/* Custom polish & animation layer (loads after main.css) */
:root{--accent-color:#6c5ce7;--accent-2:#00cec9;--grad:linear-gradient(135deg,#6c5ce7,#00cec9)}
body{overflow-x:hidden}
::selection{background:var(--accent-color);color:#fff}

/* scroll progress */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:99999;transition:width .1s linear}

/* header / profile */
.header .profile-img img{border:4px solid rgba(255,255,255,.15);box-shadow:0 0 0 0 rgba(108,92,231,.6);animation:pulse 2.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 18px rgba(108,92,231,0)}100%{box-shadow:0 0 0 0 rgba(108,92,231,0)}}
.navmenu a:hover,.navmenu .active{background:rgba(108,92,231,.15);border-radius:30px}
.navmenu a .navicon,.navmenu a:hover .navicon{transition:transform .3s}
.navmenu a:hover .navicon{transform:scale(1.25) rotate(-6deg)}
.social-links a{transition:transform .3s,background .3s}
.social-links a:hover{transform:translateY(-4px);background:var(--accent-color)}

/* hero */
.hero{position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(120deg,rgba(4,11,20,.85),rgba(108,92,231,.55),rgba(0,206,201,.35));background-size:200% 200%;animation:gradShift 12s ease infinite}
.hero>img{animation:kenburns 22s ease-in-out infinite alternate}
.hero .container{z-index:2}
.hero h2{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:800;background:linear-gradient(90deg,#fff,#b8f3f1,#fff);background-size:200%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shine 6s linear infinite}
.hero p{font-size:clamp(1.1rem,2.6vw,1.6rem)}
.hero .typed{color:#7ff5f1;font-weight:600}
.hero-cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn-main,.btn-ghost{padding:12px 30px;border-radius:50px;font:600 15px var(--nav-font);transition:all .3s;text-decoration:none}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(108,92,231,.45)}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,206,201,.5);color:#fff}
.btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:#fff;color:#040b14;transform:translateY(-3px)}
.orb{position:absolute;border-radius:50%;filter:blur(60px);opacity:.45;z-index:1;animation:float 9s ease-in-out infinite}
.orb.o1{width:260px;height:260px;background:#6c5ce7;top:10%;right:8%}
.orb.o2{width:200px;height:200px;background:#00cec9;bottom:8%;left:10%;animation-delay:-4s}
@keyframes float{50%{transform:translate(20px,-30px) scale(1.1)}}
@keyframes gradShift{50%{background-position:100% 50%}}
@keyframes kenburns{to{transform:scale(1.1)}}
@keyframes shine{to{background-position:200% center}}

/* section titles */
.section-title h2{display:inline-block;position:relative;padding-bottom:14px;font-weight:800}
.section-title h2:after{content:"";position:absolute;left:50%;bottom:0;height:4px;width:0;border-radius:4px;background:var(--grad);transform:translateX(-50%);transition:width .9s ease}
.section-title.aos-animate h2:after{width:70px}

/* about */
.about-photo{border-radius:20px;box-shadow:0 20px 45px rgba(108,92,231,.25);transition:transform .5s}
.about-photo:hover{transform:scale(1.03) rotate(-1.5deg)}
.about .content ul li{transition:transform .3s}
.about .content ul li:hover{transform:translateX(8px)}

/* skills */
.skills .progress-bar-wrap{height:10px;border-radius:10px;background:#e8eaf6;overflow:hidden}
.skills .progress .progress-bar{background:var(--grad);border-radius:10px;position:relative;overflow:hidden}
.skills .progress .progress-bar:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);transform:translateX(-100%);animation:sweep 2.4s infinite}
@keyframes sweep{to{transform:translateX(100%)}}

/* resume */
.resume .resume-item{border-left:2px solid rgba(108,92,231,.35);transition:border-color .3s,transform .3s}
.resume .resume-item:hover{border-color:var(--accent-color);transform:translateX(6px)}
.resume .resume-item:before{background:var(--grad);border:0}

/* portfolio */
.portfolio .portfolio-content{border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:transform .4s,box-shadow .4s}
.portfolio .portfolio-content:hover{transform:translateY(-10px);box-shadow:0 22px 45px rgba(108,92,231,.3)}
.portfolio .portfolio-content img{transition:transform .6s}
.portfolio .portfolio-content:hover img{transform:scale(1.1)}
.portfolio .portfolio-info h4{color:#fff;font-size:18px;font-weight:700}
.portfolio .portfolio-info p{margin-bottom:0}

