/* ---------------------------
   Global / Theme Tokens
---------------------------- */
:root{
  --aqua: #36f5d6;
  --aqua2:#12d6ff;
  --purple: #4620f0; 
  --purple2: #692cf7;  
  --bg: #ffffff;
  --text:#0b0f14;
  --muted:#5a6675;
  --card: rgba(255,255,255,.65);
  --stroke: rgba(10,20,30,.12);
  --shadow: 0 24px 70px rgba(0,0,0,.10);
  --glass: blur(14px);
  --ring: rgba(54,245,214,.45);
  --ring2: rgba(124, 70, 252, 0.45);
  --border: rgba(124, 70, 252, 0.45);
  --radius: 22px;
  --max: 1120px;

  --ease: cubic-bezier(.2,.9,.2,1);
}

html[data-theme="dark"]{
  --bg: #070b10;
  --text:#eef4ff;
  --muted:#a9b4c6;
  --card: rgba(10,14,20,.55);
  --stroke: rgba(255,255,255,.10);
  --shadow: 0 24px 80px rgba(0,0,0,.45);
  --ring: rgba(54,245,214,.35);
  --ring2: rgba(124, 70, 252, 0.45);
}

* { box-sizing: border-box; }

html {
  overflow-y: scroll;      /* always use html as the scroller */
  overflow-x: hidden;
  height: auto;            /* don’t lock to 100% */
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;      /* keep only x hidden */
  overflow-y: visible;     /* IMPORTANT for sticky reliability */
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}


a{color:inherit;text-decoration:none}
strong{font-weight:700}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}
.section{padding:84px 0}
.muted{color:var(--muted)}
.accent{color:var(--purple2)}
.link{color:var(--purple); text-decoration:underline; text-underline-offset:4px; opacity:.9}
.link:hover{opacity:1}

::selection{background:rgba(83, 54, 245, 0.25)}

/* ---------------------------
   Background FX
---------------------------- */
.bg-blobs{position:fixed; inset:0; z-index:-2; pointer-events:none; overflow:hidden}
.blob{
  position:absolute; width:520px; height:520px;
  filter: blur(50px);
  opacity:.35;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, var(--purple), transparent 55%),
              radial-gradient(circle at 70% 70%, var(--purple2), transparent 55%);
  animation: floaty 18s var(--ease) infinite;
}
.b1{left:-180px; top:-180px}
.b2{right:-200px; bottom:-200px; animation-duration:22s}
.grid-sheen{
  position:absolute; inset:-2px;
  background:
    linear-gradient(to bottom, rgba(255,255,255,.05), transparent 22%),
    radial-gradient(circle at 50% -10%, rgba(54,245,214,.10), transparent 40%),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  opacity: .55;
  mix-blend-mode: overlay;
}
html[data-theme="dark"] .grid-sheen{opacity:.28}

@keyframes floaty{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(40px,30px,0) scale(1.05)}
  100%{transform:translate3d(0,0,0) scale(1)}
}

/* ---------------------------
   Navbar
---------------------------- */
.nav-wrap{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  backdrop-filter: var(--glass);
  background: linear-gradient(to bottom, rgba(255,255,255,.75), rgba(255,255,255,.35));
  border-bottom: 1px solid var(--stroke);
}

main { padding-top: 70px; }
html[data-theme="dark"] .nav-wrap{
  background: linear-gradient(to bottom, rgba(10,14,20,.72), rgba(10,14,20,.30));
}

.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:70px;
}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.2px}
.brand-dot{
  width:10px; height:10px; border-radius:50%;
  background: var(--purple);
  box-shadow: 0 0 0 6px rgba(54,245,214,.12);
}
.nav-links{
  display:flex; align-items:center; gap:18px;
  padding:10px 12px;
  border:1px solid var(--stroke);
  border-radius: 999px;
  background: rgba(255,255,255,.35);
}
html[data-theme="dark"] .nav-links{background: rgba(10,14,20,.35)}
.nav-links a{opacity:.88; font-weight:600; font-size:14px}
.nav-links a:hover{opacity:1}

