/* ==========================================================================
   TheBuzzly V3 — Design System
   Overrides Tabler/Bootstrap visually. Zero framework DNA visible.
   ========================================================================== */

/* --- Tokens --- */
:root {
  --bz-white: #ffffff;
  --bz-black: #0c0c0d;
  --bz-primary: #2563eb;
  --bz-primary-dark: #1d4ed8;
  --bz-primary-light: #60a5fa;
  --bz-primary-subtle: #eef2ff;
  --bz-accent: #7c3aed;
  --bz-accent-subtle: #f5f3ff;
  --bz-success: #059669;
  --bz-warning: #d97706;
  --bz-danger: #dc2626;

  --bz-gray-50: #fafafa;
  --bz-gray-100: #f4f4f5;
  --bz-gray-150: #ececed;
  --bz-gray-200: #e4e4e7;
  --bz-gray-300: #d4d4d8;
  --bz-gray-400: #a1a1aa;
  --bz-gray-500: #71717a;
  --bz-gray-600: #52525b;
  --bz-gray-700: #3f3f46;
  --bz-gray-800: #27272a;
  --bz-gray-900: #18181b;

  --bz-font: 'Inter', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --bz-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;

  --bz-radius-sm: 6px;
  --bz-radius-md: 8px;
  --bz-radius-lg: 12px;
  --bz-radius-xl: 16px;
  --bz-radius-2xl: 20px;
  --bz-radius-full: 9999px;

  --bz-shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --bz-shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --bz-shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --bz-shadow-xl: 0 24px 60px rgba(0,0,0,0.1);
  --bz-shadow-glow: 0 0 0 1px rgba(37,99,235,0.12), 0 4px 16px rgba(37,99,235,0.12);

  --bz-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --bz-max-w: 1200px;
  --bz-header-h: 64px;
}

.theme-dark {
  --bz-primary-subtle: rgba(37,99,235,0.12);
  --bz-accent-subtle: rgba(124,58,237,0.1);
  --bz-gray-50: #18181b;
  --bz-gray-100: #27272a;
  --bz-gray-150: #2f2f32;
  --bz-gray-200: #3f3f46;
  --bz-gray-300: #52525b;
  --bz-gray-400: #a1a1aa;
  --bz-gray-500: #d4d4d8;
  --bz-gray-600: #e4e4e7;
  --bz-gray-700: #f4f4f5;
  --bz-gray-800: #fafafa;
  --bz-gray-900: #fafafa;
  --bz-shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --bz-shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --bz-shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
}

/* --- Reset --- */
*{box-sizing:border-box}*::before{box-sizing:border-box}*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--bz-font);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  color:var(--bz-gray-900);background:var(--bz-white);line-height:1.6
}
.theme-dark body{background:var(--bz-gray-900);color:var(--bz-gray-100)}
::selection{background:var(--bz-primary);color:#fff}
a{color:var(--bz-primary);text-decoration:none;transition:color .15s}
a:hover{color:var(--bz-primary-dark)}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:var(--bz-max-w);margin:0 auto;padding:0 1.5rem}
@media(max-width:768px){.container{padding:0 1rem}}

/* --- Fixed navbar offset --- */
.page{display:flex;flex-direction:column;min-height:100vh}
.page-wrapper{flex:1;display:flex;flex-direction:column}
.page-content{flex:1;padding-top:var(--bz-header-h)}

/* --- Typography --- */
h1,.h1{font-size:2.5rem;font-weight:700;letter-spacing:-0.03em;line-height:1.15;margin:0}
h2,.h2{font-size:1.5rem;font-weight:600;letter-spacing:-0.02em;line-height:1.25;margin:0}
h3,.h3{font-size:1.25rem;font-weight:600;letter-spacing:-0.01em;line-height:1.35;margin:0}
h4,.h4{font-size:1.125rem;font-weight:500;line-height:1.45;margin:0}
.h5{font-size:1rem;font-weight:600;line-height:1.45;margin:0}
.h6{font-size:.9375rem;font-weight:600;line-height:1.5;margin:0}
.text-xs{font-size:.75rem}
.text-sm{font-size:.875rem}
.text-lg{font-size:1.125rem}
.text-muted{color:var(--bz-gray-400)!important}
.text-primary{color:var(--bz-primary)}
.text-decoration-none{text-decoration:none!important}
.text-decoration-underline{text-decoration:underline;text-underline-offset:2px}
.fw-normal{font-weight:400}
.fw-medium{font-weight:500}
.fw-semibold{font-weight:600}
.fw-bold{font-weight:700}

