/* =========================================================
   Neurolips Tech LLC — futuristic dark UI
   Palette: #020617 #0F172A · cyan #22D3EE · violet #8B5CF6
            soft white #F8FAFC · muted #94A3B8
   Type: Sora (display) · Inter (body) · Space Mono (labels)
   ========================================================= */

:root{
  --d1:#020617;
  --d2:#0F172A;
  --cyan:#22D3EE;
  --violet:#8B5CF6;
  --white:#F8FAFC;
  --muted:#9FB0C4;          /* lifted slightly for readability */

  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.07);
  --stroke:rgba(255,255,255,.09);
  --stroke-2:rgba(255,255,255,.14);

  --grad:linear-gradient(110deg,var(--cyan),var(--violet));
  --grad-soft:linear-gradient(135deg,rgba(34,211,238,.16),rgba(139,92,246,.16));

  --glow-cyan:0 0 0 1px rgba(34,211,238,.35),0 14px 40px -12px rgba(34,211,238,.45);
  --shadow:0 30px 70px -30px rgba(0,0,0,.8);

  --radius:18px;
  --radius-lg:26px;
  --container:1240px;
  --header-h:78px;

  --font-display:"Sora",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-mono:"Space Mono",ui-monospace,Menlo,Consolas,monospace;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 14px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-body);
  color:#d3dde9;
  background:var(--d1);
  line-height:1.7;
  font-size:clamp(1.0625rem,.99rem + .45vw,1.22rem);   /* ~17px → ~19.5px */
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{font-family:var(--font-display);line-height:1.1;letter-spacing:-.02em;margin:0;color:var(--white)}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(22px,5vw,48px)}
.section{padding-block:clamp(80px,10vw,148px);position:relative;z-index:1}

/* ---------- Ambient background aura ---------- */
.bg-aura{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.aura{position:absolute;border-radius:50%;filter:blur(120px);opacity:.5}
.aura-cyan{width:560px;height:560px;background:radial-gradient(circle,#0e7490,transparent 70%);top:-180px;right:-120px;animation:drift 22s ease-in-out infinite}
.aura-violet{width:620px;height:620px;background:radial-gradient(circle,#5b21b6,transparent 70%);bottom:-220px;left:-160px;animation:drift 26s ease-in-out infinite reverse}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-36px)}}

/* ---------- Shared bits ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--cyan);margin:0 0 20px;display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--grad)}
.eyebrow-center{justify-content:center}
.eyebrow-center::before{display:none}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(34,211,238,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,211,238,.55)}70%{box-shadow:0 0 0 9px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}

.section-head{max-width:720px;margin-bottom:clamp(44px,5vw,64px)}
.section-head--center{margin-inline:auto;text-align:center}
.section-title{font-size:clamp(2rem,1.35rem + 2.7vw,3.05rem);font-weight:700;line-height:1.08}
.section-lead{color:var(--muted);margin:18px 0 0;font-size:clamp(1.1rem,1.02rem + .32vw,1.26rem)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;font-family:var(--font-display);font-weight:600;font-size:1.05rem;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .28s ease,background .25s ease,border-color .2s ease,color .2s ease;
  will-change:transform;
}
.btn:active{transform:translateY(1px)}
.btn-glow{background:var(--grad);color:#07121f;box-shadow:var(--glow-cyan)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(139,92,246,.5),0 20px 50px -14px rgba(139,92,246,.7)}
.btn-outline{background:rgba(255,255,255,.02);color:var(--white);border-color:var(--stroke-2)}
.btn-outline:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:0 0 22px -6px rgba(34,211,238,.6)}
.btn-block{width:100%}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:60;height:var(--header-h);display:flex;align-items:center;
  background:rgba(2,6,23,.6);backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s ease,background .3s ease;
}
.site-header.scrolled{border-bottom-color:var(--stroke);background:rgba(2,6,23,.82)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}

