/* =============================================
   KURON METAL — Ana Stil Dosyası
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --red:       #C8102E;
  --red-dark:  #a50d25;
  --dark:      #1a1a1a;
  --dark2:     #2c2c2c;
  --gray:      #6b6b6b;
  --gray-light:#f5f5f5;
  --border:    #e0e0e0;
  --white:     #ffffff;
  --shadow:    0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
  --radius:    8px;
  --radius-lg: 14px;
  --transition:0.25s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--dark);background:var(--white);line-height:1.6;font-size:15px}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
ul{list-style:none}

/* HEADER */
.header{position:sticky;top:0;z-index:1000;background:var(--white);box-shadow:0 2px 12px rgba(0,0,0,.10)}
.header-top{background:var(--dark);color:var(--white);text-align:right;padding:6px 40px;font-size:13px}
.header-top a{color:#ccc;transition:color var(--transition)}
.header-top a:hover{color:var(--red)}
.header-top .sep{margin:0 10px;color:#555}
.header-main{display:flex;align-items:center;justify-content:space-between;padding:12px 40px;background:var(--white)}
.logo img{height:64px;width:auto;object-fit:contain}

.nav{display:flex;align-items:center;gap:4px}
.nav>li{position:relative}
.nav>li>a{display:flex;align-items:center;gap:4px;padding:10px 16px;font-size:13.5px;font-weight:600;letter-spacing:.4px;color:var(--dark);border-radius:var(--radius);transition:background var(--transition),color var(--transition);white-space:nowrap}
.nav>li>a:hover,.nav>li>a.active{background:var(--red);color:var(--white)}
.nav>li>a .arrow{font-size:10px;transition:transform var(--transition)}
.nav>li:hover>a .arrow{transform:rotate(180deg)}
.dropdown{display:none;position:absolute;top:calc(100% + 4px);left:0;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:240px;z-index:999;overflow:hidden}
.nav>li:hover .dropdown{display:block}
.dropdown li a{display:block;padding:10px 20px;font-size:13.5px;color:var(--dark);transition:background var(--transition),color var(--transition);border-bottom:1px solid var(--gray-light)}
.dropdown li:last-child a{border-bottom:none}
.dropdown li a:hover{background:var(--red);color:var(--white)}

.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{display:block;width:26px;height:3px;background:var(--dark);border-radius:2px;transition:all var(--transition)}
.hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.mobile-nav{display:none;background:var(--dark);padding:10px 0 20px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:10px 24px;color:#ccc;font-size:14px;border-bottom:1px solid rgba(255,255,255,.06);transition:color var(--transition)}
.mobile-nav a:hover{color:var(--red)}
.mobile-nav .sub-label{padding:8px 24px 4px;font-size:11px;color:#555;text-transform:uppercase;letter-spacing:1px}

/* HERO */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:var(--dark)}
.hero-bg{position:absolute;inset:0;background-image:url('https://www.bsnmetal.com.tr/img/sicak-haddelenmis-hrp-rulo--paket-sac-4274.jpg');background-size:cover;background-position:center;filter:brightness(.35)}
.hero-content{position:relative;z-index:2;max-width:700px;padding:80px 40px}
.hero-badge{display:inline-block;background:var(--red);color:var(--white);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;padding:5px 14px;border-radius:30px;margin-bottom:20px}
.hero-content h1{font-size:42px;font-weight:800;color:var(--white);line-height:1.2;margin-bottom:18px}
.hero-content h1 span{color:var(--red)}
.hero-content p{color:#ccc;font-size:16px;margin-bottom:32px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:var(--radius);font-size:14px;font-weight:700;cursor:pointer;transition:all var(--transition);border:none;font-family:'Inter',sans-serif}
.btn-red{background:var(--red);color:var(--white)}
.btn-red:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(200,16,46,.4)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{border-color:var(--white);background:rgba(255,255,255,.1)}

/* SECTIONS */
section{padding:70px 40px}
.container{max-width:1200px;margin:0 auto}
.section-label{display:inline-block;color:var(--red);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.section-title{font-size:30px;font-weight:800;color:var(--dark);margin-bottom:10px}
.section-sub{color:var(--gray);font-size:15px;max-width:600px;margin-bottom:40px}
.bg-gray{background:var(--gray-light)}

/* SERVICE CARDS */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--white);transition:transform var(--transition),box-shadow var(--transition)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service-card img{width:100%;height:200px;object-fit:cover}
.service-card-body{padding:20px}
.service-card-body h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--dark)}
.service-card-body p{font-size:13.5px;color:var(--gray)}
.service-card-body .link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;color:var(--red);font-weight:600;font-size:13px;transition:gap var(--transition)}
.service-card-body .link:hover{gap:10px}

