/* Base styles */
:root{
  --bg:#050505;
  --muted:#d9d9d9;
  --accent:#f0f0f0;
  --card-bg: rgba(255,255,255,0.03);
  --rad:20px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color:var(--accent);
  background:var(--bg);
  position:relative;
  overflow-x:hidden;
  padding-top:60px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Grid canvas background */
#grid-canvas{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:0;
}

body > *:not(#grid-canvas){
  position:relative;
  z-index:1;
}

/* Header - Simple and works */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  width:100%;
  z-index:1001;
  background:#000;
  padding:0;
  margin:0;
  display:flex;
  justify-content:center;
  gap:0;
  border-bottom:1px solid rgba(255,255,255,0.1);
}

.site-header a{
  color:var(--accent);
  text-decoration:none;
  font-weight:600;
  padding:20px 28px;
  display:inline-block;
  cursor:pointer;
  white-space:nowrap;
  border:none;
  transition:background .2s;
}

.site-header a:hover{
  background:rgba(255,255,255,0.08);
}

.site-header a:active{
  background:rgba(255,255,255,0.12);
}

/* Hero */
.hero-wrapper{min-height:85vh;display:flex;align-items:center;padding:20px 0;margin-top:-50px;justify-content:center}
.hero{display:grid;grid-template-columns:1fr minmax(auto, 420px);align-items:center;gap:32px;padding:40px 20px;background:linear-gradient(218deg, #1d044e85 0%, #03030e 50%, #3a049185 100%);background-size:200% 200%;border-radius:12px;width:100%;max-width:1100px;animation:gradientShift 20s ease-in-out infinite}

@keyframes gradientShift{
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}

/* Animated portrait ring with gradient waves */
@keyframes ringSpin{
  0% { transform: translate(-50%,-50%) rotate(0deg); }
  100% { transform: translate(-50%,-50%) rotate(360deg); }
}
@keyframes wave{
  0%, 100% { border-radius: 60% 40% 50% 50% / 50% 60% 40% 50%; }
  25% { border-radius: 40% 60% 50% 50% / 60% 40% 60% 40%; }
  50% { border-radius: 50% 50% 40% 60% / 40% 50% 50% 60%; }
  75% { border-radius: 50% 50% 60% 40% / 60% 40% 50% 50%; }
}

.hero-text h1{font-size:clamp(20px, 4vw, 28px);margin:0 0 12px 0;font-weight:600;animation:fadeInUp .7s cubic-bezier(.2,.9,.3,1) .2s both}
.hero-text p{line-height:1.6;color:var(--muted);max-width:540px;font-size:clamp(13px, 2.5vw, 16px);animation:fadeInUp .7s cubic-bezier(.2,.9,.3,1) .3s both}
@keyframes fadeInUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero-text a{color:var(--accent);text-decoration:underline;transition:color .4s cubic-bezier(.2,.9,.3,1), text-decoration-color .4s cubic-bezier(.2,.9,.3,1), text-shadow .4s ease}
.hero-text a:hover{color:#fff;text-decoration-color:transparent;text-shadow:0 0 6px rgba(255,255,255,0.4)}

.hero-image{display:flex;justify-content:center;align-items:center;width:100%;max-width:min(420px, 38vw)}
.portrait-frame{position:relative;display:inline-block}

/* Animated gradient ring with waves */
.portrait-frame::before{
  content:'';
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%) rotate(0deg);
  width:calc(100% + 20px);
  height:calc(100% + 20px);
  background:linear-gradient(135deg, #0ea5e9, #3b82f6, #8b5cf6, #d946ef, #ec4899, #f43f5e, #fb923c, #22c55e, #0ea5e9);
  background-size:300% 300%;
  animation:ringSpin 12s linear infinite, wave 8s ease-in-out infinite;
  -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 10px), #000 calc(100% - 10px));
  mask:radial-gradient(farthest-side, transparent calc(100% - 10px), #000 calc(100% - 10px));
  pointer-events:none;
  z-index:1;
  filter: blur(2px);
}

