:root {
  --bg: #ffffff;
  --ink: #11161c;
  --muted: #596069;
  --line: #dfe5e7;
  --line-strong: #c8d2d3;
  --mint: #48c7ac;
  --mint-deep: #28a78e;
  --focus: #1f8c78;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

img,
svg {
  display: block;
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  padding: 36px 28px 0;
  position: relative;
  z-index: 2;
}

.brand {
  align-items: flex-start;
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
}

.brand-word {
  color: #11161c;
  font-size: 42px;
  font-weight: 620;
  letter-spacing: -0.5px;
  line-height: 0.78;
}

.brand-tagline {
  color: #4e555d;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 5.5px;
  line-height: 1;
  text-transform: uppercase;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 30px;
  color: #242a31;
  font-size: 13px;
}

.nav-links a {
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
}

.nav-links a:hover {
  border-color: var(--mint);
}

.hero {
  align-items: center;
  display: grid;
  gap: 30px;
  grid-template-columns: minmax(480px, 0.84fr) minmax(500px, 1fr);
  margin: 0 auto;
  max-width: var(--max);
  min-height: calc(100vh - 98px);
  padding: 42px 28px 24px;
}

.hero-copy {
  max-width: 510px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(46px, 5vw, 58px);
  font-weight: 760;
  line-height: 1;
  max-width: 590px;
}

.hero-subcopy {
  color: #30373f;
  font-size: 18px;
  line-height: 1.55;
  margin-top: 28px;
  max-width: 460px;
}

.hero-art {
  align-self: center;
  min-width: 0;
}

.hero-art img {
  filter: saturate(0.96);
  height: auto;
  width: 100%;
}

.interest-form {
  display: grid;
  gap: 12px;
  margin-top: 34px;
  max-width: 440px;
}

.form-title {
  color: var(--ink);
  font-size: 15px;
  font-weight: 680;
}

.interest-form label {
  display: block;
}

.interest-form label span {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

input {
  appearance: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  height: 48px;
  outline: 0;
  padding: 0 16px;
  transition: border-color 160ms ease, box-shadow 160ms ease;
  width: 100%;
}

input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(72, 199, 172, 0.16);
}

button {
  align-items: center;
  appearance: none;
  background: linear-gradient(135deg, var(--mint), var(--mint-deep));
  border: 0;
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 14px;
  font-weight: 720;
  height: 48px;
  justify-content: center;
  padding: 0 18px;
  position: relative;
  transition: filter 160ms ease, transform 160ms ease;
}

button:hover {
  filter: brightness(0.98);
}

button:active {
  transform: translateY(1px);
}

button svg {
  height: 20px;
  position: absolute;
  right: 18px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 20px;
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.form-status {
  color: var(--mint-deep);
  font-size: 13px;
  min-height: 18px;
}

.form-status.error {
  color: #aa332c;
}

.meta-row {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 18px;
  margin-top: 24px;
}

.meta-row span + span {
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.promise,
.flow,
.use-cases,
.closing,
.site-footer {
  border-top: 1px solid var(--line);
  margin: 0 auto;
  max-width: var(--max);
}

.promise {
  padding: 26px 28px 28px;
  text-align: center;
}

.down-mark {
  border-bottom: 1px solid var(--ink);
  border-right: 1px solid var(--ink);
  display: inline-block;
  height: 8px;
  margin-bottom: 28px;
  transform: rotate(45deg);
  width: 8px;
}

.promise p {
  font-size: clamp(20px, 2.7vw, 27px);
  line-height: 1.35;
  margin: 0 auto;
  max-width: 590px;
}

.flow {
  padding: 0 28px;
}

.flow h2,
.use-cases h2,
.closing h2 {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.flow-grid article {
  align-items: center;
  display: grid;
  gap: 12px 24px;
  grid-template-columns: 64px 1fr;
  padding: 42px 38px;
}

.flow-grid article + article {
  border-left: 1px solid var(--line);
}

.line-icon,
.use-icon {
  align-items: center;
  border: 2px solid var(--mint);
  border-radius: 50%;
  color: var(--ink);
  display: inline-flex;
  height: 52px;
  justify-content: center;
  width: 52px;
}

.line-icon svg,
.use-icon svg {
  fill: none;
  height: 27px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.55;
  width: 27px;
}

.flow-grid h3,
.use-grid h3 {
  font-size: 20px;
  font-weight: 720;
  line-height: 1.1;
}

.flow-grid p,
.use-grid p {
  color: #313840;
  font-size: 14px;
  grid-column: 2;
  line-height: 1.45;
}

.use-cases {
  padding: 0 28px;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.use-grid article {
  display: grid;
  gap: 14px;
  padding: 40px 34px;
}

.use-grid article + article {
  border-left: 1px solid var(--line);
}

.use-icon {
  border-radius: 16px;
  height: 48px;
  width: 48px;
}

.use-grid p {
  grid-column: auto;
}

.closing {
  padding: 42px 28px 44px;
  text-align: center;
}

.closing h2 {
  clip: auto;
  clip-path: none;
  height: auto;
  overflow: visible;
  position: static;
  white-space: normal;
  width: auto;
}

.closing h2 {
  font-size: 24px;
  line-height: 1.1;
}

.closing > p {
  color: #313840;
  font-size: 15px;
  line-height: 1.5;
  margin-top: 10px;
}

.interest-form.compact {
  align-items: start;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(180px, 1fr) minmax(220px, 1fr) minmax(190px, 0.76fr);
  margin: 28px auto 0;
  max-width: 880px;
}

.interest-form.compact .form-status {
  grid-column: 1 / -1;
  text-align: center;
}

.site-footer {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 26px 28px 34px;
}

.footer-brand .brand-word {
  font-size: 34px;
}

.site-footer p {
  color: var(--muted);
  font-size: 12px;
}

.site-footer .made-with-love {
  color: #313840;
  margin-top: 6px;
}

@media (max-width: 900px) {
  .site-header {
    padding: 24px 20px 0;
  }

  .brand-word {
    font-size: 34px;
  }

  .brand-tagline {
    font-size: 8px;
    letter-spacing: 4px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    gap: 26px;
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 36px 20px 18px;
  }

  h1 {
    font-size: clamp(42px, 12vw, 60px);
  }

  .hero-subcopy {
    font-size: 16px;
    margin-top: 20px;
  }

  .interest-form {
    margin-top: 26px;
    max-width: none;
  }

  .hero-art {
    margin: 4px -20px 0;
  }

  .promise,
  .flow,
  .use-cases,
  .closing,
  .site-footer {
    margin-left: 20px;
    margin-right: 20px;
  }

  .promise {
    padding: 24px 0;
  }

  .flow,
  .use-cases {
    padding: 0;
  }

  .flow-grid,
  .use-grid,
  .interest-form.compact {
    grid-template-columns: 1fr;
  }

  .flow-grid article,
  .use-grid article {
    padding: 28px 0;
  }

  .flow-grid article + article,
  .use-grid article + article {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .use-grid article {
    grid-template-columns: 58px 1fr;
  }

  .use-grid p {
    grid-column: 2;
  }

  .closing {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (max-width: 460px) {
  .meta-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .meta-row span + span {
    border-left: 0;
    padding-left: 0;
  }

  .flow-grid article {
    grid-template-columns: 58px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}