@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
:root{--navy:#061a2d;--navy2:#0b2944;--blue:#10b7f4;--blue2:#087fd1;--ink:#102238;--muted:#617083;--light:#f4f8fb;--white:#fff;--line:#dfe8ef;--shadow:0 18px 55px rgba(3,22,39,.12);--radius:18px;--max:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--light);line-height:1.65}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 36px));margin:auto}

.topbar{background:#f4f7fa;color:#16334d;border-bottom:1px solid #dfe7ed;font-size:13px}
.topbar .container{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar a{color:#0878b9;font-weight:700}
.topbar a:hover{color:#055c91}
.eyebrow{display:inline-block;color:#0878b9;font-size:12px;font-weight:900;letter-spacing:.13em;text-transform:uppercase;margin-bottom:14px}
.page-hero .eyebrow{color:#71c9f2}
.page-hero .eyebrow:before{content:"";display:inline-block;width:38px;height:2px;background:var(--blue);vertical-align:middle;margin-right:12px}
.page-hero{position:relative;overflow:hidden}
.page-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,18,31,.18),transparent 70%);pointer-events:none}
.page-hero>.container{position:relative;z-index:1}
.page-hero h1{max-width:900px}
.page-hero p{margin:0}

.header{position:sticky;top:0;z-index:50;background:#061a2d;border-bottom:1px solid rgba(255,255,255,.10);box-shadow:0 8px 28px rgba(3,22,39,.14)}
.nav{min-height:82px;display:flex;align-items:center;gap:28px}
.nav>a:first-child{display:flex;align-items:center;margin-right:auto}
.logo{width:178px;height:auto;display:block}
.menu{display:flex;gap:25px;align-items:center}
.menu a{color:#dbe7f1;font-weight:700;font-size:14px;transition:.2s}
.menu a:hover,.menu a:focus-visible{color:var(--blue)}
.menu .cta{background:linear-gradient(135deg,#10b7f4,#087fd1);color:#fff;padding:13px 21px;border-radius:999px;box-shadow:0 10px 30px rgba(8,127,209,.25)}
.menu .cta:hover{color:#fff}
.hamb{display:none;background:none;border:0;color:#fff;font-size:27px;cursor:pointer}
.mobile-menu{display:none;background:var(--navy);border-top:1px solid rgba(255,255,255,.08);padding:0 0 16px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 0;color:#dbe7f1;border-bottom:1px solid rgba(255,255,255,.10);font-weight:700}
.mobile-menu a:hover{color:var(--blue)}

.hero{min-height:690px;background:var(--navy);position:relative;overflow:hidden}
.hero-bg{min-height:690px;background-repeat:no-repeat}
.hero-bg-responsive{background-image:linear-gradient(90deg,#021629ef 0%,#031b2edc 38%,#031b2e38 72%),url('https://bal-kon.com.tr/assets/cam-balkon-hero.webp');background-size:cover;background-position:center}
.hero-content{padding:115px 0 80px;max-width:720px;color:#fff}
.kicker{font-size:12px;letter-spacing:.17em;font-weight:900;color:#8eb4ce;margin-bottom:13px}
.kicker:before{content:"";display:inline-block;width:40px;height:2px;background:var(--blue);vertical-align:middle;margin-right:12px}
.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;margin:0 0 22px;letter-spacing:-.04em;color:#fff}
.hero .accent{color:var(--blue)!important}
.hero .lead{font-size:19px;color:#d3e0ea;max-width:650px;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;color:#b9cad7;font-size:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:999px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,#10b7f4,#087fd1);color:#fff;box-shadow:0 10px 30px rgba(8,127,209,.25)}
.btn.dark{background:linear-gradient(135deg,#10b7f4,#087fd1);color:#fff}
.btn.outline{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.04)}
.btn.outline:hover{background:rgba(255,255,255,.12);border-color:#fff}

main>section:not(.hero):not(.page-hero){background:#fff;color:var(--ink)}
.section{padding:88px 0;background:#fff;color:var(--ink)}
.section.soft{background:var(--light);color:var(--ink)}
.section.dark{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .kicker,.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.15em;font-weight:900;color:#0878b9;margin-bottom:10px}
.section-head h2,.section h2{font-size:clamp(30px,4vw,46px);line-height:1.1;letter-spacing:-.035em;margin:0 0 15px;color:#0a3555}
.section-head p{color:var(--muted);margin:0}
.section.dark h2,.section.dark .section-head h2{color:#fff}
.section.dark .section-head p{color:#cbd9e3}
.section.white .accent{color:#0878b9}

.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:25px;transition:.2s;box-shadow:0 8px 30px rgba(9,36,60,.05);color:var(--ink)}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 45px rgba(9,36,60,.10)}
.card h3{margin:0 0 9px;font-size:19px;color:#102238}
.card p{color:var(--muted);font-size:14px;margin:0}
.icon{width:44px;height:44px;border-radius:10px;background:#eaf6fd;color:var(--blue2);display:grid;place-items:center;font-weight:900;margin-bottom:18px}

.feature{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
.feature img{width:100%;border-radius:18px;display:block;box-shadow:0 22px 60px rgba(10,20,30,.15)}
.feature h2{font-size:38px;line-height:1.12;margin:0 0 18px;color:#0a3555}
.feature p,.feature li{color:#52677a}
.checklist{padding:0;margin:24px 0;list-style:none}
.checklist li{padding:9px 0 9px 28px;position:relative}
.checklist li:before{content:'✓';position:absolute;left:0;color:var(--blue2);font-weight:900}

