/* Root & Reset */
:root {
  --bg: #06070a;
  --bg-alt: #0d1016;
  --bg-glass: rgba(255,255,255,0.04);
  --text: #f5f7fa;
  --text-dim: #9da5b4;
  --accent: #6366f1;
  --accent-glow: 187 100% 60%;
  --danger: #ef4444;
  --warn: #f59e0b;
  --ok: #10b981;
  --gradient: linear-gradient(135deg,#6366f1 0%,#8b5cf6 40%,#ec4899 80%,#fbbf24 100%);
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 4px -1px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.4);
  --shadow: 0 8px 24px -4px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 0 1px rgba(99,102,241,0.4),0 0 40px -10px rgba(99,102,241,0.6);
  --max-width: 1220px;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Fira Sans', 'Droid Sans', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }
*::selection { background: #6366f1; color: #fff; }
html,body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(circle at 30% 30%, #141927, #06070a 60%) fixed;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::-webkit-scrollbar { width: 12px; }
body::-webkit-scrollbar-track { background: #0a0d12; }
body::-webkit-scrollbar-thumb { background: #1e2533; border-radius: 20px; border: 2px solid #0a0d12; }
body::-webkit-scrollbar-thumb:hover { background: #2d3748; }

canvas#bg-canvas {
  position: fixed; inset:0; width:100%; height:100%; z-index:-2;
  background: #06070a;
}

.site-header {
  position: fixed; top:0; left:0; right:0;
  display:flex; align-items:center; justify-content:space-between;
  padding: 0.75rem 2rem; z-index: 50;
  backdrop-filter: blur(10px) saturate(160%);
  background: linear-gradient(90deg, rgba(10,14,20,0.85), rgba(10,14,20,0.55));
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.logo { font-weight:600; display:flex; align-items:center; gap:.5rem; letter-spacing:.5px; font-size:1.05rem; }
.logo .logo-mark { background:var(--gradient); -webkit-background-clip:text; background-clip:text; color:transparent; font-weight:800; font-size:1.15rem; }
.logo .accent { color: var(--accent); }

nav.main-nav { display:flex; align-items:center; gap:2.2rem; }
nav.main-nav ul { list-style:none; display:flex; gap:1.6rem; margin:0; padding:0; }
nav.main-nav a { color: var(--text-dim); text-decoration:none; font-size:.9rem; font-weight:500; letter-spacing:.5px; position:relative; transition:color .3s;
  padding:.25rem .4rem;
}
nav.main-nav a::after { content:""; position:absolute; left:0; bottom:0; height:2px; width:0; background:var(--gradient); border-radius:4px; transition:width .35s cubic-bezier(.65,.05,.36,1); }
nav.main-nav a:hover, nav.main-nav a:focus { color:var(--text); }
nav.main-nav a:hover::after, nav.main-nav a:focus::after { width:100%; }

.nav-toggle { display:none; flex-direction:column; gap:4px; background:none; border:none; cursor:pointer; }
.nav-toggle span { width:26px; height:2px; background:var(--text); display:block; transition:.4s; }

.resume-btn { background:var(--gradient); color:#fff; text-decoration:none; padding:.65rem 1.1rem; font-size:.8rem; font-weight:600; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); position:relative; overflow:hidden; }
.resume-btn::before { content:""; position:absolute; inset:0; background:linear-gradient(120deg,#fff5,#fff0 30%); mix-blend-mode:overlay; opacity:0; transition:opacity .35s; }
.resume-btn:hover::before { opacity:1; }
.resume-btn:hover { transform: translateY(-2px); }

.section { position:relative; padding: clamp(4rem, 10vh, 7rem) 2rem 5rem; max-width: var(--max-width); margin: 0 auto; }
.section-header { text-align:center; margin-bottom:3.5rem; }
.section-header h2 { font-size: clamp(2.1rem, 6vw, 3.4rem); margin:0; letter-spacing:-1px; background:linear-gradient(90deg,#fff,#9da5b4); -webkit-background-clip:text; background-clip:text; color:transparent; }
.section-subtitle { color: var(--text-dim); max-width: 680px; margin: .85rem auto 0; line-height:1.5; }

