/* ============================================================
   HideInfoTech — Main Stylesheet
   Dark-mode first design system
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   CSS Custom Properties (Design Tokens)
   ============================================================ */

:root,
[data-theme="dark"] {
  /* Colors */
  --color-primary:       #6C63FF;
  --color-primary-light: #8B85FF;
  --color-primary-dark:  #5248E8;
  --color-secondary:     #00D4FF;
  --color-secondary-dark:#00A8CC;

  /* Backgrounds */
  --bg-base:     #0A0E1A;
  --bg-surface:  #12172B;
  --bg-card:     #1A2035;
  --bg-card-alt: #1E2540;
  --bg-input:    #0F1426;

  /* Borders */
  --border-color:  #2A3045;
  --border-subtle: #1E2640;
  --border-focus:  var(--color-primary);

  /* Text */
  --text-primary:   #E2E8F0;
  --text-secondary: #B0BCCE;
  --text-muted:     #8892A4;
  --text-faint:     #5A6478;

  /* Semantic */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error:   #EF4444;
  --color-info:    #3B82F6;

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-full:9999px;

  /* Shadows */
  --shadow-sm:    0 1px 3px rgba(0,0,0,.4);
  --shadow-md:    0 4px 16px rgba(0,0,0,.5);
  --shadow-lg:    0 8px 32px rgba(0,0,0,.6);
  --shadow-glow:  0 0 24px rgba(108,99,255,.25);
  --shadow-glow-cyan: 0 0 24px rgba(0,212,255,.2);

  /* Transitions */
  --transition:       .3s ease;
  --transition-fast:  .15s ease;
  --transition-slow:  .5s ease;

  /* Typography */
  --font-base: 'Inter', system-ui, -apple-system, sans-serif;
  --text-xs:   .75rem;
  --text-sm:   .875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  /* Z-index layers */
  --z-base:    1;
  --z-sticky: 100;
  --z-overlay:200;
  --z-modal:  300;
  --z-toast:  400;

  /* Glassmorphism */
  --glass-bg:     rgba(18,23,43,.85);
  --glass-border: rgba(42,48,69,.7);
}

[data-theme="light"] {
  --bg-base:     #F0F4FF;
  --bg-surface:  #FFFFFF;
  --bg-card:     #FFFFFF;
  --bg-card-alt: #F8FAFF;
  --bg-input:    #F1F5FD;

  --border-color:  #DDE3F0;
  --border-subtle: #EEF2FA;

  --text-primary:   #1A1F36;
  --text-secondary: #3D4563;
  --text-muted:     #6B7494;
  --text-faint:     #9AA5BE;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.12);
  --shadow-glow:0 0 24px rgba(108,99,255,.15);

  --glass-bg:     rgba(255,255,255,.85);
  --glass-border: rgba(220,225,240,.8);
}

/* ============================================================
   Reset & Base
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-base);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-light); }

ul, ol { list-style: none; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button { cursor: pointer; border: none; background: none; }

h1,h2,h3,h4,h5,h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}


.d-inline-flex    { display: inline-flex; }
.flex-col         { flex-direction: column; }
.flex-wrap        { flex-wrap: wrap; }
.flex-1           { flex: 1; }
.align-center     { align-items: center; }
.align-start      { align-items: flex-start; }
.align-end        { align-items: flex-end; }
.justify-center   { justify-content: center; }
.justify-between  { justify-content: space-between; }
.justify-end      { justify-content: flex-end; }
.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;   }

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.me-2 { margin-right: .5rem; }
.me-3 { margin-right: .75rem; }
.p-4  { padding: 1rem; }
.p-6  { padding: 1.5rem; }
.py-4 { padding-block: 1rem; }
.py-8 { padding-block: 2rem; }
.py-12{ padding-block: 3rem; }
.py-16{ padding-block: 4rem; }
.px-4 { padding-inline: 1rem; }

/* Display */
.d-none   { display: none; }
.d-block  { display: block; }
.w-full   { width: 100%; }

/* Text utilities */
.text-center  { text-align: center; }
.text-sm      { font-size: var(--text-sm); }
.text-xs      { font-size: var(--text-xs); }
.text-muted   { color: var(--text-muted); }
.font-bold    { font-weight: 700; }
.font-semibold{ font-weight: 600; }

/* ============================================================
   Header / Navbar
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background var(--transition), border-color var(--transition);
}

/* Logo — works for both .nav-logo and .site-logo classes */
.nav-logo,
.site-logo,
a.navbar-brand.site-logo {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  background: none;
  -webkit-text-fill-color: initial;
}

.logo-hide {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.logo-tech {
  color: var(--text-primary);
  font-weight: 700;
}

/* Bootstrap navbar overrides */
.navbar {
  padding: .875rem 0;
}

.navbar-brand {
  margin-right: 0;
  padding: 0;
}

/* Icon Button — used for search & theme toggle in header */
.btn-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
}

.btn-icon:hover {
  background: rgba(108,99,255,.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Theme Toggle (alias for btn-theme-toggle & .theme-toggle) */
.theme-toggle,
.btn-theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  font-size: 1rem;
  padding: 0;
}

.theme-toggle:hover,
.btn-theme-toggle:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: rotate(20deg);
}

/* Bootstrap custom dropdown menu style */
.dropdown-menu-tools {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  min-width: 220px;
}

.dropdown-item {
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  padding: .5rem .875rem;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: rgba(108,99,255,.1);
  color: var(--color-primary-light);
}

.dropdown-all-tools {
  font-weight: 700;
  color: var(--color-primary);
}

.dropdown-divider { border-color: var(--border-color); }

/* Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: .25rem;
}

/* Bootstrap overrides for .nav-link */
.navbar-nav .nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-md);
  padding: .5rem .875rem !important;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 2px;
  transition: width var(--transition);
}

