/* ============================================
   Botanical Museum + Soft Modern Dutch Design
   ============================================ */

/* CSS Variables - Botanical Greenhouse Palette */
:root {
  /* Colors - Clean Foundations */
  --color-frost-glass: #F6F9F7;
  --color-pale-reed: #D9E4D3;
  --color-soft-clay: #C3B7A5;
  
  /* Colors - Botanical Darks */
  --color-dutch-moss: #4C6A4A;
  --color-riverbank: #5A4D3D;
  
  /* Colors - Light Accents */
  --color-fresh-leaf: #B7D8AA;
  --color-sky-mist: #D7E6EB;
  
  /* Legacy variables for compatibility */
  --color-primary: #4C6A4A;
  --color-secondary: #D9E4D3;
  
  /* Typography */
  --font-heading: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-scientific: 'IBM Plex Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Border & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --border-thin: 1px solid rgba(76, 106, 74, 0.15);
  
  /* Shadows */
  --shadow-soft: 0 2px 8px rgba(76, 106, 74, 0.08);
  --shadow-medium: 0 4px 16px rgba(76, 106, 74, 0.12);
  --shadow-glass: 0 8px 32px rgba(76, 106, 74, 0.1);
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-smooth: 0.5s ease;
  --transition-slow: 0.8s ease;
  
  /* Glass effect */
  --glass-bg: rgba(246, 249, 247, 0.85);
  --glass-border: rgba(217, 228, 211, 0.5);
}

/* ============================================
   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-size: 1rem;
  line-height: 1.6;
  color: var(--color-riverbank);
  background-color: var(--color-frost-glass);
  overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */

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

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

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

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

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

.scientific-name {
  font-family: var(--font-scientific);
  font-style: italic;
  font-size: 0.9em;
  color: var(--color-riverbank);
}

/* ============================================
   Layout Containers
   ============================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

main {
  min-height: 60vh;
}

/* ============================================
   Header
   ============================================ */

.header-wrapper {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-thin);
  position: relative;
  z-index: 1000;
  transition: transform var(--transition-smooth);
}

.header-wrapper.hidden {
  transform: translateY(-100%);
}

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

.brand-text {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  color: var(--color-dutch-moss);
  font-weight: 400;
  letter-spacing: 0.5px;
}

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

.nav-link {
  font-size: 0.95rem;
  color: var(--color-riverbank);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-pale-reed);
  color: var(--color-dutch-moss);
}

.burger-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  position: relative;
  z-index: 1001;
}

.burger-toggle.active {
  z-index: 1002;
}

.burger-line {
  width: 25px;
  height: 2px;
  background: var(--color-dutch-moss);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

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

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

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

/* ============================================
   Hero / Banner
   ============================================ */

.hero-section {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-frost-glass);
  overflow: hidden;
  padding: var(--space-xxl) var(--space-md);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: 0;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(246, 249, 247, 0.4);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--space-xl);
  background: rgba(246, 249, 247, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: var(--border-thin);
  box-shadow: var(--shadow-glass);
}

.hero-subtitle-large {
  font-size: 1.2rem;
  margin-top: 1rem;
}

.hero-button {
  margin-top: 2rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: var(--space-md);
  color: var(--color-dutch-moss);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--color-riverbank);
  font-weight: 300;
  margin-bottom: var(--space-lg);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-dutch-moss);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  text-decoration: none;
}

.btn:hover {
    color: white;
  background: var(--color-riverbank);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background: transparent;
  color: var(--color-dutch-moss);
  border: 2px solid var(--color-dutch-moss);
}

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

/* ============================================
   Cards & Grids
   ============================================ */

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

.plant-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-smooth);
  position: relative;
  border: var(--border-thin);
}

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

.plant-image-wrapper {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  background: var(--color-pale-reed);
}

.plant-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

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

.plant-sketch-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  background-size: cover;
  background-position: center;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.plant-card:hover .plant-sketch-overlay {
  opacity: 0.2;
}

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

.plant-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-dutch-moss);
  margin-bottom: var(--space-sm);
}

.plant-details {
  list-style: none;
  margin: var(--space-md) 0;
}

.plant-detail-item {
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
  color: var(--color-riverbank);
  border-bottom: 1px solid var(--color-pale-reed);
}

.plant-detail-label {
  font-weight: 600;
  color: var(--color-dutch-moss);
}

/* ============================================
   Habitat Zones
   ============================================ */

.habitat-section {
  padding: var(--space-xxl) 0;
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  margin: var(--space-lg) 0;
}

.habitat-overlay {
  background: var(--glass-bg);
  backdrop-filter: blur(5px);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: var(--border-thin);
  max-width: 600px;
  margin: 0 auto;
}

