:root {
  --bg: #07090d;
  --ink: #f2f5f8;
  --muted: #8b97a8;
  --line: rgba(255,255,255,0.08);
  --card: rgba(16, 22, 31, 0.82);
  --mint: #3dffb5;
  --mint-dim: rgba(61, 255, 181, 0.14);
  --blue: #7aa2ff;
  --warn: #ffcc66;
  --radius: 22px;
  --font: "Instrument Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

.noise {
  pointer-events: none;
  position: fixed; inset: 0; z-index: 0; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.orb {
  pointer-events: none;
  position: fixed; z-index: 0; border-radius: 50%;
  filter: blur(80px); opacity: 0.45;
}
.orb-a {
  width: 420px; height: 420px; top: -120px; left: -80px;
  background: radial-gradient(circle, #1a4d3f 0%, transparent 70%);
}
.orb-b {
  width: 380px; height: 380px; top: 20%; right: -100px;
  background: radial-gradient(circle, #1a2d55 0%, transparent 70%);
}

.shell {
  position: relative; z-index: 1;
  max-width: 980px; margin: 0 auto;
  padding: 20px 18px 40px;
}

.nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 28px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.02em; }
.logo-mark {
  width: 12px; height: 12px; border-radius: 4px;
  background: linear-gradient(135deg, var(--mint), #1ec98a);
  box-shadow: 0 0 20px rgba(61,255,181,0.45);
}
.nav-pill {
  font-size: 0.75rem; color: var(--muted);
  border: 1px solid var(--line); padding: 8px 12px; border-radius: 999px;
  background: rgba(255,255,255,0.02);
}

.stage { animation: rise 0.45s ease both; }
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
.hidden { display: none !important; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: center;
}
@media (max-width: 800px) {
  .hero-grid { grid-template-columns: 1fr; gap: 18px; }
}

.visual-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  overflow: hidden;
}
.visual-glow {
  position: absolute; inset: -20%;
  background: radial-gradient(circle at 50% 40%, rgba(61,255,181,0.18), transparent 55%);
}
.visual-core {
  position: absolute; inset: 0;
  display: grid; place-content: center; text-align: center; gap: 8px;
}
.product-glyph {
  font-size: 4.5rem; line-height: 1; color: var(--mint);
  text-shadow: 0 0 40px rgba(61,255,181,0.35);
}
.product-caption {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
}
.signal-chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 14px; }
.chip {
  font-size: 0.72rem; padding: 6px 10px; border-radius: 999px;
  border: 1px solid rgba(61,255,181,0.25);
  background: var(--mint-dim); color: var(--mint);
}
.chip-dim { color: var(--muted); border-color: var(--line); background: rgba(255,255,255,0.03); }

.eyebrow {
  margin: 0 0 8px; font-size: 0.78rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--mint);
}
h1 {
  margin: 0 0 12px; font-size: clamp(1.7rem, 4vw, 2.35rem);
  line-height: 1.1; letter-spacing: -0.03em;
}
h2 { margin: 0 0 14px; font-size: 1.6rem; letter-spacing: -0.02em; }
.lead { margin: 0 0 18px; color: var(--muted); line-height: 1.55; font-size: 1rem; }

.price-block {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 16px 0 6px; margin-bottom: 8px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.price { font-size: 2.4rem; font-weight: 700; letter-spacing: -0.04em; }
.price small { font-size: 0.9rem; color: var(--muted); font-weight: 500; }
.price-sub { color: var(--muted); font-size: 0.82rem; margin-top: 4px; }
.trust { display: grid; gap: 6px; font-size: 0.8rem; color: var(--muted); }
.trust-item span { color: var(--mint); margin-right: 6px; }

.field { display: block; margin: 16px 0 10px; }
.field span { display: block; font-size: 0.78rem; color: var(--muted); margin-bottom: 8px; }
input {
  width: 100%; padding: 14px 16px; border-radius: 14px;
  border: 1px solid var(--line); background: rgba(0,0,0,0.35);
  color: var(--ink); font: inherit;
}
input:focus {
  outline: none;
  border-color: rgba(61,255,181,0.45);
  box-shadow: 0 0 0 3px rgba(61,255,181,0.12);
}

.btn-buy {
  width: 100%; margin-top: 8px; border: 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 18px; border-radius: 16px; font: inherit; font-weight: 600;
  color: #04140f;
  background: linear-gradient(135deg, #6bffc8 0%, #2fe0a0 45%, #1dbf88 100%);
  box-shadow: 0 10px 40px rgba(45, 220, 150, 0.22);
}
.btn-buy:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-arrow { font-size: 1.2rem; }
.fineprint { color: var(--muted); font-size: 0.8rem; margin: 12px 0 0; }

