/* ===== Tokens ===== */
:root{
  --bg: #05060a;
  --bg-elevated: #0a0c14;
  --panel: rgba(255,255,255,0.03);
  --panel-border: rgba(255,255,255,0.08);
  --text: #eef0f6;
  --text-dim: #9aa0b4;
  --text-faint: #5c6178;
  --accent-cyan: #00e5ff;
  --accent-violet: #7c5cff;
  --accent-magenta: #ff4fd8;
  --grad: linear-gradient(120deg, var(--accent-cyan), var(--accent-violet) 55%, var(--accent-magenta));
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --display: 'Space Grotesk', var(--sans);
  --radius: 16px;
  --container: 1160px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--display);margin:0;font-weight:600;letter-spacing:-0.02em;}
p{margin:0;}

.section-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.br-desktop{display:inline;}
@media (max-width:640px){ .br-desktop{display:none;} }

/* ===== texture / fx layers ===== */
.grain{
  position:fixed; inset:0; pointer-events:none; z-index:999;
  opacity:.035; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.cursor-glow{
  position:fixed; top:0; left:0; width:520px; height:520px;
  border-radius:50%; pointer-events:none; z-index:1;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, rgba(124,92,255,.14), transparent 70%);
  transition:opacity .3s ease;
  will-change:transform;
}

/* ===== Nav ===== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:18px 0;
  transition:background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(5,6,10,0.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--panel-border);
  padding:12px 0;
}
.nav-inner{
  max-width:var(--container); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{display:flex; align-items:center; gap:10px;}
.brand-mark{width:28px; height:28px; display:inline-flex;}
.brand-mark svg{width:100%; height:100%;}
.brand-mark path{fill:none; stroke:var(--accent-cyan); stroke-width:6;}
.brand-mark circle{fill:var(--accent-violet);}
.brand-word{
  font-family:var(--display); font-weight:600; font-size:1.05rem; letter-spacing:-0.01em;
}
.brand-dot{color:var(--accent-cyan);}
.nav-links{display:flex; align-items:center; gap:32px; font-size:.9rem; color:var(--text-dim);}
.nav-links a{transition:color .2s ease;}
.nav-links a:not(.nav-cta):hover{color:var(--text);}
.nav-cta{
  color:var(--bg) !important;
  background:var(--grad);
  padding:8px 16px;
  border-radius:100px;
  font-weight:600;
  font-size:.85rem;
}
.nav-toggle{display:none;}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding:140px 32px 100px;
  overflow:hidden;
  isolation:isolate;
}
.net-canvas{
  position:absolute; inset:0; z-index:-3; width:100%; height:100%; opacity:.55;
}
.grid-overlay{
  position:absolute; inset:0; z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%, black 20%, transparent 75%);
}
.hero-glow{
  position:absolute; z-index:-2; border-radius:50%; filter:blur(90px);
  pointer-events:none;
}
.hero-glow-1{
  width:640px; height:640px; top:-220px; left:50%; transform:translateX(-70%);
  background:radial-gradient(circle, rgba(0,229,255,.22), transparent 70%);
  animation:drift1 16s ease-in-out infinite alternate;
}
.hero-glow-2{
  width:560px; height:560px; top:10%; left:65%;
  background:radial-gradient(circle, rgba(124,92,255,.22), transparent 70%);
  animation:drift2 20s ease-in-out infinite alternate;
}
@keyframes drift1{ from{transform:translate(-70%,0);} to{transform:translate(-45%,40px);} }
@keyframes drift2{ from{transform:translate(0,0);} to{transform:translate(-60px,-30px);} }

.hero-content{ max-width:820px; text-align:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:.78rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--text-dim);
  border:1px solid var(--panel-border);
  background:var(--panel);
  padding:7px 14px; border-radius:100px;
  margin-bottom:28px;
}
.pulse-dot{
  width:6px; height:6px; border-radius:50%; background:var(--accent-cyan);
  box-shadow:0 0 0 0 rgba(0,229,255,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,229,255,.5);}
  70%{box-shadow:0 0 0 8px rgba(0,229,255,0);}
  100%{box-shadow:0 0 0 0 rgba(0,229,255,0);}
}

