:root{
    --bg:#0A0E13;
    --bg-elev:#101620;
    --surface:#151D29;
    --surface-2:#1B2432;
    --border:#26313F;
    --border-soft:#1D2733;
    --text:#EAF0F6;
    --text-muted:#8D9BAB;
    --text-dim:#5C6B7C;
    --red:#D6362E;
    --red-dim:#7A231F;
    --cyan:#33D9C0;
    --gold:#E8B93D;
    --radius:2px;
    --mono:'IBM Plex Mono', monospace;
    --display:'Space Grotesk', sans-serif;
    --body:'Inter', sans-serif;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--body);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit; text-decoration:none;}
  ::selection{background:var(--red-dim); color:#fff;}

  .grain{
    position:fixed; inset:0; pointer-events:none; z-index:1; opacity:.035;
    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");
  }

  .container{max-width:1180px; margin:0 auto; padding:0 32px;}
  @media(max-width:640px){.container{padding:0 20px;}}

  /* ---------- NAV ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    background:rgba(10,14,19,.82); backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border-soft);
  }
  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 32px; max-width:1180px; margin:0 auto;
  }
  .logo{display:flex; align-items:center; gap:10px; font-family:var(--display); font-weight:700; font-size:19px; letter-spacing:.5px;}
  .logo-mark{
    width:26px; height:26px; position:relative; flex-shrink:0;
  }
  .logo-mark svg{width:100%; height:100%;}
  .logo small{display:block; font-family:var(--mono); font-weight:400; font-size:9px; color:var(--text-dim); letter-spacing:1.5px; margin-top:1px;}

  .nav-links{display:flex; gap:36px; font-size:14px; color:var(--text-muted);}
  .nav-links a{transition:color .2s;}
  .nav-links a:hover{color:var(--text);}
  .nav-right{display:flex; align-items:center; gap:20px;}
  .lang-toggle{
    font-family:var(--mono); font-size:12px; color:var(--text-muted);
    border:1px solid var(--border); border-radius:var(--radius);
    display:flex; overflow:hidden; cursor:pointer;
  }
  .lang-toggle span{padding:6px 11px; transition:.2s;}
  .lang-toggle span.active{background:var(--red); color:#fff;}
  .nav-cta{
    font-family:var(--mono); font-size:13px; padding:9px 16px;
    border:1px solid var(--red); color:var(--red); border-radius:var(--radius);
    transition:.2s;
  }
  .nav-cta:hover{background:var(--red); color:#fff;}
  .burger{display:none;}
  @media(max-width:900px){
    .nav-links{display:none;}
    nav{padding:16px 20px;}
  }

  /* ---------- HERO ---------- */
  .hero{
    padding:168px 0 100px; position:relative;
    display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center;
  }
  @media(max-width:980px){.hero{grid-template-columns:1fr; padding:140px 0 60px;}}

  .eyebrow{
    font-family:var(--mono); font-size:12px; color:var(--cyan); letter-spacing:2px;
    text-transform:uppercase; display:flex; align-items:center; gap:10px; margin-bottom:22px;
  }
  .eyebrow::before{content:''; width:22px; height:1px; background:var(--cyan);}

  h1.hero-title{
    font-family:var(--display); font-weight:700; font-size:clamp(34px,5vw,58px);
    line-height:1.05; letter-spacing:-.5px; margin-bottom:22px;
  }
  h1.hero-title em{
    font-style:normal; color:var(--red); position:relative;
  }
  .hero-sub{
    font-size:17px; color:var(--text-muted); max-width:480px; margin-bottom:34px;
  }
  .hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:44px;}
  .btn-primary{
    font-family:var(--mono); font-size:13.5px; padding:14px 24px; background:var(--red);
    color:#fff; border-radius:var(--radius); display:inline-flex; align-items:center; gap:8px;
    transition:.2s; border:1px solid var(--red);
  }
  .btn-primary:hover{background:#B82B24;}
  .btn-ghost{
    font-family:var(--mono); font-size:13.5px; padding:14px 24px; border:1px solid var(--border);
    color:var(--text); border-radius:var(--radius); transition:.2s;
  }
  .btn-ghost:hover{border-color:var(--text-muted);}

  .hero-stats{display:flex; gap:36px; flex-wrap:wrap;}
  .hero-stats div{border-left:2px solid var(--border); padding-left:14px;}
  .hero-stats .num{font-family:var(--display); font-size:26px; font-weight:700; color:var(--text);}
  .hero-stats .lbl{font-family:var(--mono); font-size:11px; color:var(--text-dim); text-transform:uppercase; letter-spacing:.5px;}

