/* ---------- Tokens ---------- */
:root {
  --navy: #081429;
  --navy-light: #0F2038;
  --teal: #0D9488;
  --mint: #3FE0C5;
  --cyan: #6EC8FF;
  --orange: #F97316;
  --white: #FFFFFF;
  --ink-soft: #C9D6E3;
  --max-width: 1120px;
}

/* ---------- Reset & base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--white);
  font-family: 'Work Sans', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
h1, h2 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
}
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(8, 20, 41, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand-mark { height: 40px; width: auto; }

.primary-nav {
  display: flex;
  gap: 28px;
  font-size: 15px;
}
.primary-nav a:hover { color: var(--mint); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--white);
  display: block;
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 88px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  max-width: 14ch;
}
.hero-sub {
  max-width: 46ch;
  font-size: 1.05rem;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}
.hero-graphic img { width: 100%; max-width: 340px; height: auto; margin: 0 auto; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.98rem;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--teal);
  color: var(--white);
}
.btn-primary:hover { background: #0B7A70; }
.btn-ghost {
  border-color: rgba(255,255,255,0.35);
  color: var(--white);
}
.btn-ghost:hover { border-color: var(--mint); color: var(--mint); }

/* ---------- Pillars ---------- */
.pillars { padding: 20px 0 88px; }
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pillar {
  background: var(--navy-light);
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 3px solid transparent;
}
.pillar-orange { border-top-color: var(--orange); }
.pillar-teal { border-top-color: var(--teal); }
.pillar-navy { border-top-color: var(--cyan); }

.pillar-node {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-bottom: 14px;
}
.pillar-orange .pillar-node { background: var(--orange); }
.pillar-teal .pillar-node { background: var(--teal); }
.pillar-navy .pillar-node { background: var(--cyan); }

.pillar h2 { font-size: 1.3rem; }
.pillar-link {
  margin-top: auto;
  padding-top: 14px;
  font-size: 0.92rem;
  color: var(--mint);
}
.pillar:hover .pillar-link { text-decoration: underline; }

/* ---------- About ---------- */
.about { padding: 24px 0 96px; }
.about-inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
}
.about-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--navy-light);
}
.about-text p { max-width: 62ch; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 32px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
}
.footer-nav, .footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-nav a:hover, .footer-meta a:hover { color: var(--mint); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-graphic { max-width: 260px; margin: 0 auto; }
  .pillars-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; text-align: center; }
  .about-photo { margin: 0 auto; }
}
@media (max-width: 640px) {
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 16px 24px 24px;
    display: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .primary-nav.open { display: flex; }
  .nav-toggle { display: flex; }
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}