/* ─── TOKENS ──────────────────────────────────────────────── */
:root {
  --bg:          #111111;
  --sidebar-bg:  #171717;
  --text:        rgba(255,255,255,.87);
  --text-sub:    rgba(255,255,255,.50);
  --text-dim:    rgba(255,255,255,.28);
  --border:      rgba(255,255,255,.08);
  --card:        rgba(255,255,255,.04);
  --hover-bg:    rgba(255,255,255,.07);
  --sidebar-w:   300px;
  --content-max: 780px;
  --r:           12px;
  --transition:  .25s cubic-bezier(.4,0,.2,1);
  --btn-bg:      #ffffff;
  --btn-color:   #000000;
  --btn-shadow:  rgba(255,255,255,.05) 0px 1px 0px 0px inset,
                 rgba(0,0,0,.21) 0px 0.6px 3px -.67px,
                 rgba(0,0,0,.22) 0px 2.3px 11.4px -1.33px,
                 rgba(0,0,0,.3)  0px 10px 50px -2px;
}
[data-theme="light"] {
  --bg:         #F7F7F7;
  --sidebar-bg: #FFFFFF;
  --text:       rgba(0,0,0,.87);
  --text-sub:   rgba(0,0,0,.50);
  --text-dim:   rgba(0,0,0,.30);
  --border:     rgba(0,0,0,.08);
  --card:       rgba(0,0,0,.03);
  --hover-bg:   rgba(0,0,0,.05);
  --btn-bg:     #000000;
  --btn-color:  #ffffff;
  --btn-shadow: rgba(255,255,255,.05) 0px 1px 0px 0px inset,
                rgba(0,0,0,.21) 0px 0.6px 3px -.67px,
                rgba(0,0,0,.22) 0px 2.3px 11.4px -1.33px,
                rgba(0,0,0,.3)  0px 10px 50px -2px;
}

/* ─── RESET ───────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
strong,b{font-weight:500}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  font-size:16px;
  transition:background var(--transition),color var(--transition);
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea{font-family:inherit}

/* ─── SIDEBAR ─────────────────────────────────────────────── */
.sidebar{
  position:fixed;top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  display:flex;flex-direction:column;
  padding:32px 28px 28px;
  border-right:1px solid var(--border);
  background:var(--sidebar-bg);
  transition:background var(--transition),border-color var(--transition);
  z-index:100;
  gap:28px;
  overflow-y:auto;
}
.sidebar-group{}
.sidebar-label{
  font-size:14px;
  font-weight:500;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--text-dim);
  margin-bottom:10px;
}
.sidebar-nav{display:flex;flex-direction:column;gap:2px}
.nav-link{
  font-size:16px;
  font-weight:400;
  color:var(--text-sub);
  padding:8px 10px 8px 16px;
  border-radius:12px;
  display:block;
  width:100%;
  transition:color .2s ease, background .2s ease, padding-left .2s ease;
  cursor:pointer;
}
.nav-link:hover{color:var(--text);background:var(--hover-bg);padding-left:10px}
.nav-link.active{color:var(--text);background:var(--hover-bg);padding-left:10px;font-weight:400}
.contact-link{
  display:flex;align-items:center;gap:8px;
  font-size:16px;
  color:var(--text-sub);
  padding:8px 10px 8px 16px;
  border-radius:12px;
  transition:color .2s ease, background .2s ease, padding-left .2s ease;
}
.contact-link:hover{color:var(--text);background:var(--hover-bg);padding-left:10px}
.contact-link svg{opacity:.6;flex-shrink:0}

/* Email copy */
.email-copy-link{position:relative;cursor:pointer}
.email-icon-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.icon-mail,.icon-check{transition:opacity .18s ease, transform .18s ease}
.icon-check{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.5);opacity:0;color:#22c55e}
.email-copy-link.copied .icon-mail{opacity:0;transform:scale(.5)}
.email-copy-link.copied .icon-check{opacity:1;transform:translate(-50%,-50%) scale(1)}
.email-tooltip{
  position:absolute;bottom:calc(100% + 7px);left:50%;
  transform:translateX(-50%) translateY(4px);
  background:#111;color:#fff;font-size:11px;font-weight:500;letter-spacing:.02em;
  padding:4px 9px;border-radius:7px;white-space:nowrap;
  pointer-events:none;opacity:0;
  transition:opacity .18s ease, transform .18s ease;
  z-index:100;
}
.email-tooltip::after{
  content:'';position:absolute;top:100%;left:50%;transform:translateX(-50%);
  border:4px solid transparent;border-top-color:#111;
}
.email-copy-link.copied .email-tooltip{opacity:1;transform:translateX(-50%) translateY(0)}
[data-theme="light"] .email-tooltip{background:#111}
.footer-icon.email-copy-link .email-tooltip{bottom:calc(100% + 9px)}

/* Mode toggle */
.mode-toggle{
  display:flex;align-items:center;justify-content:space-between;
  padding:5px 8px;
}
.toggle-track{
  width:44px;height:26px;
  border-radius:99px;
  position:relative;
  cursor:pointer;
  flex-shrink:0;
  transition:background .3s ease, box-shadow .3s ease;
  /* Light mode track */
  background:#e8e8e8;
  box-shadow:inset 0 1px 3px rgba(0,0,0,.15), 0 1px 0 rgba(255,255,255,.8);
}
[data-theme="dark"] .toggle-track{
  background:#2a2a2a;
  box-shadow:inset 0 1px 3px rgba(0,0,0,.4), 0 1px 0 rgba(255,255,255,.04);
}
.toggle-thumb{
  position:absolute;
  top:3px;left:3px;
  width:20px;height:20px;
  background:#ffffff;
  border-radius:50%;
  box-shadow:0 1px 4px rgba(0,0,0,.22), 0 2px 8px rgba(0,0,0,.12);
  transition:transform .35s cubic-bezier(.34,1.56,.64,1);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
[data-theme="dark"] .toggle-thumb{transform:translateX(0)}
[data-theme="light"] .toggle-thumb{transform:translateX(18px)}
.toggle-icon-sun,.toggle-icon-moon{
  position:absolute;
  transition:opacity .25s ease, transform .25s ease;
}
[data-theme="light"] .toggle-icon-sun{opacity:1;transform:scale(1)}
[data-theme="light"] .toggle-icon-moon{opacity:0;transform:scale(.6)}
[data-theme="dark"] .toggle-icon-sun{opacity:0;transform:scale(.6)}
[data-theme="dark"] .toggle-icon-moon{opacity:1;transform:scale(1)}

