:root {
  --ink: #102334;
  --muted: #5b6b77;
  --navy: #10395c;
  --blue: #176a91;
  --aqua: #59c5ca;
  --ice: #edf6f7;
  --line: #d7e3e7;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, "Helvetica Neue", Arial, sans-serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 78px;
  padding: 10px max(5vw, 24px);
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand { display: grid; gap: 3px; min-width: 210px; }
.brand img { width: 154px; height: 44px; object-fit: contain; object-position: left center; }
.brand small { color: var(--muted); font-size: .62rem; line-height: 1.1; white-space: nowrap; }
nav { display: flex; align-items: center; gap: 26px; font-size: .92rem; font-weight: 650; }
nav a:hover { color: var(--blue); }
nav button { padding: 8px 14px; color: var(--navy); background: var(--ice); border: 1px solid var(--line); border-radius: 3px; font-weight: 750; cursor: pointer; }

.hero { position: relative; min-height: 680px; display: grid; align-items: end; overflow: hidden; color: var(--white); }
.hero-photo, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-photo { object-fit: cover; object-position: center; }
.hero-overlay { background: linear-gradient(90deg, rgba(5,30,51,.95) 0%, rgba(9,48,75,.82) 45%, rgba(9,48,75,.22) 78%), linear-gradient(0deg, rgba(5,25,40,.64), transparent 50%); }
.hero-copy { position: relative; z-index: 1; width: min(760px, 88vw); padding: 112px 0 155px max(6vw, 28px); }
.kicker, .section-label { margin: 0 0 14px; color: var(--aqua); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1 { max-width: 720px; margin: 0; font-size: clamp(2.7rem, 6vw, 5.3rem); line-height: 1.02; letter-spacing: -.025em; }
.hero-copy > p:not(.kicker) { max-width: 660px; margin: 25px 0 0; color: #e7f1f4; font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { padding: 12px 20px; border: 1px solid rgba(255,255,255,.5); font-weight: 750; }
.button.primary { color: var(--ink); background: var(--aqua); border-color: var(--aqua); }
.button.ghost { color: var(--white); }
.hero-stats { position: absolute; z-index: 2; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(3, minmax(170px, 1fr)); width: min(670px, 72vw); background: rgba(255,255,255,.96); color: var(--ink); }
.hero-stats div { min-height: 96px; padding: 20px; border-left: 1px solid var(--line); }
.hero-stats strong { display: block; color: var(--blue); font-size: .75rem; }
.hero-stats span { display: block; margin-top: 6px; font-size: .86rem; font-weight: 750; }

.intro, .contact { display: grid; grid-template-columns: 1.05fr .95fr; gap: 8vw; padding: 100px max(7vw, 28px); }
.intro h2, .section-head h2, .research-title h2, .contact h2 { margin: 0; max-width: 760px; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.12; letter-spacing: -.02em; }
.intro-copy { padding-top: 28px; color: var(--muted); font-size: 1.04rem; }

.resources { padding: 95px max(6vw, 28px); background: #f8fbfc; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }
.resource-intro { max-width: 500px; margin: 0; color: var(--muted); font-size: 1rem; }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.resource-grid article {
  display: grid;
  align-content: start;
  min-height: 310px;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 18px 45px rgba(16,57,92,.07);
}
.resource-grid span { color: var(--blue); font-size: .76rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.resource-grid h3 { margin: 18px 0 12px; font-size: 1.35rem; line-height: 1.22; }
.resource-grid p { margin: 0 0 28px; color: var(--muted); }
.resource-grid a {
  align-self: end;
  justify-self: start;
  margin-top: auto;
  padding: 10px 16px;
  color: var(--navy);
  border: 1px solid var(--line);
  font-weight: 800;
}
.resource-grid a:hover { color: var(--white); background: var(--navy); border-color: var(--navy); }
.resource-note { max-width: 760px; margin: 24px 0 0; color: var(--muted); font-size: .95rem; }

