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

:root {
  --primary-color: #f0a8c0; 
  --primary-dark: #e085b7;
  --text-color: #555; 
  --bg-color: #fdf6f8;
  --card-bg: rgba(255, 255, 255, 0.95);
  --transition: all 0.4s ease;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.08); 
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --primary-color: #bb86fc;
  --primary-dark: #03dac6;
  --text-color: #e0e0e0;
  --bg-color: #121212;
  --card-bg: #1e1e1e;
}

body {
  font-family: 'Quicksand', sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.8; 
  padding: 25px;
  transition: var(--transition);
}

/* Header Styles */
header {
  text-align: center;
  padding: 40px 0;
  position: relative;
}

header h1 {
  font-family: 'Pacifico', cursive;
  font-size: clamp(3em, 6vw, 4em);
  color: var(--primary-color);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.1);
  margin-bottom: 15px;
}

header p {
  font-size: clamp(1.1em, 2.2vw, 1.3em);
  color: var(--text-color);
  opacity: 0.9;
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 25px auto;
  background: var(--card-bg);
  padding: 40px;
  border-radius: 20px; 
  box-shadow: var(--shadow);
}

/* Sections */
section {
  margin-bottom: 50px;
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

section h2 {
  font-family: 'Pacifico', cursive;
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: var(--primary-color);
  margin-bottom: 25px;
  border-bottom: 3px dashed var(--primary-color);
  display: inline-block;
  padding-bottom: 8px;
}

/* Project Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
  margin-top: 25px;
}

.project-card {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 25px;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: var(--shadow);
}

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

.project-card h3 {
  color: var(--primary-color);
  margin-bottom: 12px;
}

.project-card p {
  margin-bottom: 18px;
  font-size: 0.95em;
}

/* Buttons and Links */
.btn {
  display: inline-block;
  padding: 12px 25px;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 35px;
  font-family: 'Quicksand', sans-serif;
  font-size: 1.1em;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.15);
}

/* Dark Mode Toggle */
#dark-mode-toggle {
  position: absolute;
  top: 25px;
  right: 25px;
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 10px 14px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

#dark-mode-toggle:hover {
  background: var(--primary-dark);
}

/* Social Links */
.social-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin: 25px 0;
}

.social-links a {
  color: var(--primary-color);
  font-size: 1.8em;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--primary-dark);
  transform: translateY(-4px);
}

/* Footer */
footer {
  text-align: center;
  font-size: 1em;
  color: var(--text-color);
  opacity: 0.8;
  padding: 25px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: 15px;
  }
  
  main {
    padding: 20px;
    margin: 15px auto;
  }
  
  header {
    padding: 20px 0;
  }
  
  header h1 {
    font-size: clamp(2.5em, 8vw, 3.5em);
  }
  
  header p {
    font-size: clamp(1em, 3vw, 1.2em);
  }
  
  .tab-navigation {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }
  
  .tab-btn {
    padding: 15px 20px;
    font-size: 1.1em;
    width: 100%;
    max-width: none;
    text-align: center;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .about-header {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  
  .profile-picture-container {
    width: 120px;
    height: 120px;
  }
  
  .info-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .interests-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  section {
    margin-bottom: 30px;
  }
  
  section h2 {
    font-size: clamp(1.5em, 5vw, 2em);
  }
  
  #dark-mode-toggle {
    top: 15px;
    right: 15px;
    padding: 8px 10px;
    font-size: 1rem;
  }
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 35px;
  margin-top: 25px;
}

.skill-category {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: 18px;
  font-size: 1.3em;
}

.skill-category ul {
  list-style: none;
  padding-left: 0;
}

.skill-category ul li {
  margin-bottom: 12px;
  padding: 10px 15px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 8px;
  transition: var(--transition);
}

.skill-category ul li:hover {
  background: rgba(0, 0, 0, 0.08);
  transform: translateX(8px);
}

