/* ===========================================================
   Data Net Analytics — brand stylesheet
   Palette taken from the company profile:
   navy #0a1233 / #0d1b3e, indigo #3b3ca5/#4338ca,
   blue #1d6fe0 (logo "DATA"), red #e6332a (logo "NET"),
   yellow #f5c518 (seals/nodes)
   =========================================================== */
:root{
  --navy-900:#070b22;
  --navy-800:#0a1233;
  --navy-700:#0d1b3e;
  --navy-600:#15224f;
  --indigo:#4338ca;
  --indigo-bright:#5b53e6;
  --blue:#1d6fe0;
  --blue-light:#3b8bf0;
  --red:#e6332a;
  --yellow:#f5c518;
  --ink:#10162e;
  --slate:#5a6480;
  --line:#e6e8f2;
  --bg:#ffffff;
  --bg-tint:#f4f5fb;
  --white:#ffffff;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 24px 60px -20px rgba(13,27,62,.35);
  --shadow-sm:0 10px 30px -12px rgba(13,27,62,.25);
  --container:1180px;
  --grad:linear-gradient(110deg,var(--blue) 0%,var(--indigo-bright) 55%,var(--red) 120%);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.brand__name{font-family:'Plus Jakarta Sans',sans-serif;line-height:1.12;letter-spacing:-.02em}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(var(--container),92%);margin-inline:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:700;font-size:.95rem;padding:.85rem 1.5rem;border-radius:999px;
  cursor:pointer;border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 14px 30px -10px rgba(67,56,202,.7)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -10px rgba(67,56,202,.85)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn--small{padding:.55rem 1.1rem;font-size:.85rem;background:var(--grad);color:#fff}
.btn--small:hover{transform:translateY(-1px)}
.btn--lg{font-size:1.05rem;padding:1.05rem 2.1rem}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:.3s ease;
  background:rgba(7,11,34,.0);padding:.5rem 0}
.nav.scrolled,.nav--solid{background:rgba(7,11,34,.92);backdrop-filter:blur(12px);box-shadow:0 8px 30px -15px rgba(0,0,0,.7)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:.7rem}
.brand__mark{width:42px;height:42px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 2px rgba(255,255,255,.15)}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__name{color:#fff;font-weight:800;font-size:1.1rem;letter-spacing:.04em}
.brand__name em{color:var(--red);font-style:normal}
.brand__sub{color:var(--blue-light);font-size:.62rem;letter-spacing:.42em;font-weight:600;margin-top:3px}
.nav__links{display:flex;align-items:center;gap:1.6rem}
.nav__links a{color:#cdd5ee;font-size:.92rem;font-weight:500;transition:.2s}
.nav__links a:hover{color:#fff}
.nav__links a.btn{color:#fff}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{width:26px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,#1a2a66 0%,transparent 60%),linear-gradient(160deg,var(--navy-900),var(--navy-700) 70%);color:#fff;padding:9.5rem 0 5.5rem;overflow:hidden;min-height:100vh;display:flex;align-items:center}

/* full-height single front page */
.hero--full{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:8rem 0 2rem}
.hero--full .hero__inner{flex:1}
.hero__foot{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:2.5rem;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;color:#8e9ac6;position:relative;z-index:1}
.hero__foot a{color:#aab4dc;transition:.2s}
.hero__foot a:hover{color:#fff}
.hero__bg{position:absolute;inset:0;background:
  radial-gradient(2px 2px at 20% 30%,rgba(245,197,24,.6),transparent),
  radial-gradient(2px 2px at 70% 60%,rgba(29,111,224,.6),transparent),
  radial-gradient(2px 2px at 40% 80%,rgba(230,51,42,.5),transparent),
  radial-gradient(1px 1px at 85% 25%,rgba(255,255,255,.6),transparent);
  opacity:.6;pointer-events:none}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--yellow);background:rgba(245,197,24,.12);border:1px solid rgba(245,197,24,.3);padding:.4rem .9rem;border-radius:999px;margin-bottom:1.4rem}
.hero__title{font-size:clamp(2.5rem,5.5vw,4rem);font-weight:800;margin-bottom:1.3rem}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{color:#c4cdec;font-size:1.08rem;max-width:34rem;margin-bottom:2rem}
.hero__lead strong{color:#fff}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.6rem}
.hero__stats{display:flex;gap:2.4rem}
.hero__stats div{display:flex;flex-direction:column}
.hero__stats strong{font-family:'Plus Jakarta Sans';font-size:2rem;color:#fff}
.hero__stats span{font-size:.82rem;color:#97a3cc}

