/* 
 * Antigravity Premium Core Design System
 * Modern Glassmorphism & Sleek Dark/Light Theme Custom Styles
 */

/* ==========================================
   1. Theme Variables & Base Setup
   ========================================== */

:root {
  /* Fonts */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Roboto', 'Inter', system-ui, -apple-system, sans-serif;

  /* Color System - Light Mode (Default) */
  --bg-primary: #ffffff; /* pure white background */
  --bg-secondary: #ffffff; /* header background */
  --bg-tertiary: #f5f6f4; /* soft warm gray/green card bg */
  --bg-glass: rgba(255, 255, 255, 0.95);
  --border-glass: rgba(0, 0, 0, 0.08);
  --text-primary: #111111; /* dark charcoal */
  --text-secondary: #4b5563;
  --text-muted: #9c3a3a;
  --accent: #2e523b; /* forest green button */
  --accent-secondary: #d97706;
  --accent-gradient: #2e523b; /* flat accents, no gradients */
  --accent-gradient-hover: #1e3f19;
  --accent-glow: rgba(46, 82, 59, 0.12);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  --nav-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);

  /* Layout and Transitions */
  --container-width: 1200px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 4px; /* cleaner square edges like screenshot */
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
}

/* Color System - Dark Mode (Night Safari Toggle) */
body.light-mode {
  --bg-primary: #0b1a15; /* deep forest black */
  --bg-secondary: #0f241d;
  --bg-tertiary: #143328;
  --bg-glass: rgba(15, 36, 29, 0.95);
  --border-glass: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #10b981;
  --accent-secondary: #fbbf24;
  --accent-gradient: #10b981;
  --accent-gradient-hover: #059669;
  --accent-glow: rgba(16, 185, 129, 0.15);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --nav-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

/* Reset and Globals */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Background Animated Blobs */
.bg-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.08;
  mix-blend-mode: multiply;
  animation: float-blob 20s infinite alternate ease-in-out;
}

body.light-mode .blob {
  opacity: 0.15;
  mix-blend-mode: screen;
}

.blob-1 {
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: var(--accent);
  animation-duration: 25s;
}

.blob-2 {
  bottom: -10%;
  right: -10%;
  width: 45vw;
  height: 45vw;
  background: var(--accent-secondary);
  animation-duration: 20s;
  animation-delay: -5s;
}

@keyframes float-blob {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(5%, 10%) scale(1.1);
  }
  100% {
    transform: translate(-5%, -5%) scale(0.9);
  }
}

/* Typography & Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

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

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

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

/* ==========================================
   2. Layout & Common Components
   ========================================== */

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Gutenberg Block Alignment Styles */
.site-main > * {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Full-width blocks override the constraints */
.site-main > .alignfull {
  max-width: 100% !important;
  width: 100% !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* Wide-width blocks */
.site-main > .alignwide {
  max-width: 1400px !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Header & Solid Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--nav-shadow);
  transition: background var(--transition-normal), border var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
  padding: 16px 0;
}

/* WordPress Admin Bar Compatibility */
.admin-bar .site-header {
  top: 32px;
}
@media screen and (max-width: 782px) {
  .admin-bar .site-header {
    top: 46px;
  }
}

.site-header.scrolled {
  padding: 12px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.main-navigation a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background: var(--accent-gradient);
  transition: width var(--transition-fast);
}

.main-navigation a:hover::after,
.main-navigation li.current-menu-item a::after {
  width: 100%;
}

.main-navigation a:hover {
  color: var(--text-primary);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  cursor: pointer;
  padding: 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
  width: 40px;
  height: 40px;
}

.theme-toggle-btn:hover {
  background: var(--accent);
  color: #ffffff;
  transform: scale(1.08);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-2px);
}

/* ==========================================
   3. Front Page Sections & Animations
   ========================================== */

/* Hero Section */
.hero-section {
  padding: 180px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  max-width: 750px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

/* Sections Common */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-subtitle {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.section-desc {
  color: var(--text-secondary);
}

/* Glass Card Grid */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  color: var(--accent);
  border: 1px solid var(--border-glass);
}

.glass-card:hover .card-icon {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Portfolio Gallery */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  box-shadow: var(--card-shadow);
  aspect-ratio: 4 / 3;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(11, 15, 25, 0.95) 0%, rgba(11, 15, 25, 0.4) 50%, rgba(11, 15, 25, 0) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-cat {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.portfolio-title {
  font-size: 1.5rem;
  color: #ffffff;
  margin-bottom: 12px;
}

/* Interactive Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.info-item {
  display: flex;
  gap: 16px;
  align-items: center;
}

.info-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-form-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-lg);
  padding: 48px;
  box-shadow: var(--card-shadow);
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Footer styles */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================
   4. Scroll Animations (Intersection Observer)
   ========================================== */

