@font-face{font-family:"IBM Plex Sans";src:url(fonts/plex-sans.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/plex-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/plex-mono-500.woff2) format("woff2");font-weight:500 700;font-display:swap}
@font-face{font-family:"Jost";src:url(fonts/jost.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Caveat";src:url(fonts/caveat.woff2) format("woff2");font-weight:500 600;font-display:swap}
/* sayfa içi eski satır içi stiller için takma ad: etiketler mono görünsün */
@font-face{font-family:"Barlow Condensed";src:url(fonts/plex-mono-500.woff2) format("woff2");font-weight:100 900;font-display:swap;size-adjust:88%}
@font-face{font-family:"Source Serif 4";src:url(fonts/plex-sans.woff2) format("woff2");font-weight:400 700;font-display:swap}
/* MURAT DALGIC - stil-v5.css · mühendis defteri */
:root {
  --lacivert:   #161616;
  --lacivert2:  #232323;
  --altin:      #F2B705;
  --altin2:     #FFC926;
  --beton:      #EDEBE5;
  --ink:        #141414;
  --ink-soft:   #4F4C46;
  --rule:       #CFCBC1;
  --membrane:   #1D3FA6;
  --membrane-dk:#1D3FA6;
  --marker:     #F2B705;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--beton);
  color: var(--ink);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .cond {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.1;
  margin: 0;
}

a { color: var(--membrane-dk); }
a:focus-visible, button:focus-visible,
input:focus-visible, select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--altin);
  outline-offset: 3px;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 28px; }
.prose { max-width: 62ch; }

/* TOPBAR */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--lacivert);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 14px;
  padding-bottom: 12px;
}

/* LOGO */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand .isaret { display: block; height: 56px; width: auto; }
.brand .ad { display: flex; flex-direction: column; line-height: 1; }
.brand .ad1 {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-weight: 700;
  font-size: 21px;
  letter-spacing: .14em;
  color: #fff;
}
.brand .ad2 {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-weight: 400;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--altin2);
  margin-top: 5px;
}

/* NAV */
nav.main {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}
nav.main a {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
  color: rgba(255,255,255,.78);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  letter-spacing: .04em;
}
nav.main a:hover { color: #fff; border-bottom-color: var(--altin2); }
nav.main a[aria-current="page"] { color: #fff; border-bottom-color: var(--altin); }

.nav-cta {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .06em;
  text-decoration: none;
  color: var(--lacivert);
  background: var(--altin);
  padding: 8px 18px;
  white-space: nowrap;
  border-bottom: none !important;
}
.nav-cta:hover { background: var(--altin2); color: var(--lacivert); }

/* DROPDOWN */
.menu-hiz { position: relative; display: flex; align-items: center; }
.hiz-btn {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .04em;
  background: none;
  border: none;
  padding: 0 0 2px;
  cursor: pointer;
  color: rgba(255,255,255,.78);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-bottom: 2px solid transparent;
}
.hiz-btn:hover { color: #fff; border-bottom-color: var(--altin2); }
.hiz-btn.acik-sayfa { color: #fff; border-bottom-color: var(--altin); }
.hiz-btn svg { transition: transform .15s ease; }
.hiz-btn[aria-expanded="true"] svg { transform: rotate(180deg); }

.hiz-panel {
  position: absolute;
  top: calc(100% + 14px);
  left: -14px;
  z-index: 80;
  background: var(--lacivert2);
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
  padding: 10px 6px;
  width: 500px;
  columns: 2;
  column-gap: 4px;
}
.hiz-panel[hidden] { display: none; }
.hiz-panel a {
  display: block;
  break-inside: avoid;
  text-decoration: none;
  color: rgba(255,255,255,.75);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 17px;
  padding: 8px 14px;
  border-left: 2px solid transparent;
}
.hiz-panel a:hover {
  background: rgba(255,255,255,.06);
  border-left-color: var(--altin);
  color: #fff;
}

