/* ============================================================
   Blue Network ® Software — 3D Edition
   Tasarım sistemi / global stiller
   ============================================================ */

:root {
  --bg: #050813;
  --bg-2: #070b1c;
  --panel: rgba(16, 24, 48, 0.6);
  --panel-solid: #0d1430;
  --stroke: rgba(120, 160, 255, 0.14);
  --stroke-strong: rgba(120, 170, 255, 0.32);
  --text: #e8eefb;
  --muted: #94a2c4;
  --muted-2: #6c7aa0;
  --cyan: #2fe6ff;
  --blue: #3b82f6;
  --indigo: #6366f1;
  --glow: 0 0 40px rgba(47, 230, 255, 0.25);
  --grad: linear-gradient(120deg, #2fe6ff 0%, #3b82f6 55%, #6366f1 100%);
  --grad-soft: linear-gradient(120deg, rgba(47,230,255,.16), rgba(99,102,241,.16));
  --radius: 18px;
  --radius-lg: 26px;
  --maxw: 1240px;
  --font: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background ambience */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 600px at 78% -5%, rgba(59,130,246,.18), transparent 60%),
    radial-gradient(700px 500px at 8% 12%, rgba(47,230,255,.12), transparent 55%),
    radial-gradient(800px 700px at 50% 110%, rgba(99,102,241,.16), transparent 60%);
  z-index: -2;
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(120,160,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,160,255,.035) 1px, transparent 1px);
  background-size: 56px 56px;
  z-index: -2;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Başlıklar tek renk (mavi) — iki renge bölünme kaldırıldı, çeviri ve görünüm tutarlı */
h1:has(.gradient-text),
h2:has(.gradient-text),
h3:has(.gradient-text) { color: #4f86f7; }
h1 .gradient-text,
h2 .gradient-text,
h3 .gradient-text {
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
  -webkit-text-fill-color: #4f86f7;
  color: #4f86f7;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 7px 16px;
  border: 1px solid var(--stroke-strong);
  border-radius: 100px;
  background: var(--grad-soft);
  backdrop-filter: blur(8px);
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.section { padding: 110px 0; position: relative; }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.12;
  font-weight: 700;
  margin: 18px 0 14px;
  letter-spacing: -.5px;
}
.section-head p { color: var(--muted); font-size: 17px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 26px;
  border-radius: 100px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .25s, box-shadow .25s, background .25s;
  position: relative;
}
.btn-primary {
  background: var(--grad);
  color: #04101f;
  box-shadow: 0 10px 30px rgba(47,230,255,.28);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 44px rgba(47,230,255,.42); }
.btn-ghost {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--stroke-strong);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.07); transform: translateY(-3px); }
.btn .arrow { transition: transform .25s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   Header / Nav
   ============================================================ */
.topbar {
  font-size: 13.5px;
  color: var(--muted);
  border-bottom: 1px solid var(--stroke);
  background: rgba(5,8,19,.5);
  backdrop-filter: blur(10px);
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 42px;
  gap: 20px;
}
.topbar .tb-right { display: flex; gap: 22px; align-items: center; }
.topbar a:hover { color: var(--cyan); }
.topbar .dot { color: var(--cyan); }

header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6,9,22,.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--stroke);
  transition: background .3s;
}
header.nav.scrolled { background: rgba(6,9,22,.94); }
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.nav .logo img { height: 38px; }
.nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav-links > li > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav-links > li > a:hover,
.nav-links > li > a.active { color: var(--text); background: rgba(255,255,255,.04); }
.nav-links .has-drop { position: relative; }
.nav-links .has-drop > a::after {
  content: "▾";
  font-size: 10px;
  opacity: .6;
}
.drop {
  position: absolute;
  top: 120%;
  left: 0;
  min-width: 230px;
  background: var(--panel-solid);
  border: 1px solid var(--stroke-strong);
  border-radius: 14px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .22s;
  box-shadow: 0 24px 50px rgba(0,0,0,.5);
}
.has-drop:hover .drop { opacity: 1; visibility: visible; transform: translateY(0); }
.drop a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14.5px;
  color: var(--muted);
}
.drop a:hover { background: var(--grad-soft); color: var(--text); }
.drop a i { color: var(--cyan); font-style: normal; width: 18px; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.burger { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; }
.burger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(5,8,19,.97);
  backdrop-filter: blur(20px);
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  padding: 90px 28px 40px;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .close { position: absolute; top: 26px; right: 26px; font-size: 28px; background: none; border: 0; color: var(--text); cursor: pointer; }
.mobile-menu a { display: block; padding: 14px 4px; font-size: 19px; border-bottom: 1px solid var(--stroke); color: var(--text); }
.mobile-menu .sub { font-size: 15px; color: var(--muted); padding-left: 16px; }

