/* ============ TOKENS ============ */
:root{
  --bg:#080b14;
  --bg-alt:#0d111f;
  --surface:#111627;
  --surface-2:#161c30;
  --border:rgba(148,163,184,.12);
  --text:#e7ecf7;
  --text-dim:#94a3b8;
  --text-faint:#5b667e;
  --violet:#8b5cf6;
  --cyan:#22d3ee;
  --pink:#f472b6;
  --green:#34d399;
  --amber:#fbbf24;
  --grad: linear-gradient(120deg,var(--violet),var(--cyan));
  --grad-soft: linear-gradient(120deg, rgba(139,92,246,.18), rgba(34,211,238,.18));
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  --radius: 18px;
  --radius-sm: 12px;
}
[data-theme="light"]{
  --bg:#f5f6fb;
  --bg-alt:#ffffff;
  --surface:#ffffff;
  --surface-2:#eef0f9;
  --border:rgba(15,23,42,.08);
  --text:#0f172a;
  --text-dim:#475569;
  --text-faint:#94a3b8;
  --shadow: 0 20px 60px -20px rgba(15,23,42,.15);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',sans-serif;
  overflow-x:hidden;
  transition:background .4s ease, color .4s ease;
}
::selection{background:var(--violet);color:#fff;}
::-webkit-scrollbar{width:10px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--surface-2);border-radius:10px;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;}
.mono{font-family:'JetBrains Mono',monospace;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
.container{max-width:1280px;margin:0 auto;padding:0 32px;}
.section{padding:120px 0;position:relative;}
@media(max-width:768px){.section{padding:80px 0;}.container{padding:0 20px;}}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:#fff;
  background:var(--grad);padding:7px 16px;border-radius:100px;
  margin-bottom:18px;
}
.section-title{font-size:clamp(28px,4vw,40px);font-weight:700;margin-bottom:8px;}
.section-head{margin-bottom:56px;}
.section-sub{color:var(--text-dim);font-size:15px;max-width:520px;}

#bg-canvas{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55;}
.noise-overlay{position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
}

.progress-track{position:fixed;top:0;left:0;right:0;height:3px;z-index:300;background:transparent;}
.progress-fill{height:100%;width:0%;background:var(--grad);box-shadow:0 0 12px rgba(139,92,246,.6);transition:width .08s linear;}

:root{ --cursor-color: var(--cyan); }
.cursor-dot, .cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:9999;border-radius:50%;transform:translate(-50%,-50%);will-change:transform;}
.cursor-dot{width:7px;height:7px;background:var(--cursor-color);transition:opacity .2s ease, background-color .3s ease;}
.cursor-ring{
  width:34px;height:34px;border:1.5px solid var(--cursor-color);opacity:.65;
  display:flex;align-items:center;justify-content:center;
  transition:width .25s ease,height .25s ease,border-color .3s ease,opacity .2s ease,background-color .3s ease;
}
.cursor-ring.grow{width:56px;height:56px;background:color-mix(in srgb, var(--cursor-color) 12%, transparent);}
.cursor-ring.label-mode{width:74px;height:74px;background:var(--cursor-color);opacity:1;border-color:transparent;}
.cursor-dot.hide{opacity:0;}
.cursor-label{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;letter-spacing:.04em;
  color:#08111f;opacity:0;transform:scale(.6);transition:opacity .2s ease, transform .2s ease;text-transform:uppercase;
}
.cursor-ring.label-mode .cursor-label{opacity:1;transform:scale(1);}
body.no-cursor .cursor-dot, body.no-cursor .cursor-ring{display:none;}
@media(hover:none),(pointer:coarse){.cursor-dot,.cursor-ring{display:none;}}
@media(prefers-reduced-motion:reduce){.cursor-dot,.cursor-ring{display:none;}}

.preloader{position:fixed;inset:0;z-index:500;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;transition:opacity .5s ease, visibility .5s ease;}
.preloader-mark{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:28px;width:64px;height:64px;border-radius:16px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px -8px rgba(139,92,246,.7);animation:pulseMark 1.6s ease-in-out infinite;}
@keyframes pulseMark{0%,100%{transform:scale(1);}50%{transform:scale(1.08);}}
.preloader-bar{width:160px;height:3px;border-radius:10px;background:var(--surface-2);overflow:hidden;}
.preloader-bar span{display:block;height:100%;width:40%;background:var(--grad);animation:preload 1.1s ease-in-out infinite;}
@keyframes preload{0%{transform:translateX(-100%);}100%{transform:translateX(350%);}}
.preloader.hide{opacity:0;visibility:hidden;}

