:root {
    --bg:#0d0d0f;--bg2:#111114;--card:#161619;--border:#222228;
    --text:#c8c8d0;--dim:#7a7a88;--white:#f2f2f5;
    --accent:#c8ff32;--accent2:#a3d429;
    --red:#e84855;--blue:#5b8def;--yellow:#f0c040;--green:#44cc77;
    --font:'Outfit',sans-serif;--mono:'JetBrains Mono',monospace;
    --max:1100px;--r:14px;--rs:8px;--ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}a{color:inherit;text-decoration:none}ul{list-style:none}
.container{max-width:var(--max);margin:0 auto;padding:0 24px}

/* NAV */
header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(13,13,15,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
nav{max-width:var(--max);margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:36px}
.logo{font-family:var(--mono);font-size:24px;font-weight:700;color:var(--white);letter-spacing:-1px}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:28px;margin-left:auto}
.nav-links a{font-size:14px;font-weight:500;color:var(--dim);transition:color .25s}
.nav-links a:hover,.nav-links a.active{color:var(--white)}
.hire-btn{margin-left:16px;padding:9px 22px;font-size:13px;font-weight:600;border:1.5px solid var(--accent);border-radius:100px;color:var(--accent);transition:.25s var(--ease)}
.hire-btn:hover{background:var(--accent);color:var(--bg)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;margin-left:auto}
.hamburger span{width:22px;height:2px;background:var(--white);border-radius:2px;transition:.3s}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;gap:60px;max-width:var(--max);margin:0 auto;padding:100px 24px 60px}
.hero-left{flex:1;max-width:540px}
.hero-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--dim);margin-bottom:18px;display:flex;align-items:center;gap:8px}
.hero-label::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}
.hero h1{font-size:clamp(3rem,7vw,5rem);font-weight:900;line-height:1.02;letter-spacing:-0.04em;margin-bottom:22px;color:var(--white)}
.highlight{color:var(--accent)}
.highlight-italic{color:var(--accent);font-style:italic}
.hero-desc{font-size:15px;color:var(--dim);line-height:1.75;margin-bottom:28px}
.hero-desc strong{color:var(--text)}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}
.btn-primary{display:inline-flex;align-items:center;padding:13px 28px;background:var(--accent);color:var(--bg);font-weight:600;font-size:14px;border-radius:100px;border:none;cursor:pointer;font-family:var(--font);transition:.3s var(--ease)}
.btn-primary:hover{box-shadow:0 0 28px rgba(200,255,50,.3);transform:translateY(-2px)}
.btn-ghost{display:inline-flex;align-items:center;padding:13px 28px;border:1.5px solid var(--border);color:var(--text);font-weight:600;font-size:14px;border-radius:100px;transition:.3s var(--ease)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.hero-links{display:flex;gap:20px;font-size:12px;color:var(--dim);font-family:var(--mono)}
.hero-right{flex-shrink:0}
.hero-portrait{width:300px;position:relative;border-radius:var(--r);overflow:hidden;border:2px solid var(--border);box-shadow:0 24px 60px rgba(0,0,0,.4)}
.hero-portrait img{width:100%;display:block}
.portrait-label{position:absolute;top:12px;right:12px;font-family:var(--mono);font-size:10px;padding:4px 10px;background:rgba(13,13,15,.7);backdrop-filter:blur(6px);border-radius:6px;color:var(--text)}
.portrait-grad{position:absolute;bottom:12px;right:12px;font-family:var(--mono);font-size:10px;padding:4px 10px;background:var(--accent);color:var(--bg);border-radius:6px;font-weight:600}

/* SECTION COMMON */
.section-num{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:2px;color:var(--accent);margin-bottom:12px}
.big-heading{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.1;letter-spacing:-0.03em;color:var(--white);margin-bottom:40px}
.section-fade{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.section-fade.visible{opacity:1;transform:translateY(0)}

/* ABOUT */
.about{padding:100px 0;background:var(--bg2)}
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-bottom:60px}
.about-para{font-size:15px;color:var(--dim);margin-bottom:16px;line-height:1.75;max-width:480px}
.about-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:24px;margin-bottom:16px}
.about-card-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--dim);margin-bottom:18px}
.edu-item{display:flex;gap:14px;margin-bottom:18px}
.edu-item:last-child{margin-bottom:0}
.edu-badge{width:44px;height:44px;border-radius:10px;background:rgba(200,255,50,.12);color:var(--accent);font-family:var(--mono);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.edu-item h4{font-size:15px;font-weight:600;color:var(--white);margin-bottom:2px}
.edu-sub{font-size:13px;color:var(--accent)}
.edu-date{font-family:var(--mono);font-size:11px;color:var(--dim);margin:4px 0 8px}
.edu-courses{font-size:12px;color:var(--dim);line-height:1.6}
.tech-chips{display:flex;flex-wrap:wrap;gap:8px}
.tech-chip{font-size:12px;padding:6px 14px;border:1px solid var(--border);border-radius:100px;color:var(--text);transition:.2s}
.tech-chip:hover{border-color:var(--accent);color:var(--accent)}
.about-stats{display:flex;gap:48px;padding-top:40px;border-top:1px solid var(--border)}
.astat strong{display:block;font-size:clamp(2rem,4vw,3rem);font-weight:800;font-family:var(--mono);color:var(--accent)}
.astat span{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:1px}