/* --- Spacing --- */
.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}
.gap-4{gap:1rem}.gap-6{gap:1.5rem}.gap-8{gap:2rem}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:.25rem}
.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}
.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}
.mb-8{margin-bottom:2rem}.mb-12{margin-bottom:3rem}
.mt-0{margin-top:0}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}
.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-5{margin-top:1.25rem}.mt-6{margin-top:1.5rem}
.mr-2{margin-right:.5rem}.ml-auto{margin-left:auto}.mx-auto{margin-left:auto;margin-right:auto}
.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}
.py-4{padding-top:1rem;padding-bottom:1rem}.py-5{padding-top:1.25rem;padding-bottom:1.25rem}
.px-2{padding-left:.5rem;padding-right:.5rem}.px-3{padding-left:.75rem;padding-right:.75rem}
.p-2{padding:.5rem}.p-3{padding:.75rem}
.d-flex{display:flex}.d-inline-flex{display:inline-flex}.d-none{display:none}.d-block{display:block}
@media(min-width:768px){.d-md-none{display:none!important}.d-md-flex{display:flex!important}.d-md-inline{display:inline!important}.d-md-block{display:block!important}}
@media(min-width:992px){.d-lg-inline{display:inline!important}.d-lg-none{display:none!important}}
.align-items-center{align-items:center}
.align-items-start{align-items:flex-start}
.align-self-start{align-self:flex-start}
.justify-content-between{justify-content:space-between}
.justify-content-center{justify-content:center}
.flex-wrap{flex-wrap:wrap}.flex-column{flex-direction:column}
.flex-shrink-0{flex-shrink:0}.flex-grow-0{flex-grow:0}.flex-grow-1{flex-grow:1}
.w-100{width:100%}.h-100{height:100%}
.position-relative{position:relative}.position-absolute{position:absolute}.position-fixed{position:fixed}
.text-center{text-align:center}.text-nowrap{white-space:nowrap}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cursor-pointer{cursor:pointer}
.overflow-hidden{overflow:hidden}
.rounded{border-radius:var(--bz-radius-md)}.rounded-0{border-radius:0}

/* ==========================================================================
   BUTTONS (overrides Tabler .btn)
   ========================================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--bz-font);font-weight:500;font-size:.875rem;
  padding:.5rem 1.25rem;border-radius:var(--bz-radius-md);
  border:1px solid transparent;cursor:pointer;
  transition:all .2s var(--bz-ease);
  line-height:1.25rem;text-decoration:none;
  white-space:nowrap;user-select:none;
  background:transparent;color:var(--bz-gray-500);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--bz-primary);outline-offset:2px}
.btn-primary{background:var(--bz-primary)!important;color:#fff!important;border-color:var(--bz-primary)!important}
.btn-primary:hover{background:var(--bz-primary-dark)!important;color:#fff!important;box-shadow:0 4px 20px rgba(37,99,235,.25)}
.btn-secondary{background:var(--bz-gray-100)!important;color:var(--bz-gray-700)!important;border-color:var(--bz-gray-100)!important}
.btn-secondary:hover{background:var(--bz-gray-150)!important;color:var(--bz-gray-900)!important}
.btn-ghost{background:transparent!important;color:var(--bz-gray-500)!important;border-color:transparent!important}
.btn-ghost:hover{background:var(--bz-gray-100)!important;color:var(--bz-gray-900)!important}
.btn-outline{background:transparent!important;color:var(--bz-primary)!important;border-color:var(--bz-primary)!important}
.btn-outline:hover{background:var(--bz-primary)!important;color:#fff!important}
.btn-sm{padding:.375rem .875rem;font-size:.8125rem;border-radius:var(--bz-radius-sm)}
.btn-lg{padding:.75rem 1.75rem;font-size:1rem;border-radius:var(--bz-radius-md)}
.btn-icon{padding:.5rem;min-width:2.25rem;min-height:2.25rem}
.btn-block{width:100%}
.btn:disabled{opacity:.5;pointer-events:none}
.btn-success{background:var(--bz-success)!important;color:#fff!important;border-color:var(--bz-success)!important}

/* ==========================================================================
   FORMS (override Bootstrap form-control)
   ========================================================================== */
.form-group,.form-group:last-child{margin-bottom:1.25rem}
.form-label{display:block;font-size:.8125rem;font-weight:600;color:var(--bz-gray-700);margin-bottom:.375rem}
.form-input,
.form-control{
  width:100%;font-family:var(--bz-font);font-size:.875rem;
  padding:.625rem .875rem;
  border:1px solid var(--bz-gray-300);border-radius:var(--bz-radius-md);
  background:var(--bz-white);color:inherit;
  transition:border-color .2s,box-shadow .2s;
  box-shadow:none!important;outline:none!important;
  line-height:1.5;
}
.form-input:focus,
.form-control:focus{
  outline:none;border-color:var(--bz-primary);
  box-shadow:0 0 0 3px rgba(37,99,235,.1)!important
}
.theme-dark .form-input,.theme-dark .form-control{background:transparent;border-color:var(--bz-gray-300)}
.form-hint{font-size:.75rem;color:var(--bz-gray-400);margin-top:.25rem}
.form-error{font-size:.75rem;color:var(--bz-danger);margin-top:.25rem}
select.form-input,select.form-control{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .75rem center;
  padding-right:2.25rem
}
textarea.form-input,textarea.form-control{resize:vertical;min-height:80px}
.input-group{display:flex;align-items:stretch}
.input-group .form-input{border-radius:var(--bz-radius-md) 0 0 var(--bz-radius-md)}
.input-group .btn{border-radius:0 var(--bz-radius-md) var(--bz-radius-md) 0}

