/* ============================================================
   3D SCAN VISION — Kurumsal site stili
   Tema: Metroloji / mavi lazer. Space Grotesk + IBM Plex Sans
   ============================================================ */
:root{
  --ink:#081321;            /* derin gece laciverdi */
  --surface:#0D1F33;        /* koyu panel */
  --surface-2:#122841;
  --laser:#29C5FF;          /* mavi lazer */
  --laser-soft:rgba(41,197,255,.14);
  --blue:#2E6BF0;           /* elektrik mavisi */
  --paper:#F2F6FA;          /* ölçüm kağıdı */
  --white:#FFFFFF;
  --steel:#93A6BC;          /* çelik gri metin (koyu zemin) */
  --slate:#3D4F63;          /* gövde metni (açık zemin) */
  --line:rgba(41,197,255,.22);
  --line-light:#D8E2EC;
  --ok:#27C08D;
  --radius:14px;
  --shadow:0 18px 50px -18px rgba(8,19,33,.35);
  --font-d:"Space Grotesk",sans-serif;
  --font-b:"IBM Plex Sans",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);color:var(--slate);background:var(--white);line-height:1.65;font-size:16.5px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--font-d);color:var(--ink);line-height:1.15;letter-spacing:-.01em}
.container{width:min(1180px,92%);margin-inline:auto}

/* ---------- metroloji imzası: tolerans etiketi + cetvel çizgisi ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-d);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-weight:600}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--laser);box-shadow:0 0 8px var(--laser)}
.eyebrow .tol{color:var(--laser);font-weight:500;letter-spacing:.05em;text-transform:none}
.dark .eyebrow{color:var(--laser)}
.ruler{height:14px;background-image:repeating-linear-gradient(90deg,var(--line-light) 0 1px,transparent 1px 12px),repeating-linear-gradient(90deg,#B9C8D6 0 1px,transparent 1px 60px);background-size:100% 7px,100% 14px;background-repeat:no-repeat;background-position:bottom,bottom;opacity:.9}
.dark .ruler{background-image:repeating-linear-gradient(90deg,rgba(41,197,255,.25) 0 1px,transparent 1px 12px),repeating-linear-gradient(90deg,rgba(41,197,255,.5) 0 1px,transparent 1px 60px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,19,33,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
.topbar{display:none;background:var(--blue);color:#fff;font-size:.8rem}
.topbar .container{display:flex;justify-content:space-between;padding:.35rem 0;gap:1rem}
.topbar a{color:#fff;opacity:.92}
@media(min-width:760px){.topbar{display:block}}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:.85rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;color:#fff;font-family:var(--font-d)}
.brand .mark{width:42px;height:42px;flex:none}
.brand b{font-size:1.12rem;font-weight:700;letter-spacing:.02em;line-height:1.1;display:block}
.brand small{display:block;font-size:.64rem;letter-spacing:.28em;color:var(--laser);text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:1.6rem}
.main-nav a{color:#CBD8E6;font-size:.94rem;font-weight:500;position:relative;padding:.35rem 0}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--laser);transition:width .25s}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a.active{color:#fff}
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-d);font-weight:600;font-size:.95rem;padding:.78rem 1.5rem;border-radius:999px;transition:.25s;border:1px solid transparent;cursor:pointer}
.btn-laser{background:var(--laser);color:var(--ink)}
.btn-laser:hover{background:#5AD3FF;box-shadow:0 0 26px rgba(41,197,255,.45);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:var(--laser);color:var(--laser)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:#1F55CF;box-shadow:0 10px 26px -8px rgba(46,107,240,.6);transform:translateY(-1px)}
.btn-outline{border-color:#C3D2E0;color:var(--ink)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.nav-cta{display:none}
@media(min-width:1000px){.nav-cta{display:inline-flex}}
.hamburger{display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.hamburger span{width:26px;height:2px;background:#fff;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(min-width:1000px){.hamburger{display:none}}
@media(max-width:999px){
  .main-nav{position:fixed;inset:0;top:0;background:var(--ink);flex-direction:column;justify-content:center;gap:2rem;transform:translateX(100%);transition:transform .35s;z-index:70}
  .main-nav.open{transform:translateX(0)}
  .main-nav a{font-size:1.3rem}
  .main-nav .btn{display:inline-flex}
}

/* ---------- hero ---------- */
.hero{background:radial-gradient(1200px 600px at 80% -10%,rgba(46,107,240,.35),transparent 60%),var(--ink);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(41,197,255,.18) 1px,transparent 1px);background-size:26px 26px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);pointer-events:none}
.hero-grid{display:grid;gap:3rem;padding:4.5rem 0 5.5rem;position:relative}
@media(min-width:960px){.hero-grid{grid-template-columns:1.05fr .95fr;align-items:center;padding:6rem 0 7rem}}
.hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.6rem);margin:1.1rem 0 1.2rem}
.hero h1 .glow{color:var(--laser);text-shadow:0 0 30px rgba(41,197,255,.55)}
.hero p.lead{color:var(--steel);font-size:1.08rem;max-width:34rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.8rem}
.hero-badges{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:2.4rem;font-size:.85rem;color:var(--steel)}
.hero-badges b{display:block;font-family:var(--font-d);font-size:1.35rem;color:#fff}
.hero-badges span i{color:var(--laser);font-style:normal}

