:root {
  color-scheme: dark;
  --background: #0b0f14;
  --surface: #111821;
  --raised: #151e29;
  --text: #f1f5f7;
  --muted: #a6b1bc;
  --line: #273441;
  --accent: #62d4b5;
  --accent-dark: #082c24;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(circle at 80% 4%, rgba(98, 212, 181, .1), transparent 30rem), var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-header, main, .site-footer { width: min(calc(100% - 2.5rem), var(--max)); margin-inline: auto; }

.site-header {
  display: flex;
  min-height: 5.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .75rem; font-weight: 700; text-decoration: none; }
.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid rgba(98, 212, 181, .5);
  border-radius: .5rem;
  background: var(--accent-dark);
  color: var(--accent);
  font-size: .72rem;
  letter-spacing: .08em;
}
.site-nav { display: flex; gap: 1.5rem; color: var(--muted); font-size: .9rem; }
.site-nav a { text-decoration-color: transparent; text-underline-offset: .35em; }
.site-nav a:hover, .site-nav [aria-current="page"] { color: var(--text); text-decoration-color: var(--accent); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, .55fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: end;
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 9vw, 7rem);
}
.eyebrow, .service-number {
  display: block;
  margin: 0 0 1.1rem;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 680;
  letter-spacing: -.065em;
  line-height: .98;
}
.hero-copy { max-width: 43rem; margin: 1.75rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.hero-note { padding: 1.35rem; border: 1px solid var(--line); border-radius: .75rem; background: rgba(17, 24, 33, .78); }
.hero-note strong { display: block; margin-bottom: .5rem; font-size: .78rem; letter-spacing: .11em; text-transform: uppercase; }
.hero-note p { margin: 0; color: var(--muted); font-size: .94rem; }

.service-index {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: clamp(4rem, 9vw, 7rem);
  padding: 1px;
  border-radius: .75rem;
  overflow: hidden;
  background: var(--line);
}
.service-index a { min-height: 9.5rem; padding: 1.35rem; background: var(--surface); text-decoration: none; }
.service-index a:hover { background: var(--raised); }
.service-index span, .principle span { display: block; margin-bottom: 2rem; color: var(--accent); font-size: .75rem; font-weight: 700; letter-spacing: .1em; }
.service-index strong { display: block; max-width: 18ch; font-size: .98rem; line-height: 1.4; }

.services { border-top: 1px solid var(--line); }
.service {
  display: grid;
  grid-template-columns: minmax(14rem, .75fr) minmax(0, 1.25fr);
  gap: clamp(2.5rem, 8vw, 7rem);
  padding: clamp(4rem, 9vw, 7rem) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 2rem;
}
h2 { max-width: 12ch; margin: 0; font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -.045em; line-height: 1.05; }
.service-intro { max-width: 43rem; margin: 0 0 2rem; color: var(--muted); font-size: 1.08rem; }
.capabilities {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.capabilities li {
  position: relative;
  min-height: 4.75rem;
  padding: 1rem 1rem 1rem 2.25rem;
  border: 1px solid var(--line);
  border-radius: .55rem;
  background: var(--surface);
  color: #dce3e8;
  font-size: .94rem;
}
.capabilities li::before {
  position: absolute;
  top: 1.35rem;
  left: 1rem;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.principles { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; margin-bottom: 2.25rem; }
.section-heading h2 { max-width: none; }
.section-heading p { max-width: 42rem; margin: 0; color: var(--muted); }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; padding: 1px; border-radius: .75rem; overflow: hidden; background: var(--line); }
.principle { min-height: 12rem; padding: 1.5rem; background: var(--surface); }
.principle h3 { margin: 0 0 .65rem; font-size: 1.05rem; }
.principle p { margin: 0; color: var(--muted); font-size: .92rem; }

.cta {
  display: grid;
  grid-template-columns: 1.3fr auto;
  gap: 2rem;
  align-items: center;
  margin-bottom: clamp(4rem, 9vw, 7rem);
  padding: clamp(1.75rem, 5vw, 3rem);
  border: 1px solid rgba(98, 212, 181, .38);
  border-radius: .85rem;
  background: linear-gradient(135deg, rgba(98, 212, 181, .08), transparent 55%), var(--surface);
}
.cta h2 { max-width: 18ch; margin-bottom: .75rem; }
.cta p { max-width: 43rem; margin: 0; color: var(--muted); }
.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.15rem;
  border: 1px solid var(--accent);
  border-radius: .5rem;
  background: var(--accent);
  color: #07110e;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
}
.button:hover { border-color: #83e2c8; background: #83e2c8; }
.site-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 0 2.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.site-footer p { margin: 0; }
.site-footer a { text-underline-offset: .25em; }

@media (max-width: 840px) {
  .service-index { grid-template-columns: repeat(2, 1fr); }
  .principle-grid { grid-template-columns: 1fr; }
  .principle { min-height: auto; }
}
@media (max-width: 760px) {
  .hero, .service, .section-heading, .cta { grid-template-columns: 1fr; }
  .hero { gap: 3rem; align-items: start; }
  .hero-note { max-width: 30rem; }
  .button { justify-self: start; }
  .site-footer { flex-direction: column; }
}
@media (max-width: 560px) {
  .site-header, main, .site-footer { width: min(calc(100% - 1.5rem), var(--max)); }
  .site-header { flex-wrap: wrap; min-height: 4.75rem; padding: .75rem 0; }
  .site-nav { width: 100%; justify-content: flex-end; gap: 1rem; font-size: .82rem; }
  .site-nav a:first-child { display: none; }
  h1 { font-size: clamp(2.7rem, 15vw, 4rem); }
  .hero { padding-top: 4rem; }
  .service-index, .capabilities { grid-template-columns: 1fr; }
  .service-index a { min-height: 8rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }