/* ============================================================
   SEO Ping Tools - Main Stylesheet
   ============================================================ */

:root {
  --primary:       #2563eb;
  --primary-dark:  #1d4ed8;
  --primary-light: #dbeafe;
  --secondary:     #7c3aed;
  --success:       #16a34a;
  --danger:        #dc2626;
  --warning:       #d97706;
  --info:          #0284c7;
  --dark:          #0f172a;
  --gray-900:      #111827;
  --gray-800:      #1f2937;
  --gray-700:      #374151;
  --gray-600:      #4b5563;
  --gray-500:      #6b7280;
  --gray-400:      #9ca3af;
  --gray-300:      #d1d5db;
  --gray-200:      #e5e7eb;
  --gray-100:      #f3f4f6;
  --gray-50:       #f9fafb;
  --white:         #ffffff;
  --border:        #e5e7eb;
  --radius:        0.75rem;
  --radius-sm:     0.375rem;
  --radius-lg:     1rem;
  --shadow:        0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:     0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:     0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --shadow-xl:     0 20px 25px rgba(0,0,0,.1), 0 10px 10px rgba(0,0,0,.04);
  --font:          'Inter', system-ui, -apple-system, sans-serif;
  --transition:    .2s ease;
}

/* ---- Reset & Base ---- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--gray-800); background: var(--white); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
ul,ol { list-style: none; }

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .625rem 1.25rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: .9375rem; cursor: pointer;
  border: 2px solid transparent; transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--white); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-ghost { background: transparent; color: var(--gray-600); border-color: transparent; }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-800); }
.btn-danger { background: var(--danger); color: var(--white); border-color: var(--danger); }
.btn-danger:hover { opacity: .9; color: var(--white); }
.btn-sm { padding: .375rem .75rem; font-size: .8125rem; }
.btn-lg { padding: .875rem 2rem; font-size: 1.0625rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-tool { padding: .625rem 1.5rem; }

/* ---- Alerts ---- */
.alert { padding: .875rem 1.25rem; border-radius: var(--radius-sm); margin-bottom: 1rem; font-weight: 500; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-danger  { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef9c3; color: #854d0e; border: 1px solid #fde047; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-dismissible { position: relative; padding-right: 3rem; }
.alert-close { position:absolute; right:.75rem; top:50%; transform:translateY(-50%); background:none; border:none; font-size:1.25rem; cursor:pointer; opacity:.7; }

/* ---- Badges ---- */
.badge { display: inline-block; padding: .2em .6em; border-radius: 999px; font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef9c3; color: #854d0e; }
.badge-info    { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: var(--gray-200); color: var(--gray-700); }
.badge-blue    { background: #dbeafe; color: #1e40af; }
.badge-green   { background: #dcfce7; color: #166534; }
.badge-purple  { background: #ede9fe; color: #5b21b6; }
.badge-orange  { background: #ffedd5; color: #c2410c; }
.badge-red     { background: #fee2e2; color: #991b1b; }

/* ---- Forms ---- */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: .375rem; color: var(--gray-700); font-size: .9375rem; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: .6875rem 1rem; border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm); font-family: var(--font); font-size: 1rem;
  color: var(--gray-900); transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
}
.form-input:focus, .form-textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-hint { font-size: .8125rem; color: var(--gray-500); margin-top: .25rem; display: block; }
.input-icon-wrap { position: relative; }
.input-icon-wrap > i { position: absolute; left: .875rem; top: 50%; transform: translateY(-50%); color: var(--gray-400); pointer-events: none; }
.input-icon-wrap > .form-input { padding-left: 2.5rem; }
.input-group { display: flex; gap: .75rem; }
.input-group .form-input { flex: 1; }

/* ====================================================================
   TOP BAR (above navbar)
   ==================================================================== */
.top-bar { background: #0f172a; border-bottom: 1px solid rgba(255,255,255,.06); }
.top-bar .container { display: flex; align-items: center; justify-content: space-between; height: 2.25rem; max-width: 1440px; gap: 1rem; }
.top-bar-tagline { font-size: .72rem; color: #94a3b8; display: flex; align-items: center; gap: .4rem; white-space: nowrap; }
.top-bar-tagline i { color: #f59e0b; }
.top-bar-tagline strong { color: #e2e8f0; }
.top-bar-actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }
.top-bar-actions a { font-size: .72rem; padding: .28rem .75rem; border-radius: 4px; font-weight: 500; text-decoration: none; transition: .15s; line-height: 1; }
.tb-login { color: #94a3b8; border: 1px solid rgba(255,255,255,.14); }
.tb-login:hover { color: #fff !important; border-color: rgba(255,255,255,.3) !important; }
.tb-register { background: var(--primary); color: #fff !important; border: 1px solid transparent; }
.tb-register:hover { background: #4f46e5 !important; }
.tb-user { color: #94a3b8; display: flex; align-items: center; gap: .4rem; font-size: .72rem; }
.tb-user i { color: #818cf8; }
.tb-admin { color: #a5b4fc !important; border: 1px solid rgba(165,180,252,.25); }
.tb-admin:hover { background: rgba(99,102,241,.2) !important; color: #c7d2fe !important; }
.tb-logout { color: #94a3b8 !important; }
.tb-logout:hover { color: #f87171 !important; }

/* ====================================================================
   HEADER / NAVBAR
   ==================================================================== */
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--white); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.navbar { padding: 0; position: relative; border-top: 1px solid var(--border); }
.navbar .container { display: flex; align-items: center; height: 3.75rem; gap: 0; max-width: 1440px; }
.navbar-brand { display: flex; align-items: center; gap: .5rem; font-size: 1.2rem; font-weight: 800; color: var(--dark); text-decoration: none; flex-shrink: 0; margin-right: 1.5rem; }
.navbar-brand:hover { text-decoration: none; color: var(--primary); }
.brand-icon { display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; background: var(--primary); color: white; border-radius: var(--radius-sm); font-size: .9rem; flex-shrink: 0; }
.brand-text { color: var(--dark); white-space: nowrap; }