.pill{
  padding:10px 12px;
  border-radius:999px;
  background: rgba(89, 54, 245, 0.14);
  border:1px solid rgba(105, 54, 245, 0.22);
}
.nav-actions{display:flex; align-items:center; gap:10px}

.icon-btn{
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.35);
  color: var(--text);
  height:42px; width:42px;
  border-radius:999px;
  display:grid; place-items:center;
  cursor:pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
html[data-theme="dark"] .icon-btn{background: rgba(10,14,20,.35)}
.icon-btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(0,0,0,.10);
}
.toggle-icon{font-size:16px}

.burger{display:none; padding:0; position:relative}
.burger span{
  position:absolute; width:18px; height:2px; background: var(--text);
  border-radius:4px;
}
.burger span:nth-child(1){transform: translateY(-6px)}
.burger span:nth-child(2){opacity:.9}
.burger span:nth-child(3){transform: translateY(6px)}

/* ---------------------------
   Buttons
---------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 16px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.35);
  font-weight:700;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
html[data-theme="dark"] .btn{background: rgba(10,14,20,.35)}
.btn:hover{transform: translateY(-2px); box-shadow: var(--shadow)}
.btn.primary{
  background: linear-gradient(135deg, rgba(83, 54, 245, 0.95), rgba(54, 18, 255, 0.7));
  border-color: var(--border);
}
.btn.ghost{
  background: transparent;
  border-color: var(--border);
}

/* ---------------------------
   Hero
---------------------------- */
.hero{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 28px;
  align-items:center;
  padding-top: 54px;
}
.kicker{
  display:inline-flex; gap:8px; align-items:center;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--border);
  background: rgba(121, 54, 245, 0.1);
  font-weight:700;
  font-size:12px;
  letter-spacing:.2px;
}
.hero-title{
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.02;
  margin: 16px 0 12px;
  letter-spacing: -1px;
}
.hero-sub{font-size:16px; line-height:1.6; max-width:52ch}
.hero-cta{display:flex; gap:12px; margin: 18px 0 22px}

.hero-metrics{
  display:flex; gap:14px; flex-wrap:wrap;
}
.metric{
  flex: 1 1 160px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.25);
  border-radius: var(--radius);
  padding:14px 14px;
}
html[data-theme="dark"] .metric{background: rgba(10,14,20,.25)}
.metric-num{font-size:22px; font-weight:900}
.metric-label{font-size:12px; color:var(--muted); margin-top:4px}

/* Glass card */
.glass-card{
  border-radius: calc(var(--radius) + 10px);
  border: 1px solid rgba(83, 54, 245, 0.18);
  background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.22));
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass);
  overflow:hidden;
  position:relative;
}
html[data-theme="dark"] .glass-card{
  background: linear-gradient(180deg, rgba(10,14,20,.60), rgba(10,14,20,.28));
}
.glass-card::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(circle at 20% 10%, rgba(67, 54, 245, 0.22), transparent 42%),
              radial-gradient(circle at 80% 50%, rgba(67, 54, 245, 0.22), transparent 48%);
  pointer-events:none;
}
.glass-top, .glass-footer{
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 16px;
  border-bottom: 1px solid rgba(255,255,255,.20);
}
html[data-theme="dark"] .glass-top,
html[data-theme="dark"] .glass-footer{
  border-bottom:1px solid rgba(255,255,255,.08);
}
.glass-footer{border-bottom:none; border-top:1px solid rgba(255,255,255,.20)}
html[data-theme="dark"] .glass-footer{border-top:1px solid rgba(255,255,255,.08)}

.chip{
  font-size:12px;
  font-weight:800;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.18);
}
html[data-theme="dark"] .chip{border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.06)}

