:root {
  --navy-950: #081f2e;
  --navy-900: #0f2e43;
  --navy-800: #173f58;
  --teal-600: #31586c;
  --teal-300: #a7c2ce;
  --gold-500: #f6bd54;
  --ink: #24303c;
  --slate: #5d6873;
  --mist: #edf2f2;
  --paper: #f7f9f8;
  --white: #ffffff;
  --border: rgba(31, 58, 95, 0.16);
  --shadow: 0 28px 70px rgba(13, 29, 48, 0.14);
  --max-width: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Sora", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

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

.container { width: min(calc(100% - 3rem), var(--max-width)); margin-inline: auto; }
.section { padding: clamp(5rem, 10vw, 8.5rem) 0; }

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

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 200;
  transform: translateY(-200%);
  background: var(--white);
  padding: 0.75rem 1rem;
  border-radius: 0.25rem;
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--white);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.scrolled {
  background: rgba(13, 29, 48, 0.94);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(14px);
}

.nav-wrap { min-height: 5.25rem; display: flex; align-items: center; justify-content: space-between; }

.brand { display: inline-flex; align-items: center; gap: 0.8rem; text-decoration: none; font-weight: 600; }
.brand-mark {
  width: 2.4rem;
  height: 2.4rem;
  aspect-ratio: 1;
  object-fit: contain;
}
.brand-name { font-size: 0.92rem; letter-spacing: 0.03em; }

.site-nav { display: flex; align-items: center; gap: 2.2rem; }
.site-nav a { color: rgba(255,255,255,0.78); font-size: 0.82rem; font-weight: 500; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.menu-toggle { display: none; }

.hero {
  min-height: 100vh;
  padding: 9.5rem 0 0;
  color: var(--white);
  background:
    radial-gradient(circle at 18% 15%, rgba(70,127,122,0.28), transparent 32rem),
    linear-gradient(145deg, var(--navy-950), var(--navy-800));
  overflow: hidden;
}

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(25rem, 0.98fr); gap: 5rem; align-items: center; }
.hero-copy { padding: 2rem 0 4.5rem; position: relative; z-index: 2; }
.eyebrow, .section-kicker {
  margin: 0 0 1.25rem;
  color: var(--teal-600);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}
.hero .eyebrow { color: var(--teal-300); }

h1, h2, h3, p { margin-top: 0; }
h1, h2, blockquote { text-wrap: balance; }
h1 {
  max-width: 12ch;
  margin-bottom: 1.75rem;
  font-size: clamp(3rem, 6.6vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
h1 em { color: var(--gold-500); font-family: "Libre Baskerville", Georgia, serif; font-weight: 400; }

.hero-lead { max-width: 43rem; color: rgba(255,255,255,0.76); font-size: clamp(1rem, 1.4vw, 1.14rem); line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.25rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 3.3rem; padding: 0.8rem 1.3rem; text-decoration: none; font-size: 0.82rem; font-weight: 700; }
.button-primary { color: var(--navy-950); background: var(--white); }
.button-primary:hover, .button-primary:focus-visible { background: var(--gold-500); }
.text-link { color: var(--white); font-size: 0.82rem; font-weight: 600; text-decoration: none; }
.text-link span { color: var(--gold-500); margin-left: 0.3rem; }
.event-note { display: flex; align-items: center; gap: 0.7rem; margin: 2.7rem 0 0; color: rgba(255,255,255,0.6); font-size: 0.75rem; }
.event-note > span { width: 1.8rem; height: 1px; background: var(--gold-500); }

.hero-visual {
  position: relative;
  min-height: 39rem;
  margin-right: calc((100vw - min(calc(100vw - 3rem), var(--max-width))) / -2);
  overflow: hidden;
  background: linear-gradient(145deg, rgba(70,127,122,0.5), rgba(13,29,48,0.1));
  box-shadow: var(--shadow);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 750ms ease, visibility 750ms ease;
}
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(8,31,46,0.82) 100%);
  pointer-events: none;
}
.hero-slide img { width: 100%; height: 39rem; object-fit: cover; }
.hero-slide:nth-child(1) img { object-position: 34% center; }
.hero-slide:nth-child(2) img { object-position: 62% center; }
.hero-slide:nth-child(3) img { object-position: 72% center; }
.hero-slide:nth-child(4) img { object-position: 28% center; }
.hero-slide figcaption {
  position: absolute;
  z-index: 2;
  right: 6.5rem;
  bottom: 2.1rem;
  left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  color: var(--white);
}
.hero-slide figcaption strong {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-slide figcaption span { color: rgba(255,255,255,0.72); font-size: 0.78rem; }
.slider-controls {
  position: absolute;
  z-index: 4;
  right: 1.5rem;
  bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.slider-controls > button {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  padding: 0;
  color: var(--white);
  background: rgba(8,31,46,0.58);
  border: 1px solid rgba(255,255,255,0.35);
  cursor: pointer;
}
.slider-controls > button:hover, .slider-controls > button:focus-visible { background: var(--gold-500); color: var(--navy-950); }
.slider-dots { display: flex; gap: 0.4rem; }
.slider-dots button {
  width: 0.48rem;
  height: 0.48rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
}
.slider-dots button.is-active { background: var(--gold-500); transform: scale(1.22); }

