/* ==========================================================================
   Peaky Ben Appreciation Society (#PBAS) - Modern Static Stylesheet
   Ultra-fast, responsive, zero-dependency CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  --font-serif: 'Cinzel', 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-accent: 'Cinzel Decorative', var(--font-serif);

  /* Color Palette: Birmingham 1920s meets modern sleek dark theme */
  --bg-body: #0d0f12;
  --bg-header: rgba(13, 15, 18, 0.85);
  --bg-surface: #15181d;
  --bg-surface-elevated: #1d2128;
  --bg-card: #181c22;
  --bg-card-hover: #212730;
  
  --accent-gold: #cfa851;
  --accent-gold-light: #e5be69;
  --accent-gold-dark: #a88330;
  --accent-gold-glow: rgba(207, 168, 81, 0.2);
  --accent-gold-subtle: rgba(207, 168, 81, 0.08);

  --text-primary: #f0f2f5;
  --text-secondary: #a2abb9;
  --text-muted: #6c7686;
  --text-accent: #dfba6c;

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-card: rgba(207, 168, 81, 0.15);
  --border-card-hover: rgba(207, 168, 81, 0.45);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 4px 20px rgba(207, 168, 81, 0.15);

  --container-max: 1200px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

.site-main {
  flex: 1 0 auto;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-link:hover {
  color: var(--text-primary);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
}

.brand-badge {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.2rem 0.55rem;
  background: var(--accent-gold-subtle);
  color: var(--accent-gold);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  align-items: center;
}

.nav-item a {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width var(--transition-smooth);
}

.nav-item a:hover,
.nav-item a.active {
  color: #ffffff;
}

.nav-item a.active::after,
.nav-item a:hover::after {
  width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Hero Banner Section
   -------------------------------------------------------------------------- */
.hero-banner {
  position: relative;
  padding: 5rem 0 4rem;
  background-color: var(--bg-surface);
  background-image: linear-gradient(to bottom, rgba(13, 15, 18, 0.75), rgba(13, 15, 18, 0.95)), url('../images/header-bg.jpg');
  background-position: center;
  background-size: cover;
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}

.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(207, 168, 81, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 850px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  background: rgba(207, 168, 81, 0.1);
  border: 1px solid var(--border-card);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-tag::before,
.hero-tag::after {
  content: '✦';
  font-size: 0.65rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: #ffffff;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.hero-hashtags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hashtag-pill {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-gold-light);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.hashtag-pill:hover {
  background: var(--accent-gold-subtle);
  border-color: var(--border-card);
  color: #ffffff;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Home Portrait & Quote Showcase
   -------------------------------------------------------------------------- */
.home-showcase-section {
  padding: 4.5rem 0;
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

.portrait-wrapper {
  position: relative;
  text-align: center;
}

.portrait-frame {
  position: relative;
  display: inline-block;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
  background: var(--bg-card);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.portrait-frame:hover {
  transform: translateY(-4px);
  border-color: var(--accent-gold);
}

.portrait-frame img {
  width: 100%;
  max-width: 440px;
  height: auto;
  object-fit: cover;
  display: block;
}

.portrait-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(13, 15, 18, 0.95), transparent);
  padding: 2rem 1.25rem 1rem;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.quote-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  position: relative;
  box-shadow: var(--shadow-md);
}

.quote-card::before {
  content: '“';
  font-family: var(--font-serif);
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  font-size: 5rem;
  line-height: 1;
  color: var(--accent-gold);
  opacity: 0.25;
  pointer-events: none;
}

.quote-eyebrow {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.quote-text {
  font-size: 1.25rem;
  line-height: 1.7;
  color: #ffffff;
  font-style: italic;
  margin-bottom: 1.75rem;
  position: relative;
  z-index: 1;
}

.quote-footer {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.quote-author {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.quote-role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   CTA Buttons & Links
   -------------------------------------------------------------------------- */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gold);
  color: #0d0f12;
  box-shadow: 0 4px 15px rgba(207, 168, 81, 0.3);
}

.btn-primary:hover {
  background: var(--accent-gold-light);
  color: #0d0f12;
  box-shadow: 0 6px 20px rgba(207, 168, 81, 0.45);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold-light);
  background: var(--accent-gold-subtle);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Merchandise Gallery Grid
   -------------------------------------------------------------------------- */
.merch-section {
  padding: 4rem 0 5rem;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-eyebrow {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 2rem;
}

.merch-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
  position: relative;
}

.merch-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-lg), var(--shadow-gold);
}

.merch-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background-color: #0b0d11;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
}

.merch-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform var(--transition-smooth);
}

.merch-card:hover .merch-media img {
  transform: scale(1.05);
}

.merch-zoom-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 15, 18, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.merch-card:hover .merch-zoom-overlay {
  opacity: 1;
}

.zoom-btn-badge {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #0d0f12;
  background: var(--accent-gold);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.merch-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.merch-category {
  font-family: var(--font-serif);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 0.4rem;
}

.merch-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.merch-meta {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.merch-status {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.merch-view-link {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0;
}

.merch-view-link:hover {
  color: var(--accent-gold-light);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Native HTML Dialog Lightbox Modal
   -------------------------------------------------------------------------- */
dialog.lightbox-modal {
  margin: auto;
  max-width: 90vw;
  max-height: 90vh;
  padding: 0;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-card-hover);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  outline: none;
}

dialog.lightbox-modal::backdrop {
  background: rgba(8, 10, 12, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  max-height: 88vh;
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
}

.lightbox-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.lightbox-close {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 1.25rem;
  line-height: 1;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--accent-gold-subtle);
  border-color: var(--border-card);
  color: #ffffff;
}

.lightbox-body {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  background: #090b0e;
}

.lightbox-body img {
  max-width: 100%;
  max-height: 65vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.lightbox-footer {
  padding: 0.85rem 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  text-align: center;
}

/* --------------------------------------------------------------------------
   404 Page Styles
   -------------------------------------------------------------------------- */
.error-page {
  padding: 4rem 0 6rem;
  text-align: center;
}

.error-container {
  max-width: 650px;
  margin: 0 auto;
}

.error-image-wrapper {
  margin: 2rem auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-md);
  max-width: 480px;
}

.error-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.error-code {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.error-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: #ffffff;
  margin-bottom: 1rem;
}

.error-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 1.75rem 0;
  margin-top: auto;
  color: var(--text-secondary);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-gold);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
  background: var(--accent-gold-subtle);
  border-color: var(--border-card);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 860px) {
  .showcase-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .portrait-frame img {
    max-width: 360px;
  }

  .quote-card {
    padding: 2rem;
  }
}

@media (max-width: 720px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem;
    display: none;
    box-shadow: var(--shadow-lg);
  }

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

  .nav-list {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .nav-item {
    width: 100%;
  }

  .nav-item a {
    display: block;
    padding: 0.6rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-subtle);
  }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}