/* ============================================================
   PORTFOLIO — Design System
   "Studio at night": graphite dark + single teal glow
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  --bg:        #0c1413;
  --bg-1:      #101a18;
  --surface:   #16221f;
  --surface-2: #1d2b27;
  --line:      rgba(170, 235, 224, 0.12);
  --line-soft: rgba(170, 235, 224, 0.06);

  --teal:      #22cf9a;
  --teal-soft: #5fe9bf;
  --teal-dim:  #149a72;
  --teal-glow: rgba(34, 207, 154, 0.45);

  --glow-1: rgba(34, 207, 154, 0.24);
  --glow-2: rgba(20, 154, 114, 0.18);
  --glow-3: rgba(34, 207, 154, 0.11);
  --glow:   1;

   --teal:      #14b8a6;
--teal-soft: #4ecfc1;
--teal-dim:  #0e8a7c;
--teal-glow: rgba(20, 184, 166, 0.45);
--glow-1:    rgba(20, 184, 166, 0.24);
--glow-2:    rgba(14, 138, 124, 0.18);
--glow-3:    rgba(20, 184, 166, 0.11);

  --secpad: clamp(96px, 14vh, 200px);

  --ink:       #eaf2f0;
  --ink-2:     #b9cac6;
  --muted:     #768c87;
  --muted-2:   #4c605c;

  --f-disp: "Bricolage Grotesque", "Vazirmatn", sans-serif;
  --f-body: "Hanken Grotesk", "Vazirmatn", sans-serif;
  --f-mono: "JetBrains Mono", "Vazirmatn", monospace;
  --f-fa:   "Vazirmatn", sans-serif;

  --gut: clamp(20px, 5vw, 124px);
  --maxw: 1480px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html[lang="fa"]{ --f-disp:"Estedad","Vazirmatn",sans-serif; --f-body:"Vazirmatn",sans-serif; }
html[lang="fa"] .hero-name,
html[lang="fa"] .contact-big{
  font-family:"Lalezar","Vazirmatn",sans-serif;
  font-weight:400 !important;
}

html[lang="fa"] .hero-name{ line-height:1.05; }

html[lang="fa"] .skill-card h3,
html[lang="fa"] .pack-cap .t,
html[lang="fa"] .rail-card .rc-cap .t{
  font-family:"Estedad","Vazirmatn",sans-serif;
}
/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:auto; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
::selection{ background:var(--teal); color:#04100d; }

/* thin dark scrollbar */
html{ scrollbar-width:thin; scrollbar-color:#1c3a34 transparent; }
::-webkit-scrollbar{ width:8px; height:8px; }
::-webkit-scrollbar-track{ background:#06100e; }
::-webkit-scrollbar-thumb{ background:#16302b; border-radius:20px; border:2px solid #06100e; }
::-webkit-scrollbar-thumb:hover{ background:#214d44; }

/* user-select lockdown */
.topbar,.lang,.kicker,.sec-num,.proj-cat,.proj-id .pn,.card-flip-hint,.rail-hint,.cursor,.cursor-label,.hero-scroll,.hero-meta,.orbs,.orb,.foot,.lightbox,.stat .l,.exp-when{ user-select:none; -webkit-user-select:none; }
.rail,.rail-card,.card-flip,.logo-cell,.jewel,.pack{ user-select:none; -webkit-user-select:none; }

@media (hover:hover) and (pointer:fine){
  body.cursor-on, body.cursor-on a, body.cursor-on button{ cursor:none; }
}

/* ---------- Atmosphere ---------- */
body::before{
  content:""; position:fixed; inset:0; z-index:9990; pointer-events:none;
  opacity:0.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.bg-glow{
  position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden;
  opacity:var(--glow, 1); transition:opacity .5s var(--ease);
}
.bg-glow span{
  position:absolute; border-radius:50%; filter:blur(120px); opacity:0.62;
}
.bg-glow .g1{ width:62vw; height:62vw; left:-16vw;right:auto; top:-22vh; background:radial-gradient(circle, var(--glow-1), transparent 70%); }
.bg-glow .g2{ width:52vw; height:52vw; right:-20vw;left:auto; top:38vh; background:radial-gradient(circle, var(--glow-2), transparent 70%); }
.bg-glow .g3{ width:42vw; height:42vw; left:28vw;right:auto; bottom:-20vh; background:radial-gradient(circle, var(--glow-3), transparent 72%); opacity:0.5; }
html[lang="fa"] .bg-glow .g1{right:-16vw;left:auto; }
html[lang="fa"] .bg-glow .g2{left:-20vw;right:auto;}
html[lang="fa"] .bg-glow .g3{right:28vw;left:auto; }
/* ---------- Custom cursor ---------- */
.cursor{
  position:fixed; top:0; left:0; z-index:9999; pointer-events:none;
  width:18px; height:18px; border-radius:50%;
  background:#eafffb; mix-blend-mode:difference;
  transform:translate(-50%,-50%) scale(1);
  transition:width .3s var(--ease), height .3s var(--ease), opacity .3s, background .3s;
  will-change:transform;
}
.cursor.is-hot{ width:64px; height:64px; background:var(--teal-soft); }
.cursor.is-hidden{ opacity:0; }
.cursor-label{
  position:fixed; top:0; left:0; z-index:9999; pointer-events:none;
  font-family:var(--f-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase;
  color:#04100d; transform:translate(-50%,-50%); opacity:0; transition:opacity .25s;
  font-weight:600;
}
.cursor-label.show{ opacity:1; }
@media (hover:none),(pointer:coarse){ .cursor,.cursor-label{ display:none; } }