/* Language toggle */
.lang-toggle{
  display:flex;gap:4px;
  padding:4px 8px;
}
.lang-btn{
  flex:1;
  padding:5px 0;
  border-radius:8px;
  font-size:13px;
  font-weight:500;
  color:var(--text-sub);
  background:transparent;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s ease;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  text-align:center;
}
.lang-btn.active{color:var(--text);background:var(--hover-bg);border-color:var(--border)}
.lang-btn:hover:not(.active){color:var(--text);background:var(--hover-bg)}

/* ─── MAIN CONTENT ────────────────────────────────────────── */
.main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;flex-direction:column;
  align-items:center;
  padding:80px 48px 80px;
}
.content-col{width:100%;max-width:var(--content-max)}

/* ─── SECTION LABELS ──────────────────────────────────────── */
.section-tag{
  font-size:11px;
  font-weight:400;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--text);
  margin-bottom:10px;
}
.section-subtitle{
  font-size:16px;
  color:var(--text-sub);
  line-height:1.6;
  margin-bottom:32px;
}

/* ─── HERO ────────────────────────────────────────────────── */
#hero{padding:40px 0 80px;width:100%;max-width:var(--content-max)}
.hero-avatar-wrap{position:relative;width:64px;height:64px;margin-bottom:20px}
.hero-avatar{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,#6b7fd4,#a78bfa);
  display:flex;align-items:center;justify-content:center;
  font-size:24px;overflow:hidden;
}
.hero-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.status-dot{
  position:absolute;bottom:2px;right:2px;
  width:12px;height:12px;border-radius:50%;
  background:#22c55e;border:2px solid var(--bg);
  transition:border-color var(--transition);
  cursor:default;
}
.status-dot::before{
  content:'';
  position:absolute;inset:-4px;
  border-radius:50%;
  background:#22c55e;
  opacity:.4;
  animation:pulse-ring 2s ease-out infinite;
}
.status-dot::after{
  content:'Available for work';
  position:absolute;
  bottom:calc(100% + 10px);
  left:50%;transform:translateX(-50%) translateY(4px);
  background:#111;color:#fff;
  font-size:11px;font-weight:500;letter-spacing:.02em;
  padding:5px 10px;border-radius:8px;white-space:nowrap;
  pointer-events:none;opacity:0;
  transition:opacity .2s ease, transform .2s ease;
}
.status-dot:hover::after{opacity:1;transform:translateX(-50%) translateY(0)}
@keyframes pulse-ring{
  0%  {transform:scale(1);opacity:.4}
  70% {transform:scale(2.2);opacity:0}
  100%{transform:scale(2.2);opacity:0}
}
.hero-name{
  display:flex;align-items:center;gap:7px;
  font-size:22px;font-weight:500;
  letter-spacing:-.04em;margin-bottom:4px;
}
.hero-name .verified{display:inline-flex;align-items:center;flex-shrink:0;width:22px;height:22px;color:#3b82f6}
.hero-role{font-size:15px;color:var(--text-sub);margin-bottom:20px}
.hero-bio{font-size:16px;line-height:1.7;color:var(--text-sub);margin-bottom:16px;max-width:480px}
.hero-location{font-size:15px;color:var(--text-sub);display:flex;align-items:center;gap:6px;margin-bottom:28px}
.hero-actions{display:flex;align-items:center;gap:10px}

.btn-outline{
  padding:9px 18px;border-radius:12px;border:none;
  font-size:14px;font-weight:500;
  color:var(--btn-color);background:var(--btn-bg);
  box-shadow:var(--btn-shadow);
  transition:opacity .2s ease, transform .2s ease;
  cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
}
.btn-outline:hover{opacity:.88;transform:translateY(-1px)}

/* Secondary button — white */
.btn-secondary{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  color:var(--text);
  background:rgba(255,255,255,.08);
  border:1px solid var(--border);
  transition:opacity .2s ease, transform .2s ease;
  cursor:pointer;
}
[data-theme="light"] .btn-secondary{
  background:#ffffff;
  border-color:rgba(0,0,0,.1);
  box-shadow:rgba(0,0,0,.06) 0px 1px 4px 0px;
  color:#000;
}
.btn-secondary:hover{opacity:.85;transform:translateY(-1px)}

/* ─── SECTION DIVIDER ─────────────────────────────────────── */
.section-block{
  padding:80px 0;
  width:100%;max-width:var(--content-max);
}

/* ─── PROJECT CARDS ───────────────────────────────────────── */
.projects-list{display:flex;flex-direction:column;gap:32px}
.project-card{
  display:block;
  border-radius:var(--r);overflow:hidden;
  background:var(--card);border:1px solid var(--border);
  cursor:pointer;
  text-decoration:none;
  color:inherit;
}
[data-theme="light"] .project-card{
  background:#ffffff;
  border-color:rgba(0,0,0,.07);
}
.project-thumb{
  width:100%;height:340px;
  overflow:hidden;position:relative;
  display:flex;align-items:center;justify-content:center;
}
.project-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .65s cubic-bezier(.4,0,.2,1)}
.project-card:hover .project-thumb img{transform:scale(1.06)}
.birsan-thumb{object-fit:cover !important;transform:scale(1);transform-origin:center center;}
.project-card:hover .project-thumb .birsan-thumb{transform:scale(1.04);}
.thumb-agenta{background:linear-gradient(160deg,#0f1114 0%,#1a1c20 60%,#1e2228 100%);position:relative;overflow:hidden}
.thumb-finance{background:linear-gradient(135deg,#6366c8 0%,#8b8fe8 40%,#a5a8f0 100%)}
.thumb-proportunity{background:linear-gradient(135deg,#1a6fd8 0%,#3a9bd5 60%,#7ec8e3 100%);overflow:hidden}
.thumb-flowdesk{background:linear-gradient(160deg,#1a1f2e 0%,#252d3f 100%)}
.thumb-itulek{background:linear-gradient(135deg,#f97316 0%,#a855f7 50%,#3b82f6 100%);overflow:hidden}
.project-thumb-img{
  width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;font-size:40px;
  transition:transform .65s cubic-bezier(.4,0,.2,1);
  will-change:transform;
}
.project-card:hover .project-thumb-img{transform:scale(1.06)}
.project-info{padding:20px 24px 24px}
.project-name{font-size:16px;font-weight:400;margin-bottom:6px;letter-spacing:-.01em}
.project-desc{font-size:14px;color:var(--text-sub);line-height:1.6}

