/* ============================================
   DROUGHT-TOLERANT GARDEN DESIGN - STYLES
   Mars Colony Observation Deck Aesthetic
   ============================================ */

:root {
  /* Color Palette - Mineral Topography */
  --color-obsidian: #1A1A1D;
  --color-copper: #49FBAD;
  --color-quartz: #D1D1D1;
  --color-ultraviolet: #3A0CA3;
  --color-dark: #0F0F11;
  --color-light: #F5F5F5;
  
  /* Typography */
  --font-primary: 'Sora', 'Inter', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --border-thin: 1px solid;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(73, 251, 173, 0.1);
  --shadow-md: 0 4px 16px rgba(73, 251, 173, 0.15);
  --shadow-lg: 0 8px 32px rgba(73, 251, 173, 0.2);
  --shadow-glow: 0 0 20px rgba(73, 251, 173, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --max-width: 1400px;
  --header-height: 80px;
}

/* ============================================
   RESET & BASE
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-obsidian);
  color: var(--color-quartz);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* 3D Point Cloud Background Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(73, 251, 173, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(58, 12, 163, 0.03) 0%, transparent 50%),
    linear-gradient(135deg, var(--color-obsidian) 0%, var(--color-dark) 100%);
  background-size: 200% 200%;
  animation: terrainShift 20s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes terrainShift {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-copper);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.4rem, 5vw, 4rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h2 {
  font-size: clamp(1.2rem, 4vw, 3rem);
}

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

p {
  margin-bottom: var(--space-md);
  color: var(--color-quartz);
}

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

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

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: relative;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(26, 26, 29, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-thin) rgba(73, 251, 173, 0.2);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-name {
  font-family: var(--font-secondary);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-copper);
}

.main-nav {
  display: flex;
  gap: 10px;
  align-items: center;
}

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

.nav-link {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-md);
  transition: all var(--transition-base);
}

.nav-link:hover {
  border-color: var(--color-copper);
  box-shadow: var(--shadow-glow);
}

/* Burger Menu */
.burger-toggle {
  display: none;
  background: transparent;
  border: var(--border-thin) var(--color-copper);
  color: var(--color-copper);
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 1000001;
  transition: all var(--transition-base);
}

.burger-toggle:hover {
  background: var(--color-copper);
  color: var(--color-obsidian);
}

.burger-line {
  width: 24px;
  height: 2px;
  background: currentColor;
  transition: all var(--transition-base);
}

.burger-toggle.active .burger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(26, 26, 29, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: var(--border-thin) rgba(73, 251, 173, 0.3);
  padding: var(--space-lg);
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav .nav-list {
  flex-direction: column;
  width: 100%;
  gap: var(--space-md);
}

.mobile-nav .nav-link {
  width: 100%;
  text-align: center;
  padding: var(--space-md);
}

/* Responsive Header */
@media (max-width: 1023px) {
  .main-nav {
    display: none;
  }
  
  .burger-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .brand-name {
    font-size: 1rem;
  }
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
  position: relative;
  min-height: calc(100vh - 200px);
}

/* ============================================
   HERO BANNER (Full Width)
   ============================================ */

.hero-banner {
  position: relative;
  width: 100vw;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.4;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(26, 26, 29, 0.85) 0%,
    rgba(58, 12, 163, 0.6) 50%,
    rgba(26, 26, 29, 0.85) 100%
  );
  z-index: 2;
}

.banner-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}

.banner-title {
  margin-bottom: var(--space-lg);
  text-shadow: 0 0 30px rgba(73, 251, 173, 0.5);
}

.banner-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-quartz);
  line-height: 1.8;
}

/* ============================================
   SECTIONS
   ============================================ */

.content-section {
  padding: var(--space-xxl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.content-section > * {
  text-align: left;
}

.content-section > .section-title {
  text-align: center;
}

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

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: var(--color-copper);
  box-shadow: var(--shadow-glow);
}

/* Grid Layouts */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  max-width: 100%;
  justify-items: center;
}

.grid-container > .grid-item {
  max-width: 400px;
  width: 100%;
}

.grid-item {
  background: rgba(26, 26, 29, 0.6);
  border: var(--border-thin) rgba(73, 251, 173, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.grid-item:hover {
  border-color: var(--color-copper);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.grid-image {
  width: 100%;
  max-width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: var(--border-thin) rgba(73, 251, 173, 0.1);
  display: block;
}

.grid-two .grid-image {
  height: 250px;
  max-width: 100%;
}

.grid-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-copper);
}

.grid-text {
  color: var(--color-quartz);
  font-size: 0.95rem;
  line-height: 1.7;
}

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

.grid-two > * {
  width: 100%;
  max-width: 100%;
}

/* Three Column Grid */
.grid-three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  max-width: 100%;
  justify-items: center;
}

.grid-three > .grid-item,
.grid-three > .product-card {
  max-width: 380px;
  width: 100%;
}

/* ============================================
   WATER CONSERVATION DASHBOARD
   ============================================ */

.dashboard-container {
  background: rgba(26, 26, 29, 0.8);
  border: var(--border-thin) rgba(73, 251, 173, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  backdrop-filter: blur(10px);
}

.dashboard-title {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.slider-control {
  margin: var(--space-lg) 0;
}

.slider-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-copper);
  font-weight: 600;
}

.size-slider {
  width: 100%;
  height: 6px;
  background: rgba(73, 251, 173, 0.2);
  border-radius: var(--radius-sm);
  outline: none;
  -webkit-appearance: none;
}

.size-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--color-copper);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
}

.size-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--color-copper);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-glow);
}

