/* base.css - shared design system for SmartDrones / AISolar / AITower. Identical across all three repos. Brand colors come from theme.css. */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.skip-link{position:absolute;top:-100px;left:16px;z-index:100;padding:10px 18px;background:var(--accent);color:#04202a;font-weight:600;font-size:.9rem;border-radius:8px;transition:top .2s}
.skip-link:focus{top:16px;outline:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.02em;line-height:1.1}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.accent{color:var(--accent)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
section{padding:100px 0;position:relative}
.section-title{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:700;margin-bottom:18px}
.section-lead{color:var(--muted);font-size:1.08rem;max-width:660px}
.flag-pl{display:inline-block;width:1.15em;height:.78em;margin-left:.2em;border-radius:2px;vertical-align:-.08em;background:linear-gradient(to bottom,#fff 0 50%,#dc143c 50% 100%);box-shadow:0 0 0 1px rgba(255,255,255,.12)}
.standard-callout{margin-top:36px;padding:22px 28px;border-left:3px solid var(--accent);background:var(--panel);border-radius:0 12px 12px 0;max-width:760px}
.standard-callout p{color:var(--txt);line-height:1.65;margin:0;font-size:1.05rem}
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s}
header.scrolled{background:var(--header-scrolled);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:inline-flex;align-items:center;flex-shrink:0}
.logo img{height:34px;width:auto;max-width:180px;display:block}
.nav-links{display:flex;align-items:center;gap:24px;flex:1;justify-content:center;margin:0 20px}
.nav-links a{font-size:.92rem;color:var(--muted);font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--txt)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.88rem;padding:11px 18px;border-radius:999px;transition:.25s;cursor:pointer;border:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-d));color:#04202a;box-shadow:0 8px 30px -8px var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 38px -8px var(--glow)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.nav-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.lang-switch-foot{display:flex;align-items:center;gap:6px;font-size:.82rem;font-weight:500;align-self:center;margin-right:12px}
.lang-switch-foot .lang-switch-link{color:var(--muted);text-decoration:none;padding:2px 4px;border-radius:4px}
.lang-switch-foot .lang-switch-link.is-active{color:var(--txt);font-weight:600}
.lang-switch-foot .lang-switch-sep{color:var(--line);user-select:none;line-height:1}
.lang-switch-head{position:fixed;top:14px;right:20px;z-index:55;display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:999px;background:rgba(8,14,24,.72);backdrop-filter:blur(10px);font-size:.72rem;font-weight:600;letter-spacing:.04em;line-height:1}
.lang-switch-head .lang-switch-link{padding:5px 11px;border-radius:999px;color:var(--muted);text-decoration:none;transition:.2s}
.lang-switch-head .lang-switch-link:hover{color:var(--txt)}
.lang-switch-head .lang-switch-link.is-active{background:var(--accent);color:#04202a}
body.has-pl-banner .lang-switch-head{top:54px}
.pl-banner{position:fixed;top:0;left:0;right:0;z-index:100;min-height:40px;background:var(--accent);color:#04202a;display:flex;align-items:center;justify-content:center;padding:8px 44px;font-size:.875rem;font-weight:500}
.pl-banner[hidden]{display:none!important}
.pl-banner a{color:#04202a;font-weight:700;text-decoration:underline;text-underline-offset:2px}
.pl-banner-close{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:transparent;border:0;color:#04202a;font-size:1.35rem;line-height:1;cursor:pointer;padding:4px 8px}
body.has-pl-banner{padding-top:40px}
body.has-pl-banner header{top:40px}
body.has-pl-banner .skip-link:focus{top:56px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.burger span{width:24px;height:2px;background:var(--txt)}
.hero{padding:150px 0 80px;min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg picture{position:absolute;inset:0;width:100%;height:100%}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.40}
.hero-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 78% 8%,rgba(var(--accent-rgb),.18),transparent 55%),linear-gradient(180deg,var(--hero-overlay-top) 0%,var(--hero-overlay-mid) 55%,var(--bg) 100%)}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.3rem,5vw,3.8rem);font-weight:700;margin-bottom:22px}
