/* Modern personal site theme — layered on top of legacy assets, but index.html no longer needs them */
:root{
  --bg:#0b0f17;
  --bg-soft:#101725;
  --card:#141d2e;
  --text:#e7ecf3;
  --text-dim:#9aa7bd;
  --accent:#5b8cff;
  --accent-2:#7ee0c3;
  --border:#1f2b40;
  --radius:14px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --maxw:1080px;
}
[data-theme="light"]{
  --bg:#f6f8fb;
  --bg-soft:#ffffff;
  --card:#ffffff;
  --text:#101828;
  --text-dim:#5a6578;
  --border:#e4e9f1;
  --shadow:0 10px 30px rgba(20,30,50,.08);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Poppins',Arial,Helvetica,sans-serif;
  background:var(--bg);
  color:var(--text);
  transition:background .3s ease,color .3s ease;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:96px 0;}

/* Nav */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(11,15,23,.7);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:background .3s ease,border-color .3s ease;
}
[data-theme="light"] .nav{background:rgba(255,255,255,.75);}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:72px;}
.brand{font-weight:700;font-size:1.15rem;letter-spacing:.5px;}
.brand span{color:var(--accent);}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0;}
.nav-links a{
  font-size:.92rem;color:var(--text-dim);position:relative;padding:6px 0;
  transition:color .2s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px;}
.theme-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--border);
  background:var(--card);color:var(--text);display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:1rem;transition:transform .2s ease;
}
.theme-toggle:hover{transform:scale(1.08);}
.lang-toggle{
  height:38px;padding:0 12px;border-radius:999px;border:1px solid var(--border);
  background:var(--card);color:var(--text);display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:.8rem;font-weight:700;letter-spacing:.5px;transition:transform .2s ease,color .2s ease,border-color .2s ease;
}
.lang-toggle:hover{transform:scale(1.06);color:var(--accent);border-color:var(--accent);}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer;}

@media (max-width:820px){
  .nav-links{
    position:fixed;inset:72px 0 0 0;flex-direction:column;align-items:center;justify-content:center;gap:32px;
    background:var(--bg);transform:translateX(100%);transition:transform .3s ease;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{display:block;}
}

/* Hero */
.hero{
  min-height:100vh;display:flex;align-items:center;padding-top:72px;
  position:relative;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(circle at 80% 20%,rgba(91,140,255,.18),transparent 55%),
             radial-gradient(circle at 10% 80%,rgba(126,224,195,.12),transparent 55%);
}
/* Floating animated blobs behind hero */
.hero .blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;z-index:-1;pointer-events:none;}
.hero .blob.b1{width:380px;height:380px;background:rgba(91,140,255,.35);top:-60px;right:-40px;animation:float1 14s ease-in-out infinite;}
.hero .blob.b2{width:320px;height:320px;background:rgba(126,224,195,.28);bottom:-80px;left:-60px;animation:float2 18s ease-in-out infinite;}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-30px,40px) scale(1.1);}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(40px,-30px) scale(1.08);}}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero-eyebrow{color:var(--accent);font-weight:600;letter-spacing:1.5px;text-transform:uppercase;font-size:.8rem;}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);line-height:1.1;margin:14px 0 8px;}
.hero h1 .highlight{
  background:linear-gradient(90deg,var(--accent),var(--accent-2),var(--accent));
  background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:shine 5s linear infinite;
}
@keyframes shine{to{background-position:200% center;}}
.hero .role{font-size:1.2rem;color:var(--text-dim);min-height:1.6em;}
.hero .role .cursor{display:inline-block;width:2px;background:var(--accent);margin-left:2px;animation:blink 1s steps(1) infinite;}
@keyframes blink{50%{opacity:0;}}
.hero p.lead{color:var(--text-dim);margin:18px 0 28px;max-width:520px;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  font-weight:600;font-size:.92rem;transition:all .25s ease;border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(91,140,255,.35);}
.btn-outline{border-color:var(--border);color:var(--text);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.social-row{display:flex;gap:14px;margin-top:32px;}
.social-row a{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;transition:all .2s ease;color:var(--text-dim);
}
.social-row a:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-3px);}

.hero-portrait-wrap{justify-self:center;will-change:transform;transition:transform .15s ease-out;}
.hero-portrait{position:relative;animation:bob 6s ease-in-out infinite;}
@keyframes bob{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}
.hero-portrait::before{
  content:"";position:absolute;inset:-14px;border-radius:50%;z-index:0;
  background:conic-gradient(from 0deg,var(--accent),var(--accent-2),var(--accent));
  animation:spin 8s linear infinite;filter:blur(2px);opacity:.85;
}
@keyframes spin{to{transform:rotate(360deg);}}
.hero-portrait .ring{
  width:320px;height:320px;border-radius:50%;overflow:hidden;border:6px solid var(--bg);
  box-shadow:var(--shadow);position:relative;z-index:1;
}
.hero-portrait img{width:100%;height:100%;object-fit:cover;}
.hero-portrait .badge{
  position:absolute;bottom:-14px;left:50%;transform:translateX(-50%);white-space:nowrap;
  background:var(--card);border:1px solid var(--border);z-index:3;
  border-radius:999px;padding:10px 16px;font-size:.8rem;font-weight:600;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:8px;
}
.hero-portrait .badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-2);}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

