:root{
  --bg:#04070d;
  --surface:#0a0f1a;
  --card:#0d1320;
  --card-strong:#101829;
  --border:rgba(56,182,255,.14);
  --accent:#00b4ff;
  --accent2:#7c3aed;
  --accent3:#f43f5e;
  --gold:#f0c040;
  --text:#e2e8f0;
  --muted:#7b8ba4;
  --white:#fff;
  --mono:'JetBrains Mono','Fira Code',monospace;
  --sans:'Manrope',system-ui,-apple-system,sans-serif;
  --display:'Syne','Manrope',sans-serif;
  --radius:14px;
  --glow:0 0 40px rgba(0,180,255,.14);
  --cookie-offset:0px;
  --keyboard-offset:0px;
  --chat-mobile-height:78dvh;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:92px;}
body{
  background:
    radial-gradient(circle at top left,rgba(0,180,255,.09),transparent 28%),
    radial-gradient(circle at 90% 10%,rgba(124,58,237,.08),transparent 26%),
    radial-gradient(circle at 50% 90%,rgba(244,63,94,.06),transparent 24%),
    var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  overflow-x:hidden;
  min-height:100vh;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at center,rgba(0,0,0,.9),transparent 88%);
  opacity:.34;
}
body.modal-open,
body.chat-open{overflow:hidden;}
a{color:var(--accent);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--gold);}
img,svg,video,iframe{display:block;max-width:100%;}
button,input,textarea,select{font:inherit;}
button{cursor:pointer;border:none;background:none;color:inherit;}
section,.video-section,.map-section,.footer{position:relative;z-index:1;}

::-webkit-scrollbar{width:7px;height:7px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--accent),var(--accent2));border-radius:999px;}

.nav{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  height:72px;
  padding:0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:rgba(4,7,13,.78);
  backdrop-filter:blur(22px);
  border-bottom:1px solid var(--border);
  transition:transform .35s ease,background .25s ease;
}
.nav.hide{transform:translateY(-100%);}
.nav-logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:var(--white);
}
.nav-logo-mark{
  font-family:var(--display);
  font-size:23px;
  letter-spacing:2px;
  font-weight:800;
}
.nav-logo-mark span{color:var(--accent);}
.nav-logo small{
  display:block;
  font-family:var(--mono);
  font-size:9px;
  letter-spacing:2.6px;
  text-transform:uppercase;
  color:var(--muted);
  line-height:1.2;
}
.nav-links{display:flex;align-items:center;gap:4px;min-width:0;}
.nav-link{
  padding:10px 14px;
  border-radius:999px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1.3px;
  text-transform:uppercase;
  color:var(--muted);
  white-space:nowrap;
}
.nav-link:hover,
.nav-link.active{
  color:var(--white);
  background:rgba(255,255,255,.06);
}
.nav-right{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.lang-switcher{
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:0 10px 30px rgba(0,0,0,.18);
}
.lang-btn{
  min-width:40px;
  height:36px;
  padding:0 10px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  transition:all .25s ease;
}
.lang-btn:hover{color:var(--white);background:rgba(255,255,255,.06);}
.lang-btn.active{
  color:#04101e;
  background:linear-gradient(135deg,var(--gold),#ffd26b);
  box-shadow:0 10px 24px rgba(240,192,64,.24);
}
.lang-glyph{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1.1px;
  font-weight:700;
  text-transform:uppercase;
}
.lang-btn-zh .lang-glyph{text-transform:none;}
.nav-phone{
  padding:10px 16px;
  border:1px solid rgba(0,180,255,.28);
  border-radius:999px;
  color:var(--accent);
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.8px;
}
.nav-phone:hover{
  background:rgba(0,180,255,.08);
  border-color:var(--accent);
}
.nav-cta{
  padding:12px 20px;
  border-radius:999px;
  color:var(--bg);
  background:linear-gradient(135deg,var(--accent),#7be2ff);
  font-family:var(--mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:1.7px;
  text-transform:uppercase;
  box-shadow:0 14px 34px rgba(0,180,255,.22);
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.nav-cta:hover{
  transform:translateY(-2px);
  background:linear-gradient(135deg,var(--gold),#ffd87f);
  box-shadow:0 14px 34px rgba(240,192,64,.22);
}
.burger{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--border);
  border-radius:12px;
  font-size:18px;
  background:rgba(255,255,255,.03);
}

