/* ofkeli.tr */
:root {
  --zemin: #0b0f17;
  --zemin-2: #111827;
  --kart: rgba(255, 255, 255, .04);
  --cizgi: rgba(255, 255, 255, .09);
  --metin: #e6e9ef;
  --soluk: #9aa3b2;
  --vurgu: #38bdf8;
  --vurgu-2: #a78bfa;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-snap-type: y proximity; }
body {
  margin: 0; background: var(--zemin); color: var(--metin);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.02em; }
.vurgu {
  background: linear-gradient(90deg, var(--vurgu), var(--vurgu-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ik { width: 1.4em; height: 1.4em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Üst menü ---------- */
.ust {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(16px, 5vw, 64px);
  background: rgba(11, 15, 23, .65); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cizgi);
}
.logo { font-family: "JetBrains Mono", monospace; font-weight: 600; font-size: 18px; }
.logo .k { color: var(--soluk); }
.logo .nokta { color: var(--vurgu); }
.ust nav { display: flex; align-items: center; gap: clamp(14px, 3vw, 32px); font-size: 15px; }
.ust nav a { color: var(--soluk); transition: color .2s; }
.ust nav a:hover { color: var(--metin); }
.ust nav .btn-kucuk { color: var(--metin); border: 1px solid var(--cizgi); padding: 7px 16px; border-radius: 999px; }
.ust nav .btn-kucuk:hover { border-color: var(--vurgu); }
@media (max-width: 520px) { .ust nav a:not(.btn-kucuk) { display: none; } }

/* ---------- Tam ekran bölümler ---------- */
.ekran {
  position: relative; min-height: 100vh; min-height: 100svh; scroll-snap-align: start;
  display: flex; align-items: center; justify-content: center;
  padding: 110px clamp(16px, 5vw, 64px) 70px; overflow: hidden;
}
.ekran + .ekran { border-top: 1px solid var(--cizgi); }
.ic { width: 100%; max-width: 1120px; position: relative; z-index: 2; }
.ic.gizli { opacity: 0; transform: translateY(24px); }
.ic.gorundu { opacity: 1; transform: none; transition: opacity .8s ease, transform .8s ease; }
.bolum-no { font-family: "JetBrains Mono", monospace; color: var(--vurgu); font-size: 14px; margin: 0 0 14px; }
h2 { font-size: clamp(32px, 5vw, 56px); font-weight: 800; margin-bottom: 40px; }
.alt { color: var(--soluk); font-size: clamp(17px, 1.6vw, 20px); max-width: 620px; margin: 24px 0 0; }

/* ---------- Giriş ---------- */
.giris h1 { font-size: clamp(40px, 7.4vw, 92px); font-weight: 800; }
.izgara {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--cizgi) 1px, transparent 1px), linear-gradient(90deg, var(--cizgi) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 20%, transparent 75%);
}
.isik {
  position: absolute; width: 60vmax; height: 60vmax; border-radius: 50%;
  top: -20vmax; right: -15vmax; filter: blur(80px); opacity: .35;
  background: radial-gradient(circle, var(--vurgu-2), transparent 60%);
  animation: suzul 14s ease-in-out infinite alternate;
}
.isik-2 { top: auto; bottom: -25vmax; left: -15vmax; right: auto; background: radial-gradient(circle, var(--vurgu), transparent 60%); }
@keyframes suzul { to { transform: translate(-6vmax, 6vmax) scale(1.1); } }
.etiket {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 26px;
  font-size: 14px; color: var(--soluk); border: 1px solid var(--cizgi); background: var(--kart);
  padding: 6px 14px; border-radius: 999px;
}
.yesil { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 0 4px rgba(34, 197, 94, .18); }
.dugmeler { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; padding: 14px 26px; border-radius: 12px;
  font-weight: 600; background: linear-gradient(90deg, var(--vurgu), var(--vurgu-2)); color: #0b0f17;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -10px var(--vurgu); }
.btn-ikincil { background: transparent; color: var(--metin); border: 1px solid var(--cizgi); }
.btn-ikincil:hover { border-color: var(--soluk); box-shadow: none; }
.kod {
  margin: 48px 0 0; padding: 20px 24px; max-width: 520px; overflow-x: auto;
  font-family: "JetBrains Mono", monospace; font-size: 14px; line-height: 1.7; color: var(--soluk);
  background: rgba(17, 24, 39, .7); border: 1px solid var(--cizgi); border-radius: 14px;
}
.kod .c1 { color: var(--vurgu-2); }
.kod .s { color: #86efac; }
.asagi {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 2;
  width: 26px; height: 42px; border: 2px solid var(--cizgi); border-radius: 14px;
}
.asagi span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--soluk); animation: kaydir 1.8s infinite; }
@keyframes kaydir { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(14px); } }
@media (max-height: 700px) { .kod { display: none; } }

/* ---------- Hizmetler ---------- */
.kartlar { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.kart {
  padding: 28px; border-radius: 18px; background: var(--kart); border: 1px solid var(--cizgi);
  transition: border-color .25s, transform .25s, background .25s;
}
.kart:hover { border-color: rgba(56, 189, 248, .45); transform: translateY(-4px); background: rgba(255, 255, 255, .06); }
.kart .ik { color: var(--vurgu); width: 34px; height: 34px; margin-bottom: 20px; }
.kart h3 { font-size: 20px; margin-bottom: 10px; }
.kart p { margin: 0; color: var(--soluk); font-size: 15px; }

/* ---------- Projeler ---------- */
.projeler { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.proje {
  display: flex; flex-direction: column; border-radius: 18px; overflow: hidden;
  background: var(--kart); border: 1px solid var(--cizgi); transition: border-color .25s, transform .25s;
}
.proje:hover { border-color: rgba(167, 139, 250, .5); transform: translateY(-4px); }
.proje img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #fff; transition: transform .5s; }
.proje:hover img { transform: scale(1.04); }
.proje-yazi { padding: 22px 24px 24px; position: relative; background: var(--zemin-2); }
.proje h3 { font-size: 20px; margin-bottom: 6px; }
.proje p { margin: 0 0 14px; color: var(--soluk); font-size: 15px; }
.adres { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--vurgu); }

/* ---------- İletişim ---------- */
.iletisim { flex-direction: column; }
.iletisim .ic { margin: auto 0; }
.iletisim h2 { margin-bottom: 0; }
.mailler { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.mail {
  display: inline-flex; align-items: center; gap: 14px; padding: 18px 24px; border-radius: 14px;
  background: var(--kart); border: 1px solid var(--cizgi); font-size: clamp(16px, 2vw, 20px); font-weight: 600;
  transition: border-color .25s, transform .25s; max-width: 100%;
}
.mail span { overflow-wrap: anywhere; }
.mail .ik { color: var(--vurgu); }
.mail:hover { border-color: var(--vurgu); transform: translateY(-2px); }
.alt-bilgi { position: relative; z-index: 2; width: 100%; max-width: 1120px; margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--cizgi); color: var(--soluk); font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .ic.gizli { opacity: 1; transform: none; }
}