/* Contact Section */
.contact-text {
  margin: 25px 0;
  font-size: 1.2em;
  color: var(--text-color);
  opacity: 0.9;
}

[data-theme="dark"] header h1 {
  color: var(--primary-color);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] header p {
  color: #b0b0b0;
}

[data-theme="dark"] main {
  background: var(--card-bg);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] section h2 {
  color: var(--primary-color);
  border-bottom: 3px dashed var(--primary-color);
}

[data-theme="dark"] section p {
  color: #d0d0d0;
}

[data-theme="dark"] section ul li {
  background: #3a3a5e;
  color: #e0e0e0;
}

[data-theme="dark"] section ul li:hover {
  background: #4a4a6e;
}

[data-theme="dark"] a {
  color: var(--primary-color);
}

[data-theme="dark"] a:hover {
  color: var(--primary-dark);
}

[data-theme="dark"] .btn {
  background: var(--primary-color);
  color: #1a1a2e;
}

[data-theme="dark"] .btn:hover {
  background: var(--primary-dark);
  color: #fff;
}

[data-theme="dark"] #dark-mode-toggle {
  background: var(--primary-color);
  color: #1a1a2e;
}

[data-theme="dark"] #dark-mode-toggle:hover {
  background: var(--primary-dark);
}

[data-theme="dark"] footer {
  color: #a0a0a0;
  border-top: 1px solid #2a2a4e;
}

/* Tab Navigation */
.tab-navigation {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin: 25px 0;
  padding: 0 25px;
}

.tab-btn {
  padding: 14px 28px;
  background: var(--card-bg);
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  border-radius: 35px;
  cursor: pointer;
  font-family: 'Quicksand', sans-serif;
  font-size: 1.2em;
  transition: var(--transition);
  text-align: center;
}

.tab-btn:hover {
  background: var(--primary-color);
  color: #fff;
  transform: translateY(-3px);
}

.tab-btn.active {
  background: var(--primary-color);
  color: #fff;
}

.tab-navigation a.tab-btn {
  text-decoration: none;
}

/* Tab Content */
.tab-content {
  display: none;
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* About Section Styles */
.about-content {
  max-width: 850px;
  margin: 0 auto;
  padding: 25px;
}

.about-header {
  display: flex;
  align-items: center;
  gap: 35px;
  margin-bottom: 45px;
  padding: 25px;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.profile-picture-container {
  position: relative;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--primary-color);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.profile-picture-container:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.18);
}

.profile-picture-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-title {
  flex: 1;
}

.about-title h2 {
  margin: 0;
  font-size: 2.2em;
  color: var(--primary-color);
}

.about-title .subtitle {
  margin-top: 12px;
  font-size: 1.3em;
  color: var(--text-color);
  opacity: 0.8;
}

[data-theme="dark"] .about-header {
  background: var(--card-bg);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .profile-picture-container {
  border-color: var(--primary-dark);
}

.info-section {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 35px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.info-section:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}

.info-section h3 {
  color: var(--primary-color);
  margin-bottom: 25px;
  font-size: 1.4em;
  border-bottom: 3px dashed var(--primary-color);
  padding-bottom: 12px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 25px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-label {
  font-size: 1em;
  color: var(--text-color);
  opacity: 0.7;
}

.info-value {
  font-size: 1.2em;
  color: var(--text-color);
  font-weight: 500;
}

.interests-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.interest-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: rgba(0, 0, 0, 0.03);
  border-radius: 10px;
  transition: var(--transition);
}

.interest-item:hover {
  background: rgba(0, 0, 0, 0.08);
  transform: translateX(8px);
}

.interest-item i {
  color: var(--primary-color);
  font-size: 1.3em;
}

[data-theme="dark"] .info-section {
  background: var(--card-bg);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .interest-item {
  background: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .interest-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .info-label {
  color: #b0b0b0;
}

[data-theme="dark"] .info-value {
  color: #e0e0e0;
}