/* ==========================================================================
   CARDS & COMPONENTS (override Tabler .card)
   ========================================================================== */
.card,.bz-card{
  background:var(--bz-white);border:1px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-xl);box-shadow:var(--bz-shadow-sm);
  transition:box-shadow .2s,transform .2s
}
.card:hover{box-shadow:var(--bz-shadow-md)}
.theme-dark .card,.theme-dark .bz-card{background:transparent;border-color:var(--bz-gray-200)}
.card-body{padding:1.5rem}
.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--bz-gray-100);background:transparent}

/* Override Bootstrap card inside .tw */
.tw .card{border:none!important;box-shadow:none!important;background:transparent!important}
.tw .card-body{padding:0!important}
.tw-header .card-header{display:none}

/* Tool Card */
.tc{
  display:block;text-decoration:none;color:inherit;
  padding:.75rem 1rem;
  border:1px solid var(--bz-gray-200);border-radius:var(--bz-radius-lg);
  transition:all .2s var(--bz-ease);background:var(--bz-white)
}
.tc:hover{border-color:var(--bz-primary);box-shadow:var(--bz-shadow-glow);transform:translateY(-2px)}
.theme-dark .tc{background:transparent}
.tc-icon{
  width:34px;height:34px;
  background:var(--bz-primary-subtle);border-radius:var(--bz-radius-md);
  display:flex;align-items:center;justify-content:center;
  color:var(--bz-primary);font-size:.9375rem;flex-shrink:0
}

/* Category Card */
.cc{
  border:1px solid var(--bz-gray-200);border-radius:var(--bz-radius-xl);
  padding:1.5rem;transition:all .2s var(--bz-ease);background:var(--bz-white)
}
.cc:hover{border-color:var(--bz-primary);box-shadow:var(--bz-shadow-lg);transform:translateY(-2px)}
.theme-dark .cc{background:transparent}

/* Article Card */
.ac{
  display:flex;flex-direction:column;
  border:1px solid var(--bz-gray-200);border-radius:var(--bz-radius-xl);
  overflow:hidden;transition:all .2s var(--bz-ease);
  text-decoration:none;color:inherit;background:var(--bz-white)
}
.ac:hover{box-shadow:var(--bz-shadow-md);transform:translateY(-2px)}
.theme-dark .ac{background:transparent}
.ac-body{padding:1.25rem;flex:1;display:flex;flex-direction:column}
.ac-image{height:200px;object-fit:cover;width:100%;display:block;background:var(--bz-gray-100)}

/* Stretched link inside ac */
.ac .stretched-link::after{content:'';position:absolute;inset:0;z-index:1}
.ac-body{position:relative}

/* Result Card */
.rc{
  background:var(--bz-gray-50);border:1px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-lg);padding:1rem
}
.theme-dark .rc{background:transparent}

/* Sidebar Card */
.sc{
  border:1px solid var(--bz-gray-200);border-radius:var(--bz-radius-lg);
  overflow:hidden;background:var(--bz-white)
}
.theme-dark .sc{background:transparent}
.sc-header{
  padding:.75rem 1rem;font-size:.75rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.05em;
  color:var(--bz-gray-400);border-bottom:1px solid var(--bz-gray-100)
}
.sc-item{
  display:flex;align-items:center;gap:.5rem;
  padding:.625rem 1rem;font-size:.8125rem;
  color:var(--bz-gray-500);text-decoration:none;
  transition:background .15s
}
.sc-item:hover{background:var(--bz-gray-50);color:var(--bz-primary)}

/* Badge */
.badge{
  display:inline-flex;align-items:center;font-weight:500;
  font-size:.75rem;padding:.125em .625em;
  border-radius:var(--bz-radius-full);line-height:1.2;white-space:nowrap
}
.badge-primary{background:var(--bz-primary-subtle);color:var(--bz-primary)}
.theme-dark .badge-primary{color:var(--bz-primary-light)}

