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

:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --cta: #238636;
  --cta-hover: #2ea043;
  --border: #30363d;
  --error: #f85149;
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.lang-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
}

.lang-toggle:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* Main */
.main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 480px;
}

.pitch {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.form-group input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input.invalid {
  border-color: var(--error);
}

.error-msg {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 0.25rem;
  display: none;
}

.error-msg.visible {
  display: block;
}

.cta {
  display: block;
  width: 100%;
  padding: 0.75rem;
  margin-top: 1.5rem;
  background: var(--cta);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.cta:hover {
  background: var(--cta-hover);
}

.cta:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Status messages */
.status-banner {
  text-align: center;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  display: none;
  word-break: break-word;
}

.status-banner.success {
  background: rgba(35, 134, 54, 0.15);
  border: 1px solid var(--cta);
  color: var(--cta-hover);
}

.status-banner.cancelled {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
}

/* Footer */
.footer {
  text-align: center;
  padding: 1rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 540px) {
  .header {
    padding: 0.75rem 1rem;
  }

  .main {
    padding: 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .pitch {
    font-size: 1.25rem;
  }

  .price {
    font-size: 2rem;
  }
}