/* EXPERIENCE */
.experience{padding:100px 0}
.exp-timeline{position:relative}
.exp-timeline::before{content:'';position:absolute;left:228px;top:0;bottom:0;width:2px;background:var(--border)}
.exp-row{display:flex;align-items:flex-start;gap:0;margin-bottom:36px;opacity:0;transform:translateY(24px);transition:opacity .5s ease,transform .5s ease}
.exp-row.exp-visible{opacity:1;transform:translateY(0)}
.exp-meta{width:210px;flex-shrink:0;text-align:right;padding-right:20px;padding-top:24px}
.exp-period{display:block;font-family:var(--mono);font-size:12px;color:var(--dim);margin-bottom:8px}
.exp-badge{display:inline-block;font-size:10px;font-weight:700;padding:4px 12px;border-radius:100px;border:1px solid var(--border);color:var(--dim);text-transform:uppercase;letter-spacing:.5px}
.exp-badge--current{background:var(--accent);color:var(--bg);border-color:var(--accent)}
.exp-dot{width:14px;height:14px;border-radius:50%;border:3px solid var(--accent);background:var(--bg);flex-shrink:0;margin-top:28px;position:relative;z-index:2}
.exp-card{flex:1;background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:28px;margin-left:20px;transition:.3s var(--ease)}
.exp-card:hover{border-color:rgba(200,255,50,.3)}
.exp-card-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.exp-card-head h3{font-size:17px;font-weight:600;color:var(--white)}
.exp-type{font-size:12px;font-weight:400;color:var(--dim);margin-left:8px}
.exp-company{font-size:13px;color:var(--dim);margin-top:3px}
.exp-co-name{color:var(--accent)}
.exp-logo{width:48px;height:48px;object-fit:contain;border-radius:8px;flex-shrink:0}
.exp-points li{position:relative;padding-left:16px;font-size:13px;color:var(--dim);margin-bottom:8px;line-height:1.65}
.exp-points li::before{content:'–';position:absolute;left:0;color:var(--dim)}

/* PROJECTS */
.projects{padding:100px 0;background:var(--bg2)}
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.proj-card--large{grid-column:1;grid-row:1/3}
.proj-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;transition:.35s var(--ease);display:flex;flex-direction:column}
.proj-card:hover{border-color:rgba(200,255,50,.4);transform:translateY(-5px)}
.proj-card--wip{border-color:rgba(200,255,50,.25)}
.proj-img{position:relative;overflow:hidden}
.proj-card--large .proj-img{height:320px}
.proj-card:not(.proj-card--large) .proj-img{height:200px}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.proj-card:hover .proj-img img{transform:scale(1.06)}
.proj-img--placeholder{background:linear-gradient(135deg,#131320,#1a1a2e);display:flex;align-items:center;justify-content:center}
.proj-placeholder-inner{display:flex;flex-direction:column;align-items:center;gap:8px;z-index:1}
.ph-icon{font-size:44px}.ph-text{font-family:var(--mono);font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:1px}
.proj-chips{position:absolute;bottom:12px;left:12px;display:flex;gap:5px;flex-wrap:wrap}
.chip-img{font-size:11px;font-weight:600;padding:4px 10px;border-radius:6px;background:rgba(13,13,15,.7);backdrop-filter:blur(8px);color:var(--white)}
.proj-body{padding:22px;flex:1}
.proj-body h3{font-size:17px;font-weight:600;margin-bottom:8px;color:var(--white)}
.proj-body p{font-size:14px;color:var(--dim);line-height:1.7}
.proj-body strong{color:var(--accent)}
.proj-date{font-family:var(--mono);font-size:11px;color:var(--dim);margin-bottom:6px}
.badge-wip{display:inline-block;font-size:10px;font-weight:700;padding:4px 12px;border-radius:100px;background:var(--accent);color:var(--bg);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}

