:root{
    --ink:#14275C;
    --royal:#1E3D8F;
    --royal-deep:#16306E;
    --royal-darkest:#0F2452;
    --teal:#21BEB3;
    --mint:#58DDCF;
    --bone:#F4F6FB;
    --bone-2:#EAEEF7;
    --haze:#5B6B8C;
    --line:#DCE3F1;
    --white:#FFFFFF;

    --display:"Bricolage Grotesque",sans-serif;
    --body:"Figtree",sans-serif;
    --mono:"Space Mono",monospace;

    --maxw:1180px;
    --r:18px;
  }

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--body);
    color:var(--ink);
    background:var(--bone);
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  ::selection{background:var(--teal);color:var(--royal-darkest)}

  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}

  .eyebrow{
    font-family:var(--mono);
    font-size:.72rem;
    letter-spacing:.22em;
    text-transform:uppercase;
    color:var(--teal);
    display:inline-flex;
    align-items:center;
    gap:10px;
  }
  .eyebrow::before{
    content:"";
    width:26px;height:1px;background:var(--teal);opacity:.6;
  }
  .eyebrow.on-dark{color:var(--mint)}
  .eyebrow.on-dark::before{background:var(--mint)}

  /* ---------- buttons ---------- */
  .btn{
    font-family:var(--body);
    font-weight:600;
    font-size:.95rem;
    padding:14px 24px;
    border-radius:999px;
    display:inline-flex;align-items:center;gap:9px;
    cursor:pointer;border:none;
    transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s,background .25s,color .25s;
    white-space:nowrap;
  }
  .btn svg{width:17px;height:17px}
  .btn-teal{background:var(--teal);color:var(--royal-darkest)}
  .btn-teal:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(33,190,179,.7)}
  .btn-navy{background:var(--royal);color:#fff}
  .btn-navy:hover{transform:translateY(-2px);box-shadow:0 14px 34px -12px rgba(30,61,143,.6)}
  .btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.28)}
  .btn-ghost:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}

  /* ---------- header ---------- */
  header{
    position:sticky;top:0;z-index:60;
    background:rgba(244,246,251,.82);
    backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;
    transition:border-color .3s,background .3s;
  }
  header.scrolled{border-color:var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:74px}
  .brand{display:flex;align-items:center;gap:13px}
  .brand .mark{width:42px;height:42px;flex:none}
  .brand .txt{line-height:1.05}
  .brand .name{font-family:var(--display);font-weight:700;font-size:1.06rem;color:var(--royal);letter-spacing:-.01em}
  .brand .role{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;color:var(--haze);text-transform:uppercase}
  .nav-links{display:flex;align-items:center;gap:32px}
  .nav-links a{font-size:.92rem;font-weight:500;color:var(--ink);position:relative;padding:4px 0}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--teal);transition:width .25s}
  .nav-links a:hover::after{width:100%}
  .nav-cta{display:flex;align-items:center;gap:16px}
  .menu-btn{display:none;background:none;border:none;cursor:pointer;color:var(--royal)}

  /* ---------- hero ---------- */
  .hero{
    position:relative;
    background:
      radial-gradient(900px 600px at 78% 18%, rgba(33,190,179,.16), transparent 60%),
      linear-gradient(160deg,var(--royal) 0%, var(--royal-deep) 52%, var(--royal-darkest) 100%);
    color:#fff;overflow:hidden;
  }
  .hero-bone{position:absolute;inset:0;z-index:0;opacity:.5;pointer-events:none}
  .hero-inner{
    position:relative;z-index:2;
    display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
    padding:88px 0 96px;
  }
  .hero h1{
    font-family:var(--display);font-weight:700;
    font-size:clamp(2.5rem,5.4vw,4rem);
    line-height:1.02;letter-spacing:-.025em;margin:22px 0 0;
  }
  .hero h1 .accent{color:var(--mint)}
  .hero .lead{
    font-size:1.13rem;color:#C7D2EC;max-width:30ch;margin-top:22px;
  }
  .hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
  .hero-creds{display:flex;gap:26px;margin-top:46px;flex-wrap:wrap}
  .cred{min-width:0}
  .cred .v{font-family:var(--display);font-weight:700;font-size:1.5rem;color:#fff;line-height:1}
  .cred .l{font-family:var(--mono);font-size:.64rem;letter-spacing:.13em;text-transform:uppercase;color:#8FA2CC;margin-top:7px}

  .hero-reveal{opacity:0;transform:translateY(20px);animation:rise .9s cubic-bezier(.2,.7,.3,1) forwards}
  .d1{animation-delay:.05s}.d2{animation-delay:.18s}.d3{animation-delay:.32s}.d4{animation-delay:.46s}.d5{animation-delay:.6s}
  @keyframes rise{to{opacity:1;transform:none}}