.hero{
  min-height:100vh;
  padding:132px 32px 84px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero-bg,.hero-grid,.hero-orbit{position:absolute;inset:0;pointer-events:none;}
.hero-bg{
  background:
    radial-gradient(ellipse 60% 48% at 20% 42%,rgba(0,180,255,.14),transparent 60%),
    radial-gradient(ellipse 50% 44% at 78% 26%,rgba(124,58,237,.14),transparent 62%),
    radial-gradient(ellipse 36% 34% at 56% 82%,rgba(244,63,94,.1),transparent 60%);
}
.hero-grid{
  background-image:
    linear-gradient(rgba(0,180,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,180,255,.045) 1px,transparent 1px);
  background-size:68px 68px;
  opacity:.55;
}
.hero-orbit{
  border-radius:50%;
  border:1px solid rgba(255,255,255,.06);
  filter:blur(.2px);
}
.hero-orbit-1{
  inset:auto auto 14% 50%;
  width:420px;
  height:420px;
  transform:translateX(-5%);
  animation:spinSlow 18s linear infinite;
}
.hero-orbit-2{
  inset:10% auto auto 12%;
  width:220px;
  height:220px;
  animation:spinSlowReverse 14s linear infinite;
}
@keyframes spinSlow{from{transform:translateX(-5%) rotate(0deg);}to{transform:translateX(-5%) rotate(360deg);}}
@keyframes spinSlowReverse{from{transform:rotate(360deg);}to{transform:rotate(0deg);}}
.hero-inner{
  position:relative;
  z-index:2;
  width:min(1400px,100%);
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:64px;
  align-items:center;
}
.hero-copy{max-width:640px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 18px;
  margin-bottom:24px;
  border-radius:999px;
  border:1px solid rgba(0,180,255,.24);
  background:rgba(0,180,255,.06);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:2.6px;
  text-transform:uppercase;
  color:var(--accent);
}
.hero-badge::before{
  content:'';
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 14px rgba(0,180,255,.8);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.hero-h1{
  font-family:var(--display);
  font-size:clamp(42px,6vw,88px);
  line-height:.98;
  letter-spacing:-1.8px;
  margin-bottom:22px;
}
.hero-h1 .accent{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-desc{
  max-width:520px;
  margin-bottom:34px;
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:54px;
  padding:0 28px;
  border-radius:999px;
  font-family:var(--mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:1.8px;
  text-transform:uppercase;
  transition:all .28s ease;
}
.btn-primary{
  color:var(--bg);
  background:linear-gradient(135deg,var(--accent),#7be2ff);
  box-shadow:0 16px 40px rgba(0,180,255,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background:linear-gradient(135deg,var(--gold),#ffe298);
}
.btn-outline{
  border:1px solid var(--border);
  color:var(--text);
  background:rgba(255,255,255,.02);
}
.btn-outline:hover{
  border-color:var(--accent);
  background:rgba(0,180,255,.06);
  color:var(--accent);
}
.hero-visual{display:flex;align-items:center;justify-content:center;}
.hero-card-stack{
  position:relative;
  width:min(100%,530px);
  aspect-ratio:4/3;
}
.hero-floating-card{
  position:absolute;
  overflow:hidden;
  border-radius:20px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(16,24,41,.96),rgba(10,15,26,.96));
  box-shadow:var(--glow);
  transition:transform .35s ease,border-color .25s ease;
}
.hero-floating-card:hover{
  transform:translateY(-6px) scale(1.02);
  border-color:rgba(0,180,255,.3);
}
.hfc-1{top:0;left:0;width:64%;z-index:3;transform:rotate(-5deg);}
.hfc-2{top:19%;right:0;width:57%;z-index:2;transform:rotate(6deg);}
.hfc-3{bottom:0;left:11%;width:51%;z-index:1;transform:rotate(-3deg);}
.hfc-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.hfc-thumb img{position:relative;z-index:2;width:100%;height:100%;object-fit:cover;}
.hfc-thumb img.failed{opacity:0;pointer-events:none;}
.hfc-label{
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:8px;
  border-top:1px solid var(--border);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--accent);
}
.hfc-label::before{
  content:'';
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent3);
  box-shadow:0 0 12px rgba(244,63,94,.7);
}

.section,
.video-inner,
.map-inner,
.footer-inner,
.footer-bottom{
  width:min(1400px,100%);
  margin:0 auto;
}
.section,
.video-section,
.map-section{padding:100px 32px;}
.section-label{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:4px;
  text-transform:uppercase;
  color:var(--accent);
}
.section-label::before{
  content:'';
  width:26px;
  height:1px;
  background:var(--accent);
}
.section-title{
  font-family:var(--display);
  font-size:clamp(30px,4vw,54px);
  line-height:1.08;
  margin-bottom:14px;
}
.section-title .accent{color:var(--accent);}
.section-subtitle{
  max-width:560px;
  margin-bottom:42px;
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
}

