/* Ace Tools Hub — premium light theme, mobile-first */
:root{
    --navy:#0b1f3a;
    --navy-2:#12294d;
    --gold:#c9a227;
    --gold-soft:#f5ead0;
    --ink:#1b2432;
    --muted:#5b6678;
    --line:#e6e9f0;
    --bg:#f7f8fb;
    --card:#ffffff;
    --radius:16px;
    --shadow:0 8px 28px rgba(11,31,58,.08);
    --shadow-sm:0 2px 10px rgba(11,31,58,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
a{color:inherit}
img{max-width:100%}

/* ---------- header ---------- */
.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(0,0,0,.18)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--gold),#e8c85a);color:var(--navy);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:19px}
.brand-text{font-weight:700;font-size:17px;letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--gold)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav>a,.drop-toggle{color:#dbe3f0;text-decoration:none;font-weight:600;font-size:15px;padding:10px 14px;border-radius:10px;display:inline-flex;align-items:center;gap:6px}
.main-nav>a:hover,.drop-toggle:hover{background:rgba(255,255,255,.08);color:#fff}
.main-nav>a.active,.drop-toggle.active{color:var(--gold)}
.drop-toggle svg{width:14px;height:14px}
.nav-drop{position:relative}
.mega{display:none;position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;display:grid;grid-template-columns:repeat(3,minmax(190px,1fr));gap:20px;min-width:640px;border:1px solid var(--line)}
.nav-drop:hover .mega,.nav-drop:focus-within .mega{display:grid}
.mega-col .mega-cat{display:flex;align-items:center;gap:8px;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.6px;color:var(--cc);margin-bottom:8px}
.mega-cat svg{width:18px;height:18px}
.mega-col a{display:block;text-decoration:none;font-size:14px;padding:6px 0;color:var(--ink);border-bottom:1px solid #f1f3f7}
.mega-col a:hover{color:var(--gold);padding-left:4px}
.mega-col a:last-child{border-bottom:0}
.nav-burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.nav-burger span{width:24px;height:2.5px;background:#fff;border-radius:2px;display:block}
.mobile-drawer{display:none;background:var(--navy-2);padding:10px 20px 26px;max-height:70vh;overflow:auto}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;color:#e6ecf5;text-decoration:none;padding:11px 4px;border-bottom:1px solid rgba(255,255,255,.08);font-weight:600}
.drawer-label{color:var(--gold);font-size:12px;text-transform:uppercase;letter-spacing:1px;margin:14px 0 4px;font-weight:700}
.drawer-cat{display:flex;align-items:center;gap:8px;color:var(--cc);font-weight:700;font-size:14px;margin:12px 0 2px}
.drawer-cat svg{width:17px;height:17px}
.mobile-drawer a.drawer-tool{padding:8px 4px 8px 26px;font-weight:500;font-size:14px;color:#c9d4e6}

/* ---------- hero ---------- */
.hero{background:linear-gradient(160deg,var(--navy) 0%,#14315e 70%,#1a3a6b 100%);color:#fff;padding:72px 0 60px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,39,.28),transparent 70%)}
.eyebrow{color:var(--gold);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:14px}
.hero h1{font-size:clamp(30px,6vw,52px);line-height:1.12;font-weight:800;letter-spacing:-.5px}
.hero h1 span{color:var(--gold)}
.hero .lede{color:#c4cfe2;font-size:17px;max-width:620px;margin:16px 0 26px}
.search-box{display:flex;align-items:center;gap:10px;background:#fff;border-radius:14px;padding:6px 6px 6px 16px;max-width:560px;box-shadow:var(--shadow)}
.search-box svg{width:20px;height:20px;color:var(--muted);flex:none}
.search-box input{border:0;outline:0;flex:1;font-size:16px;padding:12px 8px;background:transparent;color:var(--ink);min-width:0}

/* ---------- directory ---------- */
.directory{padding:44px 0 20px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.chip{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.chip span{background:#eef1f6;border-radius:999px;font-size:12px;padding:2px 9px;color:var(--muted)}
.chip:hover{border-color:var(--navy)}
.chip.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.chip.active span{background:rgba(255,255,255,.18);color:#fff}
.chip[data-cat]:not([data-cat="all"]).active{background:var(--cc);border-color:var(--cc)}
.result-count{color:var(--muted);font-size:14px;margin:10px 2px 18px;min-height:20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-link{display:block;text-decoration:none;padding:22px;height:100%}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.icon-badge{width:46px;height:46px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;color:var(--cc,#0b1f3a);background:#eef2f7;background:color-mix(in srgb,var(--cc,#0b1f3a) 12%,#fff)}
.icon-badge svg{width:24px;height:24px}
.icon-badge.xl{width:72px;height:72px;border-radius:20px}
.icon-badge.xl svg{width:36px;height:36px}
.card h3{font-size:18px;font-weight:750;letter-spacing:-.2px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:16px;min-height:44px}
.card-foot{display:flex;justify-content:space-between;align-items:center}
.pill{font-size:12px;font-weight:700;border-radius:999px;padding:4px 12px}
.pill-cat{color:var(--cc);background:#eef2f7;background:color-mix(in srgb,var(--cc) 12%,#fff)}
.pill-private{color:#92400e;background:#fef3c7}
.pill-public{color:#065f46;background:#d1fae5}
.learn{font-weight:700;font-size:14px;color:var(--navy)}
.card:hover .learn{color:var(--gold)}
.empty{text-align:center;padding:60px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);margin-top:10px}
.empty h3{margin-bottom:6px}
.empty p{color:var(--muted);margin-bottom:16px}

