/* =============================================================
   GCS Oman — Tools & Calculators
   Design system v2: refined gold + slate, dark mode, motion
   - WCAG 2.1 AA contrast on all states
   - Honors prefers-reduced-motion
   - Print-ready
   ============================================================= */

/* ---------- Brand tokens (light) ---------- */
:root {
  --gold-50:  #FFF8E5;
  --gold-100: #FCEDBE;
  --gold-200: #F5DA8A;
  --gold-300: #EDC65A;
  --gold-400: #D4A017;
  --gold-500: #B8890C;
  --gold-600: #8E6906;
  --gold-700: #6B4E00;

  --slate-50:  #F7F8FA;
  --slate-100: #EEF0F4;
  --slate-200: #E2E5EA;
  --slate-300: #C9CED6;
  --slate-400: #8C95A2;
  --slate-500: #5A6573;
  --slate-600: #3F4855;
  --slate-700: #2A323D;
  --slate-800: #1B2129;
  --slate-900: #0F141A;

  --blue-500: #1E94C9;
  --blue-600: #1880AD;

  /* Status (WCAG-AA on white) */
  --safe-bg:    #DCFCE7; --safe-fg:    #14532D; --safe-line:    #16A34A;
  --warn-bg:    #FEF3C7; --warn-fg:    #7C4A00; --warn-line:    #D97706;
  --danger-bg:  #FEE2E2; --danger-fg:  #7F1D1D; --danger-line:  #DC2626;
  --extreme-bg: #EDE9FE; --extreme-fg: #4C1D95; --extreme-line: #6D28D9;

  /* Semantic (light) */
  --bg:        #ffffff;
  --bg-soft:   #F7F8FA;
  --bg-card:   #ffffff;
  --bg-elev:   #ffffff;
  --bg-input:  #ffffff;
  --border:    #E2E5EA;
  --border-strong: #C9CED6;
  --text:      #0F141A;
  --text-muted:#5A6573;
  --text-on-gold: #ffffff;
  --link:      #8E6906;
  --link-hover:#6B4E00;
  --brand:     #B8890C;
  --brand-strong: #8E6906;
  --accent:    #1880AD;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.05), 0 1px 1px rgba(15,23,42,.04);
  --shadow:    0 4px 14px rgba(15,23,42,.07), 0 1px 3px rgba(15,23,42,.05);
  --shadow-lg: 0 14px 40px rgba(15,23,42,.10), 0 4px 12px rgba(15,23,42,.06);
  --ring:      0 0 0 3px rgba(212,160,23,.30);
  --ring-strong: 0 0 0 3px rgba(184,137,12,.55);

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 18px;
  --radius-xl: 26px;

  --maxw: 1200px;
  --gutter: 20px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

  --t-fast:   140ms cubic-bezier(.2,.8,.2,1);
  --t-base:   220ms cubic-bezier(.2,.8,.2,1);
  --t-slow:   420ms cubic-bezier(.2,.8,.2,1);
}

/* ---------- Dark theme ---------- */
[data-theme="dark"] {
  --bg:        #0F141A;
  --bg-soft:   #161C24;
  --bg-card:   #1B2129;
  --bg-elev:   #232B36;
  --bg-input:  #1B2129;
  --border:    #2A323D;
  --border-strong: #3F4855;
  --text:      #ECEEF1;
  --text-muted:#A8B0BC;
  --link:      #EDC65A;
  --link-hover:#F5DA8A;
  --brand:     #EDC65A;
  --brand-strong: #F5DA8A;
  --accent:    #29ABE2;

  --safe-bg:    #052E18; --safe-fg:    #86EFAC; --safe-line:    #22C55E;
  --warn-bg:    #3B2A05; --warn-fg:    #FCD34D; --warn-line:    #F59E0B;
  --danger-bg:  #3F1212; --danger-fg:  #FCA5A5; --danger-line:  #EF4444;
  --extreme-bg: #261157; --extreme-fg: #C4B5FD; --extreme-line: #8B5CF6;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.5);
  --shadow:    0 4px 14px rgba(0,0,0,.55), 0 1px 3px rgba(0,0,0,.5);
  --shadow-lg: 0 14px 40px rgba(0,0,0,.55);
  --ring:      0 0 0 3px rgba(237,198,90,.32);
  --ring-strong: 0 0 0 3px rgba(245,218,138,.55);
}

/* Auto dark when no explicit choice */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:#0F141A; --bg-soft:#161C24; --bg-card:#1B2129; --bg-elev:#232B36; --bg-input:#1B2129;
    --border:#2A323D; --border-strong:#3F4855; --text:#ECEEF1; --text-muted:#A8B0BC;
    --link:#EDC65A; --link-hover:#F5DA8A; --brand:#EDC65A; --brand-strong:#F5DA8A; --accent:#29ABE2;
    --safe-bg:#052E18; --safe-fg:#86EFAC; --safe-line:#22C55E;
    --warn-bg:#3B2A05; --warn-fg:#FCD34D; --warn-line:#F59E0B;
    --danger-bg:#3F1212; --danger-fg:#FCA5A5; --danger-line:#EF4444;
    --extreme-bg:#261157; --extreme-fg:#C4B5FD; --extreme-line:#8B5CF6;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.5);
    --shadow:    0 4px 14px rgba(0,0,0,.55), 0 1px 3px rgba(0,0,0,.5);
    --shadow-lg: 0 14px 40px rgba(0,0,0,.55);
    --ring: 0 0 0 3px rgba(237,198,90,.32);
  }
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-soft);
  color: var(--text);
  line-height: 1.6;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, canvas { max-width: 100%; display: block; }
a { color: var(--link); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--link-hover); text-decoration: underline; text-underline-offset: 3px; }
:focus-visible {
  outline: none;
  box-shadow: var(--ring-strong);
  border-radius: 6px;
}
hr { border: none; border-top: 1px solid var(--border); margin: 28px 0; }
::selection { background: var(--gold-200); color: var(--slate-900); }

