/* cnc.tc: makine atölyesi paleti. Pirinç vurgu, alüminyum zemin, çelik metin.
   Dış yazı tipi yüklenmez; Windows'ta Bahnschrift (DIN), diğerlerinde sistem yazı tipi kullanılır. */

:root {
    --steel: #1f2d33;
    --steel-soft: #4d5d65;
    --aluminum: #e3e7e6;
    --aluminum-light: #f3f5f4;
    --line: #c3cbca;
    --brass: #a97f12;
    --brass-deep: #7a5a06;
    --brass-pale: #e9d9a4;
    --white: #ffffff;
    --error: #a3271c;
    --head: "Bahnschrift SemiCondensed", Bahnschrift, "Roboto Condensed", "DejaVu Sans Condensed", "Arial Narrow", Arial, sans-serif;
    --body: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--white); color: var(--steel); font: 400 1.0625rem/1.6 var(--body); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brass-deep); text-underline-offset: .15em; }
a:hover { color: var(--steel); }
:focus-visible { outline: 3px solid var(--brass); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--head); font-weight: 600; line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.005em; }
h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--white); padding: 8px 12px; z-index: 10; }

.top { background: var(--steel); color: var(--white); }
.top-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; min-height: 68px; gap: 8px 24px; }
.brand { color: var(--white); text-decoration: none; display: flex; align-items: baseline; gap: 12px; }
.brand:hover { color: var(--white); }
.brand strong { font: 600 1.7rem/1 var(--head); color: var(--brass-pale); }
.brand span { font-size: .9rem; color: var(--aluminum); }
.nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 20px; }
.nav a:not(.btn), .link-btn { color: var(--white); text-decoration: none; font-size: 1rem; }
.nav a:not(.btn):hover, .link-btn:hover { color: var(--brass-pale); text-decoration: underline; }
.menu-toggle { position: absolute; opacity: 0; width: 1px; height: 1px; }
.menu-label { display: none; }

.btn { display: inline-block; background: var(--brass-deep); color: var(--white); border: 2px solid var(--brass-deep); padding: .6em 1.25em; font: 600 1.0625rem/1.3 var(--body); text-decoration: none; cursor: pointer; border-radius: 3px; }
.btn:hover { background: var(--steel); border-color: var(--steel); color: var(--white); }
.btn-quiet { background: transparent; color: var(--steel); border-color: var(--steel); }
.btn-small { padding: .35em .9em; font-size: .975rem; }
.top .btn:hover { background: var(--white); border-color: var(--white); color: var(--steel); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5em; }
.lead { font-size: 1.2rem; max-width: 34em; }

.hero { background: var(--aluminum); }
.hero-grid { display: grid; grid-template-columns: 5fr 6fr; gap: 32px; align-items: center; padding-top: 56px; padding-bottom: 40px; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1.02; }
.drawing { margin: 0; }
.drawing svg { width: 100%; height: auto; display: block; }
.ln-thin { stroke: var(--steel-soft); stroke-width: .9; fill: none; }
.ln-main { stroke: var(--steel); stroke-width: 2; fill: none; stroke-linejoin: miter; }
.ln-dim { stroke: var(--steel); stroke-width: 1.1; fill: none; }
.ln-center { stroke: var(--steel-soft); stroke-width: 1; stroke-dasharray: 22 5 3 5; }
.brass { fill: var(--brass-pale); stroke: var(--steel); stroke-width: 2; stroke-linejoin: miter; }
.arrow { fill: var(--steel); }
.dim { font: 400 15px var(--body); fill: var(--steel); }
.dim-big { font: 600 25px var(--head); fill: var(--brass-deep); }

.band { background: var(--steel); color: var(--white); padding: 40px 0; }
.work { display: grid; grid-template-columns: 1fr 3fr; gap: 24px 40px; }
.work h2 { color: var(--brass-pale); margin: 0; }
.work-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 32px; margin: 0; }
.work-list dt { font: 600 1.3rem/1.2 var(--head); margin-bottom: .25em; }
.work-list dd { margin: 0; color: var(--aluminum); }