/* Don't apply underline pseudo to dropdown toggles */
.navbar-nav .nav-link.dropdown-toggle::after {
  content: none;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--text-primary) !important;
  background: rgba(108,99,255,.08);
}

.navbar-nav .nav-link:hover::before,
.navbar-nav .nav-link.active::before {
  width: 60%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 38px;
  height: 38px;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-bar {
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
  display: block;
}

.nav-toggle.open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .nav-toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Search Bar */
.nav-search {
  flex: 1;
  max-width: 360px;
  position: relative;
}

.nav-search-input {
  width: 100%;
  padding: .5rem 1rem .5rem 2.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.nav-search-input::placeholder { color: var(--text-muted); }
.nav-search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,.15);
}

.nav-search-icon {
  position: absolute;
  left: .875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: .9rem;
}

/* ============================================================
   Hero Section
   ============================================================ */

.hero {
  position: relative;
  padding: 5rem 0 4rem;
  overflow: hidden;
  background: var(--bg-base);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 30%, rgba(108,99,255,.18) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(0,212,255,.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 35% at 50% 80%, rgba(108,99,255,.08) 0%, transparent 60%);
  pointer-events: none;
}

/* Floating orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orb-float 8s ease-in-out infinite alternate;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(108,99,255,.18);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(0,212,255,.14);
  top: 20%;
  right: -50px;
  animation-delay: -3s;
  animation-duration: 10s;
}

.hero-orb-3 {
  width: 250px;
  height: 250px;
  background: rgba(108,99,255,.1);
  bottom: -80px;
  left: 30%;
  animation-delay: -5s;
  animation-duration: 12s;
}

@keyframes orb-float {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, 20px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .375rem 1rem;
  background: rgba(108,99,255,.15);
  border: 1px solid rgba(108,99,255,.3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, var(--text-5xl));
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary-light) 50%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* Hero Search */
.hero-search {
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: .375rem .375rem .375rem 1.25rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-md);
  position: relative;
}

.hero-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(108,99,255,.15), var(--shadow-lg);
}

.hero-search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: var(--text-base);
  padding: .5rem 0;
  min-width: 0;
}

.hero-search-input::placeholder { color: var(--text-muted); }

.hero-search-btn {
  padding: .65rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
  border: none;
  cursor: pointer;
}

.hero-search-btn:hover { opacity: .9; transform: scale(.98); }

/* Hero Stats — supports both .hero-stat and .stat-item class names */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-stat,
.stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .125rem;
}

.hero-stat-value,
.stat-num {
  font-size: var(--text-2xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-item span:last-child {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: .125rem;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* ============================================================
   Section Headings
   ============================================================ */

/* Default: centered. When it contains a flex child (like a View All button),
   switch to space-between row layout */
.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* When no button is present (single child), center everything */
.section-header.text-center {
  justify-content: center;
  text-align: center;
}

.section-header > div {
  flex: 1;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-primary);
  margin-bottom: .5rem;
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--text-muted);
  max-width: 520px;
}

.section-header.text-center .section-subtitle {
  margin-inline: auto;
}

.section-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  margin-top: .75rem;
  transition: gap var(--transition-fast);
  text-decoration: none;
}
.section-link:hover { gap: .6rem; }

/* ============================================================
   Tool Cards
   ============================================================ */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .875rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,99,255,.04), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108,99,255,.5);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.tool-card:hover::before { opacity: 1; }

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
}

.tool-card-icon,
.tool-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(108,99,255,.2), rgba(0,212,255,.1));
  border: 1px solid rgba(108,99,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.tool-card-badge,
.tool-badge {
  display: inline-flex;
  align-items: center;
  padding: .25rem .625rem;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(108,99,255,.12);
  color: var(--color-primary-light);
  border: 1px solid rgba(108,99,255,.2);
  white-space: nowrap;
  text-transform: capitalize;
}

.tool-card-title,
.tool-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.tool-card-desc,
.tool-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: .75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--text-faint);
  margin-top: auto;
}

.tool-card-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(108,99,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: .8rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.tool-card:hover .tool-card-arrow {
  background: var(--color-primary);
  color: #fff;
  transform: translateX(2px);
}

/* Badge color variants */
.badge-dev     { background: rgba(108,99,255,.12); color: #8B85FF; border-color: rgba(108,99,255,.25); }
.badge-calc    { background: rgba(16,185,129,.12);  color: #34D399;  border-color: rgba(16,185,129,.25); }
.badge-seo     { background: rgba(245,158,11,.12);  color: #FBBF24;  border-color: rgba(245,158,11,.25); }
.badge-text    { background: rgba(59,130,246,.12);  color: #60A5FA;  border-color: rgba(59,130,246,.25); }
.badge-net     { background: rgba(0,212,255,.12);   color: #22D3EE;  border-color: rgba(0,212,255,.25); }
.badge-new     { background: rgba(16,185,129,.12);  color: #34D399;  border-color: rgba(16,185,129,.25); }
.badge-popular { background: rgba(245,158,11,.12);  color: #FBBF24;  border-color: rgba(245,158,11,.25); }

/* Tool card body — gap between name and desc */
.tool-card-body {
  display: flex;
  flex-direction: column;
  gap: .375rem;
  flex: 1;
}

/* Category tag & views inside card footer */
.tool-category-tag {
  padding: .2rem .6rem;
  background: rgba(108,99,255,.1);
  color: var(--color-primary-light);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
}

