/* ==========================================================================
   BLUE RIDGE UNDERGROUND — Event Space
   Design tokens: dark industrial with blue accents, Archivo Black + Inter,
   8px spacing grid.
   ========================================================================== */

:root {
  /* --- Palette --- */
  --color-primary:       #4A7FB5;   /* steel blue — from logo */
  --color-primary-hover:  #3A6A9A;
  --color-accent:        #C4A35A;   /* warm gold — CTAs, warmth */
  --color-accent-hover:  #B08F45;
  --color-dark:          #0F0F12;   /* near-black */
  --color-text:          #E8E6E1;   /* light text on dark */
  --color-muted:         #9B9790;   /* secondary text */
  --color-bg:            #141418;   /* page background */
  --color-bg-alt:        #1A1A1F;   /* alternating sections */
  --color-card:          #1F1F25;
  --color-hero:          #0F0F12;   /* hero background */
  --color-divider:       rgba(255, 255, 255, 0.08);
  --color-white:         #FFFFFF;

  /* --- Typography --- */
  --font-display: 'Archivo Black', Impact, sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* --- Type scale --- */
  --text-h1:    clamp(2.5rem, 5vw, 3.5rem);
  --text-h2:    clamp(1.75rem, 3vw, 2rem);
  --text-h3:    clamp(1.25rem, 2vw, 1.5rem);
  --text-body:  1rem;
  --text-lg:    1.125rem;
  --text-sm:    0.875rem;
  --text-xs:    0.75rem;
  --text-label: 0.6875rem;

  /* --- Spacing (8px grid) --- */
  --space-1:  0.5rem;
  --space-2:  1rem;
  --space-3:  1.5rem;
  --space-4:  2rem;
  --space-5:  3rem;
  --space-6:  4rem;
  --space-7:  6rem;
  --space-8:  8rem;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

::selection {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ---------- Focus (accessibility) ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Typography ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--color-white);
  text-transform: uppercase;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

p + p { margin-top: var(--space-2); }

.label {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ---------- Layout ---------- */
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-7) 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section-header {
  margin-bottom: var(--space-6);
}

.section-header h2 {
  margin-bottom: var(--space-1);
}

/* ---------- Navigation ---------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 15, 18, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: background 0.3s;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.nav-logo:hover { opacity: 0.85; }

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
}

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

.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-dark) !important;
  padding: 0.5rem 1.2rem !important;
  border-radius: 3px;
  font-size: var(--text-label) !important;
  font-weight: 600 !important;
  letter-spacing: 0.12em;
  transition: background 0.2s;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: var(--color-accent-hover) !important;
  color: var(--color-dark) !important;
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  position: absolute;
  left: 0;
  transition: 0.3s;
}

.nav-toggle span:first-child { top: 4px; }
.nav-toggle span:last-child  { bottom: 4px; }

.nav-toggle.open span:first-child {
  transform: rotate(45deg);
  top: 9px;
}
.nav-toggle.open span:last-child {
  transform: rotate(-45deg);
  bottom: 9px;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8) var(--space-4) var(--space-7);
  position: relative;
  overflow: hidden;
  background: var(--color-hero);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(74, 127, 181, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(196, 163, 90, 0.06) 0%, transparent 50%);
  z-index: 0;
}

/* Subtle background image */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.06;
  background-image: url("/images/hero-mic.jpg");
  background-size: cover;
  background-position: center;
  filter: grayscale(100%);
}

.hero-content {
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.hero-logo {
  width: 280px;
  max-width: 70vw;
  margin: 0 auto var(--space-5);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 520px;
  margin: 0 auto var(--space-5);
  line-height: 1.8;
}

.hero-cta {
  display: inline-flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn--fill {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark);
  font-weight: 600;
}

.btn--fill:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-dark);
}

.scroll-hint {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-muted);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: drift 2s ease-in-out infinite;
  z-index: 2;
}

.scroll-hint svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-muted);
}

@keyframes drift {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---------- Quick Stats ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.stat {
  padding: var(--space-2);
}

.stat .number {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--color-accent);
  text-transform: uppercase;
}

.stat .desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-top: 0.25rem;
}

/* ---------- About Split ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: center;
}

.about-text p {
  font-size: var(--text-lg);
  color: var(--color-muted);
}

.about-text h2 {
  margin-bottom: var(--space-3);
}

.about-image img {
  width: 100%;
  border-radius: 4px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- Gallery Grid ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.gallery-item {
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform 0.3s, filter 0.3s;
  filter: grayscale(20%);
}

.gallery-item:hover img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.gallery-item--wide {
  grid-column: span 2;
}

.gallery-item--wide img {
  aspect-ratio: 16 / 7;
}

/* ---------- Pricing Grid ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.price-card {
  background: var(--color-card);
  border: 1px solid var(--color-divider);
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.price-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.price-card--featured {
  border-color: var(--color-accent);
  position: relative;
}