.section { padding: 56px 0; }
.section-alt { background: var(--aluminum-light); }
.cta { background: var(--brass-pale); padding: 36px 0; }
.cta-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.cta h2 { margin: 0; }
.cta .btn:hover { background: var(--steel); }

.parts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px 20px; }
.parts a { display: block; text-decoration: none; color: var(--steel); }
.parts a:hover .part-name { color: var(--brass-deep); text-decoration: underline; }
.part-img { display: flex; align-items: center; justify-content: center; aspect-ratio: 1; background: var(--white); border: 1px solid var(--line); padding: 10px; }
.part-img img { max-height: 100%; object-fit: contain; }
.part-name { display: block; margin-top: .5em; font-weight: 600; line-height: 1.3; }

.groups { list-style: none; margin: 0; padding: 0; column-count: 3; column-gap: 32px; }
.groups li { break-inside: avoid; border-bottom: 1px solid var(--line); }
.groups a { display: flex; justify-content: space-between; gap: 12px; padding: .55em 0; color: var(--steel); text-decoration: none; font-weight: 600; }
.groups a:hover { color: var(--brass-deep); }
.groups span { color: var(--steel-soft); font-weight: 400; }

.page { padding-top: 40px; padding-bottom: 64px; }
.page.narrow { max-width: 808px; }
.crumbs { font-size: .95rem; margin-bottom: .8em; display: flex; gap: 8px; flex-wrap: wrap; color: var(--steel-soft); }
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.product-img { border: 1px solid var(--line); padding: 16px; display: flex; justify-content: center; }
.related { margin-top: 56px; }
.prose { max-width: 42em; }
.prose img { margin: 1em 0; }
.prose h2, .prose h3 { margin-top: 1.2em; }
.prose table { border-collapse: collapse; }
.prose td, .prose th { border: 1px solid var(--line); padding: 4px 10px; }
.article-img { margin-bottom: 1.5em; }
.articles { list-style: none; margin: 0; padding: 0; }
.articles li { padding: 1em 0; border-bottom: 1px solid var(--line); }
.articles strong { font: 600 1.4rem var(--head); }
.articles p { margin: .3em 0 0; }
.pager { display: flex; gap: 8px; margin-top: 32px; }
.pager a, .pager span { padding: .25em .75em; border: 1px solid var(--line); text-decoration: none; }
.pager span { background: var(--steel); color: var(--white); border-color: var(--steel); }

.form { max-width: 760px; }
.field { margin-bottom: 18px; flex: 1; min-width: 0; }
.field-row { display: flex; gap: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 4px; }
.field small { display: block; margin-top: 4px; color: var(--steel-soft); font-size: .92rem; }
input:not([type=checkbox]):not([type=file]), select, textarea { width: 100%; font: inherit; padding: .5em .65em; border: 1px solid var(--steel-soft); border-radius: 3px; background: var(--white); color: var(--steel); }
textarea.code { font-family: Consolas, Menlo, monospace; font-size: .92rem; }
.check label { font-weight: 400; display: flex; gap: 10px; align-items: flex-start; }
.check input { margin-top: .4em; }
.error, .errors { color: var(--error); font-size: .95rem; }
.error { display: block; margin-top: 3px; }
.errors ul { margin: 0 0 1em; padding-left: 1.2em; }
.errors.validation-summary-valid { display: none; }
.hp { position: absolute; left: -9999px; }
.notice { background: var(--brass-pale); padding: .6em .9em; border-radius: 3px; }
.search { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: end; margin-bottom: 32px; max-width: 620px; }
.search label { width: 100%; font-weight: 600; }
.search input { flex: 1; width: auto; min-width: 200px; }
.contact { display: grid; grid-template-columns: 3fr 2fr; gap: 40px; }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 8px 24px; margin: 0 0 24px; }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.side-box { background: var(--aluminum-light); padding: 24px; }
.after { margin: 1em 0 0; }

.foot { background: var(--steel); color: var(--aluminum); padding: 40px 0; font-size: .98rem; }
.foot a { color: var(--brass-pale); }
.foot strong { color: var(--white); display: block; margin-bottom: .3em; }
.foot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 40px; }
.foot p { margin: 0; }