/* ---------- Layout helpers ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut); }
section{ position:relative; z-index:1; }
.sec-pad{ padding-block:var(--secpad); }
body.density-cozy{ --secpad:clamp(70px,10vh,150px); }
body.density-airy{ --secpad:clamp(120px,18vh,264px); }

.kicker{
  font-family:var(--f-mono); font-size:12px; letter-spacing:.28em; text-transform:uppercase;
  color:var(--teal); display:inline-flex; align-items:center; gap:.7em;
}
.kicker::before{ content:""; width:26px; height:1px; background:var(--teal); opacity:.7; }
html[lang="fa"] .kicker{ letter-spacing:.04em; font-family:var(--f-mono); }

.sec-head{ display:flex; align-items:baseline; gap:.6em; margin-bottom:clamp(34px,5vh,66px); flex-wrap:wrap; }
.sec-title{
  font-family:var(--f-disp); font-weight:700; line-height:0.98;
  font-size:clamp(2rem,5.5vw,4.2rem); letter-spacing:-0.02em;
}
html[lang="fa"] .sec-title{ font-weight:800; letter-spacing:0; line-height:1.5; }
.sec-num{ font-family:var(--f-mono); font-size:13px; color:var(--muted-2); letter-spacing:.1em; }

.reveal{ opacity:0; }

/* ============================================================
   TOP BAR / LANG TOGGLE
   ============================================================ */
.topbar{
  position:fixed; inset-block-start:0; inset-inline:0; z-index:200;
  display:flex; justify-content:space-between; align-items:center;
  padding:clamp(16px,2.4vw,26px) var(--gut);
  pointer-events:none;
}

.lang{
  position:relative;
  pointer-events:auto; display:flex; align-items:center;
  font-family:var(--f-mono); font-size:12px; font-weight:600;
  border:1px solid var(--line); border-radius:100px; overflow:hidden;
  background:rgba(8,13,12,0.55); backdrop-filter:blur(10px);
}
.lang button{ padding:8px 15px; color:var(--muted); letter-spacing:.08em; transition:color .3s; position:relative; z-index:1; }
.lang button.active{ color:#04100d; }
.lang .pill{ position:absolute; left:0; top:3px; bottom:3px; width:0; border-radius:100px; background:var(--teal); transition:transform .45s var(--ease), width .45s var(--ease); z-index:0; }

/* ============================================================
   HERO
   ============================================================ */
.hero{ min-height:100svh; display:flex; align-items:center; padding-block:clamp(110px,16vh,150px) clamp(50px,8vh,90px); }
.hero-grid{ display:grid; grid-template-columns:1.15fr 0.85fr; gap:clamp(28px,5vw,76px); align-items:center; width:100%; }

.hero-eyebrow{ margin-bottom:clamp(18px,3vh,30px); }
.hero-name{
  font-family:var(--f-disp); font-weight:800; letter-spacing:-0.03em; line-height:0.9;
  font-size:clamp(2.7rem,8vw,6.6rem); color:var(--ink);
}
html[lang="fa"] .hero-name{ letter-spacing:0; line-height:1.08; font-weight:800; }
.hero-name .accent{ color:var(--teal); }
.hero-role{
  margin-top:clamp(16px,2.4vh,26px); font-size:clamp(1rem,1.5vw,1.4rem); color:var(--ink-2);
  max-width:30ch; font-weight:500;
}
.hero-meta{ margin-top:clamp(26px,4vh,44px); display:flex; flex-wrap:wrap; gap:10px 12px; }
.chip{
  font-family:var(--f-mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase;
  padding:8px 13px; border:1px solid var(--line); border-radius:100px; color:var(--ink-2);
  transition:border-color .35s, color .35s, transform .35s var(--ease);
}
html[lang="fa"] .chip{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }
.chip:hover{ border-color:var(--teal); color:var(--teal); transform:translateY(-2px); }
.hero-scroll{ margin-top:clamp(30px,5vh,50px); display:flex; align-items:center; gap:12px; color:var(--muted); font-family:var(--f-mono); font-size:11px; letter-spacing:.2em; text-transform:uppercase; }
html[lang="fa"] .hero-scroll{ letter-spacing:0; }
.hero-scroll .line{ width:48px; height:1px; background:var(--muted-2); position:relative; overflow:hidden; }
.hero-scroll .line::after{ content:""; position:absolute; inset:0; width:40%; background:var(--teal); animation:slide 2.4s var(--ease) infinite; }
@keyframes slide{ 0%{ transform:translateX(-120%) } 100%{ transform:translateX(320%) } }
.hero-cta{
  display:inline-flex; align-items:center; gap:10px; margin-top:clamp(20px,3vh,32px);
  padding:13px 26px; border-radius:100px;
  background:var(--teal); color:#04100d;
  font-family:var(--f-mono); font-size:12px; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  transition:background .3s, transform .3s var(--ease), box-shadow .3s;
  box-shadow:0 8px 28px -10px var(--teal-glow);
}
html[lang="fa"] .hero-cta{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); font-size:14px; }
.hero-cta:hover{ background:var(--teal-soft); transform:translateY(-2px); box-shadow:0 14px 40px -10px var(--teal-glow); }

