@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-void: #0a0612;
  --bg-panel: #140d24;
  --bg-panel-2: #1b1230;
  --line: rgba(155, 107, 255, 0.22);
  --line-bright: rgba(155, 107, 255, 0.5);
  --neon-magenta: #ff2ec4;
  --neon-cyan: #2fe8ff;
  --neon-violet: #9b6bff;
  --text-primary: #f3eefc;
  --text-muted: #9c93b8;
  --text-dim: #675e82;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(255, 46, 196, 0.14), transparent 60%),
    radial-gradient(ellipse 55% 45% at 90% 15%, rgba(47, 232, 255, 0.12), transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(155, 107, 255, 0.12), transparent 60%);
}

h1, h2, h3, .display {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

a { color: inherit; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(10, 6, 18, 0.7);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 26px;
  height: 26px;
  position: relative;
}
.nav-cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-bright);
  color: var(--text-primary);
  text-decoration: none;
  transition: border-color .2s, box-shadow .2s;
}
.nav-cta:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 16px rgba(47, 232, 255, 0.35);
}

/* ---------- Timeline ruler (signature motif) ---------- */
.ruler {
  position: relative;
  height: 34px;
  margin: 0 0 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.ruler-ticks {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
}
.ruler-ticks span {
  flex: 1 0 auto;
  width: 1px;
  height: 8px;
  background: var(--text-dim);
  margin-right: calc(3.2% - 1px);
}
.ruler-ticks span:nth-child(4n+1) { height: 16px; background: var(--text-muted); }
.playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 12px var(--neon-cyan), 0 0 28px rgba(47,232,255,0.6);
  animation: scan 7s linear infinite;
}
.playhead::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -4px;
  width: 10px;
  height: 10px;
  background: var(--neon-cyan);
  border-radius: 2px;
  transform: rotate(45deg);
  box-shadow: 0 0 10px var(--neon-cyan);
}
@keyframes scan {
  0% { left: 0%; }
  50% { left: 100%; }
  50.01% { left: 0%; }
  100% { left: 0%; }
}
@media (prefers-reduced-motion: reduce) {
  .playhead { animation: none; left: 30%; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 64px;
  text-align: left;
}
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--neon-magenta);
  border-radius: 1px;
  transform: rotate(45deg);
  box-shadow: 0 0 8px var(--neon-magenta);
}
.hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  max-width: 14ch;
}
.hero h1 .grad {
  background: linear-gradient(90deg, var(--neon-magenta), var(--neon-violet) 55%, var(--neon-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 52ch;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 26px;
  border-radius: 10px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s, box-shadow .2s, border-color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(90deg, var(--neon-magenta), var(--neon-violet));
  color: #0a0612;
  box-shadow: 0 0 0 rgba(255,46,196,0);
}
.btn-primary:hover { box-shadow: 0 4px 28px rgba(255, 46, 196, 0.45); }
.btn-ghost {
  background: transparent;
  border-color: var(--line-bright);
  color: var(--text-primary);
}
.btn-ghost:hover { border-color: var(--neon-cyan); }

/* ---------- Track / feature strip ---------- */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding: 18px 0 12px;
}
.clip {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  position: relative;
  transition: border-color .2s, transform .2s;
}
.clip:hover { border-color: var(--line-bright); transform: translateY(-2px); }
.clip .tc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.clip h3 { font-size: 16px; margin-bottom: 8px; }
.clip p { font-size: 13.5px; color: var(--text-muted); line-height: 1.55; margin: 0; }
.clip .dot {
  width: 8px; height: 8px; border-radius: 2px; transform: rotate(45deg);
  position: absolute; top: 20px; right: 20px;
}
.clip:nth-child(1) .dot { background: var(--neon-magenta); box-shadow: 0 0 8px var(--neon-magenta); }
.clip:nth-child(2) .dot { background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan); }
.clip:nth-child(3) .dot { background: var(--neon-violet); box-shadow: 0 0 8px var(--neon-violet); }
.clip:nth-child(4) .dot { background: var(--neon-magenta); box-shadow: 0 0 8px var(--neon-magenta); }

