:root{
  --font-sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-display:"Space Grotesk","Inter",system-ui,sans-serif;
  --font-serif:"Instrument Serif",Georgia,serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-fa:"Vazirmatn","Inter",system-ui,sans-serif;
  --max:1180px;
  --r-sm:14px;--r-md:20px;--r-lg:28px;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --tap:44px;
}
html[data-theme="dark"]{
  --bg:#07070a;--bg-2:#0c0c12;
  --ink:#f4f5f9;--ink-2:#b6b9c6;--ink-3:#7e8296;
  --line:rgba(255,255,255,.10);--line-strong:rgba(255,255,255,.20);
  --violet:#8b6cff;--blue:#4aa8ff;--accent:#a48bff;
  --glass-bg:linear-gradient(150deg,rgba(255,255,255,.10),rgba(255,255,255,.035) 48%,rgba(255,255,255,.065));
  --glass-border:rgba(255,255,255,.14);
  --glass-shadow:0 24px 70px -24px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.26),inset 0 -1px 0 rgba(255,255,255,.05);
  --sheen:linear-gradient(150deg,rgba(255,255,255,.20),transparent 34%,transparent 68%,rgba(255,255,255,.07));
  --orb-bg:radial-gradient(circle at 32% 28%,rgba(255,255,255,.5),rgba(255,255,255,.06) 46%,rgba(139,108,255,.12) 68%,transparent 76%);
  --orb-border:rgba(255,255,255,.20);
  --glow:rgba(139,108,255,.38);
  --grid-line:rgba(255,255,255,.06);
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#eef0f6;--bg-2:#f9fafd;
  --ink:#101117;--ink-2:#4b4e5d;--ink-3:#787c8e;
  --line:rgba(16,17,23,.10);--line-strong:rgba(16,17,23,.18);
  --violet:#6b4dff;--blue:#1f7fff;--accent:#5b3df0;
  --glass-bg:linear-gradient(150deg,rgba(255,255,255,.92),rgba(255,255,255,.62) 48%,rgba(255,255,255,.82));
  --glass-border:rgba(255,255,255,.95);
  --glass-shadow:0 24px 60px -28px rgba(28,32,58,.38),inset 0 1px 0 #fff,inset 0 -1px 0 rgba(255,255,255,.7);
  --sheen:linear-gradient(150deg,rgba(255,255,255,.95),transparent 40%,transparent 70%,rgba(255,255,255,.5));
  --orb-bg:radial-gradient(circle at 32% 28%,rgba(255,255,255,.95),rgba(255,255,255,.45) 46%,rgba(107,77,255,.12) 70%,transparent 78%);
  --orb-border:rgba(255,255,255,.9);
  --glow:rgba(107,77,255,.25);
  --grid-line:rgba(16,17,23,.05);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{min-height:100svh;background:var(--bg);color:var(--ink);font-family:var(--font-sans);
  font-size:clamp(15px,.55vw + 13px,17px);line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;transition:background-color .6s var(--ease-out),color .6s var(--ease-out)}
html[lang="fa"] body{font-family:var(--font-fa);line-height:1.85}
html[lang="fa"] h1,html[lang="fa"] h2,html[lang="fa"] h3,
html[lang="fa"] .brand-text,html[lang="fa"] .hero-sub,html[lang="fa"] .btn,
html[lang="fa"] .footer-logo,html[lang="fa"] .social-name,
html[lang="fa"] .nav-label,html[lang="fa"] .footer-nav a,
html[lang="fa"] .footer-nav h3,html[lang="fa"] .social-desc,
html[lang="fa"] .contact-channel span,html[lang="fa"] .form-status{font-family:var(--font-fa)}
html[lang="fa"] .serif{font-family:var(--font-fa);font-style:normal;font-weight:600}
html[lang="fa"] .eyebrow,html[lang="fa"] .loader-status,html[lang="fa"] .ip-status,
html[lang="fa"] .project-tag,html[lang="fa"] .footer-nav h3,html[lang="fa"] .ip-chip,
html[lang="fa"] .scroll-hint,html[lang="fa"] .hero-eyebrow,
html[lang="fa"] .filter-btn,html[lang="fa"] .skill-tile span,
html[lang="fa"] .project-title,html[lang="fa"] .service-card h3,
html[lang="fa"] .service-card p,html[lang="fa"] .card p,
html[lang="fa"] .ip-error,html[lang="fa"] .field label,
html[lang="fa"] .field .err,html[lang="fa"] .info-row,
html[lang="fa"] .contact-channel small,html[lang="fa"] .to-top,
html[lang="fa"] .lang-btn,html[lang="fa"] .bento-card,html[lang="fa"] .project-empty{letter-spacing:0}
body.is-loading,body.is-locked{overflow:hidden}
img,svg{display:block;max-width:100%}
button,input,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
::selection{background:var(--violet);color:#fff}
