/* ═══════════════════════════════════════════
   ARA Labs · Component Styles
   Nav · Footer · Canvas · Modal · Form · UI
   ═══════════════════════════════════════════ */

/* ── Neural Canvas ── */
#neural-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
.vignette {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at center,
    transparent 18%,
    rgba(4,10,10,0.55) 65%,
    rgba(3,8,8,0.9) 100%
  );
}
.grain {
  position: fixed; inset: 0; z-index: 2; opacity: 0.022; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* ── Corner accents ── */
.corner {
  position: fixed; width: 32px; height: 32px; z-index: 9;
  pointer-events: none; opacity: 0.35;
}
.corner-tl { top: calc(var(--nav-h) + 1rem); left: 1.5rem; border-top: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.corner-tr { top: calc(var(--nav-h) + 1rem); right: 1.5rem; border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); }
.corner-bl { bottom: 1.5rem; left: 1.5rem; border-bottom: 1px solid var(--accent); border-left: 1px solid var(--accent); }
.corner-br { bottom: 1.5rem; right: 1.5rem; border-bottom: 1px solid var(--accent); border-right: 1px solid var(--accent); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--page-px);
  border-bottom: 1px solid var(--accent-border);
  background: rgba(6,15,15,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-logo {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--text-primary);
}

.nav-links { display: flex; align-items: center; gap: 0; list-style: none; }
.nav-links a, .nav-links button {
  font-family: var(--font-mono); font-size: 0.85rem;
  font-weight: 300; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-secondary); text-decoration: none;
  background: none; border: none; cursor: pointer;
  padding: 0.38rem 0.7rem; border-radius: var(--r-sm);
  transition: color 0.18s, background 0.18s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links button:hover,
.nav-links a.active, .nav-links button.active {
  color: var(--accent); background: var(--accent-faint);
}
.nav-actions { display: flex; align-items: center; gap: 0.6rem; }
.nav-cta {
  font-family: var(--font-mono); font-size: 0.83rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--bg-deep); background: var(--accent);
  border: none; padding: 0.48rem 1rem; border-radius: var(--r-sm);
  cursor: pointer; transition: opacity 0.18s; text-decoration: none;
}
.nav-cta:hover { opacity: 0.84; }
.nav-ghost {
  font-family: var(--font-mono); font-size: 0.83rem; font-weight: 300;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-secondary); background: transparent;
  border: 1px solid var(--accent-border2);
  padding: 0.46rem 0.9rem; border-radius: var(--r-sm);
  cursor: pointer; transition: color 0.18s, border-color 0.18s; text-decoration: none;
}
.nav-ghost:hover { color: var(--accent); border-color: var(--accent-dim); }

.nav-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 20px; height: 1px;
  background: var(--accent); transition: transform 0.22s, opacity 0.22s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── FOOTER ── */
footer {
  position: relative; z-index: 10;
  border-top: 1px solid var(--accent-border);
  padding: 3.5rem var(--page-px) 2rem;
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem;
}
.footer-logo { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 0.6rem; }
.footer-logo .dot { color: var(--accent); }
.footer-desc {
  font-family: var(--font-mono); font-size: 0.87rem; font-weight: 300;
  line-height: 1.8; color: var(--text-secondary); margin-bottom: 1.2rem;
}
.footer-origin {
  font-family: var(--font-mono); font-size: 0.79rem;
  letter-spacing: 0.12em; color: var(--text-muted);
}
.footer-col-title {
  font-family: var(--font-mono); font-size: 0.79rem;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 1rem;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a, .footer-links button {
  font-family: var(--font-mono); font-size: 0.86rem; font-weight: 300;
  color: var(--text-secondary); text-decoration: none;
  background: none; border: none; cursor: pointer; padding: 0; text-align: left;
  transition: color 0.18s;
}
.footer-links a:hover, .footer-links button:hover { color: var(--accent); }
.footer-bottom {
  max-width: var(--max-w); margin: 2rem auto 0;
  padding-top: 1.5rem; border-top: 1px solid var(--accent-border);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
}
.footer-copy { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.14em; color: var(--text-dim); }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a {
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.12em;
  color: var(--text-dim); text-decoration: none; transition: color 0.18s;
}
.footer-legal a:hover { color: var(--accent); }

