:root {
  --navy: #061a2f;
  --navy-2: #0a2947;
  --blue: #0b3a63;
  --blue-light: #7eb4df;
  --steel: #a8b6c5;
  --white: #ffffff;
  --off-white: #f4f6f8;
  --ink: #102235;
  --gold: #c8a45a;
  --line: rgba(255,255,255,.16);
  --shadow: 0 22px 55px rgba(1, 18, 34, .18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background: var(--off-white);
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(5, 23, 42, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  letter-spacing: .08em;
}
.brand-mark { font-size: 1.75rem; font-weight: 800; }
.brand-name { font-size: .95rem; font-weight: 600; color: #c7d2dd; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  text-decoration: none;
  color: #dbe4ec;
  font-size: .84rem;
  font-weight: 600;
  letter-spacing: .04em;
}
.site-nav a:hover { color: var(--white); }
.nav-cta {
  border: 1px solid rgba(255,255,255,.45);
  padding: 10px 16px;
}
.menu-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 27px;
  height: 2px;
  background: white;
  margin: 5px 0;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}
.hero-image {
  position: absolute;
  inset: 0;
  background: url("assets/f35.webp") center center / cover no-repeat;
  transform: scale(1.03);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 18, 34, .96) 0%, rgba(3, 22, 41, .87) 46%, rgba(3, 24, 43, .28) 100%),
    linear-gradient(0deg, rgba(3, 18, 34, .9) 0%, transparent 45%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .12;
  background-image:
    linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 110px;
}
.hero-content h1 {
  font-family: "Libre Baskerville", serif;
  font-size: clamp(3rem, 6.7vw, 6.8rem);
  line-height: 1.02;
  letter-spacing: -.035em;
  max-width: 980px;
  margin: 18px 0 28px;
}
.eyebrow {
  margin: 0;
  color: #8fc4ed;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .24em;
}
.eyebrow.dark { color: var(--blue); }
.hero-copy {
  max-width: 760px;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  color: #dce6ef;
}
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 25px;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid transparent;
}
.button-primary { background: var(--white); color: var(--navy); }
.button-primary:hover { background: #dce9f4; }
.button-outline { color: var(--white); border-color: rgba(255,255,255,.5); }
.button-outline:hover { background: rgba(255,255,255,.08); }

.intro-band {
  background: var(--navy);
  color: var(--white);
  padding: 58px 0;
}
.intro-grid {
  display: grid;
  grid-template-columns: .8fr 1.8fr;
  gap: 60px;
  align-items: start;
}
.section-number { font-size: .78rem; color: #7fa4c3; }
.kicker { font-size: .78rem; letter-spacing: .16em; font-weight: 800; color: #9cc0dd; }
.intro-statement {
  margin: 0;
  font-family: "Libre Baskerville", serif;
  font-size: clamp(1.45rem, 2.7vw, 2.6rem);
  line-height: 1.42;
}

.section { padding: 110px 0; }
.section-light { background: var(--off-white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-blue { background: var(--blue); color: var(--white); }
.split-layout {
  display: grid;
  grid-template-columns: .88fr 1.35fr;
  gap: 90px;
}
.section-heading h2,
.image-feature-content h2,
.joint-base-copy h2,
.contact-inner h2 {
  font-family: "Libre Baskerville", serif;
  font-size: clamp(2.2rem, 4vw, 4.1rem);
  line-height: 1.15;
  letter-spacing: -.025em;
  margin: 18px 0 0;
}
.section-heading.wide { max-width: 850px; margin-bottom: 60px; }
.prose { font-size: 1.06rem; }
.prose p:first-child { margin-top: 0; }
.prose blockquote {
  margin: 38px 0 0;
  padding: 26px 30px;
  border-left: 4px solid var(--blue);
  background: white;
  box-shadow: var(--shadow);
  font-family: "Libre Baskerville", serif;
  font-size: 1.22rem;
}
.prose-light { color: #d4dee7; }
.prose-light strong { color: white; }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 80px;
}
.pillar {
  padding: 34px;
  background: white;
  border-top: 4px solid var(--blue);
  box-shadow: var(--shadow);
}
.pillar span,
.capability-card span { color: var(--blue); font-size: .72rem; font-weight: 800; }
.pillar h3,
.capability-card h3 { font-size: 1.2rem; margin: 20px 0 12px; }

