/* SouthStack shared styles */
:root {
  --green: #4caf7d;
  --green-dim: rgba(76, 175, 125, 0.12);
  --green-border: rgba(76, 175, 125, 0.25);
  --bg: #0a0f0a;
  --surface: #111611;
  --surface2: #161d16;
  --border: rgba(255,255,255,0.06);
  --text: #ffffff;
  --muted: #666;
  --muted2: #444;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(10,15,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--green); }

.nav-logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  opacity: 0.9;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  background: var(--green) !important;
  color: #000 !important;
  font-weight: 600 !important;
  padding: 0.45rem 1rem !important;
}

.nav-cta:hover {
  background: #5cc98d !important;
}

/* HAMBURGER */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--muted);
  border-radius: 2px;
  transition: 0.3s;
}

/* PAGE WRAPPER */
.page {
  padding-top: 72px;
}

/* SECTIONS */
section {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1rem;
}

h1.page-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

h2.section-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

h1 span, h2 span { color: var(--green); }

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 600px;
}

/* CARDS */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: var(--green-border);
  transform: translateY(-2px);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

/* BADGE */
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid var(--green-border);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
}

.badge-muted {
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
}

/* DIVIDER */
hr.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  text-decoration: none;
  color: var(--muted2);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--muted); }

.footer-copy {
  font-size: 0.78rem;
  color: var(--muted2);
  letter-spacing: 0.05em;
}

/* SOCIALS */
.socials {
  display: flex;
  gap: 0.6rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  color: var(--muted2);
  text-decoration: none;
  transition: all 0.2s;
}

.social-link:hover {
  background: var(--green-dim);
  border-color: var(--green-border);
  color: var(--green);
  transform: translateY(-2px);
}

.social-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* BTN */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--green);
  color: #000;
}

.btn-primary:hover { background: #5cc98d; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--green-border);
  color: var(--green);
  transform: translateY(-1px);
}

/* RESPONSIVE */
@media (max-width: 680px) {
  nav { padding: 1rem 1.25rem; }
  .nav-links { display: none; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: var(--surface);
    border-bottom: 1px solid var(--border); padding: 1rem; gap: 0.25rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  section { padding: 3.5rem 1.25rem; }
}