.hero-portrait{ position:relative; aspect-ratio:1/1; }
.portrait-stage{
  position:relative; width:100%; aspect-ratio:1/1; border-radius:14px; overflow:hidden;
  background:var(--surface); box-shadow:0 40px 120px -40px rgba(0,0,0,.8);
   border-radius:50%;
mask-image:radial-gradient(circle, black 48%, transparent 74%);
-webkit-mask-image:radial-gradient(circle, black 48%, transparent 74%);
}
.portrait-stage canvas{ display:block; width:100%; height:100%; }
.portrait-stage .fallback{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.05); }
.portrait-frame{ position:absolute; inset:0; border:0px solid var(--line); border-radius:14px; pointer-events:none; z-index:2; }
.hero-portrait::before{
  content:""; position:absolute;
  inset:-4px; border-radius:50%;
  border:1px solid rgba(20,184,166,.22);
  box-shadow:0 0 28px 6px rgba(20,184,166,.09);
  pointer-events:none; z-index:3;
  animation:softAura 6s ease-in-out infinite;
}
.hero-portrait::after{
  content:""; position:absolute;
  inset:-16px; border-radius:50%;
  border:1px solid rgba(20,184,166,.1);
  box-shadow:0 0 48px 12px rgba(20,184,166,.05);
  pointer-events:none; z-index:3;
  animation:softAura 6s ease-in-out infinite;
  animation-delay:3s;
}
@keyframes softAura{
  0%,100%{ opacity:.45; }
  50%{ opacity:1; }
}
/* ============================================================
   ABOUT
   ============================================================ */
.about-grid{ display:grid; grid-template-columns:0.8fr 1.2fr; gap:clamp(30px,6vw,90px); align-items:start; }
.about-lead{ font-family:var(--f-disp); font-weight:500; font-size:clamp(1.3rem,2.6vw,2rem); line-height:1.3; letter-spacing:-0.01em; }
html[lang="fa"] .about-lead{ letter-spacing:0; line-height:1.7; font-weight:600; }
.about-lead .hl{ color:var(--teal); }
.about-body{ color:var(--ink-2); font-size:clamp(1rem,1.25vw,1.12rem); line-height:1.85; max-width:60ch; }
html[lang="fa"] .about-body{ line-height:2.1; }

/* ============================================================
   PROJECTS
   ============================================================ */
/* .proj-light{
  background:#f5f0e8;
  margin-inline:calc(-1 * var(--gut));
  padding-inline:var(--gut);
  padding-block:clamp(40px,6vw,72px);
  border-radius:28px;
  color:#1c1a17;
}
.proj-light .proj-name{ color:#1c1a17; }
.proj-light .proj-id .pn{ color:#a07840; }
.proj-light .proj-cat{ color:#7a6a58; }
.proj-light .proj-desc{ color:#4a4540; } */
.proj{ margin-bottom:clamp(120px,17vh,250px); }
.proj-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:20px; margin-bottom:clamp(24px,3.5vh,40px); flex-wrap:wrap; }
.proj-id{ display:flex; align-items:baseline; gap:14px; }
.proj-id .pn{ font-family:var(--f-mono); font-size:13px; color:var(--teal); }
.proj-name{ font-family:var(--f-disp); font-weight:700; font-size:clamp(1.5rem,3.4vw,2.6rem); letter-spacing:-0.02em; line-height:1; }
html[lang="fa"] .proj-name{ letter-spacing:0; line-height:1.3; font-weight:800; }
.proj-cat{ font-family:var(--f-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); text-align:end; }
html[lang="fa"] .proj-cat{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }
.proj-desc{ color:var(--ink-2); max-width:54ch; margin-top:6px; }

