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

:root {
  /* Color Tokens - Dark Mode Default */
  --bg-primary: #0A0D14;
  --bg-secondary: #111625;
  --bg-card: rgba(22, 29, 48, 0.6);
  --bg-card-opaque: #161D30;
  --text-primary: #F5F7FA;
  --text-secondary: #8A99AD;
  --text-muted: #64748B;
  --accent: #00E5FF;
  --accent-rgb: 0, 229, 255;
  --accent-secondary: #2979FF;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  --shadow: rgba(0, 0, 0, 0.5);
  --glow-shadow: rgba(0, 229, 255, 0.15);
  --accent-color: var(--accent);
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  
  /* Color space variables for gradients */
  --in-oklab: ;
  --in-oklch: ;
  
  /* Scrollbar styles */
  --scrollbar-thumb: #1E293B;
  --scrollbar-track: #0F172A;
}

@supports (linear-gradient(in oklab, white, black)) {
  :root {
    --in-oklab: in oklab;
    --in-oklch: in oklch;
  }
}

/* Light Theme Overrides */
:root[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #F1F5F9;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-opaque: #FFFFFF;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --accent: #0284C7;
  --accent-rgb: 2, 132, 199;
  --accent-secondary: #0369A1;
  --border: rgba(15, 23, 42, 0.08);
  --border-light: rgba(15, 23, 42, 0.15);
  --shadow: rgba(0, 0, 0, 0.05);
  --glow-shadow: rgba(2, 132, 199, 0.08);
  --scrollbar-thumb: #CBD5E1;
  --scrollbar-track: #F1F5F9;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-primary: #F8FAFC;
    --bg-secondary: #F1F5F9;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-opaque: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --accent: #0284C7;
    --accent-rgb: 2, 132, 199;
    --accent-secondary: #0369A1;
    --border: rgba(15, 23, 42, 0.08);
    --border-light: rgba(15, 23, 42, 0.15);
    --shadow: rgba(0, 0, 0, 0.05);
    --glow-shadow: rgba(2, 132, 199, 0.08);
    --scrollbar-thumb: #CBD5E1;
    --scrollbar-track: #F1F5F9;
  }
}

/* Scrollbar styling */
html {
  scroll-behavior: smooth;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
    border: 2px solid var(--scrollbar-track);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
  }
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
  width: 100%;
  max-width: 100%;
}

/* Background Gradients (Atmospheric Lights) */
.mesh-glow {
  position: absolute;
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.3s ease;
}

.mesh-glow-1 {
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -10%;
  right: -10%;
}

.mesh-glow-2 {
  background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
  top: 40%;
  left: -20%;
}

/* Typography Utilities */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px 0 var(--shadow);
  border-radius: var(--border-radius-md);
}

.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 16px 0 var(--shadow);
  border-radius: var(--border-radius-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  min-height: 48px;
  transition: var(--transition-smooth);
}

.btn-accent {
  background-color: var(--accent);
  color: #0A0D14;
}

.btn-accent:hover {
  background-color: #FFFFFF;
  color: #0A0D14;
  transform: translateY(-2px);
}

.btn-glow:hover {
  box-shadow: 0 0 20px var(--accent);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

/* SITE HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  transition: background-color 0.3s ease;
}

:root[data-theme="light"] .site-header {
  background: rgba(248, 250, 252, 0.8);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.5rem;
}

.logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.2s ease, filter 0.3s ease;
  color: var(--accent);
  filter: url(#logo-tint) drop-shadow(0 0 8px rgba(0, 229, 255, 0.3));
}

.brand-logo:hover .logo-img {
  transform: scale(1.03);
  filter: url(#logo-tint) drop-shadow(0 0 12px var(--accent));
}

@media (max-width: 768px) {
  .logo-img {
    height: 30px;
  }
}

.logo-accent {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--accent);
  letter-spacing: -1px;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-sub {
  font-size: 0.55rem;
  letter-spacing: 2px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.main-navigation {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--accent);
}