/* services */
.services .service-item{border-radius:18px;transition:transform .4s,box-shadow .4s;position:relative;overflow:hidden}
.services .service-item:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(108,92,231,.25)}
.services .service-item .icon{transition:transform .5s}
.services .service-item:hover .icon{transform:rotateY(360deg)}

/* contact */
.contact .info-item{transition:transform .3s}
.contact .info-item:hover{transform:translateX(8px)}
.contact .contact-form{border-radius:18px;box-shadow:0 12px 40px rgba(0,0,0,.08)}
.contact .contact-form button[type=submit]{background:var(--grad);border-radius:50px;transition:all .3s}
.contact .contact-form button[type=submit]:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(108,92,231,.4)}
.form-status{margin:12px 0 0;font-weight:500}
.form-status.ok{color:#1b9e5a}.form-status.err{color:#d63031}

/* scroll top */
.scroll-top{background:var(--grad)!important}

@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

/* ===== v2 features ===== */
#hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}

.stats .stat-box{padding:28px 10px;border-radius:18px;background:var(--surface-color);box-shadow:0 10px 30px rgba(0,0,0,.07);transition:transform .35s}
.stats .stat-box:hover{transform:translateY(-8px)}
.stats .stat-box i{font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stats .count{display:block;font:800 2.6rem var(--heading-font);color:var(--heading-color)}
.stats p{margin:0;font-weight:500}

.cv-btn{display:inline-block;margin-top:6px}.cv-btn[hidden]{display:none}
.cv-btn i{margin-right:6px}

.project-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.project-filters button{border:2px solid var(--accent-color);background:transparent;color:var(--accent-color);padding:7px 20px;border-radius:50px;font:500 14px var(--nav-font);transition:all .3s}
.project-filters button.active,.project-filters button:hover{background:var(--grad);border-color:transparent;color:#fff}
.project-card{border-radius:18px;overflow:hidden;background:var(--surface-color);box-shadow:0 10px 30px rgba(0,0,0,.1);transition:transform .4s,box-shadow .4s;height:100%}
.project-card:hover{transform:translateY(-10px);box-shadow:0 22px 45px rgba(108,92,231,.3)}
.project-card .thumb{overflow:hidden;aspect-ratio:16/10}
.project-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.project-card:hover img{transform:scale(1.1)}
.project-card .body{padding:20px}
.project-card h4{font-size:19px;font-weight:700;margin-bottom:8px}
.project-card p{font-size:14px;margin-bottom:12px}
.project-card .tags span{display:inline-block;font-size:12px;padding:3px 12px;margin:0 6px 6px 0;border-radius:20px;background:rgba(108,92,231,.12);color:var(--accent-color);font-weight:500}
.project-card .links a{margin-right:14px;font-weight:600;font-size:14px;color:var(--accent-color);text-decoration:none}
.project-card .links a:hover{color:var(--accent-2)}
.project-card.hide{display:none}
.project-col{animation:popIn .5s both}
@keyframes popIn{from{opacity:0;transform:scale(.92)}}

.footer .credits{font-size:12px;opacity:.7;margin-top:6px;text-align:center}
.footer .credits a{color:var(--accent-color)}

/* dark mode */
html[data-theme=dark]{--background-color:#0b1220;--default-color:#cfd6e4;--heading-color:#fff;--surface-color:#141c2e}
html[data-theme=dark] .light-background{--background-color:#0f172a;--surface-color:#17213a}
html[data-theme=dark] .skills .progress-bar-wrap{background:#222c45}
html[data-theme=dark] .contact .info-wrap,html[data-theme=dark] .contact .contact-form{background:var(--surface-color)}
html[data-theme=dark] .form-control{background:#0f172a;border-color:#2a3550;color:#fff}
html[data-theme=dark] .project-card .tags span{background:rgba(127,119,255,.18);color:#a9a2ff}
html[data-theme=dark] .resume .resume-item h4,html[data-theme=dark] .service-item .title{color:#fff}
html[data-theme=dark] iframe{filter:invert(.9) hue-rotate(180deg)}

