/*
Theme Name: Litbuy Spreadsheet SEO
Theme URI: https://sheetfinds.com/
Author: Litbuy Team
Author URI: https://sheetfinds.com/
Description: A conversion-focused SEO landing theme for the Litbuy Spreadsheet brand. Includes a category dropdown, product-category buttons, CTA buttons, and 12 SEO articles targeting Litbuy Spreadsheet keywords.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: litbuy-spreadsheet
Tags: seo, landing-page, ecommerce, one-page
*/

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:#1a1a1a;line-height:1.65;background:#f7f5f0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:#c8102e;text-decoration:none;transition:.2s}
a:hover{color:#8b0a20}
h1,h2,h3,h4{font-family:'Playfair Display',Georgia,serif;font-weight:700;line-height:1.25;color:#111}
h1{font-size:2.6rem;margin-bottom:1rem}
h2{font-size:2rem;margin:2rem 0 1rem}
h3{font-size:1.35rem;margin:1.4rem 0 .6rem}
p{margin-bottom:1rem}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  background:#fff;border-bottom:1px solid #eaeaea;
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:20px;flex-wrap:wrap}
.site-logo{font-family:'Playfair Display',serif;font-size:1.6rem;font-weight:900;color:#c8102e;letter-spacing:-.5px}
.site-logo span{color:#111}

/* Dropdown category */
.category-dropdown{position:relative}
.dropdown-toggle{
  background:#111;color:#fff;border:0;padding:12px 22px;font-size:.95rem;font-weight:600;
  cursor:pointer;border-radius:6px;display:inline-flex;align-items:center;gap:8px;
}
.dropdown-toggle:hover{background:#c8102e}
.dropdown-toggle::after{content:"▾";font-size:.8rem}
.dropdown-menu{
  position:absolute;top:calc(100% + 8px);right:0;
  background:#fff;min-width:260px;border-radius:8px;
  box-shadow:0 12px 30px rgba(0,0,0,.15);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:.2s;list-style:none;padding:8px 0;
}
.category-dropdown.open .dropdown-menu,
.category-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li a{
  display:block;padding:10px 20px;color:#333;font-size:.92rem;
  border-left:3px solid transparent;
}
.dropdown-menu li a:hover{background:#f7f5f0;color:#c8102e;border-left-color:#c8102e}

/* Nav */
.main-nav ul{list-style:none;display:flex;gap:24px}
.main-nav a{color:#333;font-weight:500;font-size:.95rem}
.main-nav a:hover{color:#c8102e}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:520px;
  background:linear-gradient(135deg,rgba(15,15,15,.72),rgba(200,16,46,.55)),
    url('https://images.unsplash.com/photo-1483985988355-763728e1935b?w=1600&auto=format&fit=crop&q=70') center/cover;
  color:#fff;display:flex;align-items:center;padding:80px 0;
}
.hero-inner{max-width:820px}
.hero .eyebrow{display:inline-block;background:rgba(255,255,255,.15);padding:6px 14px;border-radius:20px;font-size:.85rem;letter-spacing:1px;text-transform:uppercase;margin-bottom:18px;backdrop-filter:blur(6px)}
.hero h1{color:#fff;font-size:3.2rem;margin-bottom:18px}
.hero p{font-size:1.15rem;color:#f0f0f0;margin-bottom:32px;max-width:640px}

/* Buttons */
.btn{
  display:inline-block;padding:14px 30px;font-weight:700;font-size:.95rem;
  border-radius:6px;letter-spacing:.5px;text-transform:uppercase;
  transition:.25s;border:2px solid transparent;cursor:pointer;
}
.btn-primary{background:#c8102e;color:#fff}
.btn-primary:hover{background:#8b0a20;color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(200,16,46,.35)}
.btn-secondary{background:#fff;color:#111;border-color:#fff}
.btn-secondary:hover{background:transparent;color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:#111;border-color:#111}
.btn-outline:hover{background:#111;color:#fff}
.btn-group{display:flex;gap:16px;flex-wrap:wrap}

/* ---------- Sections ---------- */
.section{padding:80px 0}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:12px}
.section-subtitle{text-align:center;color:#666;font-size:1.05rem;max-width:680px;margin:0 auto 50px}

