/*
Theme Name: Kakobuy Spreadsheet Clean SEO Theme
Theme URI: https://sheetfinds.com/
Author: SEO Expert
Description: Clean code optimized for Google SEO. Features a Western bright clean interface, dynamic redirect selections, and integrated internal-linked hubs.
Version: 1.0.0
*/
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background-color: #fafbfa; color: #2d3748; line-height: 1.6; font-size: 16px; }
a { color: #319795; text-decoration: none; transition: color 0.2s ease; }
a:hover { color: #1a433e; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.site-header { background-color: #ffffff; border-bottom: 1px solid #edf2f7; position: sticky; top: 0; z-index: 999; padding: 15px 0; }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo a { font-size: 22px; font-weight: 700; color: #1a433e; text-decoration: none; }
.logo span { color: #319795; }
.nav-menu { display: flex; align-items: center; list-style: none; gap: 20px; }
.seo-select { appearance: none; background-color: #f7fafc; border: 1px solid #e2e8f0; padding: 8px 32px 8px 12px; border-radius: 6px; font-size: 14px; font-weight: 500; color: #4a5568; cursor: pointer; }
.hero-section { background: linear-gradient(135deg, #f0f7f4 0%, #ffffff 100%); padding: 80px 0; text-align: center; border-bottom: 1px solid #edf2f7; }
.hero-section h1 { font-size: 42px; color: #1a433e; font-weight: 800; margin-bottom: 20px; }
.hero-section p { font-size: 18px; color: #64748b; max-width: 700px; margin: 0 auto 30px; }
.cta-group .btn { display: inline-block; padding: 14px 28px; font-weight: 600; border-radius: 8px; margin: 5px; font-size: 16px; }
.btn-primary { background-color: #319795; color: #ffffff; }
.btn-secondary { background-color: #1a433e; color: #ffffff; }
.section-title { font-size: 26px; text-align: center; margin: 50px 0 30px; color: #1a433e; font-weight: 700; }
.grid-container { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; margin-bottom: 40px; }
.category-card { background: #ffffff; border: 1px solid #edf2f7; padding: 20px; border-radius: 12px; text-align: center; display: block; }
.category-image-placeholder { height: 60px; display: flex; align-items: center; justify-content: center; font-size: 32px; margin-bottom: 12px; }
.category-name { font-weight: 600; color: #2d3748; font-size: 14px; }
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 25px; margin-bottom: 60px; }
.article-card { background: #ffffff; border: 1px solid #edf2f7; padding: 25px; border-radius: 12px; }
.site-footer { background-color: #1a433e; color: #a0aec0; padding: 40px 0; text-align: center; font-size: 14px; margin-top: 60px; }