.services-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.svc-card{
  position:relative;
  min-height:255px;
  padding:30px 28px;
  border-radius:22px;
  border:1px solid var(--border);
  background:
    linear-gradient(180deg,rgba(255,255,255,.03),transparent 70%),
    linear-gradient(145deg,rgba(11,18,31,.98),rgba(9,13,23,.98));
  overflow:hidden;
  color:inherit;
  transition:transform .35s ease,border-color .25s ease,box-shadow .25s ease;
}
.svc-card::before{
  content:'';
  position:absolute;
  inset:-2px;
  background:linear-gradient(135deg,rgba(0,180,255,.16),transparent 32%,transparent 68%,rgba(124,58,237,.16));
  opacity:0;
  transition:opacity .35s ease;
}
.svc-card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,180,255,.3);
  box-shadow:var(--glow);
}
.svc-card:hover::before{opacity:1;}
.svc-num{
  position:relative;
  z-index:1;
  margin-bottom:26px;
  font-family:var(--mono);
  font-size:11px;
  color:var(--accent);
  opacity:.72;
}
.svc-name{
  position:relative;
  z-index:1;
  margin-bottom:12px;
  font-family:var(--display);
  font-size:22px;
  font-weight:700;
  color:var(--white);
}
.svc-highlight .svc-name{
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.svc-desc{
  position:relative;
  z-index:1;
  max-width:34ch;
  color:var(--muted);
  font-size:13px;
  line-height:1.82;
}
.svc-arrow{
  position:absolute;
  right:24px;
  bottom:24px;
  z-index:1;
  font-size:22px;
  color:var(--accent);
  opacity:0;
  transform:translate(-10px,10px);
  transition:all .28s ease;
}
.svc-card:hover .svc-arrow{
  opacity:1;
  transform:translate(0,0);
}
.video-section{background:rgba(10,15,26,.72);}
.video-tabs{
  display:flex;
  gap:6px;
  margin-bottom:28px;
  padding:6px;
  width:fit-content;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.02);
}
.vtab{
  min-height:42px;
  padding:0 18px;
  border-radius:999px;
  color:var(--muted);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1.8px;
  text-transform:uppercase;
  white-space:nowrap;
  transition:all .25s ease;
}
.vtab.active{
  color:var(--bg);
  background:linear-gradient(135deg,var(--accent),#7be2ff);
}
.vtab:hover:not(.active){
  color:var(--white);
  background:rgba(255,255,255,.05);
}
.video-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.video-card{
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(12,18,30,.98),rgba(9,14,24,.98));
  transition:transform .35s ease,border-color .25s ease,box-shadow .25s ease;
}
.video-card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,180,255,.32);
  box-shadow:var(--glow);
}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--card);}
.video-thumb img{position:relative;z-index:2;width:100%;height:100%;object-fit:cover;transition:transform .35s ease,opacity .35s ease;}
.video-thumb img.failed{opacity:0;pointer-events:none;}
.video-card:hover .video-thumb img:not(.failed){transform:scale(1.04);}
.video-placeholder{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
}
.video-placeholder svg{width:54px;height:54px;opacity:.26;}
.vp-bg{position:absolute;inset:0;opacity:.72;}
.vp-bg-1{background:linear-gradient(135deg,rgba(0,180,255,.18),rgba(124,58,237,.14),rgba(244,63,94,.08));}
.vp-bg-2{background:linear-gradient(135deg,rgba(124,58,237,.18),rgba(244,63,94,.14),rgba(240,192,64,.08));}
.vp-bg-3{background:linear-gradient(135deg,rgba(244,63,94,.16),rgba(0,180,255,.16),rgba(124,58,237,.08));}
.vp-bg-4{background:linear-gradient(135deg,rgba(240,192,64,.14),rgba(0,180,255,.16),rgba(244,63,94,.08));}
.vp-shimmer{
  position:absolute;
  inset:0;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.05) 50%,transparent 70%);
  background-size:200% 100%;
  animation:shimmer 3s ease-in-out infinite;
}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
.vp-dots{position:absolute;inset:0;}
.vp-dot{
  position:absolute;
  border-radius:50%;
  opacity:.12;
}
.vp-dot:nth-child(1){
  top:16%;
  left:18%;
  width:56px;
  height:56px;
  background:var(--accent);
  animation:float1 7s ease-in-out infinite;
}
.vp-dot:nth-child(2){
  top:46%;
  right:14%;
  width:42px;
  height:42px;
  background:var(--accent2);
  animation:float2 9s ease-in-out infinite;
}
.vp-dot:nth-child(3){
  bottom:18%;
  left:42%;
  width:32px;
  height:32px;
  background:var(--accent3);
  animation:float1 8s ease-in-out infinite reverse;
}
@keyframes float1{0%,100%{transform:translate(0,0);}50%{transform:translate(10px,-10px);}}
@keyframes float2{0%,100%{transform:translate(0,0);}50%{transform:translate(-12px,8px);}}
.video-play{
  position:absolute;
  inset:0;
  z-index:3;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(0,0,0,.22);
  opacity:0;
  transition:opacity .28s ease;
}
.video-card:hover .video-play{opacity:1;}
.video-play-icon{
  width:52px;
  height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(0,180,255,.92);
  box-shadow:0 10px 28px rgba(0,180,255,.28);
}
.video-play-icon svg{width:20px;height:20px;color:var(--white);margin-left:2px;}
.video-info{padding:16px 16px 18px;}
.video-info h4{margin-bottom:4px;font-size:14px;color:var(--white);}
.video-info p{font-size:11px;color:var(--muted);}

