*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --void:#07060d;--depth:#110f1f;--surface:#1a1831;
  --amber:#f59e0b;--amber-glow:#fbbf24;--amber-dim:rgba(245,158,11,.1);
  --text:#e8e6f0;--text-dim:#8b89a0;--text-muted:#807ea0;--border:#2a2845;
  --gradient:linear-gradient(135deg,#f59e0b,#f97316);
  --font-display:'Syne',sans-serif;
  --font-body:'DM Sans',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}
html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:var(--amber) var(--void)}
body{font-family:var(--font-body);background:var(--void);color:var(--text);overflow-x:hidden;line-height:1.7}
a{color:inherit;text-decoration:none}
::selection{background:var(--amber);color:var(--void)}

.skip-link{position:absolute;top:-40px;left:0;background:var(--amber);color:var(--void);padding:.6rem 1.2rem;z-index:2000;border-radius:0 0 8px 0;font-weight:600;font-size:.85rem;transition:top .2s ease}
.skip-link:focus{top:0}

a:focus-visible,button:focus-visible,.tab-btn:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}

.scroll-progress{position:fixed;top:0;left:0;height:2px;background:var(--gradient);z-index:1001;width:0}

/* NAV */
nav{position:fixed;top:0;width:100%;padding:1.2rem 2.5rem;display:flex;justify-content:space-between;align-items:center;z-index:1000;transition:all .4s ease}
nav.scrolled{background:rgba(7,6,13,.88);backdrop-filter:blur(24px);border-bottom:1px solid var(--border)}
.nav-logo{font-family:var(--font-mono);font-weight:600;font-size:1.1rem;color:var(--amber);letter-spacing:-.02em}
.nav-links{display:flex;gap:1.6rem;list-style:none}
.nav-links a{font-size:.82rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--text-dim);transition:color .3s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1.5px;background:var(--amber);transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a:hover,.nav-links a.active{color:var(--amber)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:1001;background:none;border:none}
.nav-toggle span{width:22px;height:2px;background:var(--text);transition:all .3s;display:block}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}
#particles-canvas{position:absolute;inset:0;z-index:0}
.hero-content{position:relative;z-index:1;text-align:center;padding:2rem;max-width:800px}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:.78rem;color:var(--amber);background:var(--amber-dim);border:1px solid rgba(245,158,11,.2);border-radius:100px;padding:.45rem 1.2rem;margin-bottom:2rem;opacity:0;transform:translateY(20px)}
.hero-badge .pulse{width:6px;height:6px;background:var(--amber);border-radius:50%;animation:pulse 2s ease infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(245,158,11,.4)}70%{box-shadow:0 0 0 8px rgba(245,158,11,0)}}
.hero-name{font-family:var(--font-display);font-size:clamp(1.8rem,9vw,3.5rem);font-weight:800;letter-spacing:-.04em;line-height:1.12;margin-bottom:.5rem}
.hero-name .name-line{display:block;white-space:nowrap}
.hero-name .char{display:inline-block;opacity:0;transform:translateY(60px) rotateX(-40deg)}
.hero-name .char.show{opacity:1;transform:translateY(0) rotateX(0);transition:all .6s cubic-bezier(.16,1,.3,1)}
.hero-name .fname{color:var(--text)}
.hero-name .lname{color:var(--amber)}
.hero-subtitle{font-size:1.05rem;color:var(--text-dim);margin-bottom:2rem;opacity:0;transform:translateY(15px)}

.code-block{font-family:var(--font-mono);font-size:clamp(.68rem,1.2vw,.85rem);background:rgba(17,15,31,.85);border:1px solid var(--border);border-radius:14px;padding:1.4rem 1.8rem;text-align:left;display:inline-block;margin-top:.5rem;opacity:0;transform:translateY(25px);max-width:520px;width:100%;backdrop-filter:blur(12px)}
.code-dots{display:flex;gap:6px;margin-bottom:1rem}
.code-dots span{width:10px;height:10px;border-radius:50%;display:block}
.code-dots span:nth-child(1){background:#ff5f56}
.code-dots span:nth-child(2){background:#ffbd2e}
.code-dots span:nth-child(3){background:#27c93f}
.code-line{min-height:1.5em;white-space:pre-wrap}
.kw{color:#c084fc}.str{color:#34d399}.punc{color:var(--text-muted)}.prop{color:#60a5fa}.bool{color:#fb923c}
.code-cursor{display:inline-block;width:2px;height:1.1em;background:var(--amber);animation:blink 1s step-end infinite;vertical-align:text-bottom;margin-left:1px}
@keyframes blink{50%{opacity:0}}

