/* ═══════════════════════════════════════════════════════════
   CalcPro Theme — main.css v2.0
   Font: Plus Jakarta Sans (body) + Sora (display)
   Palette: Deep Navy #0B1D35 · Electric Blue #2563EB · Amber #F59E0B
   ═══════════════════════════════════════════════════════════ */

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-family: 'Sora', system-ui, sans-serif; line-height: 1.2; letter-spacing: -.02em; }

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Colors */
  --navy:       #0B1D35;
  --navy-2:     #142540;
  --navy-3:     #1E3A5F;
  --blue:       #2563EB;
  --blue-hover: #1D4ED8;
  --blue-light: #EFF6FF;
  --amber:      #F59E0B;
  --amber-dark: #D97706;
  --green:      #10B981;
  --red:        #EF4444;
  --white:      #FFFFFF;
  --bg:         #F7F9FC;
  --bg-2:       #FFFFFF;
  --text:       #0F172A;
  --text-2:     #334155;
  --text-3:     #64748B;
  --text-4:     #94A3B8;
  --border:     #E2E8F0;
  --border-2:   #CBD5E1;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(0,0,0,.06);
  --shadow:     0 1px 3px rgba(0,0,0,.08), 0 4px 12px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.14);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.18);

  /* Radii */
  --r-sm: 8px;
  --r:    12px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-full: 9999px;

  /* Transitions */
  --t: 180ms cubic-bezier(.4,0,.2,1);
  --t-slow: 320ms cubic-bezier(.4,0,.2,1);

  /* Layout */
  --header-h: 64px;
  --container: 1280px;
  --container-narrow: 760px;
}

/* ── Utilities ─────────────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section-alt { background: var(--bg-2); }
.card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px;
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 20px; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--blue); color: #fff;
  padding: 8px 16px; border-radius: var(--r-sm);
  font-weight: 600; z-index: 9999;
  transition: top var(--t);
}
.skip-link:focus { top: 16px; }

/* ── HEADER ─────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 500;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,.08);
  height: var(--header-h);
  transition: box-shadow var(--t);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.3); }
.header-inner {
  max-width: var(--container); margin: 0 auto;
  padding: 0 20px;
  display: flex; align-items: center; gap: 24px;
  height: 100%;
}
/* Logo */
.site-logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-text {
  font-family: 'Sora', sans-serif;
  font-size: 22px; font-weight: 800;
  color: var(--white); letter-spacing: -.03em;
}
.logo-text em { color: var(--amber); font-style: normal; }

/* Primary Nav */
.primary-nav { flex: 1; display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 12px; border-radius: var(--r-sm);
  color: rgba(255,255,255,.75); font-size: 14px; font-weight: 500;
  transition: var(--t); white-space: nowrap;
}
.nav-link:hover, .nav-item:hover .nav-link {
  color: var(--white); background: rgba(255,255,255,.1);
}
.nav-arrow { font-size: 10px; opacity: .7; transition: transform var(--t); }
.nav-item:hover .nav-arrow { transform: rotate(180deg); }
.nav-all { background: rgba(245,158,11,.15); color: var(--amber) !important; }
.nav-all:hover { background: rgba(245,158,11,.25) !important; }

/* Dropdown */
.nav-dropdown {
  position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-xl);
  padding: 8px; min-width: 280px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity var(--t), visibility var(--t), transform var(--t);
  pointer-events: none;
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
  pointer-events: auto;
}
.dropdown-grid { display: grid; gap: 2px; }
.dropdown-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--r-sm);
  color: var(--text-2); font-size: 13.5px; font-weight: 500;
  transition: var(--t);
}
.dropdown-item:hover { background: var(--bg); color: var(--text); }
.di-icon { font-size: 18px; width: 24px; text-align: center; flex-shrink: 0; }
.dropdown-all { color: var(--blue); border-top: 1px solid var(--border); margin-top: 4px; padding-top: 12px; }
.dropdown-all:hover { background: var(--blue-light); }

/* Header Right */
.header-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search-toggle {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--r-sm);
  background: rgba(255,255,255,.1); color: rgba(255,255,255,.8);
  font-size: 13px; font-weight: 500;
  transition: var(--t);
}
.search-toggle:hover { background: rgba(255,255,255,.18); color: var(--white); }
.mobile-menu-btn {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: var(--r-sm);
  background: rgba(255,255,255,.08);
}
.hamburger-line {
  display: block; width: 20px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: var(--t);
}

