:root{
  --bg:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --card:#ffffff;
  --blue:#1d4ed8;
  --blue2:#2563eb;
  --soft:#f8fafc;
  --warnbg:#fff7ed;
  --warn:#9a3412;
}

*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}

/* HEADER */
.site-header{
  position:sticky;
  top:0;
  background:#fff;
  border-bottom:1px solid var(--border);
  z-index:50;
  box-shadow:0 10px 26px rgba(16,24,40,.08);
}
.header-inner{display:flex;align-items:center;gap:14px;min-height:64px}
.brand{font-weight:800;letter-spacing:.2px;color:#111}
.nav{margin-left:auto;display:flex;gap:18px;align-items:center}
.nav a{
  color:#111;
  font-size:14px;
  font-weight:600;
}
.nav a:hover{color:var(--blue)}
.cta{background:var(--blue);color:#fff;padding:10px 14px;border-radius:12px;font-weight:700;font-size:14px}
.cta:hover{background:var(--blue2)}

/* HERO */
.hero{padding:24px 0 10px}
.hero-card{
  background:linear-gradient(180deg,#ffffff 0%, #f8fbff 100%);
  border:1px solid #e6eefc;
  border-radius:18px;
  padding:22px;
  box-shadow:0 18px 50px rgba(15,23,42,.10);
  position:relative;
  overflow:hidden;
}
.hero-card::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:260px;
  height:260px;
  background:radial-gradient(circle, rgba(37,99,235,0.22), rgba(37,99,235,0));
  border-radius:999px;
  pointer-events:none;
}
.pill{
  display:inline-block;
  background:rgba(37,99,235,0.08);
  color:#1d4ed8;
  border:1px solid rgba(37,99,235,0.18);
  padding:6px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700
}
h1{margin:10px 0 8px;font-size:36px;line-height:1.15;letter-spacing:-0.02em}
.sub{margin:0;color:var(--muted);max-width:820px}
.hero-actions{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.btn{
  display:inline-block;
  background:var(--blue);
  color:#fff;
  padding:12px 16px;
  border-radius:12px;
  font-weight:700;
  font-size:14px;
  box-shadow:0 10px 25px rgba(37,99,235,0.18);
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover{background:var(--blue2);transform:translateY(-2px);box-shadow:0 16px 35px rgba(37,99,235,0.28)}
.btn-light{background:#fff;color:#111;border:1px solid var(--border);box-shadow:none}
.btn-light:hover{background:#f3f4f6;transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,23,42,0.10)}

/* Notice (hidden) */
.notice{display:none !important;}

/* SECTIONS */
.section{padding:18px 0 22px}
.section h2{margin:0 0 6px;font-size:24px}
.muted{margin:0 0 14px;color:var(--muted)}

/* GRID */
.grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}

/* CARD */
.card{
  position:relative;
  display:block;
  background:var(--card);
  border:1px solid rgba(15,23,42,.10);
  border-radius:14px;
  padding:16px 16px 16px 64px;
  min-height:96px;
  box-shadow:0 10px 26px rgba(16,24,40,.08);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(37,99,235,.22);
  box-shadow:0 16px 40px rgba(16,24,40,.12);
}
.card h3{margin:0 0 6px;font-size:16px;font-weight:700;color:#111}
.card p{margin:0;color:#667085;font-size:13px;line-height:1.35}

/* Default icon via ::before (TEXT ICONS - no emoji blank issue) */
.card::before{
  content:"";
  position:absolute;
  left:16px;
  top:16px;
  width:36px;
  height:36px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:12px;
  letter-spacing:.3px;
  color:#0f172a;
  background:#eef2ff;
  box-shadow:inset 0 0 0 1px rgba(37,99,235,.18);
}

/* Tip Calculator: use same system (remove manual icon dependency) */
.card.has-icon::before{display:flex !important;}
.card .icon{display:none !important;}

/* ===== ICONS PER TOOL (auto icons using ::before) ===== */
/* Writing & Web Tools */
a.card[href*="lorem-ipsum"]::before{content:"L";background:linear-gradient(135deg,#dbeafe,#bfdbfe)}
a.card[href*="password-generator"]::before{content:"PW";background:linear-gradient(135deg,#ede9fe,#ddd6fe)}
a.card[href*="json-formatter"]::before{content:"JS";background:linear-gradient(135deg,#dcfce7,#bbf7d0)}
a.card[href*="url-encoder"]::before{content:"URL";background:linear-gradient(135deg,#cffafe,#a5f3fc)}
a.card[href*="base64"]::before{content:"B64";background:linear-gradient(135deg,#ffedd5,#fed7aa)}
a.card[href*="uuid.php"]::before{content:"ID";background:linear-gradient(135deg,#e0e7ff,#c7d2fe)}
a.card[href*="hash-generator"]::before{content:"SHA";background:linear-gradient(135deg,#e2e8f0,#cbd5e1)}
a.card[href*="hash-all"]::before{content:"ALL";background:linear-gradient(135deg,#ccfbf1,#99f6e4)}

/* Text & Calculator Tools */
a.card[href*="tip-calculator"]::before{content:"$";background:linear-gradient(135deg,#dcfce7,#bbf7d0)}
a.card[href*="word-counter"]::before{content:"WC";background:linear-gradient(135deg,#e0e7ff,#c7d2fe)}
a.card[href*="character-counter"]::before{content:"CC";background:linear-gradient(135deg,#ccfbf1,#99f6e4)}
a.card[href*="text-case"]::before{content:"Aa";background:linear-gradient(135deg,#ffe4e6,#fecdd3)}
a.card[href*="text-to-slug"]::before{content:"SL";background:linear-gradient(135deg,#cffafe,#a5f3fc)}
a.card[href*="invoice-calculator"]::before{content:"₹";background:linear-gradient(135deg,#dcfce7,#bbf7d0)}
a.card[href*="gst-calculator"]::before{content:"TAX";background:linear-gradient(135deg,#dcfce7,#bbf7d0)}

/* TOOL BOX (forms) */
.tool-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px}
.field{display:flex;flex-direction:column;gap:6px;margin:10px 0}
input,textarea,select{
  width:100%;
  padding:11px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  font-size:14px;
  outline:none;
  background:#fff
}
input:focus,textarea:focus,select:focus{border-color:#93c5fd;box-shadow:0 0 0 3px rgba(59,130,246,.15)}
.row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.small{font-size:12px;color:var(--muted)}
.result{background:var(--soft);border:1px solid var(--border);border-radius:12px;padding:12px;margin-top:12px}

/* FOOTER */
.site-footer{
  border-top:1px solid var(--border);
  margin-top:30px;
  box-shadow:0 -10px 26px rgba(16,24,40,.06);
}
.footer-inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 16px}
.footer-brand{font-weight:800;color:#111}
.footer-note{color:var(--muted);font-size:13px;margin-top:4px}
.footer-copy{color:var(--muted);font-size:12px;margin-top:10px}
.footer-links{
  display:flex;gap:14px;flex-wrap:wrap;align-items:flex-start;
  color:#111;
  font-size:13px;
  font-weight:600;
}
.footer-links a:hover{color:var(--blue)}

/* RESPONSIVE */
@media (max-width:980px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  h1{font-size:30px}
  .nav{display:none}
}
@media (max-width:640px){
  .wrap{padding:0 14px}
  .grid{grid-template-columns:1fr;gap:12px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;text-align:center}
  .card{padding-left:62px}
  .card::before{left:14px;top:14px}
}
@media (max-width:520px){
  .row{grid-template-columns:1fr}
}