:root {
  --nt-bg: #090b0f;
  --nt-surface: #111318;
  --nt-surface-2: #161a22;
  --nt-border: rgba(255, 255, 255, 0.07);
  --nt-border-strong: rgba(255, 255, 255, 0.14);
  --nt-text: #e8eaf2;
  --nt-muted: rgba(232, 234, 242, 0.5);
  --nt-muted-strong: rgba(232, 234, 242, 0.72);
  --nt-accent: #4f8cff;
  --nt-accent-glow: rgba(79, 140, 255, 0.18);
  --nt-green: #22c55e;
  --nt-orange: #f97316;
  --nt-red: #ef4444;
  --nt-purple: #a78bfa;
  --nt-radius: 12px;
  --nt-radius-lg: 18px;
  --nt-shadow: 0 1px 3px rgba(0, 0, 0, 0.5), 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  background: var(--nt-bg);
  color: var(--nt-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ───── LAYOUT ───── */
.nt-shell { min-height: 100vh; display: flex; flex-direction: column; }
.nt-container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ───── NAV ───── */
.nt-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--nt-border);
  background: rgba(9, 11, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nt-nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nt-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.nt-brand-logo { width: 26px; height: 26px; object-fit: contain; }
.nt-brand-name { color: var(--nt-muted-strong); }
.nt-brand-sep { color: rgba(255,255,255,0.22); margin: 0 2px; }
.nt-brand-product { color: var(--nt-text); }
.nt-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.nt-nav-links a {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--nt-muted-strong);
  transition: color 0.15s, background 0.15s;
}
.nt-nav-links a:hover { color: var(--nt-text); background: rgba(255,255,255,0.05); }
.nt-nav-auth { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ───── BUTTONS ───── */
.nt-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 8px;
  background: var(--nt-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: background 0.15s, box-shadow 0.15s;
}
.nt-btn-primary:hover { background: #3d7ae8; box-shadow: 0 0 0 3px var(--nt-accent-glow); }
.nt-btn-primary.nt-btn-lg { padding: 13px 28px; font-size: 1rem; border-radius: 10px; }
.nt-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 8px;
  background: transparent;
  color: var(--nt-muted-strong);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid var(--nt-border-strong);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.nt-btn-ghost:hover { color: var(--nt-text); border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.04); }
.nt-btn-ghost.nt-btn-lg { padding: 13px 28px; font-size: 1rem; border-radius: 10px; }

/* ───── HERO ───── */
.nt-hero {
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.nt-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(79, 140, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.nt-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(79, 140, 255, 0.3);
  background: rgba(79, 140, 255, 0.08);
  font-size: 0.8rem;
  font-family: 'IBM Plex Mono', monospace;
  color: var(--nt-accent);
  letter-spacing: 0.03em;
  margin-bottom: 28px;
}
.nt-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--nt-green);
  box-shadow: 0 0 6px var(--nt-green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.nt-hero-h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--nt-text);
  margin-bottom: 24px;
}
.nt-hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--nt-muted-strong);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 36px;
}
.nt-hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 60px; }
.nt-hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 20px 28px;
  background: var(--nt-surface);
  border: 1px solid var(--nt-border);
  border-radius: var(--nt-radius-lg);
  max-width: 680px;
}
.nt-stat { flex: 1; padding: 0 20px; }
.nt-stat:first-child { padding-left: 0; }
.nt-stat-val {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--nt-text);
  font-family: 'IBM Plex Mono', monospace;
}
.nt-stat-label { font-size: 0.78rem; color: var(--nt-muted); margin-top: 3px; }
.nt-stat-div { width: 1px; height: 40px; background: var(--nt-border); flex-shrink: 0; }

/* ───── SECTIONS ───── */
.nt-section { padding: 80px 0; }
.nt-section--dark {
  background: var(--nt-surface);
  border-top: 1px solid var(--nt-border);
  border-bottom: 1px solid var(--nt-border);
}
.nt-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nt-accent);
  margin-bottom: 14px;
}
.nt-section h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.nt-section-sub {
  font-size: 1.08rem;
  color: var(--nt-muted-strong);
  max-width: 640px;
  line-height: 1.72;
  margin-bottom: 48px;
}