/* HERO */
.hero-wrap {
  position: relative;
  width: 100%;
  min-height: 540px;
  overflow: hidden;
  background: var(--lacivert);
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: .88;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(15,15,15,.62) 0%,
    rgba(15,15,15,.35) 55%,
    rgba(15,15,15,.05) 100%
  );
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  min-height: 540px;
  padding: 64px 0 68px;
}
.hero-inner .wrap { width: 100%; }
.hero-eyebrow {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--altin2);
  text-transform: uppercase;
  margin: 0 0 14px;
}
.hero-h1 {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: clamp(38px, 5.5vw, 66px);
  font-weight: 700;
  color: #fff;
  line-height: 1.02;
  max-width: 14ch;
  margin: 0 0 10px;
}
.hero-sub {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: clamp(20px, 2.5vw, 27px);
  font-weight: 500;
  color: rgba(255,255,255,.82);
  margin: 0 0 22px;
  max-width: 32ch;
}
.hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,.72);
  max-width: 46ch;
  margin: 0 0 32px;
  line-height: 1.6;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* UCLU BANT */
.uclu { background: #fff; border-bottom: 1px solid var(--rule); }
.uclu .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.uclu-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 28px 24px;
  border-right: 1px solid var(--rule);
}
.uclu-item:last-child { border-right: none; }
.uclu-ikon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1.5px solid var(--altin);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--altin);
}
.uclu-ikon svg { width: 18px; height: 18px; }
.uclu-baslik {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--lacivert);
  margin: 0 0 3px;
}
.uclu-acik { font-size: 15px; color: var(--ink-soft); margin: 0; }

/* BUTONLAR */
.btn {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .06em;
  text-decoration: none;
  padding: 12px 24px;
  border: 2px solid currentColor;
  display: inline-block;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn.solid {
  background: var(--altin);
  border-color: var(--altin);
  color: var(--lacivert);
}
.btn.solid:hover { background: var(--altin2); border-color: var(--altin2); }
.btn.beyaz {
  background: transparent;
  border-color: rgba(255,255,255,.6);
  color: #fff;
}
.btn.beyaz:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn.outline {
  background: transparent;
  border-color: var(--membrane-dk);
  color: var(--membrane-dk);
}
.btn.outline:hover { background: var(--membrane-dk); color: #fff; }

/* SECTIONS */
section { padding: 64px 0; border-top: 1px solid var(--rule); }
section.first { border-top: none; }
.sec-head { font-size: clamp(26px, 3vw, 38px); font-weight: 700; margin-bottom: 24px; }
.lede { font-size: 19px; max-width: 64ch; margin: 0 0 28px; }
.callbar { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

/* VURGU (rapor bandi) */
.vurgu { background: var(--lacivert); color: #fff; border-top: none; padding: 60px 0; }
.vurgu .sec-head { color: #fff; }
.vurgu .lede { color: rgba(255,255,255,.82); }
.vurgu .ust {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--altin2);
  text-transform: uppercase;
  margin: 0 0 12px;
}
.rapor-kim { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 28px; }
.rapor-kim span {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 16px;
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.82);
  padding: 5px 14px;
}

/* HIZMETLER GRID */
.hiz-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 12px; }
.svc {
  background: #fff;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--membrane);
  padding: 26px 24px;
}
.svc.wide { grid-column: 1 / -1; border-left-color: var(--altin); }
.svc h3 {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--lacivert);
  margin: 0 0 10px;
}
.svc p { margin: 0 0 14px; font-size: 16px; color: var(--ink-soft); }
.svc ul { margin: 0; padding-left: 18px; font-size: 16px; color: var(--ink-soft); }
.svc li { margin-bottom: 6px; }
.svc.wide ul { columns: 2; column-gap: 36px; }
.svc .svc-note { font-size: 14px; color: var(--ink-soft); margin: 12px 0 0; }
.svc .svc-note a { color: var(--membrane-dk); }

/* STEPS */
ol.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; }
ol.steps li {
  counter-increment: s;
  padding: 0 0 26px 62px;
  position: relative;
  max-width: 60ch;
}
ol.steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-weight: 700;
  font-size: 26px;
  color: var(--altin);
}
ol.steps h3 { font-size: 22px; margin-bottom: 4px; }
ol.steps p { margin: 0; font-size: 17px; color: var(--ink-soft); }

/* LINKLER */
.linkler { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 28px; }
.linkler a {
  display: block;
  text-decoration: none;
  color: var(--ink);
  border-left: 3px solid var(--rule);
  padding: 10px 0 10px 16px;
  transition: border-color .15s;
}
.linkler a:hover { border-left-color: var(--altin); background: #fff; }
.linkler strong {
  display: block;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-weight: 600;
  font-size: 20px;
}
.linkler span { display: block; font-size: 15px; color: var(--ink-soft); margin-top: 2px; }

/* KIMLER */
.who { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 44px; max-width: 860px; }
.who div { border-top: 2px solid var(--altin); padding-top: 14px; }
.who h3 { font-size: 20px; margin-bottom: 4px; }
.who p { margin: 0; font-size: 16px; color: var(--ink-soft); }

