/* =========================================================
   WTechSystems — Landing page
   Brand: deep navy · electric blue · cyan · royal purple
   ========================================================= */
:root{
  --navy-900:#050d1f;
  --navy-800:#071531;
  --navy-700:#0b1d42;
  --blue:#1673ff;
  --blue-600:#0f5fe6;
  --blue-400:#3b8bff;
  --cyan:#25c8f2;
  --purple:#6b3cf0;
  --purple-700:#2c1673;
  --purple-900:#1b0d4a;
  --ink:#0b1530;
  --text:#4a5571;
  --muted:#6b7590;
  --line:#e6ebf4;
  --bg:#ffffff;
  --soft:#f5f8fd;
  --white:#fff;
  --r-sm:8px; --r:12px; --r-lg:18px;
  --shadow:0 6px 24px rgba(13,35,80,.07);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Outfit','Inter',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,monospace;
  --container:1320px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--navy-900);-webkit-font-smoothing:antialiased;line-height:1.5}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 clamp(16px,3.5vw,56px)}

/* icons */
.ic{width:22px;height:22px;flex:none}
.ic.sm{width:16px;height:16px}
.ic.xs{width:13px;height:13px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:15px;border-radius:var(--r-sm);padding:13px 24px;transition:.2s ease;white-space:nowrap;border:1.5px solid transparent}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:16px 28px;font-size:16px;border-radius:10px}
.btn-primary{background:linear-gradient(180deg,#1f7cff,#0e63ee);color:#fff;box-shadow:0 8px 22px rgba(22,115,255,.35)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(22,115,255,.45)}
.btn-ghost{color:#fff;border-color:rgba(118,160,255,.75);background:rgba(10,24,60,.35)}
.btn-ghost:hover{background:rgba(40,90,200,.25);border-color:#8fb3ff}
.btn-white{background:#fff;color:var(--blue-600);border-color:#fff}
.btn-white:hover{background:#eef4ff}
.btn-outline-purple{color:#fff;border-color:#8a63ff;background:rgba(60,30,150,.35)}
.btn-outline-purple:hover{background:rgba(110,70,240,.35)}
.btn .ic.sm{transition:transform .2s}
.btn:hover .ic.sm{transform:translateX(3px)}

/* ================= HEADER ================= */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;height:74px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:52px;height:36px}
.brand-text{display:grid;grid-template-columns:auto auto;line-height:1;color:var(--ink)}
.brand-text strong{font-family:var(--display);font-weight:800;font-size:21px;letter-spacing:.3px}
.brand-text>span{font-family:var(--display);font-weight:500;font-size:21px;letter-spacing:.3px}
.brand-text small{grid-column:1/-1;font-size:7.4px;font-weight:700;letter-spacing:.35px;margin-top:5px;color:var(--ink)}
.brand-light .brand-text,.brand-light .brand-text small{color:#fff}

.main-nav{margin:0 auto}
.main-nav ul{display:flex;gap:38px}
.main-nav a{font-weight:500;font-size:15px;color:var(--ink);position:relative;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--blue);transform:scaleX(0);transition:.2s}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:22px}

.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:7px;font-weight:500;font-size:15px}
.lang-btn .ic:first-child{width:20px;height:20px}
.lang-menu{position:absolute;right:0;top:calc(100% + 10px);background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:10px;box-shadow:0 14px 40px rgba(10,30,70,.15);padding:6px;min-width:150px;opacity:0;visibility:hidden;transform:translateY(-4px);transition:.18s;z-index:5}
.lang-menu.up{top:auto;bottom:calc(100% + 10px)}
.lang-menu a{display:block;padding:8px 12px;border-radius:6px;font-size:14px}
.lang-menu a:hover{background:var(--soft)}
.lang.open .lang-menu{opacity:1;visibility:visible;transform:none}
.burger{display:none}

/* ================= HERO ================= */
.hero{position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 500px at 15% 10%,rgba(30,70,160,.25),transparent 60%),
    linear-gradient(180deg,#071228 0%,#06122a 100%);
  padding:26px 0 52px}
.hero-bg{position:absolute;top:0;right:0;width:56%;aspect-ratio:574/337;
  background:url(../img/hero-bg.jpg) right top/cover no-repeat}
.hero-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#071228 0%,rgba(7,18,40,.5) 10%,transparent 28%),linear-gradient(0deg,#06122a 0%,transparent 18%);pointer-events:none}
.hero-inner{position:relative;z-index:2;min-height:300px}
.hero-copy{max-width:560px}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:1.6px;color:#dfe8ff;margin-bottom:12px}
.eyebrow i{font-style:normal;margin:0 6px;color:#9db2e6}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(38px,4.9vw,64px);line-height:1.04;letter-spacing:-.5px}
.grad{background:linear-gradient(90deg,#27c9f3 0%,#2d8cff 60%,#3a7bff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin-top:22px;font-size:17px;line-height:1.55;color:#dbe4f7;max-width:460px}
.hero-btns{display:flex;gap:16px;margin-top:28px;flex-wrap:wrap}