/* ─── ABOUT ───────────────────────────────────────────────── */
.about-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:40px}
.about-col p{font-size:16px;line-height:1.75;color:var(--text-sub)}
.collage-wrap{
  position:relative;width:100%;height:310px;
  border-radius:var(--r);overflow:hidden;
  background:var(--card);border:1px solid var(--border);
  user-select:none;-webkit-user-select:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:22px 22px;
}
[data-theme="light"] .collage-wrap{
  background-color:#ffffff;
  background-image:radial-gradient(rgba(0,0,0,.10) 1.5px, transparent 1.5px);
  background-size:22px 22px;
  border-color:rgba(0,0,0,.07);
  box-shadow:0 1px 4px rgba(0,0,0,.05);
}
/* Sticker glued to a draggable — moves with it */
.polaroid-sticker{
  position:absolute;
  pointer-events:none;
  z-index:2;
}
.collage-hint{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);text-align:center;margin-top:10px}
.collage-inner{position:absolute;top:0;left:0;width:100%;height:100%;}
.draggable{position:absolute !important;cursor:grab;filter:drop-shadow(0 4px 14px rgba(0,0,0,.28));transition:filter .2s;will-change:transform}
.draggable:active{cursor:grabbing;filter:drop-shadow(0 8px 22px rgba(0,0,0,.45));z-index:10}
.polaroid{background:#fff;padding:8px 8px 40px;border-radius:3px;transform:rotate(-6deg);width:150px;flex-shrink:0}
.polaroid-2{transform:rotate(4deg)}
.polaroid img,.polaroid .polaroid-img{width:134px;height:152px;object-fit:cover;border-radius:1px;background:linear-gradient(135deg,#d4a96a,#b08040);display:flex;align-items:center;justify-content:center;font-size:32px}
.polaroid-img-2{background:linear-gradient(135deg,#4a7a9b,#6a9abb)}
/* Tape on polaroids */
.photo-tape{
  position:absolute;top:-9px;left:50%;transform:translateX(-50%);
  width:46px;height:16px;
  background:rgba(18,18,18,.68);
  border-radius:2px;z-index:5;
  backdrop-filter:blur(1px);
}
.quote-card{background:rgba(255,255,255,.95);color:#111;padding:16px 18px;border-radius:8px;font-size:12px;line-height:1.5;width:170px;font-style:italic;transform:rotate(2deg)}
[data-theme="light"] .quote-card{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.12)}
.quote-author{font-style:normal;font-size:11px;opacity:.6;margin-top:6px}
.sticker{font-size:28px;transform:rotate(-10deg)}
.sticker-star{font-size:22px;transform:rotate(12deg)}
.app-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;font-size:20px}
.phone-chip{background:rgba(20,20,20,.95);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:12px 14px;width:130px}
[data-theme="light"] .phone-chip{background:rgba(240,240,240,.98);border-color:rgba(0,0,0,.1);color:#111}
.phone-chip-amount{font-size:16px;font-weight:400;color:#fff;margin-bottom:4px}
[data-theme="light"] .phone-chip-amount{color:#111}
.phone-chip-label{font-size:10px;color:rgba(255,255,255,.4)}
[data-theme="light"] .phone-chip-label{color:rgba(0,0,0,.4)}

/* ─── SKILLS ──────────────────────────────────────────────── */
.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* White card — 400px fixed, Framer-exact spacing */
.skill-card{
  background:#ffffff;
  border:1px solid rgba(0,0,0,.07);
  border-radius:20px;
  box-shadow:0 1px 4px rgba(0,0,0,.05);
  padding:0 62px 80px;
  display:flex;flex-direction:column;
  align-items:center;
  height:400px;
  justify-content:flex-end;
  overflow:visible;
}
[data-theme="dark"] .skill-card{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.1);
}

/* Folder — Framer exact: 238px wide */
.skill-folder{
  position:relative;
  overflow:visible;
  cursor:pointer;
  width:238px;
  transition:transform .3s ease;
}
.skill-folder:hover:not(.folder-click-closed),
.skill-folder.folder-open{transform:translateY(-4px)}

/* SVG wrapper — perspective for 3D flap */
.folder-svg-wrap{
  position:relative;
  overflow:visible;
  perspective:600px;
  isolation:isolate;
  width:100%;
  aspect-ratio:238.59 / 169.847;
}

/* Back plate — flat rectangle */
.folder-back{
  position:absolute;
  inset:0;
  background:#EEEEEE;
  border-radius:13px;
  z-index:1;
  transition:background var(--transition);
}
[data-theme="dark"] .folder-back{background:#252525;}

/* Items layer — z-index stays fixed, no switching needed */
.folder-papers-area,
.folder-icons-area{
  position:absolute;
  inset:0;
  z-index:2;
  overflow:visible;
  pointer-events:none;
}

/* ── FRONT FLAP — hinge at BOTTOM: top lifts back like a real folder lid */
.folder-flap{
  position:absolute;
  inset:0;
  z-index:3;
  transform-origin:bottom center;
  transform:rotateX(0deg);
  transition:transform .48s cubic-bezier(.4,0,.2,1);
  backface-visibility:hidden;
}
.folder-flap > svg{
  width:100%;height:100%;display:block;
}
.folder-flap > svg path{
  fill:#EEEEEE;stroke:#E2E2E2;stroke-miterlimit:10;
  transition:fill var(--transition),stroke var(--transition);
}
[data-theme="dark"] .folder-flap > svg path{
  fill:#252525;stroke:#303030;
}
/* Lid opens: bottom stays fixed, top rotates backward — folder "mouth" opens upward */
.skill-folder:hover:not(.folder-click-closed) .folder-flap,
.skill-folder.folder-open .folder-flap{
  transform:rotateX(-28deg);
}

/* ── PAPERS — titles peek above flap in tab area */
.f-paper{
  position:absolute;
  background:#fff;
  border:1px solid rgba(0,0,0,.08);
  border-radius:10px;
  box-shadow:0 2px 10px rgba(0,0,0,.13);
  padding:11px 14px;width:165px;
  font-size:12px;line-height:1.6;color:#333;
  /* return: fast enough to slip back under the closing flap */
  transition:transform .22s cubic-bezier(.4,0,.2,1);
  will-change:transform;
}
/* rest position */
.fp1{left:4px; top:-8%; z-index:1; transform:rotate(-9deg);}
.fp2{left:30px;top:1%; z-index:2; transform:rotate(7deg);}

.f-paper-title{display:block;font-size:13px;font-weight:500;color:#111;margin-bottom:4px}
.f-paper ul{list-style:disc;padding-left:14px}
.f-paper li{font-size:11.5px;color:#444;line-height:1.55}

/* Hover — fly out above folder */
.skill-folder:hover:not(.folder-click-closed) .fp1,
.skill-folder.folder-open .fp1{
  transform:rotate(-14deg) translateY(-90px) translateX(-16px);
  transition:transform .5s cubic-bezier(.34,1.56,.64,1) .05s;
}
.skill-folder:hover:not(.folder-click-closed) .fp2,
.skill-folder.folder-open .fp2{
  transform:rotate(11deg) translateY(-72px) translateX(30px);
  transition:transform .5s cubic-bezier(.34,1.56,.64,1) .11s;
}

