/* Modern CSS Reset */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #f59e0b;
  --dark: #1e293b;
  --light: #f8fafc;
  --gray: #64748b;
  --light-gray: #e2e8f0;
  --success: #10b981;
  --danger: #ef4444;
  
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --transition: all 0.3s ease;
  --radius: 0.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
}

a {
  text-decoration: none;
  color: inherit;
}

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

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section.dark {
  background-color: var(--dark);
  color: var(--light);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header h2 span {
  color: var(--primary);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

.dark .section-header p {
  color: var(--light-gray);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
  gap: 0.5rem;
}

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

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

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

.btn.secondary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

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

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition);
}

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

.nav-links a.active {
  color: var(--primary);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--dark);
  border-radius: 3px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero {
  padding-top: 120px;
  background-color: var(--primary);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 120px);
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  padding-right: 2rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero h1 span {
  color: var(--secondary);
}

.hero .subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.stats {
  display: flex;
  gap: 2rem;
}

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

.stat-item .number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.stat-item .label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-image {
  flex: 1;
  position: relative;
}

.hero-image img {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.hero-image .shape {
  position: absolute;
  width: 500px;
  height: 500px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-30%, -50%);
  z-index: 0;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.service-card .icon {
  width: 80px;
  height: 80px;
  background-color: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  transition: var(--transition);
}

.service-card:hover .icon {
  background-color: var(--secondary);
  transform: rotateY(180deg);
}

.service-card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.service-card p {
  color: var(--gray);
}

/* Portfolio Section */
.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  background-color: var(--light-gray);
  color: var(--dark);
  font-weight: 500;
  transition: var(--transition);
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

/* About Section */
.about-content {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.about-text {
  flex: 1;
}

.about-image {
  flex: 1;
  position: relative;
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.certificates {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  display: flex;
  gap: 1rem;
}

.certificate {
  width: 100px;
  height: 100px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.certificate:hover {
  transform: scale(1.1);
}

.skill-bars {
  margin-top: 2rem;
}

.skill {
  margin-bottom: 1.5rem;
}

.skill-name {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background-color: var(--light-gray);
  border-radius: 5px;
  overflow: hidden;
}

.progress {
  height: 100%;
  background-color: var(--primary);
  border-radius: 5px;
}

/* Contact Section */
.contact-container {
  display: flex;
  gap: 3rem;
}

.contact-info {
  flex: 1;
}

.info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  align-items: flex-start;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--primary);
  margin-top: 0.25rem;
}

.info-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

.contact-form {
  flex: 1;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--light-gray);
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: var(--light);
  padding: 4rem 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: white;
}

.footer-col p {
  opacity: 0.8;
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  opacity: 1;
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  opacity: 0.7;
}

.legal-links {
  display: flex;
  gap: 1.5rem;
}

.legal-links a {
  opacity: 0.7;
  transition: var(--transition);
}

.legal-links a:hover {
  opacity: 1;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 1s ease forwards;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
  
  .hero-content {
    padding-right: 0;
    margin-bottom: 3rem;
  }
  
  .cta-buttons {
    justify-content: center;
  }
  
  .stats {
    justify-content: center;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .contact-container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: white;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: var(--transition);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .section {
    padding: 3rem 0;
  }
}

@media (max-width: 576px) {
  .cta-buttons {
    flex-direction: column;
  }
  
  .stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .hero-image .shape {
    width: 300px;
    height: 300px;
  }
  
  .certificates {
    position: static;
    margin-top: 2rem;
    justify-content: center;
  }
}