/* ---------- Category Grid ---------- */
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.category-card{
  position:relative;border-radius:10px;overflow:hidden;
  aspect-ratio:1/1;box-shadow:0 4px 14px rgba(0,0,0,.08);
  transition:.3s;cursor:pointer;
}
.category-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.category-card img{width:100%;height:100%;object-fit:cover;transition:.4s}
.category-card:hover img{transform:scale(1.08)}
.category-card .overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.85) 0%,rgba(0,0,0,.1) 60%,transparent 100%);
  display:flex;align-items:flex-end;padding:20px;
}
.category-card .cat-name{color:#fff;font-size:1.25rem;font-weight:700;font-family:'Playfair Display',serif}
.category-card .cat-arrow{position:absolute;top:16px;right:16px;background:#fff;color:#111;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.9rem;opacity:0;transition:.3s}
.category-card:hover .cat-arrow{opacity:1}

/* ---------- Articles ---------- */
.articles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.article-card{
  background:#fff;border-radius:10px;overflow:hidden;
  box-shadow:0 4px 14px rgba(0,0,0,.06);
  transition:.25s;display:flex;flex-direction:column;
}
.article-card:hover{transform:translateY(-4px);box-shadow:0 14px 26px rgba(0,0,0,.12)}
.article-thumb{aspect-ratio:16/10;background:#eee;overflow:hidden}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.article-card:hover .article-thumb img{transform:scale(1.06)}
.article-body{padding:22px;display:flex;flex-direction:column;flex:1}
.article-tag{font-size:.75rem;color:#c8102e;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:8px}
.article-title{font-family:'Playfair Display',serif;font-size:1.2rem;margin-bottom:10px;line-height:1.35}
.article-title a{color:#111}
.article-title a:hover{color:#c8102e}
.article-excerpt{color:#555;font-size:.92rem;margin-bottom:16px;flex:1}
.article-more{color:#c8102e;font-weight:600;font-size:.9rem;margin-top:auto}

/* ---------- CTA Band ---------- */
.cta-band{
  background:linear-gradient(120deg,#111 0%,#c8102e 100%);
  color:#fff;padding:70px 20px;text-align:center;
}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#f0f0f0;margin-bottom:28px;max-width:640px;margin-left:auto;margin-right:auto}

/* ---------- Single Article Page ---------- */
.article-page{background:#fff;padding:60px 0}
.article-hero{
  background:linear-gradient(135deg,rgba(15,15,15,.7),rgba(200,16,46,.4)),
    url('https://images.unsplash.com/photo-1441986300917-64674bd600d8?w=1600&auto=format&fit=crop&q=70') center/cover;
  color:#fff;padding:80px 0;margin-bottom:40px;
}
.article-hero h1{color:#fff;font-size:2.6rem;max-width:900px}
.article-hero .meta{margin-top:14px;font-size:.9rem;opacity:.9}
.article-content{max-width:820px;margin:0 auto;font-size:1.05rem}
.article-content h2{border-left:4px solid #c8102e;padding-left:14px}
.article-content ul,.article-content ol{margin:0 0 1.2rem 1.4rem}
.article-content li{margin-bottom:.5rem}
.article-content .internal-link{background:#fff5f6;border-left:4px solid #c8102e;padding:16px 20px;margin:24px 0;border-radius:0 6px 6px 0}
.article-content .internal-link a{font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:#111;color:#bbb;padding:60px 0 24px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:36px;margin-bottom:36px}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:1rem;font-family:'Inter',sans-serif}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:#bbb}
.footer-col a:hover{color:#c8102e}
.footer-bottom{border-top:1px solid #222;padding-top:20px;text-align:center;color:#777;font-size:.85rem}

/* ---------- Responsive ---------- */
@media(max-width:768px){
  h1{font-size:2rem}
  .hero{padding:60px 0;min-height:auto}
  .hero h1{font-size:2.2rem}
  .section{padding:56px 0}
  .header-inner{flex-direction:column;align-items:flex-start}
  .main-nav ul{flex-wrap:wrap;gap:14px}
  .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;width:100%}
  .category-dropdown.open .dropdown-menu{display:block}
  .btn-group{flex-direction:column}
  .btn{width:100%;text-align:center}
}