/* ==========================================================================
   STN-Labz Dark Metallic Base
   ========================================================================== */
:root {
  --bg: #0f1418;
  --panel: #12181d;
  --panel-light: #1a2026;
  --ink: #e7eaee;
  --muted: #a7afb8;
  --teal: #16c7c2;
  --metal1: #9b9fa6;
  --metal2: #5b616a;
  --line: rgba(255,255,255,.12);
  --glow: 0 0 12px rgba(22, 199, 194, 0.25);
  color-scheme: dark;
}

/* ==========================================================================
   Global / Typography
   ========================================================================== */
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: 0.2px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.25px;
  margin-top: 0;
  text-shadow: 0 0 3px rgba(0,0,0,0.5);
}

h1 {
  font-size: 2.2rem;
  background: linear-gradient(90deg, var(--metal1), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: var(--glow);
}

h2 {
  font-size: 1.6rem;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.25rem;
}

p {
  color: var(--muted);
  font-weight: 400;
  margin-bottom: 1.2rem;
  max-width: 75ch;
}

strong { color: var(--teal); font-weight: 600; }

/* Links */
a {
  color: var(--teal);
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: #19e2dc;
  text-decoration: underline;
}

a:visited { 
  color: var(--teal);
}

/* ==========================================================================
   Layout / Containers / Sections
   ========================================================================== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  margin: 2rem auto 3rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* ==========================================================================
   Header (brand / nav)
   ========================================================================== */
.brand { display:flex; align-items:center; gap:12px; }
.brand img { height:34px; width:auto; object-fit:contain; }
.brand span { font-weight:800; letter-spacing:.2px; }


/* ===============================================
   NAVIGATION LINKS — STN-Labz Metallic Teal Theme
   =============================================== */
.nav-row {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-left: 20px;
  margin-right: 20px;
}

.nav-links a {
  color: var(--teal, #16c7c2);
  font-weight: 500;
  text-decoration: none;
  position: relative;
  transition: all 0.25s ease;
  padding-bottom: 4px;
}

/* Hover: faint metallic sheen */
.nav-links a:hover {
  opacity: 0.9;
}

/* Active (current page): bold + metallic underline */
.nav-links a.active {
  font-weight: 700;
}

/* Custom metallic underline for active link */
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--metal1, #9b9fa6),
    var(--teal, #16c7c2),
    #19e2dc
  );
  box-shadow: 0 0 6px rgba(22, 199, 194, 0.4);
  border-radius: 2px;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero-wrap {
  display: grid;
  grid-template-columns: auto 1fr; /* logo | text */
  align-items: center;
  gap: 2rem;
  padding: 3rem 0;
  margin-top: 2rem;
  border-bottom: 1px solid var(--line);
}
.hero-logo {
  width: 140px; height: auto; object-fit: contain;
  filter: drop-shadow(0 3px 6px rgba(0,0,0,0.4));
  border-radius: 12px;
  /* new padding to keep image off left edge */
  margin-left: 1.5rem;      /* buffer from container edge */
}
.hero-title {
  font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem;
  background: linear-gradient(90deg, var(--metal1), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-shadow: var(--glow);
}
.hero-tag { font-size: 1.1rem; font-weight: 500; color: var(--muted); margin-bottom: 1rem; }
.hero-lead { font-size: 1rem; color: var(--muted); margin-bottom: 1.5rem; max-width: 70ch; }

/* ==========================================================================
   Cards / Grids / Progress
   ========================================================================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem;
  color: var(--ink);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: all 0.2s ease;
}
.card:hover { box-shadow: 0 3px 10px rgba(0,0,0,0.35), 0 0 8px rgba(22,199,194,0.25); transform: translateY(-2px); }

.card h3 { font-size: 1.3rem; margin: 0 0 .5rem; color: var(--teal); font-weight: 600; }
.card h3 a { color: var(--teal); text-decoration: none; }
.card h3 a:hover { color: #19e2dc; text-decoration: underline; }
.card p { color: var(--muted); margin: 0 0 .8rem; font-size: .95rem; line-height: 1.5; }

.progress {
  background: var(--panel-light);
  border: 1px solid var(--line);
  border-radius: 10px;
  height: 10px;
  overflow: hidden;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.5);
}
.progress span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--teal), #19e2dc);
  box-shadow: 0 0 8px rgba(22,199,194,0.4);
  transition: width .5s ease;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border-radius: 10px;
  font-weight: 600;
  background: var(--panel-light);
  color: var(--ink);
  border: 1px solid var(--line);
  transition: all 0.25s ease;
}
.btn.primary { background: linear-gradient(135deg, var(--metal1), var(--metal2)); color: #0c0f11; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 2px 6px rgba(0,0,0,0.4), var(--glow); }

/* ==========================================================================
   Footer
   ========================================================================== */
/* === Global Footer === */
.foot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 1.5rem 0;
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: linear-gradient(180deg, var(--panel) 0%, #0c1014 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
  text-align: center;
  margin-right: 20px;
  margin-left: 20px;
}

.footer-left {
  margin-left: 10px;
  }
  
  .footer-right {
    margin-right: 10px;
}

.footer-left,
.footer-right,
.footer-center {
  flex: 1 1 100%;
  text-align: center;
}

.footer-left small,
.footer-center small,
.footer-right small {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted, #a7afb8);
}

.footer-center a {
  color: var(--teal, #16c7c2);
  text-decoration: none;
}

.footer-center a:hover {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .footer-left,
  .footer-right,
  .footer-center {
    flex: 1;
  }

  .footer-left { text-align: left; }
  .footer-center { text-align: center; }
  .footer-right { text-align: right; }
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.section-title {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.25rem;
  color: var(--ink);
  text-shadow: 0 0 6px rgba(22,199,194,0.2);
}
.muted { color: var(--muted); font-style: italic; text-align: center; padding: 1rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  section { padding: 1.5rem; margin: 1.2rem; }
  .hero-wrap { grid-template-columns: 1fr; text-align: center; }
  .hero-logo { margin: 0 auto 1rem; width: 100px; }
}

@media (max-width: 640px) {
  .foot-row { flex-direction: column; text-align: center; }
}

@media (min-width: 992px) {
  .hero-logo {
    margin-left: 2.5rem;
  }
}

/* ===== Breadcrumbs — STN-Labz style ===== */
.breadcrumbs {
  margin: 0.5rem 0 0.75rem;
  padding: 0.25rem 0;
  font-size: 0.9rem;
  font-style: italic;
  text-align: left;                   /* always left-aligned */
  color: var(--muted, #a7afb8);
}

.breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;        /* left alignment */
  gap: 0.25rem;
}

.breadcrumbs li {
  display: inline;
}

.breadcrumbs li::after {
  content: "|";
  color: var(--metal1, #9b9fa6);
  margin: 0 0.4rem;
  opacity: 0.6;
}

.breadcrumbs li:last-child::after {
  content: none;
}

.breadcrumbs a {
  color: var(--teal, #16c7c2);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs li.active span {
  color: var(--ink, #e7eaee);
  font-weight: 600;
  font-style: normal;
}