/* ILETISIM */
.contact { background: var(--lacivert); color: #fff; border-top: none; padding: 64px 0; }
.contact .sec-head { color: #fff; }
.contact a { color: #fff; }
.cbox { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.cline {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  display: block;
  text-decoration: none;
  margin-bottom: 6px;
  color: #fff;
}
.cline:hover { color: var(--altin2); }
.cmeta { font-size: 16px; color: rgba(255,255,255,.62); margin: 0 0 20px; }
.contact .btn.outline { border-color: rgba(255,255,255,.5); color: #fff; }
.contact .btn.outline:hover { background: rgba(255,255,255,.1); border-color: #fff; }

/* FOOTER */
footer {
  background: var(--lacivert);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0 32px;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 14px;
  color: rgba(255,255,255,.38);
  letter-spacing: .06em;
}
footer a { color: rgba(255,255,255,.38); }
footer a:hover { color: rgba(255,255,255,.7); }
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-slogan {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--altin);
  text-transform: uppercase;
}

/* HAKKINDA */
.portre { margin: 0; }
.portre img { width: 100%; height: auto; display: block; }
.portre figcaption {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 15px;
  color: var(--ink-soft);
  margin-top: 8px;
}
.facts { margin: 0; font-size: 17px; }
.facts > div { display: flex; gap: 14px; padding: 11px 0; border-bottom: 1px solid var(--rule); }
.facts dt {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 16px;
  color: var(--ink-soft);
  min-width: 112px;
  margin: 0;
  flex-shrink: 0;
}
.facts dd { margin: 0; }
.two { display: grid; grid-template-columns: .7fr 1.3fr; gap: 44px; align-items: start; }

/* SSS */
details.sss { border-bottom: 1px solid var(--rule); padding: 16px 0; max-width: 72ch; }
details.sss summary {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 22px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--ink);
}
details.sss summary::-webkit-details-marker { display: none; }
details.sss summary::before { content: "+"; color: var(--altin); margin-right: 12px; font-weight: 700; }
details.sss[open] summary::before { content: "-"; }
details.sss p { margin: 12px 0 0 28px; font-size: 17px; max-width: 60ch; color: var(--ink-soft); }

/* HIZMET SAYFALARI */
.hs-kapsam { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 34px; margin: 0; padding-left: 19px; }
.hs-kapsam li { margin-bottom: 7px; font-size: 17px; }
.hata {
  background: #fff;
  border-left: 4px solid var(--marker);
  padding: 18px 22px;
  margin-top: 18px;
}
.hata h3 { font-size: 19px; margin-bottom: 8px; color: #8A6209; }
.hata ul { margin: 0; padding-left: 19px; font-size: 16.5px; color: var(--ink-soft); }
.hata li { margin-bottom: 6px; }
.altlink {
  border-top: 1px solid var(--rule);
  padding: 22px 0 0;
  margin-top: 32px;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 16px;
  color: var(--ink-soft);
}
.altlink a { margin-right: 16px; display: inline-block; margin-bottom: 6px; }

/* FORM */
form.talep { max-width: 660px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 5px;
}
.field .hint { font-size: 15px; color: var(--ink-soft); margin: 0 0 7px; }
input[type=text], input[type=tel], input[type=email], select, textarea {
  width: 100%;
  padding: 11px 13px;
  font-family: inherit;
  font-size: 17px;
  background: #fff;
  border: 1.5px solid var(--rule);
  color: var(--ink);
  border-radius: 0;
}
textarea { min-height: 130px; resize: vertical; line-height: 1.55; }
input:focus, select:focus, textarea:focus { border-color: var(--altin); outline: none; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.kvkk { font-size: 15px; color: var(--ink-soft); max-width: 62ch; margin: 22px 0; }
#formSonuc {
  display: none;
  background: #fff;
  border-left: 4px solid var(--membrane);
  padding: 18px 22px;
  margin-top: 20px;
  font-size: 17px;
}

/* SVG kesit (detaylar sayfasi) */
.fig { width: 100%; height: auto; display: block; }
.fig-cap { font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 15px; color: var(--ink-soft); margin-top: 10px; line-height: 1.4; }
.anno { opacity: 0; animation: fadeIn .5s ease-out .4s forwards; }
@keyframes fadeIn { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .anno { opacity: 1; animation: none; } }

/* DETAYLAR */
.detay { padding: 44px 0; border-top: 1px solid var(--rule); }
.detay:first-of-type { border-top: none; padding-top: 8px; }
.detay h2 { font-size: 28px; margin-bottom: 8px; }
.detay .grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; margin-top: 18px; }
.detay p { font-size: 17px; max-width: 56ch; }