.divider {
  height: 1px;
  background: var(--line);
  margin: 64px 0;
}

/* ---------- Activation (functional signature element) ---------- */
.activate {
  padding: 10px 0 90px;
}
.activate-head { max-width: 60ch; margin-bottom: 40px; }
.activate-head h2 { font-size: clamp(28px, 4vw, 38px); }
.activate-head p { color: var(--text-muted); margin-top: 12px; font-size: 15.5px; line-height: 1.6; }

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 36px clamp(20px, 4vw, 44px) 40px;
}

/* Keyframe stepper */
.stepper {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin: 6px 0 40px;
  padding: 0 4px;
}
.stepper::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 4px;
  right: 4px;
  height: 2px;
  background: var(--line);
}
.stepper-fill {
  position: absolute;
  top: 10px;
  left: 4px;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-magenta), var(--neon-cyan));
  box-shadow: 0 0 10px var(--neon-cyan);
  transition: width .5s ease;
}
.step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
}
.step .kf {
  width: 20px;
  height: 20px;
  background: var(--bg-panel-2);
  border: 2px solid var(--text-dim);
  transform: rotate(45deg);
  border-radius: 3px;
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.step .kf-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
  transition: color .3s;
}
.step.active .kf { border-color: var(--neon-cyan); box-shadow: 0 0 14px rgba(47,232,255,0.6); }
.step.active .kf-label { color: var(--text-primary); }
.step.done .kf { border-color: var(--neon-magenta); background: var(--neon-magenta); box-shadow: 0 0 14px rgba(255,46,196,0.5); }
.step.done .kf-label { color: var(--neon-magenta); }

.stage { display: none; }
.stage.visible { display: block; animation: fadein .35s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.field input {
  width: 100%;
  background: var(--bg-void);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 0 3px rgba(47, 232, 255, 0.15);
}
.field .hint { font-size: 12.5px; color: var(--text-dim); margin-top: 8px; }

.status {
  font-size: 13.5px;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 20px;
  display: none;
  font-family: 'JetBrains Mono', monospace;
}
.status.visible { display: block; }
.status.error { background: rgba(255, 46, 196, 0.1); border: 1px solid rgba(255, 46, 196, 0.4); color: #ffb3e8; }
.status.ok { background: rgba(47, 232, 255, 0.1); border: 1px solid rgba(47, 232, 255, 0.4); color: #b6f4ff; }
.status.pending { background: rgba(155, 107, 255, 0.1); border: 1px solid rgba(155, 107, 255, 0.4); color: #d6c8ff; }

.success-block { text-align: center; padding: 20px 0 4px; }
.success-block .badge {
  width: 56px; height: 56px; margin: 0 auto 20px;
  border: 2px solid var(--neon-magenta);
  border-radius: 3px;
  transform: rotate(45deg);
  box-shadow: 0 0 22px rgba(255,46,196,0.5);
  position: relative;
}
.success-block .badge::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 8px; height: 8px;
  background: var(--neon-magenta);
  border-radius: 2px;
  transform: translate(-50%,-50%);
}
.success-block h3 { font-size: 22px; margin-bottom: 10px; }
.success-block p { color: var(--text-muted); font-size: 14.5px; }

.btn-row { display: flex; gap: 12px; margin-top: 4px; }
.btn-row .btn { flex: 0 0 auto; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.link-btn {
  background: none; border: none; color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px;
  cursor: pointer; text-decoration: underline; padding: 0;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 30px 0 40px;
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-row p { font-size: 12.5px; color: var(--text-dim); margin: 0; }
.footer-note {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 14px;
  line-height: 1.6;
}

@media (max-width: 700px) {
  .track { grid-template-columns: 1fr 1fr; }
  .stepper .kf-label { font-size: 9.5px; }
}
@media (max-width: 480px) {
  .track { grid-template-columns: 1fr; }
}