/* =========================================================================
   TEKNOTAMIR — DESIGN TOKENS
   Kimlik: bir teknisyenin tezgahı / cihaz diagnostik ekranı.
   Koyu grafit-lacivert + elektrik teali (devre kartı silkscreen rengi) +
   lehim-ütüsü ambar CTA rengi. Etiketler monospace ("model no", "arıza kodu"
   gibi teknik veri hissi verir). Dış font isteği yok — hız ve CWV önceliği.
   ========================================================================= */
:root {
  --ink: #0f151d;
  --ink-soft: #17212b;
  --ink-line: #26323d;
  --paper: #f7f8f5;
  --paper-dim: #edefea;
  --paper-line: #dde1da;
  --teal: #1fb8ac;
  --teal-deep: #0e8f86;
  --amber: #f5a623;
  --amber-deep: #cf860a;
  --text: #17212b;
  --text-muted: #5b6670;
  --text-on-ink: #eef1ee;
  --text-on-ink-muted: #93a0aa;
  --radius: 10px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 64px; /* mobil sabit CTA barı için yer */
}
@media (min-width: 861px) { body { padding-bottom: 0; } }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 { font-family: var(--sans); font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 .5em; color: var(--text); }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--text-muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--teal-deep);
  margin-bottom: .75em;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--amber); display: inline-block; }
.on-ink .eyebrow { color: var(--teal); }

/* -------------------------------------------------------------------------
   PIN DIVIDER — imza öğesi: flex-kablo konnektör pinlerini andıran ayraç.
   Bölümler arasında, "bu iş bağlantı/devre işi" fikrini sessizce taşır.
   ------------------------------------------------------------------------- */
.pin-divider {
  height: 18px;
  background-image: repeating-linear-gradient(90deg, var(--paper-line) 0 2px, transparent 2px 14px);
  background-position: center;
  background-repeat: repeat-x;
  background-size: auto 100%;
  opacity: .9;
}
.on-ink .pin-divider,
.ink .pin-divider { background-image: repeating-linear-gradient(90deg, var(--ink-line) 0 2px, transparent 2px 14px); }

/* -------------------------------------------------------------------------
   HEADER
   ------------------------------------------------------------------------- */
.site-header {
  background: var(--ink);
  color: var(--text-on-ink);
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--ink-line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; gap: 16px; }
.brand { display: flex; align-items: baseline; gap: .4em; font-weight: 800; font-size: 1.15rem; color: var(--text-on-ink); }
.brand:hover { text-decoration: none; }
.brand .brand-mark { color: var(--teal); font-family: var(--mono); }

.main-nav { display: none; }
.main-nav ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; }
.main-nav a { color: var(--text-on-ink-muted); font-weight: 600; font-size: .95rem; }
.main-nav a:hover { color: var(--text-on-ink); text-decoration: none; }
@media (min-width: 861px) { .main-nav { display: block; } }

.header-cta { display: none; align-items: center; gap: 10px; }
@media (min-width: 861px) { .header-cta { display: flex; } }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--ink-soft); border: 1px solid var(--ink-line); color: var(--text-on-ink);
  cursor: pointer;
}
@media (min-width: 861px) { .nav-toggle { display: none; } }

.mobile-nav { display: none; background: var(--ink-soft); border-bottom: 1px solid var(--ink-line); }
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; margin: 0; padding: 8px 20px 16px; }
.mobile-nav li { border-top: 1px solid var(--ink-line); }
.mobile-nav a { display: block; padding: 12px 0; color: var(--text-on-ink); font-weight: 600; }
@media (min-width: 861px) { .mobile-nav { display: none !important; } }

/* -------------------------------------------------------------------------
   BUTTONS
   ------------------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; border-radius: 999px; padding: 12px 22px; font-weight: 700; font-size: .95rem; cursor: pointer; border: 1px solid transparent; }
.btn:hover { text-decoration: none; }
.btn-amber { background: var(--amber); color: #241a02; }
.btn-amber:hover { background: var(--amber-deep); }
.btn-teal { background: var(--teal); color: #04211e; }
.btn-teal:hover { background: var(--teal-deep); color: #fff; }
.btn-outline { background: transparent; border-color: var(--ink-line); color: var(--text-on-ink); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-outline-light { background: transparent; border-color: var(--paper-line); color: var(--text); }
.btn-outline-light:hover { border-color: var(--teal-deep); color: var(--teal-deep); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-block { width: 100%; }

/* -------------------------------------------------------------------------
   MOBILE STICKY CTA BAR
   ------------------------------------------------------------------------- */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  background: var(--ink); border-top: 1px solid var(--ink-line);
  box-shadow: 0 -6px 20px rgba(0,0,0,.25);
}
@media (min-width: 861px) { .sticky-cta { display: none; } }
.sticky-cta a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 9px 4px 10px; color: var(--text-on-ink-muted); font-size: .72rem; font-weight: 700; font-family: var(--mono); text-transform: uppercase; letter-spacing: .03em; }
.sticky-cta a:hover { text-decoration: none; color: var(--text-on-ink); }
.sticky-cta a svg { width: 20px; height: 20px; }
.sticky-cta a.call { color: var(--amber); }
.sticky-cta a.whatsapp { color: var(--teal); }
.sticky-cta a + a { border-left: 1px solid var(--ink-line); }

