:root {
  --bg: #0b0f17;
  --bg-2: #10161f;
  --card: #141b26;
  --line: #222c3b;
  --text: #e8edf4;
  --muted: #95a2b5;
  --accent: #f5a524;
  --accent-2: #2dd4bf;
  --live: #34d399;
  --beta: #a78bfa;
  --radius: 16px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.wrap { width: min(1140px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #111; padding: 8px 12px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* Üst bar */
.top {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.top.scrolled { border-bottom-color: var(--line); }
.top-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.logo svg { width: 28px; height: 28px; color: var(--accent); }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--muted); font-size: .95rem; transition: color .15s; }
.nav a:hover { color: var(--text); }
.top-act { display: flex; align-items: center; gap: 8px; }
.lang {
  font: 600 .8rem var(--mono); color: var(--text); background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; cursor: pointer;
}
.lang:hover { border-color: var(--accent); }
.menu { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; padding: 10px; }
.menu span { display: block; height: 2px; background: var(--text); margin: 5px 0; transition: transform .2s; }
.menu[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* Düğmeler */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: .95rem;
  text-decoration: none; border: 1px solid transparent; transition: transform .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: #1a1205; }
.btn.primary:hover { background: #ffb840; }
.btn.ghost { border-color: var(--line); background: var(--card); }
.btn.ghost:hover { border-color: var(--accent); }
.btn.big { font-size: 1.1rem; padding: 16px 28px; }

.eyebrow { font: 600 .78rem var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--accent); margin-bottom: 14px; }

/* Giriş */
.hero { position: relative; padding: clamp(72px, 12vw, 140px) 0 clamp(64px, 9vw, 110px); overflow: hidden; }
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 10%, transparent 75%);
  opacity: .55;
}
.hero::after {
  content: ""; position: absolute; width: 520px; height: 520px; right: -120px; top: -160px; pointer-events: none;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, transparent), transparent 65%);
  filter: blur(20px);
}
.hero-in { position: relative; z-index: 1; }
.hero h1 { font-size: clamp(2.4rem, 7vw, 4.8rem); font-weight: 800; max-width: 17ch; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 60ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 56px; }
.stats { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 16px 48px; }
.stats li { display: flex; flex-direction: column; }
.stats b { font: 700 2rem var(--mono); color: var(--text); letter-spacing: -.03em; }
.stats span { color: var(--muted); font-size: .9rem; }

/* Bölümler */
.sec { padding: clamp(64px, 9vw, 112px) 0; }
.sec.alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.sec-h { margin-bottom: 40px; }
.sub { color: var(--muted); max-width: 56ch; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.tag { display: inline-flex; align-items: center; gap: 6px; font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .1em; padding: 4px 10px; border-radius: 99px; margin-bottom: 12px; }
.tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tag.live { color: var(--live); background: color-mix(in srgb, var(--live) 12%, transparent); }
.tag.live::before { animation: pulse 2s infinite; }
.tag.beta { color: var(--beta); background: color-mix(in srgb, var(--beta) 12%, transparent); }
@keyframes pulse { 50% { opacity: .3; } }
.chips, .stack { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li, .stack li { font: 500 .78rem var(--mono); color: var(--muted); border: 1px solid var(--line); border-radius: 8px; padding: 4px 9px; }

/* Öne çıkan proje */
.feat {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 0; align-items: stretch;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 24px;
}
.feat-img { position: relative; min-height: 280px; }
.feat-img img { width: 100%; height: 100%; object-fit: cover; }
.feat-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 60%, var(--card)); }
.feat-txt { padding: clamp(24px, 3.5vw, 40px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.feat-txt h3 { font-size: 2rem; }
.feat-txt p { color: var(--muted); }

.cards2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.proj { display: grid; grid-template-columns: 150px 1fr; gap: 24px; align-items: start; }
.proj p { color: var(--muted); }
.phone { border-radius: 22px; overflow: hidden; border: 4px solid #2a3344; aspect-ratio: 600 / 1100; }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }

/* RemoteDesk çizimi */
.rd { border: 1px solid var(--line); border-radius: 12px; background: #0e141d; overflow: hidden; aspect-ratio: 150 / 275; display: flex; flex-direction: column; }
.rd-win { display: flex; gap: 5px; padding: 8px; border-bottom: 1px solid var(--line); }
.rd-win i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.rd-win i:first-child { background: #f87171; }
.rd-screen { position: relative; flex: 1; padding: 14px 10px; background: linear-gradient(160deg, #13304a, #0e141d 70%); }
.rd-line { height: 6px; border-radius: 3px; background: color-mix(in srgb, var(--accent-2) 35%, transparent); margin-bottom: 8px; width: 80%; }
.rd-line.s { width: 50%; } .rd-line.m { width: 65%; }
.rd-cursor { position: absolute; width: 12px; height: 12px; border-left: 2px solid var(--text); border-top: 2px solid var(--text); transform: rotate(-12deg); left: 30%; top: 55%; animation: cur 6s ease-in-out infinite; }
@keyframes cur { 0%,100% { left: 30%; top: 55%; } 35% { left: 65%; top: 40%; } 70% { left: 45%; top: 75%; } }
.rd-link { display: flex; align-items: center; gap: 6px; padding: 8px; font: .62rem var(--mono); color: var(--muted); border-top: 1px solid var(--line); }
.rd-link span { width: 6px; height: 6px; border-radius: 50%; background: var(--live); animation: pulse 2s infinite; }

/* Hizmetler */
.svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc .card { transition: border-color .2s, transform .2s; }
.svc .card:hover { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); transform: translateY(-2px); }
.svc p { color: var(--muted); font-size: .95rem; margin: 0; }
.ic { width: 40px; height: 40px; padding: 8px; border-radius: 10px; margin-bottom: 16px; background: color-mix(in srgb, var(--accent) 12%, transparent); stroke: var(--accent); fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* Hakkımda */
.about { display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px; align-items: start; }
.about h2 { max-width: 17ch; }
.about-txt p { color: var(--muted); font-size: 1.05rem; }
.stack { margin-top: 24px; }

/* İletişim */
.contact { text-align: center; position: relative; overflow: hidden; }
.contact::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 700px; height: 400px; translate: -50% -50%; pointer-events: none;
  background: radial-gradient(ellipse, color-mix(in srgb, var(--accent) 14%, transparent), transparent 65%);
}
.contact-in { position: relative; display: flex; flex-direction: column; align-items: center; }
.contact .lead { margin-bottom: 32px; }

.foot { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .9rem; }
.foot-in { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.foot nav { display: flex; gap: 20px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text); }

/* Görünür olunca beliren öğeler (yalnız JS çalışıyorsa) */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s; }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .feat { grid-template-columns: 1fr; }
  .feat-img { min-height: 0; aspect-ratio: 1200 / 698; }
  .feat-img::after { background: linear-gradient(180deg, transparent 60%, var(--card)); }
  .cards2 { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr 1fr; }
  .about { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 720px) {
  .menu { display: block; }
  .top-act { margin-left: auto; }
  .nav {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .svc { grid-template-columns: 1fr; }
  .proj { grid-template-columns: 110px 1fr; gap: 16px; padding: 18px; }
}
@media (max-width: 420px) {
  .proj { grid-template-columns: 1fr; }
  .phone, .rd { max-width: 160px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Ağ kartındaki teknoloji etiketleri */
.svc .chips.net { margin: 14px 0 0; gap: 6px; }
.svc .chips.net li { font-size: .7rem; padding: 3px 7px; }