.habitat-title {
  color: var(--color-dutch-moss);
  margin-bottom: var(--space-md);
}

.habitat-description {
  color: var(--color-riverbank);
  margin-bottom: var(--space-lg);
}

.habitat-features {
  list-style: none;
}

.habitat-feature {
  padding: var(--space-sm) 0;
  color: var(--color-riverbank);
}

.habitat-feature::before {
  content: "🌿";
  margin-right: var(--space-sm);
}

/* ============================================
   Forms
   ============================================ */

.form-container {
  max-width: 600px;
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  border: var(--border-thin);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: var(--border-thin);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-riverbank);
  background: var(--color-frost-glass);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-dutch-moss);
  box-shadow: 0 0 0 3px rgba(76, 106, 74, 0.1);
}

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

.form-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.form-checkbox {
  margin-top: 4px;
  cursor: pointer;
}

.form-checkbox-label {
  font-size: 0.9rem;
  color: var(--color-riverbank);
  cursor: pointer;
}

.form-checkbox-label a {
  color: var(--color-dutch-moss);
  text-decoration: underline;
}

/* ============================================
   Google Maps
   ============================================ */

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

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

/* ============================================
   Footer
   ============================================ */

.footer-wrapper {
  background: var(--color-dutch-moss);
  color: white;
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.footer-section-title {
  color: var(--color-pale-reed);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
}

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

.footer-menu-item {
  margin-bottom: var(--space-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* ============================================
   Privacy Popup
   ============================================ */

.privacy-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
}

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

.privacy-popup-content {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-glass);
  position: relative;
}

.privacy-popup-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-riverbank);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.privacy-popup-close:hover {
  background: var(--color-pale-reed);
  color: var(--color-dutch-moss);
}

.privacy-popup-title {
  margin-bottom: var(--space-lg);
  color: var(--color-dutch-moss);
}

.privacy-popup-text {
  color: var(--color-riverbank);
  line-height: 1.8;
}

/* ============================================
   Thank You Page
   ============================================ */

.thank-you-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

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

.thank-you-title {
  color: var(--color-dutch-moss);
  margin-bottom: var(--space-md);
}

.thank-you-message {
  color: var(--color-riverbank);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

/* ============================================
   404 Page
   ============================================ */

.error-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-md);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.error-code {
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--color-dutch-moss);
  font-weight: 300;
  margin-bottom: var(--space-md);
}

.error-message {
  color: var(--color-riverbank);
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
}

/* ============================================
   Products Grid
   ============================================ */

.product-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-smooth);
  border: var(--border-thin);
}

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

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-pale-reed);
}

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

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

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

.product-price {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-dutch-moss);
  margin-top: var(--space-md);
}

/* ============================================
   Care Tips Calendar
   ============================================ */

.calendar-container {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
  border: var(--border-thin);
  margin: var(--space-lg) 0;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.calendar-month {
  padding: var(--space-md);
  background: var(--color-frost-glass);
  border-radius: var(--radius-md);
  border: var(--border-thin);
}

.calendar-month-title {
  font-family: var(--font-heading);
  color: var(--color-dutch-moss);
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.calendar-tasks {
  list-style: none;
  color: var(--color-riverbank);
}

.calendar-task {
  padding: var(--space-xs) 0;
  font-size: 0.9rem;
}

.calendar-task::before {
  content: "✓";
  color: var(--color-dutch-moss);
  margin-right: var(--space-sm);
}

/* ============================================
   Content Sections
   ============================================ */

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

.content-section-alt {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-soft);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.info-card {
  padding: var(--space-lg);
  background: var(--color-frost-glass);
  border-radius: var(--radius-md);
  border: var(--border-thin);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-xxl) var(--space-lg);
    box-shadow: var(--shadow-glass);
    transition: right var(--transition-smooth);
    z-index: 1000;
    border-left: var(--border-thin);
  }

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

  .burger-toggle {
    display: flex;
    position: relative;
    z-index: 1002;
  }

  .hero-section {
    min-height: 50vh;
  }

  .habitat-section {
    background-attachment: scroll;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }

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

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

  .container {
    padding: 0 var(--space-sm);
  }

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

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

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

@media (max-width: 320px) {
  html {
    font-size: 13px;
  }

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

  .plant-card-content,
  .product-info {
    padding: var(--space-md);
  }
}

/* ============================================
   Animations
   ============================================ */

@keyframes dewDrop {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

.dew-animation {
  position: relative;
}

.dew-animation::after {
  content: "💧";
  position: absolute;
  top: 10px;
  right: 10px;
  animation: dewDrop 3s infinite;
  opacity: 0;
}

/* ============================================
   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);
}

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

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

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