/* Skip link */
.skip-link {
  position: absolute;
  top: -42px;
  left: 12px;
  background: var(--brand-strong);
  color: #fff;
  padding: 8px 14px;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  z-index: 200;
  transition: top var(--t-base);
}
.skip-link:focus {
  top: 0;
  text-decoration: none;
  color: #fff;
}

/* ---------- Header ---------- */
.site-header {
  background: color-mix(in srgb, var(--bg-card) 92%, transparent);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px var(--gutter);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
  border-radius: 8px;
  padding: 4px;
  margin: -4px;
  transition: transform var(--t-fast);
}
.brand:hover { text-decoration: none; transform: translateY(-1px); }
.brand img { height: 44px; width: auto; max-width: 220px; transition: filter var(--t-fast); }
[data-theme="dark"] .brand img { filter: brightness(1.05); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand img { filter: brightness(1.05); }
}

.brand-fallback {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 22px; letter-spacing: 1px;
  color: var(--brand-strong);
}
.brand-fallback small {
  display: block; color: var(--text-muted);
  font-size: 10px; font-weight: 600; line-height: 1.2;
  letter-spacing: .8px; text-transform: uppercase;
}

.main-nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
.main-nav a, .main-nav .nav-trigger {
  position: relative;
  color: var(--text);
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast);
  background: transparent;
  border: none;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.main-nav a:hover, .main-nav .nav-trigger:hover, .main-nav .nav-trigger[aria-expanded="true"] {
  background: var(--bg-soft);
  color: var(--brand-strong);
  text-decoration: none;
}
.main-nav a.active, .main-nav .nav-group.has-active > .nav-trigger {
  color: var(--brand-strong);
}
.main-nav a.active::after, .main-nav .nav-group.has-active > .nav-trigger::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 2px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
  animation: navUnderline var(--t-base);
}

/* ---- Nav dropdowns ---- */
.nav-group { position: relative; }
.nav-trigger .chev {
  width: 10px; height: 10px;
  transition: transform var(--t-fast);
}
.nav-trigger[aria-expanded="true"] .chev { transform: rotate(180deg); }

.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 240px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity var(--t-fast), transform var(--t-fast), visibility var(--t-fast);
  z-index: 60;
}
.nav-group:hover > .nav-dropdown,
.nav-group:focus-within > .nav-dropdown,
.nav-trigger[aria-expanded="true"] + .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: background var(--t-fast);
  white-space: normal;
}
.nav-dropdown a:hover { background: var(--bg-soft); color: var(--brand-strong); text-decoration: none; }
.nav-dropdown a.active { background: var(--bg-soft); color: var(--brand-strong); }
.nav-dropdown a small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 1px;
}
.nav-dropdown a .ico {
  flex: 0 0 26px;
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--gold-100), var(--gold-200));
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.nav-dropdown a:hover small { color: var(--text); }
.nav-dropdown a.active::after { display: none; }
@keyframes navUnderline { from { transform: scaleX(0); transform-origin: left; } to { transform: scaleX(1); } }

.theme-toggle, .nav-toggle {
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  color: var(--text);
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}
.theme-toggle:hover, .nav-toggle:hover {
  background: var(--bg-card);
  border-color: var(--brand);
  color: var(--brand-strong);
}
/* SVG inside header buttons — explicit dimensions + inline-block so
   width/height can never collapse, and currentColor stroke/fill works. */
.theme-toggle svg, .nav-toggle svg, .search-trigger svg {
  display: inline-block;
  flex-shrink: 0;
  width: 18px; height: 18px;
  pointer-events: none;
}
.nav-toggle svg { width: 20px; height: 20px; fill: currentColor; }
.search-trigger svg { width: 14px; height: 14px; opacity: .85; }

