/* ── Reset & Box Model ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Custom Properties ── */
:root {
  --green: #276749;
  --green-dark: #1e5438;
  --green-light: #f0fdf4;
  --green-mid: #d1fae5;
  --green-border: #bbf7d0;
  --navy: #2d3748;
  --navy-dark: #1a202c;
  --text: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --border: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f7fafc;
  --grade-a: #1D9E75;
  --grade-b: #639922;
  --grade-c: #BA7517;
  --grade-d: #E24B4A;
  --grade-f: #A32D2D;
}

/* ── Base Typography ── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
}

/* ── JS Utility Classes ── */
.hidden    { display: none !important; }
.opacity-0 { opacity: 0; }
.scale-95  { transform: scale(0.95); }
.scale-100 { transform: scale(1); }

/* ── Header / Nav ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  height: 64px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-wordmark {
  font-size: 19px;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
}

.nav-logo-dot { color: white; }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: color 0.15s;
}

.nav-links a:hover { color: white; }

.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.12);
  color: white;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 8px;
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: background 0.15s;
}

.btn-nav-cta:hover { background: rgba(255,255,255,0.22); }

/* ── Footer ── */
footer {
  background: var(--navy);
  padding: 48px 24px;
  margin-top: auto;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 800;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.footer-brand-dot { color: white; }

.footer-brand-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  max-width: 240px;
  line-height: 1.5;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 4px;
}

.footer-links-col a {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links-col a:hover { color: white; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

.footer-legal {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

.footer-legal a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

.footer-legal a:hover { color: white; }

/* ── Responsive (nav & footer) ── */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .btn-nav-cta { display: none; }
}

@media (max-width: 640px) {
  .footer-top { flex-direction: column; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}