/*
Theme Name: Zefoy Ultra
Theme URI: https://example.com/
Author: AI
Description: Fast, professional dark utility tools and article portal theme.
Version: 1.0
License: GPL-2.0-or-later
Text Domain: zefoy-ultra
*/
:root{--bg:#0f172a;--card:#1e293b;--text:#f8fafc;--muted:#94a3b8;--cyan:#22d3ee;--purple:#a855f7;--border:rgba(148,163,184,.15);--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(100% - 32px,var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(15,23,42,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:22px;font-weight:800}.brand span{color:var(--cyan)}.nav{display:flex;gap:24px;align-items:center}.nav a{color:#cbd5e1;font-weight:600}.nav a:hover{color:var(--cyan)}.menu-toggle{display:none;background:none;border:0;color:white;font-size:26px}
.hero{padding:80px 0 55px;text-align:center;background:radial-gradient(circle at 50% 0,rgba(34,211,238,.12),transparent 45%)}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.05;margin:0 0 18px}.hero p{max-width:720px;margin:0 auto 28px;color:var(--muted);font-size:18px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:13px 22px;background:linear-gradient(135deg,var(--cyan),var(--purple));color:white;font-weight:800;cursor:pointer}
.section{padding:55px 0}.section-title{text-align:center;margin:0 0 30px;font-size:32px}.tools-grid,.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tool-card,.post-card,.content-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:25px;box-shadow:0 12px 30px rgba(0,0,0,.15)}.tool-card h3{margin:0 0 8px}.tool-card p,.post-card p{color:var(--muted)}.tool-card .btn{width:100%;margin-top:12px}
.tool-wrap{padding:55px 0}.tool-box{max-width:760px;margin:auto;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:28px}.tool-box h1{margin-top:0}.tool-box label{display:block;font-weight:700;margin:16px 0 8px}.tool-box input{width:100%;padding:15px;border-radius:10px;border:1px solid #334155;background:#0f172a;color:white;outline:none}.tool-box input:focus{border-color:var(--cyan)}.notice{margin-top:15px;padding:12px;border-radius:10px;display:none}.notice.ok{display:block;background:rgba(34,197,94,.12);color:#86efac}.notice.err{display:block;background:rgba(239,68,68,.12);color:#fca5a5}.article{max-width:850px;margin:35px auto 0}.article h2{margin-top:35px}.article p,.article li{color:#cbd5e1}.faq{margin-top:25px}.faq details{background:#172338;border:1px solid var(--border);padding:15px;border-radius:10px;margin:10px 0}.site-footer{border-top:1px solid var(--border);padding:40px 0;color:var(--muted);margin-top:50px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-links{display:grid;gap:8px}.copyright{padding-top:25px;margin-top:25px;border-top:1px solid var(--border);font-size:14px}
@media(max-width:800px){.nav{display:none;position:absolute;left:0;right:0;top:72px;background:#0f172a;padding:20px;flex-direction:column;align-items:flex-start}.nav.open{display:flex}.menu-toggle{display:block}.tools-grid,.posts-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}}
@media(max-width:520px){.tools-grid,.posts-grid{grid-template-columns:1fr}.hero{padding:60px 0 40px}.tool-box{padding:20px}}

/* Article images only - existing tool UI remains unchanged */
.post-thumb{display:block;width:100%;aspect-ratio:16/9;overflow:hidden;background:#eee}
.post-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.article-featured-image{width:100%;margin:15px 0 22px}
.article-featured-image img{width:100%;height:auto;max-height:520px;object-fit:cover;border-radius:7px}