/* ─── GRID BACKGROUND ────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
}

/* ─── NAV ────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: 58px; display: flex; align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  transition: border-color var(--tm);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-weight: 700; font-size: .92rem; letter-spacing: -.01em;
  color: var(--text-primary); transition: opacity var(--t);
}
.nav-logo:hover { opacity: .7; }
.logo-mark {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: var(--text-primary); color: #000;
  font-size: .62rem; font-weight: 900; letter-spacing: .06em;
  border-radius: var(--radius-sm);
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links .sep { width: 1px; height: 16px; background: var(--border-mid); margin: 0 4px; }
@media (max-width: 520px) { .nav-ghost { display: none; } }

/* ─── HERO ───────────────────────────────────────────────────── */
.hero {
  position: relative; z-index: 1;
  padding: 148px 0 100px;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  border-bottom: 1px solid var(--border);
}

/* Scanline sweep */
.hero::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
  animation: scanline 8s linear infinite;
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: .7rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted);
  border: 1px solid var(--border-mid);
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 36px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok); flex-shrink: 0;
  animation: pulse 2.2s ease-in-out infinite;
}

.hero-headline {
  font-size: clamp(3.2rem, 9vw, 7rem);
  font-weight: 800; letter-spacing: -.045em; line-height: 1;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.hero-headline .dim { color: var(--text-muted); }

.hero-sub-line {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: clamp(.78rem, 1.5vw, .95rem);
  color: var(--text-muted); margin-bottom: 44px; margin-top: 24px;
  flex-wrap: wrap;
}
.hero-sub-line .cursor {
  display: inline-block; width: 8px; height: 1em;
  background: var(--text-secondary);
  vertical-align: text-bottom;
  animation: blink 1.1s step-end infinite;
}
.hero-sub-line .pipe { color: var(--text-dim); }

.hero-cta {
  display: flex; align-items: center; gap: 12px;
  flex-wrap: wrap; margin-bottom: 56px;
}
.hero-cta .btn { font-size: .9rem; padding: 12px 26px; }
.hero-cta .btn-primary { gap: 10px; }
.btn-arrow {
  display: inline-flex; align-items: center;
  transition: transform var(--t);
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* Hero stats bar */
.hero-stats {
  display: flex; align-items: center; gap: 0;
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; width: fit-content;
  font-family: var(--font-mono);
}
.hero-stat {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  font-size: .72rem; color: var(--text-muted);
  border-right: 1px solid var(--border);
}
.hero-stat:last-child { border-right: none; }
.hero-stat strong { color: var(--text-primary); font-weight: 600; }
@media (max-width: 640px) { .hero-stats { flex-wrap: wrap; } }

/* ─── SECTION COMMON ─────────────────────────────────────────── */
.section { padding: 88px 0; border-top: 1px solid var(--border); position: relative; z-index: 1; }
.section-eyebrow {
  font-family: var(--font-mono); font-size: .65rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 8px;
}
.section-title { color: var(--text-primary); margin-bottom: 14px; }
.section-sub { color: var(--text-secondary); max-width: 520px; line-height: 1.7; font-size: .95rem; }

/* ─── PIPELINE ───────────────────────────────────────────────── */
/* Flow bar: 01 → 02 → 03 → 04 → 05 → 06 */
.flow-bar {
  display: flex; align-items: center;
  gap: 0; margin: 40px 0 48px;
  overflow-x: auto; padding: 0 0 8px;
  scrollbar-width: thin;
}
.flow-node {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 20px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-panel); min-width: 110px; flex-shrink: 0;
  transition: border-color var(--tm), background var(--tm), transform var(--tm);
  cursor: default;
}
.flow-node:hover { border-color: var(--border-hi); background: var(--bg-hover); transform: translateY(-2px); }
.flow-num {
  font-family: var(--font-mono); font-size: .6rem; font-weight: 800;
  letter-spacing: .12em; color: var(--text-dim); text-transform: uppercase;
}
.flow-label {
  font-size: .72rem; font-weight: 700; color: var(--text-secondary);
  text-align: center; white-space: nowrap;
}
.flow-node:hover .flow-num   { color: var(--text-muted); }
.flow-node:hover .flow-label { color: var(--text-primary); }

