:root {
  --ink: #0b2533;
  --muted: #526774;
  --line: #d7e9ee;
  --aqua: #23bfd0;
  --aqua-dark: #088ba0;
  --aqua-pale: #e8fbfd;
  --white: #ffffff;
  --cream: #fbf7ef;
  --coral: #f47b63;
  --shadow: 0 24px 70px rgba(11, 37, 51, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(215, 233, 238, 0.8);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
}

.nav-links {
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

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

.section {
  padding: clamp(20px, 1vw, 72px) clamp(20px, 5vw, 72px);
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
  min-height: calc(100vh - 72px);
  background:
    linear-gradient(115deg, var(--white) 0%, var(--white) 56%, var(--aqua-pale) 56%, #f6feff 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--aqua-dark);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 800px;
  margin-bottom: 18px;
  font-size: clamp(3.2rem, 7vw, 7.4rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.2vw, 4.8rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
}

.intro {
  max-width: 670px;
  margin-bottom: 16px;
  font-size: clamp(1.2rem, 2.1vw, 1.85rem);
  line-height: 1.23;
  color: var(--ink);
}

.hero-text,
.section-heading p,
.signup-copy p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-text {
  max-width: 660px;
}

.hero-actions,
.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions {
  margin: 30px 0 34px;
}

.button,
button {
  min-height: 50px;
  border: 0;
  border-radius: 8px;
  padding: 0 22px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.primary,
button {
  color: var(--white);
  background: var(--ink);
}

.secondary {
  color: var(--ink);
  background: var(--aqua-pale);
}

.proof-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 14px;
  max-width: 620px;
  margin: 0;
}

.proof-points div,
.step {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.proof-points div {
  padding: 18px;
}

.proof-points dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.proof-points dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: min(100%, 560px);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy,
.hero-visual,
.signup-copy,
.signup-image {
  min-width: 0;
}

.feature-visual,
.signup-image img {
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.how {
  background: var(--white);
}

.section-heading {
  max-width: 900px;
  margin-bottom: 34px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.step {
  padding: 24px;
}

.step-number {
  display: inline-flex;
  margin-bottom: 26px;
  color: var(--coral);
  font-weight: 900;
}

.step p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-visual {
  width: 100%;
  border: 1px solid var(--line);
}

.signup {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  background: var(--cream);
}

.signup-image {
  display: grid;
  gap: 16px;
  justify-self: start;
  width: 100%;
  max-width: 720px;
}

.signup-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
  background: var(--white);
}

.signup-copy {
  justify-self: stretch;
  width: 100%;
  max-width: 780px;
}

.signup-form {
  margin-top: 28px;
}

label {
  display: block;
  margin-bottom: 10px;
  font-weight: 800;
}

input {
  flex: 1 1 240px;
  min-height: 52px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

input:focus {
  border-color: var(--aqua);
  outline: 3px solid rgba(35, 191, 208, 0.18);
}

.small-note {
  margin-top: 16px;
  font-size: 0.94rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
}

@media (max-width: 920px) {
  .hero,
  .signup {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    background: var(--white);
  }

  .hero-visual {
    max-width: 480px;
  }

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

@media (max-width: 640px) {
  .site-header,
  .nav-links,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    gap: 12px;
  }

  .nav-links {
    gap: 12px;
  }

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

  .button,
  button,
  input {
    width: 100%;
  }
}