/* TechFlexa - Global styles */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif; line-height: 1.6; color: #333; }
img { max-width: 100%; height: auto; }
a { color: #0066cc; text-decoration: none; }
a:hover { text-decoration: underline; }
ul { padding-left: 1.25rem; }

/* Layout */
.container { max-width: 1140px; margin: 0 auto; padding: 0 1rem; }
.section { padding: 4rem 0; }
.section-title { font-size: 2rem; margin-bottom: 0.5rem; font-weight: 700; }
.section-subtitle { font-size: 1.1rem; color: #555; margin-bottom: 2rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid #eee; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 0.75rem; padding-bottom: 0.75rem; flex-wrap: wrap; }
.site-header nav { display: flex; align-items: center; gap: 1.5rem; }
.logo { font-size: 1.5rem; font-weight: 700; color: #0066cc; }
.logo:hover { text-decoration: none; color: #0052a3; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: #333; font-weight: 500; }
.nav-links a:hover { color: #0066cc; }
.header-ctas { display: flex; align-items: center; gap: 0.75rem; }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; padding: 0.25rem; }

/* Buttons */
.btn { display: inline-block; padding: 0.6rem 1.25rem; font-size: 1rem; font-weight: 600; text-align: center; border-radius: 6px; cursor: pointer; border: 2px solid transparent; transition: background .2s, color .2s, border-color .2s; }
.btn-primary { background: #0066cc; color: #fff; border-color: #0066cc; }
.btn-primary:hover { background: #0052a3; border-color: #0052a3; text-decoration: none; color: #fff; }
.btn-outline { background: transparent; color: #0066cc; border-color: #0066cc; }
.btn-outline:hover { background: #0066cc; color: #fff; text-decoration: none; }
.btn-orange { background: #e67e22; color: #fff; border-color: #e67e22; }
.btn-orange:hover { background: #d35400; border-color: #d35400; text-decoration: none; color: #fff; }
.btn-green { background: #27ae60; color: #fff; border-color: #27ae60; }
.btn-green:hover { background: #219a52; text-decoration: none; color: #fff; }
.btn-tertiary { background: none; border: none; color: #0066cc; padding: 0.25rem 0; font-weight: 600; }
.btn-tertiary:hover { text-decoration: underline; }

/* Hero */
.hero { padding: 4rem 0 5rem; text-align: center; background: linear-gradient(180deg, #f8fafc 0%, #fff 100%); }
.hero-title { font-size: 2.75rem; font-weight: 700; line-height: 1.2; margin-bottom: 1rem; }
.hero-subtitle { font-size: 1.25rem; color: #555; max-width: 600px; margin: 0 auto 1rem; }
.hero-desc { font-size: 1rem; color: #666; max-width: 700px; margin: 0 auto 2rem; line-height: 1.7; }
.hero-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-bottom: 1rem; }
.hero-ctas .btn { padding: 0.75rem 1.5rem; }
.hero-explore { display: inline-block; margin-top: 0.5rem; }

/* Product cards (homepage) */
.product-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.product-card { border: 1px solid #e0e0e0; border-radius: 10px; padding: 1.5rem; background: #fff; transition: box-shadow .2s; }
.product-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.product-card h3 { margin: 0 0 0.5rem; font-size: 1.25rem; }
.product-card .badge { display: inline-block; font-size: 0.75rem; padding: 0.2rem 0.5rem; background: #f0f0f0; border-radius: 4px; margin-bottom: 0.5rem; }
.product-card p { margin: 0 0 1rem; color: #555; font-size: 0.95rem; }
.product-card .btn { margin-top: 0.5rem; }

/* Content sections */
.content-block { margin-bottom: 2.5rem; }
.content-block h2 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.content-block h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.values-list, .diff-list { list-style: none; padding-left: 0; }
.values-list li, .diff-list li { margin-bottom: 0.75rem; padding-left: 1.5rem; position: relative; }
.values-list li::before, .diff-list li::before { content: "✓"; position: absolute; left: 0; color: #27ae60; font-weight: bold; }

/* Testimonials */
.testimonials { display: grid; gap: 1.5rem; }
.testimonial { background: #f8fafc; border-left: 4px solid #0066cc; padding: 1.25rem 1.5rem; border-radius: 0 8px 8px 0; }
.testimonial blockquote { margin: 0 0 0.75rem; font-style: italic; color: #444; }
.testimonial cite { font-size: 0.9rem; color: #666; font-style: normal; }

/* Advantages grid */
.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.advantage { padding: 1.25rem; background: #f8fafc; border-radius: 8px; }
.advantage h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.advantage ul { margin: 0.5rem 0 0; padding-left: 1.25rem; font-size: 0.95rem; color: #555; }

/* Footer */
.site-footer { background: #1a1a1a; color: #ccc; padding: 3rem 0 2rem; margin-top: 4rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.footer-grid h4 { color: #fff; font-size: 0.95rem; margin-bottom: 0.75rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.4rem; }
.footer-grid a { color: #aaa; }
.footer-grid a:hover { color: #fff; }
.footer-newsletter { margin-bottom: 2rem; }
.footer-newsletter input { padding: 0.5rem 0.75rem; width: 220px; max-width: 100%; margin-right: 0.5rem; margin-bottom: 0.5rem; border: 1px solid #444; border-radius: 4px; background: #333; color: #fff; }
.footer-newsletter .btn { background: #0066cc; color: #fff; border: none; }
.footer-bottom { border-top: 1px solid #333; padding-top: 1.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; font-size: 0.9rem; }
.footer-contact { margin-bottom: 1rem; }
.footer-contact p { margin: 0.25rem 0; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }
.footer-badges span { background: #333; padding: 0.25rem 0.5rem; border-radius: 4px; font-size: 0.8rem; }
.social-links { display: flex; gap: 1rem; margin-top: 0.5rem; }
.social-links a { color: #aaa; }
.social-links a:hover { color: #fff; }

/* Forms */
form label { display: block; margin-bottom: 0.25rem; font-weight: 500; }
form input, form select { width: 100%; max-width: 320px; padding: 0.5rem 0.75rem; margin-bottom: 1rem; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; }
form .form-row { margin-bottom: 1rem; }
.notify-form .btn { margin-top: 0.5rem; }

/* Page hero (inner pages) */
.page-hero { padding: 2.5rem 0; background: #f8fafc; border-bottom: 1px solid #eee; }
.page-hero h1 { margin: 0 0 0.5rem; font-size: 2rem; }
.page-hero p { margin: 0; color: #555; }

/* Placeholder visual */
.placeholder-visual { background: #e8ecf0; border-radius: 8px; padding: 3rem 2rem; text-align: center; color: #666; margin: 1.5rem 0; }
.placeholder-visual p { margin: 0; }

/* Coming soon badge */
.badge-coming { background: #f39c12; color: #fff; padding: 0.25rem 0.6rem; border-radius: 4px; font-size: 0.85rem; font-weight: 600; }

/* Responsive */
@media (max-width: 768px) {
  .site-header .container { flex-wrap: wrap; }
  .site-header nav { flex-wrap: wrap; width: 100%; order: 3; }
  .nav-links { display: none; width: 100%; flex-direction: column; padding: 1rem 0; margin: 0; order: -1; border-top: 1px solid #eee; }
  .nav-links.is-open { display: flex; }
  .header-ctas .btn:first-child { display: none; }
  .menu-toggle { display: block; }
  .hero-title { font-size: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; max-width: 280px; }
}