/* ===== Modern Global Styles ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #f59e0b;
  --accent-color: #ec4899;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-dark: #0f172a;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-secondary);
  font-weight: 400;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 500;
}

.section {
  padding: 100px 20px;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Modern Navbar ===== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

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

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::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 1000 1000"><polygon fill="rgba(255,255,255,0.1)" points="0,1000 1000,0 1000,1000"/></svg>');
  background-size: cover;
}

.hero h2 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
  z-index: 1;
  position: relative;
}

.hero h3 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 2rem;
  opacity: 0.9;
  z-index: 1;
  position: relative;
}

.hero .highlight {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.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;
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===== Skills Section ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.skill-card {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 600;
  font-size: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.skill-card:hover::before {
  transform: scaleX(1);
}

.skill-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.95);
}

/* ===== Contact Section ===== */
form {
  max-width: 600px;
  margin: 0 auto 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

form input, form textarea {
  padding: 1.2rem 1.5rem;
  border-radius: 15px;
  border: 2px solid var(--border-color);
  resize: none;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

form input:focus, form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

form .btn {
  background: var(--gradient-primary);
  border: none;
  color: white;
  font-weight: 600;
  cursor: pointer;
  margin-top: 1rem;
}

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

.contact-info {
  background: rgba(255, 255, 255, 0.9);
  padding: 2rem;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
}

.contact-info p {
  margin: 1rem 0;
  font-size: 1.1rem;
}

.contact-info a {
  color: var(--primary-color);
  font-weight: 500;
  position: relative;
}

.contact-info a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.contact-info a:hover::after {
  width: 100%;
}

.contact-info a:hover {
  color: var(--primary-dark);
}

/* ===== Footer ===== */
footer {
  padding: 3rem 2rem;
  background: var(--bg-dark);
  color: white;
  text-align: center;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

footer p {
  font-size: 1rem;
  opacity: 0.8;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 1rem;
  }

  .nav-links {
    margin-top: 1rem;
    gap: 1rem;
  }

  .hero h2 {
    font-size: 2.5rem;
  }

  .hero h3 {
    font-size: 1.2rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
  }

  .section {
    padding: 60px 20px;
  }
}

@media (max-width: 480px) {
  .hero h2 {
    font-size: 2rem;
  }

  .btn {
    padding: 0.8rem 2rem;
    font-size: 0.9rem;
  }

  .skill-card {
    padding: 1.5rem;
    font-size: 1rem;
  }
}

/* ===== Smooth Scrolling ===== */
html {
  scroll-behavior: smooth;
}

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

.section {
  animation: fadeInUp 0.8s ease-out;
}

/* ===== Typing Animation ===== */
.typing {
  border-right: 3px solid white;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { border-color: transparent; }
  51%, 100% { border-color: white; }
}