/* Default (light): moon visible, sun hidden */
.theme-toggle .moon { display: inline-block; }
.theme-toggle .sun  { display: none; }
/* Explicit dark theme: swap to sun */
[data-theme="dark"] .theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun  { display: inline-block; }
/* System dark when user hasn't picked light */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .sun  { display: inline-block; }
}
.nav-toggle { display: none; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 8px;
    gap: 0;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    justify-content: flex-start;
    animation: dropDown .2s ease-out;
  }
  .main-nav.open { display: flex; }
  .main-nav > a, .main-nav .nav-trigger {
    padding: 12px 14px; border-radius: 0; width: 100%; text-align: left;
    justify-content: flex-start;
  }
  .main-nav a.active::after, .main-nav .nav-group.has-active > .nav-trigger::after { display: none; }
  .main-nav > a.active { background: var(--bg-soft); }
  /* dropdown becomes inline disclosure on mobile */
  .nav-group { width: 100%; }
  .nav-trigger { width: 100%; }
  .nav-dropdown {
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 6px 16px;
    border-left: 2px solid var(--gold-200);
    margin: 0 0 0 18px;
    opacity: 1; visibility: visible; transform: none;
    display: none;
    min-width: 0;
  }
  .nav-trigger[aria-expanded="true"] + .nav-dropdown { display: flex; }
  .nav-dropdown a { padding: 8px 12px; }
}
@keyframes dropDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---------- Layout ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px var(--gutter);
}
.page-hero {
  background: linear-gradient(135deg, var(--bg) 0%, color-mix(in srgb, var(--gold-100) 60%, var(--bg)) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, color-mix(in srgb, var(--gold-300) 60%, transparent), transparent 60%);
  border-radius: 50%;
  pointer-events: none;
  opacity: .55;
}
.page-hero .container { padding: 38px var(--gutter) 30px; position: relative; z-index: 1; }
.page-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 3.5vw, 36px);
  color: var(--text);
  font-weight: 800;
  letter-spacing: -.02em;
}
.page-hero .crumb {
  font-size: 12px; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 1.5px; margin-bottom: 8px; font-weight: 700;
  display: inline-flex; align-items: center; gap: 6px;
}
.page-hero .crumb a { color: var(--text-muted); text-decoration: none; }
.page-hero .crumb a:hover { color: var(--brand-strong); }
.page-hero .crumb span { color: var(--brand-strong); }
.page-hero p { margin: 0; max-width: 780px; color: var(--text-muted); font-size: 15.5px; }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  background: linear-gradient(140deg, var(--bg) 0%, color-mix(in srgb, var(--gold-100) 65%, var(--bg)) 60%, color-mix(in srgb, var(--gold-200) 65%, var(--bg)) 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--gold-300) 35%, transparent) 0, transparent 40%),
    radial-gradient(circle at 8% 100%, color-mix(in srgb, var(--blue-500) 20%, transparent) 0, transparent 35%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px var(--gutter) 72px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 940px) { .hero-inner { grid-template-columns: 1fr; padding: 40px var(--gutter) 48px; gap: 32px; } }
.hero h1 {
  font-size: clamp(30px, 4.6vw, 50px);
  margin: 12px 0 14px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.1;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--brand) 20%, var(--gold-300) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero p {
  font-size: 17px;
  color: var(--text-muted);
  margin: 0 0 26px;
  max-width: 540px;
}
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin-top: 32px; max-width: 560px;
}
.hero-stat {
  background: color-mix(in srgb, var(--bg-card) 70%, transparent);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
}
.hero-stat strong {
  display: block;
  font-size: 26px;
  color: var(--brand-strong);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.hero-stat span { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.2px; }

.hero-art {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 22px 24px;
  position: relative;
}
.hero-art h3 { margin: 0 0 12px; color: var(--text); font-size: 15px; font-weight: 700; letter-spacing: .3px; }
.hero-art ul { margin: 0; padding: 0; list-style: none; }
.hero-art li {
  padding: 9px 0;
  font-size: 13.5px;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px dashed var(--border);
}
.hero-art li:last-child { border-bottom: none; }
.hero-art li::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--brand);
  border-radius: 50%;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 22%, transparent);
}

/* Animated SVG industrial illustration in hero */
.hero-illus {
  width: 100%;
  height: 240px;
  margin-bottom: 14px;
}
.hero-illus .gear { transform-origin: 100px 80px; animation: spin 12s linear infinite; }
.hero-illus .gear-2 { transform-origin: 240px 60px; animation: spin 8s linear infinite reverse; }
.hero-illus .pulse { animation: pulse 2.4s ease-in-out infinite; }
.hero-illus .signal-1 { animation: signal 2.4s ease-out infinite; }
.hero-illus .signal-2 { animation: signal 2.4s ease-out infinite .8s; }
.hero-illus .signal-3 { animation: signal 2.4s ease-out infinite 1.6s; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@keyframes signal { 0% { r: 0; opacity: .8; } 100% { r: 60; opacity: 0; } }

/* ---------- Cards / sections ---------- */
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 26px;
  margin-bottom: 28px;
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.tool-card:hover { box-shadow: var(--shadow); }
.tool-card h2 {
  margin: 0 0 4px;
  font-size: 22px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -.01em;
}
.tool-card .tool-num {
  background: linear-gradient(135deg, var(--gold-300) 0%, var(--brand) 100%);
  color: var(--text-on-gold);
  width: 32px; height: 32px;
  border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800;
  box-shadow: 0 4px 10px color-mix(in srgb, var(--brand) 28%, transparent);
}
.tool-card .desc {
  color: var(--text-muted);
  margin: 0 0 22px;
  font-size: 14px;
}
.tool-card .desc code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 12.5px;
}

.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 760px) {
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
}

.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 36px 0 18px;
  color: var(--text);
}
.section-title h2 { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -.01em; }
.section-title .line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border) 0%, transparent 100%);
}

