:root{
  --bg:#080a0d;
  --bg-soft:#0d1015;
  --surface:#11151b;
  --surface-2:#171c24;
  --surface-3:#1c222c;
  --text:#f4f7fb;
  --muted:#a8b1bd;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.15);
  --green:#59e63b;
  --green-soft:#9aff7e;
  --purple:#7047c7;
  --purple-soft:#a987ff;
  --danger:#ff6d7a;
  --warning:#ffcb69;
  --shadow:0 24px 70px rgba(0,0,0,.36);
  --radius:22px;
  --radius-sm:14px;
  --max:1200px;
  --header-h:78px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{
  margin:0;
  background:
    radial-gradient(circle at 10% -10%,rgba(89,230,59,.12),transparent 30%),
    radial-gradient(circle at 92% 0%,rgba(112,71,199,.14),transparent 34%),
    var(--bg);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
::selection{background:rgba(89,230,59,.28);color:#fff}

.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.section{padding:96px 0;position:relative}
.section-tight{padding:66px 0}
.section-top{padding-top:126px}
.section-dark{background:linear-gradient(180deg,rgba(255,255,255,.015),transparent)}
.section-border{border-top:1px solid var(--line)}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--green-soft);text-transform:uppercase;letter-spacing:.16em;
  font-size:.76rem;font-weight:800;margin:0 0 14px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--green),var(--purple))}

h1,h2,h3,h4{margin:0;color:#fff;line-height:1.08;letter-spacing:-.035em}
h1{font-size:clamp(2.75rem,6.2vw,6.3rem);font-weight:850}
h2{font-size:clamp(2rem,4.2vw,4rem);font-weight:820}
h3{font-size:clamp(1.3rem,2vw,1.8rem);font-weight:760}
h4{font-size:1.02rem;font-weight:760;letter-spacing:-.015em}
p{margin:0 0 1.15rem}
.lead{font-size:clamp(1.08rem,1.7vw,1.32rem);line-height:1.68;color:#c6ced8;max-width:780px}
.muted{color:var(--muted)}
.gradient-text{
  background:linear-gradient(105deg,var(--green-soft),var(--green) 35%,var(--purple-soft) 72%,#d5c6ff);
  -webkit-background-clip:text;background-clip:text;color:transparent
}

/* Header / navigation */
.site-header{
  position:sticky;top:0;z-index:1000;height:var(--header-h);
  border-bottom:1px solid transparent;
  background:rgba(8,10,13,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  transition:border-color .2s ease,background .2s ease
}
.site-header.scrolled{border-color:var(--line);background:rgba(8,10,13,.92)}
.nav-shell{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand img{width:46px;height:46px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-size:1.05rem;font-weight:850;letter-spacing:.01em}
.brand-tag{font-size:.63rem;color:var(--muted);letter-spacing:.15em;text-transform:uppercase;margin-top:6px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  color:#c6ccd5;font-size:.86rem;font-weight:720;padding:10px 11px;border-radius:10px;
  transition:color .18s ease,background .18s ease
}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.06)}
.main-nav a.active{box-shadow:inset 0 -1px 0 var(--green)}
.nav-actions{display:flex;align-items:center;gap:9px}
.lang-switch{
  display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:rgba(255,255,255,.025)
}
.lang-switch a{padding:6px 9px;border-radius:999px;color:var(--muted);font-size:.72rem;font-weight:800;letter-spacing:.06em}
.lang-switch a.active{background:var(--surface-3);color:#fff}
.nav-order{
  display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:12px;
  color:#071008!important;background:linear-gradient(135deg,var(--green-soft),var(--green));font-size:.82rem!important;font-weight:850!important;
  box-shadow:0 0 0 1px rgba(89,230,59,.18),0 10px 28px rgba(89,230,59,.13)
}
.nav-order:hover{background:linear-gradient(135deg,#b0ff9a,#67ef48)!important;color:#071008!important}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:0;align-items:center;justify-content:center}
.menu-toggle span,.menu-toggle::before,.menu-toggle::after{content:"";display:block;width:19px;height:2px;background:#fff;border-radius:9px;transition:.2s ease}
.menu-toggle span{margin:4px 0}
.menu-toggle.active span{opacity:0}
.menu-toggle.active::before{transform:translateY(6px) rotate(45deg)}
.menu-toggle.active::after{transform:translateY(-6px) rotate(-45deg)}