.tool-views {
  font-size: var(--text-xs);
  color: var(--text-faint);
}

/* ============================================================
   Category Cards
   ============================================================ */

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  display: block;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: opacity var(--transition);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  border-color: rgba(108,99,255,.35);
}
.category-card:hover::before { opacity: 1; }

.category-card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.category-card-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .375rem;
}

.category-card-count {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* Category gradient tints */
.cat-dev     { background: linear-gradient(135deg, var(--bg-card) 0%, rgba(108,99,255,.05) 100%); }
.cat-calc    { background: linear-gradient(135deg, var(--bg-card) 0%, rgba(16,185,129,.05)  100%); }
.cat-seo     { background: linear-gradient(135deg, var(--bg-card) 0%, rgba(245,158,11,.05)  100%); }
.cat-text    { background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59,130,246,.05)  100%); }
.cat-net     { background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0,212,255,.05)   100%); }
.cat-misc    { background: linear-gradient(135deg, var(--bg-card) 0%, rgba(239,68,68,.05)   100%); }

/* ============================================================
   Article / Blog Cards
   ============================================================ */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
  color: inherit;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108,99,255,.35);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.article-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: linear-gradient(135deg, var(--bg-card-alt), var(--bg-surface));
}

.article-card-image-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(108,99,255,.12), rgba(0,212,255,.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.article-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .625rem;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--text-faint);
}

.article-card-category {
  padding: .2rem .6rem;
  background: rgba(108,99,255,.12);
  color: var(--color-primary-light);
  border-radius: var(--radius-full);
  font-weight: 600;
  text-transform: capitalize;
}

.article-card-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-excerpt {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--text-xs);
  color: var(--text-faint);
  padding-top: .625rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.article-card-read-more {
  margin-left: auto;
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================================
   Tool Page — Two-Column Layout
   ============================================================ */

.tool-page-wrapper {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0 3rem;
}

.tool-main { min-width: 0; }

.tool-runner {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tool-runner-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card-alt);
}

.tool-runner-title {
  font-size: var(--text-lg);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: .75rem;
}

.tool-runner-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Tool Inputs & Outputs */
.tool-input,
.tool-output {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 1rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: var(--text-sm);
  line-height: 1.7;
  resize: vertical;
  min-height: 160px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.tool-input:focus,
.tool-output:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,.12);
}

.tool-output {
  background: rgba(0,212,255,.03);
  border-color: rgba(0,212,255,.2);
}

.tool-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .5rem;
}

.tool-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

/* Tool Button */
.btn-tool {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-tool:hover  { opacity: .9; transform: translateY(-1px); }
.btn-tool:active { transform: translateY(0); }

/* Result stat grid */
.tool-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .75rem;
}

.tool-result-stat {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: .875rem 1rem;
  text-align: center;
}

.tool-result-stat-value {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary-light);
  display: block;
}

.tool-result-stat-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: .25rem;
}

/* Tool Error */
.tool-error {
  padding: .875rem 1rem;
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.25);
  border-radius: var(--radius-md);
  color: #FCA5A5;
  font-size: var(--text-sm);
  display: none;
}

.tool-error.show { display: block; }

/* Tool success */
.tool-success {
  padding: .875rem 1rem;
  background: rgba(16,185,129,.1);
  border: 1px solid rgba(16,185,129,.25);
  border-radius: var(--radius-md);
  color: #6EE7B7;
  font-size: var(--text-sm);
  display: none;
}
.tool-success.show { display: block; }

/* FAQ / Accordion */
.faq-section {
  margin-top: 2.5rem;
}

.faq-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: .5rem;
  overflow: hidden;
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--text-sm);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
}

.accordion-trigger:hover { background: var(--bg-card-alt); }

.accordion-icon {
  transition: transform var(--transition);
  flex-shrink: 0;
  font-size: .75rem;
  color: var(--text-muted);
}

.accordion-item.open .accordion-icon { transform: rotate(180deg); }

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .5s ease;
}

.accordion-item.open .accordion-content { max-height: 600px; }

.accordion-body {
  padding: 1rem 1.25rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid var(--border-subtle);
}

/* Tool Instructions */
.tool-instructions {
  background: linear-gradient(135deg, rgba(108,99,255,.06), rgba(0,212,255,.04));
  border: 1px solid rgba(108,99,255,.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.tool-instructions h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .875rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.tool-instructions ol,
.tool-instructions ul {
  list-style: decimal;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.tool-instructions ul { list-style: disc; }

.tool-instructions li {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Tool Sidebar */
.tool-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ============================================================
   Sidebar & Widgets
   ============================================================ */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.widget-header {
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card-alt);
}

.widget-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: .06em;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.widget-body { padding: 1.25rem; }

.related-tool-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem 0;
  border-bottom: 1px solid var(--border-subtle);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.related-tool-link:last-child { border-bottom: none; }
.related-tool-link:hover { color: var(--color-primary); }

.related-tool-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(108,99,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  flex-shrink: 0;
}

/* ============================================================
   Ad Slots
   ============================================================ */

.ad-slot {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ad-label {
  display: block;
  text-align: center;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .25rem;
}

.ad-slot-inner {
  background: rgba(108,99,255,.02);
  border: 1px dashed var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-faint);
  font-size: var(--text-xs);
}

.ad-slot-header   .ad-slot-inner { min-height: 90px;  width: 100%; }
.ad-slot-sidebar  .ad-slot-inner { min-height: 250px; width: 300px; margin: 0 auto; }
.ad-slot-footer   .ad-slot-inner { min-height: 90px;  width: 100%; }

/* ============================================================
   Breadcrumbs
   ============================================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .375rem;
  padding: .875rem 0;
  font-size: var(--text-sm);
}

