/* ============================================================
   OMESA TUNING — style.css
   Premium automotive electronics / dark technical design
   ============================================================ */

:root{
  --bg:#0b0b0d;
  --bg-2:#101014;
  --bg-3:#15151b;
  --card:#14141a;
  --card-2:#191921;
  --line:#26262e;
  --text:#e8e8ec;
  --text-dim:#a7a7b2;
  --accent:#e10600;
  --accent-2:#ff2b24;
  --silver:#c9c9d1;
  --radius:14px;
  --font-head:'Rajdhani','Segoe UI',Arial,sans-serif;
  --font-body:'Inter','Segoe UI',Roboto,Arial,sans-serif;
  --shadow:0 10px 40px rgba(0,0,0,.45);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3{font-family:var(--font-head);line-height:1.15;letter-spacing:.4px}
h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:700;text-transform:uppercase}
h2{font-size:clamp(1.5rem,3.2vw,2.3rem);font-weight:700;text-transform:uppercase}
h3{font-size:1.15rem;font-weight:600}
.accent{color:var(--accent)}
.container{width:min(1180px,92%);margin:0 auto}
.section{padding:90px 0}
.section-dark{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.section-head{margin-bottom:48px;max-width:760px}
.section-tag{
  display:inline-block;font-family:var(--font-head);font-size:.85rem;letter-spacing:2.5px;
  text-transform:uppercase;color:var(--accent-2);border:1px solid rgba(225,6,0,.4);
  padding:4px 14px;border-radius:99px;margin-bottom:14px;background:rgba(225,6,0,.06);
}
.section-lead{color:var(--text-dim);margin-top:12px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;font-family:var(--font-head);font-weight:600;font-size:1rem;
  letter-spacing:1px;text-transform:uppercase;padding:13px 28px;border-radius:8px;
  border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .25s,background .25s,color .25s;
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 0 22px rgba(225,6,0,.35)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 0 34px rgba(225,6,0,.55)}
.btn-outline{border-color:var(--accent);color:var(--accent-2)}
.btn-outline:hover{background:rgba(225,6,0,.12);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--silver)}
.btn-ghost:hover{border-color:var(--silver);transform:translateY(-2px)}
.btn-full{width:100%}
.btn-nav{padding:10px 20px;font-size:.9rem}

@keyframes pulseGlow{
  0%,100%{box-shadow:0 0 18px rgba(225,6,0,.35)}
  50%{box-shadow:0 0 34px rgba(225,6,0,.62)}
}
.pulse{animation:pulseGlow 2.6s ease-in-out infinite}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(11,11,13,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .3s;
}
.header-inner{display:flex;align-items:center;gap:28px;height:70px}
.logo{display:flex;align-items:center;gap:10px}
.logo-text{font-family:var(--font-head);font-weight:700;font-size:1.3rem;letter-spacing:1.5px}
.logo-text em{font-style:normal;color:var(--accent)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:26px}
.main-nav a{
  font-family:var(--font-head);font-weight:600;font-size:.95rem;letter-spacing:1.2px;
  text-transform:uppercase;color:var(--text-dim);transition:color .2s;position:relative;
}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:-6px;height:2px;width:0;background:var(--accent);transition:width .25s;
}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{width:100%}
.lang-switch{display:flex;align-items:center;gap:8px;margin-left:auto}
.lang-switch button{
  width:42px;height:34px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--silver);font-family:var(--font-head);font-weight:700;letter-spacing:1px;cursor:pointer;
  transition:background .2s,border-color .2s,color .2s,transform .2s;
}
.lang-switch button:hover{border-color:var(--accent);color:#fff;transform:translateY(-1px)}
.lang-switch button.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 16px rgba(225,6,0,.35)}
html[data-lang="pl"] .lang-switch button[data-lang="en"]{display:none}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-left:6px}
.nav-toggle span{display:block;width:26px;height:2.5px;background:#fff;margin:5px 0;border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:170px 0 40px;min-height:92vh;display:flex;flex-direction:column;justify-content:center}
.hero-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.pcb-lines{
  position:absolute;inset:0;opacity:.5;
  background-image:
    linear-gradient(rgba(225,6,0,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(225,6,0,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 30%,transparent 75%);
  animation:gridShift 24s linear infinite;
}
@keyframes gridShift{from{background-position:0 0,0 0}to{background-position:56px 56px,56px 56px}}
.hero-glow{
  position:absolute;top:-180px;right:-120px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(225,6,0,.16),transparent 65%);
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{
  font-family:var(--font-head);font-size:.78rem;font-weight:600;letter-spacing:2px;
  color:var(--silver);border:1px solid var(--line);border-radius:99px;padding:5px 14px;
  background:rgba(255,255,255,.03);
}
.hero-sub{color:var(--text-dim);font-size:1.06rem;margin:22px 0 34px;max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-cta.center{justify-content:center;margin-top:40px}

