:root{
  --bg:#ffffff;
  --text:#0b1220;
  --muted:#6b7280;
  --card:#ffffff;
  --line:#e5e7eb;
  --blue:#1f6feb;
  --blue2:#0b57d0;
  --shadow: 0 10px 30px rgba(2,8,23,.08);
  --radius:16px;
}

*{box-sizing:border-box}
body.ontools{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}

.container{width:min(1100px,92%);margin:0 auto}

/* ===== Header ===== */
.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:20;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--text);
}
.brand-dot{width:10px;height:10px;border-radius:999px;background:var(--blue)}
.brand-text{font-weight:800;letter-spacing:.2px}

.menu{list-style:none;display:flex;gap:16px;margin:0;padding:0}
.menu a{color:var(--text);text-decoration:none;font-weight:600;font-size:14px}
.menu a:hover{color:var(--blue)}

/* Dropdown submenu */
.menu li{position:relative}
.menu .sub-menu{
  position:absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 260px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow: var(--shadow);
  padding:10px;
  margin:0;
  list-style:none;
  display:none;
  z-index:50;
}
.menu .sub-menu li{margin:0}
.menu .sub-menu a{
  display:flex;
  padding:10px 10px;
  border-radius:12px;
  font-weight:700;
  font-size:14px;
}
.menu .sub-menu a:hover{
  background:#f3f4f6;
  color:var(--blue);
}
.menu li:hover > .sub-menu{display:block}

.header-actions{display:flex;align-items:center;gap:12px}
.lang{display:flex;align-items:center;gap:10px}
.lang-label{font-size:13px;color:var(--muted);font-weight:700}
.lang-switcher{font-size:13px}
.lang-switcher a{margin-left:8px;text-decoration:none;font-weight:700;color:var(--text)}
.lang-switcher a:hover{color:var(--blue)}

/* ===== Hero ===== */
.hero{
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue2) 100%);
  color:#fff;
  padding:64px 0 44px;
}
.hero-compact{padding:46px 0 34px}
.hero-inner{display:flex;align-items:center}
.hero-title{margin:0 0 10px;font-size:42px;line-height:1.08;font-weight:900}
.hero-sub{margin:0 0 18px;color:rgba(255,255,255,.88);max-width:720px}

/* ===== Tool Box ===== */
.tool-box{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding:16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.tool-row{
  display:flex;
  gap:10px;
  align-items:stretch;
  flex-wrap:wrap;
}
.tool-input{
  flex:1 1 380px;
  border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.16);
  color:#fff;
  padding:14px 14px;
  border-radius:14px;
  outline:none;
  font-size:15px;
}
.tool-input::placeholder{color:rgba(255,255,255,.75)}
.tool-input:focus{border-color:rgba(255,255,255,.55)}

.btn{
  border:0;
  cursor:pointer;
  padding:14px 16px;
  border-radius:14px;
  font-weight:800;
  letter-spacing:.2px;
  font-size:14px;
  white-space:nowrap;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.btn-ghost{
  background:rgba(255,255,255,.18);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.25)}
.btn-primary{
  background:#ffffff;
  color:#0b1220;
}
.btn-primary:hover{opacity:.92}

.tool-meta{
  margin-top:10px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
}
.muted{color:rgba(255,255,255,.84)}
.tool-result{
  margin-top:14px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.14);
  border-radius:14px;
  padding:14px;
  min-height:54px;
  color:#fff;
}

/* Result UI */
.result-wrap{display:flex;flex-direction:column;gap:10px}
.result-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.result-title{font-size:15px}
.result-pill{
  font-weight:900;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.18);
}
.result-url{font-size:13px;opacity:.95;word-break:break-word}
.result-actions{display:flex;gap:10px;flex-wrap:wrap}
.result-note{font-size:12px;opacity:.85}

/* ===== Below hero cards ===== */
.below-hero{padding:30px 0 60px}
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
}
.card h3{margin:0 0 8px;font-size:16px}
.card .muted{color:var(--muted)}

/* ===== Content ===== */
.content{padding:24px 0 64px}
.content-inner{max-width:860px}

/* ===== Tools Directory (FIXED) ===== */
.tools-grid-section{
  padding:28px 0 70px;
  background:#fff;
}
.tools-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
}
.tool-card{
  display:block;
  text-decoration:none;
  background:#fff;
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:18px;
  box-shadow: var(--shadow);
  color: var(--text);
  transition: transform .15s ease, box-shadow .15s ease;
}
.tool-card:hover{
  transform: translateY(-2px);
}
.tool-card-top{display:flex;justify-content:flex-start;margin-bottom:10px}
.tool-tag{
  font-size:12px;
  font-weight:900;
  padding:6px 10px;
  border-radius:999px;
  background:#eef2ff;
  color:#1f2a5a;
}
.tool-card-title{margin:0 0 8px;font-size:16px;font-weight:900}
.tool-card-desc{margin:0 0 10px;color:var(--muted);font-size:14px;line-height:1.4}
.tool-card-cta{font-weight:900;color:var(--blue);font-size:14px}

/* ===== Professional Footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  padding:40px 0 18px;
  background:#fff;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap:22px;
  align-items:start;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--text);
  font-weight:900;
}
.footer-desc{
  margin:12px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
  max-width:420px;
}
.footer-title{
  margin:0 0 12px;
  font-size:14px;
  font-weight:900;
  color:var(--text);
}
.footer-links{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  text-decoration:none;
  color:var(--muted);
  font-weight:700;
  font-size:14px;
}
.footer-links a:hover{ color:var(--blue); }

.footer-bottom{
  margin-top:28px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer-copy{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  font-weight:800;
  color:var(--text);
}
.footer-muted{ color:var(--muted); font-weight:700; }

.footer-bottom-links{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.footer-bottom-links a{
  text-decoration:none;
  color:var(--muted);
  font-weight:800;
  font-size:13px;
}
.footer-bottom-links a:hover{ color:var(--blue); }
.footer-bottom-links .dot{ color:#cbd5e1; }

/* ===== Responsive ===== */
@media (max-width: 900px){
  .cards{grid-template-columns:1fr}
  .tools-grid{grid-template-columns:1fr}
  .hero-title{font-size:34px}
  .footer-grid{grid-template-columns:1fr}
}
.tools-grid{ outline: 4px solid red; }

/* How to use section */
.howto-box{
  margin-top:18px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.14);
  border-radius:14px;
  padding:16px;
}
.howto-title{
  margin:0 0 10px;
  font-size:16px;
  font-weight:900;
  color:#fff;
}
.howto-text{
  color:rgba(255,255,255,.90);
  font-size:14px;
  line-height:1.6;
}
.howto-text p{margin:0 0 10px}
.howto-text p:last-child{margin-bottom:0}