/* Minimal modern CSS reset */
*,
*::before,
*::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
body { min-height: 100vh; line-height: 1.6; -webkit-font-smoothing: antialiased; }

:root {
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #16a34a;
  --accent: #ea580c;
  --surface: #f9fafb;
  --success: #10b981;
  --radius: 8px;
  --maxw: 1280px;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --border: #374151;
    --surface: #1f2937;
  }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-lg); }
.section { padding: var(--space-2xl) 0; }
.stack { display: grid; gap: var(--space-sm); }
.stack.md { gap: var(--space-md); }
.stack.lg { gap: var(--space-xl); }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.hp { position: absolute; left: -9999px; opacity: 0; }
.card { background: var(--surface); padding: var(--space-xl); border: 1px solid var(--border); border-radius: var(--radius); }
.alert { padding: var(--space-sm) var(--space-md); border-radius: var(--radius); border: 1px solid var(--border); }
.alert.success { background: #ecfdf5; border-color: var(--success); color: #065f46; }
.alert.error { background: #fef2f2; border-color: #ef4444; color: #7f1d1d; }
.fine-print { font-size: 0.875rem; color: var(--muted); margin-top: var(--space-xs); }

/* Header / nav - E-commerce style */
.site-header { 
  position: sticky; 
  top: 0; 
  z-index: 50; 
  background: var(--bg); 
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.header-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--space-md); padding: var(--space-lg) 0; }
.brand { text-decoration: none; color: var(--text); transition: opacity 0.2s; }
.brand:hover { opacity: 0.8; }
.brand-name { 
  font-weight: 700; 
  font-size: 1.5rem;
  letter-spacing: -0.5px; 
  color: var(--primary);
}
.brand-tagline { display: block; color: var(--muted); font-size: 0.75rem; margin-top: 2px; }
.site-nav ul { display: flex; gap: var(--space-lg); list-style: none; padding: 0; margin: 0; }
.site-nav a { 
  text-decoration: none; 
  color: var(--text); 
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm); 
  border-radius: 6px;
  transition: all 0.2s;
}
.site-nav a:hover { background: var(--surface); color: var(--primary); }
.site-nav a.active, .site-nav a[aria-current="page"] { color: var(--primary); font-weight: 600; }
.nav-toggle { background: transparent; border: 1px solid var(--border); padding: var(--space-xs); border-radius: 6px; display: none; cursor: pointer; }
.nav-toggle-bar { width: 20px; height: 2px; background: var(--text); display: block; margin: 3px 0; }
@media (max-width: 768px) {
  .brand-tagline { display: none; }
  .nav-toggle { display: inline-block; }
  .site-nav { display: none; }
  .site-nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: var(--space-md); }
  .site-nav ul { flex-direction: column; gap: var(--space-sm); }
}

.skip-link { position: absolute; left: -9999px; top: -9999px; }
.skip-link:focus { left: var(--space-lg); top: var(--space-lg); background: var(--surface); padding: var(--space-xs) var(--space-sm); border-radius: 6px; z-index: 100; }

/* Hero - E-commerce Banner */
.hero { 
  padding-top: var(--space-3xl); 
  padding-bottom: var(--space-3xl); 
  background: linear-gradient(135deg, rgba(22,163,74,0.05) 0%, rgba(234,88,12,0.05) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(22,163,74,0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}
.hero > .container { position: relative; z-index: 1; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl); align-items: center; }
@media (max-width: 968px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-illustration { order: -1; max-width: 400px; margin: 0 auto; }
}
.hero-title { 
  font-size: clamp(2rem, 5vw, 3.25rem); 
  font-weight: 800; 
  line-height: 1.15; 
  margin: 0;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-tagline { 
  font-size: 1.15rem; 
  color: var(--muted); 
  line-height: 1.6;
  margin: var(--space-md) 0;
}

/* Subscribe Card - E-commerce newsletter */
.subscribe-card { 
  background: white;
  padding: var(--space-xl); 
  border-radius: var(--radius); 
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  border: 1px solid var(--border);
}
.subscribe-card h3 {
  font-size: 1.25rem;
  margin: 0 0 var(--space-md) 0;
  font-weight: 700;
}
.form-grid { display: grid; grid-template-columns: 1fr auto; gap: var(--space-sm); }
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
}
.subscribe-card input[type="email"] {
  padding: var(--space-md);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s;
}
.subscribe-card input[type="email"]:focus {
  outline: none;
  border-color: var(--primary);
}

/* Buttons - E-commerce style */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  font-size: 1rem;
}
.btn.primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 2px 8px rgba(22,163,74,0.3);
}
.btn.primary:hover {
  background: #15803d;
  box-shadow: 0 4px 12px rgba(22,163,74,0.4);
  transform: translateY(-1px);
}
.btn.secondary {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px rgba(234,88,12,0.3);
}
.btn.secondary:hover {
  background: #c2410c;
  transform: translateY(-1px);
}

/* Product Grid (was posts-grid) */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
}
@media (max-width: 640px) {
  .posts-grid { grid-template-columns: 1fr; }
}

/* Product Card - E-commerce style */
.post-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.post-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.post-meta {
  font-size: 0.875rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.post-title {
  margin: 0 0 var(--space-sm) 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
}
.post-title a {
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s;
}
.post-title a:hover {
  color: var(--primary);
}
.post-excerpt {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 var(--space-lg) 0;
  flex-grow: 1;
}
.post-read {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap 0.2s;
}
.post-read:hover {
  gap: var(--space-sm);
}

/* Section Titles */
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin: 0 0 var(--space-xl) 0;
  text-align: center;
  letter-spacing: -0.5px;
}

/* Features Grid - Services/Benefits */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}
.feature {
  text-align: center;
  padding: var(--space-xl);
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.feature:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.feature svg {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md) auto;
  color: var(--primary);
}
.feature h3 {
  font-size: 1.25rem;
  margin: 0 0 var(--space-sm) 0;
  font-weight: 700;
}
.feature p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* Hero Illustration */
.hero-illustration img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* Footer - E-commerce style */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-2xl) 0 var(--space-lg) 0;
  margin-top: var(--space-3xl);
}
.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}
.footer-col strong {
  display: block;
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  color: var(--text);
}
.footer-col a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--primary);
}
.footer-col nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col nav li {
  margin-bottom: var(--space-xs);
}
.footer-col p {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 0;
}

/* Forms */
.field { margin-bottom: var(--space-lg); }
.field label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--text);
}
.field input,
.field textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.field-error {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
}

/* Article Page */
.article-cover {
  margin: 0 0 var(--space-xl) 0;
  border-radius: var(--radius);
  overflow: hidden;
}
.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}
.prose {
  max-width: 800px;
  margin: 0 auto;
}
.prose p {
  margin-bottom: var(--space-lg);
  line-height: 1.75;
}
.prose h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  font-size: 1.75rem;
  font-weight: 700;
}

/* Utilities */
@media (max-width: 768px) {
  .section { padding: var(--space-xl) 0; }
  .hero { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
}