:root {
  --ink: #11161c;
  --ink-2: #28323b;
  --muted: #65727d;
  --paper: #f4f0e8;
  --cream: #fffaf1;
  --white: #ffffff;
  --teal: #10a79d;
  --teal-deep: #075f64;
  --coral: #d75f4b;
  --amber: #d39528;
  --sage: #dfe9df;
  --line: rgba(17, 22, 28, 0.13);
  --dark-line: rgba(255, 255, 255, 0.14);
  --shadow: 0 26px 70px rgba(17, 22, 28, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body::selection {
  color: var(--white);
  background: var(--teal-deep);
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4.5vw, 64px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 250, 241, 0.9);
  border-bottom: 1px solid rgba(17, 22, 28, 0.08);
  box-shadow: 0 14px 38px rgba(17, 22, 28, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-weight: 900;
}

.brand span {
  transform: translateY(-1px);
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 38px);
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-links a,
.contact-links a,
.research-item a,
.panel-links a,
.site-footer a {
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
}

.nav-links a:hover,
.contact-links a:hover,
.research-item a:hover,
.panel-links a:hover,
.site-footer a:hover {
  text-decoration-line: underline;
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
}

.header-action {
  border: 1px solid currentColor;
}

.hero {
  position: relative;
  min-height: 96vh;
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: #070b10;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  z-index: -2;
  background:
    radial-gradient(circle at 70% 38%, rgba(16, 167, 157, 0.16), transparent 30%),
    linear-gradient(90deg, rgba(7, 11, 16, 0.96) 0%, rgba(7, 11, 16, 0.84) 43%, rgba(7, 11, 16, 0.32) 100%),
    linear-gradient(0deg, rgba(7, 11, 16, 0.96) 0%, rgba(7, 11, 16, 0) 50%);
}

.hero-shell {
  min-height: 96vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: clamp(32px, 6vw, 92px);
  align-items: end;
  padding: 132px clamp(20px, 7vw, 98px) 68px;
}

.hero-copy {
  max-width: 850px;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--teal);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #7ae2d7;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(4.4rem, 12vw, 10.5rem);
  line-height: 0.84;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.1rem, 5.4vw, 5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.12rem;
  line-height: 1.22;
}

.hero-lede {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.08rem, 2.4vw, 1.42rem);
}

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

.button.primary {
  color: #061014;
  background: #78ded2;
}

.button.ghost {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.44);
  background: rgba(255, 255, 255, 0.05);
}

.hero-panel {
  position: relative;
  padding: 26px;
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  background: rgba(9, 16, 22, 0.62);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(14px);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 14px auto auto 14px;
  width: 54px;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--amber));
}

.panel-label,
.proof-strip span,
.case-meta span,
.research-body span,
.experience-grid span {
  display: block;
  color: var(--teal);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-panel .panel-label {
  margin-top: 18px;
  color: #7ae2d7;
}

.hero-panel strong {
  display: block;
  margin: 22px 0 12px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.94;
}

.hero-panel p {
  color: rgba(255, 255, 255, 0.74);
}

.panel-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9rem;
  font-weight: 800;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px clamp(20px, 7vw, 98px);
  background: var(--ink);
}

.proof-strip div {
  min-height: 142px;
  padding: clamp(22px, 3vw, 34px);
  background: #172027;
}

.proof-strip strong {
  display: block;
  max-width: 360px;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.05rem, 1.9vw, 1.38rem);
  line-height: 1.22;
}

.section-pad {
  padding: clamp(76px, 11vw, 142px) clamp(20px, 7vw, 98px);
}

.section-intro {
  max-width: 1000px;
  margin-bottom: clamp(36px, 6vw, 72px);
}

.section-intro.split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: end;
}

.section-intro.split > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.signature {
  background:
    linear-gradient(180deg, rgba(255, 250, 241, 0), rgba(255, 250, 241, 0.86)),
    var(--paper);
}

.signature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.signature-card {
  position: relative;
  min-height: 360px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 241, 0.72);
  overflow: hidden;
}

.signature-card::after {
  content: "";
  position: absolute;
  right: -38px;
  bottom: -38px;
  width: 150px;
  height: 150px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.18;
}

.signature-card.featured {
  color: var(--white);
  background: linear-gradient(145deg, #083c42, #0f6d70 58%, #c27623);
  box-shadow: var(--shadow);
}

