:root {
  --bg: #f3efe8;
  --paper: #faf7f2;
  --ink: #1c1917;
  --muted: #5c564e;
  --line: #d9d2c8;
  --teal: #037478;
  --teal-dark: #025c5f;
  --max: 1080px;
  --nav: 76px;
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
h1, h2, h3, p, figure { margin: 0; }
figure img { width: 100%; height: 100%; object-fit: cover; }

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 80;
  padding: 8px 12px;
  background: var(--teal);
  color: white;
}
.skip:focus { top: 16px; }

.wrap {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--nav);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  color: #fff;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.site-nav .brand,
.site-nav .nav-links a {
  color: #fff;
}
.site-nav .nav-cta {
  color: #fff !important;
}
.site-nav .nav-toggle {
  border-color: rgba(255, 255, 255, 0.4);
}
.site-nav .nav-toggle span { background: #fff; }
.site-nav.is-scrolled {
  background: var(--bg);
  color: var(--ink);
  border-bottom-color: var(--line);
}
.site-nav.is-scrolled .brand,
.site-nav.is-scrolled .nav-links a {
  color: var(--muted);
}
.site-nav.is-scrolled .brand { color: var(--ink); }
.site-nav.is-scrolled .nav-cta { color: var(--teal) !important; }
.site-nav.is-scrolled .nav-toggle { border-color: var(--line); }
.site-nav.is-scrolled .nav-toggle span { background: var(--ink); }
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
}
.brand img { width: 36px; height: 22px; object-fit: contain; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-size: 16px;
}
.nav-cta { font-weight: 600; }
.nav-links a:hover { color: #fff; }
.site-nav.is-scrolled .nav-links a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  padding: 10px 9px;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  margin: 6px 0;
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 60%;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 16, 14, 0.72) 0%, rgba(18, 16, 14, 0.28) 52%, rgba(18, 16, 14, 0.18) 100%),
    linear-gradient(180deg, rgba(18, 16, 14, 0.35) 0%, rgba(18, 16, 14, 0.12) 40%, rgba(18, 16, 14, 0.55) 100%);
}
.hero-copy {
  position: relative;
  z-index: 2;
  padding-top: 12vh;
  padding-bottom: 10vh;
}
.intro-kicker {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e8efe8;
  margin-bottom: 14px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.08;
  max-width: 14ch;
  color: #fff;
}
.hero-sub {
  max-width: 34rem;
  margin: 18px 0 28px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.12rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn-ghost {
  background: transparent;
  color: #fff;
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.75);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); }

.btn {
  display: inline-flex;
  align-items: center;
  height: 46px;
  padding: 0 20px;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  border: 0;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: var(--teal-dark); }

.section { padding: 88px 0; }
#work, #methodology, #fields, #team, #contact { scroll-margin-top: 88px; }
.section h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.2;
  max-width: 18ch;
  margin-bottom: 18px;
}
.section p { color: var(--muted); }
.section p + p { margin-top: 14px; }
.lede { max-width: 40rem; margin-bottom: 36px; }

.method { background: var(--paper); }
.method h2 { max-width: 22ch; }
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 40px 0 56px;
  border: 1px solid var(--line);
}
.compare article { padding: 28px 32px; }
.compare article:first-child { border-right: 1px solid var(--line); background: #f3efe8; }
.compare-us { background: #fff; }
.compare-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 8px;
}
.compare h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 16px;
}
.compare ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 16px;
}
.compare li + li { margin-top: 10px; }

.how-heading {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 24px;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
}
.steps span {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--teal-dark);
  font-weight: 600;
}
.steps h4 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 6px;
}
.steps p { font-size: 16px; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split figure {
  height: 360px;
  overflow: hidden;
}

.fields { }
.field-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-top: 36px;
}
.field img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  margin-bottom: 18px;
}
.field h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  margin-bottom: 8px;
}
.field p { font-size: 16px; }

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.member {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  align-items: start;
}
.member[hidden] { display: none !important; }
.member img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  object-position: 50% 18%;
  border-radius: 50%;
}
.member img.photo-center { object-position: 50% 50%; }
.member-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
}
.member img.photo-zoom {
  transform: scale(1.22);
}
.member h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
}
.member .role {
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 600;
  margin: 4px 0 6px;
}
.member p { font-size: 15px; }

.mail {
  display: inline-block;
  margin-top: 18px;
  color: var(--teal-dark);
  font-weight: 600;
  text-decoration: none;
}
.mail:hover { text-decoration: underline; }

.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  background: var(--paper);
  padding: 24px;
  border: 1px solid var(--line);
}
.form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
}
.form .full { grid-column: 1 / -1; }
.form input,
.form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px 12px;
  border-radius: 2px;
}
.form textarea { min-height: 130px; resize: vertical; }
.form input:focus,
.form textarea:focus { outline: 2px solid var(--teal); outline-offset: 1px; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 32px;
  font-size: 14px;
  color: var(--muted);
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.foot-brand img { width: 28px; height: 17px; object-fit: contain; }
.foot-brand b { color: var(--ink); font-weight: 600; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 880px) {
  .split, .field-grid, .team-grid, .form, .compare { grid-template-columns: 1fr; }
  .form .full { grid-column: 1; }
  .split figure { height: 280px; }
  .compare article:first-child { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 18px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a,
  .site-nav .nav-links a { color: var(--muted); }
  .site-nav .nav-cta { color: var(--teal) !important; }
  .nav-links a { padding: 10px 0; }
  .wrap { width: min(var(--max), calc(100% - 32px)); }
  .section { padding: 64px 0; }
  .hero h1 { max-width: none; }
}