/* — Business card — */
.card-scene{ perspective:1500px; max-width:560px; margin-inline:auto; }
.card-tilt{ position:relative; width:100%; transform-style:preserve-3d; transition:transform .55s var(--ease); will-change:transform; }
.card-flip{
  position:relative; width:100%; aspect-ratio:1000/560; transform-style:preserve-3d;
  transition:transform 1s var(--ease); cursor:pointer;
}
.card-flip.flipped{ transform:rotateY(180deg); }
.card-face{ position:absolute; inset:0; backface-visibility:hidden; border-radius:14px; overflow:hidden;
  box-shadow:0 2px 0 rgba(255,255,255,.05) inset, 0 44px 90px -34px rgba(0,0,0,.9), 0 12px 30px -20px rgba(0,0,0,.7); border:1px solid var(--line); }
.card-face img{ width:100%; height:100%; object-fit:cover; }
.card-back{ transform:rotateY(180deg); }
.card-flip-hint{
  display:flex; align-items:center; justify-content:center; gap:10px; margin-top:22px;
  font-family:var(--f-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted);
}
html[lang="fa"] .card-flip-hint{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }
.card-flip-hint i{ width:7px; height:7px; border-radius:50%; background:var(--teal); }

/* — Logo grid — */
.logo-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.logo-cell{
  position:relative; aspect-ratio:4/3; border:1px solid rgba(34,207,154,0.18); border-radius:14px;
  background:linear-gradient(145deg,#1e312b,#162622); display:flex; align-items:center; justify-content:center;
  overflow:hidden; transition:border-color .5s, box-shadow .5s, transform .5s var(--ease);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07), 0 12px 32px -24px rgba(0,0,0,.8);
       background: #40404052;
    border: none !important;
}
.logo-cell::after{
  content:""; position:absolute; inset:0; pointer-events:none; mix-blend-mode:screen;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(34,207,154,.22), transparent 42%);
  opacity:0; transition:opacity .4s;
}
.logo-cell:hover{ border-color:var(--teal); transform:translateY(-3px);
  box-shadow:inset 0 1px 0 rgba(34,207,154,.08), 0 20px 48px -22px var(--teal-glow); }
.logo-cell:hover::after{ opacity:1; }
.logo-cell img{
  max-width:66%; max-height:60%; object-fit:contain;
  filter:saturate(.28) contrast(.9) brightness(1.55); transition:filter .55s var(--ease), transform .6s var(--ease);
}
.logo-cell:hover img{ filter:saturate(1) contrast(1) brightness(1); transform:scale(1.05); }
.logo-cell.is-rounded img{ border-radius:14px; }
.logo-cell.has-light-logo img{ filter:saturate(.34) contrast(.9) brightness(0.8); }
.logo-cell.has-light-logo:hover img{ filter:saturate(1) contrast(1) brightness(1); }
.logo-cell .lname{
  position:absolute; inset-block-end:11px; inset-inline-start:13px; font-family:var(--f-mono); font-size:10px;
  letter-spacing:.12em; text-transform:uppercase; color:var(--teal); opacity:0; transform:translateY(6px);
  transition:opacity .4s, transform .4s; }
.logo-cell:hover .lname{ opacity:0.8; transform:none; }

/* — Packaging — */
.pack-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(16px,2.4vw,44px); align-items:start; }
.pack{
  position:relative; border-radius:18px; padding:clamp(22px,3vw,44px);
   transform-style:preserve-3d; transition:box-shadow .4s, border-color .4s; will-change:transform;
    /* background:linear-gradient(155deg,var(--surface-2),var(--surface)); */
   /* border:1px solid var(--line); */
box-shadow: 0 50px 100px -42px rgba(45, 226, 201, .3);
    border-color: var(--line);
}
.pack::after{ content:""; position:absolute; left:14%; right:14%; bottom:-6px; height:24px; border-radius:50%;
  background:radial-gradient(ellipse at center, rgba(0,0,0,.5), transparent 70%); filter:blur(8px); z-index:-1; opacity:.7; transition:opacity .4s; }
.pack:nth-child(1){ margin-top:clamp(30px,5vw,70px); }
.pack:nth-child(2){ margin-top:0; }
.pack:nth-child(3){ margin-top:clamp(50px,8vw,110px); }
.pack:nth-child(4){ margin-top:clamp(16px,3vw,44px); }
.pack:hover{ box-shadow:0 50px 100px -42px rgba(45,226,201,.3); border-color:var(--line); }
.pack-img{ aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; transform:translateZ(40px); transition:transform .3s; }
.pack-img img{ max-height:100%; object-fit:contain; filter:drop-shadow(0 24px 40px rgba(0,0,0,.5)); }
.pack-cap{ margin-top:18px; transform:translateZ(22px); }
.pack-cap .t{ font-family:var(--f-disp); font-weight:600; font-size:1.05rem; }
html[lang="fa"] .pack-cap .t{ font-family:var(--f-fa); }
.pack-cap .s{ font-family:var(--f-mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-top:4px; }
html[lang="fa"] .pack-cap .s{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }

