-size:12px;color:#46535e}.filter.active{background:#122b3e;border-color:#122b3e;color:#fff}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.project{background:white;overflow:hidden}.project[hidden]{display:none}.project img{width:100%;height:265px;object-fit:cover;display:block}.project div{padding:22px}.project span{font-size:10px;color:#bc7546;letter-spacing:1.8px;font-weight:800}.project h3{font-size:17px;margin:8px 0 0}.cta{padding:90px 0;background:#132d40;color:white}.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}.cta h2{font-size:clamp(30px,3.7vw,46px);letter-spacing:-1.7px;line-height:1.22;margin:18px 0}.cta p{color:#b8c6d1;line-height:1.8;font-size:14px}.contact-cards{display:grid;gap:15px}.contact-cards a{padding:24px;background:#fff;color:#152838;display:flex;align-items:center;justify-content:space-between;gap:15px;border-left:4px solid #dc945e}.contact-cards strong,.contact-cards small{display:block}.contact-cards strong{font-size:15px}.contact-cards small{color:#687782;margin-top:7px;font-size:12px}.contact-cards a>span{color:#bb7447;font-weight:800;font-size:12px;white-space:nowrap}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.contact-grid p{color:#7b858b;line-height:1.8}.contact-detail{margin:28px 0}.contact-detail small{display:block;color:#c07a4e;letter-spacing:1.7px;font-weight:800;margin-bottom:10px}.contact-detail strong,.contact-detail a{display:block;font-size:15px;margin:8px 0}.contact-visual{height:480px;position:relative}.contact-visual img{width:100%;height:100%;object-fit:cover}.contact-visual span{position:absolute;bottom:0;left:0;background:#122b3e;color:white;padding:15px 22px;font-size:11px;letter-spacing:2px}footer{background:#081723;color:white}.footer-main{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:55px 0}.footer-main .brand strong{color:white}.footer-main p{font-size:13px;color:#aebbc4;line-height:1.9}.footer-main>a{font-size:13px;color:#e6a272}.footer-bottom{border-top:1px solid #ffffff25;display:flex;justify-content:space-between;padding:22px 0;color:#8b9ba8;font-size:11px}@media(max-width:950px){.nav nav{gap:12px;font-size:11px}.services{grid-template-columns:1fr 1fr}.main-service{grid-column:span 2}.about-grid,.cta-grid,.contact-grid{gap:35px}.feature-grid{grid-template-columns:repeat(2,1fr)}.feature-grid>div{border-bottom:1px solid #e9ecee}.gallery{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.wrap{width:min(100% - 34px,1190px)}.topline{font-size:10px}.topline-in{gap:10px}.nav{height:70px}.brand strong{font-size:16px}.brand small{font-size:7px;letter-spacing:1px}.menu{display:block}.nav nav{display:none;position:absolute;top:70px;left:0;right:0;background:white;flex-direction:column;align-items:stretch;padding:20px 25px;box-shadow:0 10px 20px #0002}.nav nav.open{display:flex}.nav nav a{padding:10px}.hero{min-height:620px}.hero-content{padding:65px 0}.hero h1{letter-spacing:-1.7px}.hero p{font-size:15px}.hero-foot{margin-top:55px}.hero-index{display:none}.feature-grid{grid-template-columns:1fr 1fr}.feature-grid>div{padding:16px 10px!important}.feature-grid h3{font-size:12px}.feature-grid p{font-size:11px}.section{padding:68px 0}.section-head{display:block}.services,.gallery,.about-grid,.cta-grid,.contact-grid{grid-template-columns:1fr}.main-service{grid-column:auto}.service{min-height:350px}.about-photo{height:380px}.gallery{gap:16px}.project img{height:280px}.cta{padding:65px 0}.contact-visual{height:350px}.footer-main,.footer-bottom{flex-direction:column;align-items:start;gap:18px}.footer-main{padding:40px 0}.footer-bottom{padding:20px 0}.contact-cards a{padding:17px}.contact-cards a>span{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.service img{transition:none}}

/* Uygun Doğalgaz orijinal alev simgesi */
.brand-flame{display:block;width:43px;height:53px;object-fit:contain;flex-shrink:0;border-radius:5px;background:#fff}
@media(max-width:700px){.brand-flame{width:34px;height:42px}}

/* V1.2: Yeni onaylanan tam logo */
header{background:#081723}
.brand-full-logo{display:block;width:clamp(205px,23vw,310px);height:auto;object-fit:contain}
.nav nav>a:not(.nav-cta){color:#e5ebf1}
.nav nav>a:not(.nav-cta):hover{color:#f2a36e}
.nav-cta{background:#d98a51;color:#081723!important}
.menu{color:#fff}
.footer-main .brand-full-logo{width:min(310px,75vw)}
@media(max-width:700px){.brand-full-logo{width:205px}.nav nav{background:#10283a}.nav nav a{color:#fff}}

/* Marka isimleri: yetkili satıcı/iş ortaklığı iddiası içermez. */
.brand-section{background:#f5f7f9;padding:46px 0;border-top:1px solid #e8edf1;border-bottom:1px solid #e8edf1}
.brand-kicker{text-align:center;color:#65758a;font-size:11px;letter-spacing:2.4px;font-weight:800;margin-bottom:27px}
.brand-list{display:flex;align-items:center;justify-content:space-around;flex-wrap:wrap;gap:25px 38px}
.brand-name{font-size:clamp(21px,3vw,30px);font-weight:800;white-space:nowrap;letter-spacing:-.7px}
.brand-name.bosch{color:#d72a35;letter-spacing:1px}
.brand-name.buderus{color:#25639b;font-style:italic}
.brand-name.vaillant{color:#187a69}
.brand-name.demirdokum{color:#233e54}
@media(max-width:600px){.brand-section{padding:35px 0}.brand-list{display:grid;grid-template-columns:1fr 1fr;gap:25px 14px;text-align:center}.brand-name{font-size:21px}}

/* Ünmak brand addition */
.brand-name.unmak{color:#d33138;font-weight:800;letter-spacing:.045em}

/* E.C.A. marka adı */
.brand-name.eca{color:#cf2837;font-weight:800;letter-spacing:.035em}