:root {
  --bg-color: #0b0f19;
  --card-bg: #111827;
  --border-color: #1f2937;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #60a5fa;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', sans-serif;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

.container {
  width: 88%;
  max-width: 1100px;
  margin: 0 auto;
}

/* Navbar */
.navbar {
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-main);
  letter-spacing: 1px;
}

.logo span { color: var(--primary); }

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

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Hero Section */
.hero {
  padding: 5rem 0 4rem;
}

.hero-content {
  display: flex;
  gap: 3rem;
  align-items: center;
  flex-wrap: wrap;
}

.hero-text { flex: 3; }

.subtitle {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 0.8rem;
}

h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 span {
  color: var(--primary);
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.description {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

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

.btn-outline {
  border: 1px solid var(--border-color);
  color: var(--text-main);
  margin-left: 0.8rem;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Hero Card */
.hero-card {
  flex: 2;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  text-align: center;
}

.avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: #fff;
  font-size: 1.8rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.hero-card h2 { font-size: 1.5rem; margin-bottom: 0.3rem; }
.hero-card .role { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.2rem; }

.status-badge {
  display: inline-block;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-tag {
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 0.3rem;
}

.section-header h2 {
  font-size: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 12px;
  transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

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

.hobby-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 3rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.back-to-top {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.back-to-top:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  .hero-content { flex-direction: column; }
  .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
}