/* =========================================================
   MULTI TOOLS — ALL TOOLS PAGE
   Design tokens
   ========================================================= */
:root{
  /* Palette — ink navy / paper / signal violet & lime */
  --bg: #F6F7FB;
  --bg-alt: #EEF0F8;
  --ink: #12142B;
  --ink-soft: #4A4E6E;
  --ink-faint: #8286A6;
  --surface: #FFFFFF;
  --surface-glass: rgba(255,255,255,0.6);
  --border: rgba(18,20,43,0.09);
  --accent: #5B4FE9;
  --accent-2: #8B7CFF;
  --accent-ink: #FFFFFF;
  --lime: #B4F461;
  --lime-ink: #17300A;
  --coral: #FF6B6B;
  --coral-ink: #3A0A0A;

  --dark: #0C0D1C;
  --dark-2: #141630;

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-sm: 0 2px 10px rgba(18,20,43,0.06);
  --shadow-md: 0 12px 32px rgba(18,20,43,0.10);
  --shadow-lg: 0 24px 60px rgba(18,20,43,0.16);
  --header-h: 72px;
  --max-w: 1240px;
  --dur: 220ms;
  --ease: cubic-bezier(.4,0,.2,1);
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0C0D1C; --bg-alt:#101226; --ink:#F2F2FA; --ink-soft:#B7B9D6; --ink-faint:#7C7FA0;
    --surface:#141630; --surface-glass:rgba(20,22,48,0.55); --border:rgba(255,255,255,0.09);
    --shadow-sm:0 2px 10px rgba(0,0,0,0.3); --shadow-md:0 12px 32px rgba(0,0,0,0.4); --shadow-lg:0 24px 60px rgba(0,0,0,0.5);
  }
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font-body); line-height:1.6; -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; line-height:1.15; margin:0 0 .5em; color:var(--ink); }
p{ margin:0 0 1em; color:var(--ink-soft); }
button{ font-family:inherit; cursor:pointer; }

.visually-hidden{
  position:absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.skip-link{
  position:absolute; left:-999px; top:0; background:var(--accent); color:#fff;
  padding:.75em 1.25em; border-radius:0 0 var(--radius-sm) 0; z-index:200; font-weight:600;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:3px solid var(--accent); outline-offset:2px; border-radius:4px; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100; height:var(--header-h);
  background:var(--surface-glass); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  max-width:var(--max-w); margin:0 auto; height:100%; padding:0 24px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.logo{ display:flex; align-items:center; gap:8px; font-family:var(--font-display); font-size:1.15rem; color:var(--ink); }
.logo-mark{ color:var(--accent); display:flex; }
.logo-text b{ color:var(--accent); font-weight:700; }
.main-nav ul{ display:flex; gap:28px; }
.main-nav a{
  font-weight:500; font-size:.95rem; color:var(--ink-soft); position:relative; padding:6px 0;
  transition:color var(--dur) var(--ease);
}
.main-nav a:hover,.main-nav a[aria-current="page"]{ color:var(--accent); }
.main-nav a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--accent); border-radius:2px;
}
.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:8px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--ink); border-radius:2px; transition:transform var(--dur) var(--ease), opacity var(--dur) var(--ease); }

/* =========================================================
   BREADCRUMB
   ========================================================= */
.breadcrumb-nav{ max-width:var(--max-w); margin:0 auto; padding:16px 24px 0; }
.breadcrumb{ display:flex; gap:8px; font-size:.85rem; color:var(--ink-faint); }
.breadcrumb li:not(:last-child)::after{ content:"/"; margin-left:8px; }
.breadcrumb a{ color:var(--ink-faint); }
.breadcrumb a:hover{ color:var(--accent); }
.breadcrumb li[aria-current="page"]{ color:var(--ink-soft); font-weight:500; }

