:root {
  --bg: #0D1B2A;
  --bg-2: #111e2e;
  --fg: #E8EAF0;
  --fg-2: #8892A4;
  --accent: #B8FF57;
  --accent-dim: rgba(184, 255, 87, 0.12);
  --card-bg: #142033;
  --card-border: rgba(255,255,255,0.07);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 27, 42, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.navbar-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--card-border);
  padding: 5px 12px;
  border-radius: 20px;
}

/* Hero */
.hero {
  padding: 96px 48px 72px;
  max-width: 900px;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse-anim 2s ease-in-out infinite;
}
@keyframes pulse-anim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(38px, 5.5vw, 62px);
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 28px;
  color: var(--fg);
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-2);
  max-width: 560px;
  line-height: 1.65;
}

/* Stats */
.stats-row {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 32px 48px;
  background: var(--bg-2);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}
.stat {
  flex: 1;
  padding: 0 32px;
}
.stat:first-child { padding-left: 0; }
.stat-value {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 36px;
  color: var(--accent);
  letter-spacing: -1px;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-2);
  line-height: 1.4;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--card-border);
}

/* Features */
.features {
  padding: 96px 48px;
}
.features-header {
  margin-bottom: 64px;
}
.features-header h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 36px;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}
.features-header p {
  font-size: 17px;
  color: var(--fg-2);
  max-width: 460px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover { border-color: rgba(184, 255, 87, 0.2); }
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.feature-card p {
  font-size: 15px;
  color: var(--fg-2);
  line-height: 1.65;
}

/* Screenshot */
.screenshot-section {
  padding: 0 48px 96px;
}
.screenshot-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 28px;
  font-weight: 500;
}
.screenshot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
.screenshot-card {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
}
.screenshot-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}
.screenshot-caption {
  padding: 14px 18px;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.caption-label {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--accent);
}
.caption-desc {
  font-size: 12px;
  color: var(--fg-2);
}
.screenshot-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.screenshot-card--secondary img { height: 180px; }
.streak-block {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.streak-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 56px;
  color: var(--accent);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 4px;
}
.streak-label {
  font-size: 14px;
  color: var(--fg-2);
  margin-bottom: 20px;
}
.streak-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.streak-fill {
  height: 100%;
  width: 75%;
  background: var(--accent);
  border-radius: 3px;
}

/* Closing */
.closing {
  padding: 80px 48px 96px;
  background: linear-gradient(180deg, transparent 0%, rgba(184,255,87,0.04) 100%);
}
.closing-inner {
  max-width: 680px;
}
.closing-quote {
  margin-bottom: 40px;
}
.closing-quote p {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--fg);
  margin-bottom: 12px;
}
.closing-attr {
  font-size: 14px;
  color: var(--fg-2);
  font-style: italic;
}
.closing-body {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.7;
  margin-bottom: 40px;
}
.closing-model {
  font-size: 13px;
  color: var(--fg-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--card-border);
  display: inline-block;
  padding: 8px 18px;
  border-radius: 20px;
}

/* Footer */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
}
.footer-tagline {
  font-size: 14px;
  color: var(--fg-2);
}

/* Responsive */
@media (max-width: 768px) {
  .navbar { padding: 16px 24px; }
  .hero { padding: 56px 24px 48px; }
  .hero-headline { font-size: 32px; letter-spacing: -0.8px; }
  .hero-sub { font-size: 16px; }
  .stats-row { flex-direction: column; gap: 24px; padding: 24px; }
  .stat { padding: 0; text-align: center; }
  .stat-divider { width: 48px; height: 1px; }
  .features { padding: 64px 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .screenshot-section { padding: 0 24px 64px; }
  .screenshot-grid { grid-template-columns: 1fr; }
  .closing { padding: 56px 24px 64px; }
  .footer { padding: 32px 24px; flex-direction: column; gap: 8px; align-items: flex-start; }
}