.hero-proof { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,0.16); }
.hero-proof > div { display: flex; align-items: baseline; gap: 0.9rem; min-height: 7.3rem; padding: 1.6rem 1.8rem; border-right: 1px solid rgba(255,255,255,0.16); }
.hero-proof > div:first-child { padding-left: 0; }
.hero-proof > div:last-child { border-right: 0; }
.hero-proof strong { color: var(--gold-500); font-family: "Libre Baskerville", Georgia, serif; font-size: 1.55rem; font-weight: 400; }
.hero-proof span { color: rgba(255,255,255,0.58); font-size: 0.71rem; line-height: 1.45; text-transform: uppercase; letter-spacing: 0.08em; }

.intro-grid { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: clamp(3rem, 8vw, 8rem); }
h2 { margin-bottom: 1.5rem; color: var(--navy-900); font-size: clamp(2.2rem, 4.6vw, 4.3rem); font-weight: 500; letter-spacing: -0.045em; line-height: 1.08; }
.intro-copy { max-width: 43rem; }
.intro-copy > p:not(.large-copy) { color: var(--slate); }
.large-copy { color: var(--navy-800); font-family: "Libre Baskerville", Georgia, serif; font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.55; }
.role-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.role-list span { color: var(--teal-600); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; }
.role-list p { margin: 0.55rem 0 0; font-size: 0.88rem; line-height: 1.6; }
.identity-logo { width: min(100%, 19rem); margin-top: 3.5rem; }

.services-section { background: var(--mist); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.service-grid article { min-height: 19rem; padding: 2rem 1.5rem; border-right: 1px solid var(--border); }
.service-grid article:first-child { padding-left: 0; }
.service-grid article:last-child { border-right: 0; }
.service-grid span { color: var(--gold-500); font-family: "Libre Baskerville", Georgia, serif; font-size: 0.9rem; }
.service-grid h3 { margin: 4rem 0 1rem; color: var(--navy-900); font-size: 1.15rem; font-weight: 600; line-height: 1.4; }
.service-grid p { margin: 0; color: var(--slate); font-size: 0.83rem; line-height: 1.65; }

.results-section { color: var(--white); background: var(--navy-900); }
.section-heading { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 4rem; align-items: end; margin-bottom: 4rem; }
.section-heading > p { margin-bottom: 0.5rem; color: var(--slate); }
.results-heading h2 { color: var(--white); }
.results-heading > p { color: rgba(255,255,255,0.58); }
.section-kicker.light { color: var(--teal-300); }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,0.15); }
.metric-card { min-height: 18rem; padding: 2rem; border-right: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.02); }
.metric-card:last-child { border-right: 0; }
.metric-card.featured { background: var(--teal-600); }
.metric-source { min-height: 2.8rem; color: rgba(255,255,255,0.58); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; line-height: 1.45; text-transform: uppercase; }
.metric-card.featured .metric-source { color: rgba(255,255,255,0.72); }
.metric-card strong { display: block; margin: 2.2rem 0 1.15rem; color: var(--gold-500); font-family: "Libre Baskerville", Georgia, serif; font-size: clamp(2.8rem, 4.4vw, 4.2rem); font-weight: 400; line-height: 1; }
.metric-card.featured strong { color: var(--white); }
.metric-card strong span { font-family: "Sora", Arial, sans-serif; font-size: 0.42em; }
.metric-card > p:last-child { margin: 0; color: rgba(255,255,255,0.7); font-size: 0.84rem; line-height: 1.55; }
.data-note { display: grid; grid-template-columns: 0.35fr 1.65fr; gap: 3rem; margin-top: 2.4rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.15); }
.data-note > span { color: var(--teal-300); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.data-note p { max-width: 50rem; margin: 0; color: rgba(255,255,255,0.66); }
.data-note strong { color: var(--white); font-weight: 600; }