.brand{display:inline-flex;align-items:center;gap:12px}
.brand-logo{width:42px;height:42px;border-radius:12px}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.24rem;letter-spacing:-.02em;color:var(--white);display:inline-flex;align-items:center;gap:8px}
.brand-chip{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);
  padding:3px 7px;border:1px solid var(--stroke-2);border-radius:6px;background:var(--glass)}

.nav{display:flex;align-items:center;gap:32px}
.nav a{font-weight:500;font-size:1.02rem;color:#bcc8d8;position:relative;transition:color .2s ease}
.nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--grad);border-radius:2px;transition:width .25s ease}
.nav a:not(.nav-cta):hover{color:var(--white)}
.nav a:not(.nav-cta):hover::after{width:100%}
.nav-cta{padding:10px 20px;border-radius:999px;background:var(--grad);color:#07121f;font-family:var(--font-display);font-weight:600;font-size:.96rem;box-shadow:var(--glow-cyan);transition:transform .2s ease,box-shadow .25s ease}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(139,92,246,.5),0 14px 34px -12px rgba(139,92,246,.7)}

.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--stroke-2);border-radius:12px;background:var(--glass);cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{width:21px;height:2px;background:var(--white);border-radius:2px;transition:transform .3s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================
   Hero (split)
   ========================================================= */
.hero{padding-block:clamp(60px,8vw,104px) clamp(76px,9vw,128px)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(40px,5vw,80px);align-items:center}
.hero-title{font-size:clamp(2.4rem,1.25rem + 4.9vw,4.4rem);font-weight:800;color:var(--white);margin:0 0 24px;letter-spacing:-.03em;line-height:1.03;max-width:15ch}
.hero-sub{font-size:clamp(1.14rem,1.05rem + .55vw,1.38rem);color:var(--muted);max-width:52ch;margin:0 0 34px;line-height:1.62}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.hero-tags li{font-family:var(--font-mono);font-size:.84rem;color:#a6b6ca;padding:8px 15px;border:1px solid var(--stroke);border-radius:999px;background:var(--glass)}

/* Neural panel + floating cards */
.hero-visual{position:relative}
.neural-panel{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,rgba(34,211,238,.06),rgba(139,92,246,.06)),var(--d2);
  border:1px solid var(--stroke);box-shadow:var(--shadow);
  aspect-ratio:1/.92;
}
.neural-panel::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 0 60px -20px rgba(34,211,238,.4)}
#neural{position:absolute;inset:0;width:100%;height:100%;display:block}
.panel-label{position:absolute;right:16px;top:14px;z-index:2;display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.76rem;color:#aebdce;
  padding:6px 12px;border:1px solid var(--stroke-2);border-radius:999px;background:rgba(2,6,23,.55);backdrop-filter:blur(6px)}

.float-card{position:absolute;z-index:3;display:flex;align-items:center;gap:12px;
  padding:14px 17px;border-radius:15px;background:rgba(15,23,42,.72);border:1px solid var(--stroke-2);
  backdrop-filter:blur(10px);box-shadow:0 18px 40px -18px rgba(0,0,0,.8);animation:bob 6s ease-in-out infinite}
.float-card strong{font-family:var(--font-display);font-weight:700;color:var(--white);display:block;font-size:1.1rem;line-height:1.1}
.float-card small{color:var(--muted);font-size:.82rem}
.fc-ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--grad-soft);color:var(--cyan)}
.fc-ic svg{width:20px;height:20px}
.fc-1{top:8%;left:-26px;animation-delay:-1s}
.fc-2{bottom:14%;right:-22px;animation-delay:-3s}
.fc-2 .fc-ic{color:var(--violet)}
.fc-3{bottom:-18px;left:14%;animation-delay:-5s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* =========================================================
   Vision
   ========================================================= */
.vision-inner{max-width:920px;margin-inline:auto;text-align:center}
.vision-text{font-family:var(--font-display);font-weight:600;font-size:clamp(1.6rem,1.1rem + 2.6vw,2.85rem);
  line-height:1.32;letter-spacing:-.02em;color:var(--white);margin:0 auto}
.vision-text em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.vision-line{display:block;width:130px;height:3px;margin:34px auto 0;border-radius:3px;background:var(--grad);box-shadow:0 0 22px -2px rgba(34,211,238,.7)}

