/* ------------------------------------------------------------------
   Custofaber IT tanıtım sitesi. Ana site ve Guard ile aynı dil:
   sıcak zemin, mürekkep, köşesiz butonlar, kart yerine çizgiyle ayrılan satırlar.

   Renk mantığı (Arcus)
   IT'nin vurgusu nötr: mürekkep ve gri. Ayrı bir ürün rengi yok.
   key (kiremit) = yalnızca marka işareti: logo ve seçili menü kaması
   durumlar     = olumlu daire, uyarı üçgen, kritik sekizgen, bilgi kare; metin her zaman yazılır
   ------------------------------------------------------------------ */
:root{
  --ground:#F2F1EE; --paper:#FBFBFA; --ink:#2B2A28; --muted:#5E5B55; --faint:#6F6A62; --line:#D6D1C7; --line-2:#E6E2DA;
  --key:#B5532E;
  --dark:#2B2A28; --dark-2:#33322F; --on-dark:#F2F1EE; --on-dark-muted:#BDB8AE; --dark-line:#4A4844;
  --ok:#3E7C5A; --warn:#8A5A00; --crit:#A3203A; --info:#4F4C47; --crit-on-dark:#E8798F; --ok-on-dark:#8FCCA8;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif;
  --max:1160px; --gut:clamp(20px,4vw,40px);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
img,svg{display:block}
button{font:inherit;cursor:pointer}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.08;letter-spacing:-0.025em;text-wrap:balance}
h2{font-size:clamp(30px,3.6vw,46px);letter-spacing:-0.03em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--on-dark);padding:8px 14px;z-index:50}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.dark :focus-visible{outline-color:var(--on-dark)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ---------- başlık çubuğu ---------- */
#hdr{position:sticky;top:0;z-index:30;background:rgba(242,241,238,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color .2s}
#hdr.scrolled{border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand img{height:32px;width:auto}
.brand .sub{padding-left:14px;border-left:2px solid var(--ink);font-weight:700;font-size:19px;line-height:1.1;letter-spacing:-0.015em}
.links{display:flex;align-items:center;gap:22px}
.links a:not(.btn){position:relative;text-decoration:none;color:var(--muted);font-weight:500;font-size:15px;padding:6px 0}
.links a:not(.btn):hover{color:var(--ink)}
.links a:not(.btn).active{color:var(--ink);font-weight:700}
/* Seçili bölüm kaması: kiremidin izinli iki kullanımından biri. */
.links a:not(.btn).active::before{content:"";position:absolute;left:-13px;top:50%;margin-top:-5px;width:7px;height:10px;background:var(--key);clip-path:polygon(0 0,100% 12%,100% 88%,0 100%)}
.links .lang{display:flex;gap:2px;margin-left:4px}
.links .lang a:not(.btn){font-size:13px;font-weight:700;color:var(--faint);text-decoration:none;padding:6px 6px;min-height:36px;display:inline-flex;align-items:center}
.links .lang a:not(.btn):hover{color:var(--ink)}
.links .lang a[aria-current="true"]{color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}
.burger{display:none;font:inherit;font-weight:700;font-size:15px;border:1px solid var(--ink);background:none;color:var(--ink);padding:8px 14px;min-height:40px}

/* ---------- butonlar ve bağlantılar ---------- */
.btns{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid var(--ink);background:var(--ink);color:var(--on-dark);border-radius:0;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:#4A4844;border-color:#4A4844;color:#fff}
.btn.sm{min-height:40px;padding:0 16px;font-size:15px}
.btn.ghost{background:none;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--on-dark)}
.dark .btn{background:var(--on-dark);border-color:var(--on-dark);color:var(--ink)}
.dark .btn:hover{background:#fff;border-color:#fff;color:var(--ink)}
.dark .btn.ghost{background:none;border-color:var(--on-dark-muted);color:var(--on-dark)}
.dark .btn.ghost:hover{border-color:var(--on-dark)}
.textlink{font-weight:700;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px;text-decoration-color:var(--faint)}
.textlink:hover{text-decoration-color:var(--ink)}
.dark .textlink{text-decoration-color:var(--on-dark-muted)}
.dark .textlink:hover{text-decoration-color:var(--on-dark)}

/* ---------- bölümler ---------- */
section.block{padding:clamp(80px,10vw,128px) 0}
section.block + section.block:not(.dark){border-top:2px solid var(--ink)}
.dark{background:var(--dark);color:var(--on-dark)}
.dark .muted{color:var(--on-dark-muted)}
.head{max-width:44rem;margin-bottom:clamp(40px,5vw,56px)}
.head p{margin:18px 0 0;font-size:clamp(17px,1.5vw,19px);color:var(--muted)}
.dark .head p{color:var(--on-dark-muted)}

