/* ==========================================================================
   Lentz Lab (`lentzlab.dev`) Public Stylesheet
   Grounded Systems Architecture & Medieval Feudal Showcase
   ========================================================================== */

:root {
  --bg-deep: #0c0e12;
  --bg-surface: #141820;
  --bg-card: #1b212c;
  --bg-card-hover: #222a38;
  --border-subtle: #2d3748;
  --border-prominent: #4a5568;
  
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-bright: #ffffff;
  
  --gold-accent: #d4af37;
  --gold-hover: #f1c40f;
  --gold-muted: #8c7322;
  --gold-bg: rgba(212, 175, 55, 0.08);

  --iron-dark: #1e242d;
  --iron-border: #3b4452;

  --parchment-bg: #1c1a17;
  --parchment-border: #443c33;
  --parchment-text: #e6dfd5;
  --parchment-gold: #c8a652;

  --green-status: #10b981;
  --amber-status: #f59e0b;
  --blue-accent: #38bdf8;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Apple Garamond", "Baskerville", "Times New Roman", "Droid Serif", Times, Source Serif Pro, serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  
  --container-max: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--gold-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--gold-hover);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Layout Components & Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(12, 14, 18, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--gold-accent), #8c7322);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #0c0e12;
  font-family: var(--font-serif);
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-bright);
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--gold-accent);
  text-decoration: none;
}

.nav-badge {
  background-color: var(--gold-bg);
  border: 1px solid var(--gold-muted);
  color: var(--gold-accent);
  padding: 0.2rem 0.5rem;
  font-size: 0.7rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 0.25rem;
}

/* --------------------------------------------------------------------------
   Container & Typography
   -------------------------------------------------------------------------- */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1, h2, h3, h4, h5 {
  color: var(--text-bright);
  font-weight: 700;
  line-height: 1.25;
}

.font-serif {
  font-family: var(--font-serif);
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

.section-lead {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 780px;
  margin-bottom: 2rem;
}

/* --------------------------------------------------------------------------
   Hero Section (Lentz Lab)
   -------------------------------------------------------------------------- */

.lab-hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.06), transparent 50%);
}

.lab-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-prominent);
  border-radius: 9999px;
  font-size: 0.8rem;
  color: var(--gold-accent);
  margin-bottom: 1.25rem;
}

.lab-hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  max-width: 900px;
}

.lab-hero-desc {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 750px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Cards & Grids
   -------------------------------------------------------------------------- */

.grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.grid-cols-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-prominent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.flagship-hero-card {
  background: linear-gradient(145deg, #181d26, #11151c);
  border: 1px solid var(--gold-muted);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 860px) {
  .flagship-hero-card {
    grid-template-columns: 1.2fr 1fr;
  }
}

.flagship-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--gold-bg);
  border: 1px solid var(--gold-accent);
  color: var(--gold-accent);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.flagship-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-accent), #a38220);
  color: #0c0e12;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-hover), var(--gold-accent));
  color: #0c0e12;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-prominent);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-bright);
  text-decoration: none;
}

.btn-gated {
  background-color: #262c38;
  color: var(--text-muted);
  border: 1px dashed var(--border-prominent);
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   Publications & Dispatches Section
   -------------------------------------------------------------------------- */

.dispatch-item {
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
}

.dispatch-item:last-child {
  border-bottom: none;
}

.dispatch-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.dispatch-tag {
  background-color: rgba(56, 189, 248, 0.1);
  color: var(--blue-accent);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

.dispatch-title {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--text-bright);
}

.dispatch-summary {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Crown & Crucible Showcase Theme (Parchment & Hammered Iron)
   -------------------------------------------------------------------------- */

.cc-showcase-body {
  background-color: #0d0f14;
  color: #d1d5db;
}

.cc-hero-banner {
  background: linear-gradient(180deg, rgba(13, 15, 20, 0.3) 0%, #0d0f14 100%),
              radial-gradient(circle at 50% 30%, rgba(200, 166, 82, 0.15), transparent 70%);
  padding: 4.5rem 0 3rem;
  text-align: center;
  border-bottom: 1px solid #2d261e;
}

