/* Motor Ön Teşhis — "atölye iş föyü" tasarım dili
   Kâğıt zemin, mürekkep yazı, tek vurgu: sinyal turuncusu. Keskin köşe, ince çizgi, numaralı bölüm. */

:root {
  --paper: #f3f0e8;
  --paper-2: #ebe6da;
  --card: #fbfaf6;
  --ink: #16181b;
  --ink-2: #33373d;
  --soft: #686d75;
  --rule: #d8d2c4;
  --signal: #df4a1c;
  --signal-dark: #b8390f;
  --hi: #b42318;  --hi-bg: #f8e0da;
  --mid: #b25b0b; --mid-bg: #f6e6cf;
  --lo: #6b7078;  --lo-bg: #e9e5dc;
  --ok: #3c6a37;  --ok-bg: #e2ecdc;
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 var(--f-body); }
a { color: inherit; text-decoration-color: var(--signal); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--signal-dark); }
img, svg, video { max-width: 100%; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--soft); }
.mono { font-family: var(--f-mono); }

h1, h2, h3 { font-family: var(--f-display); font-stretch: 82%; letter-spacing: -.01em; line-height: 1.08; margin: 0 0 .4em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 2.4vw, 2rem); font-weight: 750; }
h3 { font-size: 1.2rem; font-weight: 700; font-stretch: 88%; }
p { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--ink-2); max-width: 640px; }

.eyebrow { font: 600 .72rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .14em; color: var(--soft); }
.eyebrow.sig { color: var(--signal-dark); }

/* ---------- Üst bölüm ---------- */
.notice { background: var(--ink); color: #c9c6be; font: .74rem/1 var(--f-mono); letter-spacing: .06em; }
.notice .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 9px; padding-bottom: 9px; }
.notice b { color: #fff; font-weight: 600; }
.top { border-bottom: 2px solid var(--ink); background: var(--paper); position: sticky; top: 0; z-index: 20; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 68px; }
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand .w1 { font: 800 1.35rem/1 var(--f-display); font-stretch: 75%; letter-spacing: .02em; text-transform: uppercase; }
.brand .w2 { font: 600 .7rem/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--soft); padding-left: 10px; border-left: 1.5px solid var(--rule); }
.top nav { display: flex; gap: 2px; flex-wrap: wrap; }
.top nav a { text-decoration: none; padding: 8px 12px; font-weight: 500; font-size: .95rem; border-bottom: 2px solid transparent; margin-bottom: -2px; }
.top nav a.on { border-bottom-color: var(--signal); }
.top nav a:hover { color: var(--ink); background: var(--paper-2); }
.top nav a.cta { background: var(--ink); color: var(--paper); margin-left: 8px; }
.top nav a.cta:hover { background: var(--signal); color: #fff; }

/* ---------- Düğmeler ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; border: 2px solid var(--ink); background: var(--ink); color: var(--paper);
  padding: 13px 22px; font: 600 1rem/1 var(--f-body); text-decoration: none; cursor: pointer; border-radius: 0; transition: background .15s, border-color .15s; }
.btn:hover { background: var(--signal); border-color: var(--signal); color: #fff; }
.btn.sig { background: var(--signal); border-color: var(--signal); color: #fff; }
.btn.sig:hover { background: var(--signal-dark); border-color: var(--signal-dark); }
.btn.line { background: transparent; color: var(--ink); }
.btn.line:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn .arr { font-family: var(--f-mono); }
.btn.block { width: 100%; justify-content: center; }

/* ---------- Bölüm başlıkları ---------- */
.sec { padding: 64px 0; border-top: 1px solid var(--rule); }
.sec-h { display: grid; grid-template-columns: 64px 1fr; gap: 0 16px; align-items: baseline; margin-bottom: 28px; }
.sec-h .no { font: 600 .9rem/1 var(--f-mono); color: var(--signal-dark); padding-top: 6px; border-top: 2px solid var(--signal); }
.sec-h h2 { margin: 0; }
.sec-h p { grid-column: 2; margin: 10px 0 0; color: var(--ink-2); max-width: 720px; }

