/* Professional Portfolio Styles */

/* CSS Variables */
:root {
  /* Colors */
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --primary-light: #3b82f6;
  --secondary: #06b6d4;
  --accent: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
}

.brand-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Style Switcher */
.style-switcher {
  margin-right: var(--space-6);
}

.style-toggle-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-full);
  color: var(--gray-700);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.style-toggle-btn:hover {
  background: var(--gray-200);
  border-color: var(--gray-400);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  position: relative;
  color: var(--gray-600);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--gray-50);
}

.nav-link.active {
  color: var(--primary);
  background: var(--gray-50);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transform: translateX(-50%);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Hero Section */
.hero-section {
  padding: var(--space-24) 0 var(--space-20);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e5e7eb" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.gradient-text {
  background: linear-gradient(135deg, var(--gray-900), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  color: var(--gray-600);
  margin-bottom: var(--space-6);
  font-weight: 600;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 20px;
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-full {
  width: 100%;
  justify-content: center;
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  font-weight: 500;
}

/* Hero Image */
.hero-image {
  position: relative;
}

.image-container {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 0 auto;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.floating-element {
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.floating-element i {
  font-size: var(--font-size-xl);
  color: var(--primary);
}

.element-1 {
  top: 10%;
  left: -10%;
  animation-delay: 0s;
}

.element-2 {
  top: 20%;
  right: -10%;
  animation-delay: 1.5s;
}

.element-3 {
  bottom: 30%;
  left: -15%;
  animation-delay: 3s;
}

.element-4 {
  bottom: 10%;
  right: -5%;
  animation-delay: 4.5s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about-section {
  padding: var(--space-20) 0;
  background: var(--white);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.skills-grid {
  display: grid;
  gap: var(--space-8);
}

.skill-category {
  margin-bottom: var(--space-6);
}

.skill-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-3);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-tag {
  padding: var(--space-2) var(--space-4);
  background: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition);
}

.skill-tag:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-1px);
}

.about-image {
  position: relative;
}

.image-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.8), rgba(59, 130, 246, 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.image-card:hover .image-overlay {
  opacity: 1;
}

.overlay-content {
  text-align: center;
  color: var(--white);
}

.overlay-content h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.overlay-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

/* Projects Section */
.projects-section {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.filter-buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  color: var(--gray-600);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.project-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.project-content {
  padding: var(--space-6);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

.project-description {
  color: var(--gray-600);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.tech-tag {
  padding: var(--space-1) var(--space-3);
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.project-actions {
  display: flex;
  gap: var(--space-3);
}

.project-btn {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--gray-100);
  color: var(--gray-700);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  text-align: center;
}

.project-btn:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-1px);
}

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

.project-btn.primary:hover {
  background: var(--primary-dark);
}

/* Services Section */
.services-section {
  padding: var(--space-20) 0;
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.service-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.service-card.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
}

.service-card.featured .service-title,
.service-card.featured .service-description,
.service-card.featured .service-feature {
  color: var(--white);
}

.service-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.service-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

.service-price {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.service-duration {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin-bottom: var(--space-4);
}

.service-description {
  color: var(--gray-600);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.service-features {
  list-style: none;
  margin-bottom: var(--space-6);
}

.service-feature {
  padding: var(--space-2) 0;
  color: var(--gray-600);
  border-bottom: 1px solid var(--gray-200);
}

.service-feature:last-child {
  border-bottom: none;
}

.service-feature::before {
  content: '✓';
  color: var(--accent);
  font-weight: bold;
  margin-right: var(--space-2);
}

.service-btn {
  width: 100%;
  padding: var(--space-4) var(--space-6);
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: var(--transition);
}

.service-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

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

.service-card.featured .service-btn:hover {
  background: var(--gray-100);
}

/* Contact Section */
.contact-section {
  padding: var(--space-20) 0;
  background: var(--gray-50);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact-info {
  display: grid;
  gap: var(--space-6);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
}

.contact-details h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.contact-details p {
  color: var(--gray-600);
}