/* ============================================================
   Hero with 3D canvas
   ============================================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 60px 0 80px;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero .container { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 50px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(36px, 5.4vw, 64px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -1.5px;
  margin: 22px 0 20px;
}
/* hero başlığı (slogan) beyaz — gradient/mavi geçersiz kılınır */
.hero h1 { color: #fff; }
.hero h1 .gradient-text { background: none; -webkit-text-fill-color: #fff; color: #fff; }
.hero-lead { font-size: 18px; color: var(--muted); max-width: 520px; margin-bottom: 24px; }
/* hizmet etiketi çipleri */
.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 34px; max-width: 520px; }
.hero-tags span {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: "JetBrains Mono", monospace; font-size: 12.5px; color: var(--muted);
  padding: 7px 14px; border: 1px solid var(--stroke); border-radius: 100px;
  background: rgba(120,160,255,.045); transition: border-color .2s, color .2s, transform .2s;
}
.hero-tags span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px rgba(47,230,255,.7); }
.hero-tags span:hover { border-color: var(--stroke-strong); color: var(--text); transform: translateY(-2px); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-metrics {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-metrics .m {
  position: relative;
  flex: 1;
  min-width: 130px;
  padding: 20px 22px 18px;
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.hero-metrics .m::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad); opacity: .7; }
.hero-metrics .m:hover { border-color: var(--stroke-strong); transform: translateY(-3px); }
.hero-metrics .m strong { font-size: 30px; display: block; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-metrics .m span { font-size: 13.5px; color: var(--muted); }
/* zarif kaydırma ipucu */
.hero-scroll { display: inline-flex; align-items: center; gap: 10px; margin-top: 30px; font-size: 13.5px; color: var(--muted); letter-spacing: .01em; }
.hero-scroll::after { content: "↓"; display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid var(--stroke-strong); border-radius: 50%; color: var(--cyan); font-size: 13px; animation: heroDown 1.8s ease-in-out infinite; }
@keyframes heroDown { 0%, 100% { transform: translateY(0); opacity: .7; } 50% { transform: translateY(5px); opacity: 1; } }

/* Floating terminal card on hero right */
.hero-visual { position: relative; height: 100%; min-height: 420px; }
.terminal {
  position: relative;
  z-index: 3;
  background: rgba(8,12,28,.82);
  border: 1px solid var(--stroke-strong);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  max-width: 440px;
  margin-left: auto;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--stroke);
  background: rgba(255,255,255,.02);
}
.terminal-bar i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.terminal-bar i:nth-child(1){ background:#ff5f57; }
.terminal-bar i:nth-child(2){ background:#febc2e; }
.terminal-bar i:nth-child(3){ background:#28c840; }
.terminal-bar strong { margin-left: 8px; font-size: 12.5px; color: var(--muted); font-weight: 500; }
.terminal-body { padding: 18px; font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 13px; line-height: 1.85; min-height: 230px; }
.terminal-body .line { white-space: pre-wrap; }
.terminal-body .c-cyan { color: var(--cyan); }
.terminal-body .c-green { color: #4ade80; }
.terminal-body .c-blue { color: #60a5fa; }
.terminal-body .c-mut { color: var(--muted-2); }
.cursor { display: inline-block; width: 8px; height: 15px; background: var(--cyan); animation: blink 1s steps(2) infinite; vertical-align: -2px; }
@keyframes blink { 50% { opacity: 0; } }

