@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=DM+Mono:ital,wght@0,300;0,400;0,500;1,300&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --bg:        #0c0c0e;
  --bg2:       #111114;
  --bg3:       #18181d;
  --surface:   #1c1c22;
  --border:    #2a2a35;
  --text:      #e8e8f0;
  --muted:     #6b6b80;
  --faint:     #2e2e3a;

  --accent-blue:   #4f8ef7;
  --accent-violet: #9b6dff;
  --accent-green:  #3ecf8e;
  --accent-amber:  #f0a050;
  --accent-rose:   #f06090;

  --font-title: 'Instrument Serif', Georgia, serif;
  --font-mono:  'DM Mono', 'Courier New', monospace;
  --font-body:  'DM Sans', system-ui, sans-serif;

  --radius:  6px;
  --radius-lg: 12px;
  --noise-opacity: 0.032;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ── Noise texture overlay ─────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.2rem; }

p { font-family: var(--font-body); color: var(--text); }

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent-violet);
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Nav ───────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 12, 14, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--text);
  font-style: italic;
  letter-spacing: 0.01em;
  text-decoration: none;
}
.nav-logo:hover { text-decoration: none; opacity: 0.8; }

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

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }

/* ── Cards with left stripe ────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.5rem 1.5rem 1.8rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: var(--radius) 0 0 var(--radius);
}

.card:hover {
  border-color: var(--faint);
  transform: translateY(-1px);
}

.card--blue::before   { background: var(--accent-blue); }
.card--violet::before { background: var(--accent-violet); }
.card--green::before  { background: var(--accent-green); }
.card--amber::before  { background: var(--accent-amber); }
.card--rose::before   { background: var(--accent-rose); }

/* ── Tags / badges ─────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  padding: 0.2em 0.6em;
  border-radius: 4px;
  background: var(--faint);
  color: var(--muted);
  border: 1px solid var(--border);
}

.tag--blue   { background: rgba(79,142,247,0.1); color: var(--accent-blue);   border-color: rgba(79,142,247,0.2); }
.tag--violet { background: rgba(155,109,255,0.1); color: var(--accent-violet); border-color: rgba(155,109,255,0.2); }
.tag--green  { background: rgba(62,207,142,0.1); color: var(--accent-green);  border-color: rgba(62,207,142,0.2); }
.tag--amber  { background: rgba(240,160,80,0.1); color: var(--accent-amber);  border-color: rgba(240,160,80,0.2); }
.tag--rose   { background: rgba(240,96,144,0.1); color: var(--accent-rose);   border-color: rgba(240,96,144,0.2); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  padding: 0.55em 1.2em;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn:hover { background: var(--bg3); border-color: var(--muted); text-decoration: none; }

.btn--primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #fff;
}
.btn--primary:hover { opacity: 0.85; }

.btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}
.btn--ghost:hover { color: var(--text); background: var(--faint); }

/* ── Form elements ─────────────────────────────────────────── */
input, textarea, select {
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.6rem 0.9rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent-blue);
}

input::placeholder, textarea::placeholder {
  color: var(--muted);
}

label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

/* ── Divider ───────────────────────────────────────────────── */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ── Fade-in animations ────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.55s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.fade-in:nth-child(1) { animation-delay: 0.05s; }
.fade-in:nth-child(2) { animation-delay: 0.12s; }
.fade-in:nth-child(3) { animation-delay: 0.19s; }
.fade-in:nth-child(4) { animation-delay: 0.26s; }
.fade-in:nth-child(5) { animation-delay: 0.33s; }
.fade-in:nth-child(6) { animation-delay: 0.40s; }

/* ── Section spacing ───────────────────────────────────────── */
.section { padding: 4rem 0; }
.section--sm { padding: 2rem 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

/* ── Status dot ────────────────────────────────────────────── */
.dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
  animation: pulse 2.4s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── Utility ───────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-muted { color: var(--muted); }
.text-mono { font-family: var(--font-mono); font-size: 0.85em; }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}