/* ============================================================
   SAYNTEC — Ortak stil dosyası
   Renkleri değiştirmek için aşağıdaki :root değişkenlerini kullanın.
============================================================ */
:root {
  --bg:        #0a0e14;
  --bg-soft:   #0f1620;
  --bg-softer: #141d2b;
  --line:      #1d2a3a;
  --line-soft: #16202e;
  --text:      #e8eef5;
  --text-dim:  #8fa0b3;
  --text-faint:#5d6f83;
  --accent:    #35c8e8;
  --accent-2:  #1f8fd0;
  --accent-dim: rgba(53,200,232,.14);
  --mono:      "Cascadia Code", Consolas, "Courier New", monospace;
  --font:      "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  --radius:    14px;
  --maxw:      1200px;
  --shadow:    0 14px 40px rgba(0,0,0,.45);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* Blueprint ızgara zemini */
.blueprint {
  background-image:
    linear-gradient(rgba(53,200,232,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,200,232,.045) 1px, transparent 1px),
    linear-gradient(rgba(53,200,232,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53,200,232,.025) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
}

/* ---------- Tipografi yardımcıları ---------- */
.accent { color: var(--accent); }
.mono { font-family: var(--mono); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 12.5px; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase; color: var(--accent);
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--accent); }
.h-xl { font-size: clamp(34px, 5.4vw, 60px); font-weight: 800; line-height: 1.06; letter-spacing: -1.2px; }
.h-lg { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; line-height: 1.14; letter-spacing: -.6px; }
.h-md { font-size: clamp(21px, 2.4vw, 27px); font-weight: 700; line-height: 1.25; }
.lead { color: var(--text-dim); font-size: clamp(16px, 1.6vw, 18.5px); max-width: 680px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; border-radius: 6px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: .22s ease;
  font-family: var(--font);
}
.btn-primary { background: var(--accent); color: #04222e; }
.btn-primary:hover { background: #5ad8f2; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(53,200,232,.3); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Header ---------- */
header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(10,14,20,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 23px; letter-spacing: .4px; flex: 0 0 auto; }
.logo-mark {
  width: 38px; height: 38px; flex: 0 0 auto; position: relative;
  border: 1.5px solid var(--accent); border-radius: 4px;
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 17px; color: var(--accent);
}
.logo-mark::after {
  content: ""; position: absolute; inset: 3px;
  border: 1px dashed rgba(53,200,232,.4); border-radius: 2px;
}
.logo-img { width: 46px; height: auto; flex: 0 0 auto; filter: drop-shadow(0 2px 6px rgba(0,0,0,.45)); }
.logo small {
  display: block; font-family: var(--mono); font-weight: 500; font-size: 10px;
  letter-spacing: 2.6px; color: var(--text-faint); text-transform: uppercase; line-height: 1.1;
}

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links > a, .dropdown > a {
  font-size: 15px; font-weight: 500; color: var(--text-dim);
  padding: 10px 14px; border-radius: 8px; transition: .18s; display: block;
}
.nav-links > a:hover, .dropdown > a:hover { color: var(--text); background: var(--bg-softer); }
.nav-links > a.active, .dropdown > a.active { color: var(--accent); }
.nav-cta { margin-left: 10px; padding: 11px 22px !important; }

/* Hizmetler açılır menüsü */
.dropdown { position: relative; }
.dropdown > a::after { content: " ▾"; font-size: 11px; color: var(--text-faint); }
.dropdown-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 300px;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 10px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s ease;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu a {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: 8px; font-size: 14.5px; color: var(--text-dim); transition: .15s;
}
.dropdown-menu a:hover { background: var(--bg-softer); color: var(--text); }
.dropdown-menu .idx { font-family: var(--mono); font-size: 12px; color: var(--accent); }

/* Dil değiştirici */
.lang-switch {
  font-family: var(--mono); font-size: 12px; font-weight: 600; letter-spacing: 1.5px;
  border: 1px solid var(--line); padding: 7px 12px; border-radius: 6px;
  color: var(--text-dim) !important; margin-left: 8px; transition: .18s;
}
.lang-switch:hover { border-color: var(--accent); color: var(--accent) !important; background: none !important; }