/* — Jewelry — */
.jewel-row{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:14px; }
.jewel{ position:relative; border-radius:14px; overflow:hidden; border:1px solid var(--line); aspect-ratio:3/4; }
.jewel:first-child{ aspect-ratio:auto; }
.jewel img{ width:100%; height:100%; object-fit:cover; transition:transform 1.1s var(--ease), filter .6s; filter:saturate(.92) brightness(.92); }
.jewel:hover img{ transform:scale(1.07); filter:saturate(1.05) brightness(1.02); }
.jewel::before{
  content:""; position:absolute; top:0; bottom:0; width:60%; z-index:2; pointer-events:none;
  background:linear-gradient(105deg, transparent, rgba(255,247,214,0.28) 45%, rgba(255,247,214,0.5) 50%, transparent 60%);
  transform:translateX(-160%) skewX(-12deg); transition:transform 0s;
}
.jewel:hover::before{ transform:translateX(260%) skewX(-12deg); transition:transform 1.1s var(--ease); }
.jewel .jlabel{ position:absolute; inset-block-end:0; inset-inline:0; z-index:3; pointer-events:none; padding:26px 18px 16px; background:linear-gradient(to top, rgba(4,10,9,.85), transparent);
  font-family:var(--f-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--ink-2); opacity:0; transition:opacity .4s; }
html[lang="fa"] .jewel .jlabel{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }
.jewel:hover .jlabel{ opacity:1; }

/* — Banner rail — */
.rail-wrap{ position:relative; scrollbar-width:none; overflow-x:auto; overflow-y:hidden; -webkit-overflow-scrolling:touch; overscroll-behavior-x:contain; cursor:grab; }
.rail-wrap.dragging{ cursor:grabbing; }
.rail-wrap::-webkit-scrollbar{ display:none; }
.rail{ display:flex; gap:18px; will-change:transform; padding-bottom:2px; }
.rail-card{
  position:relative; flex:0 0 auto; width:clamp(320px,35vw,500px); border-radius:14px; overflow:hidden;
  border:1px solid var(--line); background:var(--surface);
}
.rail-card img{ width:100%; height:100%; object-fit:cover; aspect-ratio:3/2; transition:transform .9s var(--ease), filter .5s; filter:brightness(.82); }
.rail-card:hover img{ transform:scale(1.05); filter:brightness(1); }
.rail-card .rc-cap{ position:absolute; inset-block-end:0; inset-inline:0; padding:24px 18px 14px; z-index:2; pointer-events:none;
  background:linear-gradient(to top, rgba(4,10,9,.9), transparent); }
.rail-card .rc-cap .t{ font-family:var(--f-disp); font-weight:600; font-size:1.05rem; }
html[lang="fa"] .rail-card .rc-cap .t{ font-family:var(--f-fa); }
.rail-card .rc-cap .c{ font-family:var(--f-mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase; color:var(--teal); margin-top:3px; }
html[lang="fa"] .rail-card .rc-cap .c{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }
.rail-hint{ font-family:var(--f-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); margin-top:18px; }
html[lang="fa"] .rail-hint{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp{ position:relative; border-block-start:1px solid var(--line); padding-block:clamp(28px,4vh,46px); display:grid; grid-template-columns:0.35fr 1fr; gap:clamp(20px,4vw,60px); }
.exp > *{ position:relative; z-index:1; }
.exp::before{ content:""; position:absolute; inset:6px clamp(-30px,-2.4vw,-16px); border-radius:18px; background:linear-gradient(90deg, rgba(34,207,154,0.07), transparent 72%); opacity:0; transition:opacity .4s; z-index:0; }
.exp:hover::before{ opacity:1; }
.exp-when{ font-family:var(--f-mono); font-size:12px; letter-spacing:.1em; color:var(--teal); }
html[lang="fa"] .exp-when{ letter-spacing:0; }
.exp-role{ font-family:var(--f-disp); font-weight:700; font-size:clamp(1.3rem,2.4vw,1.9rem); letter-spacing:-0.01em; }
html[lang="fa"] .exp-role{ letter-spacing:0; font-weight:800; }
.exp-org{ color:var(--muted); margin-top:4px; margin-bottom:18px; font-family:var(--f-mono); font-size:12.5px; }
html[lang="fa"] .exp-org{ font-family:var(--f-fa); }
.exp-list{ list-style:none; display:grid; gap:12px; }
.exp-list li{ position:relative; padding-inline-start:22px; color:var(--ink-2); line-height:1.65; }
.exp-list li::before{ content:""; position:absolute; inset-inline-start:0; inset-block-start:.7em; width:7px; height:7px; border-radius:50%; border:1px solid var(--teal); }

