:root {
  --ink: #063565;
  --navy: #01284f;
  --blue: #075fae;
  --cyan: #35affb;
  --paper: #f3f7fb;
  --white: #ffffff;
  --muted: #536b81;
  --line: rgba(1, 63, 130, 0.15);
  --sans: "DM Sans", Arial, sans-serif;
  --display: "Manrope", Arial, sans-serif;
  --page: 1180px;
  --gutter: max(24px, calc((100vw - var(--page)) / 2));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 17px; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin-top: 0; font-family: var(--display); }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  height: 84px;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 650; }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.brand span { font-size: 19px; }
.main-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.main-nav a { opacity: .82; }
.main-nav a:hover, .main-nav a:focus-visible { opacity: 1; }
.main-nav .nav-cta { padding: 9px 17px; border: 1px solid rgba(255,255,255,.48); border-radius: 999px; opacity: 1; }
.menu-button { display: none; padding: 8px 14px; border: 1px solid rgba(255,255,255,.4); border-radius: 999px; color: white; background: transparent; font: inherit; font-size: 14px; }

.hero {
  min-height: 680px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: white;
  background: var(--navy);
}
.hero-image {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(1,40,79,.98) 0%, rgba(1,40,79,.87) 43%, rgba(7,95,174,.14) 82%), url("hero-direction.png");
  background-position: center;
  background-size: cover;
}
.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100vw - 48px));
  margin-left: var(--gutter);
  padding: 130px 0 72px;
}
.eyebrow, .section-label { margin: 0 0 20px; color: var(--blue); font-size: 12px; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow { color: var(--cyan); }
h1 { max-width: 750px; margin-bottom: 24px; font-size: clamp(48px, 6vw, 78px); font-weight: 550; line-height: 1.02; letter-spacing: -.05em; }
.hero-lead { max-width: 650px; margin: 0; font-family: var(--display); font-size: clamp(21px, 2.2vw, 29px); line-height: 1.4; letter-spacing: -.02em; }
.hero-audience { max-width: 680px; margin: 22px 0 30px; color: rgba(255,255,255,.73); font-size: 15px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 13px 21px; border-radius: 999px; font-size: 15px; font-weight: 600; }
.button-primary { color: var(--navy); background: var(--cyan); }
.button-primary:hover, .button-primary:focus-visible { background: #77cbff; }

.section { padding: clamp(76px, 8vw, 112px) var(--gutter); }
.section-light { background: white; }
.section-head { display: grid; grid-template-columns: 240px minmax(0, 720px); gap: 48px; align-items: start; margin-bottom: 52px; }
.section-head h2, .about h2, .guide h2, .contact h2 { margin: 0; font-size: clamp(34px, 4.6vw, 56px); font-weight: 550; line-height: 1.1; letter-spacing: -.04em; }

.assignment-grid, .approach-grid, .case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.assignment-grid { border-top: 1px solid var(--line); }
.assignment-grid article { padding: 30px 32px 28px 0; border-bottom: 1px solid var(--line); }
.assignment-grid article + article { padding-left: 32px; border-left: 1px solid var(--line); }
.assignment-grid article > span, .approach-grid li > span { color: var(--blue); font-size: 12px; font-weight: 600; }
.assignment-grid h3, .approach-grid h3 { margin: 40px 0 14px; font-size: 25px; font-weight: 600; line-height: 1.25; letter-spacing: -.025em; }
.assignment-grid p { margin: 0; color: var(--muted); }
.assignment-note { max-width: 800px; margin: 34px 0 0 auto; color: var(--ink); font-family: var(--display); font-size: 20px; line-height: 1.5; }

.approach { color: white; background: var(--blue); }
.section-head-light .section-label { color: var(--cyan); }
.section-head-light h2 { color: white; }
.approach-grid { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.28); }
.approach-grid li { min-width: 0; padding: 30px 32px 34px 0; border-bottom: 1px solid rgba(255,255,255,.24); }
.approach-grid li + li { padding-left: 32px; border-left: 1px solid rgba(255,255,255,.24); }
.approach-grid li > span { color: var(--cyan); }
.approach-grid h3 { margin-top: 36px; }
.approach-grid p { margin: 0; color: rgba(255,255,255,.72); }
.outcomes { margin-top: 40px; display: flex; justify-content: space-between; gap: 18px; color: rgba(255,255,255,.75); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.outcomes span + span::before { content: "•"; margin-right: clamp(18px, 3vw, 42px); color: var(--cyan); }

.results { background: var(--paper); }
.case-grid { gap: 18px; }
.case-grid article { min-width: 0; padding: 30px; display: flex; flex-direction: column; background: white; border: 1px solid var(--line); }
.case-metric { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.case-metric span { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.case-metric strong { display: block; color: var(--blue); font-family: var(--display); font-size: clamp(25px, 2.6vw, 34px); font-weight: 550; line-height: 1.2; letter-spacing: -.035em; }
.case-grid article > p { margin: 24px 0 28px; color: var(--muted); }
.case-grid small { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink); font-size: 13px; line-height: 1.5; }

