:root{
  --bg:#0e141d;
  --bg-2:#121a24;
  --surface:#18222f;
  --surface-2:#1e2937;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --teal:#18858f;
  --teal-bright:#2bb0bc;
  --teal-dim:rgba(24,133,143,.16);
  --magenta:#d65cae;
  --steel:#9fb1c0;
  --text:#eef3fa;
  --muted:#9caaba;
  --muted-2:#6b7989;
  --maxw:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:linear-gradient(180deg,#16212e 0%,var(--bg) 42%,#0b1018 100%);
  background-attachment:fixed;
  color:var(--text);
  font-family:"Archivo",system-ui,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* grain + base atmosphere */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 82% -8%, rgba(24,133,143,.18), transparent 58%),
    radial-gradient(100% 80% at 8% 108%, rgba(120,150,172,.07), transparent 58%),
    radial-gradient(85% 65% at 50% 45%, rgba(60,110,140,.06), transparent 72%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:2}
a{color:inherit;text-decoration:none}
.mono{font-family:"JetBrains Mono",monospace;letter-spacing:.04em}

/* ---------- kicker label ---------- */
.kicker{
  font-family:"JetBrains Mono",monospace;
  font-size:11.5px;letter-spacing:.04em;text-transform:none;
  color:var(--muted);display:inline-block;font-weight:400;
}

/* ---------- header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  border-bottom:1px solid transparent;transition:all .4s var(--ease);
}
header.scrolled{
  background:rgba(14,20,29,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.01em}
.brand .mark{
  width:30px;height:30px;border:1.5px solid var(--teal);border-radius:50%;
  display:grid;place-items:center;position:relative;flex:none;
}
.brand .mark::after{content:"";width:9px;height:9px;background:var(--teal);border-radius:50%;
  box-shadow:0 0 14px var(--teal)}
.brand b{font-size:15px;text-transform:uppercase;letter-spacing:.08em}
.brand span{color:var(--muted-2);font-weight:500;font-size:13px;letter-spacing:.06em}
.brand-logo{height:47px;width:auto;display:block;filter:drop-shadow(0 1px 8px rgba(0,0,0,.55))}
footer .brand-logo{height:36px;opacity:.95;filter:none}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{
  font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--muted);
  letter-spacing:.04em;transition:color .25s;position:relative;padding:4px 0;
}
.nav-links a:hover{color:var(--text)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--teal);transition:width .3s var(--ease)}
.nav-links a:hover::after{width:100%}
.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:"JetBrains Mono",monospace;
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;font-weight:500;
  padding:11px 20px;border:1px solid var(--line-strong);border-radius:2px;
  transition:all .28s var(--ease);cursor:pointer;background:transparent;color:var(--text);
}
.btn:hover{border-color:var(--teal);color:var(--teal-bright);box-shadow:inset 0 0 0 1px var(--teal-dim)}
.btn-solid{background:var(--teal);border-color:var(--teal);color:#03110f;font-weight:600}
.btn-solid:hover{background:var(--teal-bright);border-color:var(--teal-bright);color:#03110f;box-shadow:0 8px 30px -8px var(--teal)}
.nav-toggle{display:none;background:none;border:1px solid var(--line-strong);color:var(--text);
  width:42px;height:38px;border-radius:2px;font-size:18px;cursor:pointer}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;
  background-image:url("../images/background.jpg");
  background-size:cover;background-position:center;
  transform:scale(1.06);filter:saturate(1.05);
}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg, var(--bg) 6%, rgba(14,20,29,.74) 44%, rgba(14,20,29,.50) 100%),
    linear-gradient(0deg, var(--bg) 1%, transparent 32%, transparent 70%, rgba(14,20,29,.46) 100%);
}
.hero .wrap{padding-top:120px;padding-bottom:80px;width:100%}
.hero-inner{max-width:760px}
.hero h1{
  font-size:clamp(42px,7vw,92px);line-height:.98;font-weight:900;
  letter-spacing:-.02em;text-transform:uppercase;margin:22px 0 0;
}
.hero h1 .em{
  color:transparent;-webkit-text-stroke:1.3px var(--teal);
  display:inline-block;
}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:560px;margin-top:26px}
.hero-cta{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero .btn{padding:15px 26px}
/* technical strip */
.tech-strip{
  position:absolute;left:0;right:0;bottom:0;z-index:3;border-top:1px solid var(--line);
  background:linear-gradient(0deg, rgba(14,20,29,.9), transparent);
}
.tech-strip .wrap{display:flex;justify-content:space-between;gap:18px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.tech-strip span{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted-2);letter-spacing:.1em;text-transform:uppercase}
.tech-strip b{color:var(--teal)}