/* ---------- Ana sayfa ---------- */
.hero { padding: 56px 0 64px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: start; }
.hero h1 { margin-top: 14px; }
.hero h1 em { font-style: normal; color: var(--signal); }
.hero .acts { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 18px; }
.hero .fine { font-size: .88rem; color: var(--soft); max-width: 560px; border-left: 2px solid var(--rule); padding-left: 12px; }
.sheet { background: var(--card); border: 1.5px solid var(--ink); box-shadow: 8px 8px 0 var(--paper-2), 8px 8px 0 1.5px var(--ink); }
.sheet-h { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1.5px solid var(--ink); font: .74rem/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; }
.sheet-b { padding: 14px 16px 16px; }
.sheet .rows { list-style: none; margin: 10px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.sheet .rows li { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: baseline; padding: 8px 0; border-bottom: 1px solid var(--rule); font-size: .92rem; }
.sheet .rows .n { font: 700 1rem/1 var(--f-display); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ink); }
.steps > div { padding: 22px 24px 8px 0; border-right: 1px solid var(--rule); }
.steps > div + div { padding-left: 24px; }
.steps > div:last-child { border-right: 0; }
.steps .n { font: 800 2.6rem/1 var(--f-display); font-stretch: 75%; color: var(--signal); display: block; margin-bottom: 12px; }
.steps p { color: var(--ink-2); }

.figs { display: grid; grid-template-columns: repeat(4, 1fr); border: 1.5px solid var(--ink); background: var(--card); }
.figs > div { padding: 18px 20px; border-right: 1px solid var(--rule); }
.figs > div:last-child { border-right: 0; }
.figs b { display: block; font: 800 2.4rem/1 var(--f-display); font-stretch: 78%; }
.figs span { font-size: .9rem; color: var(--soft); }

.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { padding: 12px 0 12px 28px; border-bottom: 1px solid var(--rule); position: relative; }
.list li::before { content: "—"; position: absolute; left: 0; color: var(--signal); font-weight: 700; }
.list.no li::before { content: "×"; color: var(--soft); }

/* ---------- Tablolar ---------- */
.tbl { width: 100%; border-collapse: collapse; background: var(--card); border: 1.5px solid var(--ink); font-size: .95rem; }
.tbl th { text-align: left; font: 600 .7rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--soft);
  padding: 12px 14px; border-bottom: 1.5px solid var(--ink); background: var(--paper-2); }
.tbl td { padding: 11px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td.num { font-family: var(--f-mono); text-align: right; white-space: nowrap; }
.tbl-wrap { overflow-x: auto; }
.bar { height: 6px; background: var(--paper-2); min-width: 80px; }
.bar i { display: block; height: 100%; background: var(--ink); }

/* ---------- SSS ---------- */
.faq { border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; position: relative; font: 700 1.12rem/1.3 var(--f-display); font-stretch: 88%; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font: 400 1.6rem/1 var(--f-mono); color: var(--signal); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-2); max-width: 820px; }

/* ---------- Form ---------- */
.page-h { padding: 44px 0 28px; border-bottom: 2px solid var(--ink); }
.page-h h1 { margin: 10px 0 12px; }
.stepbar { display: flex; gap: 0; margin-top: 22px; border: 1.5px solid var(--ink); width: fit-content; max-width: 100%; overflow-x: auto; background: var(--card); }
.stepbar a { text-decoration: none; padding: 10px 16px; font: 600 .8rem/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; border-right: 1px solid var(--rule); white-space: nowrap; }
.stepbar a:last-child { border-right: 0; }
.stepbar a b { color: var(--signal-dark); margin-right: 6px; }

.formgrid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; padding: 36px 0 80px; align-items: start; }
.fs { border: 0; margin: 0 0 40px; padding: 0; min-width: 0; scroll-margin-top: 90px; }
.fs-h { display: flex; align-items: baseline; gap: 14px; border-bottom: 1.5px solid var(--ink); padding-bottom: 10px; margin-bottom: 20px; width: 100%; }
.fs-h .no { font: 600 .85rem/1 var(--f-mono); color: var(--signal-dark); }
.fs-h h2 { margin: 0; font-size: 1.5rem; }
.fs-h .r { margin-left: auto; font: .8rem/1 var(--f-mono); color: var(--soft); }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.fld { display: block; margin: 0 0 16px; }
.fld > span { display: block; font: 600 .72rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--ink-2); margin-bottom: 7px; }
.fld input:not([type=checkbox]):not([type=file]), .fld select, .fld textarea, .search input {
  width: 100%; padding: 12px 14px; font: 1rem/1.4 var(--f-body); color: var(--ink); background: var(--card);
  border: 1.5px solid var(--ink); border-radius: 0; outline: none; appearance: none; -webkit-appearance: none; }
.fld select { background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.fld select:disabled { opacity: .5; }
.fld input:focus, .fld select:focus, .fld textarea:focus, .search input:focus { box-shadow: 0 0 0 3px rgba(223, 74, 28, .25); border-color: var(--signal); }
.fld input[type=file] { font: .9rem var(--f-body); }
.hint { font-size: .86rem; color: var(--soft); }
.check { display: flex; gap: 10px; align-items: center; font-weight: 500; cursor: pointer; padding: 12px 0; }
.check input { width: 18px; height: 18px; accent-color: var(--signal); }
.enginfo { font: .82rem/1.5 var(--f-mono); color: var(--soft); min-height: 1.5em; margin-top: -6px; }