.nav-btn-primary {
  background-color: var(--accent);
  color: #0A0D14;
  padding: 0.5rem 1.25rem;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
}

.nav-btn-primary:hover {
  background-color: var(--text-primary);
  color: var(--bg-primary);
}

/* Theme Switcher Button */
.theme-toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--accent);
  background-color: var(--border);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
}

/* Show solar icon in dark mode and moon in light mode */
.theme-icon-sun {
  display: block;
}
.theme-icon-moon {
  display: none;
}

:root[data-theme="light"] .theme-icon-sun {
  display: none;
}
:root[data-theme="light"] .theme-icon-moon {
  display: block;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

/* HERO SECTION */
.hero-section {
  padding: 6rem 0 4rem;
  position: relative;
  z-index: 1;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.badge-premium {
  display: inline-block;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.2);
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 0.35rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-metrics {
  display: flex;
  gap: 3rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--accent);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  padding: 8px;
  overflow: hidden;
  display: flex;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(var(--accent-rgb), 0.15);
  border-radius: var(--border-radius-md);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--border-radius-md) - 8px);
}

/* Floating Badges */
.visual-badge {
  position: absolute;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: float 6s ease-in-out infinite;
}

.visual-badge-1 {
  bottom: 10%;
  left: -8%;
}

.visual-badge-2 {
  top: 15%;
  right: -5%;
  animation-delay: 3s;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.status-dot.green {
  background-color: #10B981;
  box-shadow: 0 0 10px #10B981;
}

.badge-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-subtitle {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* BRANDS SECTION */
.brands-section {
  padding: 3rem 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  transition: background-color 0.3s ease;
}

.section-title-small {
  text-align: center;
  font-size: 0.95rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 2rem;
}

.brands-marquee-container {
  display: flex;
  overflow: hidden;
  user-select: none;
  mask-image: linear-gradient(to right, transparent, white 20%, white 80%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, white 20%, white 80%, transparent);
}

.brands-marquee {
  display: flex;
  gap: 2rem;
  animation: scrollMarquee 35s linear infinite;
  white-space: nowrap;
}

.brand-card {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 2rem;
  background: var(--bg-card-opaque);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.brand-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 15px var(--glow-shadow);
}

.brand-logo-svg {
  width: 48px;
  height: 30px;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.brand-card:hover .brand-logo-svg {
  color: var(--accent);
}

.brand-card span {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

/* SERVICES SECTION */
.services-section {
  padding: 7rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 2px;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  padding: 3rem 2rem;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 10px 40px 0 var(--shadow), 0 0 20px 0 var(--glow-shadow);
}

.service-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--accent);
}

.service-icon-wrapper svg {
  width: 28px;
  height: 28px;
}

.service-card-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.service-card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* AUCTIONS SECTION */
.auctions-section {
  padding: 6rem 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s ease;
}

.auctions-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.auctions-visual {
  position: relative;
}

.map-illustration {
  width: 100%;
  aspect-ratio: 1.6;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  background: radial-gradient(circle at center, rgba(16, 22, 38, 0.4), rgba(6, 9, 15, 0.75)), url('assets/map_bg.png') no-repeat center;
  background-size: cover;
  border: 1px solid var(--border);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 229, 255, 0.15);
}

.map-illustration::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to bottom, rgba(0, 229, 255, 0), rgba(0, 229, 255, 0.8), rgba(0, 229, 255, 0));
  opacity: 0.3;
  pointer-events: none;
  animation: scanline 8s linear infinite;
}

@keyframes scanline {
  0% { top: 0%; }
  50% { top: 100%; }
  100% { top: 0%; }
}

.auctions-content {
  display: flex;
  flex-direction: column;
}

.auction-list {
  list-style: none;
  margin-top: 2rem;
  display: grid;
  gap: 1.5rem;
}

.auction-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border-left: 2px solid var(--accent);
  padding-left: 1.25rem;
}

.auction-list strong {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-primary);
}

.auction-list span {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* CLIENTS SECTION */
.clients-section {
  padding: 7rem 0;
}

