:root{
    --bg: #0a0e13;
    --bg-alt: #0d1319;
    --surface: #111a22;
    --surface-2: #16212b;
    --border: #223140;
    --border-bright: #2f4b5c;
    --text: #dbe6ee;
    --muted: #7e93a3;
    --muted-2: #86a0b5;
    --accent: #45d6c4;
    --accent-dim: #2a8f83;
    --amber: #f0b429;
    --red: #ef5b5b;
    --mono: 'JetBrains Mono', monospace;
    --sans: 'Inter', sans-serif;
  }

  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth; scroll-padding-top:78px; max-width: 100%; overflow-x: hidden;}
  /* custom scrollbar */
  ::-webkit-scrollbar { width: 10px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 5px; border: 2px solid var(--bg); }
  ::-webkit-scrollbar-thumb:hover { background: var(--border-bright); }

  body{
    background:
      radial-gradient(circle at 12% 8%, rgba(69,214,196,0.06), transparent 40%),
      radial-gradient(circle at 88% 92%, rgba(240,180,41,0.04), transparent 45%),
      var(--bg);
    color:var(--text);
    font-family:var(--sans);
    line-height:1.6;
    overflow-x:hidden;
    max-width: 100%;
    /* Responsive Fix: Add global wrap strategy to prevent any word from breaking viewport */
    overflow-wrap: anywhere;
  }

  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
  }

  a{color:inherit;text-decoration:none;}
  ::selection{background:var(--accent); color:#041412;}

  /* Responsive Fix: Ensure media elements scale within their containers */
  img:not(.profile-image), video, iframe {
    max-width: 100%;
    height: auto;
  }

  .skip-link{
    position:absolute; left:16px; top:12px; z-index:100;
    transform:translateY(-140%); background:var(--accent); color:#041412;
    font-family:var(--mono); font-size:12px; font-weight:700;
    padding:8px 12px; border-radius:4px; transition:transform .2s ease;
  }
  .skip-link:focus{transform:translateY(0);}

  /* faint circuit grid backdrop */
  .grid-overlay{
    position:fixed; inset:0; z-index:0; pointer-events:none;
    background-image:
      linear-gradient(rgba(69,214,196,0.035) 1px, transparent 1px),
      linear-gradient(90deg, rgba(69,214,196,0.035) 1px, transparent 1px);
    background-size:42px 42px;
    mask-image: radial-gradient(circle at 50% 0%, rgba(0,0,0,0.9), transparent 75%);
  }

  .wrap{max-width:1080px; margin:0 auto; padding:0 28px; position:relative; z-index:1;}

  /* ---------- NAV ---------- */
  header.nav{
    position:sticky; top:0; z-index:50;
    background:rgba(10,14,19,0.82);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border);
  }
  .nav-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 28px; max-width:1080px; margin:0 auto; position:relative;}
  .logo{font-family:var(--mono); font-weight:700; font-size:15px; letter-spacing:0.5px; color:var(--text); display:flex; align-items:center; gap:8px;}
  .logo .dot{width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 8px var(--accent); flex:none;}
  .logo-path{color:var(--muted-2);}
  nav.links{display:flex; gap:22px; font-family:var(--mono); font-size:13px;}
  nav.links a{color:var(--muted); transition:color .2s;}
  nav.links a:hover, nav.links a:focus-visible{color:var(--accent);}
  .nav-toggle{display:none; background:none; border:1px solid var(--border); color:var(--text); font-family:var(--mono); padding:10px; min-width:44px; min-height:44px; align-items:center; justify-content:center; border-radius:4px; cursor:pointer;}

  .breadcrumb{
    border-bottom:1px solid rgba(34,49,64,0.55);
    background:rgba(10,14,19,0.58);
  }
  .breadcrumb ol{
    display:flex; align-items:center; gap:8px; list-style:none; padding-top:10px; padding-bottom:10px; font-family:var(--mono); font-size:11.5px; color:var(--muted-2);
    /* Responsive Fix: Allow breadcrumbs to wrap on smaller screens */
    flex-wrap: wrap;
  }
  .breadcrumb li+li::before{content:"/"; margin-right:8px; color:var(--border-bright);}
  .breadcrumb a{color:var(--muted);}
  .breadcrumb a:hover{color:var(--accent);}

