/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0D0D0F;
  --bg2: #111115;
  --bg3: #161619;
  --fg: #F5F5F7;
  --fg2: #9A9AA0;
  --fg3: #5A5A62;
  --accent: #0066FF;
  --accent-dim: #004FCC;
  --amber: #FFB800;
  --green: #00C853;
  --purple: #7B61FF;
  --red: #FF3B5C;
  --border: rgba(255,255,255,0.08);
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Manrope', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13,13,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
}
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--fg2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--fg); }

/* === HERO === */
.hero {
  padding: 120px 24px 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 40%, rgba(0,102,255,0.07) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,102,255,0.12);
  border: 1px solid rgba(0,102,255,0.3);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  text-transform: uppercase;
}
.live-dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg2);
  margin-bottom: 40px;
  max-width: 480px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.hero-stat { display: flex; flex-direction: column; gap: 4px; }
.hero-stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
}
.hero-stat-label { font-size: 12px; color: var(--fg3); max-width: 120px; line-height: 1.4; }
.hero-stat-divider {
  width: 1px; height: 36px;
  background: var(--border);
}

/* === DASHBOARD WIDGET === */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.dashboard-widget {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
}
.widget-2 { padding: 16px 20px; }
.widget-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.widget-title { font-size: 11px; font-weight: 600; color: var(--fg3); text-transform: uppercase; letter-spacing: 0.06em; }
.widget-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.1em;
}
.widget-cost {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 4px;
}
.widget-trip { font-size: 13px; color: var(--fg3); margin-bottom: 16px; }
.widget-breakdown { display: flex; flex-direction: column; gap: 10px; }
.breakdown-row {
  display: grid;
  grid-template-columns: 80px 48px 1fr;
  align-items: center;
  gap: 8px;
}
.breakdown-label { font-size: 12px; color: var(--fg2); }
.breakdown-val { font-size: 12px; font-weight: 600; text-align: right; }
.breakdown-val.fuel { color: #60A5FA; }
.breakdown-val.depr { color: #A78BFA; }
.breakdown-val.maint { color: #34D399; }
.breakdown-val.tires { color: #F472B6; }
.breakdown-bar { height: 4px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 2px; }
.bar-fill.fuel { background: #60A5FA; }
.bar-fill.depr { background: #A78BFA; }
.bar-fill.maint { background: #34D399; }
.bar-fill.tires { background: #F472B6; }
.widget-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.drivescore-mini {
  display: flex;
  align-items: center;
  gap: 8px;
}
.score-label { font-size: 11px; color: var(--fg3); font-weight: 500; }
.score-val {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--green);
}
.widget-mileage { font-size: 12px; color: var(--fg3); }

/* Monthly chart */
.monthly-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 48px;
  margin-bottom: 12px;
}
.chart-bar {
  flex: 1;
  background: var(--bg3);
  border-radius: 3px;
  transition: background 0.2s;
}
.chart-bar.active { background: var(--accent); }
.monthly-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.monthly-label { font-size: 12px; color: var(--fg3); }
.monthly-val { font-family: 'Syne', sans-serif; font-size: 16px; font-weight: 700; color: var(--fg); }

/* === FEATURES === */
.features {
  padding: 80px 24px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-header {
  max-width: 1200px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.section-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg2);
  padding: 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg3); }
.feature-icon {
  width: 44px; height: 44px;
  background: rgba(0,102,255,0.1);
  border: 1px solid rgba(0,102,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-title {
  font-family: 'Syne', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-desc { font-size: 14px; color: var(--fg2); line-height: 1.65; }

/* === DRIVESCORE === */
.drivescore-section {
  padding: 80px 24px;
  background: var(--bg);
}
.ds-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.ds-desc { font-size: 16px; color: var(--fg2); line-height: 1.7; margin: 20px 0 32px; }
.ds-metrics {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
}
.ds-metric { display: flex; flex-direction: column; gap: 4px; }
.ds-metric-val { font-family: 'Syne', sans-serif; font-size: 28px; font-weight: 800; color: var(--fg); }
.ds-metric-label { font-size: 12px; color: var(--fg3); }
.ds-factors { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ds-factors li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--fg2); }
.ds-factor-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ds-factor-icon.good { background: rgba(0,200,83,0.15); color: var(--green); }
.ds-factor-icon.warn { background: rgba(255,184,0,0.15); color: var(--amber); }