.hero-visual{display:flex;justify-content:center}
.ecu-card{
  position:relative;width:min(430px,100%);border-radius:var(--radius);
  background:linear-gradient(145deg,#15151c,#0e0e12);
  border:1px solid var(--line);box-shadow:var(--shadow);padding:20px;
  transform-style:preserve-3d;transition:transform .2s ease-out;overflow:hidden;
}
.ecu-scan{
  position:absolute;left:0;right:0;top:0;height:60px;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(225,6,0,.14),transparent);
  animation:scanMove 4.5s ease-in-out infinite;
}
@keyframes scanMove{0%,100%{transform:translateY(-40px)}50%{transform:translateY(240px)}}
.map-line{stroke-dasharray:260;stroke-dashoffset:260;animation:drawLine 3s ease forwards 1s}
@keyframes drawLine{to{stroke-dashoffset:0}}
.trace path{stroke-dasharray:220;stroke-dashoffset:220;animation:drawLine 2.4s ease forwards 1.4s}

/* ---------- Ticker ---------- */
.ticker{margin-top:64px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:rgba(255,255,255,.02)}
.ticker-track{display:flex;gap:0;width:max-content;animation:tickerMove 30s linear infinite}
.ticker-track span{
  font-family:var(--font-head);font-weight:600;letter-spacing:3px;font-size:.85rem;color:var(--text-dim);
  padding:12px 28px;white-space:nowrap;position:relative;
}
.ticker-track span::after{content:'/';position:absolute;right:-4px;color:var(--accent)}
@keyframes tickerMove{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- Stats ---------- */
.stats{padding:64px 0;background:var(--bg-2);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.stat-num,.stat-text{font-family:var(--font-head);font-size:2.6rem;font-weight:700;color:#fff}
.stat-plus{font-family:var(--font-head);font-size:2.2rem;font-weight:700;color:var(--accent)}
.stat p{color:var(--text-dim);font-size:.92rem;margin-top:4px}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:52px;align-items:start}
.about-text p{margin-bottom:18px;color:var(--text-dim)}
.about-text p:first-child{color:var(--text)}
.about-points li{
  padding:13px 16px 13px 42px;margin-bottom:10px;border:1px solid var(--line);border-radius:10px;
  background:var(--card);position:relative;font-weight:500;
}
.about-points li::before{
  content:'';position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:9px;height:9px;background:var(--accent);border-radius:2px;box-shadow:0 0 10px rgba(225,6,0,.7);
}

/* ---------- Cards / services ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .3s,border-color .3s,box-shadow .3s;
  transform-style:preserve-3d;will-change:transform;
}
.card:hover{transform:translateY(-6px);border-color:rgba(225,6,0,.5);box-shadow:0 14px 40px rgba(0,0,0,.5),0 0 24px rgba(225,6,0,.12)}
.card-icon{
  width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(225,6,0,.1);border:1px solid rgba(225,6,0,.35);color:var(--accent-2);margin-bottom:18px;
}
.card-icon svg{width:26px;height:26px}
.card h3{margin-bottom:10px}
.card p{color:var(--text-dim);font-size:.95rem}

/* ---------- File service ---------- */
.fileservice-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}
.fileservice-text p{color:var(--text-dim);margin-bottom:18px}
.fileservice-text p:first-child{color:var(--text);font-size:1.05rem}
.brands{margin:26px 0;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.brands-label{font-size:.85rem;text-transform:uppercase;letter-spacing:1.6px;color:var(--text-dim);margin-bottom:6px}
.brands-list{font-family:var(--font-head);font-weight:600;color:var(--silver);letter-spacing:.5px}
.legal-note{font-size:.83rem;color:#7c7c88;margin-top:24px;border-left:3px solid var(--accent);padding-left:14px}
.check-list li{
  padding:11px 14px 11px 40px;border-bottom:1px solid var(--line);position:relative;font-size:.97rem;
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:'';position:absolute;left:12px;top:50%;transform:translateY(-50%) rotate(45deg);
  width:6px;height:11px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
}
.dyno-chart{
  margin-top:28px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;
}
.dyno-line{stroke-dasharray:520;stroke-dashoffset:520}
.dyno-chart.animate .dyno-stock{animation:drawLine 2.2s ease forwards .2s}
.dyno-chart.animate .dyno-tuned{animation:drawLine 2.2s ease forwards .7s}

