:root {
  --primary-color: #bf7081;           
  --secondary-color: #0a9396;         
  --accent-color: #94d2bd;          
  --text-color: #023047;              
  --light-text: white;              
  --background: white;                
  --titleprincipal: #8B5E5A;        
  --item-bg: #fff2e8;               
}

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

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

header {
  background-color: var(--primary-color);
  color: #924a3d;
  padding: 1.2rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
  font-size: 1.6rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.logo img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

nav.navbar {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--light-text);
  text-decoration: none;
  font-weight: 500;
}

.hero {
  background: linear-gradient(to bottom right, #f2e8e4, #fdf8f5);
  color: var(--light-text);
  text-align: center;
  padding: 6rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 400;
  color: #0a9396;
  letter-spacing: 1px;
}

.hero-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
  width: 100%;
  max-width: 300px;
}

.hero-divider .line {
  flex: 1;
  height: 1px;
  background-color: #dcb3b7;
}

.hero-divider i {
  color: #c9949a;
  font-size: 1rem;
}

.hero p {
  font-size: 1.2rem;
  color: #924a3d;
  font-weight: 400;
}

main {
  display: block;
}

.content-section {
  padding: 3rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-title h2 {
  font-size: 2rem;
  color: #924a3d;
  font-weight: 500;
}

.title-divider {
  margin: 0.4rem 0 0.8rem 0;
  color: #c9949a;
  font-size: 1.1rem;
}

.section-title .subtitle {
  color: #a8727a;
  font-size: 0.95rem;
  font-weight: 400;
}

.section-title p {
  color: #924a3d;
  font-size: 1rem;
}


.interactive-accordion {
  display: flex;
  gap: 1rem;
  width: 100%;
  min-height: 340px;
  margin-top: 1.5rem;
}

.accordion-item {
  background: var(--item-bg);
  flex: 1;
  border-radius: 8px;
  padding: 1.5rem;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  position: relative;
}


.bio-container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}


.bio-main-card {
  background: rgba(255, 242, 232, 0.4);
  padding: 2rem 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(146, 74, 61, 0.03);
  text-align: center;
}

.bio-main-card p {
  color: #555;
  font-size: 1rem;
  margin-bottom: 1.2rem;
  line-height: 1.8;
}

.bio-main-card p:last-child {
  margin-bottom: 0;
}

.bio-main-card a {
  color: #924a3d;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(146, 74, 61, 0.3);
  transition: border-color 0.3s;
}

.bio-main-card a:hover {
  border-color: #924a3d;
}


.bio-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(146, 74, 61, 0.04);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  border: 1px solid rgba(242, 232, 228, 0.5);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
}


.feature-icon-wrapper {
  background-color: #fcf4f0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

.feature-icon-wrapper i {
  color: #a8727a;
  font-size: 1.4rem;
}


.feature-text h3 {
  color: #924a3d;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.feature-text p {
  color: #666;
  font-size: 0.88rem;
  line-height: 1.4;
}


.accordion-item.active {
  flex: 5;
  cursor: default;
}


.accordion-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.accordion-emoji {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  display: block;
}

.accordion-title {
  color: var(--primary-color);
  font-size: 1.3rem;
  font-weight: 600;
  white-space: nowrap;
}


.accordion-item:not(.active) .accordion-header {
  margin-bottom: 0;
  height: 100%;
}

.accordion-item:not(.active) .accordion-title {
  writing-mode: vertical-rl;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1rem;
  margin-top: 1rem;
}


.accordion-content {
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.accordion-item.active .accordion-content {
  opacity: 1;
  visibility: visible;
  max-height: 1000px;
  margin-top: 0.5rem;
}

.accordion-content h3 {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid #f2e8e4;
  padding-bottom: 0.3rem;
}

.accordion-content ul {
  padding-left: 1.2rem;
}

.accordion-content li {
  color: #444;
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}

.collaborators {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.collaborator-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: 0.3rem 0;
  display: inline-block;
}

.collaborator-link:hover {
  text-decoration: underline;
}

.contact-info {
  text-align: center;
  margin-top: 1.5rem;
}

.contact-info a {
  color: var(--primary-color);
  text-decoration: none;
}

footer {
  background-color: var(--primary-color);
  color: #ffffff;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 3rem;
}

footer a {
  color: var(--accent-color);
  text-decoration: none;
}


@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav.navbar {
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
  }

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

  
  .interactive-accordion {
    flex-direction: column;
    min-height: auto;
  }
  
  .accordion-item {
    flex: none;
    width: 100%;
    min-height: 80px;
  }
  
  .accordion-item.active {
    flex: none;
  }
  
  .accordion-item:not(.active) .accordion-header {
    flex-direction: row;
    gap: 1rem;
    justify-content: flex-start;
  }
  
  .accordion-item:not(.active) .accordion-title {
    writing-mode: horizontal-tb;
    margin-top: 0;
  }
  
  .accordion-emoji {
    font-size: 1.8rem;
    margin-bottom: 0;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 3rem 1.5rem;
  }

  .hero h1 {
    font-size: 1.6rem;
  }
}


.social-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 3rem; 
  margin-top: 2rem;
  flex-wrap: wrap; 
}

.social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 150px;
}

.social-link {
  color: #924a3d; 
  font-size: 3rem; 
  text-decoration: none;
  transition: transform 0.3s ease, color 0.3s ease;
  margin-bottom: 0.5rem;
}


.social-link:hover {
  transform: scale(1.1);
  color: var(--primary-color); 
}

.social-text {
  font-size: 0.9rem;
  color: var(--text-color);
  font-weight: 500;
  margin-top: 0.3rem;
}


nav.navbar a {
  position: relative;
  padding: 0.4rem 0;
  transition: color 0.3s ease;
}


nav.navbar a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--light-text); 
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}


nav.navbar a.active::after,
nav.navbar a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}