:root {
  --brand-primary: #5B47E0;
  --brand-primary-dark: #4535C1;
  --brand-primary-light: #EEECFC;
  --brand-accent: #00C9A7;

  --color-excellent: #10B981;
  --color-good: #06B6D4;
  --color-average: #F59E0B;
  --color-below-avg: #F97316;
  --color-poor: #EF4444;
  --color-pass: #10B981;
  --color-fail: #EF4444;
  --color-warning: #F59E0B;

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --border-color: #E2E8F0;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 4px 16px rgba(91, 71, 224, 0.12);
  --shadow-upload: 0 0 0 3px rgba(91, 71, 224, 0.2);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.display-font {
  font-family: var(--font-display);
}

.btn {
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  --bs-btn-bg: var(--brand-primary);
  --bs-btn-border-color: var(--brand-primary);
  --bs-btn-hover-bg: var(--brand-primary-dark);
  --bs-btn-hover-border-color: var(--brand-primary-dark);
  --bs-btn-active-bg: var(--brand-primary-dark);
  --bs-btn-active-border-color: var(--brand-primary-dark);
  box-shadow: 0 2px 8px rgba(91, 71, 224, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 4px 14px rgba(91, 71, 224, 0.35);
}

.btn-outline-primary {
  --bs-btn-color: var(--brand-primary);
  --bs-btn-border-color: var(--brand-primary);
  --bs-btn-hover-bg: var(--brand-primary);
  --bs-btn-hover-border-color: var(--brand-primary);
}

.form-control,
.form-select {
  border-radius: var(--border-radius-sm);
  border-color: var(--border-color);
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-upload);
}

.form-label {
  font-size: 0.875rem;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.text-brand {
  color: var(--brand-primary);
}

.bg-brand-light {
  background: var(--brand-primary-light);
}

/* Header */
.vurzel-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.vurzel-header .navbar {
  padding: 0.75rem 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.site-brand__icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-brand__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--brand-primary);
  line-height: 1;
}

.site-brand--footer .site-brand__title {
  color: #fff;
}

.site-brand--footer .site-brand__icon {
  width: 28px;
  height: 28px;
}

.vurzel-header .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
}

.vurzel-header .nav-link:hover,
.vurzel-header .nav-link.active {
  color: var(--brand-primary);
}

.vurzel-header .dropdown-menu {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card-hover);
  padding: 0.5rem;
}

.vurzel-header .dropdown-item {
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
}

.vurzel-header .dropdown-item:hover {
  background: var(--brand-primary-light);
  color: var(--brand-primary);
}

.navbar-toggler {
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* Footer */
.vurzel-footer {
  background: var(--text-primary);
  color: #CBD5E1;
}

.footer-desc {
  font-size: 0.9rem;
  color: #94A3B8;
  max-width: 280px;
}

.footer-heading {
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.25rem;
}

@media (max-width: 575.98px) {
  .footer-links-columns {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.footer-links li {
  margin-bottom: 0.45rem;
}

.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s, padding-left 0.15s;
  display: inline-block;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 3px;
}

.footer-share-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #94A3B8;
  margin: 1rem 0 0.5rem;
}

.footer-share {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-share__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #CBD5E1;
  text-decoration: none;
  font-size: 1.05rem;
  transition: background 0.15s, color 0.15s, transform 0.15s;
}

.footer-share__btn:hover {
  color: #fff;
  transform: translateY(-1px);
}

.footer-share__btn[data-share="linkedin"]:hover { background: #0a66c2; }
.footer-share__btn[data-share="facebook"]:hover { background: #1877f2; }
.footer-share__btn[data-share="threads"]:hover { background: #101010; }
.footer-share__btn[data-share="whatsapp"]:hover { background: #25d366; }
.footer-share__btn[data-share="telegram"]:hover { background: #26a5e4; }

.footer-divider {
  border-color: rgba(255, 255, 255, 0.1);
  margin: var(--space-lg) 0;
}

.footer-copy {
  font-size: 0.8rem;
  color: #64748B;
}

/* Cards */
.card-vurzel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}

a.card-vurzel:hover,
.card-vurzel.card-vurzel--interactive:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(91, 71, 224, 0.2);
}

/* Check items */
.check-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

.check-item__icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  margin-top: 1px;
}

.check-item__icon--pass { background: rgba(16, 185, 129, 0.1); color: var(--color-pass); }
.check-item__icon--fail { background: rgba(239, 68, 68, 0.1); color: var(--color-fail); }
.check-item__icon--warning { background: rgba(245, 158, 11, 0.1); color: var(--color-warning); }