.map-inner{
  display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:42px;
  align-items:center;
}
.map-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}
.map-tag{
  padding:9px 14px;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.02);
  color:var(--muted);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1px;
}
.map-tag:hover{
  border-color:var(--accent);
  background:rgba(0,180,255,.06);
  color:var(--accent);
}
.map-visual{
  overflow:hidden;
  border-radius:22px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(10,15,26,.96),rgba(7,11,20,.98));
  box-shadow:var(--glow);
  aspect-ratio:16/10;
}
.map-visual svg{width:100%;height:100%;}

.eco-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.eco-card{
  display:block;
  padding:26px 22px;
  border-radius:18px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(8,12,20,.98));
  color:inherit;
  transition:transform .32s ease,border-color .25s ease,box-shadow .25s ease;
}
.eco-card:hover{
  transform:translateY(-4px);
  border-color:rgba(0,180,255,.28);
  box-shadow:var(--glow);
}
.eco-icon{
  width:54px;
  height:54px;
  margin-bottom:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:linear-gradient(135deg,rgba(0,180,255,.16),rgba(124,58,237,.18));
  font-size:24px;
}
.eco-name{
  margin-bottom:6px;
  font-family:var(--display);
  font-size:17px;
  color:var(--white);
}
.eco-desc{
  font-size:12px;
  color:var(--muted);
  line-height:1.75;
}

.greetings-list{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(250px,1fr));
  gap:12px;
}
.greeting-link{
  display:flex;
  align-items:center;
  gap:12px;
  padding:15px 18px;
  border-radius:16px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,255,255,.024),rgba(8,12,20,.98));
  color:var(--text);
  transition:transform .28s ease,border-color .25s ease,background .25s ease;
}
.greeting-link:hover{
  transform:translateY(-2px);
  border-color:rgba(0,180,255,.28);
  background:rgba(0,180,255,.05);
}
.greeting-emoji{
  flex-shrink:0;
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.05);
  font-size:20px;
}
.greeting-text{
  font-size:13px;
  color:var(--white);
}
.greeting-link .arrow{
  margin-left:auto;
  color:var(--accent);
  opacity:0;
  transform:translateX(-6px);
  transition:all .25s ease;
}
.greeting-link:hover .arrow{
  opacity:1;
  transform:translateX(0);
}
.modal-overlay{
  position:fixed;
  inset:0;
  z-index:2000;
  background:rgba(4,7,13,.9);
  backdrop-filter:blur(18px);
  opacity:0;
  pointer-events:none;
  transition:opacity .3s ease;
}
.modal-overlay.open{opacity:1;pointer-events:auto;}
.modal-box{
  position:fixed;
  top:50%;
  left:50%;
  z-index:2001;
  width:min(680px,94vw);
  max-height:min(92vh,860px);
  overflow:auto;
  transform:translate(-50%,-46%);
  border-radius:24px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(12,18,30,.99),rgba(8,11,20,.99));
  box-shadow:0 40px 100px rgba(0,0,0,.58);
  opacity:0;
  pointer-events:none;
  transition:transform .32s ease,opacity .32s ease;
}
.modal-box.open{
  opacity:1;
  pointer-events:auto;
  transform:translate(-50%,-50%);
}
.modal-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:30px 32px 0;
}
.modal-title{
  font-family:var(--display);
  font-size:34px;
  line-height:1.04;
}
.modal-title .accent{color:var(--accent);}
.modal-sub{
  margin-top:8px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:2.5px;
  color:var(--accent);
  text-transform:uppercase;
}
.modal-close{
  flex-shrink:0;
  width:36px;
  height:36px;
  border-radius:12px;
  border:1px solid var(--border);
  color:var(--muted);
  background:rgba(255,255,255,.03);
}
.modal-close:hover{
  color:var(--accent);
  border-color:var(--accent);
}
.modal-body{padding:24px 32px 32px;}
.m-group{margin-bottom:14px;}
.m-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.m-label{
  display:block;
  margin-bottom:8px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--accent);
}
.m-input{
  width:100%;
  border:1px solid var(--border);
  border-radius:14px;
  background:rgba(255,255,255,.035);
  color:var(--text);
  padding:14px 16px;
  font-size:14px;
  outline:none;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.m-input:focus{
  border-color:var(--accent);
  background:rgba(255,255,255,.05);
  box-shadow:0 0 0 3px rgba(0,180,255,.08);
}
.m-input::placeholder{color:var(--muted);}
select.m-input{
  appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300b4ff' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  padding-right:42px;
}
select.m-input option{background:var(--surface);color:var(--text);}
textarea.m-input{
  min-height:110px;
  resize:vertical;
}
.m-submit{
  width:100%;
  min-height:54px;
  margin-top:10px;
  border-radius:16px;
  color:var(--bg);
  background:linear-gradient(135deg,var(--accent),#7be2ff);
  font-family:var(--mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:1.8px;
  text-transform:uppercase;
  box-shadow:0 16px 40px rgba(0,180,255,.24);
  transition:transform .25s ease,opacity .25s ease,background .25s ease;
}
.m-submit:hover{
  transform:translateY(-2px);
  background:linear-gradient(135deg,var(--gold),#ffe298);
}
.m-submit.loading{opacity:.6;pointer-events:none;}
.m-gdpr{
  margin-top:12px;
  text-align:center;
  font-size:11px;
  color:var(--muted);
  line-height:1.7;
}
.m-success{display:none;text-align:center;padding:44px 14px 18px;}
.m-success.show{display:block;}
.m-success h3{
  margin-bottom:10px;
  font-family:var(--display);
  font-size:30px;
  color:var(--accent);
}
.m-success p{font-size:14px;color:var(--muted);line-height:1.85;}

