/* ============================================================
   Robonetics Pty Ltd — Site Styles
   ------------------------------------------------------------
   Contents:
   1. Design tokens (colours, type scale)   :root
   2. Base & typography
   3. Navigation (logo lockup, links, CTA)
   4. Hero (photo panel + gradient overlay)
   5. Sections: intro, capabilities, how-we-work,
      industries, contact
   6. Footer
   7. Responsive breakpoints (1100px nav, 960px, 640px)
   ============================================================ */

:root{
    --ink:#1A1A1A;
    --body:#4A4A4A;
    --muted:#767676;
    --line:#E4E4E4;
    --bg-soft:#F5F5F5;
    --accent:#F26522;
    --accent-dark:#D14E0F;
    --white:#FFFFFF;
    /* type scale */
    --fs-xs:13px;      /* badges, fine print */
    --fs-sm:15px;      /* captions, secondary */
    --fs-base:16px;    /* body */
    --fs-lead:18px;    /* leads, hero paragraph */
    --fs-h3:18px;      /* card & list headings */
    --fs-h2:clamp(28px,3vw,40px);
    --fs-h1:clamp(36px,4.5vw,56px);
    --lh-tight:1.15;
    --lh-body:1.65;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  html,body{overflow-x:hidden}
  body{font-family:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg-soft);line-height:var(--lh-body);font-size:var(--fs-base)}
  a{text-decoration:none;color:inherit}
  h1,h2,h3{font-weight:700;line-height:var(--lh-tight);letter-spacing:-.02em}
  section{padding:96px 0}
  .container{max-width:1240px;margin:0 auto;padding:0 32px}
  .section-title{font-size:var(--fs-h2);margin-bottom:16px}
  .section-lead{color:var(--body);font-size:var(--fs-lead);line-height:1.6;max-width:680px;margin-bottom:56px}
  .link-arrow{color:var(--accent);font-weight:600;font-size:var(--fs-sm);display:inline-flex;align-items:center;gap:6px}
  .link-arrow:hover{text-decoration:underline}
  .link-arrow::after{content:"→";transition:transform .2s}
  .link-arrow:hover::after{transform:translateX(4px)}

  /* NAV */
  nav{position:sticky;top:0;z-index:100;background:#fff;border-top:6px solid #0B0D0F;border-bottom:1px solid var(--line)}
  .nav-inner{width:100%;padding:0 40px;display:flex;align-items:center;justify-content:space-between;height:84px}
  .nav-logo{display:flex;align-items:baseline;gap:4px;font-size:30px}
  .logo-flag{height:.73em;width:auto}
  .logo-word{font-weight:800;font-size:1em;letter-spacing:-.02em;color:var(--ink);line-height:1;white-space:nowrap}
  
  .nav-links{display:flex;gap:clamp(24px,3.4vw,60px);font-size:18px;font-weight:600;align-items:center}
  .nav-links a{color:var(--ink);position:relative;padding:6px 0;line-height:1;white-space:nowrap}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:-3px;height:3px;width:0;background:var(--accent);transition:width .2s}
  .nav-links a:hover::after{width:100%}
  .nav-cta{background:#111;color:#fff;padding:12px 24px;font-weight:600;font-size:var(--fs-sm);transition:background .2s;white-space:nowrap}
  .nav-cta:hover{background:var(--accent)}
  .hamburger{display:none;background:none;border:none;cursor:pointer;font-size:26px;color:var(--ink)}

  /* HERO — image-led, light, editorial */
  .hero{position:relative;aspect-ratio:2.14/1;min-height:540px;max-height:820px;display:flex;align-items:center;background:#15120F;padding:0;border-bottom:8px solid var(--accent)}
  .hero-bg{position:absolute;inset:0;overflow:hidden}
  .hero-bg svg{position:absolute;inset:0;width:100%;height:100%}
  .hero-photo{position:absolute;top:0;right:0;height:100%;width:46%;object-fit:cover;object-position:center 32%}
  .hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,#15120F 0%,#15120F 40%,rgba(21,18,15,.75) 56%,rgba(21,18,15,0) 72%)}
  .hero-content{position:relative;z-index:2;width:100%;padding:40px}
  .hero-eyebrow{color:var(--accent);font-size:var(--fs-xs);letter-spacing:3.5px;font-weight:700;text-transform:uppercase;margin-bottom:20px}
  .hero-content h1{color:#fff;font-size:clamp(40px,5.8vw,80px);max-width:760px;margin-bottom:24px;line-height:1.08}
  .hero-content p{color:#C6CDD4;font-size:var(--fs-lead);line-height:1.6;max-width:560px;margin-bottom:38px}
  .btn-hero{display:inline-block;background:var(--accent);color:#14181D;font-weight:700;font-size:var(--fs-base);padding:16px 32px;transition:background .2s,transform .15s}
  .btn-hero:hover{background:#FF7A38;transform:translateY(-2px)}
  .btn{padding:14px 30px;font-weight:600;font-size:var(--fs-base);display:inline-block;transition:background .2s,color .2s,border-color .2s}
  .btn-solid{background:var(--accent);color:#fff}
  .btn-solid:hover{background:var(--accent-dark)}
  .btn-outline{border:1.5px solid var(--ink);color:var(--ink)}
  .btn-outline:hover{background:var(--ink);color:#fff}