/* ───── PRODUCTS ───── */
.nt-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 48px;
}
.nt-product-card {
  padding: 32px;
  border-radius: var(--nt-radius-lg);
  border: 1px solid var(--nt-border);
  background: var(--nt-surface);
}
.nt-product-card--featured {
  border-color: rgba(79, 140, 255, 0.3);
  background: linear-gradient(135deg, rgba(79, 140, 255, 0.06) 0%, var(--nt-surface) 60%);
}
.nt-product-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--nt-accent);
}
.nt-product-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.nt-product-card > p {
  font-size: 0.95rem;
  color: var(--nt-muted-strong);
  line-height: 1.7;
  margin-bottom: 20px;
}
.nt-product-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.nt-product-card ul li {
  font-size: 0.88rem;
  color: var(--nt-muted-strong);
  padding-left: 16px;
  position: relative;
}
.nt-product-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--nt-accent);
  font-size: 0.8rem;
}

/* ───── FLOW ───── */
.nt-flow {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.nt-flow-step {
  flex: 1;
  min-width: 180px;
  padding: 24px;
  border-radius: var(--nt-radius);
  border: 1px solid var(--nt-border);
  background: var(--nt-surface);
}
.nt-flow-num {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--nt-accent);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.nt-flow-step h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.nt-flow-step p { font-size: 0.88rem; color: var(--nt-muted-strong); line-height: 1.6; }
.nt-flow-arrow { font-size: 1.2rem; color: var(--nt-muted); margin-top: 34px; flex-shrink: 0; }

/* ───── BENCHMARK ───── */
.nt-bench-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.nt-bench-card {
  padding: 24px;
  border-radius: var(--nt-radius);
  border: 1px solid var(--nt-border-strong);
  background: var(--nt-bg);
}
.nt-bench-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--nt-muted);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.nt-bench-val {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--nt-text);
  font-family: 'IBM Plex Mono', monospace;
  margin-bottom: 14px;
}
.nt-bench-bar {
  height: 4px;
  border-radius: 2px;
  background: rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}
.nt-bench-bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--pct);
  background: linear-gradient(90deg, var(--nt-accent), var(--nt-purple));
  border-radius: 2px;
}

/* ───── BLOG ───── */
.nt-blog-card {
  display: block;
  padding: 36px;
  border-radius: var(--nt-radius-lg);
  border: 1px solid var(--nt-border);
  background: var(--nt-surface);
  transition: border-color 0.15s, background 0.15s;
  margin-top: 32px;
}
.nt-blog-card:hover {
  border-color: var(--nt-border-strong);
  background: var(--nt-surface-2);
}
.nt-blog-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.nt-blog-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid rgba(79, 140, 255, 0.3);
  background: rgba(79, 140, 255, 0.08);
  color: var(--nt-accent);
  letter-spacing: 0.04em;
}
.nt-blog-date { font-size: 0.82rem; color: var(--nt-muted); font-family: 'IBM Plex Mono', monospace; }
.nt-blog-card h3 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 12px; }
.nt-blog-card > p { font-size: 0.95rem; color: var(--nt-muted-strong); line-height: 1.7; margin-bottom: 20px; }
.nt-blog-cta { font-size: 0.9rem; color: var(--nt-accent); font-weight: 600; }

/* ───── CONTACT ───── */
.nt-contact { text-align: center; max-width: 640px; margin: 0 auto; }
.nt-contact h2 { margin-bottom: 16px; }
.nt-contact p { color: var(--nt-muted-strong); margin-bottom: 36px; line-height: 1.72; }
.nt-contact-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ───── FOOTER ───── */
.nt-footer {
  border-top: 1px solid var(--nt-border);
  padding: 28px 0;
  margin-top: auto;
}
.nt-footer p { font-size: 0.84rem; color: var(--nt-muted); text-align: center; }
.nt-footer a { color: var(--nt-muted-strong); }
.nt-footer a:hover { color: var(--nt-text); }