.chat-fab{
  position:fixed;
  right:26px;
  bottom:calc(36px + var(--cookie-offset));
  z-index:520;
  display:flex;
  align-items:center;
  gap:0;
  transition:bottom .25s ease;
}
.chat-fab-label{
  margin-right:-10px;
  padding:11px 16px 11px 18px;
  border:1px solid var(--border);
  border-radius:22px 12px 12px 22px;
  background:rgba(10,15,26,.92);
  backdrop-filter:blur(14px);
  box-shadow:0 18px 44px rgba(0,0,0,.26);
  font-family:var(--mono);
  font-size:9px;
  letter-spacing:1.4px;
  text-transform:uppercase;
  color:var(--accent);
  white-space:nowrap;
  line-height:1.35;
  transition:opacity .3s ease,transform .3s ease;
  pointer-events:none;
}
.chat-fab-label small{
  display:block;
  margin-top:3px;
  font-family:var(--sans);
  font-size:11px;
  letter-spacing:0;
  text-transform:none;
  color:var(--muted);
}
.chat-fab-btn{
  position:relative;
  width:74px;
  height:74px;
  border-radius:26px;
  background:linear-gradient(145deg,#0bc4ff,#7c3aed 78%);
  box-shadow:0 20px 42px rgba(0,180,255,.34);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-radius .3s ease;
}
.chat-fab-btn::before{
  content:'';
  position:absolute;
  inset:-8px;
  border-radius:30px;
  border:2px solid rgba(0,180,255,.18);
  animation:chatPulse 2.6s ease-out infinite;
}
@keyframes chatPulse{
  0%{opacity:.75;transform:scale(1);}
  70%,100%{opacity:0;transform:scale(1.18);}
}
.chat-fab-btn:hover{
  transform:translateY(-4px) rotate(-3deg);
  box-shadow:0 26px 56px rgba(0,180,255,.36);
}
.chat-fab-btn.open{border-radius:22px;transform:none;}
.chat-fab-btn.open::before{animation:none;opacity:0;}
.chat-fab.open .chat-fab-label{
  opacity:0;
  transform:translateX(18px);
}
.chat-mascot{
  position:relative;
  width:52px;
  height:52px;
  transition:transform .28s ease,opacity .28s ease;
}
.chat-cloud,
.chat-face{position:absolute;inset:0;}
.chat-face{stroke:#04101e;}
.ic-close{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  transform:rotate(-90deg) scale(.65);
  transition:opacity .28s ease,transform .28s ease;
}
.ic-close svg{width:24px;height:24px;color:var(--white);}
.chat-fab-btn.open .chat-mascot{
  opacity:0;
  transform:scale(.65);
}
.chat-fab-btn.open .ic-close{
  opacity:1;
  transform:rotate(0deg) scale(1);
}
.chat-panel{
  position:fixed;
  right:26px;
  bottom:calc(126px + var(--cookie-offset));
  z-index:519;
  width:min(420px,calc(100vw - 24px));
  height:min(580px,calc(100dvh - 170px - var(--cookie-offset)));
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:24px;
  border:1px solid var(--border);
  background:linear-gradient(180deg,rgba(13,19,32,.98),rgba(7,11,20,.99));
  box-shadow:0 32px 90px rgba(0,0,0,.58);
  opacity:0;
  pointer-events:none;
  transform:translateY(16px) scale(.97);
  transform-origin:bottom right;
  transition:all .32s cubic-bezier(.22,.61,.36,1);
}
.chat-panel.open{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0) scale(1);
}
.chat-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  padding:16px 16px 14px;
  background:linear-gradient(135deg,rgba(0,180,255,.1),rgba(124,58,237,.08));
  border-bottom:1px solid var(--border);
}
.chat-head-copy{min-width:0;}
.chat-head-title{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:3px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1.9px;
  text-transform:uppercase;
  color:var(--accent);
}
.chat-head-title::before{
  content:'';
  width:7px;
  height:7px;
  border-radius:50%;
  background:#25d366;
  box-shadow:0 0 10px #25d366;
  animation:pulse 1.8s ease-in-out infinite;
}
.chat-head-sub{
  font-size:12px;
  color:var(--muted);
  line-height:1.5;
}
.chat-head-close{
  flex-shrink:0;
  width:32px;
  height:32px;
  border-radius:10px;
  border:1px solid var(--border);
  color:var(--muted);
}
.chat-head-close:hover{
  color:var(--accent);
  border-color:var(--accent);
