/* ============================================
   SEO Contract Generator — Global CSS
   Premium SaaS Style (Stripe/Notion inspired)
   ============================================ */

:root {
  --ink: #0f1117;
  --ink-2: #3d3f4e;
  --ink-3: #6b6e82;
  --ink-4: #9ea2b5;
  --surface: #ffffff;
  --surface-2: #f7f8fc;
  --surface-3: #eef0f7;
  --border: #e4e6f0;
  --border-2: #d0d3e8;
  --accent: #4361ee;
  --accent-dark: #3451d1;
  --accent-light: #eef1fd;
  --accent-light-2: #dce3fb;
  --success: #0ea06e;
  --success-bg: #e8faf4;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(15,17,23,0.06), 0 1px 2px rgba(15,17,23,0.04);
  --shadow: 0 4px 16px rgba(15,17,23,0.08), 0 2px 6px rgba(15,17,23,0.05);
  --shadow-lg: 0 16px 48px rgba(15,17,23,0.12), 0 4px 16px rgba(15,17,23,0.07);
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 180ms cubic-bezier(0.4,0,0.2,1);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--surface-2);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---- Top Nav ---- */
.top-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.nav-brand-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  font-weight: 700;
}
.nav-brand-text {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.3px;
}
.nav-badge {
  font-size: 10px;
  font-weight: 600;
  background: var(--accent-light);
  color: var(--accent);
  padding: 2px 7px;
  border-radius: 20px;
  border: 1px solid var(--accent-light-2);
}

/* ---- Page Layout ---- */
.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}
.page-header {
  margin-bottom: 2rem;
}
.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.page-subtitle {
  font-size: 0.9rem;
  color: var(--ink-3);
  margin-top: 6px;
}

/* ---- Card ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-body {
  padding: 1.75rem;
}

/* ---- Steps Indicator ---- */
.steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
  overflow-x: auto;
  padding-bottom: 4px;
}
.step-item {
  display: flex;
  align-items: center;
  flex: 1;
}
.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 2px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-3);
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}
.step-dot.active { background: var(--accent); border-color: var(--accent); color: white; }
.step-dot.done { background: var(--success); border-color: var(--success); color: white; }
.step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  transition: background var(--transition);
}
.step-line.done { background: var(--success); }
.step-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-3);
  margin-top: 6px;
  text-align: center;
  white-space: nowrap;
}
.step-group {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ---- Form Elements ---- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-full { grid-column: 1 / -1; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-2);
  display: flex;
  align-items: center;
  gap: 4px;
}
.form-label .req {
  color: var(--danger);
  font-size: 0.75rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form-input:hover, .form-select:hover { border-color: var(--border-2); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(67,97,238,0.1);
}
.form-input.error { border-color: var(--danger); }
.form-input.error:focus { box-shadow: 0 0 0 3px rgba(220,38,38,0.1); }
.form-hint {
  font-size: 0.77rem;
  color: var(--ink-4);
}
.form-error {
  font-size: 0.77rem;
  color: var(--danger);
  display: none;
}
.form-error.show { display: block; }

/* Upload Area */
.upload-area {
  border: 2px dashed var(--border-2);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--surface-2);
  position: relative;
}
.upload-area:hover { border-color: var(--accent); background: var(--accent-light); }
.upload-area.has-file { border-color: var(--success); background: var(--success-bg); border-style: solid; }
.upload-area input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-icon { font-size: 28px; margin-bottom: 8px; }
.upload-text { font-size: 0.85rem; color: var(--ink-3); }
.upload-text strong { color: var(--accent); }
.upload-hint { font-size: 0.75rem; color: var(--ink-4); margin-top: 4px; }
.upload-preview { max-height: 80px; margin-top: 10px; border-radius: 6px; }

/* Price Summary */
.price-summary {
  background: var(--accent-light);
  border: 1.5px solid var(--accent-light-2);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.price-label { font-size: 0.85rem; color: var(--ink-2); font-weight: 500; }
.price-value { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.price-breakdown { font-size: 0.78rem; color: var(--ink-3); margin-top: 2px; }

/* Duration Options */
.duration-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.duration-option {
  position: relative;
}
.duration-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}
.duration-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 14px 10px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  gap: 4px;
  background: var(--surface);
}
.duration-option label:hover { border-color: var(--accent-light-2); background: var(--accent-light); }
.duration-option input:checked + label {
  border-color: var(--accent);
  background: var(--accent-light);
  box-shadow: 0 0 0 3px rgba(67,97,238,0.1);
}
.duration-months { font-size: 1.25rem; font-weight: 700; color: var(--ink); }
.duration-label { font-size: 0.75rem; color: var(--ink-3); }
.duration-badge {
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--accent);
  color: white;
  padding: 2px 7px;
  border-radius: 10px;
}

/* Checkbox Agreement */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition);
}
.checkbox-group:hover { border-color: var(--accent-light-2); }
.checkbox-group input { width: 16px; height: 16px; cursor: pointer; accent-color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.checkbox-label { font-size: 0.85rem; color: var(--ink-2); line-height: 1.5; }
.checkbox-label a { color: var(--accent); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  outline: none;
}
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(67,97,238,0.3); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: var(--surface);
  color: var(--ink-2);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-2); background: var(--surface-2); }
.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover { background: #09845b; transform: translateY(-1px); }
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover { background: #b91c1c; }
.btn-ghost {
  background: transparent;
  color: var(--ink-3);
  padding: 8px 12px;
}
.btn-ghost:hover { background: var(--surface-3); color: var(--ink); }
.btn-lg { padding: 13px 28px; font-size: 0.95rem; border-radius: 12px; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; border-radius: 8px; }
.btn-block { width: 100%; justify-content: center; }

.btn-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* ---- Alerts ---- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 1rem;
}
.alert-success { background: var(--success-bg); color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: var(--danger-bg); color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: var(--warning-bg); color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: var(--accent-light); color: #1e40af; border: 1px solid var(--accent-light-2); }

/* ---- Success Page ---- */
.success-hero {
  text-align: center;
  padding: 3rem 2rem;
}
.success-icon {
  width: 72px;
  height: 72px;
  background: var(--success-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 32px;
}
.success-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.success-subtitle { color: var(--ink-3); font-size: 0.9rem; max-width: 400px; margin: 0 auto; }
.contract-number-display {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--surface-3);
  color: var(--ink-2);
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin: 1rem 0;
}
.action-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid.cols-3 { grid-template-columns: 1fr; }
  .page-wrapper { padding: 1.5rem 1rem; }
  .duration-options { grid-template-columns: repeat(3, 1fr); }
  .btn-actions { flex-direction: column; }
  .btn-actions .btn { width: 100%; justify-content: center; }
  .price-summary { flex-direction: column; align-items: flex-start; gap: 6px; }
  .action-buttons { flex-direction: column; align-items: center; }
}