.kapsam {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 18px;
  color: var(--altin2);
  margin: 14px 0 0;
  letter-spacing: .04em;
}

/* YUKARI DON */
.ustedon {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: 48px;
  height: 48px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lacivert);
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.ustedon.gorunur { opacity: 1; visibility: visible; transform: translateY(0); }
.ustedon:hover { background: var(--altin); }
@media (prefers-reduced-motion: reduce) { .ustedon { transition: none; } }

/* RESPONSIVE */
@media (max-width: 860px) {
  body { font-size: 17px; }
  .topbar .wrap { flex-wrap: wrap; padding-top: 10px; padding-bottom: 8px; gap: 8px; }
  .brand .isaret { height: 36px; }
  .brand .ad1 { font-size: 18px; }
  .brand .ad2 { font-size: 10px; letter-spacing: .15em; }
  nav.main { flex-wrap: nowrap; overflow-x: auto; width: 100%; gap: 16px; scrollbar-width: none; }
  nav.main::-webkit-scrollbar { display: none; }
  nav.main a, .hiz-btn { font-size: 15px; white-space: nowrap; }
  .nav-cta { font-size: 14px; padding: 7px 12px; }
  .hero-inner { min-height: 380px; padding: 40px 0 48px; }
  .hero-h1 { font-size: clamp(32px, 8vw, 44px); }
  .hero-sub { font-size: 20px; }
  .uclu .wrap { grid-template-columns: 1fr; }
  .uclu-item { border-right: none; border-bottom: 1px solid var(--rule); }
  .uclu-item:last-child { border-bottom: none; }
  .hiz-grid { grid-template-columns: 1fr; }
  .svc.wide ul { columns: 1; }
  .two, .cbox, .detay .grid, .row { grid-template-columns: 1fr; gap: 26px; }
  .linkler { grid-template-columns: 1fr; }
  .who { grid-template-columns: 1fr; }
  .hs-kapsam { grid-template-columns: 1fr; }
  .facts > div { flex-direction: column; gap: 2px; }
  section { padding: 46px 0; }
  .vurgu { padding: 46px 0; }
  .contact { padding: 46px 0; }
  .hiz-panel {
    position: fixed;
    left: 0; right: 0; width: auto;
    columns: 1; padding: 6px 8px;
    max-height: 70vh; overflow-y: auto;
    border-left: none; border-right: none;
  }
  .hiz-panel a { font-size: 18px; padding: 11px 14px; border-bottom: 1px solid rgba(255,255,255,.08); border-left: none; }
  .hiz-panel a:last-child { border-bottom: none; }
  .ustedon { right: 14px; bottom: 14px; width: 42px; height: 42px; }
  .portre { max-width: 280px; }
  .footer-inner { flex-direction: column; gap: 6px; }
}

/* HATA LIST - yeni format */
.hata-list { list-style: none; margin: 0; padding: 0; counter-reset: h; }
.hata-list li {
  counter-increment: h;
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: flex-start;
}
.hata-list li:last-child { border-bottom: none; }
.hata-list li::before {
  content: counter(h, decimal-leading-zero);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--marker);
  line-height: 1;
  padding-top: 2px;
  flex-shrink: 0;
  width: 48px;
}
.hata-list li > div {
  flex: 1;
}
.hata-list li strong {
  display: block;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.hata-list li span {
  display: block;
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.55;
}

/* WHATSAPP STICKY */
.wa-sticky {
  position: fixed;
  right: 22px;
  bottom: 80px;
  z-index: 70;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.25);
  text-decoration: none;
  transition: transform .15s, box-shadow .15s;
}
.wa-sticky:hover { transform: scale(1.08); box-shadow: 0 6px 20px rgba(0,0,0,.3); }
.wa-sticky svg { width: 28px; height: 28px; fill: #fff; }

/* MALIYET KUTUSU */
.maliyet {
  background: #fff;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--altin);
  padding: 28px 32px;
  margin-top: 24px;
  max-width: 72ch;
}
.maliyet-baslik {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 16px;
}
.maliyet-rakam {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 42px;
  font-weight: 700;
  color: var(--altin);
  line-height: 1;
  margin: 0 0 6px;
}
.maliyet-acik {
  font-size: 16px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  line-height: 1.55;
}
.maliyet-satirlar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 28px;
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}
.maliyet-satirlar div {
  font-size: 15px;
  color: var(--ink-soft);
}
.maliyet-satirlar strong {
  display: block;
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 2px;
}
@media (max-width:860px) {
  .wa-sticky { right: 14px; bottom: 70px; width: 46px; height: 46px; }
  .wa-sticky svg { width: 24px; height: 24px; }
  .maliyet-satirlar { grid-template-columns: 1fr; }
}