.skip{position:fixed;top:10px;left:10px;z-index:1000;transform:translateY(-200%);background:var(--ink);color:var(--bg);padding:.6rem 1rem;border-radius:10px;transition:transform .3s var(--ease-out)}
html[dir="rtl"] .skip{left:auto;right:10px}
.skip:focus{transform:none}
/* ========== ATMOSPHERE ========== */
.bg{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;
  background:radial-gradient(120% 90% at 50% -10%,var(--bg-2),transparent 62%),var(--bg)}
.bg-glow{position:absolute;border-radius:50%;filter:blur(90px);will-change:transform}
.bg-glow--a{width:55vmax;height:55vmax;left:-18vmax;top:-22vmax;background:radial-gradient(circle,rgba(124,92,255,.30),transparent 62%)}
.bg-glow--b{width:48vmax;height:48vmax;right:-16vmax;top:22vh;background:radial-gradient(circle,rgba(58,160,255,.22),transparent 62%)}
.bg-glow--c{width:42vmax;height:42vmax;left:22vw;bottom:-24vmax;background:radial-gradient(circle,rgba(180,110,255,.16),transparent 62%)}
.bg-grid{position:absolute;inset:0;
  background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);
  background-size:84px 84px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 30%,#000,transparent 72%);opacity:.8}
.bg-grain{position:absolute;inset:-60%;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.bg-vignette{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 45%,transparent 45%,rgba(0,0,0,.35) 100%)}
html[data-theme="light"] .bg-vignette{background:radial-gradient(ellipse at 50% 45%,transparent 50%,rgba(30,35,60,.10) 100%)}
.cursor-glow{position:fixed;top:0;left:0;width:620px;height:620px;margin:-310px 0 0 -310px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,108,255,.16),transparent 62%);pointer-events:none;z-index:0;
  opacity:0;transition:opacity .6s;mix-blend-mode:screen;will-change:transform;display:none}
@media (hover:hover){ .cursor-glow{display:block} }
html[data-theme="light"] .cursor-glow{mix-blend-mode:multiply;background:radial-gradient(circle,rgba(107,77,255,.13),transparent 62%)}
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:300;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--violet),var(--blue),var(--violet));will-change:transform}
html[dir="rtl"] .scroll-progress{transform-origin:100% 50%}
/* ========== GLASS ========== */
.glass{position:relative;isolation:isolate;background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:var(--r-lg);box-shadow:var(--glass-shadow);
  -webkit-backdrop-filter:blur(24px) saturate(170%);backdrop-filter:blur(24px) saturate(170%)}
@media (max-width:720px){ .glass{-webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%)} }
.glass::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;
  background:var(--sheen);opacity:.55}
.glass::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(240px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.20),transparent 68%);
  opacity:0;transition:opacity .45s var(--ease-out)}
.glass:hover::after{opacity:1}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){
  .glass{background:rgba(16,16,22,.92)}
  html[data-theme="light"] .glass{background:rgba(255,255,255,.94)}
}
/* ========== TYPE & UTILS ========== */
.container{width:min(var(--max),100% - 40px);margin-inline:auto}
@media (max-width:520px){ .container{width:calc(100% - 28px)} }
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.05;letter-spacing:-.025em}
h2{font-size:clamp(1.7rem,4.4vw,3.4rem)}
h3{font-size:1.05rem;letter-spacing:-.01em}
p{color:var(--ink-2)}
.serif{font-family:var(--font-serif);font-style:italic;font-weight:400;
  background:linear-gradient(95deg,var(--violet),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:flex;align-items:center;gap:.65rem;font-family:var(--font-display);font-size:.72rem;
  letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3);margin-bottom:1rem}
.eyebrow::before{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--violet),transparent);flex:none}
