/* ============ tokens ============ */
:root{
  --bg: #000000;
  --surface: #0d0d0f;
  --surface-2: #131316;
  --line: #1e1e21;
  --text: #f5f5f7;
  --text-muted: #86868b;
  --blue: #0a84ff;
  --purple: #5e5cea;
  --gradient: linear-gradient(135deg, var(--blue), var(--purple));
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --ease: cubic-bezier(.16,.8,.24,1);
}

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

html{ scroll-behavior:smooth; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-display);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
ul, ol{ list-style:none; }
code{ font-family:var(--font-mono); color:var(--blue); }

::selection{ background:var(--blue); color:#fff; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ============ cursor glow ============ */
.cursor-glow{
  position:fixed;
  top:0; left:0;
  width:520px; height:520px;
  border-radius:50%;
  pointer-events:none;
  z-index:1;
  background:radial-gradient(circle, rgba(10,132,255,0.16), rgba(94,92,234,0.06) 45%, transparent 70%);
  transform:translate(-50%,-50%);
  will-change:transform;
  transition:opacity .3s ease;
}

/* ============ nav ============ */
.nav{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  padding:18px 0;
  transition:padding .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  padding:10px 0;
  background:rgba(0,0,0,0.6);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1120px;
  margin:0 auto;
  padding:0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:16px;
  letter-spacing:-0.01em;
}
.nav-logo-mark{
  width:18px; height:18px;
  border-radius:6px;
  background:var(--gradient);
  display:inline-block;
}
.nav-links{
  display:flex;
  gap:32px;
  font-size:14px;
  color:var(--text-muted);
}
.nav-links a{ transition:color .2s ease; }
.nav-links a:hover{ color:var(--text); }
.nav-cta{
  font-size:13px;
  font-weight:600;
  padding:8px 16px;
  border-radius:980px;
  background:var(--text);
  color:#000;
  transition:transform .2s var(--ease), background .2s ease;
}
.nav-cta:hover{ background:#d9d9de; transform:translateY(-1px); }

@media (max-width:720px){
  .nav-links{ display:none; }
}

/* ============ hero ============ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:140px 24px 80px;
  overflow:hidden;
}
.hero-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 60% 55% at 50% 40%, black 10%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 60% 55% at 50% 40%, black 10%, transparent 75%);
}
.hero-content{ position:relative; z-index:2; max-width:760px; }
.eyebrow-plain{
  color:var(--text-muted);
  font-size:14px;
  margin-bottom:20px;
}
.hero-title{
  font-size:clamp(40px, 7vw, 84px);
  font-weight:800;
  letter-spacing:-0.035em;
  line-height:1.04;
}
.hero-title-accent{
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin:28px auto 0;
  max-width:560px;
  font-size:19px;
  color:var(--text-muted);
}
.hero-actions{
  margin-top:40px;
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.btn{
  padding:13px 26px;
  border-radius:980px;
  font-size:15px;
  font-weight:600;
  transition:transform .25s var(--ease), background .25s ease, border-color .25s ease;
  display:inline-block;
}
.btn-primary{ background:var(--gradient); color:#fff; }
.btn-primary:hover{ transform:translateY(-2px); }
.btn-ghost{ border:1px solid var(--line); color:var(--text); }
.btn-ghost:hover{ border-color:#4c4c50; transform:translateY(-2px); }

.scroll-hint{
  position:absolute;
  bottom:36px;
  left:50%;
  transform:translateX(-50%);
  width:22px; height:36px;
  border:1.5px solid var(--line);
  border-radius:14px;
}
.scroll-hint span{
  position:absolute;
  top:7px; left:50%;
  width:3px; height:7px;
  border-radius:2px;
  background:var(--text-muted);
  transform:translateX(-50%);
  animation:scrollDot 1.8s ease infinite;
}
@keyframes scrollDot{
  0%{ opacity:1; top:7px; }
  70%{ opacity:0; top:18px; }
  100%{ opacity:0; top:7px; }
}

/* ============ generic reveal ============ */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in{ opacity:1; transform:translateY(0); }

.section-title{
  font-size:clamp(28px, 4vw, 44px);
  font-weight:800;
  letter-spacing:-0.02em;
  text-align:center;
  max-width:680px;
  margin:0 auto 64px;
}

/* ============ core / engine ============ */
.core{
  padding:160px 24px;
  max-width:1120px;
  margin:0 auto;
  text-align:center;
}
.core-text h2{
  font-size:clamp(30px, 4.5vw, 48px);
  font-weight:800;
  letter-spacing:-0.02em;
  max-width:680px;
  margin:0 auto;
}
.core-text p{
  margin:22px auto 0;
  max-width:540px;
  color:var(--text-muted);
  font-size:17px;
}

.core-stage{
  margin-top:100px;
  display:flex;
  justify-content:center;
}
.core-orb-wrap{
  position:relative;
  width:340px;
  height:340px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.core-orb{
  position:relative;
  width:180px;
  height:180px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.core-orb-core{
  width:96px; height:96px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #7fbfff, var(--blue) 45%, var(--purple) 100%);
  box-shadow:0 0 60px 10px rgba(10,132,255,0.45), 0 0 120px 30px rgba(94,92,234,0.25);
  animation:pulseCore 3.2s ease-in-out infinite;
}
@keyframes pulseCore{
  0%,100%{ transform:scale(1); }
  50%{ transform:scale(1.08); }
}
.core-orb-ring{
  position:absolute;
  border-radius:50%;
  border:1px solid rgba(10,132,255,0.35);
}
.ring-1{ width:180px; height:180px; animation:spin 14s linear infinite; }
.ring-2{ width:250px; height:250px; border-color:rgba(94,92,234,0.25); animation:spin 22s linear infinite reverse; }
@keyframes spin{ to{ transform:rotate(360deg); } }

