/* ============================================
   CSS Variables - Nordic Spa Air 2025 Palette
   ============================================ */
:root {
  --color-primary: #2c6e49;
  --color-secondary: #f4f1de;
  --color-cloud-mist: #F4F7F9;
  --color-eucalyptus: #BBD6C9;
  --color-slate-blue: #6F8FA6;
  --color-alpine-stone: #C7C9C5;
  --color-forest-charcoal: #1F2623;
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Inter', 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;
  --radius-xl: 20px;
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
  --shadow-sm: 0 2px 8px rgba(31, 38, 35, 0.08);
  --shadow-md: 0 4px 16px rgba(31, 38, 35, 0.12);
  --shadow-lg: 0 8px 32px rgba(31, 38, 35, 0.16);
  --blur-glass: blur(20px);
}

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

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

body {
  font-family: var(--font-secondary);
  font-weight: 300;
  color: var(--color-forest-charcoal);
  background-color: var(--color-cloud-mist);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-forest-charcoal);
}

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);
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  background: rgba(244, 247, 249, 0.85);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  padding: var(--space-md) var(--space-lg);
  position: relative;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

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

.brand-text {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

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

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

.nav-link:hover {
  background: var(--color-eucalyptus);
  color: var(--color-primary);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  margin-left: auto;
}

@media (min-width: 769px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-forest-charcoal);
  transition: all var(--transition-fast);
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ============================================
   Mobile Navigation
   ============================================ */
@media (max-width: 768px) {
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(244, 247, 249, 0.98);
    backdrop-filter: var(--blur-glass);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-md);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header-container {
    position: relative;
  }
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xxl) var(--space-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-cloud-mist) 0%, var(--color-eucalyptus) 100%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.humidity-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-slate-blue);
  border-radius: 50%;
  opacity: 0.4;
  animation: float 15s infinite ease-in-out;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0.4;
  }
  50% {
    transform: translateY(-100px) translateX(50px);
    opacity: 0.6;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: var(--space-xl);
}

.hero-title {
  color: var(--color-forest-charcoal);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 10px rgba(244, 247, 249, 0.5);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-forest-charcoal);
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-align: center;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-cloud-mist);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-forest-charcoal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(187, 214, 201, 0.6);
  backdrop-filter: var(--blur-glass);
  color: var(--color-forest-charcoal);
  border: 2px solid var(--color-eucalyptus);
}

.btn-secondary:hover {
  background: var(--color-eucalyptus);
  transform: translateY(-2px);
}

/* ============================================
   Main Content
   ============================================ */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.content-section {
  margin-bottom: var(--space-xxl);
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: var(--blur-glass);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

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

/* ============================================
   Humidity Visualizer
   ============================================ */
.humidity-visualizer {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}

.humidity-ring {
  position: relative;
  width: 200px;
  height: 200px;
}

.ring-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 8px solid var(--color-alpine-stone);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ideal-zone {
  position: absolute;
  width: 60%;
  height: 60%;
  border-radius: 50%;
  border: 4px solid var(--color-eucalyptus);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
  }
}

.humidity-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  z-index: 2;
}

.humidity-label {
  font-size: 0.875rem;
  color: var(--color-forest-charcoal);
  margin-top: var(--space-sm);
  text-align: center;
}

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

.method-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.method-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--color-eucalyptus) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-medium);
}

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

.method-card:hover::before {
  opacity: 0.1;
}

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

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

.method-description {
  font-size: 0.95rem;
  color: var(--color-forest-charcoal);
  margin-bottom: var(--space-md);
}

.method-indicators {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-cloud-mist);
  border-radius: var(--radius-sm);
}

.indicator-icon {
  width: 16px;
  height: 16px;
}

/* ============================================
   Device Cards
   ============================================ */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
}

.device-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-medium);
}

.device-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.device-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.device-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-alpine-stone);
}

.spec-item {
  font-size: 0.875rem;
}

.spec-label {
  color: var(--color-forest-charcoal);
  opacity: 0.7;
  font-size: 0.8rem;
}

.spec-value {
  color: var(--color-primary);
  font-weight: 600;
  margin-top: var(--space-xs);
}