/* Language switch in both desktop and mobile navigation */
.main .lang-switch {
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  color: rgba(255,255,255,.78);
  text-decoration: none;
  border: 1px solid rgba(255,255,255,.32);
  padding: 4px 10px;
  margin-left: 8px;
  white-space: nowrap;
}
.main .lang-switch:hover, .main .lang-switch:focus-visible { color: #fff; border-color: #fff; }

/* ===== ANİMASYONLU TEKNİK KESİTLER (detaylar sayfası) ===== */
.kesit .damla, .kesit .yagmur, .kesit .dalga, .kesit .boru-su, .kesit .isi, .kesit .nem { opacity: 0; }
.kesit.anim-hazir .k, .kesit.anim-hazir .et { opacity: 0; }
.kesit.anim-hazir .k-cizgi { stroke-dasharray: var(--uz); stroke-dashoffset: var(--uz); }
.kesit.anim-hazir .pas { fill: #A4532B; }

.kesit.oynat .k       { animation: k-gir .6s cubic-bezier(.2,.7,.2,1) var(--g, 0s) forwards; }
.kesit.oynat .k-cizgi { animation: k-ciz var(--t, .9s) ease-out var(--g, 0s) forwards; }
.kesit.oynat .et      { animation: et-gir .45s ease-out var(--g, 0s) forwards; }
.kesit.oynat .odak    { animation: odak 2.4s ease-in-out var(--bas, 3s) infinite; transform-box: fill-box; transform-origin: center; }
.kesit.oynat .et.odak { animation: et-gir .45s ease-out var(--g, 0s) forwards, odak 2.4s ease-in-out var(--bas, 3s) infinite; }
.kesit.oynat .pas     { animation: pas-temiz .8s ease var(--g, 0s) forwards; }

.kesit.oynat .damla   { animation: yol var(--s, 2.6s) linear calc(var(--bas, 3s) + var(--d, 0s)) infinite; }
.kesit.oynat .yagmur  { animation: yagmur .9s linear calc(var(--bas, 3s) + var(--d, 0s)) infinite; }
.kesit.oynat .isi     { animation: isi 2.4s ease-in calc(var(--bas, 3s) + var(--d, 0s)) infinite; }
.kesit.oynat .nem     { animation: nem 2.2s ease-in-out calc(var(--bas, 3s) + var(--d, 0s)) infinite; }
.kesit.oynat .dalga   { animation: dalga 1.3s ease-out calc(var(--bas, 3s) + 1.2s) infinite; transform-box: fill-box; transform-origin: center; }
.kesit.oynat .boru-su { animation: boru 1.3s ease-in-out calc(var(--bas, 3s) + 1.2s) infinite; }
.kesit.duraklat, .kesit.duraklat * { animation-play-state: paused !important; }

@keyframes k-gir  { from { opacity: 0; transform: translateX(26px); } to { opacity: 1; transform: none; } }
@keyframes k-ciz  { to { stroke-dashoffset: 0; } }
@keyframes et-gir { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: none; } }
@keyframes odak   { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }
@keyframes pas-temiz { to { fill: #8A9298; } }
@keyframes yol {
  0%   { transform: translate(0, 0); opacity: 0; }
  8%   { opacity: .95; }
  40%  { transform: translate(var(--x1), var(--y1)); }
  72%  { transform: translate(var(--x2), var(--y2)); }
  94%  { transform: translate(var(--x3), var(--y3)); opacity: .95; }
  100% { transform: translate(var(--x3), var(--y3)); opacity: 0; }
}
@keyframes yagmur { 0% { transform: translateY(0); opacity: 0; } 20% { opacity: .7; } 100% { transform: translateY(34px); opacity: 0; } }
@keyframes isi    { 0% { transform: translateX(0); opacity: 0; } 15% { opacity: .9; } 75% { opacity: .9; } 100% { transform: translateX(var(--dx)); opacity: 0; } }
@keyframes nem    { 0% { transform: translateY(0); opacity: 0; } 20% { opacity: .9; } 80% { opacity: .9; } 100% { transform: translateY(var(--dy)); opacity: 0; } }
@keyframes dalga  { 0% { transform: scale(.55); opacity: .7; } 100% { transform: scale(1.35); opacity: 0; } }
@keyframes boru   { 0%, 100% { opacity: 0; } 50% { opacity: .55; } }