  /* goniometer */
  .gonio-stage{display:flex;align-items:center;justify-content:center}
  .gonio{width:100%;max-width:460px;height:auto;overflow:visible}
  .g-tick{stroke:rgba(255,255,255,.28);stroke-width:1.6}
  .g-tick-major{stroke:rgba(255,255,255,.55);stroke-width:2}
  .g-lbl{fill:#9DB0D8;font-family:var(--mono);font-size:13px}
  .g-arc{fill:none;stroke:var(--teal);stroke-width:5;stroke-linecap:round;
    stroke-dasharray:520;stroke-dashoffset:520;animation:draw 1.6s .5s cubic-bezier(.4,0,.2,1) forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  .g-needle{transform-origin:260px 300px;animation:sweep 1.7s .45s cubic-bezier(.34,1.2,.4,1) forwards}
  @keyframes sweep{from{transform:rotate(0deg)}to{transform:rotate(-128deg)}}
  .g-read{fill:var(--mint);font-family:var(--mono);font-weight:700;font-size:34px}
  .g-read-l{fill:#8FA2CC;font-family:var(--mono);font-size:11px;letter-spacing:.18em}

  /* ---------- credentials strip ---------- */
  .strip{background:var(--royal-darkest);color:#fff;border-top:1px solid rgba(255,255,255,.07)}
  .strip-row{display:flex;align-items:center;justify-content:center;gap:14px 38px;flex-wrap:wrap;padding:26px 0}
  .strip-item{font-family:var(--mono);font-size:.82rem;letter-spacing:.04em;color:#C7D2EC;display:flex;align-items:center;gap:14px}
  .strip-item .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}

  /* ---------- section base ---------- */
  section{position:relative}
  .pad{padding:100px 0}
  .sec-head{max-width:640px;margin-bottom:54px}
  .sec-head h2{
    font-family:var(--display);font-weight:700;
    font-size:clamp(2rem,3.6vw,2.85rem);
    line-height:1.06;letter-spacing:-.02em;margin-top:16px;color:var(--ink);
  }
  .sec-head p{margin-top:16px;color:var(--haze);font-size:1.08rem;max-width:54ch}

  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}

  /* ---------- procedures ---------- */
  .proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .proc{
    background:#fff;border:1px solid var(--line);border-radius:var(--r);
    padding:30px 28px 28px;position:relative;overflow:hidden;
    transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s;
  }
  .proc:hover{transform:translateY(-6px);box-shadow:0 28px 50px -28px rgba(20,39,92,.35);border-color:transparent}
  .proc-arc{position:absolute;top:-30px;right:-30px;width:120px;height:120px;opacity:.5;transition:opacity .3s,transform .3s}
  .proc:hover .proc-arc{opacity:1;transform:rotate(-12deg)}
  .proc h3{font-family:var(--display);font-weight:700;font-size:1.28rem;color:var(--royal);margin:18px 0 9px;letter-spacing:-.01em}
  .proc p{color:var(--haze);font-size:.96rem}
  .proc .ico{width:46px;height:46px;border-radius:13px;background:linear-gradient(150deg,var(--royal),var(--royal-deep));display:flex;align-items:center;justify-content:center}
  .proc .ico svg{width:24px;height:24px;stroke:var(--mint)}
  .proc .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.15em;text-transform:uppercase;color:var(--teal);position:absolute;top:30px;right:28px}

  /* ---------- approach (dark) ---------- */
  .approach{background:linear-gradient(165deg,var(--royal-deep),var(--royal-darkest));color:#fff;overflow:hidden;position:relative}
  .approach .hero-bone{opacity:.4}
  .approach-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}
  .approach h2{font-family:var(--display);font-weight:700;font-size:clamp(2rem,3.6vw,2.85rem);line-height:1.07;letter-spacing:-.02em;margin-top:16px}
  .approach .lead{color:#C7D2EC;margin-top:18px;font-size:1.08rem}
  .pts{margin-top:32px;display:flex;flex-direction:column;gap:2px}
  .pt{display:flex;gap:18px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12)}
  .pt:last-child{border-bottom:1px solid rgba(255,255,255,.12)}
  .pt .num{font-family:var(--mono);font-size:.8rem;color:var(--mint);padding-top:3px;min-width:42px}
  .pt h4{font-family:var(--display);font-weight:600;font-size:1.12rem;margin-bottom:5px}
  .pt p{color:#A9B8DC;font-size:.95rem}
  .robo-card{
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
    border-radius:24px;padding:38px;backdrop-filter:blur(4px);
  }
  .robo-card .rc-top{display:flex;align-items:center;gap:14px;margin-bottom:26px}
  .robo-card .rc-top .ring{width:54px;height:54px;border-radius:50%;border:2px solid var(--teal);display:flex;align-items:center;justify-content:center}
  .robo-card .rc-top .ring svg{width:26px;height:26px;stroke:var(--mint)}
  .robo-card .rc-top span{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mint)}
  .robo-card h3{font-family:var(--display);font-weight:700;font-size:1.5rem;margin-bottom:12px}
  .robo-card p{color:#B9C6E6;font-size:1rem}
  .robo-stats{display:flex;gap:30px;margin-top:28px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
  .robo-stats .v{font-family:var(--display);font-weight:700;font-size:1.9rem;color:#fff;line-height:1}
  .robo-stats .l{font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:#8FA2CC;margin-top:8px}

