/* ===== NEXUM Software & Network — styles ===== */
:root{
  --blue:#2e8bf5;
  --blue-2:#1565d8;
  --blue-deep:#0c4bb3;
  --ink:#0b1220;
  --ink-2:#16213a;
  --navy:#0a1730;
  --slate:#475569;
  --slate-2:#64748b;
  --line:#e6ebf3;
  --bg:#ffffff;
  --bg-alt:#f5f8fd;
  --white:#fff;
  --radius:18px;
  --shadow:0 18px 50px -22px rgba(13,40,90,.28);
  --shadow-sm:0 6px 22px -10px rgba(13,40,90,.25);
  --maxw:1160px;
  --grad:linear-gradient(120deg,#2e8bf5 0%,#1565d8 60%,#0c4bb3 100%);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-d:'Space Grotesk','Inter',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--blue-2);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-weight:700;font-family:var(--font);font-size:.97rem;
  padding:.7em 1.3em;border-radius:999px;border:1.5px solid transparent;
  background:var(--grad);color:#fff;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;
  box-shadow:0 10px 26px -12px rgba(46,139,245,.7);white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(46,139,245,.85);color:#fff}
.btn--sm{padding:.55em 1.1em;font-size:.9rem}
.btn--lg{padding:.9em 1.7em;font-size:1.05rem}
.btn--ghost{background:transparent;color:var(--blue-2);border-color:rgba(46,139,245,.45);box-shadow:none}
.btn--ghost:hover{background:rgba(46,139,245,.08);color:var(--blue-2)}
.btn--light{background:#fff;color:var(--blue-2);box-shadow:0 14px 34px -14px rgba(0,0,0,.5)}
.btn--light:hover{color:var(--blue-deep);background:#fff}

/* ===== Nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .3s}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav{background:rgba(255,255,255,0);}
.nav.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line),0 8px 30px -20px rgba(13,40,90,.4)}
.nav__brand{display:flex;align-items:center;gap:10px}
.nav__emblem{width:36px;height:36px}
.nav__word{font-family:var(--font-d);font-weight:700;font-size:1.18rem;line-height:1;
  color:var(--ink);display:flex;flex-direction:column;letter-spacing:.5px}
.nav__word small{font-size:.5rem;letter-spacing:3px;font-weight:600;color:var(--slate-2);margin-top:3px}
.nav.scrolled .nav__word{color:var(--ink)}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{color:var(--ink-2);font-weight:600;font-size:.95rem}
.nav__links a:not(.btn):hover{color:var(--blue)}
.nav__links a.btn{color:#fff}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.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)}

/* ===== Hero ===== */
.hero{position:relative;padding:140px 0 90px;overflow:hidden;
  background:radial-gradient(1100px 600px at 80% -10%,#eaf2ff 0%,#fff 55%)}
.hero__glow{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 360px at 88% 18%,rgba(46,139,245,.18),transparent 70%);}
.hero__inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;font-family:var(--font-d);font-weight:600;font-size:.8rem;
  letter-spacing:2px;text-transform:uppercase;color:var(--blue-2);
  background:rgba(46,139,245,.1);padding:.4em 1em;border-radius:999px;margin-bottom:22px}
.hero h1{font-family:var(--font-d);font-weight:700;font-size:clamp(2.4rem,5.5vw,4rem);
  line-height:1.04;letter-spacing:-1px;color:var(--ink)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{margin:26px 0 32px;font-size:1.12rem;color:var(--slate);max-width:560px}
.hero__lead strong{color:var(--ink-2)}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px;max-width:560px}
.hero__stats div{display:flex;flex-direction:column}
.hero__stats strong{font-family:var(--font-d);color:var(--blue-2);font-size:1.05rem}
.hero__stats span{font-size:.82rem;color:var(--slate-2)}
.hero__art{display:flex;justify-content:center;align-items:center}
.hero__emblem{width:min(360px,80%);filter:drop-shadow(0 30px 60px rgba(46,139,245,.4));
  animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-16px) rotate(3deg)}}

/* ===== Sections ===== */
.section{padding:92px 0}
.section--alt{background:var(--bg-alt)}
.section__head{max-width:740px;margin:0 auto 54px;text-align:center}
.kicker{display:inline-block;font-family:var(--font-d);font-weight:600;font-size:.78rem;
  letter-spacing:2.5px;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.kicker--light{color:#bcd6ff}
.section h2{font-family:var(--font-d);font-weight:700;font-size:clamp(1.7rem,3.4vw,2.5rem);
  line-height:1.12;letter-spacing:-.5px;color:var(--ink)}
.section__sub{margin-top:18px;color:var(--slate);font-size:1.08rem}
.section__sub strong{color:var(--ink-2)}

