/* ============================================
   HYDROPONIE360 - Système de Design
   Direction Esthétique: Croissance Moderne
   ============================================ */

/* Fonts Import - Distinctive choices */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:wght@300;400;600;700&family=DM+Sans:wght@400;500;700&display=swap');

/* CSS Variables - Système de couleurs et espacements */
:root {
  /* Couleurs principales - Palette naturelle */
  --primary-green: #2d5016;
  --secondary-green: #4a7c2c;
  --accent-cyan: #00a896;
  --light-green: #a8dadc;
  --cream: #f8f7f4;
  --dark: #1a1a1a;
  --gray: #6b7280;
  --white: #ffffff;
  
  /* Typographie */
  --font-display: 'Crimson Pro', serif;
  --font-body: 'DM Sans', sans-serif;
  
  /* Espacements */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Rayons */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* Ombres */
  --shadow-sm: 0 2px 8px rgba(45, 80, 22, 0.08);
  --shadow-md: 0 4px 16px rgba(45, 80, 22, 0.12);
  --shadow-lg: 0 8px 32px rgba(45, 80, 22, 0.16);
  
  /* Animations */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--dark);
  background: var(--cream);
  overflow-x: hidden;
}

/* Background organique avec grain subtil */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(168, 218, 220, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 168, 150, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-green);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--dark);
}

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

a:hover {
  color: var(--secondary-green);
}

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

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

/* Header - Navigation moderne */
header {
  position: sticky;
  top: 0;
  background: rgba(248, 247, 244, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 80, 22, 0.1);
  z-index: 1000;
  animation: slideDown 0.6s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
}

.logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--secondary-green), var(--accent-cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  animation: pulse 3s ease-in-out infinite;
}

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

nav ul {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

nav a {
  font-weight: 500;
  color: var(--primary-green);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-smooth);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

nav a:hover::after {
  width: 80%;
}

/* Hero Section - Animation de croissance */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  animation: fadeInUp 0.8s 0.2s ease backwards;
}

.hero p {
  font-size: 1.25rem;
  color: var(--gray);
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s 0.4s ease backwards;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--secondary-green), var(--accent-cyan));
  color: white;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  animation: fadeInUp 0.8s 0.6s ease backwards;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

/* Decorative elements - Formes organiques */
.hero::after {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--light-green), transparent 70%);
  border-radius: 50%;
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Grid d'articles */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}

.article-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
}

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

.article-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--light-green), var(--accent-cyan));
}

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

.article-category {
  display: inline-block;
  background: var(--light-green);
  color: var(--primary-green);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.article-card h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.5rem;
}

.article-excerpt {
  color: var(--gray);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.read-more {
  color: var(--accent-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.read-more:hover {
  gap: 0.75rem;
}

/* Section Features */
.features {
  background: white;
  padding: var(--space-xl) 0;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
}

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

.feature-item {
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.feature-item:hover {
  background: var(--cream);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-sm);
  background: linear-gradient(135deg, var(--secondary-green), var(--accent-cyan));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

/* Footer */
footer {
  background: var(--primary-green);
  color: white;
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-xl);
}

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

.footer-section h4 {
  color: white;
  margin-bottom: var(--space-sm);
}

.footer-section a {
  color: var(--light-green);
  display: block;
  margin-bottom: var(--space-xs);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--light-green);
}

/* Article Page Styling */
.article-header {
  max-width: 800px;
  margin: var(--space-xl) auto;
  text-align: center;
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-md) 0;
}

.article-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

.article-body ul, .article-body ol {
  margin-left: var(--space-md);
  margin-bottom: var(--space-sm);
}

.article-body li {
  margin-bottom: var(--space-xs);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  background: white;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

th, td {
  padding: var(--space-sm);
  text-align: left;
  border-bottom: 1px solid var(--cream);
}

th {
  background: var(--secondary-green);
  color: white;
  font-weight: 600;
}

/* Amazon Affiliate Box */
.amazon-box {
  background: linear-gradient(135deg, #fff 0%, var(--cream) 100%);
  border: 2px solid var(--light-green);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-md) 0;
  box-shadow: var(--shadow-sm);
}

.amazon-box h4 {
  color: var(--secondary-green);
  margin-bottom: var(--space-sm);
}

.amazon-button {
  display: inline-block;
  background: #ff9900;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-top: var(--space-sm);
  transition: var(--transition-fast);
}

.amazon-button:hover {
  background: #e88800;
  transform: scale(1.05);
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    gap: var(--space-sm);
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .hero {
    min-height: 70vh;
  }
  
  h1 {
    font-size: 2.5rem;
  }
}

/* Loading Animation */
@keyframes grow {
  0% {
    transform: scaleY(0);
    opacity: 0;
  }
  100% {
    transform: scaleY(1);
    opacity: 1;
  }
}

.animate-grow {
  animation: grow 0.6s ease forwards;
  transform-origin: top;
}