@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ===========================
   TOKENS — Light, minimal, high readability
=========================== */
:root {
  --c-bg:        #f7f8fa;
  --c-bg2:       #f0f1f4;
  --c-surface:   #ffffff;
  --c-surface2:  #f4f5f8;
  --c-surface3:  #eceef2;

  --c-border:    rgba(0,0,0,0.07);
  --c-border2:   rgba(0,0,0,0.11);
  --c-border3:   rgba(0,0,0,0.20);

  --c-text:      #111318;
  --c-muted:     #8a909e;
  --c-mid:       #4a5060;

  --c-green:     #0a7c5c;
  --c-green2:    #076648;
  --c-green3:    #055236;
  --c-green-dim: rgba(10,124,92,0.07);
  --c-green-glow:rgba(10,124,92,0.14);
  --c-green-light:rgba(10,124,92,0.07);

  --c-red:       #d93025;
  --c-amber:     #c47a00;
  --c-amber-bg:  rgba(196,122,0,0.08);

  --f-sans: 'Inter', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;
  --r-2xl: 24px;

  --transition: 0.16s cubic-bezier(0.4,0,0.2,1);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
  --shadow-green: 0 0 20px rgba(10,124,92,0.10);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  background: var(--c-bg);
  color: var(--c-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
img { display: block; max-width: 100%; }

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: var(--c-bg);
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border2);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  color: var(--c-text);
}
.nav-logo img { width: 26px; height: 26px; }
.nav-logo-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  animation: blink 2.8s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity:1; }
  50%      { opacity:0.25; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}
.nav-links a {
  display: block;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--c-mid);
  border-radius: var(--r-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--c-text); background: var(--c-surface2); }
.nav-links a.active { color: var(--c-green); background: var(--c-green-dim); font-weight: 600; }

.nav-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  background: var(--c-green-dim);
  border: 1px solid rgba(10,124,92,0.22);
  border-radius: 100px;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-green);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.nav-pill::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-green);
  animation: blink 2.8s ease-in-out infinite;
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-mid);
  border-radius: 2px;
}

/* FOOTER */
.site-footer {
  margin-top: 80px;
  border-top: 1px solid var(--c-border2);
  padding: 52px 40px 32px;
  background: var(--c-surface);
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto 40px;
}
.footer-brand p {
  margin-top: 12px;
  font-size: 13px;
  color: var(--c-muted);
  line-height: 1.7;
  max-width: 220px;
  font-family: var(--f-mono);
}
.footer-col h4 {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--c-muted);
  margin-bottom: 14px;
  font-family: var(--f-mono);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { font-size: 14px; color: var(--c-mid); font-weight: 500; transition: color var(--transition); }
.footer-col a:hover { color: var(--c-green); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
  font-size: 12px;
  color: var(--c-muted);
  font-family: var(--f-mono);
}

/* PAGE WRAPPER */
.page-content {
  position: relative;
  z-index: 1;
  max-width: 840px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}
.page-hero { margin-bottom: 44px; }
.page-tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-green);
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 4px 11px;
  background: var(--c-green-dim);
  border-radius: var(--r-sm);
  border: 1px solid rgba(10,124,92,0.18);
}
.page-hero h1 {
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--c-text);
}
.page-hero p {
  margin-top: 14px;
  font-size: 15px;
  color: var(--c-mid);
  line-height: 1.75;
  max-width: 540px;
  font-family: var(--f-mono);
}

/* PROSE */
.prose {
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--r-2xl);
  padding: 44px 52px;
  box-shadow: var(--shadow-sm);
}
.prose h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin: 40px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border2);
}
.prose h2:first-child { margin-top: 0; }
.prose p { font-size: 14.5px; color: var(--c-mid); line-height: 1.85; margin-bottom: 14px; }
.prose ul, .prose ol { margin: 0 0 14px 20px; }
.prose li { font-size: 14.5px; color: var(--c-mid); line-height: 1.8; margin-bottom: 8px; }
.prose strong { color: var(--c-text); font-weight: 600; }
.prose a { color: var(--c-green); font-weight: 600; }
.prose a:hover { text-decoration: underline; }

/* CONTACT CARDS */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-bottom: 32px;
}
.contact-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--r-xl);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.contact-card:hover { border-color: rgba(10,124,92,0.30); box-shadow: var(--shadow-green); transform: translateY(-2px); }
.contact-card-icon { font-size: 26px; margin-bottom: 14px; }
.contact-card h3 { font-size: 16px; font-weight: 700; color: var(--c-text); margin-bottom: 10px; }
.contact-card p { font-size: 13px; color: var(--c-muted); line-height: 1.7; margin-bottom: 14px; }
.contact-card a.link-green { font-size: 13px; color: var(--c-green); font-weight: 600; }
.contact-card a.link-green:hover { text-decoration: underline; }

/* BUTTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: var(--c-green);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary:hover { background: var(--c-green2); transform: translateY(-1px); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-pill { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .site-footer { padding: 36px 20px 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .prose { padding: 24px 20px; }
}