:root {
  --white: #ffffff;
  --paper: #fbfbfa;
  --ink: #101112;
  --muted: #64676c;
  --line: rgba(2, 8, 20, 0.16);
  --navy: #020814;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family:
    "Avenir Next", Avenir, Inter, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

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

p,
h1,
h2,
ul,
ol {
  margin: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: center;
  gap: 36px;
  padding: 16px 64px;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(2, 8, 20, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  width: 148px;
}

.brand img,
.site-footer img {
  display: block;
  width: 100%;
  height: auto;
}

.nav {
  display: flex;
  justify-content: flex-end;
  gap: 28px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 130px 64px 88px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.hero-inner {
  width: min(1040px, 100%);
  text-align: center;
}

.kicker {
  margin-bottom: 52px;
  color: var(--navy);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  font-size: 6rem;
  line-height: 0.98;
}

h2 {
  max-width: 620px;
  font-size: 4rem;
  line-height: 1;
}

.hero-note {
  margin-top: 50px;
  color: var(--muted);
  font-size: 1.15rem;
}

.section {
  padding: 128px 64px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.section-quiet {
  background: var(--paper);
}

.section-number {
  width: min(1180px, 100%);
  margin: 0 auto 64px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
}

.section-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.48fr) minmax(360px, 0.52fr);
  gap: 96px;
  align-items: start;
}

.copy {
  color: var(--ink);
  font-size: 1.16rem;
  line-height: 1.72;
}

.copy p + p,
.copy p + ul,
.copy ul + p,
.copy p + ol {
  margin-top: 28px;
}

.question,
.statement {
  color: var(--navy);
  font-size: 1.42rem;
  font-weight: 500;
  line-height: 1.45;
}

.word-list,
.line-list,
.steps {
  padding: 0;
  list-style: none;
}

.word-list {
  color: var(--muted);
}

.word-list.divided {
  border-top: 1px solid var(--line);
}

.word-list.divided li,
.line-list li {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.line-list,
.steps {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.line-list li {
  color: var(--muted);
}

.steps {
  margin-top: 34px;
}

.steps li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.steps span {
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 700;
}

.final-cta {
  min-height: 82vh;
  display: grid;
  place-items: center;
  padding: 130px 64px;
  background: var(--navy);
  color: var(--white);
  text-align: center;
}

.final-inner {
  width: min(900px, 100%);
}

.final-cta p {
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.08rem;
}

.final-cta h2 {
  max-width: 880px;
  margin: 0 auto;
  color: var(--white);
  font-size: 4.35rem;
  line-height: 1.04;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 48px;
  padding: 13px 24px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: var(--white);
  color: var(--navy);
  font-size: 0.96rem;
  font-weight: 600;
}

.button:hover {
  border-color: rgba(255, 255, 255, 0.72);
  background: transparent;
  color: var(--white);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 36px 64px;
  background: var(--white);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer img {
  width: 146px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px 28px;
  }

  .nav {
    justify-content: flex-start;
    overflow-x: auto;
    gap: 22px;
    padding-bottom: 4px;
  }

  .hero,
  .section,
  .final-cta {
    padding-right: 28px;
    padding-left: 28px;
  }

  h1 {
    font-size: 4.4rem;
  }

  h2,
  .final-cta h2 {
    font-size: 3rem;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .brand {
    width: 140px;
  }

  .nav {
    font-size: 0.72rem;
  }

  .hero {
    min-height: 78vh;
    padding-top: 86px;
  }

  .kicker {
    margin-bottom: 34px;
    font-size: 0.82rem;
  }

  h1 {
    font-size: 3.1rem;
  }

  h2,
  .final-cta h2 {
    font-size: 2.28rem;
  }

  .hero-note {
    margin-top: 34px;
    font-size: 1rem;
  }

  .section {
    padding-top: 86px;
    padding-bottom: 86px;
  }

  .section-number {
    margin-bottom: 42px;
  }

  .copy {
    font-size: 1.04rem;
  }

  .question,
  .statement {
    font-size: 1.22rem;
  }

  .steps li {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }

  .final-cta {
    min-height: 70vh;
    padding-top: 92px;
    padding-bottom: 92px;
  }

  .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 28px;
  }
}
