/* =========================================================
   musaduran.com — "Teknik Pafta"
   Palet: derin mürekkep zemin, pafta çizgisi, sinyal amber
   ========================================================= */

:root{
  --ink:#0B1622;
  --ink-2:#101E2C;
  --ink-3:#16283A;
  --line:#1F3346;
  --line-soft:rgba(82,209,224,.14);
  --cyan:#52D1E0;
  --amber:#FFB020;
  --paper:#EEF4F7;
  --muted:#8CA5B8;
  --ok:#4ADE80;

  --w:1120px;
  --r:2px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --disp:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font:400 16px/1.65 var(--body);
  letter-spacing:.005em;
  /* pafta ızgarası */
  background-image:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:64px 64px;
  background-position:-1px -1px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 22px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--amber);color:#000;padding:8px 14px;z-index:99}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(11,22,34,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:62px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--disp);font-weight:700;letter-spacing:-.01em}
.brand-mark{width:13px;height:13px;border:2px solid var(--cyan);display:block;transform:rotate(45deg)}
.nav nav{display:flex;gap:22px}
.nav nav a{
  text-decoration:none;color:var(--muted);font-size:14px;font-weight:500;
  padding:4px 0;border-bottom:1px solid transparent;transition:color .18s,border-color .18s;
}
.nav nav a:hover,.nav nav a.on{color:var(--paper);border-color:var(--cyan)}

/* ---------- ortak bölüm ---------- */
section{padding:84px 0}
.sec-label{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);display:flex;align-items:center;gap:12px;margin-bottom:18px;
}
.sec-label::after{content:"";flex:1;height:1px;background:var(--line)}
h1,h2,h3{font-family:var(--disp);font-weight:700;letter-spacing:-.025em;line-height:1.1;margin:0}
h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:14px}
h3{font-size:19px;letter-spacing:-.015em}
.lede{color:var(--muted);font-size:17px;max-width:62ch;margin:0 0 34px}

/* ---------- hero ---------- */
.hero{padding:96px 0 70px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(34px,6vw,62px)}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero-sub{color:var(--muted);font-size:18px;max-width:52ch;margin:20px 0 30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.coord{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--muted);margin-bottom:20px}
.coord b{color:var(--cyan);font-weight:500}

/* teknik kart (hero sağ) */
.spec{
  border:1px solid var(--line);background:linear-gradient(160deg,var(--ink-2),var(--ink));
  padding:22px;position:relative;
}
.spec::before,.spec::after{
  content:"";position:absolute;width:9px;height:9px;border:1px solid var(--cyan);
}
.spec::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.spec::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.spec dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:9px 16px;font-size:13.5px}
.spec dt{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;padding-top:2px}
.spec dd{margin:0;color:var(--paper)}

/* ---------- butonlar ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--disp);font-weight:600;font-size:14.5px;text-decoration:none;
  padding:13px 22px;border:1px solid var(--line);border-radius:var(--r);
  transition:transform .16s,background .16s,border-color .16s;
}
.btn:hover{transform:translateY(-2px)}
.btn-p{background:var(--amber);color:#0B1622;border-color:var(--amber)}
.btn-p:hover{background:#ffc14d}
.btn-g{color:var(--paper)}
.btn-g:hover{border-color:var(--cyan)}
.btn-c{background:var(--cyan);color:#08131c;border-color:var(--cyan)}
.btn-c:hover{background:#7ae0ec}

/* ---------- ürün vitrini (anasayfa) ---------- */
.product{
  border:1px solid var(--line);background:var(--ink-2);
  display:grid;grid-template-columns:1.2fr .8fr;gap:0;
}
.product-l{padding:34px}
.product-r{border-left:1px solid var(--line);padding:34px;background:
  radial-gradient(120% 100% at 100% 0%,rgba(82,209,224,.09),transparent 60%)}
.tag{
  display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink);background:var(--cyan);padding:3px 9px;margin-bottom:14px;
}
.product h3{font-size:30px;margin-bottom:10px}
.product p{color:var(--muted);margin:0 0 20px}
.price-line{font-family:var(--disp);font-size:15px;margin:0 0 6px}
.price-line b{font-size:24px;letter-spacing:-.02em}
.price-note{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin:0 0 22px}

/* ---------- kart ızgaraları ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cell{background:var(--ink);padding:26px 24px;transition:background .2s}
.cell:hover{background:var(--ink-2)}
.cell .n{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--cyan);display:block;margin-bottom:12px}
.cell h3{margin-bottom:8px}
.cell p{color:var(--muted);font-size:14.5px;margin:0}