/* reveal animation */
.rv{opacity:0;transform:translateY(22px);animation:rise .9s var(--ease) forwards}
@keyframes rise{to{opacity:1;transform:none}}

/* ---------- section frame ---------- */
section.block{padding:120px 0;position:relative;border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:56px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(30px,4.6vw,56px);font-weight:800;letter-spacing:-.02em;text-transform:uppercase;line-height:1}
.sec-head p{color:var(--muted);max-width:440px;font-size:15px}
.idx{font-family:"JetBrains Mono",monospace;color:var(--teal);font-size:13px;letter-spacing:.18em}

/* ---------- services grid ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.cap{background:var(--surface);padding:38px 32px;min-height:240px;position:relative;box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:background .35s var(--ease);overflow:hidden}
.cap::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--teal);transition:width .4s var(--ease)}
.cap:hover{background:var(--surface-2)}
.cap:hover::before{width:100%}
.cap .num{font-family:"JetBrains Mono",monospace;color:var(--muted-2);font-size:13px;letter-spacing:.1em}
.cap h3{font-size:21px;font-weight:700;margin:54px 0 12px;letter-spacing:-.01em}
.cap p{color:var(--muted);font-size:14.5px}
.cap .tag{position:absolute;top:34px;right:32px;font-family:"JetBrains Mono",monospace;
  font-size:10px;letter-spacing:.12em;color:var(--teal);border:1px solid var(--teal-dim);
  padding:3px 8px;border-radius:2px;text-transform:uppercase}

/* ---------- projects ---------- */
.feature{display:grid;grid-template-columns:1.4fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:1px}
.video-shell{position:relative;background:#000;min-height:340px;cursor:pointer;overflow:hidden}
.video-shell img,.video-shell .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  background-size:cover;background-position:center}
.video-poster{position:absolute;inset:0;
  background:
    radial-gradient(80% 120% at 30% 20%, rgba(40,150,162,.40), transparent 60%),
    radial-gradient(90% 120% at 90% 90%, rgba(24,133,143,.42), transparent 55%),
    #0b121b;
}
.video-shell .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:78px;height:78px;border-radius:50%;border:1.5px solid rgba(255,255,255,.5);
  display:grid;place-items:center;transition:all .3s var(--ease);background:rgba(14,20,29,.35);backdrop-filter:blur(4px)}
.video-shell:hover .play{border-color:var(--teal);background:rgba(27,181,166,.2);transform:translate(-50%,-50%) scale(1.06)}
.video-shell .play::after{content:"";border-left:18px solid var(--text);border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:5px}
.video-shell .vlabel{position:absolute;left:24px;bottom:22px;font-family:"JetBrains Mono",monospace;
  font-size:12px;letter-spacing:.08em;color:#dfe6ef}
.video-shell .vlabel b{display:block;font-family:"Archivo";font-size:20px;font-weight:700;letter-spacing:-.01em;margin-top:4px}
.feature-side{background:var(--surface);padding:40px 34px;display:flex;flex-direction:column;justify-content:center}
.feature-side h3{font-size:24px;font-weight:800;margin-bottom:14px}
.feature-side p{color:var(--muted);font-size:15px;margin-bottom:24px}