.glass-body{padding:18px 16px 16px; position:relative}
.avatar{
  width:90px; height:90px; margin-bottom:14px;
  position:relative;
}
.avatar-ring{
  position:absolute; inset:-4px;
  border-radius:999px;
  background: conic-gradient(from 180deg, var(--purple), rgba(255,255,255,.0), var(--purple2));
  filter: blur(.2px);
  animation: spin 6s linear infinite;
}
.avatar-inner{
  position:absolute; inset:6px;
  border-radius:999px;
  display:grid; place-items:center;
  font-weight:900;
  background: rgba(0,0,0,.08);
  border: 1px solid rgba(255,255,255,.18);
}
html[data-theme="dark"] .avatar-inner{background: rgba(255,255,255,.06)}
@keyframes spin{to{transform:rotate(360deg)}}

.quick{list-style:none; margin:0; padding:0; display:grid; gap:10px}
.dot{display:inline-block; width:8px; height:8px; border-radius:50%; background: var(--purple); margin-right:10px; box-shadow: 0 0 0 6px rgba(54,245,214,.12)}
.social{display:flex; gap:10px; margin-top:14px; flex-wrap:wrap}
.social-btn{
  padding:10px 12px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.20);
  font-weight:700;
  font-size:13px;
}
html[data-theme="dark"] .social-btn{background: rgba(255,255,255,.06)}

.status{display:flex; gap:10px; align-items:center; font-weight:800}
.ping{
  width:10px; height:10px; border-radius:50%;
  background: var(--purple);
  box-shadow: 0 0 0 10px rgba(54,245,214,.10);
  animation: ping 1.5s var(--ease) infinite;
}
@keyframes ping{
  0%{box-shadow:0 0 0 0 rgba(83, 54, 245, 0.28)}
  70%{box-shadow:0 0 0 14px rgba(54,245,214,.00)}
  100%{box-shadow:0 0 0 0 rgba(54,245,214,.00)}
}
.tiny{font-size:12px; color:var(--muted)}

/* ---------------------------
   Section headings
---------------------------- */
.section-head h2{
  font-size: 30px;
  margin:0 0 8px;
  letter-spacing:-.6px;
}
.section-head p{margin:0 0 22px}



/* ---------------------------
   Skills (single interactive)
---------------------------- */
.skills-shell{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  align-items:start;
}

.skills-left{
  border-radius: var(--radius);
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.22);
  padding:16px;
  overflow:hidden;
}
html[data-theme="dark"] .skills-left{background: rgba(10,14,20,.25)}

.pie{
  --pct: 50;
  width: 140px; height: 140px;
  border-radius: 999px;
  margin: 8px 0 14px;
  display:grid; place-items:center;
  background:
    radial-gradient(circle at 50% 50%, var(--bg) 58%, transparent 59%),
    conic-gradient(var(--purple) calc(var(--pct)*1%), rgba(255,255,255,.10) 0);
  border: 1px solid rgba(73, 54, 245, 0.18);
  box-shadow: 0 0 0 10px rgba(54,245,214,.06);
  transition: transform .35s var(--ease);
}
html[data-theme="dark"] .pie{
  background:
    radial-gradient(circle at 50% 50%, var(--bg) 58%, transparent 59%),
    conic-gradient(var(--purple) calc(var(--pct)*1%), rgba(255,255,255,.08) 0);
}
.pie--lg{ width: 160px; height: 160px; }

.pie-label{display:grid; place-items:center; gap:2px}
.pie-label strong{font-size:22px}
.pie-label small{font-size:12px; color:var(--muted); font-weight:800}

.donut{
  position: relative;
  width: 190px;
  height: 190px;
  margin: 6px 0 12px;
}

.donut-svg{
  width: 190px;
  height: 190px;
  transform: rotate(-90deg);
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.08));
}

.donut-center{
  position:absolute;
  inset: 0;
  display:grid;
  place-items:center;
  text-align:center;
  pointer-events:none;
}

.donut-center strong{
  font-size: 14px;
  font-weight: 900;
  letter-spacing: -.2px;
}