/* ── ICONS — tops peek above flap, fan out on hover */
.f-icon{
  position:absolute;
  top:3%;
  width:48px;height:48px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;font-size:23px;
  filter:drop-shadow(0 3px 8px rgba(0,0,0,.22));
  transition:transform .22s cubic-bezier(.4,0,.2,1);
  will-change:transform;
  overflow:hidden;
}
.f-icon-img{width:100%;height:100%;object-fit:cover;border-radius:13px;display:block;}
.fi1{left:5%;  z-index:2;transform:rotate(-9deg);}
.fi2{left:21%; z-index:4;transform:rotate(4deg);}
.fi3{left:37%; z-index:3;transform:rotate(-2deg);}
.fi4{left:53%; z-index:5;transform:rotate(7deg);}
.fi5{left:69%; z-index:1;transform:rotate(-6deg);}
.skill-folder:hover:not(.folder-click-closed) .fi1,.skill-folder.folder-open .fi1{transform:rotate(-24deg) translateY(-78px) translateX(-24px);transition:transform .5s cubic-bezier(.34,1.56,.64,1) .00s;}
.skill-folder:hover:not(.folder-click-closed) .fi2,.skill-folder.folder-open .fi2{transform:rotate(-9deg)  translateY(-96px) translateX(-8px); transition:transform .5s cubic-bezier(.34,1.56,.64,1) .06s;}
.skill-folder:hover:not(.folder-click-closed) .fi3,.skill-folder.folder-open .fi3{transform:rotate(3deg)   translateY(-92px) translateX(8px);  transition:transform .5s cubic-bezier(.34,1.56,.64,1) .12s;}
.skill-folder:hover:not(.folder-click-closed) .fi4,.skill-folder.folder-open .fi4{transform:rotate(18deg)  translateY(-76px) translateX(24px); transition:transform .5s cubic-bezier(.34,1.56,.64,1) .18s;}
.skill-folder:hover:not(.folder-click-closed) .fi5,.skill-folder.folder-open .fi5{transform:rotate(32deg)  translateY(-58px) translateX(42px); transition:transform .5s cubic-bezier(.34,1.56,.64,1) .24s;}

/* Meta — absolutely on the folder surface, bottom-left */
.folder-meta{
  position:absolute;
  bottom:14px;left:16px;
  z-index:6;
  pointer-events:none;
}
.folder-name{font-size:18px;font-weight:500;color:#111;margin-bottom:3px}
.folder-count{font-size:13px;color:rgba(0,0,0,.45)}
[data-theme="dark"] .folder-name{color:#fff}
[data-theme="dark"] .folder-count{color:rgba(255,255,255,.45)}

/* ─── EXPERIENCE ──────────────────────────────────────────── */
.exp-header{display:grid;grid-template-columns:1fr 1fr;padding-bottom:10px;border-bottom:1px solid var(--border)}
.exp-col-label{font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim)}
.exp-row{display:grid;grid-template-columns:1fr 1fr;padding:20px 0;border-bottom:1px solid var(--border);gap:16px}
.exp-period{font-size:14px;color:var(--text-sub)}
.exp-role{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:400;margin-bottom:4px}
.exp-company-icon{width:20px;height:20px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:10px;flex-shrink:0}
.ic-birsan{background:transparent;overflow:hidden}.ic-proportunity{background:transparent;overflow:hidden}.ic-edtech{background:transparent;overflow:hidden}.ic-inlot{background:#fff;overflow:hidden}.ic-nitjsc{background:#fff;overflow:hidden}
.exp-desc{font-size:14px;color:var(--text-sub)}
.exp-link{color:inherit;text-decoration:none;}
.exp-link:hover{text-decoration:underline;text-underline-offset:2px;}

/* ─── TESTIMONIALS ────────────────────────────────────────── */
.testimonials-list{display:flex;flex-direction:column;gap:1px;border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.testi-card{padding:24px;background:var(--card);border-bottom:1px solid var(--border);transition:background var(--transition)}
.testi-card:last-child{border-bottom:none}
.testi-card:hover{background:var(--hover-bg)}
.testi-quote{font-size:16px;line-height:1.7;color:var(--text-sub);font-style:italic;margin-bottom:16px}
.testi-author{display:flex;align-items:center;gap:10px}
.testi-avatar{width:32px;height:32px;border-radius:50%;background:var(--hover-bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.testi-name{font-size:14px;font-weight:400}
.testi-role{font-size:13px;color:var(--text-dim)}

/* ─── CONTACT ─────────────────────────────────────────────── */
.contact-form{display:flex;flex-direction:column;gap:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-label{font-size:13px;color:var(--text-sub)}
.form-input,.form-textarea{
  background:var(--card);border:1px solid var(--border);border-radius:8px;
  padding:11px 14px;font-size:15px;color:var(--text);outline:none;
  transition:border-color var(--transition),background var(--transition);width:100%;
}
.form-input::placeholder,.form-textarea::placeholder{color:var(--text-dim)}
.form-input:focus,.form-textarea:focus{border-color:rgba(255,255,255,.25);background:var(--hover-bg)}
[data-theme="light"] .form-input:focus,[data-theme="light"] .form-textarea:focus{border-color:rgba(0,0,0,.2)}
.form-textarea{height:120px;resize:vertical}
.btn-send{
  align-self:flex-start;padding:10px 22px;border-radius:12px;
  border:none;font-size:14px;font-weight:500;
  color:var(--btn-color);background:var(--btn-bg);
  box-shadow:var(--btn-shadow);
  transition:opacity .2s ease, transform .2s ease;
  cursor:pointer;margin-top:4px;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
}
.btn-send:hover{opacity:.88;transform:translateY(-1px)}

/* ─── FOOTER ──────────────────────────────────────────────── */
.footer-block{border-top:1px solid var(--border);padding:40px 0 20px;width:100%;max-width:var(--content-max);display:flex;flex-direction:column;align-items:center;gap:16px}
.footer-text{font-size:14px;color:var(--text-sub)}
.footer-text strong{color:var(--text)}
.footer-icons{display:flex;gap:8px}
.footer-icon{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);
  transition:opacity .2s ease, transform .2s ease;
}
[data-theme="light"] .footer-icon{
  background:#ffffff;
  border-color:rgba(0,0,0,.1);
  color:#000;
  box-shadow:var(--btn-shadow);
}
.footer-icon:hover{opacity:.85;transform:translateY(-1px)}
.footer-copy{font-size:13px;color:var(--text-dim)}