.symtools { display: flex; gap: 12px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.symtools input { flex: 1; min-width: 220px; padding: 11px 14px; border: 1.5px solid var(--ink); background: var(--card); font: 1rem var(--f-body); border-radius: 0; }
.symgroup { margin-bottom: 22px; }
.symgroup h3 { font: 600 .74rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--soft); margin: 0 0 10px; }
.chips { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 8px; }
.chip { position: relative; display: flex; gap: 10px; align-items: flex-start; padding: 11px 12px; background: var(--card);
  border: 1.5px solid var(--rule); cursor: pointer; font-size: .93rem; line-height: 1.35; transition: border-color .12s, background .12s; }
.chip:hover { border-color: var(--ink); }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip .bx { flex: 0 0 16px; height: 16px; margin-top: 1px; border: 1.5px solid var(--ink); background: var(--paper); position: relative; }
.chip input:checked ~ .bx { background: var(--signal); border-color: var(--signal); }
.chip input:checked ~ .bx::after { content: ""; position: absolute; left: 4px; top: 0; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.chip:has(input:checked) { border-color: var(--ink); background: #fff; box-shadow: 3px 3px 0 var(--ink); }
.chip input:focus-visible ~ .bx { outline: 3px solid rgba(223, 74, 28, .4); outline-offset: 2px; }
.chip.crit .t::after { content: " · acil"; font: 600 .7rem var(--f-mono); color: var(--hi); text-transform: uppercase; letter-spacing: .06em; }
.chip[hidden], .symgroup[hidden] { display: none; }

.summary { position: sticky; top: 92px; background: var(--card); border: 1.5px solid var(--ink); }
.summary .sh { padding: 12px 16px; border-bottom: 1.5px solid var(--ink); font: 600 .74rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .12em; display: flex; justify-content: space-between; }
.summary .sb { padding: 16px; }
.summary dl { margin: 0 0 14px; display: grid; grid-template-columns: 74px 1fr; gap: 6px 10px; font-size: .92rem; }
.summary dt { font: 600 .7rem/1.6 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--soft); }
.summary dd { margin: 0; font-weight: 500; }
.summary .picked { list-style: none; margin: 0 0 14px; padding: 0; max-height: 240px; overflow: auto; border-top: 1px solid var(--rule); }
.summary .picked li { padding: 7px 0; border-bottom: 1px solid var(--rule); font-size: .88rem; }
.summary .empty { color: var(--soft); font-size: .9rem; padding: 8px 0 14px; }
.summary .warn { display: none; background: var(--hi-bg); border-left: 3px solid var(--hi); padding: 10px 12px; font-size: .86rem; color: #7a1a12; margin-bottom: 14px; }
.summary .warn.on { display: block; }

/* ---------- Uyarı kutuları ---------- */
.alert { border: 1.5px solid var(--ink); border-left-width: 6px; background: var(--card); padding: 14px 18px; margin: 20px 0; }
.alert.danger { border-color: var(--hi); background: var(--hi-bg); color: #6f160f; }
.alert.danger strong { display: block; font: 800 1.15rem/1.2 var(--f-display); font-stretch: 85%; margin-bottom: 4px; }
.alert.ok { border-color: var(--ok); background: var(--ok-bg); }

