:root {
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --accent: #f97316;
  --bg: #f4f6fb;
  --card-bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --success: #15803d;
  --success-bg: #ecfdf3;
  --error: #b91c1c;
  --error-bg: #fef2f2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.hero {
  text-align: center;
  padding: 32px 8px 24px;
}

.hero h1 {
  font-size: 1.75rem;
  margin: 0 0 8px;
  color: var(--primary-dark);
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  padding: 24px;
}

.field {
  margin-bottom: 18px;
}

.field-row {
  display: flex;
  gap: 12px;
}

.field-row .field {
  flex: 1;
  min-width: 0;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

input[type="text"],
input[type="tel"],
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  background: #fff;
  color: var(--text);
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

.project-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.project-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 6px;
  border: 2px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  text-align: center;
  margin: 0;
}

.project-option input {
  position: absolute;
  opacity: 0;
}

.project-option:has(input:checked) {
  border-color: var(--primary);
  background: rgba(29, 78, 216, 0.06);
  color: var(--primary-dark);
}

.submit-btn {
  width: 100%;
  padding: 14px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.submit-btn:hover { background: #ea6a0c; }
.submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.disclaimer {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  margin: 12px 0 0;
}

.result {
  margin-top: 20px;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
}

.result.success {
  background: var(--success-bg);
  color: var(--success);
}

.result.pending {
  background: #eff6ff;
  color: var(--primary-dark);
}

.result.error {
  background: var(--error-bg);
  color: var(--error);
}

.result h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.result p {
  margin: 0 0 16px;
  font-size: 0.95rem;
}

.call-btn {
  display: inline-block;
  padding: 14px 28px;
  background: var(--success);
  color: #fff;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 3px solid rgba(255,255,255,0.5);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -3px;
  margin-right: 8px;
}

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

@media (max-width: 420px) {
  .project-options { grid-template-columns: 1fr; }
  .field-row { flex-direction: column; gap: 0; }
}

.phone-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0 0 16px;
  flex-wrap: wrap;
}

.phone-display span {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
}

.copy-btn {
  padding: 8px 16px;
  background: #fff;
  border: 1.5px solid var(--success);
  color: var(--success);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.copy-btn:hover {
  background: var(--success);
  color: #fff;
}

.copy-btn.copied {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}