/* ─── SCROLL REVEAL ───────────────────────────────────────── */
.reveal{opacity:1;transform:none}
.js-loaded .reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.js-loaded .reveal.visible{opacity:1;transform:translateY(0)}

/* ─── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar{width:0;height:0}

/* ─── PROJECT PAGE ────────────────────────────────────────── */
.project-page{
  display:none;
  margin-left:var(--sidebar-w);
  min-height:100vh;
  padding:60px 40px 80px;
  flex-direction:column;
  align-items:center;
}
.project-page.active{display:flex}
.project-page-inner{width:100%;max-width:var(--content-max)}
.back-btn{
  display:inline-flex;align-items:center;gap:5px;
  font-size:14px;font-weight:400;
  color:#222;padding:8px 14px;
  border-radius:10px;
  background:#fff;
  border:none;
  box-shadow:0 1px 3px rgba(0,0,0,.10),0 0 0 .5px rgba(0,0,0,.07);
  cursor:pointer;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  margin-bottom:36px;
  transition:box-shadow var(--transition);
}
.back-btn:hover{box-shadow:0 2px 8px rgba(0,0,0,.13),0 0 0 .5px rgba(0,0,0,.09);}
.proj-hero{
  width:100%;height:260px;border-radius:var(--r);overflow:hidden;
  margin-bottom:36px;display:flex;align-items:center;justify-content:center;position:relative;
}
.proj-title{font-size:26px;font-weight:500;letter-spacing:-.02em;margin-bottom:8px}
.proj-tagline{font-size:16px;color:var(--text-sub);margin-bottom:36px;line-height:1.6}
.proj-meta{
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding:24px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r);margin-bottom:48px;
}
.proj-meta-label{font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:6px}
.proj-meta-value{font-size:15px;font-weight:400}
.proj-section{margin-bottom:44px}
.proj-section-title{
  font-size:13px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-dim);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border);
}
.proj-text{font-size:16px;line-height:1.75;color:var(--text-sub)}
.proj-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.proj-list li{font-size:16px;line-height:1.6;color:var(--text-sub);padding-left:20px;position:relative}
.proj-list li::before{content:'';position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--text-dim)}
/* ─── CASE STUDY COMPONENTS ──────────────────────────────── */
.proj-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:32px 0}
.proj-metric{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 16px}
.proj-metric-num{font-size:28px;font-weight:500;letter-spacing:-.02em;color:var(--text);line-height:1;margin-bottom:6px}
.proj-metric-label{font-size:12px;color:var(--text-dim);line-height:1.4}
.proj-callout{background:var(--card);border:1px solid var(--border);border-left:3px solid var(--text);border-radius:0 10px 10px 0;padding:16px 20px;margin:24px 0;font-size:14px;color:var(--text-sub);line-height:1.6}
.proj-callout strong{color:var(--text)}
.proj-user-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
.proj-user-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}
.proj-user-card-title{font-size:13px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--text-dim);margin-bottom:10px}
.proj-user-card-name{font-size:16px;font-weight:500;color:var(--text);margin-bottom:10px}
.proj-user-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}
.proj-user-card li{font-size:14px;color:var(--text-sub);line-height:1.5;padding-left:14px;position:relative}
.proj-user-card li::before{content:'';position:absolute;left:0;top:8px;width:4px;height:4px;border-radius:50%;background:var(--text-dim)}
@media(max-width:768px){.proj-metrics{grid-template-columns:repeat(2,1fr)}.proj-user-grid{grid-template-columns:1fr}}
.proj-userflow-img{width:100%;border-radius:12px;margin:28px 0;display:block;cursor:zoom-in}
.proj-screens-duo{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:28px 0}
.proj-screen-item img{width:100%;border-radius:10px;display:block;cursor:zoom-in;box-shadow:0 2px 16px rgba(0,0,0,.08)}
.proj-screen-caption{margin-top:12px}
.proj-screen-caption strong{font-size:13px;font-weight:600;color:var(--text);display:block;margin-bottom:5px}
.proj-screen-caption p{font-size:12px;color:var(--text-dim);line-height:1.65;margin:0}
@media(max-width:768px){.proj-screens-duo{grid-template-columns:1fr}}
.proj-module-item{margin:36px 0 0}
.proj-module-tag{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.proj-module-item strong{font-size:15px;font-weight:600;color:var(--text);display:block;margin-bottom:6px}
.proj-module-item>p{font-size:13px;color:var(--text-dim);line-height:1.7;margin:0}
.proj-module-item img{width:100%;border-radius:12px;margin-top:16px;display:block;cursor:zoom-in;box-shadow:0 2px 24px rgba(0,0,0,.08)}
.proj-img-placeholder{
  width:100%;height:220px;border-radius:var(--r);
  background:var(--card);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-dim);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  margin:24px 0;
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
/* ─── MOBILE HEADER ─────────────────────────────────────── */
.mob-header{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;
  background:var(--sidebar-bg);
  border-bottom:1px solid var(--border);
  z-index:300;
  padding:0 18px;
  align-items:center;
  justify-content:space-between;
  transition:background var(--transition),border-color var(--transition);
}
.mob-icon-btn{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--hover-bg);
  border:1px solid var(--border);
  cursor:pointer;
  transition:background var(--transition),border-color var(--transition),opacity .2s;
}
.mob-icon-btn:hover{opacity:.8}
/* theme icon states */
.mob-theme-btn{position:relative}
.mob-theme-btn svg{position:absolute;transition:opacity .25s ease,transform .25s ease}
.mob-theme-btn .t-sun{opacity:0;transform:scale(.65)}
.mob-theme-btn .t-moon{opacity:0;transform:scale(.65)}
[data-theme="light"] .mob-theme-btn .t-sun{opacity:1;transform:scale(1)}
[data-theme="dark"]  .mob-theme-btn .t-moon{opacity:1;transform:scale(1)}
/* burger lines */
.mob-burger-btn{flex-direction:column;gap:5px}
.mob-burger-btn span{
  display:block;width:16px;height:1.5px;
  background:var(--text);border-radius:2px;
  transition:transform .32s cubic-bezier(.4,0,.2,1),opacity .2s ease;
  transform-origin:center;
}
.mob-burger-btn.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.mob-burger-btn.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.mob-burger-btn.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ─── MOBILE NAV OVERLAY ────────────────────────────────── */
.mob-nav{
  position:fixed;inset:0;
  z-index:299;
  background:var(--sidebar-bg);
  display:flex;flex-direction:column;
  opacity:0;pointer-events:none;
  transform:translateY(-10px) scale(.98);
  transition:opacity .28s cubic-bezier(.4,0,.2,1),
             transform .28s cubic-bezier(.4,0,.2,1);
}
.mob-nav.open{
  opacity:1;pointer-events:all;
  transform:translateY(0) scale(1);
}
.mob-nav-inner{
  padding:72px 32px 48px;
  height:100%;overflow-y:auto;
  display:flex;flex-direction:column;gap:40px;
}
.mob-nav-section{}
.mob-nav-label{
  font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text-dim);margin-bottom:14px;
}
.mob-nav-item{
  display:flex;align-items:center;
  padding:13px 0;
  font-size:20px;font-weight:500;letter-spacing:-.01em;
  color:var(--text-sub);
  border-bottom:1px solid var(--border);
  text-decoration:none;
  opacity:0;transform:translateY(16px);
  transition:color .2s ease,
             opacity .35s cubic-bezier(.4,0,.2,1),
             transform .35s cubic-bezier(.4,0,.2,1);
}
.mob-nav-item:last-child{border-bottom:none}
.mob-nav-item:hover{color:var(--text)}
/* stagger — applied when overlay is open */
.mob-nav.open .mob-nav-item:nth-child(1){opacity:1;transform:none;transition-delay:.05s}
.mob-nav.open .mob-nav-item:nth-child(2){opacity:1;transform:none;transition-delay:.09s}
.mob-nav.open .mob-nav-item:nth-child(3){opacity:1;transform:none;transition-delay:.13s}
.mob-nav.open .mob-nav-item:nth-child(4){opacity:1;transform:none;transition-delay:.17s}
.mob-nav.open .mob-nav-item:nth-child(5){opacity:1;transform:none;transition-delay:.21s}
.mob-nav.open .mob-nav-item:nth-child(6){opacity:1;transform:none;transition-delay:.25s}