.hero { min-height: 100vh; display:flex; align-items:center; justify-content:center; position:relative; text-align:center; padding: 0 2rem; }
.hero-inner { max-width: 960px; }
.intro-chip { display:inline-block; background:rgba(255,255,255,.06); padding:.55rem 1rem; border-radius: 100px; font-size:.75rem; letter-spacing:1px; text-transform:uppercase; font-weight:600; backdrop-filter: blur(6px); border:1px solid rgba(255,255,255,0.08); }
.hero h1 { font-size: clamp(2.8rem, 9vw, 5.4rem); margin:.75rem 0 1rem; font-weight:800; line-height:1.05; position:relative; }
.hero h1.glitch::before, .hero h1.glitch::after { content: attr(data-text); position:absolute; left:0; top:0; width:100%; animation: glitch 4s infinite linear; mix-blend-mode:screen; opacity:0.15; }
.hero h1.glitch::before { color:#6366f1; }
.hero h1.glitch::after { color:#ec4899; animation-delay:1s; }
@keyframes glitch { 0%,5%,95%,100% { transform:translate(0,0); } 10% { transform:translate(-2px,1px); } 15% { transform:translate(1px,-1px); } 20% { transform:translate(-1px,2px); } 25% { transform:translate(2px,-2px); } 30% { transform:translate(-2px,1px); } 35% { transform:translate(1px,-1px); } 40% { transform:translate(-1px,2px); } 45% { transform:translate(2px,-2px); } 50% { transform:translate(0,0); } }
.subtitle { font-size: clamp(1.05rem, 2.4vw, 1.35rem); margin:0 auto 2rem; color:var(--text-dim); line-height:1.55; }
.hero-actions { display:flex; gap:1rem; justify-content:center; }
.btn { --btn-bg: var(--bg-glass); --btn-color: var(--text); background: var(--btn-bg); color: var(--btn-color); padding: .9rem 1.35rem; text-decoration:none; font-weight:600; font-size:.85rem; border-radius: var(--radius-sm); border:1px solid rgba(255,255,255,0.08); position:relative; overflow:hidden; letter-spacing:.5px; cursor:pointer; display:inline-flex; align-items:center; gap:.5rem; backdrop-filter: blur(8px); }
.btn.primary { background: var(--gradient); border:none; }
.btn.ghost { background: rgba(255,255,255,0.06); }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn.wide { width:100%; justify-content:center; }

.scroll-indicator { position:absolute; left:50%; transform:translateX(-50%); bottom:1.5rem; display:flex; align-items:center; flex-direction:column; font-size:.65rem; letter-spacing:1.5px; font-weight:600; color:var(--text-dim); text-transform:uppercase; }
.scroll-indicator .mouse { margin-top:.75rem; width:26px; height:40px; border:2px solid var(--text-dim); border-radius:16px; position:relative; }
.scroll-indicator .mouse .wheel { width:4px; height:8px; border-radius:2px; background:var(--text-dim); position:absolute; left:50%; top:8px; transform:translateX(-50%); animation: wheel 2s infinite; }
@keyframes wheel { 0% { opacity:0; transform:translate(-50%,0); } 10% { opacity:1; } 70% { opacity:1; } 100% { opacity:0; transform:translate(-50%,10px); } }

.about-grid { display:grid; gap:1.8rem; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); }
.about-card { background: linear-gradient(165deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)); padding:1.4rem 1.5rem 1.55rem; border-radius: var(--radius); position:relative; overflow:hidden; border:1px solid rgba(255,255,255,0.07); box-shadow:0 4px 14px -6px rgba(0,0,0,0.5); backdrop-filter: blur(12px) saturate(160%); }
.about-card::before { content:""; position:absolute; inset:0; background:linear-gradient(120deg, rgba(99,102,241,0.15), transparent 40%); mix-blend-mode:overlay; opacity:0; transition:opacity .5s; }
.about-card:hover::before { opacity:1; }
.about-card h3 { margin:0 0 .75rem; font-size:1.05rem; letter-spacing:.5px; }
.about-card p { margin:0; line-height:1.55; font-size:.9rem; color:var(--text-dim); }

.pill-list { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:.55rem; }
.pill-list li { background:rgba(255,255,255,0.08); padding:.5rem .75rem; font-size:.65rem; letter-spacing:1px; text-transform:uppercase; font-weight:600; border-radius: 100px; color:var(--text-dim); position:relative; }
.pill-list.small li { font-size:.6rem; }
.pill-list.tiny li { font-size:.55rem; padding:.4rem .6rem; }

.skills-cloud { position:relative; height: 260px; perspective: 800px; margin-bottom: 3rem; }
.skills-cloud .tag { position:absolute; top:50%; left:50%; transform-style: preserve-3d; padding:.55rem .9rem; font-size:.75rem; font-weight:600; background:rgba(255,255,255,.07); border-radius: 100px; cursor:default; box-shadow:0 4px 12px -4px rgba(0,0,0,0.6); backdrop-filter: blur(4px); white-space:nowrap; }
.skills-cloud .tag:hover { background:var(--gradient); color:#fff; }