/* ---------- giriş ---------- */
.hero{padding:clamp(40px,6vw,72px) 0 clamp(8px,2vw,24px)}
.hero-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,25rem);gap:28px 64px;align-items:end}
.hero h1{font-size:clamp(44px,6.4vw,88px);letter-spacing:-0.05em;line-height:.97;max-width:11ch}
.hero .lead{font-size:clamp(17px,1.6vw,19px);color:var(--muted);max-width:48ch;margin:0 0 24px}
.record-h{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;align-items:baseline;margin:clamp(40px,5vw,64px) 0 14px;padding-top:16px;border-top:2px solid var(--ink)}
.record-h p{font-size:15px;color:var(--muted);max-width:66ch}
.record-h b{color:var(--ink)}

/* ---------- cihaz kaydı (sayfanın akılda kalan öğesi) ---------- */
.record{background:var(--paper);border:1px solid var(--line);box-shadow:10px 10px 0 var(--line-2);font-size:14px}
.rec-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 24px;align-items:end;padding:18px 22px;border-bottom:2px solid var(--ink)}
.rec-name{font-family:var(--mono);font-weight:600;font-size:clamp(24px,2.6vw,32px);letter-spacing:-0.01em;line-height:1.1}
.rec-sub{color:var(--muted);font-size:14px;margin-top:4px}
.rec-agent{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);white-space:nowrap}
.rec-agent b{color:var(--ink)}
.rec-agent .dot{width:8px;height:8px;border-radius:50%;background:var(--ok)}
.record[data-state="reading"] .rec-agent .dot{background:var(--faint);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:.25}}
.rec-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr) minmax(0,1.15fr)}
.rec-col{padding:16px 22px 18px}
.rec-col + .rec-col{border-left:1px solid var(--line)}
.rec-col h3{font-size:14px;font-weight:700;letter-spacing:0;margin:0 0 8px;color:var(--ink)}
.rec-col h3 small{font-weight:500;color:var(--muted);font-size:13px}
.kv{display:grid;grid-template-columns:auto minmax(0,1fr);gap:0;margin:0}
.kv dt,.kv dd{padding:6px 0;border-top:1px solid var(--line-2);margin:0}
.kv dt{color:var(--muted);padding-right:14px}
.kv dd{text-align:right;overflow-wrap:anywhere}
.kv dd.m{font-family:var(--mono);font-size:13px}
.kv .st{justify-self:end}
.record[data-state="reading"] .fill{opacity:0}
.fill{transition:opacity .35s ease}
.rec-col .rec-sub-h{margin:18px 0 6px}
.hist{list-style:none;margin:0;padding:0}
.hist li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:0 12px;padding:6px 0;border-top:1px solid var(--line-2)}
.hist .t{font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.hist .h{font-family:var(--mono);font-size:12px;color:var(--faint)}
.rec-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;padding:12px 22px;border-top:1px solid var(--line);background:var(--ground)}
.seal{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;color:var(--ok)}
.seal svg{width:16px;height:16px}
.rec-btn{font-size:13px;font-weight:700;padding:7px 12px;border:2px solid var(--ink);background:var(--ink);color:var(--on-dark)}
.cap{font-size:12.5px;color:var(--muted);margin-top:14px;text-align:right}

/* ---------- durum şekilleri ---------- */
.st{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13px;white-space:nowrap}
.st::before{content:"";width:9px;height:9px;flex:none;background:currentColor}
.st.ok{color:var(--ok)} .st.ok::before{border-radius:50%}
.st.warn{color:var(--warn)} .st.warn::before{clip-path:polygon(50% 0,100% 100%,0 100%)}
.st.crit{color:var(--crit)} .st.crit::before{clip-path:polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%)}
.st.info{color:var(--info)}

/* ---------- dört iş ---------- */
.jobs{border-bottom:2px solid var(--ink)}
.job{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:24px clamp(28px,5vw,72px);padding:clamp(32px,4vw,48px) 0;border-top:2px solid var(--ink)}
.job h3{font-size:clamp(26px,2.6vw,34px);letter-spacing:-0.03em;margin-bottom:10px}
.job .one{color:var(--muted);max-width:44ch}
.ticks{list-style:none;margin:0;padding:0}
.ticks li{position:relative;padding:10px 0 10px 26px;border-top:1px solid var(--line);color:var(--muted)}
.ticks li:first-child{border-top:0;padding-top:2px}
.ticks li::before{content:"";position:absolute;left:1px;top:17px;width:10px;height:5px;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(-45deg)}
.ticks li:first-child::before{top:9px}
.ticks b{color:var(--ink)}