/* Search Overlay */
.search-overlay {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(11,29,53,.85); backdrop-filter: blur(8px);
  display: flex; align-items: flex-start; padding-top: 80px;
  animation: fadeIn .15s ease;
}
.search-overlay[hidden] { display: none; }
.search-overlay-inner { width: 100%; max-width: 680px; margin: 0 auto; padding: 0 20px; }
.search-overlay-box {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-2); border-radius: var(--r-xl);
  padding: 14px 20px;
  box-shadow: var(--shadow-xl);
}
.soi-icon { color: var(--text-3); flex-shrink: 0; }
.search-overlay-input {
  flex: 1; border: none; outline: none; background: none;
  font-size: 18px; font-family: inherit; color: var(--text);
}
.search-overlay-input::placeholder { color: var(--text-4); }
.search-overlay-close {
  color: var(--text-3); font-size: 16px;
  padding: 4px 8px; border-radius: var(--r-sm);
  transition: var(--t);
}
.search-overlay-close:hover { background: var(--border); color: var(--text); }
.search-overlay-results {
  background: var(--bg-2); border-radius: var(--r-lg);
  margin-top: 8px; overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-height: 60vh; overflow-y: auto;
}
.search-result-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: var(--t);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover, .search-result-item.active { background: var(--bg); }
.sri-icon { font-size: 22px; width: 36px; text-align: center; }
.sri-info { flex: 1; }
.sri-name { font-size: 14px; font-weight: 600; color: var(--text); }
.sri-cat { font-size: 12px; color: var(--text-3); margin-top: 1px; }
.sri-arrow { color: var(--text-4); font-size: 14px; }
.search-overlay-tip {
  text-align: center; color: rgba(255,255,255,.4);
  font-size: 12px; margin-top: 12px;
}
.search-overlay-tip kbd {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px; padding: 1px 5px; font-size: 11px;
}
.search-no-results {
  padding: 24px; text-align: center;
  font-size: 14px; color: var(--text-3);
}

/* ── HERO ───────────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  padding: 80px 0 88px;
  position: relative; overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(37,99,235,.15) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(37,99,235,.15) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
}
.hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 50% at 80% 20%, rgba(37,99,235,.2), transparent),
              radial-gradient(ellipse 50% 40% at 10% 80%, rgba(245,158,11,.1), transparent);
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 760px; margin: 0 auto; text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,158,11,.12); border: 1px solid rgba(245,158,11,.25);
  color: var(--amber); font-size: 13px; font-weight: 600;
  padding: 6px 16px; border-radius: var(--r-full);
  margin-bottom: 28px; letter-spacing: .02em;
}
.hero-badge-dot {
  width: 7px; height: 7px; background: var(--amber);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.3)} }
.hero-title {
  font-size: clamp(38px, 6vw, 64px);
  color: var(--white); line-height: 1.1;
  margin-bottom: 20px;
}
.hero-title em { color: var(--amber); font-style: normal; }
.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,.6); line-height: 1.7;
  max-width: 560px; margin: 0 auto 40px;
}
/* Hero Stats */
.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 40px; flex-wrap: wrap;
}
.hero-stat { text-align: center; padding: 0 28px; }
.hero-stat-divider {
  width: 1px; height: 36px;
  background: rgba(255,255,255,.15);
}
.hs-num {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800; color: var(--amber);
  line-height: 1;
}
.hs-label {
  display: block; font-size: 12px;
  color: rgba(255,255,255,.5); margin-top: 4px;
  font-weight: 500; letter-spacing: .04em; text-transform: uppercase;
}
/* Hero Search */
.hero-search-wrap { max-width: 580px; margin: 0 auto 24px; position: relative; }
.hero-search {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.08);
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: var(--r-xl);
  padding: 14px 20px;
  transition: var(--t);
  backdrop-filter: blur(8px);
}
.hero-search:focus-within {
  border-color: var(--blue); background: rgba(255,255,255,.12);
  box-shadow: 0 0 0 4px rgba(37,99,235,.2);
}
.hs-icon { color: rgba(255,255,255,.4); flex-shrink: 0; }
.hero-search-input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--white); font-size: 16px; font-family: inherit;
}
.hero-search-input::placeholder { color: rgba(255,255,255,.35); }
.hs-clear {
  color: rgba(255,255,255,.4); font-size: 14px;
  padding: 2px 6px; border-radius: var(--r-sm);
  transition: var(--t);
}
.hs-clear:hover { color: var(--white); background: rgba(255,255,255,.1); }
.hero-search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--bg-2); border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl); overflow: hidden;
  border: 1px solid var(--border); z-index: 100;
  max-height: 360px; overflow-y: auto;
}
.hero-search-results[hidden] { display: none; }
/* Shortcuts */
.hero-shortcuts {
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: center; gap: 8px;
}
.shortcuts-label { font-size: 13px; color: rgba(255,255,255,.4); font-weight: 500; }
.shortcut-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; border-radius: var(--r-full);
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.7); font-size: 13px; font-weight: 500;
  transition: var(--t);
}
.shortcut-chip:hover { background: rgba(255,255,255,.14); color: var(--white); }