/* tarama animasyonu */
.scan-stage{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,rgba(18,40,65,.9),rgba(8,19,33,.9));padding:1.4rem;overflow:hidden}
.scan-stage svg{width:100%;height:auto}
.scanline{position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--laser),transparent);box-shadow:0 0 18px 4px rgba(41,197,255,.55);animation:sweep 4.2s ease-in-out infinite;top:8%}
@keyframes sweep{0%,100%{top:8%}50%{top:88%}}
.scan-readout{position:absolute;top:14px;right:16px;font-family:var(--font-d);font-size:.72rem;letter-spacing:.12em;color:var(--laser);text-align:right;line-height:1.9}
.scan-readout em{font-style:normal;color:#fff}
@media(prefers-reduced-motion:reduce){.scanline{animation:none;top:50%}}

/* ---------- sections ---------- */
.section{padding:4.6rem 0}
@media(min-width:960px){.section{padding:6rem 0}}
.section.dark{background:var(--ink);color:var(--steel)}
.section.dark h2,.section.dark h3{color:#fff}
.section.paper{background:var(--paper)}
.sec-head{max-width:46rem;margin-bottom:2.8rem}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin:.9rem 0 .8rem}
.sec-head p{font-size:1.02rem}

/* cards */
.grid{display:grid;gap:1.5rem}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.grid.c4{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.card{background:#fff;border:1px solid var(--line-light);border-radius:var(--radius);padding:1.8rem;transition:.3s;position:relative;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--blue)}
.card h3{font-size:1.18rem;margin:.9rem 0 .5rem}
.card p{font-size:.94rem}
.card .icon{width:52px;height:52px;border-radius:12px;background:var(--laser-soft);display:grid;place-items:center;color:var(--blue)}
.dark .card{background:var(--surface);border-color:rgba(255,255,255,.08)}
.dark .card p{color:var(--steel)}
.dark .card:hover{border-color:var(--laser)}

/* ürün kartı */
.pcard{background:#fff;border:1px solid var(--line-light);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.3s}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--laser)}
.pcard .visual{background:linear-gradient(150deg,var(--surface-2),var(--ink));padding:1.6rem;position:relative;min-height:190px;display:grid;place-items:center}
.pcard .visual svg{width:80%;max-height:150px}
.pcard .tag{position:absolute;top:12px;left:12px;font-family:var(--font-d);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--laser);border:1px solid var(--line);border-radius:999px;padding:.22rem .7rem;background:rgba(8,19,33,.6)}
.pcard .tag.new{color:#FFD166;border-color:rgba(255,209,102,.4)}
.pcard .body{padding:1.5rem 1.6rem 1.7rem;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:1.22rem;margin-bottom:.35rem}
.pcard .sub{font-size:.8rem;font-family:var(--font-d);letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:.7rem}
.pcard p{font-size:.93rem}
.pcard .specs{margin:1rem 0 1.2rem;border-top:1px dashed var(--line-light);padding-top:1rem;display:grid;gap:.45rem}
.pcard .specs li{display:flex;justify-content:space-between;gap:1rem;font-size:.86rem}
.pcard .specs li span{color:#7B8FA4}
.pcard .specs li b{font-family:var(--font-d);color:var(--ink);font-weight:600;text-align:right}
.pcard .actions{margin-top:auto;display:flex;gap:.7rem;flex-wrap:wrap}
.pcard .actions .btn{padding:.6rem 1.15rem;font-size:.86rem}

/* kategori başlığı */
.cat-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin:3.4rem 0 1.6rem;flex-wrap:wrap}
.cat-head:first-of-type{margin-top:0}
.cat-head h2{font-size:clamp(1.4rem,2.6vw,1.9rem)}
.cat-head .count{font-family:var(--font-d);color:var(--blue);font-size:.85rem;letter-spacing:.1em}

/* hizmet satırları */
.split{display:grid;gap:2.6rem;align-items:center}
@media(min-width:920px){.split{grid-template-columns:1fr 1fr}.split.rev>.visual{order:2}}
.split .visual{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-light)}
.checks{margin-top:1.2rem;display:grid;gap:.65rem}
.checks li{display:flex;gap:.7rem;font-size:.97rem;align-items:flex-start}
.checks li::before{content:"";flex:none;width:19px;height:19px;margin-top:.22rem;border-radius:50%;background:var(--laser-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232E6BF0' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}
.dark .checks li{color:#C6D4E2}

/* rakamlar */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.2rem;text-align:center}
.stats b{display:block;font-family:var(--font-d);font-size:clamp(1.9rem,4vw,2.8rem);color:var(--laser)}
.stats span{font-size:.88rem;color:var(--steel)}