/* Yazdırılabilir zimmet tutanağından bir parça */
.form-snip{margin-top:20px;background:#fff;border:1px solid var(--line);padding:18px 20px;font-size:13.5px;max-width:30rem}
.form-snip .ft{font-weight:700;font-size:15px;text-align:center;padding-bottom:10px;border-bottom:2px solid var(--ink)}
.form-snip .kv dd{text-align:left}
.sign{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:18px}
.sign div{border-top:1px solid var(--ink);padding-top:6px;font-size:12.5px;color:var(--muted)}

/* Yardım masası hedef süreleri */
.sla{width:100%;max-width:30rem;border-collapse:collapse;margin-top:20px;font-size:15px}
.sla caption{text-align:left;font-weight:700;font-size:14px;padding-bottom:6px}
.sla th,.sla td{padding:8px 0;border-top:1px solid var(--line);text-align:left}
.sla td{text-align:right;font-variant-numeric:tabular-nums;font-weight:700}
.sla tr:last-child th,.sla tr:last-child td{border-bottom:1px solid var(--line)}
.sla th{font-weight:500;color:var(--muted)}

/* ---------- Lapis ---------- */
.lapis-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px clamp(32px,6vw,88px)}
.lapis-grid h3{font-size:21px;letter-spacing:-0.015em;padding-bottom:10px;border-bottom:2px solid var(--on-dark)}
.cols2{columns:2;column-gap:32px}
.dl-list{list-style:none;margin:0;padding:0}
.dl-list li{break-inside:avoid;padding:9px 0;border-bottom:1px solid var(--dark-line);color:var(--on-dark-muted);font-size:15.5px}
.dl-list li b{color:var(--on-dark);font-weight:700}
.never li{position:relative;padding-left:24px}
.never li::before,.never li::after{content:"";position:absolute;left:2px;top:50%;width:12px;height:2px;background:var(--crit-on-dark)}
.never li::before{transform:rotate(45deg)} .never li::after{transform:rotate(-45deg)}
.unknown{margin-top:20px;font-size:15px;color:var(--on-dark-muted);max-width:40ch}
.unknown b{color:var(--on-dark)}
.rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px clamp(24px,4vw,56px);margin-top:clamp(48px,6vw,72px)}
.rules div{border-top:2px solid var(--on-dark-muted);padding-top:14px}
.rules h4{font-size:18px;letter-spacing:-0.01em;margin-bottom:6px}
.rules p{color:var(--on-dark-muted);font-size:15.5px}

/* ---------- Guard bağlantısı ---------- */
.guard-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px clamp(32px,6vw,88px);align-items:start}
.guard-grid p{color:var(--muted);margin-top:16px;max-width:44ch}
.guard-grid .textlink{display:inline-block;margin-top:22px}
.map{width:100%;border-collapse:collapse;font-size:15.5px}
.map caption{text-align:left;font-weight:700;font-size:14px;padding-bottom:6px}
.map th,.map td{padding:10px 0;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.map thead th{border-top:2px solid var(--ink);font-size:14px;font-weight:700;color:var(--ink)}
.map tbody th{font-weight:500}
.map td{font-family:var(--mono);font-size:14px;color:var(--muted);text-align:right;padding-left:16px}
.map tbody tr:last-child th,.map tbody tr:last-child td{border-bottom:1px solid var(--line)}
.map + .map{margin-top:28px}

/* ---------- kurulum (sıralı üç adım) ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px clamp(24px,4vw,56px);counter-reset:step}
.steps li{counter-increment:step}
.steps li::before{content:counter(step);display:block;font-size:56px;font-weight:700;line-height:1;letter-spacing:-0.04em;margin-bottom:14px}
.steps h3{font-size:22px;letter-spacing:-0.015em;margin-bottom:8px}
.steps p{color:var(--muted);max-width:38ch}
.cmd{display:block;margin-top:14px;padding:10px 12px;background:var(--dark);color:var(--on-dark);font-family:var(--mono);font-size:12.5px;line-height:1.5;overflow-wrap:anywhere}

/* ---------- üç söz ---------- */
.vows{list-style:none;margin:0;padding:0;border-bottom:2px solid var(--ink)}
.vow{display:grid;grid-template-columns:minmax(0,16rem) minmax(0,1fr);gap:8px 40px;padding:26px 0;border-top:2px solid var(--ink)}
.vow h3{font-size:clamp(22px,2.2vw,28px);letter-spacing:-0.025em}
.vow p{color:var(--muted);max-width:56ch}