.projects-section { background: var(--white); }
.project-list { border-top: 1px solid var(--border); }
.project-card { display: grid; grid-template-columns: 4rem 1fr 0.58fr; gap: 2.5rem; padding: 3rem 0; border-bottom: 1px solid var(--border); }
.project-number { color: var(--gold-500); font-family: "Libre Baskerville", Georgia, serif; font-size: 1.1rem; }
.project-type { margin-bottom: 0.35rem; color: var(--teal-600); font-size: 0.67rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.project-card h3 { margin-bottom: 0.8rem; color: var(--navy-900); font-size: clamp(1.5rem, 2.3vw, 2.1rem); font-weight: 600; }
.project-card div > p:last-child { max-width: 42rem; margin: 0; color: var(--slate); }
.project-card ul { align-self: center; margin: 0; padding: 0; list-style: none; }
.project-card li { padding: 0.45rem 0; color: var(--navy-800); font-size: 0.78rem; border-bottom: 1px solid var(--border); }

.method-section { background: var(--mist); }
.method-intro { display: grid; grid-template-columns: 0.3fr 1.1fr 0.6fr; gap: 3rem; align-items: start; margin-bottom: 4.5rem; }
.method-intro > p:last-child { color: var(--slate); }
.method-steps { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; border-top: 1px solid var(--border); list-style: none; }
.method-steps li { min-height: 14rem; padding: 1.7rem 1.25rem; border-right: 1px solid var(--border); }
.method-steps li:first-child { padding-left: 0; }
.method-steps li:last-child { border-right: 0; }
.method-steps span { color: var(--gold-500); font-family: "Libre Baskerville", Georgia, serif; font-size: 0.85rem; }
.method-steps strong { display: block; margin-top: 3.7rem; color: var(--navy-900); font-size: 0.9rem; }
.method-steps p { margin-top: 0.35rem; color: var(--slate); font-size: 0.76rem; line-height: 1.55; }

.statement-section { padding: clamp(5rem, 9vw, 8rem) 0; color: var(--white); background: var(--teal-600); }
.statement-grid { display: grid; grid-template-columns: 0.32fr 1.18fr 0.5fr; gap: 3rem; align-items: start; }
blockquote { margin: 0; font-family: "Libre Baskerville", Georgia, serif; font-size: clamp(1.8rem, 3.4vw, 3.2rem); line-height: 1.35; }
.statement-grid > p:last-child { color: rgba(255,255,255,0.73); }

.contact-section { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: clamp(3rem, 8vw, 8rem); }
.contact-intro { position: sticky; top: 8rem; align-self: start; }
.contact-intro > p:last-child { max-width: 30rem; color: var(--slate); }
.contact-links { border-top: 1px solid var(--border); }
.contact-links a {
  display: grid;
  grid-template-columns: 9rem 1fr auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 6rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: color 160ms ease, padding 160ms ease;
}
.contact-links a:hover, .contact-links a:focus-visible { color: var(--teal-600); padding-left: 0.7rem; }
.contact-links span { color: var(--slate); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; }
.contact-links strong { color: var(--navy-900); font-size: clamp(0.92rem, 1.6vw, 1.14rem); font-weight: 600; overflow-wrap: anywhere; }
.contact-links i { color: var(--gold-500); font-family: "Libre Baskerville", Georgia, serif; font-size: 1.2rem; font-style: normal; }

.regional-section { background: var(--white); }
.regional-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); }
.regional-grid > div:first-child > p:last-child { max-width: 34rem; color: var(--slate); }
.regional-list { border-top: 1px solid var(--border); }
.regional-list article { display: grid; grid-template-columns: 8.5rem 1fr; column-gap: 2rem; padding: 1.8rem 0; border-bottom: 1px solid var(--border); }
.regional-list time { grid-row: 1 / 3; color: var(--teal-600); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.regional-list h3 { margin: 0 0 0.35rem; color: var(--navy-900); font-size: 1rem; font-weight: 600; }
.regional-list p { margin: 0; color: var(--slate); font-size: 0.83rem; line-height: 1.6; }

.site-footer { padding: 3.5rem 0; color: rgba(255,255,255,0.65); background: var(--navy-950); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 2rem; }
.footer-name { color: var(--white); font-size: 1rem; font-weight: 600; }
.footer-grid p { margin: 0.5rem 0 0; font-size: 0.78rem; }
.back-top { color: var(--white); font-size: 0.78rem; font-weight: 600; text-decoration: none; }
.back-top span { color: var(--gold-500); margin-left: 0.35rem; }
.copyright { grid-column: 1 / -1; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.12); }

:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 4px; }

@media (max-width: 980px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; }
  .hero-copy { padding-bottom: 3rem; }
  .hero-visual { min-height: 28rem; margin: 0; }
  .hero-slide img { height: 28rem; }
  .section-heading, .intro-grid { grid-template-columns: 1fr; gap: 2rem; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-grid article { border-bottom: 1px solid var(--border); }
  .service-grid article:nth-child(2) { border-right: 0; }
  .service-grid article:nth-child(n+3) { border-bottom: 0; }
  .service-grid article:nth-child(3) { padding-left: 0; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-card:nth-child(2) { border-right: 0; }
  .metric-card:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,0.15); }
  .project-card { grid-template-columns: 3rem 1fr; }
  .project-card ul { grid-column: 2; display: flex; flex-wrap: wrap; gap: 0.5rem; }
  .project-card li { padding: 0.35rem 0.75rem; border: 1px solid var(--border); }
  .method-intro { grid-template-columns: 1fr 1fr; }
  .method-intro .section-kicker { grid-column: 1 / -1; }
  .method-steps { grid-template-columns: repeat(3, 1fr); }
  .method-steps li:nth-child(3) { border-right: 0; }
  .method-steps li:nth-child(-n+3) { border-bottom: 1px solid var(--border); }
  .statement-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .statement-grid > p:last-child { max-width: 40rem; }
  .regional-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-intro { position: static; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 2rem), var(--max-width)); }
  .site-header { background: rgba(13,29,48,0.94); }
  .brand-name { font-size: 0.82rem; }
  .menu-toggle { display: flex; width: 2.8rem; height: 2.8rem; padding: 0; flex-direction: column; align-items: center; justify-content: center; gap: 0.4rem; color: var(--white); background: transparent; border: 1px solid rgba(255,255,255,0.3); }
  .menu-toggle span:not(.sr-only) { width: 1.2rem; height: 1px; background: currentColor; transition: transform 180ms ease; }
  .menu-toggle[aria-expanded="true"] span:not(.sr-only):nth-of-type(2) { transform: translateY(0.22rem) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:not(.sr-only):nth-of-type(3) { transform: translateY(-0.22rem) rotate(-45deg); }
  .site-nav { position: fixed; inset: 5.25rem 0 auto; display: none; padding: 1rem; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy-950); border-top: 1px solid rgba(255,255,255,0.12); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 1rem; font-size: 0.92rem; border-bottom: 1px solid rgba(255,255,255,0.12); }
  .hero { padding-top: 7.6rem; }
  .hero-copy { padding-top: 1rem; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.2rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.25rem; }
  .button { width: 100%; }
  .hero-visual, .hero-slide img { height: 23rem; min-height: 23rem; }
  .hero-slide figcaption { right: 1rem; bottom: 4.3rem; left: 1rem; }
  .slider-controls { right: 1rem; bottom: 1rem; left: 1rem; justify-content: space-between; }
  .hero-proof { grid-template-columns: 1fr; padding: 1rem 0; }
  .hero-proof > div, .hero-proof > div:first-child { min-height: auto; padding: 1.1rem 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.14); }
  .hero-proof > div:last-child { border-bottom: 0; }
  .role-list { grid-template-columns: 1fr; }
  .identity-logo { margin-top: 2rem; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article, .service-grid article:first-child, .service-grid article:nth-child(3) { min-height: auto; padding: 1.6rem 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .service-grid article:last-child { border-bottom: 0; }
  .service-grid h3 { margin-top: 1.4rem; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-card, .metric-card:nth-child(2) { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .metric-card:last-child { border-bottom: 0; }
  .metric-card strong { margin-top: 1.6rem; }
  .data-note { grid-template-columns: 1fr; gap: 0.8rem; }
  .project-card { grid-template-columns: 1fr; gap: 1rem; }
  .project-card ul { grid-column: 1; }
  .method-intro { grid-template-columns: 1fr; gap: 1.2rem; }
  .method-intro .section-kicker { grid-column: auto; }
  .method-steps { grid-template-columns: 1fr; }
  .method-steps li, .method-steps li:first-child { min-height: auto; padding: 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .method-steps strong { margin-top: 1.3rem; }
  .regional-list article { grid-template-columns: 1fr; gap: 0.55rem; }
  .regional-list time { grid-row: auto; }
  .contact-links a { grid-template-columns: 1fr auto; gap: 0.35rem 1rem; }
  .contact-links span { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr; }
}

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