* {
  box-sizing: border-box;
}

:root {
  --ink: #111a20;
  --muted: #52606a;
  --line: #d8e0e5;
  --soft: #f3f7f8;
  --accent: #147d6f;
  --warm: #f0b52e;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f5f8f9;
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(18px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .92);
  position: sticky;
  top: 0;
  z-index: 4;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand img {
  width: 168px;
  height: auto;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.nav a,
.button {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 13px;
  background: #fff;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  padding: clamp(38px, 7vw, 86px) clamp(18px, 5vw, 72px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(40px, 6vw, 78px);
  line-height: .96;
}

.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 22px 70px rgba(17, 26, 32, .12);
  overflow: hidden;
}

.receipt-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: #fff;
}

.receipt-lines {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.receipt-lines div {
  display: grid;
  grid-template-columns: 1fr 70px 92px;
  gap: 10px;
  padding: 13px 16px;
  background: #fff;
}

.receipt-lines strong {
  font-size: 22px;
}

.section {
  padding: 54px clamp(18px, 5vw, 72px);
}

.section h2 {
  margin: 0 0 22px;
  font-size: clamp(30px, 4vw, 50px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature {
  min-height: 160px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.access {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 26px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
}

.access p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, .76);
}

.footer {
  padding: 26px clamp(18px, 5vw, 72px);
  color: var(--muted);
}

@media (max-width: 860px) {
  .top,
  .hero,
  .access {
    display: block;
  }

  .nav,
  .hero-actions {
    margin-top: 14px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}