.hero h1{
  font-size:clamp(2.4rem, 5.6vw, 4.4rem);
  line-height:1.06;
  margin-bottom:24px;
}
.grad-text{
  background:var(--grad);
  background-size:200% 200%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:gradShift 8s ease infinite;
}
@keyframes gradShift{
  0%{background-position:0% 50%;}
  50%{background-position:100% 50%;}
  100%{background-position:0% 50%;}
}
.hero-sub{
  font-size:1.08rem; color:var(--text-dim); max-width:640px; margin:0 auto 36px;
}
.hero-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 22px; border-radius:100px;
  font-size:.92rem; font-weight:600;
  border:1px solid transparent;
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  cursor:pointer;
}
.btn svg{transition:transform .25s ease;}
.btn:hover svg{transform:translateX(3px);}
.btn-primary{
  background:var(--grad); color:#04050a;
  box-shadow:0 0 0 rgba(0,229,255,0);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px -8px rgba(124,92,255,.55);
}
.btn-ghost{
  background:var(--panel);
  border-color:var(--panel-border);
  color:var(--text);
}
.btn-ghost:hover{
  border-color:rgba(255,255,255,.25);
  transform:translateY(-2px);
}
.btn-lg{ padding:16px 28px; font-size:1rem; }

.hero-metrics{
  margin-top:72px;
  display:flex; gap:0;
  border:1px solid var(--panel-border);
  border-radius:var(--radius);
  background:var(--panel);
  backdrop-filter:blur(8px);
  overflow:hidden;
}
.metric{
  padding:18px 30px;
  display:flex; flex-direction:column; gap:4px;
  border-right:1px solid var(--panel-border);
}
.metric:last-child{border-right:none;}
.metric-label{
  font-family:var(--mono); font-size:.68rem; text-transform:uppercase; letter-spacing:.08em;
  color:var(--text-faint);
}
.metric-value{ font-size:.88rem; font-weight:600; color:var(--text); }

.scroll-cue{
  position:absolute; bottom:32px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  font-family:var(--mono); font-size:.65rem; letter-spacing:.15em; text-transform:uppercase;
  color:var(--text-faint);
}
.scroll-line{
  width:1px; height:36px;
  background:linear-gradient(var(--accent-cyan), transparent);
  animation:scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{opacity:0; transform:scaleY(0); transform-origin:top;}
  40%{opacity:1; transform:scaleY(1); transform-origin:top;}
  100%{opacity:0; transform:scaleY(1); transform-origin:bottom;}
}

/* ===== Strip ===== */
.strip{
  border-top:1px solid var(--panel-border);
  border-bottom:1px solid var(--panel-border);
  background:var(--bg-elevated);
  padding:28px 0;
}
.strip-inner{
  max-width:var(--container); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; gap:28px; flex-wrap:wrap;
}
.strip-label{
  font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em;
  color:var(--text-faint); white-space:nowrap;
}
.strip-tags{ display:flex; gap:10px; flex-wrap:wrap; }
.strip-tags span{
  font-size:.82rem; color:var(--text-dim);
  border:1px solid var(--panel-border);
  padding:6px 14px; border-radius:100px;
  transition:color .2s ease, border-color .2s ease;
}
.strip-tags span:hover{ color:var(--text); border-color:rgba(255,255,255,.2); }

/* ===== Section shared ===== */
.section-kicker{
  display:flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.1em;
  color:var(--accent-cyan);
  margin-bottom:18px;
}
.kicker-line{ width:24px; height:1px; background:var(--accent-cyan); }
.section-headline{
  font-size:clamp(1.8rem, 3.4vw, 2.6rem);
  line-height:1.15;
  max-width:680px;
  margin-bottom:56px;
}

/* ===== Mission ===== */
.mission{ padding:140px 0 120px; position:relative; }
.mission-headline{
  font-size:clamp(1.9rem, 3.8vw, 3rem);
  line-height:1.18;
  max-width:760px;
  margin-bottom:32px;
}
.mission-body{
  font-size:1.08rem; color:var(--text-dim); max-width:640px; line-height:1.75;
}

/* ===== Focus cards ===== */
.focus{ padding:20px 0 140px; }
.focus-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:20px;
}
@media (max-width:900px){ .focus-grid{ grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .focus-grid{ grid-template-columns:1fr;} }