/* ---------- iş listesi ---------- */
.works{border-top:1px solid var(--line)}
.work{
  display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:baseline;
  padding:20px 4px;border-bottom:1px solid var(--line);
}
.work .idx{font-family:var(--mono);font-size:11px;color:var(--cyan);letter-spacing:.1em}
.work .nm{font-family:var(--disp);font-weight:600;font-size:17px}
.work .ds{color:var(--muted);font-size:14px;display:block;margin-top:3px;font-family:var(--body);font-weight:400}
.work .st{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;white-space:nowrap}

/* ---------- tak360 senkron şeması ---------- */
.flow{border:1px solid var(--line);background:var(--ink-2);padding:30px;margin-top:8px}
.flow svg{width:100%;height:auto}
.dash{stroke-dasharray:5 7;animation:march 1.4s linear infinite}
@keyframes march{to{stroke-dashoffset:-24}}

/* ---------- fiyat tablosu ---------- */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.plan{background:var(--ink);padding:32px 28px;display:flex;flex-direction:column}
.plan-k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.plan-amt{font-family:var(--disp);font-weight:700;font-size:38px;letter-spacing:-.03em;line-height:1}
.plan-per{font-family:var(--body);font-weight:400;font-size:15px;color:var(--muted)}
.plan-kdv{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin:8px 0 22px}
.plan ul{list-style:none;padding:0;margin:0 0 26px;flex:1}
.plan li{position:relative;padding-left:22px;margin-bottom:10px;font-size:14.5px;color:var(--paper)}
.plan li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border:1px solid var(--cyan);transform:rotate(45deg)}

/* ---------- SSS ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:18px 4px}
.faq summary{cursor:pointer;font-family:var(--disp);font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-weight:500}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);font-size:14.5px;margin:12px 0 0;max-width:70ch}

/* ---------- form ---------- */
.form{display:grid;gap:16px;max-width:560px}
.field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;background:var(--ink-2);border:1px solid var(--line);color:var(--paper);
  padding:12px 14px;font:400 15px var(--body);border-radius:var(--r);
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--cyan);outline:none}
.field textarea{min-height:120px;resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.check input{width:17px;height:17px;margin-top:2px;flex:none;accent-color:var(--cyan)}
.check a{color:var(--cyan)}
.hp{position:absolute;left:-9999px}
.msg{border:1px solid var(--ok);background:rgba(74,222,128,.08);padding:14px 16px;font-size:14.5px;margin-bottom:22px}
.msg.err{border-color:var(--amber);background:rgba(255,176,32,.08)}

/* ---------- hukuki metin ---------- */
.legal{max-width:76ch}
.legal h2{font-size:clamp(24px,3vw,34px);margin-bottom:8px}
.legal h3{margin:34px 0 10px;font-size:16px;color:var(--cyan);font-family:var(--mono);font-weight:500;letter-spacing:.1em;text-transform:uppercase}
.legal p,.legal li{color:#C7D6E0;font-size:15px;line-height:1.75}
.legal ul{padding-left:20px}
.legal table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px}
.legal td{border:1px solid var(--line);padding:10px 13px;vertical-align:top}
.legal td:first-child{width:190px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.upd{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-top:38px}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);background:var(--ink-2);padding:52px 0 26px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px}
.foot-h{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.foot-p{color:var(--muted);font-size:13.5px;line-height:1.8;margin:0}
.foot-p a{color:var(--muted);text-decoration:none}
.foot-p a:hover{color:var(--paper)}
.foot-p.small{font-size:12px;margin-top:12px;line-height:1.6}
.pay{display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:#fff;padding:9px 12px;border-radius:var(--r);width:fit-content}
.foot-bar{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);margin-top:38px;padding-top:20px;color:var(--muted);font-size:13px;flex-wrap:wrap}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-grid,.product,.grid-3,.grid-2,.plans,.foot-grid{grid-template-columns:1fr}
  .product-r{border-left:0;border-top:1px solid var(--line)}
  .foot-grid{gap:28px}
  section{padding:60px 0}
  .hero{padding:64px 0 48px}
  .nav nav{gap:14px}
  .nav nav a{font-size:13px}
  .work{grid-template-columns:auto 1fr;gap:14px}
  .work .st{grid-column:2;margin-top:4px}
}
@media (max-width:520px){
  .brand-txt{font-size:15px}
  .nav-in{height:56px}
  body{background-size:44px 44px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}