.check-item__label { font-weight: 500; color: var(--text-primary); }
.check-item__detail { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }

/* Keyword pills */
.keyword-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  margin: 3px;
}

.keyword-pill--found { background: rgba(16, 185, 129, 0.1); color: #065F46; }
.keyword-pill--missing { background: rgba(239, 68, 68, 0.1); color: #991B1B; }
.keyword-pill--suggest { background: rgba(91, 71, 224, 0.1); color: #3730A3; }

/* Section headers (global) */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-xl);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
  margin-bottom: 0.65rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 0;
}

.bg-section-alt {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

/* Scroll reveal */
[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Content sections */
.content-section {
  padding: var(--space-2xl) 0;
}

.content-section > .container.col-lg-8,
.content-section .row .col-lg-8 {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-card);
}

.content-section > .container.col-lg-8 {
  max-width: 960px;
}

.content-section h2 {
  font-size: 1.35rem;
  font-family: var(--font-display);
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--brand-primary-light);
}

.content-section h2:first-child {
  margin-top: 0;
}

.content-section h3 {
  font-size: 1.05rem;
  font-family: var(--font-display);
  font-weight: 600;
  margin-top: var(--space-lg);
}

.content-section p,
.content-section li {
  color: var(--text-secondary);
}

.content-section ul {
  padding-left: 1.25rem;
}

.content-section li {
  margin-bottom: 0.5rem;
}

/* Comparison & data tables */
.vurzel-table {
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.vurzel-table thead th {
  background: var(--brand-primary-light);
  color: var(--brand-primary-dark);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
}

.vurzel-table tbody td {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-color);
}

.vurzel-table tbody tr:last-child td {
  border-bottom: none;
}

.vurzel-table tbody tr:hover td {
  background: rgba(91, 71, 224, 0.03);
}

.vurzel-table tbody tr td:first-child strong {
  color: var(--brand-primary);
}

/* CTA banners */
.cta-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--brand-primary-light) 0%, #fff 100%);
  border: 1px solid rgba(91, 71, 224, 0.15);
  border-radius: var(--border-radius-lg);
  margin-top: var(--space-xl);
}

.feature-card {
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--space-md) var(--space-lg);
  height: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: rgba(91, 71, 224, 0.25);
  box-shadow: var(--shadow-card);
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.feature-card p {
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.feature-card a {
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

/* Value pills (about, static pages) */
.value-pill {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  padding: var(--space-md);
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  height: 100%;
}

.value-pill i {
  font-size: 1.25rem;
  color: var(--brand-primary);
  margin-bottom: 0.25rem;
}

.value-pill strong {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text-primary);
}

.value-pill span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.faq-item {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
  border-bottom: none;
}

/* Breadcrumb */
.breadcrumb-vurzel {
  font-size: 0.8rem;
  margin-bottom: var(--space-md);
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 100px;
  border: 1px solid rgba(91, 71, 224, 0.1);
}

.page-hero .breadcrumb-vurzel,
.tool-hero .breadcrumb-vurzel {
  background: rgba(255, 255, 255, 0.55);
}

.breadcrumb-vurzel a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--brand-primary-light) 0%, var(--bg-page) 70%);
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(91, 71, 224, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
}

.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.page-hero p {
  color: var(--text-secondary);
  margin-bottom: 0;
  font-size: 1.05rem;
  max-width: 640px;
}

/* Ad placeholder */
.ad-placeholder {
  background: var(--bg-page);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin: var(--space-lg) 0;
}

/* Embed widget page */
.embed-preview {
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  background: var(--bg-page);
}

.embed-code {
  font-size: 0.82rem;
  line-height: 1.6;
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 1rem 1.25rem;
  border-radius: var(--border-radius-sm);
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.embed-badge-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--brand-primary);
  color: #fff;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(91, 71, 224, 0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}

.embed-badge-link:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(91, 71, 224, 0.4);
}

/* Utility */
.section-padding {
  padding: var(--space-2xl) 0;
}

.section-padding > .container.col-lg-8,
.tool-page-body {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Back to top — injected by main.js */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  z-index: 1025;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(91, 71, 224, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s, visibility 0.25s, transform 0.25s, background 0.2s, box-shadow 0.2s;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #4a38c9;
  box-shadow: 0 6px 20px rgba(91, 71, 224, 0.45);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: opacity 0.15s, visibility 0.15s;
    transform: none;
  }

  .back-to-top.is-visible {
    transform: none;
  }
}

@media (max-width: 575.98px) {
  .back-to-top {
    right: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.05rem;
  }
}