@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@600;700;800&display=swap');

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

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --bg-input: #1a1a2e;
  --accent: #f5a623;
  --accent-hover: #e6951a;
  --accent-glow: rgba(245, 166, 35, 0.15);
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b80;
  --border: #2a2a4a;
  --border-focus: #f5a623;
  --success: #22c55e;
  --error: #ef4444;
  --white: #ffffff;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

html { scroll-behavior: smooth; }

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

/* ── Header ── */
.header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span { color: var(--text-primary); }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 4rem 2rem 3rem;
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
}

/* ── Container ── */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

/* ── Card ── */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.card-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* ── Form ── */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-group label .required {
  color: var(--accent);
  margin-left: 2px;
}

input, select, textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder { color: var(--text-muted); }

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a0a0b0' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ── Row (2 cols) ── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Preis-Anzeige ── */
.price-display {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1.5rem 0;
  display: none;
}

.price-display.visible { display: block; }

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.price-row:last-child { margin-bottom: 0; }

.price-row.total {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  font-weight: 600;
  font-size: 1.125rem;
}

.price-row.total .price-value {
  color: var(--accent);
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
}

.price-label { color: var(--text-secondary); }
.price-value { color: var(--text-primary); }

/* ── Zahlungsart ── */
.payment-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.payment-option {
  position: relative;
  cursor: pointer;
}

.payment-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.payment-option .option-card {
  padding: 1rem;
  background: var(--bg-input);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.2s;
}

.payment-option input:checked + .option-card {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.payment-option .option-card:hover {
  border-color: var(--text-muted);
}

.option-icon {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.option-label {
  font-weight: 600;
  font-size: 0.875rem;
}

.option-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.125rem;
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.875rem 1.5rem;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius);
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
  letter-spacing: -0.01em;
}

.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-loading::after {
  content: '';
  width: 1rem;
  height: 1rem;
  margin-left: 0.5rem;
  border: 2px solid var(--bg-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Alerts ── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: none;
}

.alert.visible { display: block; }
.alert-error { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); color: #fca5a5; }
.alert-success { background: rgba(34, 197, 94, 0.15); border: 1px solid rgba(34, 197, 94, 0.3); color: #86efac; }

/* ── Object Info ── */
.object-info {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: none;
}

.object-info.visible { display: block; }
.object-info strong { color: var(--text-primary); }

/* ── Section Divider ── */
.section-divider {
  margin: 1.75rem 0;
  border: none;
  border-top: 1px solid var(--border);
}

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

/* ── Cancelled Banner ── */
.cancelled-banner {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 1.5rem;
  display: none;
}

.cancelled-banner.visible { display: block; }

/* ── Steps ── */
.steps {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
  padding: 0 1rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.step.active .step-number {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.step-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

.step.active .step-label { color: var(--text-primary); }

@media (max-width: 480px) {
  .steps { gap: 1rem; }
  .hero { padding: 2.5rem 1.5rem 2rem; }
  .container { padding: 0 1rem 3rem; }
  .card { padding: 1.5rem; }
}