:root {
      --bg:       #080d16;
      --surface:  #0e1724;
      --card:     #111b2b;
      --border:   #1e2f47;
      --accent:   #00c8ff;
      --accent2:  #0078ff;
      --text:     #e2eaf6;
      --muted:    #6b82a0;
      --mono:     'Space Mono', monospace;
      --sans:     'Syne', sans-serif;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{background:var(--bg);color:var(--text);font-family:var(--sans);overflow-x:hidden}
    ::-webkit-scrollbar{width:5px}
    ::-webkit-scrollbar-track{background:var(--bg)}
    ::-webkit-scrollbar-thumb{background:var(--accent2);border-radius:3px}
    body::before{
      content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
      background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
      background-size:200px
    }

    /* ── NAV ── */
    #navbar{position:fixed;top:0;width:100%;z-index:1000;background:rgba(8,13,22,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid transparent;padding:14px 0;transition:border-color .3s,box-shadow .3s}
    #navbar.scrolled{border-bottom-color:var(--border);box-shadow:0 4px 40px rgba(0,200,255,.06)}

    /* brand */
    .nav-brand{font-family:var(--mono);font-size:1.25rem;font-weight:700;color:var(--text)!important;text-decoration:none;letter-spacing:-1px;transition:color .2s}
    .nav-brand:hover{color:var(--accent)!important}

    /* links */
    .nav-links{display:flex;gap:32px;align-items:center}
    .nav-lnk{color:var(--muted)!important;font-family:var(--mono);font-size:.72rem;letter-spacing:1.5px;text-transform:uppercase;text-decoration:none;position:relative;padding-bottom:3px;transition:color .2s}
    .nav-lnk::after{content:'';position:absolute;bottom:0;left:0;width:0;height:1.5px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .3s;border-radius:2px}
    .nav-lnk:hover{color:var(--text)!important}
    .nav-lnk:hover::after{width:100%}
    .nav-lnk.active{color:var(--accent)!important}
    .nav-lnk.active::after{width:100%}

    /* burger */
    .nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;z-index:1001}
    .nav-burger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s,opacity .3s}
    .nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .nav-burger.open span:nth-child(2){opacity:0}
    .nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    /* ── SECTIONS ── */
    section{position:relative;z-index:1}
    .sec-label{font-family:var(--mono);font-size:.7rem;letter-spacing:4px;color:var(--accent);text-transform:uppercase;margin-bottom:8px}
    .sec-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.1;margin-bottom:14px}
    .sec-divider{width:40px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2));margin-bottom:48px}

    /* ── HERO ── */
    #hero{min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;
      background:radial-gradient(ellipse 60% 50% at 80% 40%,rgba(0,120,255,.12) 0%,transparent 70%),
                 radial-gradient(ellipse 40% 40% at 20% 70%,rgba(0,200,255,.07) 0%,transparent 60%)}
    .hero-tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;color:var(--accent);letter-spacing:2px;background:rgba(0,200,255,.08);border:1px solid rgba(0,200,255,.2);border-radius:30px;padding:6px 16px;margin-bottom:28px}
    .hero-tag .dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 1.5s infinite}
    @keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.4)}}
    .hero-name{font-size:clamp(2.4rem,6vw,4.5rem);font-weight:800;line-height:1.05;margin-bottom:16px}
    .hero-name .acc{color:var(--accent)}
    .hero-role{font-family:var(--mono);font-size:clamp(.85rem,2vw,1rem);color:var(--muted);margin-bottom:22px}
    .typed-cursor{display:inline-block;color:var(--accent);font-weight:300;margin-left:1px;animation:cur-blink .7s step-end infinite}
    @keyframes cur-blink{0%,100%{opacity:1}50%{opacity:0}}
    .hero-bio{font-size:.97rem;color:var(--muted);line-height:1.8;max-width:520px;margin-bottom:36px}
    .btn-p{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent2),var(--accent));color:#fff;font-family:var(--mono);font-size:.8rem;letter-spacing:1px;padding:13px 26px;border-radius:4px;text-decoration:none;border:none;transition:opacity .2s,transform .2s}
    .btn-p:hover{opacity:.85;transform:translateY(-2px);color:#fff}
    .btn-o{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--text);font-family:var(--mono);font-size:.8rem;letter-spacing:1px;padding:12px 26px;border-radius:4px;text-decoration:none;border:1px solid var(--border);transition:border-color .2s,color .2s,transform .2s}
    .btn-o:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
    .btn-ghost{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--muted);font-family:var(--mono);font-size:.8rem;letter-spacing:1px;padding:12px 26px;border-radius:4px;text-decoration:none;border:1px solid rgba(255,255,255,.08);transition:border-color .2s,color .2s,transform .2s}
    .btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
    .hero-avatar-wrap{position:relative;width:270px;height:270px;margin:0 auto}
    .hero-avatar-wrap::before{content:'';position:absolute;inset:-3px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));z-index:0}
    .hero-avatar{width:264px;height:264px;border-radius:50%;background:linear-gradient(135deg,var(--accent2),var(--accent));display:flex;align-items:center;justify-content:center;font-size:4.5rem;font-weight:800;color:#fff;margin:0 auto;box-shadow:0 0 80px rgba(0,200,255,.2);overflow:hidden;position:relative;z-index:1}
    .hero-avatar img{width:100%;height:100%;object-fit:cover}