  /* ---------- HERO ---------- */
  .hero{padding:96px 0 80px; position:relative;}
  .hero-home{border-top:none; padding-top:80px;}
  .hero-grid{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;}
  .eyebrow{
    font-family:var(--mono); font-size:12px; color:var(--accent);
    letter-spacing:1.5px; text-transform:uppercase; display:flex; align-items:center; gap:10px; margin-bottom:18px;
  }
  .eyebrow::before{content:"//"; color:var(--muted-2);}
  .cursor-blink{display:inline-block; width:8px; height:16px; background:var(--accent); margin-left:2px; animation:blink 1s steps(2) infinite; vertical-align:middle;}
  @keyframes blink{50%{opacity:0;}}

  h1.name{
    font-family:var(--mono); font-weight:800; font-size:clamp(34px,5vw,54px);
    line-height:1.08; letter-spacing:0; margin-bottom:14px;
    /* Responsive Fix: Ensure very long names don't cause horizontal overflow on extremely small screens */
    word-break: break-word;
  }
  h1.name .accent{color:var(--accent);}
  .role-line{font-size:17px; color:var(--muted); font-weight:500; margin-bottom:22px;}
  .role-line .sep{color:var(--border-bright); margin:0 8px;}
  .tagline{font-size:15px; color:var(--muted); max-width:480px; margin-bottom:34px;}

  .cta-row{display:flex; gap:14px; flex-wrap:wrap;}
  .btn{
    font-family:var(--mono); font-size:13px; font-weight:600; padding:13px 22px;
    border-radius:6px; border:1px solid transparent; cursor:pointer; transition:all .2s; letter-spacing:0.3px;
    display:inline-flex; align-items:center; gap:8px;
    /* Responsive Fix: Allow button text to wrap */
    white-space: normal;
    text-align: center;
  }
  .btn-primary{background:var(--accent); color:#04191a;}
  .btn-primary:hover{background:#5be6d4; transform:translateY(-1px); box-shadow:0 6px 18px rgba(69,214,196,0.25);}
  .btn-outline{border-color:var(--border-bright); color:var(--text); background:transparent;}
  .btn-outline:hover{border-color:var(--accent); color:var(--accent);}
  .btn-ghost{color:var(--muted); background:transparent; border-color:var(--border);}
  .btn-ghost:hover{color:var(--text); border-color:var(--border-bright);}

  /* terminal card */
  .terminal{
    background:var(--surface); border:1px solid var(--border); border-radius:10px;
    overflow:hidden; box-shadow:0 20px 60px rgba(0,0,0,0.45);
  }
  .term-bar{
    display:flex; align-items:center; gap:8px; padding:11px 14px; background:var(--surface-2);
    border-bottom:1px solid var(--border); font-family:var(--mono); font-size:11.5px; color:var(--muted-2);
    /* Responsive Fix: Allow terminal title bar elements to wrap */
    flex-wrap: wrap;
  }
  .term-dot{width:10px; height:10px; border-radius:50%;}
  .term-bar .term-dot:nth-child(1){background:#ef5b5b;}
  .term-bar .term-dot:nth-child(2){background:#f0b429;}
  .term-bar .term-dot:nth-child(3){background:#45d6c4;}
  .term-title{margin-left:8px;}
  .term-body{padding:20px 18px; font-family:var(--mono); font-size:13px; min-height:230px;}
  .term-line{
    color:var(--muted); margin-bottom:8px; white-space:pre-wrap;
    /* Responsive Fix: Prevent long strings from breaking terminal layout on mobile */
    word-break: break-all;
    overflow-wrap: anywhere;
  }
  .term-line .prompt{color:var(--accent);}
  .term-line .k{color:var(--muted-2);}
  .term-line .ok{color:var(--accent);}
  .term-line .warn{color:var(--amber);}
  .term-line .val{color:var(--text);}
  #typeLine::after{content:'▌'; color:var(--accent); animation:blink 1s steps(2) infinite;}
  .term-rest{opacity:0;}
  .term-rest.is-visible{opacity:1; transition:opacity .6s ease;}