.navbar-menu { display: flex; align-items: center; flex: 1; min-width: 0; overflow: hidden; }
.nav-links { display: flex; align-items: center; gap: 0; flex: 1; min-width: 0; overflow-x: auto; overflow-y: hidden; flex-wrap: nowrap; scrollbar-width: none; -ms-overflow-style: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links li { position: relative; flex-shrink: 0; }
.nav-links a { display: block; padding: .4rem .55rem; font-size: .8rem; font-weight: 500; color: var(--gray-700); border-radius: var(--radius-sm); transition: var(--transition); white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: var(--primary-light); text-decoration: none; }
.nav-actions { display: none; } /* moved to top-bar */
.nav-user { display: none; }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown-menu { position: absolute; top: 100%; left: 0; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 200px; padding: .5rem; opacity: 0; visibility: hidden; transform: translateY(8px); transition: var(--transition); z-index: 999; }
.has-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li a { display: block; padding: .5rem .875rem; font-size: .9375rem; color: var(--gray-700); border-radius: var(--radius-sm); }
.dropdown-menu li a:hover { background: var(--gray-50); color: var(--primary); text-decoration: none; }
.dropdown-toggle i { font-size: .7rem; transition: transform .2s; }
.has-dropdown:hover .dropdown-toggle i { transform: rotate(180deg); }

.navbar-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: .5rem; }
.navbar-toggle span { display: block; width: 24px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: var(--transition); }
.ad-header { text-align: center; padding: .5rem 0; background: var(--gray-50); border-top: 1px solid var(--border); }

/* ====================================================================
   BREADCRUMB
   ==================================================================== */
.breadcrumb-bar { background: var(--gray-50); border-bottom: 1px solid var(--border); padding: .5rem 0; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: .25rem; font-size: .8125rem; color: var(--gray-500); }
.breadcrumb li a { color: var(--gray-500); }
.breadcrumb li a:hover { color: var(--primary); }
.breadcrumb .separator { color: var(--gray-400); font-size: .625rem; }

/* ====================================================================
   HERO
   ==================================================================== */
.hero { position: relative; padding: 5rem 0 4rem; overflow: hidden; background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #312e81 100%); color: var(--white); }
.hero-bg { position: absolute; inset: 0; background-image: radial-gradient(circle at 20% 50%, rgba(37,99,235,.3) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(124,58,237,.2) 0%, transparent 40%); }
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 820px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: .5rem; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.9); padding: .375rem 1rem; border-radius: 999px; font-size: .875rem; font-weight: 600; margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; margin-bottom: 1.5rem; letter-spacing: -.025em; }
.gradient-text { background: linear-gradient(135deg, #60a5fa, #a78bfa, #f472b6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.125rem; color: rgba(255,255,255,.8); max-width: 600px; margin: 0 auto 2rem; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats { display: flex; justify-content: center; gap: 3rem; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,.15); padding-top: 2rem; }
.stat-item { text-align: center; }
.stat-number { display: block; font-size: 1.75rem; font-weight: 800; color: var(--white); }
.stat-label { font-size: .8125rem; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .05em; }

/* Quick Ping */
.quick-ping { background: var(--gray-50); border-bottom: 1px solid var(--border); padding: 2.5rem 0; }
.quick-ping-card { background: var(--white); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-lg); max-width: 700px; margin: 0 auto; text-align: center; }
.quick-ping-card h2 { font-size: 1.375rem; font-weight: 700; margin-bottom: .5rem; display: flex; align-items: center; justify-content: center; gap: .5rem; }
.quick-ping-card p { color: var(--gray-600); margin-bottom: 1.25rem; }
.quick-ping-form .input-group { margin: 0; }

/* ====================================================================
   TOOLS SECTION
   ==================================================================== */
.tools-section, .how-it-works, .features-section, .popular-pages, .faq-section { padding: 4.5rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: clamp(1.625rem, 3vw, 2.25rem); font-weight: 800; color: var(--dark); margin-bottom: .75rem; }
.section-header p { font-size: 1.0625rem; color: var(--gray-600); max-width: 550px; margin: 0 auto; }

.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }
.tool-card { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 1.75rem; position: relative; transition: transform .2s, box-shadow .2s, border-color .2s; overflow: hidden; }
.tool-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--tool-color, var(--primary)); }
.tool-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); border-color: var(--tool-color, var(--primary)); }
.tool-card-icon { width: 3.25rem; height: 3.25rem; background: color-mix(in srgb, var(--tool-color, var(--primary)) 12%, white); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; color: var(--tool-color, var(--primary)); font-size: 1.375rem; }
.tool-card-icon svg { width: 1.5rem; height: 1.5rem; stroke: currentColor; stroke-width: 2; fill: none; }
.tool-card-badge { position: absolute; top: 1.25rem; right: 1.25rem; font-size: .6875rem; font-weight: 700; padding: .2em .65em; border-radius: 999px; text-transform: uppercase; background: var(--tool-color, var(--primary)); color: white; }
.tool-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: .625rem; }
.tool-card h3 a { color: var(--dark); }
.tool-card h3 a:hover { color: var(--primary); text-decoration: none; }
.tool-card p { color: var(--gray-600); font-size: .9375rem; margin-bottom: 1.25rem; line-height: 1.6; }
.tool-card-btn { font-size: .9rem; font-weight: 600; color: var(--tool-color, var(--primary)); display: flex; align-items: center; gap: .375rem; }
.tool-card-btn:hover { text-decoration: none; gap: .625rem; }
.tool-card-btn i { transition: transform .2s; }
.tool-card-btn:hover i { transform: translateX(4px); }

/* ====================================================================
   HOW IT WORKS
   ==================================================================== */
.how-it-works { background: var(--gray-50); }
.steps-grid { display: flex; align-items: center; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.step-item { flex: 1; min-width: 200px; max-width: 250px; text-align: center; background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 2rem 1.5rem; }
.step-number { width: 2.25rem; height: 2.25rem; background: var(--primary); color: var(--white); border-radius: 50%; font-weight: 800; font-size: .9rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
.step-icon { font-size: 2rem; color: var(--primary); margin-bottom: 1rem; }
.step-item h3 { font-size: 1rem; font-weight: 700; margin-bottom: .5rem; }
.step-item p { font-size: .875rem; color: var(--gray-600); line-height: 1.6; }
.step-arrow { font-size: 1.5rem; color: var(--gray-400); }

