:root {
  --primary-orange: #ff6b35;
  --light-orange: #ffb366;
  --dark-bg: #1a0f08;

  --text-primary: #f5f5f5;
  --text-secondary: #e8d5c8;
  --text-tertiary: #d4a896;
  --text-muted: #a89080;

  --accent-orange: #ff6b35;
  --white: #fff;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
  --shadow-sm-hover: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--dark-bg);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background: var(--primary-orange);
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

header .container {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
  text-shadow: var(--shadow-sm);
}

section {
  padding: 5rem 0;
}

section h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
  color: var(--white);
  font-weight: 600;
  position: relative;
}

section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 60px;
  height: 3px;
  background: var(--primary-orange);
  transform: translateX(-50%);
  border-radius: 2px;
}

#about {
  background: rgba(255, 107, 53, 0.05);
  backdrop-filter: blur(10px);
}

#about p {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.skill-category {
  background: rgba(255, 107, 53, 0.08);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 107, 53, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.skill-category h3 {
  margin-bottom: 1.5rem;
  color: var(--light-orange);
  font-weight: 600;
  font-size: 1.3rem;
}

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

.skill-category li {
  margin-bottom: 0.8rem;
  color: var(--text-tertiary);
  position: relative;
  padding-left: 20px;
}

.skill-category li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--light-orange);
  font-weight: bold;
}

/* Contact */
.contact-list {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.contact-list li {
  background: rgba(255, 107, 53, 0.08);
  padding: 1rem 2rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 107, 53, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.contact-list li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm-hover);
}

.contact-list strong {
  color: var(--light-orange);
  margin-right: 0.5rem;
}

.contact-list a {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-list a:hover {
  color: var(--primary-orange);
}

/* Footer */
footer {
  background: var(--dark-bg);
  color: var(--text-muted);
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 107, 53, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
  header h1 {
    font-size: 2.5rem;
  }

  section h2 {
    font-size: 2rem;
  }

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

  .contact-list {
    padding: 0 20px;
  }

  .contact-list li {
    padding: 0.75rem 1rem;
  }
}