/* Section heads */
.section-head{margin-bottom:48px;}
.section-head .eyebrow{color:var(--accent);font-weight:600;letter-spacing:1.5px;text-transform:uppercase;font-size:.78rem;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);margin:8px 0 6px;}
.section-head p{color:var(--text-dim);max-width:560px;}

.bg-soft{background:var(--bg-soft);}

/* Per-section animated canvas backgrounds (themed per section) */
section[id]{position:relative;overflow:hidden;}
#about,#experience,#contact{background:var(--bg-soft);}
#skills,#services{background:var(--bg);}
.sec-bg{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.55;pointer-events:none;}
section[id] > .container{position:relative;z-index:1;}

/* Inner-page sections also host canvases */
.page-about section,.page-services section,.page-contact section{position:relative;overflow:hidden;}
.page-about section,.page-services section,.page-contact section{background:var(--bg);}
.page-about section.bg-soft,.page-services section.bg-soft,.page-contact section.bg-soft{background:var(--bg-soft);}
.page-about section > .container,.page-services section > .container,.page-contact section > .container{position:relative;z-index:1;}

/* About grid */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.about-grid p{color:var(--text-dim);line-height:1.8;margin-bottom:16px;}
.facts{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.facts li{font-size:.9rem;color:var(--text-dim);display:flex;align-items:center;gap:10px;}
.facts li i{color:var(--accent);width:18px;}

/* Skills */
.skills-grid{display:grid;gap:22px;}
.skill-item h4{display:flex;justify-content:space-between;font-size:.95rem;font-weight:600;margin:0 0 8px;}
.skill-item h4 .pct{color:var(--accent);}
.bar{height:8px;border-radius:99px;background:var(--border);overflow:hidden;}
.bar span{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width 1.2s ease;}

/* Skill tag cloud */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;}
.tag-cloud span{
  font-size:.82rem;color:var(--text-dim);background:var(--card);border:1px solid var(--border);
  padding:7px 14px;border-radius:999px;transition:all .2s ease;cursor:default;
}
.tag-cloud span:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px);}

/* Timeline */
.timeline{position:relative;padding-left:30px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:40px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-37px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--accent);border:3px solid var(--bg);box-shadow:0 0 0 4px rgba(91,140,255,.15);
}
.timeline-item .period{
  display:inline-block;font-size:.74rem;color:var(--accent);font-weight:600;text-transform:uppercase;
  letter-spacing:.5px;background:rgba(91,140,255,.1);padding:4px 12px;border-radius:999px;
}
.timeline-item h4{margin:10px 0 4px;font-size:1.08rem;}
.timeline-item .company{color:var(--text-dim);font-size:.86rem;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.timeline-item .company i{color:var(--accent);}
.timeline-item p{margin:0 0 8px;color:var(--text-dim);font-size:.92rem;line-height:1.6;}
.role-points{margin:8px 0 0;padding-left:0;list-style:none;display:grid;gap:7px;}
.role-points li{position:relative;padding-left:22px;color:var(--text-dim);font-size:.9rem;line-height:1.55;}
.role-points li::before{content:"\f00c";font-family:FontAwesome;position:absolute;left:0;top:1px;color:var(--accent-2);font-size:.78rem;}
.role-points strong{color:var(--text);font-weight:600;}

.tabs{display:flex;gap:10px;margin-bottom:32px;}
.tab-btn{
  padding:10px 20px;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--text-dim);
  font-weight:600;font-size:.88rem;cursor:pointer;transition:all .2s ease;
}
.tab-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}

/* Cards */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:30px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(91,140,255,.18);border-color:var(--accent);}
.card:hover::before{transform:scaleX(1);}
.card i{font-size:1.7rem;color:var(--accent);margin-bottom:14px;display:inline-block;transition:transform .3s ease;}
.card:hover i{transform:scale(1.15) rotate(-6deg);}
.card h4{margin:0 0 8px;font-size:1.05rem;}
.card p{margin:0;color:var(--text-dim);font-size:.9rem;line-height:1.6;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;}
.contact-info-list{list-style:none;margin:24px 0;padding:0;display:flex;flex-direction:column;gap:18px;}
.contact-info-list li{display:flex;align-items:center;gap:14px;color:var(--text-dim);font-size:.92rem;}
.contact-info-list i{
  width:38px;height:38px;border-radius:50%;background:var(--card);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0;
}
form.contact-form{display:grid;gap:16px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.contact-form input,.contact-form textarea{
  width:100%;padding:14px 16px;border-radius:10px;border:1px solid var(--border);
  background:var(--card);color:var(--text);font-family:inherit;font-size:.92rem;transition:border-color .2s ease;
}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);}
.contact-form textarea{resize:vertical;min-height:130px;}
#form-status{font-size:.88rem;margin-top:6px;min-height:1.2em;}
#form-status.ok{color:var(--accent-2);}
#form-status.err{color:#ff6b6b;}