html[dir="rtl"] .eyebrow::before{background:linear-gradient(270deg,var(--violet),transparent)}
.lede{font-size:clamp(1rem,1.4vw,1.12rem);color:var(--ink-2);max-width:62ch;margin-top:1.1rem}
.section{position:relative;padding:clamp(56px,8vw,110px) 0;z-index:1}
.page{padding-top:clamp(110px,15vh,160px)}
.section-head{max-width:720px;margin-bottom:clamp(1.8rem,4vw,3rem)}
.page-head{max-width:860px;margin-bottom:clamp(2rem,5vw,3.6rem)}
.page-title{font-size:clamp(2rem,6vw,4.4rem);letter-spacing:-.04em;line-height:1.05}
[data-reveal]{opacity:0;transform:translateY(26px);filter:blur(8px);
  transition:opacity .9s var(--ease-out),transform .9s var(--ease-out),filter .9s var(--ease-out);
  transition-delay:calc(var(--i,0) * 60ms)}
[data-reveal].in{opacity:1;transform:none;filter:none}
/* ========== BUTTONS ========== */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.82rem 1.35rem;min-height:var(--tap);border-radius:999px;border:1px solid var(--glass-border);
  background:var(--glass-bg);color:var(--ink);font-weight:600;font-size:.93rem;
  box-shadow:var(--glass-shadow);cursor:pointer;overflow:hidden;isolation:isolate;
  -webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px) saturate(160%);
  transition:transform .5s var(--ease-spring),box-shadow .4s,background .4s,color .3s;
  -webkit-tap-highlight-color:transparent}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(110deg,transparent 22%,rgba(255,255,255,.35) 46%,transparent 62%);
  transform:translateX(-130%);transition:transform .9s var(--ease-out)}
@media (hover:hover){ .btn:hover::after{transform:translateX(130%)} .btn:hover{transform:translateY(-2px)} }
.btn:active{transform:translateY(0) scale(.98)}
.btn .ico{width:1.05em;height:1.05em;transition:transform .5s var(--ease-spring)}
html[dir="rtl"] .btn .ico{transform:scaleX(-1)}
@media (hover:hover){
  .btn:hover .ico{transform:translateX(2px)}
  html[dir="rtl"] .btn:hover .ico{transform:scaleX(-1) translateX(2px)}
}
.btn--primary{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff;border-color:transparent;
  box-shadow:0 18px 44px -18px var(--glow),inset 0 1px 0 rgba(255,255,255,.45)}
.btn--sm{padding:.55rem .95rem;font-size:.82rem;min-height:38px}
.btn[disabled]{opacity:.55;pointer-events:none}
.lang-switch{display:flex;align-items:center;gap:2px;padding:2px;border-radius:999px;
  border:1px solid var(--line);background:rgba(128,128,160,.06);flex:none}
.lang-btn{min-width:32px;padding:.34rem .5rem;border-radius:999px;border:none;background:transparent;
  color:var(--ink-3);font-size:.72rem;font-weight:600;cursor:pointer;letter-spacing:.04em;
  font-family:var(--font-fa);transition:all .3s;-webkit-tap-highlight-color:transparent;line-height:1}
.lang-btn:hover{color:var(--ink)}
.lang-btn.is-active{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff;
  box-shadow:0 4px 12px -4px var(--glow)}
/* ========== THEME SWITCH (capsule) ========== */
.theme-switch{
  --w: 68px; --h: 30px; --b: 2px; --k: 22px; --p: 2px;
  --move: calc(var(--w) - var(--k) - var(--b) * 2 - var(--p) * 2);
  position: relative; width: var(--w); height: var(--h); border-radius: 999px;
  padding: 0; border: none; background: none; cursor: pointer; flex: none; outline: none;
  -webkit-tap-highlight-color: transparent; transition: transform 0.2s;
}
.theme-switch:active { transform: scale(0.95); }
.theme-switch:focus-visible { outline: 2px solid #4c8af5; outline-offset: 3px; border-radius: 999px; }
.ts-track{
  position: relative; display: block; width: 100%; height: 100%; border-radius: inherit;
  background: #3a77b6; border: var(--b) solid #f6f6f6;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15), inset 0 2px 4px rgba(0,0,0,0.2);
  overflow: hidden; transition: background 0.5s, border-color 0.5s, box-shadow 0.5s;
}
html[data-theme="dark"] .ts-track{
  background: #1c1e27; border-color: #2c2e37;
  box-shadow: 0 2px 6px rgba(0,0,0,0.4), inset 0 2px 4px rgba(0,0,0,0.4);
