/* oktapoint.com — tasarım sistemi (oktasoft.com tabanı, oktapoint kobalt/lacivert paleti)
   Token'lar → yazı tipi → temel → düzen → bileşenler → bölümler → hareket.
   Renk kontrastları WCAG AA (≥4.5:1): metin/zemin ≥5.4, buton beyaz/kobalt 11.2 (açık) · 6.2 (koyu) */

/* ── Yazı tipleri: self-host, tek dosya = Latin + Türkçe alt kümesi (OFL, lisanslar fonts/ içinde) ── */
@font-face{font-family:"Saira SC";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/saira-sc-500.woff2) format("woff2")}
@font-face{font-family:"Saira SC";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/saira-sc-600.woff2) format("woff2")}
@font-face{font-family:"Saira SC";font-style:normal;font-weight:700;font-display:swap;src:url(/static/fonts/saira-sc-700.woff2) format("woff2")}
@font-face{font-family:"Figtree";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/figtree-400.woff2) format("woff2")}
@font-face{font-family:"Figtree";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/figtree-500.woff2) format("woff2")}
@font-face{font-family:"Figtree";font-style:normal;font-weight:600;font-display:swap;src:url(/static/fonts/figtree-600.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/static/fonts/jetbrains-mono-400.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/static/fonts/jetbrains-mono-500.woff2) format("woff2")}

/* ── Token'lar: açık (varsayılan) ───────────────────────────────────────── */
:root{
  --bg:#F5F6FA; --s1:#FFFFFF; --s2:#ECEEF5; --line:#DDE1EC; --line-2:#C5CBDC; --grid:rgba(11,16,51,.045);
  --text:#0B1033; --muted:#4A5072; --faint:#5A6080;
  --acc:#1226AA; --acc-fill:#1226AA; --acc-ink:#FFFFFF; --acc-soft:rgba(18,38,170,.10);
  --ok:#18704A; --warn:#735800; --crit:#B03330; --data:#1A6087;
  --ok-fill:#2E9E6A; --warn-fill:#D9A400; --crit-fill:#D9453F;
  --warn-band:rgba(217,164,0,.10); --crit-band:rgba(217,69,63,.10);
  --shadow:0 1px 0 rgba(20,24,28,.04), 0 12px 32px -18px rgba(20,24,28,.28);
  --logo-filter:none;
  --font-h:"Saira SC","Arial Narrow",system-ui,sans-serif;
  --font-b:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-m:"JetBrains Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
  --r:6px; --r-lg:10px;
  --wrap:1240px; --gut:16px;
  --sec:clamp(72px,10vw,136px);
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
/* koyu: sistem tercihi (kullanıcı açık seçmediyse) */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0A0E24; --s1:#10153A; --s2:#161C47; --line:#222A5A; --line-2:#323B70; --grid:rgba(220,226,255,.04);
    --text:#E8EBF7; --muted:#A3AACB; --faint:#858DB0;
    --acc:#8C9BFF; --acc-fill:#3F52D6; --acc-ink:#FFFFFF; --acc-soft:rgba(140,155,255,.14);
    --ok:#45C08A; --warn:#F2C94C; --crit:#F26D6A; --data:#5DB3E0;
    --ok-fill:#45C08A; --warn-fill:#F2C94C; --crit-fill:#F26D6A;
    --warn-band:rgba(242,201,76,.08); --crit-band:rgba(242,109,106,.10);
    --shadow:0 1px 0 rgba(0,0,0,.3), 0 18px 40px -20px rgba(0,0,0,.7);
    --logo-filter:none; color-scheme:dark;
  }
}
/* koyu: kullanıcı seçimi */
:root[data-theme="dark"]{
  --bg:#0A0E24; --s1:#10153A; --s2:#161C47; --line:#222A5A; --line-2:#323B70; --grid:rgba(220,226,255,.04);
    --text:#E8EBF7; --muted:#A3AACB; --faint:#858DB0;
    --acc:#8C9BFF; --acc-fill:#3F52D6; --acc-ink:#FFFFFF; --acc-soft:rgba(140,155,255,.14);
  --ok:#45C08A; --warn:#F2C94C; --crit:#F26D6A; --data:#5DB3E0;
  --ok-fill:#45C08A; --warn-fill:#F2C94C; --crit-fill:#F26D6A;
  --warn-band:rgba(242,201,76,.08); --crit-band:rgba(242,109,106,.10);
  --shadow:0 1px 0 rgba(0,0,0,.3), 0 18px 40px -20px rgba(0,0,0,.7);
  --logo-filter:none; color-scheme:dark;
}
@media (min-width:768px){ :root{ --gut:28px; } }
@media (min-width:1280px){ :root{ --gut:40px; } }

