/* ============================================================
   GeneratorNumber.com — Main Stylesheet
   Core CSS only — no frameworks. CSS custom properties for theming.
   ============================================================ */

/* ---- Variables ---- */
:root {
  --clr-bg:          #f8fafc;
  --clr-bg-muted:    #f1f5f9;
  --clr-bg-card:     #ffffff;
  --clr-bg-primary-light: #eff6ff;
  --clr-text:        #0f172a;
  --clr-text-muted:  #64748b;
  --clr-text-light:  #94a3b8;
  --clr-border:      #e2e8f0;
  --clr-primary:     #2563eb;
  --clr-primary-dark:#1d4ed8;
  --clr-primary-rgb: 37, 99, 235;
  --clr-primary-fg:  #ffffff;
  --clr-success:     #16a34a;
  --clr-success-bg:  #dcfce7;
  --clr-warn:        #d97706;
  --clr-warn-bg:     #fef3c7;
  --clr-error:       #dc2626;
  --clr-error-bg:    #fee2e2;
  --clr-info-bg:     #dbeafe;
  --clr-info:        #1e40af;
  --radius:          .5rem;
  --radius-lg:       .75rem;
  --shadow-sm:       0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:          0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:       0 10px 15px rgba(0,0,0,.06), 0 4px 6px rgba(0,0,0,.04);
  --font:            'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:       'Fira Code', 'Cascadia Code', Menlo, monospace;
  --transition:      .18s ease;
}

[data-theme="dark"] {
  --clr-bg:          #0f172a;
  --clr-bg-muted:    #1e293b;
  --clr-bg-card:     #1e293b;
  --clr-bg-primary-light: #1e3a8a22;
  --clr-text:        #f1f5f9;
  --clr-text-muted:  #94a3b8;
  --clr-text-light:  #64748b;
  --clr-border:      #334155;
  --clr-primary:     #3b82f6;
  --clr-primary-dark:#2563eb;
  --clr-primary-rgb: 59, 130, 246;
  --clr-primary-fg:  #ffffff;
  --clr-success:     #4ade80;
  --clr-success-bg:  #14532d44;
  --clr-warn:        #fbbf24;
  --clr-warn-bg:     #78350f44;
  --clr-error:       #f87171;
  --clr-error-bg:    #7f1d1d44;
  --clr-info-bg:     #1e3a8a44;
  --clr-info:        #93c5fd;
  --shadow-sm:       0 1px 3px rgba(0,0,0,.3);
  --shadow:          0 4px 6px rgba(0,0,0,.25);
  --shadow-lg:       0 10px 15px rgba(0,0,0,.3);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  background: var(--clr-bg);
  color: var(--clr-text);
  transition: background var(--transition), color var(--transition);
}

img, svg { max-width: 100%; display: block; }
a { color: var(--clr-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  margin-top: 0;
  line-height: 1.25;
  color: var(--clr-text);
}
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700; }
h2 { font-size: clamp(1.375rem, 2.5vw, 1.875rem); font-weight: 700; margin-bottom: .75rem; }
h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: .5rem; }

p { margin-top: 0; margin-bottom: 1rem; color: var(--clr-text-muted); }
strong { color: var(--clr-text); }
code {
  font-family: var(--font-mono);
  font-size: .85em;
  background: rgba(var(--clr-primary-rgb), .1);
  color: var(--clr-primary);
  padding: .1em .4em;
  border-radius: .25rem;
}
ul { padding-left: 1.25rem; }
ul li { margin-bottom: .35rem; color: var(--clr-text-muted); }

/* ---- Layout ---- */
.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.container--narrow { max-width: 48rem; }
.text-center { text-align: center; }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-bg);
  border-bottom: 1px solid var(--clr-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--clr-bg) 92%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  gap: 1rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--clr-primary);
  flex-shrink: 0;
}
.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: -.02em;
}
.logo-accent { color: var(--clr-primary); }
.logo:hover { text-decoration: none; }

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: .4rem .75rem;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--clr-text); background: var(--clr-bg-muted); text-decoration: none; }
.nav-link--active { color: var(--clr-primary); background: rgba(var(--clr-primary-rgb),.1); }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: .25rem; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.btn-icon:hover { color: var(--clr-text); background: var(--clr-bg-muted); }
.btn-icon svg { width: 1.125rem; height: 1.125rem; }