/* Category cards (home) */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1000px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .cat-grid { grid-template-columns: 1fr; } }
.cat-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  color: var(--text);
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}
.cat-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, color-mix(in srgb, var(--brand) 0%, transparent) 0%, color-mix(in srgb, var(--brand) 8%, transparent) 100%);
  opacity: 0;
  transition: opacity var(--t-base);
  pointer-events: none;
}
.cat-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.cat-card:hover::before { opacity: 1; }
.cat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold-100), var(--gold-200));
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 24px;
  position: relative; z-index: 1;
  transition: transform var(--t-base);
}
.cat-card:hover .cat-icon { transform: scale(1.06) rotate(-3deg); }
.cat-card h3 { margin: 0; font-size: 17px; color: var(--text); position: relative; z-index: 1; }
.cat-card p { margin: 0; color: var(--text-muted); font-size: 13.5px; position: relative; z-index: 1; }
.cat-card .tools-list {
  font-size: 12px;
  color: var(--brand-strong);
  font-weight: 700;
  margin-top: auto;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 4px;
}
.cat-card .arrow { transition: transform var(--t-base); }
.cat-card:hover .arrow { transform: translateX(3px); }

/* ---------- Form controls ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex; align-items: center; gap: 6px;
}
.field .hint {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.45;
}
.field .row-with-value {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.field .row-with-value output {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 6px;
  min-width: 70px;
  text-align: center;
  color: var(--brand-strong);
}

input[type=number],
input[type=text],
input[type=email],
input[type=tel],
input[type=search],
input[type=date],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  appearance: none;
  -webkit-appearance: none;
}
select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%235A6573' d='M6 8 0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
[data-theme="dark"] select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%23A8B0BC' d='M6 8 0 0h12z'/></svg>");
}
input:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--ring);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: .7; }
.input-row {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 8px;
}
.input-row select { padding-right: 32px; }

/* Range slider */
input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand) var(--p, 50%), var(--border) var(--p, 50%));
  cursor: pointer;
  margin: 8px 0;
  padding: 0;
  border: none;
  transition: background var(--t-fast);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  background: var(--bg-card);
  border: 3px solid var(--brand);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
input[type=range]::-moz-range-thumb {
  width: 20px; height: 20px;
  background: var(--bg-card);
  border: 3px solid var(--brand);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
input[type=range]:focus-visible::-webkit-slider-thumb { box-shadow: var(--ring-strong); transform: scale(1.1); }
input[type=range]:active::-webkit-slider-thumb { transform: scale(1.18); }
input[type=range].track-blue {
  background: linear-gradient(90deg, var(--accent) var(--p, 50%), var(--border) var(--p, 50%));
}
input[type=range].track-blue::-webkit-slider-thumb { border-color: var(--accent); }

/* Segmented control */
.seg {
  display: inline-flex;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
  flex-wrap: wrap;
}
.seg input { display: none; }
.seg label {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: background var(--t-fast), color var(--t-fast);
  user-select: none;
}
.seg label:hover { color: var(--text); }
.seg input:checked + label {
  background: var(--bg-card);
  color: var(--brand-strong);
  box-shadow: var(--shadow-sm);
}
.seg input:focus-visible + label { box-shadow: var(--ring); }

/* Buttons */
button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--gold-300), var(--brand));
  color: var(--text-on-gold);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: filter var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  font-family: inherit;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
button:hover, .btn:hover {
  filter: brightness(1.04);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  color: var(--text-on-gold);
}
button:active, .btn:active { transform: translateY(0); filter: brightness(.98); }
button:focus-visible, .btn:focus-visible { box-shadow: var(--ring-strong); }

.btn.secondary {
  background: var(--bg-card);
  color: var(--text);
  border-color: var(--border);
}
.btn.secondary:hover { background: var(--bg-soft); color: var(--text); border-color: var(--border-strong); }
.btn.ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn.ghost:hover { background: var(--bg-soft); color: var(--text); }
.btn.danger { background: var(--danger-line); color: #fff; }
.btn.sm { padding: 6px 12px; font-size: 13px; }
.btn.lg { padding: 12px 22px; font-size: 15px; }

.actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  margin-top: 18px;
}

/* ---------- Tooltips ---------- */
.tip {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text-muted);
  color: var(--bg-card);
  font-size: 10.5px;
  font-weight: 700;
  cursor: help;
  position: relative;
  transition: background var(--t-fast);
}
.tip:hover, .tip:focus-visible { background: var(--brand-strong); }
.tip::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%; bottom: calc(100% + 8px);
  transform: translateX(-50%) translateY(4px);
  background: var(--slate-800);
  color: #fff;
  padding: 8px 11px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 500;
  line-height: 1.45;
  width: max-content;
  max-width: 240px;
  white-space: normal;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base);
  z-index: 10;
  box-shadow: var(--shadow);
}
.tip:hover::after, .tip:focus-visible::after { opacity: 1; transform: translateX(-50%); }

/* ---------- Result panels ---------- */
.result {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin-top: 14px;
  transition: border-color var(--t-base);
}
.result h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .2px;
  text-transform: uppercase;
}
.result .big {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  line-height: 1.1;
  display: inline-block;
}
.result .unit { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.kv {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--text-muted); }
.kv .v {
  color: var(--text);
  font-weight: 700;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

/* Status pills + result borders */
.status-pill {
  display: inline-flex;
  align-items: center; gap: 6px;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  background: var(--bg-soft);
  color: var(--text);
}
.pill-safe    { background: var(--safe-bg);    color: var(--safe-fg); }
.pill-warn    { background: var(--warn-bg);    color: var(--warn-fg); }
.pill-danger  { background: var(--danger-bg);  color: var(--danger-fg); }
.pill-extreme { background: var(--extreme-bg); color: var(--extreme-fg); }

