:root {
  --bg-1: #0d0618;
  --bg-2: #050507;
  --card: rgba(18, 11, 31, 0.82);
  --card-strong: rgba(25, 15, 44, 0.95);
  --border: rgba(227, 170, 11, 0.16);
  --text: #f5f1ff;
  --muted: #b9accf;
  --purple: #851e82;
  --gold: #e3aa0b;
  --danger: #ff4444;
  --warning: #ffb800;
  --success: #00c851;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, rgba(133, 30, 130, 0.22), transparent 28%), linear-gradient(160deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

button, input, label {
  font: inherit;
}

button {
  border: 0;
}

.app {
  width: min(100%, 1100px);
  margin: 0 auto;
  padding: 18px 14px 28px;
}

.screen {
  animation: fadeIn 0.4s ease;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.hero,
.results,
.quiz-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero,
.results {
  padding: 22px 16px;
}

.hero__title,
.section-title {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.02;
}

.hero__lead,
.section-subtitle,
.hero__text,
.footer p,
.result-score__compare {
  color: var(--muted);
}

.hero__lead {
  margin: 12px 0 18px;
  font-size: 1.05rem;
}

.calculator {
  position: relative;
  width: min(100%, 280px);
  margin: 18px auto 22px;
  filter: drop-shadow(0 0 22px rgba(133, 30, 130, 0.36));
  animation: float 4s ease-in-out infinite;
}

.calculator__glow {
  position: absolute;
  inset: -10px;
  border-radius: 28px;
  border: 1px solid rgba(133, 30, 130, 0.45);
  box-shadow: 0 0 22px rgba(133, 30, 130, 0.5), inset 0 0 24px rgba(227, 170, 11, 0.08);
  animation: pulse 2s ease-in-out infinite;
}

.calculator__body {
  position: relative;
  padding: 18px;
  border-radius: 26px;
  background: linear-gradient(145deg, #160a27, #050507 60%, #261131);
  background-size: 200% 200%;
  animation: shimmer 3s ease-in-out infinite;
}

.calculator__screen {
  min-height: 84px;
  border-radius: 18px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  text-align: right;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(227, 170, 11, 0.18);
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.35);
}

.calculator__digits {
  font-size: clamp(2rem, 8vw, 2.8rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #fff7cf;
  text-shadow: 0 0 12px rgba(227, 170, 11, 0.4);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.calculator__sub {
  font-size: 0.72rem;
  color: rgba(245, 241, 255, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.calculator__keys {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.calculator__keys span {
  min-height: 28px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(227, 170, 11, 0.16), rgba(133, 30, 130, 0.26));
  border: 1px solid rgba(227, 170, 11, 0.18);
}

.metric {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff3c0;
  text-shadow: 0 0 10px rgba(227, 170, 11, 0.24);
}

.metric--success {
  color: #6dff9a;
  border-color: rgba(0, 200, 81, 0.35);
  background: linear-gradient(180deg, rgba(0, 200, 81, 0.14), rgba(133, 30, 130, 0.18));
}

.metric--warning {
  color: #ffcb5c;
  border-color: rgba(255, 184, 0, 0.35);
  background: linear-gradient(180deg, rgba(255, 184, 0, 0.14), rgba(133, 30, 130, 0.18));
}

.metric--danger {
  color: #ff6b6b;
  border-color: rgba(255, 68, 68, 0.35);
  background: linear-gradient(180deg, rgba(255, 68, 68, 0.14), rgba(133, 30, 130, 0.18));
}

.hero__text {
  margin: 0;
  line-height: 1.55;
}

.hero__meta {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.meta-chip {
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.button {
  min-height: 48px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 14px;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease, background 0.3s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.button:active {
  transform: scale(0.98);
}

.button--primary {
  background: linear-gradient(135deg, #b82ea8, var(--purple) 45%, #5d1159);
  box-shadow: 0 14px 34px rgba(133, 30, 130, 0.34);
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(133, 30, 130, 0.44);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.quiz-header {
  margin-bottom: 14px;
}

.progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin: 12px 0 14px;
}

.progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), #ffe28a);
  transition: width 0.35s ease;
}

.quiz-card {
  padding: 15px 12px;
}

.question {
  padding: 16px 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(227, 170, 11, 0.1);
  margin-bottom: 10px;
}

.question__title {
  display: block;
  margin: 4px 0 6px;
  font-size: 0.97rem;
  line-height: 1.3;
}

.choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.choice {
  position: relative;
}

.choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice label {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.choice input:checked + label {
  border-color: rgba(227, 170, 11, 0.6);
  background: linear-gradient(135deg, rgba(133, 30, 130, 0.58), rgba(227, 170, 11, 0.18));
  box-shadow: 0 0 0 1px rgba(227, 170, 11, 0.16);
}