/* Buttons */
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{
  appearance:none;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding:0 20px;border-radius:14px;font-weight:800;font-size:.92rem;letter-spacing:.005em;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease,color .18s ease
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--green-soft),var(--green));color:#071008;box-shadow:0 14px 34px rgba(89,230,59,.16)}
.btn-primary:hover{box-shadow:0 18px 44px rgba(89,230,59,.22)}
.btn-secondary{background:linear-gradient(135deg,rgba(112,71,199,.24),rgba(112,71,199,.09));border-color:rgba(169,135,255,.35);color:#eee9ff}
.btn-secondary:hover{border-color:rgba(169,135,255,.62)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line);color:#fff}
.btn-ghost:hover{border-color:var(--line-strong);background:rgba(255,255,255,.055)}
.btn svg{width:18px;height:18px;flex:0 0 auto}

/* Hero */
.hero{position:relative;overflow:hidden;padding:96px 0 84px;min-height:calc(100svh - var(--header-h));display:flex;align-items:center}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 83%)
}
.hero::after{content:"";position:absolute;width:560px;height:560px;right:-200px;top:-210px;border-radius:50%;background:radial-gradient(circle,rgba(112,71,199,.19),transparent 68%);filter:blur(10px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(380px,.82fr);gap:62px;align-items:center;position:relative;z-index:1}
.hero h1{max-width:870px}
.hero .lead{margin:27px 0 31px}
.hero-kicker{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}
.pill{border:1px solid var(--line);background:rgba(255,255,255,.025);padding:8px 11px;border-radius:999px;color:#bcc5cf;font-size:.76rem;font-weight:720}
.pill strong{color:#fff}

.hero-visual{position:relative;min-height:470px;display:grid;place-items:center}
.tech-orbit{width:min(430px,90vw);aspect-ratio:1;border-radius:50%;position:relative;border:1px solid rgba(255,255,255,.08);background:radial-gradient(circle at 50% 50%,rgba(89,230,59,.07),transparent 54%)}
.tech-orbit::before,.tech-orbit::after{content:"";position:absolute;border-radius:50%;inset:11%;border:1px solid rgba(169,135,255,.16)}
.tech-orbit::after{inset:25%;border-color:rgba(89,230,59,.18)}
.orbit-center{position:absolute;inset:35%;display:grid;place-items:center;border-radius:24px;background:linear-gradient(145deg,#161c22,#0d1015);border:1px solid var(--line-strong);box-shadow:var(--shadow);z-index:3}
.orbit-center img{width:76px;height:76px;object-fit:contain;filter:drop-shadow(0 0 14px rgba(89,230,59,.15))}
.orbit-card{position:absolute;z-index:4;width:150px;padding:15px;border:1px solid var(--line);background:rgba(15,19,25,.88);backdrop-filter:blur(12px);border-radius:16px;box-shadow:0 18px 46px rgba(0,0,0,.25)}
.orbit-card b{display:block;color:#fff;font-size:.86rem}
.orbit-card span{display:block;color:var(--muted);font-size:.7rem;margin-top:4px}
.orbit-card.a{top:4%;left:1%}.orbit-card.b{right:-4%;top:39%}.orbit-card.c{left:4%;bottom:2%}
.orbit-node{position:absolute;width:11px;height:11px;border-radius:50%;background:var(--green);box-shadow:0 0 20px var(--green)}
.orbit-node.n1{left:48%;top:-5px}.orbit-node.n2{right:8%;bottom:14%}.orbit-node.n3{left:9%;top:50%;background:var(--purple-soft);box-shadow:0 0 20px var(--purple-soft)}

/* Metrics / trust */
.metric-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.012)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:24px 18px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;color:#fff;font-size:1.25rem;letter-spacing:-.02em}
.metric span{display:block;color:var(--muted);font-size:.8rem;margin-top:3px}

/* Section headers */
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;margin-bottom:44px}
.section-head .copy{max-width:700px}
.section-head p{color:var(--muted);margin:14px 0 0}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card,.project-card,.info-card,.contact-card,.material-card{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow:0 18px 60px rgba(0,0,0,.16)
}
.service-card{padding:30px;min-height:310px;display:flex;flex-direction:column}
.service-card::after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-80px;top:-80px;background:radial-gradient(circle,rgba(112,71,199,.18),transparent 68%)}
.service-card.featured::after{background:radial-gradient(circle,rgba(89,230,59,.18),transparent 68%)}
.service-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:rgba(89,230,59,.08);border:1px solid rgba(89,230,59,.22);margin-bottom:42px}
.service-icon.purple{background:rgba(112,71,199,.11);border-color:rgba(169,135,255,.23)}
.service-icon svg{width:27px;height:27px;stroke:var(--green-soft)}
.service-icon.purple svg{stroke:var(--purple-soft)}
.service-card h3{font-size:1.52rem}
.service-card p{color:var(--muted);margin:12px 0 26px;font-size:.95rem}
.card-link{display:inline-flex;align-items:center;gap:8px;color:#fff;font-size:.84rem;font-weight:800;margin-top:auto}
.card-link::after{content:"→";color:var(--green);transition:transform .18s ease}
.card-link:hover::after{transform:translateX(4px)}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:process}
.process-step{padding:26px 24px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.018);counter-increment:process}
.process-step::before{content:"0" counter(process);display:block;color:var(--green);font-size:.72rem;font-weight:900;letter-spacing:.12em;margin-bottom:38px}
.process-step h3{font-size:1.14rem}
.process-step p{font-size:.88rem;color:var(--muted);margin:10px 0 0}