/* =========================================================
   Services — glass cards
   ========================================================= */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.glass-card{
  position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius);
  padding:30px 26px 28px;transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .28s ease;
}
.glass-card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s ease}
.glass-card:hover{transform:translateY(-5px);background:var(--glass-2);box-shadow:0 24px 50px -24px rgba(34,211,238,.4)}
.glass-card:hover::before{opacity:.9}
.card-ic{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;
  color:var(--cyan);background:var(--grad-soft);border:1px solid var(--stroke);transition:transform .22s ease,color .22s ease,box-shadow .25s ease}
.glass-card:hover .card-ic{transform:translateY(-2px);color:#fff;box-shadow:0 0 26px -6px rgba(34,211,238,.7)}
.card-ic svg{width:27px;height:27px}
.glass-card h3{font-size:1.2rem;font-weight:600;margin:0 0 9px;color:var(--white);line-height:1.25}
.glass-card p{margin:0;color:var(--muted);font-size:1.02rem;line-height:1.6}

/* =========================================================
   Why Us — sticky aside + neural spine
   ========================================================= */
.why-inner{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(40px,5vw,84px);align-items:start}
.why-aside{position:sticky;top:calc(var(--header-h) + 30px)}
.why-title{font-size:clamp(1.85rem,1.3rem + 2.5vw,2.75rem);font-weight:700;margin:0 0 20px;max-width:16ch;color:var(--white);line-height:1.12}
.why-lead{color:var(--muted);margin:0 0 30px;font-size:1.12rem;max-width:52ch;line-height:1.72}

.why-spine{position:relative;display:flex;flex-direction:column;gap:16px;padding-left:36px}
.why-spine::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,transparent,rgba(34,211,238,.6),rgba(139,92,246,.6),transparent)}
.spine-item{position:relative}
.spine-node{position:absolute;left:-31px;top:26px;width:14px;height:14px;border-radius:50%;
  background:var(--d2);border:2px solid var(--cyan);box-shadow:0 0 14px -1px rgba(34,211,238,.8);transition:transform .2s ease,border-color .2s ease}
.spine-item:hover .spine-node{transform:scale(1.25);border-color:var(--violet);box-shadow:0 0 16px -1px rgba(139,92,246,.9)}
.spine-card{background:var(--glass);border:1px solid var(--stroke);border-radius:14px;padding:22px 24px;transition:transform .2s ease,border-color .2s ease,background .2s ease}
.spine-item:hover .spine-card{transform:translateX(6px);border-color:var(--stroke-2);background:var(--glass-2)}
.spine-card h3{font-size:1.18rem;font-weight:600;color:var(--white);margin:0 0 5px;line-height:1.25}
.spine-card p{margin:0;color:var(--muted);font-size:1.02rem;line-height:1.55}

/* =========================================================
   Process — connected steps
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{content:"";position:absolute;top:37px;left:12%;right:12%;height:2px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.5),rgba(139,92,246,.5),transparent);z-index:0}
.step{position:relative;z-index:1;text-align:center;padding:0 6px}
.step-no{font-family:var(--font-mono);font-weight:700;font-size:.92rem;color:var(--cyan);
  display:inline-grid;place-items:center;width:64px;height:64px;border-radius:50%;margin:0 auto 20px;
  background:var(--d2);border:1px solid var(--stroke-2);box-shadow:0 0 0 6px var(--d1),0 0 26px -8px rgba(34,211,238,.6)}
.step-ic{width:32px;height:32px;margin:0 auto 14px;color:var(--violet)}
.step-ic svg{width:32px;height:32px}
.step h3{font-size:1.24rem;font-weight:600;color:var(--white);margin:0 0 9px}
.step p{margin:0 auto;color:var(--muted);font-size:1.02rem;max-width:26ch;line-height:1.6}