.breadcrumb-item { color: var(--text-muted); }

.breadcrumb-item a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.breadcrumb-item a:hover { color: var(--color-primary); }

.breadcrumb-item.active { color: var(--text-primary); font-weight: 500; }

.breadcrumb-sep {
  color: var(--text-faint);
  user-select: none;
}

/* ============================================================
   Pagination
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 .875rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.page-btn:hover,
.page-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.page-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}

/* ============================================================
   Forms & Buttons
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.form-label .required { color: var(--color-error); margin-left: .25rem; }

.form-control {
  width: 100%;
  padding: .625rem .875rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control::placeholder { color: var(--text-faint); }

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,.12);
}

select.form-control { appearance: none; cursor: pointer; }

textarea.form-control {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.form-hint  { font-size: var(--text-xs); color: var(--text-faint); }
.form-error { font-size: var(--text-xs); color: var(--color-error); }

.char-counter {
  font-size: var(--text-xs);
  color: var(--text-faint);
  text-align: right;
}
.char-counter.warn { color: var(--color-warning); }

.input-group { display: flex; gap: 0; }
.input-group .form-control { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.input-group .btn          { border-radius: 0 var(--radius-md) var(--radius-md) 0; flex-shrink: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }

.btn-sm { padding: .375rem .875rem; font-size: var(--text-xs); }
.btn-lg { padding: .875rem 2rem;   font-size: var(--text-base); border-radius: var(--radius-lg); }

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)); }

.btn-secondary {
  background: var(--bg-card-alt);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover { background: var(--bg-card); border-color: var(--color-primary); color: var(--color-primary); }

.btn-success  { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.btn-warning  { background: var(--color-warning); color: #000; border-color: var(--color-warning); }
.btn-danger   { background: var(--color-error);   color: #fff; border-color: var(--color-error); }

.btn-outline-primary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline-primary:hover { background: var(--color-primary); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text-primary); }

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .375rem .875rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-copy:hover  { background: var(--color-success); border-color: var(--color-success); color: #fff; }
.btn-copy.copied { background: var(--color-success); border-color: var(--color-success); color: #fff; }

/* ============================================================
   Blog / Article Detail
   ============================================================ */

.blog-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}

.blog-listing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

.article-detail {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-hero-image {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
}

.article-detail-body { padding: 2rem; }

.article-detail-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.5rem;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.article-detail-title {
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 1rem;
}

/* Article Typography */
.article-content { font-size: var(--text-base); line-height: 1.8; color: var(--text-secondary); }

.article-content h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 2rem 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border-color);
}

.article-content h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.5rem 0 .75rem;
}

.article-content h4 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.25rem 0 .5rem;
}

.article-content p   { margin-bottom: 1.25rem; }
.article-content a   { color: var(--color-primary); text-decoration: underline; }

.article-content ul,
.article-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { color: var(--text-secondary); }

.article-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--color-primary);
  background: rgba(108,99,255,.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: .875em;
  background: rgba(108,99,255,.12);
  color: var(--color-primary-light);
  padding: .125em .375em;
  border-radius: 4px;
}

.article-content pre {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.article-content pre code {
  background: none;
  color: var(--text-primary);
  padding: 0;
  font-size: var(--text-sm);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
  font-size: var(--text-sm);
}

.article-content th,
.article-content td {
  padding: .625rem .875rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.article-content th { background: var(--bg-card-alt); font-weight: 600; color: var(--text-primary); }
.article-content img { border-radius: var(--radius-md); margin-block: 1rem; }

/* Tags */
.tags-list { display: flex; flex-wrap: wrap; gap: .5rem; }

.tag-pill {
  display: inline-flex;
  align-items: center;
  padding: .25rem .75rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.tag-pill:hover {
  background: rgba(108,99,255,.12);
  border-color: rgba(108,99,255,.3);
  color: var(--color-primary-light);
}

/* Author box */
.author-box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-top: 2rem;
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  overflow: hidden;
}

.author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-name { font-weight: 700; color: var(--text-primary); margin-bottom: .25rem; }
.author-bio  { font-size: var(--text-sm); color: var(--text-muted); }

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  margin-top: 5rem;
}

/* Footer sections */
.footer-top {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.footer-middle {
  padding: 3rem 0;
}

/* Footer logo (renders same gradient as nav logo) */
.footer-logo {
  display: inline-block;
  text-decoration: none;
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: .875rem;
}

.footer-logo .logo-hide {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.footer-logo .logo-tech {
  color: var(--text-primary);
  font-weight: 700;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 300px;
}

/* Social */
.footer-social {
  display: flex;
  gap: .625rem;
  justify-content: flex-end;
}

@media (max-width: 767px) {
  .footer-social { justify-content: flex-start; }
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: .9rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer-social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-heading {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .625rem;
  padding: 0;
  margin: 0;
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-links a:hover { color: var(--color-primary); }

.footer-link-more {
  color: var(--color-primary) !important;
  font-weight: 600;
}

/* Newsletter */
.footer-newsletter {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.newsletter-card {
  background: linear-gradient(135deg, rgba(108,99,255,.08), rgba(0,212,255,.05));
  border: 1px solid rgba(108,99,255,.2);
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.newsletter-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .375rem;
}

.newsletter-sub {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.newsletter-input {
  background: var(--bg-input);
  border-color: var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md) 0 0 var(--radius-md) !important;
}

.newsletter-btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
  white-space: nowrap;
}

/* Footer Bottom Bar */
.footer-bottom {
  padding: 1.25rem 0;
}

.footer-copyright,
.footer-made {
  font-size: var(--text-sm);
  color: var(--text-faint);
  margin: 0;
}