.portrait-frame::after{
  display: none;
}

.deco-ellipse {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 10;
  background-size: 200% 200%;
}

/* Left ellipse - 2.2x size */
.deco-3 {
  bottom: 15%;
  left: -40px;
  width: 110px;
  height: 105px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.7), rgba(59, 130, 246, 0.7), rgba(139, 92, 246, 0.7));
  animation: float 5s ease-in-out infinite, gradientFlow 8s ease infinite, pulseOpacity 6s ease-in-out infinite;
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.5);
}

/* Right ellipse - largest (2.8x size) */
.deco-4 {
  bottom: 18%;
  right: -50px;
  width: 146px;
  height: 140px;
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.7), rgba(244, 63, 94, 0.7), rgba(139, 92, 246, 0.7));
  animation: float 5.5s ease-in-out infinite 1s, gradientFlow 10s ease infinite 1s, pulseOpacity 7s ease-in-out infinite 0.5s;
  box-shadow: 0 12px 35px rgba(236, 72, 153, 0.5);
}

/* Bottom center ellipse - 1.6x size */
.deco-5 {
  bottom: -25px;
  left: 30%;
  width: 77px;
  height: 75px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.7), rgba(217, 70, 239, 0.7), rgba(59, 130, 246, 0.7));
  animation: float 6s ease-in-out infinite 0.5s, gradientFlow 9s ease infinite 2s, pulseOpacity 5.5s ease-in-out infinite 1s;
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

@keyframes float{
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes gradientFlow{
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes pulseOpacity{
  0%, 100% { opacity: 0.7; filter: blur(8px); }
  50% { opacity: 0.9; filter: blur(5px); }
}

/* Mobile responsive for decorative ellipses */
@media (max-width: 1024px) {
  .deco-3, .deco-4, .deco-5 {
    width: 42px;
    height: 38px;
  }
}

@media (max-width: 768px) {
  .deco-3, .deco-4, .deco-5 {
    width: 36px;
    height: 33px;
  }
}

@media (max-width: 480px) {
  .deco-3, .deco-4, .deco-5 {
    width: 30px;
    height: 28px;
  }
}

.portrait{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:50%;box-shadow:0 10px 30px rgba(0,0,0,.7), 0 0 80px rgba(139, 92, 246, 0.2);border:none;display:block;position:relative;z-index:2}

/* Meta row inside hero: CV + socials */
.hero-meta{margin-top:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;animation:fadeInUp .7s cubic-bezier(.2,.9,.3,1) .4s both}
.cv-link{display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,0.08);border:1.5px solid rgba(255,255,255,0.15);color:var(--accent);text-decoration:none !important;padding:6px 14px;border-radius:50px;font-weight:600;font-size:12px;transition:all .5s cubic-bezier(.2,.9,.3,1);box-shadow:0 4px 15px rgba(0,0,0,0.3);height:40px}
.cv-link:hover,.cv-link:focus,.cv-link:active,.cv-link:visited{transform:translateY(-1px);background:rgba(255,255,255,0.12);border-color:rgba(255,255,255,0.2);box-shadow:0 5px 18px rgba(0,0,0,0.35);text-decoration:none !important}

/* About (legacy block removed on home) */
.about{display:none}
.socials a{display:inline-block;margin-right:8px;margin-top:10px;background:rgba(255,255,255,0.04);color:var(--accent);padding:8px;border-radius:20px;text-decoration:none;transition:transform .4s cubic-bezier(.2,.9,.3,1), background .3s ease, box-shadow .3s ease;animation:fadeInUp .6s cubic-bezier(.2,.9,.3,1) .45s both}
.socials a:hover{transform:translateY(-2px) scale(1.02);background:rgba(255,255,255,0.08);box-shadow:0 4px 12px rgba(0,0,0,0.4)}
.socials a img{width:24px;height:24px;object-fit:cover;display:block;transition:filter .3s ease}
.socials a:hover img{filter:brightness(1.2)}
.tags{list-style:none;padding:0;margin-top:20px}
.tags li{margin-bottom:10px;text-decoration:underline;color:var(--accent)}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.08));border-radius:12px;padding:20px;border:1px solid rgba(255,255,255,0.06)}
.card-title{background:#e8e8e8;color:#111;padding:6px 12px;border-radius:4px;display:inline-block;margin-bottom:12px;font-weight:700}

