/* ============================================================
   SallusTech — design system v2 · dark skeuomorphic blue
   tokens: primary #60A5FA · accent #3B82F6 · bg #000
   text #FFFFFF / #A1A1AA · border #27272A
   fonts: Inter (display+body) · JetBrains Mono (labels)
   ============================================================ */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#000000;--bg-2:#0A0A0E;--bg-3:#101016;--surface:#0E1015;--surface-2:#14161D;
  --ink:#FFFFFF;--ink-2:#E4E6EC;--muted:#A1A1AA;--muted-2:#6B6B74;
  --line:#27272A;--line-2:#3A3A42;
  --gold:#60A5FA;--gold-2:#93C5FD;--gold-d:#8AB8F8;--gold-soft:rgba(96,165,250,.12);
  --accent:#3B82F6;
  --indigo:#6366F1;--teal:#22D3EE;--violet:#8B5CF6;--green:#34D399;
  --gold-grad:linear-gradient(120deg,#3B82F6,#60A5FA);
  --r:28px;--r-sm:18px;--maxw:1180px;--e:cubic-bezier(.16,1,.3,1);--spring:cubic-bezier(.34,1.56,.64,1);
  --sh-1:0 1px 2px rgba(0,0,0,.6);
  --sh-2:0 14px 34px -14px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.05);
  --sh-3:0 34px 70px -26px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.07);
  --glow:0 0 0 1px rgba(96,165,250,.25),0 12px 40px -10px rgba(59,130,246,.45);
  --z-nav:60;--z-prog:70;--z-fab:80;--z-modal:100;
}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Inter',sans-serif;letter-spacing:-.035em;line-height:1.06;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:104px 0;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:700}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold-grad);box-shadow:0 0 0 4px var(--gold-soft),0 0 12px rgba(96,165,250,.6)}
.grad{background:linear-gradient(120deg,#93C5FD,#60A5FA 55%,#3B82F6);-webkit-background-clip:text;background-clip:text;color:transparent}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:16px;z-index:200;background:var(--surface);padding:10px 16px;border-radius:12px;box-shadow:var(--sh-2)}

/* buttons — pill, soft bevel */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Inter',sans-serif;font-weight:600;font-size:15px;padding:14px 26px;border-radius:9999px;border:1px solid transparent;cursor:pointer;transition:transform .22s var(--e),box-shadow .25s,background .2s,border-color .2s,color .2s;min-height:50px;position:relative}
.btn:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.btn:active{transform:scale(.97)}
.btn svg{width:17px;height:17px}
.btn--primary{background:var(--surface-2);color:#fff;border-color:var(--line-2);box-shadow:var(--sh-2)}
.btn--primary:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--glow)}
.btn--gold{background:var(--gold-grad);color:#04101F;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 14px 34px -10px rgba(59,130,246,.55)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 22px 48px -10px rgba(59,130,246,.7)}
.btn--ghost{background:rgba(255,255,255,.03);color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--glow)}
.btn--wa{background:linear-gradient(135deg,#1FAF54,#25D366);color:#04140A;box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}
.btn--wa:hover{transform:translateY(-2px);box-shadow:0 18px 36px -10px rgba(37,211,102,.45)}

/* scroll progress */
.prog{position:fixed;top:0;left:0;height:3px;width:0;background:var(--gold-grad);z-index:var(--z-prog);transition:width .08s linear;box-shadow:0 0 12px rgba(96,165,250,.7)}

/* NAV */
header.nav{position:fixed;inset:0 0 auto 0;z-index:var(--z-nav);transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:74px;gap:18px;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;height:100%}
.brand img{height:40px;width:auto}
.nav__links{display:flex;align-items:center;gap:24px}
.nav__links a.lk{font-size:14.5px;font-weight:500;color:var(--muted);position:relative;transition:color .15s}
.nav__links a.lk:hover{color:var(--ink)}
.nav__links a.lk.cur{color:var(--ink);font-weight:600}
.nav__links a.lk.cur::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--gold-grad);border-radius:2px;box-shadow:0 0 8px rgba(96,165,250,.7)}
header.nav.scr{background:rgba(0,0,0,.72);backdrop-filter:saturate(160%) blur(16px);border-color:var(--line)}
.nav__tog{display:none;background:var(--surface);border:1px solid var(--line-2);border-radius:14px;width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center;color:var(--ink)}
.nav__tog svg{width:22px;height:22px}