/* ── SECTION HEADERS ────────────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  display: inline-block; font-size: 11px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 10px;
}
.section-title {
  font-size: clamp(26px, 4vw, 38px); color: var(--text);
  margin-bottom: 10px;
}
.section-sub { font-size: 16px; color: var(--text-3); max-width: 480px; margin: 0 auto; }

/* ── CATEGORY CARDS ─────────────────────────────────────────── */
.cat-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.cat-card {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 20px; border-radius: var(--r-lg);
  background: var(--bg-2); border: 1.5px solid var(--border);
  position: relative; overflow: hidden;
  transition: var(--t);
}
.cat-card:hover {
  border-color: var(--cat-color, var(--blue));
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.cat-new-badge {
  position: absolute; top: 10px; right: 10px;
  background: var(--green); color: #fff;
  font-size: 9px; font-weight: 700; letter-spacing: .06em;
  padding: 2px 7px; border-radius: var(--r-full);
  text-transform: uppercase;
}
.cat-card-icon {
  font-size: 28px; width: 52px; height: 52px; flex-shrink: 0;
  background: var(--cat-bg, #EFF6FF); border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
}
.cat-card-info { flex: 1; min-width: 0; }
.cat-card-name { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.cat-card-count { font-size: 12px; color: var(--text-3); margin-bottom: 6px; font-weight: 500; }
.cat-card-desc { font-size: 13px; color: var(--text-3); line-height: 1.4; }
.cat-card-arrow {
  color: var(--cat-color, var(--blue)); font-size: 18px;
  margin-left: auto; flex-shrink: 0;
  opacity: 0; transform: translateX(-4px);
  transition: var(--t);
}
.cat-card:hover .cat-card-arrow { opacity: 1; transform: translateX(0); }

/* ── FILTER BAR ─────────────────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center; margin-bottom: 24px;
}
.filter-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: var(--r-full);
  font-size: 13px; font-weight: 600; font-family: inherit;
  border: 1.5px solid var(--border);
  background: var(--bg-2); color: var(--text-2);
  transition: var(--t); cursor: pointer;
}
.filter-pill:hover { border-color: var(--blue); color: var(--blue); }
.filter-pill.active { background: var(--navy); color: var(--white); border-color: var(--navy); }
.pill-count {
  background: rgba(0,0,0,.07); font-size: 11px;
  padding: 1px 6px; border-radius: var(--r-full);
}
.filter-pill.active .pill-count { background: rgba(255,255,255,.2); }

/* ── TOOLS GRID ─────────────────────────────────────────────── */
.results-info { text-align: center; font-size: 14px; color: var(--text-3); margin-bottom: 28px; }
.results-info strong { color: var(--text); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.tool-card {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--bg-2); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); padding: 18px;
  cursor: pointer; transition: var(--t); position: relative; overflow: hidden;
}
.tool-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--cat-color, var(--blue));
  opacity: 0; transition: var(--t);
}
.tool-card:hover {
  border-color: var(--cat-color, var(--blue));
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,.09);
}
.tool-card:hover::before { opacity: .03; }
.tool-new-badge {
  position: absolute; top: 9px; right: 9px;
  background: var(--green); color: #fff;
  font-size: 9px; font-weight: 700;
  padding: 2px 6px; border-radius: 4px;
  text-transform: uppercase; letter-spacing: .04em;
}
.tool-card-icon {
  font-size: 24px; width: 44px; height: 44px; flex-shrink: 0;
  background: var(--bg); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.tool-card-body { flex: 1; min-width: 0; }
.tool-card-name { font-size: 13.5px; font-weight: 700; color: var(--text); line-height: 1.3; margin-bottom: 3px; }
.tool-card-cat { font-size: 11px; color: var(--text-3); font-weight: 500; letter-spacing: .02em; margin-bottom: 4px; }
.tool-card-desc { font-size: 12px; color: var(--text-3); line-height: 1.4; display: none; }
.tool-card-arrow { font-size: 16px; color: var(--text-4); margin-left: auto; flex-shrink: 0; align-self: center; transition: var(--t); }
.tool-card:hover .tool-card-arrow { color: var(--cat-color, var(--blue)); transform: translateX(3px); }
.tool-card.tool-card-lg .tool-card-desc { display: block; }
.tool-card-lg { padding: 22px; }
.tool-card-lg .tool-card-name { font-size: 15px; }
.tool-card.hidden { display: none !important; }
.no-results { text-align: center; padding: 64px 0; }
.no-results-icon { font-size: 48px; margin-bottom: 12px; }
.no-results-text { font-size: 16px; color: var(--text-3); }