/* Gallery */
.gallery{display:flex;flex-direction:column;align-items:center}
.gallery .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:60px 0;width:100%;max-width:1100px}

/* Filter bar inside gallery */
.filter-bar{display:flex;gap:12px;justify-content:center;margin-bottom:18px;position:sticky;top:10px;z-index:30;padding:16px;background:rgba(25,25,35,0.85);backdrop-filter:blur(20px) saturate(180%);border:1.5px solid rgba(255,255,255,0.15);border-radius:12px;box-shadow:0 8px 40px rgba(0,0,0,0.8);-webkit-backdrop-filter:blur(20px) saturate(180%);overflow:hidden;width:fit-content;margin-left:auto;margin-right:auto;animation:slideDown .5s cubic-bezier(.2,.9,.3,1)}
@keyframes slideDown{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
.filter-bar::before{content:'';position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='2.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");opacity:0.15;pointer-events:none;mix-blend-mode:overlay}
.filter{background:transparent;border:1px solid rgba(255,255,255,0.06);color:var(--accent);padding:8px 12px;border-radius:999px;cursor:pointer;transition:all .4s cubic-bezier(.2,.9,.3,1);text-decoration:none;position:relative;z-index:1}
.filter:hover{transform:translateY(-1px);border-color:rgba(255,255,255,0.15);box-shadow:0 3px 10px rgba(0,0,0,0.3)}
.filter.active{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.12)}
.project{background:var(--card-bg);border-radius:22px;padding:12px;overflow:hidden;border:1px solid rgba(255,255,255,0.05);transition:transform .4s cubic-bezier(.2,.9,.3,1),box-shadow .3s ease}
.project{position:relative}
.project img{width:100%;height:240px;object-fit:cover;border-radius:16px;transition:transform .45s cubic-bezier(.2,.9,.3,1),filter .25s ease}
.project:hover img{transform:scale(1.02);filter:brightness(.95)}
.project:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(0,0,0,0.6)}

/* project link wrapper */
.project-link{display:block;height:100%;color:inherit;text-decoration:none}

/* overlay that appears on hover */
.project .overlay{position:absolute;inset:0;border-radius:16px;display:flex;align-items:flex-end;padding:18px;background:linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.5) 100%);opacity:0;transform:translateY(6px);transition:opacity .35s ease,transform .35s ease}
.project:hover .overlay{opacity:1;transform:none}
.project .overlay .title{color:var(--accent);font-weight:600;font-size:16px}
.project-tags{margin-top:8px;color:var(--muted);font-size:12px;word-spacing:10px}

.site-footer{padding:40px 0;color:var(--muted);text-align:center}
.site-footer a{color:var(--muted);text-decoration:none;transition:color .2s ease}
.site-footer a:hover{color:var(--accent);text-decoration:underline}

/* Responsive - Mobile First */
/* Large tablets and small desktops */
@media (max-width:1100px){
  .container{padding:24px 16px}
  .hero{grid-template-columns:1fr;gap:36px;padding:32px 16px;text-align:center;max-width:700px;margin:0 auto}
  .hero-image{display:none}
  .hero-text{max-width:100%}
  .hero-text p{max-width:100%}
  .hero-meta{justify-content:center}
  .socials{justify-content:center}
  .gallery .grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .project img{height:260px}
}

/* Tablets */
@media (max-width:900px){
  .hero{gap:28px;padding:28px 14px}
  .hero-text h1{font-size:clamp(19px, 3.5vw, 24px)}
  .hero-text p{font-size:clamp(13px, 2.3vw, 15px)}
  .filter-bar{flex-wrap:wrap;gap:8px}
  .filter{padding:6px 10px;font-size:13px}
  .gallery .grid{grid-template-columns:repeat(2,1fr)}
}