}
.chat-stream{
  flex:1;
  overflow:auto;
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;
}
.chat-msg{
  max-width:84%;
  padding:11px 14px;
  border-radius:16px;
  font-size:14px;
  line-height:1.7;
  word-break:break-word;
  unicode-bidi:plaintext;
}
.chat-msg.user{
  align-self:flex-end;
  background:linear-gradient(135deg,rgba(0,180,255,.18),rgba(124,58,237,.14));
  color:var(--white);
  border-bottom-right-radius:4px;
}
.chat-msg.bot{
  align-self:flex-start;
  background:rgba(255,255,255,.045);
  border:1px solid var(--border);
  color:var(--text);
  border-bottom-left-radius:4px;
}
.chat-msg.bot .typing{display:inline-block;min-width:20px;}
.chat-msg.bot .typing::after{content:'...';animation:dots 1.2s steps(4,end) infinite;}
@keyframes dots{0%{content:'';}25%{content:'.';}50%{content:'..';}75%{content:'...';}}
.chat-input-wrap{
  display:flex;
  align-items:flex-end;
  gap:10px;
  padding:12px;
  border-top:1px solid var(--border);
  background:rgba(4,7,13,.52);
}
.chat-foot{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:6px 8px;
  padding:9px 14px 11px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.8px;
  text-transform:uppercase;
  color:var(--muted);
  background:linear-gradient(180deg,rgba(4,7,13,.52),rgba(0,180,255,.06));
  border-top:1px solid var(--border);
}
.chat-foot-label{opacity:.75;}
.chat-foot-link{
  color:var(--accent);
  text-decoration:none;
  font-weight:600;
  transition:color .2s;
}
.chat-foot-link:hover{color:var(--accent2);text-shadow:0 0 8px rgba(0,180,255,.4);}
.chat-foot-dot{color:var(--border);}
.footer-developed{display:inline-flex;gap:5px;align-items:center;}
.footer-developed a{
  color:var(--accent);
  text-decoration:none;
  font-weight:600;
  transition:color .2s;
}
.footer-developed a:hover{color:var(--accent2);}
.chat-inp{
  flex:1;
  min-height:48px;
  max-height:132px;
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:16px;
  background:rgba(255,255,255,.05);
  color:var(--text);
  font-size:16px;
  line-height:1.5;
  resize:none;
  outline:none;
  -webkit-appearance:none;
}
.chat-inp:focus{
  border-color:var(--accent);
  background:rgba(255,255,255,.07);
  box-shadow:0 0 0 3px rgba(0,180,255,.08);
}
.chat-inp::placeholder{color:var(--muted);}
.chat-send{
  width:48px;
  height:48px;
  flex-shrink:0;
  border-radius:16px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:var(--white);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 12px 28px rgba(0,180,255,.26);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
}
.chat-send:hover{
  transform:scale(1.05);
  box-shadow:0 14px 34px rgba(0,180,255,.32);
}
.chat-send:disabled{opacity:.6;pointer-events:none;}
.chat-send svg{width:18px;height:18px;}
.cookie-strip{
  position:fixed;
  left:18px;
  right:18px;
  bottom:16px;
  z-index:510;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 18px;
  border:1px solid var(--border);
  border-radius:20px;
  background:rgba(10,15,26,.95);
  backdrop-filter:blur(14px);
  color:var(--muted);
  font-size:13px;
  box-shadow:0 18px 50px rgba(0,0,0,.28);
  transform:translateY(120%);
  opacity:0;
  pointer-events:none;
  transition:all .35s ease;
}
.cookie-strip.show{
  transform:translateY(0);
  opacity:1;
  pointer-events:auto;
}
.cookie-ok{
  min-height:40px;
  padding:0 16px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--accent),#7be2ff);
  color:var(--bg);
  font-family:var(--mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:1.5px;
  text-transform:uppercase;
  white-space:nowrap;
}
.cookie-ok:hover{background:linear-gradient(135deg,var(--gold),#ffe298);}
.cookie-x{
  width:34px;
  height:34px;
  flex-shrink:0;
  border:1px solid var(--border);
  border-radius:12px;
  color:var(--muted);
}
.cookie-x:hover{
  color:var(--accent);
  border-color:var(--accent);
}