/* Inner page banner */
.page-banner{
  padding:150px 0 70px;text-align:center;position:relative;
  background:radial-gradient(circle at 50% 0%,rgba(91,140,255,.18),transparent 60%);
  border-bottom:1px solid var(--border);
}
.page-banner h1{font-size:clamp(2rem,4vw,2.8rem);margin:0 0 12px;}
.breadcrumb-nav{display:flex;gap:10px;justify-content:center;color:var(--text-dim);font-size:.9rem;}
.breadcrumb-nav a{color:var(--accent);}
.breadcrumb-nav span{color:var(--text-dim);}

/* Profile (about) */
.profile-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center;}
.profile-grid .photo{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
.profile-grid h3{font-size:1.8rem;margin:6px 0 2px;}
.profile-grid .subtitle{color:var(--accent);font-weight:600;margin-bottom:14px;}
.profile-grid .eyebrow{color:var(--text-dim);font-size:.85rem;text-transform:uppercase;letter-spacing:1px;}
.profile-grid p{color:var(--text-dim);line-height:1.7;}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;text-align:center;}
.stat-card .num{font-size:2.2rem;font-weight:700;color:var(--accent);}
.stat-card p{margin:4px 0 0;color:var(--text-dim);font-size:.9rem;}

/* Service cards with image */
.service-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;text-align:center;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.service-card .thumb{height:150px;display:flex;align-items:center;justify-content:center;background:var(--bg-soft);padding:24px;}
.service-card .thumb img{max-height:100%;width:auto;object-fit:contain;}
.service-card .body{padding:26px;}
.service-card h4{margin:0 0 8px;font-size:1.1rem;}
.service-card p{margin:0;color:var(--text-dim);font-size:.9rem;line-height:1.6;}

/* Map */
.map-embed{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:40px;height:340px;}
.map-embed iframe{width:100%;height:100%;border:0;filter:grayscale(.2);}

@media (max-width:900px){
  .profile-grid{grid-template-columns:1fr;text-align:center;}
  .stats-grid{grid-template-columns:1fr;}
}

/* Footer */
.footer{padding:36px 0;border-top:1px solid var(--border);text-align:center;color:var(--text-dim);font-size:.85rem;}
.footer .social-row{justify-content:center;margin:18px 0;}

/* Back to top */
.to-top{
  position:fixed;bottom:28px;right:28px;width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;
  border:none;cursor:pointer;opacity:0;transform:translateY(10px);transition:all .25s ease;z-index:900;
}
.to-top.show{opacity:1;transform:none;}

/* Scroll progress bar */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:1100;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 10px rgba(91,140,255,.6);transition:width .1s linear;
}

/* Nav shrink on scroll */
.nav.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.18);}
.nav.scrolled .container{height:60px;}

/* Reveal direction variants + stagger */
.reveal.from-left{transform:translateX(-40px);}
.reveal.from-right{transform:translateX(40px);}
.reveal.zoom{transform:scale(.92);}
.reveal.in{opacity:1;transform:none;}

/* Animated underline under section headings */
.section-head h2{position:relative;display:inline-block;}
.section-head h2::after{
  content:"";position:absolute;left:0;bottom:-8px;height:3px;width:0;border-radius:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .8s ease .2s;
}
.section-head.in h2::after,.reveal.in .section-head h2::after,.section-head h2.in::after{width:60px;}

/* Skill bar shimmer */
.bar span{position:relative;}
.bar span::after{
  content:"";position:absolute;inset:0;border-radius:99px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  transform:translateX(-100%);animation:shimmer 2.2s ease-in-out infinite;
}
@keyframes shimmer{100%{transform:translateX(100%);}}

/* Buttons subtle pulse on primary */
.btn-primary{position:relative;overflow:hidden;}
.btn-primary::after{
  content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;
  background:rgba(255,255,255,.25);transform:translate(-50%,-50%);transition:width .5s ease,height .5s ease;
}
.btn-primary:hover::after{width:240px;height:240px;}

/* Social row pop */
.social-row a:hover{transform:translateY(-4px) scale(1.1);}

/* Respect reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1 !important;transform:none !important;}
}

/* Page load transition */
body.page-loading{opacity:0;}
body{opacity:1;transition:opacity .5s ease;}

/* Network canvas behind hero */
.hero-net{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:.5;pointer-events:none;}

/* Parallax-ready elements */
.hero-portrait,.hero .blob{will-change:transform;}

@media (max-width:900px){
  .hero .container{grid-template-columns:1fr;text-align:center;}
  .hero-portrait{order:-1;}
  .social-row,.btn-row{justify-content:center;}
  .about-grid,.contact-grid{grid-template-columns:1fr;}
  .cards-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .facts{grid-template-columns:1fr;}
}