:root {
  color-scheme: light;
  --ink: #111319;
  --muted: #5f6873;
  --quiet: #8a929b;
  --line: #e6e8ec;
  --surface: #ffffff;
  --surface-soft: #f7f8fa;
  --surface-warm: #f4f7f8;
  --cyan: #05aee7;
  --blue: #087ea4;
  --blue-deep: #053f58;
  --navy: #071733;
  --violet: #4e2b77;
  --violet-deep: #301b54;
  --brass: #b18a52;
  --shadow: 0 24px 70px rgba(17, 19, 25, 0.08);
  --max: 1180px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Arial, sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: 14px clamp(20px, 4vw, 58px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(230, 232, 236, 0.82);
  backdrop-filter: blur(18px);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 12px 35px rgba(17, 19, 25, 0.07);
  background: rgba(255, 255, 255, 0.94);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  width: clamp(190px, 22vw, 284px);
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #2d333b;
  font-size: 0.92rem;
  font-weight: 600;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 180ms ease;
}

.menu-button span + span {
  margin-top: 5px;
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: min(760px, calc(100svh - 38px));
  display: flex;
  align-items: center;
  padding: clamp(84px, 11vw, 132px) clamp(22px, 5vw, 74px);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.82) 34%, rgba(255, 255, 255, 0.18) 64%),
    url("assets/strategy-studio-hero.webp") center right / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  width: min(720px, 100%);
}

.eyebrow,
.section-kicker,
.label {
  margin: 0 0 14px;
  color: var(--blue-deep);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-logo-lockup {
  width: min(680px, 100%);
  height: auto;
  margin: 8px 0 0;
  filter: drop-shadow(0 16px 28px rgba(17, 19, 25, 0.06));
}

.hero-lede {
  max-width: 570px;
  margin: 28px 0 0;
  color: #303843;
  font-size: clamp(1.08rem, 2vw, 1.38rem);
  line-height: 1.55;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 750;
  line-height: 1;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-deep), var(--violet-deep));
  border: 1px solid var(--blue-deep);
  box-shadow: 0 14px 30px rgba(5, 63, 88, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: linear-gradient(135deg, var(--blue), var(--violet));
  border-color: var(--blue);
}

.button-secondary {
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(8, 126, 164, 0.32);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--blue);
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-band div {
  min-height: 118px;
  padding: 30px clamp(22px, 4vw, 56px);
  background: #fff;
}

.signal-band strong {
  display: block;
  margin-bottom: 8px;
  color: var(--blue-deep);
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1;
}

.signal-band span {
  display: block;
  max-width: 290px;
  color: var(--muted);
  font-size: 0.96rem;
}

.section {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding: clamp(76px, 10vw, 126px) 0;
}

.intro-section {
  max-width: 980px;
  text-align: center;
}

.intro-section h2,
.section-heading h2,
.advisory-copy h2,
.standard-inner h2,
.contact-copy h2 {
  margin: 0;
  color: var(--blue-deep);
  font-size: clamp(2.2rem, 5.2vw, 5.1rem);
  line-height: 0.98;
  font-weight: 760;
  letter-spacing: 0;
}

.intro-section h2,
.advisory-copy h2,
.standard-inner h2 {
  background: linear-gradient(108deg, var(--blue-deep), var(--cyan) 48%, var(--violet-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.intro-section p {
  max-width: 760px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.7vw, 1.25rem);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: clamp(26px, 6vw, 80px);
  align-items: end;
  margin-bottom: 34px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.work-grid {
  display: grid;
  grid-template-columns: 1.16fr 0.92fr 0.92fr;
  gap: 16px;
}

.work-card {
  min-height: 340px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 40px rgba(17, 19, 25, 0.045);
}

.work-card.featured-card {
  color: #fff;
  background:
    linear-gradient(142deg, rgba(5, 63, 88, 0.98), rgba(48, 27, 84, 0.96)),
    var(--navy);
}

.work-card h3 {
  margin: 0 0 18px;
  font-size: clamp(1.55rem, 2.3vw, 2.45rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.work-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.featured-card p {
  color: rgba(255, 255, 255, 0.78);
}

.featured-card .label {
  color: #9fe2ff;
}

.work-card a {
  display: inline-flex;
  margin-top: 28px;
  color: #fff;
  font-weight: 800;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.advisory-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(30px, 7vw, 96px);
  align-items: start;
  border-top: 1px solid var(--line);
}

