/* ============================================================
   Robotico AI — futuristic studio site
   ============================================================ */
:root{
  --bg:#05060a;
  --bg-2:#080b14;
  --panel:rgba(255,255,255,.03);
  --panel-brd:rgba(255,255,255,.08);
  --text:#e8ecff;
  --muted:#8b93b4;
  --cyan:#00eaff;
  --violet:#7b5cff;
  --pink:#ff5ca8;
  --grad:linear-gradient(120deg,#00eaff 0%,#7b5cff 55%,#ff5ca8 110%);
  --grad-soft:linear-gradient(120deg,rgba(0,234,255,.18),rgba(123,92,255,.18));
  --maxw:1160px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;line-height:1.08;letter-spacing:-.02em;font-weight:600}
section{position:relative;z-index:1}
.grad{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;
}

/* ---------- Background FX ---------- */
.bg-fx{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
#particles{position:absolute;inset:0;width:100%;height:100%}
.grid-plane{
  position:absolute;left:50%;bottom:-10%;width:200%;height:70%;
  transform:translateX(-50%) perspective(420px) rotateX(62deg);
  background-image:
    linear-gradient(rgba(0,234,255,.18) 1px,transparent 1px),
    linear-gradient(90deg,rgba(123,92,255,.18) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:linear-gradient(to top,#000 0%,transparent 85%);
  -webkit-mask-image:linear-gradient(to top,#000 0%,transparent 85%);
  animation:grid 18s linear infinite;
}
@keyframes grid{to{background-position:0 540px,540px 0}}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;animation:float 16s ease-in-out infinite}
.orb--cyan{top:-120px;right:-60px;width:460px;height:460px;background:radial-gradient(circle,#00eaff,transparent 70%)}
.orb--violet{top:30%;left:-160px;width:520px;height:520px;background:radial-gradient(circle,#7b5cff,transparent 70%);opacity:.5;animation-delay:-8s}
.orb--pink{bottom:-140px;left:35%;width:420px;height:420px;background:radial-gradient(circle,#ff5ca8,transparent 70%);opacity:.4;animation-delay:-4s}
@keyframes float{50%{transform:translate(28px,-26px) scale(1.08)}}
.noise{position:absolute;inset:0;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ---------- Nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(18px,5vw,48px);
  backdrop-filter:blur(14px);
  background:linear-gradient(to bottom,rgba(5,6,10,.7),transparent);
  transition:background .3s var(--ease),padding .3s var(--ease);
}
.nav.scrolled{background:rgba(5,6,10,.82);padding:12px clamp(18px,5vw,48px);border-bottom:1px solid var(--panel-brd)}
.brand{display:flex;align-items:center;gap:11px;font-family:'Space Grotesk';font-weight:700;letter-spacing:.04em;font-size:1.02rem}
.brand-mark{width:24px;height:24px;border-radius:7px;background:var(--grad);box-shadow:0 0 18px rgba(0,234,255,.6);position:relative}
.brand-mark::after{content:"";position:absolute;inset:6px;border:2px solid rgba(5,6,10,.9);border-radius:3px}
.brand-slash{color:var(--cyan)}
.nav-links{display:flex;align-items:center;gap:clamp(16px,2.5vw,30px);font-size:.93rem;font-weight:500}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text)}
.nav-cta{
  color:var(--text)!important;border:1px solid var(--panel-brd);
  padding:8px 18px;border-radius:999px;background:var(--panel);
}
.nav-cta:hover{border-color:var(--cyan);box-shadow:0 0 16px rgba(0,234,255,.3)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--text);transition:.3s}

/* ---------- Layout ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(70px,11vw,140px) clamp(20px,5vw,40px)}
.eyebrow{font-family:'JetBrains Mono';font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan)}
.section-head{max-width:680px;margin-bottom:54px}
.section-head h2,.about h2,.connect h2,.ai-inner h2{font-size:clamp(1.9rem,4.4vw,3rem);margin:14px 0 16px}
.section-head p,.ai-inner>p{color:var(--muted);font-size:1.06rem}