/* ── TRUST SECTION ──────────────────────────────────────────── */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.trust-item {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px 24px;
  text-align: center;
}
.trust-icon { font-size: 36px; margin-bottom: 14px; }
.trust-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--text); }
.trust-item p { font-size: 14px; color: var(--text-3); line-height: 1.5; }

/* ── AD ZONES ───────────────────────────────────────────────── */
.ad-zone { padding: 20px 0; }
.ad-label { font-size: 10px; text-align: center; color: var(--text-4); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.ad-placeholder {
  background: var(--border); border: 1px dashed var(--border-2);
  border-radius: var(--r); display: flex; align-items: center;
  justify-content: center; color: var(--text-4);
  font-size: 12px; margin: 0 auto;
}
.ad-728x90 { min-height: 90px; max-width: 728px; }
.ad-300x250 { min-height: 250px; max-width: 300px; }
.ad-inline { margin: 28px 0; }

/* ── FAQ ────────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r); overflow: hidden;
}
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 16px 20px;
  font-size: 15px; font-weight: 600; font-family: 'Sora', sans-serif;
  color: var(--text); text-align: left;
  cursor: pointer; transition: var(--t);
}
.faq-question:hover { background: var(--bg); }
.faq-chevron { font-size: 20px; flex-shrink: 0; transition: transform var(--t); color: var(--text-3); }
.faq-question[aria-expanded="true"] .faq-chevron { transform: rotate(90deg); }
.faq-answer { display: none; padding: 0 20px 16px; }
.faq-answer p { font-size: 14.5px; color: var(--text-2); line-height: 1.65; }
.faq-item.open .faq-answer { display: block; }

/* ── BREADCRUMBS ────────────────────────────────────────────── */
.breadcrumbs { margin-bottom: 16px; }
.breadcrumb-list { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.breadcrumb-item { display: flex; align-items: center; gap: 4px; font-size: 13px; }
.breadcrumb-item a { color: rgba(255,255,255,.6); transition: var(--t); }
.breadcrumb-item a:hover { color: var(--white); }
.breadcrumb-item span[aria-current] { color: var(--amber); font-weight: 600; }
.bc-sep { color: rgba(255,255,255,.3); }

/* ── TOOL PAGE ──────────────────────────────────────────────── */
.tool-hero {
  background: var(--navy); padding: 32px 0 40px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.tool-hero-content { display: flex; align-items: center; gap: 20px; }
.tool-hero-icon {
  font-size: 40px; width: 72px; height: 72px; flex-shrink: 0;
  background: var(--cat-bg, #EFF6FF);
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
}
.tool-hero-title { font-size: clamp(22px, 3.5vw, 34px); color: var(--white); margin-bottom: 6px; }
.tool-hero-desc { font-size: 15px; color: rgba(255,255,255,.6); }