.services { padding: 95px max(6vw, 28px); background: var(--ice); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-grid article { position: relative; min-width: 0; padding: 18px 18px 28px; background: var(--white); }
.service-grid img { width: 100%; aspect-ratio: 1.25; object-fit: cover; margin-bottom: 22px; }
.service-grid span, .research-list b { color: var(--blue); font-size: .72rem; }
.service-grid h3 { min-height: 54px; margin: 8px 0; font-size: 1.1rem; line-height: 1.3; }
.service-grid p { margin: 0; color: var(--muted); font-size: .9rem; }

.research { display: grid; grid-template-columns: .82fr 1.18fr; gap: 7vw; padding: 105px max(6vw, 28px); background: #0b2e49; color: var(--white); }
.research-title { position: sticky; top: 120px; align-self: start; }
.research-title > p:last-child { max-width: 540px; margin-top: 24px; color: #bdd0d9; }
.research-copy {
  max-width: 590px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.2);
  color: #d5e3e8;
  font-size: .92rem;
}
.research-copy p { margin: 0 0 16px; }
.research-copy h3 { margin: 25px 0 12px; color: var(--white); font-size: 1.05rem; }
.research-copy ul { display: grid; gap: 9px; margin: 0; padding-left: 18px; }
.research-copy li::marker { color: var(--aqua); }
.research-list { display: grid; gap: 1px; background: rgba(255,255,255,.18); }
.research-list article { display: grid; grid-template-columns: 180px 1fr; align-items: center; min-height: 130px; background: #103957; }
.research-list img { width: 100%; height: 100%; min-height: 130px; object-fit: cover; }
.research-list div { padding: 22px; }
.research-list h3 { margin: 7px 0 0; font-size: 1.08rem; }

.principles { padding: 95px max(7vw, 28px); }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 32px; border-top: 1px solid var(--line); }
.principle-grid div { padding: 28px 6vw 10px 0; border-right: 1px solid var(--line); }
.principle-grid div + div { padding-left: 3vw; }
.principle-grid div:last-child { border-right: 0; }
.principle-grid strong { font-size: 1.18rem; }
.principle-grid p { color: var(--muted); }

.contact { color: var(--white); background: var(--blue); }
.contact .section-label { color: #b8f3ec; }
.contact p { max-width: 680px; color: #e0eff2; }
.contact address { display: grid; align-content: center; gap: 20px; padding-left: 4vw; border-left: 1px solid rgba(255,255,255,.35); font-style: normal; }
.contact address a { font-size: 1.45rem; font-weight: 800; }
.contact address span { color: #d8e8ec; }

footer { display: flex; justify-content: space-between; gap: 28px; padding: 24px max(5vw, 24px); color: var(--muted); background: #f7fafb; border-top: 1px solid var(--line); font-size: .78rem; }

@media (max-width: 980px) {
  .topbar { align-items: flex-start; }
  .brand small { white-space: normal; }
  nav { justify-content: flex-end; gap: 14px; flex-wrap: wrap; }
  .resource-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .research { grid-template-columns: 1fr; }
  .research-title { position: static; }
}

@media (max-width: 680px) {
  .topbar { position: relative; display: block; padding: 12px 20px; }
  .brand { min-width: 190px; }
  .brand img { width: 142px; height: 40px; }
  .brand small { font-size: .57rem; }
  nav { justify-content: flex-start; gap: 15px; margin-top: 12px; font-size: .78rem; }
  nav button { padding: 5px 9px; }
  .hero { min-height: 690px; align-items: center; }
  .hero-overlay { background: linear-gradient(0deg, rgba(5,30,51,.96), rgba(5,30,51,.58)); }
  .hero-copy { width: auto; padding: 70px 24px 190px; }
  h1 { font-size: 2.7rem; }
  .hero-stats { left: 0; width: 100%; grid-template-columns: 1fr; }
  .hero-stats div { min-height: auto; padding: 10px 20px; border-top: 1px solid var(--line); }
  .hero-stats strong, .hero-stats span { display: inline; margin-right: 8px; }
  .intro, .contact { grid-template-columns: 1fr; gap: 28px; padding: 72px 24px; }
  .resources, .services, .research, .principles { padding: 72px 24px; }
  .section-head { display: grid; align-items: start; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid h3 { min-height: auto; }
  .research-list article { grid-template-columns: 120px 1fr; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-grid div, .principle-grid div + div { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .contact address { padding: 24px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.35); }
  footer { display: grid; }
}