/* Layout: teknik resim sayfası. Üstte ana mesaj ve bobinden prese hat şeması, sonra ürün (pres besleme hattı), destekleyen mühendislik hizmetleri, süreç, iletişim ve resim kütüğü şeklinde künye. */
:root {
  --bg: #EEF2F4;
  --surface: #F8FAFB;
  --ink: #0F2233;
  --muted: #536372;
  --line: #C5CFD6;
  --accent: #C2410C;
  --accent-ink: #FFFFFF;
  --blue: #1F5A8C;
  --font-display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0B1620; --surface: #111F2B; --ink: #E7EEF3; --muted: #9AABB9;
    --line: #25384A; --accent: #FF7A3D; --accent-ink: #0B1620; --blue: #6FB0E6;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0B1620; --surface: #111F2B; --ink: #E7EEF3; --muted: #9AABB9;
  --line: #25384A; --accent: #FF7A3D; --accent-ink: #0B1620; --blue: #6FB0E6;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap {
  max-width: 1120px;
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* Üst bar */
.top { border-bottom: 1px solid var(--line); }
.top .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px 24px; padding-block: 16px;
}
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand b {
  font-family: var(--font-display); font-weight: 700; font-size: 30px;
  letter-spacing: 0.06em; line-height: 1;
}
.brand span {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
}
nav { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 15px; }
nav a { text-decoration: none; color: var(--muted); padding-block: 4px; }
nav a:hover { color: var(--ink); }

/* Hero */
.hero .wrap { padding-block: 56px 48px; }
.hero-text { max-width: 760px; margin-bottom: 36px; }
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blue); margin: 0 0 16px;
}
h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(44px, 7vw, 80px); line-height: 0.98; letter-spacing: 0.01em;
  margin: 0 0 20px; text-wrap: balance; text-transform: uppercase;
}
h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: 18px; color: var(--muted); max-width: 58ch; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: 15px;
  padding: 12px 20px; border: 1.5px solid var(--ink); border-radius: 2px;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost:hover { background: var(--surface); }

.schematic {
  background: var(--surface); border: 1px solid var(--line); padding: 14px 14px 10px;
  min-width: 0; margin: 0;
}
.schematic svg { display: block; width: 100%; height: auto; max-width: 100%; }
.schematic figcaption {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  letter-spacing: 0.04em; padding-top: 8px; border-top: 1px dashed var(--line); margin-top: 6px;
}
.s-line { stroke: var(--ink); stroke-width: 1.6; fill: none; stroke-linejoin: round; }
.s-press { stroke: var(--accent); stroke-width: 2.6; fill: none; stroke-linejoin: round; }
.s-fill { fill: var(--surface); stroke: var(--ink); stroke-width: 1.6; }
.s-solid { fill: var(--ink); }
.s-text { font-family: var(--font-mono); font-size: 11px; fill: var(--muted); }
.s-text.acc { fill: var(--accent); font-weight: 500; }

/* Bölümler */
section { border-top: 1px solid var(--line); }
section > .wrap { padding-block: 56px; }
h2 {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1.05; letter-spacing: 0.02em; text-transform: uppercase;
  margin: 0 0 8px; text-wrap: balance;
}
.sub { color: var(--muted); margin: 0 0 32px; max-width: 62ch; }
.kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 10px;
}

/* Akış adımları */
.steps {
  list-style: none; margin: 0; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0;
  border: 1px solid var(--line); background: var(--surface);
}
.steps li { padding: 22px 20px 24px; border-right: 1px solid var(--line); min-width: 0; }
.steps li:last-child { border-right: 0; }
.steps .n { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.08em; }
.steps h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 24px; letter-spacing: 0.02em;
  text-transform: uppercase; margin: 6px 0 8px; line-height: 1.1;
}
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

/* Fotoğraflar */
.photo { margin: 0; min-width: 0; }
.photo img { display: block; width: 100%; height: auto; border: 1px solid var(--line); background: #fff; }
.photo figcaption {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--muted);
  letter-spacing: 0.04em; padding-top: 8px;
}
.photo-main { margin-bottom: 20px; }
.photo-main img { aspect-ratio: 3 / 2; object-fit: contain; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: 32px; }
.gallery img { aspect-ratio: 4 / 3; object-fit: cover; }