  /* INTRO STATEMENT */
  .intro{border-bottom:1px solid var(--line)}
  .intro{background:#fff}
  .intro .intro-label{color:var(--accent);font-size:var(--fs-xs);letter-spacing:3.5px;font-weight:700;text-transform:uppercase;margin-bottom:24px}
  .intro-body{border-left:4px solid var(--accent);padding-left:28px;max-width:880px}
  .intro-body p{font-size:var(--fs-lead);line-height:1.65;color:var(--ink);margin-bottom:18px}
  .intro-body p:last-child{margin-bottom:0}
  .intro p strong{color:var(--accent)}

  /* SERVICES — ABB-style image cards */
  .services{background:var(--bg-soft)}
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
  .card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:box-shadow .25s}
  .card:hover{box-shadow:0 10px 32px rgba(0,0,0,.10)}
  .card-media{height:240px;background:#E9EDF1;overflow:hidden;position:relative;border-bottom:8px solid var(--accent)}
  .card-media svg{width:100%;height:100%;display:block}
  .card-body{padding:32px 30px 36px;display:flex;flex-direction:column;flex:1}
  .card h3{font-size:var(--fs-h3);margin-bottom:10px;text-align:center}
  .card p{color:var(--body);font-size:var(--fs-sm);line-height:1.6;flex:1;margin-bottom:18px}

  /* INDUSTRIES — minimal list, ABB style */
  .industries{border-top:1px solid var(--line)}
  .ind-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
  .ind{background:#fff;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 30px;transition:background .2s}
  .ind:hover{background:#ECEEF1}
  .ind h3{font-size:var(--fs-h3);margin-bottom:8px}
  .ind p{color:var(--body);font-size:var(--fs-sm);line-height:1.6}

  /* HOW WE WORK */
  .how{background:#fff;color:var(--ink)}
  .how-eyebrow{display:flex;align-items:center;gap:14px;color:var(--accent);font-size:var(--fs-xs);letter-spacing:3.5px;font-weight:700;text-transform:uppercase;margin-bottom:18px}
  .how-eyebrow .dash{width:44px;height:2px;background:var(--accent)}
  .how-title{font-size:clamp(34px,3.6vw,50px);text-transform:uppercase;letter-spacing:.01em;margin-bottom:18px}
  .how-rule{width:52px;height:3px;background:var(--accent);margin-bottom:26px}
  .how-lead{color:var(--body);font-size:var(--fs-lead);line-height:1.6;max-width:620px;margin-bottom:56px}
  .how-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
  .how-grid.six{grid-template-columns:repeat(3,1fr);gap:40px 44px}
  .how-num{display:flex;align-items:center;gap:14px;margin-bottom:20px}
  .how-num span{color:var(--accent);font-weight:800;font-size:var(--fs-base)}
  .how-num i{flex:1;height:1px;background:var(--line)}
  .how-step h3{font-size:var(--fs-base);text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px}
  .how-step p{color:var(--body);font-size:var(--fs-sm);line-height:1.65}
  .how-grid.cols3{grid-template-columns:repeat(3,1fr)}
  @media(max-width:1100px){
    .nav-links{display:none;position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:8px 32px 20px}
    .nav-links.open{display:flex}
    .nav-links a{padding:14px 0}
    .hamburger{display:block}
  }
  @media(max-width:960px){.how-grid,.how-grid.cols3,.how-grid.six{grid-template-columns:1fr 1fr;gap:32px}}
  @media(max-width:640px){
    .nav-inner{padding:0 20px}
    .nav-logo{font-size:24px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .nav-links{top:84px;padding:8px 20px 16px}.how-grid,.how-grid.cols3,.how-grid.six{grid-template-columns:1fr}}

