/*
Theme Name: TechFixy Cyberpunk
Theme URI: https://techfixy.online
Author: TechFixy
Description: Lightweight 3D cyberpunk dark theme for TechFixy.online - CSS-only 3D tilt effects, AdSense-ready ad slots, dark/light toggle, optimized for Core Web Vitals.
Version: 2.0
License: GNU General Public License v2 or later
Text Domain: techfixy
*/
:root{
  --bg:#0B0E14;--bg2:#0e1119;--card:#161B22;--bd:#232a35;
  --tx:#FFFFFF;--body:#E2E8F0;--mu:#8b95a5;
  --purple:#7C3AED;--cyan:#06B6D4;
  --hd:-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --radius:12px;
}
:root[data-theme="light"]{--bg:#f4f5fa;--bg2:#ffffff;--card:#ffffff;--bd:#e2e4ee;--tx:#12131c;--body:#3b3f4d;--mu:#6b7080}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font:16px/1.65 var(--hd);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:hover{color:var(--cyan)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1220px;margin:0 auto;padding:0 20px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
h1,h2,h3,h4{color:var(--tx);font-family:var(--hd);line-height:1.2;margin:0 0 .5em;font-weight:700}
.screen-reader-text{position:absolute;left:-9999px}
.gradient-text{background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.ic{width:1em;height:1em;display:inline-block;vertical-align:middle}
button{font-family:var(--hd)}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,14,20,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--bd)}
:root[data-theme="light"] .site-header{background:rgba(255,255,255,.8)}
.header-in{display:flex;align-items:center;gap:26px;height:74px}
.brand{display:flex;align-items:center}
.brand img{height:38px;width:auto}
.brand-text{font-weight:800;font-size:22px;letter-spacing:-.3px}
.main-nav{flex:1}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:26px}
.main-nav a{font-size:14.5px;font-weight:600;color:var(--body);padding:6px 0;position:relative}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:linear-gradient(90deg,var(--cyan),var(--purple));transition:right .25s}
.main-nav a:hover,.main-nav .current-menu-item>a{color:var(--tx)}
.main-nav a:hover::after,.main-nav .current-menu-item>a::after{right:0}
.hd-btn{background:var(--card);border:1px solid var(--bd);color:var(--tx);cursor:pointer;padding:9px;border-radius:9px;display:grid;place-items:center;transition:border-color .2s,transform .2s}
.hd-btn img{width:17px;height:17px}
.hd-btn:hover{border-color:var(--cyan);transform:translateY(-1px)}
.menu-toggle{display:none}
.search-drop{display:none;background:var(--bg2);border-bottom:1px solid var(--bd);padding:16px 0}
.search-drop.open{display:block}
.search-form{display:flex;gap:8px}
.search-form input[type=search]{flex:1;padding:12px 14px;background:var(--card);border:1px solid var(--bd);color:var(--tx);border-radius:8px}
.btn,.search-form input[type=submit],.newsletter button,.comment-form input[type=submit]{background:linear-gradient(90deg,var(--purple),var(--cyan));color:#fff;border:0;padding:13px 26px;border-radius:9px;font-weight:700;cursor:pointer;box-shadow:0 8px 24px -8px rgba(124,58,237,.6);transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px -6px rgba(6,182,212,.5)}
.btn-outline{background:var(--card);border:1px solid var(--bd);box-shadow:none;color:var(--tx)}

/* ---------- hero (CSS 3D tilt, no JS libraries) ---------- */
.hero{position:relative;padding:70px 0;overflow:hidden;border-bottom:1px solid var(--bd);background:radial-gradient(700px 380px at 78% 30%,rgba(124,58,237,.28),transparent 70%),radial-gradient(600px 340px at 15% 80%,rgba(6,182,212,.16),transparent 70%),var(--bg)}
.hero-in{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;perspective:1200px}
.hero .kicker{color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px}
.hero h1{font-size:clamp(32px,4.4vw,52px);margin-bottom:16px}
.hero p{color:var(--mu);max-width:500px;margin:0 0 24px;font-size:16.5px}
.hero .meta{margin-bottom:22px}
.hero-3d{border-radius:16px;overflow:hidden;transform-style:preserve-3d;will-change:transform;transition:transform .12s ease-out;box-shadow:0 30px 70px -20px rgba(124,58,237,.5),0 0 0 1px var(--bd)}
.hero-3d img{transform:translateZ(0)}
.meta{display:flex;align-items:center;gap:8px;color:var(--mu);font-size:13px;flex-wrap:wrap}
.meta img{border-radius:50%}