.footer-bottom-links { display: flex; gap: 1.25rem; }

.footer-bottom-links a {
  font-size: var(--text-sm);
  color: var(--text-faint);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-bottom-links a:hover { color: var(--color-primary); }

/* ============================================================
   Utilities
   ============================================================ */

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .6rem;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}

.badge-primary  { background: rgba(108,99,255,.15); color: #8B85FF; border-color: rgba(108,99,255,.3); }
.badge-success  { background: rgba(16,185,129,.15);  color: #34D399;  border-color: rgba(16,185,129,.3); }
.badge-warning  { background: rgba(245,158,11,.15);  color: #FBBF24;  border-color: rgba(245,158,11,.3); }
.badge-danger   { background: rgba(239,68,68,.15);   color: #FCA5A5;  border-color: rgba(239,68,68,.3); }
.badge-info     { background: rgba(59,130,246,.15);  color: #60A5FA;  border-color: rgba(59,130,246,.3); }
.badge-cyan     { background: rgba(0,212,255,.12);   color: #22D3EE;  border-color: rgba(0,212,255,.25); }

/* Loading Spinner */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
}

.loading-spinner-lg { width: 48px; height: 48px; border-width: 4px; }

@keyframes spin { to { transform: rotate(360deg); } }

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: .625rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  padding: .875rem 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 380px;
  pointer-events: all;
  animation: toast-in .3s ease;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
}

.toast-success::before { background: var(--color-success); }
.toast-error::before   { background: var(--color-error);   }
.toast-warning::before { background: var(--color-warning); }
.toast-info::before    { background: var(--color-info);    }

.toast-icon    { font-size: 1.1rem; flex-shrink: 0; }
.toast-body    { flex: 1; }
.toast-title   { font-size: var(--text-sm); font-weight: 700; color: var(--text-primary); }
.toast-message { font-size: var(--text-xs); color: var(--text-muted); margin-top: .125rem; }

.toast-close {
  font-size: .75rem;
  color: var(--text-faint);
  cursor: pointer;
  padding: .125rem;
  flex-shrink: 0;
  transition: color var(--transition-fast);
  background: none;
  border: none;
}
.toast-close:hover { color: var(--text-primary); }
.toast-out { animation: toast-out .3s ease forwards; }

@keyframes toast-in  { from { opacity:0; transform: translateX(24px); } to { opacity:1; transform: translateX(0); } }
@keyframes toast-out { from { opacity:1; transform: translateX(0); }    to { opacity:0; transform: translateX(24px); } }

/* Alert Variants */
.alert {
  padding: .875rem 1.125rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  border: 1px solid;
}

.alert-success { background: rgba(16,185,129,.1);  color: #6EE7B7; border-color: rgba(16,185,129,.25); }
.alert-error   { background: rgba(239,68,68,.1);   color: #FCA5A5; border-color: rgba(239,68,68,.25); }
.alert-warning { background: rgba(245,158,11,.1);  color: #FDE68A; border-color: rgba(245,158,11,.25); }
.alert-info    { background: rgba(59,130,246,.1);  color: #93C5FD; border-color: rgba(59,130,246,.25); }

/* Divider */
.divider { border: none; border-top: 1px solid var(--border-color); margin-block: 1.5rem; }

/* Section padding */
.section { padding-block: 4rem; }

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-alt) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-shine 1.5s ease infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shine {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Search */
.search-results-info { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: 1.5rem; }
.search-highlight { background: rgba(108,99,255,.2); color: var(--color-primary-light); border-radius: 2px; padding: 0 .15em; }

/* Empty State */
.empty-state { text-align: center; padding: 4rem 2rem; }
.empty-state-icon  { font-size: 3rem; margin-bottom: 1rem; opacity: .5; }
.empty-state-title { font-size: var(--text-xl); font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.empty-state-desc  { font-size: var(--text-sm); color: var(--text-muted); }

/* Code Block */
.code-block {
  position: relative;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .625rem 1rem;
  background: var(--bg-card-alt);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.code-block pre { padding: 1.25rem; margin: 0; overflow-x: auto; }

.code-block code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text-primary);
}

/* JSON Syntax highlight */
.json-string  { color: #A3E635; }
.json-number  { color: #60A5FA; }
.json-boolean { color: #F472B6; }
.json-null    { color: #94A3B8; }
.json-key     { color: #C084FC; }

/* Regex highlight */
.regex-match  { background: rgba(108,99,255,.25); border-radius: 2px; }

/* BMI gauge */
.bmi-gauge {
  height: 12px;
  background: linear-gradient(90deg, #60A5FA 0%, #34D399 25%, #FBBF24 60%, #F87171 85%, #EF4444 100%);
  border-radius: var(--radius-full);
  position: relative;
  margin: 1rem 0;
}

.bmi-needle {
  position: absolute;
  top: -4px;
  width: 4px;
  height: 20px;
  background: var(--text-primary);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: left .6s ease;
}

/* EMI Pie chart area */
.pie-chart-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.pie-canvas { border-radius: 50%; }

.pie-legend { display: flex; flex-direction: column; gap: .5rem; }

.pie-legend-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--text-sm);
}

.pie-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Amortization table */
.amort-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-xs);
  margin-top: 1rem;
}

.amort-table th,
.amort-table td {
  padding: .5rem .625rem;
  border: 1px solid var(--border-color);
  text-align: right;
}

.amort-table th { background: var(--bg-card-alt); color: var(--text-primary); font-weight: 600; }
.amort-table tr:nth-child(even) td { background: rgba(108,99,255,.03); }