/* yönetim */
.admin-main { padding-top: 28px; padding-bottom: 64px; }
.admin h1 { font-size: 2rem; }
.admin h2 { font-size: 1.4rem; margin-top: 1.4em; }
.nav-admin { gap: 4px 18px; }
.inline { display: inline; margin: 0; }
.link-btn { background: none; border: 0; padding: 0; font-family: inherit; cursor: pointer; }
.head-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 8px; }
.head-row h1 { margin: 0; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .98rem; }
th { text-align: left; border-bottom: 2px solid var(--steel); padding: 6px 12px 6px 0; white-space: nowrap; }
td { border-bottom: 1px solid var(--line); padding: 7px 12px 7px 0; vertical-align: top; }
.stats { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 16px; }
.stats a { display: block; padding: 14px 18px; background: var(--aluminum-light); color: var(--steel); text-decoration: none; min-width: 190px; }
.stats strong { display: block; font: 600 2rem/1.1 var(--head); }
.thumb { max-width: 180px; border: 1px solid var(--line); margin-bottom: 10px; padding: 4px; }
.pre { white-space: pre-wrap; max-width: 42em; }
.form-inline { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 1.5em; }
.form-inline select { width: auto; }

@media (max-width: 860px) {
    .hero-grid, .product, .contact { grid-template-columns: 1fr; }
    .hero-grid { padding-top: 36px; }
    .work { grid-template-columns: 1fr; }
    .work-list { grid-template-columns: 1fr; gap: 14px; }
    .groups { column-count: 2; }
    .foot-grid { grid-template-columns: 1fr; }
    .menu-label { display: block; padding: 6px 12px; border: 1px solid var(--aluminum); border-radius: 3px; cursor: pointer; }
    .menu-toggle:focus-visible + .menu-label { outline: 3px solid var(--brass); outline-offset: 2px; }
    .top-row > .nav:not(.nav-admin) { display: none; width: 100%; flex-direction: column; align-items: flex-start; padding: 8px 0 16px; gap: 10px; }
    .menu-toggle:checked ~ .nav { display: flex; }
}
@media (max-width: 560px) {
    .wrap { padding-left: 16px; padding-right: 16px; }
    .field-row { flex-direction: column; gap: 0; }
    .groups { column-count: 1; }
    .parts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .brand span { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* paylaşım */
.share { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin-top: 1.5em; padding-top: 1em; border-top: 1px solid var(--line); font-size: .98rem; }
.share span { font-weight: 600; }
.share-copy { color: var(--brass-deep); text-decoration: underline; text-underline-offset: .15em; font-size: inherit; }
.share-copy:hover { color: var(--steel); }
.foot-social { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: .6em !important; }

/* istatistik */
.range { display: flex; flex-wrap: wrap; gap: 6px; }
.range a, .range span { padding: .25em .75em; border: 1px solid var(--line); text-decoration: none; border-radius: 3px; }
.range span { background: var(--steel); border-color: var(--steel); color: var(--white); }
.stats > li > div { padding: 14px 18px; background: var(--aluminum-light); min-width: 190px; height: 100%; }
.stats-empty { margin-top: 1.5em; }
.chart { max-width: 1000px; }
.chart svg { display: block; width: 100%; height: auto; }
.chart-bar { fill: var(--brass-deep); }
.chart-mark:hover .chart-bar { fill: var(--steel); }
.chart-grid { stroke: var(--line); stroke-width: 1; stroke-dasharray: 3 4; }
.chart-base { stroke: var(--steel-soft); stroke-width: 1; }
.chart-label { font: 400 15px var(--body); fill: var(--steel-soft); }
.chart-table { margin: .75em 0 0; max-width: 520px; }
.chart-table summary { cursor: pointer; color: var(--brass-deep); text-decoration: underline; text-underline-offset: .15em; }
.num { text-align: right; padding-right: 16px; white-space: nowrap; }
.source-list { list-style: none; margin: 0; padding: 0; max-width: 760px; }
.source-list li { display: grid; grid-template-columns: 130px 1fr 112px; gap: 12px; align-items: center; padding: 5px 0; }
.source-name { font-weight: 600; }
.source-track { display: block; height: 10px; background: var(--aluminum-light); border-radius: 0 4px 4px 0; }
.source-bar { display: block; height: 100%; min-width: 2px; background: var(--brass-deep); border-radius: 0 4px 4px 0; }
.source-value { color: var(--steel-soft); white-space: nowrap; text-align: right; }
.list-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; }
.muted-note { color: var(--steel-soft); font-size: .92rem; margin-top: 1.5em; max-width: 46em; }
.admin .search { margin-bottom: 12px; }
@media (max-width: 560px) {
    .source-list li { grid-template-columns: 1fr auto; }
    .source-track { grid-column: 1 / -1; grid-row: 2; }
}

