/* Pinggg by SunXperience — pinggg.app  ·  mobile-first, hybrid bold + premium */
:root{
  --blue:#2F6BFF;--blue-d:#1E4FD6;--blue-l:#6AA1FF;--cyan:#39E0FF;--green:#2BD9A0;--coral:#FF6A4D;--amber:#FFB23E;
  --ink:#070A11;--ink2:#0B1018;--surface:#111826;--elev:#18223A;--line:#22304A;
  --label:#F4F7FC;--label2:#9CA9BE;--label3:#5A6478;
  --grad:linear-gradient(120deg,#2F6BFF,#39E0FF);
  --r:18px;--rl:26px;--maxw:1180px;
  --font:'Inter','SF Pro Display',system-ui,-apple-system,Segoe UI,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--ink);color:var(--label);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{padding:56px 0}
h1{font-size:clamp(34px,9vw,68px);font-weight:900;letter-spacing:-.03em;line-height:1.02}
h2{font-size:clamp(26px,6.4vw,40px);font-weight:850;font-weight:800;letter-spacing:-.02em;line-height:1.08;margin-bottom:12px}
h3{font-size:clamp(18px,4.6vw,21px);font-weight:700}
p{color:#c8d0de}
.muted{color:var(--label2)}.small{font-size:14px}.center{text-align:center}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.kicker{font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);display:inline-block}
.lead{font-size:clamp(16px,4.2vw,20px);color:#c8d0de;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(47,107,255,.12);border:1px solid rgba(47,107,255,.34);color:var(--blue-l);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:14px}
/* nav */
header.nav{position:sticky;top:0;z-index:80;background:rgba(7,10,17,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;letter-spacing:-.02em}
.brand img{width:28px;height:28px}
.navlinks{display:none}
.navtoggle{background:none;border:0;color:var(--label);font-size:24px;cursor:pointer;line-height:1}
.langswitch{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);color:var(--label2);font-size:13px;font-weight:700;padding:7px 12px;border-radius:999px;text-decoration:none;white-space:nowrap}
.langswitch:hover{color:var(--label);border-color:var(--blue-l)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:13px 22px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .12s,filter .15s,background .15s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);color:#04101f}.btn-primary:hover{filter:brightness(1.08)}
.btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{filter:brightness(1.06)}
.btn-ghost{background:var(--surface);color:var(--label);border-color:var(--line)}.btn-ghost:hover{border-color:var(--blue)}
.btn-lg{padding:15px 26px;font-size:16px}
.btn-block{width:100%}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
/* phone */
.phone{position:relative;border-radius:30px;border:1px solid var(--line);background:#04060b;padding:6px;box-shadow:0 24px 60px -26px rgba(47,107,255,.5);width:100%;max-width:300px;margin:0 auto}
.phone img{border-radius:24px;width:100%}
.glowwrap{position:relative}
.glowwrap:before{content:"";position:absolute;inset:-30% -10% auto;height:60%;background:radial-gradient(closest-side,rgba(57,224,255,.25),transparent);filter:blur(20px);z-index:-1}
/* radar motif */
.radar{position:relative;width:min(80vw,300px);aspect-ratio:1;margin:0 auto;display:grid;place-items:center}
.radar i{position:absolute;border:1px solid rgba(57,224,255,.35);border-radius:50%;inset:0;animation:ring 3s ease-out infinite}
.radar i:nth-child(2){animation-delay:1s}.radar i:nth-child(3){animation-delay:2s}
.radar .core{width:54px;height:54px;border-radius:16px;background:#fff;box-shadow:0 0 30px rgba(57,224,255,.6)}
@keyframes ring{0%{transform:scale(.3);opacity:.9}100%{transform:scale(1);opacity:0}}
@media(prefers-reduced-motion:reduce){.radar i{animation:none;opacity:.4}}
/* hero */
.hero{position:relative;padding:46px 0 40px;background:
  radial-gradient(600px 360px at 85% 4%,rgba(57,224,255,.16),transparent 60%),
  radial-gradient(560px 420px at 0% 30%,rgba(47,107,255,.20),transparent 60%),var(--ink)}
.hero .lead{margin:18px 0 22px}
.badgeline{display:flex;gap:14px;flex-wrap:wrap;margin-top:20px;color:var(--label2);font-size:13px}
.badgeline span{display:inline-flex;align-items:center;gap:7px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}
.dot.b{background:var(--blue)}.dot.c{background:var(--coral)}
.hero-phones{display:flex;justify-content:center;align-items:flex-end;gap:10px;margin-top:34px}
.hero-phones .phone{width:46%;max-width:210px;margin:0}
.hero-phones .p1,.hero-phones .p3{display:none}
/* steps */
.steps3{display:grid;gap:14px;margin-top:26px}
.stepcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--rl);padding:22px;text-align:left}
