:root {
  --black: #050505;
  --ink: #111111;
  --muted: #636363;
  --white: #ffffff;
  --paper: #f6f4ef;
  --lime: #d7ff3f;
  --blue: #2547ff;
  --line: rgba(5, 5, 5, 0.14);
  --line-dark: rgba(255, 255, 255, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.45;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 3.5rem);
  background: rgba(246, 244, 239, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  font-family: "DM Sans", sans-serif;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 900;
  letter-spacing: -0.06em;
}

nav { display: flex; gap: 1.6rem; color: var(--muted); font-weight: 700; font-size: 0.92rem; }
nav a:hover { color: var(--blue); }

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: 0.28fr 1fr;
  align-items: end;
  gap: clamp(1.5rem, 5vw, 5rem);
  padding: clamp(4rem, 9vw, 8rem) clamp(1rem, 5vw, 5rem) clamp(3rem, 7vw, 5.5rem);
  background:
    linear-gradient(90deg, transparent 0 27%, rgba(5,5,5,0.08) 27% calc(27% + 1px), transparent calc(27% + 1px)),
    radial-gradient(circle at 84% 14%, rgba(37, 71, 255, 0.20), transparent 22rem),
    var(--paper);
}

.hero-meta {
  max-width: 12rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  align-self: start;
}

h1, h2, h3 {
  font-family: "DM Sans", sans-serif;
  margin: 0;
  letter-spacing: -0.075em;
  line-height: 0.9;
}

h1 {
  grid-column: 2;
  max-width: 10.5ch;
  font-size: clamp(4.4rem, 13vw, 13.5rem);
  font-weight: 900;
}

.hero-copy {
  grid-column: 2;
  max-width: 48rem;
  margin: 1.6rem 0 0;
  color: var(--ink);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 600;
}

.split-section {
  display: grid;
  grid-template-columns: 0.28fr 1fr;
  gap: clamp(1.5rem, 5vw, 5rem);
  padding: clamp(4rem, 9vw, 8rem) clamp(1rem, 5vw, 5rem);
  border-top: 1px solid var(--line);
}

.section-label {
  margin: 0;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-body h2,
.contact h2 {
  max-width: 12ch;
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 900;
}

.section-body p {
  max-width: 44rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  font-weight: 600;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles article {
  min-height: 25rem;
  padding: clamp(1.2rem, 3vw, 2rem);
  border-right: 1px solid var(--line);
  background: var(--white);
}
.principles article:last-child { border-right: 0; }
.principles span,
.work-item span {
  display: inline-block;
  margin-bottom: 7rem;
  color: var(--blue);
  font-weight: 900;
}
.principles h3 {
  font-size: clamp(2.4rem, 5vw, 5.2rem);
  font-weight: 900;
}
.principles p {
  max-width: 22rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-weight: 600;
}

.dark {
  background: var(--black);
  color: var(--white);
  border-top: 0;
}
.dark .section-label { color: var(--lime); }
.dark .section-body p { color: rgba(255,255,255,0.72); }

.work-list { border-top: 1px solid var(--line); }
.work-item {
  display: grid;
  grid-template-columns: 0.28fr 1fr;
  gap: clamp(1.5rem, 5vw, 5rem);
  padding: clamp(1.8rem, 4vw, 3rem) clamp(1rem, 5vw, 5rem);
  border-bottom: 1px solid var(--line);
}
.work-item span { margin-bottom: 0; color: var(--ink); font-size: clamp(1.2rem, 2.2vw, 1.7rem); }
.work-item p {
  max-width: 54rem;
  margin: 0;
  font-family: "DM Sans", sans-serif;
  font-size: clamp(1.8rem, 4vw, 4rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.refusal {
  padding: clamp(4rem, 9vw, 8rem) clamp(1rem, 5vw, 5rem);
  background: var(--lime);
  border-top: 1px solid var(--line);
}
.refusal .section-label { color: var(--black); margin-bottom: 1.4rem; }
.refusal blockquote,
.proof blockquote {
  max-width: 66rem;
  margin: 0;
  font-family: "DM Sans", sans-serif;
  font-size: clamp(2.3rem, 6vw, 6.2rem);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.075em;
}

.proof {
  padding: clamp(4rem, 9vw, 8rem) clamp(1rem, 5vw, 5rem);
  background: var(--white);
}
.proof blockquote::before { content: "“"; color: var(--blue); }
.proof blockquote::after { content: "”"; color: var(--blue); }

.contact {
  display: grid;
  grid-template-columns: 0.62fr 0.38fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: end;
  padding: clamp(4rem, 9vw, 8rem) clamp(1rem, 5vw, 5rem);
  background: var(--black);
  color: var(--white);
}
.contact .section-label { color: var(--lime); margin-bottom: 1rem; }
.contact-link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 3.2rem;
  padding: 0.9rem 1.2rem;
  background: var(--lime);
  color: var(--black);
  border-radius: 999px;
  font-weight: 900;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.2rem clamp(1rem, 5vw, 5rem);
  color: rgba(255,255,255,0.72);
  background: var(--black);
  border-top: 1px solid var(--line-dark);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  nav { display: none; }
  .hero,
  .split-section,
  .work-item,
  .contact {
    grid-template-columns: 1fr;
  }
  h1,
  .hero-copy { grid-column: 1; }
  .hero-meta { max-width: none; }
  .principles { grid-template-columns: 1fr; }
  .principles article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .principles span { margin-bottom: 3rem; }
  .work-item p { font-size: clamp(1.7rem, 8vw, 3.5rem); }
  .contact-link { max-width: 100%; overflow-wrap: anywhere; }
}