/* ============================================
   KANZLEI DURDA — Design Tokens & Styles
   Authoritative / Corporate / Legal aesthetic
   ============================================ */

/* --- Type Scale (fluid clamp) --- */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* --- Spacing (4px base) --- */
  --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;
  --space-32: 8rem;

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

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Content widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* --- Fonts --- */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* ============================================
   COLOR PALETTE — Legal / Authoritative
   Deep navy + warm gold accent
   ============================================ */
:root, [data-theme="light"] {
  /* Surfaces */
  --color-bg:             #f5f5f3;
  --color-surface:        #ffffff;
  --color-surface-2:      #fafaf8;
  --color-surface-offset: #eeedeb;
  --color-border:         #d4d2cd;
  --color-divider:        #e0deda;

  /* Text */
  --color-text:           #1a1a2e;
  --color-text-muted:     #5c5c6e;
  --color-text-faint:     #9c9ca8;
  --color-text-inverse:   #f5f5f3;

  /* Primary — Deep Navy */
  --color-primary:        #1a1a5e;
  --color-primary-hover:  #2a2a78;
  --color-primary-active: #0e0e3a;

  /* Accent — Warm Gold */
  --color-accent:         #b8860b;
  --color-accent-hover:   #d4a017;
  --color-accent-light:   #f0e4c7;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 12px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 12px 32px rgba(26, 26, 46, 0.12);
}

[data-theme="dark"] {
  --color-bg:             #0f0f1a;
  --color-surface:        #161625;
  --color-surface-2:      #1c1c30;
  --color-surface-offset: #12121f;
  --color-border:         #2a2a45;
  --color-divider:        #222238;

  --color-text:           #d8d8e4;
  --color-text-muted:     #8888a0;
  --color-text-faint:     #55556a;
  --color-text-inverse:   #0f0f1a;

  --color-primary:        #6e6ecc;
  --color-primary-hover:  #8888e0;
  --color-primary-active: #5050a0;

  --color-accent:         #d4a017;
  --color-accent-hover:   #e8b830;
  --color-accent-light:   #2a2518;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0f0f1a;
    --color-surface:        #161625;
    --color-surface-2:      #1c1c30;
    --color-surface-offset: #12121f;
    --color-border:         #2a2a45;
    --color-divider:        #222238;
    --color-text:           #d8d8e4;
    --color-text-muted:     #8888a0;
    --color-text-faint:     #55556a;
    --color-text-inverse:   #0f0f1a;
    --color-primary:        #6e6ecc;
    --color-primary-hover:  #8888e0;
    --color-primary-active: #5050a0;
    --color-accent:         #d4a017;
    --color-accent-hover:   #e8b830;
    --color-accent-light:   #2a2518;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  }
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

/* --- Header / Navigation --- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s ease;
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo-img {
  height: 36px;
  width: auto;
}

[data-theme="dark"] .logo-img {
  filter: invert(1) brightness(1.8);
}

nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

nav a:hover,
nav a.active {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

.theme-toggle {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* Mobile nav */
.mobile-toggle {
  display: none;
  padding: var(--space-2);
  color: var(--color-text);
}

@media (max-width: 767px) {
  .mobile-toggle { display: flex; }
  
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
  }
  
  nav.open { display: flex; }
  
  nav a {
    width: 100%;
    padding: var(--space-3) var(--space-4);
  }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0e0e3a 100%);
  color: var(--color-text-inverse);
  overflow: hidden;
}

[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #1a1a40 0%, #0a0a20 100%);
}

.hero-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-16) var(--space-4) var(--space-12);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr 320px;
    padding: var(--space-20) var(--space-8) var(--space-16);
  }
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 380px;
    padding: var(--space-24) var(--space-12) var(--space-20);
  }
}

.hero-content {
  order: 2;
}

@media (min-width: 768px) {
  .hero-content { order: 1; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: rgba(184, 134, 11, 0.15);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: #ffffff;
}

.hero p {
  font-size: var(--text-base);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  max-width: 540px;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-portrait {
  order: 1;
  display: flex;
  justify-content: center;
}

@media (min-width: 768px) {
  .hero-portrait { order: 2; }
}

.hero-portrait img {
  width: 260px;
  height: 340px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg);
  border: 3px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

@media (min-width: 1024px) {
  .hero-portrait img {
    width: 320px;
    height: 420px;
  }
}

/* Decorative element */
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(184, 134, 11, 0.06);
  pointer-events: none;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-dark {
  background: var(--color-primary);
  color: #ffffff;
}

.btn-dark:hover {
  background: var(--color-primary-hover);
}

/* --- Sections --- */
.section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-4);
}

@media (min-width: 768px) {
  .section { padding-inline: var(--space-8); }
}

.section-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-16));
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