.stepcard .n{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#04101f;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.stepcard.coral .n{background:var(--coral);color:#fff}.stepcard.green .n{background:var(--green);color:#04241b}
.stepcard p{font-size:14.5px;color:var(--label2)}
/* bands & sections */
.band{background:linear-gradient(180deg,var(--ink2),var(--ink));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band.tech{background:radial-gradient(700px 420px at 50% -10%,rgba(57,224,255,.12),transparent 70%),var(--ink2)}
.band.cta{background:radial-gradient(640px 360px at 50% 0,rgba(47,107,255,.22),transparent 70%),var(--ink)}
.sechead{text-align:center;max-width:680px;margin:0 auto 26px}
/* carousel */
.carousel{display:grid;gap:18px;margin-top:18px}
.cstage{display:flex;justify-content:center}.cstage .phone{max-width:280px;transition:opacity .3s}
.cinfo .ctab{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.cinfo h3{font-size:clamp(22px,6vw,30px);font-weight:800;letter-spacing:-.02em;margin:6px 0 10px}
.cinfo .cap{font-size:16px;color:#c8d0de;margin-bottom:14px}
.benefit{display:block;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:0 12px 12px 0;padding:12px 15px;margin-bottom:10px;font-size:14.5px}
.benefit b{color:var(--cyan)}
.trans{font-size:13px;color:var(--label3)}
.cnav{display:flex;align-items:center;gap:12px;margin-top:18px}
.cnav button{width:48px;height:48px;border-radius:50%;background:var(--surface);border:1px solid var(--line);color:var(--label);font-size:20px;cursor:pointer;flex:none}
.cnav button:hover{border-color:var(--blue);color:var(--blue-l)}
.cprog{flex:1;height:5px;background:var(--line);border-radius:3px;overflow:hidden}
.cprog i{display:block;height:100%;background:var(--grad);transition:width .3s}
.ccount{font-size:13px;color:var(--label2);min-width:54px;text-align:right}
.cdots{display:flex;gap:5px;flex-wrap:wrap;margin-top:16px}
.cdots button{width:8px;height:8px;border-radius:50%;background:var(--line);border:0;cursor:pointer;padding:0}
.cdots button.on{background:var(--blue);width:20px;border-radius:4px}
/* grids/cards */
.grid{display:grid;gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--rl);padding:22px}
.card .ico{width:46px;height:46px;border-radius:14px;background:rgba(57,224,255,.12);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.card h3{margin-bottom:8px}.card p{font-size:15px;color:var(--label2)}
.card.feat{border:1px solid rgba(47,107,255,.3);background:linear-gradient(180deg,rgba(47,107,255,.07),var(--surface))}
.two{display:grid;gap:26px;align-items:center}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;color:var(--label2)}
.chip b{color:var(--label)}
/* precision graph visual */
.pgraph{background:var(--surface);border:1px solid var(--line);border-radius:var(--rl);padding:22px}
.pgraph .ring{position:relative;width:min(70vw,260px);aspect-ratio:1;margin:6px auto 0;display:grid;place-items:center}
.pgraph .ring span{position:absolute;border:1px dashed rgba(57,224,255,.4);border-radius:50%}
.pgraph .ring .r1{inset:0}.pgraph .ring .r2{inset:18%}.pgraph .ring .r3{inset:36%}
.pgraph .ring .me{width:46px;height:46px;border-radius:14px;background:var(--grad);box-shadow:0 0 24px rgba(57,224,255,.5)}
.pgraph .ring .pt{position:absolute;width:30px;height:30px;border-radius:50%;background:var(--elev);border:2px solid var(--blue-l);display:grid;place-items:center;font-size:13px}
.pgconf{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.pgconf b{font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;background:rgba(43,217,160,.14);color:var(--green);border:1px solid rgba(43,217,160,.34)}
/* feature matrix */
.fm{display:grid;gap:16px;margin-top:24px}
.fmcol{background:var(--surface);border:1px solid var(--line);border-radius:var(--rl);padding:22px}
.fmcol .tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:4px 11px;border-radius:999px;display:inline-block;margin-bottom:14px}
.tag.live{background:rgba(43,217,160,.15);color:var(--green);border:1px solid rgba(43,217,160,.35)}
.tag.pend{background:rgba(255,178,62,.14);color:var(--amber);border:1px solid rgba(255,178,62,.4)}
.tag.road{background:rgba(255,106,77,.13);color:#FF8C76;border:1px solid rgba(255,106,77,.4)}
.fmcol ul{list-style:none}
.fmcol li{padding:8px 0 8px 24px;position:relative;font-size:14px;color:#c8d0de;border-bottom:1px solid var(--line)}
.fmcol li:last-child{border-bottom:0}.fmcol li:before{position:absolute;left:0;top:8px}