.contact-form {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
  font-family: var(--font-family);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

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

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  margin-bottom: var(--space-8);
}

.footer-brand h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.footer-brand p {
  color: var(--gray-400);
  margin-bottom: var(--space-4);
}

.social-links {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  color: var(--gray-400);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-column h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.footer-column a {
  display: block;
  color: var(--gray-400);
  text-decoration: none;
  margin-bottom: var(--space-2);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--space-8);
  text-align: center;
  color: var(--gray-400);
}

.footer-bottom p {
  margin-bottom: var(--space-2);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: var(--space-4);
    right: var(--space-4);
    flex-direction: column;
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: none;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .image-container {
    width: 300px;
    height: 300px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .nav-container {
    padding: 0 var(--space-4);
  }
  
  .hero-section {
    padding: var(--space-20) 0 var(--space-16);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .image-container {
    width: 250px;
    height: 250px;
  }
  
  .floating-element {
    width: 50px;
    height: 50px;
  }
  
  .floating-element i {
    font-size: var(--font-size-lg);
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* Selection */
::selection {
  background: rgba(30, 64, 175, 0.2);
  color: var(--gray-900);
}

/* Focus Styles */
*:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

/* Professional Music Player */
.music-player {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 9999;
  max-width: 320px;
  min-width: 280px;
}

.music-container {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(30, 64, 175, 0.2);
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.3s ease;
}

.music-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.music-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
}

.music-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.music-title i {
  font-size: 1rem;
}

.music-controls-toggle {
  display: flex;
  align-items: center;
}

.music-toggle-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.music-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.music-content {
  padding: 1rem;
}

.music-info {
  margin-bottom: 1rem;
}

.music-track-title {
  font-weight: 600;
  color: var(--gray-800);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-status {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-family: 'JetBrains Mono', monospace;
}

.music-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.music-play-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.music-play-btn:hover {
  background: var(--secondary);
  transform: scale(1.1);
  box-shadow: 0 5px 15px rgba(30, 64, 175, 0.3);
}

.music-play-btn.playing {
  background: var(--success);
}

.music-play-btn.playing:hover {
  background: #059669;
}

.music-progress-container {
  flex: 1;
  min-width: 0;
}

.music-progress {
  width: 100%;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.music-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 3px;
  width: 0%;
  transition: width 0.1s ease;
  position: relative;
}

.music-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 12px;
  height: 100%;
  background: var(--secondary);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 6px rgba(59, 130, 246, 0.5);
}

.music-time {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--gray-500);
  font-family: 'JetBrains Mono', monospace;
}

.music-current-time,
.music-duration {
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 0.375rem;
  font-size: 0.7rem;
}

.music-volume {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.music-volume-icon {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.music-volume-slider {
  flex: 1;
  height: 4px;
  background: var(--gray-200);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}

.music-volume-bar {
  height: 100%;
  background: var(--secondary);
  border-radius: 2px;
  width: 70%;
  transition: width 0.1s ease;
}

/* Hide default audio controls */
.music-player audio {
  display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .music-player {
    bottom: 0.75rem;
    right: 0.75rem;
    max-width: 280px;
    min-width: 240px;
  }
  
  .music-container {
    max-width: 100%;
  }
  
  .music-header {
    padding: 0.75rem;
  }
  
  .music-content {
    padding: 0.75rem;
  }
  
  .music-title {
    font-size: 0.8rem;
  }
  
  .music-track-title {
    font-size: 0.8rem;
  }
  
  .music-status {
    font-size: 0.7rem;
  }
  
  .music-play-btn {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }
  
  .music-progress {
    height: 5px;
  }
  
  .music-time {
    font-size: 0.7rem;
  }
  
  .music-current-time,
  .music-duration {
    font-size: 0.65rem;
  }
  
  .music-volume-icon {
    font-size: 0.7rem;
  }
  
  .music-volume-slider {
    height: 3px;
  }
}

@media (max-width: 480px) {
  .music-player {
    bottom: 0.5rem;
    right: 0.5rem;
    left: 0.5rem;
    max-width: calc(100vw - 1rem);
    min-width: 200px;
  }
  
