/* ═══════════════════════════════════════════════════════════════
   style.css — Lital Quiz Marketing Page
   Mobile-first, RTL, Hebrew
   Design system: Primary #2563EB, Secondary #7C3AED, Accent #F59E0B
   Background #EFF6FF, Foreground #0F172A
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ────────────────────────────────────── */
:root {
  /* Brand colors */
  --primary:        #2563EB;
  --primary-dark:   #1D4ED8;
  --primary-light:  #3B82F6;
  --primary-pale:   #DBEAFE;
  --secondary:      #7C3AED;
  --secondary-dark: #6D28D9;
  --secondary-light:#8B5CF6;
  --accent:         #F59E0B;
  --accent-dark:    #D97706;

  /* Semantic colors */
  --success:        #10B981;
  --error:          #EF4444;
  --white:          #FFFFFF;

  /* Background & text */
  --bg:             #EFF6FF;
  --bg-card:        #FFFFFF;
  --fg:             #0F172A;
  --text-sub:       #475569;
  --text-muted:     #94A3B8;
  --border:         #E2E8F0;
  --border-focus:   var(--primary);

  /* Gradients */
  --grad-primary:   linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --grad-hero:      linear-gradient(160deg, #1E3A8A 0%, #2563EB 45%, #7C3AED 100%);
  --grad-progress:  linear-gradient(90deg, #2563EB 0%, #7C3AED 100%);
  --grad-btn:       linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --grad-accent:    linear-gradient(90deg, #F59E0B, #EF4444);

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(15,23,42,0.08), 0 1px 2px rgba(15,23,42,0.06);
  --shadow-md:  0 4px 12px rgba(37,99,235,0.12), 0 2px 6px rgba(15,23,42,0.08);
  --shadow-lg:  0 12px 32px rgba(37,99,235,0.16), 0 4px 12px rgba(15,23,42,0.10);
  --shadow-xl:  0 20px 48px rgba(37,99,235,0.20), 0 8px 20px rgba(15,23,42,0.12);
  --shadow-focus: 0 0 0 3px rgba(37,99,235,0.35);

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.22s var(--ease-in-out);
  --transition-fast: 0.15s var(--ease-out);
  --transition-slow: 0.35s var(--ease-out);
}

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

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  font-family: 'Heebo', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--fg);
  direction: rtl;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── Focus Rings — visible for keyboard nav ───────────────────── */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* Remove outline for mouse users */
:focus:not(:focus-visible) {
  outline: none;
}

/* ── Screens ──────────────────────────────────────────────────── */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  transform: translateY(16px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.screen.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  z-index: 1;
}

.screen.exit {
  opacity: 0;
  transform: translateY(-16px);
  pointer-events: none;
}

/* ── Accessibility utility ────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}


/* ═══════════════ LOADING ════════════════════════════════════════ */
.screen-loading {
  background: var(--grad-hero);
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255,255,255,0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.loading-text {
  margin-top: 16px;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 500;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* ═══════════════ WELCOME ════════════════════════════════════════ */
.screen-welcome {
  background: var(--grad-hero);
  /* Subtle texture overlay */
  background-image:
    var(--grad-hero),
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(124,58,237,0.35) 0%, transparent 70%);
  padding: 20px 20px max(env(safe-area-inset-bottom), 28px);
  padding-top: max(env(safe-area-inset-top), 24px);
  justify-content: flex-start;
  align-items: center;
}

.welcome-card {
  width: 100%;
  max-width: 440px;
  text-align: center;
  padding: 8px 0 16px;
  animation: fadeUp 0.5s var(--ease-out) both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.welcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.18);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 22px;
  letter-spacing: 0.03em;
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
}

.badge-icon {
  opacity: 0.9;
}

.welcome-headline {
  font-size: clamp(2rem, 9vw, 2.9rem);
  font-weight: 900;
  line-height: 1.18;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.headline-highlight {
  position: relative;
  display: inline-block;
  background: linear-gradient(90deg, #FCD34D 0%, #F59E0B 60%, #EF4444 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-subline {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.82);
  font-weight: 500;
  margin-bottom: 28px;
}