/* -------------------------------------------------------------------------
   HERO
   ------------------------------------------------------------------------- */
.hero { background: var(--ink); color: var(--text-on-ink); padding: 56px 0 64px; }
.hero .container { display: grid; gap: 40px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 921px) { .hero .container { grid-template-columns: 1.05fr .95fr; } }
.hero h1 { color: #fff; }
.hero .lead { color: var(--text-on-ink-muted); }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

.diag-panel {
  background: var(--ink-soft); border: 1px solid var(--ink-line); border-radius: var(--radius);
  padding: 22px; font-family: var(--mono); font-size: .85rem; color: var(--text-on-ink-muted);
}
.diag-panel .diag-row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--ink-line); }
.diag-panel .diag-row:last-child { border-bottom: none; }
.diag-panel .diag-ok { color: var(--teal); }
.diag-panel .diag-head { color: var(--text-on-ink); font-weight: 700; margin-bottom: 6px; letter-spacing: .04em; text-transform: uppercase; font-size: .75rem; }

/* -------------------------------------------------------------------------
   SECTIONS / CARDS
   ------------------------------------------------------------------------- */
.section { padding: 56px 0; }
.section-dim { background: var(--paper-dim); }
.section-ink { background: var(--ink); color: var(--text-on-ink); }
.section-ink h2 { color: #fff; }
.section-head { max-width: 640px; margin-bottom: 32px; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius);
  padding: 22px; transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--teal); transform: translateY(-2px); }
.card h3 { margin-bottom: .35em; font-size: 1.05rem; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--teal-deep); text-decoration: none; }
.card p { color: var(--text-muted); font-size: .93rem; margin-bottom: .6em; }
.card .card-link { font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--teal-deep); text-transform: uppercase; letter-spacing: .04em; }

.tag {
  display: inline-block; font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
  background: var(--paper-dim); color: var(--text-muted); border-radius: 999px; padding: 3px 10px; margin: 0 6px 6px 0;
}
.on-ink .tag { background: var(--ink-soft); color: var(--text-on-ink-muted); }

/* Steps (gerçek bir süreç olduğu için numaralandırma anlamlı) */
.steps { counter-reset: step; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { position: relative; padding: 22px 18px 18px; background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--mono); font-weight: 700; font-size: .8rem; color: var(--ink);
  background: var(--teal); display: inline-block; padding: 3px 9px; border-radius: 5px; margin-bottom: 10px;
}

/* FAQ (native <details>, sıfır JS) */
.faq-item { border-bottom: 1px solid var(--paper-line); padding: 4px 0; }
.faq-item summary { cursor: pointer; font-weight: 700; padding: 14px 28px 14px 0; position: relative; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font-family: var(--mono); font-size: 1.2rem; color: var(--teal-deep); }
.faq-item[open] summary::after { content: "–"; }
.faq-item .faq-answer { padding: 0 0 16px; color: var(--text-muted); }

/* Breadcrumb */
.breadcrumb { padding: 14px 0; font-family: var(--mono); font-size: .78rem; }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; color: var(--text-muted); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 6px; color: var(--paper-line); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--teal-deep); }

/* Prose (hizmet/blog içerik gövdesi) */
.prose h2 { margin-top: 1.6em; font-size: 1.4rem; }
.prose h3 { margin-top: 1.2em; font-size: 1.1rem; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .4em; }
.prose a { text-decoration: underline; }

/* Sayfa üst bölümü (hizmet/blog H1 alanı) */
.page-hero { background: var(--ink); color: var(--text-on-ink); padding: 36px 0 40px; }
.page-hero h1 { color: #fff; margin-bottom: .3em; }
.page-hero .meta-row { font-family: var(--mono); font-size: .78rem; color: var(--text-on-ink-muted); display: flex; gap: 14px; flex-wrap: wrap; }

.layout-with-sidebar { display: grid; gap: 40px; grid-template-columns: 1fr; padding: 40px 0 64px; }
@media (min-width: 921px) { .layout-with-sidebar { grid-template-columns: 2fr 1fr; } }

.sidebar-card { background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; }
.sidebar-card h4 { font-family: var(--mono); text-transform: uppercase; font-size: .78rem; letter-spacing: .05em; color: var(--text-muted); margin-bottom: .8em; }
.sidebar-card ul { list-style: none; margin: 0; padding: 0; }
.sidebar-card li { border-top: 1px solid var(--paper-line); }
.sidebar-card li:first-child { border-top: none; }
.sidebar-card a { display: block; padding: 10px 0; color: var(--text); font-weight: 600; font-size: .93rem; }
.sidebar-card a:hover { color: var(--teal-deep); text-decoration: none; }