.fmcol.live li:before{content:"✓";color:var(--green)}.fmcol.pend li:before{content:"○";color:var(--amber)}.fmcol.road li:before{content:"→";color:#FF8C76}
.note{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--coral);border-radius:12px;padding:15px 18px;font-size:14px;color:var(--label2);margin-top:22px}
/* FAQ */
.faq{max-width:780px;margin:22px auto 0}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:4px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;font-size:16px;padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--blue-l);font-size:22px;font-weight:400;transition:.2s}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq p{padding:0 0 16px;font-size:15px;color:var(--label2)}
/* form */
.formwrap{display:grid;gap:24px;align-items:start}
.formcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--rl);padding:24px}
.formcard label{display:block;font-size:13px;font-weight:600;color:var(--label2);margin:14px 0 6px}
.formcard input{width:100%;background:var(--ink2);border:1px solid var(--line);border-radius:12px;padding:14px 15px;color:var(--label);font-size:16px;font-family:inherit}
.formcard input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,107,255,.18)}
.formcard .row{display:grid;gap:12px}
.formmsg{font-size:14px;margin-top:12px;min-height:20px}
.formmsg.ok{color:var(--green)}.formmsg.err{color:#FF8C76}
.orline{display:flex;align-items:center;gap:12px;color:var(--label3);font-size:13px;margin:16px 0}
.orline:before,.orline:after{content:"";flex:1;height:1px;background:var(--line)}
/* footer */
footer{border-top:1px solid var(--line);background:var(--ink2);padding:44px 0 28px}
.fcols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.fcols .fbrand-col{grid-column:1/-1}
.fcols h4{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--label2);margin-bottom:12px}
.fcols a{display:block;color:var(--label2);font-size:14px;padding:5px 0}.fcols a:hover{color:var(--label)}
.fbrand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;margin-bottom:10px}.fbrand img{width:26px}
.fbot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);margin-top:28px;padding-top:20px;color:var(--label3);font-size:13px}
/* reveal */
.reveal{opacity:0;transform:translateY(22px);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}}
/* doc/legal */
.doc{max-width:820px}.doc h2{margin-top:30px;font-size:24px}.doc h3{margin-top:20px;color:var(--label)}
.doc p,.doc li{color:#c4ccda;font-size:15.5px}.doc ul,.doc ol{margin:10px 0 10px 22px}.doc li{margin:6px 0}
.updated{color:var(--label3);font-size:13px}
.legalnote{font-size:13px;color:var(--label3);border-top:1px solid var(--line);margin-top:36px;padding-top:18px}
table.t{width:100%;border-collapse:collapse;font-size:14px;margin:14px 0}
table.t th,table.t td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.t th{color:var(--label2);font-size:12px;text-transform:uppercase;letter-spacing:.06em}

/* ===== tablet ===== */
@media(min-width:680px){
  section{padding:72px 0}
  .steps3{grid-template-columns:repeat(3,1fr)}
  .grid.g2{grid-template-columns:1fr 1fr}.grid.g3{grid-template-columns:repeat(3,1fr)}
  .fm{grid-template-columns:repeat(3,1fr)}
  .hero-phones .phone{max-width:220px}
  .formwrap{grid-template-columns:1.1fr .9fr}
  .fcols{grid-template-columns:2fr 1fr 1fr 1fr}.fcols .fbrand-col{grid-column:auto}
}
/* ===== desktop ===== */
@media(min-width:920px){
  .navlinks{display:flex;gap:24px;align-items:center}
  .navlinks a{color:var(--label2);font-size:15px;font-weight:500}.navlinks a:hover{color:var(--label)}
  .navtoggle{display:none}
  .hero{padding:64px 0 56px}
  .hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
  .hero-phones{margin-top:0;gap:0}
  .hero-phones .p1,.hero-phones .p3{display:block;width:200px}
  .hero-phones .p1{transform:rotate(-6deg) translateY(16px)}
  .hero-phones .p2{width:220px;margin:0 -30px;z-index:3}
  .hero-phones .p3{transform:rotate(6deg) translateY(16px)}
  .carousel{grid-template-columns:360px 1fr;gap:46px;align-items:center}
  .cstage{order:0}.cstage .phone{max-width:340px}
  .two{grid-template-columns:1fr 1fr;gap:40px}
  .two.rev .pcol{order:2}
}
.nav .btn{display:none}
@media(min-width:920px){.nav .btn{display:inline-flex}}
/* mobile menu open */
.navlinks.open{display:flex;position:fixed;inset:62px 0 auto 0;flex-direction:column;background:var(--ink2);border-bottom:1px solid var(--line);padding:14px 20px;gap:2px}
.navlinks.open a{color:var(--label2);padding:11px 0}