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(26px,4vw,52px);align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.info-row{display:flex;align-items:flex-start;gap:17px;background:var(--glass);border:1px solid var(--stroke);
  border-radius:14px;padding:20px 22px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a.info-row:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 0 22px -8px rgba(34,211,238,.6)}
.info-ic{flex:none;width:46px;height:46px;border-radius:11px;display:grid;place-items:center;color:var(--cyan);background:var(--grad-soft);border:1px solid var(--stroke)}
.info-ic svg{width:22px;height:22px}
.info-text{font-size:1.06rem;color:#d3dde9;line-height:1.5}
.info-text strong{display:block;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:4px;font-weight:700}
.info-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}

.form-card{background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-lg);
  padding:clamp(26px,3vw,38px);box-shadow:var(--shadow);position:relative;overflow:hidden}
.form-card::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:var(--grad);opacity:.7}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-display);font-weight:600;font-size:.92rem;color:#cdd7e4;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font-body);font-size:1.02rem;color:var(--white);
  padding:13px 16px;border:1px solid var(--stroke-2);border-radius:12px;background:rgba(2,6,23,.5);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:#64748b}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);background:rgba(2,6,23,.75);box-shadow:0 0 0 4px rgba(34,211,238,.16)}
.field select{appearance:none;color:var(--white);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:42px}
.field select option{background:var(--d2);color:var(--white)}
.form-note{margin:14px 0 0;font-size:.96rem;min-height:1.2em;color:var(--cyan);font-weight:500}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{background:var(--d2);border-top:1px solid var(--stroke);padding-block:44px;position:relative;z-index:1}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-nav{display:flex;gap:26px;flex-wrap:wrap}
.footer-nav a{color:#a6b6ca;font-size:1rem;transition:color .2s ease}
.footer-nav a:hover{color:var(--white)}
.footer-copy{color:#6b7a90;font-size:.94rem;margin:0;width:100%;text-align:center;border-top:1px solid var(--stroke);padding-top:24px;margin-top:8px}

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
.glass-card.reveal:nth-child(2),.step.reveal:nth-child(2){transition-delay:.06s}
.glass-card.reveal:nth-child(3),.step.reveal:nth-child(3){transition-delay:.12s}
.glass-card.reveal:nth-child(4),.step.reveal:nth-child(4){transition-delay:.18s}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px}
  .steps::before{display:none}
}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:clamp(52px,8vw,68px)}
  .hero-title{max-width:20ch}
  .hero-visual{max-width:480px;margin-inline:auto;width:100%}
  .why-inner{grid-template-columns:1fr}
  .why-aside{position:static}
  .contact-grid{grid-template-columns:1fr}
}

@media (max-width:720px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(2,6,23,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--stroke);
    padding:16px clamp(22px,5vw,48px) 24px;
    transform:translateY(-130%);opacity:0;visibility:hidden;
    transition:transform .32s ease,opacity .25s ease,visibility .32s;box-shadow:var(--shadow);
  }
  .nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav a{padding:15px 4px;font-size:1.08rem;border-bottom:1px solid var(--stroke)}
  .nav a:not(.nav-cta)::after{display:none}
  .nav a:last-child{border-bottom:none}
  .nav-cta{text-align:center;margin-top:10px;padding:14px}
}

@media (max-width:560px){
  .card-grid,.steps{grid-template-columns:1fr}
  .hero-actions,.info-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn,.info-actions .btn{width:100%}
  .float-card{display:none}
  .footer-inner{justify-content:center;text-align:center;flex-direction:column}
}

/* =========================================================
   Accessibility
   ========================================================= */
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}