/* Alternate background */
.section-alt {
  background: var(--color-surface);
}

/* --- Practice Areas / Cards --- */
.practice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
}

.practice-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.section-alt .practice-card {
  background: var(--color-bg);
}

.practice-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}

.practice-card .card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
}

.practice-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.practice-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.practice-card .card-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-top: var(--space-4);
}

/* Highlight card (Verkehrsrecht) */
.practice-card-highlight {
  border-color: var(--color-accent);
  position: relative;
  overflow: hidden;
}

.practice-card-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.about-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.stat-item {
  text-align: center;
  padding: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

.section-alt .stat-item {
  background: var(--color-bg);
}

.stat-item .stat-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat-item .stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
}

/* --- Locations Section --- */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}

.location-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive);
}

.section-alt .location-card {
  background: var(--color-bg);
}

.location-card:hover {
  box-shadow: var(--shadow-md);
}

.location-card .location-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.location-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.location-card address {
  font-style: normal;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.location-card .location-contact {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.location-card .location-contact a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  margin-bottom: var(--space-2);
}

.location-card .location-contact a:hover {
  color: var(--color-primary-hover);
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact-info > p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-detail .detail-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.contact-detail h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.contact-detail p,
.contact-detail a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  line-height: 1.5;
}

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

.contact-hours {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.section-alt .contact-hours {
  background: var(--color-bg);
}

.contact-hours h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.hours-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-divider);
}

.hours-row:last-child { border-bottom: none; }

.hours-row .day { color: var(--color-text); font-weight: 500; }
.hours-row .time { color: var(--color-text-muted); }

/* --- Footer --- */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-12) var(--space-4) var(--space-6);
}

[data-theme="dark"] .footer {
  background: #0a0a18;
}

.footer-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer h4 {
  color: #ffffff;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer p {
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 360px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* --- Scroll Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Utilities --- */
.text-accent { color: var(--color-accent); }
.bg-accent-light { background: var(--color-accent-light); }

/* --- Fax Info --- */
.fax-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

/* --- Central Fax & E-Mail Banner --- */
.central-fax {
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.section-alt .central-fax {
  background: var(--color-surface);
}

.central-contact-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.central-contact-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.central-contact-item a {
  color: var(--color-primary);
  text-decoration: none;
}

.central-contact-item a:hover {
  color: var(--color-primary-hover);
}

/* --- Card Link Hint (Verkehrsrecht) --- */
.card-link-hint {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--space-3);
  transition: transform var(--transition-interactive);
}

a.practice-card-highlight:hover .card-link-hint {
  transform: translateX(4px);
}

/* --- Impressum Section --- */
.impressum-content {
  max-width: var(--content-narrow);
  margin-inline: auto;
}

.impressum-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.impressum-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.impressum-content h4 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.impressum-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.impressum-content a {
  color: var(--color-primary);
  text-decoration: none;
}

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

.impressum-content ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.impressum-content li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

/* ============================================
   VERKEHRSRECHT LANDING PAGE
   ============================================ */

/* --- VR Hero --- */
.vr-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0e0e3a 100%);
  color: var(--color-text-inverse);
  text-align: center;
  padding: var(--space-20) var(--space-4) var(--space-12);
}

[data-theme="dark"] .vr-hero {
  background: linear-gradient(135deg, #1a1a40 0%, #0a0a20 100%);
}

.vr-hero-inner {
  max-width: var(--content-default);
  margin-inline: auto;
}

.vr-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: var(--space-6);
}

.vr-hero p {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.vr-hero .hero-actions {
  justify-content: center;
}

/* --- Table of Contents Grid --- */
.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(200px, 100%), 1fr));
  gap: var(--space-4);
}

.toc-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-interactive);
}

.toc-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  color: var(--color-primary);
}

.toc-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  color: var(--color-accent);
}

/* --- VR Content Sections --- */
.vr-content {
  max-width: var(--content-default);
  margin-inline: auto;
}

.vr-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.vr-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.vr-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

/* --- Info Boxes --- */
.info-box {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
}

.section-alt .info-box {
  background: var(--color-bg);
}

.info-box-accent {
  border-left-color: var(--color-accent);
}

.info-box h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.info-box p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.info-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.info-box li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  padding: var(--space-2) 0;
  padding-left: var(--space-6);
  position: relative;
}

.info-box li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.info-box li + li {
  border-top: 1px solid var(--color-divider);
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

/* --- CTA Section --- */
.vr-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0e0e3a 100%);
  color: #ffffff;
  padding: var(--space-16) var(--space-4);
  text-align: center;
}

[data-theme="dark"] .vr-cta {
  background: linear-gradient(135deg, #1a1a40 0%, #0a0a20 100%);
}

.cta-content {
  max-width: var(--content-default);
  margin-inline: auto;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.cta-content p {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
  max-width: 540px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.cta-contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}