/* ============== 
   Variables 
   ============== */
:root {
  /* Colors */
  --color-primary: #1a3e72;
  --color-primary-dark: #0a1f44;
  --color-secondary: #0d47a1;
  --color-accent: #d32f2f;
  --color-accent-dark: #b71c1c;
  --color-light: #f5f7fa;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Typography */
  --text-base: 1rem;
  --text-sm: 0.875rem;
  --text-md: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-xxl: 2rem;
  --text-xxxl: 3rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.1);
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============== 
   Base Styles 
   ============== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-light);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xxl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-title {
  font-size: var(--text-xxl);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  font-weight: 700;
}

.section-subtitle {
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
  font-size: var(--text-md);
}

/* ============== 
   Components 
   ============== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: var(--text-base);
  cursor: pointer;
  transition: all var(--transition-normal);
  gap: var(--space-xs);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.5px;
  gap: var(--space-xs);
  transition: all var(--transition-normal);
}

.badge-light {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  backdrop-filter: blur(5px);
}

.badge-light:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

/* Cards */
.card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-sm);
  text-align: left;
  font-weight: 500;
}

.table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.table tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.02);
}

.table tr:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-md);
}

.form-control {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  transition: all var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 62, 114, 0.1);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* ============== 
   Layout 
   ============== */

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.header.sticky {
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
}

.navbar-brand {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.brand-title {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  letter-spacing: 1px;
}

.nav-menu {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-item {
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: var(--text-base);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
}

/* Mobile Menu */
.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: all var(--transition-normal);
  background-color: var(--color-primary);
}



/* About Section */
.about-container {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.profile-image {
  flex: 1;
  min-width: 350px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.profile-image img {
  transition: transform var(--transition-slow);
}

.profile-image:hover img {
  transform: scale(1.03);
}

.about-content {
  flex: 1;
  transform: translateY(20px);
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.about-text {
  margin-bottom: var(--space-lg);
  color: var(--color-text-light);
  line-height: 1.8;
  font-size: var(--text-md);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.contact-icon {
  color: var(--color-accent);
  font-size: var(--text-lg);
  margin-top: 3px;
}

.contact-label {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
}

.contact-value {
  color: var(--color-text-light);
  font-size: var(--text-base);
}

.contact-value a {
  color: var(--color-secondary);
}

.contact-value a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Qualifications Section */
.qualifications-section {
  background-color: var(--color-light);
}

.qualifications-container {
  display: flex;
  gap: var(--space-lg);
}

.qualifications-column {
  flex: 1;
}

.qualifications-subtitle {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  font-size: var(--text-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.qualification-list {
  list-style-type: none;
}

.qualification-item {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: var(--text-md);
  line-height: 1.7;
}

.qualification-item::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-size: var(--text-lg);
}

.qualification-item strong {
  color: var(--color-primary);
}

/* Skills Section */
.skills-container {
  display: flex;
  gap: var(--space-lg);
}

.skills-column {
  flex: 1;
}

.skills-subtitle {
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  font-size: var(--text-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hobbies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-sm);
}

.hobby-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-normal);
}

.hobby-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.hobby-item i {
  color: var(--color-accent);
  font-size: var(--text-lg);
  width: 25px;
  text-align: center;
}

/* Contact Section */
.contact-container {
  display: flex;
  gap: var(--space-lg);
}

.contact-info-container {
  flex: 1;
}

.contact-form {
  flex: 1;
}

.contact-info-item {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  align-items: flex-start;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-details h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  font-size: var(--text-lg);
}

.contact-details a {
  color: var(--color-secondary);
}

.contact-details a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

/* Footer */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-xxl) 0 var(--space-md);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.footer-brand {
  flex: 2;
}

.footer-brand .brand-name {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.footer-brand .brand-title {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-social {
  flex: 1;
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  color: var(--color-white);
  font-size: var(--text-xl);
  transition: all var(--transition-normal);
}

.footer-social a:hover {
  color: var(--color-accent);
  transform: translateY(-3px);
}

.footer-copyright {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============== 
   Utilities 
   ============== */
.animate-in {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* ============== 
   Responsive 
   ============== */
@media (max-width: 992px) {
  .about-container,
  .qualifications-container,
  .skills-container,
  .contact-container {
    flex-direction: column;
  }
  
  .profile-image {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    gap: 0;
    flex-direction: column;
    background-color: var(--color-white);
    width: 100%;
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    padding: var(--space-md) 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin: var(--space-md) 0;
  }

  .hero {
    padding: 150px 0 80px;
  }
  
  .hero-title {
    font-size: var(--text-xxl);
  }
  
  .hero-subtitle {
    font-size: var(--text-lg);
  }
  
  .badge-group {
    gap: var(--space-sm);
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 250px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--text-xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-md);
  }
  
  .badge {
    font-size: var(--text-xs);
    padding: var(--space-xs) var(--space-sm);
  }
  
  .section-title {
    font-size: var(--text-xl);
  }
  
  .profile-image {
    min-width: 100%;
  }
  
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .hobbies-grid {
    grid-template-columns: 1fr;
  }
}