/* ============================================
   FUTURISTIC ART FRAME SELECTION - STYLES
   Variable Geometry Design System
   ============================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-museum-gray: #222222;
  --color-prism-white: #FFFFFF;
  --color-neon-gallerist: #D1FF00;
  --color-glass-shadow: rgba(0, 240, 255, 0.1);
  --color-dark-bg: #1a1a1a;
  --color-light-bg: #f8f8f8;
  --color-text-primary: #222222;
  --color-text-secondary: #666666;
  --color-border: rgba(255, 255, 255, 0.1);
  
  /* Typography */
  --font-primary: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Layout */
  --container-max-width: 1200px;
  --section-padding: 4rem 1rem;
  --border-radius: 8px;
  --border-radius-lg: 16px;
  
  /* Effects */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --glass-blur: blur(10px);
}

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

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

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-primary);
  background-color: var(--color-prism-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(1.4rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.2rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

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

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

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.site-header {
  background: rgba(34, 34, 34, 0.95);
  backdrop-filter: var(--glass-blur);
  padding: var(--space-md) 0;
  position: relative;
  z-index: 999;
  border-bottom: 1px solid var(--color-border);
}

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

.brand-name {
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-prism-white);
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  gap: 15px;
  list-style: none;
  align-items: center;
}

.nav-menu li a {
  color: var(--color-prism-white);
  font-weight: var(--font-weight-medium);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  transition: var(--transition-medium);
}

.nav-menu li a:hover {
  color: var(--color-neon-gallerist);
  background: rgba(209, 255, 0, 0.1);
}

/* Burger Menu Button - Always at end of header */
.burger-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-prism-white);
  color: var(--color-prism-white);
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  transition: var(--transition-medium);
  position: relative;
  z-index: 101;
}

.burger-toggle:hover {
  border-color: var(--color-neon-gallerist);
  color: var(--color-neon-gallerist);
}

.burger-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: var(--transition-medium);
}

.burger-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.burger-toggle.active span:nth-child(2) {
  opacity: 0;
}

.burger-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Menu - Opens separately */
.mobile-nav {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(34, 34, 34, 0.98);
  backdrop-filter: var(--glass-blur);
  z-index: 100000;
  padding: var(--space-xxl) var(--space-md);
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
  pointer-events: none;
  overflow-y: auto;
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: transparent;
  border: 2px solid var(--color-neon-gallerist);
  color: var(--color-neon-gallerist);
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  transition: var(--transition-medium);
  z-index: 100001;
}

.mobile-nav-close:hover {
  background: var(--color-neon-gallerist);
  color: var(--color-museum-gray);
}

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  text-align: center;
  margin-top: 60px;
  width: 100%;
  max-width: 400px;
}

.mobile-nav ul li {
  width: 100%;
}

.mobile-nav ul li a {
  font-size: 1.5rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-prism-white);
  padding: var(--space-md);
  display: block;
  transition: var(--transition-medium);
  width: 100%;
  border-radius: var(--border-radius);
}

.mobile-nav ul li a:hover {
  color: var(--color-neon-gallerist);
  background: rgba(209, 255, 0, 0.1);
}

/* Main Content */
main {
  min-height: calc(100vh - 200px);
}

/* Hero Banner - Full Width */
.hero-banner {
  width: 100vw;
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(34, 34, 34, 0.85), rgba(0, 240, 255, 0.1));
  z-index: 1;
}

.hero-banner img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-prism-white);
  padding: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  color: var(--color-prism-white);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  margin-bottom: var(--space-lg);
}

/* Section Styles */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  font-weight: var(--font-weight-bold);
}

.section-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Grid Layouts - Improved Centering */
.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) auto 0;
  width: 100%;
  max-width: 100%;
  justify-items: center;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) auto 0;
  width: 100%;
  max-width: 100%;
  justify-items: center;
}

.grid-four {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) auto 0;
  width: 100%;
  max-width: 100%;
  justify-items: center;
}

/* Card Styles */
.card {
  background: var(--color-prism-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-medium);
  border: 1px solid var(--color-border);
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  transition: var(--transition-medium);
}

