/*
Theme Name: Litbuy SEO
Theme URI: https://sheetfinds.com/
Author: Litbuy Team
Author URI: https://sheetfinds.com/
Description: A bright, clean SEO-optimized WordPress theme built around Litbuy Spreadsheet. Features a soft pastel palette, category dropdown menu, product category cards, and auto-generated SEO article structure. Perfect for driving traffic to sheetfinds.com.
Version: 1.0.0
Requires at least: 5.8
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: litbuy-seo
Tags: blog, e-commerce, one-column, two-columns, right-sidebar, custom-menu, featured-images, threaded-comments, translation-ready, seo-friendly
*/

/* ==========================================================
   Litbuy SEO Theme — Base Styles
   Palette: soft mint, coral, sky, lavender, sunshine
   ========================================================== */

:root{
    --c-bg:        #FFFDF7;
    --c-bg-2:      #FFF5EC;
    --c-ink:       #1F2A44;
    --c-ink-2:     #4A5578;
    --c-muted:     #7A8299;
    --c-line:      #ECE7DD;

    --c-mint:      #B8ECD5;
    --c-mint-ink:  #0E7A55;
    --c-coral:     #FFC9C0;
    --c-coral-ink: #C2410C;
    --c-sky:       #C8E2FF;
    --c-sky-ink:   #1E58C0;
    --c-lav:       #E1D5FF;
    --c-lav-ink:   #6B36C0;
    --c-sun:       #FFE7A3;
    --c-sun-ink:   #8A6A00;
    --c-peach:     #FFD9B8;
    --c-peach-ink: #B34A00;
    --c-rose:      #FFD4E5;
    --c-rose-ink:  #B4267A;
    --c-lemon:     #F1F5A0;
    --c-lemon-ink: #6C6A00;
    --c-aqua:      #C4EFEA;
    --c-aqua-ink:  #0D6B62;
    --c-blush:     #FFDCE0;
    --c-blush-ink: #B02040;
    --c-lilac:     #DCE3FF;
    --c-lilac-ink: #33499F;

    --brand:       #FF6B6B;
    --brand-2:     #4ECDC4;
    --brand-3:     #FFD166;
    --brand-grad:  linear-gradient(135deg, #FF6B6B 0%, #FFD166 50%, #4ECDC4 100%);

    --radius:      18px;
    --radius-sm:   12px;
    --radius-lg:   28px;
    --shadow-sm:   0 2px 10px rgba(31,42,68,.06);
    --shadow-md:   0 12px 30px rgba(31,42,68,.08);
    --shadow-lg:   0 20px 50px rgba(31,42,68,.12);

    --f-sans: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --f-head: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    margin:0;
    font-family:var(--f-sans);
    color:var(--c-ink);
    background:var(--c-bg);
    line-height:1.65;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-sky-ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}

h1,h2,h3,h4,h5,h6{
    font-family:var(--f-head);
    color:var(--c-ink);
    line-height:1.25;
    margin:0 0 .6em;
    font-weight:700;
    letter-spacing:-.01em;
}
h1{font-size:clamp(2rem,4vw,3.2rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
p{margin:0 0 1em}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:70px 0}
.section--tight{padding:40px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 44px}
.section-head .eyebrow{
    display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.15em;
    text-transform:uppercase;color:var(--brand);background:#FFE9E5;
    padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head p{color:var(--c-ink-2);font-size:1.05rem}

/* -------------- Header -------------- */
.site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,253,247,.92);
    backdrop-filter:saturate(140%) blur(12px);
    -webkit-backdrop-filter:saturate(140%) blur(12px);
    border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-logo{
    width:38px;height:38px;border-radius:12px;
    background:var(--brand-grad);
    display:grid;place-items:center;color:#fff;font-weight:800;
    box-shadow:var(--shadow-sm);
}
.brand-name{font-family:var(--f-head);font-weight:800;font-size:1.2rem;color:var(--c-ink);letter-spacing:-.02em}
.brand-name span{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.nav-toggle{
    display:none;background:transparent;border:0;padding:8px;cursor:pointer;
    color:var(--c-ink);
}
.nav-toggle svg{width:26px;height:26px}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
    color:var(--c-ink);font-weight:500;padding:8px 14px;border-radius:10px;font-size:.95rem;
}
.main-nav a:hover{background:var(--c-bg-2);color:var(--brand)}

