/* ============================================
   LK MEDIA — Audit Report Design System
   Dark theme, consistent with lkmedia.cz brand
   ============================================ */

/* --- Design Tokens (synced with main site) --- */
:root {
  --bg-primary: #06080d;
  --bg-secondary: #0c1018;
  --bg-card: #10141c;
  --bg-card-hover: #161c28;
  --bg-elevated: #1a2030;

  --text-primary: #e8e4de;
  --text-secondary: #b0abb8;
  --text-muted: #8a8690;
  --text-accent: #c9a96e;

  --accent: #c9a96e;
  --accent-light: #e0c992;
  --accent-glow: rgba(201, 169, 110, 0.15);
  --accent-glow-strong: rgba(201, 169, 110, 0.3);

  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(201, 169, 110, 0.2);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  --container: 960px;

  /* Audit-specific colors */
  --green: #34d399;
  --green-dim: rgba(52, 211, 153, 0.12);
  --blue: #4a7fff;
  --blue-dim: rgba(74, 127, 255, 0.12);
  --orange: #f59e0b;
  --orange-dim: rgba(245, 158, 11, 0.12);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.12);
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: var(--bg-primary);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-light); }
img { max-width: 100%; display: block; }

/* --- Password Overlay --- */
.audit-pw-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.4s var(--ease-smooth);
}

.audit-pw-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.audit-pw-logo {
  height: 32px;
  opacity: 0.6;
}

.audit-pw-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 380px;
  width: 90%;
  text-align: center;
}

.audit-pw-box h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 6px;
  font-weight: 400;
}

.audit-pw-box p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 24px;
}

.audit-pw-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
  text-align: center;
  letter-spacing: 2px;
}

.audit-pw-input:focus {
  border-color: var(--accent);
}

.audit-pw-btn {
  margin-top: 16px;
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.audit-pw-btn:hover {
  background: var(--accent-light);
}

.audit-pw-error {
  color: var(--red);
  font-size: 0.85rem;
  margin-top: 12px;
  opacity: 0;
  transition: opacity 0.2s;
}

.audit-pw-error.visible {
  opacity: 1;
}

/* --- Grain Overlay --- */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* --- Navigation (sticky) --- */
.audit-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(6, 8, 13, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  transition: transform 0.3s var(--ease-out);
}

.audit-nav.visible {
  transform: translateY(0);
}

.audit-nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.audit-nav-logo {
  height: 22px;
  opacity: 0.7;
}

.audit-nav-links {
  display: flex;
  gap: 24px;
}

.audit-nav-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.audit-nav-links a:hover,
.audit-nav-links a.active {
  color: var(--accent);
}

/* --- Cover --- */
.audit-cover {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  position: relative;
  background: radial-gradient(ellipse at 50% 40%, rgba(201, 169, 110, 0.06) 0%, transparent 60%);
}

.audit-cover-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 32px;
}

.audit-cover h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 16px;
}

.audit-cover h1 em {
  color: var(--accent);
  font-style: italic;
}

.audit-cover-domain {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.audit-cover-meta {
  display: flex;
  gap: 32px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.audit-cover-line {
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin: 32px auto;
}

.audit-cover-scroll {
  position: absolute;
  bottom: 32px;
  animation: bounce 2s infinite;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* --- Sections --- */
.audit-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 80px 24px;
}

.audit-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.audit-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 16px;
}

.audit-section-title em {
  color: var(--accent);
  font-style: italic;
}

.audit-section-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 700px;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* --- Stat Grid (4 big numbers) --- */
.audit-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.audit-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}

.audit-stat-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.audit-stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.audit-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Score Ring (DR gauge) --- */
.audit-score-ring {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  position: relative;
}

.audit-score-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    var(--ring-color) calc(var(--ring-pct) * 3.6deg),
    var(--bg-elevated) calc(var(--ring-pct) * 3.6deg)
  );
  mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #fff calc(100% - 7px));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 8px), #fff calc(100% - 7px));
}

.audit-score-ring .score-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 400;
  z-index: 1;
}

/* --- Chart (SVG traffic trend) --- */
.audit-chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 24px 20px;
  margin-bottom: 40px;
}

.audit-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.audit-chart-header h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
}

.audit-chart-header span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.audit-chart svg {
  width: 100%;
  height: auto;
}

