/* ========================================
   SPACE — Hero's Path Landing
   Colors from elsspace.ru
   ======================================== */

:root {
  --bg: #0d0d14;
  --bg-card: #1b1b21;
  --bg-card-hover: #24242e;
  --accent: #a6ff31;
  --accent-dim: rgba(166, 255, 49, 0.15);
  --accent-glow: rgba(166, 255, 49, 0.3);
  --text: #ffffff;
  --text-secondary: #9a9ab0;
  --text-muted: #5a5a72;
  --danger: #ff4d6a;
  --warning: #ffb84d;
  --success: #a6ff31;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 30px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Montserrat', Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ===== STARS ===== */
.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.stars::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 25% 45%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 40% 15%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 55% 70%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 70% 35%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 85% 60%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 15% 80%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 50% 50%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 90% 10%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 5% 55%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 33% 88%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 77% 22%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 62% 92%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 18% 38%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 95% 75%, rgba(255,255,255,0.3), transparent);
  animation: twinkle 8s ease-in-out infinite alternate;
}

.stars--medium::after {
  background-image:
    radial-gradient(1.5px 1.5px at 12% 33%, rgba(166,255,49,0.3), transparent),
    radial-gradient(2px 2px at 45% 67%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 78% 12%, rgba(166,255,49,0.2), transparent),
    radial-gradient(2px 2px at 34% 89%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 90% 45%, rgba(166,255,49,0.25), transparent),
    radial-gradient(2px 2px at 56% 23%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 8% 72%, rgba(166,255,49,0.2), transparent);
  animation: twinkle 12s ease-in-out infinite alternate-reverse;
}

.stars--large::after {
  background-image:
    radial-gradient(2.5px 2.5px at 20% 50%, rgba(166,255,49,0.4), transparent),
    radial-gradient(3px 3px at 65% 30%, rgba(255,255,255,0.3), transparent),
    radial-gradient(2px 2px at 80% 80%, rgba(166,255,49,0.3), transparent),
    radial-gradient(2.5px 2.5px at 40% 10%, rgba(255,255,255,0.2), transparent);
  animation: twinkle 15s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.7; }
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.screen {
  min-height: 100vh;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 60px 0;
  position: relative;
}

.screen.active {
  display: flex;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== BUTTONS ===== */
.btn {
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-pill);
  padding: 14px 32px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--accent);
  color: #0f0f0f;
}

.btn--primary:hover {
  background: #b8ff5c;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn--secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn--secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn--ghost:hover {
  color: var(--text);
}

.btn__arrow {
  width: 18px;
  height: 18px;
}

.back-btn {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: 24px;
  transition: var(--transition);
}

.back-btn:hover {
  color: var(--accent);
}

/* ===== HERO SCREEN ===== */
.screen--hero {
  text-align: center;
  overflow: hidden;
}

.hero__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius-pill);
  padding: 8px 20px;
  margin-bottom: 40px;
  background: var(--accent-dim);
}

.hero__title {
  font-size: clamp(42px, 8vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero__title-line {
  display: block;
}

.hero__title-line--accent {
  background: linear-gradient(135deg, var(--accent), #7fff00, #00ff88);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero__quote {
  font-size: 15px;
  font-style: italic;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 48px;
  padding: 20px 28px;
  border-left: 3px solid var(--accent-dim);
  text-align: left;
  line-height: 1.7;
}

.hero__quote cite {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 10px;
  font-size: 13px;
}

/* Orbiting planets */
.hero__orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__planet {
  position: absolute;
  border-radius: 50%;
}

.hero__planet--1 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at 30% 30%, rgba(166,255,49,0.08), transparent 70%);
  top: -80px;
  right: -100px;
  animation: float 20s ease-in-out infinite;
}

.hero__planet--2 {
  width: 200px;
  height: 200px;
  background: radial-gradient(circle at 40% 40%, rgba(166,255,49,0.05), transparent 70%);
  bottom: 10%;
  left: -60px;
  animation: float 25s ease-in-out infinite reverse;
}

.hero__planet--3 {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle at 50% 50%, rgba(166,255,49,0.1), transparent 60%);
  top: 40%;
  right: 5%;
  animation: float 15s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(10px, -20px); }
  50% { transform: translate(-5px, 15px); }
  75% { transform: translate(15px, 5px); }
}

/* ===== SELECT QUEST SCREEN ===== */
.screen--select {
  align-items: flex-start;
  padding-top: 80px;
}

.section__title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.2;
}

.section__desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.quests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  width: 100%;
}

.quest-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 24px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.quest-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.quest-card:hover {
  border-color: var(--accent-dim);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.quest-card:hover::before {
  opacity: 1;
}

.quest-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
}

.quest-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.3;
}

.quest-card__theme {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quest-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== DIAGNOSTIC SCREEN ===== */
.screen--diagnostic {
  align-items: flex-start;
  padding-top: 80px;
}

.diagnostic__header {
  margin-bottom: 32px;
}

.diagnostic__quest-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: 16px;
}

.diagnostic__progress {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  margin-top: 20px;
  overflow: hidden;
}

.diagnostic__progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #7fff00);
  border-radius: 2px;
  transition: width 0.5s ease;
  width: 0%;
}

.diagnostic__progress-text {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  display: block;
}

.diagnostic__question-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 36px;
  max-width: 700px;
  animation: fadeIn 0.4s ease-out;
}

.diagnostic__question-text {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 28px;
}

.diagnostic__answers {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.answer-btn {
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.5;
}

.answer-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.answer-btn.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* ===== RESULT SCREEN ===== */
.screen--result {
  text-align: center;
}

.result__icon {
  font-size: 64px;
  margin-bottom: 24px;
}

.result__text {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.result__details {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: left;
  border: 1px solid rgba(255,255,255,0.06);
}

.result__details h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.result__details ul {
  list-style: none;
  padding: 0;
}

.result__details li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  line-height: 1.5;
}

.result__details li:last-child {
  border-bottom: none;
}

.result__details li::before {
  content: '→ ';
  color: var(--accent);
  font-weight: 600;
}

.result__score {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.result__score-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.result__score-dot--high { background: var(--success); }
.result__score-dot--mid { background: var(--warning); }
.result__score-dot--low { background: var(--danger); }

.result__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

/* ===== POPUP ===== */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.popup-overlay.active {
  display: flex;
  animation: fadeIn 0.3s ease-out;
}

.popup {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 460px;
  width: 100%;
  text-align: center;
  position: relative;
}

.popup__close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  transition: var(--transition);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup__close:hover { color: var(--text); }

.popup__icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.popup__title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.popup__text {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.popup__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.popup__input {
  font-family: var(--font);
  font-size: 15px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  outline: none;
  transition: var(--transition);
}

.popup__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.popup__input::placeholder {
  color: var(--text-muted);
}

.popup__note {
  font-size: 13px;
  color: var(--accent);
  margin-top: 12px;
  min-height: 20px;
}

.popup__submit {
  width: 100%;
  justify-content: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .screen { padding: 40px 0; }
  .screen--select,
  .screen--diagnostic { padding-top: 40px; }

  .quests-grid {
    grid-template-columns: 1fr;
  }

  .diagnostic__question-card {
    padding: 24px;
  }

  .hero__quote {
    padding: 16px 20px;
  }

  .popup {
    padding: 28px;
  }

  .result__actions {
    width: 100%;
  }

  .result__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero__badge {
    font-size: 10px;
    padding: 6px 14px;
  }

  .btn {
    font-size: 14px;
    padding: 12px 24px;
  }

  .quest-card {
    padding: 20px;
  }
}