@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root{
  --brand: #0c4b78;
  --brand-dark: #093a5d;
  --text: #0f172a;
  --muted: #475569;
  --bg: #ffffff;
  --bg-elev: #f8fafc;
  --ring: rgba(12, 75, 120, .35);
  --radius: 16px;
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
.container { width: min(1200px, 100% - 2rem); margin-inline: auto; }

/* Header (MDit pattern) */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg), transparent 6%);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--muted), transparent 85%);
}
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .8rem 0;
}
.brand { display: inline-flex; align-items: center; gap: .75rem; }
.brand img { width: 42px; height: 42px; border-radius: 10px; }
.brand span { font-weight: 800; letter-spacing: .4px; font-size: 1.05rem; }

.nav-primary { display: flex; align-items: center; gap: .5rem; list-style: none; margin: 0; padding: 0; }
.nav-link { padding: .55rem .85rem; border-radius: 999px; font-weight: 700; }
.nav-link:hover, .nav-link.active { background: var(--bg-elev); }

.burger {
  display: none; border: 1px solid color-mix(in srgb, var(--muted), transparent 75%);
  background: var(--bg); border-radius: 12px; padding: .5rem .6rem; cursor: pointer;
}
.burger svg { width: 22px; height: 22px; display: block; }

/* Mobile drawer */
.drawer-backdrop {
  position: fixed; inset: 0; background: rgba(2,6,23,.35);
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.drawer {
  position: fixed; top: 0; right: 0; height: 100dvh; width: min(85vw, 300px);
  background: var(--bg); border-left: 1px solid color-mix(in srgb, var(--muted), transparent 80%);
  box-shadow: -20px 0 40px rgba(2,6,23,.18);
  transform: translateX(100%);
  transition: transform .25s ease;
  z-index: 120; padding: 1rem; display: flex; flex-direction: column; gap: .5rem;
}
.drawer .nav-primary { flex-direction: column; align-items: stretch; gap: .25rem; }
.drawer .nav-link { display:block; padding: .9rem 1rem; border-radius: 12px; }

.drawer-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
.drawer-open .drawer { transform: translateX(0); }

/* Responsive switches */

/* Hero + content */
.hero {
  padding: 6rem 0 4rem;
  background:
    radial-gradient(900px 400px at 10% -10%, color-mix(in srgb, var(--brand), transparent 90%), transparent),
    radial-gradient(900px 400px at 110% 10%, color-mix(in srgb, var(--brand-dark), transparent 92%), transparent);
}
h1 { font-size: clamp(2rem, 3.5vw + 1rem, 4rem); line-height: 1.1; margin: .6rem 0 1rem; }
.lead { font-size: clamp(1rem, 1.1vw + .8rem, 1.3rem); color: var(--muted); max-width: 60ch; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; } }

section { padding: 3.5rem 0; }
.section-title { font-size: 1.6rem; margin-bottom: 1rem; }

.card-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.card { grid-column: span 4; background: var(--bg-elev); border: 1px solid color-mix(in srgb,var(--muted),transparent 80%);
         padding: 1.25rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.card h3 { margin: 0 0 .25rem; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); }
@media (max-width: 900px) { .card { grid-column: span 6; } }
@media (max-width: 640px) { .card { grid-column: span 12; } }

.btn {
  --btn-bg: var(--brand);
  --btn-text: #ffffff;
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .8rem 1.1rem; border-radius: 999px; font-weight: 800; letter-spacing: .3px;
  background: var(--btn-bg); color: var(--btn-text);
  border: 1px solid transparent; box-shadow: var(--shadow);
  transition: transform .06s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); background: var(--brand-dark); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid color-mix(in srgb, var(--muted), transparent 75%); box-shadow: none; }

footer { padding: 2.5rem 0; border-top: 1px solid color-mix(in srgb, var(--muted), transparent 85%); }
.foot { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between; color: var(--muted); }
.foot small { opacity: .9; }

.main { min-height: calc(100vh - 140px); }

/* --- FIX: scope mobile hide to top bar only --- */
@media (max-width: 900px) {
  .site-header .navbar > .nav-primary { display: none; }   /* hide top bar links */
  .site-header .burger { display: inline-flex; }           /* show burger */
  .drawer .nav-primary { display: flex; }                  /* ensure links visible inside drawer */
}