/* hpfreilabs.com - Modern portfolio styling */

/* CSS Variables */
:root {
  --primary-color: #2563eb;
  --secondary-color: #1e40af;
  --accent-color: #3b82f6;
  --bg-dark: #0f172a;
  --bg-medium: #1e293b;
  --bg-light: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --success-color: #10b981;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Page Wrapper */
.page-wrapper {
  width: 100%;
  min-height: 100vh;
  background: url(background_top.png);
  background-size: contain;
  background-repeat: no-repeat;
}

/* Section Base Styles */
section,
.hero-section,
.about-section,
.skills-section,
.portfolio-section,
.contact-section {
  padding: var(--spacing-2xl) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding-top: var(--spacing-2xl);
}

.hero-content {
  flex: 1;
  animation: fadeInUp 0.8s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.75rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: 400;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  flex: 0 0 400px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary-color);
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.3);
  animation: fadeInRight 0.8s ease-out 0.2s both;
}

/* Buttons */
button,
.btn-primary,
.btn-secondary {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

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

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

/* About Section */
.about-section {
  background: var(--bg-medium);
  border-radius: var(--radius-lg);
  margin: var(--spacing-2xl) auto;
}

.about-content {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.about-text {
  flex: 1;
}

.about-text p {
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-image {
  flex: 0 0 350px;
  width: 350px;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Timeline */
.journey-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.timeline-item {
  position: relative;
  padding: var(--spacing-md);
  background: var(--bg-dark);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
}

.timeline-item:hover {
  transform: translateX(8px);
  border-left-color: var(--accent-color);
}

.timeline-marker {
  position: absolute;
  left: -12px;
  top: var(--spacing-md);
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--bg-dark);
}

.timeline-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.timeline-description {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.skill-card {
  background: var(--bg-medium);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.skill-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-color);
  box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
}

.skill-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.skill-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.skill-list {
  list-style: none;
}

.skill-list li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-md);
}

.skill-list li:before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Portfolio Section */
.portfolio-section {
  background: var(--bg-medium);
  border-radius: var(--radius-lg);
  margin: var(--spacing-2xl) auto;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-card {
  background: var(--bg-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.portfolio-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-color);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.3);
}

.portfolio-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-light), var(--bg-medium));
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.portfolio-sign {
  position: absolute;
  width: 180px;
  height: 60px;
  left: 50%;
  top: 50%;
  margin-left: -90px;
  margin-top: -30px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 22px;
  font-weight: bold;
  pointer-events: none;
  transform-origin: center center;
}

.portfolio-content {
  padding: var(--spacing-lg);
}

.portfolio-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.portfolio-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.portfolio-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tech-tag {
  padding: 0.25rem 0.625rem;
  background: var(--bg-light);
  color: var(--text-muted);
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.portfolio-link:hover {
  color: var(--accent-color);
  gap: var(--spacing-sm);
}

/* Contact Section */
.contact-content {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

.contact-info {
  flex: 1;
}

.contact-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-medium);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.contact-link:hover {
  border-color: var(--primary-color);
  transform: translateX(8px);
}

.contact-link i {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.contact-link span {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.contact-image {
  flex: 0 0 400px;
  width: 400px;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Scroll Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

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

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

/* Responsive Design */
@media (max-width: 968px) {
  .hero-section {
    flex-direction: column-reverse;
    text-align: center;
  }

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

  .hero-subtitle {
    font-size: 1.5rem;
  }

  .hero-description {
    max-width: 100%;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-image {
    flex: 0 0 300px;
    width: 300px;
    height: 300px;
  }

  .about-content,
  .contact-content {
    flex-direction: column;
  }

  .about-image,
  .contact-image {
    flex: 1;
    width: 100%;
    max-width: 400px;
  }

  .section-title {
    font-size: 2rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .hero-image {
    width: 250px;
    height: 250px;
  }

  section,
  .hero-section,
  .about-section,
  .skills-section,
  .portfolio-section,
  .contact-section {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .timeline-item {
    padding-left: var(--spacing-lg);
  }
}

/* Utilities */
strong {
  color: var(--text-primary);
  font-weight: 600;
}

a {
  transition: var(--transition);
}