/* ============================================================
   All Your Tools — style.css
   Shared stylesheet for all pages
   ============================================================ */

/* ---------- Reset & Box-Sizing ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-primary:       #2563eb;
  --color-primary-dark:  #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-bg:            #f8fafc;
  --color-surface:       #ffffff;
  --color-text:          #111827;
  --color-text-muted:    #6b7280;
  --color-border:        #e5e7eb;
  --color-success:       #16a34a;
  --color-success-bg:    #dcfce7;
  --color-footer-bg:     #1e293b;
  --color-footer-text:   #94a3b8;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.09), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', 'Courier New', monospace;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ---------- Base Typography & Body ---------- */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

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

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: 64px;
  display: flex;
  align-items: center;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav__logo:hover {
  color: var(--color-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ---------- Hero Section ---------- */
.hero {
  padding-block: var(--space-24) var(--space-20);
  text-align: center;
  background: linear-gradient(160deg, #f0f6ff 0%, var(--color-bg) 60%);
  border-bottom: 1px solid var(--color-border);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2vw, 1.375rem);
  color: var(--color-text-muted);
  font-weight: 400;
  max-width: 520px;
}

.hero__desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 460px;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-primary);
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-surface);
  color: var(--color-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-primary);
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-base), transform var(--transition-fast);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
  color: var(--color-primary-dark);
}
.btn-inactive {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: transparent;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* ---------- Section Titles ---------- */
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--space-10);
  letter-spacing: -0.02em;
}

/* ---------- Category Nav ---------- */
.category-nav {
  position: sticky;
  top: 64px;
  z-index: 90;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding-block: 0.625rem;
}

.category-nav__list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-inline: 0.25rem;
}
.category-nav__list::-webkit-scrollbar { display: none; }

.category-nav__item {
  white-space: nowrap;
  padding: 0.375rem 1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.category-nav__item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.category-nav__item.active,
.category-nav__item--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ---------- Section Subtitle ---------- */
.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-6));
  margin-bottom: var(--space-10);
  font-size: 1rem;
}

/* ---------- Tools Section ---------- */
.tools-section {
  padding-block: var(--space-16);
}
.tools-section--all {
  padding-top: var(--space-10);
  background: var(--color-bg-alt, #f9fafb);
}

/* ---------- Category Headers ---------- */
.tools-category {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-12);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-border);
}
.tools-category:first-of-type {
  margin-top: 0;
}

/* ---------- Tool Grid ---------- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* ---------- Tool Cards ---------- */
.tool-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.tool-card__icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.tool-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.tool-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  flex: 1;
}

.tool-card .btn-primary {
  align-self: flex-start;
  margin-top: var(--space-2);
  font-size: 0.875rem;
  padding: var(--space-2) var(--space-5);
}

/* ---------- Categories Section ---------- */
.categories-section {
  padding-block: var(--space-16);
  background: var(--color-bg-alt, #f9fafb);
}

.category-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-4);
}

.category-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.category-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.category-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.category-card__icon svg {
  width: 24px;
  height: 24px;
}

.category-card__body {
  flex: 1;
  min-width: 0;
}
.category-card__name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.125rem;
}
.category-card__count {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}
.category-card__desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.category-card__arrow {
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}
.category-card:hover .category-card__arrow {
  transform: translateX(4px);
  color: var(--color-primary);
}

/* ---------- Featured Tool Cards ---------- */
.tool-card--featured {
  border-color: var(--color-primary-light);
  background: linear-gradient(145deg, #ffffff 0%, #f0f6ff 100%);
}
.tool-card--featured:hover {
  border-color: var(--color-primary);
}

/* ---------- Placeholder / Coming Soon Cards ---------- */
.tool-card--placeholder {
  opacity: 0.55;
  border: 2px dashed var(--color-border);
  box-shadow: none;
  pointer-events: none;
  background-color: #fafbfc;
}

.tool-card--placeholder:hover {
  transform: none;
  box-shadow: none;
}

.coming-soon-badge {
  display: inline-block;
  background-color: #f3f4f6;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  margin-top: auto;
}

/* ---------- Trust Section ---------- */
.trust-section {
  padding-block: var(--space-16);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.trust-card {
  text-align: center;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.trust-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.trust-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
}

.trust-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  max-width: 240px;
}

/* ---------- Coming Soon Section ---------- */
.coming-soon-section {
  padding-block: var(--space-16);
  background-color: var(--color-bg);
}

/* ---------- Form Controls ---------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group .label-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

input[type="text"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  line-height: 1.5;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* Range Slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 1px 4px rgba(37,99,235,0.3);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 6px rgba(37,99,235,0.4);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid white;
  cursor: pointer;
}

/* Checkbox */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}

input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  flex-shrink: 0;
}

input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 0px;
  width: 6px;
  height: 10px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

input[type="checkbox"]:focus {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* ---------- Result Box ---------- */
.result-box {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background-color: #f9fafb;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-5);
  min-height: 60px;
}