/* Satış ve hizmet kutuları */
.offer {
  list-style: none; margin: 32px 0 0; padding: 0; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0 40px;
  border-top: 1.5px solid var(--ink);
}
.offer li { padding-block: 18px; border-bottom: 1px solid var(--line); min-width: 0; }
.offer h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: 0.02em;
  text-transform: uppercase; margin: 0 0 4px; line-height: 1.1;
}
.offer p { margin: 0; color: var(--muted); font-size: 15px; }

/* Hizmet satırları */
.svc { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--ink); }
.svc li {
  display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr) minmax(0, 0.9fr);
  gap: 6px 32px; padding-block: 22px; border-bottom: 1px solid var(--line); align-items: baseline;
}
.svc h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 26px; line-height: 1.1;
  letter-spacing: 0.02em; margin: 0; text-transform: uppercase;
}
.svc p { margin: 0; color: var(--muted); min-width: 0; }
.tag {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--blue);
  letter-spacing: 0.03em; justify-self: end; text-align: right;
}
.svc-fig { max-width: 620px; margin: 0 0 32px; }

/* İletişim */
.contact-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px 40px;
}
.contact-grid dt {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 4px;
}
.contact-grid dd { margin: 0; font-size: 18px; overflow-wrap: anywhere; user-select: all; }
.contact-grid dd a { text-decoration: none; border-bottom: 1.5px solid var(--accent); }
.note {
  margin-top: 32px; font-size: 14px; color: var(--muted);
  border-left: 3px solid var(--accent); padding-left: 14px; max-width: 70ch;
}

/* Resim kütüğü */
footer { border-top: 1.5px solid var(--ink); }
footer .wrap { padding-block: 32px 40px; }
.block {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border: 1.5px solid var(--ink); background: var(--surface);
}
.block div { padding: 10px 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.block small {
  display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted);
}
.block span { font-family: var(--font-mono); font-size: 14px; overflow-wrap: anywhere; }
.legal { margin: 14px 0 0; font-size: 13px; color: var(--muted); }

@media (max-width: 860px) {
  .hero .wrap { padding-block: 40px 40px; }
  .svc li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .tag { justify-self: start; text-align: left; margin-top: 4px; }
  .steps li { border-right: 0; border-bottom: 1px solid var(--line); }
  .steps li:last-child { border-bottom: 0; }
  section > .wrap { padding-block: 40px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ===== E-Kütüphane ===== */
.nav-active { color: var(--ink); border-bottom: 1.5px solid var(--accent); }
.page-head .wrap { padding-block: 48px 36px; }
.page-head h1 { font-size: clamp(34px, 6vw, 64px); margin-bottom: 14px; overflow-wrap: anywhere; hyphens: auto; }
.crumbs { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 18px; }
.crumbs a { text-decoration: none; border-bottom: 1px solid var(--line); }
.crumbs a:hover { color: var(--ink); }

.lib-tools { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; margin-bottom: 8px; }
.lib-search {
  flex: 1 1 260px; max-width: 420px; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--surface); border: 1.5px solid var(--ink); border-radius: 2px; padding: 11px 14px;
}
.lib-search::placeholder { color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: inherit; font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em;
  background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 2px;
  padding: 7px 12px; cursor: pointer;
}
.chip:hover { color: var(--ink); border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.lib-count { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin: 14px 0 0; }

.docs { list-style: none; margin: 18px 0 0; padding: 0; border-top: 1.5px solid var(--ink); }
.docs li { border-bottom: 1px solid var(--line); }
.docs a {
  display: grid; grid-template-columns: 86px minmax(0, 1fr) auto; gap: 6px 28px;
  padding-block: 24px; text-decoration: none; align-items: baseline;
}
.docs a:hover h3 { color: var(--accent); }
.docs .no { font-family: var(--font-mono); font-size: 13px; color: var(--accent); letter-spacing: 0.06em; }
.docs h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 28px; line-height: 1.1;
  letter-spacing: 0.02em; margin: 0 0 6px; text-transform: uppercase;
}
.docs p { margin: 0; color: var(--muted); max-width: 66ch; }
.docs .meta { font-family: var(--font-mono); font-size: 12.5px; color: var(--blue); text-align: right; white-space: nowrap; }
.docs .meta i { display: block; font-style: normal; color: var(--muted); margin-top: 4px; }
.lib-empty { padding: 28px 0; color: var(--muted); }

