/* ============================================
   Refractive Ether - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
  --color-void: #010103;
  --color-solar: #FFFFFF;
  --color-prism: #DFDFFB;
  --color-beam: #FFF9E5;
  --font-heading: 'Questrial', sans-serif;
  --font-body: 'Assistant', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-ray: 0 8px 40px rgba(0, 0, 0, 0.15);
}

/* 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-body);
  font-weight: 300;
  color: var(--color-void);
  background-color: var(--color-solar);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Adaptive Brightness - Time-based white point shift */
body {
  background: linear-gradient(135deg, #FFF9E5 0%, #FFFFFF 50%, #DFDFFB 100%);
  transition: background 2s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-void);
}

h1 {
  font-size: clamp(1.3rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.35rem,3vw, 2rem);
}

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

p {
  margin-bottom: var(--space-md);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

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

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

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

/* Prismatic Overlay Effect */
.prismatic-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.prismatic-overlay.active {
  opacity: 0.1;
}

/* Header Styles */
.site-header {
  background-color: var(--color-solar);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-soft);
  position: relative;
  z-index: 100;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: clamp(0.8rem, 2vw, 1rem);
  font-weight: 400;
  color: var(--color-void);
}

/* Navigation */
.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
}

.nav-menu li a {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.nav-menu li a:hover {
  background-color: var(--color-prism);
}

/* Burger Menu Button */
.burger-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 101;
  position: relative;
}

.burger-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-void);
  margin: 5px 0;
  transition: var(--transition-fast);
}

.burger-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.burger-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
@media (max-width: 1023px) {
  .burger-toggle {
    display: block;
    order: 2;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-solar);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    box-shadow: var(--shadow-ray);
    transition: right var(--transition-slow);
    z-index: 100;
    gap: var(--space-md);
  }

  .nav-menu.active {
    right: 0;
  }

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

  .nav-menu li a {
    display: block;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-prism);
  }

  .header-container {
    position: relative;
  }
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 200px);
  padding: var(--space-xl) var(--space-lg);
}

.content-container {
  max-width: 1400px;
  margin: 0 auto;
}

/* Hero Banner */
.hero-banner {
  position: relative;
  margin-bottom: var(--space-xxl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-ray);
}

.hero-content {
  position: relative;
  padding: var(--space-xxl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(223, 223, 251, 0.9) 100%);
  z-index: 2;
}

.hero-text {
  max-width: 800px;
}

.hero-image {
  width: 100%;
  height: auto;
  margin-top: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

/* Section Styles */
.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
}

/* Ray-Traced Shadows */
.content-card {
  background-color: var(--color-solar);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-ray);
  margin-bottom: var(--space-lg);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  position: relative;
}

.content-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 60px rgba(0, 0, 0, 0.2);
}

/* Image Gallery */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* Sun Tracker 3D Room */
.sun-tracker-container {
  background: linear-gradient(135deg, var(--color-prism) 0%, var(--color-solar) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-ray);
}

.room-3d {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #E8E8F5 0%, #F5F5FF 100%);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.1);
}

.sun-beam {
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 249, 229, 0.6) 0%, transparent 70%);
  border-radius: 50%;
  transition: all 2s ease;
  pointer-events: none;
}

.lumen-score {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background-color: var(--color-beam);
  border-radius: var(--radius-md);
  text-align: center;
}

.toggle-controls {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.toggle-btn {
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-void);
  color: var(--color-solar);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
}

.toggle-btn:hover {
  background-color: var(--color-prism);
  color: var(--color-void);
}

.toggle-btn.active {
  background-color: var(--color-beam);
  color: var(--color-void);
}

/* Interactive Mirror Simulation */
.mirror-simulator {
  background: linear-gradient(135deg, var(--color-prism) 0%, var(--color-solar) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-ray);
}

.simulator-canvas {
  width: 100%;
  height: 500px;
  background: linear-gradient(135deg, #F0F0F8 0%, #E8E8F5 100%);
  border-radius: var(--radius-md);
  position: relative;
  margin: var(--space-lg) 0;
  cursor: move;
}