/* ── MODALS ── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(3,8,8,0.9); align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--bg-mid); border: 1px solid var(--accent-border2);
  max-width: 540px; width: calc(100% - 2rem);
  max-height: 88vh; overflow-y: auto;
  padding: 2.5rem; position: relative;
  border-radius: var(--r-sm);
  animation: fadeUp 0.28s ease;
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 1.1rem; line-height: 1;
  transition: color 0.18s;
}
.modal-close:hover { color: var(--accent); }
.modal-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.4rem; letter-spacing: -0.02em; }
.modal-sub {
  font-family: var(--font-mono); font-size: 0.90rem; font-weight: 300;
  color: var(--text-secondary); line-height: 1.65; margin-bottom: 1.8rem;
}
.modal-legal {
  font-family: var(--font-mono); font-size: 0.89rem; line-height: 1.85;
  color: var(--text-secondary); max-height: 58vh; overflow-y: auto; padding-right: 0.5rem;
}
.modal-legal p { margin-bottom: 1rem; }
.modal-legal strong { color: var(--text-primary); }
.modal-legal code { color: var(--accent); }

/* ── NOTIFICATION ── */
.notif {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 300;
  background: var(--bg-mid); border: 1px solid var(--accent-dim);
  padding: 0.9rem 1.4rem; display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-mono); font-size: 0.90rem; font-weight: 300;
  color: var(--text-primary); border-radius: var(--r-sm);
  transform: translateY(130%); transition: transform 0.3s ease;
  pointer-events: none;
}
.notif.show { transform: translateY(0); pointer-events: auto; }
.notif-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* ── FORMS ── */
.form-group { margin-bottom: 1.1rem; }
.form-label {
  font-family: var(--font-mono); font-size: 0.80rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-secondary);
  display: block; margin-bottom: 0.45rem;
}
.form-input, .form-select, .form-textarea {
  width: 100%; background: rgba(13,32,32,0.7);
  border: 1px solid var(--accent-border2); color: var(--text-primary);
  padding: 0.7rem 0.9rem; font-family: var(--font-mono);
  font-size: 0.89rem; font-weight: 300; border-radius: var(--r-sm);
  outline: none; transition: border-color 0.18s; appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-select option { background: #0d2020; }
.form-textarea { resize: vertical; min-height: 96px; line-height: 1.7; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem; }
.form-check { display: flex; align-items: flex-start; gap: 0.7rem; margin-bottom: 1.2rem; }
.form-check input[type="checkbox"] { width: 13px; height: 13px; margin-top: 2px; accent-color: var(--accent); flex-shrink: 0; }
.form-check-label { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 300; color: var(--text-secondary); line-height: 1.55; }
.form-check-label a { color: var(--accent); text-decoration: none; }
.form-note { font-family: var(--font-mono); font-size: 0.79rem; letter-spacing: 0.08em; color: var(--text-secondary); margin-top: 0.45rem; }
.form-success { display: none; text-align: center; padding: 2.5rem; border: 1px solid var(--accent-border2); background: var(--accent-faint); border-radius: var(--r-sm); }
.form-success.show { display: block; }
.form-success-icon { font-size: 1.8rem; margin-bottom: 0.8rem; color: var(--accent); }
.form-success h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.form-success p { font-family: var(--font-mono); font-size: 0.83rem; font-weight: 300; color: var(--text-secondary); line-height: 1.65; }

/* ── BUTTONS ── */
.btn {
  font-family: var(--font-mono); font-size: 0.85rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  border: none; cursor: pointer; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; gap: 0.45rem;
  text-decoration: none; transition: opacity 0.18s, transform 0.14s, background 0.18s, border-color 0.18s, color 0.18s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--bg-deep); font-weight: 500; padding: 0.68rem 1.4rem; }
.btn-primary:hover { opacity: 0.87; }
.btn-secondary { background: transparent; color: var(--accent); font-weight: 300; padding: 0.66rem 1.4rem; border: 1px solid rgba(64,200,168,0.28); }
.btn-secondary:hover { background: var(--accent-faint); border-color: var(--accent-dim); }
.btn-ghost { background: transparent; color: var(--text-secondary); font-weight: 300; padding: 0.64rem 1.1rem; border: 1px solid var(--accent-border2); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent-dim); }
.btn-full { width: 100%; justify-content: center; }

/* ── TABS ── */
.tab-bar {
  display: flex; border-bottom: 1px solid var(--accent-border);
  margin-bottom: 2.5rem; overflow-x: auto;
}
.tab-btn {
  font-family: var(--font-mono); font-size: 0.83rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-muted);
  background: none; border: none; border-bottom: 2px solid transparent;
  padding: 0.72rem 1.1rem; cursor: pointer;
  transition: color 0.18s, border-color 0.18s; white-space: nowrap;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn:hover:not(.active) { color: var(--text-secondary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── TIMELINE ── */
.timeline { position: relative; padding-left: 1.8rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--accent-border); }
.timeline-item { position: relative; padding-bottom: 2.2rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -1.8rem; top: 0.3rem;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); border: 1px solid var(--bg-deep);
  box-shadow: 0 0 8px var(--accent-dim);
}
.timeline-date { font-family: var(--font-mono); font-size: 0.79rem; letter-spacing: 0.18em; color: var(--text-muted); margin-bottom: 0.35rem; text-transform: uppercase; }
.timeline-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 0.38rem; }
.timeline-body { font-family: var(--font-mono); font-size: 0.91rem; font-weight: 300; color: var(--text-secondary); line-height: 1.75; }