.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-top:none}
.proj{background:var(--surface);cursor:pointer;transition:background .3s;overflow:hidden}
.proj:hover{background:var(--surface-2)}
.proj .thumb{height:190px;position:relative;overflow:hidden}
.proj .thumb .g{position:absolute;inset:0;transition:transform .5s var(--ease)}
.proj:hover .thumb .g{transform:scale(1.07)}
.proj .thumb::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(125% 100% at 50% 36%, transparent 50%, rgba(4,7,12,.52) 100%)}
.proj .thumb::before{content:"";position:absolute;inset:11px;z-index:2;pointer-events:none;opacity:.5;transition:opacity .3s var(--ease);
  background:
    linear-gradient(var(--teal),var(--teal)) left top/15px 1.5px no-repeat,
    linear-gradient(var(--teal),var(--teal)) left top/1.5px 15px no-repeat,
    linear-gradient(var(--teal),var(--teal)) right top/15px 1.5px no-repeat,
    linear-gradient(var(--teal),var(--teal)) right top/1.5px 15px no-repeat,
    linear-gradient(var(--teal),var(--teal)) left bottom/15px 1.5px no-repeat,
    linear-gradient(var(--teal),var(--teal)) left bottom/1.5px 15px no-repeat,
    linear-gradient(var(--teal),var(--teal)) right bottom/15px 1.5px no-repeat,
    linear-gradient(var(--teal),var(--teal)) right bottom/1.5px 15px no-repeat}
.proj:hover .thumb::before{opacity:.9}
.g1{background:radial-gradient(70% 90% at 70% 20%,rgba(24,133,143,.48),transparent 60%),#0b131c}
.g2{background:radial-gradient(80% 90% at 20% 80%,rgba(120,150,172,.38),transparent 60%),#0d131c}
.g3{background:radial-gradient(80% 90% at 50% 50%,rgba(60,90,170,.5),transparent 60%),#0a0f1c}
.g4{background:radial-gradient(80% 90% at 80% 70%,rgba(24,133,143,.40),transparent 55%),radial-gradient(60% 70% at 20% 20%,rgba(120,150,172,.26),transparent 60%),#0c111a}
.proj .meta{padding:22px 24px;border-top:1px solid var(--line)}
.proj .meta .k{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--teal);letter-spacing:.1em;text-transform:uppercase}
.proj .meta h4{font-size:18px;font-weight:700;margin:8px 0 6px}
.proj .meta p{color:var(--muted);font-size:13.5px}

/* ---------- app / lantern ---------- */
#app{background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.apps{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.app-card{position:relative;border:1px solid var(--line);background:var(--surface);
  padding:42px 38px;border-radius:3px;overflow:hidden;box-shadow:inset 0 1px 0 rgba(255,255,255,.05);transition:border-color .35s,transform .35s var(--ease)}
.app-card:hover{transform:translateY(-4px)}
.app-card.light:hover{border-color:var(--teal)}
.app-card.heavy:hover{border-color:var(--steel)}
.app-card .glow{position:absolute;width:280px;height:280px;border-radius:50%;filter:blur(70px);opacity:.22;top:-90px;right:-70px}
.app-card.light .glow{background:var(--teal)}
.app-card.heavy .glow{background:var(--steel)}
.app-card .badge{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  padding:5px 11px;border-radius:2px;display:inline-block}
.app-card.light .badge{color:var(--teal-bright);border:1px solid var(--teal-dim)}
.app-card.heavy .badge{color:var(--steel);border:1px solid rgba(159,177,192,.32)}
.app-card h3{font-size:30px;font-weight:800;margin:20px 0 6px;letter-spacing:-.01em}
.app-card .sub{color:var(--muted);font-size:15px;margin-bottom:8px}
.app-card ul{list-style:none;margin:22px 0 30px;display:flex;flex-direction:column;gap:11px}
.app-card li{font-size:14px;color:var(--muted);display:flex;gap:11px;align-items:flex-start}
.app-card li::before{content:"›";color:var(--teal);font-family:"JetBrains Mono",monospace}
.app-card .note{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted-2);margin-top:16px;letter-spacing:.03em}
.dl-count{margin-top:18px;font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--muted-2)}
.dl-count b{color:var(--text)}

/* ---------- contact ---------- */
#contact{border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-grid h2{font-size:clamp(34px,5vw,64px);font-weight:900;text-transform:uppercase;letter-spacing:-.02em;line-height:.98}
.contact-grid .lead{color:var(--muted);margin:24px 0 32px;max-width:380px}
.socials{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line)}
.soc{background:var(--surface);display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;transition:background .25s,padding-left .25s var(--ease)}
.soc:hover{background:var(--surface-2);padding-left:30px}
.soc .p{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted-2);letter-spacing:.12em;text-transform:uppercase}
.soc .h{font-size:16px;font-weight:600;margin-top:3px}
.soc .arrow{color:var(--muted-2);transition:color .25s}
.soc:hover .arrow{color:var(--teal)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:54px 0 40px}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot .small{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted-2);letter-spacing:.06em}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .cap-grid,.proj-grid{grid-template-columns:repeat(2,1fr)}
  .feature{grid-template-columns:1fr}
  .apps,.contact-grid{grid-template-columns:1fr}
  .counters{grid-template-columns:repeat(2,1fr)}
  .contact-grid{gap:40px}
}
@media(max-width:640px){
  .brand-logo{height:40px}
  .nav-links{position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(14,20,29,.97);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:10px 28px 22px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:all .3s var(--ease)}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{width:100%;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-links .btn{margin-top:14px}
  .nav-toggle{display:block}
  .cap-grid{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:1fr}
  section.block{padding:80px 0}
}