:root{
  --bg:#0a1020; --bg-2:#0f172a; --card:#121b31; --line:#1f2a44;
  --text:#e6ebf5; --muted:#94a3b8; --accent:#38bdf8; --accent-2:#6366f1;
  --radius:18px; --gutter:clamp(16px,4vw,40px);
  --grad:linear-gradient(100deg,var(--accent),var(--accent-2));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%}
h1,h2,h3,h4{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.1;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.2rem,5.4vw,4.2rem);font-weight:700;max-width:17ch}
h2{font-size:clamp(1.8rem,4vw,3rem);font-weight:600;max-width:22ch}
h3{font-size:1.25rem;font-weight:600}
h4{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}
a{color:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{color:var(--accent);font-weight:600;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem;display:flex;flex-wrap:wrap;align-items:center;gap:.6rem}
.lead{color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.2rem);max-width:60ch}
.pill{display:inline-block;padding:.25em .8em;border-radius:99px;background:rgba(56,189,248,.15);color:var(--accent);font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:none}

.btn{display:inline-flex;align-items:center;gap:.5em;padding:.85em 1.5em;border-radius:99px;background:var(--grad);color:#fff;font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:1rem;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(56,189,248,.6)}
.btn--ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--accent);box-shadow:none}
.btn--sm{padding:.55em 1.1em;font-size:.9rem}
.link{color:var(--accent);text-decoration:none;font-weight:600}

/* NAV */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.is-scrolled{background:rgba(10,16,32,.85);backdrop-filter:blur(14px);border-color:var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center}
.logo img{height:38px;width:auto}
.nav__links{display:flex;align-items:center;gap:1.5rem}
.nav__links a:not(.btn){text-decoration:none;color:var(--muted);font-weight:500;font-size:.95rem}
.nav__links a:not(.btn):hover{color:var(--text)}
.nav__toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.nav__toggle span{position:absolute;left:9px;right:9px;height:2px;background:var(--text);transition:.3s}
.nav__toggle span:first-child{top:15px}.nav__toggle span:last-child{top:23px}
.nav.is-open .nav__toggle span:first-child{top:19px;transform:rotate(45deg)}
.nav.is-open .nav__toggle span:last-child{top:19px;transform:rotate(-45deg)}

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:110px 0 40px;overflow:hidden}
.hero__bg{position:absolute;inset:0;pointer-events:none}
.grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 70% 40%,#000 10%,transparent 70%);opacity:.55}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:float 14s ease-in-out infinite}
.g1{width:520px;height:520px;background:#0ea5e9;top:-120px;right:-80px}
.g2{width:420px;height:420px;background:#6366f1;bottom:-140px;right:25%;animation-delay:-7s}
@keyframes float{50%{transform:translate(-40px,30px) scale(1.1)}}
.hero__slides{position:relative;display:grid}
.hero__slide{grid-area:1/1;opacity:0;visibility:hidden;transform:translateY(20px);transition:opacity .8s,transform .8s,visibility .8s}
.hero__slide.is-active{opacity:1;visibility:visible;transform:none}
.hero__grid{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:2rem}
.years{position:relative;display:grid;place-items:center;text-align:center;aspect-ratio:1;max-width:340px;width:100%;justify-self:center;align-content:center}
.years__ring{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(255,255,255,.12);box-shadow:inset 0 0 0 40px rgba(56,189,248,.04)}
.years__ring::after{content:"";position:absolute;inset:44px;border-radius:50%;border:1px dashed rgba(255,255,255,.15)}
.years strong{font:800 clamp(5rem,10vw,8rem)/1 "Space Grotesk",sans-serif;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.years>span{text-transform:uppercase;letter-spacing:.3em;font-weight:600;color:rgba(255,255,255,.8);margin-top:.4rem}
.years small{color:var(--muted)}
.cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.hero__controls{position:relative;display:flex;justify-content:space-between;align-items:center;margin-top:3.5rem}
.dots{display:flex;gap:.5rem}
.dots button{width:28px;height:4px;border-radius:4px;border:0;background:var(--line);cursor:pointer;padding:0;transition:.3s}
.dots button.is-active{background:var(--accent);width:48px}
.arrows{display:flex;gap:.5rem}
.arrow{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(18,27,49,.6);color:var(--text);font-size:1.1rem;cursor:pointer;transition:.2s}
.arrow:hover{border-color:var(--accent);color:var(--accent)}

