* { box-sizing: border-box; }
html, body { margin: 0; background: #0e1014; color: #f3efe6; font-family: "Segoe UI", Arial, sans-serif; }
a { color: inherit; }
.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 28px 64px; border-bottom: 1px solid #242833;
}
.brand { font-weight: 800; font-size: 18px; text-decoration: none; letter-spacing: .04em; }
nav { display: flex; gap: 28px; }
nav a { text-decoration: none; color: #b7b2a8; font-weight: 650; }
nav a:hover { color: #f5c518; }
main { width: min(1180px, calc(100% - 128px)); margin: 0 auto; padding: 72px 0 120px; }
.hero { margin-bottom: 88px; max-width: 720px; }
.eyebrow { margin: 0 0 16px; color: #f5c518; letter-spacing: .18em; text-transform: uppercase; font-size: 13px; font-weight: 700; }
h1 { margin: 0 0 20px; font-size: 64px; line-height: 1.02; font-weight: 750; }
h2 { margin: 0 0 12px; font-size: 32px; }
.hero p, .section-lead, .help, .doc p, .doc li { color: #c8c2b6; font-size: 18px; line-height: 1.6; }
section { margin-top: 96px; }
.catalog {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 56px 28px;
  margin-top: 36px;
}
.card { text-decoration: none; display: grid; gap: 14px; }
.card img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 18px; background: #141820; display: block;
}
.card .name { font-size: 18px; font-weight: 750; }
.card .line { color: #8d887e; font-size: 14px; margin-top: -8px; }
.card.picked img { outline: 2px solid #f5c518; outline-offset: 4px; }
#kurulum form { display: grid; gap: 22px; max-width: 640px; margin-top: 36px; }
label { display: grid; gap: 10px; font-weight: 700; }
input, textarea {
  width: 100%; border: 1px solid #2c3140; background: #161922; color: #fff;
  border-radius: 14px; padding: 16px 18px; font: inherit;
}
.actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
button, .actions a {
  border: 0; background: #f5c518; color: #15140f; font: inherit; font-weight: 800;
  border-radius: 999px; padding: 14px 22px; text-decoration: none; cursor: pointer;
}
button:disabled { opacity: .4; cursor: not-allowed; }
.actions a { background: transparent; color: #f3efe6; border: 1px solid #3a4150; }
code { color: #f5c518; }
.doc { display: grid; gap: 28px; max-width: 760px; }
.doc h2 { margin-top: 28px; }
.doc ul, .doc ol { margin: 0; padding-left: 22px; display: grid; gap: 8px; }
@media (max-width: 1100px) {
  .catalog { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  main { width: min(1180px, calc(100% - 48px)); }
  .top { padding: 20px 24px; }
  h1 { font-size: 44px; }
}
@media (max-width: 720px) {
  .catalog { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 16px; }
}