/* Theme icon toggle */
.icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* Mobile menu button */
.btn-mobile-menu { display: none; }
.icon-close { display: none; }
.btn-mobile-menu.is-open .icon-menu  { display: none; }
.btn-mobile-menu.is-open .icon-close { display: block; }

/* Mobile nav */
.mobile-menu { border-top: 1px solid var(--clr-border); background: var(--clr-bg); }
.mobile-menu-inner { display: flex; flex-direction: column; gap: .25rem; padding: .75rem 0; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(180deg, rgba(var(--clr-primary-rgb),.05) 0%, transparent 100%);
  border-bottom: 1px solid var(--clr-border);
  padding: 3.5rem 1.25rem 3rem;
}
.hero-inner { text-align: left; }
.hero-inner--centered { text-align: center; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(var(--clr-primary-rgb),.1);
  color: var(--clr-primary);
  border-radius: 9999px;
  padding: .25rem .75rem;
  font-size: .75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.hero-badge svg { width: .875rem; height: .875rem; }

.hero h1 { margin-bottom: .75rem; }
.hero-sub {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 42rem;
  margin: 0;
}
.hero-inner--centered .hero-sub { margin: 0 auto; }

.page-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(var(--clr-primary-rgb),.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--clr-primary);
}
.page-icon svg { width: 1.75rem; height: 1.75rem; }

/* ---- Generator Section ---- */
.generator-section {
  padding: 2.5rem 1.25rem;
}
.generator-layout {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 1.5rem;
  align-items: start;
}

/* ---- Cards ---- */
.card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 1.25rem;
}

/* ---- Form fields ---- */
.field { margin-bottom: 1.125rem; }
.field label, fieldset legend {
  display: block;
  font-size: .875rem;
  font-weight: 500;
  color: var(--clr-text);
  margin-bottom: .375rem;
  border: none;
  padding: 0;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.field-hint { display: block; font-size: .75rem; color: var(--clr-text-muted); margin-top: .25rem; }
.field-error { display: block; font-size: .75rem; color: var(--clr-error); margin-top: .25rem; }
.required { color: var(--clr-error); }

input[type="number"],
input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: .5rem .75rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font);
  font-size: .9rem;
  line-height: 1.5;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(var(--clr-primary-rgb),.15);
}
input.is-error, select.is-error, textarea.is-error {
  border-color: var(--clr-error);
}
textarea { resize: vertical; }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .5rem center;
  background-size: 1rem;
  padding-right: 2rem;
}

/* Segmented Number Type control */
.seg-field {
  display: flex;
  align-items: center;
  gap: .625rem;
  margin-bottom: 1rem;
}
.seg-label {
  font-size: .8125rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  margin-bottom: 0;
}
.seg-control {
  display: flex;
  flex: 1;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.filter-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .3rem;
  padding: .4rem .5rem;
  font-size: .8125rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  background: var(--clr-bg-muted);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition), color var(--transition);
  border-right: 1px solid var(--clr-border);
  text-align: center;
  white-space: nowrap;
}
.filter-btn:last-child { border-right: none; }
.filter-btn input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.filter-btn:hover:not(.filter-btn--active) { background: var(--clr-bg); color: var(--clr-text); }
.filter-btn--active {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: var(--clr-primary-fg);
}
.seg-sup {
  font-size: .6rem;
  font-weight: 700;
  opacity: .65;
  letter-spacing: .01em;
  font-family: monospace;
}

/* Checkbox fields */
/* Compact checklist wrapper */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.check-list .check-label {
  padding: .6rem .875rem;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg-muted);
}
.check-list .check-label:last-child { border-bottom: none; }
.check-list .check-label:hover { background: var(--clr-bg); }