/* ============================================================
   Marquee
   ============================================================ */
.marquee {
  border-top: 1px solid var(--stroke);
  border-bottom: 1px solid var(--stroke);
  padding: 22px 0;
  overflow: hidden;
  background: rgba(8,12,28,.4);
}
.marquee-track {
  display: flex;
  gap: 40px;
  white-space: nowrap;
  width: max-content;
  animation: scroll 30s linear infinite;
}
.marquee-track span {
  font-size: 20px;
  font-weight: 600;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 40px;
}
.marquee-track span::after { content: "◆"; color: var(--cyan); font-size: 11px; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ============================================================
   Cards / Services grid
   ============================================================ */
.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  transition: transform .3s, border-color .3s, box-shadow .3s;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity .3s;
}
.card:hover { transform: translateY(-6px); border-color: var(--stroke-strong); box-shadow: 0 24px 50px rgba(0,0,0,.4); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-card { padding: 30px; }
.service-card .ico {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 24px;
  background: var(--grad-soft);
  border: 1px solid var(--stroke-strong);
  margin-bottom: 20px;
}
.service-card .num { position: absolute; top: 24px; right: 26px; font-size: 14px; color: var(--muted-2); font-family: "JetBrains Mono", monospace; }
.service-card h3 { font-size: 21px; margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.service-card .more { display: inline-flex; align-items: center; gap: 7px; color: var(--cyan); font-weight: 600; font-size: 14.5px; }
.service-card .more .arrow { transition: transform .25s; }
.service-card:hover .more .arrow { transform: translateX(4px); }

/* ============================================================
   Solution / split sections
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.feature-list { display: grid; gap: 16px; margin-top: 24px; }
.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--stroke);
  border-radius: 14px;
  background: var(--panel);
  transition: border-color .3s, transform .3s;
}
.feature-list li:hover { border-color: var(--stroke-strong); transform: translateX(6px); }
.feature-list .fi {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: var(--grad-soft);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
}
.feature-list h4 { font-size: 16px; margin-bottom: 2px; }
.feature-list p { font-size: 14px; color: var(--muted); }

/* 3D rack mini canvas holder */
.rack-stage {
  position: relative;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 30%, rgba(47,230,255,.08), transparent 60%),
    var(--panel);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  min-height: 380px;
}
#rack-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.rack-badge {
  position: absolute;
  z-index: 2;
  padding: 9px 14px;
  font-size: 12.5px;
  font-family: "JetBrains Mono", monospace;
  border: 1px solid var(--stroke-strong);
  border-radius: 100px;
  background: rgba(8,12,28,.7);
  backdrop-filter: blur(8px);
}
.rack-badge.b1 { top: 22px; left: 22px; color: var(--cyan); }
.rack-badge.b2 { bottom: 22px; right: 22px; color: #4ade80; }

/* ============================================================
   Stats strip
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat { padding: 32px 26px; text-align: center; }
.stat strong { font-size: 44px; font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; }
.stat span { color: var(--muted); font-size: 14.5px; }

/* ============================================================
   Process
   ============================================================ */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { padding: 28px; }
.step .s-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--cyan);
  border: 1px solid var(--stroke-strong);
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  margin-bottom: 18px;
  background: var(--grad-soft);
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* ============================================================
   Projects / references
   ============================================================ */
.logo-grid { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; align-items: stretch; }
.logo-card {
  flex: 0 1 280px;
  min-width: 220px;
  max-width: 320px;
  padding: 32px;
  text-align: center;
  display: flex; flex-direction: column; justify-content: center;
  transition: transform .2s, border-color .2s;
}
a.logo-card:hover { transform: translateY(-4px); border-color: var(--stroke-strong); }
.logo-card img { height: 56px; margin: 0 auto 16px; object-fit: contain; filter: brightness(1.1); }
.logo-card h3 { font-size: 17px; }
.logo-card span { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* Logo sayısına göre görünüm — ilerde 2., 3. logo eklenince sırıtmasın */
.logo-grid--1 .logo-card { flex: 0 1 380px; max-width: 440px; padding: 40px 36px; }
.logo-grid--1 .logo-card img { height: 64px; }
.logo-grid--2 .logo-card { flex: 0 1 320px; max-width: 360px; }
.logo-grid--many .logo-card { flex: 0 1 260px; max-width: 300px; }
@media (max-width: 760px) {
  .logo-grid--1 .logo-card, .logo-grid--2 .logo-card, .logo-grid--many .logo-card {
    flex: 1 1 100%; max-width: 420px;
  }
}