.clients-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.client-card {
  padding: 4rem 3rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.client-card.B2B {
  border-color: var(--accent);
  box-shadow: 0 10px 30px var(--shadow), 0 0 15px var(--glow-shadow);
}

.badge-card-accent {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--accent);
  color: #0A0D14;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
}

.client-title {
  font-size: 1.85rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.client-benefits {
  list-style: none;
  display: grid;
  gap: 1.25rem;
}

.client-benefits li {
  font-size: 1.05rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 2rem;
}

.client-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.1rem;
}

/* INTERACTIVE QUIZ SECTION */
.quiz-section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

.quiz-container-inner {
  padding: 4.5rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.quiz-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.badge-quiz {
  display: inline-block;
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.15);
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 0.25rem 0.85rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.quiz-main-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.quiz-main-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Progress Tracker */
.quiz-progress-wrapper {
  margin-top: 2.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  height: 6px;
  position: relative;
  overflow: visible;
}

.quiz-progress-bar {
  background: linear-gradient(to right, var(--accent-secondary), var(--accent));
  height: 100%;
  border-radius: 10px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--accent);
}

.quiz-steps-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
}

.quiz-step-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.quiz-step-label.active {
  color: var(--accent);
}

/* Form steps toggle logic */
.quiz-step {
  border: none;
  display: flex;
  flex-direction: column;
}

.quiz-step.hidden {
  display: none;
}

.step-title {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  text-align: center;
  color: var(--text-primary);
}

/* Options Grid */
.quiz-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.quiz-options-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.quiz-options-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Custom Card Options (Radio/Checkbox overrides) */
.option-card {
  cursor: pointer;
  position: relative;
  display: block;
}

.option-card input[type="radio"],
.option-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.option-content {
  padding: 1.5rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition-fast);
  min-height: 140px;
  justify-content: center;
}

.option-card:hover .option-content {
  border-color: rgba(0, 229, 255, 0.3);
  background: rgba(0, 229, 255, 0.02);
}

.option-card input:focus-visible + .option-content {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.option-card input:checked + .option-content {
  background: rgba(0, 229, 255, 0.05);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.1);
}

.option-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.option-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.option-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Compact Option Cards */
.option-card.compact .option-content {
  min-height: 60px;
  padding: 0.75rem 0.5rem;
  border-radius: var(--border-radius-sm);
}

/* Input Fields Groups */
.quiz-form-group {
  margin-bottom: 2rem;
}

.quiz-group-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.quiz-input-label {
  display: block;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

/* Radio Tab Switch */
.radio-toggle-group {
  display: inline-flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 4px;
  border-radius: var(--border-radius-sm);
}

.toggle-btn {
  cursor: pointer;
  position: relative;
}

.toggle-btn input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-btn span {
  display: inline-block;
  padding: 0.65rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: calc(var(--border-radius-sm) - 4px);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.toggle-btn input:checked + span {
  background: var(--bg-card-opaque);
  color: var(--text-primary);
  box-shadow: 0 2px 8px var(--shadow);
}

.toggle-btn input:focus-visible + span {
  outline: 2px solid var(--accent);
}

/* Text & Textarea Inputs */
.quiz-text-input,
.quiz-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition-fast);
  min-height: 48px;
}

.quiz-text-input:focus,
.quiz-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.05);
}

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

/* Step 5 Grids */
.quiz-form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.consent-checkbox-wrapper {
  margin-top: 1.5rem;
}

.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

.consent-checkbox-label {
  display: flex;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  align-items: flex-start;
  gap: 0.75rem;
}

.consent-checkbox-label::before {
  content: "";
  display: inline-block;
  min-width: 16px;
  height: 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
  margin-top: 2px;
  transition: var(--transition-fast);
}

input[type="checkbox"]:checked + .consent-checkbox-label::before {
  background-color: var(--accent);
  border-color: var(--accent);
  content: "✓";
  color: #0A0D14;
  font-size: 11px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
}

input[type="checkbox"]:focus-visible + .consent-checkbox-label::before {
  outline: 2px solid var(--accent);
}

