/* ============================================================
   BRAYNIX CONSULTING — Design System
   Geist Sans / Geist Mono · Blue #2563EB · Green #10B981
   ============================================================ */
/* Google Fonts loaded via <link> in HTML for better performance */

:root{
  /* brand */
  --blue:#2563EB; --blue-600:#2563EB; --blue-700:#1D4ED8; --blue-500:#3B82F6;
  --blue-tint:#EFF4FF; --blue-glow:rgba(37,99,235,.45);
  --green:#10B981; --green-600:#059669; --green-tint:#E7F8F1;
  --ink:#0B1120; --ink-2:#0F172A; --ink-3:#131C30;

  /* neutrals */
  --white:#FFFFFF;
  --bg:#FFFFFF; --bg-alt:#F6F8FC; --bg-alt2:#EFF3F9;
  --line:#E4E9F2; --line-strong:#D4DBE8;
  --heading:#0B1120; --body:#475569; --muted:#64748B; --faint:#94A3B8;

  /* dark surface tokens */
  --d-text:#E8EEF9; --d-body:#9FB0CC; --d-muted:#7587A8;
  --d-line:rgba(148,176,230,.14); --d-line-2:rgba(148,176,230,.10);
  --glass:rgba(255,255,255,.045); --glass-2:rgba(255,255,255,.07);

  /* radius */
  --r-xs:7px; --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:28px; --r-2xl:36px;

  /* shadow */
  --sh-sm:0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.05);
  --sh:0 8px 24px -8px rgba(15,23,42,.12), 0 2px 8px rgba(15,23,42,.05);
  --sh-lg:0 24px 60px -18px rgba(15,23,42,.22), 0 6px 18px rgba(15,23,42,.07);
  --sh-blue:0 14px 40px -10px var(--blue-glow);

  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --font:'Geist',system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font); background:var(--bg); color:var(--body);
  font-size:17px; line-height:1.6; letter-spacing:-0.011em;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--blue);color:#fff}

/* ---------- layout ---------- */
.container{max-width:var(--container);margin:0 auto;padding:0 28px;width:100%}
.section{position:relative;padding:108px 0}
.section-sm{padding:76px 0}
.bg-alt{background:var(--bg-alt)}
.dark{background:var(--ink);color:var(--d-body)}
.dark h1,.dark h2,.dark h3,.dark h4{color:var(--d-text)}

/* ---------- type ---------- */
h1,h2,h3,h4{color:var(--heading);font-weight:700;line-height:1.06;letter-spacing:-0.03em}
.display{font-size:clamp(2.7rem,5.6vw,4.45rem);font-weight:800;line-height:1.02;letter-spacing:-0.038em}
h2.title{font-size:clamp(2rem,3.8vw,3.05rem);font-weight:700;letter-spacing:-0.034em}
h3{font-size:1.32rem;letter-spacing:-0.025em}
.lead{font-size:clamp(1.08rem,1.5vw,1.28rem);line-height:1.55;color:var(--body)}
.dark .lead{color:var(--d-body)}
.muted{color:var(--muted)}
.grad-text{background:linear-gradient(100deg,var(--blue-500),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}

/* eyebrow */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:.74rem;font-weight:500;letter-spacing:.18em;
  text-transform:uppercase;color:var(--blue);margin-bottom:20px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--blue),transparent)}
.dark .eyebrow{color:var(--blue-500)}
.eyebrow.center{justify-content:center}
.eyebrow.center::before{background:linear-gradient(90deg,transparent,var(--blue))}
.eyebrow.center::after{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--blue),transparent)}

.section-head{max-width:720px}
.section-head.center{margin:0 auto;text-align:center}
.section-head p.lead{margin-top:18px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font);font-size:1rem;font-weight:600;letter-spacing:-.01em;
  padding:14px 24px;border-radius:var(--r);cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .3s var(--ease),background .25s,border-color .25s,color .2s;
  white-space:nowrap;position:relative;touch-action:manipulation;-webkit-tap-highlight-color:transparent;
}
.btn svg{width:18px;height:18px;transition:transform .3s var(--ease)}
.btn-primary{background:linear-gradient(180deg,#3B82F6,#2563EB);color:#fff;box-shadow:var(--sh-blue),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 48px -12px var(--blue-glow),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-dark{background:var(--ink-2);color:#fff;box-shadow:var(--sh)}
.btn-dark:hover{transform:translateY(-2px);background:#1b2740}
.btn-ghost{background:var(--white);color:var(--heading);border-color:var(--line-strong);box-shadow:var(--sh-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--blue);color:var(--blue);box-shadow:var(--sh)}
.btn-glass{background:var(--glass-2);color:#fff;border-color:var(--d-line);backdrop-filter:blur(10px)}
.btn-glass:hover{transform:translateY(-2px);background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25)}
.btn-lg{padding:17px 30px;font-size:1.06rem;border-radius:var(--r-lg)}
.btn-block{width:100%}