/* Dropdown */
.has-dropdown{position:relative}
.dropdown-toggle{
    display:inline-flex;align-items:center;gap:6px;cursor:pointer;background:transparent;border:0;
    color:var(--c-ink);font:inherit;font-weight:500;padding:8px 14px;border-radius:10px;font-size:.95rem;
}
.dropdown-toggle:hover{background:var(--c-bg-2);color:var(--brand)}
.dropdown-toggle svg{width:14px;height:14px;transition:transform .2s}
.has-dropdown.open .dropdown-toggle svg,
.has-dropdown:hover .dropdown-toggle svg{transform:rotate(180deg)}

.dropdown-menu{
    position:absolute;top:calc(100% + 8px);left:0;min-width:240px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
    box-shadow:var(--shadow-md);padding:10px;
    opacity:0;visibility:hidden;transform:translateY(6px);
    transition:all .2s ease;z-index:120;
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{
    display:block;padding:9px 12px;border-radius:10px;color:var(--c-ink);font-size:.92rem;font-weight:500;
}
.dropdown-menu a:hover{background:var(--c-bg-2);color:var(--brand);transform:translateX(2px)}
.dropdown-menu.dropdown--wide{min-width:260px}

.header-cta{display:flex;align-items:center;gap:10px}
.header-cta .btn{padding:9px 18px;font-size:.9rem}

/* -------------- Buttons -------------- */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:14px 26px;border-radius:999px;font-weight:600;font-size:1rem;
    text-decoration:none;transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
    border:0;cursor:pointer;line-height:1;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 24px rgba(255,107,107,.35)}
.btn-primary:hover{color:#fff;box-shadow:0 12px 30px rgba(255,107,107,.45)}
.btn-secondary{background:#fff;color:var(--c-ink);border:2px solid var(--c-line)}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-ghost{background:transparent;color:var(--c-ink);border:2px solid var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);color:#fff}
.btn-mint{background:var(--c-mint);color:var(--c-mint-ink)}
.btn-mint:hover{background:#a3e5c8;color:var(--c-mint-ink)}
.btn-sky{background:var(--c-sky);color:var(--c-sky-ink)}
.btn-sky:hover{background:#b3d5ff;color:var(--c-sky-ink)}
.btn-lg{padding:18px 34px;font-size:1.05rem}
.btn-sm{padding:10px 18px;font-size:.88rem}
.btn svg{width:18px;height:18px}

/* -------------- Hero -------------- */
.hero{
    position:relative;overflow:hidden;
    padding:90px 0 80px;
    background:
        radial-gradient(1200px 500px at 10% -10%, rgba(255,209,102,.35), transparent 60%),
        radial-gradient(900px 400px at 90% 10%, rgba(78,205,196,.25), transparent 60%),
        radial-gradient(700px 400px at 50% 100%, rgba(255,107,107,.18), transparent 60%),
        var(--c-bg);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.7;z-index:0;pointer-events:none}
.hero-blob.b1{width:280px;height:280px;background:var(--c-coral);top:-60px;left:-60px}
.hero-blob.b2{width:220px;height:220px;background:var(--c-mint);bottom:-40px;right:10%}
.hero-blob.b3{width:180px;height:180px;background:var(--c-sky);top:40%;right:-30px}
.hero-inner{position:relative;z-index:1;text-align:center;max-width:820px;margin:0 auto}
.hero .eyebrow{
    display:inline-flex;align-items:center;gap:8px;background:#fff;
    padding:8px 18px;border-radius:999px;font-size:.85rem;font-weight:600;
    color:var(--c-ink-2);box-shadow:var(--shadow-sm);margin-bottom:24px;
}
.hero .eyebrow .dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.25)}
.hero h1{margin-bottom:20px}
.hero h1 .grad{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:1.15rem;color:var(--c-ink-2);max-width:660px;margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
    max-width:640px;margin:56px auto 0;
}
.hero-stat{
    background:#fff;border-radius:var(--radius);padding:20px;text-align:center;
    box-shadow:var(--shadow-sm);border:1px solid var(--c-line);
}
.hero-stat .num{font-family:var(--f-head);font-weight:800;font-size:1.6rem;color:var(--c-ink);display:block}
.hero-stat .lbl{font-size:.82rem;color:var(--c-muted);text-transform:uppercase;letter-spacing:.08em}