.check-label {
  display: flex;
  align-items: center;
  gap: .625rem;
  cursor: pointer;
  transition: background var(--transition);
}
.check-label input[type="checkbox"] { position: absolute; opacity: 0; width: 0; height: 0; }
.check-box {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--clr-border);
  border-radius: .25rem;
  background: var(--clr-bg);
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition);
}
.check-label input:checked ~ .check-box {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}
.check-label input:checked ~ .check-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='white' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E") center/10px no-repeat;
}
.check-label input:focus-visible ~ .check-box {
  outline: 3px solid rgba(var(--clr-primary-rgb),.3);
  outline-offset: 2px;
}
.check-text {
  display: flex;
  align-items: baseline;
  gap: .375rem;
  flex-wrap: wrap;
}
.check-text strong { font-size: .8125rem; color: var(--clr-text); font-weight: 600; }
.check-sub { font-size: .75rem; color: var(--clr-text-muted); }

/* Form actions */
.form-actions { display: flex; gap: .75rem; padding-top: .5rem; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn svg { width: 1rem; height: 1rem; }
.btn--primary  { background: var(--clr-primary); color: var(--clr-primary-fg); border-color: var(--clr-primary); }
.btn--primary:hover { background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); text-decoration: none; color: var(--clr-primary-fg); }
.btn--secondary { background: var(--clr-bg-muted); color: var(--clr-text-muted); border-color: var(--clr-border); }
.btn--secondary:hover { color: var(--clr-text); background: var(--clr-border); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--clr-text-muted); border-color: var(--clr-border); font-size: .8rem; padding: .4rem .85rem; }
.btn--ghost:hover { color: var(--clr-text); background: var(--clr-bg-muted); text-decoration: none; }
.btn--lg { padding: .8rem 1.75rem; font-size: 1rem; }
.btn:active { transform: scale(.98); }

/* ---- Results Card ---- */
.results-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }

.results-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .875rem;
}
.results-badge {
  font-size: .75rem;
  font-weight: 600;
  background: var(--clr-bg-muted);
  color: var(--clr-text-muted);
  padding: .2rem .6rem;
  border-radius: 9999px;
}
.results-tag {
  font-size: .7rem;
  font-weight: 600;
  padding: .15rem .55rem;
  border-radius: 9999px;
}
.results-tag--green { background: var(--clr-success-bg); color: var(--clr-success); }
.results-tag--blue  { background: rgba(var(--clr-primary-rgb),.12); color: var(--clr-primary); }
.results-tag--purple{ background: #f3e8ff; color: #7e22ce; }
[data-theme="dark"] .results-tag--purple { background: #3b0764; color: #d8b4fe; }

/* Number chips */
.numbers-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  max-height: 24rem;
  overflow-y: auto;
  padding-right: .25rem;
}
.number-chip {
  display: inline-flex;
  align-items: center;
  padding: .3rem .65rem;
  background: rgba(var(--clr-primary-rgb),.08);
  color: var(--clr-primary);
  border: 1px solid rgba(var(--clr-primary-rgb),.2);
  border-radius: .375rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 500;
  transition: background var(--transition);
}
.number-chip:hover { background: rgba(var(--clr-primary-rgb),.15); }

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--clr-text-muted);
}
.empty-state svg { width: 3rem; height: 3rem; margin-bottom: 1rem; opacity: .35; color: var(--clr-primary); }
.empty-state p { font-weight: 500; margin-bottom: .25rem; }
.empty-state small { color: var(--clr-text-light); }

/* Hidden textarea for copy */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---- Alerts ---- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .875rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: .875rem;
}
.alert svg { width: 1.1rem; height: 1.1rem; flex-shrink: 0; margin-top: .1rem; }
.alert ul { margin: 0; padding-left: 1.1rem; }
.alert ul li { margin-bottom: .2rem; }
.alert--error   { background: var(--clr-error-bg);   color: var(--clr-error);   border: 1px solid rgba(220,38,38,.25); }
.alert--warning { background: var(--clr-warn-bg);    color: var(--clr-warn);    border: 1px solid rgba(217,119,6,.25); }
.alert--success { background: var(--clr-success-bg); color: var(--clr-success); border: 1px solid rgba(22,163,74,.25);  }
.alert--info    { background: var(--clr-info-bg);    color: var(--clr-info);    border: 1px solid rgba(37,99,235,.25); }