/* ───── CONSOLE ───── */
.con-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--nt-bg);
}
.con-sidebar {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--nt-surface);
  border-right: 1px solid var(--nt-border);
  overflow-y: auto;
}
.con-sidebar-brand {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--nt-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.con-sidebar-brand img { width: 24px; height: 24px; object-fit: contain; }
.con-sidebar-brand-text { font-size: 0.88rem; font-weight: 700; }
.con-sidebar-brand-sub { font-size: 0.72rem; color: var(--nt-muted); margin-top: 1px; font-family: 'IBM Plex Mono', monospace; }
.con-nav { padding: 12px 8px; flex: 1; }
.con-nav-section { margin-bottom: 20px; }
.con-nav-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--nt-muted);
  padding: 0 8px;
  margin-bottom: 4px;
}
.con-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--nt-muted-strong);
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.con-nav-item:hover { color: var(--nt-text); background: rgba(255,255,255,0.05); }
.con-nav-item.active { color: var(--nt-text); background: rgba(79, 140, 255, 0.12); }
.con-nav-item.active .con-nav-icon { color: var(--nt-accent); }
.con-nav-icon { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }
.con-sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--nt-border);
  font-size: 0.8rem;
  color: var(--nt-muted);
}
.con-sidebar-footer strong { color: var(--nt-muted-strong); display: block; margin-bottom: 2px; }
.con-sidebar-footer a { color: var(--nt-muted); font-size: 0.76rem; }
.con-sidebar-footer a:hover { color: var(--nt-text); }

.con-main {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.con-topbar {
  height: 52px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--nt-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--nt-bg);
}
.con-topbar-title { font-size: 0.95rem; font-weight: 600; }
.con-topbar-right { display: flex; align-items: center; gap: 10px; }
.con-user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--nt-muted-strong);
}
.con-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--nt-accent), var(--nt-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.con-btn-sm {
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.15s;
}
.con-btn-primary { background: var(--nt-accent); color: #fff; }
.con-btn-primary:hover { background: #3d7ae8; }
.con-btn-secondary { background: rgba(255,255,255,0.07); color: var(--nt-text); border: 1px solid var(--nt-border); }
.con-btn-secondary:hover { background: rgba(255,255,255,0.12); }
.con-btn-danger { background: rgba(239,68,68,0.12); color: var(--nt-red); border: 1px solid rgba(239,68,68,0.2); }
.con-btn-danger:hover { background: rgba(239,68,68,0.2); }

.con-content { padding: 28px; flex: 1; }

/* ───── CONSOLE COMPONENTS ───── */
.con-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.con-section-header h2 { font-size: 1.1rem; font-weight: 700; }
.con-section-desc { font-size: 0.84rem; color: var(--nt-muted); margin-top: 2px; }

.con-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.con-stat-card {
  padding: 20px 22px;
  border-radius: var(--nt-radius);
  border: 1px solid var(--nt-border);
  background: var(--nt-surface);
}
.con-stat-label { font-size: 0.78rem; color: var(--nt-muted); font-family: 'IBM Plex Mono', monospace; text-transform: uppercase; letter-spacing: 0.06em; }
.con-stat-value { font-size: 1.8rem; font-weight: 800; letter-spacing: -0.05em; margin-top: 8px; }
.con-stat-value.accent { color: var(--nt-accent); }
.con-stat-value.green { color: var(--nt-green); }

.con-card {
  padding: 24px;
  border-radius: var(--nt-radius-lg);
  border: 1px solid var(--nt-border);
  background: var(--nt-surface);
  margin-bottom: 20px;
}
.con-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 18px; }

.con-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.con-form-grid.single { grid-template-columns: 1fr; }
.con-form-group { display: flex; flex-direction: column; gap: 6px; }
.con-form-group.span2 { grid-column: span 2; }
.con-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--nt-muted-strong);
  letter-spacing: 0.02em;
}
.con-input,
.con-select,
.con-textarea {
  background: var(--nt-bg);
  border: 1px solid var(--nt-border-strong);
  border-radius: 8px;
  color: var(--nt-text);
  font-family: inherit;
  font-size: 0.88rem;
  padding: 9px 12px;
  transition: border-color 0.15s;
  outline: none;
  width: 100%;
}
.con-input:focus,
.con-select:focus,
.con-textarea:focus { border-color: var(--nt-accent); box-shadow: 0 0 0 3px var(--nt-accent-glow); }
.con-textarea { resize: vertical; min-height: 80px; font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; }
.con-select { appearance: none; cursor: pointer; }
.con-file-input {
  display: flex;
  align-items: center;
  gap: 10px;
}
.con-file-btn {
  padding: 8px 14px;
  border-radius: 7px;
  border: 1px dashed var(--nt-border-strong);
  background: rgba(255,255,255,0.03);
  color: var(--nt-muted-strong);
  font-size: 0.84rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.con-file-btn:hover { border-color: var(--nt-accent); background: var(--nt-accent-glow); color: var(--nt-accent); }
.con-file-name { font-size: 0.82rem; color: var(--nt-muted); font-family: 'IBM Plex Mono', monospace; }
input[type=file].con-hidden { display: none; }
.con-form-actions { display: flex; gap: 10px; margin-top: 18px; }
.con-hint { font-size: 0.75rem; color: var(--nt-muted); margin-top: 3px; }