/* Divider */
hr{border:none;border-top:1px solid var(--bz-gray-200);margin:2rem 0}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.bz-nav{
  position:fixed;top:0;left:0;right:0;
  height:var(--bz-header-h);z-index:1000;
  display:flex;align-items:center;
  transition:background .3s var(--bz-ease),box-shadow .3s,backdrop-filter .3s,border-color .3s;
  background:rgba(255,255,255,.8);
  backdrop-filter:blur(12px) saturate(180%);
  -webkit-backdrop-filter:blur(12px) saturate(180%);
  border-bottom:1px solid rgba(0,0,0,.04);
}
body.theme-dark .bz-nav{background:rgba(24,24,27,.85);border-bottom-color:rgba(255,255,255,.04)}
.bz-nav.is-sticky{
  background:rgba(255,255,255,.88);
  border-bottom-color:rgba(0,0,0,.08);
  box-shadow:0 1px 3px rgba(0,0,0,.04);
}
body.theme-dark .bz-nav.is-sticky{background:rgba(24,24,27,.92);border-bottom-color:rgba(255,255,255,.06)}
.bz-nav-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.bz-nav-logo{
  font-weight:700;font-size:1.125rem;
  display:flex;align-items:center;gap:.5rem;
  color:var(--bz-gray-900);text-decoration:none
}
.bz-nav-logo:hover{color:var(--bz-gray-900)}
.bz-nav-links{display:flex;align-items:center;gap:.25rem}
.bz-nav-link{
  font-size:.875rem;font-weight:500;color:var(--bz-gray-500);
  padding:.375rem .75rem;border-radius:var(--bz-radius-md);
  transition:all .15s;text-decoration:none;background:none;border:none;cursor:pointer;
  font-family:var(--bz-font);display:inline-flex;align-items:center;gap:.25rem
}
.bz-nav-link:hover{color:var(--bz-gray-900);background:rgba(0,0,0,.04)}
.theme-dark .bz-nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.bz-nav-end{display:flex;align-items:center;gap:.5rem}

.bz-nav-search{
  display:flex;align-items:center;gap:.375rem;
  padding:.375rem .625rem;border:1px solid var(--bz-gray-300);
  border-radius:var(--bz-radius-md);font-size:.8125rem;
  color:var(--bz-gray-400);cursor:pointer;transition:all .15s;
  background:var(--bz-gray-50)
}
.bz-nav-search:hover{border-color:var(--bz-gray-400);box-shadow:var(--bz-shadow-sm)}
.bz-nav-search svg{flex-shrink:0}
.bz-nav-search kbd{
  font-size:.625rem;padding:.0625rem .3125rem;
  background:var(--bz-gray-100);border-radius:3px;color:var(--bz-gray-400);
  border:1px solid var(--bz-gray-200)
}

/* Mega Menu */
.has-mega::after{
  content:'';position:absolute;
  top:100%;left:0;right:0;height:16px;
  z-index:99
}
.bz-mega{
  position:absolute;top:calc(100% + 16px);left:50%;
  transform:translateX(-50%);
  background:var(--bz-white);
  border:1px solid var(--bz-gray-200);border-radius:var(--bz-radius-xl);
  box-shadow:var(--bz-shadow-xl);padding:1.25rem;
  visibility:hidden;opacity:0;z-index:100;
  min-width:680px;max-height:70vh;overflow-y:auto;
  pointer-events:none;
  transition:opacity .15s,visibility .15s
}
.theme-dark .bz-mega{background:var(--bz-gray-800);border-color:var(--bz-gray-200)}
.bz-nav .has-mega:hover .bz-mega{visibility:visible;opacity:1;pointer-events:auto}
.bz-mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.25rem}
.bz-mega-cat{font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--bz-gray-400);padding:.5rem .625rem .25rem}
.bz-mega-item{
  display:flex;align-items:center;gap:.5rem;
  padding:.375rem .625rem;border-radius:var(--bz-radius-md);
  font-size:.8125rem;color:var(--bz-gray-600);
  text-decoration:none;transition:background .15s
}
.bz-mega-item:hover{background:var(--bz-gray-100);color:var(--bz-primary)}

/* ==========================================================================
   HOMEPAGE
   ========================================================================== */
.bz-hero{
  min-height:90vh;display:flex;align-items:center;
  padding:7rem 0 5rem;position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--bz-gray-50) 0%,var(--bz-white) 100%)
}
.theme-dark .bz-hero{background:linear-gradient(180deg,var(--bz-gray-900) 0%,var(--bz-gray-800) 100%)}
.bz-hero-glow{
  position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:900px;height:600px;
  background:radial-gradient(ellipse,var(--bz-primary-subtle) 0%,transparent 70%);
  pointer-events:none;opacity:.8
}
.bz-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 50% at 50% 0%,rgba(124,58,237,.04) 0%,transparent 60%);
  pointer-events:none
}
.bz-hero>.container{position:relative;text-align:center}
.bz-hero-badge{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--bz-primary-subtle);color:var(--bz-primary);
  padding:.4375rem 1.125rem;border-radius:var(--bz-radius-full);
  font-size:.8125rem;font-weight:600;margin-bottom:1.5rem;
  border:1px solid rgba(37,99,235,.12)
}
.bz-hero h1{
  font-size:clamp(2.5rem,5vw,4rem);margin-bottom:1rem;
  color:var(--bz-gray-900);max-width:700px;margin-left:auto;margin-right:auto
}
.theme-dark .bz-hero h1{color:var(--bz-gray-100)}
.bz-hero .lead{
  font-size:1.125rem;color:var(--bz-gray-400);
  max-width:540px;margin:0 auto 2rem;line-height:1.65
}

