:root {
  --primary: #3498DB;
  --accent-green: #2ECC71;
  --accent-orange: #E67E22;
  --accent-purple: #9B59B6;
  --dark: #2C3E50;
  --light: #ECF0F1;
  --white: #FFFFFF;
  --gray: #95A5A6;
  --gray-dark: #34495E;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', sans-serif;
  color: var(--dark);
  background-color: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}

h1 {
  font-size: 3.5rem;
  color: var(--dark);
}

h2 {
  font-size: 2.5rem;
  color: var(--dark);
  font-weight: 600;
}

h3 {
  font-size: 1.75rem;
  color: var(--dark);
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: var(--gray-dark);
  font-weight: 400;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 1000;
  padding: 1rem 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark);
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--dark);
  margin: 5px 0;
  transition: 0.3s;
}

main {
  margin-top: 80px;
}

section {
  padding: 80px 0;
}

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, rgba(52, 152, 219, 0.1) 100%);
  padding: 120px 0;
  display: flex;
  align-items: center;
  min-height: 600px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-text p {
  color: rgba(255,255,255,0.95);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.hero img {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.05rem;
  color: var(--gray);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.two-column-reverse {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.two-column-reverse > :first-child {
  order: 2;
}

.two-column-reverse > :last-child {
  order: 1;
}

.two-column img,
.two-column-reverse img {
  width: 100%;
  max-width: 450px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 2rem;
}

.pillar-card {
  background-color: #F8F9FA;
  padding: 30px;
  border-radius: 8px;
  border-left: 4px solid var(--primary);
  transition: all 0.3s ease;
}

.pillar-card:nth-child(2) {
  border-left-color: var(--accent-green);
}

.pillar-card:nth-child(3) {
  border-left-color: var(--accent-orange);
}

.pillar-card:nth-child(4) {
  border-left-color: var(--accent-purple);
}

.pillar-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.pillar-card h4 {
  color: var(--dark);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.pillar-card p {
  font-size: 0.95rem;
  color: var(--gray-dark);
}

.blog-section {
  background-color: var(--light);
  padding: 80px 0;
}

.blog-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 2rem;
}

.blog-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.blog-card-content {
  padding: 25px;
}

.blog-card h4 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--dark);
}

.blog-card p {
  font-size: 0.95rem;
  color: var(--gray-dark);
  margin-bottom: 1.5rem;
}

.blog-card a {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s ease;
}

.blog-card a:hover {
  gap: 0.75rem;
}

.faq-section {
  padding: 80px 0;
}

.faq-item {
  background-color: #F8F9FA;
  padding: 25px;
  margin-bottom: 20px;
  border-radius: 8px;
  border-left: 4px solid var(--primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-item:nth-child(2) {
  border-left-color: var(--accent-green);
}

.faq-item:nth-child(3) {
  border-left-color: var(--accent-orange);
}

.faq-item:nth-child(4) {
  border-left-color: var(--accent-purple);
}

.faq-item:nth-child(5) {
  border-left-color: var(--primary);
}

.faq-item:nth-child(6) {
  border-left-color: var(--accent-green);
}

.faq-item:hover {
  background-color: rgba(52, 152, 219, 0.05);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
}

.faq-toggle {
  width: 25px;
  height: 25px;
  background-color: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid rgba(0,0,0,0.1);
  color: var(--gray-dark);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  display: block;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-green) 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

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

.cta-section p {
  color: rgba(255,255,255,0.95);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 12px 40px;
  border-radius: 5px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.95rem;
}

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

.btn-primary:hover {
  background-color: var(--dark);
  transform: scale(1.05);
}

.btn-secondary {
  background-color: var(--accent-green);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #27AE60;
  transform: scale(1.05);
}

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

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

form {
  background-color: #F8F9FA;
  padding: 40px;
  border-radius: 8px;
  max-width: 600px;
  margin: 2rem auto;
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #DDD;
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.95rem;
  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(52, 152, 219, 0.1);
}

.form-disclaimer {
  background-color: rgba(52, 152, 219, 0.05);
  padding: 15px;
  border-radius: 5px;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--primary);
  font-size: 0.9rem;
  color: var(--gray-dark);
}

footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

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

.footer-section p {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
}

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

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

.footer-section ul li a {
  color: rgba(255,255,255,0.8);
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.disclaimer-banner {
  background-color: rgba(52, 152, 219, 0.1);
  border: 1px solid var(--primary);
  padding: 15px;
  border-radius: 5px;
  margin-bottom: 2rem;
  color: var(--dark);
  font-size: 0.95rem;
}

.disclaimer-banner strong {
  color: var(--primary);
}

.limitation-section {
  background-color: var(--light);
  padding: 40px;
  border-radius: 8px;
  margin: 40px 0;
  border-left: 4px solid var(--accent-orange);
}

.limitation-section h3 {
  color: var(--dark);
  margin-bottom: 1rem;
}

.limitation-section p {
  color: var(--gray-dark);
  line-height: 1.8;
}

.limitation-section ul {
  margin: 1rem 0 0 1.5rem;
  color: var(--gray-dark);
}

.limitation-section ul li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    width: 100%;
    text-align: center;
    gap: 0;
  }

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

  .nav-links a {
    display: block;
    padding: 15px;
    border-bottom: 1px solid var(--light);
  }

  .nav-toggle {
    display: flex;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.75rem;
  }

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

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

  .two-column-reverse > :first-child,
  .two-column-reverse > :last-child {
    order: auto;
  }

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

  .blog-cards {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

  section {
    padding: 50px 0;
  }

  .hero {
    padding: 80px 0;
    min-height: 400px;
  }
}

@media (max-width: 576px) {
  header {
    padding: 0.75rem 0;
  }

  .navbar {
    padding: 0 15px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .container {
    padding: 0 15px;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .btn {
    padding: 10px 25px;
    font-size: 0.85rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  form {
    padding: 25px;
  }

  section {
    padding: 30px 0;
  }
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--dark);
  color: var(--white);
  padding: 20px 30px;
  z-index: 999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
}

.cookie-banner p {
  color: rgba(255,255,255,0.9);
  margin: 0;
  font-size: 0.9rem;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 8px 20px;
  border-radius: 5px;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

.cookie-accept:hover {
  background-color: #2980B9;
}

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

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

.cookie-learn {
  background-color: var(--accent-green);
  color: var(--white);
}

.cookie-learn:hover {
  background-color: #27AE60;
}

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

.nutrition-section {
  padding: 80px 0;
}

.hydration-section {
  padding: 80px 0;
  background-color: var(--light);
}

.mindbody-section {
  padding: 80px 0;
}

.sleep-section {
  padding: 80px 0;
  background-color: var(--light);
}
