:root{
  --ink: #0f1b2d;
  --muted: #42546d;
  --line: rgba(15,27,45,.14);

  --blue: #1f66cc;
  --paper: #ffffff;
  --soft: #f6f8fc;

  --radius: 14px;
  --shadow: 0 10px 22px rgba(15,27,45,.08);
  --max: 1080px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;

  /* Conservative tone */
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
}

a{ color: inherit; text-decoration: none; }
a:hover{ color: var(--blue); }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}

/* Header */
.site-header{
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;
  padding: 18px 0;          /* taller header */
  min-height: 120px;         /* ensures real header presence */
}

.logo-link{ display:flex; align-items:center; }

.logo{
  height: 88px;             /* main control: increase/decrease */
  width: auto;
  display:block;
}

.nav{
  display:flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content:flex-end;

  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

.nav a{
  font-size: 13px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}

.nav a:hover{
  border-color: rgba(31,102,204,.25);
  background: rgba(31,102,204,.06);
  color: var(--ink);
}

/* Hero */
.hero{ padding: 54px 0 26px; }

.hero-inner{
  display:grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

h1{
  margin: 0 0 12px;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.hero-lede{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: none;

  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

.divider{
  width: 92px;
  height: 4px;
  border-radius: 999px;
  background: var(--blue);
  margin: 18px 0 18px;
}

.highlights{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.highlight{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: #ffffff;
  box-shadow: 0 6px 14px rgba(15,27,45,.05);
}

.highlight-title{
  font-weight: 900;
  color: var(--blue);
  letter-spacing: .02em;
  margin-bottom: 4px;
}

.highlight-text{
  color: var(--muted);
  font-size: 13px;

  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

/* Sections */
.section{
  padding: 44px 0;
  border-top: 1px solid rgba(15,27,45,.10);
}

.section-alt{ background: var(--soft); }

.section-head{ margin-bottom: 18px; }

h2{
  margin: 0;
  font-size: 24px;
  color: var(--ink);
}

.two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.two-col p{
  margin: 0;
  color: var(--muted);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

/* Capability cards */
.grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.card{
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 6px 14px rgba(15,27,45,.05);
}

.card h3{
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--blue);
  letter-spacing: .01em;
}

.card p{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

/* Principles */
.principles{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.principle{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: 0 6px 14px rgba(15,27,45,.05);
}

.glyph{
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display:flex;
  align-items:center;
  justify-content:center;
  color: var(--blue);
  border: 1px solid rgba(31,102,204,.25);
  background: rgba(31,102,204,.06);
  font-weight: 900;

  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

.principle-title{
  font-weight: 900;
  margin-bottom: 4px;
  color: var(--ink);
}

.principle p{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

/* Footer */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  background: #ffffff;
}

.footer-inner{
  display:flex;
  justify-content:flex-end;
}

.footer-copy{
  color: var(--muted);
  font-size: 12px;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

/* Responsive */
@media (max-width: 980px){
  .highlights{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr 1fr; }
  .principles{ grid-template-columns: 1fr; }
  .two-col{ grid-template-columns: 1fr; }
  h1{ font-size: 34px; }
}

@media (max-width: 560px){
  .grid{ grid-template-columns: 1fr; }
  .nav{ gap: 10px; }
  .nav a{ padding: 8px 8px; }
  .logo{ height: 60px; }
}