/* ==========================================================================
   Shires Tools — Core Stylesheet
   Design tokens + base layout + shared components
   ========================================================================== */

:root {
  /* Color palette */
  --color-primary: #22C55E;
  --color-primary-hover: #16A34A;
  --color-primary-rgb: 34, 197, 94;
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-dark-bg: #0F172A;
  --color-text-primary: #1E293B;
  --color-text-secondary: #64748B;
  --color-border: #E2E8F0;
  --color-success: #16A34A;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Typing-specific semantic colors (light) */
  --color-correct: #16A34A;
  --color-incorrect: #EF4444;
  --color-pending: #94A3B8;
  --color-current-bg: rgba(34, 197, 94, 0.14);

  /* Surfaces / elevation */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 0 4px rgba(34, 197, 94, 0.12);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --fs-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --fs-sm: clamp(0.875rem, 0.84rem + 0.18vw, 0.9375rem);
  --fs-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --fs-lg: clamp(1.125rem, 1.06rem + 0.3vw, 1.25rem);
  --fs-xl: clamp(1.375rem, 1.28rem + 0.5vw, 1.625rem);
  --fs-2xl: clamp(1.75rem, 1.55rem + 1vw, 2.25rem);
  --fs-3xl: clamp(2.25rem, 1.9rem + 1.75vw, 3.25rem);
  --fs-4xl: clamp(2.75rem, 2.2rem + 2.5vw, 4.25rem);

  --lh-tight: 1.15;
  --lh-snug: 1.35;
  --lh-normal: 1.6;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 450ms cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: light;
}

/* Dark mode token overrides */
html[data-theme="dark"] {
  --color-bg: #0F172A;
  --color-surface: #16213A;
  --color-text-primary: #F1F5F9;
  --color-text-secondary: #94A3B8;
  --color-border: #263349;
  --color-current-bg: rgba(34, 197, 94, 0.18);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

* { margin: 0; padding: 0; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button { cursor: pointer; }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
}

/* Focus visibility — accessibility requirement, never suppressed */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: rgba(var(--color-primary-rgb), 0.25);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -48px;
  left: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
  font-weight: 600;
}
.skip-link:focus { top: var(--space-4); }

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section {
  padding-block: var(--space-20);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-hover);
  background: rgba(var(--color-primary-rgb), 0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-header h2 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-4);
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: var(--fs-lg);
  line-height: var(--lh-snug);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
}

/* The glass/blur effect lives on a pseudo-element rather than directly on
   .site-header. backdrop-filter (like transform) creates a new containing
   block for any position:fixed descendant — if it sat on .site-header
   itself, the fixed mobile-nav drawer would size itself against the 72px
   header instead of the viewport and collapse to almost nothing. */
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(248, 250, 252, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  transition: background-color var(--transition-base);
}

html[data-theme="dark"] .site-header::before {
  background: rgba(15, 23, 42, 0.75);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: var(--fs-lg);
  flex-shrink: 0;
  color: var(--color-text-primary);
}

.logo .logo-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.logo .logo-mark svg { width: 20px; height: 20px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-4);
}

/* Hidden on desktop by default — only shown inside the mobile drawer
   (see responsive.css ≤768px), so it doesn't render inline in the
   horizontal desktop nav bar next to the real header search box. */
.mobile-search {
  display: none;
}

.main-nav a {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.main-nav a:hover, .main-nav a.active {
  color: var(--color-text-primary);
  background: rgba(var(--color-primary-rgb), 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}

.header-search {
  position: relative;
  width: 260px;
  flex-shrink: 1;
}

.header-search input {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-3) 0 38px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--fs-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.header-search svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-secondary);
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 50;
  max-height: 340px;
  overflow-y: auto;
}

.search-results:empty { display: none; }

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover, .search-result-item:focus-visible { background: var(--color-bg); }

.search-result-item .icon-wrap {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary-hover);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.search-result-item .icon-wrap svg { width: 16px; height: 16px; }

.search-result-item .text-wrap { min-width: 0; }
.search-result-item .title { font-weight: 600; font-size: var(--fs-sm); }
.search-result-item .desc {
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.search-result-item mark {
  background: rgba(var(--color-primary-rgb), 0.28);
  color: inherit;
  border-radius: 2px;
}

.search-empty {
  padding: var(--space-4);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
}

.theme-toggle, .menu-toggle {
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
  flex-shrink: 0;
}
.theme-toggle:hover, .menu-toggle:hover { border-color: var(--color-primary); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.menu-toggle { display: none; }
.menu-toggle svg { width: 20px; height: 20px; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 46px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--fs-sm);
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
  overflow: hidden;
  isolation: isolate;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.35);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(var(--color-primary-rgb), 0.4); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover { color: var(--color-text-primary); background: rgba(var(--color-primary-rgb), 0.08); }

.btn-sm { height: 38px; padding: 0 var(--space-4); font-size: var(--fs-xs); }
.btn-lg { height: 52px; padding: 0 var(--space-8); font-size: var(--fs-base); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: scale(0);
  animation: ripple-effect 600ms ease-out;
  pointer-events: none;
}
.btn-secondary .ripple, .btn-ghost .ripple { background: rgba(var(--color-primary-rgb), 0.25); }

.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  animation: spin 700ms linear infinite;
}
.btn-secondary.is-loading::after, .btn-ghost.is-loading::after {
  border-color: rgba(var(--color-primary-rgb), 0.25);
  border-top-color: var(--color-primary);
}

.icon-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.icon-btn:hover { color: var(--color-primary-hover); border-color: var(--color-primary); transform: translateY(-1px); }
.icon-btn svg { width: 18px; height: 18px; }