/* ───── TABLE ───── */
.con-table-wrap {
  border-radius: var(--nt-radius);
  border: 1px solid var(--nt-border);
  overflow: hidden;
  overflow-x: auto;
}
.con-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.con-table th {
  padding: 10px 14px;
  text-align: left;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--nt-muted);
  background: var(--nt-surface);
  border-bottom: 1px solid var(--nt-border);
  white-space: nowrap;
}
.con-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--nt-border);
  vertical-align: middle;
  background: var(--nt-bg);
}
.con-table tbody tr:last-child td { border-bottom: 0; }
.con-table tbody tr:hover td { background: rgba(255,255,255,0.02); }
.con-table-empty td { text-align: center; color: var(--nt-muted); padding: 40px; font-size: 0.88rem; }

/* ───── STATUS BADGES ───── */
.con-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.con-badge-dot { width: 5px; height: 5px; border-radius: 50%; }
.con-badge.online { background: rgba(34, 197, 94, 0.12); color: var(--nt-green); border: 1px solid rgba(34,197,94,0.2); }
.con-badge.online .con-badge-dot { background: var(--nt-green); }
.con-badge.offline { background: rgba(255,255,255,0.05); color: var(--nt-muted); border: 1px solid var(--nt-border); }
.con-badge.running { background: rgba(79, 140, 255, 0.12); color: var(--nt-accent); border: 1px solid rgba(79,140,255,0.25); }
.con-badge.running .con-badge-dot { background: var(--nt-accent); animation: pulse 1.5s ease-in-out infinite; }
.con-badge.completed { background: rgba(34, 197, 94, 0.12); color: var(--nt-green); border: 1px solid rgba(34,197,94,0.2); }
.con-badge.failed { background: rgba(239, 68, 68, 0.1); color: var(--nt-red); border: 1px solid rgba(239,68,68,0.2); }
.con-badge.pending { background: rgba(249, 115, 22, 0.1); color: var(--nt-orange); border: 1px solid rgba(249,115,22,0.2); }

/* ───── TABS ───── */
.con-tabs { display: flex; gap: 2px; margin-bottom: 24px; background: var(--nt-surface); border-radius: 10px; padding: 4px; width: fit-content; }
.con-tab {
  padding: 7px 16px;
  border-radius: 7px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--nt-muted-strong);
  cursor: pointer;
  border: none;
  background: none;
  transition: all 0.12s;
}
.con-tab.active { background: var(--nt-accent); color: #fff; font-weight: 600; }
.con-tab:not(.active):hover { color: var(--nt-text); background: rgba(255,255,255,0.06); }

/* ───── HYPERPARAMS ───── */
.con-hyperparams {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

/* ───── ALGO CARDS ───── */
.con-algo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.con-algo-card {
  padding: 16px;
  border-radius: 10px;
  border: 2px solid var(--nt-border);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  background: var(--nt-bg);
}
.con-algo-card:hover { border-color: var(--nt-border-strong); }
.con-algo-card.selected { border-color: var(--nt-accent); background: var(--nt-accent-glow); }
.con-algo-card h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 4px; }
.con-algo-card p { font-size: 0.8rem; color: var(--nt-muted-strong); line-height: 1.5; }

/* ───── TOAST ───── */
.con-toast-wrap {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
}
.con-toast {
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid;
  font-size: 0.86rem;
  font-weight: 500;
  max-width: 340px;
  animation: slideIn 0.2s ease;
  box-shadow: var(--nt-shadow);
}
.con-toast.success { background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.25); color: #4ade80; }
.con-toast.error { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.25); color: #f87171; }
.con-toast.info { background: rgba(79,140,255,0.1); border-color: rgba(79,140,255,0.25); color: var(--nt-accent); }
@keyframes slideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ───── EMPTY STATE ───── */
.con-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--nt-muted);
}
.con-empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
.con-empty h3 { font-size: 1rem; color: var(--nt-muted-strong); margin-bottom: 8px; }
.con-empty p { font-size: 0.88rem; max-width: 320px; margin: 0 auto; line-height: 1.6; }