/* Meta tag preview */
.meta-preview {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: monospace;
  font-size: var(--text-xs);
  line-height: 1.8;
  color: var(--text-secondary);
  white-space: pre;
  overflow-x: auto;
}

/* Sitemap output */
.sitemap-output {
  font-family: monospace;
  font-size: var(--text-xs);
  line-height: 1.7;
  white-space: pre;
  overflow-x: auto;
}

/* ============================================================
   Responsive Breakpoints
   ============================================================ */

/* 1200px */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-grid > :first-child { grid-column: span 3; }
}

/* 992px */
@media (max-width: 992px) {
  .tool-page-wrapper { grid-template-columns: 1fr; }
  .tool-sidebar { position: static; }
  .blog-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid > :first-child { grid-column: span 2; }
}

/* 768px */
@media (max-width: 768px) {
  :root { font-size: 15px; }

  .nav-toggle { display: flex; }
  .nav-search { display: none; }

  .site-header { position: sticky; }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 1rem;
    gap: .25rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition);
    z-index: var(--z-overlay);
  }

  .nav-menu.open { max-height: 480px; padding: .75rem 1rem; }

  .hero { padding: 3rem 0 2.5rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat-divider { display: none; }

  .section { padding-block: 2.5rem; }
  .section-header { margin-bottom: 2rem; }

  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .articles-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-grid > :first-child { grid-column: span 2; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .ad-slot-sidebar .ad-slot-inner { width: 100%; }
}

/* 576px */
@media (max-width: 576px) {
  .container { padding-inline: .875rem; }

  .hero-search {
    flex-wrap: wrap;
    border-radius: var(--radius-lg);
    padding: .625rem;
  }
  .hero-search-btn { width: 100%; justify-content: center; border-radius: var(--radius-md); }

  .tools-grid     { grid-template-columns: 1fr; }
  .category-grid  { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr; }
  .footer-grid > :first-child { grid-column: span 1; }
  .tool-result-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { flex-direction: column; gap: 1rem; }

  .pie-chart-wrapper { flex-direction: column; }
  .toast { min-width: 240px; max-width: calc(100vw - 2rem); }
}

/* ============================================================
   Overlays & Modal Styles (Search, Mobile Menu, Backdrop)
   ============================================================ */

body.no-scroll {
  overflow: hidden !important;
}

/* Backdrop */
.overlay-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 8, 16, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 998;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.overlay-backdrop.active {
  display: block;
  opacity: 1;
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 14, 26, 0.96);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 1001;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  overflow-y: auto;
  padding: 3rem 1rem;
}
.search-overlay.active {
  display: block;
  opacity: 1;
}
.search-overlay-inner {
  max-width: 720px;
  margin: 2rem auto;
  position: relative;
}
.search-overlay-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.search-overlay-label {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-muted);
}
.search-input-wrapper {
  position: relative;
  margin-bottom: 2rem;
}
.search-input-icon {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--text-muted);
}
.search-overlay-input {
  width: 100%;
  padding: 1.25rem 4rem 1.25rem 3.5rem;
  font-size: var(--text-xl);
  background: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}
.search-overlay-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.search-shortcut-hint {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--border-color);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100vh;
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-color);
  z-index: 1002;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-lg);
}
.mobile-menu-overlay.active {
  right: 0;
}
.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.5rem;
}
.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
  flex: 1;
}
.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--bg-card);
  color: var(--color-primary-light);
}
.mobile-nav-section-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 1.5rem 0 0.5rem 1rem;
  font-weight: 700;
}
.mobile-nav-link-sub {
  padding-left: 2rem;
  font-size: var(--text-sm);
}

/* Autocomplete Dropdown */
.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  margin-top: 0.5rem;
  max-height: 250px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
  display: none;
}
.autocomplete-dropdown.active {
  display: block;
}
.autocomplete-item {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  text-align: left;
  transition: background var(--transition-fast);
}
.autocomplete-item:hover {
  background: var(--bg-card);
  color: var(--color-primary-light);
}

/* ============================================================
   PAGE HERO (tools, blog, about pages)
   ============================================================ */

.breadcrumb-nav {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .375rem;
  padding: .75rem 0;
  font-size: var(--text-sm);
  margin: 0;
  list-style: none;
}

.breadcrumb-item { color: var(--text-muted); }
.breadcrumb-item a { color: var(--text-muted); text-decoration: none; transition: color var(--transition-fast); }
.breadcrumb-item a:hover { color: var(--color-primary); }
.breadcrumb-item.active { color: var(--text-primary); font-weight: 500; }
.breadcrumb-item + .breadcrumb-item::before { content: '/'; margin-right: .375rem; color: var(--text-faint); }

.page-hero {
  padding: 3rem 0 2.5rem;
  background: var(--bg-base);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 10% 50%, rgba(108,99,255,.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 90% 30%, rgba(0,212,255,.08) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero .container { position: relative; z-index: 1; }

.page-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: .75rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary-light) 60%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 0;
  line-height: 1.6;
}

/* ============================================================
   LAYOUT: SIDEBAR + MAIN
   ============================================================ */

.layout-sidebar {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2rem;
  align-items: start;
  padding: 2rem 0 4rem;
}

.main-content { min-width: 0; }

/* ============================================================
   SIDEBAR WIDGETS
   ============================================================ */

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.sidebar-widget-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card-alt);
  margin: 0;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.sidebar-category-list { list-style: none; margin: 0; padding: .5rem; }
.sidebar-category-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .5rem .75rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.sidebar-category-list li a:hover, .sidebar-category-list li.active a {
  background: rgba(108,99,255,.1);
  color: var(--color-primary-light);
}