/* -------------- Feature strip -------------- */
.feature-strip{
    background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
    padding:26px 0;
}
.feature-strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fs-item{display:flex;align-items:center;gap:12px}
.fs-icon{
    width:44px;height:44px;border-radius:12px;flex-shrink:0;
    display:grid;place-items:center;font-size:1.3rem;
}
.fs-item:nth-child(1) .fs-icon{background:var(--c-mint);color:var(--c-mint-ink)}
.fs-item:nth-child(2) .fs-icon{background:var(--c-sky);color:var(--c-sky-ink)}
.fs-item:nth-child(3) .fs-icon{background:var(--c-coral);color:var(--c-coral-ink)}
.fs-item:nth-child(4) .fs-icon{background:var(--c-lav);color:var(--c-lav-ink)}
.fs-item .t{font-weight:600;font-size:.95rem;color:var(--c-ink);display:block}
.fs-item .s{font-size:.82rem;color:var(--c-muted)}

/* -------------- Categories -------------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{
    display:flex;flex-direction:column;gap:14px;
    background:#fff;border-radius:var(--radius);padding:26px 22px;
    text-decoration:none;box-shadow:var(--shadow-sm);
    border:1px solid var(--c-line);
    transition:transform .25s ease, box-shadow .25s ease;
    position:relative;overflow:hidden;
}
.cat-card::after{
    content:'';position:absolute;right:-30px;top:-30px;
    width:110px;height:110px;border-radius:50%;opacity:.6;
    transition:transform .3s ease;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.cat-card:hover::after{transform:scale(1.15)}
.cat-icon{
    width:52px;height:52px;border-radius:14px;
    display:grid;place-items:center;font-size:1.5rem;position:relative;z-index:1;
}
.cat-card h3{font-size:1.15rem;margin:0;color:var(--c-ink);position:relative;z-index:1}
.cat-card p{margin:0;font-size:.88rem;color:var(--c-muted);position:relative;z-index:1}
.cat-more{
    margin-top:auto;font-size:.85rem;font-weight:600;color:var(--brand);
    display:inline-flex;align-items:center;gap:4px;position:relative;z-index:1;
}
.cat-more::after{content:'→';transition:transform .2s}
.cat-card:hover .cat-more::after{transform:translateX(4px)}

/* Category color variants */
.cat-1  .cat-icon{background:var(--c-mint);color:var(--c-mint-ink)}   .cat-1::after{background:var(--c-mint)}
.cat-2  .cat-icon{background:var(--c-coral);color:var(--c-coral-ink)} .cat-2::after{background:var(--c-coral)}
.cat-3  .cat-icon{background:var(--c-sky);color:var(--c-sky-ink)}     .cat-3::after{background:var(--c-sky)}
.cat-4  .cat-icon{background:var(--c-lav);color:var(--c-lav-ink)}     .cat-4::after{background:var(--c-lav)}
.cat-5  .cat-icon{background:var(--c-sun);color:var(--c-sun-ink)}     .cat-5::after{background:var(--c-sun)}
.cat-6  .cat-icon{background:var(--c-peach);color:var(--c-peach-ink)} .cat-6::after{background:var(--c-peach)}
.cat-7  .cat-icon{background:var(--c-rose);color:var(--c-rose-ink)}   .cat-7::after{background:var(--c-rose)}
.cat-8  .cat-icon{background:var(--c-lemon);color:var(--c-lemon-ink)} .cat-8::after{background:var(--c-lemon)}
.cat-9  .cat-icon{background:var(--c-aqua);color:var(--c-aqua-ink)}   .cat-9::after{background:var(--c-aqua)}
.cat-10 .cat-icon{background:var(--c-blush);color:var(--c-blush-ink)} .cat-10::after{background:var(--c-blush)}
.cat-11 .cat-icon{background:var(--c-lilac);color:var(--c-lilac-ink)} .cat-11::after{background:var(--c-lilac)}

