:root {
  --bg: #0b1020;
  --panel: #11172b;
  --text: #e7ecff;
  --muted: #b4bfdc;
  --primary: #6ea8fe;
  --primary-strong: #4f8cff;
  --border: #202846;
}

* {
  box-sizing: border-box;
  scroll-margin-top: 80px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top, #151d38, var(--bg) 40%);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(11, 16, 32, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
}

.nav-links {
  display: flex;
  gap: 1.2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

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

.hero {
  padding: 5rem 0 3rem;
}

.badge {
  display: inline-block;
  background: rgba(110, 168, 254, 0.15);
  color: var(--primary);
  border: 1px solid rgba(110, 168, 254, 0.35);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  margin: 0.9rem 0;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--primary);
}

.hero-copy {
  max-width: 64ch;
  color: var(--muted);
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.8rem;
}

.btn {
  text-decoration: none;
  border: none;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
}

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

.section {
  padding: 2.5rem 0;
}

.section h2 {
  margin-top: 0;
}

.section-head p {
  color: var(--muted);
  margin-top: -0.4rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  align-items: start;
}

.project-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-card h3 {
  margin: 0;
}

.project-card p {
  margin: 0;
  color: var(--muted);
}

.project-links {
  display: flex;
  gap: 0.75rem;
}

.project-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
  padding: 0;
}

.skills-list li {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  color: var(--muted);
}

.contact-form {
  max-width: 560px;
  display: grid;
  gap: 0.9rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--border);
  background: #0a0f1e;
  color: var(--text);
  border-radius: 10px;
  padding: 0.7rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer-content {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.footer-content a {
  color: var(--primary);
  text-decoration: none;
}
@media (max-width: 760px) {
  .menu-btn {
    display: inline-block;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    right: 4%;
    background: #0f1730;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: none;
    flex-direction: column;
    padding: 0.9rem;
    min-width: 180px;
  }

  .nav-links.open {
    display: flex;
  }
}