/* ---------- Self-hosted webfont (Space Grotesk, variable 300-700) ---------- */
@font-face{
  font-family:'Space Grotesk';
  font-style:normal;
  font-weight:300 700;
  font-display:swap;
  src:url('../assets/fonts/space-grotesk-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:'Space Grotesk';
  font-style:normal;
  font-weight:300 700;
  font-display:swap;
  src:url('../assets/fonts/space-grotesk-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
/* ============================================================
   ONE PC — B2B Export Standalone Site
   Global stylesheet. Mobile-first. Desktop @ 768px.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --bg:#0A0F14;
  --bg-2:#0E151D;
  --surface:#121B24;
  --surface-2:#16212C;
  --line:#1E2B37;
  --line-soft:#24333F;
  --text:#E9F0F6;
  --muted:#A0B1C1;
  --muted-2:#74879A;
  --accent:#2FD3FF;
  --accent-soft:#0E3544;
  --amber:#FFB74D;
  --ok:#4CD98A;
  --radius:14px;
  --radius-sm:10px;
  --maxw:1180px;
  --header-h:66px;
  --font-head:'Space Grotesk','Segoe UI',system-ui,-apple-system,sans-serif;
  --font-body:'Space Grotesk','Segoe UI',system-ui,-apple-system,sans-serif;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.section--alt{background:var(--bg-2)}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.18;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.45rem,3vw,2.1rem)}
h3{font-size:1.18rem}
p{max-width:62ch}
.lead{font-size:1.06rem;color:var(--muted);max-width:56ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent)}
.section-head{margin-bottom:34px}
.section-head h2{margin:10px 0 10px}
.section-head .lead{margin-bottom:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);
  font-family:var(--font-head);font-weight:600;font-size:.95rem;
  transition:transform .15s ease,background .15s ease,box-shadow .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--accent);color:#06131C}
.btn--primary:hover{background:#6FE0FF;box-shadow:0 6px 24px rgba(47,211,255,.25)}
.btn--ghost{border:1px solid var(--line-soft);color:var(--text)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn--block{width:100%}
.btn--sm{padding:9px 16px;font-size:.86rem}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,15,20,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);
}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;font-size:1.15rem;letter-spacing:.02em}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#0E7BA8);
  color:#06131C;font-weight:700;font-size:.95rem;
}
.nav-links{display:none;align-items:center;gap:26px;font-size:.95rem}
.nav-links a{color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--text)}
.nav-links a[aria-current="page"]{color:var(--accent)}
.lang-switch{
  margin-left:4px;padding:4px 9px;border:1px solid var(--line-soft);
  border-radius:7px;font-size:.78rem;font-weight:700;color:var(--accent)!important;
}
.lang-switch:hover{border-color:var(--accent);background:var(--accent-soft)}
.nav-cta{display:none}
.nav-toggle{
  display:grid;place-items:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);transition:transform .2s}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);top:0}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);top:0}

.mobile-menu{
  display:none;flex-direction:column;gap:4px;
  padding:14px 20px 22px;border-bottom:1px solid var(--line);
  background:var(--bg-2);
}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 6px;font-size:1.02rem;border-bottom:1px solid var(--line);color:var(--muted)}
.mobile-menu a[aria-current="page"]{color:var(--accent)}
.mobile-menu .btn{margin-top:14px}

@media (min-width:768px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:none}
  .mobile-menu{display:none!important}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:70px 0 66px;
  background:
    radial-gradient(900px 480px at 85% -10%,rgba(47,211,255,.14),transparent 60%),
    radial-gradient(700px 420px at -10% 110%,rgba(14,123,168,.16),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-grid{display:grid;gap:36px;align-items:center}
.hero h1{max-width:16ch}
.hero h1 .hl{color:var(--accent)}
.hero .lead{margin:18px 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
  margin-top:34px;
}
.fact{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:14px 16px;background:rgba(18,27,36,.6);
}
.fact b{display:block;font-family:var(--font-head);font-size:1.35rem;color:var(--accent)}
.fact span{font-size:.82rem;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual .img-frame{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-soft);
  box-shadow:0 24px 70px rgba(0,0,0,.5);
}
.hero-visual .img-frame img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-badge{
  position:absolute;bottom:-16px;left:-10px;
  display:flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:12px;padding:12px 16px;
  box-shadow:0 14px 40px rgba(0,0,0,.45);
}
.hero-badge svg{color:var(--ok)}
.hero-badge b{display:block;font-size:.88rem}
.hero-badge span{font-size:.74rem;color:var(--muted)}

@media (min-width:900px){
  .hero{padding:96px 0 90px}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}
}