@media (prefers-reduced-motion: reduce) {
  .kesit.anim-hazir .k, .kesit.anim-hazir .et { opacity: 1; }
  .kesit.anim-hazir .k-cizgi { stroke-dashoffset: 0; }
  .kesit.anim-hazir .pas { fill: #8A9298; }
  .kesit.oynat, .kesit.oynat * { animation: none !important; }
}

/* ===== ÇEREZ ONAY KUTUSU ===== */
.cerez {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 90;
  max-width: 620px; margin: 0 auto; padding: 18px 20px;
  background: var(--lacivert); color: #fff; border-top: 3px solid var(--altin);
  box-shadow: 0 8px 28px rgba(0,0,0,.28);
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px;
  font-size: 15px; line-height: 1.5;
}
.cerez p { margin: 0; flex: 1 1 300px; }
.cerez .cerez-btn { display: flex; gap: 10px; }
.cerez button {
  font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 16px; font-weight: 600; letter-spacing: .06em;
  padding: 8px 18px; cursor: pointer; border: 1.5px solid rgba(255,255,255,.6);
  background: transparent; color: #fff;
}
.cerez button.kabul { background: #fff; color: var(--lacivert); border-color: #fff; }
.cerez button:focus-visible { outline: 2px solid var(--altin); outline-offset: 2px; }
.cerez-ayar {
  background: none; border: 0; padding: 0; cursor: pointer; font: inherit;
  color: rgba(255,255,255,.38); text-decoration: underline;
}
.cerez-ayar:hover { color: rgba(255,255,255,.7); }

/* ===== KVKK ===== */
.onay { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--ink-soft); max-width: 62ch; margin: 0 0 24px; line-height: 1.55; cursor: pointer; }
.onay input { width: 20px; height: 20px; margin: 2px 0 0; flex-shrink: 0; accent-color: var(--membrane-dk); cursor: pointer; }
.onay em { display: block; margin-top: 6px; font-style: normal; font-size: 14px; }
.kvkk-metin { max-width: 72ch; }
.kvkk-metin h2 { font-size: 24px; margin: 34px 0 10px; }
.kvkk-metin p, .kvkk-metin li { font-size: 17px; }
.kvkk-metin ul { padding-left: 20px; }
.kvkk-metin li { margin-bottom: 6px; }
.kvkk-tarih { margin-top: 34px; font-size: 15px !important; color: var(--ink-soft); }
.cerez a { color: var(--altin2, #D4A843); }

/* ===== SÖZLÜK ===== */
.sz-gizli { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.sz-arac { max-width: 560px; margin-top: 8px; }
.sz-arac input { width: 100%; padding: 13px 16px; font-size: 17px; font-family: inherit; background: #fff; border: 1.5px solid var(--rule); color: var(--ink); }
.sz-arac input:focus { border-color: var(--altin); outline: none; }
.sz-sonuc { min-height: 22px; margin: 8px 0 0; font-size: 14px; color: var(--ink-soft); }
.sz-cipler { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.sz-cip { font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 16px; padding: 6px 14px; background: #fff; border: 1px solid var(--rule); color: var(--ink); cursor: pointer; }
.sz-cip:hover { border-color: var(--altin); }
.sz-cip[aria-pressed="true"] { background: var(--lacivert); border-color: var(--lacivert); color: #fff; }
.sz-liste { padding-bottom: 20px; }
.sz-kat { padding: 34px 0 10px; border-top: 1px solid var(--rule); }
.sz-kat h2 { font-size: 26px; margin-bottom: 14px; }
.sz-kat h2 span { font-size: 15px; font-weight: 500; color: var(--ink-soft); margin-left: 6px; }
.sz-kat dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.sz-terim { padding: 14px 0; border-bottom: 1px solid var(--rule); scroll-margin-top: 140px; }
.sz-terim dt { font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 20px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.sz-terim dd { margin: 0; font-size: 16px; line-height: 1.6; color: var(--ink-soft); }
.sz-bag { color: var(--rule); text-decoration: none; margin-right: 8px; font-weight: 400; }
.sz-terim:hover .sz-bag, .sz-bag:focus-visible { color: var(--altin); }
.sz-ilgili { display: inline-block; margin-top: 4px; font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 15px; color: var(--membrane-dk); }
.sz-vurgu { background: #FFF4CC; box-shadow: -12px 0 0 #FFF4CC, 12px 0 0 #FFF4CC; }
.sz-yok { font-size: 17px; color: var(--ink-soft); padding: 30px 0; }
@media (max-width: 860px) { .sz-kat dl { grid-template-columns: 1fr; } }