/* SECTION HEAD */
.sh{max-width:680px;margin:0 auto 56px;text-align:center}
.sh h2{font-size:clamp(32px,4.6vw,52px);margin:16px 0 16px;letter-spacing:-.04em;color:var(--ink)}
.sh p{color:var(--muted);font-size:18px}

/* grids */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

/* FOOTER */
footer{background:var(--bg-2);border-top:1px solid var(--line);padding:60px 0 30px}
.foot{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:30px}
footer .brand img{height:44px}
.foot__about{font-size:14px;color:var(--muted);margin-top:14px;max-width:280px}
footer h4{font-size:12px;font-family:'JetBrains Mono',monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:14px;font-weight:700}
footer a.fl{display:block;font-size:14px;color:var(--muted);padding:5px 0;transition:color .15s}
footer a.fl:hover{color:var(--gold)}
.foot__bar{border-top:1px solid var(--line);margin-top:42px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted-2);font-family:'JetBrains Mono',monospace}
.foot__badge{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2)}
.foot__badge .d{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}

/* ===== animation primitives ===== */
.rv{opacity:0;transform:translateY(30px);transition:opacity .7s var(--e),transform .7s var(--e)}
.rv.in{opacity:1;transform:none}
.rv-l{opacity:0;transform:translateX(-40px);transition:opacity .8s var(--e),transform .8s var(--e)}
.rv-l.in{opacity:1;transform:none}
.rv-r{opacity:0;transform:translateX(40px);transition:opacity .8s var(--e),transform .8s var(--e)}
.rv-r.in{opacity:1;transform:none}
.rv-sc{opacity:0;transform:scale(.9);transition:opacity .7s var(--e),transform .7s var(--spring)}
.rv-sc.in{opacity:1;transform:none}
.rv-blur{opacity:0;filter:blur(14px);transform:translateY(20px);transition:opacity .8s var(--e),filter .8s var(--e),transform .8s var(--e)}
.rv-blur.in{opacity:1;filter:blur(0);transform:none}
.float-y{animation:floatY 6s ease-in-out infinite}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.spin-slow{animation:spinS 22s linear infinite}
@keyframes spinS{to{transform:rotate(360deg)}}

