:root {
  --white: #ffffff;
  --offwhite: #f3f4f6;
  --ink: #14171c;
  --ink-soft: #4b5259;
  --navy: #16233f;
  --navy-deep: #0d1526;
  --slate: #6b7280;
  --line: #dfe2e7;
  --line-strong: #c7cbd3;
  --accent: #3454d1;
  --accent-dark: #253c9c;

  --serif: "Fraunces", Georgia, serif;
  --sans: "Work Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

a { color: inherit; }
img, svg { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.01em;
  color: var(--navy);
}

.brand span { color: var(--accent); }

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  text-decoration: none;
  font-size: 15px;
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.main-nav a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
  margin: 4px auto;
}

/* ---------- Hero ---------- */

.hero {
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.hero.compact { padding: 64px 0 56px; }

.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero.compact .wrap { grid-template-columns: 1fr; }

.hero-kicker {
  font-size: 15px;
  color: var(--accent-dark);
  margin: 0 0 18px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 24px;
  max-width: 16ch;
  color: var(--navy);
}

.hero p {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 48ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 4px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
}

.btn-primary:hover { background: var(--navy-deep); }

.btn-accent {
  background: var(--accent);
  color: var(--white);
}

.btn-accent:hover { background: var(--accent-dark); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn-secondary:hover { border-color: var(--ink); }

.hero-mark { width: 100%; height: auto; }

/* ---------- Section shell ---------- */

section { padding: 84px 0; }
section.tight { padding: 56px 0; }
section.on-offwhite { background: var(--offwhite); }

.section-head { max-width: 62ch; margin-bottom: 48px; }

.section-head h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(28px, 3.4vw, 38px);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
  color: var(--navy);
}

.section-head p { color: var(--ink-soft); font-size: 17px; margin: 0; }

/* ---------- Services list (shared: home teaser + services page) ---------- */

.service-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.service-row:last-child { border-bottom: 1px solid var(--line); }

.service-name {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}

.service-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--accent-dark);
  margin-top: 8px;
}

.service-body p { margin: 0 0 14px; color: var(--ink-soft); max-width: 62ch; }
.service-body p:last-child { margin-bottom: 0; }

.service-teasers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-teaser {
  background: var(--white);
  padding: 32px;
}

.service-teaser h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--navy);
}

.service-teaser p { color: var(--ink-soft); margin: 0; font-size: 15.5px; }

/* ---------- Approach / process ---------- */

.approach-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.approach-list li {
  counter-increment: step;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}

.approach-list li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--accent-dark);
  margin-bottom: 14px;
}

.approach-list h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--navy);
}

.approach-list p { color: var(--ink-soft); margin: 0; font-size: 15.5px; }

/* ---------- About page ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.about-card {
  background: var(--navy);
  color: var(--white);
  padding: 36px;
  border-radius: 4px;
}

.about-card .initials {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 20px;
}

.about-card h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  margin: 0 0 4px;
}

.about-card .role {
  font-size: 14px;
  color: #b7c0d6;
  margin: 0 0 20px;
}

.about-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-card li {
  font-size: 14px;
  color: #dbe0ec;
  padding-left: 16px;
  position: relative;
}

.about-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.about-copy p { color: var(--ink-soft); margin: 0 0 18px; }
.about-copy p:last-child { margin-bottom: 0; }

.about-copy h3 {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--navy);
  margin: 28px 0 12px;
}

.about-copy h3:first-child { margin-top: 0; }

/* ---------- Contact page ---------- */

.contact-panels {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.contact-panel {
  background: var(--white);
  padding: 40px;
}

.contact-panel.dark {
  background: var(--navy);
  color: var(--white);
}

.contact-panel h2 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 10px;
}

.contact-panel.dark h2 { color: var(--white); }
.contact-panel:not(.dark) h2 { color: var(--navy); }

.contact-panel > p { color: var(--ink-soft); margin: 0 0 28px; max-width: 46ch; }
.contact-panel.dark > p { color: #b7c0d6; }

.contact-form { display: grid; gap: 14px; }

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  font-family: var(--sans);
  font-size: 15px;
  padding: 12px 14px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  background: var(--white);
  color: var(--ink);
}

.contact-form textarea { min-height: 110px; resize: vertical; }

.contact-form label {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: -8px;
}

.contact-form button { justify-self: start; }

.contact-details { display: flex; flex-direction: column; gap: 22px; }

.contact-details a {
  text-decoration: none;
  font-size: 16px;
  color: var(--white);
}

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

.contact-details .label {
  display: block;
  font-size: 13px;
  color: #a3adc4;
  margin-bottom: 4px;
}

.contact-details .item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-details .icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--slate);
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer nav { display: flex; gap: 20px; }
.site-footer nav a { text-decoration: none; color: var(--slate); }
.site-footer nav a:hover { color: var(--ink); }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 32px 16px;
    display: none;
  }

  .main-nav.open { display: flex; }

  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }

  .nav-toggle { display: block; }

  .hero .wrap,
  .about-grid,
  .contact-panels {
    grid-template-columns: 1fr;
  }

  .contact-panels { background: var(--line); }

  .hero-mark { max-width: 240px; }

  .service-row { grid-template-columns: 1fr; gap: 14px; }

  .service-teasers { grid-template-columns: 1fr; }

  .approach-list { grid-template-columns: 1fr; }
}

/* focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}