  /* ---------- STACK DIAGRAM (signature element) ---------- */
  .stack{
    position:relative; height:520px; display:flex; flex-direction:column; justify-content:flex-end; gap:14px;
  }
  .stack-layer{
    background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
    padding:16px 18px; position:relative; opacity:0; transform:translateY(16px);
    animation:layerIn .6s ease forwards;
  }
  .stack-layer:nth-child(1){animation-delay:.1s;}
  .stack-layer:nth-child(2){animation-delay:.3s;}
  .stack-layer:nth-child(3){animation-delay:.5s;}
  .stack-layer:nth-child(4){animation-delay:.7s;}
  @keyframes layerIn{to{opacity:1; transform:translateY(0);}}
  .stack-layer .tag{font-family:var(--mono); font-size:10px; color:var(--text-dim); text-transform:uppercase; letter-spacing:1px;}
  .stack-layer .title{font-family:var(--display); font-size:15px; font-weight:600; margin-top:3px;}
  .stack-layer .files{font-family:var(--mono); font-size:11px; color:var(--text-dim); margin-top:8px; display:flex; gap:10px; flex-wrap:wrap;}
  .stack-layer .files span{background:var(--bg-elev); padding:2px 7px; border-radius:2px; border:1px solid var(--border-soft);}
  .stack-layer.ai{border-color:rgba(51,217,192,.35);}
  .stack-layer.ai .title{color:var(--cyan);}
  .stack-layer.top{border-color:rgba(214,54,46,.4); background:linear-gradient(135deg, rgba(214,54,46,.08), var(--surface));}
  .stack-conn{
    position:absolute; left:34px; width:1px; background:linear-gradient(var(--border), transparent);
  }
  .pulse-dot{
    position:absolute; left:-2.5px; width:6px; height:6px; border-radius:50%; background:var(--cyan);
    box-shadow:0 0 8px var(--cyan); animation:travel 3.4s linear infinite;
  }
  @keyframes travel{0%{top:100%; opacity:0;} 10%{opacity:1;} 90%{opacity:1;} 100%{top:0%; opacity:0;}}

  /* ---------- SECTION SCAFFOLDING ---------- */
  section{padding:110px 0; position:relative;}
  .section-head{margin-bottom:56px; max-width:640px;}
  .section-head .eyebrow{margin-bottom:16px;}
  h2.section-title{font-family:var(--display); font-size:clamp(28px,3.4vw,40px); font-weight:700; letter-spacing:-.3px; margin-bottom:16px;}
  .section-desc{color:var(--text-muted); font-size:15.5px;}
  .divider{height:1px; background:linear-gradient(90deg, var(--border), transparent); margin:0;}

  /* ---------- SERVICES ---------- */
  .services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border-soft); border:1px solid var(--border-soft);}
  @media(max-width:900px){.services-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:600px){.services-grid{grid-template-columns:1fr;}}
  .service-card{
    background:var(--bg-elev); padding:34px 28px; transition:.25s;
  }
  .service-card:hover{background:var(--surface);}
  .service-card .idx{font-family:var(--mono); font-size:11px; color:var(--text-dim); margin-bottom:20px;}
  .service-card .icon{width:34px; height:34px; margin-bottom:18px; color:var(--red);}
  .service-card.featured .icon{color:var(--cyan);}
  .service-card h3{font-family:var(--display); font-size:18px; font-weight:600; margin-bottom:10px;}
  .service-card p{font-size:14px; color:var(--text-muted); margin-bottom:16px;}
  .service-card .stack-tags{display:flex; flex-wrap:wrap; gap:6px;}
  .service-card .stack-tags span{font-family:var(--mono); font-size:10.5px; color:var(--text-dim); border:1px solid var(--border); padding:3px 8px; border-radius:2px;}
  .service-card.featured{position:relative;}
  .service-card.featured::before{content:attr(data-badge); position:absolute; top:16px; right:16px; font-family:var(--mono); font-size:9.5px; color:var(--cyan); border:1px solid rgba(51,217,192,.4); padding:3px 7px; border-radius:2px; letter-spacing:.5px;}