/* uygulama şeridi */
.apps{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr))}
.app{position:relative;border-radius:var(--radius);border:1px solid rgba(255,255,255,.09);background:linear-gradient(165deg,var(--surface-2),var(--surface));padding:1.5rem 1.2rem;min-height:150px;display:flex;flex-direction:column;justify-content:flex-end;transition:.3s;overflow:hidden}
.app:hover{border-color:var(--laser);transform:translateY(-4px)}
.app svg{width:34px;height:34px;color:var(--laser);margin-bottom:auto}
.app b{color:#fff;font-family:var(--font-d);font-size:1rem;font-weight:600}
.app span{font-size:.8rem;color:var(--steel)}

/* CTA bandı */
.cta-band{background:linear-gradient(120deg,var(--blue),#1B3F9E 60%,var(--ink));color:#fff;border-radius:20px;padding:clamp(2rem,5vw,3.6rem);display:grid;gap:1.6rem;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.4;pointer-events:none}
@media(min-width:900px){.cta-band{grid-template-columns:1.2fr auto;align-items:center}}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,3vw,2.2rem)}
.cta-band p{color:#D7E2F5;max-width:36rem;margin-top:.5rem}
.cta-band .btn{position:relative;z-index:1}

/* süreç adımları */
.steps{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));counter-reset:step}
.step{border-left:2px solid var(--line);padding:0 0 0 1.2rem;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--font-d);color:var(--laser);font-size:.85rem;letter-spacing:.15em}
.step h3{color:#fff;font-size:1.05rem;margin:.4rem 0 .4rem}
.step p{font-size:.9rem}

/* tablo */
.spec-table{width:100%;border-collapse:collapse;font-size:.93rem;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 20px -10px rgba(8,19,33,.15)}
.spec-table th,.spec-table td{padding:.85rem 1.1rem;text-align:left;border-bottom:1px solid var(--line-light)}
.spec-table th{background:var(--ink);color:#fff;font-family:var(--font-d);font-weight:600;font-size:.85rem;letter-spacing:.05em}
.spec-table tr:last-child td{border-bottom:0}
.spec-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
.table-scroll{overflow-x:auto;border-radius:var(--radius)}

/* form */
.form-grid{display:grid;gap:1.1rem}
@media(min-width:760px){.form-grid{grid-template-columns:1fr 1fr}.form-grid .full{grid-column:1/-1}}
.field label{display:block;font-family:var(--font-d);font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:.4rem;letter-spacing:.03em}
.field input,.field select,.field textarea{width:100%;padding:.85rem 1rem;border:1px solid #C3D2E0;border-radius:10px;font-family:var(--font-b);font-size:.95rem;background:#fff;color:var(--ink);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,107,240,.15)}
.field textarea{min-height:130px;resize:vertical}
.contact-card{background:var(--surface);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:1.7rem;color:var(--steel)}
.contact-card h3{color:#fff;font-size:1.05rem;margin-bottom:.4rem}
.contact-card a{color:var(--laser)}

/* accordion (SSS) */
.faq{border:1px solid var(--line-light);border-radius:12px;background:#fff;margin-bottom:.9rem;overflow:hidden}
.faq summary{cursor:pointer;padding:1.1rem 1.3rem;font-family:var(--font-d);font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::after{content:"+";color:var(--blue);font-size:1.3rem;line-height:1}
.faq[open] summary::after{content:"–"}
.faq div{padding:0 1.3rem 1.2rem;font-size:.95rem}

/* footer */
.site-footer{background:var(--ink);color:var(--steel);padding:4rem 0 2rem;font-size:.92rem}
.footer-grid{display:grid;gap:2.4rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));margin-bottom:2.6rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:1rem;letter-spacing:.04em}
.site-footer li{margin-bottom:.55rem}
.site-footer a:hover{color:var(--laser)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:1.6rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;font-size:.82rem}
.footer-brand p{max-width:22rem;margin-top:.9rem;font-size:.88rem}

/* sayfa başlığı (iç sayfalar) */
.page-hero{background:radial-gradient(900px 420px at 85% -20%,rgba(46,107,240,.35),transparent 60%),var(--ink);color:#fff;padding:4.2rem 0 3.6rem;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(41,197,255,.15) 1px,transparent 1px);background-size:26px 26px;mask-image:linear-gradient(180deg,#000,transparent);pointer-events:none}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,3rem);margin:.9rem 0 .8rem}
.page-hero p{color:var(--steel);max-width:42rem;font-size:1.05rem}
.crumbs{font-size:.82rem;color:var(--steel);margin-bottom:1.4rem}
.crumbs a:hover{color:var(--laser)}
.crumbs b{color:var(--laser);font-weight:500}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

.note{font-size:.8rem;color:#7B8FA4;margin-top:1rem}
.pill-row{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.1rem}
.pill{font-family:var(--font-d);font-size:.78rem;border:1px solid var(--line-light);border-radius:999px;padding:.3rem .85rem;color:var(--slate);background:#fff}
.dark .pill{background:transparent;border-color:rgba(255,255,255,.16);color:#C6D4E2}