/* -------------- About / Content section -------------- */
.about-wrap{
    background:linear-gradient(135deg, #FFF5EC 0%, #FFFDF7 60%, #EAF7F5 100%);
    border-radius:var(--radius-lg);padding:60px 50px;
}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.about-grid h2{margin-bottom:18px}
.about-grid p{color:var(--c-ink-2);font-size:1.02rem}
.about-list{list-style:none;padding:0;margin:22px 0 30px}
.about-list li{
    display:flex;align-items:flex-start;gap:12px;margin-bottom:14px;
    color:var(--c-ink-2);font-size:.98rem;
}
.about-list .check{
    width:22px;height:22px;border-radius:50%;background:var(--c-mint);color:var(--c-mint-ink);
    display:grid;place-items:center;flex-shrink:0;font-weight:800;font-size:.75rem;margin-top:2px;
}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-card{
    background:#fff;border-radius:var(--radius);padding:22px;
    box-shadow:var(--shadow-sm);border:1px solid var(--c-line);
}
.about-card:nth-child(2){margin-top:30px}
.about-card:nth-child(3){margin-top:-10px}
.about-card .ico{
    width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
    font-size:1.3rem;margin-bottom:12px;
}
.about-card:nth-child(1) .ico{background:var(--c-coral);color:var(--c-coral-ink)}
.about-card:nth-child(2) .ico{background:var(--c-sky);color:var(--c-sky-ink)}
.about-card:nth-child(3) .ico{background:var(--c-lav);color:var(--c-lav-ink)}
.about-card:nth-child(4) .ico{background:var(--c-mint);color:var(--c-mint-ink)}
.about-card h4{font-size:1rem;margin:0 0 6px}
.about-card p{margin:0;font-size:.86rem;color:var(--c-muted)}

/* -------------- CTA banner -------------- */
.cta-banner{
    background:var(--brand-grad);color:#fff;
    border-radius:var(--radius-lg);padding:56px 40px;text-align:center;
    box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.cta-banner::before,.cta-banner::after{
    content:'';position:absolute;border-radius:50%;background:rgba(255,255,255,.15);
}
.cta-banner::before{width:200px;height:200px;top:-60px;left:-40px}
.cta-banner::after{width:260px;height:260px;bottom:-100px;right:-50px}
.cta-banner h2{color:#fff;margin-bottom:12px;position:relative;z-index:1}
.cta-banner p{color:rgba(255,255,255,.92);max-width:600px;margin:0 auto 24px;font-size:1.05rem;position:relative;z-index:1}
.cta-banner .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.cta-banner .btn-primary{background:#fff;color:var(--brand);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.cta-banner .btn-primary:hover{color:var(--brand)}
.cta-banner .btn-ghost{border-color:#fff;color:#fff}
.cta-banner .btn-ghost:hover{background:#fff;color:var(--brand)}

/* -------------- Articles / Guides -------------- */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.article-card{
    background:#fff;border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow-sm);border:1px solid var(--c-line);
    transition:transform .25s ease, box-shadow .25s ease;
    display:flex;flex-direction:column;text-decoration:none;color:inherit;
}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);color:inherit}
.article-thumb{
    aspect-ratio:16/9;position:relative;overflow:hidden;
    display:grid;place-items:center;font-size:2.4rem;color:#fff;
}
.article-thumb::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(135deg, rgba(255,255,255,.15), rgba(0,0,0,.05));
}
.article-card .body{padding:22px;flex:1;display:flex;flex-direction:column;gap:10px}
.article-card .tag{
    display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
    background:var(--c-bg-2);color:var(--c-ink-2);padding:5px 10px;border-radius:999px;align-self:flex-start;
}
.article-card h3{font-size:1.05rem;margin:0;line-height:1.4}
.article-card .excerpt{font-size:.88rem;color:var(--c-muted);margin:0;flex:1}
.article-card .meta{display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--c-muted);margin-top:6px}
.article-card .read{color:var(--brand);font-weight:600;font-size:.85rem;display:inline-flex;align-items:center;gap:4px}
.article-card .read::after{content:'→';transition:transform .2s}
.article-card:hover .read::after{transform:translateX(4px)}