.visualization-area {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.pillar-container {
  text-align: center;
}

.pillar-label {
  color: var(--color-copper);
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.pillar-visual {
  width: 80px;
  height: 200px;
  margin: 0 auto;
  background: linear-gradient(to top, var(--color-copper), var(--color-ultraviolet));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--space-sm);
  box-shadow: var(--shadow-md);
  transition: height var(--transition-slow);
}

.pillar-value {
  color: var(--color-obsidian);
  font-weight: 700;
  font-size: 0.9rem;
}

.stats-display {
  text-align: center;
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: rgba(73, 251, 173, 0.1);
  border-radius: var(--radius-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-copper);
  display: block;
}

.stat-label {
  color: var(--color-quartz);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   CONTACT FORM
   ============================================ */

.contact-section {
  max-width: 800px;
  margin: 0 auto;
}

.form-container {
  background: rgba(26, 26, 29, 0.8);
  border: var(--border-thin) rgba(73, 251, 173, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-copper);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: rgba(15, 15, 17, 0.6);
  border: var(--border-thin) rgba(73, 251, 173, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-quartz);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-copper);
  box-shadow: 0 0 0 3px rgba(73, 251, 173, 0.1);
}

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

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

.checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-copper);
}

.checkbox-label {
  color: var(--color-quartz);
  font-size: 0.9rem;
  line-height: 1.5;
}

.submit-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-copper);
  color: var(--color-obsidian);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-secondary);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-top: var(--space-md);
}

.submit-button:hover {
  background: var(--color-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  color: black;
}

.submit-button:active {
  transform: translateY(0);
}

/* ============================================
   GOOGLE MAPS
   ============================================ */

.map-container {
  margin-top: var(--space-xl);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--border-thin) rgba(73, 251, 173, 0.3);
}

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

/* ============================================
   PRODUCTS
   ============================================ */

.product-card {
  background: rgba(26, 26, 29, 0.8);
  border: var(--border-thin) rgba(73, 251, 173, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.product-card:hover {
  border-color: var(--color-copper);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.product-image {
  width: 100%;
  max-width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  border: var(--border-thin) rgba(73, 251, 173, 0.1);
  display: block;
}

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

.product-description {
  color: var(--color-quartz);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.product-price {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-copper);
  margin-top: var(--space-md);
}

/* ============================================
   SPECIES MATRIX
   ============================================ */

.species-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.species-card {
  background: rgba(26, 26, 29, 0.8);
  border: var(--border-thin) rgba(73, 251, 173, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.species-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-copper), var(--color-ultraviolet));
}

.species-name {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-copper);
}

.species-latin {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--color-quartz);
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

.score-display {
  display: flex;
  justify-content: space-between;
  margin: var(--space-md) 0;
  padding: var(--space-md);
  background: rgba(73, 251, 173, 0.1);
  border-radius: var(--radius-sm);
}

.score-label {
  color: var(--color-quartz);
  font-size: 0.9rem;
}

.score-value {
  color: var(--color-copper);
  font-weight: 700;
  font-size: 1.1rem;
}

.tolerance-bar {
  width: 100%;
  height: 8px;
  background: rgba(73, 251, 173, 0.2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: var(--space-sm);
}

.tolerance-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-copper), var(--color-ultraviolet));
  transition: width var(--transition-slow);
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: rgba(15, 15, 17, 0.9);
  border-top: var(--border-thin) rgba(73, 251, 173, 0.2);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

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

.footer-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-title {
  font-size: 1rem;
  color: var(--color-copper);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: var(--color-quartz);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-copper);
}

.footer-text {
  color: var(--color-quartz);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: var(--border-thin) rgba(73, 251, 173, 0.1);
  color: var(--color-quartz);
  font-size: 0.85rem;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }
  
  .content-section {
    padding: var(--space-lg) var(--space-md);
  }
  
  .grid-container,
  .grid-two,
  .grid-three {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .hero-banner {
    min-height: 50vh;
  }
  
  .banner-content {
    padding: var(--space-lg);
  }
  
  .visualization-area {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 12px;
  }
  
  .content-section {
    padding: var(--space-md) var(--space-sm);
  }
  
  .form-container {
    padding: var(--space-lg);
  }
}

/* ============================================
   PRIVACY POPUP
   ============================================ */

.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  right: var(--space-lg);
  max-width: 500px;
  background: rgba(26, 26, 29, 0.95);
  border: var(--border-thin) var(--color-copper);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  z-index: 10000;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}

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

.privacy-content {
  color: var(--color-quartz);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.privacy-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.privacy-button {
  flex: 1;
  min-width: 120px;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-thin) var(--color-copper);
  background: transparent;
  color: var(--color-copper);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: 0.85rem;
  text-transform: uppercase;
  transition: all var(--transition-base);
}

.privacy-button:hover {
  background: var(--color-copper);
  color: var(--color-obsidian);
}

.privacy-button.accept {
  background: var(--color-copper);
  color: var(--color-obsidian);
}

.privacy-button.accept:hover {
  background: var(--color-light);
}

/* ============================================
   THANK YOU & 404 PAGES
   ============================================ */

.message-container {
  max-width: 600px;
  margin: var(--space-xxl) auto;
  padding: var(--space-xl);
  text-align: center;
  background: rgba(26, 26, 29, 0.8);
  border: var(--border-thin) rgba(73, 251, 173, 0.3);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.message-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
  color: var(--color-copper);
}

.message-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-quartz);
  margin-bottom: var(--space-xl);
}

.message-button {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-copper);
  color: var(--color-obsidian);
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: all var(--transition-base);
}

.message-button:hover {
  background: var(--color-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}