/* =========================================================
   HERO
   ========================================================= */
.hero{ position:relative; padding:64px 24px 56px; overflow:hidden; }
.hero-grid{
  position:absolute; inset:0; z-index:0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, black 30%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, black 30%, transparent 75%);
  animation:driftGrid 40s linear infinite;
}
@keyframes driftGrid{ from{ background-position:0 0; } to{ background-position:220px 220px; } }
.hero-inner{ position:relative; z-index:1; max-width:760px; margin:0 auto; text-align:center; }
.eyebrow{
  display:inline-block; font-family:var(--font-mono); font-size:.75rem; letter-spacing:.04em;
  color:var(--accent); background:color-mix(in srgb, var(--accent) 12%, transparent);
  padding:6px 14px; border-radius:999px; margin-bottom:20px;
}
.hero h1{ font-size:clamp(2rem, 5vw, 3.2rem); letter-spacing:-.02em; margin-bottom:.4em; }
.hero-subtitle{ font-size:1.08rem; max-width:620px; margin:0 auto 32px; }

.hero-search{
  position:relative; max-width:560px; margin:0 auto 8px; display:flex; align-items:center;
  background:var(--surface); border:1px solid var(--border); border-radius:999px; box-shadow:var(--shadow-md);
  padding:4px 6px 4px 18px; transition:box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.hero-search:focus-within{ border-color:var(--accent); box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); }
.search-icon{ color:var(--ink-faint); flex-shrink:0; }
.hero-search input{
  flex:1; border:none; background:none; outline:none; font-size:1rem; padding:12px 10px; color:var(--ink); font-family:inherit;
}
.hero-search input::placeholder{ color:var(--ink-faint); }
.clear-search{
  border:none; background:var(--bg-alt); color:var(--ink-soft); width:30px; height:30px; border-radius:50%;
  font-size:1.1rem; line-height:1; display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.search-status{ min-height:1.4em; font-size:.85rem; color:var(--ink-faint); margin-bottom:24px; }

.hero-stats{
  display:flex; justify-content:center; flex-wrap:wrap; gap:28px 40px; margin-bottom:32px;
  padding:20px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border);
}
.stat{ display:flex; flex-direction:column; align-items:center; gap:2px; }
.stat-num{ font-family:var(--font-display); font-size:1.5rem; font-weight:700; color:var(--ink); }
.stat-label{ font-size:.78rem; color:var(--ink-faint); }

.hero-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:.95rem;
  padding:13px 26px; border-radius:999px; border:1px solid transparent; transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn-primary{ background:var(--accent); color:#fff; box-shadow:0 10px 24px color-mix(in srgb, var(--accent) 40%, transparent); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 30px color-mix(in srgb, var(--accent) 48%, transparent); }
.btn-ghost{ background:var(--surface); color:var(--ink); border-color:var(--border); }
.btn-ghost:hover{ transform:translateY(-2px); border-color:var(--accent); color:var(--accent); }

/* =========================================================
   FILTERS
   ========================================================= */
.filters-section{ position:sticky; top:var(--header-h); z-index:40; background:var(--surface-glass); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-bottom:1px solid var(--border); }
.filters-inner{
  max-width:var(--max-w); margin:0 auto; padding:14px 24px; display:flex; gap:12px; align-items:center;
}
.filter-chips{ display:flex; gap:8px; overflow-x:auto; scrollbar-width:thin; padding-bottom:2px; flex:1; }
.filter-chips::-webkit-scrollbar{ height:5px; }
.filter-chips::-webkit-scrollbar-thumb{ background:var(--border); border-radius:8px; }
.chip{
  flex-shrink:0; border:1px solid var(--border); background:var(--surface); color:var(--ink-soft);
  font-size:.85rem; font-weight:500; padding:8px 16px; border-radius:999px; white-space:nowrap;
  transition:all var(--dur) var(--ease);
}
.chip:hover{ border-color:var(--accent); color:var(--accent); }
.chip.is-active{ background:var(--accent); border-color:var(--accent); color:#fff; }
.reset-filters{
  flex-shrink:0; display:flex; align-items:center; gap:6px; background:none; border:1px solid var(--border);
  color:var(--ink-soft); font-size:.85rem; font-weight:500; padding:8px 14px; border-radius:999px;
  transition:all var(--dur) var(--ease);
}
.reset-filters:hover{ color:var(--coral); border-color:var(--coral); }

