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

:root {
  --green: #00A884;
  --green-dark: #007A62;
  --green-light: #E8F8F5;
  --ink: #0D1117;
  --ink-soft: #3D4450;
  --ink-muted: #6B7280;
  --border: #E5E7EB;
  --bg: #FFFFFF;
  --bg-soft: #F8FAFB;
}

html { scroll-behavior: smooth; }

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

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
  text-decoration: none;
}

.logo span { color: var(--green); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 100px;
  text-decoration: none;
  transition: background 0.2s;
}
.nav-cta:hover { background: #1ebe5d; }
.nav-cta svg { flex-shrink: 0; }

/* HERO */
.hero {
  padding: 96px 40px 80px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  background: var(--green);
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -2.5px;
  margin-bottom: 20px;
  color: var(--ink);
}

.hero h1 em {
  font-style: normal;
  color: var(--green);
}

.hero p {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  padding: 16px 32px;
  border-radius: 100px;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(37,211,102,0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,211,102,0.45);
}

.hero-sub {
  display: block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--ink-muted);
}

/* SOCIAL PROOF BAR */
.proof-bar {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 500;
}

.proof-item svg { color: var(--green); flex-shrink: 0; }

/* SECTIONS */
section {
  padding: 80px 40px;
  max-width: 1080px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 520px;
  line-height: 1.65;
}

/* HOW IT WORKS */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.step {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
}

.step-number {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--green);
  background: var(--green-light);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.step p {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* FEATURES */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 56px;
}

.feature-card {
  padding: 28px;
  border-radius: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--green);
  box-shadow: 0 4px 20px rgba(0,168,132,0.08);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 14px;
  display: block;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.feature-card p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* FOR WHO */
.who-section {
  background: var(--bg-soft);
  border-radius: 24px;
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.who-list {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.who-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  color: var(--ink-soft);
}

.check {
  width: 22px;
  height: 22px;
  background: var(--green-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
}

.who-quote {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.who-quote blockquote {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
  font-style: italic;
  margin-bottom: 20px;
}

.who-quote cite {
  font-size: 14px;
  color: var(--ink-muted);
  font-style: normal;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cite-avatar {
  width: 36px;
  height: 36px;
  background: var(--green-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* CTA SECTION */
.cta-section {
  text-align: center;
  padding: 96px 40px;
  background: var(--ink);
  margin: 0;
  max-width: 100%;
}

.cta-section .section-label { color: #25D366; }

.cta-section .section-title { color: #fff; margin-bottom: 16px; }

.cta-section .section-sub { color: rgba(255,255,255,0.6); margin: 0 auto 40px; }

.cta-section .hero-cta {
  box-shadow: 0 4px 32px rgba(37,211,102,0.4);
}

.cta-section .hero-sub { color: rgba(255,255,255,0.45); }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-size: 14px;
  color: var(--ink-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--ink); }

/* LEGAL PAGES */
.legal-wrap {
  max-width: 720px;
  margin: 60px auto;
  padding: 0 40px;
}

.legal-wrap h1 {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.legal-wrap .updated {
  color: var(--ink-muted);
  font-size: 14px;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.legal-wrap h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 36px 0 10px;
}

.legal-wrap p, .legal-wrap li {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 10px;
  line-height: 1.7;
}

.legal-wrap ul { padding-left: 20px; margin-bottom: 10px; }

.legal-wrap a { color: var(--green-dark); }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .hero { padding: 64px 20px 56px; }
  section { padding: 60px 20px; }
  .who-section {
    grid-template-columns: 1fr;
    padding: 40px 24px;
    gap: 40px;
  }
  footer { padding: 24px 20px; flex-direction: column; align-items: flex-start; }
  .proof-bar { gap: 20px; padding: 20px; }
}