header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(16px);
  background:rgba(8,11,20,.55);
  border-bottom:1px solid var(--border);
  transition:background .4s ease, border-color .4s ease;
}
[data-theme="light"] header{background:rgba(255,255,255,.7);}
nav{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;max-width:1280px;margin:0 auto;}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:18px;}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;color:#fff;
  box-shadow:0 8px 24px -8px rgba(139,92,246,.6);
}
.nav-links{display:flex;gap:32px;align-items:center;}
.nav-links a{
  font-size:14px;font-weight:500;color:var(--text-dim);position:relative;padding:6px 0;
  transition:color .25s ease;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad);
  transition:width .3s ease;border-radius:2px;
}
.nav-links a:hover, .nav-links a.active{color:var(--text);}
.nav-links a:hover::after, .nav-links a.active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:14px;}
.theme-toggle{
  width:52px;height:28px;border-radius:100px;background:var(--surface-2);
  border:1px solid var(--border);position:relative;padding:2px;transition:.3s;
}
.theme-toggle .knob{
  width:22px;height:22px;border-radius:50%;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;
  transition:transform .35s cubic-bezier(.68,-0.55,.27,1.55);
}
[data-theme="light"] .theme-toggle .knob{transform:translateX(24px);}
.burger{display:none;width:40px;height:40px;border-radius:10px;background:var(--surface-2);align-items:center;justify-content:center;font-size:16px;border:1px solid var(--border);}
@media(max-width:900px){
  .nav-links{position:fixed;top:70px;left:0;right:0;background:var(--bg-alt);flex-direction:column;
    padding:24px;gap:18px;border-bottom:1px solid var(--border);transform:translateY(-140%);
    transition:transform .35s ease;opacity:0;}
  .nav-links.open{transform:translateY(0);opacity:1;}
  .burger{display:flex;}
}

.hero{
  min-height:100vh;display:flex;align-items:center;padding-top:100px;position:relative;z-index:2;
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;position:relative;z-index:2;}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;}}
#projects{ overflow:hidden; }
#projects > .container{ position:relative; z-index:2; }

.projects-bg-video{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; z-index:0; pointer-events:none;
  mix-blend-mode:screen;
  opacity:.4;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 85%);
  transition:opacity .5s ease;
}
[data-theme="light"] .projects-bg-video{ opacity:0; }

.projects-sound-hint{
  position:absolute; top:24px; right:32px; z-index:3;
  width:40px; height:40px; border-radius:50%;
  background:var(--surface); border:1px solid var(--border); color:var(--text-dim);
  display:flex; align-items:center; justify-content:center; font-size:14px;
  box-shadow:var(--shadow); transition:.25s;
}
.projects-sound-hint:hover, .projects-sound-hint.active{ background:var(--grad); color:#fff; border-color:transparent; }
@media(max-width:768px){ .projects-sound-hint{ top:16px; right:16px; } }
.hero-bg-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:0;
  pointer-events:none;
  mix-blend-mode:screen;
  opacity:.5;
  mask-image:radial-gradient(ellipse 70% 65% at 50% 45%, black 45%, transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 70% 65% at 50% 45%, black 45%, transparent 85%);
  transition:opacity .5s ease;
}
[data-theme="light"] .hero-bg-video{ opacity:0; }

.hero-sound-hint{
  position:absolute; top:110px; right:32px; z-index:3;
  width:40px; height:40px; border-radius:50%;
  background:var(--surface); border:1px solid var(--border); color:var(--text-dim);
  display:flex; align-items:center; justify-content:center; font-size:14px;
  box-shadow:var(--shadow); transition:.25s;
}
.hero-sound-hint:hover, .hero-sound-hint.active{ background:var(--grad); color:#fff; border-color:transparent; }
@media(max-width:768px){ .hero-sound-hint{ top:96px; right:16px; } }

.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--cyan);}
.hero-tags span{background:var(--surface);border:1px solid var(--border);padding:5px 12px;border-radius:100px;}
.hero h1{font-size:clamp(34px,5vw,52px);line-height:1.08;font-weight:700;perspective:900px;}
.hero .hi{color:var(--text-dim);font-weight:500;font-size:20px;display:block;margin-bottom:6px;}

