:root {
  --bg: #FAFAF8;
  --surface: #FFFFFF;
  --fg: #0F2E1F;
  --fg-muted: #4A6B54;
  --accent: #00C853;
  --accent-light: #E8FFF0;
  --accent-dark: #00923A;
  --green-deep: #0F2E1F;
  --border: #E2EDE6;
  --muted: #8FA99B;
  --shadow: 0 4px 24px rgba(15, 46, 31, 0.08);
  --radius: 16px;
  --radius-sm: 8px;
}

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

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

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  color: var(--green-deep);
}
.nav-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--border);
  padding: 3px 8px;
  border-radius: 100px;
}

/* Hero */
.hero {
  padding: 80px 28px 100px;
  background: var(--bg);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: var(--accent-light);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(42px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1.5px;
  color: var(--green-deep);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  max-width: 440px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--green-deep);
}
.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-div {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Receipt Card */
.receipt-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
  position: relative;
}
.receipt-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.receipt-icon {
  width: 32px;
  height: 32px;
  background: var(--accent-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
}
.receipt-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
}
.receipt-amount {
  font-family: 'Outfit', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--green-deep);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 4px;
}
.receipt-meta {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}
.receipt-items {
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
  padding: 12px 0;
  margin-bottom: 16px;
}
.r-item {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--fg-muted);
  padding: 4px 0;
}
.receipt-tap {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.tap-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.split-arrows {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.arrow-person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.person-avatar {
  width: 36px;
  height: 36px;
  background: var(--green-deep);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
}
.arrow-person span {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
}
.settle-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 100px;
  width: fit-content;
}

/* How */
.how {
  background: var(--green-deep);
  padding: 100px 28px;
}
.how-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.section-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.how-headline {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: white;
  letter-spacing: -1px;
  margin-bottom: 60px;
}
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.step {
  flex: 1;
  max-width: 220px;
  text-align: center;
}
.step-num {
  font-family: 'Outfit', sans-serif;
  font-size: 52px;
  font-weight: 900;
  color: rgba(255,255,255,0.08);
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 16px;
}
.step-title {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
}
.step-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}
.step-connector {
  width: 60px;
  height: 1.5px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
  margin: 0 12px;
}

/* Features */
.features { padding: 100px 28px; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-headline {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--green-deep);
  letter-spacing: -1px;
  margin-bottom: 56px;
  max-width: 560px;
}
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feat-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.feat-primary {
  background: var(--green-deep);
  border-color: var(--green-deep);
}
.feat-primary .feat-title,
.feat-primary .feat-desc { color: white; }
.feat-primary .feat-icon { color: var(--accent); background: rgba(0,200,83,0.15); }
.feat-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-dark);
  margin-bottom: 20px;
}
.feat-title {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 10px;
}
.feat-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Testimonials */
.testimonials {
  background: var(--accent-light);
  padding: 80px 28px;
}
.testimonials-inner { max-width: 1100px; margin: 0 auto; }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.testi-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.testi-quote {
  font-family: 'Outfit', sans-serif;
  font-size: 64px;
  line-height: 0.5;
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 12px;
}
.testi-text {
  font-size: 15px;
  color: var(--fg);
  line-height: 1.7;
  margin-bottom: 14px;
}
.testi-source {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* Closing */
.closing {
  background: var(--green-deep);
  padding: 100px 28px;
  text-align: center;
}
.closing-inner { max-width: 640px; margin: 0 auto; }
.closing-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(0,200,83,0.12);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.closing-headline {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: white;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  margin-bottom: 44px;
}
.closing-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: white;
  color: var(--green-deep);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  transition: transform 0.2s;
}
.store-btn:hover { transform: scale(1.04); }
.store-btn svg { flex-shrink: 0; }

/* Footer */
.footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 28px;
  background: var(--green-deep);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: white;
}
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }

/* Responsive */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .feat-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; gap: 40px; }
  .step-connector { width: 1px; height: 40px; margin: 0 auto; }
  .closing-cta { flex-direction: column; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
}