/* teklif yanıtı */
.quote-actions { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 1.2em; }
.reply-box { max-width: 760px; margin-top: 2em; padding: 20px; background: var(--aluminum-light); }
.reply-box h2 { margin-top: 0; }
.reply-box .form { max-width: none; }
.reply-history { list-style: none; margin: 0; padding: 0; max-width: 760px; }
.reply-history li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.reply-meta { color: var(--steel-soft); font-size: .92rem; display: block; margin-bottom: 4px; }
.reply-history .pre { margin-bottom: .4em; }

/* ayarlar */
.settings { border: 0; border-top: 2px solid var(--steel); padding: 16px 0 8px; margin: 0 0 20px; }
.settings legend { font: 600 1.4rem var(--head); padding-right: 12px; }
.settings-help { color: var(--steel-soft); font-size: .95rem; }
.settings-port { flex: 0 0 110px; }
.settings-test { max-width: 760px; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); }

/* açılır menü */
.nav-group { position: relative; }
.nav-group summary { cursor: pointer; color: var(--white); list-style: none; display: flex; align-items: center; gap: 6px; }
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after { content: ""; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; }
.nav-group[open] summary::after { transform: rotate(180deg); }
.nav-group summary:hover { color: var(--brass-pale); }
.nav-menu { position: absolute; top: calc(100% + 12px); left: -14px; z-index: 20; min-width: 230px; background: var(--steel); padding: 6px 0; border-radius: 0 0 3px 3px; box-shadow: 0 6px 14px rgba(31, 45, 51, .3); }
.nav-menu a { display: block; padding: 8px 14px; line-height: 1.3; }
.nav-menu a:hover { background: rgba(255, 255, 255, .08); }
@media (max-width: 860px) {
    .nav-group { width: 100%; }
    .nav-menu { position: static; min-width: 0; box-shadow: none; padding: 4px 0 0 12px; }
    .nav-menu a { padding: 6px 0; }
}

/* metin editörü */
.editor { border: 1px solid var(--steel-soft); border-radius: 3px; background: var(--white); }
.editor-bar { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; padding: 6px; background: var(--aluminum-light); border-bottom: 1px solid var(--line); border-radius: 3px 3px 0 0; }
.editor-bar button, .field .editor-bar select { width: auto; font: 400 .92rem var(--body); padding: 3px 9px; border: 1px solid var(--line); border-radius: 3px; background: var(--white); color: var(--steel); cursor: pointer; }
.editor-bar button:hover:not(:disabled) { border-color: var(--steel); }
.editor-bar button:disabled, .editor-bar select:disabled { opacity: .45; cursor: default; }
.editor-bar button[aria-pressed="true"] { background: var(--steel); color: var(--white); border-color: var(--steel); }
.editor-status { font-size: .9rem; color: var(--error); margin-left: 6px; }
.editor-area { max-width: none; min-height: 280px; padding: 12px 14px; overflow-x: auto; }
.editor-area:focus { outline: 2px solid var(--brass); outline-offset: -2px; }
.editor-area[hidden], .editor textarea[hidden] { display: none; }
.editor textarea { border: 0; display: block; }
.editor-area img { max-width: 100%; }