/* =========================================================
   SECTION HEAD
   ========================================================= */
.section-head{ max-width:var(--max-w); margin:0 auto; padding:0 24px; text-align:center; margin-bottom:36px; }
.section-head h2{ font-size:clamp(1.5rem,3vw,2.1rem); }
.section-head p{ max-width:520px; margin:0 auto; }

.featured-section,.tools-section,.categories-section{ padding:64px 0; }
.featured-section{ padding-bottom:8px; }

/* =========================================================
   TOOL CARDS + GRID
   ========================================================= */
.tools-grid,.featured-grid{
  max-width:var(--max-w); margin:0 auto; padding:0 24px;
  display:grid; grid-template-columns:repeat(2,1fr); gap:18px;
}
@media(min-width:640px){ .tools-grid,.featured-grid{ grid-template-columns:repeat(3,1fr); } }
@media(min-width:1000px){ .tools-grid,.featured-grid{ grid-template-columns:repeat(4,1fr); } }

.tool-card{
  position:relative; display:flex; flex-direction:column; gap:10px; padding:22px 18px;
  border-radius:var(--radius-md); background:var(--surface-glass); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border); box-shadow:var(--shadow-sm);
  transition:transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  opacity:0; transform:translateY(14px);
  animation:cardIn .5s var(--ease) forwards;
}
@keyframes cardIn{ to{ opacity:1; transform:translateY(0); } }
.tool-card::before{
  content:""; position:absolute; inset:0; border-radius:inherit; padding:1px;
  background:linear-gradient(135deg, var(--accent), transparent 60%);
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  opacity:0; transition:opacity var(--dur) var(--ease); pointer-events:none;
}
.tool-card:hover,.tool-card:focus-within{ transform:translateY(-5px); box-shadow:var(--shadow-lg); border-color:transparent; }
.tool-card:hover::before,.tool-card:focus-within::before{ opacity:1; }

.card-top{ display:flex; align-items:flex-start; justify-content:space-between; gap:8px; }
.card-icon{
  width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background:color-mix(in srgb, var(--accent) 14%, transparent); color:var(--accent); flex-shrink:0;
}
.card-badges{ display:flex; gap:6px; flex-wrap:wrap; justify-content:flex-end; }
.badge{ font-size:.68rem; font-weight:700; letter-spacing:.02em; padding:4px 9px; border-radius:999px; text-transform:uppercase; }
.badge-popular{ background:var(--lime); color:var(--lime-ink); }
.badge-new{ background:var(--coral); color:#fff; }
.badge-category{ background:var(--bg-alt); color:var(--ink-soft); font-weight:600; text-transform:none; }

.tool-card h3{ font-size:1.05rem; margin-bottom:2px; }
.card-desc{ font-size:.87rem; color:var(--ink-soft); margin-bottom:6px; flex:1; }
.card-open{
  display:inline-flex; align-items:center; gap:6px; font-size:.85rem; font-weight:600; color:var(--accent);
  margin-top:auto;
}
.card-open svg{ transition:transform var(--dur) var(--ease); }
.tool-card:hover .card-open svg{ transform:translateX(3px); }
.tool-card-link{ position:absolute; inset:0; border-radius:inherit; }

/* Skeleton loaders */
.skeleton-card{
  height:168px; border-radius:var(--radius-md); background:linear-gradient(100deg, var(--bg-alt) 30%, var(--surface) 50%, var(--bg-alt) 70%);
  background-size:200% 100%; animation:shimmer 1.4s ease-in-out infinite; border:1px solid var(--border);
}
@keyframes shimmer{ 0%{ background-position:200% 0; } 100%{ background-position:-200% 0; } }

