/* Kaizen Daily — Shared Styles */

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

:root {
  --primary: #16a34a;
  --primary-dark: #15803d;
  --primary-light: #dcfce7;
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #111111;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --max-width: 720px;
  --radius: 8px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: var(--primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 4px;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

nav a:hover,
nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

/* ── Main content ── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ── Hero (index page) ── */
.hero {
  text-align: center;
  padding: 80px 24px 64px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 36px;
}

.btn-group {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.store-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--text);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.875rem;
  transition: opacity 0.15s;
}

.store-badge:hover {
  opacity: 0.85;
}

.store-badge strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
}

/* ── Legal pages ── */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.page-header .meta {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.page-header .meta strong {
  color: var(--text);
}

/* ── Legal content ── */
.legal-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--text);
}

.legal-content p {
  margin-bottom: 16px;
  color: #374151;
}

.legal-content ul,
.legal-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-content li {
  margin-bottom: 8px;
  color: #374151;
}

.legal-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--primary-dark);
}

.legal-content .highlight-box {
  background: var(--primary-light);
  border-left: 3px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 16px;
}

.legal-content .highlight-box p {
  margin: 0;
  font-size: 0.9rem;
}

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 40px;
}

.toc h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.toc ol {
  padding-left: 20px;
  margin: 0;
}

.toc li {
  font-size: 0.875rem;
  margin-bottom: 4px;
}

.toc a {
  color: var(--text-muted);
  text-decoration: none;
}

.toc a:hover {
  color: var(--primary);
}

/* ── Footer ── */
footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .header-inner {
    padding: 0 16px;
  }

  nav a {
    padding: 6px 8px;
    font-size: 0.8rem;
  }

  main {
    padding: 32px 16px 60px;
  }

  .hero {
    padding: 48px 16px 40px;
  }

  .footer-inner {
    padding: 24px 16px;
  }
}