/* ---------- category cards (GPU-accelerated CSS 3D tilt) ---------- */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:30px 0}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;padding:22px;min-height:150px;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;background:var(--card) center/cover no-repeat;border:1px solid var(--bd);transform:translate3d(0,0,0);transition:transform .25s ease,box-shadow .25s ease;isolation:isolate}
.cat-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,20,.15),rgba(11,14,20,.85));z-index:0}
.cat-card:hover{transform:translate3d(0,-6px,0) scale(1.015);box-shadow:0 22px 40px -18px rgba(124,58,237,.55)}
.cat-card .cat-ic{position:relative;z-index:1;width:44px;height:44px;margin-bottom:6px;filter:drop-shadow(0 0 10px rgba(6,182,212,.5));transition:transform .25s}
.cat-card:hover .cat-ic{transform:translateZ(20px) scale(1.08)}
.cat-card strong{position:relative;z-index:1;font-size:17px;color:var(--tx)}
.cat-card span{position:relative;z-index:1;font-size:13px;color:#c7cede}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;padding:16px 0 40px}
.sec-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:14px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--tx)}
.sec-head a{color:var(--cyan);font-size:13px;font-weight:600;letter-spacing:0;text-transform:none}
.grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:16px}
.grid .card:first-child{grid-row:span 2}
.grid.plain{grid-template-columns:repeat(3,1fr)}
.grid.plain .card:first-child{grid-row:auto}
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transform:translate3d(0,0,0);transition:transform .25s,border-color .25s,box-shadow .25s}
.card:hover{transform:translate3d(0,-4px,0);border-color:var(--cyan);box-shadow:0 18px 34px -18px rgba(6,182,212,.4)}
.thumb{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#1a1030,#3b1a78);overflow:hidden}
.card:first-child .thumb{aspect-ratio:4/3}
.grid.plain .card:first-child .thumb{aspect-ratio:16/9}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .thumb img{transform:scale(1.05)}
.badge{position:absolute;left:10px;top:10px;background:rgba(11,14,20,.75);backdrop-filter:blur(6px);color:#fff;font-size:11px;padding:4px 10px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px;border:1px solid rgba(255,255,255,.15)}
.badge.windows{border-color:#3b82f6;color:#93c5fd}.badge.android{border-color:#22c55e;color:#86efac}.badge.security{border-color:#06b6d4;color:#67e8f9}.badge.tips-tricks{border-color:#f472b6;color:#f9a8d4}.badge.reviews{border-color:#a78bfa;color:#c4b5fd}.badge.internet{border-color:#a855f7;color:#d8b4fe}.badge.how-to{border-color:#f59e0b;color:#fcd34d}
.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:17px;margin:0}
.card:first-child h3{font-size:23px}
.card p{color:var(--mu);font-size:14px;margin:0}
.card .meta{margin-top:auto;font-size:12px}

/* ---------- sidebar ---------- */
.widget{background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.widget-title{font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--tx);margin-bottom:14px}
.pop{display:flex;gap:12px;padding:11px 0;border-top:1px solid var(--bd)}
.pop:first-of-type{border-top:0;padding-top:0}
.pop img,.pop .ph{width:54px;height:54px;border-radius:8px;object-fit:cover;flex:none;background:linear-gradient(135deg,#1a1030,#3b1a78)}
.pop h4{font:600 13.5px/1.35 inherit;margin:0 0 2px;color:var(--tx)}
.pop time{font-size:12px;color:var(--mu)}
.newsletter{background:var(--card) linear-gradient(160deg,rgba(124,58,237,.16),transparent 60%)}
.newsletter input[type=email]{width:100%;padding:12px;background:var(--bg);border:1px solid var(--bd);color:var(--tx);border-radius:8px;margin:8px 0 10px}
.newsletter button{width:100%}
.ad-slot{margin:22px 0;text-align:center;overflow:hidden}
.quote-banner{border-radius:var(--radius);overflow:hidden;margin-top:22px;border:1px solid var(--bd)}