.hero__art{position:relative;display:flex;align-items:center;justify-content:center;min-height:380px}
.hero__glow{position:absolute;width:80%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(67,56,202,.55),transparent 65%);filter:blur(20px)}
.hero__globe{position:relative;width:min(420px,90%);border-radius:50%;animation:float 6s ease-in-out infinite;filter:drop-shadow(0 30px 60px rgba(0,0,0,.6))}
.hero__chip{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px);color:#fff;font-size:.82rem;font-weight:600;padding:.55rem 1rem;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero__chip--1{top:8%;right:0;animation:float 5s ease-in-out infinite}
.hero__chip--2{bottom:10%;left:0;animation:float 7s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ---------- strip ---------- */
.strip{background:var(--navy-900);border-top:1px solid rgba(255,255,255,.06);padding:1rem 0}
.strip__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:1rem;color:#9fabd4;font-size:.88rem;font-weight:500;text-align:center}
.strip .dot{color:var(--indigo-bright)}

/* ---------- sections ---------- */
.section{padding:6rem 0;min-height:100vh;display:flex;flex-direction:column;justify-content:center}
.section>.container{width:min(var(--container),92%)}
.section--tint{background:var(--bg-tint)}
.section--dark{background:linear-gradient(160deg,var(--navy-800),var(--navy-700));color:#fff}
.kicker{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--indigo);margin-bottom:.8rem}
.kicker--light{color:var(--yellow)}
.section__title{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:800;margin-bottom:1.1rem}
.section__title--light{color:#fff}
.section__head{max-width:680px;margin:0 auto 3.2rem;text-align:center}
.muted{color:var(--slate);font-size:1.04rem;margin-bottom:1.1rem}
.muted.center{margin-inline:auto}
.section--dark .muted{color:#aab4dc}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.grid-2--media-left .mock{order:-1}

.ticks{list-style:none;margin-top:1.4rem;display:grid;gap:.8rem}
.ticks li{position:relative;padding-left:2rem;color:var(--ink);font-size:.98rem}
.ticks li::before{content:"";position:absolute;left:0;top:.45rem;width:1.1rem;height:1.1rem;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(67,56,202,.12)}
.ticks li::after{content:"✓";position:absolute;left:.22rem;top:.18rem;color:#fff;font-size:.7rem;font-weight:800}

/* about panels */
.about__panels{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm);transition:.25s}
.panel:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.panel__icon{font-size:1.6rem}
.panel h3{font-size:1.12rem;margin:.7rem 0 .4rem}
.panel p{color:var(--slate);font-size:.92rem}

/* guarantee */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.g-card{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:1.8rem 1.4rem;overflow:hidden;transition:.3s}
.g-card::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:.3s}
.g-card>*{position:relative;z-index:1}
.g-card:hover{transform:translateY(-6px);border-color:transparent}
.g-card:hover::before{opacity:.16}
.g-num{font-family:'Plus Jakarta Sans';font-size:1.6rem;font-weight:800;color:var(--yellow);display:block;margin-bottom:.6rem}
.g-card h3{font-size:1.08rem;color:#fff;margin-bottom:.5rem}
.g-card p{color:#aab4dc;font-size:.9rem}

/* mockups */
.mock{position:relative}
.mock img{border-radius:var(--radius);box-shadow:var(--shadow)}
.feature-rows{display:grid;gap:1.3rem;margin-top:1.8rem}
.feature-row{display:flex;gap:1rem;align-items:flex-start}
.fr-ico{flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;background:rgba(67,56,202,.1);border:1px solid rgba(67,56,202,.2)}
.feature-row h4{font-size:1.05rem;margin-bottom:.2rem}
.feature-row p{color:var(--slate);font-size:.93rem}