/* ============================================================
   CTA
   ============================================================ */
.cta-box {
  position: relative;
  padding: 64px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke-strong);
  background:
    radial-gradient(700px 300px at 80% 0%, rgba(59,130,246,.22), transparent 60%),
    var(--panel-solid);
  overflow: hidden;
  text-align: center;
}
.cta-box h2 { font-size: clamp(26px, 3.5vw, 40px); margin-bottom: 16px; max-width: 720px; margin-inline: auto; }
.cta-box p { color: var(--muted); margin-bottom: 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   Forms
   ============================================================ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; color: var(--muted); font-weight: 500; }
.field input, .field textarea, .field select {
  background: rgba(8,12,28,.6);
  border: 1px solid var(--stroke);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(47,230,255,.12);
}
.field textarea { resize: vertical; min-height: 130px; }
.contact-info { display: grid; gap: 16px; }
.contact-info .ci {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--stroke);
  border-radius: 14px;
  background: var(--panel);
}
.contact-info .ci .ci-ico { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-size: 20px; background: var(--grad-soft); border: 1px solid var(--stroke-strong); }
.contact-info .ci span { font-size: 13px; color: var(--muted); display: block; }
.contact-info .ci strong { font-size: 16px; }

/* ============================================================
   Page hero (inner pages)
   ============================================================ */
.page-hero {
  padding: 70px 0 50px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--stroke);
}
.page-hero h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 700; letter-spacing: -1px; margin: 18px 0 14px; }
.page-hero p { color: var(--muted); max-width: 600px; margin: 0 auto; font-size: 17px; }
.breadcrumb { font-size: 13.5px; color: var(--muted-2); }
.breadcrumb a:hover { color: var(--cyan); }

/* ============================================================
   Footer
   ============================================================ */
footer.site {
  border-top: 1px solid var(--stroke);
  padding: 70px 0 30px;
  background: rgba(6,9,22,.6);
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--stroke);
}
.footer-brand img { height: 40px; margin-bottom: 18px; }
.footer-brand p { color: var(--muted); font-size: 14.5px; max-width: 300px; }
.footer-badges { display: flex; gap: 8px; margin-top: 18px; }
.footer-badges span { font-size: 12.5px; padding: 6px 12px; border: 1px solid var(--stroke); border-radius: 100px; color: var(--muted); }
footer.site h4 { font-size: 15px; margin-bottom: 18px; }
footer.site .fcol a, footer.site .fcol span { display: block; color: var(--muted); font-size: 14.5px; padding: 6px 0; transition: color .2s; }
footer.site .fcol a:hover { color: var(--cyan); }
.footer-social { display: flex; gap: 10px; margin-top: 14px; }
.footer-social a { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--stroke); display: grid; place-items: center; transition: .25s; }
.footer-social a:hover { border-color: var(--cyan); transform: translateY(-3px); }
.footer-social img { width: 20px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 13.5px;
  color: var(--muted-2);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a:hover { color: var(--cyan); }

/* Scroll-to-top */
.to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--grad);
  color: #04101f;
  display: grid; place-items: center;
  font-size: 20px;
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: .3s;
  box-shadow: var(--glow);
}
.to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* Reveal animation */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .7s, transform .7s; }
[data-reveal].in { opacity: 1; transform: none; }

/* ============================================================
   Scroll 3D yolculuğu — sabit arka plan + HUD
   ============================================================ */
#journey-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
}
body.has-journey { background: #050813; }
/* Yolculuk açıkken bölümler 3D'nin görünmesi için yarı saydam */
body.has-journey .section { background: transparent; }

/* Bölge HUD'u (sağ alt) */
.zone-hud {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 35;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border: 1px solid var(--stroke-strong);
  border-radius: 14px;
  background: rgba(6, 10, 24, 0.72);
  backdrop-filter: blur(12px);
  font-family: "JetBrains Mono", monospace;
  transition: border-color .5s, box-shadow .5s;
  max-width: 76vw;
}
.zone-hud .zone-dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  flex-shrink: 0;
  animation: zpulse 1.6s infinite;
}
@keyframes zpulse { 50% { transform: scale(1.5); opacity: .6; } }
.zone-hud strong { font-size: 14px; letter-spacing: 1.5px; display: block; }
.zone-hud span { font-size: 11.5px; color: var(--muted); }
.zone-hud.z-net { border-color: rgba(47,230,255,.5); box-shadow: 0 0 30px rgba(47,230,255,.18); }
.zone-hud.z-net .zone-dot { background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.zone-hud.z-dc { border-color: rgba(59,130,246,.5); box-shadow: 0 0 30px rgba(59,130,246,.2); }
.zone-hud.z-dc .zone-dot { background: var(--blue); box-shadow: 0 0 12px var(--blue); }
.zone-hud.z-cyber { border-color: rgba(255,59,92,.5); box-shadow: 0 0 30px rgba(255,59,92,.2); }
.zone-hud.z-cyber .zone-dot { background: #ff3b5c; box-shadow: 0 0 12px #ff3b5c; }