}
.ts-arcs{
  position: absolute; top: var(--p); left: var(--p); width: var(--k); height: var(--k);
  border-radius: 50%;
  box-shadow: 0 0 0 calc(var(--k) * 0.3) rgba(255,255,255,0.12), 0 0 0 calc(var(--k) * 0.6) rgba(255,255,255,0.12), 0 0 0 calc(var(--k) * 0.9) rgba(255,255,255,0.12);
  transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.5s; z-index: 1;
}
html[data-theme="dark"] .ts-arcs{
  transform: translateX(var(--move));
  box-shadow: 0 0 0 calc(var(--k) * 0.3) rgba(255,255,255,0.04), 0 0 0 calc(var(--k) * 0.6) rgba(255,255,255,0.04), 0 0 0 calc(var(--k) * 0.9) rgba(255,255,255,0.04);
}
.ts-knob{
  position: absolute; top: var(--p); left: var(--p); width: var(--k); height: var(--k);
  border-radius: 50%; transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1); z-index: 2;
}
html[data-theme="dark"] .ts-knob{ transform: translateX(var(--move)); }
.ts-sun, .ts-moon{ position: absolute; inset: 0; border-radius: 50%; transition: opacity 0.4s; }
.ts-sun{ background: #f3c22f; box-shadow: inset -2px -2px 4px rgba(180,100,0,0.4), inset 1px 1px 3px rgba(255,255,255,0.7); opacity: 1; }
.ts-moon{ background: #e4e5e8; box-shadow: inset -2px -2px 4px rgba(0,0,0,0.2), inset 1px 1px 3px rgba(255,255,255,0.9); opacity: 0; }
html[data-theme="dark"] .ts-sun{ opacity: 0; }
html[data-theme="dark"] .ts-moon{ opacity: 1; }
.ts-crater{ position: absolute; border-radius: 50%; background: #a9abb2; box-shadow: inset 1px 1px 2px rgba(0,0,0,0.3), inset -1px -1px 1.5px rgba(255,255,255,0.4); }
.ts-c1{ width: 32%; height: 32%; top: 15%; right: 20%; }
.ts-c2{ width: 42%; height: 42%; bottom: 15%; left: 15%; }
.ts-c3{ width: 28%; height: 28%; bottom: 20%; right: 15%; }
.ts-clouds{ position: absolute; inset: 0; transition: transform 0.6s cubic-bezier(0.55,0,0.75,0.2), opacity 0.4s; pointer-events: none; }
html[data-theme="dark"] .ts-clouds{ transform: translateY(100%) translateX(20%); opacity: 0; }
.ts-stars{ position: absolute; inset: 0; opacity: 0; transition: opacity 0.4s; pointer-events: none; }
html[data-theme="dark"] .ts-stars{ opacity: 1; }
.ts-stars .star{ transform-origin: center; animation: twinkle 2s infinite ease-in-out alternate; animation-delay: calc(var(--i) * 0.3s); }
@keyframes twinkle{ 0%{opacity:0.2; transform:scale(0.8);} 100%{opacity:1; transform:scale(1.2);} }
@media (prefers-reduced-motion: reduce){
  .theme-switch *, .theme-switch *::before, .theme-switch *::after{ animation: none !important; transition-duration: 0.01ms !important; transition-delay: 0ms !important; }
}
/* ========== LOADER ========== */
.loader{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;
  background:radial-gradient(circle at 50% 40%,#0e0e16,#050507 72%);color:#fff;
  transition:opacity .8s var(--ease-out),visibility .8s}
.loader.is-done{opacity:0;visibility:hidden}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:1.2rem}
.loader-logo{width:80px;height:80px;object-fit:contain;filter:drop-shadow(0 0 20px rgba(139,108,255,.6));animation:floatLogo 3s ease-in-out infinite}
@keyframes floatLogo{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-10px) scale(1.05)}}
.loader-word{display:flex;gap:.12em;font-family:var(--font-display);font-weight:700;
  font-size:2rem;letter-spacing:.18em;justify-content:center}
html[lang="en"] .loader-word{direction:ltr}
html[lang="fa"] .loader-word{font-family:var(--font-fa);letter-spacing:.02em}
.loader-word span{display:inline-block;opacity:0;transform:translateY(14px);
  animation:loaderLetter .7s var(--ease-out) forwards;animation-delay:calc(var(--i) * 90ms + 120ms)}
@keyframes loaderLetter{to{opacity:1;transform:none}}
.loader-bar{width:190px;height:2px;border-radius:2px;background:rgba(255,255,255,.12);overflow:hidden}
.loader-bar i{display:block;height:100%;width:100%;transform-origin:0 50%;
  background:linear-gradient(90deg,#8b6cff,#4aa8ff);animation:loaderFill 1.15s var(--ease-out) forwards}