.hero .name{
  position:relative;
  display:inline-block;
  background:linear-gradient(120deg,var(--violet),var(--cyan),var(--pink),var(--violet));
  background-size:300% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  transform-style:preserve-3d;
  will-change:transform;
  text-shadow:
    1px 1px 0 rgba(139,92,246,.45),
    2px 2px 0 rgba(139,92,246,.35),
    3px 3px 0 rgba(34,211,238,.3),
    4px 4px 0 rgba(34,211,238,.22),
    5px 5px 14px rgba(0,0,0,.45);
  animation: shine 5s linear infinite, tilt3d 7s ease-in-out infinite, glowPulse 3.2s ease-in-out infinite;
  transition:transform .3s ease;
}
.hero .name:hover{
  transform: rotateX(8deg) rotateY(-8deg) translateZ(14px) scale(1.03);
}
@keyframes shine{to{background-position:300% center;}}
@keyframes tilt3d{
  0%,100%{ transform:rotateX(0deg) rotateY(0deg) translateZ(0); }
  25%{ transform:rotateX(6deg) rotateY(-6deg) translateZ(10px); }
  50%{ transform:rotateX(-4deg) rotateY(6deg) translateZ(4px); }
  75%{ transform:rotateX(3deg) rotateY(-3deg) translateZ(8px); }
}
@keyframes glowPulse{
  0%,100%{ filter:drop-shadow(0 0 6px rgba(139,92,246,.35)) drop-shadow(0 0 14px rgba(34,211,238,.15)); }
  50%{ filter:drop-shadow(0 0 14px rgba(139,92,246,.65)) drop-shadow(0 0 26px rgba(34,211,238,.4)); }
}

.hero-role{font-size:18px;color:var(--text-dim);margin:20px 0 14px;font-weight:500;}
.hero-role .grad-text{
  position:relative;
  font-weight:700;
  background:linear-gradient(120deg,var(--cyan),var(--violet),var(--pink),var(--cyan));
  background-size:300% auto;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shine 4s linear infinite;
}
.hero-role .grad-text::after{
  content:'';
  position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--grad);border-radius:2px;opacity:.7;
}
.hero-desc{color:var(--text-dim);font-size:15.5px;line-height:1.7;max-width:480px;margin-bottom:32px;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}
.btn{
  padding:14px 26px;border-radius:12px;font-weight:600;font-size:14.5px;
  display:inline-flex;align-items:center;gap:8px;transition:transform .25s ease, box-shadow .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -10px rgba(139,92,246,.7);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px -10px rgba(139,92,246,.85);}
.btn-outline{border:1px solid var(--border);background:var(--surface);color:var(--text);}
.btn-outline:hover{transform:translateY(-3px);border-color:var(--cyan);}
.stat-row{display:flex;gap:0;border-top:1px solid var(--border);padding-top:24px;}
.stat{flex:1;padding-right:20px;}
.stat b{font-family:'Space Grotesk',sans-serif;font-size:26px;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{font-size:12.5px;color:var(--text-dim);}
.stack-row{display:flex;gap:22px;margin-top:36px;flex-wrap:wrap;}
.stack-row i{font-size:26px;color:var(--text-dim);transition:transform .3s ease,color .3s ease;}
.stack-row i:hover{transform:translateY(-6px) scale(1.15);color:var(--cyan);}

.hero-photo-wrap{position:relative;display:flex;justify-content:center;align-items:center;gap:28px;flex-wrap:wrap;}
.orbit-ring{
  position:absolute;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(139,92,246,.35);
}
.orbit-ring.r2{width:340px;height:340px;border-color:rgba(34,211,238,.3);animation:spin 30s linear infinite;}
.orbit-ring.r3{width:480px;height:480px;border-style:dashed;border-color:rgba(148,163,184,.15);animation:spin 60s linear infinite reverse;}
@keyframes spin{to{transform:rotate(360deg);}}
.orbit-dot{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px 3px var(--cyan);}
.photo-frame{
  width:300px;height:340px;border-radius:24px;overflow:hidden;position:relative;z-index:2;
  border:2px solid rgba(255,255,255,.08);
  box-shadow:0 0 0 1px rgba(139,92,246,.2), 0 30px 60px -20px rgba(139,92,246,.4);
  background:linear-gradient(160deg,#1a2036,#0c0f1a);
}
.photo-frame .avatar-fallback{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:80px;
  background:var(--grad-soft);color:var(--violet);
}
.float-card{
  position:absolute;background:var(--surface);border:1px solid var(--border);
  border-radius:14px;padding:12px 16px;font-family:'JetBrains Mono',monospace;font-size:12.5px;
  box-shadow:var(--shadow);z-index:3;animation:floaty 5s ease-in-out infinite;
}
.float-card .dim{color:var(--text-faint);}
.float-card .kw{color:var(--pink);}
.float-card .str{color:var(--green);}
.fc1{top:38%;left:-10%;animation-delay:0s;}
.fc2{bottom:8%;right:-6%;animation-delay:1.2s;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.social-rail{position:static;display:flex;flex-direction:column;gap:16px;}
@media(max-width:640px){.social-rail{flex-direction:row;}}
.social-rail a{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--surface);
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:.25s;
}
.social-rail a:hover{background:var(--grad);color:#fff;transform:translateY(-4px);}
.scroll-cue{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  width:26px;height:42px;border:2px solid var(--border);border-radius:16px;
  display:flex;justify-content:center;padding-top:8px;z-index:2;
}
.scroll-cue span{width:4px;height:8px;border-radius:4px;background:var(--cyan);animation:scrolldown 1.6s ease infinite;}
@keyframes scrolldown{0%{opacity:1;transform:translateY(0);}100%{opacity:0;transform:translateY(14px);}}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
.stagger > *{transition-delay:calc(var(--i,0) * 90ms);}
@media(prefers-reduced-motion:reduce){
  .reveal, .reveal.in{opacity:1 !important;transform:none !important;transition:none !important;}
  *{animation-duration:.001s !important;}
  .hero .name{ animation:none !important; transform:none !important;
    text-shadow:2px 2px 0 rgba(139,92,246,.3),4px 4px 10px rgba(0,0,0,.3); }
  .hero-role .grad-text{ animation:none !important; }
  .hero-bg-video{ display:none !important; }
}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.4);box-shadow:var(--shadow);}

