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

/* ── VARIABLES ── */
:root {
  --bg: #0d1117;
  --bg-2: #161b22;
  --bg-3: #21262d;
  --border: #30363d;
  --border-2: #21262d;
  --text: #e6edf3;
  --text-2: #8b949e;
  --text-3: #484f58;
  --purple: #7F77DD;
  --purple-dim: rgba(127, 119, 221, 0.15);
  --purple-border: #534AB7;
  --teal: #1D9E75;
  --teal-dim: rgba(29, 158, 117, 0.12);
  --teal-border: #0F6E56;
  --blue: #2CA5E0;
  --blue-dim: rgba(44, 165, 224, 0.12);
  --blue-border: #1A7FAD;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --nav-h: 60px;
  --max-w: 900px;
}

/* ── BASE ── */
html {
  scroll-behavior: smooth;
  scrollbar-width: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

::-webkit-scrollbar {
  display: none;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -ms-overflow-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--border-2);
  display: flex;
  align-items: center;
  padding: 0 24px;
  transition: border-color 0.2s;
}

nav.scrolled {
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.3px;
}

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

/* ── LAYOUT ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  border-bottom: 0.5px solid var(--border-2);
}

/* ── ANIMATION ── */
@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.35;
  }
}

/* ── SECTION HEADERS ── */
.sec-header {
  margin-bottom: 32px;
}

.sec-label {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--purple);
  text-transform: uppercase;
  font-family: var(--mono);
  margin-bottom: 8px;
}

.sec-title {
  font-size: 24px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.5px;
}

.sec-sub {
  font-size: 14px;
  color: var(--text-2);
  margin-top: 4px;
}

/* ── TAGS ── */
.tag {
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 0.5px solid var(--border);
  color: var(--text-2);
}

.tag.purple {
  border-color: var(--purple-border);
  color: #AFA9EC;
  background: var(--purple-dim);
}

.tag.teal {
  border-color: var(--teal-border);
  color: #5DCAA5;
  background: var(--teal-dim);
}

.tag.blue {
  border-color: var(--blue-border);
  color: #6EC6F0;
  background: var(--blue-dim);
}

/* ── PILLS ── */
.pill {
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 0.5px solid var(--border);
  color: var(--text-2);
  background: var(--bg-2);
}

.pill.purple {
  border-color: var(--purple-border);
  color: #AFA9EC;
  background: var(--purple-dim);
}

.pill.teal {
  border-color: var(--teal-border);
  color: #5DCAA5;
  background: var(--teal-dim);
}

.pill.blue {
  border-color: var(--blue-border);
  color: #6EC6F0;
  background: var(--blue-dim);
}

/* ── FOOTER ── */
footer {
  padding: 24px;
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-3);
}

/* ── RESPONSIVE BASE ── */
@media (max-width: 640px) {
  nav {
    padding: 0 16px;
  }

  .container {
    padding: 0 16px;
  }
}