.hero-checks{position:absolute;left:21.8%;top:52.8%;width:35.2%;min-width:220px;padding:14px 20px;border-radius:12px;z-index:3}
.glass{background:rgba(14,30,70,.72);border:1px solid rgba(140,175,255,.35);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 10px 40px rgba(0,0,0,.35)}
.hero-checks li{display:flex;align-items:center;gap:12px;font-size:clamp(12px,1.1vw,14.5px);padding:6px 0;color:#eef3ff}
.tick{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:rgba(160,190,255,.25);border:1px solid rgba(180,205,255,.6);flex:none}
.tick .ic{width:12px;height:12px;stroke-width:3}

.hero-features{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;margin-top:30px}
.hf{display:flex;gap:16px;align-items:center;padding-right:24px}
.hf+.hf{border-left:1px solid rgba(255,255,255,.18);padding-left:24px}
.hf-ic .ic{width:30px;height:30px;color:#3a9bff}
.hf strong{display:block;font-size:14.5px;font-weight:600}
.hf span span,.hf div>span{display:block;font-size:13px;color:#b8c5e2}

/* ================= SHEET (white body) ================= */
.sheet{position:relative;z-index:3;background:#fff;border-radius:22px 22px 0 0;margin-top:-28px;padding-bottom:10px}
.section{padding:22px 0 22px}
.section-tight{padding:18px 0}
.sec-head{text-align:center;margin-bottom:16px}
.kicker{font-size:12px;font-weight:700;letter-spacing:1.4px;color:var(--blue)}
.sec-head h2{font-family:var(--display);font-weight:700;font-size:clamp(26px,3vw,36px);margin-top:4px;color:var(--ink);letter-spacing:-.3px}
.sec-head p:last-child{font-size:15px;color:var(--text);margin-top:2px}
.sec-head-sm h2{font-size:clamp(22px,2.3vw,26px)}
.sec-head-sm p:last-child{font-size:13px}

/* product cards */
.products{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pcard{position:relative;border-radius:var(--r-lg);overflow:hidden;color:#fff;display:flex;min-height:368px;isolation:isolate}
.pcard-blue{background:
  radial-gradient(520px 340px at 85% 30%,rgba(40,140,255,.35),transparent 70%),
  radial-gradient(500px 300px at 0% 100%,rgba(20,90,220,.35),transparent 70%),
  linear-gradient(135deg,#0a3a8c 0%,#082b6e 40%,#051a46 100%);
  border:1px solid rgba(70,140,255,.5)}
.pcard-purple{background:
  radial-gradient(500px 340px at 20% 20%,rgba(110,60,240,.35),transparent 70%),
  linear-gradient(135deg,#2a1470 0%,#1d0e55 50%,#130a3a 100%);
  border:1px solid rgba(130,90,255,.45)}
.pcard-blue::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.35;
  background-image:radial-gradient(rgba(130,190,255,.5) 1px,transparent 1.2px);background-size:22px 22px;mask:linear-gradient(90deg,transparent 30%,#000)}
.pcard-body{flex:1;padding:22px 22px 34px;display:flex;flex-direction:column}
.pcard-title{display:flex;gap:16px;align-items:center;margin-bottom:22px}
.pcard h3{font-family:var(--display);font-weight:700;font-size:27px;line-height:1.1}
.pcard .sub{font-size:13.5px;margin-top:4px}
.pcard-blue .sub{color:#4fc3ff}
.pcard-purple .sub{color:#a98bff}
.badge-ic{position:relative;width:50px;height:50px;border-radius:12px;display:grid;place-items:center;flex:none}
.badge-blue{background:linear-gradient(145deg,#2aa0ff,#0c62e8);box-shadow:0 8px 20px rgba(20,120,255,.45)}
.badge-blue .ic{width:30px;height:30px;color:#0b3c99}
.badge-blue b{position:absolute;font-family:var(--display);font-size:15px;color:#fff;top:50%;left:50%;transform:translate(-50%,-48%)}
.badge-purple{background:linear-gradient(145deg,#8a5cff,#5b2fe0);box-shadow:0 8px 20px rgba(110,60,240,.45)}
.badge-purple .ic{width:28px;height:28px;color:#fff}
.desc{font-size:14px;line-height:1.5;color:#e2e9fb;max-width:300px}
.pcard .checks{margin:16px 0 22px;display:grid;gap:9px}
.pcard .checks li{display:flex;align-items:center;gap:12px;font-size:14px}
.tick-blue{background:#1e8cff;border-color:#4daaff}
.tick-purple{background:#7a50f5;border-color:#9b7bff}
.tick-blue .ic,.tick-purple .ic{color:#fff}
.pcard .btn{align-self:flex-start;margin-top:auto}