/* Scroll ilerleme çubuğu (üst) */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  z-index: 60;
  box-shadow: 0 0 12px rgba(47,230,255,.6);
}

/* Yolculuk bölüm etiketi (büyük, sticky hisli) */
.journey-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--cyan);
  border: 1px dashed var(--stroke-strong);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
}

/* FAQ akordeon */
.faq { display: grid; gap: 14px; max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--stroke); border-radius: 14px; background: var(--panel); overflow: hidden; backdrop-filter: blur(10px); }
.faq-q {
  width: 100%; text-align: left; cursor: pointer;
  background: none; border: 0; color: var(--text);
  font-family: var(--font); font-size: 16.5px; font-weight: 600;
  padding: 20px 22px; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q .ic { color: var(--cyan); font-size: 22px; transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-q .ic { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 22px 20px; color: var(--muted); font-size: 15px; }

/* Detay sayfası: orbit görsel + kapsam kartları */
.detail-orbit {
  position: relative;
  aspect-ratio: 1/1;
  min-height: 340px;
  display: grid; place-items: center;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 50%, rgba(47,230,255,.08), transparent 60%), var(--panel);
  overflow: hidden;
}
.detail-orbit .o-core {
  position: relative; z-index: 3; text-align: center;
  width: 120px; height: 120px; border-radius: 50%;
  display: grid; place-items: center; gap: 4px;
  background: var(--grad-soft); border: 1px solid var(--stroke-strong);
}
.detail-orbit .o-core img { width: 38px; margin: 0 auto; }
.detail-orbit .o-core strong { font-size: 12px; }
.detail-orbit .o-ring { position: absolute; border: 1px dashed var(--stroke-strong); border-radius: 50%; }
.detail-orbit .o-ring.r1 { width: 62%; height: 62%; animation: spin 18s linear infinite; }
.detail-orbit .o-ring.r2 { width: 90%; height: 90%; animation: spin 28s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.detail-orbit .chip {
  position: absolute; z-index: 2;
  font-family: "JetBrains Mono", monospace; font-size: 12.5px;
  padding: 7px 13px; border-radius: 100px;
  background: rgba(8,12,28,.8); border: 1px solid var(--stroke-strong); color: var(--cyan);
}
.detail-orbit .chip:nth-child(3){ top: 12%; left: 50%; transform: translateX(-50%); }
.detail-orbit .chip:nth-child(4){ top: 50%; right: 6%; transform: translateY(-50%); }
.detail-orbit .chip:nth-child(5){ bottom: 12%; left: 50%; transform: translateX(-50%); }
.detail-orbit .chip:nth-child(6){ top: 50%; left: 6%; transform: translateY(-50%); }

.scope-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scope-card { padding: 26px; }
.scope-card .sc-num { font-family: "JetBrains Mono", monospace; color: var(--cyan); font-size: 13px; margin-bottom: 12px; }
.scope-card h3 { font-size: 18px; margin-bottom: 8px; }
.scope-card p { color: var(--muted); font-size: 14.5px; }

.detail-metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 30px; }
.detail-metrics .dm { padding: 22px; text-align: center; }
.detail-metrics .dm strong { display: block; font-size: 26px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.detail-metrics .dm span { font-size: 13px; color: var(--muted); }

@media (max-width: 1080px) { .scope-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 760px) {
  .scope-grid { grid-template-columns: 1fr; }
  .detail-metrics { grid-template-columns: repeat(2,1fr); }
  .zone-hud { left: 12px; right: 12px; bottom: 12px; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 360px; }
  .terminal { margin: 0 auto; }
  .split { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-links, .topbar { display: none; }
  .burger { display: flex; }
  .section { padding: 76px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-metrics .m { min-width: 100%; }
}