/* ---------- Process ---------- */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.process-step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;position:relative;
  transition:transform .3s,border-color .3s;
}
.process-step:hover{transform:translateY(-5px);border-color:rgba(225,6,0,.45)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;
  font-family:var(--font-head);font-weight:700;font-size:1.3rem;color:#fff;background:var(--accent);
  box-shadow:0 0 20px rgba(225,6,0,.5);margin-bottom:18px;
}
.process-step h3{margin-bottom:8px}
.process-step p{color:var(--text-dim);font-size:.94rem}

/* ---------- Why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.why-grid li{
  padding:16px 18px 16px 50px;background:var(--card);border:1px solid var(--line);border-radius:10px;
  position:relative;font-weight:500;transition:border-color .25s,transform .25s;
}
.why-grid li:hover{border-color:rgba(225,6,0,.5);transform:translateX(4px)}
.why-grid li::before{
  content:'';position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;border:2px solid var(--accent);border-radius:3px;
  box-shadow:inset 0 0 6px rgba(225,6,0,.6);
}

/* ---------- Picker ---------- */
.picker-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.picker-btn{
  font-family:var(--font-head);font-weight:600;font-size:.92rem;letter-spacing:1px;text-transform:uppercase;
  color:var(--silver);background:var(--card);border:1px solid var(--line);border-radius:99px;
  padding:11px 22px;cursor:pointer;transition:all .25s;
}
.picker-btn:hover{border-color:var(--accent);color:#fff}
.picker-btn.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 18px rgba(225,6,0,.45)}
.picker-output{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:12px;padding:24px 26px;min-height:96px;transition:opacity .3s;
}
.picker-output h3{margin-bottom:8px;color:#fff}
.picker-output p{color:var(--text-dim)}
.picker-output ul{margin-top:10px}
.picker-output ul li{
  color:var(--text-dim);padding-left:22px;position:relative;margin-bottom:6px;font-size:.95rem;
}
.picker-output ul li::before{content:'›';position:absolute;left:6px;color:var(--accent);font-weight:700}

/* ---------- Portfolio ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.filter-btn{
  font-family:var(--font-head);font-weight:600;font-size:.88rem;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--text-dim);background:transparent;border:1px solid var(--line);border-radius:99px;
  padding:9px 20px;cursor:pointer;transition:all .25s;
}
.filter-btn:hover{color:#fff;border-color:var(--silver)}
.filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.p-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  transition:transform .3s,border-color .3s,opacity .3s;display:flex;flex-direction:column;gap:10px;
}
.p-card:hover{transform:translateY(-6px);border-color:rgba(225,6,0,.5)}
.p-card.hidden{display:none}
.p-card h3{font-size:1.05rem}
.p-card p{color:var(--text-dim);font-size:.92rem;flex:1}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags span{
  font-family:var(--font-head);font-size:.72rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--accent-2);background:rgba(225,6,0,.08);border:1px solid rgba(225,6,0,.3);
  border-radius:99px;padding:3px 12px;
}
.fb-gallery{margin-top:34px}
.fb-gallery-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px;flex-wrap:wrap}
.fb-gallery-head h3{font-family:var(--font-head);font-size:1.35rem;letter-spacing:1px;text-transform:uppercase;color:#fff}
.fb-gallery-head p{color:var(--text-dim);max-width:760px}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gallery-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.gallery-card:hover{transform:translateY(-6px);border-color:rgba(225,6,0,.5);box-shadow:0 18px 40px rgba(0,0,0,.28)}
.gallery-card img{display:block;width:100%;aspect-ratio:1 / 1;object-fit:cover;background:#101014}
.gallery-card figcaption{padding:14px 16px 16px}
.gallery-card strong{display:block;font-size:.98rem;color:#fff;line-height:1.35}
.gallery-card span{display:block;margin-top:6px;font-size:.78rem;letter-spacing:1px;text-transform:uppercase;color:var(--accent-2)}

/* ---------- Pricing ---------- */
.price-table{max-width:760px;margin:0 auto;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.price-row{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:17px 26px;background:var(--card);border-bottom:1px solid var(--line);transition:background .2s;
}
.price-row:last-child{border-bottom:0}
.price-row:hover{background:var(--card-2)}
.price-row span{color:var(--text-dim)}
.price-row strong{font-family:var(--font-head);font-size:1.05rem;letter-spacing:.5px;color:#fff;white-space:nowrap}