.project-filters { display:flex; gap:.75rem; flex-wrap:wrap; justify-content:center; margin-bottom:2.5rem; }
.filter-btn { background:rgba(255,255,255,0.07); color:var(--text-dim); border:none; padding:.6rem 1rem; font-size:.65rem; font-weight:600; letter-spacing:1px; text-transform:uppercase; border-radius: 100px; cursor:pointer; position:relative; overflow:hidden; transition:.35s; }
.filter-btn.active, .filter-btn:hover { background:var(--gradient); color:#fff; }

.projects-grid { display:grid; gap:1.6rem; grid-template-columns: repeat(auto-fill,minmax(300px,1fr)); }
.project-card { position:relative; background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.025)); border:1px solid rgba(255,255,255,0.07); border-radius: var(--radius); padding:1.2rem 1.25rem 1.35rem; display:flex; flex-direction:column; gap:.9rem; overflow:hidden; cursor:pointer; min-height:260px; }
.project-card::before { content:""; position:absolute; inset:0; background:linear-gradient(130deg, rgba(99,102,241,0.25), transparent 45%); mix-blend-mode:overlay; opacity:0; transition:.45s; }
.project-card:hover::before { opacity:1; }
.project-card h3 { margin:0; font-size:1.05rem; letter-spacing:.5px; }
.project-card p { margin:0; font-size:.8rem; line-height:1.4; color:var(--text-dim); }
.project-card .tags { margin-top:auto; display:flex; flex-wrap:wrap; gap:.4rem; }
.project-card .tags span { background:rgba(255,255,255,0.08); padding:.35rem .6rem; font-size:.55rem; text-transform:uppercase; letter-spacing:1px; font-weight:600; border-radius: 100px; }
.project-card .links { display:flex; gap:.6rem; margin-top:.6rem; }
.project-card a.inline-btn { font-size:.65rem; text-decoration:none; font-weight:600; letter-spacing:.5px; background:rgba(255,255,255,.08); padding:.45rem .7rem; border-radius:8px; color:var(--text-dim); transition:.3s; }
.project-card a.inline-btn:hover { background:var(--gradient); color:#fff; }

.timeline { position:relative; margin:0 auto; max-width:860px; padding-left:1rem; }
.timeline::before { content:""; position:absolute; left:0.5rem; top:0; bottom:0; width:2px; background:linear-gradient(var(--accent), transparent); }
.timeline-item { position:relative; margin: 0 0 2.4rem 2rem; padding:1rem 1.2rem 1.1rem; background: linear-gradient(165deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)); border:1px solid rgba(255,255,255,0.08); border-radius: var(--radius); backdrop-filter: blur(10px); box-shadow:0 4px 14px -6px rgba(0,0,0,0.5); }
.timeline-item::before { content:""; position:absolute; left:-2.15rem; top:1.2rem; width:14px; height:14px; border-radius:50%; background:var(--gradient); box-shadow:0 0 0 4px rgba(99,102,241,0.15); }
.timeline-item h3 { margin:.1rem 0 .35rem; font-size:1rem; }
.timeline-item .meta { font-size:.65rem; letter-spacing:1px; text-transform:uppercase; color:var(--text-dim); font-weight:600; margin-bottom:.65rem; display:flex; gap:.75rem; flex-wrap:wrap; }
.timeline-item p { margin:0; font-size:.8rem; line-height:1.45; color:var(--text-dim); }

.articles-grid { display:grid; gap:1.6rem; grid-template-columns: repeat(auto-fill,minmax(320px,1fr)); }
.article-card { position:relative; background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.025)); border:1px solid rgba(255,255,255,0.07); border-radius: var(--radius); padding:1.2rem 1.25rem 1.5rem; display:flex; flex-direction:column; gap:.9rem; overflow:hidden; }
.article-card::before { content:""; position:absolute; inset:0; background:linear-gradient(130deg, rgba(99,102,241,0.25), transparent 50%); mix-blend-mode:overlay; opacity:0; transition:.45s; }
.article-card:hover::before { opacity:1; }
.article-card h3 { margin:0; font-size:1rem; letter-spacing:.5px; }
.article-card p { margin:0; font-size:.8rem; line-height:1.4; color:var(--text-dim); }
.article-card a.inline-btn { align-self:flex-start; }