/* Search bar */
.bz-search-bar{
  max-width:500px;margin:0 auto 3rem;
  display:flex;align-items:center;gap:.75rem;
  padding:.875rem 1.25rem;
  background:var(--bz-white);border:2px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-xl);cursor:pointer;
  transition:all .2s var(--bz-ease);
  box-shadow:var(--bz-shadow-md)
}
.bz-search-bar:hover{border-color:var(--bz-primary);box-shadow:var(--bz-shadow-glow)}
.bz-search-bar svg{flex-shrink:0;color:var(--bz-gray-400)}
.bz-search-bar span{flex:1;text-align:left;color:var(--bz-gray-400);font-size:.9375rem}
.bz-search-bar kbd{
  font-size:.6875rem;padding:.125rem .4375rem;
  background:var(--bz-gray-100);border-radius:4px;
  color:var(--bz-gray-400);border:1px solid var(--bz-gray-200)
}

/* Stats */
.bz-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;max-width:600px;margin:0 auto}
@media(max-width:640px){.bz-stats{grid-template-columns:repeat(2,1fr);gap:.75rem}}
.bz-stat{
  text-align:center;padding:1.25rem .75rem;
  background:var(--bz-white);border:1px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-xl);transition:all .2s
}
.bz-stat:hover{border-color:var(--bz-primary);transform:translateY(-2px);box-shadow:var(--bz-shadow-md)}
.theme-dark .bz-stat{background:var(--bz-gray-100)}
.bz-stat-icon{
  width:40px;height:40px;border-radius:var(--bz-radius-lg);
  background:var(--bz-primary-subtle);color:var(--bz-primary);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto .5rem
}
.bz-stat-num{font-size:1.5rem;font-weight:800;color:var(--bz-gray-900);line-height:1;margin-bottom:.125rem}
.theme-dark .bz-stat-num{color:var(--bz-gray-100)}
.bz-stat-label{font-size:.75rem;color:var(--bz-gray-400)}

/* Sections */
.section{padding:5rem 0}
.section-alt{background:var(--bz-gray-50);border-top:1px solid var(--bz-gray-100);border-bottom:1px solid var(--bz-gray-100)}
.theme-dark .section-alt{background:var(--bz-gray-100);border-color:var(--bz-gray-200)}
.section-alt2{
  background:linear-gradient(135deg,var(--bz-primary),var(--bz-accent));
  padding:3rem 0;color:#fff
}
.section-header{text-align:center;margin-bottom:3rem}
.section-header h2{font-size:2rem;margin-bottom:.5rem}
.section-header .subtitle{color:var(--bz-gray-400);font-size:.9375rem;max-width:520px;margin:0 auto}
.section-eyebrow{
  display:inline-block;font-size:.75rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.08em;
  color:var(--bz-primary);margin-bottom:.5rem
}

/* Category Cards */
.cat-grid{display:grid;gap:1rem}
@media(min-width:640px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
.cc-colored{
  background:var(--bz-white);border:1px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-xl);padding:1.5rem;
  transition:all .25s var(--bz-ease);
  position:relative;overflow:hidden
}
.cc-colored::before{
  content:'';position:absolute;top:0;left:0;right:0;
  height:3px;background:var(--cc-color)
}
.cc-colored:hover{
  border-color:var(--cc-color);
  box-shadow:0 8px 30px rgba(0,0,0,.06);
  transform:translateY(-2px)
}
.theme-dark .cc-colored{background:var(--bz-gray-100)}
.cc-icon{
  width:44px;height:44px;border-radius:var(--bz-radius-lg);
  background:color-mix(in srgb,var(--cc-color) 10%,transparent);
  color:var(--cc-color);display:flex;align-items:center;
  justify-content:center;margin-bottom:.75rem
}
.cc-tags{margin-top:.75rem;display:flex;flex-wrap:wrap;gap:.25rem}
.cc-tag{
  font-size:.6875rem;padding:.125em .5em;
  background:color-mix(in srgb,var(--cc-color) 6%,transparent);
  border-radius:var(--bz-radius-full);text-decoration:none;
  transition:background .15s
}
.cc-tag:hover{background:color-mix(in srgb,var(--cc-color) 15%,transparent)}