    /* ── SCROLL PROGRESS ── */
    #scroll-progress{position:fixed;top:0;left:0;height:2px;width:0%;background:linear-gradient(90deg,var(--accent2),var(--accent));z-index:9999;transition:width .1s linear}

    /* ── BACK TO TOP ── */
    #back-top{position:fixed;bottom:28px;right:28px;width:40px;height:40px;background:linear-gradient(135deg,var(--accent2),var(--accent));color:#fff;border-radius:6px;display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:.85rem;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .3s,transform .3s;z-index:900}
    #back-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
    #back-top:hover{opacity:.85;color:#fff}

    /* ── PRELOADER ── */
    #preloader{position:fixed;inset:0;background:var(--bg);z-index:9999;display:flex;align-items:center;justify-content:center;transition:opacity .5s ease}
    #preloader.pre-hidden{opacity:0;pointer-events:none}
    .pre-inner{display:flex;flex-direction:column;align-items:center;gap:20px}
    .pre-brand{font-family:var(--mono);font-size:2rem;font-weight:700;color:var(--accent);letter-spacing:-1px}
    .pre-bar{width:120px;height:2px;background:var(--border);border-radius:2px;overflow:hidden}
    .pre-bar::after{content:'';display:block;height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent));animation:pre-load 1.2s ease-in-out infinite}
    @keyframes pre-load{0%{width:0;margin-left:0}50%{width:100%;margin-left:0}100%{width:0;margin-left:100%}}
    .social-links{display:flex;gap:10px;flex-wrap:wrap}
    .soc-lnk{width:38px;height:38px;border:1px solid var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;color:var(--muted);text-decoration:none;transition:border-color .2s,color .2s;font-size:.88rem}
    .soc-lnk:hover{border-color:var(--accent);color:var(--accent)}

    /* ── GLASS CARD ── */
    .gc{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:26px;height:100%;transition:border-color .3s,transform .3s,box-shadow .3s;position:relative;overflow:hidden}
    .gc::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent2),var(--accent));opacity:0;transition:opacity .3s}
    .gc:hover{border-color:rgba(0,200,255,.3);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.3)}
    .gc:hover::before{opacity:1}

    /* ── SERVICES ── */
    #services{padding:100px 0}
    .svc-icon{width:48px;height:48px;background:rgba(0,200,255,.08);border:1px solid rgba(0,200,255,.2);border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:1.15rem;margin-bottom:16px}
    .svc-title{font-size:1rem;font-weight:700;margin-bottom:10px}
    .svc-desc{font-size:.86rem;color:var(--muted);line-height:1.7}

    /* ── EXPERIENCE ── */
    #experience{padding:100px 0;background:var(--surface)}
    .timeline{position:relative;padding-left:28px}
    .timeline::before{content:'';position:absolute;left:6px;top:8px;bottom:8px;width:1px;background:var(--border)}
    .exp-item{position:relative;margin-bottom:40px}
    .exp-dot{position:absolute;left:-28px;top:6px;width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--accent2),var(--accent));box-shadow:0 0 12px rgba(0,200,255,.4)}
    .exp-badge{display:inline-block;font-family:var(--mono);font-size:.67rem;letter-spacing:1px;padding:3px 10px;border-radius:30px;background:rgba(0,200,255,.08);border:1px solid rgba(0,200,255,.2);color:var(--accent);margin-bottom:8px}
    .exp-role{font-size:1.08rem;font-weight:700;margin-bottom:4px}
    .exp-co{color:var(--accent);font-size:.88rem;font-weight:600;margin-bottom:2px}
    .exp-meta{font-family:var(--mono);font-size:.73rem;color:var(--muted);margin-bottom:14px}
    .exp-pts{list-style:none;padding:0}
    .exp-pts li{font-size:.87rem;color:var(--muted);line-height:1.7;padding-left:16px;position:relative;margin-bottom:6px}
    .exp-pts li::before{content:'›';position:absolute;left:0;color:var(--accent)}