.result-output {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text);
  word-break: break-all;
  line-height: 1.5;
  white-space: pre-wrap;
}

/* Multi-result list box */
.result-box--list {
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
}

.result-box--list .result-output {
  white-space: pre;
}

.result-box--list .btn-copy {
  align-self: flex-end;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  font-family: var(--font-sans);
  flex-shrink: 0;
}

.btn-copy:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Copy success state */
.btn-copy--success {
  border-color: var(--color-success) !important;
  color: var(--color-success) !important;
  background-color: var(--color-success-bg) !important;
}

/* ---------- Tool Page Layout ---------- */
.tool-page {
  padding-block: var(--space-10) var(--space-16);
  min-height: calc(100vh - 64px - 240px);
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

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

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

.tool-page__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  max-width: 760px;
  margin-inline: auto;
}

/* ---------- Tool Interface Card ---------- */
.tool-interface-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  padding: var(--space-10);
}

.tool-interface-card h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.tool-tagline {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

/* Range label row */
.range-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.range-value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  min-width: 2.5rem;
  text-align: center;
}

/* Action buttons row */
.action-row {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

/* Conversion buttons grid */
.convert-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.convert-buttons .btn-ghost {
  justify-content: center;
  font-size: 0.8125rem;
  padding: var(--space-2) var(--space-3);
}

/* ---------- SEO Article ---------- */
.tool-seo {
  padding: var(--space-8) var(--space-10);
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.tool-seo h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  margin-top: var(--space-6);
  color: var(--color-text);
}

.tool-seo h2:first-child {
  margin-top: 0;
}

.tool-seo p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- Toast Notification ---------- */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  background-color: var(--color-text);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.toast--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-block: var(--space-12) var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-10);
}

.footer__brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-3);
}

.footer__brand-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-footer-text);
  max-width: 260px;
}

.footer__col-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #cbd5e1;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--color-footer-text);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: #fff;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--color-footer-text);
  line-height: 1.6;
}

.footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid #334155;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  color: #64748b;
}

/* ============================================================
   Static Pages (About, Privacy Policy)
   ============================================================ */

.static-page-hero {
  background: linear-gradient(160deg, #f0f6ff 0%, var(--color-bg) 60%);
  padding: var(--space-12) 0 var(--space-10);
  border-bottom: 1px solid var(--color-border);
}
.static-page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}
.static-page-hero__sub {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin: 0;
}

.static-page-content {
  padding-block: var(--space-12) var(--space-20);
}

.static-article {
  max-width: 720px;
}
.static-article__section {
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}
.static-article__section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.static-article__section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.static-article__section p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-3);
}
.static-article__section p:last-child { margin-bottom: 0; }
.static-article__section ul {
  margin: var(--space-3) 0 var(--space-3) var(--space-5);
  color: var(--color-text-muted);
  line-height: 1.75;
}
.static-article__section ul li { margin-bottom: var(--space-2); }
.static-article__section a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.static-article__section a:hover { text-decoration: none; }

/* About-specific */
.about-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
}
.about-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.about-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

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

/* --- 768px --- */
@media (max-width: 768px) {
  .container {
    padding-inline: var(--space-4);
  }

  .nav__links {
    gap: var(--space-5);
  }

  .hero {
    padding-block: var(--space-16) var(--space-12);
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .trust-card {
    flex-direction: row;
    text-align: left;
    padding: var(--space-4);
    gap: var(--space-4);
  }

  .trust-card p {
    max-width: none;
  }

  .footer__inner {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }

  .footer__inner > :first-child {
    grid-column: 1 / -1;
  }

  .tool-interface-card {
    padding: var(--space-6);
  }

  .tool-seo {
    padding: var(--space-6);
  }
}

/* --- 480px --- */
@media (max-width: 480px) {
  .category-cards-grid {
    grid-template-columns: 1fr;
  }
  .category-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .category-card__arrow {
    display: none;
  }

  .nav__links {
    display: none;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .action-row {
    flex-direction: column;
  }

  .action-row .btn-primary,
  .action-row .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .convert-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .result-box {
    flex-direction: column;
    align-items: stretch;
  }

  .result-box .btn-copy {
    align-self: flex-end;
  }
}

/* ---------- Hamburger Menu Button ---------- */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-2);
  transition: background-color var(--transition-fast);
}

.nav__hamburger:hover {
  background-color: var(--color-primary-light);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 480px) {
  .nav__hamburger {
    display: flex;
  }
  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-4) var(--space-6);
    gap: 0;
    z-index: 99;
  }
  .nav__links.is-open {
    display: flex;
  }
  .nav__links li {
    border-bottom: 1px solid var(--color-border);
  }
  .nav__links li:last-child {
    border-bottom: none;
  }
  .nav__links a {
    display: block;
    padding: var(--space-4) 0;
    font-size: 1rem;
    color: var(--color-text);
  }
}