/* ---------- Category cards ---------- */
.cats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.cat-card{
  display:block;position:relative;
  border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;background:var(--surface);
  transition:border-color .18s,transform .18s;
  min-height:118px;
}
.cat-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.cat-card .ic{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;background:var(--accent-soft);color:var(--accent);margin-bottom:12px}
.cat-card h3{font-size:1.02rem}
.cat-card p{font-size:.8rem;color:var(--muted);margin-top:4px;max-width:30ch}
.cat-card .go{position:absolute;top:20px;right:16px;color:var(--muted-2);font-size:.9rem}
.cat-card:hover .go{color:var(--accent)}
@media (min-width:768px){
  .cats{grid-template-columns:repeat(4,1fr)}
  .cat-card{padding:22px 18px;min-height:150px}
}

/* ---------- Product cards ---------- */
.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.p-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:border-color .18s,transform .18s;
}
.p-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.p-card .thumb{position:relative;background:#0C121A;overflow:hidden}
.p-card .thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .3s}
.p-card:hover .thumb img{transform:scale(1.04)}
.p-card .tag{
  position:absolute;top:10px;left:10px;
  background:var(--accent);color:#06131C;
  font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 9px;border-radius:6px;
}
.p-card .tag--amber{background:var(--amber);color:#2A1700}
.p-card .body{padding:16px;display:flex;flex-direction:column;flex:1;gap:8px}
.p-card .cat{font-size:.72rem;color:var(--accent);font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.p-card h3{font-size:1.02rem;line-height:1.35}
.p-card .specs{font-size:.82rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 12px}
.p-card .specs li{position:relative}
.p-card .specs li + li::before{content:"·";position:absolute;left:-8px;color:var(--muted-2)}
.p-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}
.p-card .price-note{font-size:.78rem;color:var(--muted-2)}
@media (min-width:640px){
  .products-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:1024px){
  .products-grid{grid-template-columns:repeat(4,1fr)}
}

/* ---------- Feature blocks (why us) ---------- */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.feature{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 18px;background:var(--surface);
}
.feature .ic{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:14px}
.feature h3{font-size:1rem;margin-bottom:6px}
.feature p{font-size:.84rem;color:var(--muted);max-width:44ch}
@media (min-width:768px){
  .features{grid-template-columns:repeat(3,1fr)}
}

/* ---------- Process / timeline ---------- */
.steps{display:grid;gap:14px}
.step{display:grid;grid-template-columns:44px 1fr;gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:var(--surface)}
.step .num{
  width:44px;height:44px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);
  font-family:var(--font-head);font-weight:700;
}
.step h3{font-size:1rem;margin-bottom:4px}
.step p{font-size:.84rem;color:var(--muted)}
@media (min-width:768px){
  .steps{grid-template-columns:repeat(3,1fr)}
  .step{grid-template-columns:1fr;align-content:start;gap:12px}
}

/* ---------- Stats strip ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat{border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;background:var(--surface);text-align:center}
.stat b{display:block;font-family:var(--font-head);font-size:1.7rem;color:var(--accent)}
.stat span{font-size:.8rem;color:var(--muted)}
@media (min-width:768px){
  .stats{grid-template-columns:repeat(4,1fr)}
}

/* ---------- CTA band ---------- */
.cta-band{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:38px 22px;text-align:center;
  background:
    radial-gradient(600px 300px at 50% 0%,rgba(47,211,255,.12),transparent 65%),
    var(--surface);
}
.cta-band h2{max-width:22ch;margin:0 auto 10px}
.cta-band .lead{margin:0 auto 24px}
.cta-band .hero-actions{justify-content:center}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:44px 0 30px;margin-top:20px}
.footer-grid{display:grid;gap:28px}
.footer-grid h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:12px}
.footer-grid a,.footer-grid li{font-size:.88rem;color:var(--muted);line-height:2}
.footer-grid a:hover{color:var(--accent)}
.footer-note{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;font-size:.78rem;color:var(--muted-2);display:flex;flex-direction:column;gap:6px}
@media (min-width:768px){
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1.3fr}
}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{padding:52px 0 40px;border-bottom:1px solid var(--line);background:radial-gradient(700px 340px at 80% -20%,rgba(47,211,255,.12),transparent 60%),var(--bg)}
.page-hero h1{margin-bottom:10px}
.page-hero .lead{margin-bottom:0}
.crumbs{font-size:.8rem;color:var(--muted-2);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--accent)}

/* ---------- Filters (products) ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  padding:9px 16px;border-radius:999px;
  border:1px solid var(--line-soft);color:var(--muted);
  font-size:.86rem;font-weight:500;
  transition:all .15s;
}
.chip:hover{color:var(--text);border-color:var(--muted-2)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#06131C}
.products-note{font-size:.8rem;color:var(--muted-2);margin-bottom:18px}

