:root{
    --bg-dark:#060D18;
    --bg-dark-2:#0B1730;
    --bg-dark-3:#101E3D;
    --navy:#0F2A52;
    --navy-2:#153868;
    --ring-silver:#C9D3DE;
    --ring-silver-dim:#8FA0B8;
    --electron:#4A8FE7;
    --electron-2:#7FB4FF;
    --text-dark-mode:#EAF0FA;
    --muted-dark-mode:#8CA0BE;
    --bg-light:#F3F6FB;
    --bg-light-2:#FFFFFF;
    --text-light-mode:#0A1628;
    --muted-light-mode:#5A6B85;
    --border-dark:rgba(201,211,222,0.14);
    --border-light:rgba(15,42,82,0.12);
    --glass-dark:rgba(16,30,61,0.55);
    --glass-light:rgba(255,255,255,0.6);

    --bg:var(--bg-dark);
    --bg2:var(--bg-dark-2);
    --bg3:var(--bg-dark-3);
    --text:var(--text-dark-mode);
    --muted:var(--muted-dark-mode);
    --border:var(--border-dark);
    --glass:var(--glass-dark);
  }
  html.light{
    --bg:var(--bg-light);
    --bg2:var(--bg-light-2);
    --bg3:#E7EDF6;
    --text:var(--text-light-mode);
    --muted:var(--muted-light-mode);
    --border:var(--border-light);
    --glass:var(--glass-light);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',sans-serif;
    overflow-x:hidden;
    transition:background .5s ease,color .5s ease;
  }
  ::selection{background:var(--electron);color:#fff;}
  h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;}
  .mono{font-family:'JetBrains Mono',monospace;}
  a{text-decoration:none;color:inherit;}
  ul{list-style:none;}
  img{display:block;max-width:100%;}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
  input{font-family:inherit;}

  .container{max-width:1240px;margin:0 auto;padding:0 28px;}

  /* ---------- background layers ---------- */
  #network-canvas{
    position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.55;
    transition:opacity .5s ease;
  }
  html.light #network-canvas{opacity:.28;}
  .grain{
    position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  /* ---------- nav ---------- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:50;
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    background:var(--glass);
    border-bottom:1px solid var(--border);
    transition:background .5s ease,border-color .5s ease;
  }
  nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 28px;max-width:1240px;margin:0 auto;
  }
  .brand{display:flex;align-items:center;gap:12px;}
  .brand-atom{flex-shrink:0;}
  .brand-name{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:17px;letter-spacing:.5px;line-height:1.1;}
  .brand-name span{display:block;font-family:'JetBrains Mono',monospace;font-weight:500;font-size:9.5px;letter-spacing:2.5px;color:var(--electron-2);margin-top:2px;}

  .nav-links{display:flex;align-items:center;gap:28px;}
  .nav-links a{
    font-size:13.5px;font-weight:500;color:var(--muted);
    position:relative;padding:4px 0;transition:color .25s ease;
    white-space:nowrap;
  }
  .nav-links a:hover{color:var(--text);}
  .nav-links a::after{
    content:'';position:absolute;left:0;bottom:-2px;height:1.5px;width:0;
    background:linear-gradient(90deg,var(--electron),var(--electron-2));
    transition:width .25s ease;
  }
  .nav-links a:hover::after{width:100%;}

  .nav-actions{display:flex;align-items:center;gap:10px;}
  .icon-btn{
    width:38px;height:38px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    border:1px solid var(--border);color:var(--text);
    transition:border-color .25s ease,transform .25s ease,background .25s ease;
    background:transparent;
  }
  .icon-btn:hover{border-color:var(--electron);transform:translateY(-1px);background:rgba(74,143,231,.08);}
  .icon-btn svg{width:17px;height:17px;}