.hero h1 span{background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:1.14rem;color:var(--muted);max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stats .stat strong{font-family:'Space Grotesk';font-size:1.6rem;color:var(--txt);display:block}
.hero-stats .stat span{font-size:.82rem;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:18px;border:1px solid var(--line);box-shadow:0 30px 60px rgba(0,0,0,.55)}
.proof{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2)}
.proof .wrap{display:flex;align-items:center;justify-content:space-around;gap:24px;flex-wrap:wrap;text-align:center}
.proof .p strong{font-family:'Space Grotesk';font-size:1.7rem;color:var(--txt);display:block}
.proof .p span{font-size:.8rem;color:var(--muted);letter-spacing:.04em}
.grid{display:grid;gap:22px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.3s}
a.card{display:block;color:inherit}
.card:hover{border-color:rgba(var(--accent-rgb),.45);transform:translateY(-4px)}
.card .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.28);margin-bottom:18px;color:var(--accent);font-size:1.2rem}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card h3 small{display:block;font-family:'Inter';font-weight:500;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.card p{color:var(--muted);font-size:.95rem}
.hw-card{padding:0;overflow:hidden}
.hw-card .hw-body{padding:24px 30px 30px}
.hw-shot{aspect-ratio:16/10;background:#0a1120;border-bottom:1px solid var(--line);overflow:hidden}
.hw-shot picture{display:block;width:100%;height:100%}
.hw-shot img{width:100%;height:100%;object-fit:cover;display:block}
.hw-shot.is-placeholder{display:grid;place-items:center;background:linear-gradient(135deg,var(--panel),var(--panel-2));min-height:180px}
.hw-shot.is-placeholder::after{content:"Photo coming soon";font-size:.82rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px}
.scard{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.scard:hover{border-color:rgba(var(--accent-rgb),.45);transform:translateY(-4px)}
.scard .shot{aspect-ratio:16/10;background:#0a1120;overflow:hidden;border-bottom:1px solid var(--line)}
.scard .shot picture{display:block;width:100%;height:100%}
.scard .shot img{width:100%;height:100%;object-fit:cover}
.scard .body{padding:24px}
.scard .step-n{font-family:'Space Grotesk';font-size:.8rem;font-weight:700;color:var(--accent);letter-spacing:.1em}
.scard h3{font-size:1.2rem;margin:8px 0 6px}
.scard h3 b{color:var(--accent)}
.scard .tags{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.scard .tags span{font-size:.85rem;color:var(--muted);display:flex;gap:8px;align-items:center}
.scard .tags span::before{content:"\2713";color:var(--accent);font-size:.78rem}
.metrics{margin-top:24px;background:linear-gradient(135deg,#0f1f30,#0c1626);border:1px solid rgba(var(--accent-rgb),.25);border-radius:16px;padding:24px 30px;display:flex;justify-content:space-around;gap:20px;flex-wrap:wrap;text-align:center}
.metrics .m strong{font-family:'Space Grotesk';font-size:1.5rem;color:var(--accent);display:block}
.metrics .m span{font-size:.82rem;color:var(--muted)}
.stack{display:grid;gap:14px;margin-top:50px}
.layer{display:grid;grid-template-columns:210px 1fr;gap:24px;align-items:center;background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:14px;padding:22px 26px;transition:.3s}
.layer:hover{border-color:rgba(var(--accent-rgb),.45);transform:translateX(4px)}
.layer .tag{font-family:'Space Grotesk';font-weight:700;font-size:1.12rem;color:var(--accent)}
.layer .tag small{display:block;font-family:'Inter';font-weight:500;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.layer p{color:var(--muted);font-size:.95rem}
.layer.apps .tag{color:var(--accent-2)}
.app-pills{display:flex;gap:10px;flex-wrap:wrap}
.app-pills .pill{font-family:'Space Grotesk';font-weight:600;font-size:.86rem;padding:8px 14px;border-radius:999px;background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.3);color:var(--txt)}
.layer.apps{align-items:start}
.layer.apps>div p{color:var(--muted);font-size:.95rem}
.app-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.app-item{background:rgba(var(--accent-rgb),.06);border:1px solid rgba(var(--accent-rgb),.22);border-radius:12px;padding:13px 15px}
.app-item b{font-family:'Space Grotesk';font-weight:700;color:var(--accent-2);font-size:1rem}
.app-item span{font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-left:8px}