/* ───── BLOG PAGE ───── */
.blog-shell { max-width: 780px; margin: 0 auto; padding: 0 24px 80px; }
.blog-nav {
  padding: 20px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.blog-nav a { font-size: 0.86rem; color: var(--nt-muted); }
.blog-nav a:hover { color: var(--nt-text); }
.blog-nav-sep { color: rgba(255,255,255,0.2); font-size: 0.8rem; }
.blog-hero { padding: 40px 0 48px; border-bottom: 1px solid var(--nt-border); margin-bottom: 48px; }
.blog-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem;
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid rgba(79,140,255,0.3);
  background: rgba(79,140,255,0.08);
  color: var(--nt-accent);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}
.blog-h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 18px;
}
.blog-subtitle {
  font-size: 1.1rem;
  color: var(--nt-muted-strong);
  line-height: 1.68;
  margin-bottom: 24px;
}
.blog-meta { display: flex; gap: 20px; align-items: center; }
.blog-meta-item { font-size: 0.82rem; color: var(--nt-muted); font-family: 'IBM Plex Mono', monospace; }
.blog-article h2 { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.03em; margin: 48px 0 14px; }
.blog-article h3 { font-size: 1.1rem; font-weight: 700; margin: 32px 0 10px; }
.blog-article p { font-size: 1rem; line-height: 1.85; color: var(--nt-muted-strong); margin-bottom: 18px; }
.blog-article ul, .blog-article ol { padding-left: 22px; margin-bottom: 18px; }
.blog-article li { font-size: 1rem; line-height: 1.8; color: var(--nt-muted-strong); margin-bottom: 4px; }
.blog-callout {
  padding: 20px 24px;
  border-left: 3px solid var(--nt-accent);
  background: rgba(79,140,255,0.06);
  border-radius: 0 10px 10px 0;
  margin: 24px 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--nt-muted-strong);
}
.blog-bench-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.92rem;
}
.blog-bench-table th {
  padding: 10px 14px;
  text-align: left;
  background: var(--nt-surface);
  border: 1px solid var(--nt-border);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--nt-muted);
}
.blog-bench-table td {
  padding: 11px 14px;
  border: 1px solid var(--nt-border);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.86rem;
}
.blog-bench-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

/* ───── RESPONSIVE ───── */
@media (max-width: 900px) {
  .nt-products { grid-template-columns: 1fr; }
  .nt-bench-grid { grid-template-columns: 1fr 1fr; }
  .con-stats-grid { grid-template-columns: 1fr 1fr; }
  .con-form-grid { grid-template-columns: 1fr; }
  .con-form-group.span2 { grid-column: span 1; }
  .con-hyperparams { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nt-hero { padding: 60px 0 48px; }
  .nt-section { padding: 52px 0; }
  .nt-hero-stats { flex-direction: column; }
  .nt-stat-div { width: 100%; height: 1px; }
  .nt-stat { padding: 12px 0 !important; }
  .nt-flow-arrow { display: none; }
  .nt-bench-grid { grid-template-columns: 1fr 1fr; }
  .con-shell { flex-direction: column; height: auto; }
  .con-sidebar { width: 100%; height: auto; }
  .con-stats-grid { grid-template-columns: 1fr 1fr; }
  .nt-nav-links { display: none; }
}

/* ───── HOME DARK PROMPT ───── */
.nt-home-shell {
  min-height: 100vh;
  background: var(--nt-bg);
  color: var(--nt-text);
  font-family: 'Manrope', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.nt-home-main { padding-bottom: 80px; }

