:root {
  --ink: #0d1b2a;
  --ink-soft: #334155;
  --paper: #f7f8fa;
  --white: #ffffff;
  --line: #d9e0e7;
  --accent: #2f6f8f;
  --accent-dark: #24566f;
  --soft: #eef3f6;
  --max: 1160px;
}

* { 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", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 1000;
  background: var(--white);
  color: var(--ink);
  padding: .75rem 1rem;
  border-radius: .5rem;
  box-shadow: 0 8px 30px rgb(13 27 42 / 18%);
}
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 2.5rem), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgb(247 248 250 / 92%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgb(217 224 231 / 80%);
}
.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: -.02em;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--white);
  border-radius: 10px;
  font-size: .82rem;
  letter-spacing: .05em;
}
.nav { display: flex; gap: 1.6rem; }
.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 650;
}
.nav a:hover, .nav a:focus-visible { color: var(--accent-dark); }

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .7fr);
  gap: clamp(2.5rem, 6vw, 6.5rem);
  align-items: center;
  padding-block: clamp(5rem, 10vw, 8rem);
}
.eyebrow, .section-kicker, .project-label {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .14em;
}
.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3rem, 6.8vw, 6.1rem);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 800;
}
.hero-lede {
  max-width: 720px;
  margin: 2rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.65;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .7rem 1.1rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 760;
  font-size: .94rem;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.button:hover { transform: translateY(-1px); }
.button:focus-visible { outline: 3px solid rgb(47 111 143 / 35%); outline-offset: 3px; }
.button-primary { background: var(--ink); color: var(--white); border: 1px solid var(--ink); }
.button-primary:hover { background: #17283a; }
.button-secondary { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.button-secondary:hover { border-color: #aab8c5; background: var(--white); }
.hero-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  padding: 1.35rem;
  box-shadow: 0 28px 70px rgb(13 27 42 / 8%);
}
.signal-line {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  padding: 1.05rem .35rem;
  border-bottom: 1px solid var(--line);
}
.signal-line span { color: var(--accent); font: 750 .78rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.signal-line strong { font-size: 1.05rem; }
.hero-panel p { margin: 1.2rem .35rem .3rem; color: var(--ink-soft); font-size: .94rem; }

.section { padding-block: clamp(5rem, 9vw, 8rem); }
.section-soft { background: var(--soft); border-block: 1px solid #e1e7ec; }
.split { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(3rem, 8vw, 8rem); }
h2 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(2.15rem, 4.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.045em;
}
.prose { color: var(--ink-soft); font-size: 1.1rem; }
.prose p { margin: 0 0 1.25rem; }
.section-heading { margin-bottom: 2.4rem; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card {
  min-height: 310px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
}
.card-number { color: var(--accent); font: 760 .8rem/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.card h3 { margin: auto 0 .7rem; font-size: 1.55rem; letter-spacing: -.03em; }
.card p { margin: 0; color: var(--ink-soft); }

.section-dark { background: var(--ink); color: var(--white); }
.light-heading .section-kicker { color: #94c6dc; }
.project-card {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: clamp(2rem, 7vw, 6rem);
  padding: clamp(2rem, 5vw, 4.2rem);
  background: #12263a;
  border: 1px solid #284159;
  border-radius: 20px;
}
.project-label { color: #94c6dc; }
.project-copy h3 {
  margin: 0 0 1.3rem;
  max-width: 680px;
  font-size: clamp(1.9rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -.045em;
}
.project-copy p:last-child { margin: 0; color: #c5d0da; max-width: 700px; }
.project-action { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; }
.button-light { background: var(--white); color: var(--ink); border: 1px solid var(--white); }
.button-light:hover { background: #eaf0f4; }
.project-action p { margin: .9rem 0 0; color: #96a8b9; font-size: .85rem; }

.principles { border-top: 1px solid var(--line); }
.principles > div {
  display: grid;
  grid-template-columns: minmax(160px, .35fr) 1fr;
  gap: 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
.principles strong { font-size: 1.05rem; }
.principles span { color: var(--ink-soft); }

.site-footer { background: #08131f; color: var(--white); padding: 3.5rem 0; }
.footer-wrap { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.site-footer strong { font-size: 1.05rem; }
.site-footer p { color: #a8b6c3; max-width: 620px; margin: .55rem 0 0; font-size: .92rem; }
.footer-links { display: flex; gap: 1rem; }
.footer-links a { color: #dce5ec; text-underline-offset: 3px; }
.copyright { grid-column: 1 / -1; padding-top: 2rem; border-top: 1px solid #213244; }

.privacy-main { min-height: 70vh; padding-block: 5rem 7rem; }
.privacy-main h1 { margin: 0 0 1rem; font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1; letter-spacing: -.055em; }
.privacy-main .lede { max-width: 760px; color: var(--ink-soft); font-size: 1.15rem; }
.privacy-content { max-width: 760px; margin-top: 3rem; }
.privacy-content h2 { font-size: 1.35rem; letter-spacing: -.02em; margin-top: 2rem; }
.privacy-content p { color: var(--ink-soft); }

@media (max-width: 860px) {
  .hero { min-height: auto; grid-template-columns: 1fr; padding-block: 5rem; }
  .hero-panel { max-width: 560px; }
  .split, .project-card { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .card { min-height: 230px; }
  .project-action { margin-top: .5rem; }
}

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 1.5rem), var(--max)); }
  .nav-wrap { min-height: 68px; }
  .brand > span:last-child { display: none; }
  .nav { gap: .85rem; }
  .nav a { font-size: .88rem; }
  .hero h1 { font-size: clamp(3rem, 14vw, 4.4rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .principles > div { grid-template-columns: 1fr; gap: .35rem; }
  .footer-wrap { grid-template-columns: 1fr; }
  .copyright { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}