/* ---- Content sections ---- */
.content-section {
  padding: 4rem 1.25rem;
}
.bg-muted          { background: var(--clr-bg-muted); }
.bg-primary-light  { background: var(--clr-bg-primary-light); }
.section-sub {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 42rem;
  margin-bottom: 2rem;
}

/* Two-column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.25rem;
}
.card-grid--3 { grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); }

/* Use case cards */
.use-case-card h3 { margin-top: .5rem; }
.use-case-icon { font-size: 1.75rem; display: block; margin-bottom: .25rem; }

/* Benefits grid */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1.25rem;
}
.benefit-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.benefit-num {
  width: 2rem;
  height: 2rem;
  background: rgba(var(--clr-primary-rgb),.12);
  color: var(--clr-primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .875rem;
  margin-bottom: .875rem;
}

/* Feature list */
.feature-list { list-style: none; padding: 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .35rem 0;
  border-bottom: 1px solid var(--clr-border);
  font-size: .9rem;
}
.feature-list li::before {
  content: '';
  width: .5rem;
  height: .5rem;
  background: var(--clr-primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: .45rem;
}

/* Info box */
.info-box {
  background: rgba(var(--clr-primary-rgb),.06);
  border: 1px solid rgba(var(--clr-primary-rgb),.2);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: .875rem;
  color: var(--clr-text-muted);
  margin-top: 1.25rem;
}
.info-box strong { color: var(--clr-text); }

/* ---- FAQ ---- */
.faq-list { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 2rem; }
.faq-item { border: 1px solid var(--clr-border); border-radius: var(--radius-lg); overflow: hidden; }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--clr-text);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--clr-bg-muted); }
.faq-question[aria-expanded="true"] { background: var(--clr-bg-muted); }
.faq-chevron { width: 1rem; height: 1rem; flex-shrink: 0; color: var(--clr-text-muted); transition: transform var(--transition); }
.faq-question[aria-expanded="true"] .faq-chevron { transform: rotate(180deg); }
.faq-answer { padding: 0 1.25rem 1rem; border-top: 1px solid var(--clr-border); }
.faq-answer p { margin: .875rem 0 0; font-size: .9rem; }

/* CTA box */
.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(var(--clr-primary-rgb),.06);
  border: 1px solid rgba(var(--clr-primary-rgb),.2);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}
.cta-box strong { display: block; font-weight: 600; color: var(--clr-text); }
.cta-box span   { font-size: .875rem; color: var(--clr-text-muted); }

/* ---- About page ---- */
.blog-links { display: grid; gap: .625rem; margin-top: 1rem; }
.blog-link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .875rem 1.125rem;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: .9rem;
  color: var(--clr-text);
  text-decoration: none;
  transition: all var(--transition);
}
.blog-link-card:hover { border-color: var(--clr-primary); color: var(--clr-primary); text-decoration: none; box-shadow: var(--shadow-sm); }
.blog-link-card svg { width: 1rem; height: 1rem; flex-shrink: 0; }

/* ---- Contact page ---- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}
.contact-info h2 { font-size: 1.375rem; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  margin-bottom: 1.25rem;
}
.contact-item svg { width: 1.25rem; height: 1.25rem; color: var(--clr-primary); flex-shrink: 0; margin-top: .125rem; }
.contact-item strong { display: block; font-size: .875rem; font-weight: 600; color: var(--clr-text); margin-bottom: .125rem; }
.contact-item a, .contact-item span { font-size: .875rem; color: var(--clr-text-muted); }
.topic-list { list-style: none; padding: 0; margin: .75rem 0 1.5rem; }
.topic-list li { display: flex; align-items: center; gap: .5rem; font-size: .875rem; padding: .25rem 0; }
.topic-list li::before { content: ''; width: .375rem; height: .375rem; background: var(--clr-primary); border-radius: 50%; flex-shrink: 0; }
.contact-form textarea { min-height: 9rem; }

