:root {
  --bg-primary: #0a0f1d;
  --bg-secondary: #11192e;
  --card-bg: #16203a;
  --card-border: #243257;
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0284c7;
  --success: #34d399;
  --radius: 10px;
  --max-width: 960px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

.navbar {
  position: sticky;
  top: 0;
  background-color: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--card-border);
  z-index: 100;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
}

.brand span {
  color: var(--accent);
}

.nav-links a {
  color: var(--text-sub);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.content-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.hero-section {
  padding: 3rem 0 4rem;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text-sub);
  font-size: 0.85rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-sub);
  max-width: 650px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: #04101e;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  color: #fff;
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-main);
  border: 1px solid var(--card-border);
}

.btn-secondary:hover {
  border-color: var(--accent);
}

.section-container {
  padding: 3.5rem 0;
  border-top: 1px solid var(--card-border);
}

.section-heading {
  font-size: 1.75rem;
  margin-bottom: 1.75rem;
}

.grid-skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card-skill {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 1.5rem;
  border-radius: var(--radius);
}

.card-skill h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--accent);
}

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

.grid-projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.card-project {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 1.75rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  background-color: var(--bg-primary);
  border: 1px solid var(--card-border);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.card-project h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-project p {
  color: var(--text-sub);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.project-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.project-link:hover {
  text-decoration: underline;
}

.contact-section p {
  color: var(--text-sub);
  margin-bottom: 1.5rem;
}

.site-footer {
  text-align: center;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--card-border);
  color: var(--text-sub);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 1.85rem;
  }
  .nav-links {
    display: none;
  }
}