#resultsCount{ font-family:var(--font-mono); font-size:.85rem; color:var(--ink-faint); }

/* Empty state */
.empty-state{
  max-width:420px; margin:20px auto 0; text-align:center; padding:40px 24px;
  color:var(--ink-faint);
}
.empty-state svg{ margin:0 auto 16px; color:var(--ink-faint); }
.empty-state h3{ color:var(--ink); }

/* =========================================================
   POPULAR CATEGORIES
   ========================================================= */
.categories-grid{
  max-width:var(--max-w); margin:0 auto; padding:0 24px;
  display:grid; grid-template-columns:repeat(2,1fr); gap:14px;
}
@media(min-width:640px){ .categories-grid{ grid-template-columns:repeat(3,1fr); } }
@media(min-width:1000px){ .categories-grid{ grid-template-columns:repeat(5,1fr); } }
.category-card{
  display:flex; flex-direction:column; gap:6px; padding:20px; border-radius:var(--radius-md);
  background:var(--surface); border:1px solid var(--border); transition:all var(--dur) var(--ease);
}
.category-card:hover{ border-color:var(--accent); transform:translateY(-3px); box-shadow:var(--shadow-md); }
.category-card .cat-count{ font-family:var(--font-mono); font-size:.78rem; color:var(--ink-faint); }
.category-card h3{ font-size:1rem; margin:0; }

/* =========================================================
   STATS BAND
   ========================================================= */
.stats-band{ background:var(--dark); color:#fff; padding:48px 24px; margin-top:8px; }
.stats-band-inner{
  max-width:var(--max-w); margin:0 auto; display:grid; grid-template-columns:repeat(2,1fr); gap:24px; text-align:center;
}
@media(min-width:640px){ .stats-band-inner{ grid-template-columns:repeat(4,1fr); } }
.stat-block{ display:flex; flex-direction:column; gap:4px; }
.stat-block-num{ font-family:var(--font-display); font-size:2.1rem; font-weight:700; background:linear-gradient(135deg,var(--accent-2),var(--lime)); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat-block span:last-child{ color:rgba(255,255,255,0.6); font-size:.85rem; }

/* =========================================================
   SEO ARTICLE
   ========================================================= */
.seo-article{ padding:72px 24px; }
.article-inner{ max-width:760px; margin:0 auto; }
.article-head{ text-align:center; margin-bottom:40px; }
.article-head h2{ font-size:clamp(1.6rem,3.4vw,2.3rem); }
.article-lede{ font-size:1.05rem; }

.toc{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md);
  padding:24px 28px; margin-bottom:44px;
}
.toc h3{ font-size:1rem; margin-bottom:12px; }
.toc ol{ list-style:decimal; padding-left:1.2em; display:grid; gap:6px; }
.toc a{ color:var(--accent); font-size:.92rem; }
.toc a:hover{ text-decoration:underline; }

.seo-article section{ margin-bottom:40px; }
.seo-article h3{ font-size:1.35rem; margin-top:4px; }
.seo-article h4{ font-size:1.05rem; margin-top:20px; }
.seo-article ul:not(.checklist){ padding-left:1.3em; list-style:disc; display:grid; gap:6px; margin-bottom:1em; }
.seo-article ul li{ color:var(--ink-soft); }
.checklist{ display:grid; gap:10px; }
.checklist li{
  position:relative; padding-left:30px; color:var(--ink-soft);
}
.checklist li::before{
  content:""; position:absolute; left:0; top:3px; width:18px; height:18px; border-radius:5px;
  border:2px solid var(--accent); background:color-mix(in srgb, var(--accent) 10%, transparent);
}

.data-table{ width:100%; border-collapse:collapse; margin-bottom:1em; font-size:.92rem; }
.data-table th,.data-table td{ text-align:left; padding:12px 14px; border-bottom:1px solid var(--border); }
.data-table th{ font-family:var(--font-display); color:var(--ink); background:var(--bg-alt); }
.data-table td{ color:var(--ink-soft); }
.data-table{ overflow-x:auto; display:block; white-space:nowrap; }
@media(min-width:640px){ .data-table{ white-space:normal; display:table; } }