.flow-arrow {
  display: flex; align-items: center; flex-shrink: 0;
  padding: 0 4px; position: relative;
}
.flow-line {
  width: 28px; height: 1px; background: var(--border); position: relative; overflow: hidden;
}
.flow-line::after {
  content: '';
  position: absolute; top: 0; left: -60%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  animation: flow 2.4s linear infinite;
}
.flow-arrowhead {
  color: var(--text-dim); font-size: .7rem; margin-left: -2px;
}

/* Stage cards */
.stages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 900px) { .stages-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .stages-grid { grid-template-columns: 1fr; } }

.stage-card {
  background: var(--bg-base);
  padding: 26px 24px;
  position: relative; overflow: hidden;
  transition: background var(--tm);
}
.stage-card:hover { background: var(--bg-panel); }
.stage-card::before {
  content: attr(data-num);
  position: absolute; bottom: -12px; right: 14px;
  font-family: var(--font-mono); font-size: 5rem; font-weight: 900;
  color: var(--text-dim); line-height: 1; pointer-events: none;
  transition: color var(--tm);
  opacity: 0.6;
}
.stage-card:hover::before { color: var(--border-mid); }

.stage-tag {
  font-family: var(--font-mono); font-size: .58rem; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 10px;
}
.stage-name {
  font-size: .92rem; font-weight: 700; color: var(--text-primary); margin-bottom: 9px; line-height: 1.3;
}
.stage-desc {
  font-size: .77rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px;
}
.stage-file {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: .65rem; color: var(--text-dim);
  background: var(--bg-panel); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: var(--radius-sm);
  position: relative; z-index: 1;
}

/* ─── PRIVACY ────────────────────────────────────────────────── */
.privacy-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: start; margin-top: 40px;
}
@media (max-width: 768px) { .privacy-grid { grid-template-columns: 1fr; gap: 36px; } }

.terminal-block {
  background: var(--bg-base);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
}
.terminal-titlebar {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}
.t-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-mid); }
.terminal-title {
  margin-left: 6px; font-size: .68rem; color: var(--text-dim);
  letter-spacing: .06em;
}
.terminal-body { padding: 18px 18px 22px; font-size: .78rem; line-height: 2; }
.t-line { display: flex; align-items: center; gap: 0; }
.t-line .t-connector {
  width: 1px; background: var(--border-mid); align-self: stretch;
  margin-left: 8px; margin-right: 16px; flex-shrink: 0;
}
.t-node {
  padding: 8px 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex; align-items: center; gap: 9px;
  transition: border-color var(--t), color var(--t);
  width: 100%;
}
.t-node.ok { border-color: rgba(74,222,128,.3); color: var(--ok); }
.t-node:not(.ok):hover { border-color: var(--border-mid); color: var(--text-primary); }
.t-arrow { color: var(--text-dim); text-align: center; padding: 3px 0 3px 8px; font-size: .9rem; }
.t-sub { font-size: .65rem; color: var(--text-dim); margin-top: 1px; }
.t-label { font-weight: 600; }

.privacy-points { display: flex; flex-direction: column; gap: 28px; }
.pp {
  display: flex; gap: 16px; align-items: flex-start;
  padding-bottom: 28px; border-bottom: 1px solid var(--border);
}
.pp:last-child { padding-bottom: 0; border-bottom: none; }
.pp-icon {
  width: 32px; height: 32px; flex-shrink: 0;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); margin-top: 2px;
}
.pp-title { font-size: .88rem; font-weight: 700; margin-bottom: 4px; }
.pp-text  { font-size: .8rem; color: var(--text-muted); line-height: 1.6; }