.hero-cta{display:flex;gap:1rem;justify-content:center;margin-top:2.5rem;opacity:0;transform:translateY(20px)}
.btn{font-family:var(--font-body);font-weight:600;font-size:.88rem;padding:.85rem 2rem;border-radius:10px;cursor:pointer;transition:all .35s ease;border:none;display:inline-flex;align-items:center;gap:.5rem}
.btn-primary{background:var(--gradient);color:var(--void);box-shadow:0 4px 20px rgba(245,158,11,.2)}
.btn-primary:hover{box-shadow:0 8px 35px rgba(245,158,11,.4);transform:translateY(-3px)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-3px)}

.scroll-hint{position:absolute;bottom:2.5rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem;opacity:0}
.scroll-hint.show{animation:fadeUp .6s forwards}
.scroll-hint span{font-size:.68rem;text-transform:uppercase;letter-spacing:.18em;color:var(--text-muted)}
.scroll-line{width:1px;height:36px;position:relative;overflow:hidden}
.scroll-line::after{content:'';position:absolute;top:-100%;left:0;width:100%;height:100%;background:var(--amber);animation:scrollDown 2s ease infinite}
@keyframes scrollDown{0%{top:-100%}50%{top:0}100%{top:100%}}
@keyframes fadeUp{to{opacity:1}}

/* SECTIONS */
section{padding:7rem 2.5rem}
.section-container{max-width:1100px;margin:0 auto}
.section-eyebrow{font-family:var(--font-mono);font-size:.72rem;color:var(--amber);text-transform:uppercase;letter-spacing:.2em;margin-bottom:.6rem}
.section-title{font-family:var(--font-display);font-size:clamp(1.7rem,4vw,2.6rem);font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem}
.section-title em{font-style:normal;color:var(--amber)}
.section-desc{color:var(--text-dim);max-width:580px;font-size:.95rem}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start;margin-top:3rem}
.about-text{font-size:1rem;color:var(--text-dim);line-height:1.85}
.about-text p+p{margin-top:1.2rem}
.about-text strong{color:var(--text);font-weight:600}
.about-highlights{display:flex;flex-direction:column;gap:.8rem;margin-top:1.5rem}
.highlight-item{display:flex;align-items:center;gap:.8rem;padding:.7rem 1rem;background:var(--depth);border:1px solid var(--border);border-radius:10px;font-size:.88rem;transition:all .4s ease}
.highlight-item:hover{border-color:var(--amber);transform:translateX(6px);box-shadow:0 4px 20px var(--amber-dim)}
.highlight-item .hi-icon{font-size:1.2rem;flex-shrink:0}
.highlight-item .hi-text{color:var(--text-dim)}
.highlight-item .hi-text strong{color:var(--text)}

.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.stat-card{background:var(--depth);border:1px solid var(--border);border-radius:14px;padding:1.5rem;text-align:center;transition:all .45s cubic-bezier(.16,1,.3,1)}
.stat-card:hover{border-color:var(--amber);transform:translateY(-6px);box-shadow:0 12px 40px var(--amber-dim)}
.stat-number{font-family:var(--font-display);font-size:2.2rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block}
.stat-suffix{font-family:var(--font-display);font-size:1.4rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:.75rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em;margin-top:.25rem}

/* EXPERTISE (new Skills section) */
.expertise-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:3rem}
.expertise-card{background:var(--depth);border:1px solid var(--border);border-radius:14px;padding:1.6rem;transition:all .45s cubic-bezier(.16,1,.3,1)}
.expertise-card:hover{border-color:var(--amber);transform:translateY(-4px);box-shadow:0 12px 40px var(--amber-dim)}
.expertise-card-title{font-family:var(--font-display);font-size:.95rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}
.expertise-card-title .ec-icon{font-size:1.1rem}
.expertise-tags{display:flex;flex-wrap:wrap;gap:.4rem}
.expertise-tag{font-size:.72rem;padding:.3rem .7rem;background:rgba(245,158,11,.06);border:1px solid rgba(245,158,11,.12);border-radius:6px;color:var(--text-dim);font-weight:500;transition:all .3s}
.expertise-tag:hover{border-color:var(--amber);color:var(--amber);background:var(--amber-dim)}

/* TECH STACK */
.skills-categories{display:flex;flex-direction:column;gap:2.5rem;margin-top:3rem}
.skill-category-title{font-family:var(--font-display);font-size:1rem;font-weight:600;color:var(--text);margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}
.skill-category-title .cat-icon{font-size:1.1rem}
.skills-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:.7rem}
.skill-card{background:var(--depth);border:1px solid var(--border);border-radius:10px;padding:1rem .6rem;text-align:center;transition:all .45s cubic-bezier(.16,1,.3,1);cursor:default}
.skill-card:hover{border-color:var(--amber);transform:translateY(-6px) scale(1.04);box-shadow:0 12px 40px var(--amber-dim)}
.skill-icon{font-size:1.6rem;margin-bottom:.3rem;display:block}
.skill-name{font-size:.72rem;font-weight:600;letter-spacing:.02em;color:var(--text-dim)}
.skill-card:hover .skill-name{color:var(--text)}