/* ============================================
   Assessment Tool
   ============================================ */
.assessment-container {
  max-width: 800px;
  margin: 0 auto;
}

.quiz-section {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur-glass);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

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

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.quiz-option {
  padding: var(--space-md);
  background: var(--color-cloud-mist);
  border: 2px solid var(--color-alpine-stone);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quiz-option:hover {
  border-color: var(--color-eucalyptus);
  background: var(--color-eucalyptus);
}

.quiz-option.selected {
  border-color: var(--color-primary);
  background: var(--color-eucalyptus);
}

.room-rating {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.room-card {
  padding: var(--space-md);
  background: var(--color-cloud-mist);
  border-radius: var(--radius-md);
  text-align: center;
}

.rating-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--space-sm) 0;
}

.recommendations {
  background: var(--color-eucalyptus);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-top: var(--space-lg);
}

.recommendation-item {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
}

/* ============================================
   Contact Form
   ============================================ */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin: var(--space-xl) 0;
}

.contact-form {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur-glass);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
}

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

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

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--color-alpine-stone);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--color-cloud-mist);
}

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

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

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

.checkbox-input {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

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

.contact-info {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: var(--blur-glass);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
}

.info-item {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-alpine-stone);
}

.info-label {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.info-value {
  color: var(--color-forest-charcoal);
}

.map-container {
  margin-top: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--color-forest-charcoal);
  color: var(--color-cloud-mist);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xxl);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
}

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

.footer-title {
  color: var(--color-eucalyptus);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

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

.footer-link {
  color: var(--color-cloud-mist);
  padding: var(--space-xs) 0;
  display: block;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(244, 247, 249, 0.2);
  font-size: 0.875rem;
}

/* ============================================
   Privacy Popup
   ============================================ */
.privacy-popup {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  max-width: 400px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: var(--blur-glass);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  transform: translateY(150%);
  transition: transform var(--transition-medium);
}

.privacy-popup.active {
  transform: translateY(0);
}

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

.popup-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.popup-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-forest-charcoal);
}

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

.popup-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.popup-accept {
  background: var(--color-primary);
  color: var(--color-cloud-mist);
}

.popup-accept:hover {
  background: var(--color-forest-charcoal);
}

.popup-decline {
  background: var(--color-alpine-stone);
  color: var(--color-forest-charcoal);
}

.popup-decline:hover {
  background: var(--color-slate-blue);
  color: var(--color-cloud-mist);
}

/* ============================================
   Thank You Page
   ============================================ */
.thank-you-container {
  text-align: center;
  padding: var(--space-xxl) var(--space-lg);
  max-width: 700px;
  margin: 0 auto;
}

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

.thank-you-title {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.thank-you-message {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-forest-charcoal);
  margin-bottom: var(--space-xl);
}

/* ============================================
   404 Page
   ============================================ */
.error-container {
  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: 8rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-message {
  font-size: 1.5rem;
  color: var(--color-forest-charcoal);
  margin-bottom: var(--space-lg);
}

/* ============================================
   Legal Pages
   ============================================ */
.legal-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

.legal-section {
  margin-bottom: var(--space-xl);
}

.legal-section h2 {
  color: var(--color-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.legal-section h3 {
  color: var(--color-forest-charcoal);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.date {
  font-style: italic;
  color: var(--color-slate-blue);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-alpine-stone);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .contact-container {
    grid-template-columns: 1fr;
  }

  .devices-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --space-xl: 2rem;
    --space-xxl: 3rem;
  }

  .hero-section {
    min-height: 60vh;
    padding: var(--space-lg);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .device-specs {
    grid-template-columns: 1fr;
  }

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

  .humidity-ring {
    width: 150px;
    height: 150px;
  }

  .humidity-value {
    font-size: 1.5rem;
  }
}

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

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

  main {
    padding: var(--space-md);
  }

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

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

  .contact-form,
  .contact-info {
    padding: var(--space-md);
  }
}

@media (max-width: 320px) {
  html {
    font-size: 12px;
  }

  .methods-grid,
  .devices-grid {
    gap: var(--space-md);
  }

  .method-card,
  .device-card {
    padding: 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;
}

.fade-in {
  animation: fadeIn var(--transition-medium);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}