/* Features */
.features-grid{display:grid;gap:1.5rem}
@media(min-width:640px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.features-grid{grid-template-columns:repeat(3,1fr)}}
.fc{
  padding:2rem;border:1px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-xl);background:var(--bz-white);
  transition:all .25s var(--bz-ease)
}
.fc:hover{border-color:var(--bz-primary);box-shadow:var(--bz-shadow-lg);transform:translateY(-3px)}
.theme-dark .fc{background:var(--bz-gray-100)}
.fc-icon{
  width:52px;height:52px;border-radius:var(--bz-radius-lg);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:1.25rem
}
.fc-icon-blue{background:rgba(37,99,235,.1);color:#2563eb}
.fc-icon-purple{background:rgba(124,58,237,.1);color:#7c3aed}
.fc-icon-green{background:rgba(5,150,105,.1);color:#059669}
.fc-icon-orange{background:rgba(217,119,6,.1);color:#d97706}
.fc-icon-teal{background:rgba(8,145,178,.1);color:#0891b2}
.fc-icon-red{background:rgba(220,38,38,.1);color:#dc2626}
.fc h3{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;color:var(--bz-gray-900)}
.theme-dark .fc h3{color:var(--bz-gray-100)}
.fc p{font-size:.875rem;color:var(--bz-gray-400);line-height:1.6;margin:0}

/* Stats Bar */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1rem;text-align:center
}
@media(max-width:640px){.stats-bar{grid-template-columns:repeat(2,1fr)}}
.stats-bar-item{padding:1rem}
.stats-bar-num{font-size:2.5rem;font-weight:800;color:#fff;line-height:1;margin-bottom:.25rem}
.stats-bar-label{font-size:.875rem;opacity:.8}

/* Article Cards */
.learn-grid{display:grid;gap:1.5rem}
@media(min-width:768px){.learn-grid{grid-template-columns:repeat(3,1fr)}}
.tool-grid{display:grid;gap:.5rem}
@media(min-width:640px){.tool-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.tool-grid{grid-template-columns:repeat(4,1fr)}}
.ac-featured:hover{box-shadow:var(--bz-shadow-lg)}
.ac-image-wrap{overflow:hidden;position:relative}
.ac-image-wrap .ac-image{transition:transform .4s var(--bz-ease)}
.ac-featured:hover .ac-image-wrap .ac-image{transform:scale(1.04)}
.ac-link{
  font-size:.8125rem;font-weight:500;color:var(--bz-primary);
  display:inline-flex;align-items:center;gap:.25rem;
  margin-top:auto;transition:gap .2s
}
.ac-featured:hover .ac-link{gap:.5rem}

/* Testimonials */
.testimonial-grid{display:grid;gap:1.5rem}
@media(min-width:768px){.testimonial-grid{grid-template-columns:repeat(3,1fr)}}
.tc-card{
  background:var(--bz-white);border:1px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-xl);padding:2rem;
  transition:all .25s var(--bz-ease)
}
.tc-card:hover{border-color:var(--bz-primary);box-shadow:var(--bz-shadow-lg);transform:translateY(-2px)}
.theme-dark .tc-card{background:var(--bz-gray-100)}
.tc-stars{display:flex;gap:2px;margin-bottom:.75rem}
.tc-text{font-size:.875rem;color:var(--bz-gray-500);line-height:1.65;margin-bottom:1.25rem;font-style:italic}
.tc-author{display:flex;align-items:center;gap:.75rem}
.tc-avatar{
  width:38px;height:38px;border-radius:var(--bz-radius-full);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.8125rem;flex-shrink:0
}

/* CTA */
.bz-cta{
  padding:5rem;text-align:center;
  background:linear-gradient(135deg,#2563eb,#7c3aed,#db2777);
  border-radius:var(--bz-radius-2xl);color:#fff;
  position:relative;overflow:hidden
}
.bz-cta::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse at 30% 20%,rgba(255,255,255,.1) 0%,transparent 60%);
  pointer-events:none
}
.bz-cta-badge{
  display:inline-block;font-size:.75rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.06em;
  background:rgba(255,255,255,.15);padding:.3125rem .875rem;
  border-radius:var(--bz-radius-full);margin-bottom:1.25rem
}
.bz-cta h2{font-size:2.25rem;margin-bottom:.75rem;color:#fff}
.bz-cta p{opacity:.85;max-width:520px;margin:0 auto 2rem;font-size:1rem;line-height:1.6}
.bz-cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn-cta{background:#fff!important;color:var(--bz-primary)!important;border-color:#fff!important;padding:.875rem 2rem;font-size:1rem;font-weight:600}
.btn-cta:hover{background:rgba(255,255,255,.9)!important;transform:translateY(-2px);box-shadow:0 12px 40px rgba(0,0,0,.15)}
.btn-cta-ghost{background:rgba(255,255,255,.1)!important;color:#fff!important;border-color:rgba(255,255,255,.2)!important;padding:.875rem 2rem;font-size:1rem;font-weight:600}
.btn-cta-ghost:hover{background:rgba(255,255,255,.2)!important;border-color:rgba(255,255,255,.3)!important;transform:translateY(-2px)}

