*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Roboto,Arial,sans-serif}
:root{--mavi:#1a73e8;--kirmizi:#d93025;--koyu:#202124;--beyaz:#fff;--gri:#f5f5f5;--acikgri:#e0e0e0;--altin:#ffd700;--turuncu:#ff6f00}
body{background:var(--beyaz);color:#333;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}

/* HEADER */
header{background:linear-gradient(135deg,var(--koyu),#2d2d2d);color:var(--beyaz);position:sticky;top:0;z-index:1000;box-shadow:0 3px 15px rgba(0,0,0,.3)}
.header-top{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;max-width:1400px;margin:0 auto;flex-wrap:wrap;gap:10px}
.logo{font-size:26px;font-weight:900;background:linear-gradient(45deg,var(--altin),var(--turuncu));-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:1px}
.logo span{-webkit-text-fill-color:var(--beyaz);background:none;color:var(--beyaz)}
.header-contact{display:flex;align-items:center;gap:15px;flex-wrap:wrap;font-size:14px}
.header-contact a{color:var(--altin);font-weight:700}
.header-contact .phone{font-size:18px;font-weight:800;color:var(--beyaz)}

/* NAV */
nav{background:rgba(255,255,255,.05);border-top:1px solid rgba(255,255,255,.1)}
nav ul{display:flex;list-style:none;max-width:1400px;margin:0 auto;padding:0 20px;overflow-x:auto;justify-content:center}
nav ul li a{display:block;padding:12px 18px;color:var(--beyaz);font-size:14px;font-weight:500;transition:.3s;white-space:nowrap;border-bottom:3px solid transparent}
nav ul li a:hover,nav ul li a.active{border-bottom-color:var(--altin);color:var(--altin);background:rgba(255,255,255,.05)}

/* HERO */
.hero{position:relative;min-height:500px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero img{position:absolute;width:100%;height:100%;object-fit:cover;top:0;left:0;z-index:0}
.hero-overlay{position:absolute;width:100%;height:100%;background:linear-gradient(135deg,rgba(0,0,0,.7),rgba(0,0,0,.4));z-index:1;top:0;left:0}
.hero-content{position:relative;z-index:2;text-align:center;color:var(--beyaz);padding:40px 20px;max-width:900px}
.hero-content h1{font-size:48px;font-weight:900;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-content h1 span{color:var(--altin)}
.hero-content p{font-size:18px;margin-bottom:25px;opacity:.95}

/* BUTTONS */
.btn{display:inline-block;padding:14px 32px;border-radius:50px;font-weight:700;font-size:15px;cursor:pointer;transition:.3s;text-transform:uppercase;letter-spacing:1px;border:none}
.btn-altin{background:linear-gradient(45deg,var(--altin),var(--turuncu));color:var(--koyu);box-shadow:0 4px 15px rgba(255,215,0,.4)}
.btn-altin:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(255,215,0,.5)}
.btn-mavi{background:var(--mavi);color:var(--beyaz);box-shadow:0 4px 15px rgba(26,115,232,.4)}
.btn-mavi:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(26,115,232,.5)}
.btn-kirmizi{background:var(--kirmizi);color:var(--beyaz)}
.btn-whatsapp{background:#25d366;color:var(--beyaz)}
.btn-whatsapp:hover{background:#1da851}

/* SECTIONS */
section{padding:60px 20px}
.container{max-width:1200px;margin:0 auto}
.section-title{text-align:center;font-size:32px;font-weight:800;margin-bottom:15px;color:var(--koyu)}
.section-title span{color:var(--mavi)}
.section-subtitle{text-align:center;font-size:16px;color:#666;margin-bottom:40px;max-width:700px;margin-left:auto;margin-right:auto}

/* ABOUT SECTION */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-grid .image-box{position:relative;border-radius:12px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.15);aspect-ratio:4/3}
.about-grid .image-box img{width:100%;height:100%;object-fit:cover}
.about-grid .content h2{font-size:28px;font-weight:800;margin-bottom:15px}

/* SERVICES */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px}
.service-card{background:var(--beyaz);border:1px solid var(--acikgri);border-radius:12px;overflow:hidden;transition:.3s;box-shadow:0 4px 10px rgba(0,0,0,.05)}
.service-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.service-card img{width:100%;height:200px;object-fit:cover}
.service-card .card-body{padding:20px}
.service-card .card-body h3{font-size:18px;margin-bottom:10px;color:var(--koyu)}
.service-card .card-body p{font-size:14px;color:#555}

/* FEATURES */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.feature-item{text-align:center;padding:30px 20px;background:var(--gri);border-radius:12px;transition:.3s}
.feature-item:hover{background:var(--mavi);color:var(--beyaz)}
.feature-item .icon{font-size:48px;margin-bottom:10px}
.feature-item h4{font-size:16px;font-weight:700}

