:root {
  --bg: #0b0b12;
  --bg-alt: #12121c;
  --fg: #ececf4;
  --muted: #9a9ab0;
  --accent: #7c5cff;
  --accent-2: #2fd3c5;
  --line: #24243a;
  --radius: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }

.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(11, 11, 18, .8); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo { font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; }
.logo span { color: var(--accent); }
.nav nav { display: flex; align-items: center; gap: 20px; font-size: .95rem; }
.nav nav a:not(.btn) { color: var(--muted); }
.nav nav a:not(.btn):hover { color: var(--fg); }

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 600;
  transition: transform .15s, opacity .15s;
}
.btn:hover { transform: translateY(-1px); opacity: .92; }
.btn-small { padding: 8px 16px; font-size: .9rem; }
.btn-ghost { background: transparent; border: 1px solid var(--line); }

.hero { position: relative; min-height: 86vh; display: grid; place-items: center; overflow: hidden; }
#splat-bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner { position: relative; max-width: 860px; padding: 0 16px; text-align: center; }
.eyebrow { color: var(--accent-2); text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 600; }
h1 { font-size: clamp(2rem, 5.5vw, 3.6rem); line-height: 1.1; letter-spacing: -.03em; margin: .3em 0; }
h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 640px; margin: 0 auto 2rem; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.section { padding: 88px clamp(16px, 4vw, 48px); max-width: 1120px; margin: 0 auto; }
.section.alt { max-width: none; background: var(--bg-alt); }
.section.alt > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
.section.center { text-align: center; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); letter-spacing: -.02em; margin: 0 0 1.5rem; }

.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.steps li, .cards article { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.section.alt .cards article { background: var(--bg); }
.steps span { color: var(--accent); font-weight: 700; font-family: ui-monospace, monospace; }
.steps h3, .cards h3 { margin: .4em 0; }
.steps p, .cards p, .cards li { color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.pricing .featured { border-color: var(--accent); }
.price { font-size: 1.8rem; font-weight: 700; color: var(--fg) !important; margin: .2em 0; }
.cards ul { padding-left: 18px; margin: 0; }
.note { color: var(--muted); font-style: italic; }

.footer { padding: 32px 16px; text-align: center; color: var(--muted); border-top: 1px solid var(--line); font-size: .9rem; }

@media (max-width: 640px) {
  .nav nav a:not(.btn) { display: none; }
}

/* ---------------------------------------------------------------------------
   Uygulama sayfaları (giriş, panel, proje)
   --------------------------------------------------------------------------- */
:root { --ok: #3ccf8e; --warn: #f5b84b; --err: #ff6b6b; --input: #0f0f18; }
[hidden] { display: none !important; }

.uygulama { min-height: 100vh; display: flex; flex-direction: column; }
.uygulama h1 { font-size: clamp(1.5rem, 4vw, 2rem); letter-spacing: -.02em; margin: 0; }
.uygulama h2 { font-size: 1.2rem; margin: 0 0 .75rem; }
.icerik { width: 100%; max-width: 920px; margin: 0 auto; padding: 32px 16px 64px; }
.kart-sayfa { flex: 1; display: grid; place-items: center; padding: 32px 16px; }
.kart { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin: 20px 0; }
.kart-sayfa .kart { width: 100%; max-width: 420px; margin: 0; }

