/* CSS Variables - Nordic Botanical Winter Theme */
:root {
  --color-primary: #2F4F3D;
  --color-secondary: #BFD8C0;
  --color-background: #F6F7F8;
  --color-accent: #8EA78C;
  --color-separator: #DDE5EA;
  --color-text: #2F4F3D;
  --color-text-light: #8EA78C;
  --font-primary: 'Manrope', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 4px rgba(47, 79, 61, 0.1);
  --shadow-md: 0 4px 8px rgba(47, 79, 61, 0.15);
  --shadow-lg: 0 8px 16px rgba(47, 79, 61, 0.2);
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  font-size: 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

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

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

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

/* Header */
.site-header {
  background: rgba(246, 247, 248, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  position: relative;
}

.brand-text {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

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

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--space-sm);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-accent);
}

.burger-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  color: var(--color-primary);
  font-size: 1.25rem;
  order: 999;
  transition: all var(--transition-fast);
  align-self: center;
  flex-shrink: 0;
}

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

.burger-toggle.active {
  background: var(--color-secondary);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .site-header {
    position: relative;
    z-index: 1000;
  }

  .header-container {
    position: relative;
    flex-wrap: nowrap;
    align-items: center;
  }

  .brand-text {
    flex: 1;
    align-self: center;
  }

  .main-nav {
    display: flex;
    align-items: center;
    margin-left: auto;
  }

  .burger-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    position: relative;
    z-index: 1001;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: calc(100% + var(--space-sm));
    left: calc(var(--space-md) * -1);
    right: calc(var(--space-md) * -1);
    width: calc(100% + var(--space-md) * 2);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(246, 247, 248, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    margin: 0;
  }

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

/* Main Content */
main {
  flex: 1;
  width: 100%;
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-lg);
}

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

.section-alt {
  background: var(--color-separator);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin: var(--space-lg) 0;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: var(--radius-lg);
  margin: var(--space-lg);
  overflow: hidden;
}

.hero-overlay {
  background: rgba(47, 79, 61, 0.4);
  position: absolute;
  inset: 0;
  z-index: 1;
}

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

.hero-title {
  color: white;
  margin-bottom: var(--space-lg);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-lg);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:hover {
    color: black;
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-secondary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: white;
}

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

.card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  animation: breathe 3s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: translateY(-4px) scale(1); }
  50% { transform: translateY(-4px) scale(1.02); }
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.card-text {
  margin-bottom: var(--space-md);
  flex: 1;
}

.card-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: auto;
}

/* Filters */
.filter-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.filter-btn {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-separator);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-secondary);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Plant Cards Specific */
.plant-card {
  position: relative;
}

.plant-rating {
  display: flex;
  gap: var(--space-xs);
  margin: var(--space-sm) 0;
}

.rating-icon {
  color: var(--color-accent);
  font-size: 1rem;
}

.plant-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.badge {
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-secondary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary);
}

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

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-separator);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

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

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

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

.checkbox-input {
  margin-top: 4px;
}

.checkbox-label {
  font-size: 0.9rem;
  line-height: 1.5;
}

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

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

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

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: var(--color-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-secondary);
}

/* Privacy Popup */
.privacy-popup {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  animation: slideUp var(--transition-fast);
}

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

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

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

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

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

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

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

.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

/* Date Display */
.date {
  font-style: italic;
  color: var(--color-text-light);
}

/* Plant Performance Meter */
.performance-meter {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.meter-bar {
  flex: 1;
  height: 8px;
  background: var(--color-separator);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  transition: width var(--transition-fast);
}

/* Room Planner Specific */
.planner-container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-lg);
}

.room-canvas {
  background: var(--color-separator);
  border-radius: var(--radius-lg);
  min-height: 500px;
  position: relative;
  padding: var(--space-lg);
}

.plant-placeholder {
  display: inline-block;
  padding: var(--space-md);
  background: var(--color-secondary);
  border-radius: var(--radius-md);
  margin: var(--space-sm);
  cursor: move;
  transition: all var(--transition-fast);
}

.plant-placeholder:hover {
  background: var(--color-accent);
  transform: scale(1.1);
}

.planner-sidebar {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  height: fit-content;
}

.air-quality-score {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.score-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .planner-container {
    grid-template-columns: 1fr;
  }

  .hero-section {
    min-height: 40vh;
    margin: var(--space-md);
  }

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

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

  .filter-container {
    flex-direction: column;
  }

  .privacy-popup {
    right: var(--space-md);
    left: var(--space-md);
    max-width: none;
  }
}

@media (max-width: 320px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
  }

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

  .form-container {
    padding: var(--space-md);
  }
}

/* Animations */
@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0); }
  50% { opacity: 1; transform: scale(1); }
}

.sparkle {
  display: inline-block;
  animation: sparkle 2s ease-in-out infinite;
}

/* Care Guide Specific */
.care-diagram {
  background: white;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-sm);
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.icon-item {
  text-align: center;
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.icon-item i {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

/* Thank You Page */
.thank-you-content {
  text-align: center;
  max-width: 600px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

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

.error-code {
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}