:root {
  --bg:    #13151e;
  --bg-1:  #181b26;
  --bg-2:  #1e2130;
  --bg-3:  #23263a;
  --bg-4:  #2a2d42;

  --green:       #00e074;
  --green-dim:   rgba(0, 224, 116, 0.12);
  --green-glow:  0 0 24px rgba(0, 224, 116, 0.26);
  --green-b:     rgba(0, 224, 116, 0.28);

  --purple:      #6e7bff;
  --amber:       #f5b544;
  --red:         #ff5f6d;
  --teal:        #2dd4bf;

  --text:   #f0f0f8;
  --text-2: #a0a2bc;
  --text-3: #60617c;

  --border:  rgba(255,255,255,0.11);
  --border-h:rgba(255,255,255,0.22);

  --font-display:   'Switzer', system-ui, sans-serif;
  --font-body:      'Switzer', system-ui, sans-serif;
  --font-mono:      'JetBrains Mono', monospace;
  --font-brand:     'Familjen Grotesk', system-ui, sans-serif;

  /* Legacy aliases — keep existing CSS working */
  --f-display: var(--font-display);
  --f-body:    var(--font-body);
  --f-mono:    var(--font-mono);

  --r:    8px;
  --r-lg: 16px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t:    0.22s var(--ease);
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

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

::-webkit-scrollbar { width: 3px; height: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 2px; }

/* ── Shared topbar ───────────────────────────────────────────────── */
.topbar {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 28px 0 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  flex-shrink: 0;
  position: relative;
  z-index: 50;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.topbar-logo-mark {
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.03em;
  line-height: 1;
}

.topbar-logo-mark span {
  color: var(--text-3);
  font-size: 18px;
}

.topbar-logo-sub {
  font-family: var(--f-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  line-height: 1.4;
}

.topbar-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.topbar-nav {
  display: flex;
  gap: 6px;
}

.topbar-link {
  padding: 6px 14px;
  border-radius: 6px;
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-2);
  cursor: pointer;
  transition: color var(--t), background var(--t);
}

.topbar-link:hover { color: var(--green); background: rgba(16,185,129,0.06); }
.topbar-link.active { color: var(--green); background: rgba(16,185,129,0.08); font-weight: 600; }

.topbar-spacer { flex: 1; }

.topbar-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.dot-live {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: blink 2s ease infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-2);
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--t);
  white-space: nowrap;
}
.btn:hover { border-color: var(--border-h); color: var(--text); background: rgba(255,255,255,0.04); }

.btn-green {
  border-color: var(--green-b);
  background: var(--green-dim);
  color: var(--green);
}
.btn-green:hover { background: rgba(0,224,116,0.18); box-shadow: var(--green-glow); color: var(--green); }

.btn-solid {
  background: var(--green);
  border-color: var(--green);
  color: #000;
  font-weight: 600;
}
.btn-solid:hover { background: #00f07e; box-shadow: var(--green-glow); }
.btn-solid:disabled { opacity: .4; cursor: not-allowed; box-shadow: none; }

/* ── Click feedback animation ────────────────────────────────────── */
button, .btn, a.btn, .clickable,
.topbar-link, .filter-pill, .space-card,
.sfc-btn, .cv-btn, .sticky-nav-link {
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              color 0.22s var(--ease),
              background 0.22s var(--ease),
              border-color 0.22s var(--ease),
              box-shadow 0.22s var(--ease);
}
button:active, .btn:active, .clickable:active,
.topbar-link:active, .filter-pill:active, .space-card:active,
.sfc-btn:active, .cv-btn:active, .sticky-nav-link:active {
  transform: scale(0.96);
}

/* ── Port ────────────────────────────────────────────────────────── */
.port {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-1);
  border: 2px solid var(--text-3);
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  cursor: crosshair;
  transition: border-color var(--t), box-shadow var(--t);
}
.port.in  { left:  -7px; }
.port.out { right: -7px; }
/* Vertical-layout ports (top/bottom instead of left/right) */
.port.vtop    { top: -7px; left: 50%; right: auto; transform: translateX(-50%); }
.port.vbottom { bottom: -7px; top: auto; left: 50%; right: auto; transform: translateX(-50%); }
.port.green  { border-color: var(--green);  background: rgba(0,224,116,.15); }
.port.purple { border-color: var(--purple); background: rgba(110,123,255,.15); }
.port.amber  { border-color: var(--amber);  background: rgba(245,181,68,.15); }
.port:hover  { border-color: var(--green); box-shadow: 0 0 8px var(--green); }

/* ── Scrollbar ───────────────────────────────────────────────────── */
.scroll { overflow-y: auto; }

/* ── Site Footer (shared across all pages) ───────────────────────── */
.site-footer {
  background: var(--bg-1);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 80px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr 1.8fr;
  gap: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-brand { display: flex; flex-direction: column; gap: 14px; align-items: flex-end; text-align: right; }

.footer-tagline {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.65;
  max-width: 300px;
}

.footer-col-title {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
}

.footer-links { display: flex; flex-direction: column; gap: 11px; }

.footer-link {
  font-size: 13px;
  color: var(--text-2);
  transition: color var(--t);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-link:hover { color: var(--green); }

.footer-link-badge {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(245,181,68,0.1);
  border: 1px solid rgba(245,181,68,0.2);
  border-radius: 3px;
  padding: 2px 5px;
}

.footer-contact-list { display: flex; flex-direction: column; gap: 16px; }

.footer-contact-item { display: flex; flex-direction: column; gap: 3px; }

.footer-contact-label {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.footer-contact-value {
  font-size: 13px;
  color: var(--text-2);
  transition: color var(--t);
}
.footer-contact-value:hover { color: var(--green); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.footer-made {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-3);
  opacity: 0.45;
}

@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}

/* ── Mobile — topbar, sticky-nav, footer (768px) ─────────────────── */
@media (max-width: 768px) {
  /* Topbar: keep horizontal, reduce padding to fit nav links */
  .topbar {
    padding: 0 12px 0 10px;
    gap: 8px;
    height: auto;
    min-height: 56px;
    flex-wrap: wrap;
  }
  .topbar-nav { flex-wrap: nowrap; gap: 2px; }
  .topbar-link { padding: 5px 9px; font-size: 11px; white-space: nowrap; }
  .topbar-spacer { min-width: 0; }
  .topbar-status { font-size: 9px; }

  /* Sticky-nav (homepage): solid background on mobile */
  .sticky-nav {
    background: rgba(10,13,10,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  /* Footer: full bottom padding so last line isn't clipped */
  .site-footer { padding-top: 60px; padding-bottom: 80px; }
  .footer-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
}

@media (max-width: 640px) {
  .footer-inner  { padding: 0 20px 40px; }
  .footer-bottom { padding: 16px 20px; flex-direction: column; gap: 6px; text-align: center; }
}

/* ── Built-for-what's-next section ───────────────────────────────── */
.section-built {
  padding: 120px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-built .section-inner {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.built-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.built-col {
  padding-top: 28px;
  border-top: 1px solid rgba(16, 185, 129, 0.3);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.built-col-num {
  font-family: var(--f-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.built-col-title {
  font-family: var(--f-display);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.built-col-body {
  font-size: 16px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

.built-connect {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding-top: 56px;
  border-top: 1px solid var(--border);
  margin-top: 56px;
}

.built-connect-text {
  font-size: 17px;
  font-weight: 400;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
  max-width: 480px;
}

.built-connect-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .built-grid { grid-template-columns: 1fr; gap: 32px; }
}