/* ---------- Product detail modal ---------- */
.modal-bg{
  position:fixed;inset:0;z-index:80;
  background:rgba(4,8,12,.78);
  display:none;align-items:flex-end;justify-content:center;
  padding:0;backdrop-filter:blur(4px);
}
.modal-bg.open{display:flex}
.modal{
  width:100%;max-height:92vh;overflow-y:auto;
  background:var(--bg-2);border:1px solid var(--line-soft);
  border-radius:20px 20px 0 0;
}
.modal-head{position:sticky;top:0;background:var(--bg-2);border-bottom:1px solid var(--line);padding:16px 20px;display:flex;justify-content:space-between;align-items:center;z-index:2}
.modal-head h3{font-size:1.1rem}
.modal-close{width:38px;height:38px;border-radius:9px;border:1px solid var(--line-soft);display:grid;place-items:center;font-size:1.1rem}
.modal-body{padding:20px}
.modal-body img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-sm);margin-bottom:18px}
.spec-table{width:100%;border-collapse:collapse;margin:14px 0 18px;table-layout:fixed}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:10px 12px;font-size:.85rem;text-align:left;vertical-align:top}
.spec-table th{background:var(--surface);color:var(--muted);width:36%;font-weight:500}
.spec-table td{color:var(--text)}
@media (min-width:640px){
  .modal-bg{align-items:center;padding:30px}
  .modal{max-width:760px;border-radius:20px}
  .modal-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
  .modal-body img{margin-bottom:0;aspect-ratio:1/1}
}

/* ---------- Contact / form ---------- */
.contact-grid{display:grid;gap:30px}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.form-row{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:.84rem;color:var(--muted);font-weight:500}
.field input,.field select,.field textarea{
  background:var(--bg-2);border:1px solid var(--line-soft);
  border-radius:var(--radius-sm);padding:13px 14px;font-size:16px;
  transition:border-color .15s;
  min-height:48px;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.5}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field .err{font-size:.78rem;color:#FF7A6B;display:none}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#FF7A6B}
.field.invalid .err{display:block}
.form-note{font-size:.78rem;color:var(--muted-2);margin-top:14px;line-height:1.5}
.form-ok{
  display:none;margin-top:18px;
  border:1px solid rgba(76,217,138,.4);background:rgba(76,217,138,.08);
  border-radius:var(--radius-sm);padding:16px;font-size:.9rem;
}
.form-ok.show{display:block}
.form-ok.err{border-color:rgba(255,99,99,.45);background:rgba(255,99,99,.08)}
.form-ok.err b{color:#ff6b6b}
.form-ok b{color:var(--ok)}
.contact-side{display:grid;gap:14px;align-content:start}
.c-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:20px}
.c-card .ic{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:12px}
.c-card h3{font-size:.95rem;margin-bottom:4px}
.c-card p,.c-card a{font-size:.86rem;color:var(--muted);word-break:break-word}
.c-card a{display:inline-block}
.c-card a:hover{color:var(--accent)}
@media (min-width:768px){
  .form-row{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1.35fr .9fr}
  .form-card{padding:32px}
}

/* ---------- About ---------- */
.about-grid{display:grid;gap:30px;align-items:center}
.about-grid .img-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-soft)}
.about-grid .img-frame img{aspect-ratio:4/3;object-fit:cover;width:100%}
.about-copy p{color:var(--muted);margin-bottom:14px;max-width:60ch}
.checklist{display:grid;gap:10px;margin-top:16px}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--text)}
.checklist svg{color:var(--ok);flex:none;margin-top:3px}
@media (min-width:860px){
  .about-grid{grid-template-columns:1fr 1fr}
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:18px 20px;text-align:left;font-family:var(--font-head);font-weight:600;font-size:.98rem;
}
.faq-q .chev{flex:none;transition:transform .2s;color:var(--muted)}
.faq-item.open .chev{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 20px 18px;font-size:.88rem;color:var(--muted);max-width:70ch}

/* ---------- Misc ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* WhatsApp QR card */
.qr-box{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:14px}
.qr-box svg{width:172px;height:172px;background:#fff;padding:9px;border-radius:16px;box-shadow:0 12px 34px rgba(0,0,0,.4)}
.qr-box .qr-link{font-size:.82rem;color:var(--accent,#4cc9ff);text-decoration:none;border-bottom:1px dashed rgba(76,201,255,.5)}
.qr-box--inline{margin:16px 0 0;align-items:flex-start}
.qr-box--inline svg{width:136px;height:136px;padding:7px}