:root{
    --bg:#141415;
    --surface:#1C1D1F;
    --border:#29292B;
    --accent:#7C93B8;
    --accent-dark:#141415;
    --text-primary:#E9E9EC;
    --text-secondary:#A8A7AE;
    --text-tertiary:#6C6B72;
    --text-mono:#9FB3D1;
    --font-display:'General Sans', sans-serif;
    --font-body:'IBM Plex Sans', sans-serif;
    --font-mono:'IBM Plex Mono', monospace;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--text-primary);
    font-family:var(--font-body);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
  .eyebrow{
    font-family:var(--font-mono);
    font-size:12px;
    color:var(--text-mono);
    text-transform:lowercase;
    letter-spacing:0.02em;
    margin-bottom:12px;
    display:block;
  }
  h1,h2,h3{font-family:var(--font-display);font-weight:500;color:var(--text-primary);}
  section{padding:96px 0;}
  @media (max-width:720px){section{padding:64px 0;}}

  /* ===== HEADER ===== */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(20,20,21,0.9);
    backdrop-filter:blur(8px);
    border-bottom:0.5px solid var(--border);
  }
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 24px;max-width:1120px;margin:0 auto;
  }
  .logo{
    font-family:var(--font-mono);
    font-size:16px;font-weight:500;
    color:var(--text-primary);
    white-space:nowrap;
  }
  .logo .tag{color:var(--text-tertiary);}
  .logo .name{color:var(--text-mono);}
  .nav-links{display:flex;gap:28px;align-items:center;}
  .nav-links a{font-size:14px;color:var(--text-secondary);transition:color .15s;}
  .nav-links a:hover{color:var(--text-primary);}
  .nav-cta{
    font-family:var(--font-mono);
    font-size:13px;font-weight:500;
    background:var(--accent);color:var(--accent-dark);
    padding:9px 16px;border-radius:6px;
    white-space:nowrap;
  }
  .menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:22px;cursor:pointer;}
  @media (max-width:800px){
    .nav-links{display:none;}
    .menu-toggle{display:block;}
    .nav-links.open{
      display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;
      background:var(--surface);border-bottom:0.5px solid var(--border);
      padding:20px 24px;gap:16px;
    }
  }

  /* ===== HERO ===== */
  .hero{position:relative;overflow:hidden;padding:120px 0 100px;}
  .hero-code{
    position:absolute;top:0;right:0;
    margin:0;padding:32px;
    color:var(--text-mono);opacity:0.10;
    font-family:var(--font-mono);font-size:13px;line-height:1.7;
    white-space:pre;pointer-events:none;
    max-width:520px;
  }
  .hero-inner{position:relative;max-width:640px;}
  .hero h1{font-size:clamp(36px,5.5vw,56px);line-height:1.08;margin-bottom:20px;}
  .hero h1 em{color:var(--text-mono);font-style:normal;}
  .hero p{font-size:17px;color:var(--text-secondary);max-width:480px;margin-bottom:32px;}
  .hero-badges{display:flex;gap:20px;flex-wrap:wrap;margin-top:44px;}
  .hero-badge{font-size:13px;color:var(--text-tertiary);font-family:var(--font-mono);}
  .hero-badge strong{color:var(--text-primary);font-family:var(--font-body);font-weight:500;}

  /* ===== BUTTONS ===== */
  .btn-row{display:flex;gap:14px;flex-wrap:wrap;}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:13px 22px;border-radius:8px;
    font-size:14px;font-weight:500;
    transition:transform .12s, opacity .12s;
    cursor:pointer;border:none;
  }
  .btn:active{transform:scale(0.98);}
  .btn-primary{background:var(--accent);color:var(--accent-dark);}
  .btn-primary:hover{opacity:0.9;}
  .btn-ghost{background:transparent;color:var(--text-primary);border:0.5px solid var(--border);}
  .btn-ghost:hover{border-color:var(--accent);}

  /* ===== SECTION HEAD ===== */
  .section-head{max-width:560px;margin-bottom:48px;}
  .section-head h2{font-size:clamp(26px,3.4vw,36px);}

  /* ===== SERVICES ===== */
  .services-grid{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:1px;background:var(--border);border:0.5px solid var(--border);border-radius:12px;overflow:hidden;
  }
  .service-card{background:var(--surface);padding:32px 28px;}
  .service-card .num{font-family:var(--font-mono);font-size:12px;color:var(--text-tertiary);display:block;margin-bottom:16px;}
  .service-card h3{font-size:18px;margin-bottom:10px;}
  .service-card p{font-size:14px;color:var(--text-secondary);}