/* thumb colour cycle */
.at-1{background:linear-gradient(135deg,#B8ECD5,#4ECDC4)}
.at-2{background:linear-gradient(135deg,#FFC9C0,#FF6B6B)}
.at-3{background:linear-gradient(135deg,#C8E2FF,#4E9DFF)}
.at-4{background:linear-gradient(135deg,#E1D5FF,#A88BFF)}
.at-5{background:linear-gradient(135deg,#FFE7A3,#FFB84C)}
.at-6{background:linear-gradient(135deg,#FFD9B8,#FF9C5B)}
.at-7{background:linear-gradient(135deg,#FFD4E5,#FF8FBC)}
.at-8{background:linear-gradient(135deg,#F1F5A0,#D4D95B)}
.at-9{background:linear-gradient(135deg,#C4EFEA,#5FBFB4)}
.at-10{background:linear-gradient(135deg,#FFDCE0,#FF8898)}
.at-11{background:linear-gradient(135deg,#DCE3FF,#8FA1FF)}

.section-actions{text-align:center;margin-top:40px}

/* -------------- FAQ -------------- */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
    background:#fff;border-radius:var(--radius);border:1px solid var(--c-line);
    box-shadow:var(--shadow-sm);overflow:hidden;
}
.faq-q{
    width:100%;text-align:left;background:transparent;border:0;padding:20px 24px;
    font:inherit;font-weight:600;color:var(--c-ink);cursor:pointer;
    display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:1rem;
}
.faq-q .plus{
    width:26px;height:26px;border-radius:50%;background:var(--c-bg-2);
    display:grid;place-items:center;flex-shrink:0;transition:transform .2s;color:var(--brand);font-weight:800;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:300px;padding-bottom:20px}
.faq-a p{margin:0;color:var(--c-ink-2);font-size:.95rem;line-height:1.7}

/* -------------- Single post -------------- */
.post-hero{
    background:linear-gradient(135deg, #FFF5EC, #EAF7F5);
    padding:60px 0 40px;border-bottom:1px solid var(--c-line);
}
.post-hero .crumbs{font-size:.85rem;color:var(--c-muted);margin-bottom:14px}
.post-hero .crumbs a{color:var(--c-ink-2)}
.post-hero .tag{
    display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
    background:#fff;color:var(--brand);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.post-hero h1{max-width:900px;margin-bottom:14px}
.post-meta{display:flex;gap:14px;color:var(--c-muted);font-size:.9rem;flex-wrap:wrap}
.post-meta span{display:inline-flex;align-items:center;gap:6px}

.post-layout{display:grid;grid-template-columns:1fr 300px;gap:50px;padding:60px 0}
.post-content{max-width:none}
.post-content h2{margin-top:1.6em;margin-bottom:.6em;font-size:1.7rem}
.post-content h3{margin-top:1.4em;margin-bottom:.5em;font-size:1.3rem}
.post-content p{color:var(--c-ink-2);font-size:1.03rem;line-height:1.8}
.post-content ul,.post-content ol{color:var(--c-ink-2);padding-left:22px;margin:0 0 1.4em}
.post-content ul li,.post-content ol li{margin-bottom:8px}
.post-content strong{color:var(--c-ink)}
.post-content blockquote{
    margin:1.6em 0;padding:20px 26px;background:var(--c-bg-2);
    border-left:4px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
    color:var(--c-ink-2);font-style:italic;
}
.post-content .internal-link-box{
    background:linear-gradient(135deg, #FFF5EC, #EAF7F5);
    border-radius:var(--radius);padding:26px;margin:34px 0;
    border:1px solid var(--c-line);
}
.post-content .internal-link-box h4{margin:0 0 8px;font-size:1.05rem}
.post-content .internal-link-box p{margin:0 0 14px;font-size:.95rem}
.post-content .internal-link-box .btn{margin-right:8px}

