/* =====================================================
   GMG TEK - Ana Stil Dosyasi
   Palet: derin lacivert zemin + sinyal mavisi + alarm amber
   ===================================================== */
:root{
  --ink:#0A0F1E;
  --surface:#101A30;
  --surface-2:#152140;
  --line:rgba(148,170,220,.14);
  --text:#E8EEF9;
  --muted:#9AA8C4;
  --blue:#4C8DFF;
  --blue-deep:#2E6BE0;
  --amber:#FFB627;
  --amber-deep:#E69A00;
  --radius:14px;
  --font-d:'Space Grotesk',sans-serif;
  --font-b:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);background:var(--ink);color:var(--text);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.15;letter-spacing:-.01em}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Butonlar ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-weight:600;font-size:15px;padding:11px 22px;border-radius:10px;border:none;cursor:pointer;transition:.25s}
.btn-shop{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-shop:hover{border-color:var(--blue);color:var(--blue)}
.btn-quote{background:var(--amber);color:#1A1200}
.btn-quote:hover{background:var(--amber-deep);transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-block{width:100%;justify-content:center}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(10,15,30,.75);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo img{max-height:46px;width:auto}
.logo-text{font-family:var(--font-d);font-weight:700;font-size:24px;letter-spacing:.02em}
.logo-text em{font-style:normal;color:var(--blue)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav>a,.nav-drop>a{font-size:15px;font-weight:500;color:var(--muted);transition:.2s;display:inline-flex;align-items:center;gap:5px;padding:8px 0}
.main-nav>a:hover,.nav-drop>a:hover{color:var(--text)}
.nav-muted{opacity:.85}
.nav-drop{position:relative}
.drop-menu{position:absolute;top:100%;left:-12px;min-width:260px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.nav-drop:hover .drop-menu{opacity:1;visibility:visible;transform:translateY(4px)}
.drop-menu a{display:block;padding:10px 14px;border-radius:8px;font-size:14.5px;color:var(--muted)}
.drop-menu a:hover{background:var(--surface-2);color:var(--text)}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;align-items:center;gap:5px;font-family:var(--font-d);font-size:13.5px;color:var(--muted)}
.lang-switch a{padding:3px 4px}
.lang-switch a.active{color:var(--blue);font-weight:700}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{width:24px;height:2px;background:var(--text);transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding:150px 0 90px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease}
.hero-bg .slide.active{opacity:.28}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,var(--ink) 30%,rgba(10,15,30,.55) 70%,rgba(10,15,30,.85))}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 70% 60% at 70% 40%,black,transparent);opacity:.5}
/* Radar imza elementi */
.radar{position:absolute;right:-140px;top:50%;transform:translateY(-50%);width:640px;height:640px;z-index:1;opacity:.85;pointer-events:none}
.radar .ring{position:absolute;inset:0;border:1px solid rgba(76,141,255,.18);border-radius:50%}
.radar .ring:nth-child(2){inset:80px}
.radar .ring:nth-child(3){inset:160px}
.radar .ring:nth-child(4){inset:240px}
.radar .sweep{position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,rgba(76,141,255,.35),transparent 70deg);animation:sweep 6s linear infinite}
.radar .dot{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px var(--amber);animation:blink 2.4s infinite}
.radar .dot.d1{top:26%;left:38%}
.radar .dot.d2{top:58%;left:62%;animation-delay:1.2s}
@keyframes sweep{to{transform:rotate(360deg)}}
@keyframes blink{0%,100%{opacity:.2}50%{opacity:1}}
@media (prefers-reduced-motion:reduce){.radar .sweep,.radar .dot{animation:none}}

.hero-content{position:relative;z-index:2;max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:18px}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--blue)}
.hero h1{font-size:clamp(36px,5.4vw,62px);font-weight:700;margin-bottom:20px}
.hero h1 span{color:var(--blue);position:relative}
.hero p.lead{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:32px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-slider-nav{position:absolute;left:24px;bottom:26px;z-index:3;display:flex;gap:8px}
.hero-slider-nav button{width:34px;height:4px;border:none;border-radius:2px;background:var(--line);cursor:pointer;transition:.25s}
.hero-slider-nav button.active{background:var(--amber)}

/* ---------- Istatistik seridi ---------- */
.stats-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 20px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat b{display:block;font-family:var(--font-d);font-size:36px;font-weight:700;color:var(--blue)}
.stat span{font-size:14px;color:var(--muted)}

/* ---------- Bolumler ---------- */
.section{padding:96px 0}
.section-head{max-width:640px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}
.section-head h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:17px}

/* Hizmet kartlari */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:.3s;position:relative;overflow:hidden;display:flex;flex-direction:column}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--blue),transparent);opacity:0;transition:.3s}
.card:hover{transform:translateY(-5px);border-color:rgba(76,141,255,.4)}
.card:hover::before{opacity:1}
.card .icon{width:52px;height:52px;border-radius:12px;background:rgba(76,141,255,.12);display:flex;align-items:center;justify-content:center;margin-bottom:22px;color:var(--blue)}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;flex:1}
.card .card-link{margin-top:20px;font-family:var(--font-d);font-weight:600;font-size:14.5px;color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.card .card-link:hover{gap:10px}
.card img.card-img{border-radius:10px;margin-bottom:20px;height:180px;width:100%;object-fit:cover}

