/* Global / base styles – LIGHT THEME */

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

:root {
  --bg: #f3f4f6;
  --bg-alt: #ffffff;
  --card: #ffffff;
  --card-soft: #f9fafb;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --accent-strong: #1d4ed8;
  --text: #111827;
  --text-muted: #6b7280;
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.08);
  --danger-border: rgba(220, 38, 38, 0.4);
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.16);
  --shadow-md: 0 12px 28px rgba(15, 23, 42, 0.12);
  --border-subtle: rgba(148, 163, 184, 0.35);
  --transition-fast: 0.18s ease-out;
  --transition-normal: 0.22s ease;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  background: #f3f6ff; /* soft blue like PDFGO */
  color: var(--text);
  line-height: 1.5;
}

/* Utility */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.is-hidden {
  display: none !important;
}

/* Buttons */

.btn {
  border: none;
  outline: none;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn--primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.35);
}

.btn--primary:hover:not(:disabled) {
  background: var(--accent-strong);
  box-shadow: 0 18px 38px rgba(37, 99, 235, 0.45);
  transform: translateY(-1px);
}

.btn--secondary {
  background: #111827;
  color: #f9fafb;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.28);
}

.btn--secondary:hover:not(:disabled) {
  background: #020617;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.36);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.7);
}

.btn--ghost:hover:not(:disabled) {
  background: rgba(15, 23, 42, 0.03);
}

/* Info sections (still used under the tool) */

.info-section {
  padding: 48px 0;
  background: transparent;
}

.info-section--secondary {
  background: linear-gradient(to bottom, #f9fafb 0, #eef2ff 100%);
}

.info-section__inner h2 {
  margin: 0 0 12px;
  font-size: 1.3rem;
  color: var(--text);
}

.info-section__inner p {
  max-width: 580px;
  color: var(--text-muted);
}

.info-section__inner ol {
  padding-left: 20px;
  color: var(--text-muted);
}

.info-section__inner li + li {
  margin-top: 4px;
}