/* ==========================================================================
   SINNERSUITE - ELEGANT BRIGHT ADULT DATING STYLESHEET
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette - Vibrant Red & Clean Light Glass */
  --bg-card: rgba(255, 255, 255, 0.92);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  
  --primary-red: #e50914;
  --primary-red-hover: #c80813;
  --primary-gradient: linear-gradient(135deg, #e50914 0%, #c80813 100%);
  
  --border-subtle: rgba(0, 0, 0, 0.1);
  --border-active: #e50914;
  
  --text-main: #111827;
  --text-sub: #374151;
  --text-muted: #6b7280;
  
  /* Fonts */
  --font-heading: 'Cinzel', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Radii */
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 50px;
}

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

html {
  min-height: 100%;
}

body {
  width: 100%;
  min-height: 100vh;
  background-color: transparent;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Bright Natural Background Image Layer */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url('assets/dd.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.95;
  z-index: -1;
  pointer-events: none;
}

/* App Main Layout Wrapper */
.app-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   NAVBAR HEADER
   ========================================================================== */
.navbar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1.5px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.nav-brand-left {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-left {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.brand-logo-left:hover {
  transform: scale(1.06);
}

.brand-name-centered {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: 3px;
  color: #111827;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: #374151;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s ease;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2.5px;
  background-color: var(--primary-red);
  border-radius: 2px;
}

.private-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(229, 9, 20, 0.08);
  border: 1.5px solid rgba(229, 9, 20, 0.35);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--primary-red);
  text-transform: uppercase;
}

.badge-pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary-red);
  border-radius: 50%;
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.6; }
  100% { transform: scale(0.95); opacity: 1; }
}

/* ==========================================================================
   MAIN SPLIT LAYOUT (LEFT QUIZ + RIGHT HANGING SCREEN)
   ========================================================================== */
.quiz-page-layout.split-layout {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 36px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 30px 20px;
  position: relative;
  width: 100%;
}

/* LEFT COLUMN: COMPACT QUIZ QUESTION SESSION */
.left-quiz-col {
  flex: 0.85;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* RIGHT COLUMN: PROMINENT LARGE HANGING IMAGE DISPLAY SCREEN */
.right-hanging-col {
  flex: 1.25;
  max-width: 580px;
  display: flex;
  justify-content: center;
  position: relative;
  padding-top: 90px;
  perspective: 1200px; /* 3D Perspective for Realistic Depth */
}

/* Hanging Chains Outer Container */
.hanging-chains-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-style: preserve-3d;
  transform-origin: top center;
}

/* 3D Realistic Pendulum Swing Back to Front Animation */
.swinging-anim {
  animation: realPendulumSwing 4.5s cubic-bezier(0.42, 0.0, 0.58, 1.0) infinite alternate;
  transform-style: preserve-3d;
  transform-origin: top center;
}

@keyframes realPendulumSwing {
  0% {
    transform: rotateX(-18deg) translateZ(-50px) translateY(-8px) scale(0.92);
    filter: brightness(0.95);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  }
  50% {
    transform: rotateX(0deg) translateZ(0px) translateY(10px) scale(1.01);
    filter: brightness(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.14);
  }
  100% {
    transform: rotateX(18deg) translateZ(50px) translateY(-8px) scale(1.06);
    filter: brightness(1.05);
    box-shadow: 0 32px 55px rgba(0, 0, 0, 0.22);
  }
}

/* Realistic 3D Metallic Link Chains anchored inside navbar area */
.chain {
  position: absolute;
  top: -130px;
  width: 14px;
  height: 155px;
  background: repeating-linear-gradient(
    180deg,
    #334155 0px,
    #64748b 3px,
    #94a3b8 6px,
    #cbd5e1 9px,
    #e50914 12px,
    #1e293b 15px,
    #0f172a 18px
  );
  border-left: 2px solid #cbd5e1;
  border-right: 2px solid #475569;
  border-radius: 7px;
  box-shadow: 3px 6px 14px rgba(0, 0, 0, 0.25), inset -2px 0 4px rgba(0, 0, 0, 0.4);
  z-index: 10;
}

.chain::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 14px;
  background: linear-gradient(180deg, #64748b, #1e293b);
  border: 2px solid #94a3b8;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.chain-left {
  left: 58px;
}

.chain-right {
  right: 58px;
}

/* Hanging Screen Frame */
.hanging-screen-frame {
  width: 100%;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 3px solid #1e293b;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12), 0 0 15px rgba(229, 9, 20, 0.15);
  position: relative;
  transform-style: preserve-3d;
}

.screen-top-bar {
  background: linear-gradient(90deg, #0f172a, #1e293b);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 2px solid var(--primary-red);
}