.about { display: grid; grid-template-columns: minmax(300px, 460px) minmax(0, 1fr); gap: clamp(54px, 8vw, 110px); align-items: center; color: white; background: var(--navy); }
.about-portrait { margin: 0; }
.about-portrait img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; object-position: center; }
.about-copy { max-width: 650px; }
.about .section-label { color: var(--cyan); }
.about h2 { margin-bottom: 30px; }
.about-copy > p:not(.section-label) { color: rgba(255,255,255,.72); }
.leadership-tags { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.leadership-tags span { padding: 7px 11px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; font-size: 12px; }

.guide { display: grid; grid-template-columns: 90px minmax(0, 1fr) auto; gap: 40px; align-items: center; background: white; }
.guide-mark { width: 76px; height: 96px; display: grid; place-items: center; color: white; background: var(--blue); font-family: var(--display); font-size: 18px; font-weight: 700; box-shadow: 8px 8px 0 #dce7f2; }
.guide-copy h2 { font-size: clamp(30px, 4vw, 48px); }
.guide-copy > p:last-child { max-width: 650px; margin: 15px 0 0; color: var(--muted); }
.download-button { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 13px 20px; border-radius: 999px; color: white; background: var(--ink); font-size: 15px; font-weight: 600; white-space: nowrap; }
.download-button span { color: rgba(255,255,255,.62); font-size: 11px; font-weight: 500; }

.contact { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: clamp(60px, 8vw, 110px); color: white; background: var(--blue); }
.contact .section-label { color: var(--cyan); }
.contact-copy p:last-child { max-width: 650px; color: rgba(255,255,255,.72); font-size: 18px; }
.contact-links { display: flex; flex-direction: column; justify-content: end; }
.contact-links a { min-width: 0; padding: 18px 0; display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid rgba(255,255,255,.28); font-family: var(--display); font-size: clamp(16px, 2vw, 21px); overflow-wrap: anywhere; }
.contact-links span { color: var(--cyan); }

footer { padding: 28px var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 40px; color: var(--muted); background: white; border-top: 1px solid var(--line); font-size: 12px; }
footer a { width: min(390px, 68vw); }
footer p { margin: 0; }

@media (max-width: 940px) {
  .site-header { height: 76px; }
  .menu-button { display: inline-flex; }
  .main-nav { position: absolute; top: 66px; right: 24px; width: 220px; padding: 20px; display: none; flex-direction: column; align-items: stretch; gap: 16px; background: rgba(1,40,79,.98); border: 1px solid rgba(255,255,255,.16); border-radius: 12px; }
  .main-nav.open { display: flex; }
  .section-head { grid-template-columns: 180px minmax(0, 1fr); gap: 32px; }
  .assignment-grid, .approach-grid, .case-grid { grid-template-columns: 1fr; }
  .assignment-grid article, .assignment-grid article + article, .approach-grid li, .approach-grid li + li { padding: 26px 0; border-left: 0; }
  .assignment-grid h3, .approach-grid h3 { margin-top: 18px; }
  .case-grid { gap: 12px; }
  .case-grid article { padding: 26px; }
  .guide { grid-template-columns: 76px minmax(0, 1fr); }
  .download-button { grid-column: 2; justify-self: start; }
  .contact { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 680px) {
  :root { --gutter: 22px; }
  body { font-size: 16px; }
  .brand img { width: 36px; height: 36px; }
  .brand span { font-size: 18px; }
  .hero { min-height: auto; }
  .hero-image { background-image: linear-gradient(90deg, rgba(1,40,79,.97), rgba(1,40,79,.7)), url("hero-direction.png"); background-position: 62% center; }
  .hero-content { width: auto; margin: 0; padding: 118px var(--gutter) 64px; }
  h1 { font-size: clamp(39px, 12vw, 52px); line-height: 1.04; }
  .hero-lead { font-size: 20px; }
  .hero-audience { font-size: 14px; }
  .button { width: 100%; }
  .section { padding-top: 68px; padding-bottom: 68px; }
  .section-head { grid-template-columns: 1fr; gap: 8px; margin-bottom: 34px; }
  .section-head h2, .about h2, .guide h2, .contact h2 { font-size: 35px; }
  .assignment-note { margin-top: 28px; font-size: 18px; }
  .outcomes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .outcomes span + span::before { content: none; }
  .about { grid-template-columns: 1fr; gap: 36px; }
  .about-portrait { max-width: 430px; }
  .guide { grid-template-columns: 64px minmax(0, 1fr); gap: 24px; }
  .guide-mark { width: 60px; height: 78px; font-size: 14px; }
  .guide-copy h2 { font-size: 31px; }
  .download-button { grid-column: 1 / -1; width: 100%; align-items: center; white-space: normal; }
  .contact-links a { font-size: 16px; }
  footer { flex-direction: column; align-items: flex-start; gap: 18px; }
  footer a { width: min(100%, 360px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