.card{
  position:relative;
  padding:30px 26px;
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--panel-border);
  overflow:hidden;
  transition:transform .35s ease, border-color .35s ease, background .35s ease;
}
.card::before{
  content:''; position:absolute; inset:0; border-radius:inherit; padding:1px;
  background:var(--grad);
  opacity:0;
  -webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  transition:opacity .35s ease;
  pointer-events:none;
}
.card:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,.045);
}
.card:hover::before{ opacity:.6; }
.card-icon{
  width:44px; height:44px;
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--panel-border);
  color:var(--accent-cyan);
  margin-bottom:22px;
}
.card-icon svg{ width:22px; height:22px; }
.card h3{ font-size:1.08rem; margin-bottom:10px; }
.card p{ font-size:.9rem; color:var(--text-dim); line-height:1.65; }

/* ===== Stack diagram ===== */
.stack{ padding:20px 0 140px; }
.stack-diagram{
  display:flex; flex-direction:column; gap:2px;
  border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--panel-border);
}
.stack-layer{
  position:relative;
  display:flex; flex-direction:column; gap:4px;
  padding:26px 28px;
  background:rgba(255,255,255, calc(0.02 + var(--i) * 0.012));
  border-bottom:1px solid var(--panel-border);
  transition:background .3s ease, padding-left .3s ease;
}
.stack-layer:last-child{ border-bottom:none; }
.stack-layer:hover{ background:rgba(255,255,255,.05); padding-left:38px; }
.stack-layer-label{ font-family:var(--display); font-weight:600; font-size:1.02rem; }
.stack-layer-sub{ font-family:var(--mono); font-size:.78rem; color:var(--text-faint); }
.stack-layer-silicon{
  background:linear-gradient(90deg, rgba(0,229,255,.08), rgba(124,92,255,.08));
}
.stack-layer-silicon .stack-layer-label{
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ===== CTA ===== */
.cta{
  position:relative;
  padding:140px 0;
  text-align:center;
  overflow:hidden;
  border-top:1px solid var(--panel-border);
}
.cta-glow{
  position:absolute; left:50%; top:0; transform:translate(-50%,-40%);
  width:900px; height:500px;
  background:radial-gradient(ellipse, rgba(124,92,255,.18), transparent 70%);
  filter:blur(40px);
  pointer-events:none;
}
.cta-inner{ position:relative; }
.cta h2{
  font-size:clamp(2rem, 4.2vw, 3.2rem);
  line-height:1.14;
  margin-bottom:20px;
}
.cta p{
  color:var(--text-dim); font-size:1.05rem; max-width:480px; margin:0 auto 40px;
}
.cta-actions{ display:flex; justify-content:center; }

/* ===== Footer ===== */
.footer{
  border-top:1px solid var(--panel-border);
  padding:36px 0;
}
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;
}
.brand-footer .brand-word{ font-size:.95rem; }
.footer-copy{ font-size:.8rem; color:var(--text-faint); }

/* ===== Reveal on scroll ===== */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
  transition-delay:calc(var(--d, 0) * 90ms);
}
.reveal.in{ opacity:1; transform:translateY(0); }

/* ===== Mobile nav ===== */
@media (max-width:820px){
  .nav-links{
    position:fixed; top:64px; left:16px; right:16px;
    flex-direction:column; align-items:stretch; gap:0;
    background:rgba(8,9,16,.96);
    backdrop-filter:blur(16px);
    border:1px solid var(--panel-border);
    border-radius:16px;
    padding:8px;
    transform:translateY(-12px) scale(.98);
    opacity:0; pointer-events:none;
    transition:opacity .25s ease, transform .25s ease;
  }
  .nav-links.open{ opacity:1; transform:translateY(0) scale(1); pointer-events:auto; }
  .nav-links a{ padding:14px 12px; border-radius:10px; }
  .nav-links a:hover{ background:rgba(255,255,255,.05); }
  .nav-links .nav-cta{ text-align:center; margin-top:4px; }
  .nav-toggle{
    display:flex; flex-direction:column; justify-content:center; gap:5px;
    width:34px; height:34px; background:none; border:none; cursor:pointer;
  }
  .nav-toggle span{
    width:100%; height:1.6px; background:var(--text); border-radius:2px;
    transition:transform .25s ease, opacity .25s ease;
  }
  .nav-toggle.open span:nth-child(1){ transform:translateY(6.6px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity:0; }
  .nav-toggle.open span:nth-child(3){ transform:translateY(-6.6px) rotate(-45deg); }
}

@media (max-width:640px){
  .hero{ padding-top:120px; }
  .hero-metrics{ flex-direction:column; }
  .metric{ border-right:none; border-bottom:1px solid var(--panel-border); }
  .metric:last-child{ border-bottom:none; }
  .strip-inner{ flex-direction:column; align-items:flex-start; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}