.nav-links.mobile-open{
  position:fixed;
  top:72px;
  left:16px;
  right:16px;
  z-index:999;
  display:flex!important;
  flex-direction:column;
  gap:6px;
  padding:14px;
  border:1px solid var(--border);
  border-radius:20px;
  background:rgba(4,7,13,.97);
  backdrop-filter:blur(22px);
  box-shadow:0 20px 70px rgba(0,0,0,.34);
}
.nav-links.mobile-open .nav-link{
  padding:12px 14px;
  border-radius:14px;
  font-size:11px;
}

.footer{
  padding:54px 32px 30px;
  border-top:1px solid var(--border);
  background:rgba(10,15,26,.72);
}
.footer-inner{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:34px;
}
.footer-brand{
  margin-bottom:12px;
  font-family:var(--display);
  font-size:24px;
  letter-spacing:2px;
  color:var(--white);
}
.footer-brand span{color:var(--accent);}
.footer-desc{
  max-width:300px;
  color:var(--muted);
  font-size:13px;
  line-height:1.85;
}
.footer-col h4{
  margin-bottom:14px;
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:3px;
  text-transform:uppercase;
  color:var(--accent);
}
.footer-col a{
  display:block;
  padding:5px 0;
  color:var(--muted);
  font-size:13px;
}
.footer-col a:hover{color:var(--white);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:28px;
  padding-top:22px;
  border-top:1px solid var(--border);
  color:var(--muted);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:1px;
}

.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s ease,transform .7s ease;
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

html[dir="rtl"] body{direction:rtl;}
html[dir="rtl"] .nav-right,
html[dir="rtl"] .hero-actions,
html[dir="rtl"] .map-tags,
html[dir="rtl"] .chat-input-wrap,
html[dir="rtl"] .footer-bottom{flex-direction:row-reverse;}
html[dir="rtl"] .section-label,
html[dir="rtl"] .chat-head-title,
html[dir="rtl"] .hero-badge{flex-direction:row-reverse;}
html[dir="rtl"] .greeting-link .arrow{
  margin-left:0;
  margin-right:auto;
  transform:translateX(6px);
}
html[dir="rtl"] .greeting-link:hover .arrow{transform:translateX(0);}
html[dir="rtl"] .chat-panel{transform-origin:bottom left;right:auto;left:26px;}
html[dir="rtl"] .chat-msg.user{
  align-self:flex-start;
  border-bottom-right-radius:16px;
  border-bottom-left-radius:4px;
}
html[dir="rtl"] .chat-msg.bot{
  align-self:flex-end;
  border-bottom-left-radius:16px;
  border-bottom-right-radius:4px;
}
html[dir="rtl"] .chat-fab{right:auto;left:26px;}
html[dir="rtl"] .chat-fab-label{
  margin-right:0;
  margin-left:-10px;
  border-radius:12px 22px 22px 12px;
}

@media(max-width:1180px){
  .hero-inner{grid-template-columns:1fr;gap:46px;text-align:center;}
  .hero-copy{max-width:none;}
  .hero-desc{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;}
  .services-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .video-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .eco-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .map-inner{grid-template-columns:1fr;gap:30px;}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media(max-width:900px){
  .nav{padding:0 18px;gap:10px;}
  .nav-links{display:none;}
  .nav-phone{display:none;}
  .burger{display:flex;align-items:center;justify-content:center;}
  .hero{padding:118px 20px 72px;}
  .section,.video-section,.map-section,.footer{padding-left:20px;padding-right:20px;}
  .lang-switcher{gap:4px;padding:5px;}
  .lang-btn{min-width:34px;height:34px;padding:0 8px;}
  .nav-cta{padding:11px 16px;}
}