.sidebar-count {
  font-size: var(--text-xs);
  background: var(--bg-card-alt);
  color: var(--text-muted);
  padding: .125rem .5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.sidebar-tool-list { list-style: none; padding: .5rem; margin: 0; }
.sidebar-tool-list li a {
  display: block;
  padding: .5rem .75rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.sidebar-tool-list li a:hover { background: rgba(108,99,255,.1); color: var(--color-primary-light); }

.sidebar-ad { border: none; background: transparent; }

.sidebar-promo-box {
  padding: 1.25rem;
  background: linear-gradient(135deg, rgba(108,99,255,.1), rgba(0,212,255,.06));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(108,99,255,.2);
}
.sidebar-promo-box h3 { font-size: var(--text-base); font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.sidebar-promo-box p { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: 1rem; line-height: 1.5; }

.sidebar-post-list { list-style: none; padding: .75rem; margin: 0; display: flex; flex-direction: column; gap: .75rem; }
.sidebar-post-item { display: flex; align-items: flex-start; gap: .75rem; }
.sidebar-post-thumb-link { flex-shrink: 0; }
.sidebar-post-thumb { width: 56px; height: 56px; object-fit: cover; border-radius: var(--radius-md); display: block; }
.sidebar-post-info { flex: 1; min-width: 0; }
.sidebar-post-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  line-height: 1.4;
  transition: color var(--transition-fast);
}
.sidebar-post-title:hover { color: var(--color-primary); }
.sidebar-post-date { display: block; font-size: var(--text-xs); color: var(--text-faint); margin-top: .25rem; }

.tags-cloud { display: flex; flex-wrap: wrap; gap: .5rem; padding: .75rem 1rem; }
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .25rem .625rem;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.tag-badge:hover { background: rgba(108,99,255,.12); border-color: rgba(108,99,255,.3); color: var(--color-primary-light); }

/* ============================================================
   TOOLS PAGE — FILTER BAR & PILLS
   ============================================================ */

.tools-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.tools-search-form { flex: 1; }

.filter-search-group { display: flex; align-items: center; gap: .5rem; }

.filter-search-input {
  flex: 1;
  background: var(--bg-input) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-primary) !important;
  font-size: var(--text-sm) !important;
  padding: .625rem .875rem !important;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  min-width: 200px;
}
.filter-search-input:focus { border-color: var(--color-primary) !important; box-shadow: 0 0 0 3px rgba(108,99,255,.12) !important; }
.filter-search-input::placeholder { color: var(--text-faint); }

.tools-count-label { font-size: var(--text-sm); color: var(--text-muted); margin: 0; white-space: nowrap; }

.category-pills { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .375rem .875rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.category-pill:hover { background: rgba(108,99,255,.1); border-color: rgba(108,99,255,.3); color: var(--color-primary-light); }
.category-pill.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.pill-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 .35rem;
  background: rgba(255,255,255,.2);
  border-radius: var(--radius-full);
  font-size: .7rem;
  font-weight: 700;
}

/* tool-card-link: the <a> inside article.tool-card */
.tool-card-link {
  display: flex;
  flex-direction: column;
  gap: .875rem;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

article.tool-card { padding: 0; cursor: default; }
article.tool-card .tool-card-link { padding: 1.5rem; height: 100%; border-radius: var(--radius-lg); }

.tools-grid-full { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* ============================================================
   BLOG PAGE
   ============================================================ */

.blog-search-form { margin-top: 1.5rem; }

.search-wrapper { display: flex; align-items: center; gap: .5rem; }
.search-wrapper-sm { max-width: 520px; }

.search-input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  padding: .625rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(108,99,255,.12); }
.search-input::placeholder { color: var(--text-faint); }

.blog-category-tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }

.blog-tab {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .375rem .875rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.blog-tab:hover { background: rgba(108,99,255,.1); border-color: rgba(108,99,255,.3); color: var(--color-primary-light); }
.blog-tab.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.results-summary { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: 1rem; }

.articles-grid-full { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

.article-card-lg {
  display: flex;
  flex-direction: row;
  gap: 1.25rem;
  align-items: flex-start;
}

.article-card-lg .article-thumb-link { flex-shrink: 0; width: 200px; }

.article-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}

.article-card-lg .article-card-body { flex: 1; min-width: 0; }

.article-card-top { display: flex; align-items: center; gap: .625rem; margin-bottom: .625rem; }

.article-category-badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .6rem;
  background: rgba(108,99,255,.12);
  color: var(--color-primary-light);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.article-category-badge:hover { background: rgba(108,99,255,.22); }

.article-read-time { font-size: var(--text-xs); color: var(--text-faint); }

.article-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: .5rem;
}
.article-title a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
.article-title a:hover { color: var(--color-primary); }

.article-excerpt {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: .75rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem;
  font-size: var(--text-xs);
  color: var(--text-faint);
  margin-bottom: .875rem;
}

.btn-read-more {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .4rem .875rem;
  background: transparent;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.btn-read-more:hover { background: var(--color-primary); color: #fff; }

/* Bootstrap pagination override */
.pagination-nav { margin-top: 2rem; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: .375rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-item .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 .875rem;
  border-radius: var(--radius-full) !important;
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-secondary) !important;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.page-item .page-link:hover,
.page-item.active .page-link {
  background: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
  color: #fff !important;
}

.page-item.disabled .page-link { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-subtle);
}
.about-section:last-of-type { border-bottom: none; }

.about-section-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -.02em;
}

.about-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text p { font-size: var(--text-base); color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.about-text p:last-child { margin-bottom: 0; }

.about-image-block { display: flex; align-items: center; justify-content: center; }