.teaser-more { margin-top: 28px; }

/* Makale */
.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 56px; align-items: start; }
.article { min-width: 0; max-width: 740px; }
.article .sub { margin-bottom: 0; }
.article-meta {
  display: flex; flex-wrap: wrap; gap: 6px 22px; font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.06em; color: var(--muted); margin: 20px 0 0;
}
.article h2 { font-size: clamp(26px, 3.4vw, 34px); margin: 48px 0 12px; }
.article h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: 0.02em;
  text-transform: uppercase; margin: 28px 0 6px;
}
.article p, .article li { max-width: 68ch; }
.article ul, .article ol { padding-left: 22px; }
.article li { margin-bottom: 6px; }
.article .lead { max-width: 62ch; }
.formula {
  font-family: var(--font-mono); font-size: 15px; background: var(--surface);
  border: 1px solid var(--line); border-left: 3px solid var(--accent);
  padding: 14px 18px; margin: 18px 0; overflow-x: auto; line-height: 1.8;
}
.formula small { display: block; color: var(--muted); font-size: 12.5px; line-height: 1.5; margin-top: 6px; }
.callout {
  border: 1px solid var(--line); border-left: 3px solid var(--blue); background: var(--surface);
  padding: 14px 18px; margin: 24px 0; font-size: 15px;
}
.callout.warn { border-left-color: var(--accent); }
.callout b { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; display: block; margin-bottom: 4px; }
.tbl-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--line); background: var(--surface); }
.tbl { border-collapse: collapse; width: 100%; font-size: 14.5px; min-width: 420px; }
.tbl th, .tbl td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td.num, .tbl th.num { text-align: right; font-family: var(--font-mono); }

.toc { position: sticky; top: 24px; border-left: 1.5px solid var(--ink); padding-left: 18px; font-size: 14px; }
.toc b { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 10px; }
.toc a { display: block; text-decoration: none; color: var(--muted); padding-block: 5px; line-height: 1.35; }
.toc a:hover { color: var(--ink); }

/* Hesap aracı */
.calc { background: var(--surface); border: 1.5px solid var(--ink); margin: 26px 0; }
.calc-head { padding: 12px 18px; border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.calc form { padding: 18px; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px 18px; }
.calc label { display: block; font-size: 13px; color: var(--muted); }
.calc label span { display: block; margin-bottom: 4px; }
.calc input, .calc select {
  width: 100%; font: inherit; font-family: var(--font-mono); font-size: 16px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 2px; padding: 8px 10px;
}
.calc input:focus, .calc select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.calc-out { border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.calc-out div { padding: 14px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.calc-out small { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.calc-out output { font-family: var(--font-mono); font-size: 22px; font-weight: 500; overflow-wrap: anywhere; }
.calc-out output.hot { color: var(--accent); }
.calc-note { padding: 10px 18px 14px; font-size: 13px; color: var(--muted); margin: 0; border-top: 1px solid var(--line); }

.article-foot { margin-top: 56px; padding-top: 24px; border-top: 1.5px solid var(--ink); }
.article-foot .note { margin-top: 0; }
.related { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 32px; border-top: 1px solid var(--line); }
.related li { padding-block: 14px; border-bottom: 1px solid var(--line); margin: 0; }
.related a { text-decoration: none; font-family: var(--font-display); font-weight: 600; font-size: 20px; text-transform: uppercase; letter-spacing: 0.02em; line-height: 1.15; display: block; }
.related a:hover { color: var(--accent); }
.related small { font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); }

@media (max-width: 960px) {
  .article-wrap { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .toc { display: none; }
}
@media (max-width: 860px) {
  .docs a { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .docs .meta { text-align: left; white-space: normal; }
  .docs .meta i { display: inline; margin-left: 10px; }
  .page-head .wrap { padding-block: 32px 24px; }
}
@media print {
  .top, .toc, .calc, .lib-tools, footer { display: none; }
  body { background: #fff; color: #000; }
}