.phone-wrap{flex:0 0 37%;display:flex;align-items:flex-end;justify-content:center;padding:18px 18px 0 0}
.phone-wrap img{width:100%;max-width:210px;border-radius:24px 24px 0 0;mask:linear-gradient(180deg,#000 92%,transparent)}

.code-panel{flex:0 0 44%;margin:22px 0 22px;margin-right:0;background:rgba(10,8,40,.55);border:1px solid rgba(130,100,255,.25);border-radius:12px 0 0 12px;border-right:0;padding:10px;position:relative;font-family:var(--mono);font-size:10px}
.tabs{display:flex;border-bottom:1px solid rgba(140,120,255,.25);margin:-2px -2px 6px}
.tabs button{flex:1;padding:8px 6px;font-family:var(--font);font-size:10.5px;color:#cfc6ff;border-radius:6px 6px 0 0}
.tabs button.active{background:rgba(120,90,255,.25);color:#fff;font-weight:600}
.copy{position:absolute;right:12px;top:44px;font-family:var(--font);font-size:10.5px;color:#cfc6ff;display:flex;gap:4px;align-items:center}
.copy:hover{color:#fff}
.tab-pane{display:none;padding-top:16px}
.tab-pane.active{display:block}
.code-box{background:rgba(6,6,30,.7);border:1px solid rgba(130,110,255,.22);border-radius:8px;overflow:hidden;margin-bottom:10px}
.code-head{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:rgba(255,255,255,.04);border-bottom:1px solid rgba(130,110,255,.18);color:#fff;font-size:10px}
.code-head .ic{color:#8f86c8}
.code-head .ok{color:#3ee08a;font-family:var(--font);font-weight:600}
pre{margin:0;padding:10px 12px;color:#d9d4ff;white-space:pre;overflow-x:auto;line-height:1.55}
pre k{color:#ff9d5c}
pre s{color:#a5f36a;text-decoration:none}
pre b{color:#ffcf5c;font-weight:400}
pre i{color:#7f78b0}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:14px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow);padding:16px 0}
.stat{display:flex;align-items:center;gap:16px;padding:4px 22px}
.stat+.stat{border-left:1px solid var(--line)}
.stat-ic .ic{width:34px;height:34px;color:var(--blue)}
.stat strong{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.stat div span{display:block;font-size:11.5px;color:var(--muted)}

/* use cases */
.usecases{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.uc{display:flex;flex-direction:column;align-items:center;text-align:center;padding:16px 12px 18px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--shadow);transition:.2s}
.uc:hover{transform:translateY(-3px);border-color:#bcd4ff;box-shadow:0 12px 30px rgba(22,115,255,.12)}
.uc-ic .ic{width:30px;height:30px;color:var(--blue)}
.uc h3{font-size:13.5px;font-weight:700;margin-top:10px;color:var(--ink)}
.uc p{font-size:12.5px;color:var(--muted);line-height:1.35;margin-top:2px}

/* partners */
.partners{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding:6px 10px 4px}
.partners li{display:flex;align-items:center;gap:8px;color:#4c5572;font-size:16px;font-weight:500;filter:grayscale(1);opacity:.9;transition:.2s}
.partners li:hover{opacity:1;color:var(--ink)}
.partners .ic{width:28px;height:28px;stroke-width:1.6}
.partners li.stacked span{display:flex;flex-direction:column;line-height:1;font-weight:700;letter-spacing:1px;font-size:14px}
.partners small{font-size:8px;letter-spacing:3px;font-weight:500;margin-top:3px}

/* CTA */
.cta-wrap{padding-top:10px;padding-bottom:8px}
.cta{position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 30px;
  background:url(../img/cta-globe.jpg) right center/auto 100% no-repeat,linear-gradient(90deg,#071a45,#06163b)}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#071a45 30%,rgba(7,26,69,.2) 60%,rgba(7,26,69,.55));pointer-events:none}
.cta>*{position:relative}
.cta h2{font-family:var(--display);font-weight:700;font-size:clamp(20px,2.2vw,26px)}
.cta p{font-size:14px;color:#d2ddf5;max-width:430px;margin-top:6px}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.cta-btns .btn{padding:12px 24px;font-size:14px}

