:root{
  --bg:#0a0e1a;
  --bg-soft:#0f1626;
  --card:#141b2e;
  --line:#23304a;
  --text:#e8edf5;
  --text-dim:#8b9bb8;
  --cyan:#5eead4;
  --amber:#fbbf24;
  --max:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;line-height:1.6;overflow-x:hidden;}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-0.02em;}
a{color:var(--cyan);text-decoration:none;}
ul{list-style:none;}

.cursor-glow{position:fixed;top:0;left:0;width:400px;height:400px;background:radial-gradient(circle,rgba(94,234,212,0.08),transparent 70%);border-radius:50%;pointer-events:none;z-index:1;transform:translate(-50%,-50%);transition:opacity .3s;}
#particles{position:fixed;inset:0;z-index:0;opacity:0.5;}

.navbar{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:18px 48px;backdrop-filter:blur(12px);background:rgba(10,14,26,0.65);border-bottom:1px solid var(--line);}
.navbar .logo{font-family:'Space Grotesk',sans-serif;font-size:1.4rem;font-weight:700;color:var(--text);}
.navbar .logo span{color:var(--cyan);}
.navbar ul{display:flex;gap:28px;}
.navbar ul li a{color:var(--text-dim);font-size:0.92rem;font-weight:500;transition:color .2s;}
.navbar ul li a:hover,.navbar ul li a.active{color:var(--cyan);}
@media(max-width:900px){.navbar{padding:14px 20px;}.navbar ul{display:none;}}

section{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:110px 48px;}
@media(max-width:700px){section{padding:80px 24px;}}
.section-title{text-align:center;margin-bottom:56px;}
.section-title h2{font-size:clamp(1.8rem,4vw,2.6rem);display:inline-block;position:relative;padding-bottom:14px;}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--cyan);border-radius:2px;}

.hero{min-height:100vh;padding-top:100px;display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center;}
.hero-left h3{font-family:'Space Grotesk',sans-serif;color:var(--amber);font-size:1.1rem;margin-bottom:8px;}
.hero-left h1{font-size:clamp(2.6rem,6vw,4.4rem);margin-bottom:12px;line-height:1.05;}
.hero-left h2{font-size:clamp(1.1rem,2.4vw,1.5rem);color:var(--cyan);font-weight:500;font-family:'Inter',sans-serif;margin-bottom:20px;}
.hero-left p{color:var(--text-dim);font-size:1.05rem;max-width:520px;margin-bottom:32px;min-height:54px;}
#typing::after{content:'|';display:inline-block;color:var(--cyan);animation:blink 1s step-end infinite;margin-left:2px;}
@keyframes blink{50%{opacity:0;}}

.hero-buttons{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
.btn1,.btn2{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:0.95rem;padding:13px 28px;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:all .25s;display:inline-flex;align-items:center;gap:8px;}
.btn1{background:var(--cyan);color:#06151a;}
.btn1:hover{background:#86f3e4;transform:translateY(-3px);box-shadow:0 10px 24px rgba(94,234,212,.25);}
.btn2{border-color:var(--line);color:var(--text);}
.btn2:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-3px);}

.social-links{display:flex;gap:18px;}
.social-links a{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:1.1rem;transition:all .25s;}
.social-links a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-3px);box-shadow:0 8px 20px rgba(94,234,212,.2);}

.hero-right{display:flex;justify-content:center;}
.photo-ring{width:min(320px,80vw);aspect-ratio:1;border-radius:50%;position:relative;padding:6px;background:conic-gradient(from 0deg,var(--cyan),var(--amber),var(--cyan));animation:floatPhoto 4s ease-in-out infinite;}
.photo-ring::before{content:'';position:absolute;inset:-8px;border-radius:50%;background:conic-gradient(from 0deg,var(--cyan),var(--amber),var(--cyan));filter:blur(18px);opacity:0.45;z-index:-1;animation:glowPulse 4s ease-in-out infinite;}
.photo-ring img{width:100%;height:100%;object-fit:cover;border-radius:50%;display:block;border:4px solid var(--bg);}
@keyframes floatPhoto{0%,100%{transform:translateY(0px);}50%{transform:translateY(-18px);}}
@keyframes glowPulse{0%,100%{opacity:0.35;filter:blur(18px);}50%{opacity:0.75;filter:blur(26px);}}

@media(max-width:900px){.hero{grid-template-columns:1fr;text-align:center;padding-top:120px;}.hero-left p{margin:0 auto 28px;}.hero-buttons,.social-links{justify-content:center;}.hero-right{order:-1;margin-bottom:8px;}}

.about-container{display:flex;justify-content:center;}
.about-text{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:36px 40px;max-width:820px;}
.about-text p{color:var(--text-dim);font-size:1.05rem;margin-bottom:18px;}
.about-text p:last-child{margin-bottom:0;}
.about-text b{color:var(--cyan);font-weight:600;}

.counter-section{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:var(--max);margin:0 auto;padding:60px 48px;}
.counter-card{background:var(--card);border:1px solid var(--line);border-radius:14px;text-align:center;padding:32px 16px;transition:border-color .25s,transform .25s;}
.counter-card:hover{border-color:var(--cyan);transform:translateY(-4px);}
.counter-card .counter{font-size:2.6rem;color:var(--cyan);font-family:'Space Grotesk',sans-serif;}
.counter-card p{color:var(--text-dim);margin-top:8px;font-size:0.95rem;}
@media(max-width:800px){.counter-section{grid-template-columns:repeat(2,1fr);padding:40px 24px;}}