.welcome-benefits {
  list-style: none;
  text-align: right;
  margin: 0 auto 28px;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.welcome-benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.13);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.15);
  min-height: 48px; /* touch target */
}

.benefit-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(255,255,255,0.18);
  border-radius: var(--radius-xs);
  color: #fff;
}

/* CTA Button on welcome */
.btn-primary {
  background: var(--white);
  color: var(--primary-dark);
  box-shadow: var(--shadow-lg), 0 0 0 0 rgba(245,158,11,0);
  width: 100%;
  font-size: 1.1rem;
  padding: 18px 28px;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition);
}

.btn-primary:hover {
  background: var(--primary-pale);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-primary:active {
  transform: scale(0.97) translateY(0);
  box-shadow: var(--shadow-md);
}

/* Pulse animation on load */
.btn-primary {
  animation: pulse-glow 2.5s ease-in-out 1.2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--shadow-lg), 0 0 0 0 rgba(255,255,255,0.4); }
  50%       { box-shadow: var(--shadow-xl), 0 0 0 8px rgba(255,255,255,0); }
}

.welcome-trust {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.68);
  line-height: 1.5;
}

.trust-item svg {
  flex-shrink: 0;
  opacity: 0.75;
}

.trust-item strong {
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}


/* ═══════════════ QUIZ SCREEN ════════════════════════════════════ */
.screen-quiz {
  background: var(--bg);
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  padding: 0;
}

/* Header */
.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  padding-top: max(env(safe-area-inset-top), 14px);
  background: var(--grad-primary);
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37,99,235,0.2);
}

.quiz-logo {
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  opacity: 0.95;
}

.quiz-progress-info {
  font-size: 0.82rem;
  font-weight: 600;
  opacity: 0.85;
  background: rgba(255,255,255,0.15);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* Progress bar */
.progress-bar-wrap {
  flex-shrink: 0;
  height: 6px;
  background: rgba(37,99,235,0.12);
}

.progress-bar-track {
  width: 100%;
  height: 100%;
  background: var(--primary-pale);
}

.progress-bar-fill {
  height: 100%;
  background: var(--grad-progress);
  transition: width 0.45s var(--ease-out);
  border-radius: 0 4px 4px 0;
  position: relative;
}

/* Shimmer on progress bar fill */
.progress-bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.35) 50%, transparent 100%);
  animation: shimmer 2s ease-in-out infinite;
  border-radius: inherit;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

/* Main question area */
.quiz-main {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 20px 16px 12px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.question-container {
  width: 100%;
  max-width: 500px;
}

/* Slide-in animation for new questions */
.question-container.slide-in {
  animation: slideInRight 0.25s var(--ease-out) both;
}

.question-container.slide-in-back {
  animation: slideInLeft 0.25s var(--ease-out) both;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(28px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-28px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Question card */
.question-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 24px 20px 22px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(37,99,235,0.07);
}

.question-number {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  background: var(--primary-pale);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.question-text {
  font-size: clamp(1.05rem, 4.5vw, 1.22rem);
  font-weight: 800;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.question-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 400;
  line-height: 1.5;
}

/* Contact section icon */
.contact-icon-svg {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--primary-pale);
  border-radius: var(--radius-md);
  color: var(--primary);
  margin-bottom: 14px;
}

/* ── Options (radio-like) ──────────────────────────────────────── */
.options-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.options-list li {
  display: contents;
}

.option-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 54px; /* 44px minimum + padding comfort */
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  cursor: pointer;
  font-family: 'Heebo', sans-serif;
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--fg);
  text-align: right;
  direction: rtl;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  line-height: 1.4;
  position: relative;
  overflow: hidden;
}

/* Ripple on tap */
.option-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  border-radius: inherit;
}

.option-btn:hover {
  border-color: var(--primary-light);
  background: var(--primary-pale);
  transform: translateX(-2px);
}

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

.option-btn.selected {
  border-color: var(--primary);
  background: var(--primary-pale);
  color: var(--primary-dark);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-sm);
}

.option-btn.selected .option-icon {
  transform: scale(1.15);
  color: var(--primary);
}

