/* CSS Variables */
:root {
  --white: #ffffff;
  --cyber: #00f3ff;
  --dark-bg: #0a0a0a;
  --gray-900: #111111;
  --gray-800: #1f1f1f;
  --gray-700: #2a2a2a;
  --gray-600: #404040;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --font-inter: 'Inter', sans-serif;
  --font-orbitron: 'Orbitron', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-inter);
  background: var(--dark-bg);
  color: var(--white);
  overflow-x: hidden;
  cursor: none;
}

/* Custom Cursor */
.cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  background: var(--cyber);
  border-radius: 50%;
  z-index: 9999;
  pointer-events: none;
  mix-blend-mode: screen;
  transition: transform 0.1s ease;
}

/* Neural Network Background */
#neural-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, var(--dark-bg) 0%, #111111 100%);
}

/* Main Container */
.main-container {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(10, 10, 10, 0.8);
  border-bottom: 1px solid rgba(0, 243, 255, 0.2);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-text {
  font-family: var(--font-orbitron);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--cyber);
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

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

.contact-button,
.admin-button {
  background: linear-gradient(45deg, var(--cyber), #0066cc);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 2rem;
  font-weight: 600;
  border: none;
  font-family: var(--font-orbitron);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

.contact-button:hover,
.admin-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.6);
}

.admin-button {
  background: linear-gradient(45deg, #6b7280, #4b5563);
  box-shadow: 0 0 20px rgba(107, 114, 128, 0.3);
}

.admin-button:hover {
  box-shadow: 0 0 30px rgba(107, 114, 128, 0.6);
}

/* Hero Section */
.hero {
  padding: 12rem 2rem 8rem 2rem;
  text-align: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.hero-title {
  font-family: var(--font-orbitron);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  color: var(--cyber);
  margin-bottom: 2rem;
  text-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 4vw, 2rem);
  color: var(--gray-300);
  margin-bottom: 2rem;
  line-height: 1.4;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Quote */
.hero-quote {
  margin-top: 3rem;
  margin-bottom: 4rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.quote-text {
  color: var(--gray-300);
  font-size: 1.1rem;
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.quote-author {
  color: var(--cyber);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-orbitron);
  letter-spacing: 1px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-orbitron);
  font-size: 3rem;
  font-weight: 700;
  color: var(--cyber);
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

.stat-label {
  color: var(--gray-300);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.5rem;
}

/* Skills Section */
.skills-section {
  padding: 5rem 2rem;
}

.skills-container {
  max-width: 1400px;
  margin: 0 auto;
}

.skills-title {
  font-family: var(--font-orbitron);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--cyber);
  text-align: center;
  margin-bottom: 4rem;
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.skill-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
  text-align: center;
}

.skill-card:hover {
  transform: translateY(-10px);
  border-color: var(--cyber);
  box-shadow: 0 20px 40px rgba(0, 243, 255, 0.3);
}

.skill-title {
  font-family: var(--font-orbitron);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 1rem;
  font-weight: 600;
}

.skill-description {
  color: var(--gray-300);
  line-height: 1.6;
}

/* Reviews Section */
.reviews-section {
  padding: 5rem 1rem;
}

.reviews-container {
  max-width: 1400px;
  margin: 0 auto;
}

.reviews-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 4rem;
  color: var(--cyber);
  font-family: var(--font-orbitron);
}

.reviews-carousel {
  display: flex;
  overflow-x: auto;
  gap: 2rem;
  padding: 1rem 0 2rem 0;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--cyber) transparent;
}

.reviews-carousel::-webkit-scrollbar {
  height: 8px;
}

.reviews-carousel::-webkit-scrollbar-track {
  background: var(--gray-800);
  border-radius: 4px;
}

.reviews-carousel::-webkit-scrollbar-thumb {
  background: var(--cyber);
  border-radius: 4px;
}

.review-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  min-width: 320px;
  scroll-snap-align: start;
  transition: all 0.3s ease;
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 243, 255, 0.2);
  border-color: var(--cyber);
}

.review-stars {
  color: var(--cyber);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.review-text {
  color: var(--gray-300);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  font-size: 1rem;
}

.review-author {
  color: var(--white);
  font-weight: 600;
  font-size: 0.875rem;
}

/* Professional Skills Section */
.professional-skills-section {
  padding: 5rem 1rem;
  background: rgba(255, 255, 255, 0.01);
}

.professional-skills-container {
  max-width: 1400px;
  margin: 0 auto;
}

.professional-skills-title {
  font-family: var(--font-orbitron);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--cyber);
  text-align: center;
  margin-bottom: 1rem;
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

.professional-skills-subtitle {
  text-align: center;
  color: var(--gray-300);
  font-size: 1.2rem;
  margin-bottom: 4rem;
  font-weight: 300;
}

.skills-expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.skill-expertise-card {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%, 
    rgba(255, 255, 255, 0.05) 100%);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: 1rem;
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.skill-expertise-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--cyber), transparent, var(--cyber));
  border-radius: 1rem;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.skill-expertise-card:hover::before {
  opacity: 1;
}

.skill-expertise-card:hover {
  transform: translateY(-10px);
  border-color: var(--cyber);
  box-shadow: 0 20px 40px rgba(0, 243, 255, 0.3);
}

.skill-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.skill-name {
  font-family: var(--font-orbitron);
  font-size: 1.3rem;
  color: var(--white);
  margin: 0 0 0.5rem 0;
  font-weight: 600;
}