/* ---------- sık sorulanlar ---------- */
.faq .wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(36px,5vw,72px)}
details{border-top:1px solid var(--line)}
details:last-child{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-weight:700;font-size:18px;letter-spacing:-0.01em}
summary::-webkit-details-marker{display:none}
summary::after{content:"";flex:none;width:10px;height:10px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg) translate(-3px,-3px);transition:transform .2s}
details[open] summary::after{transform:rotate(225deg)}
details p{margin:0 0 22px;color:var(--muted);max-width:62ch}

/* ---------- demo ---------- */
.cta{background:var(--dark);color:var(--on-dark);padding:clamp(72px,9vw,112px) 0}
.cta-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,88px)}
.cta h2{font-size:clamp(34px,4.6vw,60px);letter-spacing:-0.04em;max-width:13ch}
.cta .intro p{margin:18px 0 0;color:var(--on-dark-muted);max-width:44ch}
.cta .mail{display:inline-block;margin-top:26px;color:var(--on-dark);font-weight:700;font-size:clamp(18px,1.7vw,21px);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px;text-decoration-color:var(--on-dark-muted);overflow-wrap:anywhere}
.privacy{margin-top:28px;padding-top:16px;border-top:1px solid var(--dark-line);font-size:14px;color:var(--on-dark-muted);max-width:46ch}
form{display:grid;gap:18px}
.f{display:grid;gap:8px}
.f label{font-size:14.5px;font-weight:700;color:var(--on-dark)}
.f .hint{font-size:13.5px;color:var(--on-dark-muted);font-weight:400}
.inp{width:100%;font:inherit;font-size:16px;color:var(--on-dark);background:var(--dark-2);border:1px solid var(--dark-line);border-radius:0;padding:12px 14px;min-height:48px}
.inp:focus{outline:none;border-color:var(--on-dark);box-shadow:0 0 0 1px var(--on-dark)}
.inp::placeholder{color:#8C877E}
textarea.inp{resize:vertical;min-height:96px}
select.inp{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23BDB8AE' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:16px;padding-right:40px}
.f2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.err{font-size:13.5px;color:var(--crit-on-dark);display:none}
.f.bad .err{display:block}
.f.bad .inp{border-color:var(--crit-on-dark)}
.fnote{font-size:13.5px;color:var(--on-dark-muted);min-height:1.4em}
.fnote.ok{color:var(--ok-on-dark)}

/* ---------- alt bilgi ---------- */
footer{padding:56px 0 40px;color:var(--muted);font-size:14px}
.fgrid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:start}
.fcol h4{margin:0 0 12px;font-size:14px;font-weight:700;letter-spacing:0;color:var(--ink)}
.fcol a{display:block;text-decoration:none;color:var(--muted);padding:4px 0;font-size:15px}
.fcol a:hover{color:var(--ink)}
.fcol img{height:24px;width:auto}
.fcol .lead{margin:14px 0 0;max-width:36ch;font-size:14.5px}
.fbot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px}

/* ---------- 404 ---------- */
.nf{padding:clamp(80px,12vw,160px) 0;border-bottom:1px solid var(--line)}
.nf .code{font-size:15px;font-weight:700;color:var(--muted);margin-bottom:12px}
.nf h1{font-size:clamp(36px,5vw,56px);letter-spacing:-0.04em}
.nf p{color:var(--muted);margin:18px 0 28px;max-width:46ch}

/* ---------- dar ekranlar ---------- */
@media (max-width:1040px){
  .hero-row,.guard-grid,.lapis-grid,.cta-grid,.faq .wrap{grid-template-columns:minmax(0,1fr)}
  .hero-row{gap:20px}
  .rec-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .rec-col:nth-child(3){grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}
}
@media (max-width:900px){
  .burger{display:inline-flex;align-items:center}
  .links{position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:flex-start;gap:2px;padding:10px var(--gut) 20px;background:var(--ground);border-bottom:1px solid var(--line);display:none}
  .links.open{display:flex}
  .links a:not(.btn){padding:10px 0;font-size:17px}
  .links a:not(.btn).active::before{left:-14px}
  .links .lang{margin:6px 0 0 -6px}
  .links .btn{margin:10px 0 0}
  .job,.vow{grid-template-columns:minmax(0,1fr)}
  .steps,.rules{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:700px){
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .rec-col + .rec-col{border-left:0;border-top:1px solid var(--line)}
  .rec-top{grid-template-columns:minmax(0,1fr)}
  .record{box-shadow:6px 6px 0 var(--line-2)}
  .cols2{columns:1}
  .f2{grid-template-columns:minmax(0,1fr)}
  .fgrid{grid-template-columns:minmax(0,1fr);gap:28px}
  .brand img{height:27px}
  .brand .sub{padding-left:11px;font-size:17px}
}