/* ====================================================================
   FEATURES
   ==================================================================== */
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.features-content h2 { font-size: 2rem; font-weight: 800; color: var(--dark); margin-bottom: 1rem; }
.features-intro { color: var(--gray-600); font-size: 1.0625rem; margin-bottom: 1.5rem; }
.features-list { margin-bottom: 2rem; }
.features-list li { display: flex; align-items: flex-start; gap: .75rem; margin-bottom: .875rem; font-size: .9375rem; }
.features-list i { color: var(--success); font-size: 1.125rem; flex-shrink: 0; margin-top: .125rem; }
/* Ping animation */
.ping-animation { position: relative; width: 300px; height: 300px; margin: 0 auto; }
.ping-center { width: 80px; height: 80px; background: var(--primary); border-radius: 50%; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); display: flex; align-items: center; justify-content: center; color: white; font-size: 2rem; z-index: 3; box-shadow: 0 8px 24px rgba(37,99,235,.4); }
.ping-rings { position: absolute; inset: 0; }
.ring { position: absolute; top: 50%; left: 50%; border-radius: 50%; border: 2px solid rgba(37,99,235,.2); transform: translate(-50%,-50%); animation: ring-expand 3s ease-out infinite; }
.ring-1 { width: 130px; height: 130px; animation-delay: 0s; }
.ring-2 { width: 200px; height: 200px; animation-delay: 1s; }
.ring-3 { width: 280px; height: 280px; animation-delay: 2s; }
@keyframes ring-expand { 0%{opacity:.8;transform:translate(-50%,-50%) scale(.5)} 100%{opacity:0;transform:translate(-50%,-50%) scale(1)} }
.ping-services-orbit { position: absolute; inset: 0; }
.orbit-item { position: absolute; top: 50%; left: 50%; width: 3rem; height: 3rem; background: var(--white); border: 2px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .875rem; box-shadow: var(--shadow-md); animation: orbit 12s linear infinite; transform-origin: 0 0; color: var(--primary); }
@keyframes orbit { from{transform:rotate(var(--angle)) translateX(130px) rotate(calc(-1 * var(--angle)))} to{transform:rotate(calc(var(--angle) + 360deg)) translateX(130px) rotate(calc(-1 * var(--angle) - 360deg))} }

/* ====================================================================
   POPULAR PAGES
   ==================================================================== */
.popular-pages { background: var(--gray-50); }
.popular-links-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .75rem; }
.popular-link { display: flex; align-items: center; gap: .625rem; padding: .75rem 1rem; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .9375rem; font-weight: 500; color: var(--gray-700); transition: var(--transition); }
.popular-link:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); text-decoration: none; }
.popular-link i { color: var(--primary); font-size: .875rem; }

/* ====================================================================
   FAQ
   ==================================================================== */
.faq-grid { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1.5px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; margin-bottom: .75rem; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; background: none; border: none; cursor: pointer; font-family: var(--font); font-size: 1rem; font-weight: 600; color: var(--dark); text-align: left; }
.faq-question:hover { background: var(--gray-50); }
.faq-question i { transition: transform .2s; color: var(--primary); flex-shrink: 0; }
.faq-question[aria-expanded="true"] { background: var(--primary-light); color: var(--primary); }
.faq-question[aria-expanded="true"] i { transform: rotate(45deg); }
.faq-answer { padding: 0 1.25rem; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .2s; }
.faq-answer.open { padding: 1rem 1.25rem 1.25rem; max-height: 500px; }
.faq-answer p { color: var(--gray-700); line-height: 1.7; }

/* ====================================================================
   TOOL PAGES
   ==================================================================== */
.tool-hero { padding: 3.5rem 0 2.5rem; text-align: center; color: var(--white); }
.tool-hero.tool-blue   { background: linear-gradient(135deg, #1e40af, #2563eb); }
.tool-hero.tool-green  { background: linear-gradient(135deg, #065f46, #059669); }
.tool-hero.tool-purple { background: linear-gradient(135deg, #4c1d95, #7c3aed); }
.tool-hero.tool-orange { background: linear-gradient(135deg, #92400e, #d97706); }
.tool-hero.tool-red    { background: linear-gradient(135deg, #7f1d1d, #dc2626); }
.tool-hero.tool-indigo { background: linear-gradient(135deg, #312e81, #4338ca); }
.tool-hero-content { max-width: 700px; margin: 0 auto; }
.tool-hero-icon { font-size: 3rem; opacity: .9; margin-bottom: 1rem; }
.tool-hero h1 { font-size: clamp(1.875rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: .75rem; }
.tool-hero p { font-size: 1.0625rem; opacity: .9; max-width: 580px; margin: 0 auto; }

.tool-section { padding: 3rem 0 4rem; }
.tool-layout { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.tool-layout:has(.sidebar-left):has(.sidebar-right) { grid-template-columns: 200px 1fr 200px; }
.tool-layout:has(.sidebar-left):not(:has(.sidebar-right)) { grid-template-columns: 200px 1fr; }
.tool-layout:has(.sidebar-right):not(:has(.sidebar-left)) { grid-template-columns: 1fr 200px; }

.sidebar { min-width: 160px; }
.sidebar-left { order: -1; }

.tool-card-main { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-md); margin-bottom: 1.5rem; }
.tool-form-group { }
.tool-label { display: block; font-size: 1rem; font-weight: 700; margin-bottom: .875rem; color: var(--dark); }
.tool-input-group { display: flex; align-items: center; gap: .75rem; }
.tool-input-icon { flex-shrink: 0; width: 2.75rem; height: 2.75rem; background: var(--gray-100); border: 1.5px solid var(--border); border-radius: var(--radius-sm) 0 0 var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--gray-500); }
.tool-input { flex: 1; padding: .75rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem; transition: var(--transition); font-family: var(--font); }
.tool-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.tool-textarea { width: 100%; padding: .875rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: monospace, var(--font); font-size: .9375rem; resize: vertical; transition: var(--transition); }
.tool-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.tool-limits-info { background: var(--primary-light); color: var(--primary-dark); border: 1px solid rgba(37,99,235,.2); border-radius: var(--radius-sm); padding: .75rem 1rem; margin-bottom: 1.25rem; font-size: .9rem; display: flex; gap: .5rem; align-items: flex-start; }