.skill-experience {
  color: var(--cyber);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.skill-level {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(45deg, #10b981, #059669);
  color: var(--white);
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.skill-desc {
  color: var(--gray-300);
  line-height: 1.5;
  font-size: 0.9rem;
  margin: 0;
}

/* Expert level styling */
.expert-10 {
  border-color: rgba(255, 215, 0, 0.3);
}

.expert-10:hover {
  border-color: gold;
  box-shadow: 0 20px 40px rgba(255, 215, 0, 0.3);
}

.expert-5 {
  border-color: rgba(34, 197, 94, 0.3);
}

.expert-5:hover {
  border-color: #22c55e;
  box-shadow: 0 20px 40px rgba(34, 197, 94, 0.3);
}

/* Portfolio CTA Section */
.portfolio-cta-section {
  text-align: center;
  padding: 3rem 0;
}

.view-portfolio-button {
  position: relative;
  padding: 1.25rem 3.75rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(45deg, var(--cyber), #0066cc);
  border: none;
  border-radius: 3rem;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.4s ease;
  font-family: var(--font-orbitron);
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.3);
  animation: pulse-glow 2s ease-in-out infinite;
}

.view-portfolio-button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 0 50px rgba(0, 243, 255, 0.6);
}

.button-glow {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--cyber), transparent, var(--cyber), transparent, var(--cyber));
  border-radius: 3rem;
  z-index: -1;
  opacity: 0;
  animation: glow-pulse 2s infinite ease-in-out;
}

.view-portfolio-button:hover .button-glow {
  opacity: 1;
}

.button-text {
  position: relative;
  z-index: 1;
}

/* Contact Section */
.contact-section {
  padding: 5rem 1rem;
  text-align: center;
}

.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

.contact-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--cyber);
  font-family: var(--font-orbitron);
}

.contact-subtitle {
  color: var(--gray-300);
  font-size: 1.2rem;
  margin-bottom: 3rem;
}

.bottom-contact-button {
  background: linear-gradient(45deg, var(--cyber), hsl(210, 100%, 40%));
  color: var(--white);
  padding: 1.25rem 3rem;
  border-radius: 3rem;
  font-weight: 700;
  border: none;
  font-family: var(--font-orbitron);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 1.2rem;
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.4);
  animation: pulse-glow 2s ease-in-out infinite;
  transition: all 0.3s ease;
  cursor: pointer;
}

.bottom-contact-button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 0 50px rgba(0, 243, 255, 0.8);
}

/* Modal Styles */
.modal {
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  border: 1px solid rgba(0, 243, 255, 0.3);
  border-radius: 1rem;
  padding: 2rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 243, 255, 0.2);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  border-bottom: 1px solid rgba(0, 243, 255, 0.2);
  padding-bottom: 1rem;
}

.modal-header h2 {
  font-family: var(--font-orbitron);
  color: var(--cyber);
  font-size: 1.5rem;
  margin: 0;
}

.close {
  color: var(--gray-400);
  font-size: 2rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
}

.close:hover {
  color: var(--cyber);
}

/* Form Styles */
.contact-form,
.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  color: var(--gray-300);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: 0.5rem;
  padding: 0.75rem;
  color: #000000;
  font-weight: bold;
  font-family: var(--font-inter);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyber);
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
}

.submit-button {
  background: linear-gradient(45deg, var(--cyber), #0066cc);
  color: var(--white);
  padding: 0.75rem 2rem;
  border-radius: 2rem;
  font-weight: 600;
  border: none;
  font-family: var(--font-orbitron);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1rem;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

/* Admin Styles */
.messages-list {
  max-height: 400px;
  overflow-y: auto;
  margin-bottom: 2rem;
}

.message-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.message-from {
  color: var(--cyber);
  font-weight: 600;
}

.message-date {
  color: var(--gray-400);
  font-size: 0.8rem;
}

.message-content {
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.message-actions {
  display: flex;
  gap: 0.5rem;
}

.reply-button,
.delete-button {
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.reply-button {
  background: var(--cyber);
  color: var(--dark-bg);
}

.delete-button {
  background: #ef4444;
  color: var(--white);
}

.logout-button {
  background: var(--gray-600);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.logout-button:hover {
  background: var(--gray-500);
}

/* Success Message */
.success-message {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 3000;
  background: linear-gradient(45deg, #10b981, #059669);
  color: var(--white);
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
  animation: slideIn 0.3s ease;
}

.success-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.success-icon {
  font-size: 1.2rem;
  font-weight: bold;
}

/* Animations */
@keyframes pulse-glow {
  0%, 100% { 
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.4);
  }
  50% { 
    box-shadow: 0 0 50px rgba(0, 243, 255, 0.8);
  }
}

@keyframes glow-pulse {
  0%, 100% { 
    opacity: 0;
  }
  50% { 
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-stats {
    gap: 2rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .skills-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-container {
    padding: 1rem;
  }
  
  .nav-buttons {
    gap: 0.5rem;
  }
  
  .contact-button,
  .admin-button {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
  
  .hero {
    padding: 8rem 1rem 6rem 1rem;
  }
  
  .modal-content {
    padding: 1.5rem;
    width: 95%;
  }
  
  .reviews-carousel {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .skills-expertise-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 1.2rem;
  }
  
  .view-portfolio-button {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
  
  .bottom-contact-button {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}