:root {
  --color-carbon-black: #000000;
  --color-paper-white: #ffffff;
  --color-warm-canvas: #e5e5e5;
  --color-mist-gray: #f3f3f3;
  --color-ash: #c6c6c6;
  --color-smoke: #979797;
  --color-slate: #444444;
  --color-graphite: #2f2f2f;
  --color-mint-chip: #d1ffca;
  --color-voltage-yellow: #fff100;

  --font-display: 'Anton', 'Bebas Neue', 'Barlow Condensed', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 16px;
  --text-subheading: 18px;
  --text-subheading-lg: 20px;
  --text-heading-sm: 28px;
  --text-heading: 40px;
  --text-heading-lg: 48px;
  --text-display: 80px;
  --text-display-xl: 130px;

  --spacing-8: 8px;
  --spacing-16: 16px;
  --spacing-24: 24px;
  --spacing-40: 40px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-96: 96px;

  --page-max-width: 1200px;
  --section-gap: 80px;
  --card-padding: 24px;
  --element-gap: 24px;

  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-3xl: 24px;
  --radius-3xl-2: 32px;
  --radius-full: 48px;
  --radius-full-2: 64px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-warm-canvas);
  color: var(--color-carbon-black);
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

.logo {
  font-family: var(--font-body);
  font-size: var(--text-subheading-lg);
  font-weight: 500;
  color: var(--color-carbon-black);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--color-carbon-black);
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--color-carbon-black);
  color: var(--color-paper-white);
  padding: var(--spacing-16) var(--spacing-24);
  border-radius: var(--radius-lg);
}

.btn-primary:hover { background: var(--color-graphite); }

.btn-ghost {
  background: transparent;
  color: var(--color-slate);
  border: 1.5px solid var(--color-slate);
  padding: 14.5px var(--spacing-24);
  border-radius: var(--radius-md);
}

.btn-ghost:hover {
  background: var(--color-carbon-black);
  color: var(--color-paper-white);
  border-color: var(--color-carbon-black);
}

.hero {
  background: var(--color-warm-canvas);
  color: var(--color-carbon-black);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-80) 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-64);
  align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 72px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--color-carbon-black);
  margin: 0 0 var(--spacing-24);
}

.grad {
  color: var(--color-carbon-black);
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  display: inline;
}

.hero-sub {
  font-size: var(--text-body);
  font-weight: 400;
  color: var(--color-slate);
  line-height: 1.25;
  margin: 0 0 var(--spacing-40);
  max-width: 480px;
}

.trust {
  display: flex;
  gap: var(--spacing-16);
  flex-wrap: wrap;
}

.trust-item {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--color-smoke);
  letter-spacing: -0.03em;
}

.check {
  color: var(--color-carbon-black);
  margin-right: 4px;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--spacing-24);
}

.quiz-card {
  background: var(--color-paper-white);
  border-radius: var(--radius-3xl-2);
  padding: var(--spacing-40);
}

.quiz-head {
  display: flex;
  align-items: center;
  gap: var(--spacing-24);
  margin-bottom: var(--spacing-40);
}

.quiz-progress {
  flex: 1;
  height: 6px;
  background: var(--color-mist-gray);
  border-radius: var(--radius-full-2);
  overflow: hidden;
}

#progress-fill {
  display: block;
  height: 100%;
  width: 10%;
  background: var(--color-carbon-black);
  transition: width 0.3s ease;
}

.quiz-count {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--color-smoke);
  white-space: nowrap;
  letter-spacing: -0.03em;
}

.slide { display: none; }

.slide.active {
  display: block;
  animation: fade 0.25s ease;
}

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

.q-title {
  font-family: var(--font-body);
  font-size: var(--text-heading);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--color-carbon-black);
  margin: 0 0 var(--spacing-24);
}

.q-input {
  font-family: var(--font-body);
  font-size: var(--text-subheading-lg);
  color: var(--color-carbon-black);
  padding: var(--spacing-24);
  border: 1.5px solid var(--color-ash);
  border-radius: var(--radius-3xl);
  background: var(--color-paper-white);
  width: 100%;
  outline: none;
  transition: border-color 0.15s ease;
}

.q-input:focus { border-color: var(--color-carbon-black); }

select.q-input {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%23444444' d='M6 8 0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 24px center;
  cursor: pointer;
}

.options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.option {
  display: block;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-carbon-black);
  padding: var(--spacing-24);
  border: 1.5px solid var(--color-ash);
  border-radius: var(--radius-3xl);
  background: var(--color-paper-white);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.option:hover { border-color: var(--color-carbon-black); }

.option.selected {
  border-color: var(--color-carbon-black);
  background: var(--color-mint-chip);
}

.quiz-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-16);
  margin-top: var(--spacing-40);
}

.result {
  background: var(--color-paper-white);
  border-radius: var(--radius-3xl-2);
  padding: var(--spacing-40);
  text-align: center;
}

.result-score {
  font-family: var(--font-display);
  font-size: 100px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--color-carbon-black);
}