.section {
  perspective: 1200px;
}
.card {
  position: relative;
  z-index: 1;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out, box-shadow 0.3s ease;
  will-change: transform;
  background: var(--surface);
  border: none !important;
  box-shadow: var(--shadow);
}
@keyframes rotateBorder {
  0%   { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
.card::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 220vmax;
  height: 220vmax;
  transform: translate(-50%, -50%) rotate(0deg);
  background: conic-gradient(
    transparent,
    transparent,
    var(--violet),
    var(--cyan),
    var(--pink),
    var(--violet),
    transparent
  );
  animation: rotateBorder 3s linear infinite;
  z-index: -2;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card::after {
  content: '';
  position: absolute;
  inset: 3.5px;
  background: var(--surface);
  border-radius: calc(var(--radius) - 3.5px);
  z-index: -1;
  transition: background 0.4s ease;
}
[data-theme="light"] .card::after {
  background: #ffffff;
}
.card:hover::before {
  opacity: 1;
}
.card > * {
  transform: translateZ(15px);
  transition: transform 0.3s ease;
}

.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;}}
.about-text p{color:var(--text-dim);line-height:1.8;margin-bottom:18px;font-size:15.5px;}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
.chip{
  display:flex;align-items:center;gap:8px;padding:9px 16px;border-radius:100px;
  background:var(--surface-2);border:1px solid var(--border);font-size:13.5px;font-weight:500;
}
.chip i{color:var(--cyan);}
.about-visual{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:4/3;
  background:linear-gradient(160deg,#151a30,#0c0f1a);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;}
.about-visual .grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(139,92,246,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(139,92,246,.08) 1px,transparent 1px);background-size:32px 32px;}
.about-visual i{font-size:120px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;position:relative;z-index:1;}

.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:900px){.skills-grid{grid-template-columns:1fr;}}
.skill-cat h4{font-size:14px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;margin-bottom:18px;font-weight:600;}
.skill-icons{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px;}
.skill-icons i, .skill-icons span{
  width:44px;height:44px;border-radius:12px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;font-size:19px;color:var(--text-dim);
  transition:.25s;border:1px solid var(--border);
}
.skill-icons i:hover, .skill-icons span:hover{color:#fff;background:var(--grad);transform:translateY(-4px);}
.bar-track{height:7px;border-radius:20px;background:var(--surface-2);overflow:hidden;margin-top:8px;}
.bar-fill{height:100%;border-radius:20px;background:var(--grad);width:0%;transition:width 1.4s cubic-bezier(.16,1,.3,1);}
.bar-label{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-dim);margin-bottom:4px;}

.filter-row{display:flex;gap:10px;margin-bottom:36px;flex-wrap:wrap;}
.filter-btn{
  padding:9px 18px;border-radius:100px;border:1px solid var(--border);background:var(--surface);
  font-size:13.5px;font-weight:600;color:var(--text-dim);transition:.25s;
}
.filter-btn.active, .filter-btn:hover{background:var(--grad);color:#fff;border-color:transparent;}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
@media(max-width:960px){.projects-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:680px){.projects-grid{grid-template-columns:1fr;}}
.project-card{overflow:hidden;padding:0;display:flex;flex-direction:column;}

/* --- ENLARGED project thumbnail + real image support --- */
.project-thumb{
  height:220px;position:relative;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--surface-2),var(--bg-alt));overflow:hidden;
}
.project-thumb i{font-size:52px;color:rgba(139,92,246,.5);transition:transform .4s ease;}
.project-card:hover .project-thumb i{transform:scale(1.15) rotate(-6deg);}
.project-thumb::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 20%, rgba(34,211,238,.18), transparent 60%);pointer-events:none;}
.project-thumb img,
.project-thumb .thumb-img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .45s ease;
}
.project-card:hover .project-thumb img,
.project-card:hover .project-thumb .thumb-img{
  transform:scale(1.08);
}
.project-tag{position:absolute;top:12px;left:12px;background:var(--bg);color:var(--cyan);font-size:11px;font-weight:700;padding:5px 12px;border-radius:100px;letter-spacing:.05em;text-transform:uppercase;z-index:2;}
.project-body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column;}
.project-body h4{font-size:17px;margin-bottom:8px;}
.project-body p{color:var(--text-dim);font-size:13.8px;line-height:1.6;margin-bottom:16px;flex:1;}
.project-stack{display:flex;gap:8px;flex-wrap:wrap;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-faint);}
.project-stack span{background:var(--surface-2);padding:4px 10px;border-radius:6px;}
.projects-cta{text-align:center;margin-top:40px;}