.about-mission-visual {
  background: linear-gradient(135deg, rgba(108,99,255,.12), rgba(0,212,255,.08));
  border: 1px solid rgba(108,99,255,.2);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  width: 100%;
}

.mission-icon-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; text-align: center; }
.mission-icon-grid span { font-size: 2.5rem; display: block; filter: drop-shadow(0 0 12px rgba(108,99,255,.3)); transition: transform var(--transition); }
.mission-icon-grid span:hover { transform: scale(1.15); }

.about-stats-section { padding: 2.5rem 0; }

.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.about-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}
.about-stat-num {
  font-size: var(--text-4xl);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: .5rem;
}
.about-stat-label { font-size: var(--text-sm); color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .06em; }

.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 1.75rem; }

.offer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.offer-card:hover { transform: translateY(-3px); border-color: rgba(108,99,255,.4); box-shadow: var(--shadow-glow), var(--shadow-md); }
.offer-icon { font-size: 2rem; margin-bottom: .875rem; display: block; }
.offer-card h3 { font-size: var(--text-base); font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.offer-card p { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.6; margin: 0; }

.privacy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 1.25rem; }

.privacy-item {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}
.privacy-check { font-size: 1.5rem; flex-shrink: 0; line-height: 1; }
.privacy-item strong { display: block; font-size: var(--text-sm); font-weight: 700; color: var(--text-primary); margin-bottom: .375rem; }
.privacy-item p { font-size: var(--text-sm); color: var(--text-muted); margin: 0; line-height: 1.6; }
.privacy-item a { color: var(--color-primary); }

.about-cta-box {
  background: linear-gradient(135deg, rgba(108,99,255,.12), rgba(0,212,255,.07));
  border: 1px solid rgba(108,99,255,.25);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  text-align: center;
}
.about-cta-box h2 { font-size: var(--text-2xl); font-weight: 800; color: var(--text-primary); margin-bottom: .75rem; }
.about-cta-box p { font-size: var(--text-base); color: var(--text-muted); max-width: 480px; margin: 0 auto 1.5rem; line-height: 1.7; }
.about-cta-buttons { display: flex; align-items: center; justify-content: center; gap: .875rem; flex-wrap: wrap; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-page { padding: 3rem 0 5rem; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
  padding-top: 2rem;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.contact-form-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-form-sub { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: 1.75rem; line-height: 1.6; }

.contact-form-card .form-control,
.contact-form-card .form-select {
  background: var(--bg-input) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
  border-radius: var(--radius-md) !important;
  font-size: var(--text-sm) !important;
  padding: .65rem .875rem !important;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-form-card .form-control:focus,
.contact-form-card .form-select:focus {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(108,99,255,.12) !important;
  outline: none;
}

.contact-form-card .form-control::placeholder { color: var(--text-faint); }

.contact-form-card .form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .375rem;
}

.contact-sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
}

.contact-sidebar-card h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  padding-bottom: .875rem;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-detail { display: flex; flex-direction: column; gap: 1rem; }
.contact-detail-label { display: block; font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin-bottom: .25rem; }
.contact-detail-value { font-size: var(--text-sm); color: var(--text-secondary); }
.contact-detail-value a { color: var(--color-primary); text-decoration: none; }
.contact-detail-value a:hover { text-decoration: underline; }

/* Alert overrides */
.alert { padding: .875rem 1.125rem; border-radius: var(--radius-md); font-size: var(--text-sm); border: 1px solid; margin-bottom: 1.25rem; }
.alert-success { background: rgba(16,185,129,.1); color: #6EE7B7; border-color: rgba(16,185,129,.25); }
.alert-danger, .alert-error { background: rgba(239,68,68,.1); color: #FCA5A5; border-color: rgba(239,68,68,.25); }
.alert ul { padding-left: 1rem; margin: 0; }
.alert li { margin-top: .25rem; }

/* ============================================================
   FEATURE / CATEGORY CARDS (Homepage)
   ============================================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(108,99,255,.04), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover { transform: translateY(-3px); border-color: rgba(108,99,255,.35); box-shadow: var(--shadow-glow), var(--shadow-md); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { font-size: 2rem; margin-bottom: .875rem; display: block; }
.feature-title { font-size: var(--text-base); font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.feature-desc { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.65; margin: 0; }

/* Category card aliases */
.category-icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.category-name { font-size: var(--text-base); font-weight: 700; color: var(--text-primary); margin-bottom: .375rem; }
.category-desc { font-size: var(--text-sm); color: var(--text-muted); line-height: 1.5; margin-bottom: .5rem; }
.category-count { display: inline-block; font-size: var(--text-xs); color: var(--text-faint); margin-top: .25rem; }

/* ============================================================
   EXTRA RESPONSIVE RULES
   ============================================================ */

@media (max-width: 1024px) {
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 992px) {
  .layout-sidebar { grid-template-columns: 1fr; }
  .article-card-lg { flex-direction: column; }
  .article-card-lg .article-thumb-link { width: 100%; }
  .about-content-grid { grid-template-columns: 1fr; }
  .about-image-block { display: none; }
}

@media (max-width: 768px) {
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-grid { grid-template-columns: 1fr; }
  .privacy-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .page-title { font-size: clamp(1.5rem, 5vw, 2rem); }
  .contact-form-card { padding: 1.5rem; }
}

@media (max-width: 576px) {
  .layout-sidebar { padding: 1.5rem 0 3rem; }
  .tools-filter-bar { flex-direction: column; align-items: stretch; }
  .filter-search-group { flex-wrap: wrap; }
  .filter-search-input { min-width: 0; width: 100%; }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-cta-buttons { flex-direction: column; align-items: stretch; }
  .about-cta-buttons .btn { text-align: center; }
}