@keyframes loaderFill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.loader-status{font-size:.7rem;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.45)}
/* ========== NAV ========== */
.nav-wrap{position:fixed;top:16px;left:0;right:0;z-index:120;display:flex;justify-content:center;
  padding:0 max(12px,env(safe-area-inset-left)) 0 max(12px,env(safe-area-inset-right));pointer-events:none}
.island{pointer-events:auto;display:flex;align-items:center;gap:.35rem;padding:.4rem .5rem;border-radius:999px;
  transition:padding .5s var(--ease-spring),transform .5s var(--ease-spring),box-shadow .4s;
  max-width:100%;flex-wrap:nowrap;overflow:hidden}
.island.is-compact{padding:.3rem .45rem;transform:scale(.96)}
.brand{display:flex;align-items:center;gap:.5rem;padding:.4rem .65rem .4rem .5rem;
  font-family:var(--font-display);font-weight:700;letter-spacing:.14em;font-size:.92rem;flex:none;min-width:0}
html[lang="en"] .brand{direction:ltr}
html[lang="fa"] .brand{font-family:var(--font-fa);letter-spacing:.02em;font-size:1rem}
.brand-logo{width:26px;height:26px;object-fit:contain;flex:none;border-radius:6px}
.brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-list{position:relative;display:flex;align-items:center;gap:.05rem;min-width:0}
.nav-link{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;gap:.42rem;
  padding:.55rem .7rem;min-width:38px;min-height:38px;border-radius:999px;
  color:var(--ink-2);font-size:.85rem;font-weight:500;
  transition:color .3s,transform .4s var(--ease-spring);-webkit-tap-highlight-color:transparent;flex:none}
@media (hover:hover){ .nav-link:hover{color:var(--ink);transform:translateY(-1px)} }
.nav-link[aria-current="page"]{color:var(--ink)}
.nav-link .ico{width:1.1em;height:1.1em;opacity:.78;transition:transform .5s var(--ease-spring),opacity .3s}
@media (hover:hover){ .nav-link:hover .ico{opacity:1;transform:translateY(-1px) scale(1.1)} }
.nav-indicator{position:absolute;top:50%;left:0;height:calc(100% - 4px);width:0;transform:translate(0,-50%);
  border-radius:999px;background:rgba(128,128,170,.16);border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);z-index:0;pointer-events:none;opacity:0;
  transition:transform .55s var(--ease-spring),width .55s var(--ease-spring),opacity .3s}
.nav-actions{display:flex;align-items:center;gap:.4rem;padding-left:.1rem;flex:none}

/* Nav breakpoints — everything must fit */
@media (max-width:940px){
  .nav-link .nav-label{display:none}
  .nav-link{padding:.5rem .55rem;min-width:36px}
  .brand{padding:.4rem .45rem}
}
@media (max-width:760px){
  .nav-wrap{top:12px;padding:0 10px}
  .island{padding:.35rem .42rem;gap:.2rem}
  .brand{padding:.35rem .42rem;gap:.35rem;font-size:.86rem}
  .brand-logo{width:22px;height:22px}
  .nav-link{padding:.45rem .5rem;min-width:34px;min-height:34px}
  .lang-btn{min-width:28px;padding:.28rem .38rem;font-size:.66rem}
  .theme-switch{--w:58px;--h:25px;--k:17px}
  .nav-actions{gap:.25rem}
}
@media (max-width:620px){
  .nav-wrap{top:10px;padding:0 8px}
  .island{padding:.3rem .35rem;gap:.15rem}
  .brand{padding:.32rem .38rem;gap:.28rem;font-size:.82rem;letter-spacing:.08em}
  html[lang="fa"] .brand{font-size:.88rem}
  .brand-logo{width:20px;height:20px}
  .nav-link{padding:.4rem .45rem;min-width:32px;min-height:32px}
  .nav-link .ico{width:1em;height:1em}
  .nav-list{gap:0}
  .lang-btn{min-width:24px;padding:.24rem .3rem;font-size:.6rem}
  .theme-switch{--w:52px;--h:23px;--k:15px}
  .nav-actions{gap:.2rem}
}
@media (max-width:520px){
  .brand .brand-text{display:none}
  .brand{padding:.32rem .38rem;gap:0}
  .island{padding:.28rem .32rem}
  .nav-link{padding:.35rem .4rem;min-width:30px;min-height:30px}
  .lang-btn{min-width:22px;padding:.22rem .28rem;font-size:.58rem}
  .theme-switch{--w:48px;--h:21px;--k:14px}
}
@media (max-width:420px){
  .island{padding:.26rem .3rem;gap:.1rem}
  .brand{padding:.28rem .3rem}