/* FAB + popup */
.fab-wrap{position:fixed;right:22px;bottom:22px;z-index:var(--z-fab);display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.fab{width:58px;height:58px;border-radius:50%;background:var(--gold-grad);color:#04101F;border:none;cursor:pointer;display:grid;place-items:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 16px 36px -10px rgba(59,130,246,.6);transition:transform .3s var(--spring);position:relative}
.fab:hover{transform:translateY(-2px) scale(1.06)}
.fab:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.fab svg{width:24px;height:24px;transition:transform .35s var(--e)}
.fab.open svg.tog{transform:rotate(135deg)}
.fab::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--gold);opacity:0;animation:fpulse 2.4s ease-out infinite}
@keyframes fpulse{0%{transform:scale(.85);opacity:.6}100%{transform:scale(1.4);opacity:0}}
.fab-list{display:flex;flex-direction:column;gap:10px;align-items:flex-end;opacity:0;transform:translateY(14px) scale(.92);pointer-events:none;transition:opacity .28s var(--e),transform .28s var(--spring)}
.fab-wrap.open .fab-list{opacity:1;transform:none;pointer-events:auto}
.fab-item{display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1px solid var(--line-2);border-radius:9999px;padding:8px 16px 8px 8px;box-shadow:var(--sh-2)}
.fab-item:hover{transform:translateX(-3px);border-color:var(--gold);transition:transform .2s var(--e),border-color .2s}
.fab-item .fi{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;color:#fff;flex-shrink:0}
.fab-item .fi svg{width:18px;height:18px}
.fab-item .ft{font-size:13.5px;font-weight:600;color:var(--ink);font-family:'Inter'}
.fi.linkedin{background:#0A66C2}.fi.wa{background:linear-gradient(135deg,#1FAF54,#25D366)}.fi.mail{background:var(--gold-grad);color:#04101F}.fi.gh{background:#1B1F27}
.back-top{opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .28s,transform .28s var(--e);width:46px;height:46px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line-2);color:var(--ink);display:grid;place-items:center;box-shadow:var(--sh-2);cursor:pointer}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top:hover{border-color:var(--gold);box-shadow:var(--glow)}
.back-top svg{width:18px;height:18px}
.ad-bd{position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(8px);z-index:var(--z-modal);opacity:0;pointer-events:none;transition:opacity .35s var(--e);display:grid;place-items:center;padding:20px}
.ad-bd.show{opacity:1;pointer-events:auto}
.ad-modal{background:var(--surface);border:1px solid var(--line-2);border-radius:24px;max-width:380px;width:100%;padding:26px 24px 22px;position:relative;box-shadow:var(--sh-3);transform:scale(.92) translateY(20px);transition:transform .42s var(--spring)}
.ad-bd.show .ad-modal{transform:none}
.ad-lbl{display:inline-flex;align-items:center;gap:7px;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-bottom:14px}
.ad-lbl::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.ad-x{position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:50%;border:1px solid var(--line-2);background:var(--surface-2);cursor:pointer;display:grid;place-items:center;color:var(--ink);transition:border-color .2s,transform .2s}
.ad-x:hover{border-color:var(--gold);transform:rotate(90deg)}
.ad-x svg{width:15px;height:15px}
.ad-slot-box{min-height:250px;border-radius:16px;background:var(--bg-3);border:1px dashed var(--line-2);display:grid;place-items:center;text-align:center;padding:22px;color:var(--muted);font-size:13.5px}
.ad-slot-box .pi{width:46px;height:46px;border-radius:13px;background:var(--gold-soft);display:grid;place-items:center;margin:0 auto 12px;color:var(--gold)}
.ad-slot-box .pi svg{width:22px;height:22px}
.ad-inline{max-width:var(--maxw);margin:0 auto;padding:8px 24px 0}

@media (max-width:1020px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .section{padding:72px 0}
  .nav__links{position:fixed;inset:74px 0 auto 0;background:rgba(5,5,8,.97);backdrop-filter:blur(14px);flex-direction:column;align-items:stretch;gap:0;padding:10px 24px 22px;border-bottom:1px solid var(--line);box-shadow:var(--sh-2);transform:translateY(-140%);transition:transform .32s var(--e);visibility:hidden}
  .nav__links.open{transform:none;visibility:visible}
  .nav__links a.lk{padding:15px 0;border-bottom:1px solid var(--line);color:var(--ink)}
  .nav__links a.lk.cur::after{display:none}
  .nav__links .btn{margin-top:14px}
  .nav__tog{display:flex}
  .grid{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .fab-wrap{right:14px;bottom:14px}
}
@media (prefers-reduced-motion:reduce){
  .rv,.rv-l,.rv-r,.rv-sc,.rv-blur{opacity:1;transform:none;filter:none}
  .float-y,.spin-slow,.fab::after{animation:none}
  html{scroll-behavior:auto}
  *{transition-duration:.01ms!important}
}

/* brand wordmark */
.brand__ic{height:34px!important;width:34px;object-fit:contain;filter:drop-shadow(0 4px 10px rgba(59,130,246,.5))}
.brand__tx{font-family:'Inter',sans-serif;font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.brand__tx b{background:linear-gradient(120deg,#93C5FD,#3B82F6);-webkit-background-clip:text;background-clip:text;color:transparent}
footer .brand__ic{height:38px!important;width:38px}