/* ---------- Rapor (iş föyü) ---------- */
.job { margin: 36px 0 0; background: var(--card); border: 1.5px solid var(--ink); }
.job-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 20px; border-bottom: 1.5px solid var(--ink); background: var(--ink); color: var(--paper); }
.job-top .eyebrow { color: #d6d2c8; }
.job-top .no { font: 600 .9rem/1 var(--f-mono); letter-spacing: .08em; }
.job-main { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 22px 20px 6px; align-items: end; }
.job-main h1 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin: 6px 0 0; }
.job-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); border-top: 1px solid var(--rule); margin-top: 16px; }
.job-fields > div { padding: 12px 20px; border-right: 1px solid var(--rule); }
.job-fields > div:last-child { border-right: 0; }
.job-fields span { display: block; font: 600 .68rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--soft); margin-bottom: 4px; }
.job-fields b { font-weight: 600; }

.part { margin: 36px 0; }
.part-h { display: flex; align-items: baseline; gap: 14px; border-bottom: 1.5px solid var(--ink); padding-bottom: 10px; margin-bottom: 18px; }
.part-h .no { font: 600 .85rem/1 var(--f-mono); color: var(--signal-dark); }
.part-h h2 { margin: 0; font-size: 1.55rem; }
.part-h .r { margin-left: auto; font: .8rem/1 var(--f-mono); color: var(--soft); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.tags li { padding: 6px 10px; background: var(--card); border: 1px solid var(--ink); font-size: .88rem; }
.tags li.code { font: 600 .88rem var(--f-mono); background: var(--ink); color: var(--paper); }
.quote { border-left: 3px solid var(--signal); padding: 4px 0 4px 14px; margin: 16px 0 0; color: var(--ink-2); font-style: italic; }

.ai { background: var(--card); border: 1.5px solid var(--ink); padding: 18px 20px; }

.results { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.results > li { display: grid; grid-template-columns: 64px minmax(0, 1fr) 210px; gap: 0 22px; padding: 22px 0; border-bottom: 1px solid var(--rule); scroll-margin-top: 90px; }
.results > li:target, .results > li.hl { background: linear-gradient(90deg, rgba(223, 74, 28, .07), transparent 70%); }
.rank { font: 800 2.6rem/1 var(--f-display); font-stretch: 75%; color: var(--ink); }
.results li.lvl-hi .rank { color: var(--hi); }
.results li.lvl-mid .rank { color: var(--mid); }
.results li.lvl-lo .rank { color: var(--lo); }
.results h3 { font-size: 1.3rem; margin: 0 0 8px; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.b { font: 600 .7rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; padding: 6px 8px; border: 1px solid currentColor; }
.b.lvl-hi { color: var(--hi); background: var(--hi-bg); }
.b.lvl-mid { color: var(--mid); background: var(--mid-bg); }
.b.lvl-lo { color: var(--lo); background: var(--lo-bg); }
.b.spec { color: var(--ink); background: var(--paper-2); }
.b.sev3 { color: #fff; background: var(--hi); border-color: var(--hi); }
.b.sev2 { color: var(--mid); }
.b.sev1 { color: var(--ok); }
.why { margin: 10px 0; font-size: .88rem; }
.why .lbl { font: 600 .68rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--soft); margin-right: 6px; }
.why mark { background: transparent; border-bottom: 2px solid var(--signal); padding: 0 1px; color: var(--ink); }
.adv { background: var(--paper-2); border-left: 3px solid var(--ink); padding: 10px 14px; font-size: .95rem; margin: 10px 0 0; }
.adv b { font-family: var(--f-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; display: block; margin-bottom: 2px; }
.cost { border-left: 1px solid var(--rule); padding-left: 18px; }
.cost span { display: block; font: 600 .68rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--soft); margin-bottom: 6px; }
.cost b { font: 600 1.05rem/1.35 var(--f-mono); display: block; }
.cost .sys { margin-top: 14px; font-size: .88rem; color: var(--ink-2); }
.src { font-size: .78rem; color: var(--soft); margin-top: 10px; }
.src a { color: var(--soft); }

.known { list-style: none; padding: 0; margin: 0; counter-reset: k; }
.known li { counter-increment: k; padding: 14px 0 14px 44px; border-bottom: 1px solid var(--rule); position: relative; }
.known li::before { content: counter(k, decimal-leading-zero); position: absolute; left: 0; top: 15px; font: 600 .85rem var(--f-mono); color: var(--signal-dark); }