/* PRODUCT GRID */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition)}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.product-card .img-wrap{overflow:hidden;height:180px}
.product-card .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.product-card:hover .img-wrap img{transform:scale(1.07)}
.product-card-body{padding:16px}
.product-card-body h4{font-size:14px;font-weight:700;margin-bottom:6px;color:var(--dark);line-height:1.3}
.product-card-body p{font-size:12.5px;color:var(--gray);margin-bottom:12px}
.product-card-body a{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--red);transition:gap var(--transition)}
.product-card-body a:hover{gap:9px}

/* SECTORS */
.sectors-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.sector-card{text-align:center;padding:32px 20px;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition)}
.sector-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.sector-icon{width:64px;height:64px;background:rgba(200,16,46,.10);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px}
.sector-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.sector-card p{font-size:13px;color:var(--gray)}

/* ABOUT STRIP */
.about-strip{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-strip img{border-radius:var(--radius-lg);width:100%;height:380px;object-fit:cover}
.about-text h2{font-size:32px;font-weight:800;margin-bottom:16px}
.about-text p{color:var(--gray);margin-bottom:16px}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}
.stat{text-align:center}
.stat strong{display:block;font-size:28px;font-weight:800;color:var(--red)}
.stat span{font-size:12px;color:var(--gray)}

/* PAGE HERO */
.page-hero{background:var(--dark);color:var(--white);padding:60px 40px;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:var(--red);opacity:.08;clip-path:polygon(60% 0,100% 0,100% 100%,40% 100%)}
.page-hero h1{font-size:36px;font-weight:800;margin-bottom:10px;position:relative}
.page-hero p{color:#aaa;position:relative}
.breadcrumb{display:flex;gap:8px;align-items:center;margin-top:12px;font-size:13px;color:#888;position:relative}
.breadcrumb a{color:#aaa}
.breadcrumb a:hover{color:var(--red)}
.breadcrumb .sep{color:#555}

/* CONTENT */
.content-block{max-width:900px}
.content-block h2{font-size:26px;font-weight:700;margin-bottom:16px}
.content-block p{color:var(--gray);margin-bottom:14px;line-height:1.8}
.content-block ul{margin:16px 0 16px 0}
.content-block ul li{color:var(--gray);padding:5px 0 5px 22px;position:relative}
.content-block ul li::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:8px;background:var(--red);border-radius:50%}

.vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:40px}
.vm-card{background:var(--gray-light);border-radius:var(--radius-lg);padding:30px;border-left:4px solid var(--red)}
.vm-card h3{font-size:18px;font-weight:700;margin-bottom:12px;color:var(--red)}
.vm-card p{color:var(--gray);font-size:14px;line-height:1.8}

.info-table{width:100%;border-collapse:collapse;margin-top:30px;font-size:14px}
.info-table td{padding:12px 16px;border:1px solid var(--border)}
.info-table td:first-child{font-weight:600;background:var(--gray-light);width:200px}

.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:20px}
.cert-card{background:var(--gray-light);border-radius:var(--radius-lg);padding:30px 24px;text-align:center;border:1px solid var(--border);transition:box-shadow var(--transition)}
.cert-card:hover{box-shadow:var(--shadow)}
.cert-icon{font-size:48px;margin-bottom:16px}
.cert-card h4{font-size:15px;font-weight:700;margin-bottom:8px}
.cert-card p{font-size:13px;color:var(--gray)}

.quality-list{margin-top:30px}
.quality-item{display:flex;gap:20px;padding:24px;margin-bottom:16px;background:var(--gray-light);border-radius:var(--radius);border-left:4px solid var(--red)}
.quality-num{flex-shrink:0;width:40px;height:40px;background:var(--red);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.quality-item h4{font-size:15px;font-weight:700;margin-bottom:6px}
.quality-item p{font-size:13.5px;color:var(--gray)}