/* ===== Grid & Cards ===== */
.grid{display:grid;gap:26px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(46,139,245,.4)}
.card__icon{width:54px;height:54px;display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;border-radius:14px;background:rgba(46,139,245,.1);margin-bottom:18px}
.card h3{font-family:var(--font-d);font-size:1.25rem;margin-bottom:10px;color:var(--ink)}
.card p{color:var(--slate);font-size:.98rem}
.card--svc:hover{transform:translateY(-6px)}

/* ===== Steps ===== */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step__n{font-family:var(--font-d);font-weight:700;font-size:1.05rem;color:#fff;
  display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;
  background:var(--grad);border-radius:12px;margin-bottom:16px}
.step h3{font-family:var(--font-d);font-size:1.08rem;margin-bottom:8px;color:var(--ink)}
.step p{color:var(--slate);font-size:.92rem}

/* ===== Showcase projects ===== */
.proj{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;cursor:pointer;
  transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.proj:hover,.proj:focus-visible{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(46,139,245,.4);outline:none}
.proj__thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.proj__thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .5s}
.proj:hover .proj__thumb img{transform:scale(1.05)}
.proj__body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.proj__cat{font-family:var(--font-d);font-size:.72rem;letter-spacing:1.2px;text-transform:uppercase;
  font-weight:600;color:var(--blue-2);background:rgba(46,139,245,.1);padding:.35em .85em;border-radius:999px;align-self:flex-start;margin-bottom:12px}
.proj__live{position:absolute;top:12px;right:12px;font-size:.7rem;font-weight:700;color:#fff;letter-spacing:.5px;
  text-transform:uppercase;background:rgba(22,163,74,.95);padding:.3em .7em;border-radius:999px;box-shadow:0 4px 12px -4px rgba(0,0,0,.5)}
.proj h3{font-family:var(--font-d);font-size:1.25rem;margin-bottom:10px;color:var(--ink)}
.proj__body p{color:var(--slate);font-size:.94rem;flex:1}
.proj__tags{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.proj__tags li{font-size:.76rem;font-weight:600;color:var(--ink-2);background:var(--bg-alt);
  border:1px solid var(--line);padding:.3em .7em;border-radius:8px}
.proj__more{margin-top:16px;font-family:var(--font-d);font-weight:600;font-size:.9rem;color:var(--blue-2);transition:gap .2s}
.proj:hover .proj__more{color:var(--blue)}
.showcase__foot{text-align:center;margin-top:44px;color:var(--slate-2);font-size:1.02rem;max-width:720px;margin-left:auto;margin-right:auto}
.showcase__foot strong{color:var(--ink-2)}

/* ===== Project modal ===== */
.modal{position:fixed;inset:0;z-index:200;display:none}
.modal.open{display:block}
.modal__overlay{position:absolute;inset:0;background:rgba(8,16,32,.62);backdrop-filter:blur(4px);animation:fade .25s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal__dialog{position:relative;max-width:1080px;width:calc(100% - 32px);max-height:92vh;overflow-y:auto;
  margin:4vh auto;background:#fff;border-radius:22px;box-shadow:0 40px 100px -30px rgba(8,16,32,.7);
  animation:pop .3s cubic-bezier(.2,.8,.3,1)}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
.modal__close{position:sticky;top:14px;float:right;margin:14px 18px 0 0;z-index:3;width:40px;height:40px;border:0;
  border-radius:50%;background:#fff;color:var(--ink);font-size:1.6rem;line-height:1;cursor:pointer;
  box-shadow:var(--shadow-sm);transition:.2s}
.modal__close:hover{background:var(--ink);color:#fff;transform:rotate(90deg)}
.modal__head{padding:30px 36px 22px;border-bottom:1px solid var(--line)}
.modal__head .proj__cat{margin-bottom:14px}
.modal__head h3{font-family:var(--font-d);font-size:clamp(1.5rem,3vw,2.1rem);color:var(--ink);line-height:1.1}
.modal__tagline{color:var(--slate);font-size:1.05rem;margin-top:8px}
.modal__live{display:inline-block;margin-top:14px;font-weight:700;font-size:.92rem;color:#fff;
  background:var(--grad);padding:.55em 1.1em;border-radius:999px;box-shadow:0 10px 24px -12px rgba(46,139,245,.7)}
.modal__live:hover{color:#fff;transform:translateY(-1px)}
.modal__live[hidden]{display:none}
.modal__grid{display:grid;grid-template-columns:1.55fr 1fr;gap:0}
.modal__gallery{padding:26px 22px 30px 36px;display:flex;flex-direction:column;gap:18px;background:var(--bg-alt)}
.shot{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.shot img{width:100%;display:block;cursor:zoom-in;transition:transform .3s}
.shot.zoom{position:relative}
.shot.zoom img{cursor:zoom-out}
.shot figcaption{font-size:.82rem;color:var(--slate-2);padding:10px 14px;border-top:1px solid var(--line);background:#fff}
.modal__side{padding:26px 36px 34px 28px}
.modal__text p{color:var(--slate);font-size:.97rem;margin-bottom:12px}
.modal__side h4{font-family:var(--font-d);font-size:.95rem;color:var(--blue-2);text-transform:uppercase;
  letter-spacing:1px;margin:22px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.modal__feats{list-style:none;display:flex;flex-direction:column;gap:9px}
.modal__feats li{position:relative;padding-left:26px;color:var(--ink-2);font-size:.93rem}
.modal__feats li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 3px rgba(46,139,245,.15)}
.modal__feats li::after{content:"✓";position:absolute;left:3px;top:5px;color:#fff;font-size:.62rem;font-weight:900}
.modal__tech{margin-top:0}

