:root {
  --primary: #2E8B57;
  --accent-yellow: #F0E68C;
  --accent-gray: #DCDCDC;
  --accent-purple: #6A5ACD;
  --text-dark: #333333;
  --text-light: #666666;
  --bg-light: #F9F9F9;
  --white: #FFFFFF;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Rubik', sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'Open Sans', sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

p {
  font-size: 1.05rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

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

a:hover {
  color: var(--accent-purple);
  text-decoration: underline;
}

header {
  background-color: var(--white);
  border-bottom: 2px solid var(--accent-gray);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo:hover {
  color: var(--accent-purple);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary);
  text-decoration: none;
}

.container-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 5rem 0;
}

.hero-section {
  background: linear-gradient(135deg, rgba(46, 139, 87, 0.1) 0%, rgba(106, 90, 205, 0.08) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  margin-bottom: 2rem;
}

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(46, 139, 87, 0.15);
}

.section-light {
  background-color: var(--bg-light);
}

.section-white {
  background-color: var(--white);
}

.section-accent-yellow {
  background-color: var(--accent-yellow);
  color: var(--text-dark);
}

.section-accent-purple {
  background-color: var(--accent-purple);
  color: var(--white);
}

.section-accent-purple h2 {
  color: var(--white);
}

.section-accent-purple h3 {
  color: var(--white);
}

.section-accent-gray {
  background-color: var(--accent-gray);
  color: var(--text-dark);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.two-column.reverse {
  grid-template-columns: 1fr 1fr;
}

.two-column.reverse .column-image {
  order: -1;
}

.column-text {
  display: flex;
  flex-direction: column;
}

.column-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

ul {
  list-style: none;
  margin-bottom: 2rem;
}

ul li {
  margin-bottom: 1rem;
  padding-left: 2rem;
  position: relative;
  color: var(--text-light);
}

ul li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
  font-size: 1.2rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.nutrition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.nutrition-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-left: 4px solid var(--text-dark);
  transition: transform 0.3s ease;
}

.nutrition-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.nutrition-card h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.nutrition-card p {
  font-size: 0.95rem;
  margin: 0;
}

.habits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.habit-item {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.habit-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.habit-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.habit-item h3 {
  color: var(--primary);
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.habit-item p {
  font-size: 0.95rem;
  margin: 0;
}

.activity-table {
  margin-top: 2rem;
  overflow-x: auto;
}

.activity-table table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.activity-table th {
  background-color: var(--primary);
  color: var(--white);
  padding: 1.5rem;
  text-align: left;
  font-weight: 700;
}

.activity-table td {
  padding: 1.5rem;
  border-bottom: 1px solid var(--accent-gray);
}

.activity-table tr:last-child td {
  border-bottom: none;
}

.activity-table tr:nth-child(even) {
  background-color: var(--bg-light);
}

.activity-table tr:hover {
  background-color: rgba(46, 139, 87, 0.05);
}

.changes-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.change-block {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(255,255,255,0.5);
  border-top: 4px solid var(--white);
}

.change-block h3 {
  color: var(--white);
  margin-bottom: 1rem;
}

.change-block p {
  color: rgba(255,255,255,0.95);
  margin: 0;
}

.balance-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
}

.balance-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.body-systems {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.system-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--accent-gray);
}

.system-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(46, 139, 87, 0.15);
}

.system-card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.system-card h3 {
  color: var(--primary);
  margin-bottom: 0.8rem;
}

.system-card p {
  font-size: 0.95rem;
  margin: 0;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.mobile-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: var(--white);
  text-align: center;
  padding: 3rem 2rem;
  border-radius: 12px;
  margin-top: 3rem;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta-section p {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--text-dark);
  color: var(--white);
  padding: 1.5rem 2rem;
  z-index: 999;
  display: none;
}

.cookie-banner.show {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  width: 100%;
}

.cookie-content p {
  margin: 0;
  color: var(--white);
  font-size: 0.95rem;
}

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

.btn-sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
}

.btn-success {
  background-color: var(--primary);
  color: var(--white);
  border: none;
}

.btn-success:hover {
  background-color: var(--accent-purple);
  text-decoration: none;
  color: var(--white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-secondary:hover {
  background-color: rgba(255,255,255,0.1);
  text-decoration: none;
  color: var(--white);
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-outline-primary:hover {
  background-color: rgba(255,255,255,0.1);
  text-decoration: none;
  color: var(--white);
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 4px solid var(--primary);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(46, 139, 87, 0.2);
}

.card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.card p {
  font-size: 1rem;
  margin-bottom: 0;
}

.habits-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.habit-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.habit-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: bold;
}