.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:36px;border-left:2px dashed var(--border);}
.timeline-item{position:relative;padding-bottom:36px;padding-left:28px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-49px;top:0;width:34px;height:34px;border-radius:50%;background:var(--grad);
  color:#fff;font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 5px var(--bg-alt);
}
.timeline-date{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--cyan);font-weight:600;letter-spacing:.05em;}
.timeline-body h4{margin:8px 0;font-size:16.5px;}
.timeline-body p{color:var(--text-dim);font-size:14px;line-height:1.6;}
@media(max-width:600px){.timeline{padding-left:20px;}.timeline-item{padding-left:16px;}.timeline-dot{left:-33px;width:28px;height:28px;font-size:10px;}}

.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
@media(max-width:960px){.badge-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.badge-grid{grid-template-columns:1fr;}}
.badge-card{text-align:center;}
.badge-card i{font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:14px;display:inline-block;}
.badge-card h4{font-size:15px;margin-bottom:8px;}
.badge-card p{font-size:13px;color:var(--text-dim);line-height:1.6;}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:900px){.blog-grid{grid-template-columns:1fr;}}
.blog-card{padding:0;overflow:hidden;}

/* --- ENLARGED blog thumbnail + real image support --- */
.blog-thumb{
  height:190px;background:linear-gradient(135deg,var(--surface-2),var(--bg-alt));position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.blog-thumb i{font-size:38px;color:rgba(34,211,238,.5);}
.blog-thumb img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .45s ease;
}
.blog-card:hover .blog-thumb img{
  transform:scale(1.08);
}
.blog-body{padding:20px 22px 24px;}
.blog-tag{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--violet);margin-bottom:10px;display:block;}
.blog-body h4{font-size:16px;margin-bottom:8px;line-height:1.4;}
.blog-body p{font-size:13.3px;color:var(--text-dim);line-height:1.6;margin-bottom:14px;}
.blog-meta{display:flex;gap:14px;font-size:11.5px;color:var(--text-faint);}

@media(max-width:768px){
  .project-thumb{height:190px;}
  .blog-thumb{height:170px;}
}

.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px;}
.contact-icon{width:46px;height:46px;border-radius:12px;background:var(--grad-soft);color:var(--violet);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.contact-info-item h5{font-size:13px;color:var(--text-dim);margin-bottom:4px;font-weight:500;}
.contact-info-item p{font-size:14.5px;font-weight:600;display:flex;align-items:center;gap:10px;}
.copy-btn{width:26px;height:26px;border-radius:7px;background:var(--surface-2);border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:var(--text-dim);transition:.2s;}
.copy-btn:hover{color:#fff;background:var(--grad);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
@media(max-width:560px){.form-row{grid-template-columns:1fr;}}
.form-field{width:100%;background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;padding:14px 16px;color:var(--text);font-size:14px;outline:none;transition:border-color .2s;font-family:inherit;}
.form-field:focus{border-color:var(--violet);}
textarea.form-field{resize:vertical;min-height:120px;}
.form-status{font-size:13.5px;margin-top:12px;height:18px;color:var(--green);}

footer{border-top:1px solid var(--border);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px;}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:28px;}}
.footer-grid h5{font-size:14px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-dim);font-size:14px;transition:color .2s;}
.footer-links a:hover{color:var(--cyan);}
.footer-social{display:flex;gap:12px;}
.footer-social a{width:38px;height:38px;border-radius:10px;background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:.2s;}
.footer-social a:hover{background:var(--grad);color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;border-top:1px solid var(--border);font-size:13px;color:var(--text-faint);flex-wrap:wrap;gap:10px;}
.heart{color:var(--pink);}

.to-top{
  position:fixed;bottom:100px;right:28px;width:48px;height:48px;border-radius:50%;
  background:var(--surface);color:var(--text);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);z-index:90;opacity:0;transform:translateY(20px);pointer-events:none;
  transition:.35s;
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{background:var(--grad);color:#fff;border-color:transparent;}