  /* CONTACT */
  .contact-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:72px}
  .contact-info h3{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin:26px 0 6px;font-weight:600}
  .contact-info h3:first-child{margin-top:0}
  .contact-info p{color:var(--ink);font-size:var(--fs-base)}
  form{border:1px solid var(--line);padding:40px}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  label{display:block;font-size:var(--fs-sm);font-weight:600;margin:18px 0 6px;color:var(--ink)}
  input,textarea,select{width:100%;padding:13px 14px;border:1px solid #CCC;font-size:var(--fs-base);font-family:inherit;background:#fff;transition:border-color .2s;border-radius:0}
  input:focus,textarea:focus,select:focus{outline:none;border-color:var(--ink)}
  textarea{min-height:130px;resize:vertical}

  /* Hero motion mockup */
  #heroArm{transform-box:view-box;transform-origin:500px 340px;animation:weave 7s ease-in-out infinite}
  @keyframes weave{0%,100%{transform:rotate(0deg)}50%{transform:rotate(2.4deg)}}
  #heroArc{animation:arcflicker .14s steps(2,end) infinite}
  @keyframes arcflicker{0%{opacity:1}50%{opacity:.55}100%{opacity:.9}}
  #heroSparks{animation:sparks .5s linear infinite}
  @keyframes sparks{0%{transform:scale(.7);opacity:.9}70%{opacity:.6}100%{transform:scale(1.15);opacity:0}}
  #heroSparks{transform-box:view-box;transform-origin:932px 332px}
  #heroWash{animation:wash 3.1s ease-in-out infinite}
  @keyframes wash{0%,100%{opacity:0}12%{opacity:.05}14%{opacity:.01}18%{opacity:.06}60%{opacity:.02}}
  @media (prefers-reduced-motion: reduce){#heroArm,#heroArc,#heroSparks,#heroWash{animation:none}}
  .media-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
  .weld-photo{object-position:center 48%}
  .cad-photo{object-fit:contain;object-position:center;background:#fff}
  .sw-photo{object-position:35% 28%}
  .mech-photo{object-position:30% 45%}
  .auto-photo{object-position:45% 40%}
  .elec-photo{object-position:center 55%}
  .jig-photo{object-position:center 52%}
  .safety-photo{object-position:center 50%}
  .fea-photo{object-position:center 46%}
  .pall-photo{object-position:58% 45%}
  .submit-btn{margin-top:28px;background:var(--accent);color:#fff;border:none;padding:15px 40px;font-size:var(--fs-base);font-weight:600;cursor:pointer;transition:background .2s}
  .submit-btn:hover{background:var(--accent-dark)}
  .form-note{font-size:var(--fs-xs);color:var(--muted);margin-top:14px}
  @media(max-width:960px){.sup-card:last-child{grid-column:1/-1}}
  @media(max-width:640px){.sup-card:last-child{grid-column:auto}}

  .contact-sec{background:#fff}

  /* FOOTER */
  footer{background:#14181D;padding:64px 0 36px;color:#9AA3AC}
  .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:48px}
  footer h4{color:#fff;font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:18px}
  footer a{display:block;font-size:var(--fs-sm);margin-bottom:12px;transition:color .2s}
  footer a:hover{color:var(--accent)}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:26px;font-size:var(--fs-xs);color:#8A939C;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

  @media(max-width:1100px){
    .nav-links{display:none;position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:8px 32px 20px}
    .nav-links.open{display:flex}
    .nav-links a{padding:14px 0}
    .hamburger{display:block}
  }
  @media(max-width:960px){
    .cards{grid-template-columns:1fr 1fr}
    .ind-grid{grid-template-columns:1fr 1fr}
    .contact-wrap{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
  }
  @media(max-width:640px){
    .nav-inner{padding:0 20px}
    .nav-logo{font-size:24px}
    .nav-cta{padding:10px 16px;font-size:14px}
    .nav-links{top:84px;padding:8px 20px 16px}
    .hero{aspect-ratio:auto;min-height:82vh;max-height:none}
    .hero-photo{left:0;width:100%;object-fit:cover}
    .hero-overlay{background:linear-gradient(180deg,rgba(21,18,15,.85) 0%,rgba(21,18,15,.5) 60%,rgba(21,18,15,.25) 100%)}
    .hero-content{padding:110px 24px 90px}
    .cards{grid-template-columns:1fr}
    .ind-grid{grid-template-columns:1fr}
    .form-row{grid-template-columns:1fr}
    section{padding:64px 0}
  }