*, *::before, *::after { box-sizing: border-box; }
:root {
  --bg: #fafaf7;
  --ink: #0a0a0a;
  --accent: #ff5b04;
  --accent-soft: #ffe9dc;
  --muted: #6b6b6b;
  --card: #ffffff;
  --border: #e5e5e1;
  --success: #16a34a;
  --error: #dc2626;
}
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  min-height: 100vh;
}
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.logo { font-size: 1.3rem; font-weight: 700; }
.logo span { color: var(--accent); margin-left: 0.2em; }
.back { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.back:hover { color: var(--accent); }

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}
.hero { margin-bottom: 2.5rem; }
h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin: 0 0 0.8rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}
.lead {
  font-size: 1.15rem;
  margin: 0;
  color: var(--ink);
  max-width: 720px;
}
.lead strong { color: var(--accent); }

.form-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 2rem;
  margin-bottom: 2rem;
}
form { display: flex; flex-direction: column; gap: 1.25rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
label {
  font-weight: 600;
  font-size: 0.95rem;
}
.hint {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.85rem;
}
input, select {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.75rem 0.9rem;
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg);
  transition: border-color 0.15s, background 0.15s;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: white;
}
button {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.95rem 2rem;
  background: var(--ink);
  color: var(--bg);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  align-self: flex-start;
  transition: background 0.15s, transform 0.05s;
}
button:hover { background: var(--accent); }
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: wait; }

#results { margin-top: 2.5rem; }
.results-header { margin-bottom: 1.5rem; }
.results-header h2 { font-size: 1.6rem; margin: 0 0 0.3rem; }
.meta { font-size: 0.9rem; color: var(--muted); margin: 0; }

#cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  padding: 1.5rem 1.5rem 1.25rem;
  border-radius: 0.5rem;
  display: flex; flex-direction: column;
}
.card.recommended {
  border: 2px solid var(--accent);
  background: var(--accent-soft);
  position: relative;
}
.card.recommended::before {
  content: "REKOMENDACJA";
  position: absolute; top: -10px; left: 1rem;
  background: var(--accent); color: white;
  font-size: 0.7rem; font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 0.25rem;
  letter-spacing: 0.05em;
}
.card-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.card-desc {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0 0 1rem;
  flex: 1;
}
.card-stats {
  display: grid;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}
.stat { display: flex; justify-content: space-between; font-size: 0.93rem; }
.stat-label { color: var(--muted); }
.stat-value { font-weight: 600; }
.stat-value.big { color: var(--accent); font-size: 1.1rem; }

.rekomendacja-box {
  background: linear-gradient(135deg, #fff8f3, #ffe9dc);
  border: 1px solid var(--accent);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.rekomendacja-box h3 { margin: 0 0 0.6rem; font-size: 1.15rem; }
.rekomendacja-box p { margin: 0; font-size: 1rem; }

.lead-capture {
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 0.75rem;
  padding: 2rem;
  margin-top: 2rem;
}
.lead-capture h3 { margin: 0 0 0.5rem; font-size: 1.3rem; }
.lead-capture p { color: var(--muted); margin: 0 0 1rem; }
#lead-form {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  gap: 0.75rem;
}
#lead-form input { flex: 1; }
#lead-form button { align-self: stretch; }
#lead-status { margin-top: 1rem; padding: 0.75rem 1rem; border-radius: 0.4rem; }
#lead-status.ok { background: #ecfdf5; color: var(--success); border: 1px solid #a7f3d0; }
#lead-status.err { background: #fef2f2; color: var(--error); border: 1px solid #fecaca; }

#error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--error);
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  margin-top: 1.5rem;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: var(--card);
}
.disclaimer { font-size: 0.75rem; margin-top: 0.3rem; }

@media (max-width: 640px) {
  header { padding: 1rem; }
  main { padding: 2rem 1rem 3rem; }
  .grid { grid-template-columns: 1fr; }
  #lead-form { grid-template-columns: 1fr; }
}