/* ---------- Blog ---------- */
.blog-grid{grid-template-columns:repeat(3,1fr)}
.blog-cat{
  display:inline-block;font-family:var(--font-head);font-size:.75rem;font-weight:600;letter-spacing:2px;
  text-transform:uppercase;color:var(--accent-2);margin-bottom:12px;
}
.blog-more{display:inline-block;margin-top:14px;font-size:.88rem;color:var(--silver);font-weight:500}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.contact-list li{
  display:flex;flex-direction:column;padding:14px 0;border-bottom:1px solid var(--line);
}
.contact-list li:last-child{border-bottom:0}
.ci-label{font-size:.78rem;text-transform:uppercase;letter-spacing:2px;color:var(--text-dim);margin-bottom:3px}
.contact-list a{color:#fff;font-weight:500;transition:color .2s}
.contact-list a:hover{color:var(--accent-2)}
.send-box{
  margin-top:30px;padding:22px 24px;border:1px solid rgba(225,6,0,.4);border-radius:12px;
  background:rgba(225,6,0,.05);
}
.send-box h3{margin-bottom:8px}
.send-box p{color:var(--text-dim);font-size:.93rem}

.contact-form{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{margin-bottom:18px;display:flex;flex-direction:column}
.form-field label{font-size:.86rem;font-weight:500;color:var(--silver);margin-bottom:7px;letter-spacing:.3px}
.form-field input,.form-field select,.form-field textarea{
  background:var(--bg-2);border:1px solid var(--line);border-radius:8px;color:var(--text);
  padding:12px 14px;font-family:var(--font-body);font-size:.95rem;transition:border-color .2s,box-shadow .2s;
  width:100%;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(225,6,0,.15);
}
.form-field textarea{resize:vertical;min-height:110px}
.form-field.invalid input,.form-field.invalid select,.form-field.invalid textarea{border-color:var(--accent)}
.err{font-size:.78rem;color:var(--accent-2);margin-top:5px;min-height:1em}
.checkbox-field .checkbox-label{display:flex;gap:10px;align-items:flex-start;cursor:pointer;font-size:.85rem;color:var(--text-dim)}
.checkbox-field input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent);flex-shrink:0}
.form-success{
  margin-top:18px;padding:16px 18px;border-radius:10px;background:rgba(30,160,60,.12);
  border:1px solid rgba(60,200,90,.4);color:#9fe6ae;font-size:.93rem;animation:fadeUp .5s ease;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-logo{font-family:var(--font-head);font-weight:700;font-size:1.4rem;letter-spacing:1.5px;margin-bottom:10px}
.footer-logo em{font-style:normal;color:var(--accent)}
.footer-brand p{color:var(--text-dim);font-size:.94rem}
.footer-nav ul{display:grid;gap:9px}
.footer-nav a{color:var(--text-dim);font-size:.94rem;transition:color .2s}
.footer-nav a:hover{color:#fff}
.footer-contact p{color:var(--text-dim);font-size:.94rem;margin-bottom:8px}
.footer-contact a{color:var(--silver)}
.footer-contact a:hover{color:var(--accent-2)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:.78rem;color:#71717d}

/* ---------- Floating CTA ---------- */
.floating-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:90;display:none;
  background:rgba(11,11,13,.92);backdrop-filter:blur(12px);border-top:1px solid var(--line);
}
.fcta-btn{
  flex:1;text-align:center;padding:14px 6px;font-family:var(--font-head);font-weight:600;
  letter-spacing:1px;text-transform:uppercase;font-size:.85rem;color:var(--silver);
}
.fcta-call{background:var(--accent);color:#fff}
.fcta-mail{border-left:1px solid var(--line);border-right:1px solid var(--line)}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1200px){
  .cards-grid,.portfolio-grid,.gallery-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero{padding-top:140px;min-height:auto}
  .hero-visual{order:-1;display:none}
  .about-grid,.fileservice-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;top:70px;right:0;bottom:0;width:min(340px,86vw);
    background:rgba(4,4,6,.995);border-left:1px solid rgba(255,255,255,.08);
    box-shadow:-28px 0 80px rgba(0,0,0,.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    transform:translateX(100%);transition:transform .3s ease;margin-left:0;padding:34px 30px;
  }
  .main-nav::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.025),transparent 28%);pointer-events:none}
  .main-nav.open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;gap:22px;position:relative;z-index:1}
  .main-nav a{font-size:1.1rem;color:#f1f1f5}
  .lang-switch{position:relative;z-index:2}
  .nav-toggle{display:block}
  .btn-nav{display:none}
  .cards-grid,.portfolio-grid,.gallery-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .floating-cta{display:flex}
  body{padding-bottom:52px}
}
@media (max-width:560px){
  .section{padding:64px 0}
  .cards-grid,.portfolio-grid,.gallery-grid,.process-grid,.blog-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .stat-num,.stat-text{font-size:2rem}
  .hero{padding-top:120px}
  .hero-cta .btn{width:100%}
  .price-row{flex-direction:column;align-items:flex-start;gap:4px}
  .footer-bottom{flex-direction:column}
}