.sekmeler { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; background: var(--bg); padding: 4px; border-radius: 999px; margin-bottom: 20px; }
.sekmeler button { background: none; border: 0; color: var(--muted); padding: 10px; border-radius: 999px; font: inherit; font-weight: 600; cursor: pointer; }
.sekmeler button[aria-selected="true"] { background: var(--accent); color: #fff; }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-size: .92rem; font-weight: 600; }
.form input, .form textarea, .kamera-satir input[type=file], .ek input[type=file] {
  width: 100%; background: var(--input); color: var(--fg); border: 1px solid var(--line);
  border-radius: 10px; padding: 11px 12px; font: inherit; font-weight: 400;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form .btn, .satir .btn { border: 0; cursor: pointer; font: inherit; font-weight: 600; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-ghost { color: var(--fg); }
.tehlike { color: var(--err); border-color: color-mix(in srgb, var(--err) 40%, transparent); }
.ince { color: var(--muted); font-weight: 400; font-size: .88rem; margin: 0; }
.baglanti { background: none; border: 0; color: var(--muted); font: inherit; font-size: .9rem; cursor: pointer; text-decoration: underline; justify-self: start; padding: 0; }
.iki-sutun { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.satir { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

.uyari { border-radius: 10px; padding: 12px 14px; margin: 0 0 16px; font-size: .93rem; border: 1px solid; }
.uyari-bilgi { border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.uyari-basari { border-color: color-mix(in srgb, var(--ok) 50%, transparent); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.uyari-uyari { border-color: color-mix(in srgb, var(--warn) 50%, transparent); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.uyari-hata { border-color: color-mix(in srgb, var(--err) 50%, transparent); background: color-mix(in srgb, var(--err) 12%, transparent); }

.kullanici { display: flex; align-items: center; gap: 12px; font-size: .9rem; min-width: 0; }
.kullanici-ad { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 40vw; }
.kullanici .btn { border: 1px solid var(--line); cursor: pointer; font: inherit; }

.baslik-satir { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.geri { color: var(--muted); font-size: .9rem; display: inline-block; margin-bottom: 12px; }
.geri:hover { color: var(--fg); }

.proje-listesi { display: grid; gap: 12px; }
.proje-kart { display: block; background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; transition: border-color .15s; }
.proje-kart:hover { border-color: var(--accent); }
.proje-ust { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.proje-ust h3 { margin: 0 0 4px; font-size: 1.05rem; overflow-wrap: anywhere; }
.bos { text-align: center; padding: 48px 16px; border: 1px dashed var(--line); border-radius: var(--radius); }

.rozet { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: .78rem; font-weight: 700; background: var(--line); white-space: nowrap; }
.d-kuyruk { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
.d-isleniyor { background: color-mix(in srgb, var(--accent) 25%, transparent); color: #b6a5ff; }
.d-tamam { background: color-mix(in srgb, var(--ok) 22%, transparent); color: var(--ok); }
.d-hata { background: color-mix(in srgb, var(--err) 22%, transparent); color: var(--err); }

.adimlar { list-style: none; padding: 0; margin: 8px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; counter-reset: adim; }
.adimlar li { counter-increment: adim; font-size: .82rem; color: var(--muted); padding-top: 10px; border-top: 3px solid var(--line); }
.adimlar li::before { content: counter(adim) ". "; }
.adimlar li.bitti { border-color: var(--ok); color: var(--fg); }
.adimlar li.simdi { border-color: var(--accent); color: var(--fg); font-weight: 700; }

.kamera-listesi { display: grid; gap: 10px; margin-top: 14px; }
.kamera-satir { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.kamera-satir progress { grid-column: 2 / -1; width: 100%; accent-color: var(--accent); }
.dosya-ad { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.ek { margin-top: 16px; }
.ek summary { cursor: pointer; color: var(--muted); }
.ek > * + * { margin-top: 10px; }
.dosya-listesi { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.dosya-listesi li { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); min-width: 0; }
.onizleme-video { width: 100%; border-radius: 10px; background: #000; margin-bottom: 16px; }

@media (max-width: 640px) {
  .iki-sutun { grid-template-columns: 1fr; }
  .kamera-satir { grid-template-columns: 1fr auto; }
  .kamera-satir strong { grid-column: 1 / -1; }
  .adimlar { grid-template-columns: repeat(2, 1fr); }
  .kullanici-ad { display: none; }
}
.form label > span .ince { font-size: .82rem; }
.iki-sutun { align-items: end; }