/* ============================================================
   shop.izantech.app — storefront, checkout overlay, legal pages
   ============================================================ */

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

:root {
  --bg: #121826;
  --bg-elevated: #1a2034;
  --surface: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --text: #edf0f7;
  --text-secondary: #94a0b8;
  --text-tertiary: #6b7280;
  --accent: #f59e0b;
  --accent-on: #1a1207;
  --radius: 12px;
  --radius-lg: 16px;
  --max-width: 960px;
  --content-width: 760px;
  --font-display: 'Sora', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8f9fc;
    --bg-elevated: #ffffff;
    --surface: rgba(0, 0, 0, 0.04);
    --border: rgba(0, 0, 0, 0.1);
    --text: #1a1f2e;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --accent: #d97706;
    --accent-on: #1a1f2e;
  }
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

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

/* --- Header --- */

.site-header {
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
}

.site-header .nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
}

.nav-brand:hover {
  color: var(--accent);
}

.nav-link {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.nav-link:hover {
  color: var(--text);
}

/* --- Storefront (index.html) --- */

main#root {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.storefront-intro {
  text-align: center;
  margin-bottom: 48px;
}

.storefront-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text);
}

.storefront-intro .lede {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.app-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.app-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.app-card-header h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.app-card-price {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
}

.app-card-pitch {
  font-size: 0.95rem;
  color: var(--text-secondary);
  flex: 1;
}

.app-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, filter 0.18s ease;
}

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

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

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

.btn-large {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* --- Checkout state (revealed when ?product=<key> is set) --- */

.checkout-state {
  max-width: 480px;
  margin: 64px auto 0;
  text-align: center;
}

.checkout-state h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: var(--text);
}

.checkout-state p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 24px;
}

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

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
    border-top-color: var(--border);
  }
}

.fallback {
  display: none;
}

.fallback.show {
  display: block;
}

/* --- Content pages (pricing / terms / privacy / refund) --- */

.content-page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 64px 24px;
}

.content-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.content-page .lede {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.content-page h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: 40px;
  margin-bottom: 12px;
}

.content-page h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
}

.content-page p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.content-page p strong {
  color: var(--text);
  font-weight: 600;
}

.content-page ul,
.content-page ol {
  margin: 0 0 16px 24px;
  color: var(--text-secondary);
}

.content-page li {
  margin-bottom: 8px;
}

.content-page a:not(.btn) {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}

.content-page a:not(.btn):hover {
  border-bottom-color: var(--accent);
}

.content-page .updated-on {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* --- Pricing card (catalog) --- */

.pricing-card {
  margin: 32px 0 48px;
  padding: 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.pricing-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.pricing-card-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.pricing-card .price {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
}

.pricing-card-meta {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.pricing-card-pitch {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.pricing-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* --- Footer --- */

.footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  margin-top: 64px;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: center;
  margin-bottom: 16px;
}

.footer-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--text);
}

.footer-copy {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  text-align: center;
}

.footer-copy a {
  color: var(--text-secondary);
}

.footer-copy a:hover {
  color: var(--text);
}