  .brand-logo{width:18px;height:18px}
  .nav-link{padding:.32rem .34rem;min-width:26px;min-height:28px}
  .nav-link .ico{width:.92em;height:.92em}
  .lang-btn{min-width:20px;padding:.2rem .24rem;font-size:.54rem}
  .theme-switch{--w:44px;--h:19px;--k:12px;--b:1.5px;--p:1.5px}
  .nav-actions{gap:.15rem}
}
@media (max-width:360px){
  .nav-link{padding:.28rem .3rem;min-width:24px;min-height:26px}
  .lang-btn{min-width:18px;padding:.18rem .22rem;font-size:.5rem}
  .theme-switch{--w:40px;--h:18px;--k:11px}
}

/* ========== FOOTER ========== */
.footer{position:relative;z-index:1;margin-top:clamp(50px,8vw,90px);
  padding:clamp(2.2rem,5vw,4rem) 0 1.2rem;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem;padding-bottom:1.6rem}
@media (max-width:780px){ .footer-grid{grid-template-columns:1fr 1fr} }
@media (max-width:480px){ .footer-grid{grid-template-columns:1fr} }
.footer-logo{display:inline-flex;align-items:center;gap:0.6rem;font-family:var(--font-display);
  font-weight:700;font-size:1.3rem;letter-spacing:.14em;margin-bottom:.5rem;text-decoration:none}
html[lang="en"] .footer-logo{direction:ltr}
html[lang="fa"] .footer-logo{font-family:var(--font-fa);letter-spacing:.02em;font-size:1.4rem}
.footer-logo-img{width:32px;height:32px;object-fit:contain;border-radius:8px}
.footer-brand p{font-size:.84rem;max-width:32ch;color:var(--ink-3);margin-top:0.5rem}
.footer-socials{display:flex;gap:.45rem;margin-top:.9rem}
.footer-socials a{width:40px;height:40px;border-radius:11px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);transition:all .4s var(--ease-spring);
  -webkit-tap-highlight-color:transparent}
@media (hover:hover){ .footer-socials a:hover{color:var(--accent);border-color:var(--line-strong);transform:translateY(-2px)} }
.footer-socials svg{width:16px;height:16px}
.footer-nav{display:flex;flex-direction:column;gap:.5rem;font-size:.86rem}
.footer-nav h3{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);
  font-family:var(--font-display);font-weight:500;margin-bottom:.3rem}
.footer-nav a{color:var(--ink-2);transition:color .3s,transform .4s var(--ease-spring);width:fit-content;padding:.15rem 0}
@media (hover:hover){
  .footer-nav a:hover{color:var(--accent);transform:translateX(3px)}
  html[dir="rtl"] .footer-nav a:hover{transform:translateX(-3px)}
}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:.8rem;flex-wrap:wrap;
  padding-top:1.2rem;border-top:1px solid var(--line);font-size:.76rem;color:var(--ink-3)}
.to-top{display:flex;align-items:center;gap:.4rem;background:transparent;border:none;color:var(--ink-2);
  cursor:pointer;padding:.55rem .7rem;min-height:38px;border-radius:8px;transition:all .3s;-webkit-tap-highlight-color:transparent}
.to-top:hover{color:var(--accent)}
.to-top svg{width:14px;height:14px;transition:transform .4s var(--ease-spring)}
.to-top:hover svg{transform:translateY(-3px)}
#view{transition:opacity .3s var(--ease-out)}
#view.is-leaving{opacity:0}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  [data-reveal]{opacity:1;transform:none;filter:none}
  .project-card{opacity:1;transform:none;filter:none}
  .hero-name span,.hero-desc,.hero-actions,.scroll-hint{opacity:1;transform:none;filter:none}
}
@supports (padding: max(0px)){
  .footer{padding-bottom:max(1.2rem, env(safe-area-inset-bottom))}
  .nav-wrap{top:max(12px, env(safe-area-inset-top))}
}

/* =====================================================================
   Shared fixes + mobile optimisation (appended after the original CSS)
   ===================================================================== */

/* ---------- Persian display accent, self-hosted from the user's fonts ----------
   Neirizi (نیری زی) is a Persian calligraphic hand: thin, high-contrast,
   flowing strokes with long tails — the Farsi counterpart of the English
   "Instrument Serif" italic accent. Packed as WOFF by _source/make_woff.py.