.draggable-mirror {
  position: absolute;
  width: 80px;
  height: 120px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(223, 223, 251, 0.6) 100%);
  border: 2px solid var(--color-void);
  border-radius: var(--radius-sm);
  cursor: move;
  box-shadow: var(--shadow-soft);
}

.light-beam {
  position: absolute;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--color-beam) 50%, transparent 100%);
  box-shadow: 0 0 10px var(--color-beam);
  pointer-events: none;
}

/* Circadian Rhythm Map */
.rhythm-map {
  background: linear-gradient(135deg, var(--color-prism) 0%, var(--color-solar) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  box-shadow: var(--shadow-ray);
}

.lux-chart {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #010103 0%, #1a1a2e 100%);
  border-radius: var(--radius-md);
  position: relative;
  margin: var(--space-lg) 0;
  overflow: hidden;
}

.pulse-line {
  position: absolute;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--color-beam) 50%, transparent 100%);
  box-shadow: 0 0 20px var(--color-beam);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.golden-hour {
  position: absolute;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 249, 229, 0.3) 50%, transparent 100%);
  height: 100%;
  border-left: 2px solid var(--color-beam);
  border-right: 2px solid var(--color-beam);
}

/* Light Flow Heat Maps */
.heat-map-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.heat-map-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.heat-map-item img {
  width: 100%;
  height: auto;
  filter: brightness(1.1) contrast(1.05);
}

.heat-map-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 249, 229, 0.3) 0%, transparent 50%, rgba(223, 223, 251, 0.2) 100%);
  pointer-events: none;
}

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

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

.form-group label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 400;
  color: var(--color-void);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--color-prism);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--color-solar);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-void);
}

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

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

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

.submit-btn {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-void);
  color: var(--color-solar);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  margin-top: 10px;
}

.submit-btn:hover {
  background-color: var(--color-prism);
  color: var(--color-void);
}

/* Google Maps */
.map-container {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-ray);
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
  display: block;
}

/* Footer */
.site-footer {
  background-color: var(--color-void);
  color: var(--color-solar);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  justify-content: center;
}

.footer-menu li a {
  color: var(--color-solar);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-menu li a:hover {
  color: var(--color-beam);
}

.footer-info {
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Privacy Popup */
.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background-color: var(--color-solar);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-ray);
  z-index: 1000;
  border: 2px solid var(--color-prism);
}

.privacy-popup.active {
  display: block;
  animation: slideUp 0.5s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.popup-content {
  margin-bottom: var(--space-md);
}

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

.popup-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
}

.popup-btn-accept {
  background-color: var(--color-void);
  color: var(--color-solar);
}

.popup-btn-accept:hover {
  background-color: var(--color-prism);
  color: var(--color-void);
}

.popup-btn-decline {
  background-color: var(--color-prism);
  color: var(--color-void);
}

.popup-btn-decline:hover {
  background-color: var(--color-void);
  color: var(--color-solar);
}

/* Exposure Transition */
.exposure-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-solar);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

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

/* Thank You Page */
.thank-you-content {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.thank-you-icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  color: var(--color-beam);
}

/* 404 Page */
.error-page {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  font-family: var(--font-heading);
  color: var(--color-prism);
  margin-bottom: var(--space-md);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .main-content {
    padding: var(--space-lg) var(--space-md);
  }

  .hero-content {
    padding: var(--space-lg);
  }

  .content-card {
    padding: var(--space-lg);
  }

  .room-3d {
    height: 300px;
  }

  .simulator-canvas {
    height: 400px;
  }

  .lux-chart {
    height: 300px;
  }

  .privacy-popup {
    max-width: calc(100% - 2rem);
    right: var(--space-md);
    bottom: var(--space-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .header-container {
    padding: 0;
  }

  .site-header {
    padding: var(--space-md);
  }

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

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

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .burger-toggle,
  .privacy-popup {
    display: none;
  }

  .main-content {
    padding: 0;
  }
}