.cc-crest-seal {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 4px 12px rgba(200, 166, 82, 0.4));
}

.cc-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.02em;
  color: #f7ecd5;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.8);
  margin-bottom: 0.5rem;
}

.cc-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--parchment-gold);
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.cc-pills-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.cc-pill {
  background-color: #191612;
  border: 1px solid #44382c;
  color: #d4c5b2;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

/* --------------------------------------------------------------------------
   Screenshots Gallery & Modal
   -------------------------------------------------------------------------- */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-card {
  background-color: #161411;
  border: 1px solid #3d3429;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.gallery-card:hover {
  transform: translateY(-4px);
  border-color: var(--parchment-gold);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: #0c0b09;
  display: block;
}

.gallery-caption {
  padding: 1rem;
}

.gallery-caption h4 {
  font-size: 1rem;
  color: #f3ede2;
  margin-bottom: 0.25rem;
}

.gallery-caption p {
  font-size: 0.85rem;
  color: #a89f91;
}

/* Modal lightbox */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  background-color: #181613;
  border: 1px solid var(--parchment-gold);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  position: relative;
}

.lightbox-image {
  max-width: 100%;
  max-height: 70vh;
  display: block;
  object-fit: contain;
  background-color: #000;
}

.lightbox-footer {
  padding: 1rem 1.5rem;
  background-color: #14120f;
  border-top: 1px solid #2d261e;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid #555;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Feature Pillars & Tabs
   -------------------------------------------------------------------------- */

.pillar-panel {
  background-color: #171512;
  border: 1px solid #382f25;
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.pillar-category-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--parchment-gold);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #fbf6ec;
  margin-bottom: 0.75rem;
}

.pillar-desc {
  font-size: 0.95rem;
  color: #bfb5a5;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   The Seven Isles Map Cards
   -------------------------------------------------------------------------- */

.isle-card {
  background-color: #161411;
  border: 1px solid #332b21;
  border-left: 4px solid var(--parchment-gold);
  border-radius: 8px;
  padding: 1.25rem;
}

.isle-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #f7ecd5;
  margin-bottom: 0.25rem;
}

.isle-character {
  font-size: 0.8rem;
  color: var(--parchment-gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.isle-desc {
  font-size: 0.88rem;
  color: #ada293;
}

/* --------------------------------------------------------------------------
   Milestone Roadmap Timeline
   -------------------------------------------------------------------------- */

.timeline {
  position: relative;
  margin: 2rem 0;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  background-color: #382f25;
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--green-status);
  border: 3px solid #14120f;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.timeline-dot.future {
  background-color: var(--amber-status);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.timeline-title {
  font-size: 1.15rem;
  color: #f5eee3;
  margin-bottom: 0.25rem;
}

.timeline-meta {
  font-size: 0.78rem;
  color: var(--parchment-gold);
  margin-bottom: 0.5rem;
}

.timeline-body {
  font-size: 0.9rem;
  color: #a89e90;
}

/* --------------------------------------------------------------------------
   Release Card & Verification Status
   -------------------------------------------------------------------------- */

.release-card {
  background: linear-gradient(145deg, #181512, #100f0d);
  border: 1px solid var(--parchment-gold);
  border-radius: 12px;
  padding: 2.25rem;
  position: relative;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.verification-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--green-status);
  color: var(--green-status);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.specs-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid #2d261e;
}

.specs-table td:first-child {
  color: #9c9182;
  width: 35%;
  font-weight: 600;
}

.specs-table td:last-child {
  color: #f1ebd8;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.checksum-box {
  background-color: #0c0b09;
  border: 1px solid #2d261e;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #8c8273;
  word-break: break-all;
  margin-bottom: 1.5rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  background-color: #0a0b0e;
  padding: 3.5rem 0 2rem;
  margin-top: 4rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--text-bright);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1c212a;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */

@media (max-width: 768px) {
  .site-nav {
    display: none; /* simple mobile fallback */
  }
  .lab-hero-title {
    font-size: 2.25rem;
  }
  .cc-title {
    font-size: 2.75rem;
  }
}