.card:hover .card-image {
  transform: scale(1.05) rotateY(5deg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.card-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

/* Banner Section with Image Under Text */
.banner-section {
  width: 100vw;
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: var(--space-xl) calc(-50vw + 50%);
}

.banner-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(34, 34, 34, 0.75), rgba(0, 240, 255, 0.15));
  z-index: 1;
}

.banner-section img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-prism-white);
  padding: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.banner-content h2 {
  color: var(--color-prism-white);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.banner-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-prism-white);
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: var(--transition-medium);
  background: var(--color-prism-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-neon-gallerist);
  box-shadow: 0 0 0 3px rgba(209, 255, 0, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 4px;
}

.checkbox-group label {
  font-size: 0.9rem;
  font-weight: var(--font-weight-regular);
}

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-museum-gray);
  color: var(--color-prism-white);
  border: 2px solid var(--color-museum-gray);
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-medium);
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background: var(--color-neon-gallerist);
  color: var(--color-museum-gray);
  border-color: var(--color-neon-gallerist);
}

.btn-primary {
  background: var(--color-neon-gallerist);
  color: var(--color-museum-gray);
  border-color: var(--color-neon-gallerist);
}

.btn-primary:hover {
  background: var(--color-museum-gray);
  color: var(--color-neon-gallerist);
}

/* Google Maps */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* Contact Info */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.contact-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-light-bg);
  border-radius: var(--border-radius-lg);
}

.contact-item h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.contact-item p {
  color: var(--color-text-secondary);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.product-card {
  background: var(--color-prism-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-medium);
  border: 1px solid var(--color-border);
}

.product-card:hover {
  transform: translateY(-8px) rotateY(3deg);
  box-shadow: var(--shadow-lg);
}

.product-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.product-info {
  padding: var(--space-lg);
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.product-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.product-price {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-museum-gray);
}

/* Footer */
.site-footer {
  background: var(--color-museum-gray);
  color: var(--color-prism-white);
  padding: var(--space-xl) 0;
  margin-top: var(--space-xxl);
}

.footer-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.footer-section h3 {
  color: var(--color-prism-white);
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

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

.footer-section ul li {
  margin-bottom: var(--space-xs);
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.footer-section ul li a:hover {
  color: var(--color-neon-gallerist);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  color: rgba(255, 255, 255, 0.6);
}

/* Thank You Page */
.thank-you-container {
  max-width: 600px;
  margin: var(--space-xxl) auto;
  text-align: center;
  padding: var(--space-xl);
}

.thank-you-container h1 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.thank-you-container p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

/* 404 Page */
.error-container {
  max-width: 600px;
  margin: var(--space-xxl) auto;
  text-align: center;
  padding: var(--space-xl);
}

.error-container h1 {
  font-size: 4rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.error-container p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

/* Privacy Policy Popup */
.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  max-width: 500px;
  background: var(--color-prism-white);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  border: 2px solid var(--color-neon-gallerist);
}

.privacy-popup.active {
  display: block;
}

.privacy-popup p {
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

.privacy-popup-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* Text Content Sections */
.text-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  width: 100%;
}

.text-content p {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.8;
}

/* Responsive Design */
@media (max-width: 1023px) {
  .nav-menu {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-section {
    min-height: 350px;
  }
  
  .grid-two,
  .grid-three,
  .grid-four {
    grid-template-columns: 1fr;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 1rem;
  }
  
  .hero-content,
  .banner-content {
    padding: var(--space-md);
  }
  
  .contact-form {
    padding: var(--space-md);
  }
  
  .privacy-popup {
    left: var(--space-sm);
    right: var(--space-sm);
    bottom: var(--space-sm);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .header-content {
    padding: 0 var(--space-sm);
  }
  
  .brand-name {
    font-size: 1.125rem;
  }
  
  .hero-banner {
    min-height: 40vh;
  }
  
  .banner-section {
    min-height: 300px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--color-neon-gallerist);
  outline-offset: 2px;
}