:root {
  color-scheme: light;
  --ink: #17201b;
  --muted: #5e6b62;
  --paper: #f8f7f2;
  --panel: #ffffff;
  --line: #d8ddd3;
  --accent: #0b6b57;
  --accent-dark: #08493d;
  --gold: #b6812d;
  --blue: #234f74;
  --shadow: 0 24px 70px rgba(23, 32, 27, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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);
  border-bottom: 1px solid rgba(216, 221, 211, 0.78);
  background: rgba(248, 247, 242, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.95rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.5vw, 28px);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

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

.nav-cta {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
}

.hero {
  display: grid;
  min-height: calc(100svh - 72px);
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.68fr);
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  padding: clamp(56px, 8vw, 116px) clamp(20px, 5vw, 72px) clamp(40px, 6vw, 80px);
  background:
    linear-gradient(135deg, rgba(11, 107, 87, 0.12), transparent 34%),
    linear-gradient(45deg, rgba(35, 79, 116, 0.12), transparent 42%),
    var(--paper);
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.3rem, 7.3vw, 7.4rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.15rem, 4.2vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 1.03rem;
  letter-spacing: 0;
}

.hero-text {
  max-width: 690px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.7vw, 1.36rem);
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 760;
}

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

.button.primary:hover {
  background: var(--accent-dark);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.signal-panel {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.signal-panel > div {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 3vw, 30px);
  background: rgba(255, 255, 255, 0.9);
}

.signal-label,
.feature-kicker {
  color: var(--blue);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.section,
.band,
.closing {
  padding: clamp(64px, 9vw, 112px) clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 780px;
}

.section-heading p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.feature {
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.feature h3 {
  margin-top: 36px;
}

.feature p {
  margin: 14px 0 0;
  color: var(--muted);
}

.band {
  background: #eef1ea;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.steps li {
  display: grid;
  gap: 34px;
  align-content: space-between;
  min-height: 310px;
  padding: 24px;
  background: var(--panel);
}

.steps span {
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.steps p {
  margin: 12px 0 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.72fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.standards-list {
  display: grid;
  gap: 10px;
}

.standards-list div {
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: var(--panel);
  font-weight: 720;
}

.closing {
  display: grid;
  justify-items: start;
  gap: 22px;
  background: var(--ink);
  color: var(--paper);
}

.closing h2 {
  max-width: 850px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  background: #101612;
  color: rgba(248, 247, 242, 0.72);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    flex-wrap: wrap;
  }

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

  .hero {
    min-height: auto;
  }

  h1 {
    max-width: 11ch;
  }

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

  .feature,
  .steps li {
    min-height: 0;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .nav a:not(.nav-cta) {
    display: none;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .hero-actions,
  .button {
    width: 100%;
  }
}