/* PROJECTS */
.projects-tabs{display:flex;gap:.6rem;margin-top:2rem;margin-bottom:1.5rem;flex-wrap:wrap}
.tab-btn{font-family:var(--font-body);font-size:.8rem;font-weight:600;padding:.5rem 1.2rem;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .3s}
.tab-btn.active,.tab-btn:hover{border-color:var(--amber);color:var(--amber);background:var(--amber-dim)}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}
.projects-grid[hidden]{display:none}
.project-card{background:var(--depth);border:1px solid var(--border);border-radius:14px;padding:1.8rem;transition:all .5s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}
.project-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient);opacity:0;transition:opacity .4s}
.project-card:hover{border-color:var(--amber);transform:translateY(-8px);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.project-card:hover::before{opacity:1}
.project-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.8rem}
.project-icon{font-size:1.4rem}
.project-links a{color:var(--text-muted);transition:color .3s;display:flex;align-items:center}
.project-links a:hover{color:var(--amber)}
.project-name{font-family:var(--font-display);font-size:1.05rem;font-weight:700;margin-bottom:.5rem}
.project-desc{font-size:.83rem;color:var(--text-dim);line-height:1.65;margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.project-meta{display:flex;gap:.5rem;flex-wrap:wrap}
.project-tag{font-size:.68rem;padding:.22rem .55rem;background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.15);border-radius:5px;color:var(--amber);font-weight:500}
.project-lang{display:flex;align-items:center;gap:.3rem;font-size:.72rem;color:var(--text-dim)}
.lang-dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.project-stat{display:flex;align-items:center;gap:.2rem;font-size:.72rem;color:var(--text-dim)}
.project-dates{font-family:var(--font-mono);font-size:.7rem;color:var(--text-muted);margin-top:.2rem}
.project-card .case-study-link{display:inline-flex;margin-top:.9rem}

/* SECTION-END CTA (e.g. "View All Projects") */
.section-cta{text-align:center;margin-top:2.5rem}
.projects-loading{text-align:center;padding:3rem;color:var(--text-dim);font-family:var(--font-mono);font-size:.82rem}
.spinner{width:28px;height:28px;border:2px solid var(--border);border-top-color:var(--amber);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}
@keyframes spin{to{transform:rotate(360deg)}}

/* CONTACT */
.contact-section{text-align:center;padding:8rem 2.5rem}
.contact-section .section-desc{margin-left:auto;margin-right:auto;margin-bottom:2.5rem}
.contact-links{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.contact-link{display:flex;align-items:center;gap:.6rem;padding:.8rem 1.5rem;background:var(--depth);border:1px solid var(--border);border-radius:10px;font-weight:500;font-size:.88rem;transition:all .4s cubic-bezier(.16,1,.3,1)}
.contact-link:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-4px);box-shadow:0 10px 30px var(--amber-dim)}
.contact-link svg{width:18px;height:18px;flex-shrink:0}
.copy-toast{position:absolute;top:-32px;left:50%;transform:translateX(-50%) translateY(8px);background:var(--amber);color:var(--void);font-size:.72rem;font-weight:700;padding:.3rem .8rem;border-radius:6px;opacity:0;pointer-events:none;transition:all .3s ease;white-space:nowrap}
.copy-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

footer{text-align:center;padding:2rem;border-top:1px solid var(--border);font-size:.75rem;color:var(--text-muted)}
footer strong{color:var(--amber);font-weight:600}

.reveal{opacity:0;transform:translateY(35px);transition:all .8s cubic-bezier(.16,1,.3,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}.reveal-d3{transition-delay:.3s}.reveal-d4{transition-delay:.4s}.reveal-d5{transition-delay:.5s}

/* NAV RESUME BUTTON */
.nav-resume-btn{font-family:var(--font-body);font-size:.8rem;font-weight:600;color:var(--void);background:var(--gradient);padding:.5rem 1.1rem;border-radius:8px;margin-left:1.5rem;transition:all .3s ease;white-space:nowrap}
.nav-resume-btn:hover{box-shadow:0 4px 20px rgba(245,158,11,.35);transform:translateY(-2px)}

