:root {
  --ink: #10233d;
  --teal: #078e99;
  --teal-dark: #056e78;
  --aqua: #dff8f5;
  --yellow: #ffd54a;
  --white: #fff;
  --line: #b9e4e0;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: #f8fffe;
  font-family: Inter, ui-rounded, "Segoe UI", system-ui, sans-serif;
  line-height: 1.5;
}
.site-header, main, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { min-height: 76px; display: flex; align-items: center; gap: 24px; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 1.3rem; font-weight: 850; }
.brand img { width: 38px; height: 38px; }
.tagline { color: #507080; font-size: .95rem; }

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  overflow: hidden;
  background: var(--aqua);
  border: 1px solid var(--line);
  border-radius: 32px;
}
.hero-copy { padding: clamp(36px, 6vw, 74px); padding-right: 20px; position: relative; z-index: 1; }
.setup { margin: 0 0 12px; font-size: clamp(1.05rem, 2vw, 1.45rem); font-weight: 700; }
h1 { margin: 0; font-size: clamp(3.3rem, 7vw, 6.8rem); line-height: .92; letter-spacing: -.065em; }
.intro { max-width: 520px; margin: 28px 0; font-size: clamp(1.15rem, 2vw, 1.45rem); }
.hero-art { width: 100%; height: 100%; min-height: 620px; object-fit: cover; object-position: 56% center; mix-blend-mode: multiply; }
.install-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.install-button { display: inline-flex; flex-direction: column; padding: 12px 20px; color: white; background: var(--teal); border-radius: 14px; font-weight: 800; box-shadow: 0 7px 0 var(--teal-dark); }
.install-button.secondary { color: var(--ink); background: var(--yellow); box-shadow: 0 7px 0 #d7a800; }
.install-button small { font-size: .68rem; font-weight: 700; opacity: .76; text-transform: uppercase; letter-spacing: .08em; }

.steps { padding: 90px 0 70px; text-align: center; }
.eyebrow { margin: 0; color: var(--teal-dark); font-weight: 850; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; }
h2 { margin: 8px 0 32px; font-size: clamp(2rem, 4.6vw, 4rem); line-height: 1; letter-spacing: -.04em; }
.steps ol { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; counter-reset: steps; }
.steps li { min-height: 190px; padding: 28px; display: flex; flex-direction: column; justify-content: center; background: white; border: 1px solid var(--line); border-radius: 22px; box-shadow: 0 9px 0 #d7efec; counter-increment: steps; }
.steps li::before { content: counter(steps); width: 38px; height: 38px; margin: 0 auto 12px; display: grid; place-items: center; border-radius: 50%; background: var(--yellow); font-weight: 900; }
.steps li b { font-size: 1.4rem; }
.steps li span { color: #506777; }
.signin-note { width: fit-content; max-width: 760px; margin: 38px auto 0; padding: 12px 20px; background: var(--aqua); border-radius: 999px; }

.promise { margin-bottom: 80px; padding: 34px 44px; display: flex; align-items: center; gap: 28px; color: white; background: var(--ink); border-radius: 26px; }
.promise img { width: 88px; height: 88px; flex: 0 0 auto; }
.promise h2 { margin: 0 0 8px; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.promise p { margin: 0; color: #dce9f1; }

footer { padding: 28px 0 42px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 10px 30px; }
footer p { margin: 0; }
footer nav { display: flex; gap: 20px; color: var(--teal-dark); }
.fine-print { grid-column: 1 / -1; color: #6b7e8c; font-size: .82rem; }

@media (max-width: 780px) {
  .site-header { min-height: 64px; }
  .tagline { display: none; }
  .hero { min-height: 0; grid-template-columns: 1fr; }
  .hero-copy { padding: 38px 26px 12px; }
  .hero-art { min-height: 0; aspect-ratio: 4 / 3; object-position: center; }
  .steps { padding: 64px 0; }
  .steps ol { grid-template-columns: 1fr; }
  .steps li { min-height: 150px; }
  .signin-note { border-radius: 18px; }
  .promise { padding: 28px; align-items: flex-start; }
  .promise img { width: 60px; height: 60px; }
  footer { grid-template-columns: 1fr; }
  footer nav { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero-art { animation: arrive .65s ease-out both; }
  @keyframes arrive { from { opacity: 0; transform: translateX(25px) rotate(1deg); } }
}