.mob-nav-contact{
  display:flex;align-items:center;gap:10px;
  padding:11px 0;
  font-size:16px;
  color:var(--text-sub);
  border-bottom:1px solid var(--border);
  text-decoration:none;
  opacity:0;transform:translateY(14px);
  transition:color .2s ease,
             opacity .35s cubic-bezier(.4,0,.2,1),
             transform .35s cubic-bezier(.4,0,.2,1);
}
.mob-nav-contact:last-child{border-bottom:none}
.mob-nav-contact:hover{color:var(--text)}
.mob-nav.open .mob-nav-contact:nth-child(1){opacity:1;transform:none;transition-delay:.30s}
.mob-nav.open .mob-nav-contact:nth-child(2){opacity:1;transform:none;transition-delay:.34s}
.mob-nav.open .mob-nav-contact:nth-child(3){opacity:1;transform:none;transition-delay:.38s}
.mob-nav.open .mob-nav-contact:nth-child(4){opacity:1;transform:none;transition-delay:.42s}
.mob-nav-lang{display:flex;gap:8px;padding:20px 24px 8px;opacity:0;transform:translateY(8px);transition:opacity .3s ease, transform .3s ease}
.mob-nav.open .mob-nav-lang{opacity:1;transform:none;transition-delay:.46s}
.mob-lang-btn{flex:1;padding:10px;border-radius:10px;font-size:14px;font-weight:400;color:var(--text-sub);background:none;border:1.5px solid var(--border);cursor:pointer;transition:all .2s}
.mob-lang-btn.active{color:var(--text);background:var(--hover-bg);border-color:var(--text-sub)}

/* ─── RESPONSIVE ────────────────────────────────────────── */
@media(max-width:768px){
  :root{--sidebar-w:0px}
  .sidebar{display:none}
  .mob-header{display:flex}
  .main,.project-page{margin-left:0;padding:72px 20px 48px}
  .about-cols,.form-row{grid-template-columns:1fr}
  .collage-wrap{height:700px}
  .collage-inner{width:100%;height:100%;transform:none;}
  .skills-grid{grid-template-columns:1fr}
  .skill-card{height:auto;min-height:340px;padding:0 40px 80px}
  .skill-folder{width:200px}
  .proj-meta{flex-wrap:wrap;}
  .proj-meta .proj-meta-item{flex:1 1 calc(50% - 8px)}
}

/* ─── RESUME MODAL ─────────────────────────────────────────── */
/* ── overlay ── */
.resume-overlay{
  position:fixed;inset:0;z-index:9000;
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  opacity:0;pointer-events:none;
  transition:opacity .3s cubic-bezier(.4,0,.2,1);
}
.resume-overlay.open{opacity:1;pointer-events:all;}
/* position:fixed → фон покрывает весь экран при скролле */
.resume-overlay::before{
  content:'';position:fixed;inset:0;
  background:rgba(0,0,0,.5);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}

/* ── viewer card ── */
.resume-card{
  position:relative;z-index:1;
  width:100%;max-width:460px;
  /* нет фиксированной высоты — карточка подстраивается под контент */
  max-height:min(820px, calc(100vh - 40px));
  margin:auto;
  display:flex;flex-direction:column;
  border-radius:24px;
  overflow:hidden;
  background:rgba(245,245,247,.88);
  backdrop-filter:blur(48px) saturate(180%);
  -webkit-backdrop-filter:blur(48px) saturate(180%);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:
    0 0 0 .5px rgba(255,255,255,.7) inset,
    0 1.5px 0 rgba(255,255,255,1) inset,
    0 32px 80px rgba(0,0,0,.22),
    0 4px 20px rgba(0,0,0,.1);
  transform:scale(.93) translateY(24px);
  transition:transform .44s cubic-bezier(.34,1.4,.64,1), opacity .3s ease;
  opacity:0;
}
.resume-overlay.open .resume-card{transform:scale(1) translateY(0);opacity:1;}
[data-theme="dark"] .resume-card{
  background:rgba(28,28,32,.85);
  border-color:rgba(255,255,255,.1);
  box-shadow:
    0 0 0 .5px rgba(255,255,255,.07) inset,
    0 1px 0 rgba(255,255,255,.13) inset,
    0 32px 80px rgba(0,0,0,.6),
    0 4px 20px rgba(0,0,0,.35);
}