/* ===== TEKLİF TERAZİSİ BANNER ===== */
.tz-banner { background: var(--lacivert); color: #fff; border-top: 3px solid var(--altin); }
.tz-banner .wrap { display: grid; grid-template-columns: auto 1fr auto; gap: 22px 28px; align-items: center; padding-top: 30px; padding-bottom: 30px; }
.tz-banner-ikon { width: 64px; height: 64px; border: 2px solid var(--altin); display: grid; place-items: center; color: var(--altin2); }
.tz-banner-ikon svg { width: 36px; height: 36px; }
.tz-banner-etiket { font-family: "IBM Plex Sans", Arial, sans-serif; font-size: 14px; letter-spacing: .14em; text-transform: uppercase; color: var(--altin2); margin: 0 0 4px; }
.tz-banner h2 { color: #fff; font-size: 30px; margin: 0 0 6px; }
.tz-banner p.tz-banner-acik { margin: 0; color: #CFCBC1; font-size: 17px; line-height: 1.5; max-width: 60ch; }
.tz-banner .btn.solid { white-space: nowrap; }
@media (max-width: 860px) { .tz-banner .wrap { grid-template-columns: 1fr; } .tz-banner-ikon { display: none; } .tz-banner h2 { font-size: 25px; } }


/* ===================== v5 · MÜHENDİS DEFTERİ ===================== */
:root { --kagit:#EDEBE5; --kare:#DCD9D1; --kalem:#1D3FA6; --sari:#F2B705; --kart:#F8F7F3; }
body {
  background-color: var(--kagit);
  background-image: linear-gradient(var(--kare) 1px, transparent 1px), linear-gradient(90deg, var(--kare) 1px, transparent 1px);
  background-size: 36px 36px;
  font-size: 17.5px;
  color: var(--ink);
}
h1, h2, h3, .sec-head { font-weight: 600; letter-spacing: -.012em; }
.el-not { font-family: "Caveat", cursive; font-weight: 600; color: var(--kalem); line-height: 1.12; }

/* etiket, menü, numara: mono */
nav.main a, .hiz-btn, .hiz-panel a, .nav-cta, .main .lang-switch, .hero-eyebrow, .vurgu .ust,
.tz-banner-etiket, .fig-cap, .sz-cip, .steps li::before, .footer-slogan {
  font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

/* ÜST BAR */
.topbar { background: rgba(237,235,229,.97); border-bottom: 2px solid var(--ink); }
.topbar .wrap { padding-top: 12px; padding-bottom: 12px; }
.brand .isaret { height: 48px; }
.brand .ad1 { font-family: "Jost", sans-serif; font-weight: 400; font-size: 24px; letter-spacing: .04em; color: var(--ink); text-transform: none; }
.brand .ad2 { font-family: "Jost", sans-serif; font-size: 12.5px; letter-spacing: .05em; color: var(--ink-soft); text-transform: none; margin-top: 4px; }
nav.main { gap: 20px; }
nav.main a, .hiz-btn { font-size: 13.5px; font-weight: 500; letter-spacing: .04em; color: var(--ink); text-transform: uppercase; }
nav.main a:hover, .hiz-btn:hover { color: var(--ink); border-bottom-color: var(--sari); }
nav.main a[aria-current="page"], .hiz-btn.acik-sayfa { color: var(--ink); border-bottom-color: var(--ink); }
.nav-cta { background: var(--ink); color: var(--kagit) !important; font-size: 13.5px; letter-spacing: .04em; text-transform: none; padding: 9px 16px; }
.nav-cta:hover { background: var(--sari); color: var(--ink) !important; }
.main .lang-switch { color: var(--ink); border-color: var(--ink); font-size: 12.5px; }
.main .lang-switch:hover, .main .lang-switch:focus-visible { color: var(--ink); border-color: var(--ink); background: var(--sari); }
.hiz-panel { background: #F7F6F2; border: 2px solid var(--ink); box-shadow: 6px 6px 0 rgba(20,20,20,.14); }
.hiz-panel a { color: var(--ink); font-size: 13.5px; text-transform: none; letter-spacing: 0; }
.hiz-panel a:hover { background: #fff; color: var(--ink); border-left-color: var(--sari); }
.menu-btn, .menu-toggle { color: var(--ink); }