.contact-box { background: var(--ink); color: var(--text-on-ink); border-radius: var(--radius); padding: 24px; }
.contact-box h4 { color: #fff; font-family: var(--sans); text-transform: none; letter-spacing: 0; font-size: 1.1rem; }
.contact-box .btn { margin-top: 8px; }

/* Footer */
.site-footer { background: var(--ink); color: var(--text-on-ink-muted); padding: 48px 0 90px; }
@media (min-width: 861px) { .site-footer { padding-bottom: 40px; } }
.footer-grid { display: grid; gap: 28px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 32px; }
.footer-grid h4 { color: var(--text-on-ink); font-family: var(--mono); text-transform: uppercase; font-size: .78rem; letter-spacing: .05em; margin-bottom: .9em; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--text-on-ink-muted); font-size: .9rem; }
.footer-grid a:hover { color: var(--teal); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--ink-line); padding-top: 20px; font-size: .82rem; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; }

/* 404 */
.error-page { padding: 80px 0; text-align: center; }
.error-code { font-family: var(--mono); font-size: 4rem; font-weight: 800; color: var(--teal-deep); }

/* -------------------------------------------------------------------------
   FORMS (Fiyat Al / İletişim)
   ------------------------------------------------------------------------- */
.form { margin-bottom: 8px; }
.form-row { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 600px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 700; font-size: .88rem; margin-bottom: 6px; }
.form-control {
  width: 100%; padding: 11px 14px; border: 1px solid var(--paper-line); border-radius: 8px;
  font-family: var(--sans); font-size: .95rem; background: #fff; color: var(--text);
}
.form-control:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px rgba(31,184,172,.15); }
textarea.form-control { resize: vertical; }
input[type="file"].form-control { padding: 9px 10px; }
.form-hint { font-size: .8rem; color: var(--text-muted); margin: 6px 0 0; }

.alert { border-radius: var(--radius); padding: 16px 18px; margin-bottom: 22px; font-size: .93rem; }
.alert ul { margin: 8px 0 0; padding-left: 1.2em; }
.alert-success { background: #e6f7f5; border: 1px solid var(--teal); color: #0b4a45; }
.alert-error { background: #fdf1e4; border: 1px solid var(--amber); color: #6b3e05; }

/* -------------------------------------------------------------------------
   MARQUEE / TICKER — kesintisiz kayan bant bileşeni.
   Teknik: içerik iki kez art arda basılır, bant kendi genişliğinin
   %50'si kadar kaydırılır — döngü noktasında ikinci kopya tam olarak
   ilk kopyanın başladığı yere denk gelir, sıçrama görünmez.
   ------------------------------------------------------------------------- */
.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.marquee-track { display: flex; gap: 14px; width: max-content; padding: 0 4px; }
.marquee-track > * { flex: 0 0 auto; }
.brand-marquee .marquee-track { animation: marquee-x 26s linear infinite; }
.brand-marquee:hover .marquee-track { animation-play-state: paused; }
.brand-marquee .brand-chip { min-width: 140px; }

.ticker {
  background: var(--ink);
  border-bottom: 1px solid var(--ink-line);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
}
.ticker-track { display: flex; align-items: center; gap: 30px; width: max-content; padding: 8px 0; animation: marquee-x 44s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  font-family: var(--mono); font-size: .76rem; color: var(--text-on-ink-muted);
}
.ticker-item .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--amber); flex: 0 0 auto; }
.ticker-item a { color: var(--text-on-ink-muted); }
.ticker-item a:hover { color: var(--teal); text-decoration: none; }

@keyframes marquee-x {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track, .ticker-track { animation: none !important; }
  .marquee, .ticker { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
}

/* Home: brand grid */
.brand-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.brand-chip { display: block; text-align: center; padding: 18px 10px; background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius); font-weight: 700; color: var(--text); }
.brand-chip:hover { border-color: var(--teal); color: var(--teal-deep); text-decoration: none; }


/* =========================================================================
   MARKA MARQUEE — MASAÜSTÜ + MOBİL
   Sadece marka sayfaları sağdan sola akar.
   ========================================================================= */

.brand-marquee {
  width: 100%;
  overflow: hidden;
}

.brand-marquee .marquee-track {
  display: flex;
  flex-wrap: nowrap;
  width: max-content;
  gap: 14px;
  animation: marquee-x 26s linear infinite;
  will-change: transform;
}

.brand-marquee .marquee-track > * {
  flex: 0 0 auto;
}

.brand-marquee .brand-chip {
  min-width: 140px;
}

/* Sağdan sola */
@keyframes marquee-x {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

/* Mobil */
@media (max-width: 860px) {
  .brand-marquee .marquee-track {
    animation-duration: 26s;
  }

  .brand-marquee .brand-chip {
    flex: 0 0 140px;
  }
}