:root{
  --bg:#0b1020; --bg2:#0e1530; --panel:rgba(255,255,255,.04);
  --panel-brd:rgba(255,255,255,.10); --txt:#eaf0ff; --muted:#9aa6c7;
  --brand:#3b82f6; --brand2:#38bdf8; --accent:#2563eb;
  --grad:linear-gradient(120deg,#38bdf8,#3b82f6 55%,#2563eb);
  --radius:18px; --shadow:0 20px 60px rgba(0,0,0,.45);
}
[data-theme="light"]{
  --bg:#f4f6fc; --bg2:#eaeefb; --panel:rgba(15,25,60,.04);
  --panel-brd:rgba(15,25,60,.12); --txt:#0d1530; --muted:#566089;
  --shadow:0 18px 50px rgba(40,60,120,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--txt);
  line-height:1.6;overflow-x:hidden;transition:background .4s,color .4s;
}
h1,h2,h3,.brand-text{font-family:Sora,sans-serif;line-height:1.1}
a{color:inherit;text-decoration:none}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Background FX */
.bg-grid{position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(59,130,246,.18),transparent 60%),
    radial-gradient(900px 500px at 0% 30%,rgba(56,189,248,.14),transparent 60%),
    linear-gradient(180deg,var(--bg),var(--bg2));
}
.bg-glow{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--panel-brd) 1px,transparent 1px),
    linear-gradient(90deg,var(--panel-brd) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(circle at 50% 0%,#000,transparent 75%);
  opacity:.5;
}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;padding:16px 6vw;transition:.35s}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 80%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--panel-brd);padding:10px 6vw}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.logo-img{height:38px;width:auto;display:block;transition:.35s}
/* logo artwork is black → invert to white on dark theme */
[data-theme="dark"] .logo-img{filter:invert(1) brightness(1.6)}
.brand-tag{font-family:Inter;font-weight:500;font-size:11px;color:var(--muted);
  letter-spacing:1px;text-transform:uppercase;padding-left:12px;border-left:1px solid var(--panel-brd)}
.nav.scrolled .logo-img{height:32px}
.footer .logo-img{height:34px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-weight:500;color:var(--muted);position:relative;transition:.2s}
.nav-links a:hover{color:var(--txt)}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--grad);transition:.25s}
.nav-links a:not(.btn):hover::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:10px}
.theme-toggle{background:var(--panel);border:1px solid var(--panel-brd);width:40px;height:40px;
  border-radius:12px;cursor:pointer;display:grid;place-items:center;color:var(--txt);transition:.2s}
.theme-toggle svg{width:20px;height:20px;display:block}
.theme-toggle:hover{transform:translateY(-2px)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--txt);transition:.3s}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;font-weight:600;
  border-radius:12px;padding:12px 20px;cursor:pointer;border:1px solid transparent;transition:.25s;font-family:Inter}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px rgba(59,130,246,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(59,130,246,.55)}
.btn-ghost{background:var(--panel);border-color:var(--panel-brd);color:var(--txt)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--brand)}
.btn-lg{padding:15px 28px;font-size:16px}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

/* Hero */
.hero{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;
  gap:50px;padding:140px 6vw 80px}
.badge{display:inline-block;background:var(--panel);border:1px solid var(--panel-brd);
  padding:8px 16px;border-radius:999px;font-size:13px;color:var(--muted);margin-bottom:22px}
.hero h1{font-size:clamp(40px,6vw,76px);font-weight:800;letter-spacing:-1px}
.lead{font-size:clamp(16px,1.4vw,19px);color:var(--muted);max-width:560px;margin:22px 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:50px;flex-wrap:wrap}
.hero-stats strong{font-family:Sora;font-size:34px;display:block;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:13px;color:var(--muted)}

/* Terminal card */
.hero-card{perspective:1000px}
.terminal{background:#0a0f24;border:1px solid var(--panel-brd);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;transform:rotateY(-8deg) rotateX(4deg);transition:.5s}
.terminal:hover{transform:rotateY(0) rotateX(0)}
.term-bar{display:flex;align-items:center;gap:8px;padding:14px 16px;background:#11183a;border-bottom:1px solid var(--panel-brd)}
.term-bar span{width:12px;height:12px;border-radius:50%}
.term-bar span:nth-child(1){background:#ff5f57}.term-bar span:nth-child(2){background:#febc2e}.term-bar span:nth-child(3){background:#28c840}
.term-bar i{margin-left:auto;color:#6b78a8;font-size:12px;font-style:normal;font-family:monospace}
.terminal pre{padding:22px;font-family:"Courier New",monospace;font-size:14.5px;color:#7dd3fc;
  min-height:230px;white-space:pre-wrap}

/* Sections */
.section{padding:100px 6vw;position:relative}
.section-head{text-align:center;max-width:680px;margin:0 auto 60px}
.kicker{display:inline-block;color:var(--brand2);font-weight:600;font-size:13px;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:clamp(28px,3.4vw,44px)}
.section-head p{color:var(--muted);margin-top:14px}