/* ================= FOOTER ================= */
.site-footer{background:var(--navy-900);color:#c6d0e6;padding:20px 0 14px}
.footer-top{display:flex;align-items:flex-start;gap:40px}
.footer-top .brand{margin-top:6px}
.footer-cols{display:flex;gap:70px;margin-left:auto;margin-right:auto}
.footer-col h4{color:#fff;font-size:13px;font-weight:600;margin-bottom:8px}
.footer-col li{font-size:12px;line-height:1.45}
.footer-col li+li{margin-top:2px}
.footer-col a:hover,.legal a:hover{color:#fff}
.footer-social{display:flex;gap:22px;align-items:center;align-self:center}
.footer-social .ic{width:22px;height:22px;color:#fff}
.footer-social a:hover .ic{color:var(--cyan)}
.lang-footer{align-self:center;margin-left:30px;color:#fff}
.lang-footer .lang-btn{font-size:13px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:11.5px}
.legal{display:flex}
.legal li+li{border-left:1px solid #3a4560;margin-left:14px;padding-left:14px}

/* modal */
.modal{position:fixed;inset:0;z-index:100;background:rgba(3,8,22,.8);display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal-box{position:relative;width:min(900px,100%)}
.modal-video{aspect-ratio:16/9;background:#000;border-radius:12px;overflow:hidden}
.modal-video iframe{width:100%;height:100%;border:0}
.modal-close{position:absolute;top:-42px;right:0;color:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ================= RESPONSIVE ================= */
@media (max-width:980px){
  .main-nav ul{gap:24px}
  .usecases{grid-template-columns:repeat(3,1fr)}
  .products{grid-template-columns:1fr}
  .hero-features{grid-template-columns:repeat(2,1fr);gap:18px}
  .hf+.hf{border-left:0;padding-left:0}
  .stats{grid-template-columns:repeat(2,1fr);row-gap:14px}
  .stat:nth-child(3){border-left:0}
}
@media (max-width:900px){
  .burger{display:inline-flex}
  .main-nav{position:fixed;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 18px;transform:translateY(-120%);transition:.25s;z-index:-1;box-shadow:0 10px 30px rgba(0,0,0,.08)}
  .main-nav.open{transform:none}
  .main-nav ul{flex-direction:column;gap:4px}
  .main-nav a{display:block;padding:10px 0}
  .nav-actions .lang{display:none}
  .hero{padding-top:0}
  .hero-bg{position:relative;width:100%;aspect-ratio:574/337;min-height:0}
  .hero-bg::before{background:linear-gradient(0deg,#071228 0%,transparent 30%)}
  .hero-inner{margin-top:-20px}
  .footer-top{flex-wrap:wrap}
  .footer-cols{margin:0;gap:40px;width:100%;order:3}
  .lang-footer{margin-left:auto}
}
@media (max-width:640px){
  .nav-actions .btn{display:none}
  .pcard{flex-direction:column}
  .phone-wrap{padding:0 20px;flex-basis:auto}
  .code-panel{margin:0 14px 18px;border-radius:12px;border-right:1px solid rgba(130,100,255,.25)}
  .hero-features,.stats{grid-template-columns:1fr}
  .stat{border-left:0!important}
  .usecases{grid-template-columns:repeat(2,1fr)}
  .cta{flex-direction:column;align-items:flex-start;background-size:auto 60%;background-position:right bottom}
  .partners{justify-content:center}
  .footer-cols{flex-wrap:wrap;gap:28px}
  .footer-bottom{flex-direction:column;gap:10px;align-items:flex-start}
  .legal{flex-wrap:wrap;row-gap:6px}
}

/* fine-tuning for laptop widths */
.main-nav a{white-space:nowrap}
@media (max-width:1200px){
  .main-nav ul{gap:26px}
  .main-nav a{font-size:14.5px}
  .nav-actions{gap:16px}
  .pcard h3{font-size:24px}
  .pcard .sub{font-size:12.5px}
  .desc,.pcard .checks li{font-size:13px}
  .pcard-body{padding:20px 18px 28px}
  .phone-wrap{flex-basis:34%}
  .code-panel{flex-basis:46%}
  .stat{padding:4px 16px;gap:12px}
  .stat strong{font-size:13px}
  .stat-ic .ic{width:30px;height:30px}
}