:root {
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --card: #161616;
  --card-hover: #1d1d1d;
  --border: #2a2a2a;
  --text: #f2f2f2;
  --muted: #8f8f8f;
  --accent: #ffffff;
  --accent-2: #bdbdbd;
  --accent-grad: linear-gradient(135deg, #ffffff 0%, #9c9c9c 100%);
  --radius: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(600px 400px at 15% -10%, rgba(255, 255, 255, 0.06), transparent 60%),
    radial-gradient(700px 500px at 90% 10%, rgba(255, 255, 255, 0.04), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ---------- иконки ---------- */

.svg-icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.125em;
  flex-shrink: 0;
}

/* ---------- шапка ---------- */

header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 10, 0.8);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 21px;
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 0.5px;
}

.logo .svg-icon { font-size: 22px; }

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 10px;
  transition: color .2s, background .2s;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--card);
}

/* ---------- герой ---------- */

.hero {
  text-align: center;
  padding: 90px 0 70px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero h1 .grad {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--muted);
  font-size: 18px;
  max-width: 620px;
  margin: 0 auto 32px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

/* ---------- кнопки ---------- */

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s, opacity .2s;
}

.btn-primary {
  background: #ffffff;
  color: #0a0a0a;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.12);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(255, 255, 255, 0.2); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.btn-ghost {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover { background: var(--card-hover); border-color: #3d3d3d; }

/* ---------- как это работает ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  padding-bottom: 70px;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}

.step .num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #0a0a0a;
  background: #ffffff;
  margin-bottom: 16px;
}

.step h4 { font-size: 16px; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14px; }

/* ---------- карточки услуг ---------- */

.section-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.section-sub {
  color: var(--muted);
  margin-bottom: 32px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  padding-bottom: 80px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-decoration: none;
  color: var(--text);
  transition: transform .2s, border-color .2s, background .2s;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  border-color: #5a5a5a;
  background: var(--card-hover);
}

.card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text);
}

.card h3 { font-size: 19px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14px; }

.card .tag {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.tag-live { background: rgba(255, 255, 255, 0.08); color: var(--text); border: 1px solid #3d3d3d; }
.tag-soon { background: transparent; color: var(--muted); border: 1px solid var(--border); }

/* ---------- формы ---------- */

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 560px;
  margin: 0 auto 60px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 8px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color .2s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: #6e6e6e;
}

.form-hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* ---------- статусы и сообщения ---------- */

.alert {
  padding: 16px 18px;
  border-radius: 12px;
  font-size: 14px;
  margin-bottom: 20px;
  display: none;
  word-break: break-all;
}

.alert.show { display: block; }
.alert-success { background: rgba(255, 255, 255, 0.07); border: 1px solid #4a4a4a; color: var(--text); }
.alert-error { background: rgba(255, 255, 255, 0.03); border: 1px dashed #5a5a5a; color: var(--accent-2); }

.status-pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.status-pending { color: var(--muted); background: transparent; }
.status-processing { color: var(--text); background: rgba(255, 255, 255, 0.06); border-color: #3d3d3d; }
.status-completed { color: #0a0a0a; background: #ffffff; border-color: #ffffff; }
.status-cancelled { color: #5f5f5f; background: transparent; text-decoration: line-through; }

/* ---------- таблица (админка) ---------- */

.table-wrap {
  overflow-x: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 60px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }

th, td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--card-hover); }

td .mono, .mono { font-family: Consolas, monospace; font-size: 12px; color: var(--muted); }

.mini-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
  margin-right: 6px;
  transition: border-color .2s, background .2s;
}

.mini-btn:hover { border-color: #6e6e6e; }
.mini-btn.green:hover { background: #ffffff; color: #0a0a0a; border-color: #ffffff; }
.mini-btn.red:hover { border-color: #6e6e6e; color: var(--muted); }

/* ---------- документация API ---------- */

.doc-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 24px;
}

.doc-block h3 {
  font-size: 17px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.method {
  font-size: 12px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 6px;
  font-family: Consolas, monospace;
}

.m-get { background: rgba(255, 255, 255, 0.1); color: var(--text); }
.m-post { background: #ffffff; color: #0a0a0a; }
.m-patch { background: transparent; color: var(--text); border: 1px solid #4a4a4a; }
.m-delete { background: transparent; color: var(--muted); border: 1px dashed #4a4a4a; }

pre {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  overflow-x: auto;
  font-family: Consolas, monospace;
  font-size: 13px;
  color: #d4d4d4;
  margin-top: 12px;
}

.doc-block p { color: var(--muted); font-size: 14px; }
.doc-block code { color: var(--text); }

/* ---------- заглушка ---------- */

.stub {
  text-align: center;
  padding: 100px 20px;
}

.stub .icon-big { font-size: 64px; margin-bottom: 24px; }
.stub h2 { font-size: 30px; margin-bottom: 12px; }
.stub p { color: var(--muted); max-width: 480px; margin: 0 auto 32px; }

/* ---------- подвал ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  position: relative;
  z-index: 1;
}

footer a { color: var(--muted); }

.page-head { padding: 60px 0 30px; text-align: center; }
.page-head h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.page-head h1 .svg-icon { font-size: 0.9em; }
.page-head p { color: var(--muted); }

@media (max-width: 640px) {
  .nav-links a { padding: 8px 8px; font-size: 13px; }
  .hero { padding: 60px 0 40px; }
}