/* Score gauge */
.ds-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.score-gauge { position: relative; width: 200px; height: 200px; }
.gauge-svg { width: 100%; height: 100%; }
.gauge-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.gauge-score {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--fg);
  line-height: 1;
}
.gauge-label { font-size: 12px; color: var(--fg3); margin-top: 4px; font-weight: 500; }
.score-breakdown {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sb-row { display: flex; align-items: center; gap: 12px; }
.sb-row span:first-child { font-size: 13px; color: var(--fg2); width: 80px; font-weight: 500; }
.sb-bar { flex: 1; height: 6px; background: var(--bg3); border-radius: 3px; overflow: hidden; }
.sb-fill { height: 100%; border-radius: 3px; }
.sb-fill.eff { background: linear-gradient(90deg, #0066FF, #00C853); }
.sb-fill.saf { background: linear-gradient(90deg, #0066FF, #FFB800); }
.sb-fill.vc { background: linear-gradient(90deg, #0066FF, #7B61FF); }
.sb-val { font-family: 'Syne', sans-serif; font-size: 13px; font-weight: 700; color: var(--fg); width: 28px; text-align: right; }

/* === COST SECTION === */
.cost-section {
  padding: 80px 24px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cost-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.cost-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}
.cost-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.cost-label { font-size: 12px; color: var(--fg3); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.cost-year { font-size: 12px; color: var(--fg3); }
.cost-big {
  font-family: 'Syne', sans-serif;
  font-size: 42px;
  font-weight: 800;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 8px;
}
.cost-sub { font-size: 12px; color: var(--fg3); margin-bottom: 28px; line-height: 1.4; }
.cost-pie { display: flex; align-items: center; gap: 24px; }
.pie-svg { width: 120px; height: 120px; flex-shrink: 0; }
.pie-legend { display: flex; flex-direction: column; gap: 8px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--fg2); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }
.legend-dot.blue { background: #0066FF; }
.legend-dot.amber { background: #FFB800; }
.legend-dot.purple { background: #7B61FF; }
.legend-dot.green { background: #00C853; }
.legend-dot.red { background: #FF3B5C; }
.cost-desc { font-size: 16px; color: var(--fg2); line-height: 1.7; margin: 20px 0 28px; }
.cost-highlight {
  background: rgba(0,102,255,0.06);
  border: 1px solid rgba(0,102,255,0.2);
  border-radius: 12px;
  padding: 24px;
}
.ch-val {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.ch-label { font-size: 13px; color: var(--fg2); line-height: 1.5; }

/* === WHY === */
.why-section { padding: 80px 24px; background: var(--bg); }
.why-inner { max-width: 1200px; margin: 0 auto; }
.why-header { text-align: center; margin-bottom: 56px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.why-card {
  background: var(--bg2);
  padding: 32px 28px;
  transition: background 0.2s;
}
.why-card:hover { background: var(--bg3); }
.why-num {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: rgba(0,102,255,0.2);
  margin-bottom: 16px;
}
.why-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.why-card p { font-size: 14px; color: var(--fg2); line-height: 1.6; }

/* === CLOSING === */
.closing-section {
  padding: 80px 24px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
}
.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: start;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin-bottom: 20px;
}
.closing-sub { font-size: 16px; color: var(--fg2); line-height: 1.7; }
.closing-vision { display: flex; flex-direction: column; gap: 16px; padding-top: 8px; }
.vision-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--fg2);
  font-weight: 500;
}

/* === FOOTER === */
.footer {
  padding: 40px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--fg);
}
.footer-tagline { font-size: 12px; color: var(--fg3); }
.footer-copy { font-size: 12px; color: var(--fg3); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .ds-inner { grid-template-columns: 1fr; }
  .ds-visual { order: -1; }
  .cost-inner { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .closing-inner { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding: 100px 20px 60px; }
  .features, .drivescore-section, .cost-section, .why-section, .closing-section { padding: 60px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
}