/* pulsing CTA */
.pulse{position:relative}
.pulse::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 var(--blue-glow);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,99,235,.5)}70%{box-shadow:0 0 0 16px rgba(37,99,235,0)}100%{box-shadow:0 0 0 0 rgba(37,99,235,0)}}

/* ---------- cards ---------- */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-sm);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:#C9D6EC}
.glass{
  background:var(--glass);border:1px solid var(--d-line);border-radius:var(--r-lg);
  backdrop-filter:blur(14px);box-shadow:0 18px 50px -22px rgba(0,0,0,.6);
}

/* chips / pills */
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;font-size:.82rem;font-weight:500;font-family:var(--mono);letter-spacing:.02em}
.pill-line{border:1px solid var(--line);background:var(--white);color:var(--muted)}
.dark .pill-line{border-color:var(--d-line);background:var(--glass);color:var(--d-body)}
.tag-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(16,185,129,.15)}

/* icon tile */
.itile{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;flex:none;
  background:linear-gradient(160deg,var(--blue-tint),#fff);border:1px solid #DCE6FB;color:var(--blue);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.itile svg{width:26px;height:26px}
.itile.green{background:linear-gradient(160deg,var(--green-tint),#fff);border-color:#C6EEDD;color:var(--green-600)}
.card:hover .itile{transform:scale(1.06) rotate(-3deg);box-shadow:var(--sh)}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:80;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid transparent;transition:box-shadow .4s var(--ease),border-color .4s,background .4s}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:80px;gap:24px;transition:height .4s var(--ease)}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:1.16rem;color:var(--heading);letter-spacing:-.02em}
.brand img{height:33px;width:auto;object-fit:contain;transition:transform .45s var(--ease),filter .45s var(--ease)}
.footer .brand img{height:38px}
.brand b{font-weight:800}
.brand:hover img{transform:scale(1.06) rotate(-2deg);filter:drop-shadow(0 6px 14px rgba(37,99,235,.28))}
/* nav links + gliding magic-line indicator */
.nav-links{display:flex;align-items:center;gap:2px;position:relative}
.nav-links a{display:inline-flex;align-items:center;gap:8px;font-size:1.02rem;font-weight:600;color:var(--heading);padding:9px 16px;position:relative;z-index:2;letter-spacing:-.01em;border-radius:11px;transition:color .25s var(--ease)}
.nav-links a:hover{color:var(--blue)}
.nav-links a.active{color:var(--blue)}
/* soft highlight pill that glides behind the hovered link */
.nav-hl{position:absolute;z-index:1;top:50%;left:0;height:38px;width:0;transform:translateY(-50%);border-radius:11px;background:linear-gradient(180deg,rgba(37,99,235,.10),rgba(16,185,129,.08));border:1px solid rgba(37,99,235,.14);opacity:0;pointer-events:none;transition:transform .42s var(--ease),width .42s var(--ease),opacity .3s var(--ease)}
.nav-links:hover .nav-hl{opacity:1}
/* gradient underline that springs between links, resting under active */
.nav-ink{position:absolute;z-index:2;bottom:-2px;left:0;height:3px;width:0;border-radius:3px;background:linear-gradient(90deg,var(--blue),var(--green));box-shadow:0 2px 10px rgba(37,99,235,.45);pointer-events:none;transition:transform .42s var(--ease),width .42s var(--ease),opacity .3s}
.nav-ink::after{content:"";position:absolute;right:-2px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
/* CTA — sheen sweep fires on hover */
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn-glass{position:relative;overflow:hidden;background:linear-gradient(135deg,#3B82F6,#2563EB);color:#fff;border-color:transparent;box-shadow:var(--sh-blue);padding-right:22px}
.nav-cta .btn-glass::after{content:"";position:absolute;top:0;left:-130%;width:55%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-20deg)}
.nav-cta .btn-glass:hover{background:linear-gradient(135deg,#3B82F6,#1D4ED8);transform:translateY(-2px)}
.nav-cta .btn-glass:hover::after{animation:navSheen .9s var(--ease)}
@keyframes navSheen{from{left:-130%}to{left:170%}}
/* condense header on scroll */
.nav.scrolled{background:rgba(255,255,255,.9);border-bottom-color:var(--line);box-shadow:0 4px 24px -12px rgba(15,23,42,.18)}
.nav.scrolled .nav-inner{height:66px}
/* nav slides down from top on page load */
.nav{animation:navEnter .65s var(--ease-out) both}
@keyframes navEnter{from{transform:translateY(-100%);opacity:0}to{transform:none;opacity:1}}
@media(prefers-reduced-motion:reduce){.nav-hl,.nav-ink,.nav-cta .btn-glass::after,.brand img{transition:none!important;animation:none!important}}
/* hamburger — three lines → X */
.nav-burger{display:none;width:44px;height:44px;border-radius:11px;border:1px solid var(--line-strong);background:var(--bg-alt);cursor:pointer;align-items:center;justify-content:center;flex-shrink:0;transition:background .25s,border-color .25s}
.nav-burger:hover{background:var(--bg-alt2);border-color:var(--blue)}
.nav-burger span{display:block;width:18px;height:2px;background:var(--heading);position:relative;transition:background .3s}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--heading);transition:transform .32s var(--ease),top .28s var(--ease)}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-burger.open span{background:transparent}
.nav-burger.open span::before{top:0;transform:rotate(45deg)}
.nav-burger.open span::after{top:0;transform:rotate(-45deg)}