.pay-layout {
  display: grid; grid-template-columns: 1.2fr 0.9fr; gap: 22px;
}
@media (max-width: 800px) { .pay-layout { grid-template-columns: 1fr; } }

.amount-panel {
  margin: 12px 0 14px; padding: 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(61,255,181,0.25);
  background:
    radial-gradient(circle at 30% 0%, rgba(61,255,181,0.12), transparent 50%),
    rgba(8, 14, 12, 0.9);
  text-align: center;
}
.amount-label { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.amount-value {
  margin: 8px 0 12px;
  font-family: var(--mono); font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3rem); letter-spacing: -0.03em;
}
.amount-unit { font-size: 1rem; color: var(--mint); margin-left: 6px; }
.copy-btn {
  border: 1px solid var(--line); background: rgba(255,255,255,0.04);
  color: var(--ink); border-radius: 999px; padding: 8px 14px;
  font: inherit; font-size: 0.85rem; cursor: pointer;
}
.pay-warn { color: var(--warn); font-size: 0.9rem; }

.info-card {
  border: 1px solid var(--line); border-radius: 16px;
  padding: 14px 16px; background: var(--card); margin-bottom: 12px;
}
.info-card.compact { margin: 16px 0; }
.row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 0; border-bottom: 1px solid var(--line);
  font-size: 0.88rem; color: var(--muted);
}
.row:last-child { border-bottom: 0; }
.row strong, .row code { color: var(--ink); font-weight: 600; }
.row code { font-family: var(--mono); font-size: 0.72rem; word-break: break-all; text-align: right; }
.side-note { color: var(--muted); font-size: 0.88rem; line-height: 1.5; }

.btn-secondary {
  width: 100%; margin-top: 8px; padding: 13px 16px; border-radius: 14px;
  border: 1px solid var(--line); background: rgba(255,255,255,0.03);
  color: var(--ink); font: inherit; font-weight: 600; cursor: pointer;
}
.btn-text {
  width: 100%; margin-top: 6px; border: 0; background: transparent;
  color: var(--muted); font: inherit; cursor: pointer; padding: 10px;
}

.done-panel { max-width: 420px; margin: 24px auto; text-align: center; }
.done-mark {
  width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%;
  display: grid; place-content: center; font-size: 1.6rem; color: #04140f;
  background: var(--mint); box-shadow: 0 0 40px rgba(61,255,181,0.35);
}

.foot {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-top: 34px; padding-top: 16px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.78rem;
}
.foot-dim { opacity: 0.7; }

.nav-links-mini { display: flex; align-items: center; gap: 12px; }
.nav-links-mini a { color: var(--muted); text-decoration: none; font-size: 0.88rem; }
.nav-links-mini a:hover { color: var(--ink); }

.visual-frame.has-photo {
  padding: 0;
  background: #0a0c10;
}
.product-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 28px;
}
.photo-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #04140f;
  background: var(--mint);
  padding: 6px 10px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

/* ---- Catalog (çoklu ürün vitrini) ---- */
.shell-wide { max-width: 1180px; }

.catalog-head { max-width: 640px; margin: 8px 0 30px; }
.catalog-head h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em; line-height: 1.12; margin: 0 0 10px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.product-card {
  display: block; text-align: left; width: 100%;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); overflow: hidden; cursor: pointer;
  font: inherit; color: inherit; padding: 0;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.product-card:hover { border-color: var(--mint); transform: translateY(-2px); }

.product-card-media {
  aspect-ratio: 4 / 3; background: #0a0c10;
  display: grid; place-content: center; overflow: hidden;
}
.product-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.product-card-placeholder {
  font-size: 2.4rem; color: var(--mint); opacity: 0.6;
}

.product-card-body { padding: 14px 16px 16px; }
.product-card-title {
  font-weight: 600; font-size: 0.98rem; margin-bottom: 6px;
  line-height: 1.3;
}
.product-card-price {
  font-family: var(--mono); font-weight: 700; font-size: 1.1rem;
  color: var(--ink); margin-bottom: 10px;
}
.product-card-price small { font-size: 0.72rem; color: var(--muted); font-weight: 500; }
.product-card-badges { display: flex; flex-wrap: wrap; gap: 6px; }

.back-link { text-align: left; padding-left: 0; margin-bottom: 14px; }

.product-placeholder {
  width: 100%; height: 100%; min-height: 260px;
  display: grid; place-content: center; font-size: 3.5rem;
  color: var(--mint); opacity: 0.5;
}