/* CONTACT FORM */
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info-card{background:var(--koyu);color:var(--beyaz);padding:40px;border-radius:12px}
.contact-info-card h3{font-size:22px;margin-bottom:20px;color:var(--altin)}
.contact-info-card p{margin-bottom:15px;font-size:15px}
.contact-info-card a{color:var(--altin);font-weight:600}
.contact-form input,.contact-form textarea{width:100%;padding:14px;margin-bottom:15px;border:1px solid var(--acikgri);border-radius:8px;font-size:15px}
.contact-form textarea{height:150px;resize:vertical}

/* FOOTER */
footer{background:var(--koyu);color:var(--beyaz);padding:40px 20px 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;max-width:1200px;margin:0 auto}
.footer-grid h4{font-size:18px;margin-bottom:15px;color:var(--altin)}
.footer-grid ul{list-style:none}
.footer-grid ul li{margin-bottom:8px}
.footer-grid ul li a{color:#aaa;font-size:14px;transition:.3s}
.footer-grid ul li a:hover{color:var(--altin)}
.footer-bottom{text-align:center;padding:20px 0 0;margin-top:30px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#888}

/* WHATSAPP FLOATING */
.whatsapp-float{position:fixed;bottom:20px;right:20px;z-index:999;width:60px;height:60px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.5);transition:.3s;color:var(--beyaz);font-size:30px}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 30px rgba(37,211,102,.6)}

/* TEKLIF BANNER */
.teklif-banner{background:linear-gradient(135deg,var(--mavi),#0d47a1);color:var(--beyaz);text-align:center;padding:30px 20px}
.teklif-banner h3{font-size:24px;margin-bottom:10px}
.teklif-banner .btn{margin-top:10px}

/* GALLERY PAGE */
.gallery-page .product-gallery{max-width:800px;margin:0 auto}
.gallery-page .image-wrapper{margin-bottom:20px;border:1px solid var(--acikgri);padding:15px;border-radius:8px;background:var(--beyaz)}
.gallery-page .full-cover-image{width:100%;border-radius:4px;max-height:500px;object-fit:contain;background:#fafafa}
.gallery-page .pagination{display:flex;justify-content:center;flex-wrap:wrap;margin-top:25px;gap:8px}
.gallery-page .page-btn{padding:8px 14px;border:1px solid #444;background:var(--gri);cursor:pointer;border-radius:5px;font-size:14px;color:#333;transition:.3s}
.gallery-page .page-btn.active,.gallery-page .page-btn:hover{background:var(--mavi);color:var(--beyaz);border-color:var(--mavi)}

/* PAGE CONTENT */
.page-content{padding:40px 20px;max-width:900px;margin:0 auto}
.page-content h1{font-size:32px;margin-bottom:20px;color:var(--koyu)}
.page-content h2{font-size:24px;margin:25px 0 15px;color:var(--mavi)}
.page-content p{margin-bottom:15px;font-size:16px;color:#444;line-height:1.8}
.page-content ul{margin:15px 0;padding-left:20px}
.page-content ul li{margin-bottom:8px;font-size:15px}

/* CONTENT IMAGE */
.content-image{width:100%;border-radius:12px;margin:20px 0;box-shadow:0 4px 15px rgba(0,0,0,.1);max-height:450px;object-fit:cover}

/* SAYFA GALERISI */
.sayfa-galerisi{padding:60px 20px;background:var(--gri)}
.sayfa-galerisi h2{text-align:center;font-size:28px;font-weight:800;margin-bottom:30px;color:var(--koyu)}
.galeri-grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.galeri-grid-5 img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;transition:.3s;cursor:pointer}
.galeri-grid-5 img:hover{transform:scale(1.05);box-shadow:0 8px 25px rgba(0,0,0,.2)}
@media(max-width:768px){.galeri-grid-5{grid-template-columns:repeat(3,1fr);gap:8px}}
@media(max-width:480px){.galeri-grid-5{grid-template-columns:repeat(2,1fr);gap:6px}}

/* RESPONSIVE */
@media(max-width:768px){
.hero{min-height:350px}
.hero-content h1{font-size:28px}
.hero-content p{font-size:15px}
.about-grid,.contact-wrapper{grid-template-columns:1fr}
.logo{font-size:20px}
.header-contact{gap:8px;font-size:12px}
.header-contact .phone{font-size:15px}
.section-title{font-size:26px}
nav ul{justify-content:flex-start}
nav ul li a{padding:10px 12px;font-size:12px}
.features-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.services-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.hero-content h1{font-size:22px}
.btn{padding:10px 20px;font-size:13px}
section{padding:40px 15px}
.footer-grid{grid-template-columns:1fr}
.contact-info-card{padding:25px}
}

/* UTILITY */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mb-20{margin-bottom:20px}
.gap-10{gap:10px}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-wrap{flex-wrap:wrap}
.mx-auto{margin-left:auto;margin-right:auto}