  .search-wrap{position:relative;display:flex;align-items:center;}
  .search-wrap input{
    width:0;opacity:0;padding:0;border:none;background:var(--bg2);color:var(--text);
    border-radius:999px;font-size:13px;transition:width .3s ease,opacity .3s ease,padding .3s ease;
    height:38px;
  }
  .search-wrap.open input{width:190px;opacity:1;padding:0 16px;border:1px solid var(--border);}

  .hamburger{display:none;}

  /* ---------- hero ---------- */
  .hero{
    position:relative;min-height:100vh;display:flex;align-items:center;
    padding:150px 28px 90px;overflow:hidden;
  }
  .hero-inner{
    max-width:1240px;margin:0 auto;width:100%;
    display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  }

  .orbit-stage{
    position:relative;width:100%;aspect-ratio:1/1;max-width:580px;margin:0 auto;
    display:flex;align-items:center;justify-content:center;
    perspective:1000px;
  }
  .orbit-glow{
    position:absolute;width:60%;height:60%;border-radius:50%;
    background:radial-gradient(circle,rgba(74,143,231,.35),transparent 70%);
    filter:blur(30px);animation:pulse 5s ease-in-out infinite;
  }
  @keyframes pulse{0%,100%{opacity:.55;transform:scale(1);}50%{opacity:.9;transform:scale(1.12);}}

  .orbit-ring{
    position:absolute;border:1px solid rgba(201,211,222,.35);border-radius:50%;
    transform-style:preserve-3d;
  }
  .ring-a{width:78%;height:78%;transform:rotateX(72deg) rotateZ(8deg);animation:spin 14s linear infinite;}
  .ring-b{width:78%;height:78%;transform:rotateX(72deg) rotateZ(68deg);animation:spin 10s linear infinite reverse;}
  .ring-c{width:78%;height:78%;transform:rotateX(72deg) rotateZ(128deg);animation:spin 18s linear infinite;}
  @keyframes spin{from{transform:rotateX(72deg) rotateZ(var(--z,0deg)) rotate(0deg);}to{transform:rotateX(72deg) rotateZ(var(--z,0deg)) rotate(360deg);}}
  .ring-a{--z:8deg;} .ring-b{--z:68deg;} .ring-c{--z:128deg;}

  .ring-d{width:78%;height:78%;--z:38deg;animation:spinNeg 12s linear infinite;}
  .ring-e{width:78%;height:78%;--z:98deg;animation:spinNeg 16s linear infinite reverse;}
  @keyframes spinNeg{from{transform:rotateX(-72deg) rotateZ(var(--z,0deg)) rotate(0deg);}to{transform:rotateX(-72deg) rotateZ(var(--z,0deg)) rotate(360deg);}}

  .electron{
    position:absolute;top:-4.5px;left:50%;width:9px;height:9px;margin-left:-4.5px;
    border-radius:50%;background:radial-gradient(circle at 35% 30%,#EAF4FF,var(--electron) 60%,#1c4d8a 100%);
    box-shadow:0 0 12px 3px rgba(74,143,231,.85);
  }

  .orbit-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:2;}

  .orbit-logo{
    position:relative;z-index:3;width:44%;border-radius:50%;
    filter:drop-shadow(0 0 30px rgba(74,143,231,.5));
    animation:float 6s ease-in-out infinite;
  }
  @keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

  .hero-text .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:2px;
    color:var(--electron-2);border:1px solid var(--border);
    padding:6px 14px;border-radius:999px;margin-bottom:22px;
    background:var(--glass);
  }
  .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--electron-2);box-shadow:0 0 8px var(--electron-2);}

  .name-anim{font-size:clamp(38px,5.2vw,64px);font-weight:700;line-height:1.05;letter-spacing:-1px;margin-bottom:20px;}
  .name-anim .word{display:inline-block;overflow:hidden;vertical-align:top;}
  .name-anim .word span{
    display:inline-block;opacity:0;transform:translateY(110%);
    animation:riseIn .8s cubic-bezier(.22,1,.36,1) forwards;
  }
  .name-anim .line2{
    background:linear-gradient(90deg,var(--electron-2),#B9D4FF 45%,var(--electron-2));
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  @keyframes riseIn{to{opacity:1;transform:translateY(0);}}