.image-feature {
  position: relative;
  min-height: 630px;
  display: flex;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}
.image-feature > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-feature-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(4,20,37,.94) 0%, rgba(4,20,37,.18) 75%);
}
.image-feature-content { position: relative; z-index: 2; padding-bottom: 72px; max-width: 1000px; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 75px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats div { padding: 35px 25px; border-right: 1px solid var(--line); }
.stats div:last-child { border-right: 0; }
.stats strong {
  display: block;
  font-family: "Libre Baskerville", serif;
  font-size: 3rem;
  color: white;
}
.stats span { color: #a9bccd; font-size: .82rem; }

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #cdd6de;
  border-left: 1px solid #cdd6de;
}
.capability-card {
  padding: 34px;
  min-height: 270px;
  border-right: 1px solid #cdd6de;
  border-bottom: 1px solid #cdd6de;
  background: rgba(255,255,255,.65);
}
.capability-card:hover { background: white; box-shadow: var(--shadow); position: relative; z-index: 1; }

.joint-base-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 650px;
  background: var(--navy-2);
  color: white;
}
.joint-base-copy { display: flex; align-items: center; }
.joint-base-copy .inner { max-width: 600px; margin-left: auto; padding: 80px 70px 80px 40px; }
.joint-base-copy p:not(.eyebrow) { color: #c7d3dd; font-size: 1.08rem; }
.joint-base-image img { width: 100%; height: 100%; object-fit: cover; }

.network-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,.22);
}
.network-list span {
  padding: 18px 12px 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.16);
  color: #dce8f2;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 30px;
}
.mission-grid > article:first-child { padding: 40px 50px 40px 0; }
.mission-grid h2 { font-family: "Libre Baskerville", serif; font-size: clamp(2rem, 3.5vw, 3.6rem); line-height: 1.18; }
.mission-card {
  background: var(--navy);
  color: white;
  padding: 50px;
  box-shadow: var(--shadow);
}
.mission-text { font-family: "Libre Baskerville", serif; font-size: 1.45rem; line-height: 1.55; }
.vision-card {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: .45fr 1.55fr;
  gap: 40px;
  padding: 42px 0;
  border-top: 1px solid #cbd4dc;
  border-bottom: 1px solid #cbd4dc;
}
.vision-card p:last-child { margin: 0; font-family: "Libre Baskerville", serif; font-size: 1.45rem; }

.contact-section {
  position: relative;
  padding: 120px 0;
  color: white;
  background:
    linear-gradient(90deg, rgba(4,20,37,.95), rgba(5,34,59,.82)),
    url("assets/f35.webp") center 45% / cover;
}
.contact-inner { max-width: 900px; }
.contact-inner p:not(.eyebrow) { max-width: 720px; color: #d6e1ea; font-size: 1.1rem; }
.contact-inner .button { margin-top: 24px; }

.site-footer { background: #031322; color: #aebdca; padding: 45px 0; }
.footer-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; align-items: end; }
.footer-brand { margin-bottom: 8px; }
.photo-credit { font-size: .72rem; max-width: 680px; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 20px 25px;
    background: #061a2f;
    border-top: 1px solid var(--line);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-cta { border: 0; }
  .split-layout, .intro-grid, .mission-grid, .joint-base-section, .footer-grid { grid-template-columns: 1fr; }
  .pillars, .capability-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .joint-base-copy .inner { margin: 0; padding: 75px 40px; }
  .joint-base-image { min-height: 480px; }
  .mission-grid > article:first-child { padding-right: 0; }
  .vision-card { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .hero { min-height: 94vh; }
  .hero-content h1 { font-size: clamp(2.65rem, 13vw, 4rem); }
  .hero-copy { font-size: 1rem; }
  .section { padding: 82px 0; }
  .split-layout { gap: 42px; }
  .pillars, .capability-grid, .network-list { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div { padding: 25px 15px; }
  .stats strong { font-size: 2.3rem; }
  .image-feature { min-height: 540px; }
  .mission-card { padding: 35px 28px; }
  .mission-text { font-size: 1.2rem; }
  .joint-base-copy .inner { padding: 65px 28px; }
}