/* ── Temel ──────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.6 var(--font-b);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img,svg,picture{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}
h1,h2,h3{font-family:var(--font-h);font-weight:600;line-height:1.08;margin:0;letter-spacing:-.005em;text-wrap:balance}
h2{font-size:clamp(1.85rem,1.25rem + 2.3vw,3rem)}
h3{font-size:1.3rem;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd{margin:0}
.mono{font-family:var(--font-m);font-feature-settings:"zero" 0;letter-spacing:0}
:focus-visible{outline:2px solid var(--acc-fill);outline-offset:3px;border-radius:2px}
::selection{background:var(--acc-fill);color:var(--acc-ink)}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--acc-fill);color:var(--acc-ink);
  padding:10px 14px;border-radius:var(--r);font-weight:600;text-decoration:none}
.skip:focus{top:12px}
.wrap{width:100%;max-width:calc(var(--wrap) + 2*var(--gut));margin-inline:auto;padding-inline:var(--gut)}
.logo{height:auto}
/* iki renkli logo: temaya göre doğru sürüm */
.logo-on-dark{display:none}
:root[data-theme="dark"] .logo-on-light{display:none} :root[data-theme="dark"] .logo-on-dark{display:inline-block}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .logo-on-light{display:none} :root:not([data-theme="light"]) .logo-on-dark{display:inline-block} }

/* ── Düğmeler, etiketler ────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;
  border-radius:var(--r);font:600 1rem/1 var(--font-b);text-decoration:none;cursor:pointer;
  border:1px solid transparent;transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--acc-fill);color:var(--acc-ink)}
.btn-primary:hover{background:color-mix(in srgb,var(--acc-fill) 86%,var(--text))}
.btn-line{border-color:var(--line-2);color:var(--text);background:transparent}
.btn-line:hover{border-color:var(--text)}
.btn-sm{min-height:40px;padding:0 16px;font-size:.9375rem}
.btn[disabled]{opacity:.6;cursor:progress}
.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:var(--r);border:1px solid var(--line);
  background:transparent;color:var(--text);cursor:pointer}
.icon-btn:hover{border-color:var(--line-2)}
.icon-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.tag{display:inline-block;font:500 .75rem/1 var(--font-m);padding:6px 8px;border:1px solid var(--line);
  border-radius:3px;color:var(--muted);white-space:nowrap}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.eyebrow,.sec-tag{font:500 .8125rem/1.3 var(--font-m);text-transform:uppercase;letter-spacing:.06em;color:var(--acc)}
.sec-tag span{color:var(--faint);margin-right:8px}
.sec-tag span::after{content:" /";color:var(--line-2)}
.sec-sub{color:var(--muted);font-size:1.125rem;max-width:58ch;margin-top:16px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--acc);text-decoration:none;margin-top:24px}
.link-arrow:hover{text-decoration:underline}
.link-arrow svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}
.checks li{position:relative;padding-left:22px;margin-top:8px;color:var(--muted)}
.checks li::before{content:"";position:absolute;left:2px;top:.62em;width:9px;height:5px;border-left:2px solid var(--acc-fill);
  border-bottom:2px solid var(--acc-fill);transform:rotate(-45deg)}