/* ===== v3: featured project & tech chips ===== */
.tech-chips{margin-top:34px;text-align:center}
.tech-chips h4{font-size:18px;font-weight:700;margin-bottom:14px}
.tech-chips span,.featured .tags span{display:inline-block;margin:0 6px 8px 0;padding:6px 16px;border-radius:30px;font-size:13px;font-weight:500;background:rgba(108,92,231,.12);color:var(--accent-color);transition:transform .3s,background .3s,color .3s}
.tech-chips span:hover{transform:translateY(-4px);background:var(--grad);color:#fff}
.featured-intro{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;margin-bottom:20px}
.featured-intro img{width:100%;border-radius:20px;box-shadow:0 20px 45px rgba(108,92,231,.3);transition:transform .5s}
.featured-intro img:hover{transform:scale(1.03)}
.feature-card{height:100%;padding:26px 22px;border-radius:18px;background:var(--surface-color);box-shadow:0 10px 30px rgba(0,0,0,.07);transition:transform .35s,box-shadow .35s}
.feature-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(108,92,231,.25)}
.feature-card i{font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.feature-card h5{font-weight:700;margin:10px 0 8px;font-size:17px}
.feature-card p{font-size:14px;margin:0}
@media(max-width:991px){.featured-intro{grid-template-columns:1fr}}
html[data-theme=dark] .tech-chips span,html[data-theme=dark] .featured .tags span{background:rgba(127,119,255,.18);color:#a9a2ff}

/* ===== v5: skills redesign ===== */
@property --p{syntax:'<number>';inherits:false;initial-value:0}
.skills-sub{text-align:center;font-weight:700;font-size:20px;margin:6px 0 26px}
.skills-sub:not(:first-child){margin-top:50px}
.ring-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.skill-ring{text-align:center;padding:22px 10px;border-radius:18px;background:var(--surface-color);box-shadow:0 10px 30px rgba(0,0,0,.07);transition:transform .35s,box-shadow .35s}
.skill-ring:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(108,92,231,.25)}
.skill-ring .ring{--p:0;width:96px;height:96px;margin:0 auto 12px;border-radius:50%;display:grid;place-items:center;position:relative;background:conic-gradient(var(--accent-color),var(--accent-2) calc(var(--p)*1%),rgba(127,127,160,.2) 0);transition:--p 1.6s ease}
.skill-ring .ring:before{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--surface-color)}
.skill-ring .ring b{position:relative;font:700 18px var(--heading-font);color:var(--heading-color)}
.skill-ring span{font-weight:600}
.group-title{font-size:15px;font-weight:700;color:var(--accent-color);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}
.tech-tile{display:flex;align-items:center;gap:14px;padding:12px 16px;margin-bottom:12px;border-radius:14px;background:var(--surface-color);box-shadow:0 6px 20px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.tech-tile:hover{transform:translateX(6px);box-shadow:0 10px 26px rgba(108,92,231,.25)}
.tech-tile em{flex:0 0 42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--grad);color:#fff;font:700 15px var(--heading-font);font-style:normal}
.tech-tile strong{display:block;font-size:15px;line-height:1.2}
.tech-tile small{opacity:.75;font-size:12px}
@media(max-width:991px){.ring-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:575px){.ring-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== v10: project gallery ===== */
.project-gallery{margin-bottom:40px}
.shot{position:relative;display:block;border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.15);transition:transform .4s,box-shadow .4s}
.shot:hover{transform:translateY(-8px);box-shadow:0 20px 44px rgba(108,92,231,.35)}
.shot img{width:100%;display:block;transition:transform .6s}
.shot:hover img{transform:scale(1.06)}
.shot span{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;color:#fff;font-weight:600;font-size:14px;background:linear-gradient(transparent,rgba(0,0,0,.75))}

/* ===== v11: live demo ===== */
.demo-actions{text-align:center;margin-bottom:26px}.demo-actions:empty{display:none}
.live-demo{margin-bottom:44px}.live-demo[hidden]{display:none}
.browser{border-radius:16px;overflow:hidden;box-shadow:0 24px 60px rgba(108,92,231,.35);background:#0b1220;border:1px solid #2a3550}
.browser-bar{display:flex;align-items:center;gap:7px;padding:11px 16px;background:#141c2e}
.browser-bar i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.browser-bar i:nth-child(2){background:#febc2e}.browser-bar i:nth-child(3){background:#28c840}
.browser-bar span{margin-left:12px;flex:1;padding:4px 14px;border-radius:20px;background:#0b1220;color:#9aa6c3;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.browser iframe{width:100%;height:min(75vh,640px);border:0;display:block;background:#fff}
.browser video{width:100%;display:block;max-height:640px;background:#000}
.demo-hint{margin:14px 0 0;text-align:center;font-weight:600}.demo-hint i{color:var(--accent-color)}
.demo-note{margin:8px 0 0;text-align:center;font-size:13px;opacity:.75}

/* v12: dashboard screenshot */
.featured-intro img{border:1px solid rgba(127,127,160,.25);object-fit:cover}

/* v14: spacing under tech chips */
.featured-intro .btn-main{display:inline-block;margin-top:14px}