/* ---------- buttons ---------- */
.btn-gold{display:inline-block;background:linear-gradient(135deg,var(--gold),#dcb93f);color:var(--navy);font-weight:800;text-decoration:none;padding:14px 30px;border-radius:12px;font-size:16px;box-shadow:0 6px 18px rgba(201,162,39,.35)}
.btn-gold:hover{filter:brightness(1.05)}
.btn-gold.big{padding:16px 40px;font-size:17px}
.btn-navy{display:inline-block;background:var(--navy);color:#fff;font-weight:700;text-decoration:none;padding:12px 22px;border-radius:12px;font-size:15px;width:100%;text-align:center;margin-top:14px}
.btn-navy:hover{background:var(--navy-2)}
.btn-ghost{display:inline-block;background:#fff;border:1.5px solid var(--line);color:var(--navy);font-weight:700;text-decoration:none;padding:12px 26px;border-radius:12px;font-size:15px;cursor:pointer}
.btn-ghost:hover{border-color:var(--navy)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--navy);color:#fff;margin-top:56px;padding:56px 0;text-align:center}
.cta-band h2{font-size:clamp(24px,4vw,34px);margin-bottom:10px}
.cta-band h2 span{color:var(--gold)}
.cta-band p{color:#c4cfe2;max-width:520px;margin:0 auto 24px}

/* ---------- footer ---------- */
.site-footer{background:#081426;color:#aeb9cf;padding:44px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;padding-bottom:32px}
.footer-brand{display:flex;gap:12px;align-items:flex-start}
.footer-brand strong{color:#fff;font-size:16px}
.footer-brand p{font-size:14px;margin-top:4px}
.footer-links strong{display:block;color:#fff;margin-bottom:10px;font-size:14px}
.footer-links a{display:block;color:#aeb9cf;text-decoration:none;font-size:14px;padding:4px 0}
.footer-links a:hover{color:var(--gold)}
.footer-base{border-top:1px solid rgba(255,255,255,.08);padding:18px 20px;font-size:13px}

/* ---------- tool detail ---------- */
.tool-hero{background:linear-gradient(160deg,var(--navy),#14315e);color:#fff;padding:40px 0 46px}
.crumbs{font-size:13.5px;color:#9fb0cc;margin-bottom:22px}
.crumbs a{color:#cdd8ea;text-decoration:none}
.crumbs a:hover{color:var(--gold)}
.crumbs span{margin:0 6px}
.tool-hero-inner{display:flex;gap:22px;align-items:flex-start}
.tool-badges{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.tool-hero h1{font-size:clamp(28px,5vw,44px);letter-spacing:-.5px;line-height:1.15}
.tool-hero .lede{color:#c4cfe2;font-size:17px;margin-top:10px;max-width:640px}
.tool-body{display:grid;grid-template-columns:1.7fr 1fr;gap:28px;padding:40px 20px}
.tool-main h2{font-size:21px;margin:26px 0 12px;letter-spacing:-.3px}
.tool-main h2:first-child{margin-top:0}
.tool-desc{font-size:16.5px;color:#33405a}
.feat-list{list-style:none;display:grid;gap:12px}
.feat-list li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px 14px 44px;position:relative;font-size:15px;box-shadow:var(--shadow-sm)}
.feat-list li::before{content:"✓";position:absolute;left:16px;top:14px;color:var(--gold);font-weight:800}
.tool-cta{margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow-sm)}
.cta-note{color:var(--muted);font-size:13px;margin-top:10px}
.tool-side .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);position:sticky;top:88px}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-card dl{display:grid;gap:12px}
.side-card dl>div{display:flex;justify-content:space-between;gap:12px;font-size:14px;border-bottom:1px solid #f1f3f7;padding-bottom:12px}
.side-card dt{color:var(--muted)}
.side-card dd{font-weight:600;text-align:right}
.side-card dd.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.related{padding:10px 20px 60px}
.related h2{font-size:22px;margin-bottom:18px}
.notfound{text-align:center;padding:80px 20px}
.notfound h1{margin-bottom:10px}
.notfound p{color:var(--muted);margin-bottom:22px}

/* ---------- about / contact ---------- */
.page-hero{background:linear-gradient(160deg,var(--navy),#14315e);color:#fff;padding:60px 0 50px}
.page-hero h1{font-size:clamp(28px,5vw,46px);line-height:1.12;letter-spacing:-.5px}
.page-hero h1 span{color:var(--gold)}
.page-hero .lede{color:#c4cfe2;margin-top:14px;max-width:600px;font-size:17px}
.prose{padding:44px 20px;max-width:800px}
.prose p{font-size:16.5px;color:#33405a;margin-bottom:18px}
.prose h2{font-size:22px;margin:30px 0 12px}
.prose-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;padding:44px 20px 64px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-decoration:none;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.contact-card h3{font-size:18px;margin:14px 0 4px}
.contact-card p{color:var(--muted);font-size:15px;margin-bottom:12px}

/* ---------- responsive ---------- */
@media (max-width:900px){
    .mega{min-width:0;left:auto;right:0;transform:none;grid-template-columns:repeat(2,minmax(160px,1fr))}
}
@media (max-width:760px){
    .main-nav{display:none}
    .nav-burger{display:flex}
    .tool-body{grid-template-columns:1fr}
    .tool-side .side-card{position:static}
    .footer-grid{grid-template-columns:1fr}
    .hero{padding:52px 0 44px}
    .tool-hero-inner{flex-direction:column}
}