/* Results */
.results-card { background: var(--white); border-radius: var(--radius-lg); padding: 2rem; border: 1.5px solid; margin-bottom: 1.5rem; }
.results-success { border-color: #bbf7d0; background: #f0fdf4; }
.results-error   { border-color: #fecaca; background: #fef2f2; }
.results-warning { border-color: #fde047; background: #fefce8; }
.result-status { display: flex; align-items: flex-start; gap: 1.25rem; }
.result-icon { font-size: 2.5rem; flex-shrink: 0; }
.result-icon-success { color: var(--success); }
.result-icon-error   { color: var(--danger); }
.result-icon-warning { color: var(--warning); }
.result-info h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: .5rem; }
.result-url { font-size: .9rem; color: var(--gray-600); margin-bottom: .25rem; word-break: break-all; }
.result-actions { display: flex; gap: .75rem; margin-top: 1.25rem; flex-wrap: wrap; }
.result-summary { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.summary-stat { text-align: center; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem; }
.summary-number { display: block; font-size: 1.875rem; font-weight: 800; color: var(--dark); }
.summary-label  { font-size: .8125rem; color: var(--gray-500); text-transform: uppercase; letter-spacing: .04em; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }

/* Ping results list */
.ping-results-list { max-height: 350px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.ping-result-item { display: flex; align-items: center; justify-content: space-between; padding: .5rem .875rem; border-bottom: 1px solid var(--border); font-size: .875rem; }
.ping-result-item:last-child { border-bottom: none; }
.ping-success { background: #f0fdf4; }
.ping-failed  { background: #fef2f2; }
.ping-service-name { font-weight: 500; }
.ping-time { color: var(--gray-500); font-size: .8125rem; }
.ping-status-icon .fa-check-circle { color: var(--success); }
.ping-status-icon .fa-times-circle { color: var(--danger); }

/* Results table */
.results-table-wrap { overflow-x: auto; margin-top: 1rem; }
.results-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.results-table th { background: var(--gray-50); padding: .625rem .875rem; text-align: left; font-weight: 600; color: var(--gray-700); border-bottom: 2px solid var(--border); }
.results-table td { padding: .625rem .875rem; border-bottom: 1px solid var(--border); }
.url-cell { max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* DA Metrics */
.da-metrics-grid { display: flex; gap: 2rem; justify-content: center; margin: 1.5rem 0; flex-wrap: wrap; }
.da-metric { text-align: center; }
.da-score { position: relative; width: 120px; height: 120px; margin: 0 auto 1rem; }
.da-ring { position: absolute; inset: 0; transform: rotate(-90deg); }
.da-ring-bg { fill: none; stroke: var(--gray-200); stroke-width: 10; }
.da-ring-fill { fill: none; stroke: var(--primary); stroke-width: 10; stroke-linecap: round; transition: stroke-dasharray .5s ease; }
.da-score-inner { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.da-number { font-size: 2rem; font-weight: 800; color: var(--dark); line-height: 1; }
.da-label  { font-size: .8125rem; font-weight: 600; color: var(--gray-500); text-transform: uppercase; }
.da-metric h4 { font-weight: 700; margin-bottom: .25rem; }
.da-metric p  { font-size: .8125rem; color: var(--gray-500); }
.da-details-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.5rem 0; }
.da-detail-item { display: flex; align-items: center; gap: .875rem; background: var(--gray-50); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1rem; }
.da-detail-item i { font-size: 1.5rem; color: var(--primary); }
.da-detail-value { display: block; font-size: 1.25rem; font-weight: 700; color: var(--dark); }
.da-detail-label { font-size: .8125rem; color: var(--gray-500); }
.da-verdict { margin-top: 1rem; }

/* Tool Info */
.tool-info-section { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; margin-bottom: 1.5rem; }
.tool-info-section h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 1rem; color: var(--dark); }
.tool-info-section h3 { font-size: 1.125rem; font-weight: 700; margin: 1.5rem 0 .75rem; color: var(--dark); }
.tool-info-section p { color: var(--gray-700); line-height: 1.7; margin-bottom: 1rem; }
.info-list { margin-bottom: 1rem; }
.info-list li { display: flex; align-items: flex-start; gap: .75rem; margin-bottom: .625rem; font-size: .9375rem; color: var(--gray-700); }
.info-list li i { color: var(--primary); flex-shrink: 0; font-size: .9375rem; margin-top: .15rem; }
.info-list li strong { color: var(--dark); }
.service-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin: .75rem 0; }
.service-badge { display: inline-flex; align-items: center; gap: .375rem; background: var(--primary-light); color: var(--primary-dark); padding: .375rem .875rem; border-radius: 999px; font-size: .875rem; font-weight: 600; }

/* Related pages */
.related-pages { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 1.5rem; }
.related-pages h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 1rem; }
.related-links { display: flex; flex-wrap: wrap; gap: .5rem; }
.related-link { display: inline-flex; align-items: center; gap: .375rem; padding: .375rem .875rem; background: var(--gray-50); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .875rem; color: var(--gray-700); transition: var(--transition); }
.related-link:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); text-decoration: none; }

/* Tools mini grid */
.tools-mini-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: .75rem; }
.tool-mini-card { display: flex; flex-direction: column; align-items: center; gap: .5rem; padding: 1rem; background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius); text-align: center; font-size: .875rem; font-weight: 600; color: var(--gray-700); transition: var(--transition); }
.tool-mini-card i { font-size: 1.5rem; color: var(--primary); }
.tool-mini-card:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; transform: translateY(-2px); }
.internal-links-section { background: var(--gray-50); border-radius: var(--radius-lg); padding: 1.75rem; margin-bottom: 1.5rem; }
.internal-links-section h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 1rem; }

/* ====================================================================
   AUTH
   ==================================================================== */
.auth-section { min-height: calc(100vh - 200px); display: flex; align-items: center; padding: 3rem 0; background: var(--gray-50); }
.auth-card { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 2.5rem; max-width: 460px; margin: 0 auto; box-shadow: var(--shadow-lg); }