/* scroll progress */
.scrollbar{position:fixed;top:0;left:0;height:3px;width:0;z-index:90;background:linear-gradient(90deg,var(--blue),var(--green));box-shadow:0 0 12px var(--blue-glow);transition:width .1s linear}

/* mobile menu — slides in from right with staggered links */
.mmenu{
  position:fixed;inset:0;z-index:79;
  background:linear-gradient(160deg,#0d1728 0%,var(--ink-2) 100%);
  padding:90px 28px 44px;
  display:flex;flex-direction:column;gap:0;
  transform:translateX(100%);opacity:0;pointer-events:none;
  transition:transform .42s var(--ease),opacity .3s var(--ease);
  overflow:hidden;
}
.mmenu::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(500px 500px at 95% -5%,rgba(37,99,235,.18),transparent 60%),
             radial-gradient(380px 380px at -10% 105%,rgba(16,185,129,.1),transparent 60%);
}
.mmenu::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--blue),var(--green))}
.mmenu.open{transform:none;opacity:1;pointer-events:auto}
.mmenu a:not(.btn){
  font-size:1.38rem;font-weight:700;color:rgba(255,255,255,.52);
  padding:16px 16px 16px 22px;
  border-bottom:1px solid var(--d-line);border-radius:12px;
  display:flex;align-items:center;justify-content:space-between;
  position:relative;z-index:1;
  -webkit-tap-highlight-color:transparent;
  opacity:0;transform:translateX(28px);
  transition:color .22s var(--ease),background .22s var(--ease),opacity .48s var(--ease-out),transform .48s var(--ease-out);
}
/* gradient left-border — grows in when link is active */
.mmenu a:not(.btn)::before{
  content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--blue-500),var(--green));
  opacity:0;transform:scaleY(.35);
  transition:opacity .3s var(--ease),transform .4s var(--ease-out);
}
/* arrow that slides right on hover */
.mmenu a:not(.btn)::after{
  content:"→";font-family:var(--mono);font-size:1rem;flex:none;
  color:rgba(255,255,255,.18);
  transition:color .22s,transform .3s var(--ease);
}
.mmenu a:not(.btn):hover{color:rgba(255,255,255,.88);background:rgba(255,255,255,.04)}
.mmenu a:not(.btn):hover::after{color:rgba(255,255,255,.5);transform:translateX(5px)}
.mmenu a:not(.btn):active{background:rgba(255,255,255,.08)}
/* active page link */
.mmenu a.active{color:#fff!important;background:rgba(37,99,235,.13)}
.mmenu a.active::before{opacity:1;transform:none}
.mmenu a.active::after{color:rgba(255,255,255,.4)!important;transform:none!important}
/* stagger delays — only fire on open, so close is instant */
.mmenu.open a:nth-child(1){opacity:1;transform:none;transition-delay:.05s}
.mmenu.open a:nth-child(2){opacity:1;transform:none;transition-delay:.11s}
.mmenu.open a:nth-child(3){opacity:1;transform:none;transition-delay:.17s}
.mmenu.open a:nth-child(4){opacity:1;transform:none;transition-delay:.23s}
.mmenu.open a:nth-child(5){opacity:1;transform:none;transition-delay:.29s}
.mmenu .btn{margin-top:28px;opacity:0;transform:translateY(14px);width:100%;transition:opacity .48s var(--ease-out),transform .48s var(--ease-out)}
.mmenu.open .btn{opacity:1;transform:none;transition-delay:.37s}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--ink);color:var(--d-body);padding:82px 0 34px;position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,var(--blue) 30%,var(--green) 70%,transparent 100%);background-size:200% 100%;animation:ftLine 7s linear infinite;opacity:.75}
@keyframes ftLine{from{background-position:200% 0}to{background-position:-200% 0}}
.footer::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;background:radial-gradient(620px 320px at 10% -25%,rgba(37,99,235,.16),transparent 60%),radial-gradient(520px 300px at 92% -10%,rgba(16,185,129,.10),transparent 60%)}
.footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:48px}
