:root {
  --ink: #121721;
  --muted: #66707d;
  --line: #dce1e5;
  --paper: #f7f8f5;
  --white: #ffffff;
  --navy: #0e2d45;
  --blue: #236a8f;
  --copper: #b56a4a;
  --sage: #7c8f7a;
  --shadow: 0 28px 70px rgba(18, 23, 33, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 18px clamp(20px, 4vw, 64px);
  background: rgba(247, 248, 245, 0.84);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  border-color: rgba(18, 23, 33, 0.1);
}

.brand img {
  width: 148px;
  height: auto;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 38px);
  color: var(--muted);
  font-size: 14px;
}

.nav a,
.header-cta {
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  color: var(--navy);
  border: 1px solid rgba(14, 45, 69, 0.28);
  border-radius: 999px;
  font-size: 14px;
}

.header-cta:hover {
  background: var(--navy);
  color: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.75fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(48px, 8vw, 112px) clamp(20px, 6vw, 88px) clamp(36px, 6vw, 76px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 26px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(52px, 8vw, 108px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 5vw, 66px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 17px;
  line-height: 1.25;
}

.hero-lede,
.section-main p,
.architecture-copy p,
.consulting p,
.contact p {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(17px, 1.8vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 44px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button.secondary {
  color: var(--navy);
  border-color: rgba(14, 45, 69, 0.28);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 600px;
  margin: 0;
}

.proof-grid div {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.proof-grid dt {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 36px;
  line-height: 1;
}

.proof-grid dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-media {
  justify-self: center;
  width: min(420px, 100%);
  padding: clamp(14px, 2vw, 24px);
  background: linear-gradient(145deg, rgba(35, 106, 143, 0.12), rgba(181, 106, 74, 0.12));
  border: 1px solid rgba(18, 23, 33, 0.1);
  border-radius: 8px;
}

.book-cover {
  width: 100%;
  border-radius: 4px;
  box-shadow: var(--shadow);
}

.section {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 96px);
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 88px);
  border-top: 1px solid rgba(18, 23, 33, 0.1);
}

.metric-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.metric-row span {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  color: var(--navy);
  background: rgba(35, 106, 143, 0.08);
  border: 1px solid rgba(35, 106, 143, 0.16);
  border-radius: 999px;
  font-size: 14px;
}

.image-band {
  padding: clamp(26px, 5vw, 58px) clamp(20px, 6vw, 88px);
  background: var(--ink);
}

.image-band img {
  width: min(1180px, 100%);
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.split {
  grid-template-columns: minmax(260px, 0.52fr) minmax(0, 0.9fr);
}

.feature-list {
  display: grid;
  gap: 1px;
  background: rgba(18, 23, 33, 0.12);
  border: 1px solid rgba(18, 23, 33, 0.12);
  border-radius: 8px;
  overflow: hidden;
}

.feature-list article,
.audience-grid article {
  padding: clamp(22px, 4vw, 34px);
  background: rgba(255, 255, 255, 0.56);
}

.feature-list p,
.audience-grid p {
  margin: 0;
  color: var(--muted);
}

.audience {
  display: block;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: rgba(18, 23, 33, 0.12);
  border: 1px solid rgba(18, 23, 33, 0.12);
  border-radius: 8px;
  overflow: hidden;
}

.architecture {
  display: grid;
  grid-template-columns: minmax(280px, 0.48fr) minmax(0, 0.9fr);
  gap: clamp(36px, 7vw, 88px);
  align-items: center;
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 88px);
  color: var(--white);
  background: var(--navy);
}

.architecture .section-kicker,
.architecture-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.architecture img {
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.consulting {
  background: #eef1ec;
}

.clean-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  padding: 16px 0;
  border-top: 1px solid rgba(18, 23, 33, 0.14);
  color: var(--ink);
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(280px, 0.64fr);
  gap: clamp(34px, 7vw, 92px);
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 88px);
  background: var(--white);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid rgba(18, 23, 33, 0.12);
  border-radius: 8px;
  background: var(--paper);
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(18, 23, 33, 0.14);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}

input,
select {
  min-height: 44px;
  padding: 0 12px;
}

textarea {
  resize: vertical;
  padding: 12px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(20px, 6vw, 88px);
  color: var(--muted);
  border-top: 1px solid rgba(18, 23, 33, 0.1);
  font-size: 14px;
}

.footer img {
  width: 132px;
}

.footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .hero,
  .section,
  .split,
  .architecture,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    justify-self: start;
    max-width: 360px;
  }

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

@media (max-width: 620px) {
  .site-header {
    min-height: 68px;
    padding: 14px 18px;
  }

  .brand img {
    width: 124px;
  }

  .header-cta {
    min-height: 36px;
    padding: 0 14px;
  }

  .hero {
    padding-top: 44px;
  }

  h1 {
    font-size: clamp(44px, 14vw, 62px);
  }

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

  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}