/* ─── COMPAT ─────────────────────────────────────────────────── */
.compat-table {
  width: 100%; border-collapse: collapse;
  border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
  font-size: .82rem;
  margin-top: 36px;
}
.compat-table th {
  text-align: left; padding: 10px 16px;
  background: var(--bg-panel); color: var(--text-dim);
  font-family: var(--font-mono); font-size: .65rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.compat-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.compat-table tr:last-child td { border-bottom: none; }
.compat-table tr { transition: background var(--t); }
.compat-table tr:hover td { background: var(--bg-panel); }
.compat-table td:first-child { font-weight: 600; color: var(--text-primary); font-size: .82rem; }
.c-yes  { color: var(--ok);       display: flex; align-items: center; gap: 5px; }
.c-part { color: var(--warn);     display: flex; align-items: center; gap: 5px; }
.c-no   { color: var(--text-dim); display: flex; align-items: center; gap: 5px; }

/* ─── SETUP ──────────────────────────────────────────────────── */
.steps-list { display: flex; flex-direction: column; gap: 0; margin-top: 36px; }
.step {
  display: grid; grid-template-columns: 52px 1fr;
  gap: 0; padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--t);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: var(--font-mono); font-size: .6rem; font-weight: 800;
  color: var(--text-dim); padding-top: 3px; letter-spacing: .08em;
}
.step-body { padding-right: 20px; }
.step-title { font-size: .9rem; font-weight: 700; margin-bottom: 5px; }
.step-desc  { font-size: .8rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.code-block {
  font-family: var(--font-mono); font-size: .75rem; line-height: 1.7;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px; color: var(--text-secondary);
  overflow-x: auto; position: relative;
}
.code-block .prompt { color: var(--text-dim); user-select: none; }
.code-block .cmd    { color: var(--text-primary); }
.code-block .comment { color: var(--text-dim); }

/* ─── CREDITS ────────────────────────────────────────────────── */
.credits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; margin-top: 36px;
}
@media (max-width: 780px) { .credits-grid { grid-template-columns: 1fr; } }

.credit-card {
  background: var(--bg-base);
  padding: 28px 24px;
  transition: background var(--tm);
}
.credit-card:hover { background: var(--bg-panel); }

.credit-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.credit-icon {
  width: 34px; height: 34px; flex-shrink: 0;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
}
.credit-name { font-size: .88rem; font-weight: 700; }
.credit-role { font-size: .72rem; color: var(--text-dim); margin-top: 1px; font-family: var(--font-mono); }
.credit-desc { font-size: .78rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.credit-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: .68rem; color: var(--text-secondary);
  border: 1px solid var(--border); padding: 5px 10px; border-radius: var(--radius-sm);
  transition: border-color var(--t), color var(--t);
}
.credit-link:hover { border-color: var(--border-hi); color: var(--text-primary); }

/* ─── DISCLAIMER ─────────────────────────────────────────────── */
.disclaimer {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 16px 20px; margin-top: 32px;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius); font-size: .76rem;
  color: var(--text-muted); line-height: 1.6;
}
.disclaimer svg { flex-shrink: 0; margin-top: 1px; color: var(--text-dim); }

/* ─── QUIP ───────────────────────────────────────────────────── */
.quip-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 40px 0 0;
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.7;
  position: relative;
  overflow: hidden;
}
.quip-block::before {
  content: '"';
  position: absolute; top: -8px; left: 16px;
  font-size: 5rem; color: var(--text-dim); line-height: 1;
  font-family: Georgia, serif;
  pointer-events: none;
}
.quip-block p { position: relative; z-index: 1; }
.quip-block cite { display: block; color: var(--text-dim); margin-top: 8px; font-style: normal; font-size: .7rem; }

/* ─── FOOTER ─────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border); padding: 24px 0;
  position: relative; z-index: 1;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-family: var(--font-mono); font-size: .72rem; color: var(--text-dim); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-family: var(--font-mono); font-size: .72rem; color: var(--text-dim); transition: color var(--t); }
.footer-links a:hover { color: var(--text-secondary); }