/* ===== Tech ===== */
.tech{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tech__group{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm)}
.tech__group h4{font-family:var(--font-d);font-size:1.05rem;color:var(--blue-2);margin-bottom:16px;
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.tech__group ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.tech__group li{font-size:.86rem;font-weight:600;color:var(--ink-2);background:var(--bg-alt);
  border:1px solid var(--line);padding:.42em .85em;border-radius:9px;transition:.2s}
.tech__group li:hover{background:rgba(46,139,245,.1);border-color:rgba(46,139,245,.4);color:var(--blue-2)}

/* ===== AI section ===== */
.section--ai{background:var(--navy);position:relative;overflow:hidden;color:#dbe6f7}
.section--ai::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 380px at 15% 10%,rgba(46,139,245,.28),transparent 65%),
  radial-gradient(600px 360px at 90% 90%,rgba(12,75,179,.4),transparent 60%)}
.ai__inner{position:relative;max-width:880px}
.section--ai h2{color:#fff}
.ai__copy>p{margin-top:18px;font-size:1.12rem;color:#bcd0ed}
.ai__cols{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:34px}
.ai__cols h4{font-family:var(--font-d);font-size:1.12rem;color:#fff;margin-bottom:10px;
  display:flex;align-items:center;gap:8px}
.ai__cols h4::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--blue);
  box-shadow:0 0 14px 2px rgba(46,139,245,.9)}
.ai__cols p{color:#a9bfe0;font-size:.98rem}

/* ===== CTA ===== */
.section--cta{background:var(--grad);text-align:center;position:relative;overflow:hidden}
.section--cta::after{content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 50% 120%,rgba(255,255,255,.25),transparent 60%)}
.cta{position:relative;max-width:720px}
.section--cta h2{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem)}
.cta__lead{color:rgba(255,255,255,.9);font-size:1.12rem;margin:20px auto 32px;max-width:560px}

/* ===== Footer ===== */
.footer{background:var(--ink);color:#9fb0cc;padding-top:64px}
.footer__inner{display:grid;grid-template-columns:1.1fr 2fr;gap:48px;padding-bottom:48px}
.footer__logo{width:190px;background:#fff;padding:14px 18px;border-radius:12px;margin-bottom:16px}
.footer__brand p{font-size:.95rem;max-width:280px}
.footer__info{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer__info h5{font-family:var(--font-d);color:#fff;font-size:.95rem;margin-bottom:10px;letter-spacing:.5px}
.footer__info p{font-size:.92rem;line-height:1.7}
.footer__info a{color:#7fb3ff}
.footer__bar{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer__bar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.82rem;color:#6b7d9c}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero__emblem{animation:none}
  html{scroll-behavior:auto}
}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero__copy{order:2}.hero__art{order:1;margin-bottom:10px}
  .hero__emblem{width:220px}
  .hero__lead,.hero__stats{margin-left:auto;margin-right:auto}
  .hero__cta{justify-content:center}
  .grid--3,.tech{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .ai__cols{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav__links{position:fixed;top:72px;right:0;left:0;flex-direction:column;gap:0;
    background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
    padding:10px 0;box-shadow:0 20px 40px -20px rgba(13,40,90,.4);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.28s;border-top:1px solid var(--line)}
  .nav__links.open{transform:none;opacity:1;pointer-events:auto}
  .nav__links a{width:100%;padding:14px 24px}
  .nav__links a.btn{margin:10px 24px;width:auto;justify-content:center}
  .nav__toggle{display:flex}
  .nav{background:rgba(255,255,255,.9);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
  .grid--3,.tech,.steps{grid-template-columns:1fr}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .section{padding:68px 0}
  .hero{padding:120px 0 70px}
}

/* ===== Modal responsive ===== */
@media(max-width:860px){
  .modal__grid{grid-template-columns:1fr}
  .modal__gallery{padding:22px 20px;order:2}
  .modal__side{padding:24px 24px 30px}
  .modal__head{padding:26px 24px 20px}
}