  /* ---------- SECTION SHELL ---------- */
  section{padding:88px 0; border-top:1px solid var(--border);}
  section[id]{scroll-margin-top:78px;}
  section:not(#home){content-visibility:auto; contain-intrinsic-size:auto 600px;}
  .sec-head{margin-bottom:44px;}
  .sec-tag{font-family:var(--mono); font-size:12px; color:var(--accent); letter-spacing:1.5px; text-transform:uppercase; margin-bottom:10px;}
  .sec-tag::before{content:"$ "; color:var(--muted-2);}
  h2.sec-title{font-family:var(--mono); font-size:clamp(24px,3.4vw,32px); font-weight:700; letter-spacing:0;}
  .sec-sub{color:var(--muted); font-size:14.5px; margin-top:10px; max-width:600px;}

  /* ---------- ABOUT ---------- */
  .about-grid{display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start;}
  .about-text p{color:var(--muted); font-size:15px; margin-bottom:16px;}
  .about-text strong{color:var(--text);}
  .whoami{
    background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:22px;
    font-family:var(--mono); font-size:13px;
  }
  .whoami .k{color:var(--muted-2);}
  .whoami .v{color:var(--accent);}
  .whoami-row{
    display:flex; justify-content:space-between; padding:9px 0; border-bottom:1px dashed var(--border);
    /* Responsive Fix: Allow whoami attributes to wrap if values are too long */
    flex-wrap: wrap;
    gap: 8px;
  }
  .whoami-row:last-child{border-bottom:none;}
  .quote-box{
    margin-top:22px; padding:18px 20px; border-left:2px solid var(--accent);
    background:rgba(69,214,196,0.05); font-size:13.5px; color:var(--text); font-style:italic;
  }
  .profile-panel{display:flex; flex-direction:column; align-items:center; margin-bottom:20px;}
  .profile-frame{
    width:168px; height:168px; border-radius:16px; background:var(--surface);
    border:1px solid var(--border-bright); display:flex; align-items:center; justify-content:center;
    position:relative; overflow:hidden; box-shadow:0 12px 30px rgba(0,0,0,0.4);
  }
  .profile-image{width:100%; height:100%; object-fit:cover; object-position:50% 15%; aspect-ratio:1/1;}
  .profile-ring{position:absolute; inset:0; border:1px solid var(--accent-dim); border-radius:16px; opacity:.5; pointer-events:none;}
  .profile-corner{position:absolute; width:14px; height:14px; pointer-events:none;}
  .profile-corner-top{top:8px; left:8px; border-top:2px solid var(--accent); border-left:2px solid var(--accent);}
  .profile-corner-bottom{bottom:8px; right:8px; border-bottom:2px solid var(--accent); border-right:2px solid var(--accent);}
  .profile-caption{font-family:var(--mono); font-size:11px; color:var(--muted-2); margin-top:8px;}

  /* ---------- EDUCATION TIMELINE ---------- */
  .timeline{position:relative; padding-left:28px;}
  .timeline::before{content:''; position:absolute; left:5px; top:6px; bottom:6px; width:1px; background:linear-gradient(var(--accent), var(--border) 90%);}
  .t-item{position:relative; padding-bottom:26px;}
  .t-item::before{content:''; position:absolute; left:-28px; top:4px; width:11px; height:11px; border-radius:50%; background:var(--bg); border:2px solid var(--accent);}
  .t-item h3{font-family:var(--mono); font-size:15px; margin-bottom:4px;}
  .t-item .t-org{color:var(--accent); font-size:13px; margin-bottom:10px; font-family:var(--mono);}
  .chip-row{display:flex; gap:8px; flex-wrap:wrap;}
  .chip{
    font-family:var(--mono); font-size:11.5px; color:var(--muted); border:1px solid var(--border);
    padding:5px 10px; border-radius:20px; background:var(--surface);
    /* Responsive Fix: Prevent awkward chip text breaking */
    white-space: nowrap;
  }

  /* ---------- SKILLS ---------- */
  .skills-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:22px;}
  .skill-card{background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:22px;}
  .skill-card h3{
    font-family:var(--mono); font-size:14px; margin-bottom:16px; color:var(--text); display:flex; align-items:center; gap:8px;
    /* Responsive Fix: Allow long skill category headers to wrap */
    flex-wrap: wrap;
  }
  .skill-card h3 .ic{color:var(--accent);}
  .bar-row{margin-bottom:13px;}
  .bar-row:last-child{margin-bottom:0;}
  .bar-label{
    display:flex; justify-content:space-between; font-size:12.5px; color:var(--muted); margin-bottom:5px; font-family:var(--mono);
    /* Responsive Fix: Ensure skill labels don't overlap on very small screens */
    flex-wrap: wrap;
    gap: 4px;
  }
  .bar-label .status{font-size:10.5px; padding:1px 7px; border-radius:3px; border:1px solid var(--border-bright);}
  .bar-label .status.learning{color:var(--amber); border-color:var(--amber);}
  .bar-track{height:5px; background:var(--surface-2); border-radius:3px; overflow:hidden; border:1px solid var(--border);}
  .bar-fill{height:100%; background:linear-gradient(90deg, var(--accent-dim), var(--accent)); border-radius:3px; width:0%; transition:width 1.2s ease;}