.tool-body { padding: 40px 0 80px; }
.tool-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.tool-main { display: flex; flex-direction: column; gap: 20px; }
.tool-trust-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.ttp {
  font-size: 12px; font-weight: 600; color: var(--green);
  background: #ECFDF5; border: 1px solid #A7F3D0;
  padding: 4px 10px; border-radius: var(--r-full);
}
.tool-card-wrapper {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 400px;
}
.tool-loading {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 16px;
  min-height: 400px; color: var(--text-3); font-size: 14px;
}
.tool-loading[hidden] { display: none !important; }
[hidden] { display: none !important; }
.tool-loading-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.tool-mount { padding: 28px; }
/* Tool UI Components */
.tool-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label {
  font-size: 13px; font-weight: 600; color: var(--text-2);
  display: flex; align-items: center; gap: 6px;
}
.form-input, .form-select {
  padding: 11px 14px; border: 1.5px solid var(--border);
  border-radius: var(--r-sm); font-size: 15px; font-family: inherit;
  color: var(--text); background: var(--bg-2); outline: none;
  transition: var(--t);
}
.form-input:focus, .form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-hint { font-size: 12px; color: var(--text-3); }
.form-prefix-wrap { position: relative; }
.form-prefix {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-size: 15px; color: var(--text-3); pointer-events: none;
}
.form-prefix-wrap .form-input { padding-left: 28px; }
.btn-calc {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--r-lg);
  background: var(--blue); color: var(--white);
  font-size: 15px; font-weight: 700; font-family: 'Sora', sans-serif;
  cursor: pointer; transition: var(--t); border: none;
  letter-spacing: .01em;
}
.btn-calc:hover { background: var(--blue-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,.3); }
.btn-calc:active { transform: translateY(0); }
.btn-reset {
  padding: 13px 20px; border-radius: var(--r-lg);
  background: var(--bg); color: var(--text-2);
  font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; border: 1.5px solid var(--border); transition: var(--t);
}
.btn-reset:hover { background: var(--border); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
/* Results */
.tool-results {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  border-radius: var(--r-lg); padding: 24px;
  margin-top: 24px; display: none;
}
.tool-results.show { display: block; animation: slideUp .25s ease; }
@keyframes slideUp { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.results-primary {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: 16px;
}
.result-item {
  background: rgba(255,255,255,.08); border-radius: var(--r);
  padding: 16px; text-align: center;
}
.result-label { font-size: 11px; color: rgba(255,255,255,.55); letter-spacing: .05em; text-transform: uppercase; margin-bottom: 6px; font-weight: 500; }
.result-value { font-family: 'Sora', sans-serif; font-size: 22px; font-weight: 800; color: var(--amber); }
.result-value.sm { font-size: 17px; }
.results-secondary { border-top: 1px solid rgba(255,255,255,.1); padding-top: 16px; }
.result-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.result-row + .result-row { border-top: 1px solid rgba(255,255,255,.06); }
.rr-label { font-size: 13px; color: rgba(255,255,255,.6); }
.rr-value { font-size: 14px; font-weight: 600; color: var(--white); }
.results-error {
  background: #FEF2F2; border: 1px solid #FECACA;
  border-radius: var(--r); padding: 14px 16px;
  color: #DC2626; font-size: 14px; font-weight: 500;
  margin-top: 16px; display: none;
}
.results-error.show { display: block; }

/* Tool About & FAQ */
.tool-about h2, .tool-faq h2 { font-size: 20px; margin-bottom: 12px; color: var(--text); }
.tool-about p { font-size: 14.5px; color: var(--text-2); line-height: 1.65; margin-bottom: 16px; }
.tool-about-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.taf-item {
  font-size: 13px; color: var(--text-2); font-weight: 500;
  display: flex; align-items: center; gap: 6px;
}

/* Sidebar */
.tool-sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-ad { margin-bottom: 4px; }
.related-tools .related-title, .other-cats .related-title {
  font-size: 15px; margin-bottom: 14px; color: var(--text);
}
.related-list { display: flex; flex-direction: column; gap: 4px; }
.related-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--r-sm);
  font-size: 13px; color: var(--text-2); font-weight: 500;
  transition: var(--t); border: 1px solid transparent;
}
.related-item:hover { background: var(--bg); border-color: var(--border); color: var(--blue); }
.ri-icon { font-size: 18px; width: 24px; text-align: center; flex-shrink: 0; }
.ri-name { flex: 1; }
.ri-arrow { color: var(--text-4); font-size: 13px; }
.ri-count { font-size: 11px; color: var(--text-4); background: var(--bg); padding: 2px 7px; border-radius: var(--r-full); }
.related-all { border-top: 1px solid var(--border); margin-top: 6px; color: var(--blue); }

