:root {
  --paper: #f5f3ec;
  --surface: #fbfaf6;
  --ink: #132019;
  --muted: #687169;
  --accent: #1f4d3b;
  --accent-dark: #15362a;
  --line: rgba(19, 32, 25, 0.14);
  --line-strong: rgba(19, 32, 25, 0.28);
  --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, input, textarea { font: inherit; }

.container,
.nav-shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: rgba(245, 243, 236, 0.9);
  backdrop-filter: blur(14px);
}

.nav-shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  position: relative;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--ink); }

.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 1px;
  background: var(--ink);
}

main { min-height: 70vh; }

.hero {
  padding: clamp(88px, 12vw, 164px) 0 clamp(78px, 10vw, 132px);
}

.hero-compact { padding-bottom: 72px; }
.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(270px, 0.65fr);
  gap: clamp(56px, 8vw, 118px);
  align-items: end;
}
.hero-copy { max-width: 870px; }
.narrow { max-width: 990px; margin-inline: auto; }

.eyebrow,
.section-label {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }
h1 {
  max-width: 970px;
  margin-bottom: 28px;
  font-size: clamp(3.8rem, 8.7vw, 8.2rem);
  line-height: 0.91;
  letter-spacing: -0.072em;
  font-weight: 690;
}
.hero-compact h1 {
  max-width: 1040px;
  font-size: clamp(3.2rem, 7vw, 6.4rem);
}

.lead {
  max-width: 790px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.36rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 17px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.button:hover { border-color: var(--ink); background: rgba(19, 32, 25, 0.04); }
.button.primary { border-color: var(--accent); background: var(--accent); color: white; }
.button.primary:hover { background: var(--accent-dark); }

.text-link {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 720;
  text-decoration: none;
}
.text-link span { margin-left: 5px; }

.signal-card {
  border-top: 1px solid var(--ink);
  padding-top: 6px;
}
.signal-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.signal-row span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.signal-row strong { font-size: 0.96rem; font-weight: 680; }

.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.2);
}
.strip-inner {
  min-height: 78px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  gap: 20px;
}
.strip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.strip p:last-child { color: var(--ink); font-weight: 700; }

.section { padding: 86px 0; }
.compact-section { padding: 66px 0; }

.split-callout {
  display: grid;
  grid-template-columns: 0.5fr minmax(0, 1.55fr) auto;
  gap: 40px;
  align-items: start;
}
.split-callout h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
  font-weight: 630;
}

.services-section { padding-top: 22px; }
.service-list { max-width: 1040px; }
.service-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 26px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}
.service-item:last-child { border-bottom: 1px solid var(--line); }
.service-index {
  padding-top: 7px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.service-item h2 {
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 3.2vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
  font-weight: 650;
}
.service-item p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1rem;
}

.metric-grid,
.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--ink);
}
.metric-grid > div,
.method-grid > div {
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 24px 22px 0;
  border-bottom: 1px solid var(--line);
}
.metric-grid > div + div { border-left: 1px solid var(--line); padding-left: 24px; }
.metric-grid span,
.method-grid span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.metric-grid strong,
.method-grid strong {
  max-width: 440px;
  font-size: clamp(1.12rem, 2vw, 1.55rem);
  line-height: 1.25;
  font-weight: 650;
}
.method-grid { grid-template-columns: repeat(3, 1fr); }
.method-grid > div + div { border-left: 1px solid var(--line); padding-left: 24px; }

.contact-section { padding-top: 34px; }
.contact-panel {
  display: grid;
  grid-template-columns: minmax(200px, 0.6fr) minmax(0, 1.4fr);
  gap: 54px;
  align-items: start;
  padding-top: 36px;
  border-top: 1px solid var(--ink);
}
.contact-panel .section-label { grid-column: 1; }
.contact-panel h2 {
  grid-column: 1;
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
  font-weight: 630;
}
.contact-form {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: grid;
  gap: 18px;
}
.form-row { display: grid; gap: 7px; }
.form-row label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.04em;
}
input,
textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  outline: none;
}
input { min-height: 46px; padding: 8px 0; }
textarea { min-height: 112px; padding: 10px 0; resize: vertical; }
input:focus,
textarea:focus { border-color: var(--ink); }
textarea::placeholder { color: #8a918b; }
.form-actions { margin-top: 6px; }

.site-footer {
  padding: 32px 0 42px;
  border-top: 1px solid var(--line);
}
.footer-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
}
.footer-top p { margin-bottom: 0; font-size: 0.82rem; }
.footer-top a { font-weight: 700; text-decoration: none; }
.disclaimer {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; }
  .signal-card { max-width: 520px; }
  .split-callout { grid-template-columns: 1fr; gap: 20px; }
  .split-callout .button { width: fit-content; }
  .contact-panel { grid-template-columns: 1fr; gap: 24px; }
  .contact-panel .section-label,
  .contact-panel h2,
  .contact-form { grid-column: 1; grid-row: auto; }
  .method-grid { grid-template-columns: 1fr; }
  .method-grid > div + div { border-left: 0; padding-left: 0; }
}

@media (max-width: 700px) {
  .container,
  .nav-shell { width: min(calc(100% - 30px), var(--max-width)); }
  .nav-shell { min-height: 64px; }
  .brand { font-size: 0.78rem; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 0.78rem; }
  .nav-links a[aria-current="page"]::after { bottom: -8px; }

  .hero { padding: 72px 0 68px; }
  h1 { font-size: clamp(3.65rem, 18vw, 5.8rem); }
  .hero-compact h1 { font-size: clamp(3.2rem, 15vw, 5rem); }
  .lead { font-size: 1.04rem; }

  .strip-inner { grid-template-columns: 1fr; gap: 0; padding: 16px 0; }
  .strip p { padding: 6px 0; }

  .section { padding: 62px 0; }
  .compact-section { padding: 52px 0; }
  .service-item { grid-template-columns: 42px 1fr; gap: 16px; padding: 28px 0; }
  .service-index { padding-top: 5px; }

  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid > div + div { border-left: 0; padding-left: 0; }
  .metric-grid > div,
  .method-grid > div { min-height: 116px; }

  .footer-top { display: grid; gap: 8px; }
}