/* ============================================================
   Dil değiştirici (TR / EN)
   ============================================================ */
.lang-switch {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 0; border: 0; background: none;
  font-family: "JetBrains Mono", var(--font); font-size: 12px; line-height: 1;
}
.lang-switch button {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: 0; cursor: pointer; color: var(--muted);
  font: inherit; padding: 6px 9px; border-radius: 7px;
  transition: color .15s, background .15s;
}
.lang-switch button:hover { color: var(--text); }
.lang-switch button.active { color: #fff; background: var(--blue); font-weight: 700; border-radius: 7px; }
.lang-switch .flag {
  width: 19px; height: 13px; border-radius: 2px; display: block; flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(255,255,255,.18);
}
.lang-switch--mobile { margin-top: 22px; align-self: flex-start; font-size: 13px; }
.lang-switch--mobile button { padding: 8px 12px; }
@media (max-width: 760px) {
  .nav-actions .lang-switch { margin-right: 4px; }
  .nav-actions .lang-switch button span { display: none; }   /* dar ekranda sadece bayrak */
  .nav-actions .lang-switch button { padding: 6px; }
}

/* ============================================================
   Sayfa yükleniyor animasyonu (uçuşan hizmet kelimeleri + logo)
   ============================================================ */
.bn-loader {
  position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center;
  background:
    radial-gradient(1100px 700px at 50% 44%, #0b1430, #060912 68%),
    #05070f;
  overflow: hidden; opacity: 1; transition: opacity .55s ease;
}
.bn-loader.hide { opacity: 0; pointer-events: none; }

/* yumuşak aurora arka plan (sade, yavaş) */
.bn-loader__aurora { position: absolute; inset: 0; overflow: hidden; }
.bn-loader__aurora i { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .26; }
.bn-loader__aurora i:nth-child(1) { width: 460px; height: 460px; background: #1f6dff; left: -70px; top: -60px; animation: bnAur1 13s ease-in-out infinite; }
.bn-loader__aurora i:nth-child(2) { width: 420px; height: 420px; background: #2fe6ff; right: -60px; bottom: -50px; animation: bnAur2 16s ease-in-out infinite; }
.bn-loader__aurora i:nth-child(3) { width: 320px; height: 320px; background: #6366f1; left: 42%; top: 52%; opacity: .2; animation: bnAur1 18s ease-in-out infinite reverse; }
@keyframes bnAur1 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(44px, 34px); } }
@keyframes bnAur2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-40px, -30px); } }

/* merkez sütun */
.bn-loader__c { position: relative; z-index: 2; display: grid; justify-items: center; gap: 26px; animation: bnCoreIn .7s cubic-bezier(.2,.8,.2,1) both; }
@keyframes bnCoreIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* logo + üzerinden geçen ışık parıltısı */
.bn-loader__logo { position: relative; overflow: hidden; border-radius: 14px; padding: 10px 22px; filter: drop-shadow(0 10px 34px rgba(0,0,0,.55)); }
.bn-loader__logo img { display: block; width: 290px; max-width: 70vw; }
.bn-loader__logo .shine {
  position: absolute; top: 0; left: 0; width: 55%; height: 100%; pointer-events: none;
  background: linear-gradient(100deg, transparent 32%, rgba(255,255,255,.40) 50%, transparent 68%);
  transform: translateX(-130%) skewX(-14deg);
  animation: bnSheen 2.4s ease-in-out infinite;
}
@keyframes bnSheen { 0% { transform: translateX(-130%) skewX(-14deg); } 55%, 100% { transform: translateX(240%) skewX(-14deg); } }

/* zarif dairesel spinner */
.bn-loader__ring {
  width: 38px; height: 38px; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0%, rgba(47,230,255,.15) 35%, var(--cyan) 92%, var(--cyan));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  animation: bnSpin .85s linear infinite;
}
@keyframes bnSpin { to { transform: rotate(360deg); } }

.bn-loader__txt { font-family: "JetBrains Mono", monospace; font-size: 12.5px; letter-spacing: .26em; text-transform: uppercase; color: #9fb4dd; }
.bn-dots::after { content: ""; animation: bnDots 1.4s steps(4) infinite; }
@keyframes bnDots { 0% { content: ""; } 25% { content: "."; } 50% { content: ".."; } 75% { content: "..."; } }