.faq-section{ margin-bottom:0; }
.faq-item{
  border-bottom:1px solid var(--border); padding:18px 0;
}
.faq-item h4{ margin-bottom:6px; }
.article-cta{ font-weight:500; }
.article-cta a{ color:var(--accent); text-decoration:underline; }

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band{
  margin:0 24px 72px; padding:56px 24px; border-radius:var(--radius-lg); text-align:center;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:#fff; max-width:calc(var(--max-w) - 0px); margin-left:auto; margin-right:auto;
}
.cta-band h2{ color:#fff; }
.cta-band p{ color:rgba(255,255,255,0.85); max-width:520px; margin:0 auto 24px; }
.cta-band .btn-ghost{ background:rgba(255,255,255,0.12); color:#fff; border-color:rgba(255,255,255,0.4); }
.cta-band .btn-primary{ background:#fff; color:var(--accent); box-shadow:none; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background:var(--dark); color:rgba(255,255,255,0.75); padding:64px 24px 0; }
.footer-inner{
  max-width:var(--max-w); margin:0 auto; display:grid; gap:40px;
  grid-template-columns:1fr; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,0.1);
}
@media(min-width:760px){ .footer-inner{ grid-template-columns:1.3fr 1fr 1fr; } }
.site-footer .logo-text{ color:#fff; font-size:1.2rem; }
.footer-brand p{ color:rgba(255,255,255,0.55); max-width:320px; margin:12px 0 18px; }
.social-icons{ display:flex; gap:10px; }
.social-icons a{
  width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,0.08); display:flex;
  align-items:center; justify-content:center; color:#fff; transition:background var(--dur) var(--ease);
}
.social-icons a:hover{ background:var(--accent); }
.footer-nav{ display:flex; gap:40px; }
.footer-col h3{ color:#fff; font-size:.95rem; margin-bottom:14px; }
.footer-col ul{ display:grid; gap:10px; }
.footer-col a{ color:rgba(255,255,255,0.6); font-size:.9rem; transition:color var(--dur) var(--ease); }
.footer-col a:hover{ color:var(--lime); }
.footer-newsletter h3{ color:#fff; font-size:.95rem; margin-bottom:8px; }
.footer-newsletter p{ color:rgba(255,255,255,0.55); font-size:.88rem; }
.newsletter-form{ display:flex; gap:8px; margin-top:10px; }
.newsletter-form input{
  flex:1; min-width:0; padding:11px 14px; border-radius:10px; border:1px solid rgba(255,255,255,0.15);
  background:rgba(255,255,255,0.06); color:#fff; font-family:inherit;
}
.newsletter-form input::placeholder{ color:rgba(255,255,255,0.4); }
.newsletter-status{ font-size:.8rem; margin-top:8px; color:var(--lime); }
.footer-bottom{ max-width:var(--max-w); margin:0 auto; padding:22px 0; text-align:center; font-size:.82rem; color:rgba(255,255,255,0.45); }

/* =========================================================
   RESPONSIVE — NAV
   ========================================================= */
@media(max-width:760px){
  .nav-toggle{ display:flex; }
  .main-nav{
    position:fixed; top:var(--header-h); left:0; right:0; background:var(--surface); border-bottom:1px solid var(--border);
    max-height:0; overflow:hidden; transition:max-height var(--dur) var(--ease); box-shadow:var(--shadow-md);
  }
  .main-nav.is-open{ max-height:340px; }
  .main-nav ul{ flex-direction:column; padding:12px 24px 20px; gap:4px; }
  .main-nav a{ display:block; padding:12px 0; border-bottom:1px solid var(--border); }
  .nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
}

@media(max-width:420px){
  .hero-stats{ gap:20px 24px; }
  .cta-band{ margin-left:12px; margin-right:12px; padding:40px 20px; }
}