:root {
  --ink-950: #131313;
  --ink-900: #18191c;
  --ink-700: #34373c;
  --ink-600: #4f5258;
  --ink-500: #71747a;
  --ink-300: #d1d2d4;
  --ink-200: #e6e7e8;
  --ink-100: #f4f4f5;
  --ink-50: #fafafa;
  --aqua: #70c4c9;
  --aqua-600: #3b8a90;
  --aqua-50: #f0fafb;
  --brand: #5ff7ff;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink-900);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
}
a {
  color: var(--aqua-600);
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.wrap.narrow {
  max-width: 760px;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--ink-200);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink-950);
}
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--ink-950);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 0 20px -6px rgba(95, 247, 255, 0.7);
}
.brand-mark svg {
  width: 20px;
  height: 20px;
}
.brand-name {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -1.1px;
}
.brand-name.small {
  font-size: 19px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links a {
  color: var(--ink-600);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--ink-950);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--ink-950);
  color: #fff !important;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  padding: 11px 22px;
  font-size: 15px;
  transition:
    transform 0.18s ease-out,
    box-shadow 0.18s ease-out;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 26px -10px rgba(19, 19, 19, 0.65);
}
.btn-sm {
  padding: 8px 17px;
  font-size: 14px;
}
.btn-lg {
  padding: 14px 30px;
  font-size: 16px;
}

/* ---------- Hero ---------- */
.hero {
  padding: 92px 0 84px;
  background:
    radial-gradient(circle at 12% 20%, rgba(112, 196, 201, 0.16) 0, transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(95, 247, 255, 0.13) 0, transparent 38%);
}
.eyebrow {
  margin: 0 0 16px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aqua-600);
}
.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 15ch;
  text-wrap: balance;
}
.hero h1 em {
  font-style: normal;
  color: var(--aqua-600);
}
.lede {
  margin: 0 0 34px;
  font-size: 18px;
  line-height: 1.62;
  color: var(--ink-600);
  max-width: 60ch;
}
.cta-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.cta-note {
  font-size: 13.5px;
  color: var(--ink-500);
}

/* ---------- Sections ---------- */
section h2 {
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: -0.028em;
  margin: 0 0 34px;
  font-weight: 700;
}
.band {
  background: var(--ink-50);
  border-top: 1px solid var(--ink-200);
  border-bottom: 1px solid var(--ink-200);
  padding: 76px 0;
}
.features {
  padding: 76px 0;
}
.closing {
  padding: 84px 0 96px;
  text-align: center;
}
.closing p {
  color: var(--ink-600);
  margin: 0 0 28px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.steps .num {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--aqua-600);
  margin-bottom: 10px;
}
.steps h3,
.grid h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.steps p,
.grid p {
  margin: 0;
  color: var(--ink-600);
  font-size: 15px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid article {
  border: 1px solid var(--ink-200);
  border-radius: var(--radius);
  padding: 24px;
  background: #fff;
  transition: border-color 0.18s ease-out;
}
.grid article:hover {
  border-color: var(--aqua);
}

.checks {
  list-style: none;
  padding: 0;
  margin: 26px 0;
}
.checks li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 15px;
  color: var(--ink-600);
}
.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 15px;
  height: 8px;
  border-left: 2.5px solid var(--aqua-600);
  border-bottom: 2.5px solid var(--aqua-600);
  transform: rotate(-45deg);
}
.checks strong {
  color: var(--ink-950);
}
.fine {
  font-size: 13.5px;
  color: var(--ink-500);
}

/* ---------- Legal pages ---------- */
.legal {
  padding: 64px 0 88px;
}
.legal h1 {
  font-size: clamp(30px, 4.2vw, 40px);
  letter-spacing: -0.03em;
  margin: 0 0 6px;
}
.legal .updated {
  color: var(--ink-500);
  font-size: 13.5px;
  margin: 0 0 40px;
}
.legal h2 {
  font-size: 20px;
  margin: 40px 0 12px;
  letter-spacing: -0.015em;
}
.legal h3 {
  font-size: 16px;
  margin: 26px 0 8px;
}
.legal p,
.legal li {
  color: var(--ink-700);
  font-size: 15.5px;
}
.legal ul {
  padding-left: 22px;
}
.legal li {
  margin-bottom: 8px;
}
.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 26px;
  font-size: 14.5px;
}
.legal th,
.legal td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--ink-200);
  vertical-align: top;
}
.legal th {
  background: var(--ink-100);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-600);
}
.callout {
  border-left: 3px solid var(--aqua);
  background: var(--aqua-50);
  padding: 16px 20px;
  border-radius: 0 10px 10px 0;
  margin: 24px 0;
}
.callout p {
  margin: 0;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--ink-200);
  padding: 40px 0;
  background: var(--ink-50);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-inner .fine {
  margin: 4px 0 0;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--ink-600);
  text-decoration: none;
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--ink-950);
  text-decoration: underline;
}

@media (max-width: 860px) {
  .steps,
  .grid {
    grid-template-columns: 1fr;
  }
  .nav-links a:not(.btn) {
    display: none;
  }
  .hero {
    padding: 64px 0 56px;
  }
}