/* ── Üst menü ───────────────────────────────────────────────────────────── */
.hdr{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid transparent;transition:border-color .25s}
.hdr.is-stuck{border-bottom-color:var(--line)}
.hdr-in{display:flex;align-items:center;gap:20px;height:68px}
.brand{flex:none;display:block;padding:6px 0}
.brand .logo{width:140px}
.nav{margin-left:auto}
.nav ul{display:flex;align-items:center;gap:4px}
.nav a{display:block;padding:10px 12px;border-radius:var(--r);text-decoration:none;color:var(--muted);font-weight:500;font-size:.9688rem}
.nav a:hover{color:var(--text)}
.nav .nav-ext a{font-family:var(--font-m);font-size:.8125rem;letter-spacing:.02em}
.cart-btn{color:var(--acc)} .cart-btn svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav .nav-cta-m{display:none}
.hdr-tools{display:flex;align-items:center;gap:8px}
.lang{display:flex;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.lang a{font:500 .75rem/1 var(--font-m);padding:13px 9px;color:var(--faint);text-decoration:none}
.lang a[aria-current]{color:var(--text);background:var(--s2)}
.i-moon{display:none}
:root[data-theme="dark"] .i-sun{display:none} :root[data-theme="dark"] .i-moon{display:block}
@media (prefers-color-scheme:dark){ :root:not([data-theme="light"]) .i-sun{display:none} :root:not([data-theme="light"]) .i-moon{display:block} }
.nav-toggle{display:none}
.nav-toggle path{transition:transform .25s var(--ease),opacity .2s;transform-origin:12px 12px}
@media (max-width:1079px){
  .hdr-in{height:60px;gap:12px}
  .nav{position:fixed;inset:60px 0 auto 0;margin:0;background:var(--bg);border-bottom:1px solid var(--line);
    padding:8px var(--gut) 20px;display:none;max-height:calc(100dvh - 60px);overflow:auto}
  .nav.is-open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);border-radius:0;font-size:1.0625rem;color:var(--text)}
  .nav .nav-cta-m{display:flex;width:100%;margin-top:16px;padding:0 22px;border:0;border-radius:var(--r);color:var(--acc-ink)}
  .hdr-tools{margin-left:auto}
  .hdr-cta{display:none}
  .nav-toggle{display:inline-grid}
  .nav-toggle[aria-expanded="true"] .l1{transform:translateY(5px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] .l2{opacity:0}
  .nav-toggle[aria-expanded="true"] .l3{transform:translateY(-5px) rotate(-45deg)}
}

/* ── Bölüm iskeleti ─────────────────────────────────────────────────────── */
.sec{padding-block:var(--sec);border-top:1px solid var(--line)}
.sec-head h2{margin-top:14px}
.sec-head-split{display:grid;gap:14px;margin-bottom:clamp(40px,6vw,72px)}
.sec-head-split h2{margin-top:0}
@media (min-width:1024px){
  .sec-head-split{grid-template-columns:3fr 9fr;gap:40px;align-items:start}
  .sec-head-split .sec-tag{padding-top:14px}
}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero{position:relative;padding-block:clamp(40px,7vw,96px) clamp(64px,8vw,112px);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:40px 40px;background-position:-1px -1px}
.hero-grid{display:grid;gap:48px;align-items:center}
@media (min-width:1024px){ .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px} }
.hero-title{font-size:clamp(2.4rem,1.45rem + 4.1vw,4.6rem);font-weight:700;line-height:1.02;margin-top:18px;max-width:14ch}
.hero-sub{font-size:clamp(1.0625rem,1rem + .35vw,1.25rem);color:var(--muted);margin-top:22px;max-width:52ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.spec-chips{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:40px;padding-top:20px;border-top:1px dashed var(--line-2);
  font:500 .8125rem/1.6 var(--font-m);color:var(--faint);max-width:60ch}