  .hero-desc{font-size:16.5px;line-height:1.75;color:var(--muted);max-width:520px;margin-bottom:32px;
    opacity:0;animation:fadeUp .9s ease forwards;animation-delay:1.1s;}
  @keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}

  .hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;
    opacity:0;animation:fadeUp .9s ease forwards;animation-delay:1.25s;}
  .btn{
    padding:13px 26px;border-radius:10px;font-size:14px;font-weight:600;
    display:inline-flex;align-items:center;gap:8px;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .btn-primary{background:linear-gradient(135deg,var(--electron),#2E6BC7);color:#fff;box-shadow:0 8px 24px -8px rgba(74,143,231,.7);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(74,143,231,.85);}
  .btn-ghost{border:1px solid var(--border);color:var(--text);}
  .btn-ghost:hover{border-color:var(--electron);background:rgba(74,143,231,.08);transform:translateY(-2px);}

  .hero-meta{display:flex;gap:28px;flex-wrap:wrap;
    opacity:0;animation:fadeUp .9s ease forwards;animation-delay:1.4s;}
  .hero-meta div{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
  .hero-meta svg{width:16px;height:16px;color:var(--electron-2);flex-shrink:0;}

  .scroll-cue{
    position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
    display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);
    font-size:10px;letter-spacing:2px;font-family:'JetBrains Mono',monospace;
    opacity:.7;
  }
  .scroll-cue .line{width:1px;height:26px;background:linear-gradient(var(--electron-2),transparent);animation:scrollLine 1.8s ease-in-out infinite;}
  @keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top;}50%{transform:scaleY(1);transform-origin:top;}51%{transform-origin:bottom;}100%{transform:scaleY(0);transform-origin:bottom;}}

  /* ---------- section shared ---------- */
  section{position:relative;z-index:2;padding:100px 0;}
  .section-head{max-width:640px;margin-bottom:56px;}
  .section-head .eyebrow{
    font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:2px;color:var(--electron-2);
    display:block;margin-bottom:14px;
  }
  .section-head h2{font-size:clamp(28px,3.4vw,40px);font-weight:600;letter-spacing:-.5px;line-height:1.2;}
  .section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.7;}

  /* about */
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
  .about-copy p{color:var(--muted);font-size:15.5px;line-height:1.85;margin-bottom:16px;}
  .about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px;}
  .stat{border:1px solid var(--border);border-radius:14px;padding:18px;background:var(--glass);}
  .stat .num{font-family:'Space Grotesk',sans-serif;font-size:26px;font-weight:700;color:var(--text);}
  .stat .lbl{font-size:11.5px;color:var(--muted);margin-top:4px;letter-spacing:.3px;}

  .about-visual{position:relative;padding:50px;display:flex;align-items:center;justify-content:center;}
  .about-visual img{width:65%;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35));}

  .neutron{
    position:relative;width:min(46%,190px);aspect-ratio:1/1;border-radius:50%;
    background:radial-gradient(circle at 38% 32%,#EAF4FF 0%,var(--electron-2) 28%,var(--electron) 55%,#163258 100%);
    box-shadow:0 25px 55px -10px rgba(0,0,0,.45), inset -14px -14px 34px rgba(0,0,0,.4);
    overflow:hidden;z-index:2;
    animation:neutronFloat 6s ease-in-out infinite;
  }
  .neutron::before{
    content:'';position:absolute;inset:0;border-radius:50%;
    background:
      radial-gradient(circle at 50% 50%, transparent 40%, rgba(255,255,255,.08) 41%, transparent 42%),
      radial-gradient(circle at 50% 50%, transparent 55%, rgba(255,255,255,.06) 56%, transparent 57%),
      radial-gradient(circle at 50% 50%, transparent 70%, rgba(255,255,255,.05) 71%, transparent 72%);
    animation:neutronSpin 5s linear infinite;
  }
  .neutron::after{
    content:'';position:absolute;top:-15%;left:-15%;width:55%;height:55%;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.75),transparent 70%);
  }
  @keyframes neutronSpin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
  @keyframes neutronFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