/* ── MONO LABEL ── */
.label {
  font-family: var(--font-mono); font-size: 0.81rem;
  letter-spacing: 0.26em; text-transform: uppercase; color: var(--accent);
}
.label.muted { color: var(--text-muted); }

/* ── RULE ── */
.rule { width: 100%; height: 1px; background: var(--accent-border); }

/* ── CARD ── */
.card {
  border: 1px solid var(--accent-border); padding: 1.6rem;
  background: var(--accent-faint); border-radius: var(--r-sm);
  transition: border-color 0.22s, background 0.22s;
}
.card:hover { border-color: var(--accent-border2); background: rgba(64,200,168,0.1); }

/* ── INLINE CODE ── */
code {
  font-family: var(--font-mono); font-size: 0.82em;
  color: var(--accent); background: rgba(64,200,168,0.08);
  padding: 0.1em 0.35em; border-radius: var(--r-sm);
}
pre {
  font-family: var(--font-mono); font-size: 0.86rem;
  background: var(--bg-surface); border: 1px solid var(--accent-border);
  padding: 1.3rem 1.5rem; border-radius: var(--r-sm);
  overflow-x: auto; color: var(--accent); line-height: 1.72;
  margin-bottom: 1.4rem;
}
pre code { background: none; padding: 0; font-size: inherit; }

/* ── TRUST BADGE ── */
.trust-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--accent-border); padding: 0.5rem 0.9rem;
  border-radius: var(--r-sm);
}
.trust-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.trust-dot.dim { background: rgba(200,235,228,0.25); }
.trust-label { font-family: var(--font-mono); font-size: 0.80rem; letter-spacing: 0.15em; color: var(--text-secondary); }

/* ── SEARCH ── */
.search-wrap { position: relative; margin-bottom: 2rem; }
.search-wrap input {
  width: 100%; background: rgba(13,32,32,0.6);
  border: 1px solid var(--accent-border2); color: var(--text-primary);
  padding: 0.72rem 1rem 0.72rem 2.6rem;
  font-family: var(--font-mono); font-size: 0.89rem; font-weight: 300;
  border-radius: var(--r-sm); outline: none; transition: border-color 0.18s;
}
.search-wrap input:focus { border-color: var(--accent); }
.search-wrap input::placeholder { color: var(--text-muted); }
.search-icon { position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; font-size: 0.9rem; }

/* ── GRID UTILITIES ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.4rem; }

/* ── SPACING ── */
.mt-xs { margin-top: 0.5rem; }
.mt-sm { margin-top: 0.9rem; }
.mt-md { margin-top: 1.8rem; }
.mt-lg { margin-top: 3rem; }
.mb-sm { margin-bottom: 0.9rem; }
.mb-md { margin-bottom: 1.8rem; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
@keyframes shimmer { 0% { left: -60%; } 100% { left: 160%; } }
@keyframes markSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes markGlow {
  0%,100% { filter: drop-shadow(0 0 3px rgba(64,200,168,0.15)); }
  50%      { filter: drop-shadow(0 0 18px rgba(64,200,168,0.65)); }
}

/* ── ACCESSIBILITY ── */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
*:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

/* ── RESPONSIVE ── */
@media (max-width: 860px) {
  :root { --page-px: 1.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  :root { --page-px: 1.1rem; --nav-h: 58px; }
  nav { padding: 0 1.1rem; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(6,15,15,0.98); border-bottom: 1px solid var(--accent-border);
    padding: 0.8rem 1rem; z-index: 99;
  }
  .nav-hamburger { display: flex; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .corner { display: none; }
}

/* ── NAV LOGO WITH MARK ── */
.nav-mark {
  height: 36px; width: 36px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  animation: markSpin 30s linear infinite, markGlow 3.5s ease-in-out infinite 2s;
}
.nav-wordmark {
  font-family: var(--font-sans); font-weight: 800;
  font-size: 1.35rem; letter-spacing: -0.03em;
  color: var(--text-primary); line-height: 1;
}
.nav-wordmark .dot { color: var(--accent); animation: blink 3.5s ease-in-out infinite 2s; }