/* ---------- Active Nav Link ---------- */
.nav__links a.nav__link--active {
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------- Tool Card SVG Icons ---------- */
.tool-card__icon svg {
  width: 40px;
  height: 40px;
}

/* ---------- Hero Trust Chips ---------- */
.hero__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.hero__chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}

/* ============================================================
   Result List — per-item copy buttons with animation
   ============================================================ */

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.result-list__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #f9fafb;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  animation: fadeSlideIn 220ms ease both;
}

.result-list__item:nth-child(1)  { animation-delay:   0ms; }
.result-list__item:nth-child(2)  { animation-delay:  40ms; }
.result-list__item:nth-child(3)  { animation-delay:  80ms; }
.result-list__item:nth-child(4)  { animation-delay: 120ms; }
.result-list__item:nth-child(5)  { animation-delay: 160ms; }
.result-list__item:nth-child(6)  { animation-delay: 200ms; }
.result-list__item:nth-child(7)  { animation-delay: 240ms; }
.result-list__item:nth-child(8)  { animation-delay: 280ms; }
.result-list__item:nth-child(9)  { animation-delay: 320ms; }
.result-list__item:nth-child(10) { animation-delay: 360ms; }

.result-list__text {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-text);
  word-break: break-all;
  line-height: 1.5;
}

.result-list__text--sans {
  font-family: var(--font-sans);
}

/* ============================================================
   Related Tools Section (inside tool pages)
   ============================================================ */

.related-tools {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.related-tools h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.875rem;
  color: var(--color-text);
}

.related-tools__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.625rem;
}

.related-tool-card {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 600;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.related-tool-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.related-tool-card svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ============================================================
   Tool page trust strip
   ============================================================ */
.tool-trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.tool-trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ============================================================
   Cookie Consent Banner
   ============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #1e293b;
  color: #e2e8f0;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  z-index: 9999;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.2);
}

.cookie-banner--visible {
  transform: translateY(0);
}

.cookie-banner__text {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  color: #cbd5e1;
}

.cookie-banner__text strong {
  color: #f1f5f9;
}

.cookie-banner__text a {
  color: #93c5fd;
  text-decoration: underline;
}

.cookie-banner__text a:hover {
  color: #bfdbfe;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-banner__btn {
  padding: 0.5rem 1.25rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, background 0.15s;
  white-space: nowrap;
}

.cookie-banner__btn:hover {
  opacity: 0.85;
}

.cookie-banner__btn--accept {
  background: #2563eb;
  color: #fff;
}

.cookie-banner__btn--decline {
  background: transparent;
  color: #94a3b8;
  border: 1px solid #475569;
}

.cookie-banner__btn--decline:hover {
  background: rgba(255,255,255,0.05);
  opacity: 1;
}

@media (max-width: 600px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1rem;
  }

  .cookie-banner__actions {
    width: 100%;
  }

  .cookie-banner__btn {
    flex: 1;
    text-align: center;
  }
}

/* ============================================================
   Ad Slots
   ============================================================ */
.ad-slot {
  margin: 2.5rem auto;
  max-width: 728px;
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .ad-slot {
    max-width: 100%;
    min-height: 50px;
    margin: 1.5rem auto;
  }
}

/* ── Category Search Bar ─────────────────────────────────────────────────── */
.category-search-bar {
  background: #ffffff;
  border: 2px solid #dbeafe;
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 16px rgba(37,99,235,0.08);
}
.category-search-wrapper {
  display: block;
}
.category-search {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 0.5rem;
  font-size: 0.975rem;
  font-family: inherit;
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}
.category-search::placeholder { color: var(--color-text-muted); }
.category-search:focus {
  border-color: var(--color-primary);
  background-color: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.filter-pills__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: center;
  margin-right: 0.25rem;
}
.filter-pill {
  padding: 0.35rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 99px;
  background: var(--color-bg);
  font-size: 0.85rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  color: var(--color-text-muted);
  line-height: 1.4;
}
.filter-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.filter-pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
@media (max-width: 600px) {
  .category-search-bar { padding: 1rem; }
  .filter-pill { font-size: 0.8rem; padding: 0.3rem 0.75rem; }
}

/* ── Load More ───────────────────────────────────────────────────────────── */
.load-more-wrap {
  text-align: center;
  padding: 0.25rem 0 1.75rem;
}
.btn-load-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 2rem;
  background: #fff;
  border: 2px solid var(--color-primary, #2563eb);
  color: var(--color-primary, #2563eb);
  border-radius: 0.625rem;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.1s;
}
.btn-load-more:hover {
  background: var(--color-primary, #2563eb);
  color: #fff;
}
.btn-load-more:active { transform: scale(0.98); }

@keyframes cardReveal {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card--reveal {
  animation: cardReveal 0.25s ease both;
}