/* ---------- single & pages ---------- */
.entry-title{font-size:clamp(28px,4vw,42px)}
.entry{max-width:760px}
.entry-content{font-size:17.5px;line-height:1.85;color:var(--body)}
.entry-content h2{font-size:27px;margin-top:1.6em;color:var(--tx)}.entry-content h3{font-size:21px;margin-top:1.4em;color:var(--tx)}
.entry-content a{color:var(--cyan);text-decoration:underline}
.entry-content img{border-radius:10px;margin:1em 0}
.entry-content blockquote{border-left:3px solid var(--purple);margin:1.4em 0;padding:4px 20px;color:var(--mu)}
.entry-content pre{background:var(--card);border:1px solid var(--bd);padding:16px;overflow:auto;border-radius:10px}
.feat{border-radius:12px;overflow:hidden;margin:20px 0}
.tags a{display:inline-block;background:var(--card);border:1px solid var(--bd);padding:5px 13px;border-radius:20px;font-size:13px;margin:0 6px 6px 0}
.author-box{display:flex;gap:16px;background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);padding:20px;margin:30px 0}
.author-box img{border-radius:50%}
.pagination{display:flex;gap:8px;margin-top:26px}
.pagination .page-numbers{padding:9px 15px;background:var(--card);border:1px solid var(--bd);border-radius:8px}
.pagination .current{background:linear-gradient(90deg,var(--purple),var(--cyan));border-color:transparent;color:#fff}
.comments-area{max-width:760px;margin-top:30px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;padding:12px;background:var(--card);border:1px solid var(--bd);color:var(--tx);border-radius:8px}
.comment-list{list-style:none;padding:0}.comment-body{background:var(--card);border:1px solid var(--bd);border-radius:var(--radius);padding:16px;margin-bottom:12px}
.page-head{padding:36px 0 8px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg2);border-top:1px solid var(--bd);margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding:46px 0 30px}
.site-footer h4{font:700 13px/1 var(--hd);letter-spacing:1px;text-transform:uppercase;color:var(--tx);margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px;font-size:14px;color:var(--mu)}
.site-footer p{color:var(--mu);font-size:14px}
.foot-brand img{height:32px;margin-bottom:12px}
.social{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.social a{width:38px;height:38px;border-radius:10px;background:var(--card);border:1px solid var(--bd);display:grid;place-items:center;transition:border-color .2s,transform .2s}
.social a:hover{border-color:var(--cyan);transform:translateY(-2px)}
.social img{width:18px;height:18px}
.copy{border-top:1px solid var(--bd);text-align:center;padding:18px;color:var(--mu);font-size:13px}
.to-top{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--purple),var(--cyan));border:0;cursor:pointer;display:none;place-items:center;box-shadow:0 10px 24px -8px rgba(124,58,237,.6)}
.to-top img{width:18px;height:18px}
.to-top.show{display:grid}

/* ---------- responsive ---------- */
@media(max-width:1000px){.layout{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}.grid,.grid.plain{grid-template-columns:1fr 1fr}.grid .card:first-child{grid-column:span 2;grid-row:auto}}
@media(max-width:760px){.hero-in{grid-template-columns:1fr}.hero{padding:40px 0}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:74px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--bd);padding:10px 20px;z-index:60}.main-nav.open{display:block}.main-nav ul{flex-direction:column;gap:0}.main-nav a{padding:12px 0;display:block}.cats{grid-template-columns:1fr 1fr}.grid,.grid.plain,.foot-grid{grid-template-columns:1fr}.grid .card:first-child{grid-column:auto}}