/* SKILLS */
.skills{padding:100px 0}
.skills-split{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.skill-row{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.skill-name{font-size:14px;font-weight:500;color:var(--white);min-width:110px}
.sbar{flex:1;height:6px;background:var(--border);border-radius:100px;overflow:hidden}
.sfill{height:100%;width:0;border-radius:100px;transition:width 1.2s var(--ease)}
.sfill--red{background:var(--red)}.sfill--blue{background:var(--blue)}.sfill--yellow{background:var(--yellow)}.sfill--green{background:var(--green)}
.skill-pct{font-family:var(--mono);font-size:12px;color:var(--dim);min-width:36px;text-align:right}
.skill-cat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:20px;margin-bottom:14px}
.cat-icon{font-size:22px;margin-bottom:8px}
.cat-label{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--dim);margin-bottom:12px}
.cat-chips{display:flex;flex-wrap:wrap;gap:7px}

/* COURSES */
.courses{padding:100px 0;background:var(--bg2)}
.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.course-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;transition:.3s var(--ease)}
.course-card:hover{transform:translateY(-4px);border-color:rgba(200,255,50,.3)}
.course-card>img{width:100%;height:150px;object-fit:cover}
.course-body{padding:18px}
.course-body h3{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--white)}
.course-body p{font-size:13px;color:var(--dim)}
.course-date{font-family:var(--mono);font-size:11px;color:var(--dim);margin-bottom:5px}

/* CONTACT */
.contact{padding:100px 0}
.contact-intro{font-size:15px;color:var(--dim);margin-bottom:40px;max-width:500px}
.contact-wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:32px;box-shadow:0 8px 32px rgba(0,0,0,.25)}
.contact-form{display:flex;flex-direction:column;gap:14px}
.form-row{display:flex;gap:14px}
.form-row input{flex:1}
.contact-form input,.contact-form textarea{background:var(--bg);border:1px solid var(--border);border-radius:var(--rs);padding:14px 18px;color:var(--text);font-family:var(--font);font-size:14px;outline:none;resize:none;transition:border-color .25s}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:var(--dim)}
.contact-form .btn-primary{align-self:flex-start}
.contact-info{display:flex;flex-direction:column;gap:20px;padding-top:8px}
.ci-item{display:flex;gap:14px;align-items:center}
.ci-icon{width:44px;height:44px;border-radius:10px;background:rgba(200,255,50,.1);display:flex;align-items:center;justify-content:center;font-size:16px;font-family:var(--mono);font-weight:700;color:var(--accent);flex-shrink:0}
.ci-label{font-family:var(--mono);font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--dim);margin-bottom:2px}
.ci-item a,.ci-item span{font-size:14px;color:var(--text);transition:color .2s}
.ci-item a:hover{color:var(--accent)}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:28px 0}
.footer-row{display:flex;align-items:center;justify-content:space-between}
footer p{font-size:12px;color:var(--dim)}

/* BTT */
.btt{position:fixed;bottom:24px;right:24px;width:46px;height:46px;border-radius:50%;background:var(--accent);color:var(--bg);font-size:18px;font-weight:700;border:none;cursor:pointer;opacity:0;pointer-events:none;transition:.3s var(--ease);z-index:100;box-shadow:0 4px 16px rgba(200,255,50,.25)}
.btt.show{opacity:1;pointer-events:auto}
.btt:hover{transform:translateY(-3px)}

/* RESPONSIVE */
@media(max-width:900px){
    .hero{flex-direction:column-reverse;text-align:center;padding-top:100px;gap:36px}
    .hero-btns,.hero-links{justify-content:center}
    .hero-portrait{width:220px;margin:0 auto}
    .about-split{grid-template-columns:1fr}
    .about-left{text-align:center}.about-para{max-width:100%}
    .proj-grid{grid-template-columns:1fr}
    .proj-card--large{grid-column:1;grid-row:auto}
    .proj-card--large .proj-img{height:220px}
    .skills-split{grid-template-columns:1fr}
    .contact-wrap{grid-template-columns:1fr}
    .about-stats{flex-wrap:wrap;gap:24px}
    /* Timeline mobile */
    .exp-timeline::before{left:8px}
    .exp-meta{display:none}
    .exp-dot{position:absolute;left:0;top:28px}
    .exp-row{padding-left:36px;position:relative}
    .exp-card{margin-left:0}
    .exp-card::before{content:attr(data-period);display:block;font-family:var(--mono);font-size:11px;color:var(--dim);margin-bottom:8px}
}
@media(max-width:768px){
    .nav-links{display:none;position:fixed;top:64px;left:0;right:0;background:rgba(13,13,15,.96);backdrop-filter:blur(18px);flex-direction:column;align-items:center;padding:24px 0;border-bottom:1px solid var(--border)}
    .nav-links.open{display:flex}
    .nav-links a{padding:12px 0;font-size:16px}
    .hamburger{display:flex}
    .hire-btn{display:none}
    .form-row{flex-direction:column}
    .footer-row{flex-direction:column;gap:10px;text-align:center}
}
@media(max-width:480px){
    .course-grid{grid-template-columns:1fr}
}