/* Tool section */
.tool-section-cat{margin-bottom:2.5rem}
.tool-section-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:1rem;padding-bottom:.5rem;
  border-bottom:1px solid var(--bz-gray-100)
}
.tool-section-header h3{margin:0}

/* ==========================================================================
   TOOL PAGE
   ========================================================================== */
.tool-hero{
  padding:1.5rem 0 1.25rem;
  background:linear-gradient(180deg,var(--bz-gray-50) 0%,transparent 100%);
  border-bottom:1px solid var(--bz-gray-100)
}
.theme-dark .tool-hero{background:linear-gradient(180deg,var(--bz-gray-800) 0%,transparent 100%);border-color:var(--bz-gray-200)}
.tool-hero h1{margin-bottom:.375rem;font-size:1.75rem}
.tool-hero .desc{color:var(--bz-gray-400);max-width:560px;font-size:.9375rem;line-height:1.5}

.tool-meta{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;margin-top:.5rem}
.tool-meta>*{font-size:.8125rem;color:var(--bz-gray-400);display:flex;align-items:center;gap:.25rem}

.tool-layout{display:grid;gap:2rem;padding:1.5rem 0}
@media(min-width:1024px){.tool-layout{grid-template-columns:1fr 300px}}
.tool-main{min-width:0}

/* Tool Widget */
.tw{
  background:var(--bz-white);border:1px solid var(--bz-gray-200);
  border-radius:var(--bz-radius-xl);box-shadow:var(--bz-shadow-lg);
  overflow:hidden
}
.tw-header{
  padding:.875rem 1.25rem;border-bottom:1px solid var(--bz-gray-100);
  display:flex;align-items:center;justify-content:space-between;
  background:var(--bz-gray-50)
}
.tw-body{padding:1.25rem}
.tw-footer{
  padding:.75rem 1.25rem;border-top:1px solid var(--bz-gray-100);
  background:var(--bz-gray-50);
  display:flex;align-items:center;gap:.5rem;flex-wrap:wrap
}
.theme-dark .tw{background:transparent}
.theme-dark .tw-header{background:transparent;border-color:var(--bz-gray-200)}
.theme-dark .tw-footer{background:transparent;border-color:var(--bz-gray-200)}

/* Override any Bootstrap inside .tw-body */
.tw-body .card{border:none!important;box-shadow:none!important;background:transparent!important}
.tw-body .card-body{padding:0!important}
.tw-body .row{margin-left:0;margin-right:0}
.tw-body .form-control{margin-bottom:0}

/* Tool Sidebar */
.ts{position:sticky;top:calc(var(--bz-header-h) + 1.5rem)}
.ts-section{margin-bottom:1rem}

/* Quick actions */
.qactions{display:flex;gap:.25rem;flex-wrap:wrap;margin-bottom:1.25rem;padding:.25rem 0}

/* ==========================================================================
   CONTENT ARTICLE
   ========================================================================== */
.content-article{font-size:.9375rem;line-height:1.75;color:var(--bz-gray-700)}
.theme-dark .content-article{color:var(--bz-gray-400)}
.content-article h2{font-size:1.375rem;margin-top:2.5rem;margin-bottom:.75rem;color:var(--bz-gray-900)}
.theme-dark .content-article h2{color:var(--bz-gray-100)}
.content-article h3{font-size:1.125rem;margin-top:2rem;margin-bottom:.5rem;color:var(--bz-gray-800)}
.theme-dark .content-article h3{color:var(--bz-gray-200)}
.content-article p{margin-bottom:1rem}
.content-article ul,.content-article ol{margin-bottom:1rem;padding-left:1.5rem}
.content-article li{margin-bottom:.25rem}
.content-article strong{color:var(--bz-gray-900);font-weight:600}
.theme-dark .content-article strong{color:var(--bz-gray-100)}
.content-article img{border-radius:var(--bz-radius-lg);margin:1.5rem 0;box-shadow:var(--bz-shadow-md)}
.content-article table{width:100%;border-collapse:separate;border-spacing:0;margin:1.5rem 0;font-size:.875rem;border:1px solid var(--bz-gray-200);border-radius:var(--bz-radius-lg);overflow:hidden}
.content-article th{background:var(--bz-gray-50);font-weight:600;text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--bz-gray-200);color:var(--bz-gray-700)}
.content-article td{padding:.625rem 1rem;border-bottom:1px solid var(--bz-gray-100)}
.content-article tr:last-child td{border-bottom:none}
.theme-dark .content-article table{border-color:var(--bz-gray-200)}
.theme-dark .content-article th{background:var(--bz-gray-100);color:var(--bz-gray-300)}
.content-article pre{background:var(--bz-gray-900);color:#e4e4e7;padding:1rem 1.25rem;border-radius:var(--bz-radius-lg);overflow-x:auto;font-size:.8125rem;line-height:1.6;margin:1.5rem 0;font-family:var(--bz-mono)}
.content-article code{font-family:var(--bz-mono);font-size:.8125rem;background:var(--bz-gray-100);padding:.125em .375em;border-radius:4px;color:var(--bz-danger)}
.content-article pre code{background:transparent;padding:0;color:inherit}
.content-article blockquote{border-left:3px solid var(--bz-primary);padding:.75rem 1rem;margin:1.5rem 0;background:var(--bz-gray-50);border-radius:0 var(--bz-radius-md) var(--bz-radius-md) 0;color:var(--bz-gray-600)}
.theme-dark .content-article blockquote{background:var(--bz-gray-100)}
.content-article a{color:var(--bz-primary);text-decoration:underline;text-underline-offset:2px}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.bz-footer{border-top:1px solid var(--bz-gray-200);padding:3rem 0 2rem;margin-top:3rem}
.theme-dark .bz-footer{border-color:var(--bz-gray-200)}
.footer-grid{display:grid;gap:2rem}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr 1fr}}
.footer-brand{font-weight:700;font-size:1rem;margin-bottom:.5rem;color:var(--bz-gray-900)}
.theme-dark .footer-brand{color:var(--bz-gray-100)}
.footer-text{font-size:.8125rem;color:var(--bz-gray-400);line-height:1.6;max-width:320px}
.footer-heading{font-size:.75rem;font-weight:600;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--bz-gray-400)}
.footer-link{font-size:.8125rem;color:var(--bz-gray-400);display:block;padding:.2rem 0;text-decoration:none;transition:color .15s}
.footer-link:hover{color:var(--bz-primary)}

