/* Hey Teknik — Custom styles */
:root{
  --primary:#1e2a4a;
  --primary-fg:#f6f7fb;
  --brand:#f2a71b;
  --brand-fg:#1e2a4a;
  --bg:#ffffff;
  --fg:#1a1f36;
  --muted:#f3f4f8;
  --muted-fg:#5b6478;
  --border:#e5e7eb;
  --card:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',ui-sans-serif,system-ui,sans-serif;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.55}
h1,h2,h3,h4{font-family:'Barlow Condensed','Inter',sans-serif;letter-spacing:-.01em;margin:0;line-height:1.15}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 1.25rem}
@media(min-width:1024px){.container{padding:0 2rem}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;font-size:.875rem;transition:all .2s;cursor:pointer;border:none;font-family:inherit}
.btn-brand{background:var(--brand);color:var(--brand-fg)}
.btn-brand:hover{filter:brightness(.95)}
.btn-primary{background:var(--primary);color:var(--primary-fg)}
.btn-primary:hover{opacity:.9}
.btn-outline{border:1px solid rgba(255,255,255,.3);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-outline-dark{border:1px solid var(--border);color:var(--fg);background:#fff}
.btn-outline-dark:hover{background:var(--muted)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:80px;gap:1rem}
.site-header .logo img{height:48px;width:auto}
.site-nav{display:none;align-items:center;gap:.25rem}
.site-nav a{padding:.5rem .875rem;border-radius:.375rem;font-size:.875rem;font-weight:500;color:#3a4155}
.site-nav a:hover{background:var(--muted);color:var(--fg)}
.site-nav a.active{background:var(--muted);color:var(--primary);font-weight:600}
.header-cta{display:none}
.menu-btn{width:40px;height:40px;border-radius:.375rem;border:1px solid var(--border);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.mobile-nav{display:none;border-top:1px solid var(--border);background:#fff}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:.875rem 1.25rem;font-size:.9rem;border-bottom:1px solid var(--border)}
.mobile-nav a:hover{background:var(--muted)}
@media(min-width:1024px){.site-nav,.header-cta{display:flex}.menu-btn{display:none}}

/* Hero */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero .bg{position:absolute;inset:0;z-index:-1}
.hero .bg img{width:100%;height:100%;object-fit:cover}
.hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,42,74,.95),rgba(30,42,74,.85) 55%,rgba(30,42,74,.5))}
.hero .inner{padding:6rem 0}
@media(min-width:768px){.hero .inner{padding:8rem 0}}
.eyebrow{display:inline-block;padding:.25rem .75rem;border-radius:9999px;border:1px solid rgba(242,167,27,.4);background:rgba(242,167,27,.1);color:var(--brand);font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem}
.hero h1{color:#fff;font-size:2.25rem;font-weight:700;max-width:56rem}
@media(min-width:768px){.hero h1{font-size:3.5rem}}
.hero p.lead{color:rgba(255,255,255,.85);font-size:1.05rem;max-width:44rem;margin-top:1.25rem}
.hero .actions{margin-top:2rem;display:flex;flex-wrap:wrap;gap:.75rem}
.brand-text{color:var(--brand)}

/* Sections */
.section{padding:5rem 0}
.section-alt{background:rgba(243,244,248,.6)}
.section-header{max-width:48rem;margin-bottom:2.5rem}
.section-header .eyebrow-txt{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--brand)}
.section-header h2{font-size:1.875rem;color:var(--primary);margin-top:.5rem}
@media(min-width:768px){.section-header h2{font-size:2.25rem}}
.section-header p{color:var(--muted-fg);margin-top:.75rem}

/* Grid */
.grid{display:grid;gap:1.5rem}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
.grid-2{grid-template-columns:1fr}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}

/* Service card */
.svc-card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:.75rem;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,.04);transition:all .3s;display:block;color:inherit}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px -12px rgba(0,0,0,.15)}
.svc-card .img-wrap{position:relative;aspect-ratio:16/10;overflow:hidden}
.svc-card .img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc-card:hover .img-wrap img{transform:scale(1.05)}
.svc-card .img-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(30,42,74,.8),transparent)}
.svc-card .icon-badge{position:absolute;top:1rem;left:1rem;width:44px;height:44px;border-radius:.5rem;background:var(--brand);color:var(--brand-fg);display:flex;align-items:center;justify-content:center;font-size:1.25rem;z-index:2}
.svc-card .body{padding:1.5rem}
.svc-card h3{font-size:1.25rem;color:var(--primary)}
.svc-card .sub{margin-top:.25rem;font-size:.85rem;font-weight:600;color:var(--brand)}
.svc-card .desc{margin-top:.75rem;font-size:.875rem;color:var(--muted-fg)}
.svc-card .more{margin-top:1rem;display:inline-flex;align-items:center;gap:.25rem;font-size:.85rem;font-weight:600;color:var(--primary)}