/* ============================================================
   SKILLS
   ============================================================ */
.skill-cols{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(20px,3vw,40px); }
.skill-card{ border:1px solid var(--line); border-radius:16px; padding:clamp(22px,2.6vw,34px); background:var(--surface); transition:border-color .4s, transform .4s var(--ease), background .4s; }
.skill-card:hover{ border-color:var(--line); transform:translateY(-4px); background:var(--surface-2); }
.skill-card h3{ font-family:var(--f-disp); font-weight:700; font-size:1.15rem; display:flex; align-items:center; gap:12px; margin-bottom:20px; }
html[lang="fa"] .skill-card h3{ font-family:var(--f-fa); font-weight:800; }
.skill-card h3 .ix{ font-family:var(--f-mono); font-size:11px; color:var(--teal); border:1px solid var(--line); width:30px; height:30px; display:grid; place-items:center; border-radius:8px; flex:0 0 auto; }
.skill-list{ list-style:none; display:grid; gap:13px; }
.skill-list li{ display:flex; gap:11px; color:var(--ink-2); line-height:1.5; font-size:.97rem; align-items:flex-start; }
.skill-list li svg{ flex:0 0 auto; margin-top:4px; color:var(--teal); }

/* ============================================================
   TOOLS — floating 3D orbs
   ============================================================ */
.orbs{ position:relative; width:100%; max-width:1080px; margin-inline:auto; height:clamp(460px,64vh,600px); }
.orb-slot{ position:absolute; will-change:transform; transition:transform .6s var(--ease); }
.orb{
  position:relative; border-radius:50%; display:grid; place-items:center; cursor:pointer;
  background:radial-gradient(circle at 33% 26%, rgba(255,255,255,.26), rgba(22,44,40,.55) 42%, rgba(6,14,13,.95) 100%);
  border:1px solid rgba(170,235,224,.14);
  box-shadow:
    inset 0 3px 12px rgba(255,255,255,.16),
    inset 0 -18px 34px rgba(0,0,0,.55),
    0 28px 54px -18px rgba(0,0,0,.72);
  transition:box-shadow .5s var(--ease), border-color .5s;
  will-change:transform; animation:orbFloat 8s ease-in-out infinite;
}
.orb::after{ content:""; position:absolute; top:9%; left:16%; width:34%; height:24%; border-radius:50%;
  background:radial-gradient(circle, rgba(255,255,255,.55), transparent 70%); filter:blur(2px); pointer-events:none; }
.orb-ico{ width:54%; height:54%; display:grid; place-items:center; filter:drop-shadow(0 5px 9px rgba(0,0,0,.45)); transition:transform .5s var(--ease); position:relative; z-index:1; }
.orb-ico svg{ width:100%; height:100%; display:block; }
.orb-ico img{ width:100%; height:100%; object-fit:contain; border-radius:16%; display:block; }
.orb:hover{ border-color:rgba(45,226,201,.5);
  box-shadow:
    inset 0 3px 14px rgba(255,255,255,.22),
    inset 0 -18px 34px rgba(0,0,0,.55),
    0 32px 64px -16px rgba(0,0,0,.72),
    0 0 52px -6px var(--teal-glow); }
.orb:hover .orb-ico{ transform:scale(1.09); }
.orb-name{ position:absolute; inset-block-end:-28px; inset-inline:-30px; text-align:center;
  font-family:var(--f-mono); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--teal);
  opacity:0; transform:translateY(-4px); transition:opacity .4s, transform .4s; white-space:nowrap; pointer-events:none; }
html[lang="fa"] .orb-name{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }
.orb-slot:hover .orb-name{ opacity:1; transform:none; }
@keyframes orbFloat{ 0%,100%{ transform:translateY(0) } 50%{ transform:translateY(-20px) } }
@media (max-width:760px){
  .orbs{ height:auto; display:flex; flex-wrap:wrap; gap:46px 30px; justify-content:center; align-items:center; padding-block:24px 30px; }
  .orb-slot{ position:static !important; transform:none !important; }
  .orb-name{ inset-inline:-20px; }
}

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
.contact{ padding-block:clamp(90px,15vh,200px) clamp(38px,6vh,76px); border-block-start:1px solid var(--line); position:relative; overflow:hidden; }
.contact-big{ font-family:var(--f-disp); font-weight:800; letter-spacing:-0.03em; line-height:0.92; font-size:clamp(2.6rem,9vw,8rem); }
html[lang="fa"] .contact-big{ letter-spacing:0; line-height:1.1; font-weight:800; }
.contact-big .o{ color:var(--teal); }
.contact-links{ margin-top:clamp(34px,6vh,64px); display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:16px; overflow:hidden; max-width:680px; }
.clink{ background:var(--bg-1); padding:clamp(20px,3vw,34px); display:flex; flex-direction:column; gap:8px; transition:background .4s; position:relative; }
.clink:hover{ background:var(--surface-2); }
.clink .cl-l{ font-family:var(--f-mono); font-size:10.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); }
html[lang="fa"] .clink .cl-l{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }
.clink .cl-v{ font-family:var(--f-disp); font-weight:600; font-size:clamp(1.05rem,1.8vw,1.5rem); color:var(--ink); word-break:break-word; transition:color .35s; }
.clink:hover .cl-v{ color:var(--teal); }
.clink .arrow{ position:absolute; inset-block-start:clamp(20px,3vw,34px); inset-inline-end:clamp(20px,3vw,34px); color:var(--muted); transition:color .35s, transform .35s var(--ease); }
.clink:hover .arrow{ color:var(--teal); transform:translate(3px,-3px); }
html[dir="rtl"] .clink:hover .arrow{ transform:translate(-3px,-3px); }

