:root{
  --ink:#F1F3F5;
  --paper:#12141C;
  --paper-dim:#1A1D28;
  --accent:#4F5DFF;
  --accent-light:#7C86FF;
  --line:#262A36;
  --muted:#9AA0AE;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Space Grotesk', sans-serif;
  letter-spacing:-0.02em;
  line-height:1.08;
}
a{color:inherit;}
.mono{ font-family:'IBM Plex Mono', monospace; }
.wrap{ max-width:1080px; margin:0 auto; padding:0 24px; }
:focus-visible{ outline:2px solid var(--accent-light); outline-offset:3px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; }
}

/* ---------- header ---------- */
header{
  position:sticky; top:0; z-index:40;
  background:rgba(18,20,28,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; }
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand .word{ display:block; font-weight:600; font-size:26px; line-height:1; }
.brand .tag{ display:block; margin-top:5px; line-height:1; font-size:12px; letter-spacing:0.2em; color:var(--accent); }
.nav-links{ display:flex; gap:28px; align-items:center; }
.nav-links a{
  text-decoration:none; font-size:14px; color:var(--ink); opacity:0.75;
  transition:opacity .15s ease;
}
.nav-links a:hover{ opacity:1; }
.nav-links .nav-cta{
  display:inline-flex; align-items:center; gap:6px;
  background:var(--ink); color:var(--paper); opacity:1;
  padding:9px 16px; border-radius:100px;
  font-size:13px; font-weight:500; text-decoration:none;
  transition:background .15s ease;
}
.nav-links .nav-cta:hover{ background:var(--accent); color:#fff; opacity:1; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:22px; height:2px; background:var(--ink); margin:5px 0; }

@media (max-width:760px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start; gap:0;
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  .nav-links.open{ max-height:280px; }
  .nav-links a{ padding:14px 24px; width:100%; opacity:1; border-top:1px solid var(--line); }
  .nav-links .nav-cta{ width:auto; margin:14px 24px; padding:9px 16px; border-top:none; }
  .nav-toggle{ display:block; }
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:96px 24px 88px;
  overflow:hidden;
  text-align:center;
}
.pulse-field{
  position:absolute; top:50%; left:50%;
  width:640px; height:640px;
  transform:translate(-50%,-52%);
  pointer-events:none;
}
.pulse-field span{
  position:absolute; inset:0;
  border:1px solid var(--accent-light);
  border-radius:50%;
  opacity:0;
  animation:pulseRing 4.5s ease-out infinite;
}
.pulse-field span:nth-child(2){ animation-delay:1.5s; }
.pulse-field span:nth-child(3){ animation-delay:3s; }
@keyframes pulseRing{
  0%{ transform:scale(0.28); opacity:0.5; }
  70%{ opacity:0.08; }
  100%{ transform:scale(1); opacity:0; }
}
.status-badge{
  position:relative; z-index:1;
  display:inline-flex; align-items:center; gap:8px;
  background:var(--paper-dim); border:1px solid var(--line);
  padding:7px 14px 7px 10px; border-radius:100px;
  font-size:12px; margin-bottom:28px;
}
.status-dot{
  width:7px; height:7px; border-radius:50%; background:var(--accent-light);
  position:relative;
}
.status-dot::after{
  content:''; position:absolute; inset:-5px;
  border-radius:50%; border:1px solid var(--accent-light);
  animation:dotPing 2s ease-out infinite;
}
@keyframes dotPing{
  0%{ transform:scale(0.6); opacity:0.9; }
  100%{ transform:scale(2.2); opacity:0; }
}
.hero h1{
  position:relative; z-index:1;
  font-size:clamp(34px, 6vw, 58px);
  font-weight:600;
  max-width:820px;
  margin:0 auto 20px;
}
.hero h1 em{ font-style:normal; color:var(--accent-light); }
.hero p{
  position:relative; z-index:1;
  max-width:520px; margin:0 auto 34px;
  color:var(--muted); font-size:16px;
}
.hero-ctas{
  position:relative; z-index:1;
  display:flex; gap:14px; justify-content:center; flex-wrap:wrap;
}
.btn-primary, .btn-secondary{
  padding:13px 24px; border-radius:100px;
  font-size:14px; font-weight:500; text-decoration:none;
  display:inline-flex; align-items:center; gap:8px;
}
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ background:#3D4AE8; }
.btn-secondary{ background:transparent; color:var(--ink); border:1px solid var(--line); }
.btn-secondary:hover{ border-color:var(--ink); }