/* Enstrüman kartı */
.inst{margin:0;background:var(--s1);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);
  padding:18px 18px 14px;position:relative}
.inst::before,.inst::after{content:"";position:absolute;width:12px;height:12px;border-color:var(--acc-fill);border-style:solid}
.inst::before{top:-1px;left:-1px;border-width:2px 0 0 2px;border-top-left-radius:var(--r-lg)}
.inst::after{bottom:-1px;right:-1px;border-width:0 2px 2px 0;border-bottom-right-radius:var(--r-lg)}
.inst-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.inst-id{font-size:.8125rem;color:var(--muted)}
.dim{color:var(--line-2)}
.dim-t{color:var(--faint);font-size:.8125rem;margin-left:6px}
.state{font:600 .75rem/1 var(--font-m);letter-spacing:.06em;padding:7px 10px 6px;border-radius:3px;min-width:92px;text-align:center;
  border:1px solid currentColor;transition:color .3s,background-color .3s}
.state-ok{color:var(--ok)} .state-warn{color:var(--warn);background:var(--warn-band)} .state-crit{color:var(--crit);background:var(--crit-band)}
.inst-read{display:flex;align-items:flex-end;gap:6px;margin-top:10px}
.inst-val{font-size:clamp(2.6rem,2rem + 2vw,3.4rem);font-weight:500;line-height:1;font-variant-numeric:tabular-nums;min-width:4.2ch}
.inst-unit{font-size:1.25rem;color:var(--muted);padding-bottom:4px}
.inst-th{margin-left:auto;display:grid;grid-template-columns:auto auto;gap:2px 10px;font-size:.6875rem;color:var(--faint)}
.inst-th div{display:contents}
.inst-th dd{text-align:right;color:var(--muted)}
.inst-plot{margin-top:12px;aspect-ratio:640/240;border:1px solid var(--line);border-radius:4px;background:var(--bg);overflow:hidden}
.inst-plot svg{width:100%;height:100%}
.inst-plot .grid line{stroke:var(--line);stroke-width:1;vector-effect:non-scaling-stroke}
.band-warn{fill:var(--warn-band)} .band-crit{fill:var(--crit-band)}
.th{stroke-width:1;stroke-dasharray:4 4;vector-effect:non-scaling-stroke}
.th-warn{stroke:var(--warn-fill)} .th-crit{stroke:var(--crit-fill)}
.trend{fill:none;stroke:var(--data);stroke-width:2;stroke-linejoin:round;vector-effect:non-scaling-stroke;will-change:transform}
.now{stroke:var(--line-2);stroke-width:1;vector-effect:non-scaling-stroke}
.now-dot{fill:var(--bg);stroke:var(--data);stroke-width:2.5;vector-effect:non-scaling-stroke;transition:stroke .3s}
.now-dot.is-warn{stroke:var(--warn-fill)} .now-dot.is-crit{stroke:var(--crit-fill)}
.inst-log{margin-top:12px;border-top:1px solid var(--line);padding-top:10px}
.inst-log-h{font-size:.6875rem;text-transform:uppercase;letter-spacing:.08em;color:var(--faint)}
.inst-log ol{font-size:.75rem;line-height:1.5;color:var(--muted);height:4.5em;overflow:hidden;margin-top:4px}
.inst-log li{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.inst-log time{color:var(--faint);margin-right:6px}
.inst-log .ev-warn{color:var(--warn)} .inst-log .ev-crit{color:var(--crit)} .inst-log .ev-ok{color:var(--ok)}
.inst figcaption{margin-top:10px;font-size:.75rem;color:var(--faint)}
@media (max-width:479px){ .inst-th{display:none} }

