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

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-hover: #1c2330;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(88,166,255,0.3);
  --text-primary: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-dim: rgba(88,166,255,0.15);
  --discord: #5865F2;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 5vw;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
}

@media (max-width: 680px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--surface);
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 5vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* PAGE HEADER */
.page-header {
  padding: 140px 5vw 60px;
}
.page-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}
.page-header h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 7vw, 72px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.page-header p {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-muted);
  max-width: 520px;
  font-weight: 300;
  line-height: 1.6;
}

/* SECTION */
.section {
  padding: 60px 5vw;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* CARDS GRID */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* PROJECT CARD */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s;
}
.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  background: var(--surface-hover);
}
.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.project-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.project-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--accent-dim);
  color: var(--accent);
}
.project-badge.soon {
  background: rgba(255,165,0,0.12);
  color: #f0a500;
}
.project-badge.demo {
  background: rgba(100,200,100,0.12);
  color: #6dbf7a;
}
.project-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}
.project-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  padding: 8px 0;
  transition: gap 0.2s;
}
.project-link:hover { gap: 10px; }
.project-link.disabled {
  color: var(--text-muted);
  cursor: default;
  pointer-events: none;
}

/* SKILL TAG */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.skill-tag {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.2s;
}
.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* DIVIDER LINE */
.divider {
  height: 1px;
  background: var(--border);
  margin: 0 5vw;
}