.result.is-safe    { border-left-color: var(--safe-line); }
.result.is-warn    { border-left-color: var(--warn-line); }
.result.is-danger  { border-left-color: var(--danger-line); }
.result.is-extreme { border-left-color: var(--extreme-line); }

/* ---------- Tables ---------- */
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
table.data th, table.data td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.data th {
  background: var(--bg-soft);
  font-weight: 700;
  color: var(--text);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .5px;
  position: sticky; top: 0;
}
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: var(--bg-soft); }
table.data td.num { font-family: var(--mono); text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Risk matrix ---------- */
.risk-matrix {
  display: grid;
  grid-template-columns: 80px repeat(5, 1fr);
  gap: 4px;
  max-width: 720px;
  user-select: none;
}
.risk-matrix .rm-axis-y, .risk-matrix .rm-axis-x {
  background: var(--slate-700);
  color: #fff;
  padding: 8px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 4px;
}
.risk-matrix .rm-corner { background: transparent; }
.risk-cell {
  aspect-ratio: 1.5/1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 6px;
  padding: 6px;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  border: 2px solid transparent;
}
.risk-cell:hover { transform: scale(1.06); box-shadow: var(--shadow); z-index: 2; }
.risk-cell:focus-visible { outline: none; box-shadow: var(--ring-strong); transform: scale(1.06); }
.risk-cell.selected {
  outline: 3px solid var(--text);
  outline-offset: 2px;
  animation: cellPop var(--t-base) ease-out;
}
@keyframes cellPop { 0% { transform: scale(1); } 60% { transform: scale(1.18); } 100% { transform: scale(1.06); } }
.risk-cell .score { font-size: 20px; font-weight: 800; line-height: 1; }
.risk-low { background: #16A34A; }
.risk-med { background: #FACC15; color: #1F2933; }
.risk-high { background: #EA580C; }
.risk-ext { background: #B91C1C; }

/* ---------- Hierarchy / LOTO drag list ---------- */
.hoc-list, .loto-list { list-style: none; padding: 0; margin: 0; }
.hoc-item, .loto-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: grab;
  user-select: none;
  transition: transform var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}
.hoc-item:hover, .loto-item:hover { box-shadow: var(--shadow); transform: translateX(2px); }
.hoc-item:active, .loto-item:active { cursor: grabbing; }
.hoc-item.dragging, .loto-item.dragging { opacity: .5; transform: scale(.98); }
.hoc-item .grip, .loto-item .grip { color: var(--text-muted); font-size: 18px; }
.hoc-item .pos, .loto-item .pos {
  background: linear-gradient(135deg, var(--gold-300), var(--brand));
  color: #fff;
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  flex-shrink: 0;
}
.hoc-item .label, .loto-item .label { flex: 1; font-weight: 600; color: var(--text); font-size: 14.5px; }
.hoc-item.correct, .loto-item.correct { border-left-color: var(--safe-line); background: color-mix(in srgb, var(--safe-bg) 30%, var(--bg-card)); }
.hoc-item.wrong,   .loto-item.wrong   { border-left-color: var(--danger-line); background: color-mix(in srgb, var(--danger-bg) 30%, var(--bg-card)); }

/* ---------- IP code decoder ---------- */
.ip-display {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: clamp(54px, 9vw, 96px); font-weight: 900;
  color: var(--text);
  letter-spacing: 6px;
  padding: 24px 0;
  font-family: var(--mono);
}
.ip-digit {
  cursor: pointer;
  padding: 6px 16px;
  border-radius: 12px;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-base);
  border: 3px solid transparent;
}
.ip-digit:hover { border-color: var(--brand); }
.ip-digit.active {
  background: linear-gradient(135deg, var(--gold-300), var(--brand));
  color: #fff;
  transform: scale(1.05);
}
.ip-digit:focus-visible { box-shadow: var(--ring-strong); outline: none; }

/* Zone visualisation */
.zone-svg-wrap {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}
.zone-svg-wrap svg { width: 100%; height: auto; }

/* ---------- Charts ---------- */
.chart-wrap {
  background: var(--bg-card);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-top: 14px;
  position: relative;
}
.chart-wrap canvas { max-height: 300px; }

.cog-canvas-wrap {
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-soft);
  padding: 10px;
}
canvas.cog-canvas {
  background: var(--bg-card);
  width: 100%;
  height: 320px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* Sling visual */
.sling-svg {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
}
.sling-svg svg { width: 100%; height: 240px; }