/* Portfolio */
.portfolio-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.project-card{grid-column:span 4;min-height:430px;display:flex;flex-direction:column}
.project-card.wide{grid-column:span 8}
.project-media{position:relative;aspect-ratio:16/10;background:linear-gradient(145deg,#171b22,#0c0e12);overflow:hidden;border-bottom:1px solid var(--line)}
.project-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease,filter .4s ease}
.project-card:hover .project-media img{transform:scale(1.035)}
.project-media.tech{display:grid;place-items:center;isolation:isolate}
.project-media.tech::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:28px 28px;z-index:-1}
.tech-glyph{width:42%;aspect-ratio:1;position:relative;border:1px solid rgba(89,230,59,.3);border-radius:28px;transform:rotate(8deg);box-shadow:0 0 80px rgba(89,230,59,.08)}
.tech-glyph::before,.tech-glyph::after{content:"";position:absolute;border:1px solid rgba(169,135,255,.4);border-radius:16px}
.tech-glyph::before{inset:18%;transform:rotate(-23deg)}
.tech-glyph::after{inset:36%;background:rgba(112,71,199,.08)}
.project-body{padding:22px 23px 24px;display:flex;flex-direction:column;flex:1}
.project-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:13px}
.tag{font-size:.68rem;font-weight:850;text-transform:uppercase;letter-spacing:.08em;padding:6px 8px;border-radius:999px;background:rgba(89,230,59,.09);color:var(--green-soft);border:1px solid rgba(89,230,59,.16)}
.tag.purple{background:rgba(112,71,199,.11);color:#c6afff;border-color:rgba(169,135,255,.17)}
.project-body h3{font-size:1.28rem}
.project-body p{color:var(--muted);font-size:.89rem;margin:11px 0 0}

.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.filter-btn{border:1px solid var(--line);background:rgba(255,255,255,.025);color:var(--muted);padding:9px 13px;border-radius:999px;font-weight:760;font-size:.78rem}
.filter-btn.active,.filter-btn:hover{color:#fff;border-color:rgba(89,230,59,.34);background:rgba(89,230,59,.08)}
.project-card[hidden]{display:none!important}

/* Split sections */
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{min-height:460px;border-radius:28px;overflow:hidden;border:1px solid var(--line);background:linear-gradient(145deg,#161b22,#0b0e12);position:relative}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media.grid-art::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:34px 34px}
.split-media.grid-art::after{content:"";position:absolute;inset:15%;border:1px solid rgba(89,230,59,.27);border-radius:30px;transform:rotate(-7deg);box-shadow:45px 40px 0 -1px rgba(112,71,199,.06),45px 40px 0 0 rgba(169,135,255,.19)}
.split-copy p{color:var(--muted)}
.feature-list{list-style:none;padding:0;margin:26px 0 30px;display:grid;gap:13px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;color:#d7dce3}
.feature-list li::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 14px rgba(89,230,59,.5);margin-top:8px;flex:0 0 auto}

/* Page hero */
.page-hero{padding:92px 0 64px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::after{content:"";position:absolute;inset:auto -20% -70% 40%;height:420px;background:radial-gradient(ellipse,rgba(112,71,199,.16),transparent 66%);pointer-events:none}
.page-hero .lead{margin-top:20px}
.breadcrumbs{display:flex;gap:9px;color:#7f8995;font-size:.76rem;margin-bottom:24px}
.breadcrumbs span{color:#424a54}

/* CTA */
.cta-panel{position:relative;overflow:hidden;border:1px solid rgba(89,230,59,.18);border-radius:30px;padding:56px;background:linear-gradient(120deg,rgba(89,230,59,.08),rgba(112,71,199,.09) 58%,rgba(255,255,255,.025));box-shadow:var(--shadow)}
.cta-panel::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;right:-130px;top:-170px;background:radial-gradient(circle,rgba(169,135,255,.14),transparent 70%)}
.cta-panel h2{max-width:760px}
.cta-panel p{color:#c2cad4;max-width:730px;margin:18px 0 28px}