/* ── top bar ── */
.resume-topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px 14px 18px;
  border-bottom:1px solid rgba(0,0,0,.07);
  background:rgba(255,255,255,.5);
}
[data-theme="dark"] .resume-topbar{
  background:rgba(255,255,255,.04);
  border-bottom-color:rgba(255,255,255,.07);
}
.resume-fileinfo{display:flex;align-items:center;gap:10px;}
.resume-pdf-icon{
  width:32px;height:32px;border-radius:8px;
  background:linear-gradient(145deg,#ff4444,#cc0000);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(204,0,0,.3);
  flex-shrink:0;
}
.resume-pdf-icon svg{display:block;}
.resume-filename{font-size:13.5px;font-weight:500;color:#111;letter-spacing:-.01em;}
.resume-filemeta{font-size:11px;color:rgba(0,0,0,.4);margin-top:1px;}
[data-theme="dark"] .resume-filename{color:#fff;}
[data-theme="dark"] .resume-filemeta{color:rgba(255,255,255,.35);}
.resume-close{
  width:28px;height:28px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(0,0,0,.07);color:rgba(0,0,0,.45);
  display:flex;align-items:center;justify-content:center;
  transition:background .15s,transform .15s;flex-shrink:0;
}
.resume-close:hover{background:rgba(0,0,0,.13);transform:scale(1.08);}
[data-theme="dark"] .resume-close{background:rgba(255,255,255,.1);color:rgba(255,255,255,.5);}
[data-theme="dark"] .resume-close:hover{background:rgba(255,255,255,.18);}

/* ── pdf preview — aspect-ratio A4, hugs PDF content ── */
.resume-preview{
  position:relative;
  background:#fff;
  width:100%;
  aspect-ratio:210 / 297;
  max-height:calc(min(820px, calc(100vh - 40px)) - 114px);
  flex-shrink:1;
  overflow:hidden;
}
/* белая рамка поверх iframe — скрывает тёмные края PDF viewer */
.resume-preview::after{
  content:'';
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:2;
  box-shadow:inset 0 0 0 6px #fff;
}
.resume-preview iframe{
  position:absolute;
  inset:-10px;
  width:calc(100% + 20px);
  height:calc(100% + 20px);
  border:none;display:block;
  background:#fff;
  color-scheme:light;
}

/* ── bottom action bar ── */
.resume-actions{
  display:flex;gap:10px;padding:14px 16px;
  border-top:1px solid rgba(0,0,0,.07);
  background:rgba(255,255,255,.5);
}
[data-theme="dark"] .resume-actions{
  background:rgba(255,255,255,.04);
  border-top-color:rgba(255,255,255,.07);
}
.resume-btn-download{
  flex:1;display:flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 16px;border-radius:12px;border:none;cursor:pointer;
  font-size:13.5px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  color:#fff;
  background:linear-gradient(145deg,#1a1a1a,#333);
  box-shadow:0 3px 12px rgba(0,0,0,.25),0 1px 0 rgba(255,255,255,.08) inset;
  transition:transform .17s,box-shadow .17s;text-decoration:none;
}
.resume-btn-download:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,.3);}
[data-theme="dark"] .resume-btn-download{background:linear-gradient(145deg,#fff,#ddd);color:#111;}
.resume-btn-share{
  display:flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 18px;border-radius:12px;cursor:pointer;
  font-size:13.5px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  background:rgba(0,0,0,.07);color:rgba(0,0,0,.65);
  border:1px solid rgba(0,0,0,.09);
  transition:background .17s,transform .17s;
}
.resume-btn-share:hover{background:rgba(0,0,0,.12);transform:translateY(-1px);}
[data-theme="dark"] .resume-btn-share{background:rgba(255,255,255,.09);color:rgba(255,255,255,.75);border-color:rgba(255,255,255,.1);}
[data-theme="dark"] .resume-btn-share:hover{background:rgba(255,255,255,.15);}

/* ── toast ── */
.resume-toast{
  position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(10px);
  background:rgba(15,15,15,.92);color:#fff;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:10px 20px;border-radius:99px;
  font-size:13px;font-weight:400;
  opacity:0;pointer-events:none;
  transition:opacity .2s,transform .2s;
  white-space:nowrap;z-index:9999;
}
.resume-toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ── contact modal ── */
.contact-modal-overlay{
  position:fixed;inset:0;z-index:9000;
  display:flex;align-items:center;justify-content:center;
  padding:20px;
  opacity:0;pointer-events:none;
  transition:opacity .3s cubic-bezier(.4,0,.2,1);
}
.contact-modal-overlay::before{
  content:'';position:fixed;inset:0;
  background:rgba(0,0,0,.5);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}
.contact-modal-overlay.open{opacity:1;pointer-events:all;}
.contact-modal-card{
  position:relative;z-index:1;
  width:100%;max-width:440px;
  margin:auto;
  display:flex;flex-direction:column;
  border-radius:24px;
  overflow:hidden;
  background:rgba(245,245,247,.88);
  backdrop-filter:blur(48px) saturate(180%);
  -webkit-backdrop-filter:blur(48px) saturate(180%);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:
    0 0 0 .5px rgba(255,255,255,.7) inset,
    0 1.5px 0 rgba(255,255,255,1) inset,
    0 32px 80px rgba(0,0,0,.22),
    0 4px 20px rgba(0,0,0,.1);
  transform:scale(.93) translateY(24px);
  transition:transform .44s cubic-bezier(.34,1.4,.64,1), opacity .3s ease;
  opacity:0;
}
.contact-modal-overlay.open .contact-modal-card{transform:scale(1) translateY(0);opacity:1;}
[data-theme="dark"] .contact-modal-card{
  background:rgba(28,28,32,.85);
  border-color:rgba(255,255,255,.1);
  box-shadow:
    0 0 0 .5px rgba(255,255,255,.07) inset,
    0 1px 0 rgba(255,255,255,.13) inset,
    0 32px 80px rgba(0,0,0,.6),
    0 4px 20px rgba(0,0,0,.35);
}
.contact-modal-topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px 14px 18px;
  border-bottom:1px solid rgba(0,0,0,.07);
  background:rgba(255,255,255,.5);
}
[data-theme="dark"] .contact-modal-topbar{
  background:rgba(255,255,255,.04);
  border-bottom-color:rgba(255,255,255,.07);
}
.contact-modal-title{font-size:14px;font-weight:500;color:var(--text);letter-spacing:-.01em;}
.contact-modal-body{padding:20px 18px;background:rgba(255,255,255,.5);}
[data-theme="dark"] .contact-modal-body{background:rgba(255,255,255,.04);}
.contact-modal-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px;}
.contact-modal-group{display:flex;flex-direction:column;gap:5px;}
.contact-modal-label{font-size:12px;color:var(--text-sub);font-weight:400;}
.contact-modal-input,.contact-modal-textarea{
  width:100%;padding:10px 12px;border-radius:10px;border:1.5px solid rgba(0,0,0,.09);
  background:rgba(255,255,255,.6);color:var(--text);font-size:13.5px;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  outline:none;transition:border-color .15s,background .15s;box-sizing:border-box;
}
[data-theme="dark"] .contact-modal-input,[data-theme="dark"] .contact-modal-textarea{
  background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.1);
}
.contact-modal-input:focus,.contact-modal-textarea:focus{
  border-color:rgba(0,0,0,.25);background:rgba(255,255,255,.9);
}
[data-theme="dark"] .contact-modal-input:focus,[data-theme="dark"] .contact-modal-textarea:focus{
  border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.12);
}
.contact-modal-input::placeholder,.contact-modal-textarea::placeholder{color:var(--text-dim)}
.contact-modal-textarea{height:100px;resize:none;margin-bottom:12px;}
.contact-modal-send{
  width:100%;padding:12px;border-radius:13px;border:none;cursor:pointer;
  font-size:14px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  color:#fff;background:linear-gradient(145deg,#1a1a1a,#333);
  box-shadow:0 3px 12px rgba(0,0,0,.25),0 1px 0 rgba(255,255,255,.08) inset;
  transition:transform .17s,box-shadow .17s;
}
.contact-modal-send:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(0,0,0,.3);}
[data-theme="dark"] .contact-modal-send{background:linear-gradient(145deg,#fff,#ddd);color:#111;}