.audit-chart-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* --- Tables --- */
.audit-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 32px;
}

.audit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.audit-table th {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  white-space: nowrap;
}

.audit-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

.audit-table tr:hover td {
  background: var(--bg-card);
}

.audit-table .url-cell {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.85rem;
}

.audit-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --- Position Badges --- */
.audit-pos {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
}

.audit-pos.top3 {
  background: var(--green-dim);
  color: var(--green);
}

.audit-pos.top10 {
  background: var(--blue-dim);
  color: var(--blue);
}

.audit-pos.top20 {
  background: var(--orange-dim);
  color: var(--orange);
}

.audit-pos.top50 {
  background: var(--red-dim);
  color: var(--red);
}

/* --- Quick Win Callout --- */
.audit-quickwin {
  background: var(--green-dim);
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
  margin: 32px 0;
}

.audit-quickwin-title {
  font-weight: 600;
  color: var(--green);
  margin-bottom: 8px;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.audit-quickwin p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- Competitor Comparison Bars --- */
.audit-comp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 12px;
  transition: border-color 0.3s;
}

.audit-comp-card:hover {
  border-color: var(--border-accent);
}

.audit-comp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.audit-comp-domain {
  font-weight: 500;
  font-size: 0.95rem;
}

.audit-comp-dr {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.audit-comp-dr strong {
  color: var(--accent);
}

.audit-comp-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.audit-comp-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.audit-comp-bar-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 80px;
  flex-shrink: 0;
}

.audit-comp-bar-track {
  flex: 1;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.audit-comp-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s var(--ease-out);
}

.audit-comp-bar-fill.client {
  background: var(--accent);
}

.audit-comp-bar-fill.competitor {
  background: var(--text-muted);
}

.audit-comp-bar-value {
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 60px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --- Mini Stat Grid (3 cols for backlinks) --- */
.audit-stat-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

/* --- Recommendation Cards --- */
.audit-band-dark {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
}

.audit-band-dark-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.audit-rec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.audit-rec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: border-color 0.3s, transform 0.3s var(--ease-out);
}

.audit-rec-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.audit-rec-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 12px;
}

.audit-rec-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 12px;
  line-height: 1.3;
}

.audit-rec-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.audit-rec-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.audit-rec-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
}

.audit-rec-badge.impact {
  background: var(--green-dim);
  color: var(--green);
}

.audit-rec-badge.difficulty-easy {
  background: var(--green-dim);
  color: var(--green);
}

.audit-rec-badge.difficulty-medium {
  background: var(--orange-dim);
  color: var(--orange);
}

.audit-rec-badge.difficulty-hard {
  background: var(--red-dim);
  color: var(--red);
}

/* --- CTA Section --- */
.audit-cta {
  text-align: center;
  padding: 80px 24px;
  max-width: 700px;
  margin: 0 auto;
}

.audit-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 12px;
}

.audit-cta h2 em {
  color: var(--accent);
  font-style: italic;
}

.audit-cta p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.audit-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  text-decoration: none;
}

.audit-cta-btn:hover {
  background: var(--accent-light);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.audit-cta-secondary {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.audit-trust-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 32px;
}

.audit-trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.audit-trust-badge svg {
  color: var(--accent);
}

/* --- Footer --- */
.audit-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}

.audit-footer-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.audit-footer-logo {
  height: 20px;
  opacity: 0.5;
  margin: 0 auto 16px;
}

.audit-footer p {
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.8;
}

/* --- Divider --- */
.audit-divider {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.audit-divider hr {
  border: none;
  height: 1px;
  background: var(--border);
}

/* --- Animations --- */
.audit-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  .audit-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .audit-stat-grid-3 {
    grid-template-columns: 1fr;
  }

  .audit-rec-grid {
    grid-template-columns: 1fr;
  }

  .audit-nav-links {
    display: none;
  }

  .audit-cover-meta {
    flex-direction: column;
    gap: 8px;
  }

  .audit-trust-badges {
    flex-direction: column;
    align-items: center;
  }

  .audit-comp-bar-label {
    width: 60px;
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .audit-stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .audit-stat-card {
    padding: 20px 14px;
  }

  .audit-stat-value {
    font-size: 2rem;
  }

  .audit-section {
    padding: 60px 16px;
  }

  .audit-band-dark {
    padding: 60px 16px;
  }
}