/* Feature card */
.feat{background:#fff;border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.feat .ico{width:48px;height:48px;border-radius:.5rem;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:1.35rem;margin-bottom:1rem}
.feat h3{font-size:1.1rem;color:var(--primary)}
.feat p{margin-top:.5rem;font-size:.875rem;color:var(--muted-fg)}

/* Partners */
.partners-box{display:grid;gap:2rem;align-items:center;background:#fff;border:1px solid var(--border);border-radius:.75rem;padding:2rem}
@media(min-width:768px){.partners-box{grid-template-columns:1fr 2fr;padding:3rem}}
.partners-logo{background:rgba(243,244,248,.6);padding:2rem;border-radius:.5rem;display:flex;align-items:center;justify-content:center}
.partners-logo img{height:64px;width:auto}
.partners-box h3{font-size:1.5rem;color:var(--primary)}
.partners-box p{margin-top:.75rem;color:var(--muted-fg);line-height:1.65}

/* CTA */
.cta-band{background:var(--primary);color:var(--primary-fg)}
.cta-band .inner{display:flex;flex-direction:column;gap:1.5rem;padding:3.5rem 0;align-items:flex-start}
@media(min-width:768px){.cta-band .inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-band h2{font-size:1.5rem}
@media(min-width:768px){.cta-band h2{font-size:1.875rem}}
.cta-band p{margin-top:.5rem;color:rgba(246,247,251,.7)}

/* Page hero (inner pages) */
.page-hero{padding:5rem 0 4.5rem}
.page-hero h1{color:#fff;font-size:2.25rem;max-width:56rem}
@media(min-width:768px){.page-hero h1{font-size:3rem}}
.page-hero p{color:rgba(255,255,255,.85);margin-top:1.25rem;max-width:56rem;line-height:1.65}

/* Section nav */
.section-nav{position:sticky;top:80px;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.section-nav .row{display:flex;gap:.375rem;overflow-x:auto;padding:.75rem 0}
.section-nav a{white-space:nowrap;padding:.4rem 1rem;border-radius:9999px;border:1px solid var(--border);font-size:.75rem;font-weight:600;color:#3a4155}
.section-nav a:hover{border-color:var(--brand);color:var(--primary)}

/* Product cards (madencilik) */
.product-card{display:grid;gap:2rem;background:#fff;border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;box-shadow:0 1px 2px rgba(0,0,0,.04)}
@media(min-width:768px){.product-card{grid-template-columns:1fr 1fr;padding:2rem}}
.product-card.reverse .img-col{order:2}
.product-card .img-col{overflow:hidden;border-radius:.5rem}
.product-card .img-col img{aspect-ratio:4/3;width:100%;height:100%;object-fit:cover}
.product-card .placeholder{aspect-ratio:4/3;background:rgba(243,244,248,.7);display:flex;align-items:center;justify-content:center;color:var(--muted-fg);border-radius:.5rem;font-size:.9rem}
.product-card .content-col{display:flex;flex-direction:column;justify-content:center}
.product-card h3{font-size:1.5rem;color:var(--primary)}
.product-card .bar-accent{margin-top:.5rem;height:4px;width:48px;border-radius:9999px;background:var(--brand)}
.product-card .desc{margin-top:1rem;font-size:.875rem;color:var(--muted-fg);white-space:pre-line;line-height:1.7}

/* Small product tile (besleme) */
.tile-grid{display:grid;gap:1.5rem;grid-template-columns:1fr}
@media(min-width:768px){.tile-grid{grid-template-columns:repeat(2,1fr)}}
.tile{background:#fff;border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.tile .img-wrap{overflow:hidden;border-radius:.5rem;margin-bottom:1rem}
.tile .img-wrap img{aspect-ratio:16/9;width:100%;object-fit:cover}
.tile h3{color:var(--primary);font-size:1.1rem}
.tile .bar-accent{margin-top:.5rem;height:4px;width:40px;border-radius:9999px;background:var(--brand)}
.tile .desc{margin-top:.75rem;font-size:.875rem;color:var(--muted-fg);white-space:pre-line;line-height:1.65}