/* Check indicator on selected */
.option-btn.selected::after {
  content: '';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18' fill='none'%3E%3Cpath d='M5 9L7.5 11.5L13 6' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: contain;
}

/* Option icon (replaces emoji) */
.option-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast), color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(37,99,235,0.08);
  border-radius: var(--radius-xs);
  color: var(--text-sub);
  font-style: normal;
}

/* Keep emoji in option-icon when emoji is present (questions.js has emojis in labels) */
.option-icon-emoji {
  font-size: 1.15rem;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  line-height: 1;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Likert scale ──────────────────────────────────────────────── */
.likert-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.likert-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0 4px;
}

.likert-scale {
  display: flex;
  justify-content: space-between;
  gap: 6px;
}

.likert-btn {
  flex: 1;
  aspect-ratio: 1;
  min-height: 48px; /* 44px+ touch target */
  max-width: 56px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  font-family: 'Heebo', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-sub);
  transition: all var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.likert-btn:hover {
  border-color: var(--primary-light);
  background: var(--primary-pale);
  color: var(--primary-dark);
  transform: scale(1.06);
}

.likert-btn:active {
  transform: scale(0.94);
}

.likert-btn.selected {
  background: var(--grad-btn);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-md);
  transform: scale(1.1);
}

.likert-hint {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-align: center;
  font-weight: 400;
  line-height: 1.5;
}

/* ── Contact inputs ────────────────────────────────────────────── */
.contact-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.contact-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-sub);
  padding-right: 2px;
}

.contact-input {
  width: 100%;
  min-height: 52px; /* 44px+ touch target */
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  font-family: 'Heebo', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--fg);
  background: var(--bg);
  direction: rtl;
  text-align: right;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  -webkit-appearance: none;
}

.contact-input:focus {
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
  background: #fff;
}

.contact-input.valid {
  border-color: var(--success);
}

.contact-input.invalid {
  border-color: var(--error);
}

.contact-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* Phone and email: LTR value, RTL layout */
.contact-input[type="tel"],
.contact-input[type="email"] {
  direction: ltr;
  text-align: left;
}

.input-error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 4px;
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 4px;
}

.input-error.visible {
  display: flex;
}

/* ── Quiz footer ───────────────────────────────────────────────── */
.quiz-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  padding-bottom: max(env(safe-area-inset-bottom), 16px);
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  gap: 12px;
  box-shadow: 0 -2px 8px rgba(15,23,42,0.05);
}


/* ═══════════════ SUBMITTING ══════════════════════════════════════ */
.screen-submitting {
  background: var(--grad-primary);
}

.submitting-inner {
  text-align: center;
  animation: fadeUp 0.4s var(--ease-out) both;
}

.spinner-white {
  border-color: rgba(255,255,255,0.25);
  border-top-color: #fff;
  margin: 0 auto 24px;
  width: 52px;
  height: 52px;
  border-width: 4px;
}

.submitting-title {
  color: #fff;
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.submitting-sub {
  color: rgba(255,255,255,0.72);
  font-size: 0.95rem;
}


/* ═══════════════ THANK YOU ══════════════════════════════════════ */
.screen-thankyou {
  background: var(--grad-hero);
  padding: 24px 20px;
  padding-top: max(env(safe-area-inset-top), 24px);
  padding-bottom: max(env(safe-area-inset-bottom), 24px);
}

.thankyou-card {
  width: 100%;
  max-width: 420px;
  margin: auto;
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-xl);
  padding: 36px 24px 32px;
  text-align: center;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255,255,255,0.2);
  animation: popIn 0.5s var(--ease-out) both;
}

@keyframes popIn {
  from { transform: scale(0.88); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.thankyou-icon {
  margin: 0 auto 16px;
  animation: bounceIn 0.6s var(--ease-out) 0.2s both;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes bounceIn {
  0%   { transform: scale(0); opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); }
}

.thankyou-title {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.thankyou-main {
  font-size: 1.08rem;
  font-weight: 600;
  color: rgba(255,255,255,0.92);
  line-height: 1.65;
  margin-bottom: 24px;
}

/* Next steps */
.thankyou-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  text-align: right;
}

.thankyou-step {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  border: 1px solid rgba(255,255,255,0.12);
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  background: rgba(255,255,255,0.22);
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.thankyou-step span:last-child {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.88);
  font-weight: 500;
  line-height: 1.4;
}

.thankyou-divider {
  height: 1px;
  background: rgba(255,255,255,0.2);
  margin: 0 auto 20px;
  width: 55%;
}

.thankyou-sub {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.6;
  margin-bottom: 18px;
}

.thankyou-footer {
  margin-top: 20px;
  font-size: 0.76rem;
  color: rgba(255,255,255,0.45);
  font-weight: 500;
}


/* ═══════════════ BUTTONS ════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  min-height: 48px; /* 44px+ touch target */
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Heebo', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    filter var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
  letter-spacing: -0.01em;
}

.btn:disabled {
  opacity: 0.38;
  pointer-events: none;
}

.btn:active {
  transform: scale(0.96);
}

/* btn-primary defined above in welcome section */
.btn-large {
  font-size: 1.15rem;
  min-height: 58px;
  padding: 18px 32px;
  border-radius: var(--radius-lg);
}

.btn-secondary {
  background: var(--grad-btn);
  color: #fff;
  box-shadow: var(--shadow-sm);
  flex: 1;
  padding: 13px 24px;
}

.btn-secondary:hover {
  box-shadow: var(--shadow-md);
  filter: brightness(1.07);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-sub);
  border: 2px solid var(--border);
  padding: 12px 18px;
  min-height: 48px;
}

.btn-ghost:hover {
  background: var(--primary-pale);
  border-color: var(--primary-light);
  color: var(--primary-dark);
}

.btn-ghost:disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* WhatsApp button */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff;
  font-family: 'Heebo', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 15px 28px;
  min-height: 52px;
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(37,211,102,0.35);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
  letter-spacing: -0.01em;
}

.btn-whatsapp:hover {
  background: #1DB954;
  box-shadow: 0 6px 22px rgba(37,211,102,0.45);
  transform: translateY(-1px);
}

.btn-whatsapp:active {
  transform: scale(0.97);
}

/* Submit button (last question) */
.btn-submit {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(16,185,129,0.35);
}

.btn-submit:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px 20px rgba(16,185,129,0.45);
}


/* ═══════════════ ERROR TOAST ════════════════════════════════════ */
.error-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: var(--error);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 9999;
  box-shadow: 0 4px 20px rgba(239,68,68,0.35);
  text-align: center;
  max-width: 320px;
  width: 90%;
  animation: toastIn 0.3s var(--ease-out) both;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}


/* ═══════════════ RESPONSIVE ════════════════════════════════════ */
@media (min-width: 480px) {
  .welcome-headline {
    font-size: 3.1rem;
  }

  .question-text {
    font-size: 1.22rem;
  }

  .quiz-main {
    padding: 28px 24px 16px;
  }

  .question-card {
    padding: 30px 28px 26px;
  }

  .likert-btn {
    max-width: 60px;
    min-height: 54px;
  }
}

@media (min-width: 768px) {
  .screen-quiz {
    background: var(--grad-hero);
  }

  .quiz-main {
    justify-content: center;
    align-items: center;
    padding: 40px 32px;
  }

  .question-card {
    border-radius: var(--radius-xl);
    padding: 40px 36px 36px;
    box-shadow: var(--shadow-xl);
  }

  .quiz-footer {
    max-width: 560px;
    margin: 0 auto;
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 16px 0 32px;
  }

  .quiz-footer .btn-ghost {
    color: rgba(255,255,255,0.82);
    border-color: rgba(255,255,255,0.28);
  }

  .quiz-footer .btn-ghost:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.5);
    color: #fff;
  }

  /* On desktop, header blends with background */
  .quiz-header {
    background: rgba(255,255,255,0.10);
    backdrop-filter: blur(12px);
    box-shadow: none;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    max-width: 100%;
  }

  .quiz-logo,
  .quiz-progress-info {
    color: rgba(255,255,255,0.92);
  }

  .progress-bar-wrap {
    background: rgba(255,255,255,0.12);
  }

  .progress-bar-track {
    background: rgba(255,255,255,0.15);
  }
}

/* ── Reduced motion ────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}