/* ---------- Hero ---------- */
.hero{min-height:100svh;display:flex;align-items:center;max-width:var(--maxw);margin:0 auto;padding:120px clamp(20px,5vw,40px) 80px}
.hero-inner{max-width:880px}
.badge{
  display:inline-flex;align-items:center;gap:9px;
  font-family:'JetBrains Mono';font-size:.8rem;color:var(--muted);
  border:1px solid var(--panel-brd);background:var(--panel);
  padding:7px 15px;border-radius:999px;margin-bottom:30px;
}
.badge .dot{width:8px;height:8px;border-radius:50%;background:#2bff88;box-shadow:0 0 10px #2bff88;animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4}}
.hero-title{font-size:clamp(2.6rem,7.5vw,5.4rem);font-weight:700;letter-spacing:-.03em}
.hero-sub{margin:26px 0 38px;font-size:clamp(1.05rem,2vw,1.28rem);color:var(--muted);max-width:660px}
.hero-sub strong{color:var(--text)}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:1rem;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
  will-change:transform;
}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn--primary{background:var(--grad);color:#04060c;box-shadow:0 8px 30px rgba(0,234,255,.28)}
.btn--primary:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(123,92,255,.42)}
.btn--ghost{border:1px solid var(--panel-brd);background:var(--panel);color:var(--text)}
.btn--ghost:hover{border-color:var(--violet);transform:translateY(-3px)}
.hero-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:48px;font-family:'JetBrains Mono';font-size:.82rem;color:var(--muted);letter-spacing:.04em}
.hero-meta i{width:5px;height:5px;border-radius:50%;background:var(--violet)}

/* ---------- Stats ---------- */
.stats{
  max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,40px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat{
  background:var(--panel);border:1px solid var(--panel-brd);border-radius:18px;
  padding:26px 22px;text-align:center;backdrop-filter:blur(6px);
}
.stat-num{display:block;font-family:'Space Grotesk';font-size:2.4rem;font-weight:700;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{color:var(--muted);font-size:.86rem;letter-spacing:.02em}

/* ---------- Cards ---------- */
.cards{display:flex;flex-wrap:wrap;justify-content:center;gap:22px}
.card{
  flex:1 1 300px;max-width:360px;
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--panel-brd);border-radius:22px;
  padding:30px 28px;
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:rgba(0,234,255,.4)}
.card-glow{
  position:absolute;top:-40%;right:-30%;width:60%;height:80%;
  background:radial-gradient(circle,rgba(123,92,255,.35),transparent 70%);
  filter:blur(40px);opacity:0;transition:opacity .4s;
}
.card:hover .card-glow{opacity:1}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:20px}
.card-icon{font-size:1.9rem;width:52px;height:52px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid var(--panel-brd);border-radius:14px}
.card-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;max-width:170px}
.card-tags span{font-family:'JetBrains Mono';font-size:.66rem;letter-spacing:.05em;
  color:var(--muted);border:1px solid var(--panel-brd);padding:4px 9px;border-radius:999px}
.card h3{font-size:1.5rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:22px}
.card-link{display:inline-flex;align-items:center;gap:7px;font-family:'JetBrains Mono';
  font-size:.86rem;color:var(--cyan);font-weight:500}
.card-link .arr{transition:transform .25s var(--ease)}
.card-link:hover .arr{transform:translate(3px,-3px)}
.card-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center}
.card--nft .card-icon{background:linear-gradient(120deg,rgba(255,92,168,.18),rgba(123,92,255,.18))}

/* ---------- AI band ---------- */
.ai-band{position:relative}
.ai-inner{
  background:linear-gradient(135deg,rgba(0,234,255,.06),rgba(123,92,255,.06));
  border:1px solid var(--panel-brd);border-radius:28px;
  padding:clamp(34px,5vw,60px);overflow:hidden;position:relative;
}
.ai-inner::before{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 200px at 80% 0%,rgba(0,234,255,.14),transparent 70%);pointer-events:none}
.ai-list{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:22px;margin-top:38px}
.ai-list li{flex:1 1 220px;max-width:320px;background:var(--panel);border:1px solid var(--panel-brd);border-radius:16px;padding:22px}
.ai-list b{display:block;font-family:'Space Grotesk';font-size:1.05rem;margin-bottom:6px}
.ai-list span{color:var(--muted);font-size:.92rem}

