/* ============================================================
   Field Shift — single-page site
   Design tokens first, components below.
   This is the only stylesheet; the site uses no JavaScript.
   ============================================================ */

:root {
  --ink: #10192e;
  --paper: #f4f6f9;
  --white: #ffffff;
  --muted: #5a6373;
  --line: #e1e5ec;
  --accent: #3f6fd8;
  --navy: #0b1222;
  --navy-ink: #e8ecf4;
  --navy-muted: #94a0b8;
  --navy-line: #243052;
  --accent-navy: #8fb0f2;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* Base */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font: 1rem/1.65 var(--font-sans);
  margin: 0;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  margin: 0;
}

h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

.container {
  max-width: 68rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

section[id] { scroll-margin-top: 5rem; }

/* Header — merged into the dark opening band */

.site-header {
  background: var(--navy);
  border-bottom: 1px solid var(--navy-line);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  row-gap: .75rem;
  padding-block: 1.25rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--navy-ink);
  text-decoration: none;
}

.mark {
  width: .6rem;
  height: .6rem;
  background: var(--accent);
  border-radius: 1px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.site-nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--navy-muted);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--navy-ink);
  text-decoration: underline;
  text-decoration-color: var(--accent-navy);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

/* Hero — dark space band, continuous with the header */

.hero {
  background-color: var(--navy);
  background-image:
    radial-gradient(50rem 30rem at 78% -12%, rgba(63, 111, 216, .16), transparent 65%),
    radial-gradient(circle 1px at 22% 30%, rgba(255, 255, 255, .45) 99%, transparent),
    radial-gradient(circle 1px at 68% 18%, rgba(255, 255, 255, .35) 99%, transparent),
    radial-gradient(circle 1.4px at 86% 64%, rgba(255, 255, 255, .4) 99%, transparent);
  color: var(--navy-ink);
  padding: 9rem 0 7rem;
}

.label {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent-navy);
  margin: 0 0 1.25rem;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2.6rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.hero .lead {
  color: var(--navy-muted);
  font-size: 1.15rem;
  max-width: 34rem;
  margin: 1.75rem 0 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.text-link { color: var(--accent-navy); }

.text-link:hover { color: var(--white); }

.btn {
  display: inline-block;
  background: var(--white);
  color: var(--navy);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: .95rem;
  line-height: 1.2;
  padding: .8rem 1.5rem;
  border-radius: 2px;
  text-decoration: none;
}

.btn:hover {
  background: var(--accent);
  color: #fff;
}

/* Content sections on cool light gray */

.section {
  border-top: 1px solid var(--line);
  padding: 5rem 0;
}

.sec-label {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin: 0 0 2.5rem;
}

.sec-label .num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--accent);
}

.sec-label .name {
  font-size: .85rem;
  font-variant: small-caps;
  letter-spacing: .08em;
  color: var(--muted);
}

#about .sec-label { margin-bottom: 1rem; }

.section h2 { margin-bottom: 2.5rem; }

.row {
  border-top: 1px solid var(--line);
  padding: 1.75rem 0;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
}

.row h3 { font-size: 1.35rem; }

.row p {
  color: var(--muted);
  max-width: 46ch;
  margin: 0;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}

.about-copy p { max-width: 58ch; }

.about-copy p + p { margin-top: 1.25rem; }

.facts dt {
  font-size: .85rem;
  font-variant: small-caps;
  letter-spacing: .08em;
  color: var(--muted);
  margin-top: 1.5rem;
}

.facts dt:first-of-type { margin-top: 0; }

.facts dd {
  margin: 0;
  font-size: 1.05rem;
}

/* Contact band */

.contact {
  border-top: 1px solid var(--line);
  padding: 7rem 0;
  text-align: center;
}

.contact p {
  color: var(--muted);
  margin: .75rem 0 2.5rem;
}

.email-lg {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 3vw, 2rem);
  color: var(--accent);
  text-underline-offset: 6px;
}

.contact .contact-alt {
  margin: 1.25rem 0 0;
  font-size: 1rem;
  color: var(--muted);
}

.contact-alt a { color: var(--accent); }

/* Footer — navy bookend */

.site-footer {
  background: var(--navy);
  color: var(--navy-ink);
  padding: 3.5rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}

.site-footer p { color: var(--navy-muted); }

.tagline { margin: .75rem 0 0; }

.footer-heading {
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--navy-muted);
  margin: 0 0 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  row-gap: .5rem;
}

.site-footer a {
  color: #cfd8ec;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer .wordmark { color: var(--navy-ink); }

.site-footer .wordmark:hover { text-decoration: none; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  border-top: 1px solid var(--navy-line);
  margin-top: 3rem;
  padding-top: 1.5rem;
  font-size: .9rem;
}

.footer-bottom p { margin: 0; }

/* Navy surfaces: softer focus color */

.site-header :focus-visible,
.hero :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--accent-navy);
}

/* Responsive — single breakpoint */

@media (max-width: 720px) {
  .hero { padding: 5.5rem 0 4.5rem; }
  .site-nav { gap: 1.25rem; }
  .row,
  .about-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .row { gap: .5rem; }
  .contact { padding: 5rem 0; }
}