/* ---------- signal divider ---------- */
.signal-divider{
  display:flex; align-items:center; gap:10px;
  max-width:1080px; margin:0 auto; padding:0 24px;
  color:var(--line);
}
.signal-divider .line{ flex:1; height:1px; background:var(--line); }
.signal-divider .dot{ width:5px; height:5px; border-radius:50%; background:var(--accent); }

/* ---------- section shell ---------- */
section{ padding:80px 0; }
.eyebrow{
  font-size:11px; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--accent-light); margin-bottom:10px; display:block;
}
.section-head{ max-width:560px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(26px,3.6vw,34px); font-weight:600; margin-bottom:12px; }
.section-head p{ color:var(--muted); font-size:15px; }

/* ---------- services ---------- */
.services-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:16px;
  overflow:hidden;
}
.service{
  background:var(--paper); padding:32px; transition:background .15s ease;
}
.service:hover{ background:var(--paper-dim); }
.service-icon{ margin-bottom:20px; }
.service h3{ font-size:18px; font-weight:600; margin-bottom:8px; }
.service p{ font-size:14px; color:var(--muted); }
@media (max-width:640px){ .services-grid{ grid-template-columns:1fr; } }

/* ---------- process ---------- */
.process{
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  position:relative;
}
.process::before{
  content:''; position:absolute; top:15px; left:6%; right:6%;
  height:1px; background:var(--line);
}
.step{ position:relative; padding-right:16px; }
.step-num{
  width:30px; height:30px; border-radius:50%;
  background:var(--paper); border:1.5px solid var(--accent-light);
  color:var(--accent-light); font-family:'IBM Plex Mono',monospace; font-size:12px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; position:relative; z-index:1;
}
.step h3{ font-size:15px; font-weight:600; margin-bottom:6px; }
.step p{ font-size:13px; color:var(--muted); }
@media (max-width:760px){
  .process{ grid-template-columns:1fr; gap:28px; }
  .process::before{ display:none; }
}

/* ---------- about ---------- */
.about{ display:grid; grid-template-columns:1.1fr 1fr; gap:56px; align-items:center; }
.about-card{
  background:var(--paper-dim); color:var(--ink); border:1px solid var(--line);
  border-radius:20px;
  padding:36px; position:relative; overflow:hidden;
}
.about-card::before{
  content:''; position:absolute; width:220px; height:220px;
  border:1px solid rgba(124,134,255,0.35); border-radius:50%;
  top:-90px; right:-90px;
}
.about-card .role{ font-size:12px; color:var(--accent-light); margin-bottom:10px; }
.about-card .about-name{ font-family:'Space Grotesk',sans-serif; font-size:22px; font-weight:600; color:#fff; margin-bottom:14px; }
.about-card p{ font-size:14px; color:#C7CBD6; margin-bottom:8px; }
.stack-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
.stack-tags span{
  font-family:'IBM Plex Mono',monospace; font-size:11px;
  border:1px solid rgba(255,255,255,0.18); padding:5px 10px; border-radius:100px;
  color:#C7CBD6;
}
.about h2{ font-size:28px; margin-bottom:16px; }
.about > div > p{ color:var(--muted); font-size:15px; margin-bottom:14px; }
@media (max-width:760px){ .about{ grid-template-columns:1fr; } }

/* ---------- contact ---------- */
.contact{ text-align:center; }
.contact h2{ font-size:clamp(28px,4vw,40px); margin-bottom:14px; }
.contact p{ color:var(--muted); max-width:460px; margin:0 auto 30px; font-size:15px; }
.contact-links{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.contact-links a{
  text-decoration:none; font-size:14px;
  border:1px solid var(--line); padding:11px 20px; border-radius:100px;
}
.contact-links a:hover{ border-color:var(--accent-light); color:var(--accent-light); }

footer{
  border-top:1px solid var(--line);
  padding:28px 24px; text-align:center;
  color:var(--muted); font-size:12px;
}