/* Math Captcha */
.captcha-wrap { display: flex; gap: .75rem; align-items: center; }
.captcha-question { display: flex; align-items: center; gap: .6rem; background: linear-gradient(135deg, #eff6ff, #dbeafe); border: 1.5px solid #bfdbfe; border-radius: var(--radius); padding: .6rem 1rem; flex-shrink: 0; }
.captcha-question i { color: var(--primary); font-size: .9rem; }
.captcha-expr { font-size: 1.15rem; font-weight: 800; font-family: 'Courier New', monospace; color: var(--gray-900); letter-spacing: .05em; }
.captcha-input { width: 90px !important; font-size: 1.1rem; font-weight: 700; text-align: center; flex-shrink: 0; }
.auth-header { text-align: center; margin-bottom: 1.75rem; }
.auth-logo { display: inline-flex; align-items: center; gap: .625rem; font-size: 1.375rem; font-weight: 800; color: var(--dark); margin-bottom: 1.25rem; text-decoration: none; }
.auth-logo i { color: var(--primary); font-size: 1.75rem; }
.auth-header h1 { font-size: 1.75rem; font-weight: 800; margin-bottom: .5rem; }
.auth-header p { color: var(--gray-600); }
.auth-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-bottom: 1.5rem; }
.benefit-item { display: flex; align-items: center; gap: .375rem; font-size: .8125rem; color: var(--gray-700); }
.benefit-item i { color: var(--success); }
.auth-form .form-group { margin-bottom: 1rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: .9rem; color: var(--gray-600); }
.auth-terms { font-size: .8125rem; margin-top: .5rem; }

/* Registration Disabled Box */
.reg-disabled-box { text-align: center; padding: 2rem 1rem; }
.reg-disabled-icon { width: 5rem; height: 5rem; background: #fef2f2; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; }
.reg-disabled-icon i { font-size: 2rem; color: #ef4444; }
.reg-disabled-box h2 { font-size: 1.25rem; font-weight: 700; color: var(--dark); margin-bottom: .625rem; }
.reg-disabled-box p { color: var(--gray-600); font-size: .9375rem; line-height: 1.6; margin-bottom: 1.5rem; }
.reg-disabled-actions { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.reg-disabled-contact { font-size: .875rem; color: var(--gray-500); margin: 0; }

/* ====================================================================
   PAGES / STATIC
   ==================================================================== */
.page-section { padding: 3rem 0 4rem; }
.page-layout { display: grid; grid-template-columns: 1fr 260px; gap: 2rem; }
.page-main { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; }
.page-content h1,h2,h3 { margin-top: 1.5rem; margin-bottom: .75rem; font-weight: 700; }
.page-content p { color: var(--gray-700); line-height: 1.7; margin-bottom: 1rem; }
.page-sidebar { }
.sidebar-widget { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 1.5rem; }
.sidebar-widget h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.sidebar-tool-links li { margin-bottom: .5rem; }
.sidebar-tool-links a { display: flex; align-items: center; gap: .5rem; font-size: .9rem; color: var(--gray-700); padding: .375rem .5rem; border-radius: var(--radius-sm); }
.sidebar-tool-links a:hover { color: var(--primary); background: var(--primary-light); text-decoration: none; }

/* Static Page — Header block */
.static-page-header { margin-bottom: 2rem; padding-bottom: 1.25rem; border-bottom: 2px solid var(--border); }
.static-page-header h1 { font-size: 2rem; font-weight: 800; color: var(--dark); margin: 0 0 .375rem; }
.static-page-header .page-meta { font-size: .875rem; color: var(--gray-500); margin: 0; }
.static-page-header .page-subtitle { font-size: 1.05rem; color: var(--gray-600); margin: .25rem 0 0; }
.page-content h2 { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-top: 2rem; }
.page-content h3 { font-size: 1.05rem; font-weight: 700; color: var(--gray-800); margin-top: 1.25rem; }
.page-content ul, .page-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.page-content li { color: var(--gray-700); line-height: 1.75; margin-bottom: .375rem; }
.page-content a { color: var(--primary); }
.page-content a:hover { text-decoration: underline; }

/* About page — tools grid */
.about-tools-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.25rem 0 2rem; }
.about-tool-item { display: flex; align-items: flex-start; gap: .875rem; padding: 1rem; background: var(--gray-50); border: 1px solid var(--border); border-radius: var(--radius-md); }
.about-tool-item i { font-size: 1.25rem; color: var(--primary); flex-shrink: 0; margin-top: .2rem; }
.about-tool-item strong { display: block; font-size: .9rem; font-weight: 700; color: var(--dark); margin-bottom: .25rem; }
.about-tool-item p { font-size: .8rem; color: var(--gray-600); margin: 0; line-height: 1.5; }
.about-benefits { list-style: none; padding: 0; }
.about-benefits li { display: flex; align-items: flex-start; gap: .625rem; padding: .5rem 0; border-bottom: 1px solid var(--gray-100); font-size: .9375rem; color: var(--gray-700); }
.about-benefits li:last-child { border-bottom: none; }
.about-benefits i { color: #16a34a; margin-top: .15rem; flex-shrink: 0; }

/* Contact page — info cards */
.contact-info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.5rem 0 2rem; }
.contact-info-card { display: flex; align-items: flex-start; gap: .875rem; padding: 1.125rem; background: var(--gray-50); border: 1px solid var(--border); border-radius: var(--radius-md); }
.contact-info-card i { font-size: 1.5rem; color: var(--primary); flex-shrink: 0; }
.contact-info-card strong { display: block; font-size: .8rem; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: .04em; margin-bottom: .25rem; }
.contact-info-card span { font-size: .9rem; color: var(--dark); }
.contact-info-card a { color: var(--primary); }

/* HTML Sitemap page */
.html-sitemap { display: flex; flex-direction: column; gap: 2rem; margin-top: 1.5rem; }
.sitemap-section h2 { font-size: 1.1rem; font-weight: 700; color: var(--dark); display: flex; align-items: center; gap: .625rem; margin: 0 0 .875rem; padding-bottom: .625rem; border-bottom: 2px solid var(--primary-light); }
.sitemap-section h2 i { color: var(--primary); }
.sitemap-links { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .25rem; }
.sitemap-links li a { display: flex; align-items: center; gap: .5rem; padding: .5rem .625rem; font-size: .9rem; color: var(--gray-700); border-radius: var(--radius-sm); }
.sitemap-links li a i { color: var(--primary); font-size: .7rem; flex-shrink: 0; }
.sitemap-links li a:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; }
.sitemap-count { display: inline-flex; align-items: center; justify-content: center; background: var(--primary-light); color: var(--primary); font-size: .7rem; font-weight: 700; padding: .1rem .45rem; border-radius: 9999px; margin-left: .375rem; vertical-align: middle; }