.chain-ring {
  width: 16px;
  height: 16px;
  border: 3px solid #e50914;
  border-radius: 50%;
  position: absolute;
  top: -8px;
  background: #0f172a;
}

.chain-ring-left { left: 56px; }
.chain-ring-right { right: 56px; }

.screen-brand-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: #ffffff;
}

.screen-display-area {
  width: 100%;
  height: 560px;
  position: relative;
  background: rgba(15, 23, 42, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hanging-screen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.screen-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
}

.placeholder-icon {
  font-size: 2.5rem;
}

.placeholder-text {
  font-size: 0.95rem;
  font-weight: 600;
}

/* ==========================================================================
   QUIZ CARDS & PROGRESS
   ========================================================================== */
/* Progress Bar */
.quiz-progress-bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress-step-pill {
  align-self: flex-start;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary-red);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(229, 9, 20, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.progress-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: 4px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Quiz Card Wrapper */
.quiz-card-wrapper {
  position: relative;
  width: 100%;
}

.quiz-card {
  display: none;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  border-radius: var(--radius-lg);
  padding: 16px 0px;
  box-shadow: none;
  animation: cardFadeIn 0.35s ease forwards;
}

.quiz-card.active {
  display: block;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Quiz Title & Header */
.quiz-header {
  margin-bottom: 24px;
  text-align: left;
}

.quiz-question-title {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.35;
  color: #111827;
  letter-spacing: 0.5px;
}

/* Options Pill Grid */
.options-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.option-pill {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  background: rgba(255, 255, 255, 0.85);
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-md);
  color: #1f2937;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  outline: none;
}

.option-pill:hover {
  background: #ffffff;
  border-color: var(--primary-red);
  color: #111827;
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(229, 9, 20, 0.1);
}

.option-pill.active {
  background: rgba(229, 9, 20, 0.08);
  border-color: var(--primary-red);
  color: var(--primary-red);
  font-weight: 700;
}

.pill-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid #9ca3af;
  flex-shrink: 0;
  transition: all 0.2s ease;
  position: relative;
}

.option-pill.active .pill-dot {
  border-color: var(--primary-red);
  background-color: var(--primary-red);
}

.option-pill.active .pill-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background-color: #ffffff;
  border-radius: 50%;
}

.pill-label {
  flex: 1;
}

/* Checkbox Grid Options (Step 2) */
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 480px) {
  .checkbox-grid {
    grid-template-columns: 1fr;
  }
}

.option-checkbox-pill {
  cursor: pointer;
  user-select: none;
}

.option-checkbox-pill input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pill-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 16px;
  background: rgba(255, 255, 255, 0.85);
  border: 1.5px solid rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-md);
  color: #1f2937;
  font-weight: 600;
  transition: all 0.2s ease;
}

.option-checkbox-pill:hover .pill-box {
  background: #ffffff;
  border-color: var(--primary-red);
  color: #111827;
}

.option-checkbox-pill input[type="checkbox"]:checked + .pill-box {
  background: rgba(229, 9, 20, 0.08);
  border-color: var(--primary-red);
  color: var(--primary-red);
  font-weight: 700;
}

.check-mark {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1.5px solid #9ca3af;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: transparent;
  transition: all 0.2s ease;
}

.option-checkbox-pill input[type="checkbox"]:checked + .pill-box .check-mark {
  background-color: var(--primary-red);
  border-color: var(--primary-red);
  color: #ffffff;
}

/* Quiz Action Bar */
.quiz-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 10px;
}

.quiz-action-bar.flex-center {
  justify-content: center;
}

/* Primary CTA Button */
.btn-primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  background: var(--primary-gradient);
  border: none;
  border-radius: var(--radius-pill);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(229, 9, 20, 0.3);
  transition: all 0.25s ease;
}

.btn-primary-cta:hover {
  background: linear-gradient(135deg, #f40a16 0%, #c40812 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(229, 9, 20, 0.4);
}

.btn-primary-cta:active {
  transform: translateY(0);
}

.btn-access-catalog {
  width: 100%;
  padding: 18px 24px;
  font-size: 1.15rem;
}

/* Secondary Back Button */
.btn-secondary-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-pill);
  color: #374151;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-secondary-back:hover {
  background: #ffffff;
  color: #111827;
  border-color: rgba(0, 0, 0, 0.3);
}

/* STEP 07 - UNLOCKED READY BOX */
.final-ready-box {
  background: rgba(229, 9, 20, 0.06);
  border: 1px solid rgba(229, 9, 20, 0.25);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.ready-check-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #ffffff;
  flex-shrink: 0;
}