/* ── Zincir ─────────────────────────────────────────────────────────────── */
.chain{position:relative}
.bus{position:absolute;pointer-events:none}
/* non-scaling-stroke YOK: pathLength ile birlikte kesik çizgi deseni bozuluyor (yol yarım kalıyordu) */
.bus path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.bus-base{stroke:var(--line-2);stroke-width:2}
.bus-pulse{stroke:var(--acc-fill);stroke-width:3;stroke-dasharray:.035 .965;stroke-dashoffset:1;opacity:0}
.chain.is-live .bus-pulse{opacity:1;animation:pulse 3.2s linear infinite}
@keyframes pulse{to{stroke-dashoffset:0}}
.bus-h{display:none}
.bus-v{left:0;top:0;width:24px;height:100%}
.chain-list{display:grid;gap:36px;position:relative}
.chain-node{position:relative;padding-left:44px}
.pad{position:absolute;left:5px;top:3px;width:14px;height:14px;border:2px solid var(--acc-fill);background:var(--bg);border-radius:2px}
.pad::after{content:"";position:absolute;inset:3px;background:var(--acc-fill);border-radius:1px}
.chain-n{display:block;font-size:.75rem;color:var(--faint)}
.chain-node h3{margin-top:6px}
.chain-node p{color:var(--muted);margin-top:6px}
.chain-node .tags{margin-top:12px}
@media (min-width:1024px){
  .bus-v{display:none}
  .bus-h{display:block;left:0;top:0;width:100%;height:40px}
  .chain-list{grid-template-columns:repeat(5,1fr);gap:0}
  .chain-node{padding:52px 14px 0}
  .pad{left:calc(50% - 9px);top:11px;width:18px;height:18px}
  .chain-node:nth-child(2) .pad{top:-1px} .chain-node:nth-child(4) .pad{top:23px}
}

/* ── Hizmetler ──────────────────────────────────────────────────────────── */
.svc-sec{background:var(--s1)}
.svc-grid{display:grid;gap:40px}
@media (min-width:1024px){
  .svc-grid{grid-template-columns:4fr 8fr;gap:56px;align-items:start}
  .svc-head{position:sticky;top:110px}
}
.svc-list{border-top:1px solid var(--line-2)}
.svc{display:grid;grid-template-columns:44px 1fr;gap:4px 12px;padding:26px 0;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.svc-n{font-size:.8125rem;color:var(--acc);padding-top:4px}
.svc-lead{color:var(--muted);margin-top:8px}
.svc-scope{display:grid;gap:4px 24px;margin-top:14px;font-size:.9688rem}
.svc-scope li{position:relative;padding-left:16px}
.svc-scope li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--line-2)}
.svc-side{grid-column:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}
.svc-ask{display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:600;color:var(--acc);text-decoration:none;min-height:44px}
.svc-ask:hover{text-decoration:underline}
.svc-ask svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}
@media (min-width:640px){ .svc-scope{grid-template-columns:1fr 1fr} }

/* ── Pano ───────────────────────────────────────────────────────────────── */
.panel-grid{display:grid;gap:48px;align-items:center}
@media (min-width:1024px){ .panel-grid{grid-template-columns:5fr 7fr;gap:72px} }
.panel-copy h2{margin-top:14px}
.spec-list{margin-top:32px;border-top:1px solid var(--line)}
.spec-list div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.spec-list dt{font-size:.8125rem;color:var(--faint);text-transform:uppercase;letter-spacing:.05em;padding-top:2px}
.brands{margin-top:36px}
.brands-h{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--acc);margin-bottom:10px}
.brands dl div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:10px 0;border-bottom:1px dashed var(--line)}
.brands dt{font-size:.75rem;color:var(--faint);text-transform:uppercase;letter-spacing:.05em;padding-top:3px}
.brands dd{font-size:.9375rem;line-height:1.55}
.brands-sub{color:var(--muted);font-size:.875rem}
.brands-note{margin-top:10px;font-size:.75rem;color:var(--faint)}
.panel-fig{margin:0;justify-self:center;width:100%;max-width:520px}
.panel-svg{width:100%;height:auto}
.panel-svg *{vector-effect:non-scaling-stroke}
.panel-svg text{font:500 10px var(--font-m);fill:var(--muted);text-anchor:middle}
.dim-lines path{stroke:var(--faint);stroke-width:1;fill:none}
.dim-lines text{fill:var(--faint);font-size:11px}
.enc rect{fill:var(--s1);stroke:var(--text);stroke-width:1.6}
.enc .plate{fill:var(--s2);stroke:var(--line-2);stroke-width:1}
.ducts rect{fill:var(--bg);stroke:var(--line-2);stroke-width:1;stroke-dasharray:3 3}
.rails rect{fill:var(--line-2);stroke:none}
.devs rect{fill:var(--s1);stroke:var(--text);stroke-width:1.2}
.devs .lcd{fill:var(--bg);stroke:var(--line-2)}
.devs .lcd-t{fill:var(--data);font-size:9px}
.wires path{stroke:var(--data);stroke-width:1;fill:none;opacity:.8}
.led{stroke:none}
.led-ok{fill:var(--ok-fill)} .led-io{fill:var(--line-2)} .led-io.on{fill:var(--acc-fill)}
.led-k{fill:var(--ok-fill)} .led-off{fill:var(--line-2)}
.led-t{font-size:8px!important;text-anchor:start!important}