/* Service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1100px;margin:0 auto}
.card{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);
  padding:30px;transition:.3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:.3s;z-index:-1}
.card:hover{transform:translateY(-8px);border-color:transparent;box-shadow:var(--shadow)}
.card:hover::before{opacity:.12}
.card-ico{font-size:34px;margin-bottom:16px}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}

/* About */
.about{display:grid;grid-template-columns:1.35fr 1fr;gap:55px;align-items:center;max-width:1240px;margin:0 auto}
.about-media{position:relative}
.about-photo{width:100%;height:auto;display:block;
  border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--panel-brd)}
.about-float{position:absolute;bottom:-22px;left:30px;background:var(--bg);border:1px solid var(--panel-brd);
  border-radius:14px;padding:14px 22px;box-shadow:var(--shadow)}
.about-float strong{display:block;font-family:Sora}
.about-float span{font-size:13px;color:var(--muted)}
.about-text h2{margin:10px 0 18px}
.about-text p{color:var(--muted);margin-bottom:22px}
.ticks{list-style:none;margin-bottom:28px;display:grid;gap:12px}
.ticks li{padding-left:32px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;
  background:var(--grad);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}

/* Why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;max-width:1100px;margin:0 auto}
.why-item{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);padding:28px;transition:.3s}
.why-item:hover{transform:translateY(-6px);border-color:var(--brand)}
.why-num{font-family:Sora;font-size:40px;font-weight:800;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}
.why-item h3{font-size:18px;margin-bottom:8px}
.why-item p{color:var(--muted);font-size:14px}

/* Reference */
.ref-tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.ref-tab{background:var(--panel);border:1px solid var(--panel-brd);color:var(--muted);
  padding:10px 22px;border-radius:999px;cursor:pointer;font-family:Inter;font-weight:600;font-size:14px;transition:.25s}
.ref-tab:hover{color:var(--txt);transform:translateY(-2px)}
.ref-tab.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 22px rgba(59,130,246,.4)}
.ref-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;max-width:1100px;margin:0 auto}
.ref-chip{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--panel-brd);
  border-radius:14px;padding:15px 18px;font-size:14.5px;font-weight:500;transition:.25s;animation:chipIn .4s both}
.ref-chip:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
.ref-chip span{flex-shrink:0;display:grid;place-items:center;color:var(--brand2)}
.ref-chip span svg{width:20px;height:20px;display:block}
.ref-chip.hide{display:none}
@keyframes chipIn{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:1100px;margin:0 auto}
.ci-row{display:flex;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--panel-brd);
  border-radius:14px;padding:16px 20px;margin-bottom:14px;transition:.25s}
.ci-row:hover{transform:translateX(6px);border-color:var(--brand)}
.ci-row span{width:34px;flex-shrink:0;display:grid;place-items:center;line-height:1;color:var(--brand2)}
.ci-row span svg{width:22px;height:22px;display:block}
.ci-row small{display:block;color:var(--muted);font-size:12px}
.ci-row b{font-size:16px}
.map{margin-top:18px;border-radius:14px;overflow:hidden;border:1px solid var(--panel-brd);height:230px}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(.2) contrast(1.05)}
.contact-form{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);padding:34px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:500}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--panel-brd);
  border-radius:12px;padding:13px 15px;color:var(--txt);font-family:Inter;font-size:15px;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(59,130,246,.2)}
.field input.invalid,.field textarea.invalid{border-color:#ff5f57}
.form-note{margin-top:16px;color:var(--brand2);font-weight:600}

/* Footer */
.footer{padding:40px 6vw;border-top:1px solid var(--panel-brd);margin-top:40px}
.footer-in{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;max-width:1200px;margin:0 auto}
.footer p{color:var(--muted);font-size:14px}
.to-top{color:var(--muted);font-weight:600}
.to-top:hover{color:var(--brand)}

/* FAB */
.fab{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;
  background:var(--grad);display:grid;place-items:center;font-size:24px;z-index:40;
  box-shadow:0 12px 34px rgba(59,130,246,.55);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(59,130,246,.5)}70%{box-shadow:0 0 0 18px rgba(59,130,246,0)}100%{box-shadow:0 0 0 0 rgba(59,130,246,0)}}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(40px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:920px){
  .hero{grid-template-columns:1fr;padding-top:120px}
  .hero-card{max-width:420px}
  .about,.contact-wrap{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);background:var(--bg2);
    flex-direction:column;justify-content:center;padding:40px;transform:translateX(100%);
    transition:.35s;border-left:1px solid var(--panel-brd);overflow-y:auto}
  /* menu fills the viewport regardless of navbar height */
  .nav-links.open{transform:none;height:100vh;height:100dvh;top:0}
  /* keep page from scrolling behind the open menu (pin body so mobile touch-scroll can't move it) */
  body.menu-open{position:fixed;left:0;right:0;width:100%;overflow:hidden}
  /* backdrop-filter on .nav would trap the fixed menu as its containing block — disable while open */
  body.menu-open .nav.scrolled{backdrop-filter:none;-webkit-backdrop-filter:none}
  .burger{display:flex}
  .burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.x span:nth-child(2){opacity:0}
  .burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(max-width:560px){
  .cards,.why-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}