/* OneToolBox PDF Tools — Large Colorful 3-Column Cards */

.pdf-tools-hero{
  padding:36px 0 28px;
  text-align:center;
}

.pdf-tools-hero h1{
  margin:0 0 9px;
  color:#2563eb;
  font-size:38px;
  font-weight:800;
  line-height:1.15;
}

.pdf-tools-hero p{
  margin:0 auto 18px;
  max-width:760px;
  color:#64748b;
  font-size:15px;
  line-height:1.6;
}

.pdf-tools-search{
  position:relative;
  width:min(600px,100%);
  margin:0 auto;
}

.pdf-tools-search input{
  width:100%;
  height:46px;
  box-sizing:border-box;
  padding:0 46px 0 15px;
  border:1px solid #dbe3ef;
  border-radius:11px;
  background:#fff;
  color:#0f172a;
  outline:none;
  font-size:13px;
  box-shadow:0 4px 15px rgba(15,23,42,.05);
}

.pdf-tools-search input:focus{
  border-color:#2563eb;
  box-shadow:0 0 0 3px rgba(37,99,235,.10);
}

.pdf-tools-search i{
  position:absolute;
  right:15px;
  top:50%;
  transform:translateY(-50%);
  color:#2563eb;
  pointer-events:none;
}

/* ===== 3 COLUMN GRID ===== */
.pdf-tools-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

/* ===== BIGGER CARD ===== */
.pdf-tool-card{
  min-width:0;
  min-height:190px;
  padding:20px;
  box-sizing:border-box;
  background:#fff;
  border:1px solid #e2e8f0;
  border-radius:17px;
  box-shadow:0 6px 20px rgba(15,23,42,.065);
  cursor:pointer;
  transition:
    transform .18s ease,
    box-shadow .18s ease,
    border-color .18s ease;
}

.pdf-tool-card:hover{
  transform:translateY(-4px);
  border-color:#93c5fd;
  box-shadow:0 13px 30px rgba(37,99,235,.13);
}

.pdf-tool-card:focus{
  outline:3px solid rgba(37,99,235,.16);
  outline-offset:2px;
}

/* ===== COLORFUL ICONS ===== */
.pdf-tool-icon{
  width:48px;
  height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:13px;
  border-radius:13px;
  font-size:20px;
}

.pdf-tool-icon.blue{
  background:#dbeafe;
  color:#2563eb;
}

.pdf-tool-icon.green{
  background:#dcfce7;
  color:#16a34a;
}

.pdf-tool-icon.red{
  background:#fee2e2;
  color:#dc2626;
}

.pdf-tool-icon.orange{
  background:#ffedd5;
  color:#ea580c;
}

.pdf-tool-icon.purple{
  background:#f3e8ff;
  color:#9333ea;
}

/* ===== CARD TEXT ===== */
.pdf-tool-card h3{
  margin:0 0 7px;
  color:#0f172a;
  font-size:17px;
  font-weight:800;
  line-height:1.3;
}

.pdf-tool-card p{
  min-height:40px;
  margin:0 0 16px;
  color:#64748b;
  font-size:13px;
  line-height:1.55;
}

/* ===== BUTTON ===== */
.pdf-tool-card a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:37px;
  padding:0 14px;
  border-radius:8px;
  background:#2563eb;
  color:#fff;
  text-decoration:none;
  font-size:11.5px;
  font-weight:800;
  transition:background .18s ease,transform .18s ease;
}

.pdf-tool-card a:hover{
  background:#1d4ed8;
  transform:translateY(-1px);
}

/* ===== TABLET ===== */
@media(max-width:850px){
  .pdf-tools-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:15px;
  }

  .pdf-tool-card{
    min-height:180px;
    padding:17px;
  }
}

/* ===== MOBILE ===== */
@media(max-width:540px){
  .pdf-tools-hero{
    padding:28px 14px 22px;
  }

  .pdf-tools-hero h1{
    font-size:29px;
  }

  .pdf-tools-grid{
    grid-template-columns:1fr;
    gap:13px;
  }

  .pdf-tool-card{
    min-height:165px;
    padding:17px;
  }
}

/* ONETOOLBOX UNIFIED CATEGORY STYLE: pdf-tools.html */
/* Centered heading and compact top spacing */
.pdf-tools-hero{
    padding:22px 0 18px !important;
    text-align:center !important;
}
.pdf-tools-hero .container{
    max-width:1360px !important;
    margin:0 auto !important;
    text-align:center !important;
}
.pdf-tools-hero h1{
    margin:0 0 8px !important;
    text-align:center !important;
    font-size:36px !important;
    line-height:1.2 !important;
    font-weight:800 !important;
    color:#dc2626 !important;
}
.pdf-tools-hero p{
    margin:0 auto !important;
    max-width:820px !important;
    text-align:center !important;
    color:#64748b !important;
    font-size:15px !important;
    line-height:1.5 !important;
}
.pdf-tools-grid{
    width:100% !important;
    max-width:1360px !important;
    margin:0 auto !important;
    padding:0 10px !important;
    box-sizing:border-box !important;
    gap:16px !important;
    align-items:stretch !important;
}
.pdf-tool-card{
    border-radius:17px !important;
    border:1px solid rgba(148,163,184,.28) !important;
    box-shadow:0 7px 22px rgba(15,23,42,.06) !important;
    overflow:hidden !important;
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease !important;
}
.pdf-tool-card::before{
    background:linear-gradient(90deg,#dc2626,#ef4444) !important;
}
.pdf-tool-card:hover{
    transform:translateY(-4px) !important;
    border-color:#dc262655 !important;
    box-shadow:0 14px 30px rgba(15,23,42,.10) !important;
}
/* Heading/card accent follows this category */
.pdf-tool-card h3{
    font-weight:800 !important;
}
@media(min-width:1101px){
    .pdf-tools-grid{
        grid-template-columns:repeat(4,minmax(0,1fr)) !important;
    }
}
/* Image Tools stays intentionally 3-column, as requested */

@media(max-width:1100px){
    .pdf-tools-grid{grid-template-columns:repeat(2,minmax(0,1fr)) !important;padding:0 16px !important;}
}
@media(max-width:560px){
    .pdf-tools-hero{padding:16px 10px 12px !important;}
    .pdf-tools-hero h1{font-size:28px !important;}
    .pdf-tools-hero p{font-size:14px !important;}
    .pdf-tools-grid{grid-template-columns:1fr !important;padding:0 12px !important;gap:12px !important;}
}
body.dark .pdf-tools-hero h1{color:#ef4444 !important;}
body.dark .pdf-tools-hero p{color:#aebbd0 !important;}

/* FINAL PDF TOOLS DARK MODE */
body.dark .pdf-tools-hero{
    background:linear-gradient(135deg,#0f172a 0%,#111827 100%) !important;
    border-color:#1e293b !important;
}
body.dark .pdf-tools-hero h1{color:#f87171 !important;}
body.dark .pdf-tools-hero p{color:#aebbd0 !important;}
body.dark .pdf-tool-card{
    background:linear-gradient(145deg,#111827 0%,#172033 100%) !important;
    border-color:#334155 !important;
    color:#f8fafc !important;
    box-shadow:0 8px 24px rgba(0,0,0,.25) !important;
}
body.dark .pdf-tool-card h3{color:#f8fafc !important;}
body.dark .pdf-tool-card p{color:#aebbd0 !important;}
body.dark .pdf-tool-card:hover{
    border-color:#4b6fae !important;
    box-shadow:0 14px 34px rgba(0,0,0,.35) !important;
}