/* STATS */
.stats{border-block:1px solid var(--line);background:var(--bg-2)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stats__grid div{padding:2rem 1rem;text-align:center;border-left:1px solid var(--line)}
.stats__grid div:first-child{border-left:0}
.stats strong{display:block;font:700 clamp(2rem,4vw,2.8rem) "Space Grotesk",sans-serif;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats div>span{color:var(--muted);font-size:.9rem}

/* SECTIONS */
.section{padding:clamp(80px,11vw,130px) 0}
.section--tight{padding-top:clamp(40px,6vw,70px)}
.section__head{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:2.5rem}
.sub{margin:3rem 0 1.5rem;font-size:1.3rem}

/* LISTS & CHIPS */
.ticks{list-style:none;padding:0;margin:0 0 1.5rem;display:grid;gap:.5rem}
.ticks li{position:relative;padding-left:1.6rem;color:var(--text);font-size:.95rem}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:11px;height:11px;border-radius:3px;background:var(--grad)}
.ticks--cols{grid-template-columns:1fr 1fr;gap:.8rem 1.5rem;align-content:center}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.chips span{padding:.35em .9em;border:1px solid var(--line);border-radius:99px;font-size:.85rem;color:var(--muted);background:rgba(18,27,49,.6)}
.chips--center{justify-content:center;margin-top:2rem}

/* SERVICES GRID */
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;margin-top:3rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;transition:transform .3s,border-color .3s;display:flex;flex-direction:column;align-items:flex-start}
.card:hover{transform:translateY(-6px);border-color:rgba(56,189,248,.5)}
.card>p{color:var(--muted);font-size:.95rem}
.card .ticks{margin:auto 0 0}
.tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:.9rem}
.card--feature{background:radial-gradient(circle at 100% 0,rgba(99,102,241,.35),transparent 60%),linear-gradient(160deg,#13264a,var(--card));border-color:rgba(56,189,248,.45)}
.card--cta{text-decoration:none;justify-content:center;background:linear-gradient(160deg,rgba(56,189,248,.12),rgba(99,102,241,.12));border-style:dashed}
.card--cta .link{margin-top:.5rem}

/* PRODUCTS */
.products{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-top:2.5rem}
.product{border-radius:24px;padding:clamp(1.5rem,3vw,2.5rem);border:1px solid rgba(56,189,248,.4);background:radial-gradient(circle at 100% 0,rgba(56,189,248,.25),transparent 55%),linear-gradient(160deg,#13264a,var(--card));display:flex;flex-direction:column;align-items:flex-start}
.product--alt{border-color:rgba(99,102,241,.45);background:radial-gradient(circle at 100% 0,rgba(99,102,241,.35),transparent 55%),linear-gradient(160deg,#1b1a4a,var(--card))}
.product h3{font-size:clamp(1.6rem,3vw,2.2rem);margin-top:.8rem}
.product>p{color:var(--muted)}
.product .btn{margin-top:auto}

/* FRONTIER */
.frontier{background:radial-gradient(ellipse at 0 30%,rgba(56,189,248,.12),transparent 50%),var(--bg-2);border-block:1px solid var(--line)}
.steps{list-style:none;padding:0;margin:2.5rem 0;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;counter-reset:s}
.steps li{display:flex;flex-direction:column;gap:.3rem;padding:1.4rem;border:1px solid var(--line);border-radius:16px;background:var(--card);color:var(--muted);font-size:.95rem}
.steps span{font:700 .85rem "Space Grotesk";color:var(--accent)}
.steps b{color:var(--text);font-size:1.05rem}
.attrs{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.attrs div{display:flex;flex-direction:column;gap:.2rem;color:var(--muted);font-size:.9rem;padding-left:1rem;border-left:2px solid var(--accent)}
.attrs b{color:var(--text)}
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.modes article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.modes small{color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.1em;font-size:.72rem}
.modes h4{margin-top:.4rem}
.modes p{color:var(--muted);font-size:.95rem}
.stack{color:var(--muted);font-size:.9rem;margin:2rem 0 1.5rem}