/* ---------- Footer ---------- */
.site-footer {
  background: linear-gradient(180deg, var(--slate-800) 0%, var(--slate-900) 100%);
  color: #cfd3d8;
  margin-top: 64px;
  padding: 56px 0 0;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-300), var(--brand), var(--gold-300));
  background-size: 200% 100%;
  animation: gradientSlide 8s linear infinite;
}
@keyframes gradientSlide { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
.footer-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  color: #fff;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin: 0 0 14px;
  font-weight: 800;
}
.footer-grid a {
  color: #cfd3d8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  font-size: 14px;
  text-decoration: none;
  transition: color var(--t-fast), transform var(--t-fast);
}
.footer-grid a:hover { color: var(--gold-300); text-decoration: none; transform: translateX(2px); }
.footer-grid p { font-size: 14px; line-height: 1.7; margin: 0 0 8px; color: #c4c8cf; }
.footer-grid .brand-foot { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-grid .brand-foot img {
  height: 52px;
  width: auto;
  background: #fff;
  padding: 6px 10px;
  border-radius: 8px;
  max-width: 200px;
  object-fit: contain;
}
.footer-grid .links-col a { display: block; }
.footer-grid .social {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}
.footer-grid .social a {
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 9px;
  display: inline-flex;
  align-items: center; justify-content: center;
  padding: 0;
}
.footer-grid .social a:hover { background: var(--brand); border-color: transparent; color: #fff; transform: translateY(-2px); }
.footer-grid .social svg { width: 18px; height: 18px; fill: currentColor; }

.footer-bottom {
  margin-top: 40px;
  padding: 18px var(--gutter);
  background: rgba(0,0,0,.25);
  text-align: center;
  font-size: 13px;
  color: #aab0b6;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-bottom a { color: var(--gold-300); }

/* Disclaimer banner */
.disclaimer {
  background: linear-gradient(135deg, var(--gold-50), color-mix(in srgb, var(--gold-100) 50%, var(--bg-card)));
  border: 1px solid color-mix(in srgb, var(--gold-200) 70%, transparent);
  color: var(--gold-700);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin: 18px 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
[data-theme="dark"] .disclaimer { background: color-mix(in srgb, var(--gold-700) 18%, var(--bg-card)); color: var(--gold-200); border-color: color-mix(in srgb, var(--gold-500) 40%, transparent); }
.disclaimer strong { color: inherit; }
.disclaimer::before {
  content: "⚠";
  font-size: 22px;
  line-height: 1;
  color: var(--brand-strong);
}

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 16px; left: 16px; right: 16px;
  max-width: 660px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 18px 20px;
  z-index: 100;
  display: none;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  transform: translateY(40px);
  opacity: 0;
  transition: transform var(--t-slow), opacity var(--t-slow);
}
.cookie-banner.show {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}
.cookie-banner p { margin: 0; font-size: 13.5px; color: var(--text-muted); flex: 1 1 280px; line-height: 1.5; }
.cookie-banner p strong { color: var(--text); display: block; margin-bottom: 4px; font-size: 14px; }
.cookie-banner .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Animations / reveals ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s var(--t-base), transform .55s var(--t-base);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.reveal.delay-1 { transition-delay: .08s; }
.reveal.delay-2 { transition-delay: .16s; }
.reveal.delay-3 { transition-delay: .24s; }
.reveal.delay-4 { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* counter pulse on update */
.counter-pulse {
  animation: countPulse .35s ease-out;
}
@keyframes countPulse {
  0% { transform: scale(1); }
  60% { transform: scale(1.08); color: var(--brand-strong); }
  100% { transform: scale(1); }
}

/* ---------- Misc ---------- */
.legal-doc {
  background: var(--bg-card);
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.legal-doc h2 { color: var(--text); margin-top: 28px; font-weight: 800; }
.legal-doc h3 { color: var(--text); }
.legal-doc p, .legal-doc li { color: var(--text); font-size: 14.5px; line-height: 1.7; }
.legal-doc small { color: var(--text-muted); }
.legal-doc table.data { margin: 14px 0; }

.tag {
  display: inline-flex;
  align-items: center; gap: 6px;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--gold-200) 60%, var(--bg-card));
  color: var(--brand-strong);
  letter-spacing: .8px;
  text-transform: uppercase;
  border: 1px solid color-mix(in srgb, var(--gold-300) 50%, transparent);
}
.flex { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--text-muted); font-size: 13px; }
.center { text-align: center; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.hide { display: none !important; }

.badge-list { display: flex; flex-wrap: wrap; gap: 6px; }
.badge-list .b {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
  font-family: inherit;
  font-weight: 600;
}
.badge-list .b:hover { background: var(--bg-card); border-color: var(--brand); color: var(--brand-strong); }
.badge-list .b:focus-visible { box-shadow: var(--ring-strong); outline: none; }

/* Tool card prev/next nav */
.tool-nav {
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--border);
}
.tool-nav a {
  display: inline-flex; flex-direction: column; gap: 2px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  min-width: 180px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.tool-nav a:hover { border-color: var(--brand); transform: translateY(-2px); text-decoration: none; }
.tool-nav .lab { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }
.tool-nav .ttl { font-size: 14px; font-weight: 700; color: var(--text); }
.tool-nav a.next { text-align: right; margin-left: auto; }

/* Print */
@media print {
  .site-header, .site-footer, .actions-bar, .cookie-banner, .nav-toggle, .theme-toggle, .hero-cta, .skip-link, .tool-nav { display: none !important; }
  body { background: #fff; color: #000; }
  .tool-card { break-inside: avoid; box-shadow: none; border-color: #ccc; }
  .container { max-width: 100%; padding: 0 12px; }
  .page-hero { background: #fff !important; }
  a { color: #000; text-decoration: none; }
  .result { background: #fafafa; }
}

/* ============================================================
   Home page — extra sections
   ============================================================ */