/* topbar pill */
.nt-topbar {
  position: sticky; top: 16px; z-index: 50;
  margin: 16px auto 0;
  max-width: 1200px;
  padding: 0 20px;
}
.nt-topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--nt-border-strong);
  background: rgba(9,11,15,0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.nt-topbar-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nt-topbar-logo { width: 30px; height: 30px; object-fit: contain; }
.nt-topbar-wordmark { height: 18px; width: auto; }
.nt-topbar-nav { display: flex; align-items: center; gap: 4px; }
.nt-topbar-nav a {
  padding: 6px 13px; border-radius: 999px; font-size: 0.9rem;
  color: var(--nt-muted-strong); text-decoration: none;
  transition: color .14s, background .14s;
}
.nt-topbar-nav a:hover { color: var(--nt-text); background: rgba(255,255,255,0.06); }
.nt-topbar-auth { display: flex; gap: 8px; align-items: center; }
.nt-topbar-login {
  padding: 7px 18px; border-radius: 999px; font-size: 0.9rem; font-weight: 500;
  color: var(--nt-muted-strong); text-decoration: none;
  border: 1px solid var(--nt-border-strong);
  transition: color .14s, border-color .14s;
}
.nt-topbar-login:hover { color: var(--nt-text); border-color: rgba(255,255,255,0.22); }
.nt-topbar-cta {
  padding: 7px 18px; border-radius: 999px; font-size: 0.9rem; font-weight: 600;
  background: var(--nt-accent); color: #fff; text-decoration: none;
  transition: background .14s;
}
.nt-topbar-cta:hover { background: #3d7ae8; }

/* hero */
.nt-home-hero {
  min-height: calc(88vh - 80px);
  padding-top: 110px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  position: relative; overflow: hidden;
}
.nt-home-hero::before {
  content: '';
  position: absolute; top: -160px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 700px;
  background: radial-gradient(ellipse at center,
    rgba(79,140,255,.14) 0%, rgba(120,80,255,.06) 40%, transparent 70%);
  pointer-events: none;
}
.nt-home-announce {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid rgba(79,140,255,.25);
  background: rgba(79,140,255,.08);
  font-family: 'IBM Plex Mono', monospace; font-size: 0.76rem;
  color: var(--nt-accent); letter-spacing: .04em;
  margin-bottom: 28px;
}
.nt-home-announce::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--nt-green);
  box-shadow: 0 0 6px var(--nt-green);
  animation: pulse 2s ease-in-out infinite;
}
.nt-home-h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.5rem); font-weight: 800;
  letter-spacing: -0.05em; line-height: 1.04;
  max-width: 820px; margin: 0 auto 16px;
}
.nt-home-h1 span { color: rgba(232,234,242,.48); }

/* prompt shell dark */
.nt-prompt-shell {
  width: min(760px, calc(100% - 40px));
  margin: 56px auto 0;
  padding: 12px;
  border-radius: 28px;
  border: 1px solid var(--nt-border-strong);
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.04) inset;
}
.nt-prompt-input {
  min-height: 68px; padding: 16px 16px 16px 20px;
  border-radius: 20px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 14px;
}
.nt-prompt-input input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  color: var(--nt-text); font: inherit; font-size: 1.05rem;
}
.nt-prompt-input input::placeholder { color: rgba(232,234,242,.38); }
.nt-prompt-send {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 50%; border: none;
  background: var(--nt-accent); color: #fff;
  font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .14s, box-shadow .14s;
}
.nt-prompt-send:hover { background: #3d7ae8; box-shadow: 0 0 0 4px rgba(79,140,255,.22); }
.nt-prompt-actions {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 8px 4px;
}
.nt-prompt-actions button {
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--nt-border-strong);
  background: rgba(255,255,255,.04); color: var(--nt-muted-strong);
  font: inherit; font-size: .82rem; cursor: pointer;
  transition: color .13s, background .13s, border-color .13s;
  white-space: nowrap;
}
.nt-prompt-actions button:hover {
  color: var(--nt-text); background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
}

/* metrics */
.nt-home-metrics {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 14px;
  max-width: 1160px; margin: 52px auto 0; padding: 0 20px;
}
.nt-metric-card {
  padding: 22px 24px; border-radius: 18px;
  border: 1px solid var(--nt-border);
  background: var(--nt-surface);
  text-decoration: none; color: inherit;
  transition: border-color .15s, background .15s;
}
.nt-metric-card:hover { border-color: var(--nt-border-strong); background: var(--nt-surface-2); }
.nt-mono-label {
  font-family: 'IBM Plex Mono', monospace; font-size: .73rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--nt-muted);
}
.nt-metric-number {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  letter-spacing: -.05em; margin: 10px 0 6px;
  font-family: 'IBM Plex Mono', monospace;
}
.nt-metric-text { font-size: .84rem; color: var(--nt-muted-strong); line-height: 1.55; }