/* SERVICE DETAIL */
.service-detail{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:50px 0;border-bottom:1px solid var(--border)}
.service-detail:last-child{border-bottom:none}
.service-detail.reverse{direction:rtl}
.service-detail.reverse>*{direction:ltr}
.service-detail img{width:100%;height:320px;object-fit:cover;border-radius:var(--radius-lg)}
.service-detail h2{font-size:26px;font-weight:800;margin-bottom:16px}
.service-detail p{color:var(--gray);margin-bottom:12px;line-height:1.8}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px}
.contact-form{background:var(--gray-light);border-radius:var(--radius-lg);padding:36px}
.contact-form h3{font-size:20px;font-weight:700;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--dark)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:'Inter',sans-serif;background:var(--white);color:var(--dark);transition:border-color var(--transition)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--red)}
.form-group textarea{resize:vertical;min-height:110px}
.form-msg{font-size:13px;margin-top:10px;padding:10px 14px;border-radius:var(--radius);display:none}
.form-msg.success{background:#d4edda;color:#155724;display:block}
.form-msg.error{background:#f8d7da;color:#721c24;display:block}

.contact-info h3{font-size:20px;font-weight:700;margin-bottom:24px}
.contact-item{display:flex;gap:16px;padding:20px;background:var(--gray-light);border-radius:var(--radius);margin-bottom:16px;align-items:flex-start}
.contact-item-icon{width:44px;height:44px;background:var(--red);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.contact-item strong{display:block;font-size:13px;margin-bottom:4px;color:var(--dark)}
.contact-item span{font-size:13.5px;color:var(--gray)}
.contact-item a{color:var(--red)}
.tax-box{background:var(--gray-light);border-radius:var(--radius);padding:18px;border-left:3px solid var(--red);margin-top:16px}
.tax-box p{font-size:13px;color:var(--gray);margin-bottom:6px}
.tax-box p:last-child{margin:0}
.tax-box strong{color:var(--dark)}

.map-wrap{margin-top:40px}
.map-wrap h3{font-size:20px;font-weight:700;margin-bottom:20px}
.map-wrap iframe{border-radius:var(--radius-lg);width:100%;border:none}

/* FOOTER */
.footer{background:var(--dark);color:#ccc}
.footer-main{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:50px;padding:60px 40px;max-width:1200px;margin:0 auto}
.footer-brand img{height:56px;width:auto;margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.8;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;background:rgba(255,255,255,.08);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;transition:background var(--transition);color:#ccc}
.footer-social a:hover{background:var(--red);color:var(--white)}
.footer-col h4{font-size:14px;font-weight:700;color:var(--white);margin-bottom:18px;text-transform:uppercase;letter-spacing:1px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:13.5px;color:#aaa;transition:color var(--transition),padding-left var(--transition);display:flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:var(--red);padding-left:4px}
.footer-col ul li a::before{content:'›';color:var(--red)}
.footer-contact-item{display:flex;gap:12px;margin-bottom:14px;align-items:flex-start}
.footer-contact-item .icon{color:var(--red);font-size:16px;margin-top:2px;flex-shrink:0}
.footer-contact-item span{font-size:13px;color:#aaa;line-height:1.6}
.footer-contact-item a{color:#aaa;transition:color var(--transition)}
.footer-contact-item a:hover{color:var(--red)}
.footer-tax{margin-top:20px;padding:14px;background:rgba(255,255,255,.05);border-radius:var(--radius);border-left:3px solid var(--red)}
.footer-tax p{font-size:12px;color:#888;margin-bottom:4px}
.footer-tax p:last-child{margin-bottom:0}
.footer-tax strong{color:#ccc}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);text-align:center;padding:18px 40px;font-size:12.5px;color:#666}
.footer-bottom a{color:var(--red)}

/* RESPONSIVE */
@media(max-width:1024px){.product-grid{grid-template-columns:repeat(3,1fr)}.sectors-grid{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:900px){.services-grid{grid-template-columns:1fr 1fr}.about-strip{grid-template-columns:1fr}.about-strip img{height:280px}.vm-grid{grid-template-columns:1fr}.service-detail{grid-template-columns:1fr}.service-detail.reverse{direction:ltr}.contact-grid{grid-template-columns:1fr}.cert-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){section{padding:50px 20px}.header-main{padding:12px 20px}.header-top{padding:6px 20px}.nav{display:none}.hamburger{display:flex}.hero-content h1{font-size:28px}.hero-content{padding:60px 20px}.product-grid{grid-template-columns:repeat(2,1fr)}.footer-main{grid-template-columns:1fr;padding:40px 20px}.footer-bottom{padding:16px 20px}.page-hero{padding:40px 20px}.page-hero h1{font-size:26px}.form-row{grid-template-columns:1fr}.cert-grid{grid-template-columns:1fr}.info-table td:first-child{width:140px}}
@media(max-width:480px){.product-grid{grid-template-columns:1fr}.services-grid{grid-template-columns:1fr}.sectors-grid{grid-template-columns:1fr}.about-stats{grid-template-columns:1fr}.hero{min-height:400px}}