#toast{
  position:fixed;top:90px;left:50%;transform:translate(-50%,-20px);background:var(--surface);
  border:1px solid var(--border);padding:14px 22px;border-radius:12px;font-size:14px;z-index:200;
  box-shadow:var(--shadow);opacity:0;transition:.35s;display:flex;align-items:center;gap:10px;
}
#toast.show{opacity:1;transform:translate(-50%,0);}
#toast i{color:var(--green);}

.chat-widget{position:fixed;bottom:28px;right:28px;z-index:600;display:flex;flex-direction:column;align-items:flex-end;gap:16px;pointer-events:none;}
.chat-widget .chat-fab{pointer-events:auto;}
.chat-widget .chat-panel.open{pointer-events:auto;}
.chat-fab{
  width:60px;height:60px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:22px;position:relative;
  box-shadow:0 14px 34px -10px rgba(139,92,246,.75);
  transition:transform .35s cubic-bezier(.34,1.56,.64,1), box-shadow .35s ease, filter .35s ease;
  animation:fabIntro .6s cubic-bezier(.16,1,.3,1) .3s both, fabFloat 3.4s ease-in-out 1.2s infinite;
}
@keyframes fabIntro{from{transform:scale(0) rotate(-40deg);opacity:0;}to{transform:scale(1) rotate(0);opacity:1;}}
@keyframes fabFloat{
  0%,100%{ transform:translateY(0) rotate(0deg); }
  50%{ transform:translateY(-7px) rotate(-3deg); }
}
/* periodic little "look at me" wiggle so the fab keeps drawing attention */
@keyframes fabWiggle{
  0%,100%{ transform:rotate(0deg); }
  10%{ transform:rotate(-10deg); }
  20%{ transform:rotate(9deg); }
  30%{ transform:rotate(-7deg); }
  40%{ transform:rotate(5deg); }
  50%{ transform:rotate(-3deg); }
  60%,100%{ transform:rotate(0deg); }
}
.chat-fab i{
  position:relative;z-index:2;
  transition:transform .35s cubic-bezier(.34,1.56,.64,1);
  animation:fabWiggle 5s ease-in-out 2s infinite;
}
.fab-peek{
  position:absolute;bottom:74px;right:0;max-width:220px;background:var(--surface);border:1px solid var(--border);
  padding:11px 16px;border-radius:14px 14px 4px 14px;font-size:13px;font-weight:500;box-shadow:var(--shadow);
  opacity:0;transform:translateY(8px) scale(.94);pointer-events:none;transition:opacity .35s ease, transform .35s ease;
  animation:peekBob 3.2s ease-in-out infinite;
}
.fab-peek.show{opacity:1;transform:translateY(0) scale(1);}
@keyframes peekBob{
  0%,100%{ transform:translateY(0) scale(1); }
  50%{ transform:translateY(-4px) scale(1); }
}
.fab-peek.show{ animation:none; } /* avoid fighting the show transform while visible */

/* hover state: stronger lift, playful rotate + squash/stretch, brighter glow */
.chat-fab:hover{
  animation-play-state:paused;
  transform:translateY(-8px) scale(1.12) rotate(-6deg);
  box-shadow:0 22px 48px -8px rgba(139,92,246,1), 0 0 0 6px rgba(139,92,246,.15);
  filter:brightness(1.08);
}
.chat-fab:hover i{
  animation-play-state:paused;
  transform:rotate(14deg) scale(1.12);
}
.chat-fab:active{
  transform:translateY(-2px) scale(.94) rotate(-2deg);
  transition-duration:.12s;
}

/* layered pulse rings for a richer "breathing" halo */
.chat-fab .fab-pulse{
  position:absolute;inset:0;border-radius:50%;background:var(--grad);opacity:.55;
  animation:fabPulse 2.4s ease-out infinite;
}
.chat-fab .fab-pulse::after{
  content:'';
  position:absolute;inset:0;border-radius:50%;background:var(--grad);
  animation:fabPulse 2.4s ease-out 1.2s infinite;
}
@keyframes fabPulse{0%{transform:scale(1);opacity:.5;}100%{transform:scale(1.75);opacity:0;}}
.chat-fab:hover .fab-pulse,
.chat-fab:hover .fab-pulse::after{
  animation-duration:1.3s;
}

.chat-fab.open i{transform:rotate(90deg) scale(0);animation:none;}
.chat-fab.open::before{
  content:'\f00d';font-family:"Font Awesome 6 Free";font-weight:900;position:relative;z-index:2;
  animation:fabIconIn .35s cubic-bezier(.34,1.56,.64,1) both;
}
.chat-fab.open{ animation:none; }
@keyframes fabIconIn{from{transform:rotate(-90deg) scale(0);opacity:0;}to{transform:rotate(0) scale(1);opacity:1;}}

@media(prefers-reduced-motion:reduce){
  .chat-fab, .chat-fab i, .fab-peek{ animation:none !important; }
}