/* "What's new" banner */
.whats-new {
  background: linear-gradient(135deg, color-mix(in srgb, var(--gold-100) 60%, var(--bg-card)) 0%, var(--bg-card) 100%);
  border: 1px solid color-mix(in srgb, var(--gold-200) 70%, var(--border));
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.whats-new::before {
  content: ""; position: absolute; right: -40px; top: -40px;
  width: 180px; height: 180px;
  background: radial-gradient(circle, color-mix(in srgb, var(--gold-300) 35%, transparent), transparent 60%);
  border-radius: 50%; pointer-events: none;
}
.whats-new .badge-new {
  flex: 0 0 auto; background: var(--brand); color: #fff;
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase;
}
.whats-new strong { font-size: 16px; color: var(--text); display: block; margin-bottom: 2px; font-weight: 700; }
.whats-new .desc { color: var(--text-muted); font-size: 13.5px; flex: 1 1 280px; }
.whats-new .cta { flex: 0 0 auto; }

/* Featured tools strip */
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 880px) { .featured-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .featured-grid { grid-template-columns: 1fr; } }
.featured-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
  position: relative;
  overflow: hidden;
}
.featured-card::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold-300), var(--brand));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t-base);
}
.featured-card:hover { transform: translateY(-3px); border-color: var(--brand); box-shadow: var(--shadow); text-decoration: none; }
.featured-card:hover::after { transform: scaleX(1); }
.featured-card .num {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  color: var(--brand-strong); letter-spacing: 1px;
}
.featured-card h3 { margin: 0; font-size: 16px; font-weight: 800; color: var(--text); }
.featured-card .formula {
  font-family: var(--mono); font-size: 12px;
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 4px 8px; border-radius: 6px;
  color: var(--text-muted); align-self: flex-start;
}
.featured-card .blurb { font-size: 13px; color: var(--text-muted); margin: 4px 0 0; line-height: 1.55; }
.featured-card .pill {
  display: inline-block; align-self: flex-start;
  font-size: 10px; padding: 2px 8px; border-radius: 999px;
  background: var(--gold-100); color: var(--gold-700);
  font-weight: 700; text-transform: uppercase; letter-spacing: .6px;
}
[data-theme="dark"] .featured-card .pill { background: rgba(237,198,90,.15); color: var(--gold-200); }

/* Standards strip */
.standards-strip {
  background: linear-gradient(135deg, var(--slate-700), var(--slate-800));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  margin: 28px 0;
  position: relative;
  overflow: hidden;
}
.standards-strip::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold-300), var(--brand), var(--gold-300));
}
.standards-strip h3 { margin: 0 0 14px; font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold-200); font-weight: 800; }
.standards-strip .badges { display: flex; flex-wrap: wrap; gap: 8px; }
.standards-strip .badge {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  color: #fff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .4px;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.standards-strip .badge:hover {
  background: rgba(255,255,255,.16);
  border-color: var(--gold-300);
}

/* Industries served */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .industries-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .industries-grid { grid-template-columns: repeat(2, 1fr); } }
.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px 12px;
  text-align: center;
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.industry-card:hover { transform: translateY(-2px); border-color: var(--brand); }
.industry-card .ico { font-size: 28px; display: block; margin-bottom: 6px; }
.industry-card span { font-size: 12px; font-weight: 700; color: var(--text); display: block; }
.industry-card small { font-size: 10.5px; color: var(--text-muted); display: block; margin-top: 2px; letter-spacing: .3px; }

/* CTA strip */
.cta-strip {
  background: linear-gradient(135deg, var(--gold-50) 0%, var(--gold-100) 100%);
  border: 1px solid var(--gold-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 28px 0;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] .cta-strip {
  background: linear-gradient(135deg, color-mix(in srgb, var(--gold-700) 25%, var(--bg-card)) 0%, color-mix(in srgb, var(--gold-500) 18%, var(--bg-card)) 100%);
  border-color: color-mix(in srgb, var(--gold-500) 50%, transparent);
}
.cta-strip::before {
  content: ""; position: absolute; right: -60px; bottom: -60px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, color-mix(in srgb, var(--gold-300) 35%, transparent), transparent 65%);
  border-radius: 50%; pointer-events: none;
}
.cta-strip h2 { margin: 0 0 6px; font-size: 22px; color: var(--text); font-weight: 800; }
.cta-strip p { margin: 0; color: var(--text-muted); max-width: 520px; }
.cta-strip .actions { display: flex; gap: 10px; flex-wrap: wrap; margin-left: auto; }
@media (max-width: 720px) { .cta-strip .actions { margin-left: 0; } }

/* ============================================================
   Search modal (instant) + /search.html results
   ============================================================ */
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 7px 12px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.search-trigger:hover { color: var(--text); border-color: var(--brand); background: var(--bg-card); }
.search-trigger kbd {
  font-family: var(--mono);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-left: 8px;
}
@media (max-width: 720px) {
  .search-trigger .label, .search-trigger kbd { display: none; }
}