/* Forms */
.form-shell{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(255,255,255,.04),rgba(255,255,255,.018));padding:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group.full{grid-column:1/-1}
label{font-size:.78rem;font-weight:800;color:#dfe4ea;letter-spacing:.01em}
input,select,textarea{
  width:100%;border:1px solid var(--line);background:#0b0e12;color:#fff;border-radius:12px;padding:13px 14px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease
}
input,select{min-height:48px}
textarea{min-height:145px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:rgba(89,230,59,.55);box-shadow:0 0 0 3px rgba(89,230,59,.08);background:#0d1116}
input::placeholder,textarea::placeholder{color:#68727e}
.form-note{font-size:.76rem;color:#808a96}
.form-actions{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:22px;flex-wrap:wrap}
.form-status{display:none;padding:13px 15px;border-radius:12px;margin-top:16px;font-size:.86rem}
.form-status.show{display:block}
.form-status.success{background:rgba(89,230,59,.08);border:1px solid rgba(89,230,59,.22);color:#caffbd}
.form-status.error{background:rgba(255,109,122,.08);border:1px solid rgba(255,109,122,.22);color:#ffc4ca}
.honeypot{position:absolute!important;left:-10000px!important;top:auto!important;width:1px!important;height:1px!important;overflow:hidden!important}
.file-drop{border:1px dashed rgba(169,135,255,.35);border-radius:14px;padding:18px;background:rgba(112,71,199,.05)}
.file-drop input{background:transparent;border:0;padding:0;min-height:auto}
.file-list{font-size:.76rem;color:var(--muted);margin-top:8px}

.contact-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px}
.contact-stack{display:grid;gap:14px}
.contact-card{padding:24px}
.contact-card strong{display:block;font-size:.92rem;margin-bottom:7px}
.contact-card p,.contact-card a{font-size:.88rem;color:var(--muted);margin:0}
.contact-card a:hover{color:var(--green-soft)}
.map-wrap{border-radius:20px;overflow:hidden;border:1px solid var(--line);min-height:360px}
.map-wrap iframe{display:block;width:100%;height:100%;min-height:360px;border:0;filter:grayscale(.45) contrast(1.05) brightness(.84)}

/* Material selector info */
.material-info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
.material-card{padding:20px}
.material-card h4{display:flex;justify-content:space-between;gap:10px}
.material-card p{color:var(--muted);font-size:.82rem;margin:9px 0 0}
.material-score{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-top:16px}
.score-dot{height:4px;border-radius:999px;background:rgba(255,255,255,.08)}
.score-dot.on{background:linear-gradient(90deg,var(--green),var(--purple-soft))}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:54px 0 24px;background:#07090c}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:15px}
.footer-brand img{width:42px;height:42px}.footer-brand strong{font-size:1rem}
.footer-copy{color:#7f8995;font-size:.82rem;max-width:340px}
.footer-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:#dce1e8;margin-bottom:14px}
.footer-links{display:grid;gap:8px}
.footer-links a{color:#89939f;font-size:.82rem}.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid var(--line);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#66707b;font-size:.74rem}

/* Floating actions */
.floating-actions{position:fixed;right:18px;bottom:18px;z-index:600;display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.floating-actions a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:13px;background:rgba(13,16,21,.9);backdrop-filter:blur(12px);box-shadow:0 12px 32px rgba(0,0,0,.25);font-size:.78rem;font-weight:800;color:#e5e9ee}
.floating-actions a.primary{background:linear-gradient(135deg,var(--green-soft),var(--green));color:#071008;border-color:transparent}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.btn,.project-media img{transition:none}}

/* Responsive */
@media (max-width:1050px){
  .hero-grid{grid-template-columns:1fr;gap:38px}.hero{min-height:auto;padding:84px 0 76px}.hero-visual{min-height:390px}.tech-orbit{width:390px}
  .card-grid{grid-template-columns:1fr 1fr}.service-card:last-child{grid-column:1/-1}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}.project-card,.project-card.wide{grid-column:auto}
  .split{gap:42px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid .footer-col:last-child{grid-column:2/4}
}