/* Contact */
.contact-hero{background:var(--primary);color:var(--primary-fg);padding:4rem 0;border-bottom:1px solid var(--border)}
.contact-hero h1{color:#fff;font-size:2.25rem;margin-top:.5rem}
@media(min-width:768px){.contact-hero h1{font-size:3rem}}
.contact-hero p{color:rgba(246,247,251,.8);max-width:44rem;margin-top:1rem}
.contact-grid{display:grid;gap:2.5rem;padding:4rem 0}
@media(min-width:768px){.contact-grid{grid-template-columns:2fr 3fr}}
.contact-info h2{font-size:1.5rem;color:var(--primary)}
.contact-info ul{list-style:none;padding:0;margin-top:1.5rem}
.contact-info li{display:flex;gap:.75rem;align-items:flex-start;margin-bottom:1.25rem}
.contact-info .ico{width:40px;height:40px;border-radius:.5rem;background:rgba(242,167,27,.15);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info .lbl{font-weight:600;font-size:.9rem}
.contact-info .val{color:var(--muted-fg);font-size:.875rem}
.form-card{background:#fff;border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;box-shadow:0 1px 2px rgba(0,0,0,.04)}
@media(min-width:768px){.form-card{padding:2rem}}
.form-card h2{color:var(--primary);font-size:1.5rem}
.form-card .hint{margin-top:.25rem;font-size:.875rem;color:var(--muted-fg)}
.form-row{display:grid;gap:1rem;margin-top:1.5rem;grid-template-columns:1fr}
@media(min-width:640px){.form-row{grid-template-columns:1fr 1fr}}
.field{display:block;font-size:.875rem}
.field.full{grid-column:1/-1}
.field span{display:block;font-weight:500;margin-bottom:.25rem}
.field input,.field select,.field textarea{width:100%;padding:.55rem .75rem;border:1px solid var(--border);border-radius:.375rem;background:#fff;font-family:inherit;font-size:.9rem;outline:none;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,167,27,.25)}
.form-success{padding:4rem 1rem;text-align:center}
.form-success .check{width:60px;height:60px;border-radius:50%;background:rgba(242,167,27,.15);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:1rem}
.form-success h3{color:var(--primary);font-size:1.25rem}
.form-success p{margin-top:.5rem;color:var(--muted-fg);font-size:.9rem}

/* Longyi callout */
.longyi-callout{margin-top:2.5rem;display:grid;gap:2rem;align-items:center;background:#fff;border:1px solid var(--border);border-radius:.75rem;padding:2rem}
@media(min-width:768px){.longyi-callout{grid-template-columns:1fr 2fr;padding:2.5rem}}

/* Footer */
.site-footer{margin-top:5rem;background:var(--primary);color:var(--primary-fg);border-top:1px solid var(--border)}
.site-footer .cols{display:grid;gap:2.5rem;padding:3.5rem 0;grid-template-columns:1fr}
@media(min-width:768px){.site-footer .cols{grid-template-columns:repeat(4,1fr)}}
.site-footer .logo-box{display:inline-block;background:#fff;padding:.75rem;border-radius:.375rem}
.site-footer .logo-box img{height:40px}
.site-footer h4{color:var(--brand);font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;font-family:'Inter',sans-serif}
.site-footer ul{list-style:none;padding:0;margin:1rem 0 0;font-size:.875rem}
.site-footer ul li{margin-bottom:.6rem;color:rgba(246,247,251,.8);display:flex;gap:.5rem;align-items:flex-start}
.site-footer a:hover{color:var(--brand)}
.site-footer .about{margin-top:1rem;color:rgba(246,247,251,.7);font-size:.875rem;line-height:1.65}
.site-footer .bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.25rem 0;font-size:.75rem;color:rgba(246,247,251,.6);display:flex;flex-direction:column;gap:.25rem;align-items:center;text-align:center}
@media(min-width:768px){.site-footer .bottom{flex-direction:row;justify-content:space-between}}

/* Utility */
.text-center{text-align:center}
.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}
.icon{width:1em;height:1em;display:inline-block;vertical-align:-.125em}