:root {
  /* Color Palette */
  --water-blue: #3D8FA3;
  --deep-teal: #176B68;
  --aquatic-green: #6E9F72;
  --soft-mint: #DCEEE5;
  --coral: #D96C5F;
  --warm-sand: #F3E9D7;
  --cream: #FFFDF7;
  --dark-text: #243338;
  --muted-text: #667579;
  --white: #FFFFFF;
  
  /* Typography */
  --font-heading: 'Lora', serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing & Layout */
  --container-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--cream);
  color: var(--dark-text);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--deep-teal);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

h1 { font-size: clamp(2.5rem, 4vw, 3.5rem); }
h2 { font-size: clamp(2rem, 3vw, 2.75rem); }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; color: var(--water-blue); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--muted-text);
}

a {
  color: var(--water-blue);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--deep-teal);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

/* Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }

.bg-cream { background-color: var(--cream); }
.bg-mint { background-color: var(--soft-mint); }
.bg-sand { background-color: var(--warm-sand); }
.bg-white { background-color: var(--white); }
.bg-teal { background-color: var(--deep-teal); color: var(--cream); }

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

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--deep-teal);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.3s ease, transform 0.2s ease;
  font-size: 1rem;
}

.btn:hover {
  background-color: var(--water-blue);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-coral {
  background-color: var(--coral);
}
.btn-coral:hover {
  background-color: #c45b4f;
}

/* Header & Navigation */
.site-header {
  background-color: var(--white);
  padding: 2rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
  }
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--deep-teal);
  letter-spacing: -0.5px;
}

.site-title {
  font-size: 1rem;
  color: var(--water-blue);
  font-family: var(--font-body);
  font-weight: 500;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  width: 100%;
}

@media (min-width: 1024px) {
  .main-nav {
    justify-content: flex-end;
  }
}

.main-nav a {
  color: var(--dark-text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
}

.main-nav a:hover {
  color: var(--coral);
}

/* Hero Section */
.hero {
  background-color: var(--soft-mint);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background-color: rgba(255,255,255,0.4);
  border-radius: 50%;
  z-index: 0;
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--deep-teal);
}

.hero p {
  font-size: 1.25rem;
  color: var(--dark-text);
  margin-bottom: 2.5rem;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Educational Cards */
.card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(36, 51, 56, 0.05);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.3s ease;
  border-top: 4px solid var(--water-blue);
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-top: 0;
  color: var(--deep-teal);
}

.card p {
  flex-grow: 1;
  font-size: 0.95rem;
}

.card .btn {
  margin-top: 1.5rem;
  align-self: flex-start;
}

.card-plant { border-top-color: var(--aquatic-green); }
.card-mistake { border-top-color: var(--coral); background-color: #fff9f8; }

/* Image Text Sections */
.image-text-block img {
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.content-block h2 {
  margin-bottom: 1.5rem;
}

/* Warning Section Specific */
.mistakes-section h2 {
  color: var(--coral);
}

/* Page Header (Internal Pages) */
.page-header {
  background-color: var(--warm-sand);
  padding: 4rem 0 3rem;
  text-align: center;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.page-header h1 {
  margin-bottom: 1rem;
}

/* Article/Content Layout */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2 {
  margin-top: 3rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--muted-text);
}

.article-content li {
  margin-bottom: 0.5rem;
}

/* Forms */
.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--cream);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--water-blue);
  box-shadow: 0 0 0 3px rgba(61, 143, 163, 0.2);
}

.form-success {
  display: none;
  background-color: var(--soft-mint);
  color: var(--deep-teal);
  padding: 1.5rem;
  border-radius: 4px;
  text-align: center;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  background-color: var(--deep-teal);
  color: var(--cream);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.site-footer a {
  color: var(--soft-mint);
}

.site-footer a:hover {
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
}

.footer-brand h3 {
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.footer-subtitle {
  color: var(--soft-mint);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.footer-nav h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.75rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--soft-mint);
}

.footer-bottom p {
  color: var(--soft-mint);
  margin-bottom: 0.5rem;
}

.disclaimer {
  font-style: italic;
  opacity: 0.8;
  max-width: 800px;
  margin: 1rem auto 0;
}

/* Cookie Popup */
.cookie-overlay {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: 0 -10px 40px rgba(0,0,0,0.1);
  padding: 2rem;
  z-index: 9999;
  display: none;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-overlay.active {
  display: block;
  transform: translateY(0);
}

.cookie-content {
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-text h4 {
  margin-bottom: 0.5rem;
  color: var(--deep-teal);
}

.cookie-text p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.cookie-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--deep-teal);
  color: var(--deep-teal);
}
.btn-outline:hover {
  background: var(--soft-mint);
  color: var(--deep-teal);
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .hero { padding: 4rem 0; text-align: center; }
  .hero-btns { justify-content: center; }
  .card { padding: 1.5rem; }
  .section-padding { padding: 3rem 0; }
  .main-nav { flex-direction: column; align-items: center; gap: 1rem; }
  .header-inner { text-align: center; }
  .btn { width: 100%; }
}