/* mobile */
@media(max-width:540px){
  .resume-overlay{padding:8px;align-items:flex-start;padding-top:8px;}
  .resume-card{border-radius:20px;max-height:calc(100vh - 16px);width:calc(100% - 0px);}
  .resume-preview{
    max-height:calc(100vh - 16px - 114px);
    overflow:hidden;
    aspect-ratio:210/297;
  }
  .resume-preview iframe{
    position:absolute;
    top:0;left:0;
    width:100%;
    height:100%;
    inset:0;
    transform:none;
  }
  .resume-preview::after{box-shadow:inset 0 0 0 4px #fff;}
}
/* compact height — ноутбуки с неполным браузером */
@media(max-height:800px){
  .resume-card{max-height:calc(100vh - 32px);}
  .resume-preview{max-height:calc(100vh - 32px - 114px);}
}

/* ─── CUSTOM PROJECT CURSOR ──────────────────────────────── */
.proj-cursor{
  position:fixed;
  top:0;left:0;
  pointer-events:none;
  z-index:9999;
  background:rgba(17,17,17,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  color:#fff;
  font-size:13px;
  font-weight:400;
  letter-spacing:.01em;
  padding:10px 16px;
  border-radius:99px;
  white-space:nowrap;
  opacity:0;
  display:flex;align-items:center;gap:7px;
  transform:translate(-50%,-50%);
  transition:opacity .15s ease;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text",Inter,"Helvetica Neue",Arial,sans-serif;
  will-change:transform;
}
.proj-cursor.visible{opacity:1;}
.project-card{cursor:none;}
[data-theme="dark"] .proj-cursor{background:rgba(255,255,255,.75);color:#111;}
@media(hover:none),(pointer:coarse){.proj-cursor{display:none!important;}.project-card{cursor:pointer;}}

/* ── Tilt image wrapper + skeleton loading ── */
.tilt-wrap { display:block; will-change:transform; margin-top:24px; position:relative; border-radius:var(--r); overflow:visible; }
.tilt-img { width:100%; display:block; border-radius:var(--r); transition:transform .12s ease, opacity .4s ease; will-change:transform; }

/* skeleton state */
.tilt-wrap.img-loading { background:var(--skeleton-base,#e8eaed); min-height:160px; }
.tilt-wrap.img-loading::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(90deg, transparent 0%, var(--skeleton-shine,rgba(255,255,255,.55)) 50%, transparent 100%);
  background-size:200% 100%;
  animation:skeleton-sweep 1.4s ease-in-out infinite;
  z-index:1;
}
.tilt-wrap.img-loading .tilt-img { opacity:0; }
@keyframes skeleton-sweep {
  0%   { background-position:-200% 0; }
  100% { background-position: 200% 0; }
}

/* skeleton for birsan (no tilt-wrap) */
.img-sk-wrap { position:relative; border-radius:var(--r); overflow:hidden; background:var(--skeleton-base,#e8eaed); }
.img-sk-wrap::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(90deg, transparent 0%, var(--skeleton-shine,rgba(255,255,255,.55)) 50%, transparent 100%);
  background-size:200% 100%;
  animation:skeleton-sweep 1.4s ease-in-out infinite;
  z-index:1; transition:opacity .3s ease;
}
.img-sk-wrap.img-loaded::after { opacity:0; pointer-events:none; }
.img-sk-wrap img { display:block; width:100%; opacity:0; transition:opacity .4s ease; border-radius:var(--r); }
.img-sk-wrap.img-loaded img { opacity:1; }

/* dark mode skeleton */
[data-theme="dark"] { --skeleton-base:#272727; --skeleton-shine:rgba(255,255,255,.06); }

/* ── Lightbox ── */
#lb-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity .22s ease;
  padding: 24px; gap: 16px;
}
#lb-overlay.open { opacity: 1; pointer-events: all; }
#lb-inner {
  position: relative; display: flex; align-items: center; gap: 16px;
  max-height: calc(100vh - 120px); width: 100%; max-width: 900px;
}
#lb-img-wrap {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 12px;
}
#lb-img {
  max-width: 100%; max-height: calc(100vh - 160px);
  border-radius: 12px; object-fit: contain;
  box-shadow: 0 32px 80px rgba(0,0,0,.5);
}
#lb-caption { color: rgba(255,255,255,.55); font-size: 12px; letter-spacing: .03em; }
#lb-close {
  position: fixed; top: 20px; right: 20px;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.12); color: #fff; border: none; cursor: pointer;
  z-index: 10001; display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
#lb-close:hover { background: rgba(255,255,255,.22); }
#lb-prev, #lb-next {
  width: 44px; height: 44px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,.1); color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
#lb-prev:hover, #lb-next:hover { background: rgba(255,255,255,.2); }
#lb-thumbs {
  display: flex; gap: 8px; justify-content: center; overflow-x: auto;
  max-width: 900px; width: 100%; scrollbar-width: none;
}
#lb-thumbs::-webkit-scrollbar { display: none; }
.lb-thumb {
  width: 64px; height: 48px; object-fit: cover; border-radius: 7px;
  opacity: .45; cursor: pointer; flex-shrink: 0;
  transition: opacity .15s, outline .15s; outline: 2px solid transparent;
}
.lb-thumb.active { opacity: 1; outline: 2px solid #fff; }
.lb-thumb:hover { opacity: .8; }

/* ─── VIEW TRANSITION (theme ripple) ─────────────────────── */
::view-transition-old(root) {
  animation: none;
  z-index: 1;
}
::view-transition-new(root) {
  animation: none;
  z-index: 9999;
}

/* disable CSS transitions during view-transition to prevent flash */
.no-transition *,
.no-transition *::before,
.no-transition *::after {
  transition: none !important;
}