:root {
  --primary: #0f766e;
  --primary-dark: #0b5a54;
  --primary-light: #e6f4f2;
  --accent: #4a3f94;
  --accent-light: #ece9fb;
  --text: #0b1220;
  --text-muted: #5b6472;
  --bg: #fbfcfd;
  --card: #ffffff;
  --border: #e6e9ee;
  --radius: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 28px -12px rgba(15, 23, 42, 0.14);
  --shadow-lg: 0 30px 60px -20px rgba(15, 23, 42, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 252, 253, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

header.site-nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a.nav-link {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
}

.nav-links a.nav-link:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  font-family: inherit;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  letter-spacing: -0.005em;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, #14958a, var(--primary) 60%, var(--primary-dark));
  color: #ffffff;
  box-shadow: 0 10px 24px -8px rgba(15, 118, 110, 0.55);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px -8px rgba(15, 118, 110, 0.62);
}

.btn-outline {
  background: #ffffff;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  border-color: #cfd5dd;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 10px;
}

/* Hero */
.hero {
  position: relative;
  padding: 108px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  pointer-events: none;
}

.hero-glow.one {
  width: 520px;
  height: 520px;
  top: -220px;
  left: 50%;
  transform: translateX(-72%);
  background: radial-gradient(circle, #5eead4, transparent 70%);
}

.hero-glow.two {
  width: 460px;
  height: 460px;
  top: -160px;
  left: 50%;
  transform: translateX(10%);
  background: radial-gradient(circle, #c4b5fd, transparent 70%);
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px 7px 8px;
  border-radius: 999px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.hero h1 {
  font-size: clamp(34px, 5.4vw, 58px);
  line-height: 1.1;
  margin: 0 0 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero h1 .gradient-text {
  background: linear-gradient(100deg, var(--primary) 10%, var(--accent) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: 18.5px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 38px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-note {
  font-size: 13.5px;
  color: var(--text-muted);
}

/* Phone mockup */
.phone-wrap {
  margin: 64px auto 0;
  display: flex;
  justify-content: center;
}

.phone {
  width: 272px;
  border-radius: 40px;
  padding: 14px;
  background: #0b1220;
  box-shadow: var(--shadow-lg);
}

.phone-screen {
  background: var(--bg);
  border-radius: 28px;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

.phone-status {
  height: 26px;
  background: var(--primary);
}

.phone-app-bar {
  background: var(--primary);
  color: #fff;
  padding: 6px 18px 20px;
  text-align: left;
}

.phone-app-bar .app-bar-title {
  font-size: 12.5px;
  opacity: 0.85;
}

.phone-app-bar .app-bar-balance {
  font-size: 24px;
  font-weight: 800;
  margin-top: 4px;
}

.phone-card-list {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: -14px;
}

.mock-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 10px;
}

.mock-card .mock-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-card .mock-icon.teal {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.mock-card .mock-icon.purple {
  background: var(--accent-light);
  color: var(--accent);
}

.mock-card .mock-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.mock-card .mock-sub {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 1px;
}

.mock-card .mock-tag {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

/* Sections */
section {
  padding: 88px 0;
}

.section-head {
  text-align: center;
  max-width: 580px;
  margin: 0 auto 52px;
}

.section-head .eyebrow {
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 38px);
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--text-muted);
  margin: 0;
  font-size: 16px;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 8px 16px -8px rgba(15, 118, 110, 0.55);
}

.step-icon svg {
  width: 22px;
  height: 22px;
}

.step .step-num {
  position: absolute;
  top: 26px;
  right: 26px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  opacity: 0.5;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
  letter-spacing: -0.01em;
}

.step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14.5px;
}

/* Audiences */
.audiences {
  background: linear-gradient(180deg, #ffffff, #f4f6f8);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.audience-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  background: var(--card);
  box-shadow: var(--shadow-sm);
}

.audience-card .audience-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.audience-card .audience-icon svg {
  width: 24px;
  height: 24px;
}

.audience-card .audience-icon.teal {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.audience-card .audience-icon.purple {
  background: var(--accent-light);
  color: var(--accent);
}

.audience-card .tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.audience-card h3 {
  font-size: 21px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.audience-card > p {
  color: var(--text-muted);
  margin: 0;
  font-size: 14.5px;
}

.audience-card ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.audience-card li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 13px;
  font-size: 14.5px;
  color: var(--text);
}

.audience-card li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--primary);
  margin-top: 1px;
}

/* Final CTA */
.final-cta {
  text-align: center;
}

.final-cta .cta-card {
  background: linear-gradient(135deg, #0b3d38, var(--primary) 55%, var(--accent));
  border-radius: 28px;
  padding: 64px 32px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.final-cta h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.final-cta p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 32px;
  font-size: 16px;
}

.final-cta .btn-primary {
  background: #ffffff;
  color: var(--primary-dark);
  box-shadow: 0 10px 24px -8px rgba(0, 0, 0, 0.35);
}

.final-cta .btn-primary:hover {
  box-shadow: 0 14px 30px -8px rgba(0, 0, 0, 0.4);
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 13.5px;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 760px) {
  .steps,
  .audience-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 64px 0 48px;
  }
  section {
    padding: 60px 0;
  }
  .nav-links {
    display: none;
  }
  .final-cta .cta-card {
    padding: 48px 24px;
  }
}