.habit-text h4 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.habit-text p {
  font-size: 0.95rem;
  margin: 0;
}

.activity-types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.activity-card {
  background: linear-gradient(135deg, rgba(46, 139, 87, 0.08), rgba(106, 90, 205, 0.08));
  padding: 1.5rem;
  border-radius: 10px;
  border-left: 4px solid var(--primary);
}

.activity-card h4 {
  color: var(--primary);
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.age-changes {
  background: linear-gradient(135deg, var(--accent-yellow), rgba(240, 230, 140, 0.3));
  padding: 2.5rem;
  border-radius: 12px;
  margin-top: 2rem;
}

.age-changes p {
  color: var(--text-dark);
  font-size: 1.05rem;
}

.accordion {
  margin-top: 2rem;
}

.accordion-item {
  border: 1px solid var(--accent-gray);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-header {
  background-color: var(--bg-light);
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--primary);
  transition: background-color 0.3s ease;
}

.accordion-header:hover {
  background-color: var(--accent-gray);
}

.accordion-header.active {
  background-color: var(--primary);
  color: var(--white);
}

.accordion-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.accordion-icon.active {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background-color: var(--white);
}

.accordion-content.active {
  max-height: 500px;
  padding: 1.5rem;
}

.accordion-content p {
  margin: 0;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  color: var(--white);
  text-align: center;
  padding: 3rem 2rem;
  border-radius: 12px;
  margin-top: 3rem;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta-section p {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  border: 2px solid var(--primary);
}

.btn-primary:hover {
  background-color: var(--white);
  color: var(--primary);
  text-decoration: none;
}

.btn-secondary {
  background-color: var(--white);
  color: var(--primary);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background-color: transparent;
  color: var(--white);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

footer {
  background-color: var(--text-dark);
  color: var(--white);
  padding: 3rem 0 1rem;
  font-size: 0.95rem;
  margin-top: 5rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--accent-yellow);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-section p, .footer-section a {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: #CCCCCC;
}

.footer-section a:hover {
  color: var(--accent-yellow);
}

.footer-bottom {
  border-top: 1px solid #555;
  padding-top: 2rem;
  text-align: center;
  color: #999;
  font-size: 0.9rem;
}

.disclaimer {
  background-color: var(--accent-gray);
  padding: 1.5rem;
  border-radius: 8px;
  margin-top: 2rem;
  border-left: 4px solid var(--primary);
}

.disclaimer p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-dark);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--accent-gray);
  border-radius: 6px;
  font-family: 'Rubik', sans-serif;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.thank-you-content {
  text-align: center;
  padding: 3rem;
}

.thank-you-content h1 {
  margin-bottom: 1.5rem;
}

.thank-you-content p {
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.infographic {
  background: linear-gradient(135deg, rgba(46, 139, 87, 0.1), rgba(106, 90, 205, 0.1));
  padding: 2.5rem;
  border-radius: 12px;
  margin-top: 2rem;
  text-align: center;
}

.infographic-item {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.info-box {
  flex: 1;
  min-width: 150px;
  background: var(--white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.info-box-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--accent-purple));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--white);
  font-size: 1.8rem;
  font-weight: bold;
}

.info-box h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.info-box p {
  font-size: 0.95rem;
  margin: 0;
}

.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--text-dark);
  color: var(--white);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  z-index: 999;
  flex-wrap: wrap;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.cookie-consent.show {
  max-height: 200px;
}

.cookie-text {
  flex: 1;
  min-width: 300px;
  font-size: 0.95rem;
}

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

.btn-cookie {
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

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

.btn-accept:hover {
  background-color: var(--accent-purple);
}

.btn-decline {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-decline:hover {
  background-color: rgba(255,255,255,0.1);
}

.btn-learn {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-learn:hover {
  background-color: rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .navbar {
    flex-wrap: wrap;
    padding: 1rem 2rem;
    position: relative;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding: 1rem;
    border-bottom: 1px solid var(--accent-gray);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }

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

  .nav-links li {
    width: 100%;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--accent-gray);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
  }

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

  .two-column {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  section {
    padding: 3rem 0;
  }

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

  .cookie-consent {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .cookie-consent.show {
    max-height: 500px;
  }

  .cookie-buttons {
    width: 100%;
    justify-content: space-around;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  .navbar {
    padding: 1rem;
  }

  .logo {
    font-size: 1.3rem;
  }

  .nav-links {
    gap: 0.5rem;
    font-size: 0.9rem;
  }

  .container-wide {
    padding: 0 1rem;
  }

  section {
    padding: 2rem 0;
  }
}