@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@500;600;700&display=swap');

:root {
  --bg: #071018;
  --bg-soft: #0b1721;
  --panel: #0f202b;
  --text: #f4f7f8;
  --muted: #9fb0ba;
  --line: rgba(255,255,255,.12);
  --accent: #75d5d0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  background: rgba(7,16,24,.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: Manrope, sans-serif;
  font-weight: 700;
  letter-spacing: .14em;
  font-size: .88rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: .9rem;
}

nav { display: flex; gap: 28px; }
nav a { color: var(--muted); font-size: .92rem; }
nav a:hover { color: var(--text); }

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 5vw;
  padding: 150px 7vw 90px;
  background:
    radial-gradient(circle at 75% 38%, rgba(62,141,153,.13), transparent 34%),
    linear-gradient(180deg, #071018 0%, #08131c 100%);
}

.eyebrow, .section-label {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
}

h1, h2, h3 {
  font-family: Manrope, sans-serif;
  line-height: 1.1;
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin: 22px 0 28px;
  font-size: clamp(3rem, 6vw, 6.4rem);
  letter-spacing: -.055em;
}

.hero-copy {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.button {
  display: inline-block;
  margin-top: 24px;
  padding: 13px 21px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 500;
  transition: .2s ease;
}

.button:hover {
  background: var(--accent);
  color: var(--bg);
}

.depth-graphic {
  position: relative;
  height: 520px;
  border-left: 1px solid var(--line);
  overflow: hidden;
}

.line {
  position: absolute;
  left: 12%;
  width: 76%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(117,213,208,.55), transparent);
}

.line::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -75px;
  width: 1px;
  height: 150px;
  background: linear-gradient(transparent, rgba(117,213,208,.4), transparent);
}

.line-1 { top: 17%; width: 42%; left: 29%; }
.line-2 { top: 37%; width: 58%; left: 21%; }
.line-3 { top: 61%; width: 72%; left: 14%; }
.line-4 { top: 84%; width: 90%; left: 5%; }

.depth-label {
  position: absolute;
  right: 6%;
  bottom: 2%;
  color: rgba(117,213,208,.65);
  font-size: .7rem;
  letter-spacing: .24em;
  writing-mode: vertical-rl;
}

.section {
  padding: 110px 7vw;
  border-top: 1px solid var(--line);
}

.two-column {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 10vw;
  margin-top: 24px;
}

h2 {
  font-size: clamp(2.2rem, 4vw, 4.5rem);
  letter-spacing: -.045em;
}

.two-column p {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 700px;
}

.approach { background: var(--bg-soft); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 42px;
  background: var(--line);
}

.cards article {
  min-height: 280px;
  padding: 34px;
  background: var(--panel);
}

.cards span {
  color: var(--accent);
  font-size: .78rem;
  letter-spacing: .12em;
}

.cards h3 {
  margin: 72px 0 18px;
  font-size: 1.35rem;
}

.cards p { color: var(--muted); }

footer {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 8vw;
  padding: 70px 7vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .85rem;
}

footer strong {
  color: var(--text);
  letter-spacing: .12em;
}

.footer-right { max-width: 700px; }
.legal { font-size: .75rem; }

@media (max-width: 850px) {
  .site-header { padding: 0 5vw; }
  nav { display: none; }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 150px 6vw 90px;
  }
  .depth-graphic { height: 260px; border-left: none; }
  .two-column, .cards, footer { grid-template-columns: 1fr; }
  .section { padding: 85px 6vw; }
  .cards { gap: 1px; }
  .cards article { min-height: 230px; }
  .cards h3 { margin-top: 42px; }
}