  .about-orbit-stage{
    position:relative;width:min(90%,420px);aspect-ratio:1/1;margin:0 auto;
    display:flex;align-items:center;justify-content:center;perspective:1000px;
  }

  /* vision & mission */
  .vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
  .vm-card{
    border:1px solid var(--border);border-radius:20px;padding:38px;
    background:var(--glass);backdrop-filter:blur(10px);
    transition:transform .3s ease,border-color .3s ease;position:relative;overflow:hidden;
  }
  .vm-card:hover{transform:translateY(-6px);border-color:rgba(74,143,231,.5);}
  .vm-card::before{
    content:'';position:absolute;top:-40%;right:-30%;width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle,rgba(74,143,231,.18),transparent 70%);
  }
  .vm-icon{
    width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,rgba(74,143,231,.25),rgba(74,143,231,.05));border:1px solid var(--border);
    margin-bottom:22px;
  }
  .vm-icon svg{width:22px;height:22px;color:var(--electron-2);}
  .vm-card h3{font-size:21px;font-weight:600;margin-bottom:14px;}
  .vm-card p{color:var(--muted);font-size:14.5px;line-height:1.75;}
  .vm-card ul{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
  .vm-card ul li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.6;}
  .vm-card ul li::before{content:'';flex-shrink:0;width:6px;height:6px;border-radius:50%;background:var(--electron-2);margin-top:7px;box-shadow:0 0 6px var(--electron-2);}

  /* therapies */
  .therapy-strip{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
  .therapy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .therapy-card{
    border:1px solid var(--border);border-radius:16px;padding:22px;background:var(--glass);
    display:flex;align-items:center;gap:14px;transition:transform .25s ease,border-color .25s ease,background .25s ease;
  }
  .therapy-card:hover{transform:translateY(-4px);border-color:var(--electron);background:rgba(74,143,231,.08);}
  .code-badge{
    width:44px;height:44px;border-radius:50%;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    font-family:'JetBrains Mono',monospace;font-weight:600;font-size:12.5px;letter-spacing:.5px;
    background:linear-gradient(135deg,var(--navy-2),var(--navy));color:var(--electron-2);
    border:1px solid rgba(127,180,255,.3);
  }
  .therapy-card .t-name{font-size:14.5px;font-weight:600;}
  .therapy-card .t-sub{font-size:11.5px;color:var(--muted);margin-top:2px;}
  .therapy-more{text-align:center;margin-top:36px;}

  /* why / features */
  .feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .feat-card{border:1px solid var(--border);border-radius:18px;padding:30px;background:var(--glass);}
  .feat-card .n{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--electron-2);letter-spacing:2px;margin-bottom:16px;display:block;}
  .feat-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
  .feat-card p{font-size:14px;color:var(--muted);line-height:1.7;}

  /* contact */
  .contact-wrap{
    border-radius:24px;border:1px solid var(--border);background:var(--glass);
    padding:56px;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;overflow:hidden;position:relative;
  }
  .contact-wrap::before{
    content:'';position:absolute;bottom:-40%;left:-10%;width:300px;height:300px;border-radius:50%;
    background:radial-gradient(circle,rgba(74,143,231,.15),transparent 70%);
  }
  .contact-info h2{font-size:clamp(26px,3vw,34px);margin-bottom:16px;font-weight:600;}
  .contact-info p{color:var(--muted);font-size:15px;line-height:1.75;margin-bottom:28px;max-width:440px;}
  .contact-rows{display:flex;flex-direction:column;gap:18px;}
  .contact-row{display:flex;align-items:flex-start;gap:14px;}
  .contact-row .ic{
    width:40px;height:40px;border-radius:11px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
    background:rgba(74,143,231,.12);border:1px solid var(--border);
  }
  .contact-row .ic svg{width:18px;height:18px;color:var(--electron-2);}
  .contact-row .lbl{font-size:11px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;font-family:'JetBrains Mono',monospace;}
  .contact-row .val{font-size:15px;font-weight:500;margin-top:2px;}

  .contact-form{display:flex;flex-direction:column;gap:14px;}
  .contact-form input,.contact-form textarea{
    background:var(--bg2);border:1px solid var(--border);border-radius:10px;padding:13px 16px;
    color:var(--text);font-size:14px;width:100%;resize:none;transition:border-color .25s ease;
  }
  .contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--electron);}
  .contact-form label{font-size:11.5px;color:var(--muted);letter-spacing:.5px;margin-bottom:-6px;}

  /* footer */
  footer{border-top:1px solid var(--border);padding:40px 0;}
  .footer-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
  .footer-brand svg{flex-shrink:0;}
  .footer-links{display:flex;gap:22px;flex-wrap:wrap;align-items:center;}
  .footer-links a{font-size:12.5px;color:var(--muted);}
  .footer-links a:hover{color:var(--electron-2);}

  /* footer admin lock */
  .footer-lock-btn{
    width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--border);color:var(--muted);position:relative;flex-shrink:0;
    -webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;touch-action:manipulation;
    transition:color .25s ease,border-color .25s ease;
  }
  .footer-lock-btn svg:not(.lock-progress){width:15px;height:15px;pointer-events:none;}
  .footer-lock-btn:hover{color:var(--electron-2);border-color:var(--electron);}
  .footer-lock-btn .lock-progress{
    position:absolute;inset:-3px;width:42px;height:42px;border-radius:50%;pointer-events:none;
  }
  .footer-lock-btn .lock-progress circle{
    fill:none;stroke:var(--electron-2);stroke-width:2;
    stroke-dasharray:113;stroke-dashoffset:113;transform:rotate(-90deg);transform-origin:50% 50%;
  }
  .footer-lock-btn.holding .lock-progress circle{
    transition:stroke-dashoffset 5s linear;stroke-dashoffset:0;
  }
  .footer-lock-btn.holding{color:var(--electron-2);border-color:var(--electron);}

  /* login page */
  .login-page{
    min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;position:relative;z-index:2;
  }
  .login-card{
    width:100%;max-width:380px;background:var(--glass);border:1px solid var(--border);border-radius:18px;
    padding:32px;box-shadow:0 30px 70px -14px rgba(0,0,0,.55);backdrop-filter:blur(10px);
  }
  .login-head{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
  .login-icon{
    width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,rgba(74,143,231,.25),rgba(74,143,231,.05));border:1px solid var(--border);
  }
  .login-icon svg{width:19px;height:19px;color:var(--electron-2);}
  .login-head h3{font-size:17px;font-weight:600;}
  .login-head p{font-size:12px;color:var(--muted);margin-top:2px;}
  .login-back{margin-left:auto;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);}
  .login-back:hover{color:var(--text);background:rgba(74,143,231,.08);}
  .login-back svg{width:16px;height:16px;}
  .login-form{display:flex;flex-direction:column;gap:14px;}
  .login-form label{font-size:11.5px;color:var(--muted);letter-spacing:.5px;}
  .login-form input{
    background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:12px 14px;
    color:var(--text);font-size:14px;width:100%;transition:border-color .25s ease;
  }
  .login-form input:focus{outline:none;border-color:var(--electron);}
  .login-form .btn{justify-content:center;margin-top:6px;}
  .login-form-note{font-size:11.5px;color:var(--muted);margin-top:16px;text-align:center;}
  .login-error{
    background:rgba(220,60,60,.12);border:1px solid rgba(220,60,60,.35);color:#ff9b9b;
    font-size:12.5px;padding:10px 12px;border-radius:9px;margin-bottom:16px;
  }