.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 10px; }
.menu-toggle span { display: block; width: 25px; height: 2px; background: var(--text); margin: 5.5px 0; transition: .3s; }

/* ---------- Bölümler ---------- */
.section { padding: 100px 0; }
.section-tight { padding: 72px 0; }
.divider { border: 0; border-top: 1px solid var(--line-soft); }

/* ---------- Kartlar ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; transition: .25s ease; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); border-color: rgba(53,200,232,.55); box-shadow: var(--shadow); }
.card .card-idx {
  font-family: var(--mono); font-size: 12.5px; color: var(--accent);
  letter-spacing: 2px; margin-bottom: 16px; display: block;
}
.card h3 { font-size: 19.5px; margin-bottom: 10px; font-weight: 700; }
.card p { color: var(--text-dim); font-size: 15px; }
.card .card-link {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-size: 14px; font-weight: 600; color: var(--accent);
}
.card .card-link:hover { gap: 10px; }
.card .card-link { transition: gap .2s; }

/* ---------- Süreç şeridi ---------- */
.process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; margin-top: 56px; }
.process::before {
  content: ""; position: absolute; top: 26px; left: 8%; right: 8%;
  border-top: 1px dashed rgba(53,200,232,.35);
}
.p-step { text-align: center; padding: 0 10px; position: relative; }
.p-step .dot {
  width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--bg-softer); border: 1.5px solid var(--accent);
  display: grid; place-items: center; font-family: var(--mono); font-weight: 700;
  color: var(--accent); font-size: 15px; position: relative; z-index: 1;
}
.p-step b { display: block; font-size: 14.5px; margin-bottom: 4px; }
.p-step span { font-size: 12.5px; color: var(--text-faint); line-height: 1.45; display: block; }

/* ---------- Hizmet detay blokları ---------- */
.svc {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center;
  padding: 84px 0; border-bottom: 1px solid var(--line-soft);
}
.svc:last-of-type { border-bottom: 0; }
.svc.rev .svc-visual { order: -1; }
.svc-num {
  font-family: var(--mono); font-size: 13px; color: var(--accent); letter-spacing: 3px; margin-bottom: 12px; display: block;
}
.svc h2 { font-size: clamp(25px, 3vw, 34px); font-weight: 800; margin-bottom: 16px; letter-spacing: -.4px; }
.svc .lead { font-size: 16.5px; margin-bottom: 22px; }
.svc ul { list-style: none; display: grid; gap: 12px; }
.svc ul li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-dim); font-size: 15.5px; }
.svc ul li::before {
  content: "▸"; color: var(--accent); font-size: 15px; margin-top: 1px; flex: 0 0 auto;
}
.svc ul li b { color: var(--text); font-weight: 600; }
.svc-visual {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 16px;
  padding: 30px; position: relative; overflow: hidden;
}
.svc-visual .frame-label {
  position: absolute; top: 14px; left: 18px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--text-faint);
}
.svc-visual .frame-label-r {
  position: absolute; bottom: 12px; right: 18px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--text-faint);
}

/* ---------- İstatistik şeridi ---------- */
.stats { display: flex; gap: 56px; flex-wrap: wrap; }
.stats .num { font-size: clamp(30px, 3.4vw, 42px); font-weight: 800; font-family: var(--mono); color: var(--text); }
.stats .num em { font-style: normal; color: var(--accent); }
.stats .lbl { color: var(--text-dim); font-size: 14px; margin-top: 2px; }

/* ---------- CTA bandı ---------- */
.cta-band {
  background: linear-gradient(140deg, var(--bg-softer), var(--bg-soft));
  border: 1px solid var(--line); border-radius: 20px;
  padding: clamp(36px, 5vw, 64px);
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; right: -80px; top: -80px; width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(53,200,232,.14), transparent 70%);
}
.cta-band h2 { font-size: clamp(23px, 3vw, 32px); font-weight: 800; margin-bottom: 8px; }
.cta-band p { color: var(--text-dim); max-width: 520px; }

