:root {
  --ink: #081a34;
  --navy: #0a2540;
  --blue: #16466d;
  --teal: #0f766e;
  --brass: #b88746;
  --paper: #ffffff;
  --mist: #f4f7fa;
  --line: #d9e1ea;
  --muted: #5f6f82;
  --shadow: 0 18px 44px rgba(8, 26, 52, 0.14);
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

img,
svg {
  display: block;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  padding: 10px 14px;
  box-shadow: var(--shadow);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: var(--header-height);
  border-bottom: 1px solid rgba(217, 225, 234, 0.72);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.header-shell {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(184, 135, 70, 0.52);
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.78rem;
}

.brand-name {
  font-size: 0.98rem;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  border-radius: 6px;
  color: #253a55;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 12px;
  transition: background 160ms ease, color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  background: #edf4f8;
  color: var(--navy);
  outline: none;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  place-items: center;
}

.menu-button span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 3px auto;
  border-radius: 2px;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height) - 44px);
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--paper);
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("assets/hero-strategy-workspace.png");
  background-position: center;
  background-size: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(5, 19, 39, 0.92) 0%, rgba(5, 19, 39, 0.74) 42%, rgba(5, 19, 39, 0.22) 100%),
    linear-gradient(180deg, rgba(5, 19, 39, 0.12) 0%, rgba(5, 19, 39, 0.68) 100%);
}

.hero-shell {
  padding: 76px 0 86px;
}

.eyebrow,
.section-kicker,
.case-label {
  margin: 0 0 14px;
  color: var(--brass);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: 5.1rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button-primary {
  background: var(--paper);
  color: var(--ink);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #f1f5f9;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--paper);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.1);
}

.button-icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.section {
  padding: 90px 0;
}

.intro-band {
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
  gap: 48px;
  align-items: center;
}

.intro-grid h2,
.section h2 {
  margin: 0;
  font-size: 2.5rem;
  line-height: 1.08;
  letter-spacing: 0;
}

.intro-points {
  display: grid;
  gap: 10px;
}

.intro-points p {
  margin: 0;
  border-left: 3px solid var(--teal);
  padding: 4px 0 4px 14px;
  color: #273c56;
  font-weight: 700;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1fr);
  gap: 72px;
  align-items: start;
}

.prose p {
  margin: 0 0 18px;
  color: #31445e;
  font-size: 1.04rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.section-muted {
  background: var(--mist);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.card-grid {
  display: grid;
  gap: 16px;
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card,
.case-card,
.contact-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.service-card {
  min-height: 246px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.card-number {
  color: var(--teal);
  font-weight: 900;
}

.service-card h3,
.case-card h3 {
  margin: 18px 0 10px;
  color: var(--navy);
  font-size: 1.18rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.service-card p,
.case-card p,
.contact-panel p {
  margin: 0;
  color: var(--muted);
}

.case-list {
  display: grid;
  gap: 14px;
}

.case-card {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
  padding: 26px;
}

.case-card h3 {
  margin-top: 0;
}

.case-label {
  color: var(--teal);
}

.contact-section {
  background: var(--ink);
  color: var(--paper);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(380px, 0.86fr);
  gap: 58px;
  align-items: center;
}

.contact-section h2 {
  color: var(--paper);
}

.contact-panel {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  padding: 30px;
}

.contact-panel p {
  color: rgba(255, 255, 255, 0.76);
}

.email-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--paper);
  font-size: 1.22rem;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--brass);
  text-underline-offset: 5px;
}

.site-footer {
  border-top: 1px solid rgba(217, 225, 234, 0.64);
  background: var(--paper);
  color: #445871;
}

.footer-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-shell p {
  margin: 0;
}

.footer-shell a {
  font-weight: 800;
}

@media (max-width: 920px) {
  :root {
    --header-height: 66px;
  }

  .shell {
    width: min(100% - 32px, 760px);
  }

  .menu-button {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
    padding: 8px;
    box-shadow: var(--shadow);
  }

  .site-header.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .hero {
    min-height: calc(100svh - var(--header-height) - 32px);
  }

  .hero-shell {
    padding: 58px 0 70px;
  }

  .hero h1 {
    font-size: 4rem;
    line-height: 1;
  }

  .hero-copy {
    font-size: 1.06rem;
  }

  .intro-grid,
  .two-column,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .brand-name {
    max-width: 210px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero {
    min-height: calc(100svh - var(--header-height) - 28px);
  }

  .hero::after {
    background:
      linear-gradient(90deg, rgba(5, 19, 39, 0.93) 0%, rgba(5, 19, 39, 0.84) 100%),
      linear-gradient(180deg, rgba(5, 19, 39, 0.2) 0%, rgba(5, 19, 39, 0.64) 100%);
  }

  .hero h1 {
    font-size: 3.1rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    padding-inline: 14px;
  }

  .section {
    padding: 68px 0;
  }

  .intro-band {
    padding: 30px 0;
  }

  .intro-grid h2,
  .section h2 {
    font-size: 2.05rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .contact-panel {
    padding: 24px;
  }

  .email-link {
    font-size: 1.04rem;
    word-break: break-word;
  }

  .footer-shell {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 18px 0;
  }
}