/* Contact form */
.contact-form-wrap { margin-top: 1.5rem; }
.contact-form .form-group { margin-bottom: 1.25rem; }
.contact-form label { display: block; font-size: .875rem; font-weight: 600; color: var(--gray-700); margin-bottom: .375rem; }
.contact-form .form-input, .contact-form .form-textarea { width: 100%; padding: .625rem .875rem; border: 1.5px solid var(--border); border-radius: var(--radius-md); font-size: .9375rem; font-family: inherit; color: var(--dark); background: var(--white); box-sizing: border-box; }
.contact-form .form-input:focus, .contact-form .form-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.1); }
.contact-form .form-textarea { resize: vertical; }

@media (max-width: 900px) {
  .about-tools-grid { grid-template-columns: 1fr; }
  .contact-info-cards { grid-template-columns: 1fr; }
  .sitemap-links { grid-template-columns: 1fr; }
}

/* SEO Landing */
.seo-landing-hero { background: linear-gradient(135deg, var(--dark), var(--gray-800)); color: white; padding: 3rem 0; text-align: center; }
.seo-landing-hero h1 { font-size: 2rem; font-weight: 800; margin-bottom: .75rem; }
.seo-landing-intro { font-size: 1.0625rem; opacity: .9; max-width: 600px; margin: 0 auto; }
.seo-landing-section { padding: 3rem 0 4rem; }
.seo-landing-content { background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; margin-bottom: 1.5rem; }
.seo-landing-content h2 { font-size: 1.375rem; font-weight: 700; margin-bottom: .75rem; }
.seo-landing-content h3 { font-size: 1.125rem; font-weight: 700; margin: 1.25rem 0 .625rem; }
.seo-landing-content p { color: var(--gray-700); line-height: 1.7; margin-bottom: 1rem; }
.seo-landing-content ul, .seo-landing-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.seo-landing-content li { color: var(--gray-700); margin-bottom: .375rem; line-height: 1.6; }
.tool-cta-card { background: var(--primary); color: var(--white); border-radius: var(--radius-lg); padding: 2rem; text-align: center; margin-bottom: 1.5rem; }
.tool-cta-card h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: .5rem; }
.tool-cta-card p { opacity: .9; margin-bottom: 1.25rem; }
.tool-cta-card .btn-primary { background: var(--white); color: var(--primary); border-color: var(--white); }
.tool-cta-card .btn-primary:hover { background: var(--gray-100); color: var(--primary-dark); }
.faq-landing { background: var(--gray-50); border-radius: var(--radius-lg); padding: 2rem; margin-bottom: 1.5rem; }
.faq-landing h2 { margin-bottom: 1.25rem; }

/* Contact form */
.contact-form-wrap { margin-top: 2rem; }
.form-textarea { width: 100%; padding: .75rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font); font-size: 1rem; resize: vertical; }

/* ====================================================================
   ERROR PAGES
   ==================================================================== */
.error-section { min-height: calc(100vh - 200px); display: flex; align-items: center; padding: 4rem 0; }
.error-content { text-align: center; max-width: 600px; margin: 0 auto; }
.error-code { font-size: 8rem; font-weight: 900; color: var(--gray-200); line-height: 1; margin-bottom: 1rem; }
.error-content h1 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; }
.error-content p { color: var(--gray-600); margin-bottom: 2rem; }
.error-actions { display: flex; gap: 1rem; justify-content: center; margin-bottom: 2rem; }
.error-tools h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 1rem; }

/* ====================================================================
   FOOTER
   ==================================================================== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.8); }
.footer-top { padding: 3.5rem 0 2.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; }
.footer-brand-col { }
.footer-brand { display: inline-flex; align-items: center; gap: .5rem; font-size: 1.375rem; font-weight: 800; color: var(--white); text-decoration: none; margin-bottom: .875rem; }
.footer-brand i { color: var(--primary); }
.footer-brand-col p { font-size: .9375rem; opacity: .75; line-height: 1.6; margin-bottom: 1rem; }
.footer-social { display: flex; gap: .75rem; }
.footer-social a { width: 2.25rem; height: 2.25rem; background: rgba(255,255,255,.08); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.7); transition: var(--transition); font-size: .875rem; }
.footer-social a:hover { background: var(--primary); color: white; text-decoration: none; }
.footer-col h4 { font-size: .875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--white); margin-bottom: 1.125rem; }
.footer-col ul li { margin-bottom: .5rem; }
.footer-col ul li a { color: rgba(255,255,255,.65); font-size: .9375rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--white); text-decoration: none; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 1.25rem 0; display: flex; align-items: center; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }
.footer-bottom p { font-size: .875rem; opacity: .6; }
.footer-tagline { font-size: .8125rem; opacity: .5; }

/* ====================================================================
   RESPONSIVE
   ==================================================================== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .ping-animation { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .page-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .top-bar-tagline { display: none; }
  .navbar-menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); box-shadow: var(--shadow-lg); padding: 1.25rem 1.5rem; z-index: 999; overflow: visible; }
  .navbar-menu.open { display: flex; }
  .nav-links { flex-direction: column; align-items: flex-start; width: 100%; overflow: visible; }
  .navbar-toggle { display: flex; }
  .hero-stats { gap: 1.5rem; }
  .tools-grid { grid-template-columns: 1fr; }
  .steps-grid { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .tool-input-group { flex-direction: column; }
  .btn-tool { width: 100%; justify-content: center; }
  .da-details-grid { grid-template-columns: 1fr; }
  .auth-benefits { grid-template-columns: 1fr; }
  .tool-layout { grid-template-columns: 1fr !important; }
  .sidebar { display: none; }
  .hero-actions { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .result-status { flex-direction: column; }
  .da-metrics-grid { flex-direction: column; }
}

/* ============================================================
   Blog Styles
   ============================================================ */

/* Hero */
.blog-hero { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); color: white; padding: 4rem 0 3rem; text-align: center; }
.blog-hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: .5rem; }
.blog-hero p { font-size: 1.1rem; opacity: .85; }

/* Blog listing section */
.blog-section { padding: 4rem 0; }
.blog-empty { text-align: center; padding: 5rem 0; color: var(--gray-500); }
.blog-empty i { font-size: 3rem; margin-bottom: 1rem; display: block; }