.pricebox{border:1px solid var(--line);background:#fff;border-radius:14px;padding:22px}
.pricebox strong{display:block;font-size:18px;margin-bottom:7px;color:var(--ink)}
.pricebox span{color:var(--muted);font-size:13px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}
.table{width:100%;border-collapse:collapse;min-width:680px;background:#fff}
.table th,.table td{text-align:left;padding:15px;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink)}
.table th{background:#f7f9fa;color:#102238}
.faq{border-top:1px solid var(--line)}
details{padding:19px 0;border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:700;color:var(--ink)}

.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:80px 0}
.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.08;margin:0 0 15px;color:#fff}
.page-hero p{max-width:800px;color:#d2e1ea;font-size:17px}
.breadcrumbs{padding:18px 0;font-size:13px;color:var(--muted)}
.toc{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff}
.toc a{display:block;padding:6px 0;color:var(--blue2);font-weight:700}
.notice{border-left:4px solid var(--blue);background:#eef8fd;padding:18px 20px;border-radius:0 10px 10px 0;margin:25px 0}
.article{max-width:850px;color:var(--ink)}
.article h2{font-size:30px;line-height:1.2;margin-top:45px;color:#0a3555}
.article h3{font-size:21px;margin-top:30px;color:#102238}
.article p,.article li{font-size:16px;color:#3f5365}
.article ul{padding-left:22px}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
.contact-card{border:1px solid var(--line);border-radius:16px;padding:28px;background:#fff;color:var(--ink)}
.contact-card h2{color:#0a3555}
.contact-line{padding:12px 0;border-bottom:1px solid var(--line)}
.contact-line:last-child{border-bottom:0}
.contact-card a:not(.btn){color:var(--blue2);font-weight:700}
.form{display:grid;gap:14px}
.form input,.form textarea,.form select{width:100%;padding:13px;border:1px solid #d8dde1;border-radius:8px;font:inherit;color:var(--ink);background:#fff}
.form textarea{min-height:150px}
.map-wrap{margin-top:22px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#eef2f4}
.map-wrap iframe{display:block;width:100%;height:360px;border:0}

.cta-band{padding:55px 0;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}
.cta-band .inner{display:flex;justify-content:space-between;gap:30px;align-items:center}
.cta-band h2{margin:0 0 8px;font-size:32px;color:#fff}
.cta-band p{margin:0;color:#d1dfe8}

.footer{background:#04111e;color:#cbd7df;padding:55px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}
.footer h3{color:#fff;font-size:14px;margin:0 0 15px}
.footer p,.footer a{font-size:13px;color:#aebdca}
.footer a{display:block;margin:7px 0}
.footer a:hover{color:#4bc5fa}
.footer-logo{width:145px}
.footer-brand-note{font-size:12px!important;line-height:1.55;color:#8fa3b3!important;margin-top:12px}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:12px;color:#8494a1;display:flex;justify-content:space-between;gap:15px}

.wa-float{position:fixed;right:22px;bottom:22px;z-index:1000;display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;border-radius:999px;background:#25d366;color:#fff!important;font-weight:900;font-size:14px;box-shadow:0 10px 28px rgba(0,0,0,.18)}

@media(max-width:950px){
  .topbar .container{min-height:32px;font-size:12px}
  .menu{display:none}.hamb{display:block;margin-left:auto}.logo{width:155px}.nav{min-height:70px}
  .grid-3,.grid-4,.feature,.contact-grid,.footer-grid{grid-template-columns:1fr}
  .hero,.hero-bg{min-height:640px}.hero-content{padding:80px 0 65px}
}
@media(max-width:620px){
  .topbar .container{justify-content:center;text-align:center;flex-wrap:wrap;padding:5px 0;line-height:1.35}
  .container{width:min(100% - 24px,1180px)}
  .hero,.hero-bg{min-height:700px}
  .hero-content{padding:65px 0 55px}
  .hero h1{font-size:43px}
  .section{padding:62px 0}
  .cta-band .inner{flex-direction:column;align-items:flex-start}
  .copyright{flex-direction:column}
  .map-wrap iframe{height:300px}
  .wa-float{right:14px;bottom:14px;padding:11px 14px}
}

/* v7 readability correction: all internal page intro/hero blocks */
.page-hero{
  background:linear-gradient(135deg,#061a2d 0%,#0b3554 100%) !important;
  color:#fff !important;
  padding:82px 0 76px;
}
.page-hero .container{position:relative}
.page-hero .eyebrow,
.page-hero .kicker{color:#5cc9f7 !important;font-weight:900}
.page-hero h1,
.page-hero h2{color:#fff !important}
.page-hero p{color:#d9e7f0 !important}
.page-hero .btn.outline{color:#fff !important;border-color:rgba(255,255,255,.65) !important}
.page-hero .btn.outline:hover{background:rgba(255,255,255,.12) !important}
.page-hero a:not(.btn){color:#fff}
.section-head h2,.section h2,.feature h2{color:#0a3555 !important}
.section-head p,.section p{color:#52677a}
.system-cards .card{height:100%;display:flex;flex-direction:column}
.system-cards .card .btn{margin-top:auto;align-self:flex-start}

.map-link{margin:0;padding:10px 14px;background:#eef8fd;border-bottom:1px solid #dfe8ef}
.map-link a{color:#0878b9;font-weight:800}