    /* ── PROJECTS ── */
    #projects{padding:100px 0}
    .p-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
    .tag{font-family:var(--mono);font-size:.67rem;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:3px;padding:3px 8px}
    .p-title{font-size:1rem;font-weight:700;margin-bottom:10px}
    .p-desc{font-size:.85rem;color:var(--muted);line-height:1.7;margin-bottom:16px;flex:1}
    .p-links{display:flex;gap:12px}
    .p-lnk{font-family:var(--mono);font-size:.7rem;color:var(--muted);text-decoration:none;display:inline-flex;align-items:center;gap:5px;border-bottom:1px solid var(--border);padding-bottom:2px;transition:color .2s,border-color .2s}
    .p-lnk:hover{color:var(--accent);border-color:var(--accent)}

    /* ── PORTFOLIO DOCS ── */
    #portfolio-docs{padding:100px 0;background:var(--surface)}
    .doc-cover{
      width:100%;height:130px;object-fit:cover;border-radius:4px;margin-bottom:14px;
      background:linear-gradient(135deg,rgba(0,120,255,.15),rgba(0,200,255,.08));
      display:flex;align-items:center;justify-content:center;font-size:2.8rem;color:var(--accent);
      border:1px solid var(--border);
    }
    .doc-cover img{width:100%;height:100%;object-fit:cover;border-radius:4px}
    .doc-title{font-size:.98rem;font-weight:700;margin-bottom:8px}
    .doc-desc{font-size:.84rem;color:var(--muted);line-height:1.7;margin-bottom:14px;flex:1}
    .doc-open{font-family:var(--mono);font-size:.72rem;display:inline-flex;align-items:center;gap:6px;color:var(--accent);text-decoration:none;border:1px solid rgba(0,200,255,.25);padding:6px 14px;border-radius:3px;transition:background .2s}
    .doc-open:hover{background:rgba(0,200,255,.1);color:var(--accent)}
    .doc-note{font-family:var(--mono);font-size:.68rem;color:var(--muted);margin-top:8px}

    /* ── SKILLS ── */
    #skills{padding:100px 0}
    .skill-group-title{font-family:var(--mono);font-size:.68rem;letter-spacing:3px;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
    .skill-pills{display:flex;flex-wrap:wrap;gap:7px}
    .s-pill{font-family:var(--mono);font-size:.76rem;color:var(--text);background:rgba(0,200,255,.05);border:1px solid rgba(0,200,255,.14);border-radius:4px;padding:5px 11px;transition:background .2s,border-color .2s;cursor:default}
    .s-pill:hover{background:rgba(0,200,255,.12);border-color:var(--accent)}

    /* ── EDUCATION ── */
    #education{padding:100px 0;background:var(--surface)}
    .edu-year{font-family:var(--mono);font-size:.7rem;color:var(--accent);letter-spacing:2px;margin-bottom:6px}
    .edu-deg{font-size:1rem;font-weight:700;margin-bottom:4px}
    .edu-inst{font-size:.87rem;color:var(--muted);margin-bottom:4px}
    .edu-res{font-family:var(--mono);font-size:.77rem;color:var(--accent2)}

    /* ── CONTACT ── */
    #contact{padding:100px 0}
    .c-item{display:flex;align-items:center;gap:14px;padding:17px 20px;background:var(--card);border:1px solid var(--border);border-radius:6px;text-decoration:none;color:var(--text);transition:border-color .2s,transform .2s;margin-bottom:11px}
    .c-item:hover{border-color:var(--accent);transform:translateX(4px);color:var(--text)}
    .c-icon{width:37px;height:37px;background:rgba(0,200,255,.08);border:1px solid rgba(0,200,255,.2);border-radius:5px;display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:.92rem;flex-shrink:0}
    .c-label{font-family:var(--mono);font-size:.68rem;color:var(--muted);letter-spacing:1px;margin-bottom:2px}
    .c-val{font-size:.9rem;font-weight:600}

    /* ── FOOTER ── */
    footer{text-align:center;padding:26px;border-top:1px solid var(--border);font-family:var(--mono);font-size:.7rem;color:var(--muted);position:relative;z-index:1}

    /* ── FADE ── */
    .fu{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
    .fu.vis{opacity:1;transform:translateY(0)}

    @media(max-width:768px){
      #hero{padding-top:100px;text-align:center}
      .hero-bio{margin:0 auto 36px}
      .hero-btns{justify-content:center}
      .social-links{justify-content:center}
      .hero-avatar{width:170px;height:170px;font-size:3rem;margin-bottom:36px}
      .nav-links{gap:16px}
    }
    @media(max-width:576px){
      .nav-burger{display:flex}
      .nav-links{
        display:none;flex-direction:column;gap:0;
        position:absolute;top:100%;left:0;width:100%;
        background:rgba(8,13,22,.98);border-bottom:1px solid var(--border);
        padding:8px 0;
      }
      .nav-links.mobile-open{display:flex}
      .nav-lnk{padding:12px 24px;letter-spacing:1px;border-bottom:1px solid rgba(255,255,255,.04)}
      .nav-lnk::after{display:none}
      .nav-lnk.active{background:rgba(0,200,255,.06)}
    }