/* Success state */
.success-state {
  text-align: center;
  padding: 3rem 1rem;
}
.success-state svg { width: 3.5rem; height: 3.5rem; color: var(--clr-success); margin: 0 auto 1rem; }
.success-state h2 { margin-bottom: .5rem; }
.success-state p  { margin-bottom: 1.5rem; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--clr-border);
  background: var(--clr-bg-muted);
  margin-top: 4rem;
}
.footer-inner { padding: 3rem 1.25rem 2rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand .logo { margin-bottom: .75rem; }
.footer-tagline { font-size: .85rem; color: var(--clr-text-muted); margin-bottom: .5rem; }
.footer-domain { font-size: .8rem; color: var(--clr-text-light); }
.footer-heading { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--clr-text); margin-bottom: .75rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .4rem; }
.footer-links a { font-size: .85rem; color: var(--clr-text-muted); }
.footer-links a:hover { color: var(--clr-text); text-decoration: none; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  border-top: 1px solid var(--clr-border);
  padding-top: 1.25rem;
}
.footer-bottom p { font-size: .8rem; color: var(--clr-text-light); margin: 0; }
.footer-bottom a { color: var(--clr-text-muted); }
.footer-bottom a:hover { color: var(--clr-text); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .generator-layout { grid-template-columns: 1fr; }
  .two-col          { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-grid      { grid-template-columns: 1fr 1fr; }
  .contact-layout   { grid-template-columns: 1fr; }
  .btn-mobile-menu  { display: inline-flex; }
  .main-nav         { display: none; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: 1; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .hero { padding: 2.5rem 1.25rem 2rem; }
  .content-section { padding: 2.5rem 1.25rem; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .form-actions { flex-wrap: wrap; }
  .field-row { grid-template-columns: 1fr; }
  /* Contact send button full-width on mobile */
  .btn--submit-full { width: 100%; justify-content: center; }
  /* Hero stats: 2×2 grid on mobile */
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem 1.5rem; }
  .hero-stat-div { display: none; }
  .hero-stat { text-align: left; }
}

@media (max-width: 400px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ---- Breadcrumb ---- */
.breadcrumb {
  background: var(--clr-bg-muted);
  border-bottom: 1px solid var(--clr-border);
  padding: .4rem 0;
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0;
  flex-wrap: wrap;
}
.breadcrumb-item {
  display: flex;
  align-items: center;
  font-size: .775rem;
  color: var(--clr-text-muted);
}
.breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  padding: 0 .4rem;
  color: var(--clr-text-light);
}
.breadcrumb-item a { color: var(--clr-text-muted); text-decoration: none; }
.breadcrumb-item a:hover { color: var(--clr-primary); }
.breadcrumb-item span[aria-current] { color: var(--clr-text); font-weight: 500; }

/* ---- Honeypot field ---- */
.hp-field { display: none !important; visibility: hidden; }

/* ---- Timestamp ---- */
.results-timestamp {
  font-size: .7rem;
  color: var(--clr-text-light);
  margin-left: auto;
  white-space: nowrap;
}

/* ---- Duplicate badge ---- */
.number-chip--dup {
  border-color: rgba(var(--clr-primary-rgb), .4);
  background: rgba(var(--clr-primary-rgb), .13);
}
.dup-badge {
  font-size: .6rem;
  font-family: var(--font);
  font-weight: 700;
  color: var(--clr-primary);
  margin-left: .1em;
  vertical-align: super;
  line-height: 1;
}

/* ---- Hero stats strip ---- */
.hero-stats {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}
.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 1.25rem; font-weight: 700; color: var(--clr-primary); line-height: 1.2; }
.hero-stat span   { font-size: .75rem; color: var(--clr-text-muted); white-space: nowrap; }
.hero-stat-div {
  width: 1px; height: 2rem;
  background: var(--clr-border);
  flex-shrink: 0;
}

/* ---- Presets ---- */
.label-sm { display: block; font-size: .8rem; font-weight: 500; color: var(--clr-text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .5rem; }
.presets-grid {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.preset-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .3rem .7rem;
  border: 1px solid var(--clr-border);
  border-radius: 9999px;
  font-family: var(--font);
  font-size: .8rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  background: var(--clr-bg);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}
.preset-btn:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(var(--clr-primary-rgb), .06);
}
.preset-btn:active { transform: scale(.96); }

.field-divider {
  height: 1px;
  background: var(--clr-border);
  margin: 1rem 0 1.25rem;
}