/* ==========================================================================
   404
   ========================================================================== */
.page-404{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;text-align:center;padding:2rem}
.page-404 .code{font-size:6rem;font-weight:800;color:var(--bz-gray-200);line-height:1;letter-spacing:-.05em}
.page-404 h1{margin:.5rem 0}
.page-404 p{color:var(--bz-gray-400);max-width:400px;margin:0 auto 1.5rem}

/* ==========================================================================
   EMPTY & LOADING
   ========================================================================== */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;text-align:center}
.empty-state .icon{font-size:2.5rem;color:var(--bz-gray-200);margin-bottom:1rem}
.empty-state h3{font-size:1.125rem;font-weight:600;color:var(--bz-gray-500);margin-bottom:.25rem}
.empty-state p{font-size:.875rem;color:var(--bz-gray-400);max-width:280px;margin:0 auto 1rem}
.skeleton{border-radius:var(--bz-radius-md);animation:shimmer 1.5s ease-in-out infinite;background:linear-gradient(90deg,var(--bz-gray-100) 25%,var(--bz-gray-150) 50%,var(--bz-gray-100) 75%);background-size:200% 100%}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ==========================================================================
   ALERTS (override Tabler)
   ========================================================================== */
.alert{border-radius:var(--bz-radius-lg);border:1px solid var(--bz-gray-200);padding:.875rem 1rem;margin-bottom:0;font-size:.875rem}
.alert-warning{background:#fffbeb;color:#92400e;border-color:#fde68a}
.alert-important{border-left:3px solid var(--bz-warning)}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media(max-width:768px){
  .bz-hero{min-height:auto;padding:5rem 0 3rem}
  .bz-hero h1{font-size:1.75rem}
  .bz-hero-glow{width:100%;height:300px;top:-10%}
  .bz-search-bar{margin:0 1rem 2.5rem}
  .bz-cta{padding:2.5rem 1.5rem;border-radius:0}
  .bz-cta h2{font-size:1.5rem}
  .tool-hero{padding:1.25rem 0 1rem}
  .tool-hero h1{font-size:1.375rem}
  .tool-layout{grid-template-columns:1fr}
  .ts{position:static}
  .tw-body{padding:1rem}
  .section{padding:3rem 0}
  .section-header h2{font-size:1.5rem}
  .cat-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .testimonial-grid{grid-template-columns:1fr}
  .tool-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .bz-nav-search span{display:none!important}
  .bz-nav-search kbd{display:none!important}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .stats-bar-num{font-size:1.75rem}
  .bz-cta-actions{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .bz-hero{padding:4rem 0 2.5rem}
  .bz-hero h1{font-size:1.5rem}
  .bz-hero .lead{font-size:1rem}
  .bz-stats{grid-template-columns:repeat(2,1fr);gap:.5rem}
  .bz-stat{padding:.75rem .5rem}
  .bz-stat-num{font-size:1.125rem}
  .bz-stat-icon{width:32px;height:32px}
  .tool-grid{grid-template-columns:1fr}
  .fc{padding:1.25rem}
  .tc-card{padding:1.25rem}
}