  /* ---------- PROJECTS ---------- */
  .projects{display:flex; flex-direction:column; gap:1px; background:var(--border-soft); border:1px solid var(--border-soft);}
  .project-row{
    background:var(--bg-elev); display:grid; grid-template-columns:100px 1fr 200px; gap:28px; padding:32px 28px; align-items:start;
    transition:.2s;
  }
  .project-row:hover{background:var(--surface);}
  @media(max-width:760px){.project-row{grid-template-columns:1fr; gap:12px;}}
  .project-row .pnum{font-family:var(--mono); color:var(--text-dim); font-size:13px;}
  .project-row h3{font-family:var(--display); font-size:19px; font-weight:600; margin-bottom:8px;}
  .project-row p{font-size:14px; color:var(--text-muted); max-width:520px;}
  .project-row .ptags{display:flex; flex-wrap:wrap; gap:6px; margin-top:14px;}
  .project-row .ptags span{font-family:var(--mono); font-size:10.5px; color:var(--cyan); border:1px solid rgba(51,217,192,.3); padding:3px 8px; border-radius:2px;}
  .project-row .pmeta{font-family:var(--mono); font-size:11px; color:var(--text-dim); text-align:right;}
  @media(max-width:760px){.project-row .pmeta{text-align:left;}}
  .project-row .pmeta .status{color:var(--gold); display:block; margin-bottom:4px;}

  /* ---------- ABOUT / CREDENTIALS ---------- */
  .about{display:grid; grid-template-columns:.9fr 1.1fr; gap:60px; align-items:start;}
  @media(max-width:900px){.about{grid-template-columns:1fr;}}
  .credential-list{display:flex; flex-direction:column; gap:0;}
  .credential-list li{
    list-style:none; display:flex; justify-content:space-between; padding:16px 0; border-bottom:1px solid var(--border-soft);
    font-family:var(--mono); font-size:13px;
  }
  .credential-list li span:first-child{color:var(--text);}
  .credential-list li span:last-child{color:var(--text-dim);}
  .about-copy p{color:var(--text-muted); margin-bottom:18px; font-size:15.5px;}
  .about-copy strong{color:var(--text); font-weight:600;}
  .timeline-note{
    font-family:var(--mono); font-size:12px; color:var(--text-dim); border-left:2px solid var(--red);
    padding:10px 16px; margin-top:22px; background:var(--surface);
  }

  /* ---------- PROCESS ---------- */
  .process{display:grid; grid-template-columns:repeat(4,1fr); gap:24px;}
  @media(max-width:900px){.process{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:560px){.process{grid-template-columns:1fr;}}
  .process-step{padding-top:20px; border-top:2px solid var(--border);}
  .process-step .pn{font-family:var(--mono); font-size:12px; color:var(--red); margin-bottom:10px;}
  .process-step h4{font-family:var(--display); font-size:16px; margin-bottom:8px;}
  .process-step p{font-size:13.5px; color:var(--text-muted);}

  /* ---------- CTA / CONTACT ---------- */
  .contact-wrap{
    background:var(--bg-elev); border:1px solid var(--border-soft); border-radius:var(--radius);
    padding:56px 48px; display:grid; grid-template-columns:1fr 1fr; gap:56px;
    position:relative; overflow:hidden;
  }
  @media(max-width:860px){.contact-wrap{grid-template-columns:1fr; padding:36px 24px;}}
  .contact-intro h2{font-family:var(--display); font-size:clamp(24px,3vw,32px); margin-bottom:14px; margin-top:4px;}
  .contact-intro p{color:var(--text-muted); max-width:440px; margin-bottom:28px;}
  .contact-details{display:flex; flex-direction:column; gap:8px; font-family:var(--mono); font-size:13.5px;}
  .contact-details a{color:var(--text); transition:.2s;}
  .contact-details a:hover{color:var(--cyan);}
  .contact-details .lbl{color:var(--text-dim); font-size:11px; text-transform:uppercase; letter-spacing:1px; margin-top:12px;}

  .contact-form{display:flex; flex-direction:column; gap:16px;}
  .form-row{display:flex; flex-direction:column; gap:6px;}
  .form-row label{font-family:var(--mono); font-size:11.5px; color:var(--text-dim); text-transform:uppercase; letter-spacing:.5px;}
  .form-row input, .form-row textarea{
    background:var(--bg); border:1px solid var(--border); border-radius:var(--radius);
    color:var(--text); font-family:var(--body); font-size:14px; padding:12px 14px; resize:vertical;
    transition:.2s;
  }
  .form-row input:focus, .form-row textarea:focus{outline:none; border-color:var(--cyan);}
  .hp-field{position:absolute; left:-9999px; opacity:0; height:0; width:0;}
  .contact-form .btn-primary{border:1px solid var(--red); cursor:pointer; margin-top:4px; align-self:flex-start;}
  .form-status{font-family:var(--mono); font-size:12.5px; min-height:16px; color:var(--text-dim);}
  .form-status.ok{color:var(--cyan);}
  .form-status.err{color:var(--red);}

  footer{padding:40px 0 60px; border-top:1px solid var(--border-soft); margin-top:40px;}
  .footer-inner{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
  .footer-inner p{font-family:var(--mono); font-size:11.5px; color:var(--text-dim);}

  [data-i18n]{display:block;}
  [lang-hide]{display:none;}