.price-card--featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
}

.price-tier {
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.price-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-body);
  text-transform: none;
  margin-bottom: var(--space-2);
}

.price-amount {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.price-amount span {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-muted);
}

.price-min {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.price-features {
  list-style: none;
  margin-bottom: var(--space-4);
  flex: 1;
}

.price-features li {
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.price-features li:first-child {
  border-top: 1px solid var(--color-divider);
}

.price-example {
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-bottom: var(--space-3);
  padding: var(--space-2);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 3px;
  line-height: 1.6;
}

.price-example strong {
  color: var(--color-white);
}

.price-card .btn {
  text-align: center;
}

.pricing-note {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-card);
  border-left: 3px solid var(--color-accent);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.pricing-note strong {
  color: var(--color-white);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 720px;
}

.faq-item {
  border-bottom: 1px solid var(--color-divider);
}

.faq-item summary {
  padding: var(--space-3) 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-white);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-left: var(--space-2);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item p {
  padding: 0 0 var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.7;
}

/* ---------- Location ---------- */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.location-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.map-embed iframe {
  width: 100%;
  border-radius: 4px;
  filter: grayscale(80%) invert(90%) contrast(90%);
}

/* ---------- Details ---------- */
.detail-block {
  margin-bottom: var(--space-2);
}

.detail-block h3 {
  margin-bottom: var(--space-1);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-body);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.detail-block p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.8;
}

.detail-list {
  list-style: none;
}

.detail-list li {
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}

.detail-list li:first-child {
  border-top: 1px solid var(--color-divider);
}

.detail-list li a {
  color: var(--color-muted);
  transition: color 0.2s;
}

.detail-list li a:hover {
  color: var(--color-accent);
}

/* ---------- Contact Form ---------- */
.contact-block {
  max-width: 640px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-divider);
  background: var(--color-card);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  border-radius: 0;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(196, 163, 90, 0.15);
}

.form-group textarea {
  resize: vertical;
}

.form-group select {
  cursor: pointer;
}

.btn--form {
  align-self: flex-start;
  border-color: var(--color-accent);
  color: var(--color-dark);
  background: var(--color-accent);
  font-weight: 600;
  cursor: pointer;
}

.btn--form:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-dark);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #0A0A0D;
  padding: var(--space-5) 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-name {
  font-family: var(--font-display);
  font-size: var(--text-body);
  color: var(--color-white);
  text-transform: uppercase;
}

.footer-tagline {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

.footer-right {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  text-align: right;
}

.footer-right a {
  color: rgba(255, 255, 255, 0.6);
}

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

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: var(--space-1);
}

.lightbox-close:hover {
  color: var(--color-accent);
}

/* ---------- Screen-reader only ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Event Type Cards ---------- */
.event-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.event-type-card {
  display: block;
  padding: var(--space-5) var(--space-4);
  background: var(--color-card);
  border: 1px solid var(--color-divider);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  color: inherit;
}

.event-type-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  border-color: var(--color-accent);
  color: inherit;
}

.event-type-card h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-body);
  text-transform: none;
  margin-bottom: var(--space-1);
  color: var(--color-accent);
}

.event-type-card p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin: 0;
}

/* ---------- Cross-link ---------- */
.crosslink {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.crosslink h2 {
  margin-bottom: var(--space-2);
}

.crosslink p {
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

/* ---------- Page Hero (subpages) ---------- */
.page-hero {
  padding: calc(64px + var(--space-7)) var(--space-4) var(--space-7);
  background: var(--color-hero);
  position: relative;
  overflow: hidden;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(74, 127, 181, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(196, 163, 90, 0.06) 0%, transparent 50%);
  z-index: 0;
}

.page-hero--short {
  padding-bottom: var(--space-5);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.page-hero-content h1 {
  margin-bottom: var(--space-2);
}

.page-hero-sub {
  font-size: var(--text-lg);
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

/* ---------- Amenities Grid ---------- */
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.amenity {
  padding: var(--space-4);
  background: var(--color-card);
  border: 1px solid var(--color-divider);
}

.amenity h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-body);
  text-transform: none;
  margin-bottom: var(--space-1);
  color: var(--color-accent);
}

.amenity p {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* ---------- FAQ extras ---------- */
.faq-more {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
}

.faq-cta {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-card);
  border-left: 3px solid var(--color-accent);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* ---------- Fade-in animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }

  .about-split,
  .location-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .amenities-grid,
  .event-types {
    grid-template-columns: 1fr 1fr;
  }

  .about-image {
    order: -1;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-item--wide {
    grid-column: span 2;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    min-height: 90vh;
    padding-top: calc(64px + var(--space-6));
  }

  .hero-logo {
    width: 200px;
  }

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

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

@media (max-width: 375px) {
  .hero-logo {
    width: 180px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn {
    text-align: center;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1);
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-item--wide {
    grid-column: span 1;
  }

  .gallery-item--wide img {
    aspect-ratio: 4 / 3;
  }
}