/* 1: Module: ShipwrightsStyleSheet */
/* 2: Path: shipwrights.rochestermilitary.org/css/style.css */
/* 3: Inputs: Custom CSS variables, modern browser layout engine */
/* 4: Exports: Global theme, navigation, responsive grids, gallery lightbox, document tables */
/* 5: Purpose: Visual styling for Model Shipwrights Guild of WNY static replica */

:root {
  --color-primary: #0f2238;
  --color-primary-light: #1c3d64;
  --color-primary-dark: #08121e;
  --color-accent: #c59b27;
  --color-accent-hover: #e0b43c;
  --color-accent-light: #fef8e7;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-border: #e2e8f0;
  --color-success: #15803d;
  --font-heading: 'Georgia', 'Times New Roman', serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --container-max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --transition: all 0.2s ease-in-out;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.25rem; font-weight: 700; }
h2 { font-size: 1.75rem; font-weight: 600; }
h3 { font-size: 1.35rem; font-weight: 600; }
h4 { font-size: 1.15rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-primary-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

a:hover {
  color: var(--color-accent);
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Header & Navigation */
.site-header {
  background-color: var(--color-primary);
  color: #ffffff;
  border-bottom: 3px solid var(--color-accent);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: #ffffff;
}

.brand-wrapper:hover {
  color: var(--color-accent-light);
  text-decoration: none;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
}

.nav-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.25rem;
}

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

.main-nav li {
  position: relative;
}

.main-nav a {
  color: #e2e8f0;
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-block;
  transition: var(--transition);
}

.main-nav a:hover, .main-nav a.active {
  background-color: var(--color-primary-light);
  color: var(--color-accent);
}

/* Dropdown menus - strictly hidden by default */
.nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-primary);
  min-width: 240px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-primary-light);
  border-top: 2px solid var(--color-accent);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 0.5rem 0;
  z-index: 110;
  list-style: none;
  margin: 0;
}

.has-dropdown:hover > .nav-dropdown,
.has-dropdown:focus-within > .nav-dropdown,
.has-dropdown.open > .nav-dropdown {
  display: flex;
  flex-direction: column;
}

.nav-dropdown li {
  display: block;
  width: 100%;
}

.nav-dropdown a {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  white-space: nowrap;
  font-size: 0.9rem;
  border-radius: 0;
}

.nav-dropdown a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-accent);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #ffffff;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.hero-section h1 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.hero-section p {
  color: #cbd5e1;
  font-size: 1.15rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(197, 155, 39, 0.15);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.25rem;
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 2.5rem 0;
}

.content-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
  margin-bottom: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
  color: #ffffff;
  text-decoration: none;
}

/* Photo Gallery & Cards */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.gallery-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.gallery-img-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: #0b1726;
  cursor: pointer;
}

.gallery-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-card:hover .gallery-img-wrapper img {
  transform: scale(1.04);
}

.gallery-card-body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.gallery-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.gallery-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

/* Modal Lightbox (<dialog>) */
.lightbox-dialog {
  margin: auto;
  max-width: 90vw;
  max-height: 90vh;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 0;
  background: var(--color-primary-dark);
  color: #ffffff;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
}

.lightbox-dialog::backdrop {
  background-color: rgba(8, 18, 30, 0.85);
  backdrop-filter: blur(4px);
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.lightbox-content img {
  max-width: 85vw;
  max-height: 75vh;
  object-fit: contain;
}

.lightbox-caption {
  padding: 1rem;
  text-align: center;
  font-size: 1rem;
  color: #cbd5e1;
  width: 100%;
}

.lightbox-close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  font-size: 1.5rem;
  line-height: 1;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.lightbox-close-btn:hover {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
}

/* Document & PDF Repository */
.doc-search-wrapper {
  margin-bottom: 1.5rem;
}

.doc-search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
}

.doc-search-input:focus {
  border-color: var(--color-accent);
  outline: none;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.doc-table th, .doc-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.doc-table th {
  background-color: var(--color-bg);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.doc-table tr:hover td {
  background-color: rgba(197, 155, 39, 0.05);
}

.doc-icon {
  color: #b91c1c;
  font-weight: bold;
  margin-right: 0.5rem;
}

.doc-badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background-color: #e2e8f0;
  color: var(--color-text-muted);
}

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
}

.form-control:focus {
  border-color: var(--color-accent);
  outline: none;
}

/* Collapsible Sections */
details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  background-color: var(--color-surface);
}

summary {
  padding: 1rem;
  font-weight: 600;
  cursor: pointer;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-accent);
}

details[open] summary::after {
  content: '−';
}

details[open] summary {
  border-bottom: 1px solid var(--color-border);
}

.details-content {
  padding: 1rem;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #94a3b8;
  padding: 3rem 0 1.5rem;
  border-top: 3px solid var(--color-accent);
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h3 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.35rem;
  display: inline-block;
}

.footer-col p {
  font-size: 0.9rem;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

.footer-bottom a {
  color: var(--color-accent);
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .nav-toggle-btn {
    display: block;
  }

  .main-nav {
    display: none;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
    padding: 1rem 0;
  }

  .main-nav.open {
    display: block;
  }

  .main-nav > ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .main-nav li {
    width: 100%;
  }

  .main-nav a {
    display: block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
  }

  .nav-dropdown {
    display: none;
    position: static;
    box-shadow: none;
    border: none;
    background-color: var(--color-primary-dark);
    padding-left: 1.5rem;
  }

  .has-dropdown.open > .nav-dropdown {
    display: flex;
    flex-direction: column;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}