.app-item p{color:var(--muted);font-size:.85rem;margin-top:6px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .visual{background:radial-gradient(80% 80% at 50% 30%,rgba(var(--accent-rgb),.16),transparent 70%);border-radius:24px;padding:24px;border:1px solid var(--line)}
.split .visual img{width:100%;display:block;border-radius:10px;filter:drop-shadow(0 24px 48px rgba(0,0,0,.55))}
picture{display:block;max-width:100%}
picture img{max-width:100%;height:auto;display:block}
.split.rev .visual{order:-1}
.feat-list{list-style:none;margin-top:24px;display:grid;gap:16px}
.feat-list li{display:flex;gap:14px;align-items:flex-start;color:var(--muted)}
.feat-list li b{color:var(--txt);font-weight:600}
.check{flex:0 0 22px;width:22px;height:22px;border-radius:6px;background:rgba(var(--accent-rgb),.12);border:1px solid rgba(var(--accent-rgb),.4);display:grid;place-items:center;color:var(--accent);font-size:.7rem;margin-top:3px}
.report-split{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center;margin-top:60px}
.report-split img{width:100%;max-width:340px;border-radius:12px;box-shadow:0 30px 60px -20px rgba(0,0,0,.7);border:1px solid var(--line)}
.report-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.report-gallery img{width:100%;border-radius:12px;box-shadow:0 24px 48px -20px rgba(0,0,0,.65);border:1px solid var(--line);display:block}
.visual-duo{display:grid;gap:14px}
.visual-duo img{width:100%;display:block;border-radius:10px;filter:drop-shadow(0 24px 48px rgba(0,0,0,.55))}
.actors{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:20px}
.actor{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}
.actor h4{font-family:'Space Grotesk';font-size:1.05rem;color:var(--accent);margin-bottom:8px}
.actor p{font-size:.88rem;color:var(--muted)}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:18px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 16px}
.step .n{font-family:'Space Grotesk';font-size:.78rem;color:var(--accent);font-weight:700}
.step h4{font-family:'Space Grotesk';font-size:.98rem;margin:8px 0 6px}
.step p{font-size:.8rem;color:var(--muted)}
.bizmodel{margin-top:28px;background:linear-gradient(135deg,#0f1f30,#0c1626);border:1px solid rgba(var(--accent-rgb),.25);border-radius:18px;padding:30px 34px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.bizmodel .big{font-family:'Space Grotesk';font-weight:700;font-size:1.25rem}
.bizmodel p{color:var(--muted);flex:1;min-width:260px}
.partner-card .badge{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.partner-card .arrow{margin-top:16px;color:var(--accent);font-weight:600;font-size:.9rem}
.examples{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px}
.examples span{font-size:.86rem;color:var(--muted);background:var(--panel);border:1px solid var(--line);padding:8px 14px;border-radius:999px}
.partners-strip{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin-top:40px}
.ptile{background:#fff;border-radius:14px;height:96px;min-width:200px;padding:18px 28px;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 32px -14px rgba(0,0,0,.55)}
.ptile img{max-height:54px;max-width:190px;width:auto;object-fit:contain;display:block}
.ptile .wm{font-family:'Space Grotesk';font-weight:700;font-size:1.15rem;color:#1d2e52;text-align:center;line-height:1.15;letter-spacing:.01em}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:50px}
.member{text-align:center}
.member .ph{width:128px;height:128px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:2px solid rgba(var(--accent-rgb),.4);background:#0a1120}
.member .ph img{width:100%;height:100%;object-fit:cover}
.member .ph picture{display:block;width:100%;height:100%}
.member h4{font-size:1.1rem;margin-bottom:4px}
.member .role{color:var(--accent);font-size:.85rem;font-weight:600}
.member .desc{color:var(--muted);font-size:.82rem;margin-top:4px}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.about-stats .s{border-left:2px solid var(--accent);padding-left:18px}
.about-stats .s strong{font-family:'Space Grotesk';font-size:1.9rem;display:block}
.about-stats .s span{color:var(--muted);font-size:.86rem}
.compliance{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px}
.compliance .c{font-size:.85rem;color:var(--muted);background:var(--panel);border:1px solid var(--line);padding:10px 16px;border-radius:999px}
.compliance .c b{color:var(--txt);font-weight:600}
.banner{margin-top:50px;background:linear-gradient(135deg,#0f1f30,#0c1626);border:1px solid rgba(var(--accent-rgb),.22);border-radius:24px;padding:46px;text-align:center;position:relative;overflow:hidden}