/* ---------- Tech Services ---------- */
.service-hero{
  min-height:88svh;display:flex;align-items:center;
  max-width:var(--maxw);margin:0 auto;
  padding:120px clamp(20px,5vw,40px) 64px;
}
.service-hero-inner{max-width:820px}
.service-page .hero-title{font-size:clamp(3rem,8vw,6.2rem)}
.service-stats{
  max-width:var(--maxw);margin:0 auto;
  padding:0 clamp(20px,5vw,40px);
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.service-card .card-icon{font-family:'Space Grotesk',sans-serif;font-weight:700}
.service-flow{padding-top:clamp(44px,8vw,96px)}
.flow-list{list-style:none;border-top:1px solid var(--panel-brd)}
.flow-list li{
  display:grid;grid-template-columns:90px 1fr;gap:26px;
  padding:28px 0;border-bottom:1px solid var(--panel-brd);
}
.flow-list span{
  font-family:'JetBrains Mono';font-size:.82rem;letter-spacing:.18em;
  color:var(--cyan);padding-top:5px;
}
.flow-list h3{font-size:1.45rem;margin-bottom:8px}
.flow-list p{color:var(--muted);max-width:760px}
.timeline{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
}
.timeline-item{
  border:1px solid var(--panel-brd);background:var(--panel);
  padding:24px;border-radius:18px;
}
.timeline-item span{
  display:block;font-family:'JetBrains Mono';font-size:.76rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px;
}
.timeline-item h3{font-size:1.25rem;margin-bottom:8px}
.timeline-item p{color:var(--muted);font-size:.96rem}
.service-connect{padding-top:clamp(44px,8vw,96px)}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.about-text p{color:var(--muted);margin-top:16px;font-size:1.05rem}
.about-text strong{color:var(--text)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chips span{font-family:'JetBrains Mono';font-size:.78rem;color:var(--text);
  background:var(--panel);border:1px solid var(--panel-brd);padding:8px 14px;border-radius:999px}
.terminal{background:#070a12;border:1px solid var(--panel-brd);border-radius:18px;overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.5)}
.terminal-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--panel-brd);
  font-family:'JetBrains Mono';font-size:.78rem;color:var(--muted)}
.terminal-bar i{width:11px;height:11px;border-radius:50%;background:#2a2f42}
.terminal-bar i:nth-child(1){background:#ff5f57}.terminal-bar i:nth-child(2){background:#febc2e}.terminal-bar i:nth-child(3){background:#28c840}
.terminal-bar span{margin-left:8px}
.terminal-body{padding:22px;font-family:'JetBrains Mono';font-size:.9rem;line-height:1.85;overflow-x:auto}
.c-key{color:#7b9bff}.c-var{color:var(--cyan)}.c-prop{color:#ff5ca8}.c-str{color:#7dffba}

/* ---------- Connect ---------- */
.connect-inner{text-align:center;max-width:760px;margin:0 auto}
.connect-inner>p{color:var(--muted);font-size:1.08rem;margin-top:14px}
.links-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:44px;text-align:left}
.link-card{
  flex:1 1 220px;max-width:280px;
  display:flex;flex-direction:column;gap:3px;position:relative;
  background:var(--panel);border:1px solid var(--panel-brd);border-radius:16px;padding:22px;
  transition:transform .3s var(--ease),border-color .3s;
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(0,234,255,.45)}
.link-ic{position:absolute;top:18px;right:18px;font-size:1.1rem;opacity:.55}
.link-card b{font-family:'Space Grotesk';font-size:1.05rem}
.link-card small{color:var(--muted);font-family:'JetBrains Mono';font-size:.82rem}

/* ---------- Footer ---------- */
.footer{text-align:center;padding:60px 20px 50px;border-top:1px solid var(--panel-brd);position:relative;z-index:1}
.footer-brand{font-family:'Space Grotesk';font-weight:700;letter-spacing:.06em;margin-bottom:10px}
.footer p{color:var(--muted);font-size:.86rem}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .service-stats{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:34px}
}
@media(max-width:640px){
  .nav-links{
    position:fixed;inset:0 0 auto 0;top:0;flex-direction:column;gap:22px;
    padding:90px 30px 40px;background:rgba(5,6,10,.96);backdrop-filter:blur(18px);
    transform:translateY(-100%);transition:transform .4s var(--ease);height:100svh;justify-content:center;
    font-size:1.3rem;
  }
  .nav-links.open{transform:none}
  .nav-toggle{display:flex;z-index:60}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .card-tags{max-width:none}
  .hero{min-height:auto;padding-top:130px}
  .service-hero{min-height:auto;padding-top:130px}
  .flow-list li{grid-template-columns:1fr;gap:10px}
  .service-stats{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}