@import url('https://api.fontshare.com/v2/css?f[]=satoshi@300,400,500,700,900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-primary: #09090b;
  --bg-glow: radial-gradient(circle at 50% -20%, rgba(79, 70, 229, 0.15) 0%, rgba(9, 9, 11, 0) 60%);
  --border-color: rgba(63, 63, 70, 0.25);
  --border-glow: rgba(99, 102, 241, 0.4);
  --card-bg: rgba(20, 20, 23, 0.4);
  --card-hover-bg: rgba(28, 28, 35, 0.6);
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --accent-color: #6366f1;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  background-image: var(--bg-glow);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: 'Satoshi', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Background grid line borders for premium layout */
.layout-container {
  max-width: 800px;
  margin: 0 auto;
  min-height: 100vh;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  padding: 0 24px;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Header Section */
header {
  padding-top: 120px;
  padding-bottom: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid var(--border-color);
}

.social-btn.email {
  background: var(--accent-gradient);
  color: white;
  border: none;
}

.social-btn.github {
  background: white;
  color: black;
}

.social-btn:hover {
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.social-btn:active {
  transform: scale(0.95);
}

.social-btn svg {
  width: 18px;
  height: 18px;
}

.welcome-title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(to right, #ffffff 60%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: 12px;
}

.welcome-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 400;
  max-width: 600px;
}

/* Divider Lines */
.divider {
  height: 1px;
  width: 100%;
  background: radial-gradient(circle, rgba(63, 63, 70, 0.4) 0%, rgba(63, 63, 70, 0) 100%);
  margin: 16px 0;
}

/* Projects Section */
.section-title {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 20px;
}

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}

/* Mouse cursor radial spotlight glow */
.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 11px;
  background: radial-gradient(
    300px circle at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(99, 102, 241, 0.08),
    transparent 70%
  );
  pointer-events: none;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover {
  background: var(--card-hover-bg);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.08);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card:hover .project-arrow-btn {
  background: white;
  color: black;
  transform: translate(2px, -2px);
}

.project-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  position: relative;
  z-index: 2;
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 85%;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

.project-arrow-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  z-index: 2;
}

.project-arrow-btn svg {
  width: 16px;
  height: 16px;
}

/* Skills/Tools Section */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 80px;
  text-align: center;
}

.skills-intro {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}

.skill-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(39, 39, 42, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition-smooth);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.skill-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 11px;
  background: radial-gradient(
    100px circle at var(--mouse-x, 0px) var(--mouse-y, 0px),
    rgba(99, 102, 241, 0.12),
    transparent 80%
  );
  pointer-events: none;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-badge svg {
  width: 18px;
  height: 18px;
  position: relative;
  z-index: 2;
}

.skill-badge:hover {
  background: rgba(99, 102, 241, 0.04);
  border-color: var(--border-glow);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 15px rgba(99, 102, 241, 0.1);
}

.skill-badge:hover::before {
  opacity: 1;
}

/* Footer styling */
footer {
  margin-top: auto;
  padding: 40px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
}

footer a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

footer a:hover {
  color: var(--accent-color);
}

/* Staggered load animation using CSS */
.animate-item {
  opacity: 0;
  transform: translateY(12px);
  filter: blur(4px);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .layout-container {
    border-left: none;
    border-right: none;
    padding: 0 16px;
  }
  
  header {
    padding-top: 80px;
  }
  
  .welcome-title {
    font-size: 2.2rem;
  }
  
  .project-card {
    padding: 20px;
  }
  
  .project-arrow-btn {
    top: 20px;
    right: 20px;
  }
  
  .project-description {
    max-width: 100%;
  }
  
  footer {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}