.core-spec{
  position:absolute;
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px 16px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,0.02);
  backdrop-filter:blur(8px);
  font-family:var(--font-mono);
  text-align:left;
  opacity:0;
  animation:specIn .8s var(--ease) forwards;
}
.spec-a{ top:-20px; left:-40px; animation-delay:.4s; }
.spec-b{ bottom:10px; left:-70px; animation-delay:.6s; }
.spec-c{ bottom:-10px; right:-90px; animation-delay:.8s; }
@keyframes specIn{
  from{ opacity:0; transform:translateY(10px); }
  to{ opacity:1; transform:translateY(0); }
}
.spec-label{ font-size:11px; color:var(--text-muted); }
.spec-value{ font-size:15px; font-weight:600; color:var(--text); }

@media (max-width:640px){
  .core-orb-wrap{ transform:scale(0.72); }
}

/* ============ stats ============ */
.stats{
  max-width:1120px;
  margin:0 auto;
  padding:100px 24px;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:32px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{ text-align:center; }
.stat-number{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(32px, 4vw, 46px);
  font-weight:600;
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-label{
  display:block;
  margin-top:10px;
  color:var(--text-muted);
  font-size:14px;
}
@media (max-width:800px){
  .stats{ grid-template-columns:repeat(2, 1fr); }
}

/* ============ features ============ */
.features{
  max-width:1120px;
  margin:0 auto;
  padding:140px 24px;
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
}
.feature-card{
  padding:32px;
  border-radius:20px;
  border:1px solid var(--line);
  background:var(--surface);
  transition:border-color .3s ease, transform .1s ease;
  transform-style:preserve-3d;
  will-change:transform;
}
.feature-card:hover{ border-color:#3a3a3e; }
.feature-icon{
  width:44px; height:44px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:20px;
  background:var(--surface-2);
  color:var(--blue);
}
.feature-card h3{
  font-size:18px;
  font-weight:700;
  letter-spacing:-0.01em;
  margin-bottom:10px;
}
.feature-card p{
  color:var(--text-muted);
  font-size:14.5px;
  line-height:1.6;
}
@media (max-width:900px){
  .feature-grid{ grid-template-columns:repeat(2, 1fr); }
}
@media (max-width:600px){
  .feature-grid{ grid-template-columns:1fr; }
}

/* ============ flow ============ */
.flow{
  max-width:760px;
  margin:0 auto;
  padding:140px 24px;
}
.flow-line-wrap{ position:relative; }
.flow-line{
  position:absolute;
  left:23px;
  top:6px;
  width:2px;
  height:0%;
  background:var(--gradient);
  transition:height .1s linear;
}
.flow-line-wrap::before{
  content:'';
  position:absolute;
  left:23px;
  top:6px;
  width:2px;
  height:100%;
  background:var(--line);
}
.flow-steps{ display:flex; flex-direction:column; gap:56px; }
.flow-step{
  position:relative;
  display:flex;
  gap:24px;
  padding-left:0;
}
.flow-index{
  font-family:var(--font-mono);
  font-size:13px;
  color:#000;
  background:var(--text);
  width:48px; height:48px;
  min-width:48px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:600;
  z-index:2;
}
.flow-step h3{ font-size:19px; font-weight:700; margin-bottom:6px; }
.flow-step p{ color:var(--text-muted); font-size:15px; max-width:480px; }

/* ============ deploy / terminal ============ */
.deploy{
  max-width:1120px;
  margin:0 auto;
  padding:140px 24px 160px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.deploy-text h2{
  font-size:clamp(26px, 3.6vw, 38px);
  font-weight:800;
  letter-spacing:-0.02em;
}
.deploy-text p{
  margin-top:18px;
  color:var(--text-muted);
  font-size:16px;
  max-width:420px;
}
.terminal{
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#0a0a0c;
  box-shadow:0 30px 80px -30px rgba(10,132,255,0.25);
}
.terminal-bar{
  display:flex;
  align-items:center;
  gap:8px;
  padding:12px 16px;
  background:var(--surface-2);
  border-bottom:1px solid var(--line);
}
.dot{ width:11px; height:11px; border-radius:50%; }
.dot-r{ background:#ff5f57; }
.dot-y{ background:#febc2e; }
.dot-g{ background:#28c840; }
.terminal-title{
  margin:0 auto;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-muted);
}
.terminal-body{
  padding:24px;
  font-family:var(--font-mono);
  font-size:14px;
  min-height:150px;
}
.prompt{ color:var(--blue); }
.typed{ color:var(--text); }
.cursor-blink{ animation:blink 1s step-end infinite; color:var(--text); }
@keyframes blink{ 50%{ opacity:0; } }
.out{ color:var(--text-muted); margin-top:10px; opacity:0; animation:outIn .4s ease forwards; }
.out.ok{ color:#32d74b; }

@media (max-width:800px){
  .deploy{ grid-template-columns:1fr; }
}
@keyframes outIn{ to{ opacity:1; } }

/* ============ footer ============ */
.footer{
  border-top:1px solid var(--line);
  padding:48px 24px;
}
.footer-inner{
  max-width:1120px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
}
.footer-note{
  color:var(--text-muted);
  font-size:13px;
  max-width:520px;
}