/* ---- Results actions row ---- */
.results-actions {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
}

/* ---- Format selector ---- */
.format-selector {
  display: flex;
  align-items: center;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}
.format-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 1.875rem;
  border: none;
  background: none;
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  cursor: pointer;
  border-right: 1px solid var(--clr-border);
  transition: all var(--transition);
}
.format-btn:last-child { border-right: none; }
.format-btn:hover { background: var(--clr-bg-muted); color: var(--clr-text); }
.format-btn--active {
  background: rgba(var(--clr-primary-rgb), .1);
  color: var(--clr-primary);
}

/* ---- Statistics Panel ---- */
.stats-panel {
  margin-top: 1.25rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stats-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .625rem 1rem;
  background: var(--clr-bg-muted);
  border-bottom: 1px solid var(--clr-border);
  font-size: .8rem;
  font-weight: 600;
  color: var(--clr-text);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.stats-title svg { width: .875rem; height: .875rem; color: var(--clr-primary); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .875rem .5rem;
  border-right: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.stat-item:nth-child(3n) { border-right: none; }
.stat-item:nth-last-child(-n+3) { border-bottom: none; }
.stat-label { font-size: .7rem; color: var(--clr-text-muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .2rem; }
.stat-value { font-size: 1rem; font-weight: 700; color: var(--clr-primary); font-family: var(--font-mono); }

/* ---- How To Steps ---- */
.howto-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.howto-step {
  display: flex;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--clr-border);
  position: relative;
}
.howto-step:last-child { border-bottom: none; }
.howto-num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-primary-fg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9375rem;
  flex-shrink: 0;
  margin-top: .125rem;
}
.howto-body h3 { font-size: 1.05rem; margin-bottom: .375rem; }
.howto-body p  { margin: 0; font-size: .9rem; }

/* ---- Responsive additions ---- */
@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-stats { gap: .75rem; }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3n) { border-right: 1px solid var(--clr-border); }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }
  .stat-item:nth-last-child(-n+3) { border-bottom: 1px solid var(--clr-border); }
  .results-header { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .results-actions { width: 100%; }
  .hero-stat-div { display: none; }
  .hero-stats { gap: 1rem 1.5rem; }
  .howto-step { gap: 1rem; }
  .howto-num { width: 2rem; height: 2rem; font-size: .8125rem; }
}

/* ============================================================
   Ad Units — Google AdSense placements
   ============================================================ */

/* ---- Wrapper ---- */
.ad-unit {
  width: 100%;
  background: var(--clr-bg-muted);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: .625rem 1.25rem .875rem;
  text-align: center;
  box-sizing: border-box;
}

/* Rectangle variant — centered, narrower */
.ad-unit--rect {
  padding: 1rem 1.25rem 1.25rem;
  background: var(--clr-bg);
  border-top: none;
  border-bottom: none;
}

/* ---- Label ---- */
.ad-label {
  display: block;
  font-size: .625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--clr-text-light);
  margin-bottom: .4rem;
}

/* ---- Live ad wrapper ---- */
.ad-ins-wrap {
  max-width: 970px;
  margin: 0 auto;
  overflow: hidden;
}
.ad-unit--rect .ad-ins-wrap {
  max-width: 400px;
}

/* ---- Placeholder (shown until AdSense is configured) ---- */
.ad-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: .6rem;
  max-width: 970px;
  margin: 0 auto;
  min-height: 90px;
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius);
  background: var(--clr-bg);
  color: var(--clr-text-light);
  font-size: .8rem;
  padding: 1rem;
}
.ad-placeholder svg {
  width: 1.5rem;
  height: 1.5rem;
  opacity: .4;
  flex-shrink: 0;
}
.ad-placeholder code {
  font-size: .75em;
}
.ad-placeholder--rect {
  max-width: 336px;
  min-height: 280px;
}

/* Pre-footer variant — slightly more padding, no top muted bg */
.ad-unit--banner {
  background: var(--clr-bg-muted);
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .ad-placeholder { min-height: 60px; font-size: .75rem; }
  .ad-unit { padding: .5rem 1rem .75rem; }
}