/* Blog card grid */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.blog-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.blog-card-img-wrap { display: block; overflow: hidden; aspect-ratio: 16/9; }
.blog-card-img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.blog-card:hover .blog-card-img { transform: scale(1.04); }
.blog-card-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .75rem; flex: 1; }
.blog-card-cats { display: flex; flex-wrap: wrap; gap: .35rem; }
.blog-cat-badge { background: var(--primary-light); color: var(--primary); font-size: .72rem; font-weight: 700; padding: .2rem .6rem; border-radius: 9999px; text-transform: uppercase; letter-spacing: .04em; }
.blog-card-title { font-size: 1.1rem; font-weight: 700; line-height: 1.4; margin: 0; }
.blog-card-title a { color: var(--gray-900); text-decoration: none; }
.blog-card-title a:hover { color: var(--primary); }
.blog-card-excerpt { color: var(--gray-600); font-size: .9rem; line-height: 1.6; margin: 0; }
.blog-card-meta { display: flex; flex-wrap: wrap; gap: .5rem 1rem; font-size: .8rem; color: var(--gray-500); }
.blog-card-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.blog-tag { font-size: .75rem; color: var(--gray-500); background: var(--gray-100); padding: .15rem .5rem; border-radius: 9999px; }
.blog-read-more { margin-top: auto; align-self: flex-start; }

/* Blog pagination */
.blog-pagination { display: flex; justify-content: center; gap: .5rem; margin-top: 3rem; flex-wrap: wrap; }
.blog-page-btn { padding: .5rem .875rem; border: 1.5px solid var(--border); border-radius: var(--radius); font-weight: 600; font-size: .875rem; color: var(--gray-600); background: var(--white); text-decoration: none; }
.blog-page-btn.active { background: var(--primary); border-color: var(--primary); color: white; }
.blog-page-btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.blog-page-btn.active:hover { color: white; }

/* Blog post page */
.blog-post-wrap { padding: 3rem 0 5rem; }
.blog-post-layout { display: grid; grid-template-columns: 1fr 320px; gap: 3rem; align-items: start; }
.blog-post-main { min-width: 0; }
.blog-post-hero-img { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 2rem; }
.blog-post-hero-img img { width: 100%; display: block; max-height: 480px; object-fit: cover; }
.blog-post-header { margin-bottom: 2rem; }
.blog-post-title { font-size: 2.2rem; font-weight: 800; line-height: 1.25; margin: .75rem 0 1rem; }
.blog-post-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; font-size: .875rem; color: var(--gray-500); }
.blog-post-meta i { color: var(--primary); }
.blog-post-content { font-size: 1.05rem; line-height: 1.85; color: var(--gray-800); }
.blog-post-content h2 { font-size: 1.6rem; font-weight: 700; margin: 2rem 0 .75rem; }
.blog-post-content h3 { font-size: 1.3rem; font-weight: 700; margin: 1.75rem 0 .6rem; }
.blog-post-content h4 { font-size: 1.1rem; font-weight: 700; margin: 1.5rem 0 .5rem; }
.blog-post-content p { margin-bottom: 1.25rem; }
.blog-post-content ul, .blog-post-content ol { margin: 0 0 1.25rem 1.5rem; }
.blog-post-content li { margin-bottom: .4rem; }
.blog-post-content blockquote { border-left: 4px solid var(--primary); padding: .75rem 1.25rem; margin: 1.5rem 0; background: var(--gray-50); color: var(--gray-700); border-radius: 0 var(--radius) var(--radius) 0; }
.blog-post-content img { max-width: 100%; border-radius: var(--radius); }
.blog-post-content pre { background: var(--gray-900); color: #e2e8f0; padding: 1.25rem; border-radius: var(--radius); overflow-x: auto; margin-bottom: 1.25rem; font-size: .9rem; }
.blog-post-content code { background: var(--gray-100); padding: .15em .4em; border-radius: .25rem; font-size: .9em; }
.blog-post-content table { width: 100%; border-collapse: collapse; margin-bottom: 1.25rem; }
.blog-post-content th, .blog-post-content td { border: 1px solid var(--border); padding: .6rem .875rem; }
.blog-post-content th { background: var(--gray-50); font-weight: 600; }
.blog-post-content a { color: var(--primary); }
.blog-post-tags { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }

/* Share buttons */
.blog-share { margin-top: 2rem; padding: 1.25rem; background: var(--gray-50); border-radius: var(--radius-lg); display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.btn-share { display: inline-flex; align-items: center; gap: .4rem; padding: .45rem .9rem; border-radius: var(--radius); font-size: .875rem; font-weight: 600; text-decoration: none; transition: opacity .15s; }
.btn-share:hover { opacity: .85; text-decoration: none; }
.btn-twitter { background: #1DA1F2; color: white; }
.btn-linkedin { background: #0A66C2; color: white; }
.btn-facebook { background: #1877F2; color: white; }

/* Comments */
.blog-comments { margin-top: 3rem; padding-top: 2rem; border-top: 2px solid var(--border); }
.blog-comments-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 1.5rem; }
.comments-list { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2.5rem; }
.comment-item { display: flex; gap: 1rem; }
.comment-avatar img { border-radius: 50%; flex-shrink: 0; }
.comment-body { flex: 1; }
.comment-header { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: baseline; margin-bottom: .5rem; }
.comment-author { font-size: .95rem; font-weight: 600; color: var(--gray-900); }
.comment-author a { color: var(--primary); }
.comment-date { font-size: .8rem; color: var(--gray-500); }
.comment-content { font-size: .9375rem; line-height: 1.65; color: var(--gray-700); }

/* Comment form */
.comment-form-wrap { background: var(--gray-50); border-radius: var(--radius-lg); padding: 2rem; }
.comment-form-wrap h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 1.25rem; }
.comment-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.comment-form .form-group { margin-bottom: 1rem; }
.comment-form label { display: block; font-size: .875rem; font-weight: 600; margin-bottom: .35rem; color: var(--gray-700); }
.required { color: var(--danger); }
.comment-form small { font-size: .8rem; color: var(--gray-500); }

/* Blog sidebar */
.blog-post-sidebar { position: sticky; top: 1.5rem; display: flex; flex-direction: column; gap: 1.25rem; }
.blog-sidebar-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 1.25rem 1.5rem; overflow: hidden; }
.blog-sidebar-title { font-size: .9rem; font-weight: 800; margin: 0 0 1rem; color: var(--gray-800); text-transform: uppercase; letter-spacing: .05em; display: flex; align-items: center; gap: .5rem; }
.blog-sidebar-title i { color: var(--primary); }