.result-title {
  font-family: var(--font-body);
  font-size: var(--text-heading-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-carbon-black);
  margin-top: var(--spacing-16);
}

.result-desc {
  font-size: var(--text-body);
  color: var(--color-slate);
  margin: var(--spacing-16) 0 var(--spacing-40);
  line-height: 1.25;
}

.cta-block {
  background: var(--color-carbon-black);
  border-radius: var(--radius-3xl);
  padding: var(--spacing-40);
  color: var(--color-paper-white);
}

.cta-block h3 {
  font-family: var(--font-body);
  font-size: var(--text-subheading);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-paper-white);
  margin: 0 0 var(--spacing-8);
}

.cta-block p {
  font-size: var(--text-body-sm);
  color: var(--color-smoke);
  margin: 0 0 var(--spacing-24);
  line-height: 1.3;
}

.lead-form {
  display: flex;
  gap: var(--spacing-16);
  justify-content: center;
  flex-wrap: wrap;
}

.lead-form input {
  font-family: var(--font-body);
  font-size: var(--text-body);
  padding: var(--spacing-16) var(--spacing-24);
  border: 1.5px solid var(--color-graphite);
  border-radius: var(--radius-lg);
  min-width: 260px;
  outline: none;
  background: var(--color-paper-white);
  color: var(--color-carbon-black);
}

.lead-form input:focus { border-color: var(--color-mint-chip); }

.lead-form .btn-primary {
  background: var(--color-mint-chip);
  color: var(--color-carbon-black);
}

.lead-form .btn-primary:hover {
  background: #b8f0b0;
}

.lead-success {
  margin-top: var(--spacing-16);
  color: var(--color-mint-chip);
  font-weight: 500;
  font-size: var(--text-body);
}

.stats {
  background: var(--color-carbon-black);
  padding: var(--spacing-80) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
}

.stat {
  text-align: center;
  padding: var(--spacing-24);
}

.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--color-paper-white);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--color-smoke);
  margin-top: var(--spacing-8);
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.features {
  background: var(--color-warm-canvas);
  padding: var(--spacing-96) 0;
}

.section-head {
  text-align: center;
  margin-bottom: var(--spacing-64);
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-heading-lg);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--color-carbon-black);
  margin: 0 0 var(--spacing-16);
}

.section-head p {
  font-size: var(--text-body);
  color: var(--color-smoke);
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}

.feature-card {
  background: var(--color-paper-white);
  border-radius: var(--radius-3xl);
  padding: var(--spacing-40);
}

.feature-num {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--color-smoke);
  letter-spacing: -0.03em;
  margin-bottom: var(--spacing-16);
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-carbon-black);
  margin: 0 0 var(--spacing-8);
}

.feature-card p {
  font-size: var(--text-body-sm);
  color: var(--color-slate);
  line-height: 1.3;
  margin: 0;
}

.footer {
  background: var(--color-carbon-black);
  padding: var(--spacing-40) 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-16);
}

.footer .logo {
  color: var(--color-paper-white);
}

.footer p {
  font-size: var(--text-body-sm);
  color: var(--color-smoke);
  margin: 0;
}

.hidden { display: none; }

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero-title { animation: fadeUp 0.7s ease both; }
.hero-sub { animation: fadeUp 0.7s ease 0.15s both; }
.trust { animation: fadeUp 0.7s ease 0.3s both; }
.hero-visual { animation: fadeUp 0.7s ease 0.35s both; }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

#result:not(.hidden) {
  animation: fadeUp 0.5s ease both;
}

.stat-num {
  transition: transform 0.3s ease;
}

.stat:hover .stat-num {
  transform: scale(1.05);
}

.social-proof-banner {
  background: var(--color-mint-chip);
  padding: var(--spacing-8) 0;
  position: relative;
  z-index: 10;
}

.social-proof-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-8);
}

.social-proof-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-carbon-black);
  animation: pulse 2s ease-in-out infinite;
}

.social-proof-text {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--color-carbon-black);
  letter-spacing: -0.03em;
}

.social-proof-text strong {
  font-weight: 500;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.cubes-scene {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-24);
  perspective: 800px;
  padding: var(--spacing-40) 0;
}

.cube {
  width: 80px;
  height: 80px;
  position: relative;
  transform-style: preserve-3d;
  animation: rotateCube 8s linear infinite;
}

.cube-1 { animation-delay: 0s; }
.cube-2 { animation-delay: -2.6s; }
.cube-3 { animation-delay: -5.2s; }

.cube-face {
  position: absolute;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  border: 1.5px solid var(--color-ash);
}

.cube-front {
  background: var(--color-paper-white);
  color: var(--color-carbon-black);
  transform: translateZ(40px);
}

.cube-back {
  background: var(--color-mist-gray);
  transform: rotateY(180deg) translateZ(40px);
}

.cube-right {
  background: var(--color-carbon-black);
  color: var(--color-mint-chip);
  transform: rotateY(90deg) translateZ(40px);
}