/* ── Ürünler ────────────────────────────────────────────────────────────── */
.prod-grid{display:grid;gap:16px}
.prod{background:var(--s1);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(22px,3vw,36px);position:relative}
.prod h3{font-size:1.6rem;margin-top:10px}
.prod p{color:var(--muted);margin-top:12px}
.prod-kind{font-size:.75rem;color:var(--faint);text-transform:uppercase;letter-spacing:.05em}
.prod .checks{margin-top:16px}
.prod-ico{width:56px;height:56px;margin-bottom:18px}
.prod-ico *{fill:none;stroke:var(--text);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.prod-ico .fill-lvl{fill:var(--acc-soft);stroke:var(--acc-fill)}
.prod-iot{display:grid;gap:28px;padding-bottom:0;overflow:hidden}
.shot{border:1px solid var(--line-2);border-bottom:0;border-radius:8px 8px 0 0;overflow:hidden;background:var(--bg);align-self:end}
.shot-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;border-bottom:1px solid var(--line)}
.shot-bar span{width:9px;height:9px;border-radius:50%;background:var(--line-2)}
.shot-bar em{font-style:normal;font-size:.6875rem;color:var(--faint);margin-left:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.shot-light{display:none}
:root[data-theme="light"] .shot-dark{display:none} :root[data-theme="light"] .shot-light{display:block}
@media (prefers-color-scheme:light){ :root:not([data-theme="dark"]) .shot-dark{display:none} :root:not([data-theme="dark"]) .shot-light{display:block} }
.prod-market{display:grid;gap:24px;border-color:var(--acc-fill);background:linear-gradient(135deg,var(--acc-soft),transparent 60%),var(--s1)}
.prod-market .btn{margin-top:22px}
.prod-ico-lg{width:clamp(96px,14vw,168px);height:auto;margin:0;justify-self:end;align-self:center}
.prod-api{display:grid;gap:24px}
.term{background:#0B0E11;color:#D6DCE1;border-radius:8px;overflow:hidden;border:1px solid #262C33;min-width:0}
.term-bar{font-size:.6875rem;color:#7F8994;padding:8px 14px;border-bottom:1px solid #262C33}
.term pre{margin:0;padding:16px 14px;font-size:.8125rem;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}
.t-line{display:inline}
.t-cmd::before{content:"$ ";color:#FF8A2B}
.t-out{color:#9FD7B9} .t-err{color:#F2A3A1} .t-com{color:#7F8994}
.t-typed{visibility:visible} .t-rest{visibility:hidden}
.prod-vpn h3{font-size:1.35rem}
@media (min-width:900px){
  .prod-grid{grid-template-columns:repeat(12,1fr)}
  .prod-iot{grid-column:1/-1;grid-template-columns:4fr 8fr;align-items:end;gap:40px}
  .prod-iot .prod-copy{padding-bottom:clamp(22px,3vw,36px);align-self:center}
  .prod-market{grid-column:1/-1;grid-template-columns:8fr 4fr;align-items:center}
  .prod-dev{grid-column:span 6}
  .prod-api{grid-column:span 8}
  .prod-vpn{grid-column:span 4;align-self:stretch}
}
@media (min-width:1200px){ .prod-api{grid-template-columns:5fr 7fr;align-items:center} }