.ready-text {
  font-size: 1.05rem;
  color: #374151;
  line-height: 1.5;
}

.ready-text strong {
  color: #111827;
}

/* Unlocked Profiles Gallery Grid */
.unlocked-profiles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.profile-thumb-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 96px;
  border: 2px solid rgba(229, 9, 20, 0.4);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.profile-thumb-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.profile-thumb-card:hover img {
  transform: scale(1.08);
}

.online-status-dot {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 10px;
  height: 10px;
  background-color: #22c55e;
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.6);
}

/* PROMINENT ENLARGED BOTTOM BRAND LOGO CARD */
.quiz-bottom-logo-area {
  display: flex;
  justify-content: center;
  margin-top: 14px;
}

.quiz-bottom-logo-card {
  padding: 16px 42px;
  background: rgba(255, 255, 255, 0.95);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(12px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.quiz-bottom-logo-card:hover {
  transform: scale(1.04);
}

.quiz-bottom-logo-img {
  height: 76px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* ==========================================================================
   STATIC PAGES (CONTACT, PRIVACY, TERMS)
   ========================================================================== */
.page-card {
  width: 100%;
  max-width: 780px;
  margin: 40px auto;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 42px 36px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.page-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #111827;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 32px;
  line-height: 1.6;
}

.policy-section {
  margin-bottom: 30px;
}

.policy-section h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--primary-red);
  margin-bottom: 12px;
}

.policy-section p {
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 12px;
}

.policy-section ul {
  list-style: none;
  padding-left: 0;
}

.policy-section li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--text-sub);
}

.policy-section li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--primary-red);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-sub);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #111827;
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: all 0.2s ease;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--primary-red);
  background: #ffffff;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.btn-submit {
  align-self: flex-start;
  margin-top: 10px;
}

.btn-home-link {
  margin-top: 24px;
}

/* ==========================================================================
   ENHANCED FOOTER
   ========================================================================== */
.app-footer {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  border-top: 1.5px solid var(--border-subtle);
  margin-top: auto;
  padding: 40px 20px 20px 20px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.footer-logo-img {
  height: 44px;
  width: auto;
}

.footer-brand-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: #111827;
}

.footer-tagline {
  font-size: 0.92rem;
  color: #4b5563;
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 14px;
}

.footer-links-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-column a {
  color: #4b5563;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.footer-links-column a:hover {
  color: var(--primary-red);
}

.trust-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.trust-badge {
  font-size: 0.88rem;
  color: #374151;
  font-weight: 600;
}

.footer-bottom-bar {
  max-width: 1200px;
  margin: 20px auto 0 auto;
  text-align: center;
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (LAPTOP, TABLET, MOBILE)
   ========================================================================== */

/* Laptop & Small Desktop Screens (1024px to 1366px) */
@media (max-width: 1280px) {
  .navbar {
    padding: 16px 32px;
  }

  .quiz-page-layout.split-layout {
    gap: 28px;
    padding: 24px 16px;
  }

  .left-quiz-col {
    max-width: 520px;
  }

  .right-hanging-col {
    max-width: 440px;
    padding-top: 80px;
  }

  .screen-display-area {
    height: 420px;
  }
}

/* Tablets & iPad Horizontal (768px to 1023px) */
@media (max-width: 1023px) {
  .navbar {
    padding: 14px 24px;
  }

  .nav-menu {
    gap: 16px;
  }

  .nav-link {
    font-size: 0.88rem;
  }

  .quiz-page-layout.split-layout {
    gap: 24px;
  }

  .screen-display-area {
    height: 360px;
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

/* Small Tablets & Mobile Devices (<768px) */
@media (max-width: 767px) {
  .navbar {
    padding: 12px 16px;
  }
  
  .brand-logo-left {
    height: 36px;
  }
  
  .brand-name-centered {
    font-size: 1.25rem;
    letter-spacing: 1.5px;
  }

  .nav-menu {
    display: none; /* Collapsed for clean mobile header */
  }

  .private-badge span:not(.badge-pulse-dot) {
    display: none;
  }

  .quiz-page-layout.split-layout {
    flex-direction: column;
    align-items: center;
    padding: 16px 12px;
    gap: 24px;
  }

  .left-quiz-col, .right-hanging-col {
    max-width: 100%;
    width: 100%;
  }

  .right-hanging-col {
    padding-top: 65px;
  }

  .screen-display-area {
    height: 320px;
  }

  .quiz-card {
    padding: 24px 18px;
  }

  .quiz-question-title {
    font-size: 1.35rem;
  }

  .quiz-bottom-logo-img {
    height: 52px;
  }

  .quiz-bottom-logo-card {
    padding: 12px 28px;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}