/* Categories */
.sidebar-cat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .15rem; }
.sidebar-cat-item {}
.sidebar-cat-link { display: flex; align-items: center; justify-content: space-between; padding: .5rem .65rem; border-radius: .4rem; font-size: .875rem; font-weight: 500; color: var(--gray-700); text-decoration: none; transition: background .15s, color .15s; }
.sidebar-cat-link:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; }
.sidebar-cat-name {}
.sidebar-cat-count { background: var(--gray-100); color: var(--gray-500); font-size: .72rem; font-weight: 700; padding: .15rem .5rem; border-radius: 9999px; min-width: 1.4rem; text-align: center; }
.sidebar-cat-link:hover .sidebar-cat-count { background: var(--primary); color: white; }

/* Recent & Related Posts */
.sidebar-recent-list { display: flex; flex-direction: column; gap: 0; }
.sidebar-recent-item { display: flex; gap: .75rem; align-items: flex-start; padding: .65rem 0; border-bottom: 1px solid var(--gray-100); text-decoration: none; transition: background .15s; }
.sidebar-recent-item:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-recent-item:first-child { padding-top: 0; }
.sidebar-recent-item:hover { text-decoration: none; }
.sidebar-recent-img { width: 64px; height: 46px; object-fit: cover; border-radius: .375rem; flex-shrink: 0; }
.sidebar-recent-img-placeholder { width: 64px; height: 46px; border-radius: .375rem; flex-shrink: 0; background: var(--gray-100); display: flex; align-items: center; justify-content: center; color: var(--gray-400); font-size: .9rem; }
.sidebar-recent-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .25rem; }
.sidebar-recent-title { font-size: .835rem; font-weight: 600; color: var(--gray-800); line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .15s; }
.sidebar-recent-item:hover .sidebar-recent-title { color: var(--primary); }
.sidebar-recent-meta { font-size: .75rem; color: var(--gray-400); display: flex; align-items: center; gap: .3rem; }

/* Tools list */
.sidebar-tools-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.sidebar-tool-item { display: flex; align-items: center; gap: .6rem; padding: .55rem .5rem; border-radius: .4rem; font-size: .835rem; font-weight: 500; color: var(--gray-700); text-decoration: none; transition: background .15s, color .15s; }
.sidebar-tool-item:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; }
.sidebar-tool-icon { width: 26px; height: 26px; background: var(--primary-light); color: var(--primary); border-radius: .375rem; display: flex; align-items: center; justify-content: center; font-size: .75rem; flex-shrink: 0; transition: background .15s, color .15s; }
.sidebar-tool-item:hover .sidebar-tool-icon { background: var(--primary); color: white; }
.sidebar-tool-name { flex: 1; }
.sidebar-tool-arrow { font-size: .6rem; color: var(--gray-300); transition: color .15s; }
.sidebar-tool-item:hover .sidebar-tool-arrow { color: var(--primary); }

/* AdSense sidebar */
.blog-sidebar-ad { padding: .5rem !important; }

/* Blog Ad Slots */
.blog-ad-slot { width: 100%; overflow: hidden; border-radius: var(--radius); }
.blog-ad-top    { margin-bottom: 1.5rem; }
.blog-ad-bottom { margin-top: 2rem; margin-bottom: 1.5rem; }
.blog-ad-listing { text-align: center; }
.blog-ad-slot ins, .blog-ad-slot > * { max-width: 100%; }

/* Responsive blog */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-post-layout { grid-template-columns: 1fr; }
  .blog-post-sidebar { position: static; }
}
@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-post-title { font-size: 1.7rem; }
  .comment-form-row { grid-template-columns: 1fr; }
  .blog-hero h1 { font-size: 1.8rem; }
}

/* ── Blog Search ──────────────────────────────────────────────────────────── */

/* Hero search bar (blog listing page) */
.blog-hero-search { margin-top: 1.5rem; max-width: 640px; margin-left: auto; margin-right: auto; }
.blog-search-wrap { position: relative; display: flex; align-items: center; background: white; border-radius: var(--radius-lg); box-shadow: 0 4px 24px rgba(0,0,0,.12); overflow: hidden; }
.blog-search-icon { position: absolute; left: 1.1rem; font-size: .95rem; color: var(--gray-400); pointer-events: none; z-index: 1; }
.blog-search-input { flex: 1; border: none; outline: none; padding: .875rem 3rem .875rem 2.8rem; font-size: 1rem; color: var(--gray-800); background: transparent; line-height: 1.4; }
.blog-search-input::placeholder { color: var(--gray-400); }
.blog-search-clear { display: flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 50%; color: var(--gray-400); text-decoration: none; flex-shrink: 0; transition: background .15s, color .15s; margin-right: .25rem; }
.blog-search-clear:hover { background: var(--gray-100); color: var(--gray-700); text-decoration: none; }
.blog-search-btn { border: none; outline: none; cursor: pointer; background: var(--primary); color: white; font-size: .9rem; font-weight: 600; padding: 0 1.4rem; height: 100%; min-height: 3rem; letter-spacing: .02em; transition: background .15s; flex-shrink: 0; }
.blog-search-btn:hover { background: var(--primary-dark, #1a56db); }

/* Search result banner */
.blog-search-result-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .5rem; background: var(--primary-light); border: 1px solid var(--primary); border-radius: var(--radius); padding: .65rem 1rem; margin-bottom: 1.5rem; font-size: .9rem; color: var(--gray-700); }
.blog-search-clear-link { display: inline-flex; align-items: center; gap: .35rem; font-size: .85rem; color: var(--danger); text-decoration: none; font-weight: 500; transition: opacity .15s; }
.blog-search-clear-link:hover { opacity: .75; text-decoration: none; }

/* Sidebar search form */
.sidebar-search-form { width: 100%; }
.sidebar-search-wrap { display: flex; align-items: center; background: var(--gray-50); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: border-color .15s, box-shadow .15s; }
.sidebar-search-wrap:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59,130,246,.15); }
.sidebar-search-input { flex: 1; border: none; outline: none; background: transparent; padding: .55rem .75rem; font-size: .875rem; color: var(--gray-800); min-width: 0; }
.sidebar-search-input::placeholder { color: var(--gray-400); }
.sidebar-search-btn { border: none; outline: none; cursor: pointer; background: var(--primary); color: white; padding: 0 .75rem; height: 2.1rem; font-size: .8rem; flex-shrink: 0; transition: background .15s; display: flex; align-items: center; justify-content: center; }
.sidebar-search-btn:hover { background: var(--primary-dark, #1a56db); }