/* GPU / pricing cards */
.nt-gpu-section { padding: 72px 0; }
.nt-gpu-section .nt-container > p.nt-eyebrow { margin-bottom: 12px; }
.nt-gpu-section h2 { margin-bottom: 10px; }
.nt-gpu-sub { font-size: 1rem; color: var(--nt-muted-strong); margin-bottom: 44px; max-width: 560px; }
.nt-gpu-grid {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 16px;
}
.nt-gpu-card {
  padding: 26px; border-radius: 18px;
  border: 1px solid var(--nt-border);
  background: var(--nt-surface);
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color .15s, transform .15s;
  text-decoration: none; color: inherit;
}
.nt-gpu-card:hover { border-color: rgba(79,140,255,.35); transform: translateY(-2px); }
.nt-gpu-card--featured { border-color: rgba(79,140,255,.3); background: linear-gradient(140deg, rgba(79,140,255,.07) 0%, var(--nt-surface) 60%); }
.nt-gpu-icon { font-size: 1.8rem; }
.nt-gpu-tier { font-size: .72rem; font-family: 'IBM Plex Mono',monospace; letter-spacing: .1em; text-transform: uppercase; color: var(--nt-accent); }
.nt-gpu-name { font-size: 1.1rem; font-weight: 800; letter-spacing: -.03em; }
.nt-gpu-specs { display: flex; flex-direction: column; gap: 5px; }
.nt-gpu-spec { font-size: .8rem; color: var(--nt-muted-strong); display: flex; align-items: center; gap: 6px; }
.nt-gpu-spec::before { content: '·'; color: var(--nt-accent); }
.nt-gpu-price { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--nt-border); }
.nt-gpu-price-val { font-size: 1.4rem; font-weight: 800; letter-spacing: -.04em; font-family: 'IBM Plex Mono',monospace; }
.nt-gpu-price-unit { font-size: .75rem; color: var(--nt-muted); margin-top: 2px; }
.nt-gpu-cta {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 8px 0; border-radius: 9px;
  background: rgba(79,140,255,.1); color: var(--nt-accent);
  font-size: .83rem; font-weight: 600; border: 1px solid rgba(79,140,255,.2);
  transition: background .14s;
}
.nt-gpu-cta:hover { background: rgba(79,140,255,.18); }

/* how it works */
.nt-how-section { padding: 72px 0; background: var(--nt-surface); border-top: 1px solid var(--nt-border); border-bottom: 1px solid var(--nt-border); }
.nt-how-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-top: 44px; }
.nt-how-card { display: flex; flex-direction: column; gap: 14px; }
.nt-how-num {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--nt-accent-glow); border: 1px solid rgba(79,140,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-family: 'IBM Plex Mono',monospace; font-size: .86rem; color: var(--nt-accent);
  font-weight: 700;
}
.nt-how-card h3 { font-size: 1.05rem; font-weight: 700; }
.nt-how-card p { font-size: .9rem; color: var(--nt-muted-strong); line-height: 1.65; }

/* launch card dark */
.nt-launch-section { padding: 72px 0; }
.nt-launch-card {
  display: block; padding: 36px 40px;
  border-radius: 20px; border: 1px solid var(--nt-border);
  background: var(--nt-surface); text-decoration: none; color: inherit;
  transition: border-color .15s, background .15s;
}
.nt-launch-card:hover { border-color: rgba(79,140,255,.3); background: rgba(79,140,255,.04); }
.nt-launch-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.nt-launch-copy { flex: 1; min-width: 280px; }
.nt-launch-copy h2 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 800; letter-spacing: -.04em; margin: 10px 0; }
.nt-launch-copy p { font-size: .98rem; color: var(--nt-muted-strong); line-height: 1.72; max-width: 540px; }
.nt-launch-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; flex-shrink: 0; }
.nt-launch-pill {
  padding: 5px 13px; border-radius: 999px;
  border: 1px solid var(--nt-border-strong);
  font-size: .78rem; font-family: 'IBM Plex Mono',monospace;
  color: var(--nt-muted-strong); letter-spacing: .02em;
}
.nt-launch-arrow { font-size: .9rem; color: var(--nt-accent); font-weight: 600; margin-top: 6px; }

