:root {
  --ink: #24272a;
  --charcoal: #35383b;
  --mist: #f5f6f3;
  --paper: #fffdf8;
  --line: #d9ddd2;
  --green: #40554b;
  --brass: #aa8a4f;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Aptos", "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 16px 0;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(14px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  width: clamp(250px, 30vw, 370px);
  min-height: 64px;
  padding: 0;
  border: 0;
  background: transparent;
  text-decoration: none;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 9px 13px;
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--charcoal);
  font-size: 0.92rem;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  border-color: var(--line);
  background: #ffffff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(320px, 0.9fr);
  align-items: center;
  gap: clamp(32px, 6vw, 86px);
  width: min(100% - 32px, var(--max));
  min-height: calc(100vh - 102px);
  margin: 0 auto;
  padding: 34px 0 58px;
}

.hero-visual {
  display: grid;
  place-items: center;
  min-height: 420px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(64, 85, 75, 0.08), transparent 42%),
    #ffffff;
}

.hero-visual img {
  width: min(92%, 540px);
}

.hero-copy {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 6.4vw, 5.85rem);
  font-weight: 500;
  line-height: 0.94;
}

h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.1rem, 4.5vw, 4.3rem);
  font-weight: 500;
  line-height: 1.02;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 580px;
  margin-bottom: 30px;
  color: #4d5255;
  font-size: clamp(1.08rem, 2vw, 1.34rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 750;
}

.button-primary {
  background: var(--ink);
  color: #ffffff;
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  width: min(100%, var(--max));
  margin: 0 auto;
  border: 1px solid var(--line);
  background: var(--line);
}

.intro-band div {
  padding: 26px;
  background: var(--mist);
}

.intro-band span,
.intro-band strong {
  display: block;
}

.intro-band span {
  margin-bottom: 6px;
  color: #696f6d;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.intro-band strong {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.section,
.split-section,
.principles,
.contact-section {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: clamp(68px, 10vw, 120px) 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.78fr 1.2fr;
  align-items: end;
  gap: 42px;
  margin-bottom: 42px;
}

.section-heading.compact {
  display: block;
  max-width: 720px;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.approach-grid article,
.platform-list div {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.number {
  display: inline-block;
  margin-bottom: 70px;
  color: var(--brass);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.4rem;
}

.approach-grid p,
.platform-list p,
.split-copy p {
  color: #565d5b;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(28px, 5vw, 76px);
  border-top: 1px solid var(--line);
}

.split-copy {
  position: sticky;
  top: 110px;
  align-self: start;
}

.split-copy p:not(.eyebrow) {
  margin-top: 22px;
  font-size: 1.08rem;
}

.platform-list {
  display: grid;
  gap: 14px;
}

.platform-list div {
  min-height: 168px;
}

.principles {
  border-top: 1px solid var(--line);
}

.principles-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 38px;
  background: var(--line);
  border: 1px solid var(--line);
}

.principles-row p {
  min-height: 128px;
  margin: 0;
  padding: 22px;
  background: var(--green);
  color: #ffffff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.12;
}

.contact-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: end;
  gap: 30px;
  border-top: 1px solid var(--line);
}

.contact-link {
  justify-self: end;
  padding: 16px 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: #606765;
  font-size: 0.92rem;
}

@media (max-width: 860px) {
  .site-header {
    position: static;
  }

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

  .hero {
    min-height: auto;
    padding-top: 18px;
  }

  .hero-visual {
    min-height: 320px;
    order: -1;
  }

  .intro-band,
  .approach-grid,
  .principles-row {
    grid-template-columns: 1fr;
  }

  .split-copy {
    position: static;
  }

  .contact-link {
    justify-self: start;
  }
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
  }

  .brand-mark {
    width: 210px;
    min-height: 48px;
    padding: 0;
  }

  .brand-mark img {
    width: 100%;
    height: auto;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
    max-width: 220px;
  }

  .nav-links a {
    padding: 7px 9px;
    font-size: 0.84rem;
  }

  .hero-actions {
    display: grid;
  }

  .button,
  .contact-link {
    width: 100%;
  }

  .intro-band {
    width: calc(100% - 32px);
  }

  .approach-grid article,
  .platform-list div,
  .intro-band div {
    padding: 22px;
  }

  .number {
    margin-bottom: 46px;
  }

  .site-footer {
    flex-direction: column;
  }
}