.footer h4{color:#fff;font-size:.78rem;font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;margin-bottom:20px;font-weight:500}
.footer-links{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.footer-links a{display:inline-flex;align-items:center;gap:8px;color:var(--d-body);font-size:.96rem;transition:color .25s,transform .3s var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(5px)}
.footer-links a svg{color:var(--blue-500);transition:color .25s}
.footer-links a:hover svg{color:#34d399}
.footer .brand{margin-bottom:18px}
.footer-about{max-width:300px;font-size:.96rem;line-height:1.6}
.footer-tag{font-family:var(--mono);font-size:.8rem;color:var(--d-muted);margin-top:18px;letter-spacing:.02em}
.footer-bottom{margin-top:56px;padding-top:26px;border-top:1px solid var(--d-line);display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;font-size:.88rem;color:var(--d-muted)}
.fb-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.to-top{width:40px;height:40px;border-radius:11px;border:1px solid var(--d-line);background:var(--glass);color:#c6d2e8;display:grid;place-items:center;cursor:pointer;transition:background .25s,border-color .25s,color .25s,transform .3s var(--ease)}
.to-top svg{width:16px;height:16px;transform:rotate(-90deg)}
.to-top:hover{background:var(--blue);border-color:var(--blue);color:#fff;transform:translateY(-3px)}
.social{display:flex;gap:10px}
.social a{width:42px;height:42px;border-radius:12px;border:1px solid var(--d-line);display:grid;place-items:center;background:var(--glass);color:#c6d2e8;transition:background .25s,border-color .25s,color .25s,transform .3s var(--ease)}
.social a:hover{transform:translateY(-4px) scale(1.04)}
.social a:nth-child(1):hover{background:var(--blue);border-color:var(--blue);color:#fff}
.social a:nth-child(2):hover{background:#1FA855;border-color:#1FA855;color:#fff}
.social a:nth-child(3):hover{background:#0A66C2;border-color:#0A66C2;color:#fff}
.social a:nth-child(4):hover{background:#fff;border-color:#fff;color:#0B1120}
.social svg{width:18px;height:18px}

/* ============================================================
   REVEAL / MOTION
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal.r-left{transform:translateX(-34px)}
.reveal.r-right{transform:translateX(34px)}
.reveal.r-scale{transform:scale(.94)}
.reveal.r-left.in,.reveal.r-right.in,.reveal.r-scale.in{transform:none}
[data-stagger]>*{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
[data-stagger].in>*{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal,[data-stagger]>*{opacity:1!important;transform:none!important}
}

/* ---------- grids ---------- */
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .g-3,.g-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .nav-links,.nav-cta .btn{display:none}
  .nav-burger{display:flex}
  .section{padding:78px 0}
  /* process sticky left column: disable sticky on tablet/mobile */
  #process .hero-grid > div:first-child{position:static!important;top:auto!important}
  #process .hero-grid{gap:40px}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 16px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .nav-inner{height:64px}
  /* only CTA blocks get full-width buttons, not every .btn */
  .hero-cta{flex-direction:column;gap:10px}
  .hero-cta .btn{width:100%;justify-content:center}
  .cta-btns{flex-direction:column;gap:10px;align-items:center}
  .cta-btns .btn{width:100%;max-width:380px}
  .btn-lg{padding:15px 22px;font-size:1rem}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .fb-right{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:400px){
  .container{padding:0 14px}
  .section{padding:50px 0}
  .display{font-size:2.3rem}
  h2.title{font-size:1.85rem}
  .eyebrow{font-size:.68rem}
}