/* home contact */
.nt-home-contact { padding: 80px 0; text-align: center; }
.nt-home-contact h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -.04em; margin-bottom: 16px; }
.nt-home-contact p { color: var(--nt-muted-strong); margin-bottom: 32px; font-size: 1.05rem; line-height: 1.7; max-width: 500px; margin-left: auto; margin-right: auto; }
.nt-home-contact-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* home footer */
.nt-home-footer { border-top: 1px solid var(--nt-border); padding: 24px 20px; text-align: center; font-size: .82rem; color: var(--nt-muted); }
.nt-home-footer a { color: var(--nt-muted-strong); }
.nt-home-footer a:hover { color: var(--nt-text); }

/* auth dark */
.nt-auth-body {
  min-height: 100vh; display: flex; flex-direction: column;
  background: var(--nt-bg); color: var(--nt-text);
  font-family: 'Manrope', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.nt-auth-main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.nt-auth-card {
  width: 100%; max-width: 420px;
  padding: 40px 36px;
  border-radius: 20px;
  border: 1px solid var(--nt-border-strong);
  background: var(--nt-surface);
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
}
.nt-auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; }
.nt-auth-brand img { width: 28px; height: 28px; object-fit: contain; }
.nt-auth-brand span { font-weight: 700; font-size: .95rem; }
.nt-auth-eyebrow { font-family: 'IBM Plex Mono',monospace; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--nt-accent); margin-bottom: 8px; }
.nt-auth-title { font-size: 1.6rem; font-weight: 800; letter-spacing: -.04em; margin-bottom: 8px; }
.nt-auth-subtitle { font-size: .9rem; color: var(--nt-muted-strong); margin-bottom: 28px; }
.nt-auth-form { display: flex; flex-direction: column; gap: 14px; }
.nt-auth-label { font-size: .8rem; font-weight: 600; color: var(--nt-muted-strong); display: block; margin-bottom: 5px; }
.nt-auth-field {
  width: 100%; padding: 10px 14px;
  border-radius: 9px; border: 1px solid var(--nt-border-strong);
  background: var(--nt-bg); color: var(--nt-text);
  font: inherit; font-size: .92rem; outline: none;
  transition: border-color .15s;
}
.nt-auth-field:focus { border-color: var(--nt-accent); box-shadow: 0 0 0 3px var(--nt-accent-glow); }
.nt-auth-submit {
  width: 100%; padding: 11px;
  border-radius: 9px; border: none;
  background: var(--nt-accent); color: #fff;
  font: inherit; font-size: .95rem; font-weight: 700;
  cursor: pointer; margin-top: 4px;
  transition: background .14s;
}
.nt-auth-submit:hover { background: #3d7ae8; }
.nt-auth-submit:disabled { opacity: .6; cursor: not-allowed; }
.nt-auth-status { font-size: .83rem; min-height: 18px; margin-top: 4px; color: var(--nt-muted); }
.nt-auth-status.is-error { color: var(--nt-red); }
.nt-auth-status.is-success { color: var(--nt-green); }
.nt-auth-switch { font-size: .86rem; color: var(--nt-muted); margin-top: 20px; text-align: center; }
.nt-auth-switch a { color: var(--nt-accent); font-weight: 600; }
.nt-auth-divider { border: none; border-top: 1px solid var(--nt-border); margin: 8px 0; }
.nt-auth-check-row { display: flex; align-items: flex-start; gap: 10px; font-size: .82rem; color: var(--nt-muted-strong); line-height: 1.5; }
.nt-auth-check-row a { color: var(--nt-accent); }
.nt-code-row { display: flex; flex-direction: column; gap: 5px; }

@media (max-width: 760px) {
  .nt-home-metrics { grid-template-columns: 1fr 1fr; }
  .nt-gpu-grid { grid-template-columns: 1fr 1fr; }
  .nt-how-grid { grid-template-columns: 1fr; }
  .nt-topbar-nav { display: none; }
}
@media (max-width: 500px) {
  .nt-home-metrics { grid-template-columns: 1fr; }
  .nt-gpu-grid { grid-template-columns: 1fr; }
}