/* ---------- Sayfa başlığı (alt sayfalar) ---------- */
.page-head { padding: 84px 0 60px; border-bottom: 1px solid var(--line-soft); position: relative; overflow: hidden; }
.page-head::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(700px 340px at 85% -20%, rgba(53,200,232,.12), transparent 65%);
}
.crumb { font-family: var(--mono); font-size: 12.5px; color: var(--text-faint); letter-spacing: 2px; margin-bottom: 18px; }
.crumb a:hover { color: var(--accent); }

/* ---------- Formlar ---------- */
form.panel { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; margin-bottom: 7px; color: var(--text-dim); font-weight: 600; letter-spacing: .3px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px; border-radius: 8px; background: var(--bg);
  border: 1px solid var(--line); color: var(--text); font-family: inherit; font-size: 15px;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 130px; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line-soft); padding: 64px 0 34px; background: var(--bg-soft); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 44px; }
.foot-grid h4 { font-size: 14px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; font-family: var(--mono); }
.foot-grid ul { list-style: none; display: grid; gap: 10px; }
.foot-grid a { color: var(--text-dim); font-size: 14.5px; }
.foot-grid a:hover { color: var(--accent); }
.foot-grid p { color: var(--text-dim); font-size: 14.5px; max-width: 300px; }
.foot-bottom {
  border-top: 1px solid var(--line-soft); padding-top: 26px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--text-faint); font-size: 13.5px;
}

/* ---------- Görünüm animasyonu ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- SVG teknik çizim stilleri ---------- */
.tline   { stroke: var(--accent); stroke-width: 1.6; fill: none; }
.tline-2 { stroke: #6fe3f7; stroke-width: 1.1; fill: none; opacity: .85; }
.tdash   { stroke: rgba(53,200,232,.5); stroke-width: 1; fill: none; stroke-dasharray: 5 5; }
.tdim    { stroke: rgba(143,160,179,.75); stroke-width: .9; fill: none; }
.tfill   { fill: rgba(53,200,232,.07); stroke: var(--accent); stroke-width: 1.4; }
.tfill-2 { fill: rgba(31,143,208,.12); stroke: #57b7e8; stroke-width: 1.1; }
.ttxt    { font-family: var(--mono); font-size: 10px; fill: #8fa0b3; letter-spacing: 1px; }
.ttxt-a  { font-family: var(--mono); font-size: 10px; fill: var(--accent); letter-spacing: 1px; }
.tnode   { fill: var(--bg-softer); stroke: var(--accent); stroke-width: 1.4; }

@keyframes spin-slow { to { transform: rotate(360deg); } }
.spin-slow { animation: spin-slow 40s linear infinite; transform-origin: center; transform-box: fill-box; }
@keyframes dash-flow { to { stroke-dashoffset: -100; } }
.dash-flow { stroke-dasharray: 6 6; animation: dash-flow 4s linear infinite; }

/* ---------- Mobil ---------- */
@media (max-width: 1020px) {
  .split-2 { grid-template-columns: 1fr !important; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .process::before { display: none; }
  .foot-grid { grid-template-columns: repeat(2, 1fr); }
  .svc { grid-template-columns: 1fr; gap: 40px; padding: 64px 0; }
  .svc.rev .svc-visual { order: 0; }
}
@media (max-width: 680px) {
  .section { padding: 68px 0; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .stats { gap: 30px; }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; }

  .menu-toggle { display: block; }
  .nav-links {
    position: fixed; top: 78px; right: 0; left: 0; z-index: 190;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--bg-soft); border-bottom: 1px solid var(--line);
    padding: 14px 20px 20px; transform: translateY(-130%); transition: transform .3s ease;
    max-height: calc(100vh - 78px); overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .dropdown-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; border-left: 1px solid var(--line); border-radius: 0;
    margin: 4px 0 4px 14px; padding: 0 0 0 6px; min-width: 0;
  }
  .nav-cta { margin: 10px 0 0; justify-content: center; }
}