.media { display: flex; flex-wrap: wrap; gap: 16px; }
.media figure { margin: 0; max-width: 300px; border: 1.5px solid var(--ink); background: var(--card); }
.media img, .media video { display: block; max-width: 100%; }
.media audio { width: 280px; margin: 10px; }
.media figcaption { font: .75rem var(--f-mono); color: var(--soft); padding: 6px 10px; border-top: 1px solid var(--rule); }

.band { background: var(--ink); color: var(--paper); padding: 34px 28px; margin: 40px 0; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.band h2 { color: #fff; margin-bottom: 8px; }
.band p { color: #cfcbc2; margin: 0; max-width: 640px; }
.band .acts { display: flex; gap: 10px; flex-wrap: wrap; }
.band .btn.line { color: var(--paper); border-color: var(--paper); }
.band .btn.line:hover { background: var(--paper); color: var(--ink); }

/* ---------- Motor şeması ---------- */
.diagram-box { background: var(--card); border: 1.5px solid var(--ink); padding: 14px 16px 12px; }
.engine-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
svg.engine { width: 100%; height: auto; display: block; }
.engine .zone > * { fill: #f1eee6; stroke: #a7a9aa; stroke-width: 1.4; }
.engine .zone .inner, .engine .zone .fin, .engine .zone .oil { fill: none; stroke: #c3c1bb; stroke-width: 1.2; }
.engine .zone .piston { fill: #e6e2d8; }
.engine .zone .pipe, .engine .pipe.base { fill: none; stroke: #a7a9aa; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.engine .zone .belt { fill: none; stroke: #6b7078; stroke-width: 2.5; stroke-linejoin: round; }
.engine .zone .shaft { fill: none; stroke: #a7a9aa; stroke-width: 4; }
.engine .zone .gasket { fill: #6b7078; stroke: none; }
.engine .zone.on.lvl-hi > * { fill: var(--hi-bg); stroke: var(--hi); }
.engine .zone.on.lvl-mid > * { fill: var(--mid-bg); stroke: var(--mid); }
.engine .zone.on.lvl-lo > * { fill: var(--lo-bg); stroke: var(--lo); stroke-dasharray: 4 3; }
.engine .zone.on > .inner, .engine .zone.on > .fin, .engine .zone.on > .oil, .engine .zone.on > .pipe, .engine .zone.on > .belt, .engine .zone.on > .shaft { fill: none; }
.engine .zone.on.lvl-hi > .gasket { fill: var(--hi); }
.engine .zone.on.lvl-mid > .gasket { fill: var(--mid); }
.engine .zone.focus > * { stroke-width: 3; }
.engine .lbl { font: 11px var(--f-mono); fill: #8a8d92; paint-order: stroke; stroke: var(--card); stroke-width: 3px; stroke-linejoin: round; }
.engine .lbl.on { fill: var(--ink); font-weight: 600; }
.engine .mark circle { stroke: var(--card); stroke-width: 2; }
.engine .mark text { font: 700 12px var(--f-mono); fill: #fff; text-anchor: middle; }
.engine .mark.lvl-hi circle { fill: var(--hi); }
.engine .mark.lvl-mid circle { fill: var(--mid); }
.engine .mark.lvl-lo circle { fill: var(--lo); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; font-size: .82rem; margin: 10px 0 0; padding-top: 10px; border-top: 1px solid var(--rule); color: var(--ink-2); }
.legend .sw { display: inline-block; width: 13px; height: 13px; vertical-align: -2px; margin-right: 6px; border: 1.5px solid; }
.legend .sw.lvl-hi { background: var(--hi-bg); border-color: var(--hi); }
.legend .sw.lvl-mid { background: var(--mid-bg); border-color: var(--mid); }
.legend .sw.lvl-lo { background: var(--lo-bg); border-color: var(--lo); border-style: dashed; }
.legend .note { margin-left: auto; color: var(--soft); }