  /* floating buttons */
  .float-stack{position:fixed;right:24px;bottom:24px;z-index:60;display:flex;flex-direction:column;gap:14px;align-items:flex-end;}
  .fab{
    width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    box-shadow:0 10px 26px -6px rgba(0,0,0,.4);transition:transform .25s ease;position:relative;
  }
  .fab:hover{transform:scale(1.08);}
  .fab-ai{background:linear-gradient(135deg,var(--electron),#2E6BC7);color:#fff;}
  .fab-ai svg{width:24px;height:24px;}
  .fab-wa{background:#25D366;color:#fff;}
  .fab-wa svg{width:26px;height:26px;}
  .fab-ping{position:absolute;inset:0;border-radius:50%;border:2px solid var(--electron-2);animation:ping 2.2s ease-out infinite;}
  @keyframes ping{0%{transform:scale(1);opacity:.8;}100%{transform:scale(1.6);opacity:0;}}

  /* chat panel */
  .chat-panel{
    position:fixed;right:24px;bottom:96px;width:340px;max-width:calc(100vw - 48px);
    background:var(--bg2);border:1px solid var(--border);border-radius:18px;
    box-shadow:0 24px 60px -12px rgba(0,0,0,.5);z-index:61;
    display:flex;flex-direction:column;overflow:hidden;
    opacity:0;visibility:hidden;transform:translateY(16px) scale(.97);
    transition:all .3s cubic-bezier(.22,1,.36,1);
  }
  .chat-panel.open{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
  .chat-head{padding:16px 18px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border);
    background:linear-gradient(135deg,var(--navy),var(--navy-2));}
  .chat-head .dot2{width:8px;height:8px;border-radius:50%;background:#3ADB76;box-shadow:0 0 8px #3ADB76;}
  .chat-head .ttl{font-size:13.5px;font-weight:600;color:#fff;}
  .chat-head .sub{font-size:11px;color:rgba(255,255,255,.65);}
  .chat-head button{margin-left:auto;color:#fff;opacity:.7;}
  .chat-body{padding:18px;font-size:13.5px;color:var(--muted);line-height:1.7;min-height:120px;}
  .chat-body .bubble{background:var(--bg3);border-radius:12px;padding:12px 14px;margin-bottom:10px;color:var(--text);}
  .chat-foot{padding:12px 14px;border-top:1px solid var(--border);display:flex;gap:8px;}
  .chat-foot input{flex:1;background:var(--bg3);border:1px solid var(--border);border-radius:9px;padding:10px 12px;color:var(--text);font-size:13px;}
  .chat-foot button{background:var(--electron);color:#fff;border-radius:9px;padding:0 14px;font-size:12.5px;font-weight:600;}

  /* mobile menu */
  .mobile-menu{
    position:fixed;top:70px;left:0;right:0;bottom:0;z-index:49;
    background:var(--bg);backdrop-filter:blur(20px);
    padding:30px 28px;display:flex;flex-direction:column;gap:6px;
    transform:translateX(100%);transition:transform .35s ease;
  }
  .mobile-menu.open{transform:translateX(0);}
  .mobile-menu a{padding:16px 4px;font-size:17px;font-weight:500;border-bottom:1px solid var(--border);}

  /* floating atom logo animations */
  .nav-e1,.nav-e2,.nav-e3{transform-origin:20px 20px;}
  .nav-e1{animation:spinPt 3s linear infinite;}
  .nav-e2{animation:spinPt 3s linear infinite reverse;}
  .nav-e3{animation:spinPt 4s linear infinite;}
  @keyframes spinPt{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
  .footer-atom .f-e1{transform-origin:20px 20px;animation:spinPt 3.5s linear infinite;}
  .footer-atom .f-e2{transform-origin:20px 20px;animation:spinPt 3.5s linear infinite reverse;}
  .footer-atom .f-e3{transform-origin:20px 20px;animation:spinPt 4.5s linear infinite;}