  /* ---------- conditions ---------- */
  .cond-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .cond-col h3{font-family:var(--display);font-weight:700;font-size:1.35rem;color:var(--royal);margin-bottom:18px;display:flex;align-items:center;gap:12px}
  .cond-col h3 .b{width:34px;height:34px;border-radius:10px;background:var(--bone-2);display:flex;align-items:center;justify-content:center}
  .cond-col h3 .b svg{width:19px;height:19px;stroke:var(--teal)}
  .cond-list{list-style:none;display:flex;flex-direction:column;gap:1px}
  .cond-list li{display:flex;align-items:center;gap:13px;padding:13px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:1rem}
  .cond-list li:first-child{border-top:1px solid var(--line)}
  .cond-list li svg{width:16px;height:16px;stroke:var(--teal);flex:none}

  /* ---------- contact / booking ---------- */
  .book{background:var(--bone-2)}
  .book-card{
    background:linear-gradient(160deg,var(--royal) 0%,var(--royal-deep) 55%,var(--royal-darkest) 100%);
    border-radius:30px;color:#fff;overflow:hidden;position:relative;
    display:grid;grid-template-columns:1.1fr .9fr;
  }
  .book-card .hero-bone{opacity:.45}
  .book-left{padding:60px 56px;position:relative;z-index:2}
  .book-left h2{font-family:var(--display);font-weight:700;font-size:clamp(1.9rem,3.4vw,2.7rem);line-height:1.07;letter-spacing:-.02em;margin-top:16px}
  .book-left p{color:#C7D2EC;margin-top:16px;font-size:1.06rem;max-width:34ch}
  .book-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
  .book-right{
    position:relative;z-index:2;padding:60px 50px;
    background:rgba(255,255,255,.04);border-left:1px solid rgba(255,255,255,.1);
    display:flex;flex-direction:column;gap:6px;justify-content:center;
  }
  .contact-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .contact-row:last-child{border-bottom:none}
  .contact-row .ci{width:44px;height:44px;border-radius:12px;background:rgba(33,190,179,.16);display:flex;align-items:center;justify-content:center;flex:none}
  .contact-row .ci svg{width:21px;height:21px;stroke:var(--mint)}
  .contact-row .cl{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:#8FA2CC}
  .contact-row .cv{font-size:1.02rem;color:#fff;font-weight:500;margin-top:2px;word-break:break-word}
  .contact-row a.cv:hover{color:var(--mint)}

  /* ---------- footer ---------- */
  footer{background:var(--royal-darkest);color:#fff;padding:54px 0 30px}
  .foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
  .foot-brand{display:flex;align-items:center;gap:14px}
  .foot-brand .mark{width:46px;height:46px}
  .foot-brand .name{font-family:var(--display);font-weight:700;font-size:1.15rem}
  .foot-brand .role{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:#8FA2CC;margin-top:3px}
  .foot-social{display:flex;gap:12px}
  .foot-social a{width:42px;height:42px;border-radius:11px;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;transition:.25s}
  .foot-social a:hover{background:var(--teal);border-color:var(--teal);transform:translateY(-3px)}
  .foot-social a svg{width:19px;height:19px;stroke:#fff}
  .foot-social a:hover svg{stroke:var(--royal-darkest)}
  .foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:24px;color:#8FA2CC;font-size:.84rem}
  .foot-bottom .disc{font-family:var(--mono);font-size:.72rem;max-width:52ch;line-height:1.6}

  /* ---------- responsive ---------- */
  @media(max-width:980px){
    .hero-inner{grid-template-columns:1fr;gap:30px;padding:64px 0 72px}
    .gonio-stage{order:-1;max-width:380px;margin:0 auto}
    .approach-grid{grid-template-columns:1fr;gap:40px}
    .book-card{grid-template-columns:1fr}
    .book-right{border-left:none;border-top:1px solid rgba(255,255,255,.1)}
  }
  @media(max-width:760px){
    .nav-links,.nav-cta .btn{display:none}
    .menu-btn{display:flex}
    .proc-grid{grid-template-columns:1fr}
    .cond-grid{grid-template-columns:1fr}
    .pad{padding:72px 0}
    .book-left,.book-right{padding:44px 30px}
    .mobile-nav.open{display:flex}
  }
  .mobile-nav{
    display:none;flex-direction:column;gap:4px;
    position:fixed;top:74px;left:0;right:0;z-index:55;
    background:var(--bone);border-bottom:1px solid var(--line);padding:14px 26px 22px;
  }
  .mobile-nav a{padding:12px 0;font-weight:600;border-bottom:1px solid var(--line)}
  .mobile-nav .btn{margin-top:12px;justify-content:center}

  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important}
    .hero-reveal,.reveal{opacity:1!important;transform:none!important}
    .g-arc{stroke-dashoffset:0}
    .g-needle{transform:rotate(-128deg)}
  }