:root {
  --green: #16a34a;
  --green-dark: #15803d;
  --green-700: #166534;
  --ink: #0f172a;
  --slate: #475569;
  --muted: #64748b;
  --bg: #ffffff;
  --bg-soft: #f6faf7;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 10px 30px -12px rgba(16, 163, 74, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.06s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
}
.btn:active {
  transform: translateY(1px);
}
.btn-lg {
  padding: 0.85rem 1.5rem;
  font-size: 1.05rem;
}
.btn-primary {
  background: var(--green);
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover {
  background: var(--green-dark);
}
.btn-outline {
  border-color: var(--border);
  background: #fff;
  color: var(--ink);
}
.btn-outline:hover {
  border-color: var(--green);
  color: var(--green-dark);
}
.btn-ghost {
  color: var(--slate);
}
.btn-ghost:hover {
  color: var(--ink);
}

/* ---- Nav ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 1.4rem;
  margin-left: 1rem;
  color: var(--slate);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover {
  color: var(--ink);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: auto;
}

/* ---- Hero ---- */
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--green-700);
  border: 1px solid #d1fae5;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}
.lede {
  font-size: 1.15rem;
  color: var(--slate);
  margin: 0 0 1.8rem;
  max-width: 34rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.hero-note {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ---- Hero card (phone mock) ---- */
.hero-card {
  display: flex;
  justify-content: center;
}
.phone {
  width: 300px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 1.5rem;
  box-shadow:
    0 30px 60px -20px rgba(15, 23, 42, 0.25),
    0 0 0 8px #fff,
    0 0 0 9px var(--border);
}
.phone-top {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}
.avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-soft);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  border: 1px solid #d1fae5;
}
.phone-name {
  font-weight: 700;
}
.phone-sub {
  color: var(--muted);
  font-size: 0.85rem;
}
.amounts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.amounts span {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0;
  text-align: center;
  font-weight: 700;
  color: var(--slate);
}
.amounts .amt-active {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.phone-pay {
  width: 100%;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 0.85rem;
  font-weight: 700;
  font-size: 1rem;
}
.phone-foot {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.9rem;
}

/* ---- Strip ---- */
.strip {
  background: var(--green-700);
  color: #fff;
}
.strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
  padding: 1.4rem 1.5rem;
}
.strip-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
}
.strip-item strong {
  font-size: 1.3rem;
}
.strip-item span {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* ---- Sections ---- */
.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 4.5rem 1.5rem;
  text-align: center;
}
.section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
}
.section-sub {
  color: var(--slate);
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
}
.section-alt {
  background: var(--bg-soft);
  max-width: none;
}
.section-alt > * {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
}
.step {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
}
.step-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  margin-bottom: 1rem;
}
.step h3,
.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}
.step p,
.feature p {
  color: var(--slate);
  margin: 0;
}

/* ---- Features ---- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
}
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
}
.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 0.7rem;
}

/* ---- CTA band ---- */
.cta-band {
  padding-top: 2rem;
}
.cta-inner {
  background: linear-gradient(135deg, var(--green), var(--green-700));
  color: #fff;
  border-radius: 24px;
  padding: 3.2rem 2rem;
  box-shadow: var(--shadow);
}
.cta-inner h2 {
  margin: 0 0 0.6rem;
}
.cta-inner p {
  max-width: 34rem;
  margin: 0 auto 1.8rem;
  opacity: 0.92;
  font-size: 1.05rem;
}
.cta-inner .btn-primary {
  background: #fff;
  color: var(--green-dark);
}
.cta-inner .btn-primary:hover {
  background: #f0fdf4;
}

/* ---- Footer ---- */
.footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  color: var(--muted);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  color: var(--ink);
}
.footer-links {
  display: flex;
  gap: 1.2rem;
}
.footer-links a:hover {
  color: var(--ink);
}
.footer-copy {
  margin-left: auto;
  font-size: 0.9rem;
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 1.5rem;
  }
  .hero-card {
    order: -1;
  }
  .nav-links {
    display: none;
  }
  .steps,
  .features {
    grid-template-columns: 1fr;
  }
  .footer-copy {
    margin-left: 0;
    width: 100%;
  }
}