.donut-center small{
  font-size: 12px;
  font-weight: 800;
}

.donut-seg{
  fill: none;
  stroke-width: 12;
  stroke-linecap: butt;
  cursor: pointer;
  opacity: .92;
  transition: opacity .2s var(--ease), stroke-width .2s var(--ease);
}

.donut-seg:hover{
  opacity: 1;
  stroke-width: 14;
}

/* Icons positioned around the ring */
.donut-icons{
  position:absolute;
  inset: 0;
  pointer-events:none; /* let hover hit the segments */
}

.donut-icon{
  position:absolute;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255,255,255,.55);
  border: 1px solid var(--stroke);
  backdrop-filter: var(--glass);
  padding: 4px;
  transform: translate(-50%, -50%);
}

html[data-theme="dark"] .donut-icon{
  background: rgba(10,14,20,.55);
}

/* Tooltip */
.donut-tip{
  position: absolute;
  left: 50%;
  top: -8px;
  transform: translate(-50%, -100%);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.75);
  backdrop-filter: var(--glass);
  font-size: 12px;
  font-weight: 900;
  opacity: 0;
  pointer-events:none;
  transition: opacity .15s var(--ease), transform .15s var(--ease);
  white-space: nowrap;
}

html[data-theme="dark"] .donut-tip{
  background: rgba(10,14,20,.72);
}

.donut-tip.is-visible{
  opacity: 1;
  transform: translate(-50%, -115%);
}

.skills-desc{
  margin: 0;
  max-width: 52ch;
}

.skills-right{
  display:grid;
  gap: 10px;
}

.skill-pill{
  width: 100%;
  text-align:left;
  border-radius: 999px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.18);
  padding: 10px 12px;
  font-weight: 800;
  color: var(--text);
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
html[data-theme="dark"] .skill-pill{ background: rgba(10,14,20,.22); }

.skill-pill:hover{ transform: translateY(-1px); }

.skill-pill.is-active{
  border-color: rgba(73, 54, 245, 0.35);
  background: rgba(73, 54, 245, 0.10);
}

.skills-icons{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin: 2px 0 12px;
}

.tech-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.18);
  font-size: 12px;
  font-weight: 800;
  color: var(--text);
}

html[data-theme="dark"] .tech-chip{
  background: rgba(10,14,20,.20);
}

.tech-dot{
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 0 6px rgba(54,245,214,.10);
}
.tech-icon{
  width: 16px;
  height: 16px;
  object-fit: contain;
  display: block;
}


.skills-soft{
  margin-top: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.18);
  padding: 16px;
}
html[data-theme="dark"] .skills-soft{ background: rgba(10,14,20,.20); }

.skills-soft-title{
  margin: 0 0 12px;
  letter-spacing: -.3px;
}

.soft-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.soft-item{
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.14);
  padding: 12px;
}
html[data-theme="dark"] .soft-item{ background: rgba(10,14,20,.18); }

.soft-kicker{
  font-weight: 900;
  font-size: 12px;
  letter-spacing: .2px;
  margin-bottom: 6px;
  color: var(--text);
}

@media (max-width: 720px){
  .soft-grid{ grid-template-columns: 1fr; }
}


/* Responsive */
@media (max-width: 900px){
  .skills-shell{ grid-template-columns: 1fr; }
  .skills-right{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px){
  .skills-right{ grid-template-columns: 1fr; }
}


/* ---------------------------
   Projects cards
---------------------------- */
.cards-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card{
  border-radius: var(--radius);
  border: 1px solid rgba(73, 54, 245, 0.14);
  background: linear-gradient(180deg, rgba(255,255,255,.32), rgba(255,255,255,.14));
  padding: 18px;
  position:relative;
  overflow:hidden;
  transform-style:preserve-3d;
}
html[data-theme="dark"] .card{
  background: linear-gradient(180deg, rgba(10,14,20,.55), rgba(10,14,20,.22));
}
.card::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 30%), rgba(54,245,214,.22), transparent 45%);
  opacity:.0;
  transition: opacity .25s var(--ease);
  pointer-events:none;
}
.card:hover::before{opacity:1}
.card-top{display:flex; gap:8px; align-items:center; margin-bottom:10px}
.tag{
  font-size:12px; font-weight:900;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(89, 54, 245, 0.22);
  background: rgba(54,245,214,.10);
}
.tag.ghost{
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.10);
}
html[data-theme="dark"] .tag.ghost{border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.06)}
.card h3{margin:0 0 8px; letter-spacing:-.4px}
.card-actions{display:flex; gap:14px; margin-top:12px}