/* ekranın altında ince ilerleme çubuğu */
.bn-loader__bar { position: absolute; left: 0; bottom: 0; width: 100%; height: 3px; background: rgba(120,150,220,.12); overflow: hidden; }
.bn-loader__bar span { display: block; height: 100%; width: 0; background: var(--grad); box-shadow: 0 0 14px rgba(47,230,255,.7); animation: bnBar 1.9s cubic-bezier(.3,.1,.2,1) forwards; }
@keyframes bnBar { 0% { width: 0; } 60% { width: 76%; } 100% { width: 100%; } }

@media (prefers-reduced-motion: reduce) {
  .bn-loader__aurora i, .bn-loader__c, .bn-loader__logo .shine, .bn-loader__ring,
  .bn-loader__bar span, .bn-dots::after { animation: none; }
  .bn-loader__bar span { width: 100%; }
}

/* ============================================================
   Form modalları (Teklif Al / Proje Görüşmesi Başlat)
   ============================================================ */
.bn-modal {
  position: fixed; inset: 0; z-index: 120;
  display: none; align-items: flex-start; justify-content: center;
  padding: 5vh 18px; overflow-y: auto;
  background: rgba(3, 6, 16, .62); backdrop-filter: blur(6px);
}
.bn-modal.open { display: flex; }
.bn-modal__card {
  position: relative; width: 100%; max-width: 560px;
  background: linear-gradient(180deg, var(--panel-solid), #0a1126);
  border: 1px solid var(--stroke-strong); border-radius: var(--radius-lg);
  padding: 30px 30px 34px; box-shadow: 0 40px 100px rgba(0,0,0,.55);
  animation: bnModalIn .26s cubic-bezier(.2,.7,.3,1);
}
@keyframes bnModalIn { from { transform: translateY(18px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.bn-modal__close {
  position: absolute; top: 16px; right: 16px; width: 38px; height: 38px;
  border-radius: 10px; border: 1px solid var(--stroke-strong); background: rgba(8,12,28,.6);
  color: var(--text); font-size: 20px; cursor: pointer; line-height: 1;
}
.bn-modal__close:hover { border-color: var(--cyan); }
.bn-modal__eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-family: "JetBrains Mono", monospace;
  font-size: 12px; letter-spacing: .04em; color: var(--cyan);
  padding: 6px 12px; border: 1px solid var(--stroke-strong); border-radius: 100px; background: rgba(47,230,255,.06);
}
.bn-modal__card h2 { font-size: 23px; margin: 16px 0 6px; }
.bn-modal__sub { color: var(--muted); font-size: 14px; margin: 0 0 22px; line-height: 1.5; }
.bn-modal .form-grid { gap: 14px; }
.bn-modal .field label { font-size: 13px; }
.bn-modal .field input, .bn-modal .field textarea, .bn-modal .field select { padding: 12px 14px; font-size: 14.5px; }
.bn-modal .field textarea { min-height: 92px; }
.bn-modal .field.has-error input, .bn-modal .field.has-error textarea, .bn-modal .field.has-error select { border-color: #ff5a7a; }
.bn-modal .field .err-msg { color: #ff8da1; font-size: 12px; }
.bn-modal__submit {
  margin-top: 20px; width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--grad); color: #04203a; font-weight: 700; font-family: var(--font); font-size: 15px;
  border: 0; border-radius: 12px; padding: 15px; cursor: pointer; transition: filter .2s, transform .2s;
}
.bn-modal__submit:hover { filter: brightness(1.07); transform: translateY(-2px); }
.bn-modal__submit:disabled { opacity: .65; cursor: default; transform: none; }
.bn-modal__note { margin-top: 16px; font-size: 14px; padding: 12px 14px; border-radius: 10px; display: none; }
.bn-modal__note.show { display: block; }
.bn-modal__note.ok { background: rgba(74,222,128,.12); border: 1px solid rgba(74,222,128,.4); color: #9af0bd; }
.bn-modal__note.bad { background: rgba(255,90,122,.12); border: 1px solid rgba(255,90,122,.4); color: #ffb3c2; }
.bn-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 760px) { .bn-modal__card { padding: 26px 20px 28px; } }