/* ── Uygulamalar (sekmeler) ─────────────────────────────────────────────── */
.area-sec{background:var(--s1)}
.tabs{margin-top:40px}
.tab-list{display:flex;gap:0;border-bottom:1px solid var(--line-2);overflow-x:auto;scrollbar-width:none}
.tab-list::-webkit-scrollbar{display:none}
.tab-list button{flex:none;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;color:var(--muted);
  font:500 1rem/1.2 var(--font-b);padding:14px 18px 14px 0;margin-right:22px;cursor:pointer;min-height:48px}
.tab-list button span{color:var(--faint);font-size:.75rem;margin-right:4px}
.tab-list button[aria-selected="true"]{color:var(--text);border-bottom-color:var(--acc-fill)}
.tab-list button:hover{color:var(--text)}
.tab-pane{padding:32px 0 8px;border-bottom:1px solid var(--line)}
.tabs.is-tabs .tab-pane{border-bottom:0}
.tabs.is-tabs .tab-title{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.tab-title{font-size:1.4rem;margin-bottom:18px}
.ps{display:grid;gap:16px}
.ps>div{padding:20px 22px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg)}
.ps-k{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);margin-bottom:8px}
.ps-s{border-color:var(--acc-fill)!important}
.ps-s .ps-k{color:var(--acc)}
.ps p:not(.ps-k){font-size:1.125rem}
.tab-pane .tags{margin-top:18px}
@media (min-width:768px){ .ps{grid-template-columns:1fr 1fr} }

/* ── Sahadan ────────────────────────────────────────────────────────────── */
.field-grid{display:grid;gap:40px}
@media (min-width:1024px){ .field-grid{grid-template-columns:5fr 7fr;gap:72px} }
.sms-flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:28px;font-size:.75rem;color:var(--muted)}
.sms-flow span{border:1px solid var(--line-2);padding:6px 9px;border-radius:3px}
.sms-flow i{width:22px;height:1px;background:var(--acc-fill);position:relative}
.sms-flow i::after{content:"";position:absolute;right:-1px;top:-3px;border:3.5px solid transparent;border-left:5px solid var(--acc-fill);border-right:0}
.field-facts{border-top:1px solid var(--line-2)}
.field-facts div{display:grid;gap:6px;padding:20px 0;border-bottom:1px solid var(--line)}
.field-facts dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--acc)}
.field-facts dd{font-size:1.0625rem}
@media (min-width:640px){ .field-facts div{grid-template-columns:130px 1fr;gap:20px} }
.refs{margin-top:28px;padding-left:14px;border-left:2px solid var(--acc-fill);color:var(--muted);font-size:.9688rem;max-width:40ch}
.gal{margin-top:clamp(56px,8vw,96px)}
.gal-h{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);margin-bottom:8px}
.gal-group{border-top:1px solid var(--line-2);padding-top:18px;margin-top:28px}
.gal-g{font-size:.8125rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--text);margin-bottom:16px;
  display:flex;justify-content:space-between;align-items:baseline}
.gal-g span{color:var(--faint);font-size:.75rem}
.gallery{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:768px){ .gallery{grid-template-columns:repeat(3,minmax(0,1fr))} }
@media (min-width:1100px){ .gallery{grid-template-columns:repeat(4,minmax(0,1fr))} }
.gallery figure{margin:0}
.gallery .wide{grid-column:span 2}   /* yatay kare iki sütun: yüksekliği dikeylerle hizalanır */
.gallery img{width:100%;height:auto;border-radius:var(--r);border:1px solid var(--line);background:var(--s2)}
.gallery figcaption{font-size:.8125rem;line-height:1.45;color:var(--muted);margin-top:8px}
@media (max-width:479px){ .gallery figcaption{font-size:.75rem} }