.advisory-copy {
  position: sticky;
  top: 110px;
}

.advisory-copy p {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.principles div,
.process-list li {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.principles span,
.process-list span {
  display: block;
  margin-bottom: 30px;
  color: var(--violet);
  font-size: 0.86rem;
  font-weight: 850;
}

.principles h3,
.process-list h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  line-height: 1.15;
}

.principles p,
.process-list p {
  margin: 0;
  color: var(--muted);
}

.standard-section {
  width: 100%;
  max-width: none;
  padding: clamp(78px, 10vw, 128px) clamp(22px, 5vw, 74px);
  background: var(--surface-warm);
  border-block: 1px solid #dbe8ee;
}

.standard-inner {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: clamp(22px, 5vw, 70px);
  align-items: start;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.standard-mark {
  width: 96px;
  height: auto;
}

.standard-inner p {
  grid-column: 2;
  max-width: 720px;
  margin: 0;
  color: #3f4a54;
  font-size: 1.1rem;
}

.process-section {
  border-bottom: 1px solid var(--line);
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-list li {
  min-height: 260px;
  background: #fff;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 760px) auto;
  gap: 28px;
  align-items: center;
  width: min(var(--max), calc(100% - 44px));
  margin: clamp(72px, 10vw, 112px) auto;
  padding: clamp(34px, 6vw, 62px);
  color: #fff;
  background:
    linear-gradient(135deg, rgba(5, 63, 88, 0.98), rgba(48, 27, 84, 0.96)),
    var(--navy);
  border-radius: 8px;
}

.contact-section .section-kicker {
  color: #9fe2ff;
}

.contact-copy h2 {
  color: #fff;
  font-size: clamp(2.1rem, 4.7vw, 4.6rem);
}

.contact-copy p {
  max-width: 620px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.07rem;
}

.contact-section .button-primary {
  white-space: nowrap;
  background: #fff;
  border-color: #fff;
  color: var(--blue-deep);
  box-shadow: none;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  padding: 34px clamp(22px, 5vw, 74px);
  border-top: 1px solid var(--line);
  color: var(--quiet);
}

.site-footer img {
  width: 220px;
  height: auto;
}

.site-footer p {
  margin: 0;
  text-align: right;
  font-size: 0.9rem;
}

.site-footer p + p {
  margin-top: 6px;
}

.site-footer a {
  color: var(--blue-deep);
  font-weight: 650;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}

@media (max-width: 1020px) {
  .work-grid,
  .advisory-section,
  .standard-inner,
  .process-list,
  .contact-section {
    grid-template-columns: 1fr 1fr;
  }

  .work-card.featured-card,
  .standard-inner > div,
  .contact-copy {
    grid-column: 1 / -1;
  }

  .advisory-copy {
    position: static;
  }

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

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

@media (max-width: 760px) {
  :root {
    --header-height: 70px;
  }

  .site-header {
    padding: 12px 18px;
  }

  .brand-logo {
    width: min(220px, 66vw);
  }

  .menu-button {
    display: grid;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 12px auto 12px;
    display: grid;
    gap: 2px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 14px 12px;
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    min-height: calc(100svh - 16px);
    align-items: end;
    padding: 92px 22px 52px;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.66) 0%, rgba(255, 255, 255, 0.96) 48%, #fff 100%),
      url("assets/strategy-studio-hero.webp") center top / auto 52% no-repeat;
  }

  .hero-logo-lockup {
    width: min(100%, 520px);
    margin-top: 4px;
  }

  .hero-lede {
    font-size: 1.05rem;
  }

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

  .signal-band,
  .section-heading,
  .work-grid,
  .advisory-section,
  .principles,
  .standard-inner,
  .process-list,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .signal-band div {
    min-height: auto;
    padding: 24px 22px;
  }

  .section {
    width: min(100% - 36px, var(--max));
    padding: 72px 0;
  }

  .intro-section {
    text-align: left;
  }

  .intro-section h2,
  .section-heading h2,
  .advisory-copy h2,
  .standard-inner h2,
  .contact-copy h2 {
    font-size: clamp(2.15rem, 11vw, 3.8rem);
    line-height: 1.02;
  }

  .work-card,
  .principles div,
  .process-list li {
    min-height: auto;
  }

  .standard-section {
    padding-inline: 22px;
  }

  .standard-mark {
    width: 74px;
  }

  .standard-inner p {
    grid-column: auto;
    max-width: none;
  }

  .contact-section {
    width: calc(100% - 36px);
    margin-block: 68px;
    padding: 30px 22px;
  }

  .contact-section .button-primary {
    white-space: normal;
  }

  .site-footer {
    display: grid;
    justify-items: start;
  }

  .site-footer p {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}