/* BUTONLAR */
.btn { border-radius: 0; font-family: "IBM Plex Sans", Arial, sans-serif; font-weight: 600; letter-spacing: 0; }
.btn.solid { background: var(--ink); border-color: var(--ink); color: var(--kagit); }
.btn.solid:hover { background: var(--sari); border-color: var(--ink); color: var(--ink); }
.btn.outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn.outline:hover { background: var(--ink); color: var(--kagit); }

/* BÖLÜMLER: kâğıt zemin görünür kalsın */
section { border-top: 1px solid var(--ink); background: transparent; }
.sec-head::before { content: ""; display: block; width: 40px; height: 6px; background: var(--sari); margin-bottom: 14px; }
a { color: var(--kalem); text-underline-offset: 3px; text-decoration-thickness: 1px; }

/* KARTLAR */
.svc, .uclu-item { background: var(--kart); border: 1px solid var(--ink) !important; border-radius: 0; box-shadow: none; }
.svc.wide { border-left: 1px solid var(--ink) !important; }
.svc h3 { font-family: "IBM Plex Sans", Arial, sans-serif; font-weight: 600; }
.svc p, .svc ul { color: #3E3B36; }
.steps li::before { color: var(--ink); }
.uclu { background: transparent; border-bottom: none; }
.uclu .wrap { gap: 0; }
.uclu-item + .uclu-item { border-left: none !important; }
.uclu-ikon { color: var(--ink); border-color: var(--ink); background: var(--sari); }

/* KOYU BANTLAR: mürekkep siyahı + sarı şerit */
.vurgu, .contact, .tz-banner { background: #161616; border-top: 6px solid var(--sari); }
.tz-banner-ikon { color: var(--sari); border-color: var(--sari); }
.contact .btn.solid, .vurgu .btn.solid, .tz-banner .btn.solid { background: var(--sari); border-color: var(--sari); color: var(--ink); }
.contact .btn.solid:hover, .vurgu .btn.solid:hover, .tz-banner .btn.solid:hover { background: var(--kagit); border-color: var(--kagit); }
footer { background: #161616; }
.linkler a { border-left-color: var(--ink); }
.linkler a:hover { border-left-color: var(--sari); background: var(--kart); }
.contact .cbox { background: transparent; border: none !important; }
@media (max-width: 860px) {
  .hero-kesit .el-not { position: static; width: auto; transform: rotate(-2deg); margin: 6px 0 0; }
  .hiz-panel { background: #F7F6F2; }
  .hiz-panel a { border-bottom-color: var(--rule); font-size: 16px; }
}

/* ANA SAYFA HERO: fotoğraf yerine teknik kesit */
.hero-wrap.defter { background: transparent; min-height: 0; overflow: visible; }
.hero-wrap.defter .hero-inner { min-height: 0; align-items: center; padding: 64px 0 56px; }
.hero-wrap.defter .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 40px; align-items: center; }
.hero-wrap.defter .hero-eyebrow { color: var(--ink); font-size: 13.5px; letter-spacing: .1em; }
.hero-wrap.defter .hero-h1 { font-family: "IBM Plex Sans", Arial, sans-serif; font-weight: 600; color: var(--ink); letter-spacing: -.02em; font-size: clamp(38px, 5.2vw, 64px); }
.hero-wrap.defter .hero-sub { font-family: "Caveat", cursive; font-weight: 600; color: var(--kalem); font-size: clamp(26px, 3vw, 34px); transform: rotate(-1.5deg); transform-origin: left; margin: 6px 0 18px; }
.hero-wrap.defter .hero-desc { color: #3E3B36; font-size: 17.5px; max-width: 50ch; }
.hero-wrap.defter .btn.beyaz { border-color: var(--ink); color: var(--ink); background: transparent; }
.hero-wrap.defter .btn.beyaz:hover { background: var(--sari); }
.hero-kesit { position: relative; }
.hero-kesit svg { display: block; width: 100%; height: auto; }
.hero-kesit .el-not { position: absolute; left: -16%; bottom: -4%; width: 46%; font-size: clamp(20px, 2.1vw, 27px); transform: rotate(-4deg); }
@media (max-width: 860px) {
  .hero-wrap.defter .wrap { grid-template-columns: 1fr; gap: 8px; }
  .hero-kesit { max-width: 420px; margin: 0 auto; }
  .hero-kesit .el-not { left: 0; }
  .hero-kesit svg { max-width: 260px; margin: 0 auto; }
  .uclu-item + .uclu-item { border-left: 1px solid var(--ink) !important; border-top: none !important; }
}