/* Neden Biz */
.why{background:var(--surface)}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.why-item{border-left:2px solid var(--blue);padding-left:22px}
.why-item h3{font-size:19px;margin-bottom:8px}
.why-item p{color:var(--muted);font-size:15px}

/* CTA bandi */
.cta-band{background:linear-gradient(120deg,var(--blue-deep),var(--blue));border-radius:20px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.85);max-width:520px}
.cta-band .btn-quote{padding:15px 34px;font-size:16px}

/* ---------- Ic sayfalar ---------- */
.page-hero{padding:160px 0 70px;background:var(--surface);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero .hero-grid{opacity:.35}
.page-hero h1{font-size:clamp(30px,4vw,46px);position:relative}
.breadcrumb{position:relative;font-size:14px;color:var(--muted);margin-bottom:12px}
.breadcrumb a:hover{color:var(--blue)}

.cat-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:44px}
.cat-filter a{padding:9px 20px;border-radius:99px;border:1px solid var(--line);font-size:14px;color:var(--muted);font-family:var(--font-d);font-weight:500;transition:.2s}
.cat-filter a:hover{color:var(--text);border-color:var(--blue)}
.cat-filter a.active{background:var(--blue);border-color:var(--blue);color:#fff}

.service-detail{display:grid;grid-template-columns:2fr 1fr;gap:44px;align-items:start}
.service-detail .content h2{margin:26px 0 12px;font-size:26px}
.service-detail .content p{color:var(--muted);margin-bottom:14px}
.service-detail img{border-radius:var(--radius);margin-bottom:26px}
.sidebar-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:sticky;top:96px}
.sidebar-box h4{font-size:17px;margin-bottom:16px}
.sidebar-box a.side-link{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14.5px}
.sidebar-box a.side-link:hover{color:var(--blue)}
.sidebar-box .btn{margin-top:20px}

/* Iletisim */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px}
.contact-info-item{display:flex;gap:16px;margin-bottom:26px}
.contact-info-item .icon{width:46px;height:46px;flex:none;border-radius:10px;background:rgba(76,141,255,.12);color:var(--blue);display:flex;align-items:center;justify-content:center}
.contact-info-item b{font-family:var(--font-d);display:block;margin-bottom:2px}
.contact-info-item span,.contact-info-item a{color:var(--muted);font-size:15px}
.map-wrap{margin-top:64px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.map-wrap iframe{display:block;width:100%;filter:grayscale(.4) invert(.92) hue-rotate(190deg)}

/* ---------- Formlar ---------- */
form input,form select,form textarea{width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:13px 16px;color:var(--text);font-family:var(--font-b);font-size:15px;margin-bottom:14px;transition:.2s}
form input:focus,form select:focus,form textarea:focus{outline:none;border-color:var(--blue)}
form select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239AA8C4' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-alert{margin-top:8px;font-size:14.5px;display:none;padding:12px 16px;border-radius:10px}
.form-alert.ok{display:block;background:rgba(52,199,123,.12);color:#4ADE80;border:1px solid rgba(52,199,123,.3)}
.form-alert.err{display:block;background:rgba(255,99,99,.1);color:#F87171;border:1px solid rgba(255,99,99,.3)}

/* ---------- Modal (Teklif Al) ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(5,8,18,.8);backdrop-filter:blur(6px);z-index:500;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;visibility:hidden;transition:.3s}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:18px;width:100%;max-width:520px;padding:38px;position:relative;transform:translateY(18px);transition:.3s;max-height:92vh;overflow-y:auto}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-close{position:absolute;top:14px;right:18px;background:none;border:none;color:var(--muted);font-size:30px;cursor:pointer;line-height:1}
.modal-close:hover{color:var(--text)}
.modal-head{margin-bottom:24px}
.modal-head h3{font-size:24px;margin-bottom:6px}
.modal-head p{color:var(--muted);font-size:15px}

/* ---------- Footer ---------- */
.site-footer{background:#070B16;border-top:1px solid var(--line);padding-top:70px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:44px;padding-bottom:54px}
.footer-about{color:var(--muted);font-size:14.5px;margin:16px 0}
.footer-grid h4{font-size:16px;margin-bottom:18px}
.footer-grid a{display:block;color:var(--muted);font-size:14.5px;padding:5px 0;transition:.2s}
.footer-grid a:hover{color:var(--blue)}
.footer-grid p{color:var(--muted);font-size:14.5px;margin-bottom:6px}
.socials{display:flex;gap:14px;flex-wrap:wrap}
.socials a{font-size:13.5px;color:var(--muted)}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;font-size:13.5px;color:var(--muted)}

/* Fade-up animasyon */
.fade-up{opacity:0;transform:translateY(24px);transition:.7s ease}
.fade-up.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.fade-up{opacity:1;transform:none;transition:none}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cards-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
  .radar{opacity:.35}
  .service-detail,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .main-nav{position:fixed;top:74px;left:0;right:0;background:var(--ink);flex-direction:column;align-items:flex-start;padding:24px;gap:6px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:.3s;z-index:190}
  .main-nav.open{transform:none}
  .main-nav>a,.nav-drop>a{padding:10px 0;font-size:17px}
  .drop-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;background:transparent;padding:0 0 0 16px;display:none}
  .nav-drop.open .drop-menu{display:block}
  .hamburger{display:flex}
  .btn-shop{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border:none;border-top:1px solid var(--line)}
  .cards-grid,.why-grid,.form-row{grid-template-columns:1fr}
  .cta-band{padding:36px 28px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr}
}