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

.card-number {
  display: block;
  margin-bottom: 96px;
  color: var(--teal-deep);
  font-weight: 900;
}

.signature-card h3 {
  font-size: clamp(1.8rem, 3.4vw, 3.2rem);
  line-height: 0.98;
}

.signature-card p,
.case-study p,
.research-body p,
.experience-grid p,
.toolkit-grid p,
.leadership-copy p {
  color: var(--muted);
}

.projects {
  color: var(--white);
  background: #111820;
}

.projects .eyebrow {
  color: #7ae2d7;
}

.projects .section-intro.split > p {
  color: rgba(255, 255, 255, 0.66);
}

.case-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}

.case-study {
  min-height: 300px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.case-study.large {
  grid-row: span 2;
  min-height: 620px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, rgba(17, 24, 32, 0.1), rgba(17, 24, 32, 0.94)),
    linear-gradient(135deg, rgba(16, 167, 157, 0.5), rgba(215, 95, 75, 0.22)),
    #172027;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.case-meta span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.06);
}

.case-study h3 {
  max-width: 780px;
  color: var(--white);
  font-size: clamp(1.5rem, 3.5vw, 3.4rem);
  line-height: 1;
}

.case-study:not(.large) h3 {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
}

.case-study p {
  color: rgba(255, 255, 255, 0.68);
}

.case-outcome {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: #92e6dc;
  font-weight: 800;
}

.research {
  background: var(--cream);
}

.research-list {
  border-top: 1px solid var(--line);
}

.research-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 120px;
  gap: clamp(22px, 4vw, 56px);
  align-items: start;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.research-year {
  color: var(--coral);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 2.2rem;
  line-height: 0.9;
}

.research-body span,
.experience-grid span {
  margin-bottom: 10px;
}

.research-body h3 {
  max-width: 900px;
  font-size: clamp(1.24rem, 2.2vw, 2rem);
}

.research-item a {
  color: var(--teal-deep);
  font-weight: 900;
}

.experience {
  background: var(--paper);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.experience-grid article {
  min-height: 270px;
  padding: 26px;
  background: #fbf6ec;
}

.toolkit {
  background: var(--sage);
}

.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.toolkit-grid div {
  min-height: 230px;
  padding: 26px;
  border: 1px solid rgba(17, 22, 28, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.48);
}

.leadership {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(34px, 7vw, 96px);
  background: var(--cream);
}

.leadership-copy {
  padding-left: clamp(20px, 4vw, 46px);
  border-left: 4px solid var(--coral);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.65fr);
  gap: clamp(34px, 7vw, 96px);
  padding: clamp(82px, 11vw, 148px) clamp(20px, 7vw, 98px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(16, 167, 157, 0.28), transparent 34%),
    linear-gradient(315deg, rgba(211, 149, 40, 0.22), transparent 32%),
    #0d1319;
}

.contact .eyebrow {
  color: #7ae2d7;
}

.contact-links {
  display: grid;
  gap: 14px;
  align-content: start;
}

.contact-links a {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
  word-break: break-word;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 7vw, 98px);
  color: rgba(255, 255, 255, 0.68);
  background: #080c10;
}

@media (max-width: 1060px) {
  .hero-shell,
  .section-intro.split,
  .case-grid,
  .leadership,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 620px;
  }

  .proof-strip,
  .signature-grid,
  .experience-grid,
  .toolkit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-study.large {
    grid-row: auto;
    min-height: 460px;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: auto auto;
    padding: 14px 18px;
  }

  .nav-links {
    display: none;
  }

  .header-action {
    min-height: 40px;
    padding: 0 14px;
    font-size: 0.88rem;
  }

  .hero,
  .hero-shell {
    min-height: 92vh;
  }

  .hero-shell {
    padding: 108px 20px 46px;
  }

  h1 {
    font-size: clamp(3.7rem, 18vw, 5.6rem);
  }

  h2 {
    font-size: clamp(2.25rem, 11vw, 3.6rem);
  }

  .proof-strip,
  .signature-grid,
  .experience-grid,
  .toolkit-grid {
    grid-template-columns: 1fr;
  }

  .signature-card {
    min-height: 290px;
  }

  .card-number {
    margin-bottom: 58px;
  }

  .research-item {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .leadership-copy {
    padding-left: 20px;
  }

  .site-footer {
    flex-direction: column;
  }
}