:root {
  --bg: #0b1220;
  --panel: #111a2b;
  --panel-2: #162238;
  --text: #ffffff;
  --muted: #b8c2d6;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #d4af37;
  --accent-hover: #e6c65a;
  --max: 1180px;
  --radius: 20px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.container-center {
  display: flex;
  justify-content: center;
}

.page-center {
  min-height: 100vh;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 16px;
}

.logo {
  width: min(100%, 260px);
  height: auto;
  margin: 0 auto 20px;
}

.headline {
  font-size: 1.8rem;
  margin: 0 0 6px;
}

.subheadline {
  font-size: 1.05rem;
  color: #ccc;
  margin: 0 0 24px;
}

.lead {
  color: var(--muted);
  margin: 0 0 30px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.selector-card {
  max-width: 420px;
  width: 100%;
  padding: 32px 24px;
  margin: 0 auto;
}

label {
  display: block;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 700;
  color: #dbe4f7;
  margin-bottom: 8px;
}

select,
input,
textarea,
button {
  width: 100%;
  padding: 14px;
  margin-bottom: 15px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 1rem;
  font: inherit;
}

select,
input,
textarea {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
}

select:disabled,
input:disabled,
textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
  appearance: none;
}

button:hover {
  background: var(--accent-hover);
}

@media (max-width: 640px) {
  .selector-card {
    padding: 24px 18px;
  }

  .headline {
    font-size: 1.55rem;
  }

  .subheadline {
    font-size: 1rem;
  }

  .logo {
    width: min(100%, 220px);
  }
}