/* ---------------------------
   Timeline (Roles)
---------------------------- */
.timeline{display:grid; gap:14px}
.t-item{display:grid; grid-template-columns: 18px 1fr; gap:14px; align-items:flex-start}
.t-dot{
  width:14px; height:14px; margin-top:10px;
  border-radius:50%;
  background: var(--purple);
  box-shadow: 0 0 0 10px rgba(73, 54, 245, 0.1);
}
.t-content{
  border:1px solid var(--stroke);
  border-radius: var(--radius);
  background: rgba(255,255,255,.18);
  padding:16px;
}
html[data-theme="dark"] .t-content{background: rgba(10,14,20,.20)}
.t-top{display:flex; justify-content:space-between; gap:10px; align-items:baseline}
.t-time{font-size:12px; font-weight:800; color:var(--muted)}
.t-content ul{margin:10px 0 0; padding-left:18px}
.t-content li{margin:6px 0}

.role-link{
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(73, 54, 245, 0.35);
  font-weight: inherit;
}

.role-link:hover{
  border-bottom-color: var(--purple);
  opacity: 0.95;
}

/* ---------------------------
   Education
---------------------------- */

.edu-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.edu-card{
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.18);
  padding: 16px;
}

html[data-theme="dark"] .edu-card{
  background: rgba(10,14,20,.20);
}

/* Stack on mobile */
@media (max-width: 900px){
  .edu-grid{ grid-template-columns: 1fr; }
}

.edu-head{
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  align-items: start;            
}

.edu-logo{
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255,255,255,.6);
  border: 1px solid var(--stroke);
  padding: 6px;
  margin-top: 2px;               
}

html[data-theme="dark"] .edu-logo{
  background: rgba(10,14,20,.6);
}

.edu-text h3{
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

.edu-text .muted{
  margin-top: 2px;
  line-height: 1.3;
}

.edu-meta{
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}


.edu-card h3{
  margin: 0;
  line-height: 1.15;
  letter-spacing: -.2px;
}



.edu-meta .edu-dates{
  color: color-mix(in oklab, var(--muted) 70%, var(--purple2) 30%);
  font-weight: 700;
}


.edu-card p{
  margin: 10px 0 0 66px; 
  line-height: 1.5;
}


html[data-theme="dark"] .edu-logo{
  background: rgba(10,14,20,.6);
}

/* ---------------------------
   Blog / Masonry
---------------------------- */
.masonry{
  columns: 3;
  column-gap: 14px;
}
.post{
  break-inside: avoid;
  margin-bottom: 14px;
  border-radius: var(--radius);
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.18);
  height: 550px; 
  overflow:hidden;
}
html[data-theme="dark"] .post{background: rgba(10,14,20,.20)}
.post-img{
  height: 300px;
  display:grid; place-items:center;
  border-bottom:1px solid var(--stroke);
  background:
    radial-gradient(circle at 20% 20%, rgba(83, 54, 245, 0.22), transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(69, 18, 255, 0.18), transparent 55%),
    rgba(0,0,0,.04);
     position: relative;
  overflow: hidden;
}
.img-placeholder{
  font-weight:900;
  opacity:.75;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
}
.post-body{padding:14px}
.post-body h3{margin:0 0 8px}
.post-meta{margin-top:10px; font-size:12px; color:var(--muted); font-weight:800}

