/*
Theme Name: Litbuyy Shop
Theme URI: https://litbuyy.shop
Author: Litbuyy
Author URI: https://litbuyy.shop
Description: A SEO-optimized WordPress theme for litbuyy.shop, a Litbuy spreadsheet guide and shopping agent site. Features dropdown category navigation, multi-page SEO content, and direct integration with fcsheet.com.
Version: 1.0.0
Requires at least: 5.5
Tested up to: 6.5
Requires PHP: 7.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: litbuyy-shop
Tags: e-commerce, shopping, responsive-layout, seo, custom-menu, dropdown-menu, blog
*/

/* ============================
   Reset & Base
   ============================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.6;color:#222;background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:#e63946;text-decoration:none;transition:color .2s}
a:hover{color:#b71c1c}
ul{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 20px}

/* ============================
   Header & Navigation
   ============================ */
.site-header{background:#fff;border-bottom:1px solid #eee;position:sticky;top:0;z-index:1000;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.site-logo{font-size:24px;font-weight:800;color:#e63946;letter-spacing:-.5px}
.site-logo span{color:#222}
.main-nav{display:flex;align-items:center}
.main-nav>ul{display:flex;align-items:center;gap:6px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{display:block;padding:10px 14px;color:#222;font-weight:600;font-size:15px;border-radius:6px}
.main-nav>ul>li>a:hover{background:#fff0f1;color:#e63946}
.main-nav>ul>li.has-dropdown>a::after{content:"▾";margin-left:6px;font-size:12px;color:#888}

/* dropdown */
.dropdown{position:absolute;top:100%;left:0;min-width:240px;background:#fff;border:1px solid #eee;border-radius:8px;box-shadow:0 8px 22px rgba(0,0,0,.08);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s}
.has-dropdown:hover>.dropdown,.has-dropdown:focus-within>.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:9px 12px;color:#333;font-size:14px;border-radius:6px}
.dropdown li a:hover{background:#fff0f1;color:#e63946}

.nav-cta{display:flex;gap:8px;margin-left:14px}
.btn{display:inline-block;font-weight:700;padding:10px 18px;border-radius:8px;font-size:14px;text-align:center;border:2px solid transparent;cursor:pointer;transition:all .2s}
.btn-primary{background:#e63946;color:#fff}
.btn-primary:hover{background:#b71c1c;color:#fff}
.btn-outline{border-color:#e63946;color:#e63946;background:#fff}
.btn-outline:hover{background:#e63946;color:#fff}
.btn-dark{background:#1d3557;color:#fff}
.btn-dark:hover{background:#0d1b2a;color:#fff}
.btn-lg{padding:14px 28px;font-size:16px}

/* mobile toggle */
.menu-toggle{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:#222}

/* ============================
   Hero
   ============================ */
.hero{background:linear-gradient(135deg,#fff7f7 0%,#ffe0e3 100%);padding:70px 0 60px;text-align:center}
.hero h1{font-size:44px;line-height:1.15;margin-bottom:16px;color:#1d3557;letter-spacing:-1px}
.hero h1 span{color:#e63946}
.hero p.lead{font-size:18px;color:#555;max-width:740px;margin:0 auto 30px}
.hero-buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:20px}

/* ============================
   Sections
   ============================ */
.section{padding:60px 0}
.section h2{font-size:32px;margin-bottom:14px;color:#1d3557;text-align:center}
.section .sub{font-size:16px;color:#666;text-align:center;max-width:720px;margin:0 auto 40px}
.section-alt{background:#fafafa}

/* category grid (kakobuy-style) */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px}
.cat-card{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff;border:1px solid #eee;border-radius:12px;padding:26px 12px;text-align:center;transition:all .25s;color:#1d3557;font-weight:700}
.cat-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(230,57,70,.12);border-color:#e63946;color:#e63946}
.cat-icon{font-size:38px;margin-bottom:10px}