.post-sidebar{position:sticky;top:100px;align-self:start;display:flex;flex-direction:column;gap:20px}
.sb-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.sb-card h4{margin:0 0 14px;font-size:1rem;display:flex;align-items:center;gap:8px}
.sb-list{list-style:none;padding:0;margin:0}
.sb-list li{margin-bottom:8px}
.sb-list a{color:var(--c-ink-2);font-size:.9rem;display:flex;justify-content:space-between;gap:10px;padding:6px 0;border-bottom:1px dashed var(--c-line)}
.sb-list a:hover{color:var(--brand)}
.sb-list a:last-child{border-bottom:0}
.sb-cta{
    background:var(--brand-grad);color:#fff;border-radius:var(--radius);padding:26px;
    box-shadow:var(--shadow-md);text-align:center;
}
.sb-cta h4{color:#fff;margin-bottom:8px;font-size:1.1rem}
.sb-cta p{color:rgba(255,255,255,.9);font-size:.88rem;margin-bottom:16px}
.sb-cta .btn{background:#fff;color:var(--brand);padding:11px 20px;font-size:.9rem}
.sb-cta .btn:hover{color:var(--brand)}

.post-nav{
    display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:40px 0 0;
    padding-top:30px;border-top:1px solid var(--c-line);
}
.post-nav a{
    display:block;padding:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
    text-decoration:none;color:var(--c-ink);transition:all .2s ease;
}
.post-nav a:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.post-nav .dir{font-size:.78rem;color:var(--c-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:6px}
.post-nav .ttl{font-weight:600;font-size:.98rem;line-height:1.4}
.post-nav .next{text-align:right}

/* -------------- Footer -------------- */
.site-footer{
    background:#1F2A44;color:#B8C1D9;padding:60px 0 30px;margin-top:60px;
}
.site-footer a{color:#B8C1D9}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:.9rem;color:#8E97B3;margin-top:12px;max-width:320px}
.footer-col h5{color:#fff;font-size:.95rem;margin:0 0 16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px;font-size:.9rem}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);padding-top:24px;
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#8E97B3;
}

/* -------------- Utility -------------- */
.text-center{text-align:center}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}
.hidden{display:none}

/* -------------- Responsive -------------- */
@media (max-width: 1024px){
    .cat-grid{grid-template-columns:repeat(3,1fr)}
    .article-grid{grid-template-columns:repeat(2,1fr)}
    .feature-strip-grid{grid-template-columns:repeat(2,1fr)}
    .about-grid{grid-template-columns:1fr;gap:30px}
    .post-layout{grid-template-columns:1fr}
    .post-sidebar{position:static}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 768px){
    .section{padding:50px 0}
    .nav-toggle{display:inline-flex}
    .main-nav{
        display:none;position:absolute;top:74px;left:0;right:0;background:#fff;
        flex-direction:column;align-items:stretch;gap:0;padding:14px;
        border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-md);
    }
    .main-nav.open{display:flex}
    .main-nav a,.dropdown-toggle{padding:12px 14px;width:100%;text-align:left;justify-content:space-between}
    .dropdown-menu{
        position:static;box-shadow:none;border:0;padding:0 0 0 14px;
        opacity:1;visibility:visible;transform:none;
        max-height:0;overflow:hidden;transition:max-height .3s;
    }
    .has-dropdown.open .dropdown-menu{max-height:600px}
    .header-cta .btn{display:none}
    .header-cta .btn.btn-primary{display:inline-flex}
    .hero{padding:70px 0 60px}
    .hero-stats{grid-template-columns:1fr;gap:12px}
    .cat-grid{grid-template-columns:repeat(2,1fr)}
    .article-grid{grid-template-columns:1fr}
    .feature-strip-grid{grid-template-columns:1fr;gap:14px}
    .about-wrap{padding:40px 24px}
    .about-cards{grid-template-columns:1fr}
    .about-card:nth-child(n){margin-top:0}
    .cta-banner{padding:40px 24px}
    .footer-grid{grid-template-columns:1fr}
    .post-nav{grid-template-columns:1fr}
}