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

.hero {
  position: relative;
  padding-block: var(--space-24) var(--space-20);
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 600px;
  background:
    radial-gradient(600px circle at 20% 20%, rgba(var(--color-primary-rgb), 0.16), transparent 60%),
    radial-gradient(500px circle at 80% 10%, rgba(var(--color-primary-rgb), 0.12), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--color-border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 30%, transparent 75%);
  opacity: 0.5;
  z-index: 0;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-4) var(--space-1) var(--space-1);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}

.hero-badge .dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(var(--color-primary-rgb), 0.15);
  color: var(--color-primary-hover);
  display: flex; align-items: center; justify-content: center;
}
.hero-badge .dot svg { width: 12px; height: 12px; }

.hero h1 {
  font-size: var(--fs-4xl);
  max-width: 880px;
  margin-inline: auto;
  margin-bottom: var(--space-5);
}

.hero h1 .accent {
  background: linear-gradient(100deg, var(--color-primary) 0%, var(--color-primary-hover) 60%, #0EA5E9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text-secondary);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: var(--lh-snug);
}

.hero-search {
  max-width: 560px;
  margin: 0 auto var(--space-8);
  position: relative;
}

.hero-search input {
  width: 100%;
  height: 58px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0 var(--space-6) 0 54px;
  font-size: var(--fs-base);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.hero-search input:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--shadow-lg), var(--shadow-glow); }

.hero-search svg {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px; height: 20px;
  color: var(--color-text-secondary);
  pointer-events: none;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.hero-stats .stat { text-align: center; }
.hero-stats .stat-value {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
}
.hero-stats .stat-label {
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

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

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.tool-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.tool-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(var(--color-primary-rgb), 0.4);
}

.tool-card .card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.tool-card .icon-wrap {
  width: 46px; height: 46px;
  border-radius: var(--radius-md);
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary-hover);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition-base), background-color var(--transition-base);
  flex-shrink: 0;
}
.tool-card:hover .icon-wrap { transform: scale(1.08) rotate(-4deg); background: var(--color-primary); color: #fff; }
.tool-card .icon-wrap svg { width: 22px; height: 22px; }

.tool-card .badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: rgba(var(--color-primary-rgb), 0.12);
  color: var(--color-primary-hover);
}
.tool-card .badge.new { background: rgba(245, 158, 11, 0.15); color: #B45309; }

.tool-card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-1); }
.tool-card p { color: var(--color-text-secondary); font-size: var(--fs-sm); line-height: var(--lh-snug); flex: 1; }

.tool-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary-hover);
}
.tool-card .card-link svg { width: 14px; height: 14px; transition: transform var(--transition-fast); }
.tool-card:hover .card-link svg { transform: translateX(4px); }

.tool-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* ==========================================================================
   Features
   ========================================================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-item {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.feature-item .icon-wrap {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-dark-bg);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.feature-item .icon-wrap svg { width: 20px; height: 20px; }

.feature-item h3 { font-size: var(--fs-base); margin-bottom: var(--space-2); }
.feature-item p { font-size: var(--fs-sm); color: var(--color-text-secondary); }

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-weight: 600;
  font-size: var(--fs-base);
}

.faq-question .chevron {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--color-text-secondary);
  transition: transform var(--transition-base);
}

.faq-item[data-open="true"] .chevron { transform: rotate(180deg); color: var(--color-primary-hover); }

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}
.faq-item[data-open="true"] .faq-answer { grid-template-rows: 1fr; }
.faq-answer-inner { overflow: hidden; }
.faq-answer p {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-text-secondary);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
}

/* ==========================================================================
   CTA band
   ========================================================================== */

.cta-band {
  background: var(--color-dark-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-inline: var(--space-6);
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at 50% 0%, rgba(var(--color-primary-rgb), 0.25), transparent 70%);
}

.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: var(--fs-2xl); margin-bottom: var(--space-3); }
.cta-band p { color: #94A3B8; margin-bottom: var(--space-8); max-width: 480px; margin-inline: auto; }

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

.site-footer {
  background: var(--color-dark-bg);
  color: #94A3B8;
  padding-block: var(--space-16) var(--space-8);
  margin-top: var(--space-20);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: var(--space-8);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo { color: #fff; margin-bottom: var(--space-4); }
.footer-brand p { font-size: var(--fs-sm); max-width: 280px; line-height: var(--lh-normal); }

.footer-social {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.footer-social a:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px); }
.footer-social svg { width: 16px; height: 16px; }

.footer-col h4 {
  color: #fff;
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: var(--fs-sm); transition: color var(--transition-fast); }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  font-size: var(--fs-xs);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom-links { display: flex; gap: var(--space-5); }

/* ==========================================================================
   Breadcrumbs (tool pages)
   ========================================================================== */

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
  padding-block: var(--space-5);
}
.breadcrumbs a { font-weight: 600; transition: color var(--transition-fast); }
.breadcrumbs a:hover { color: var(--color-primary-hover); }
.breadcrumbs svg { width: 12px; height: 12px; }
.breadcrumbs .current { color: var(--color-text-primary); font-weight: 600; }

/* ==========================================================================
   Toast
   ========================================================================== */

.toast-region {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 1000;
  width: min(92vw, 380px);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-dark-bg);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--fs-sm);
  font-weight: 500;
}
.toast .icon-wrap {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(var(--color-primary-rgb), 0.2);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.toast .icon-wrap svg { width: 14px; height: 14px; }

/* ==========================================================================
   Skeleton / lazy placeholders
   ========================================================================== */

.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, rgba(255,255,255,0.6) 37%, var(--color-border) 63%);
  background-size: 400% 100%;
  border-radius: var(--radius-sm);
}