/* ==========================================================================
   Prime Picks Store - Derila Ergo Presell Stylesheet
   Pure Static CSS - Fast, Mobile-First, Accessible
   ========================================================================== */

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

:root {
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bg-color: #ffffff;
  --text-main: #111827;
  --text-muted: #4b5563;
  --text-disclosure: #6b7280;
  --border-color: #e5e7eb;
  --btn-blue: #1d4ed8;
  --btn-blue-hover: #1e40af;
  --btn-blue-active: #172554;
  --bg-info-box: #f9fafb;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding: 0;
  margin: 0;
}

.site-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Site Header */
.site-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.site-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

/* Main Hero Grid */
.product-hero {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.product-image-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: 6px;
}

.product-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-title {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.product-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* CTA Buttons */
.cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn-cta {
  display: inline-block;
  text-align: center;
  background-color: var(--btn-blue);
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 0.95rem 1.75rem;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background-color 0.15s ease;
}

.btn-cta:hover {
  background-color: var(--btn-blue-hover);
}

.btn-cta:active {
  background-color: var(--btn-blue-active);
}

.affiliate-disclosure {
  font-size: 0.825rem;
  color: var(--text-disclosure);
  line-height: 1.4;
}

/* Useful Information Section */
.info-section {
  background-color: var(--bg-info-box);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.info-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.info-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-statement {
  margin-bottom: 1rem;
}

.footer-nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--btn-blue);
  text-decoration: underline;
}

.footer-link:hover {
  color: var(--btn-blue-hover);
}

/* ==========================================================================
   Desktop Responsive Layout (Side by Side)
   ========================================================================== */
@media (min-width: 768px) {
  .site-header {
    padding: 1.5rem 0;
    margin-bottom: 2.5rem;
  }

  .site-brand {
    font-size: 1.25rem;
  }

  .product-hero {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 3.5rem;
  }

  .product-title {
    font-size: 2.1rem;
  }

  .product-description {
    font-size: 1.1rem;
  }

  .btn-cta {
    align-self: flex-start;
    padding: 1rem 2rem;
  }

  .info-section .btn-cta {
    align-self: flex-start;
  }

  .info-section {
    padding: 2rem;
  }
}