.reveal-element {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.reveal-element.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Styles */
@media (max-width: 991px) {
  .hero-title {
    font-size: 3rem;
  }
  .contact-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 16px 0;
  }
  .site-header.scrolled {
    padding: 10px 0;
  }
  .nav-container {
    flex-wrap: wrap;
  }
  .main-navigation {
    width: 100%;
    order: 3;
    margin-top: 16px;
    display: none; /* Can be toggled in JS for a mobile menu later if needed */
  }
  .main-navigation.active {
    display: block;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* ==========================================
   5. Gutenberg Core Block Integrations & Tweaks
   ========================================== */

/* Standard layout block styles */
.entry-content .alignfull {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
  width: 100vw;
}

.entry-content .alignwide {
  margin-left: calc(24px - (100vw - var(--container-width)) / 2);
  margin-right: calc(24px - (100vw - var(--container-width)) / 2);
  max-width: 100vw;
}

@media (max-width: 1200px) {
  .entry-content .alignwide {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
  }
}

/* Cover Block styling */
.wp-block-cover {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-glass);
  box-shadow: var(--card-shadow);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: background-color var(--transition-normal);
}

.wp-block-cover.alignfull {
  border-radius: 0;
  border-left: none;
  border-right: none;
}

.wp-block-cover__inner-container {
  max-width: var(--container-width);
  width: 100%;
  padding: 0 24px;
}

.wp-block-cover h1, 
.wp-block-cover h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  margin-bottom: 20px;
}

.wp-block-cover p {
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  max-width: 650px;
  margin: 0 auto 30px;
}

/* Button block integration */
.wp-block-button__link {
  display: inline-block;
  padding: 14px 32px !important;
  border-radius: var(--border-radius-sm) !important;
  font-family: var(--font-body);
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  text-align: center;
  transition: all var(--transition-fast) !important;
  border: none !important;
  box-shadow: 0 4px 15px var(--accent-glow);
  text-decoration: none;
}

.wp-block-button:not(.is-style-outline) .wp-block-button__link {
  background: var(--accent-gradient) !important;
  color: #ffffff !important;
}

.wp-block-button:not(.is-style-outline) .wp-block-button__link:hover {
  background: var(--accent-gradient-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.wp-block-button.is-style-outline .wp-block-button__link {
  background: var(--bg-tertiary) !important;
  border: 1px solid var(--border-glass) !important;
  color: var(--text-primary) !important;
  box-shadow: none;
}

.wp-block-button.is-style-outline .wp-block-button__link:hover {
  background: var(--bg-secondary) !important;
  border-color: var(--accent) !important;
  transform: translateY(-2px);
}

/* Columns & Groups inside page */
.wp-block-columns {
  gap: 32px !important;
}

.wp-block-column {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.entry-content ul {
  margin-left: 24px;
  margin-bottom: 24px;
}

.entry-content li {
  margin-bottom: 12px;
}

/* ==========================================
   6. City Zoo Custom Styling Overrides
   ========================================== */

/* Main Navigation items matching cityzoo.org */
.main-navigation a {
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.05em !important;
  text-transform: uppercase !important;
  color: var(--text-primary) !important;
  transition: color var(--transition-fast) !important;
}

.main-navigation a::after {
  background: var(--accent) !important;
}

/* Donate Button in Header */
.btn-donate {
  display: inline-block;
  background: var(--accent) !important; /* forest green */
  color: #ffffff !important;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 10px 22px;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: background var(--transition-fast), transform var(--transition-fast);
  border: none;
}

.btn-donate:hover {
  background: var(--accent-gradient-hover) !important;
  transform: translateY(-1px);
}

/* Cover Block Typography */
.wp-block-cover h1 {
  font-family: var(--font-heading) !important;
  font-size: 5rem !important;
  font-weight: 700 !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4) !important;
  margin-bottom: 16px !important;
}

.wp-block-cover p {
  font-family: var(--font-body) !important;
  font-size: 1.35rem !important;
  font-weight: 400 !important;
  line-height: 1.5 !important;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4) !important;
  max-width: 750px !important;
  margin: 0 auto 30px !important;
}

/* Cover Buttons Override */
/* Button 1 (Explore Animals - Solid White) */
.button-explore .wp-block-button__link {
  background: #ffffff !important;
  color: #2e523b !important; /* dark forest green */
  border: 2px solid #ffffff !important;
  border-radius: 6px !important;
  font-weight: 700 !important;
  padding: 14px 32px !important;
  font-size: 1rem !important;
}

.button-explore .wp-block-button__link:hover {
  background: #f3f4f6 !important;
  border-color: #f3f4f6 !important;
  transform: translateY(-2px);
}

/* Button 2 (Plan Your Visit - Outline White) */
.button-plan .wp-block-button__link {
  background: transparent !important;
  color: #ffffff !important;
  border: 2px solid #ffffff !important;
  border-radius: 6px !important;
  font-weight: 700 !important;
  padding: 14px 32px !important;
  font-size: 1rem !important;
}

.button-plan .wp-block-button__link:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  transform: translateY(-2px);
}

/* Fix columns alignment shifting bug */
.site-main .wp-block-columns.alignfull {
  margin-left: auto !important;
  margin-right: auto !important;
  max-width: var(--container-width) !important;
  width: 100% !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
}