/* ── Çalışma şekli (cetvel) ─────────────────────────────────────────────── */
.ruler{display:grid;gap:0;position:relative}
.ruler li{position:relative;padding:0 0 32px 36px;border-left:1px solid var(--line-2)}
.ruler li::before{content:"";position:absolute;left:-5px;top:4px;width:9px;height:9px;background:var(--bg);border:2px solid var(--acc-fill)}
.ruler-n{font-size:.75rem;color:var(--faint)}
.ruler h3{margin-top:4px;font-size:1.2rem}
.ruler p{color:var(--muted);margin-top:6px;font-size:.9688rem}
@media (min-width:900px){
  .ruler.ruler-3{grid-template-columns:repeat(3,1fr)}
  .ruler{grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line-2);
    background-image:repeating-linear-gradient(90deg,var(--line-2) 0 1px,transparent 1px 20%);background-size:100% 10px;background-repeat:no-repeat}
  .ruler li{border-left:0;padding:28px 20px 0 0}
  .ruler li::before{left:0;top:-5px}
}

/* ── İletişim ───────────────────────────────────────────────────────────── */
.contact-sec{background:var(--s1)}
.contact-grid{display:grid;gap:48px}
@media (min-width:1024px){ .contact-grid{grid-template-columns:5fr 7fr;gap:72px;align-items:start} }
.contact-copy h2{margin-top:14px}
.direct{margin-top:36px;border-top:1px solid var(--line)}
.direct div{display:grid;grid-template-columns:90px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.direct dt{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);padding-top:3px}
.direct dd{font-size:1.0625rem;font-weight:500}
.direct a{text-decoration:none} .direct a:hover{text-decoration:underline}
.form{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(20px,3vw,32px);display:grid;gap:18px}
.f-row{display:grid;gap:18px}
@media (min-width:640px){ .f-row{grid-template-columns:1fr 1fr} }
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:.9375rem;font-weight:500}
.field abbr{color:var(--acc);text-decoration:none}
.field input,.field select,.field textarea{width:100%;font:400 1rem/1.4 var(--font-b);color:var(--text);background:var(--s1);
  border:1px solid var(--line-2);border-radius:var(--r);padding:12px 14px;min-height:48px;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:132px}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
.field ::placeholder{color:var(--faint)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--acc-fill);box-shadow:0 0 0 3px var(--acc-soft)}
.field [aria-invalid="true"]{border-color:var(--crit-fill)}
.f-err{font-size:.875rem;color:var(--crit);min-height:0}
.f-err:empty{display:none}
.f-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.f-status{font-size:.9688rem}
.f-status.is-ok{color:var(--ok)} .f-status.is-err{color:var(--crit)}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.ftr{border-top:1px solid var(--line);padding-block:56px 32px;font-size:.9375rem}
.ftr-grid{display:grid;gap:36px}
@media (min-width:768px){ .ftr-grid{grid-template-columns:2fr 1.3fr 1fr 1fr} }
.ftr-brand .logo{width:116px}
.ftr-brand p{color:var(--muted);margin-top:14px;max-width:32ch}
.ftr-contact{font-size:.8125rem;line-height:1.9}
.ftr-contact a{text-decoration:none} .ftr-contact a:hover{text-decoration:underline}
.ftr-h{font:500 .75rem/1 var(--font-m);text-transform:uppercase;letter-spacing:.06em;color:var(--faint);margin-bottom:14px}
.ftr nav li{margin-top:2px}
.ftr nav a{color:var(--muted);text-decoration:none;display:inline-block;padding:6px 0}
.ftr nav a:hover{color:var(--text)}
.ftr-legal{margin-top:48px;padding-top:20px;border-top:1px solid var(--line);font-size:.8125rem;color:var(--faint);display:grid;gap:6px;position:relative}
.ftr-top{color:var(--muted);text-decoration:none;justify-self:start;margin-top:8px;padding:6px 0}
@media (min-width:768px){ .ftr-top{position:absolute;right:0;top:14px;margin:0} }

/* ── 404 ────────────────────────────────────────────────────────────────── */
.nf{padding-block:clamp(80px,14vw,180px);min-height:60vh}
.nf-code{color:var(--acc);font-size:.8125rem;letter-spacing:.06em}
.nf h1{font-size:clamp(2.4rem,1.6rem + 3vw,4rem);margin-top:16px}
.nf-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ── Hareket ────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .chain.is-live .bus-pulse{animation:none;opacity:0}
}
.cf-turnstile{margin:4px 0 14px;min-height:65px}