/* ---- Blog Enhancements ---- */
.post-img.glow{
  position:relative;
  overflow:hidden;
}

.post-img.glow::after{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(circle at 30% 20%, rgba(111, 54, 245, 0.35), transparent 45%);
  opacity:0;
  transition: opacity .3s var(--ease);
  pointer-events:none;
}

.post:hover .post-img.glow::after{
  opacity:1;
}

.badge{
  position:absolute;
  top:12px;
  left:12px;
  font-size:12px;
  font-weight:900;
  padding:6px 10px;
  border-radius:999px;
  background: rgba(83, 54, 245, 0.2);
  border:1px solid var(--border);
  backdrop-filter: blur(8px);
}

/* ---- Switchable images ---- */
.switchable{
  position:relative;
}

.switch-img{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  opacity:0;
  transition: opacity .4s var(--ease);
}

.switch-img.active{
  opacity:1;
  position:relative;
}

.switch-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;          
  object-position: center;
  display: block;
}
.switch-controls{
  position:absolute;
  bottom:10px;
  right:10px;
  display:flex;
  gap:6px;
}

.switch-btn{
  width:10px;
  height:10px;
  border-radius:50%;
  border:none;
  background: rgba(255,255,255,.4);
  cursor:pointer;
}

.switch-btn.active{
  background: var(--purple);
  box-shadow: 0 0 0 6px rgba(95, 54, 245, 0.25);
}


/* ---------------------------
   Contact / Footer
---------------------------- */
.contact-card{
  border-radius: calc(var(--radius) + 8px);
  border:1px solid rgba(83, 54, 245, 0.18);
  background: linear-gradient(180deg, rgba(255,255,255,.40), rgba(255,255,255,.16));
  padding:22px;
  box-shadow: var(--shadow);
}
html[data-theme="dark"] .contact-card{
  background: linear-gradient(180deg, rgba(10,14,20,.62), rgba(10,14,20,.26));
}
.contact-actions{display:flex; gap:12px; margin-top:14px; flex-wrap:wrap}
.footer{
  display:flex; justify-content:space-between; align-items:center;
  padding: 32px 18px 44px;
  border-top:1px solid var(--stroke);
}

/* ---------------------------
   Reveal animations
---------------------------- */
.reveal{
  opacity:0;
  transform: translateY(16px) scale(.99);
  filter: blur(6px);
  transition: opacity .7s var(--ease), transform .7s var(--ease), filter .7s var(--ease);
}
.reveal.is-visible{
  opacity:1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* ---------------------------
   Responsive
---------------------------- */
@media (max-width: 980px){
  .hero{grid-template-columns:1fr; padding-top:34px}
  .skills-grid{grid-template-columns: repeat(2, 1fr)}
  .cards-grid{grid-template-columns:1fr}
  .masonry{columns:2}
  .nav-links{display:none}
  .burger{display:grid; place-items:center}
  .nav-links.open{
    display:flex;
    position:absolute;
    top:72px; left:18px; right:18px;
    flex-direction:column;
    gap:10px;
    padding:14px;
    border-radius: var(--radius);
    background: rgba(255,255,255,.70);
    backdrop-filter: var(--glass);
  }
  html[data-theme="dark"] .nav-links.open{background: rgba(10,14,20,.72)}
}
@media (max-width: 520px){
  .skills-grid{grid-template-columns: 1fr}
  .masonry{columns:1}
}

.to-top{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;

  width: 46px;
  height: 46px;
  border-radius: 999px;

  display: grid;
  place-items: center;

  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.55);
  backdrop-filter: var(--glass);
  box-shadow: 0 18px 40px rgba(0,0,0,.12);

  font-weight: 900;
  text-decoration: none;
  color: var(--text);

  opacity: 0;
  transform: translateY(8px) scale(.98);
  pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}

html[data-theme="dark"] .to-top{
  background: rgba(10,14,20,.55);
}

.to-top:hover{
  transform: translateY(0) scale(1.03);
}

.to-top.is-visible{
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}