.timeline-container{position:relative;max-width:800px;margin:0 auto;padding-left:32px;border-left:2px solid var(--line);}
.timeline-item{position:relative;padding-bottom:40px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{content:'';position:absolute;left:-41px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--bg);border:3px solid var(--cyan);box-shadow:0 0 12px rgba(94,234,212,.5);}
.timeline-item span{font-family:'Space Grotesk',sans-serif;color:var(--amber);font-weight:700;font-size:1.1rem;}
.timeline-item h3{font-size:1.2rem;margin:6px 0 8px;}
.timeline-item p{color:var(--text-dim);white-space:pre-line;font-size:0.95rem;}

.skills-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;margin-top:8px;}
.skill-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;transition:border-color .25s,transform .25s;}
.skill-card:hover{border-color:var(--cyan);transform:translateY(-4px);}
.skill-card h3{color:var(--cyan);font-size:1.05rem;margin-bottom:14px;}
.skill-card p{color:var(--text-dim);font-size:0.92rem;padding:5px 0;border-bottom:1px solid var(--line);}
.skill-card p:last-child{border-bottom:none;}

.project-card{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:36px;}
.project-img-wrap{position:relative;overflow:hidden;min-height:260px;height:100%;}
.project-img-wrap img{width:100%;height:100%;object-fit:cover;display:block;min-height:260px;cursor:zoom-in;transition:transform .35s ease,opacity .3s ease;}
.project-img-wrap:hover img{transform:scale(1.04);opacity:0.82;}
.img-zoom-hint{position:absolute;bottom:0;left:0;right:0;background:rgba(10,14,26,0.78);color:var(--cyan);font-size:0.82rem;font-weight:600;text-align:center;padding:10px;transform:translateY(100%);transition:transform .3s ease;pointer-events:none;}
.project-img-wrap:hover .img-zoom-hint{transform:translateY(0);}
.project-content{padding:32px 36px 32px 0;}
.project-card:nth-child(odd) .project-content{padding:32px 36px;}
.project-content h2{font-size:1.4rem;margin-bottom:14px;}
.project-content h4{color:var(--amber);font-size:0.85rem;text-transform:uppercase;letter-spacing:0.08em;margin:14px 0 6px;}
.project-content p{color:var(--text-dim);font-size:0.95rem;}
.project-content ul{margin-top:6px;}
.project-content ul li{color:var(--text);font-size:0.92rem;padding:4px 0 4px 20px;position:relative;}
.project-content ul li::before{content:'▹';position:absolute;left:0;color:var(--cyan);}
.project-buttons{display:flex;gap:14px;margin-top:22px;}
.project-buttons a{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:0.88rem;border:1px solid var(--line);padding:10px 22px;border-radius:8px;transition:all .25s;color:var(--text);}
.project-buttons a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
@media(max-width:800px){.project-card{grid-template-columns:1fr;}.project-img-wrap img{min-height:200px;}.project-content,.project-card:nth-child(odd) .project-content{padding:24px;}}

.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;}
.cert-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;text-align:center;transition:border-color .25s,transform .25s;}
.cert-card:hover{border-color:var(--amber);transform:translateY(-4px);}
.cert-card h3{font-size:1.02rem;margin-bottom:6px;}
.cert-card p{color:var(--text-dim);font-size:0.88rem;margin-bottom:14px;}
.cert-card a{display:inline-block;font-size:0.85rem;font-weight:600;border:1px solid var(--line);padding:8px 18px;border-radius:6px;transition:all .25s;}
.cert-card a:hover{border-color:var(--cyan);color:var(--cyan);}

.achievement-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;}
.achievement-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px;text-align:center;font-size:2.2rem;transition:border-color .25s,transform .25s;}
.achievement-card:hover{border-color:var(--cyan);transform:translateY(-4px);}
.achievement-card h3{font-size:1rem;margin:12px 0 4px;}
.achievement-card p{color:var(--text-dim);font-size:0.88rem;}

.why-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;}
.why-card{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:10px;padding:20px 22px;font-size:0.98rem;font-weight:500;transition:transform .25s,border-color .25s;}
.why-card:hover{transform:translateX(6px);border-color:var(--cyan);}

.contact{text-align:center;}
.contact-box{background:var(--card);border:1px solid var(--line);border-radius:14px;max-width:600px;margin:0 auto;padding:36px 40px;}
.contact-box p{font-size:1.02rem;color:var(--text-dim);margin-bottom:14px;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;}
.contact-box p:last-child{margin-bottom:0;}
.contact-box a{font-weight:600;}
.contact-box a:hover{color:var(--amber);}

footer{text-align:center;padding:40px 24px;border-top:1px solid var(--line);position:relative;z-index:2;}
footer p{color:var(--text-dim);font-size:0.9rem;margin-bottom:8px;}
footer p:last-child{font-size:0.8rem;}

.lightbox-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.93);z-index:999;align-items:center;justify-content:center;cursor:zoom-out;}
.lightbox-overlay.active{display:flex;}
.lightbox-overlay img{max-width:92vw;max-height:88vh;border-radius:12px;border:2px solid var(--cyan);box-shadow:0 0 60px rgba(94,234,212,0.3);animation:lightboxIn .25s ease;}
@keyframes lightboxIn{from{opacity:0;transform:scale(0.93);}to{opacity:1;transform:scale(1);}}
.lightbox-close{position:fixed;top:20px;right:28px;font-size:2rem;color:var(--cyan);cursor:pointer;z-index:1000;line-height:1;transition:color .2s,transform .2s;}
.lightbox-close:hover{color:var(--amber);transform:scale(1.2);}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media(prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important;}.reveal{opacity:1;transform:none;}}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}