  /* ---------- PROJECTS ---------- */
  .proj-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:20px;}
  .proj-card{
    background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:24px;
    position:relative; transition:border-color .2s, transform .2s;
  }
  .proj-card:hover{border-color:var(--border-bright); transform:translateY(-3px);}
  .proj-id{font-family:var(--mono); font-size:11px; color:var(--muted-2); margin-bottom:10px;}
  .proj-card h3{
    font-size:16.5px; margin-bottom:8px; font-weight:700;
    /* Responsive Fix: Prevent long project titles from overlapping the status badge or overflowing */
    word-break: break-word;
    padding-right: 70px;
  }
  .proj-card p{font-size:13.5px; color:var(--muted); margin-bottom:14px;}
  .proj-status{
    position:absolute; top:22px; right:22px; font-family:var(--mono); font-size:10px;
    padding:3px 9px; border-radius:20px; border:1px solid var(--border-bright); color:var(--muted);
  }
  .proj-status.done{color:var(--accent); border-color:var(--accent-dim);}

  /* ---------- LEARNING TAGS ---------- */
  .tag-cloud{display:flex; gap:10px; flex-wrap:wrap;}
  .tag-pill{
    font-family:var(--mono); font-size:13px; padding:9px 16px; border-radius:6px;
    background:var(--surface); border:1px solid var(--border); color:var(--text);
    display:flex; align-items:center; gap:8px;
  }
  .tag-pill .pulse{width:6px; height:6px; border-radius:50%; background:var(--accent); box-shadow:0 0 6px var(--accent); animation:pulse 1.8s infinite;}
  @keyframes pulse{0%,100%{opacity:1;} 50%{opacity:.3;}}

  /* ---------- GOALS ---------- */
  .goal-list{display:flex; flex-direction:column; gap:12px; list-style:none;}
  .goal-item{
    display:flex; align-items:center; gap:14px; background:var(--surface); border:1px solid var(--border);
    border-radius:8px; padding:15px 18px; font-size:14.5px;
  }
  .goal-item .box{width:16px; height:16px; border:1px solid var(--border-bright); border-radius:3px; flex:none; position:relative;}
  .goal-item .box::after{content:''; position:absolute; inset:3px; background:var(--accent); border-radius:1px; opacity:0; transition:opacity .2s;}
  .goal-item:hover .box::after{opacity:1;}

  /* ---------- JOURNEY / LOG ---------- */
  .log-box{background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:8px 0;}
  .log-line{font-family:var(--mono); font-size:13px; padding:12px 22px; border-bottom:1px solid var(--border); display:flex; gap:14px;}
  .log-line:last-child{border-bottom:none;}
  .log-line .tag{color:var(--accent); flex:none;}
  .log-line .msg{color:var(--muted);}
  .log-line .msg strong{color:var(--text); font-weight:600;}

  /* ---------- BEYOND ---------- */
  .beyond-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:16px;}
  .beyond-card{
    background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:20px 14px; text-align:center; transition:border-color .2s;
    /* Responsive Fix: Prevent long text in cards from overflowing */
    word-break: break-word;
  }
  .beyond-card:hover{border-color:var(--accent-dim);}
  .beyond-card .emo{font-size:26px; margin-bottom:8px; display:block;}
  .beyond-card span{font-size:12px; color:var(--muted); font-family:var(--mono);}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid; grid-template-columns:repeat(3, 1fr); gap:18px; align-items:start;}
  .faq-item{background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:22px; transition: border-color .2s;}
  .faq-item[open]{border-color:var(--accent-dim);}
  .faq-item summary{cursor:pointer; display:flex; align-items:flex-start; justify-content:space-between; gap:12px; list-style:none;}
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item h3{font-size:15px; margin-bottom:0; font-family:var(--mono); color:var(--text); line-height:1.4;}
  .faq-item .faq-icon{color:var(--accent); font-family:var(--mono); font-size:18px; line-height:1; transition:transform .3s ease; flex:none;}
  .faq-item[open] .faq-icon{transform:rotate(45deg);}
  .faq-item p{font-size:13.5px; color:var(--muted); margin-top:14px;}