.cube-left {
  background: var(--color-mint-chip);
  color: var(--color-carbon-black);
  transform: rotateY(-90deg) translateZ(40px);
}

.cube-top {
  background: var(--color-voltage-yellow);
  transform: rotateX(90deg) translateZ(40px);
}

.cube-bottom {
  background: var(--color-mist-gray);
  transform: rotateX(-90deg) translateZ(40px);
}

@keyframes rotateCube {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

.result-bar-wrap {
  width: 100%;
  height: 12px;
  background: var(--color-mist-gray);
  border-radius: var(--radius-full-2);
  overflow: hidden;
  margin: var(--spacing-24) 0;
}

.result-bar {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full-2);
  transition: width 1s ease, background 1s ease;
}

.cities {
  background: var(--color-paper-white);
  padding: var(--spacing-96) 0;
}

.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-16);
}

.city-card {
  background: var(--color-mist-gray);
  border-radius: var(--radius-3xl);
  padding: var(--spacing-24);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.2s ease, background 0.2s ease;
}

.city-card:hover {
  transform: translateY(-4px);
  background: var(--color-warm-canvas);
}

.city-name {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-carbon-black);
}

.city-count {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--color-smoke);
  letter-spacing: -0.03em;
  background: var(--color-paper-white);
  padding: 4px 8px;
  border-radius: var(--radius-lg);
}

.anim-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-item:nth-child(1) { transition-delay: 0s; }
.anim-item:nth-child(2) { transition-delay: 0.15s; }
.anim-item:nth-child(3) { transition-delay: 0.3s; }

.city-card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease, background 0.2s ease;
}

.city-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.cta-section {
  background: var(--color-warm-canvas);
  padding: var(--spacing-96) 0;
}

.cta-card {
  background: var(--color-carbon-black);
  border-radius: var(--radius-3xl-2);
  padding: var(--spacing-64);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-40);
  position: relative;
  overflow: hidden;
}

.cta-card-content {
  flex: 1;
  z-index: 2;
}

.cta-card-title {
  font-family: var(--font-display);
  font-size: var(--text-heading-lg);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--color-paper-white);
  margin: 0 0 var(--spacing-16);
}

.cta-card-desc {
  font-size: var(--text-body);
  color: var(--color-smoke);
  line-height: 1.25;
  margin: 0 0 var(--spacing-40);
  max-width: 400px;
}

.cta-btn {
  background: var(--color-mint-chip);
  color: var(--color-carbon-black);
  padding: var(--spacing-16) var(--spacing-40);
  font-size: var(--text-body);
  font-weight: 500;
}

.cta-btn:hover {
  background: #b8f0b0;
}

.cta-card-visual {
  position: relative;
  width: 200px;
  height: 200px;
  perspective: 600px;
}

.mini-cube {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  animation: floatCube 4s ease-in-out infinite;
}

.mini-cube-1 {
  background: var(--color-mint-chip);
  top: 20px;
  left: 40px;
  animation-delay: 0s;
}

.mini-cube-2 {
  background: var(--color-voltage-yellow);
  bottom: 40px;
  right: 40px;
  animation-delay: -2s;
}

@keyframes floatCube {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(10deg); }
}

.improvements {
  background: var(--color-paper-white);
  padding: var(--spacing-96) 0;
}

.improvements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}

.improvement-card {
  background: var(--color-mist-gray);
  border-radius: var(--radius-3xl);
  padding: var(--spacing-40);
  transition: transform 0.2s ease, background 0.2s ease;
}

.improvement-card:hover {
  transform: translateY(-4px);
  background: var(--color-warm-canvas);
}

.improvement-icon {
  font-size: 32px;
  margin-bottom: var(--spacing-16);
}

.improvement-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-carbon-black);
  margin: 0 0 var(--spacing-8);
}

.improvement-card p {
  font-size: var(--text-body-sm);
  color: var(--color-slate);
  line-height: 1.3;
  margin: 0;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 48px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .improvements-grid { grid-template-columns: 1fr; }
  .q-title { font-size: var(--text-heading-sm); }
  .section-head h2 { font-size: var(--text-heading); }
  .cubes-scene { gap: var(--spacing-16); }
  .cube { width: 60px; height: 60px; }
  .cube-face { width: 60px; height: 60px; font-size: 16px; }
  .cube-front { transform: translateZ(30px); }
  .cube-back { transform: rotateY(180deg) translateZ(30px); }
  .cube-right { transform: rotateY(90deg) translateZ(30px); }
  .cube-left { transform: rotateY(-90deg) translateZ(30px); }
  .cube-top { transform: rotateX(90deg) translateZ(30px); }
  .cube-bottom { transform: rotateX(-90deg) translateZ(30px); }
  .cities-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .cta-card { flex-direction: column; padding: var(--spacing-40); text-align: center; }
  .cta-card-title { font-size: var(--text-heading); }
  .cta-card-desc { max-width: 100%; }
  .cta-card-visual { width: 120px; height: 120px; }
}