  .music-header {
    padding: 0.5rem;
  }
  
  .music-content {
    padding: 0.5rem;
  }
  
  .music-title {
    font-size: 0.75rem;
  }
  
  .music-track-title {
    font-size: 0.75rem;
  }
  
  .music-status {
    font-size: 0.65rem;
  }
  
  .music-play-btn {
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }
  
  .music-progress {
    height: 4px;
  }
  
  .music-time {
    font-size: 0.65rem;
  }
  
  .music-current-time,
  .music-duration {
    font-size: 0.6rem;
  }
  
  .music-volume-icon {
    font-size: 0.65rem;
  }
  
  .music-volume-slider {
    height: 2px;
  }
}

/* Ultra Modern Get Started Buttons */
.nav-link.get-started-btn {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
  color: white !important;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
  border: 2px solid transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.025em;
}

.nav-link.get-started-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.nav-link.get-started-btn:hover::before {
  left: 100%;
}

.nav-link.get-started-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #0891b2 100%);
}

.nav-link.get-started-btn:active {
  transform: translateY(0) scale(1.02);
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.nav-link.get-started-btn i {
  font-size: 1rem;
  animation: rocketPulse 2s ease-in-out infinite;
}

@keyframes rocketPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Footer Get Started Button */
.footer-get-started-btn {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
  color: white !important;
  padding: 0.75rem 1.25rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
  border: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.025em;
  margin-top: 0.5rem;
}

.footer-get-started-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.footer-get-started-btn:hover::before {
  left: 100%;
}

.footer-get-started-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #0891b2 100%);
}

.footer-get-started-btn:active {
  transform: translateY(0) scale(1.02);
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.footer-get-started-btn i {
  font-size: 0.9rem;
  animation: rocketPulse 2s ease-in-out infinite;
}

/* Responsive Design for Get Started Buttons */
@media (max-width: 768px) {
  .nav-link.get-started-btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.8rem;
  }
  
  .footer-get-started-btn {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .nav-link.get-started-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  
  .footer-get-started-btn {
    padding: 0.5rem 0.8rem;
    font-size: 0.75rem;
  }
}

/* Hero Get Started Button */
.btn.hero-get-started-btn {
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #06b6d4 100%);
  color: white !important;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
  border: 3px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  min-width: 180px;
  justify-content: center;
}

.btn.hero-get-started-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

.btn.hero-get-started-btn:hover::before {
  left: 100%;
}

.btn.hero-get-started-btn:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 15px 35px rgba(30, 64, 175, 0.5);
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #0891b2 100%);
}

.btn.hero-get-started-btn:active {
  transform: translateY(-1px) scale(1.05);
  box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

.btn.hero-get-started-btn i {
  font-size: 1.2rem;
  animation: heroRocketPulse 2s ease-in-out infinite;
}

@keyframes heroRocketPulse {
  0%, 100% { 
    transform: scale(1) rotate(0deg); 
  }
  25% { 
    transform: scale(1.1) rotate(-5deg); 
  }
  50% { 
    transform: scale(1.2) rotate(0deg); 
  }
  75% { 
    transform: scale(1.1) rotate(5deg); 
  }
}

/* Responsive Design for Hero Get Started Button */
@media (max-width: 768px) {
  .btn.hero-get-started-btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    min-width: 160px;
  }
  
  .btn.hero-get-started-btn i {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .btn.hero-get-started-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    min-width: 140px;
    gap: 0.5rem;
  }
  
  .btn.hero-get-started-btn i {
    font-size: 1rem;
  }
}

/* Hero Get Started Container */
.hero-get-started-container {
  display: flex;
  justify-content: center;
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

/* Responsive Design for Hero Get Started Container */
@media (max-width: 768px) {
  .hero-get-started-container {
    margin-top: 0.75rem;
    margin-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-get-started-container {
    margin-top: 0.5rem;
    margin-bottom: 0.75rem;
  }
}