/* LOGOS */
.marquee{margin:2.5rem 0 0;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee+.marquee{margin-top:1rem}
.marquee__track{display:flex;gap:1rem;width:max-content;animation:marquee 45s linear infinite}
.marquee--reverse .marquee__track{animation-direction:reverse}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.brand{flex:none;display:grid;place-items:center;width:190px;height:92px;padding:1rem 1.6rem;border-radius:16px;background:#fff}
.brand img{max-height:54px;max-width:100%;width:auto;object-fit:contain;filter:grayscale(1);opacity:.85;transition:.3s}
.brand:hover img{filter:none;opacity:1}
.brand--lg{width:240px}
.brand--lg img{max-height:70px;filter:none;opacity:1}

/* IBM */
.ibm{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(2rem,5vw,4rem);padding:clamp(1.5rem,4vw,3.5rem);border-radius:28px;border:1px solid var(--line);background:radial-gradient(circle at 0 0,rgba(56,189,248,.15),transparent 50%),linear-gradient(160deg,#101d3a,var(--bg-2))}
.ibm__logo{display:inline-block;background:#fff;border-radius:18px;padding:1.1rem 2rem;margin-bottom:1.5rem}
.ibm__logo img{height:84px;width:auto;max-width:none;display:block}
.ibm h2{font-size:clamp(1.6rem,3vw,2.4rem)}

/* TIMELINE */
.track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:.5rem max(var(--gutter),calc((100vw - 1200px)/2 + var(--gutter))) 1.5rem;scroll-padding-inline:max(var(--gutter),calc((100vw - 1200px)/2 + var(--gutter)));scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.milestone{flex:0 0 min(290px,78vw);scroll-snap-align:start;position:relative;padding:3rem 2rem 0 0}
.milestone::before{content:"";position:absolute;top:.6rem;left:0;right:0;height:2px;background:var(--line)}
.milestone::after{content:"";position:absolute;top:0;left:0;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--accent)}
.milestone--now::after{background:var(--accent);box-shadow:0 0 0 6px rgba(56,189,248,.2)}
.year{display:block;font:700 2.4rem "Space Grotesk",sans-serif;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:.4rem}
.milestone p{color:var(--muted)}
.progress{height:3px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:1rem}
.progress span{display:block;height:100%;width:0;background:var(--grad);transition:width .2s}

/* ABOUT */
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.about__cards{display:grid;gap:1rem}
.about__cards article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
.about__cards p{color:var(--muted);margin:0}

/* CONTACT */
.contact{background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem)}
.contact__list{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:1rem}
.contact__list li{display:flex;flex-direction:column;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.contact__list span{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em}
.contact__list a{text-decoration:none;font-weight:500}
.form{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:2rem;display:grid;gap:1rem;align-self:start}
.form label{display:grid;gap:.4rem;font-size:.9rem;color:var(--muted)}
.form input,.form textarea{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:.8em 1em;color:var(--text);font:inherit;resize:vertical}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--accent)}
.form .btn{justify-self:start}
.form__note{color:var(--muted);font-size:.8rem;margin:0}

.footer{border-top:1px solid var(--line);padding:2rem 0;color:var(--muted);font-size:.9rem}
.footer__inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer img{height:30px;width:auto}
.footer p{margin:0}

.wa{position:fixed;right:20px;bottom:20px;z-index:40;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.35);transition:transform .2s}
.wa:hover{transform:scale(1.08)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s,transform .8s}
.reveal.is-in{opacity:1;transform:none}

@media (max-width:1100px){
  .services{grid-template-columns:repeat(2,1fr)}
  .attrs{grid-template-columns:repeat(2,1fr)}
  .nav__links{gap:1.1rem}
}
@media (max-width:960px){
  .nav__toggle{display:block}
  .nav__links{position:fixed;inset:72px 0 auto;flex-direction:column;align-items:flex-start;gap:1.2rem;padding:1.5rem var(--gutter) 2rem;background:rgba(10,16,32,.97);border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .35s;z-index:-1}
  .nav.is-open .nav__links{transform:none}
  .nav.is-open{background:rgba(10,16,32,.97)}
  .hero__grid,.products,.ibm,.about,.contact__grid{grid-template-columns:1fr}
  .years{max-width:240px}
  .steps,.modes{grid-template-columns:1fr}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .stats__grid div:nth-child(3){border-left:0}
  .stats__grid div:nth-child(n+3){border-top:1px solid var(--line)}
  .section__head .arrows,.hero__controls .arrows{display:none}
}
@media (max-width:600px){
  .services,.attrs,.ticks--cols{grid-template-columns:1fr}
  .years{display:none}
  .brand{width:150px;height:76px}
  .brand--lg{width:180px}
  .ibm__logo img{height:64px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}