  /* ---------- CONTACT ---------- */
  .contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:48px;}
  .contact-list{display:flex; flex-direction:column; gap:14px; font-style:normal;}
  .contact-row{
    display:flex; align-items:center; gap:14px; padding:16px 18px; background:var(--surface);
    border:1px solid var(--border); border-radius:8px; transition:border-color .2s;
  }
  .contact-row:hover{border-color:var(--accent-dim);}
  .contact-row .ic{
    width:44px; height:44px; border-radius:6px; background:var(--surface-2); display:flex;
    align-items:center; justify-content:center; font-size:18px; flex:none; border:1px solid var(--border);
  }
  .contact-row .label{font-size:11.5px; color:var(--muted-2); font-family:var(--mono); text-transform:uppercase; letter-spacing:0.5px;}
  .contact-row .value{font-size:14px; color:var(--text); font-weight:500; overflow-wrap:anywhere;}

  /* Responsive Fix: Allow the flex child containing text to shrink below its content size, enabling word wrap */
  .contact-row > div:not(.ic) {
    min-width: 0;
  }

  .form{display:flex; flex-direction:column; gap:14px;}
  .form input, .form textarea{
    background:var(--surface); border:1px solid var(--border); border-radius:7px; padding:13px 15px;
    color:var(--text); font-family:var(--sans); font-size:14px; resize:vertical;
    /* Responsive Fix: Ensure form elements do not exceed container width */
    width: 100%;
    max-width: 100%;
  }
  .form input:focus, .form textarea:focus{outline:none; border-color:var(--accent);}
  .form input:focus:invalid, .form textarea:focus:invalid {border-color: var(--amber);}
  .form label{font-family:var(--mono); font-size:11.5px; color:var(--muted); margin-bottom:-6px; text-transform:uppercase; letter-spacing:0.5px;}
  .form-status{font-family:var(--mono); font-size:12.5px; color:var(--accent); min-height:16px;}
  .btn-submit{justify-content:center;}
  .btn-submit:disabled{opacity:0.7; cursor:not-allowed; border-color:transparent;}

  footer{padding:32px 0; border-top:1px solid var(--border); text-align:center;}
  footer p{
    font-family:var(--mono); font-size:12px; color:var(--muted-2);
    /* Responsive Fix: Provide padding for mobile devices and allow text wrapping */
    padding: 0 20px;
    word-wrap: break-word;
  }

  /* focus visibility */
  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
    outline: none;
    box-shadow: 0 0 0 3px rgba(69, 214, 196, 0.4);
  }

  /* ---------- RESPONSIVE ---------- */
  /* Responsive Fix: Ensure all grid items can shrink to prevent layout blowouts */
  .hero-grid > *,
  .about-grid > *,
  .skills-grid > *,
  .proj-grid > *,
  .beyond-grid > *,
  .faq-list > *,
  .contact-grid > * {
    min-width: 0;
  }

  @media (max-width: 860px){
    nav.links{display:none;}
    nav.links.is-open{
      display:flex; flex-direction:column; position:absolute; top:100%; right:28px;
      background:var(--surface); border:1px solid var(--border); border-radius:8px;
      padding:14px 20px; gap:14px; box-shadow:0 18px 40px rgba(0,0,0,0.35);
    }
    .nav-toggle{display:inline-flex;}
    .hero-grid{grid-template-columns:1fr;}
    .about-grid, .contact-grid{grid-template-columns:1fr;}
    .skills-grid, .proj-grid, .faq-list{grid-template-columns:1fr;}
    .beyond-grid{grid-template-columns:repeat(2,1fr); }
  }

  @media (max-width: 560px){
    .wrap{padding:0 20px;}
    .nav-inner{padding:14px 20px;}
    nav.links.is-open{right:20px; left:20px;}
    .hero{padding:68px 0 64px;}
    section{padding:68px 0;}
    .term-body{font-size:12px;}
    .log-line{flex-direction:column; gap:4px;}
  }