.banner::before{content:"";position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:560px;height:560px;background:radial-gradient(circle,var(--glow),transparent 60%);opacity:.45}
.banner *{position:relative}
.contact{background:var(--bg-2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact .info p{color:var(--muted);margin-bottom:26px;max-width:440px}
.channel{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.channel .ic{width:42px;height:42px;border-radius:10px;background:rgba(var(--accent-rgb),.1);border:1px solid rgba(var(--accent-rgb),.25);display:grid;place-items:center;color:var(--accent)}
.channel a,.channel span{color:var(--txt);font-weight:500}
form{display:grid;gap:16px;background:var(--panel);border:1px solid var(--line);padding:32px;border-radius:var(--radius)}
form label{font-size:.82rem;color:var(--muted);margin-bottom:-8px}
input,textarea{width:100%;background:#0a1120;border:1px solid var(--line);border-radius:10px;padding:13px 15px;color:var(--txt);font-family:inherit;font-size:.95rem;transition:.2s}
input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.14)}
textarea{resize:vertical;min-height:110px}
footer{padding:50px 0 36px;border-top:1px solid var(--line)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot img{height:30px;width:auto;display:block}
.foot .links{display:flex;gap:24px;flex-wrap:wrap}
.foot .links a{color:var(--muted);font-size:.88rem}
.foot .links a:hover{color:var(--accent)}
.foot-company{display:flex;flex-direction:column;gap:6px;margin-top:24px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;line-height:1.55}
.foot-company strong{color:var(--text)}
.foot-company a{color:var(--muted)}
.foot-company a:hover{color:var(--accent)}
.copy{color:var(--muted);font-size:.82rem;margin-top:24px;text-align:center}
.legal-page{padding:140px 0 80px;min-height:60vh}
.legal-page .legal-body{max-width:760px}
.legal-page .legal-updated{color:var(--muted);font-size:.92rem;margin:-8px 0 36px}
.legal-page h2{font-size:1.25rem;font-weight:600;margin:32px 0 12px;color:var(--txt)}
.legal-page p,.legal-page li{color:var(--muted);font-size:.98rem;line-height:1.7;margin-bottom:12px}
.legal-page ul{margin:0 0 16px 1.2em;padding:0}
.legal-page a{color:var(--accent)}
.form-privacy{font-size:.82rem;color:var(--muted);line-height:1.55;margin-top:-4px}
.form-privacy a{color:var(--accent);font-weight:500}
.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(max-width:1320px){
  .nav-cta .btn-ghost[data-form-message]{display:none}
}
@media(max-width:980px){
  .hero-grid,.split,.contact-grid,.report-split{grid-template-columns:1fr}
  .report-gallery{grid-template-columns:1fr}
  .hero-visual{display:none}
  .cols-3,.steps3,.actors,.team-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .layer{grid-template-columns:1fr;gap:10px}
  .app-list{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr}
  .split.rev .visual{order:0}
  .report-split img{max-width:260px}
  .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--header-scrolled);flex-direction:column;padding:24px;gap:20px;border-bottom:1px solid var(--line);flex:unset;margin:0}
  .nav-links.open{display:flex}
  .burger{display:flex}
  .nav-cta{margin-left:auto;margin-right:8px}
  .nav-cta .btn-ghost{display:none}
  .nav-cta .btn-primary{padding:10px 14px;font-size:.82rem}
  .lang-switch-head{position:static;top:auto;right:auto;transform:none;margin-right:2px;flex-shrink:0;padding:2px;font-size:.65rem}
  .lang-switch-head .lang-switch-link{padding:4px 8px}
  body.has-pl-banner .lang-switch-head{top:auto}
}
@media(max-width:560px){
  section{padding:70px 0}
  .cols-3,.steps3,.actors,.team-grid,.flow{grid-template-columns:1fr}
  .flow{gap:0}
  .flow .step:not(:last-child)::after{content:"\2193";display:block;text-align:center;color:var(--accent);padding:10px 0;font-size:1.1rem;line-height:1}
  .about-stats{grid-template-columns:1fr 1fr}
  .banner{padding:30px 20px}
  .proof .p strong{font-size:1.35rem}
  .metrics .m strong{font-size:1.25rem}
}
@media(max-width:360px){
  .proof .wrap{gap:16px}
  .proof .p strong{font-size:1.2rem}
  .hero-stats{gap:20px}
}

@media (prefers-reduced-motion: reduce){*{animation:none!important;scroll-behavior:auto!important}.reveal{opacity:1!important;transform:none!important;transition:none!important}}
.nav-links a.active{color:var(--txt)}
.nav-links a.active::after{content:'';display:block;height:2px;background:var(--accent);border-radius:2px;margin-top:2px}