/* ── CATEGORY PAGE ──────────────────────────────────────────── */
.cat-page-hero { background: var(--navy); padding: 36px 0 44px; }
.cat-page-hero-content { display: flex; align-items: center; gap: 20px; }
.cat-page-icon {
  font-size: 40px; width: 72px; height: 72px; flex-shrink: 0;
  background: var(--cat-bg, #EFF6FF); border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
}
.cat-page-title { font-size: clamp(24px, 4vw, 36px); color: var(--white); margin-bottom: 6px; }
.cat-page-desc { font-size: 15px; color: rgba(255,255,255,.6); }

/* ── FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--navy); color: rgba(255,255,255,.6);
  padding: 60px 0 0;
}
.footer-inner { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-logo {
  font-family: 'Sora', sans-serif;
  font-size: 24px; font-weight: 800;
  color: var(--white); display: inline-block; margin-bottom: 12px;
}
.footer-logo em { color: var(--amber); font-style: normal; }
.footer-tagline { font-size: 14px; line-height: 1.65; margin-bottom: 20px; max-width: 280px; }
.footer-trust { display: flex; flex-wrap: wrap; gap: 6px; }
.trust-badge {
  font-size: 11px; font-weight: 600; color: var(--green);
  background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.2);
  padding: 3px 9px; border-radius: var(--r-full);
}
.footer-col-title { font-size: 12px; font-weight: 700; color: var(--white); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links li a { font-size: 13.5px; transition: var(--t); }
.footer-links li a:hover { color: var(--white); }
.footer-bottom {
  padding: 24px 0; display: flex;
  justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: 12.5px; max-width: 600px; line-height: 1.5; }
.footer-legal-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal-nav a { font-size: 13px; transition: var(--t); }
.footer-legal-nav a:hover { color: var(--white); }

/* Back to Top */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 400;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--navy); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.1);
  opacity: 0; pointer-events: none; transition: var(--t);
  transform: translateY(8px);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--blue); }

/* ── ANIMATIONS ─────────────────────────────────────────────── */
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
.fade-in { animation: fadeIn .3s ease; }

/* ── PRINT ──────────────────────────────────────────────────── */
@media print {
  .site-header, .site-footer, .ad-zone, .back-to-top, .search-overlay { display: none !important; }
  .tool-layout { grid-template-columns: 1fr; }
  .tool-sidebar { display: none; }
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */

/* Tablet */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .tool-layout { grid-template-columns: 1fr 290px; }
}

@media (max-width: 900px) {
  .tool-layout { grid-template-columns: 1fr; }
  .tool-sidebar { order: -1; }
  .sidebar-ad { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cat-cards-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

/* Mobile Nav */
@media (max-width: 768px) {
  .primary-nav {
    position: fixed; inset: var(--header-h) 0 0 0;
    background: var(--navy); z-index: 400;
    padding: 20px; overflow-y: auto;
    transform: translateX(-100%);
    transition: transform var(--t-slow);
    flex-direction: column; align-items: flex-start;
  }
  .primary-nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; width: 100%; gap: 4px; }
  .nav-link { padding: 12px 16px; font-size: 16px; width: 100%; }
  .nav-arrow { display: none; }
  .nav-dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: rgba(255,255,255,.05); border-radius: var(--r); margin-top: 4px; padding: 8px; }
  .nav-dropdown { display: none; }
  .nav-item.open .nav-dropdown { display: block; }
  .mobile-menu-btn { display: flex; }
  .search-toggle span { display: none; }

  /* Hero */
  .hero { padding: 56px 0 64px; }
  .hero-stats { gap: 16px; }
  .hero-stat { padding: 0 16px; }
  .hero-stat-divider { height: 28px; }
  .hs-num { font-size: 26px; }

  /* Tools */
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
  .tool-card { padding: 14px; }
  .tool-card-icon { width: 36px; height: 36px; font-size: 20px; }
  .tool-card-name { font-size: 12.5px; }

  /* Tool Page */
  .tool-hero-content { flex-direction: column; align-items: flex-start; gap: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .results-primary { grid-template-columns: 1fr 1fr; }
  .tool-about-features { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal-nav { justify-content: center; }

  /* Filter */
  .filter-bar { gap: 6px; }
  .filter-pill { padding: 6px 12px; font-size: 12px; }
}

@media (max-width: 480px) {
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .cat-cards-grid { grid-template-columns: 1fr 1fr; }
  .hero-shortcuts { justify-content: flex-start; }
  .results-primary { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 380px) {
  .tools-grid { grid-template-columns: 1fr; }
  .cat-cards-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
}