/* Large mobile / Small tablets */
@media (max-width:600px){
  .gallery .grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  body{padding-top:0}
  .site-header{padding:12px 0}
  .nav-list{flex-wrap:wrap;gap:12px;font-size:14px}
  .hero-wrapper{margin-top:-30px}
  .hero{grid-template-columns:1fr;gap:20px;padding:24px 16px;text-align:center;max-width:400px;margin:0 auto}
  .hero-text{order:2;max-width:100%}
  .hero-text p{max-width:100%}
  .hero-image{order:1;justify-content:center;width:100%}
  .portrait{max-width:280px;width:85%;border:none}
  .hero-text h1{font-size:clamp(18px, 3.5vw, 22px)}
  .hero-meta{justify-content:center}
  .socials{justify-content:center}
  .gallery .grid{grid-template-columns:1fr;gap:16px}
  .project img{height:360px}
}

/* Mobile phones */
@media (max-width:480px){
  .container{padding:16px 12px;width:100%}
  .nav-list{gap:10px;font-size:13px}
  .hero-wrapper{margin-top:-20px;min-height:auto;padding:16px 0;width:100%}
  .hero{padding:20px 14px;gap:16px;min-height:auto;width:100%;max-width:100%;border-radius:0}
  .portrait{max-width:220px;width:75%;border:none}
  .hero-text h1{font-size:clamp(17px, 4vw, 19px);margin-bottom:8px}
  .hero-text p{font-size:clamp(12px, 2.8vw, 13px);line-height:1.5;margin:8px 0}
  .hero-meta{gap:10px;font-size:14px}
  .cv-link{padding:6px 12px;font-size:13px}
  .socials a{padding:6px;margin-right:6px}
  .socials a img{width:20px;height:20px}
  .filter{padding:5px 8px;font-size:12px}
  .project img{height:260px;border-radius:10px}
  .project-tags{font-size:11px;margin-top:6px}
  .site-footer{padding:24px 0;font-size:13px}
}

/* Extra small devices */
@media (max-width:360px){
  .container{padding:12px 8px;width:100%}
  .hero{padding:16px 10px;gap:12px;width:100%;max-width:100%}
  .hero-text h1{font-size:clamp(16px, 4.5vw, 18px);margin-bottom:6px}
  .hero-text p{font-size:clamp(11px, 3vw, 13px);line-height:1.4}
  .portrait{max-width:180px;width:65%;border:none}
  .hero-meta{gap:6px}
  .cv-link{padding:5px 8px;font-size:12px}
  .socials a{padding:5px;margin-right:4px;border-radius:16px}
  .socials a img{width:18px;height:18px}
  .filter-bar{gap:6px;padding:6px}
  .filter{padding:4px 7px;font-size:11px}
  .project img{height:240px;border-radius:10px}
  .project-tags{font-size:10px}
}

/* Very small devices - 320px */
@media (max-width:320px){
  body{font-size:13px}
  .container{padding:10px 6px;width:100%}
  .nav-list{gap:8px;font-size:12px}
  .hero-wrapper{padding:10px 0;min-height:auto;width:100%}
  .hero{padding:16px 10px;gap:12px;min-height:auto;width:100%;max-width:100%}
  .hero-text h1{font-size:clamp(15px, 5vw, 17px);margin-bottom:6px}
  .hero-text p{font-size:clamp(11px, 3.5vw, 12px);line-height:1.4;margin:6px 0}
  .portrait{max-width:160px;width:60%;border:none}
  .hero-meta{flex-direction:column;align-items:center;gap:8px;margin-top:12px}
  .cv-link{font-size:12px;padding:6px 16px;width:100px}
  .socials{display:flex;gap:6px;flex-wrap:wrap;margin-top:4px}
  .socials a{padding:5px;margin-right:0;border-radius:14px}
  .socials a img{width:18px;height:18px}
  .filter-bar{gap:5px;padding:6px}
  .filter{padding:4px 7px;font-size:11px;border-radius:14px}
  .project img{height:220px;border-radius:10px}
  .project-tags{font-size:10px;margin-top:5px}
  .site-footer{padding:20px 0;font-size:12px}
}