.foot{
  margin-top:clamp(40px,6vh,68px); padding-top:clamp(24px,3.5vh,36px); border-block-start:1px solid var(--line);
  display:flex; justify-content:space-between; align-items:center; gap:14px; flex-wrap:wrap;
}
.foot-credit{ font-family:var(--f-mono); font-size:16px; letter-spacing:.08em; color:var(--muted); opacity:.72; }
.foot-credit a{ color:inherit; border-bottom:1px solid transparent; transition:color .3s, border-color .3s, opacity .3s; }
.foot-credit a:hover{ color:var(--teal); border-color:var(--teal); opacity:1; }
html[lang="fa"] .foot-credit{ letter-spacing:0; font-family:var(--f-fa); font-size:16px; }
.foot-year{ font-family:var(--f-mono); font-size:16px; letter-spacing:.08em; color:var(--muted); opacity:.72; }
html[lang="fa"] .foot-year{ letter-spacing:0; font-family:var(--f-fa); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox{ position:fixed; inset:0; z-index:9997; display:grid; place-items:center; padding:6vmin;
  background:rgba(4,9,8,.92); backdrop-filter:blur(18px); opacity:0; pointer-events:none; transition:opacity .4s var(--ease); }
.lightbox.open{ opacity:1; pointer-events:auto; }
.lightbox img{ max-width:92vw; max-height:86vh; object-fit:contain; border-radius:14px;
  box-shadow:0 50px 130px -30px #000; border:1px solid var(--line); transform:scale(.93); transition:transform .55s var(--ease); }
.lightbox.open img{ transform:scale(1); }
/* logo lightbox gets a tinted bg so logos show clearly */
.lightbox.is-logo{ background:rgba(18,34,30,.96); }
.lightbox.is-logo img{ background:#1e3530; border-radius:18px; padding:24px; }
.lb-close{ position:fixed; inset-block-start:22px; inset-inline-end:22px; width:48px; height:48px; border-radius:50%;
  border:1px solid var(--line); background:rgba(8,13,12,.6); display:grid; place-items:center; color:var(--ink); transition:border-color .3s, color .3s, transform .3s var(--ease); }
.lb-close:hover{ border-color:var(--teal); color:var(--teal); transform:rotate(90deg); }
.lb-cap{ position:fixed; inset-block-end:26px; inset-inline:0; text-align:center; font-family:var(--f-mono); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--teal); }
html[lang="fa"] .lb-cap{ letter-spacing:0; text-transform:none; font-family:var(--f-fa); }

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader{
  position:fixed; inset:0; z-index:10000; background:var(--bg);
  display:grid; place-items:center; overflow:hidden;
}
.preloader.done{ pointer-events:none; }
.pre-core{ display:flex; align-items:center; gap:14px; }
.pre-dot{ width:9px; height:9px; border-radius:50%; background:var(--teal); box-shadow:0 0 20px 3px var(--teal-glow); }
.pre-line{ width:0; height:1px; background:linear-gradient(90deg, var(--teal-soft), transparent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .hero-grid{ grid-template-columns:1fr; gap:42px; text-align:center; justify-items:center; }
  .hero-copy{ display:flex; flex-direction:column; align-items:center; }
  .hero-eyebrow,.hero-name,.hero-role{ text-align:center; }
  .hero-role{ max-width:40ch; }
  .hero-meta{ justify-content:center; }
  .hero-scroll{ justify-content:center; }
  .hero-portrait{ max-width:440px; width:100%; margin-inline:auto; order:-1; }
  .about-grid{ grid-template-columns:1fr; gap:28px; }
  .skill-cols{ grid-template-columns:1fr; }
  .jewel-row{ grid-template-columns:1fr 1fr; }
  .jewel:first-child{ grid-column:1/-1; aspect-ratio:16/9; }
}
@media (max-width:760px){
  .pack-row{ grid-template-columns:1fr; max-width:380px; margin-inline:auto; }
.pack:nth-child(1),.pack:nth-child(3),.pack:nth-child(4){ margin-top:0; }
  .logo-grid{ grid-template-columns:repeat(2,1fr); }
  .exp{ grid-template-columns:1fr; gap:14px; }
  .jewel-row{ grid-template-columns:1fr; }
  .jewel{ aspect-ratio:4/3; }
  .jewel:first-child{ aspect-ratio:4/3; }
  .contact-links{ grid-template-columns:1fr; }
  .hero-name{ font-size:clamp(2.6rem,13vw,4rem); }
}
@media (max-width:680px){
  .foot{ flex-direction:column; gap:10px; }
}