.chat-panel{
  width:min(370px, calc(100vw - 40px));height:min(540px, calc(100vh - 160px));
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  box-shadow:0 30px 70px -20px rgba(0,0,0,.55);overflow:hidden;
  display:flex;flex-direction:column;
  transform:translateY(16px) scale(.96);opacity:0;pointer-events:none;
  transition:transform .3s cubic-bezier(.16,1,.3,1), opacity .25s ease;
  transform-origin:bottom right;
}
.chat-panel.open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto;}
.chat-panel-head{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border);
  background:var(--grad-soft);flex-shrink:0;
}
.chat-panel-title{flex:1;}
.cpt-name{font-weight:700;font-size:14.5px;}
.cpt-status{font-size:11.5px;color:var(--green);}
.chat-close{width:32px;height:32px;border-radius:9px;background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-dim);transition:.2s;flex-shrink:0;}
.chat-close:hover{background:var(--grad);color:#fff;}
.chat-frame{flex:1;width:100%;border:0;background:var(--surface);}

@media(max-width:520px){
  .chat-widget{right:16px;bottom:16px;}
  .chat-panel{position:fixed;right:16px;bottom:92px;}
}

/* ============================================================
   ADDITIONS — multi-page site: page heroes, sound buttons,
   clickable cards, detail pages, avatar monogram
   ============================================================ */

/* Card-as-link resets (project/blog/skill cards are now <a> tags) */
.card.project-card, .card.blog-card, .card.skill-cat {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.card.skill-cat { display:block; }

/* Avatar monogram used as the demo profile photo */
.photo-frame svg { width:100%; height:100%; }
.about-visual svg { position:relative; z-index:1; border-radius:16px; }

/* ============ PAGE HERO (banner used on every standalone page) ============ */
.page-hero{
  position:relative; overflow:hidden;
  padding:150px 0 64px; margin-top:0;
  display:flex; align-items:flex-end;
  min-height:320px;
}
.page-hero-video{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; z-index:0; pointer-events:none;
  mix-blend-mode:screen; opacity:.42;
  mask-image:radial-gradient(ellipse 75% 70% at 50% 35%, black 40%, transparent 88%);
  -webkit-mask-image:radial-gradient(ellipse 75% 70% at 50% 35%, black 40%, transparent 88%);
  transition:opacity .5s ease;
}
[data-theme="light"] .page-hero-video{ opacity:0; }
.page-hero-inner{ position:relative; z-index:2; }
.page-hero-sound{
  position:absolute; top:110px; right:32px; z-index:3;
  width:40px; height:40px; border-radius:50%;
  background:var(--surface); border:1px solid var(--border); color:var(--text-dim);
  display:flex; align-items:center; justify-content:center; font-size:14px;
  box-shadow:var(--shadow); transition:.25s;
}
.page-hero-sound:hover, .page-hero-sound.active{ background:var(--grad); color:#fff; border-color:transparent; }
@media(max-width:768px){
  .page-hero{ padding:120px 0 48px; min-height:240px; }
  .page-hero-sound{ top:88px; right:16px; }
}
@media(prefers-reduced-motion:reduce){ .page-hero-video{ display:none !important; } }

/* ============ DETAIL PAGES (project / blog / skill single view) ============ */
.detail-hero{
  padding:150px 0 48px;
  background:var(--bg-alt);
  border-bottom:1px solid var(--border);
}
.back-link{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13.5px; font-weight:600; color:var(--text-dim);
  margin-bottom:18px; transition:color .2s ease;
}
.back-link:hover{ color:var(--cyan); }
.detail-content p{ color:var(--text-dim); line-height:1.8; font-size:15.5px; margin-bottom:18px; white-space:pre-line; }
.detail-content ul{ color:var(--text-dim); line-height:1.8; font-size:15.5px; margin:0 0 18px 22px; }
.detail-content li{ margin-bottom:6px; }
@media(max-width:768px){ .detail-hero{ padding:120px 0 36px; } }

/* social rail also usable inline (contact page) */
.social-inline{ display:flex; gap:12px; }

/* ============================================================
   NEW: animated hover tooltips on every clickable icon
   (call / email / linkedin / github / x — home rail, footer,
   contact page) + a click ripple feedback effect
   ============================================================ */
[data-tooltip]{ position:relative; }
[data-tooltip]::after{
  content:attr(data-tooltip);
  position:absolute;
  bottom:calc(100% + 10px);
  left:50%;
  transform:translate(-50%,6px);
  background:var(--surface);
  color:var(--text);
  border:1px solid var(--border);
  padding:6px 12px;
  border-radius:8px;
  font-size:11.5px;
  font-weight:600;
  white-space:nowrap;
  box-shadow:var(--shadow);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease, transform .25s ease;
  z-index:20;
}
[data-tooltip]::before{
  content:'';
  position:absolute;
  bottom:calc(100% + 4px);
  left:50%;
  transform:translateX(-50%);
  border:5px solid transparent;
  border-top-color:var(--border);
  opacity:0;
  transition:opacity .25s ease;
  z-index:20;
}
[data-tooltip]:hover::after{ opacity:1; transform:translate(-50%,0); }
[data-tooltip]:hover::before{ opacity:1; }