/* verify phones */
.verify__phones{position:relative;display:flex;justify-content:center;align-items:center;min-height:520px}
.phone{position:absolute;width:min(260px,62%);border-radius:34px;box-shadow:var(--shadow)}
.phone--back{transform:translate(-32%,-6%) rotate(-7deg);width:min(240px,56%);opacity:.96}
.phone--front{transform:translate(28%,8%) rotate(6deg)}

/* products */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;margin-bottom:3rem}
.product{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.28s;display:flex;flex-direction:column}
.product:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:transparent}
.product__img{aspect-ratio:1/1;background:linear-gradient(160deg,var(--navy-800),var(--navy-600));display:grid;place-items:center;padding:1.4rem}
.product__img img{border-radius:10px;box-shadow:0 10px 24px -10px rgba(0,0,0,.6);max-height:100%;width:auto}
.product__body{padding:1.4rem 1.4rem 1.7rem}
.product__size{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--indigo);background:rgba(67,56,202,.09);padding:.25rem .65rem;border-radius:999px;margin-bottom:.7rem}
.product h3{font-size:1.18rem;margin-bottom:.5rem}
.product p{color:var(--slate);font-size:.9rem}
.products-hero{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000}
.products-hero img{width:100%}

/* sectors */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.sector{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:2.2rem 1.8rem;text-align:center;transition:.3s}
.sector:hover{transform:translateY(-6px);background:rgba(255,255,255,.07)}
.sector__ico{font-size:2.4rem;display:block;margin-bottom:1rem}
.sector h3{color:#fff;font-size:1.25rem;margin-bottom:.6rem}
.sector p{color:#aab4dc;font-size:.94rem}

/* cta */
.cta{background:
  radial-gradient(900px 400px at 50% -20%,rgba(91,83,230,.5),transparent 60%),
  linear-gradient(160deg,var(--navy-900),var(--navy-700));
  color:#fff;text-align:center;padding:6rem 0;min-height:100vh;display:flex;align-items:center}
.cta__inner{max-width:680px;margin:0 auto}
.cta h2{font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800;margin:.6rem 0 1rem}
.cta p{color:#bcc6ea;font-size:1.08rem;margin-bottom:2rem}
.cta__note{font-size:.88rem;color:#8e9ac6;margin-top:1.4rem}

/* footer */
.footer{background:var(--navy-900);color:#cdd5ee;padding:3.4rem 0 1.6rem}
.footer__inner{display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.08)}
.footer__brand{display:flex;align-items:center;gap:1rem}
.footer__brand .brand__name{font-size:1.05rem}
.footer__brand .brand__name em{color:var(--red);font-style:normal}
.footer__tag{font-size:.86rem;color:#8e9ac6;margin-top:.2rem}
.footer__links{display:flex;gap:1.6rem;flex-wrap:wrap}
.footer__links a{color:#aab4dc;font-size:.92rem;transition:.2s}
.footer__links a:hover{color:#fff}
.footer__base{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1.4rem;font-size:.84rem;color:#7e8ab6}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .guarantee-grid{grid-template-columns:repeat(2,1fr)}
  .products-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .nav__links{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:rgba(7,11,34,.98);backdrop-filter:blur(12px);padding:1.5rem 2rem 2rem;gap:1.2rem;transform:translateY(-130%);transition:.35s ease;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav__links.open{transform:translateY(0)}
  .nav__toggle{display:flex}
  .nav.scrolled,.nav{background:rgba(7,11,34,.92);backdrop-filter:blur(12px)}
  .hero__inner{grid-template-columns:1fr;text-align:center}
  .hero__lead{margin-inline:auto}
  .hero__actions,.hero__stats{justify-content:center}
  .hero__art{order:-1;min-height:300px;margin-bottom:1rem}
  .grid-2{grid-template-columns:1fr;gap:2.4rem}
  .grid-2--media-left .mock{order:0}
  .about__panels{grid-template-columns:1fr 1fr}
  .sectors{grid-template-columns:1fr}
  .verify__phones{min-height:430px}
}
@media(max-width:520px){
  .section{padding:4rem 0}
  .hero{padding:8rem 0 4rem}
  .guarantee-grid,.products-grid,.about__panels{grid-template-columns:1fr}
  .hero__stats{gap:1.4rem}
  .footer__inner{flex-direction:column;align-items:flex-start}
}