.contact-form { max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:1.4rem; }
.form-row { display:flex; gap:1rem; flex-wrap:wrap; }
.form-group { flex:1; min-width:240px; display:flex; flex-direction:column; gap:.4rem; }
.form-group label { font-size:.7rem; font-weight:600; letter-spacing:1px; text-transform:uppercase; color:var(--text-dim); }
.form-group input, .form-group textarea { background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.1); border-radius: var(--radius-sm); padding:.85rem 1rem; font:inherit; font-size:.85rem; color:var(--text); resize:vertical; box-shadow:0 3px 8px -4px rgba(0,0,0,0.5); transition:.3s; }
.form-group input:focus, .form-group textarea:focus { outline:none; border-color:var(--accent); box-shadow: var(--shadow-glow); }
.error { color:var(--danger); font-size:.65rem; min-height:1em; }
.form-status { font-size:.75rem; text-align:center; margin-top: .25rem; }

.site-footer { padding:4rem 2rem 3rem; background:#05060a; margin-top:4rem; font-size:.8rem; border-top:1px solid rgba(255,255,255,0.05); position:relative; }
.footer-grid { max-width: var(--max-width); margin:0 auto; display:grid; gap:2.2rem; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); }
.site-footer h4 { margin:0 0 .75rem; letter-spacing:.5px; font-size:.8rem; text-transform:uppercase; color:var(--text-dim); }
.social-list, .link-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.6rem; }
.social-list a, .link-list a { color:var(--text-dim); text-decoration:none; font-weight:500; font-size:.75rem; letter-spacing:.5px; }
.social-list a:hover, .link-list a:hover { color:var(--text); }
.tagline { color:var(--text-dim); line-height:1.5; }
.site-footer .logo.small { font-size:.95rem; }

.back-to-top { position:fixed; right:1.5rem; bottom:1.5rem; width:42px; height:42px; border-radius:50%; background:rgba(255,255,255,0.07); display:flex; align-items:center; justify-content:center; font-size:1rem; cursor:pointer; border:1px solid rgba(255,255,255,0.08); backdrop-filter: blur(8px); transform:translateY(80px); opacity:0; transition:.4s; z-index:60; }
.back-to-top.visible { transform:translateY(0); opacity:1; }
.back-to-top:hover { background:var(--gradient); color:#fff; }

/* Animations */
[data-animate] { opacity:0; transform: translateY(20px); will-change: opacity, transform; }
[data-animate].in-view { opacity:1; transform: none; transition: .9s cubic-bezier(.16,.84,.44,1); }
[data-animate="fade-in"] { transform: translateY(10px); }
[data-animate="section-title"] { transform: translateY(40px); }
[data-animate][data-delay] { transition-delay: calc(var(--delay,0) * 1s); }

/* Media Queries */
@media (max-width: 940px) {
  nav.main-nav ul { position:fixed; top:64px; right:1.2rem; background:#0b0e14; flex-direction:column; padding:1.2rem 1.4rem; border-radius: var(--radius); border:1px solid rgba(255,255,255,0.07); box-shadow:0 10px 30px -10px rgba(0,0,0,0.6); transform: translateY(-10px) scale(.95); opacity:0; pointer-events:none; transition:.4s; width:210px; }
  nav.main-nav ul.open { opacity:1; transform:none; pointer-events:auto; }
  .nav-toggle { display:flex; }
  nav.main-nav { gap:1.2rem; }
}

@media (max-width:620px) {
  .hero-actions { flex-direction:column; }
  .subtitle { font-size:1rem; }
  .skills-cloud { height: 360px; }
}

/* 3D depth layering (for parallax) */
[data-depth] { position:relative; }

/* Accessibility focus outlines */
:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }

.fun-controls { margin-top:1.4rem; display:flex; gap:.75rem; flex-wrap:wrap; justify-content:center; }
.fun-controls .btn { font-size:.7rem; }
.insta-btn { position:relative; }
.insta-btn::after { content:''; position:absolute; inset:0; background:radial-gradient(circle at 30% 30%,rgba(255,255,255,0.15),transparent); opacity:0; transition:.4s; }
.insta-btn:hover::after { opacity:1; }
.contact-meta { display:flex; flex-direction:column; gap:.35rem; font-size:.7rem; margin:.25rem 0 0.75rem; color:var(--text-dim); }
.contact-meta a { color:var(--accent); text-decoration:none; }
.contact-meta a:hover { text-decoration:underline; }
#fx-canvas { position:fixed; inset:0; pointer-events:none; z-index:5; }
.type-cursor { display:inline-block; width:1ch; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity:0; } }
.chaos-shake { animation: chaos 0.4s linear infinite; }
@keyframes chaos { 0% { transform:translate(0,0) rotate(0deg); } 25% { transform:translate(2px,-2px) rotate(1deg);} 50% { transform:translate(-2px,1px) rotate(-1deg);} 75% { transform:translate(3px,2px) rotate(1deg);} 100% { transform:translate(0,0) rotate(0deg);} }