.choice--safe input:checked + label {
  border-color: rgba(0, 200, 81, 0.7);
  background: rgba(0, 200, 81, 0.12);
}

.quiz-actions,
.results-actions {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.result-score {
  display: grid;
  gap: 18px;
  margin: 22px 0;
}

.result-score__ring {
  width: 190px;
  height: 190px;
  margin: 0 auto;
  border-radius: 50%;
  background: conic-gradient(var(--gold) 0deg, rgba(255, 255, 255, 0.08) 0deg);
  padding: 12px;
  box-shadow: 0 0 0 1px rgba(227, 170, 11, 0.2), inset 0 0 30px rgba(0, 0, 0, 0.35);
}

.result-score__value {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.08), rgba(5, 5, 7, 0.9));
  text-align: center;
}

.result-score__value strong {
  font-size: 2.2rem;
}

.result-score__price {
  margin: 8px 0 0;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff3c0;
}

.result-score__price-frame {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 10px 14px;
  border-radius: 16px;
  border: 1px solid rgba(227, 170, 11, 0.35);
  background: linear-gradient(135deg, rgba(133, 30, 130, 0.22), rgba(227, 170, 11, 0.12));
  box-shadow: 0 0 0 1px rgba(227, 170, 11, 0.1), 0 0 22px rgba(133, 30, 130, 0.14);
  animation: pricePulse 2.4s ease-in-out infinite;
}

.info-grid,
.advice {
  display: grid;
  gap: 12px;
}

.info-card,
.advice__card {
  padding: 16px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.advice__card--danger {
  border-color: rgba(255, 68, 68, 0.24);
}

.advice__card--warning {
  border-color: rgba(255, 184, 0, 0.24);
}

.advice__card--success {
  border-color: rgba(0, 200, 81, 0.22);
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.list li + li {
  margin-top: 8px;
}

.footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.92rem;
}

.footer p + p {
  margin-top: 10px;
}

.hidden {
  display: none !important;
}

.screen[hidden] {
  display: none !important;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.02); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pricePulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 1px rgba(227, 170, 11, 0.1), 0 0 22px rgba(133, 30, 130, 0.14);
  }
  50% {
    transform: scale(1.02);
    box-shadow: 0 0 0 1px rgba(227, 170, 11, 0.18), 0 0 28px rgba(133, 30, 130, 0.22);
  }
}

@media (min-width: 720px) {
  .app {
    padding: 28px 24px 36px;
  }

  .hero,
  .results {
    padding: 28px;
  }

  .hero__meta,
  .quiz-actions,
  .results-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quiz-card {
    padding: 24px;
  }

  .info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .advice {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .result-score {
    grid-template-columns: auto 1fr;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .app {
    padding: 14px 12px 22px;
  }

  .hero,
  .results {
    padding: 18px 14px;
    border-radius: 18px;
  }

  .hero__title,
  .section-title {
    font-size: clamp(1.65rem, 9vw, 2.2rem);
  }

  .hero__lead {
    font-size: 1rem;
    margin-bottom: 14px;
  }

  .calculator {
    width: min(100%, 250px);
    margin: 14px auto 18px;
  }

  .calculator__body {
    padding: 15px;
  }

  .calculator__screen {
    min-height: 72px;
    padding: 14px;
  }

  .hero__text {
    font-size: 0.95rem;
    line-height: 1.5;
  }

  .meta-chip {
    padding: 11px 12px;
    font-size: 0.94rem;
  }

  .button {
    min-height: 50px;
    font-size: 1rem;
  }

  .quiz-card {
    padding: 14px 10px;
  }

  .question {
    padding: 12px 10px 10px;
    margin-bottom: 7px;
  }

  .question__title {
    margin: 3px 0 5px;
    font-size: 0.93rem;
    line-height: 1.24;
  }

  .choices {
    gap: 6px;
  }

  .choice label {
    min-height: 40px;
    padding: 8px 10px;
    font-size: 0.82rem;
    border-radius: 11px;
  }

  .result-score__ring {
    width: 168px;
    height: 168px;
  }

  .result-score__value strong {
    font-size: 1.9rem;
  }

  .result-score__price {
    font-size: 1.35rem;
  }

  .info-card,
  .advice__card {
    padding: 14px;
  }
}

@media (hover: none) and (pointer: coarse) {
  .button:hover,
  .choice label:hover {
    transform: none;
  }

  .button:active,
  .choice label:active {
    transform: scale(0.99);
  }

  .calculator {
    animation-duration: 5s;
  }

  .calculator__glow,
  .calculator__body,
  .screen {
    animation-duration: 0s;
  }
}

@supports (-webkit-touch-callout: none) {
  body {
    -webkit-font-smoothing: antialiased;
  }

  .button,
  .choice label {
    -webkit-appearance: none;
  }
}

@media (hover: hover) and (pointer: fine) {
  .choice label:hover,
  .button:hover {
    transform: translateY(-1px);
  }
}