/* GRADUATION PROJECT SPOTLIGHT */
.spotlight-card{display:flex;flex-direction:column;gap:1.2rem;background:var(--depth);border:1px solid rgba(245,158,11,.3);border-radius:18px;padding:2.5rem;position:relative;overflow:hidden}
.spotlight-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient)}
.spotlight-badge{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-mono);font-size:.72rem;font-weight:600;color:var(--amber);background:var(--amber-dim);border:1px solid rgba(245,158,11,.25);border-radius:100px;padding:.4rem 1rem;width:fit-content;text-transform:uppercase;letter-spacing:.08em}
.spotlight-name{font-family:var(--font-display);font-size:clamp(1.4rem,3vw,1.9rem);font-weight:700}
.spotlight-tagline{color:var(--text-dim);font-size:1rem;max-width:640px}
.spotlight-results{display:flex;gap:.6rem;flex-wrap:wrap}
.spotlight-result{font-family:var(--font-mono);font-size:.78rem;color:var(--amber);background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.15);border-radius:6px;padding:.35rem .8rem}
.spotlight-tags{display:flex;gap:.4rem;flex-wrap:wrap}
.spotlight-cta{margin-top:.5rem;width:fit-content}

/* EXPERIENCE */
.experience-list{display:flex;flex-direction:column;gap:1.2rem;margin-top:3rem}
.experience-card{background:var(--depth);border:1px solid var(--border);border-radius:14px;padding:1.8rem 2rem;transition:all .4s ease}
.experience-card:hover{border-color:var(--amber);box-shadow:0 12px 40px var(--amber-dim)}
.experience-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:.5rem;margin-bottom:.6rem}
.experience-title{font-family:var(--font-display);font-size:1.05rem;font-weight:700;margin:0}
.experience-title span{color:var(--amber)}
.experience-dates{font-family:var(--font-mono);font-size:.78rem;color:var(--text-muted);white-space:nowrap}
.experience-desc{color:var(--text-dim);font-size:.92rem;line-height:1.7}

/* CERTIFICATIONS */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:3rem}
.cert-card{background:var(--depth);border:1px solid var(--border);border-radius:14px;padding:1.6rem;transition:all .45s cubic-bezier(.16,1,.3,1)}
.cert-card:hover{border-color:var(--amber);transform:translateY(-6px);box-shadow:0 12px 40px var(--amber-dim)}
.cert-icon{font-size:1.6rem;margin-bottom:.8rem;display:block}
.cert-name{font-family:var(--font-display);font-size:1rem;font-weight:700;margin-bottom:.4rem}
.cert-issuer{color:var(--text-dim);font-size:.85rem;margin-bottom:.8rem}
.cert-meta{display:flex;justify-content:space-between;align-items:center;gap:.6rem}
.cert-year{font-family:var(--font-mono);font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}
.cert-verify{font-size:.78rem;font-weight:600;color:var(--amber)}
.cert-verify:hover{text-decoration:underline}

/* CASE STUDIES */
.case-studies-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:3rem}
.case-study-card{display:flex;flex-direction:column;gap:.8rem;background:var(--depth);border:1px solid var(--border);border-radius:14px;padding:1.8rem;transition:all .5s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden}
.case-study-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient);opacity:0;transition:opacity .4s}
.case-study-card:hover{border-color:var(--amber);transform:translateY(-8px);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.case-study-card:hover::before{opacity:1}
.case-study-grad-badge{font-family:var(--font-mono);font-size:.68rem;font-weight:600;color:var(--amber);text-transform:uppercase;letter-spacing:.08em;width:fit-content}
.case-study-name{font-family:var(--font-display);font-size:1.05rem;font-weight:700}
.case-study-tagline{font-size:.85rem;color:var(--text-dim);line-height:1.6}
.case-study-tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.2rem}
.case-study-link{margin-top:auto;font-size:.85rem;font-weight:600;color:var(--amber);display:inline-flex;align-items:center;gap:.3rem}
.case-study-link:hover{text-decoration:underline}

@media(max-width:880px){
  nav{padding:1rem 1.5rem}
  .nav-links{position:fixed;top:0;right:-100%;width:72%;height:100vh;background:rgba(17,15,31,.97);backdrop-filter:blur(20px);flex-direction:column;justify-content:center;align-items:center;gap:2rem;transition:right .4s ease;border-left:1px solid var(--border)}
  .nav-links.open{right:0}
  .nav-toggle{display:flex}
  .about-grid{grid-template-columns:1fr;gap:2.5rem}
  .expertise-grid{grid-template-columns:1fr}
  .skills-row{grid-template-columns:repeat(auto-fill,minmax(85px,1fr))}
  .projects-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:center}
  .code-block{padding:1rem 1.2rem}
  .contact-links{flex-direction:column;align-items:center}
  section{padding:4.5rem 1.2rem}
  .contact-section{padding:5rem 1.2rem}
  .nav-resume-btn{margin-left:auto;margin-right:.8rem;padding:.4rem .8rem;font-size:.72rem}
  .spotlight-card{padding:1.6rem}
  .case-studies-grid,.cert-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .hero-name .char{opacity:1!important;transform:none!important}
  .reveal{opacity:1;transform:none}
}