/* large screens */
@media (min-width:1600px){
  body{ font-size:clamp(17px,0.98vw,19px); }
  .hero-name{ font-size:clamp(4rem,7.4vw,7.4rem); }
  .orbs{ max-width:1200px; height:clamp(520px,60vh,690px); }
}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.05ms !important; }
  .reveal{ opacity:1 !important; }
}

/* ============================================================
   TWEAKS PANEL (vanilla JS)
   ============================================================ */
.twk-panel{
  position:fixed; right:16px; bottom:16px; z-index:9998; width:272px;
  background:rgba(250,249,247,.82); color:#29261b;
  -webkit-backdrop-filter:blur(24px) saturate(160%);
  backdrop-filter:blur(24px) saturate(160%);
  border:.5px solid rgba(255,255,255,.6); border-radius:14px;
  box-shadow:0 1px 0 rgba(255,255,255,.5) inset, 0 12px 40px rgba(0,0,0,.22);
  font:11.5px/1.4 ui-sans-serif,system-ui,-apple-system,sans-serif;
  display:none; flex-direction:column; overflow:hidden;
}
.twk-panel.open{ display:flex; }
.twk-hd{ display:flex; align-items:center; justify-content:space-between; padding:10px 8px 10px 14px; cursor:move; user-select:none; }
.twk-hd b{ font-size:12px; font-weight:600; }
.twk-x{ appearance:none; border:0; background:transparent; color:rgba(41,38,27,.55); width:22px; height:22px; border-radius:6px; cursor:pointer; font-size:13px; line-height:1; display:grid; place-items:center; }
.twk-x:hover{ background:rgba(0,0,0,.06); color:#29261b; }
.twk-body{ padding:2px 14px 14px; display:flex; flex-direction:column; gap:10px; overflow-y:auto; }
.twk-sect{ font-size:10px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:rgba(41,38,27,.45); padding:10px 0 0; }
.twk-sect:first-child{ padding-top:0; }
.twk-row{ display:flex; flex-direction:column; gap:5px; }
.twk-lbl{ display:flex; justify-content:space-between; align-items:baseline; color:rgba(41,38,27,.72); }
.twk-lbl>span:first-child{ font-weight:500; }
.twk-val{ color:rgba(41,38,27,.5); font-variant-numeric:tabular-nums; }
.twk-slider{ appearance:none; width:100%; height:4px; margin:6px 0; border-radius:999px; background:rgba(0,0,0,.12); outline:none; }
.twk-slider::-webkit-slider-thumb{ -webkit-appearance:none; width:14px; height:14px; border-radius:50%; background:#fff; border:.5px solid rgba(0,0,0,.12); box-shadow:0 1px 3px rgba(0,0,0,.2); cursor:pointer; }
.twk-slider::-moz-range-thumb{ width:14px; height:14px; border-radius:50%; background:#fff; border:.5px solid rgba(0,0,0,.12); box-shadow:0 1px 3px rgba(0,0,0,.2); }
.twk-seg{ position:relative; display:flex; padding:2px; border-radius:8px; background:rgba(0,0,0,.06); user-select:none; }
.twk-seg-thumb{ position:absolute; top:2px; bottom:2px; border-radius:6px; background:rgba(255,255,255,.9); box-shadow:0 1px 2px rgba(0,0,0,.12); transition:left .15s, width .15s; }
.twk-seg button{ position:relative; z-index:1; flex:1; border:0; background:transparent; color:inherit; font:inherit; font-weight:500; min-height:22px; border-radius:6px; cursor:pointer; padding:4px 6px; line-height:1.2; }
.twk-chips{ display:flex; gap:6px; }
.twk-chip{ position:relative; flex:1; height:40px; border:0; border-radius:8px; cursor:pointer; box-shadow:0 0 0 .5px rgba(0,0,0,.14),0 1px 2px rgba(0,0,0,.08); transition:transform .12s, box-shadow .12s; }
.twk-chip:hover{ transform:translateY(-1px); }
.twk-chip.on{ box-shadow:0 0 0 2px rgba(0,0,0,.85),0 2px 6px rgba(0,0,0,.15); }
.twk-chip-check{ position:absolute; top:5px; left:5px; width:11px; height:11px; }

.to-top{
  position:fixed; inset-block-end:28px; inset-inline-end:28px; z-index:500;
  width:44px; height:44px; border-radius:50%;
  border:1px solid var(--line); background:rgba(12,20,19,.75);
  backdrop-filter:blur(12px); color:var(--teal);
  display:grid; place-items:center;
  opacity:0; pointer-events:none; transform:translateY(8px);
  transition:opacity .4s var(--ease), transform .4s var(--ease), border-color .3s, background .3s;
}
.to-top.show{ opacity:1; pointer-events:auto; transform:none; }
.to-top:hover{ border-color:var(--teal); background:rgba(20,184,166,.1); }