/* Small UI touches */

/* skip link for keyboard users */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:static;left:auto;width:auto;height:auto;padding:8px 12px;background:#111;color:var(--accent);border-radius:6px}

/* Language Switcher */
.lang-switcher {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 10;
  display: flex;
  gap: 6px;
  pointer-events: auto;
  background: rgba(15, 15, 25, 0.6);
  backdrop-filter: blur(12px);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.lang-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
  min-width: 44px;
  text-align: center;
  pointer-events: auto;
  position: relative;
}

.lang-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lang-btn:hover {
  color: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.lang-btn:hover::before {
  opacity: 1;
}

.lang-btn.active {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.08));
  color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.1);
}

.lang-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.3);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .lang-switcher {
    top: 10px;
    left: 10px;
    padding: 3px;
    gap: 4px;
  }
  .lang-btn {
    font-size: 11px;
    padding: 6px 11px;
    min-width: 36px;
  }
}

@media (max-width: 480px) {
  .lang-switcher {
    top: 8px;
    left: 8px;
    padding: 2px;
    gap: 3px;
  }
  .lang-btn {
    font-size: 10px;
    padding: 5px 9px;
    min-width: 32px;
  }
}

@media (max-width: 360px) {
  .lang-switcher {
    top: 6px;
    left: 6px;
    padding: 2px;
    gap: 2px;
    background: rgba(15, 15, 25, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.06);
  }
  .lang-btn {
    font-size: 9px;
    padding: 4px 7px;
    min-width: 28px;
    border-radius: 6px;
  }
}

.nav-link{transition:color .18s ease, transform .18s ease}
.nav-link:hover{transform:translateY(-2px)}

/* stronger card roundness to match design */
.card, .project{backdrop-filter: blur(6px);border-radius:22px}
.project img{border-radius:16px}

/* About section gradient (not used anymore on home) */
/* .about{background:linear-gradient(135deg,#09121b 0%, #013f32 100%);padding:40px;border-radius:12px} */

/* Focus visible for accessibility */
:focus{outline:none}
:focus-visible{outline:3px solid rgba(255,255,255,0.06);outline-offset:4px}

/* Reveal animation for gallery cards with loading effect */
.project{opacity:0;transform:translateY(24px) scale(.98);transition:opacity .8s cubic-bezier(.2,.9,.3,1), transform .8s cubic-bezier(.2,.9,.3,1);position:relative}
.project::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);animation:shimmer 2.5s infinite ease-in-out;border-radius:22px;pointer-events:none;opacity:0}
@keyframes shimmer{0%{transform:translateX(-100%)}50%{opacity:1}100%{transform:translateX(100%);opacity:0}}
.project[data-visible="true"]{opacity:1;transform:none}
.project[data-visible="true"]::after{animation:shimmer 2s ease-in-out 1}
.project:nth-child(1)[data-visible="true"]{transition-delay:.12s}
.project:nth-child(2)[data-visible="true"]{transition-delay:.18s}
.project:nth-child(3)[data-visible="true"]{transition-delay:.24s}
.project:nth-child(n+4)[data-visible="true"]{transition-delay:calc(0.06s * (var(--index, 0) - 3))}

/* Portrait micro-parallax */
.hero-image{perspective:800px}
.portrait{transition:transform .5s cubic-bezier(.2,.9,.3,1), box-shadow .5s ease}
.portrait{width:420px;height:420px;object-fit:cover;border-radius:50%;box-shadow:0 10px 30px rgba(0,0,0,.7);border:none;display:block}
.hero-image:hover .portrait{transform:translateY(-3px) rotateX(2deg) scale(1.01);box-shadow:0 20px 50px rgba(0,0,0,.65)}

/* subtle link accent animation */
.nav-link{position:relative}
.nav-link:before{content:'';position:absolute;left:50%;top:50%;width:0;height:0;pointer-events:none;transform:translate(-50%,-50%);border-radius:50%;background:rgba(255,255,255,0.03);transition:width .35s ease,height .35s ease}
.nav-link:hover:before{width:140%;height:140%}