@media(max-width:768px){
  .hero-card-stack{max-width:420px;}
  .section,.video-section,.map-section{padding-top:74px;padding-bottom:74px;}
  .services-grid,
  .video-grid,
  .eco-grid,
  .m-row,
  .footer-inner{grid-template-columns:1fr;}
  .video-tabs{
    width:100%;
    overflow:auto;
    justify-content:flex-start;
    scrollbar-width:none;
  }
  .video-tabs::-webkit-scrollbar{display:none;}
  .modal-box{
    top:auto;
    bottom:0;
    left:0;
    width:100vw;
    max-height:94vh;
    transform:translateY(24px);
    border-radius:24px 24px 0 0;
  }
  .modal-box.open{transform:translateY(0);}
  .modal-header{padding:24px 20px 0;}
  .modal-body{padding:22px 20px 24px;}
  .chat-panel{
    right:18px;
    width:min(420px,calc(100vw - 20px));
  }
  html[dir="rtl"] .chat-panel{left:18px;}
}

@media(max-width:560px){
  html{scroll-padding-top:82px;}
  .nav{
    height:64px;
    padding:0 12px;
  }
  .nav-logo small{display:none;}
  .nav-logo-mark{font-size:20px;}
  .nav-right{gap:6px;}
  .nav-cta{padding:10px 12px;font-size:9px;letter-spacing:1.2px;}
  .lang-switcher{max-width:180px;overflow:auto;}
  .lang-switcher::-webkit-scrollbar{display:none;}
  .lang-btn{min-width:30px;height:30px;padding:0 7px;}
  .lang-glyph{font-size:9px;}
  .hero{padding:102px 16px 56px;}
  .hero-badge{padding:9px 14px;font-size:9px;letter-spacing:1.8px;}
  .hero-desc{font-size:14px;}
  .hero-visual{display:none;}
  .section,.video-section,.map-section,.footer{padding-left:16px;padding-right:16px;}
  .section-subtitle{font-size:14px;}
  .video-grid,.greetings-list{grid-template-columns:1fr;}
  .svc-card{min-height:auto;}
  .cookie-strip{
    left:12px;
    right:12px;
    bottom:12px;
    flex-wrap:wrap;
    gap:10px;
  }
  .cookie-ok{order:2;}
  .cookie-x{order:3;}
  .chat-fab{
    right:16px;
    bottom:calc(22px + var(--cookie-offset));
    transition:opacity .2s ease,transform .2s ease,bottom .25s ease;
  }
  html[dir="rtl"] .chat-fab{left:16px;}
  .chat-fab.open{
    right:14px;
    bottom:calc(var(--chat-mobile-height) + var(--keyboard-offset) - 58px);
    opacity:1;
    pointer-events:auto;
    transform:none;
    z-index:530;
  }
  html[dir="rtl"] .chat-fab.open{
    left:14px;
    right:auto;
  }
  .chat-fab-label{display:none;}
  .chat-fab-btn{width:68px;height:68px;border-radius:24px;}
  .chat-fab.open .chat-fab-btn{
    width:46px;
    height:46px;
    border-radius:14px;
    box-shadow:0 12px 28px rgba(0,0,0,.36);
    background:rgba(7,11,20,.92);
    border:1px solid rgba(255,255,255,.14);
  }
  .chat-fab.open .chat-fab-btn::before{
    display:none;
  }
  .chat-fab.open .chat-mascot{
    display:none;
  }
  .chat-fab.open .ic-close{
    opacity:1;
    transform:none;
  }
  .chat-panel{
    left:0;
    right:0;
    bottom:var(--keyboard-offset);
    width:100vw;
    height:var(--chat-mobile-height);
    border-radius:24px 24px 0 0;
    transform:translateY(100%);
    transform-origin:bottom center;
  }
  .chat-panel.open{transform:translateY(0);}
  html[dir="rtl"] .chat-panel{left:0;right:0;}
  .chat-head{
    padding:14px 14px 12px;
  }
  .chat-head-copy{
    padding-right:8px;
  }
  html[dir="rtl"] .chat-head-copy{
    padding-right:0;
    padding-left:8px;
  }
  .chat-stream{padding:14px;}
  .chat-input-wrap{
    padding:10px 10px calc(10px + env(safe-area-inset-bottom));
  }
  .chat-inp{
    min-height:46px;
    max-height:120px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
  html[dir="rtl"] .footer-bottom{align-items:flex-end;}
}

@media(prefers-reduced-motion:reduce){
  *{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.15s!important;
    scroll-behavior:auto!important;
  }
}