@media (max-width:900px){
  :root{--header-h:70px}
  .container{width:min(var(--max),calc(100% - 28px))}.section{padding:76px 0}.section-tight{padding:54px 0}
  .menu-toggle{display:flex;flex-direction:column}
  .main-nav{
    position:fixed;left:14px;right:14px;top:calc(var(--header-h) + 8px);display:none;flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(12,15,20,.98);border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);max-height:calc(100svh - 96px);overflow:auto
  }
  .main-nav.open{display:flex}.main-nav a{padding:13px 14px;font-size:.92rem}.main-nav a.active{box-shadow:none;background:rgba(89,230,59,.08);color:#d9ffd0}
  .nav-actions .nav-order{display:none}.brand-tag{display:none}
  .metrics{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .process-grid{grid-template-columns:1fr 1fr}
  .split,.contact-layout{grid-template-columns:1fr}.split.reverse .split-media{order:0}.split-media{min-height:360px}
  .section-head{align-items:flex-start;flex-direction:column;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr}.footer-grid .footer-col:last-child{grid-column:auto}
}

@media (max-width:650px){
  body{font-size:15px}.container{width:min(var(--max),calc(100% - 22px))}
  .hero{padding:66px 0 58px}.hero h1{font-size:clamp(2.55rem,14vw,4.2rem)}.hero .lead{margin:21px 0 25px}
  .hero-visual{min-height:330px}.tech-orbit{width:min(315px,90vw)}.orbit-card{width:122px;padding:11px}.orbit-card b{font-size:.74rem}.orbit-card span{font-size:.62rem}.orbit-card.b{right:-1%}
  .btn-row{align-items:stretch}.btn-row .btn{flex:1 1 180px}
  .card-grid,.portfolio-grid,.process-grid,.material-info-grid{grid-template-columns:1fr}.service-card:last-child{grid-column:auto}
  .project-card{min-height:auto}
  .section{padding:64px 0}.section-tight{padding:46px 0}.page-hero{padding:64px 0 48px}
  .cta-panel{padding:32px 23px;border-radius:22px}
  .form-shell{padding:20px}.form-grid{grid-template-columns:1fr}.form-group.full{grid-column:auto}
  .footer-grid{grid-template-columns:1fr}.footer-grid .footer-col:last-child{grid-column:auto}.footer-bottom{flex-direction:column}
  .floating-actions{right:11px;bottom:11px}.floating-actions a:not(.primary){display:none}
  .lang-switch a{padding:6px 8px}.brand img{width:40px;height:40px}
}

@media (max-width:400px){
  .nav-shell{gap:8px}.brand{gap:7px}.brand-name{font-size:.9rem}.lang-switch a{padding:5px 7px;font-size:.68rem}
  .metric{padding:20px 12px}.metric strong{font-size:1.05rem}.metric span{font-size:.72rem}
}
@media (max-width:900px){
  .contact-stack[style*="grid-template-columns"]{grid-template-columns:1fr 1fr!important}
}
@media (max-width:650px){
  .card-grid[style*="grid-template-columns"],.contact-stack[style*="grid-template-columns"]{grid-template-columns:1fr!important}
}


/* ===== Mobile reliability / touch fixes ===== */
.service-card::after,
.cta-panel::after,
.tech-orbit::before,
.tech-orbit::after,
.split-media.grid-art::before,
.split-media.grid-art::after{pointer-events:none}
.service-card > *, .cta-panel > *{position:relative;z-index:1}
.btn,.main-nav a,.nav-order,.lang-switch a,.menu-toggle,.card-link,.floating-actions a,
.order-options .option,.order-steps .step,label[for],input,select,textarea{
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
.menu-toggle{position:relative;z-index:1202;-webkit-appearance:none;appearance:none}
.main-nav{z-index:1200}
.mobile-nav-order{display:none!important}

@media (max-width:900px){
  /* Mobile content must never disappear because an animation observer failed. */
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  .main-nav.open{display:flex!important}
  .main-nav .mobile-nav-order{
    display:flex!important;align-items:center;justify-content:center;margin-top:8px;
    min-height:46px;padding:12px 14px;border-radius:12px;
    background:linear-gradient(135deg,var(--green-soft),var(--green));color:#071008!important;
    font-weight:850;box-shadow:none!important
  }
  .main-nav .mobile-nav-order.active{background:linear-gradient(135deg,var(--green-soft),var(--green));color:#071008!important}
  .site-header,.nav-shell,.nav-actions,.brand,.lang-switch,.menu-toggle{pointer-events:auto}
  body{padding-bottom:max(76px,env(safe-area-inset-bottom))}
  .floating-actions{bottom:max(11px,env(safe-area-inset-bottom));z-index:850}
}

@media (max-width:650px){
  .btn{min-height:48px}
  .form-actions{align-items:stretch}
  .form-actions .btn{width:100%}
}