/* Quiz Controls Actions */
.quiz-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 3.5rem;
}

.quiz-actions .hidden {
  display: none;
}

.quiz-actions button {
  min-width: 150px;
}

/* SUCCESS SCREEN */
.quiz-success-screen {
  text-align: center;
  padding: 3rem 1rem;
  animation: scaleUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.quiz-success-screen.hidden {
  display: none;
}

.success-icon-container {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
}

.success-checkmark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: block;
  stroke-width: 3;
  stroke: var(--accent);
  stroke-miterlimit: 10;
  box-shadow: inset 0px 0px 0px var(--accent);
}

.success-checkmark-circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 3;
  stroke-miterlimit: 10;
  stroke: var(--accent);
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-checkmark-check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

.success-title {
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.success-message {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto 2.5rem;
}

/* SITE FOOTER */
.site-footer {
  background-color: #05070A;
  border-top: 1px solid var(--border);
  padding: 5rem 0 3rem;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 4rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo {
  margin-bottom: 1.5rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-contact-info {
  list-style: none;
  display: grid;
  gap: 1rem;
}

.footer-contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-contact-icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-link:hover {
  color: var(--accent);
}

.placeholder-text {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.85rem;
}

/* ANIMATIONS */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes scrollMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes stroke {
  100% { stroke-dashoffset: 0; }
}

@keyframes scaleUp {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* RESPONSIVE MEDIA QUERIES */

/* Large Tablets & Desktop */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .hero-content {
    align-items: center;
    text-align: center;
  }
  .hero-description {
    margin-inline: auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-metrics {
    justify-content: center;
    width: 100%;
  }
  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .auctions-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .clients-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .footer-info {
    grid-column: span 2;
  }
}

/* Phones & Small Tablets */
@media (max-width: 768px) {
  .site-header {
    padding: 0.75rem 0;
  }
  
  .nav-toggle {
    display: block;
    z-index: 10;
  }
  
  /* Mobile Menu Hamburger Icon */
  .hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    position: relative;
    transition: var(--transition-fast);
  }
  
  .hamburger::before,
  .hamburger::after {
    content: "";
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    position: absolute;
    transition: var(--transition-fast);
  }
  
  .hamburger::before { top: -8px; }
  .hamburger::after { bottom: -8px; }
  
  /* Menu expanded states */
  .nav-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
  }
  .nav-toggle[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg);
    top: 0;
  }
  .nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
  }
  
  .main-navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-primary);
    border-left: 1px solid var(--border);
    padding: 6rem 2rem 2rem;
    box-shadow: -10px 0 30px var(--shadow);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .main-navigation.active {
    right: 0;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
  }
  
  .nav-link {
    font-size: 1.15rem;
    display: block;
    width: 100%;
    padding: 0.5rem 0;
  }
  
  .nav-btn-primary {
    display: inline-block;
    text-align: center;
    width: 100%;
    padding: 0.75rem;
  }

  .hero-section {
    padding-top: 4rem;
  }
  
  .hero-metrics {
    flex-wrap: wrap;
    gap: 1.5rem 2.5rem;
  }
  
  .visual-badge {
    padding: 0.5rem 0.85rem;
  }
  .visual-badge-1 {
    bottom: 6%;
    left: 10px;
  }
  .visual-badge-2 {
    top: 6%;
    right: 10px;
  }
  
  .quiz-container-inner {
    padding: 2.5rem 1.5rem;
  }
  
  .quiz-options-grid {
    grid-template-columns: 1fr;
  }
  
  .quiz-options-grid-3,
  .quiz-options-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .quiz-form-grid-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .quiz-actions {
    flex-direction: column-reverse;
    gap: 1rem;
  }
  
  .quiz-actions button {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-info {
    grid-column: span 1;
  }
}

@media (max-width: 480px) {
  .quiz-options-grid-3,
  .quiz-options-grid-4 {
    grid-template-columns: 1fr;
  }
  
  .quiz-steps-labels {
    display: none;
  }
  
  .success-title {
    font-size: 1.6rem;
  }
  
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
}