/* feature cards */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.feat-card{background:#fff;border:1px solid #eee;border-radius:12px;padding:28px;text-align:center}
.feat-card h3{font-size:20px;margin:10px 0;color:#1d3557}
.feat-card p{color:#666;font-size:15px}
.feat-card .ico{font-size:38px;color:#e63946;margin-bottom:10px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid #eee;border-radius:12px;padding:24px;position:relative;counter-increment:s}
.step::before{content:counter(s);position:absolute;top:-16px;left:24px;background:#e63946;color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800}
.step h3{margin:10px 0 6px;color:#1d3557;font-size:18px}
.step p{color:#666;font-size:14px}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,#1d3557,#e63946);color:#fff;border-radius:14px;padding:50px 30px;text-align:center;margin:50px 0}
.cta-banner h2{color:#fff;margin-bottom:10px}
.cta-banner p{color:#fff;opacity:.92;margin-bottom:24px;font-size:16px}
.cta-banner .btn-primary{background:#fff;color:#e63946}
.cta-banner .btn-primary:hover{background:#fff0f1}
.cta-banner .btn-outline{border-color:#fff;color:#fff;background:transparent}
.cta-banner .btn-outline:hover{background:#fff;color:#1d3557}

/* article list */
.article{background:#fff;border:1px solid #eee;border-radius:12px;padding:30px 32px;margin-bottom:30px}
.article h2.article-title{font-size:26px;margin-bottom:10px;color:#1d3557;text-align:left}
.article .meta{font-size:13px;color:#888;margin-bottom:16px}
.article p{margin-bottom:14px;color:#333}
.article h3{margin:18px 0 8px;font-size:19px;color:#1d3557}
.article ul.bullets{padding-left:22px;margin-bottom:14px;list-style:disc}
.article ul.bullets li{margin-bottom:6px;color:#333}
.article .internal-links{background:#fafafa;border-left:3px solid #e63946;padding:14px 18px;margin-top:18px;border-radius:0 8px 8px 0;font-size:14px}
.article .internal-links strong{color:#1d3557}

/* page header */
.page-hero{background:#1d3557;color:#fff;padding:60px 0;text-align:center}
.page-hero h1{font-size:38px;margin-bottom:10px}
.page-hero p{font-size:17px;opacity:.9;max-width:780px;margin:0 auto}
.breadcrumb{font-size:13px;margin-bottom:14px;opacity:.85}
.breadcrumb a{color:#ffd8db}
.breadcrumb a:hover{color:#fff}

/* TOC */
.toc{background:#fff;border:1px solid #eee;border-radius:12px;padding:20px 24px;margin-bottom:30px}
.toc h2{font-size:18px;margin-bottom:10px;color:#1d3557;text-align:left}
.toc ol{padding-left:22px}
.toc ol li{margin:6px 0}

/* ============================
   Footer
   ============================ */
.site-footer{background:#1d3557;color:#cdd5e0;padding:50px 0 24px;margin-top:60px}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;margin-bottom:30px}
.footer-cols h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-cols a{color:#cdd5e0;font-size:14px;display:block;padding:4px 0}
.footer-cols a:hover{color:#fff}
.footer-bottom{border-top:1px solid #2a4a6e;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#9aa8be}

/* ============================
   Responsive
   ============================ */
@media (max-width:900px){
  .menu-toggle{display:block}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid #eee;flex-direction:column;align-items:stretch;display:none;padding:10px 20px}
  .main-nav.open{display:flex}
  .main-nav>ul{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .main-nav>ul>li>a{padding:14px 8px;border-bottom:1px solid #f3f3f3}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding-left:18px;display:none}
  .has-dropdown.open>.dropdown{display:block}
  .nav-cta{flex-direction:column;width:100%;margin:12px 0 6px}
  .nav-cta .btn{width:100%}
  .hero h1{font-size:32px}
  .hero p.lead{font-size:16px}
  .section h2{font-size:26px}
  .article{padding:22px}
  .article h2.article-title{font-size:22px}
}