/* contact-icon is now a clickable link (call / email) */
a.contact-icon{ cursor:pointer; transition:transform .25s ease, background .3s ease, color .3s ease; }
a.contact-icon:hover{ background:var(--grad); color:#fff; transform:translateY(-4px) scale(1.06); }

/* subtle "ready to click" pulse ring on the phone + email contact icons */
a.contact-icon::before{
  content:'';
  position:absolute;
  inset:-4px;
  border-radius:inherit;
  border:1.5px solid var(--violet);
  opacity:0;
  animation:contactPulse 2.6s ease-out infinite;
}
a.contact-icon:nth-child(1)::before{ animation-delay:0s; }
@keyframes contactPulse{
  0%{ opacity:.5; transform:scale(1); }
  100%{ opacity:0; transform:scale(1.35); }
}
@media(prefers-reduced-motion:reduce){ a.contact-icon::before{ animation:none; } }

/* click ripple (added dynamically by script.js) */
.ripple{
  position:absolute;
  border-radius:50%;
  background:rgba(255,255,255,.55);
  transform:scale(0);
  animation:rippleAnim .6s ease-out forwards;
  pointer-events:none;
}
@keyframes rippleAnim{
  to{ transform:scale(2.6); opacity:0; }
}
.social-icon, a.contact-icon, .chat-fab, .copy-btn{ overflow:hidden; }

/* ============ HOME PAGE CTA BAND (expanded home page) ============ */
.cta-band{ background:var(--grad-soft); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.cta-band-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:28px; }
@media(max-width:768px){ .cta-band-inner{ flex-direction:column; align-items:flex-start; } }

/* ===== FIX: make icon links always clickable, no matter what's layered near them ===== */
.social-icon,
.social-rail a,
.footer-social a,
a.contact-icon {
  position: relative;
  z-index: 50;
  pointer-events: auto !important;
  cursor: pointer !important;
}

[data-tooltip]::after,
[data-tooltip]::before {
  pointer-events: none !important;
}

.orbit-ring,
.orbit-dot,
.float-card,
.photo-frame svg,
.about-visual svg,
.about-visual i,
.grid-lines {
  pointer-events: none;
}

.ripple {
  pointer-events: none !important;
}

.cursor-dot, .cursor-ring {
  pointer-events: none !important;
}

/* ============ PROFILE PHOTO (real image, with graceful fallback) ============ */
.profile-img{ width:100%; height:100%; object-fit:cover; display:block; }
.profile-img-round{ border-radius:16px; }

/* if assets/profile.jpg is missing, onerror adds this class and shows a monogram instead */
.photo-frame.photo-fallback,
.about-visual.photo-fallback{
  display:flex; align-items:center; justify-content:center;
  background:var(--grad-soft);
}
.photo-frame.photo-fallback::after{
  content:'PK';
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:80px; color:var(--violet);
}
.about-visual.photo-fallback::after{
  content:'PK';
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:56px; color:var(--violet);
  position:relative; z-index:1;
}

/* ============================================================
   PROFILE PHOTO — reuses the exact same rotating-border + lift
   hover effect every other card on the site already has (.card).
   No separate tilt effect — this is literally the shared card style.
   ============================================================ */
.photo-frame.card{
  padding:0;
  z-index:2;
  background:linear-gradient(160deg,#1a2036,#0c0f1a);
}
.photo-frame.card::after{
  background:transparent;   /* the real photo underneath masks the center, same visual result as the surface-color mask other cards use */
}
.photo-frame-inner{
  position:absolute;
  inset:3.5px;
  overflow:hidden;
  border-radius:calc(24px - 3.5px);
  z-index:1;
}

/* fallback monogram repositioned to overlay the whole frame correctly
   now that the image sits inside an inner wrapper */
.photo-frame.photo-fallback::after{
  content:'PK';
  position:absolute; inset:0; z-index:2;
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:80px; color:var(--violet);
  background:var(--grad-soft); border-radius:22px;
}

@media(prefers-reduced-motion:reduce){
  .photo-frame{ transform:none !important; }
}

/* remove the rotating rainbow border specifically from the profile photo —
   keep the rest of the shared card hover (lift, shadow, border highlight) */
.photo-frame.card::before{ content:none; }

/* full-width About text — no side photo panel, used on the About page
   and the home page's About preview */
.about-grid-full{ display:block; max-width:760px; }