/* ---------- Kod sorgu ---------- */
.search { display: flex; gap: 0; max-width: 620px; margin: 22px 0 6px; }
.search input { font: 600 1.15rem var(--f-mono); letter-spacing: .04em; }
.search .btn { flex: 0 0 auto; }
.anat { display: grid; grid-template-columns: repeat(4, auto) 1fr; border: 1.5px solid var(--ink); background: var(--card); margin: 18px 0 8px; }
.anat > div { padding: 12px 18px; border-right: 1px solid var(--rule); }
.anat > div:last-child { border-right: 0; }
.anat .ch { font: 700 2.4rem/1 var(--f-mono); }
.anat .ch.sig { color: var(--signal); }
.anat span { display: block; font: 600 .66rem/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--soft); margin-top: 8px; }
.codecard { background: var(--card); border: 1.5px solid var(--ink); padding: 22px 22px 8px; margin: 22px 0; }
.codecard h2 .c { font-family: var(--f-mono); background: var(--ink); color: var(--paper); padding: 2px 10px; margin-right: 10px; font-size: .85em; }
.popular { display: flex; flex-wrap: wrap; gap: 8px; }
.popular a { font: 600 .9rem var(--f-mono); text-decoration: none; padding: 8px 12px; border: 1.5px solid var(--ink); background: var(--card); }
.popular a:hover { background: var(--ink); color: var(--paper); }
.popular a small { font: 400 .78rem var(--f-body); color: var(--soft); margin-left: 6px; }
.popular a:hover small { color: #cfcbc2; }

/* ---------- Alt bölüm ---------- */
.foot { background: var(--ink); color: #bdb9b0; margin-top: 80px; }
.foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-top: 48px; padding-bottom: 36px; }
.foot h4 { font: 600 .72rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .14em; color: #fff; margin: 0 0 14px; }
.foot p { font-size: .9rem; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { padding: 4px 0; }
.foot a { color: #e8e5de; text-decoration: none; }
.foot a:hover { color: var(--signal); }
.foot .word { font: 800 2.2rem/1 var(--f-display); font-stretch: 75%; text-transform: uppercase; color: #fff; margin-bottom: 12px; }
.foot .bot { border-top: 1px solid #33373d; }
.foot .bot .wrap { display: flex; justify-content: space-between; padding-top: 16px; padding-bottom: 18px; font: .74rem var(--f-mono); color: #8a877f; }

/* ---------- Duyarlı ---------- */
@media (max-width: 980px) {
  .hero .wrap, .formgrid, .cols2 { grid-template-columns: minmax(0, 1fr); }
  .summary { position: static; }
  .figs { grid-template-columns: repeat(2, 1fr); }
  .figs > div:nth-child(2) { border-right: 0; }
  .figs > div:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .results > li { grid-template-columns: 48px minmax(0, 1fr); }
  .cost { grid-column: 2; border-left: 0; padding-left: 0; margin-top: 12px; display: flex; gap: 24px; flex-wrap: wrap; }
  .cost .sys { margin-top: 0; }
  .foot .wrap { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .notice .wrap span:last-child { display: none; }
  .top .wrap { flex-direction: column; align-items: flex-start; gap: 6px; padding-top: 12px; padding-bottom: 6px; }
  .top { position: static; }
  .top nav { width: 100%; overflow-x: auto; flex-wrap: nowrap; }
  .top nav a { white-space: nowrap; padding: 8px 10px; }
  .brand .w2 { display: none; }
  .steps { grid-template-columns: 1fr; }
  .steps > div, .steps > div + div { padding: 18px 0 4px; border-right: 0; border-bottom: 1px solid var(--rule); }
  .sec { padding: 44px 0; }
  .sec-h { grid-template-columns: 1fr; }
  .sec-h .no { width: 48px; margin-bottom: 10px; }
  .sec-h p { grid-column: 1; }
  .job-main { grid-template-columns: 1fr; }
  .job-fields > div { border-bottom: 1px solid var(--rule); }
  .band { grid-template-columns: 1fr; }
  .anat { grid-template-columns: repeat(4, 1fr); }
  .anat > div:last-child { grid-column: 1 / -1; border-top: 1px solid var(--rule); }
  svg.engine { min-width: 640px; }
  .engine-wrap::after { content: "Şemayı yana kaydırabilirsiniz"; display: block; font: .75rem var(--f-mono); color: var(--soft); margin-top: 6px; }
  .legend .note { margin-left: 0; }
  .chips { grid-template-columns: 1fr; }
  .search { flex-direction: column; gap: 8px; }
  .foot .bot .wrap { flex-direction: column; gap: 6px; }
}
@media print {
  .notice, .top, .foot, .band, .no-print, .summary { display: none !important; }
  body { background: #fff; }
  .job, .diagram-box, .ai { border-color: #000; }
  .results > li { break-inside: avoid; }
}
.sec { scroll-margin-top: 70px; }
.tbl th.num { text-align: right; }