houstonlabs.us/styles.css

:root{
  --bg:#070810;
  --bg-2:#0a0c16;
  --panel:rgba(255,255,255,.025);
  --line:rgba(255,255,255,.09);
  --text:#e9ecf5;
  --muted:#8b91a7;
  --cyan:#38e0ff;
  --violet:#7b6cff;
  --max:1120px;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:400 17px/1.65 "Inter",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}

/* ---- ambient background: grid + drifting light fields ---- */
.field{
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(60vw 60vw at 78% -10%, rgba(123,108,255,.20), transparent 60%),
    radial-gradient(50vw 50vw at 8% 8%, rgba(56,224,255,.14), transparent 60%),
    radial-gradient(40vw 40vw at 50% 115%, rgba(56,224,255,.10), transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
  animation:drift 22s ease-in-out infinite alternate;
}
.field::before{
  content:"";
  position:absolute;
  inset:-2px;
  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:64px 64px;
  -webkit-mask-image:radial-gradient(120vw 100vh at 50% 0%,#000 30%,transparent 80%);
  mask-image:radial-gradient(120vw 100vh at 50% 0%,#000 30%,transparent 80%);
}
@keyframes drift{
  from{transform:translate3d(-1.5%,-1%,0) scale(1.02)}
  to{transform:translate3d(1.5%,1%,0) scale(1.06)}
}

/* ---- layout primitives ---- */
.nav,main,.foot{max-width:var(--max);margin-inline:auto;padding-inline:28px}
section{padding-block:clamp(72px,11vw,140px)}

/* ---- nav ---- */
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding-block:26px;
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{display:block}
.brand-name{
  font-family:"Space Grotesk",sans-serif;
  font-weight:600;letter-spacing:.18em;font-size:14px;
}
.nav-links{display:flex;align-items:center;gap:30px;font-size:14.5px;color:var(--muted)}
.nav-links a{transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  color:var(--text);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;
}
.nav-cta:hover{border-color:rgba(56,224,255,.5)}

/* ---- hero ---- */
.hero{padding-top:clamp(56px,9vw,110px);max-width:880px}
.eyebrow{
  font-family:var(--mono);
  text-transform:uppercase;letter-spacing:.28em;font-size:12.5px;
  color:var(--cyan);margin:0 0 26px;
}
h1{
  font-family:"Space Grotesk",sans-serif;
  font-weight:600;
  font-size:clamp(2.6rem,7vw,5rem);
  line-height:1.02;letter-spacing:-.025em;
  margin:0 0 28px;
}
.grad{
  background:linear-gradient(92deg,var(--cyan),var(--violet) 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{font-size:clamp(1.05rem,1.6vw,1.32rem);color:var(--muted);max-width:60ch;margin:0}

.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:42px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:500;font-size:15px;border-radius:999px;
  padding:13px 24px;transition:transform .15s,box-shadow .25s,border-color .2s,background .2s;
}
.btn-primary{
  color:#05060c;
  background:linear-gradient(92deg,var(--cyan),var(--violet));
  box-shadow:0 8px 30px -8px rgba(56,224,255,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(123,108,255,.6)}
.btn-ghost{border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(56,224,255,.5);transform:translateY(-2px)}

/* ---- thesis ---- */
.thesis{padding-block:clamp(40px,7vw,90px)}
.thesis p{
  font-family:"Space Grotesk",sans-serif;
  font-weight:400;
  font-size:clamp(1.4rem,3.2vw,2.3rem);
  line-height:1.34;letter-spacing:-.015em;
  max-width:24ch;
  color:var(--muted);
}
.thesis-lead{color:var(--text)}

/* ---- section heads ---- */
.section-head{margin-bottom:46px}
.label{
  font-family:var(--mono);
  text-transform:uppercase;letter-spacing:.22em;font-size:12px;color:var(--cyan);
}
.section-head h2{
  font-family:"Space Grotesk",sans-serif;
  font-weight:600;font-size:clamp(1.7rem,3.6vw,2.6rem);
  letter-spacing:-.02em;margin:14px 0 0;
}

/* ---- focus grid ---- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{
  position:relative;
  border:1px solid var(--line);border-radius:16px;
  background:var(--panel);
  padding:34px 32px 30px;
  overflow:hidden;
  transition:border-color .25s,transform .25s,background .25s;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:radial-gradient(120% 90% at 100% 0%,rgba(56,224,255,.10),transparent 55%);
  opacity:0;transition:opacity .3s;
}
.card:hover{transform:translateY(-3px);border-color:rgba(56,224,255,.35);background:rgba(255,255,255,.04)}
.card:hover::after{opacity:1}
.idx{
  font-family:var(--mono);font-size:13px;color:var(--violet);
  letter-spacing:.1em;
}
.card h3{
  font-family:"Space Grotesk",sans-serif;font-weight:600;
  font-size:1.32rem;letter-spacing:-.01em;margin:16px 0 10px;
}
.card p{margin:0;color:var(--muted);font-size:15.5px}

/* ---- contact ---- */
.contact-lede{max-width:52ch;color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.25rem);margin:0 0 34px}
.btn-lg{padding:16px 30px;font-size:16px}

/* ---- footer ---- */
.foot{
  border-top:1px solid var(--line);
  padding-block:60px 70px;margin-top:40px;
}
.foot-top{margin-bottom:48px}
.foot-meta{
  display:flex;flex-direction:column;gap:8px;
  font-size:14px;color:var(--muted);
}
.foot-meta .brand-name{color:var(--text);margin-bottom:6px}

/* ---- responsive ---- */
@media (max-width:720px){
  .grid{grid-template-columns:1fr}
  .nav-links a:not(.nav-cta){display:none}
}

/* ---- motion preferences ---- */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;transition:none!important}
}