  /* ===== HOW IT WORKS ===== */
  .steps-nav{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap;}
  .step-btn{
    flex:1;min-width:130px;
    background:transparent;border:0.5px solid var(--border);border-radius:8px;
    padding:12px 14px;cursor:pointer;text-align:left;transition:border-color .15s, background .15s;
  }
  .step-btn .n{display:block;font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);margin-bottom:6px;}
  .step-btn .t{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);}
  .step-btn.active{background:var(--surface);border-color:var(--accent);}
  .step-btn.active .n{color:var(--text-mono);}
  .step-btn.active .t{color:var(--text-primary);}
  .step-detail{
    background:var(--surface);border:0.5px solid var(--border);border-radius:12px;
    padding:28px;min-height:88px;display:flex;align-items:center;
  }
  .step-detail p{font-size:15px;color:var(--text-secondary);line-height:1.7;}

  /* ===== PORTFOLIO ===== */
  .portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;}
  .project-card{
    background:var(--surface);border:0.5px solid var(--border);border-radius:12px;
    overflow:hidden;display:flex;flex-direction:column;transition:border-color .15s;
  }
  .project-card:hover{border-color:var(--accent);}
  .project-thumb{aspect-ratio:16/10;overflow:hidden;background:#0d0d0e;}
  .project-thumb img{width:100%;height:100%;object-fit:cover;object-position:top;}
  .project-body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column;}
  .project-body h3{font-size:17px;margin-bottom:8px;}
  .project-body p{font-size:14px;color:var(--text-secondary);margin-bottom:16px;flex:1;}
  .tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
  .tag{
    font-family:var(--font-mono);font-size:11px;color:var(--text-mono);
    background:rgba(124,147,184,0.08);border:0.5px solid var(--border);
    padding:4px 9px;border-radius:5px;
  }
  .project-link{font-size:13px;color:var(--accent);font-weight:500;display:inline-flex;align-items:center;gap:6px;}

  /* ===== FAQ ===== */
  .faq-item{border-bottom:0.5px solid var(--border);}
  .faq-item:first-child{border-top:0.5px solid var(--border);}
  .faq-q{
    width:100%;background:none;border:none;color:var(--text-primary);
    display:flex;justify-content:space-between;align-items:center;
    padding:22px 4px;font-size:16px;font-family:var(--font-body);font-weight:500;
    cursor:pointer;text-align:left;
  }
  .faq-q .icon{font-family:var(--font-mono);color:var(--text-tertiary);font-size:18px;transition:transform .2s;flex-shrink:0;margin-left:16px;}
  .faq-item.open .icon{transform:rotate(45deg);color:var(--text-mono);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
  .faq-a p{font-size:14px;color:var(--text-secondary);padding:0 4px 22px;max-width:640px;}

  /* ===== CONTACT ===== */
  .contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;}
  @media (max-width:820px){.contact-grid{grid-template-columns:1fr;}}
  .contact-info h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:16px;}
  .contact-info p{color:var(--text-secondary);font-size:15px;max-width:420px;margin-bottom:28px;}
  .contact-method{
    display:flex;align-items:center;gap:12px;
    background:var(--surface);border:0.5px solid var(--border);border-radius:10px;
    padding:16px 18px;margin-bottom:12px;
  }
  .contact-method .label{font-size:11px;color:var(--text-tertiary);font-family:var(--font-mono);display:block;margin-bottom:2px;}
  .contact-method .value{font-size:14px;color:var(--text-primary);font-weight:500;}

  .form-card{background:var(--surface);border:0.5px solid var(--border);border-radius:12px;padding:28px;}
  .form-card h3{font-size:16px;margin-bottom:6px;}
  .form-card .sub{font-size:13px;color:var(--text-tertiary);margin-bottom:20px;}
  .field{margin-bottom:14px;}
  .field label{display:block;font-size:12px;color:var(--text-secondary);margin-bottom:6px;}
  .field input,.field textarea{
    width:100%;background:var(--bg);border:0.5px solid var(--border);border-radius:7px;
    padding:11px 13px;color:var(--text-primary);font-family:var(--font-body);font-size:14px;
    resize:vertical;
  }
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);}
  .form-note{font-size:12px;color:var(--text-tertiary);margin-top:10px;}

  /* ===== FOOTER ===== */
  footer{border-top:0.5px solid var(--border);padding:36px 0;}
  .footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
  .footer-inner p{font-size:13px;color:var(--text-tertiary);}