  @media(max-width:980px){
    .hero-inner{grid-template-columns:1fr;text-align:center;}
    .hero-text .hero-desc{margin-left:auto;margin-right:auto;}
    .hero-cta,.hero-meta{justify-content:center;}
    .orbit-stage{max-width:340px;order:-1;}
    .about-grid{grid-template-columns:1fr;}
    .vm-grid{grid-template-columns:1fr;}
    .therapy-grid{grid-template-columns:repeat(2,1fr);}
    .feat-grid{grid-template-columns:1fr;}
    .contact-wrap{grid-template-columns:1fr;padding:32px;}
    .nav-links{display:none;}
    .hamburger{display:flex;}
  }
  @media(max-width:560px){
    .therapy-grid{grid-template-columns:1fr;}
    .about-stats{grid-template-columns:1fr 1fr;}
    nav{padding:12px 18px;}
  }

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  }
/* ---------- orbit block: neutron + controls side by side (add to style.css) ---------- */
.orbit-block{
  display:flex;align-items:center;gap:18px;width:100%;
}
.orbit-block .orbit-stage,
.orbit-block .about-orbit-stage{
  flex:1;min-width:0;
}

.orbit-panel{
  width:150px;flex-shrink:0;
  background:var(--glass);border:1px solid var(--border);border-radius:14px;
  padding:14px;backdrop-filter:blur(16px);
  display:flex;flex-direction:column;gap:10px;
  font-family:'JetBrains Mono',monospace;
  box-shadow:0 20px 40px -14px rgba(0,0,0,.4);
}
.orbit-panel-head{
  font-size:9.5px;letter-spacing:1.5px;color:var(--electron-2);
  padding-bottom:8px;border-bottom:1px solid var(--border);
}
.orbit-ctrl-field label{
  display:flex;justify-content:space-between;font-size:10.5px;color:var(--muted);margin-bottom:4px;
}
.orbit-ctrl-val{color:var(--text);}
.orbit-panel input[type="range"]{
  width:100%;accent-color:var(--electron);cursor:pointer;height:14px;
}
.orbit-ctrl-swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;}
.orbit-swatch{
  height:22px;border-radius:6px;border:1.5px solid var(--border);cursor:pointer;transition:transform .15s ease,border-color .15s ease;
}
.orbit-swatch:hover{transform:scale(1.06);}
.orbit-swatch.active{border-color:var(--electron-2);box-shadow:0 0 8px rgba(74,143,231,.5);}
.orbit-ctrl-row{display:flex;gap:8px;}
.orbit-ctrl-mini{
  flex:1;font-size:9.5px;letter-spacing:.5px;color:var(--muted);
  border:1px solid var(--border);border-radius:7px;padding:6px 4px;text-align:center;
  transition:border-color .2s ease,color .2s ease;
}
.orbit-ctrl-mini:hover{border-color:var(--electron);color:var(--text);}

.about-orbit-block .orbit-panel{width:138px;}

/* ---------- tablet / mobile stacking (<=980px) ---------- */
@media(max-width:980px){
  .orbit-block{order:-1;flex-direction:column;max-width:340px;margin:0 auto;}
  .orbit-block .orbit-stage{max-width:340px;width:100%;}
  .orbit-panel{width:100%;max-width:280px;}
}

/* ---------- mobile-only: hero opens full-viewport on neutron+controls,
   rest of the page (hero text + all sections after) reveals on scroll ---------- */
@media(max-width:560px){
  .hero{padding-top:96px;min-height:100vh;}
  .hero-inner{display:flex;flex-direction:column;}
  .hero .orbit-block{
    order:-1;
    min-height:calc(100vh - 96px);
    display:flex;flex-direction:column;justify-content:center;
  }
  .hero-text{order:1;padding-top:26px;}
}