.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 8vh 16px 16px;
  opacity: 0;
  transition: opacity var(--t-base);
}
.search-overlay.open { display: flex; opacity: 1; }
.search-modal {
  width: 100%;
  max-width: 660px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(-12px);
  transition: transform var(--t-base);
}
.search-overlay.open .search-modal { transform: translateY(0); }
.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.search-input-wrap svg { width: 18px; height: 18px; color: var(--text-muted); flex: 0 0 auto; }
.search-input-wrap input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 16px;
  color: var(--text);
  padding: 6px 0;
  font-family: inherit;
}
.search-input-wrap input::placeholder { color: var(--text-muted); }
.search-input-wrap kbd {
  font-family: var(--mono);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 3px 7px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-muted);
}
.search-results {
  max-height: 60vh;
  overflow-y: auto;
  padding: 6px;
}
.search-results .group-label {
  padding: 10px 14px 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  font-weight: 700;
}
.search-result {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  transition: background var(--t-fast);
}
.search-result:hover, .search-result.active {
  background: var(--bg-soft);
  text-decoration: none;
  color: var(--text);
}
.search-result .row {
  display: flex; align-items: center; gap: 10px;
}
.search-result .pill {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--gold-100);
  color: var(--gold-700);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
}
[data-theme="dark"] .search-result .pill { background: rgba(237,198,90,.15); color: var(--gold-200); }
.search-result .name { font-weight: 700; flex: 1; }
.search-result .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
}
.search-result .desc {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-left: 0;
  line-height: 1.45;
}
.search-result mark {
  background: color-mix(in srgb, var(--gold-200) 70%, transparent);
  color: inherit;
  border-radius: 2px;
  padding: 0 2px;
}
[data-theme="dark"] .search-result mark { background: rgba(237,198,90,.30); color: var(--text); }
.search-empty {
  padding: 36px 18px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}
.search-empty strong { display: block; color: var(--text); margin-bottom: 4px; }
.search-footer {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
  border-top: 1px solid var(--border);
  padding: 10px 16px;
  font-size: 12px;
  color: var(--text-muted);
}
.search-footer kbd {
  font-family: var(--mono);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text);
}
.search-footer .spacer { flex: 1; }

/* ============================================================
   Per-page themed footer animations
   Each <body data-page="..."> gets a topical animated SVG strip
   above the footer. Strip is decorative (aria-hidden).
   ============================================================ */
.footer-anim {
  position: relative;
  height: 90px;
  background: linear-gradient(180deg, transparent 0%, var(--slate-800) 100%);
  overflow: hidden;
}
.footer-anim svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
@media (prefers-reduced-motion: reduce) {
  .footer-anim svg, .footer-anim svg * { animation: none !important; }
}

/* shared keyframes used by per-page anims */
@keyframes fa-swing  { 0%,100% { transform: rotate(-8deg); } 50% { transform: rotate(8deg); } }
@keyframes fa-rise   { 0% { transform: translateY(40px); opacity: 0; } 30% { opacity: 1; } 100% { transform: translateY(-90px); opacity: 0; } }
@keyframes fa-spark  { 0%, 100% { opacity: 0; transform: scale(0.6); } 50% { opacity: 1; transform: scale(1); } }
@keyframes fa-flame  { 0%,100% { transform: scaleY(1) translateY(0); } 50% { transform: scaleY(1.18) translateY(-3px); } }
@keyframes fa-roll   { 0% { transform: translateX(-30%); } 100% { transform: translateX(130%); } }
@keyframes fa-grid   { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@keyframes fa-warn   { 0%, 100% { opacity: .35; transform: scale(1); } 50% { opacity: 1; transform: scale(1.1); } }
@keyframes fa-climb  { 0%   { transform: translateY(60px); opacity: 0; }
                       40%  { opacity: 1; }
                       100% { transform: translateY(-30px); opacity: 0; } }
@keyframes fa-spin360 { to { transform: rotate(360deg); } }

/* All animated SVG elements use their own bounding box as the
   transform-box, so transform-origin is local rather than the SVG
   viewport. Crucial for SVG (CSS default is "view-box"). */
.fa-crane, .fa-bubble, .fa-spark, .fa-flame, .fa-truck,
.fa-grid-cell, .fa-warn, .fa-climber, .fa-gear {
  transform-box: fill-box;
}
.fa-crane    { transform-origin: 50% 0%;   animation: fa-swing 4s ease-in-out infinite; }
.fa-bubble   { transform-origin: 50% 50%;  animation: fa-rise 3.4s ease-in infinite; }
.fa-bubble.b2 { animation-delay: .8s; }
.fa-bubble.b3 { animation-delay: 1.6s; }
.fa-bubble.b4 { animation-delay: 2.4s; }
.fa-spark    { transform-origin: 50% 50%;  animation: fa-spark 1.4s ease-in-out infinite; }
.fa-spark.s2 { animation-delay: .35s; }
.fa-spark.s3 { animation-delay: .7s;  }
.fa-flame    { transform-origin: 50% 100%; animation: fa-flame 1.1s ease-in-out infinite; }
.fa-truck    { transform-origin: 0% 50%;   animation: fa-roll 6s linear infinite; }
.fa-grid-cell{ transform-origin: 50% 50%;  animation: fa-grid 2.2s ease-in-out infinite; }
.fa-warn     { transform-origin: 50% 50%;  animation: fa-warn 1.4s ease-in-out infinite; }
.fa-climber  { transform-origin: 50% 50%;  animation: fa-climb 4.5s ease-in-out infinite; }
.fa-gear     { transform-origin: 50% 50%;  animation: fa-spin360 14s linear infinite; }
.fa-gear.alt { animation-duration: 9s; animation-direction: reverse; }


/* Toast */
.toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--slate-800);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base);
  z-index: 1000;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }