/* ============================================================
   KSA KIIRTEST — Shared Styles
   KSA CVI: Geist font, #87be23 green, white bg, Apple-minimal
   ============================================================ */

/* --- Google Fonts: Geist --- */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  --color-bg: #ffffff;
  --color-surface: #f9f9f7;
  --color-surface-warm: #f5f3ee;
  --color-accent: #87be23;
  --color-accent-hover: #74a31e;
  --color-accent-light: rgba(135, 190, 35, 0.09);
  --color-text: #1a1a1a;
  --color-text-secondary: #5a6b6c;
  --color-text-muted: #9a9a9a;
  --color-border: #e6e6e6;
  --color-border-light: #f0eeea;
  --color-error: #e53e3e;
  --color-success-bg: #f0f9e0;

  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 100px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);

  --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, 2rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3rem);

  --content-max: 520px;
  --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;

  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slide: 220ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* --- Header --- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 60px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
}

.header__inner {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.header__logo svg {
  height: 36px;
  width: auto;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language switcher */
.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-switch a {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  padding: 4px 6px;
  border-radius: 5px;
  transition: color var(--transition);
}

.lang-switch a:hover { color: var(--color-text); }
.lang-switch a.active { color: var(--color-accent); }
.lang-switch .sep {
  color: var(--color-border);
  font-size: var(--text-xs);
  user-select: none;
}

/* Book button */
.btn-book {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn-book:hover { background: var(--color-accent-hover); transform: translateY(-1px); }

/* --- Progress Bar --- */
.progress-wrap {
  position: fixed;
  top: 60px;
  left: 0; right: 0;
  z-index: 90;
  height: 3px;
  background: var(--color-border-light);
}

.progress-bar {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 350ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-radius: 0 2px 2px 0;
}

/* --- Main layout --- */
.quiz-page {
  min-height: 100vh;
  padding-top: 63px;
  display: flex;
  flex-direction: column;
}

.quiz-container {
  flex: 1;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-10) var(--space-6) var(--space-16);
  width: 100%;
}

/* --- Step indicator --- */
.step-indicator {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-8);
  text-align: center;
}

.step-indicator strong {
  color: var(--color-accent);
  font-weight: 500;
}

/* --- Quiz steps wrapper --- */
.quiz-slides {
  position: relative;
  overflow: hidden;
  min-height: 320px;
}

.quiz-step {
  position: absolute;
  top: 0; left: 0; right: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(40px);
  transition: opacity var(--transition-slide), transform var(--transition-slide);
  will-change: transform, opacity;
}

.quiz-step.active {
  position: relative;
  opacity: 1;
  pointer-events: all;
  transform: translateX(0);
}

.quiz-step.exit-left {
  opacity: 0;
  transform: translateX(-40px);
}

/* --- Step content --- */
.step-question {
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  line-height: 1.25;
}

.step-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 300;
  margin-top: calc(-1 * var(--space-5));
  margin-bottom: var(--space-8);
}

/* --- Option buttons --- */
.option-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.option-grid--two {
  flex-direction: row;
  gap: var(--space-4);
}

.option-grid--two .opt-btn {
  flex: 1;
}

.opt-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--space-5);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text);
  text-align: left;
  min-height: 56px;
  transition: border-color var(--transition), background var(--transition), color var(--transition), transform var(--transition);
  cursor: pointer;
  width: 100%;
  position: relative;
  letter-spacing: -0.01em;
}

.opt-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.opt-btn.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-text);
  font-weight: 500;
}

.opt-btn.selected::after {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 6l2.5 2.5 4.5-5' stroke='%23fff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
  flex-shrink: 0;
}

/* Two-button layout for gender */
.option-grid--two .opt-btn {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  min-height: 80px;
}

.option-grid--two .opt-btn.selected::after {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 16px;
  height: 16px;
}

.opt-icon {
  font-size: 1.8rem;
  line-height: 1;
}

/* --- Navigation --- */
.quiz-nav {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  padding: 8px 0;
  transition: color var(--transition);
  background: none;
  border: none;
  cursor: pointer;
}
.btn-back:hover { color: var(--color-text); }
.btn-back svg { transition: transform var(--transition); }
.btn-back:hover svg { transform: translateX(-3px); }

.btn-next {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-text);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 14px var(--space-6);
  border-radius: var(--radius-pill);
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
  border: none;
  cursor: pointer;
  min-width: 140px;
  justify-content: center;
}

.btn-next:hover:not(:disabled) { background: #333; transform: translateY(-1px); }
.btn-next:disabled { opacity: 0.35; cursor: not-allowed; }

/* --- Result screen --- */
.result-screen {
  text-align: center;
  padding: var(--space-8) 0;
}

.result-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.result-icon--good { background: var(--color-accent-light); }
.result-icon--info { background: rgba(90, 107, 108, 0.09); }

.result-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.result-label--info { color: var(--color-text-secondary); }

.result-title {
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.25;
}

.result-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 300;
  line-height: 1.65;
  max-width: 380px;
  margin: 0 auto;
}

/* Divider */
.result-divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--space-10) 0;
}

/* --- Contact form --- */
.contact-section {
  text-align: center;
}

.contact-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.contact-title {
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.contact-sub {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 300;
  margin-bottom: var(--space-6);
}

/* Form */
.quiz-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: left;
}

.form-field {
  position: relative;
}

.form-field input {
  width: 100%;
  padding: 14px var(--space-5);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border-light);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-field input::placeholder { color: var(--color-text-muted); }
.form-field input:focus {
  border-color: var(--color-accent);
  background: #fff;
}

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-accent);
  color: #fff;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 16px var(--space-6);
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  width: 100%;
  transition: background var(--transition), transform var(--transition);
  margin-top: var(--space-2);
}
.btn-submit:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.form-privacy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 300;
  text-align: center;
  line-height: 1.5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* --- Thank you state --- */
.thankyou-state {
  text-align: center;
  padding: var(--space-8) 0;
}

.thankyou-icon {
  width: 56px;
  height: 56px;
  background: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
}

.thankyou-title {
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.thankyou-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 300;
  margin-bottom: var(--space-8);
}

.btn-cta-book {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 16px var(--space-8);
  border-radius: var(--radius-pill);
  transition: background var(--transition), transform var(--transition);
}
.btn-cta-book:hover { background: var(--color-accent-hover); transform: translateY(-2px); }

/* --- Stats bar --- */
.stats-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-6);
  margin-top: auto;
}

.stats-inner {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  text-align: center;
}

.stat-item {}

.stat-number {
  font-size: clamp(1.1rem, 1rem + 0.75vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--color-text);
  line-height: 1.1;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-weight: 300;
  margin-top: 4px;
  line-height: 1.3;
}

/* --- Animations --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.quiz-container { animation: fadeUp 400ms var(--transition) both; }

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .quiz-step, .progress-bar, .opt-btn, .btn-next, .btn-back { transition: none; }
  .quiz-container { animation: none; }
}

/* --- Mobile optimizations --- */
@media (max-width: 480px) {
  .header__inner { padding: 0 var(--space-4); }
  .quiz-container { padding: var(--space-8) var(--space-4) var(--space-16); }

  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .btn-book {
    padding: 7px 10px;
    font-size: 0.68rem;
    gap: 4px;
  }

  .lang-switch { gap: 3px; }
  .lang-switch a { padding: 3px 4px; }

  .step-question { font-size: clamp(1.25rem, 1.1rem + 1vw, 1.75rem); }
}

/* Keep gender buttons side-by-side on all mobile sizes */
@media (max-width: 380px) {
  .option-grid--two { flex-direction: row; }
  .option-grid--two .opt-btn { min-height: 72px; }
}

/* --- Loading spinner for submit --- */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn-submit.loading .spinner { display: block; }
.btn-submit.loading .btn-label { display: none; }

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

/* Error message */
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: 4px;
  display: none;
}