   Only used by html[lang="fa"] .serif, so English pages never download it. */
@font-face{
  font-family:"RitmScript";
  src:url("../fonts/ritm-script.woff") format("woff");
  font-style:normal;font-weight:400;font-display:swap;
}
:root{--font-fa-script:"RitmScript","Vazirmatn","Inter",system-ui,sans-serif}
html[lang="fa"] .serif{
  font-family:var(--font-fa-script);
  font-style:normal;font-weight:400;
  /* Persian calligraphic glyphs sit lower and run wider than Vazirmatn:
     a slightly larger size + vertical padding keeps the gradient-clipped
     tails from being cut off by the inline box. */
  font-size:1.26em;line-height:1;letter-spacing:0;
  padding:.10em .04em .24em;margin:0 -.04em;
  vertical-align:baseline;
}
html[lang="fa"] .hero-sub .serif,html[lang="fa"] .about-manifesto .serif{
  font-size:1.34em;padding-bottom:.28em;
}

/* .card was used everywhere but never defined in the original */
.card{padding:clamp(1.2rem,2.5vw,1.6rem);border-radius:var(--r-md)}

/* Original nav-wrap swapped safe-area left/right values */
.nav-wrap{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}
.island{position:relative}

/* Long words / IP strings must never blow out a narrow viewport */
.page-title,.hero-sub,.about-manifesto,.lede,.ip-display,.ip-meta,
.project-title,.social-handle,.contact-channel small,.bc-desc,.card p{
  overflow-wrap:anywhere;
}

/* Cross-document fade for browsers with the View Transitions API */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.35s}
.is-ready #view{animation:pageIn .55s var(--ease-out) both}
@keyframes pageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* =====================================================================
   MOBILE NAVIGATION — full redesign
   Desktop keeps the floating glass island. On phones it becomes a roomy
   full-width bar (brand + language + theme + menu) and the links move to a
   bottom sheet with its own scrim, so no dropdown ever overlaps hero text.
   ===================================================================== */
.nav-toggle{
  position:relative;display:none;width:40px;height:40px;min-height:40px;border-radius:999px;
  border:1px solid var(--line);background:rgba(128,128,170,.12);color:var(--ink);
  cursor:pointer;flex:none;-webkit-tap-highlight-color:transparent;
  transition:background .3s,border-color .3s,transform .35s var(--ease-spring);
}
.nav-toggle:hover{background:rgba(139,108,255,.18);border-color:var(--line-strong)}
/* Absolutely-positioned bars rotate around the exact centre. The old stacked
   block+margin version translated by less than the row spacing, so the "X"
   was actually a skewed chevron. */
.nav-toggle span{position:absolute;left:50%;top:50%;display:block;
  width:17px;height:1.8px;margin:0;border-radius:2px;background:currentColor;
  transition:transform .35s var(--ease-spring),opacity .25s}
.nav-toggle span:nth-child(1){transform:translate(-50%,calc(-50% - 5.5px))}
.nav-toggle span:nth-child(2){transform:translate(-50%,-50%)}
.nav-toggle span:nth-child(3){transform:translate(-50%,calc(-50% + 5.5px))}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translate(-50%,-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;transform:translate(-50%,-50%)}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translate(-50%,-50%) rotate(-45deg)}
/* The whole button is the tap target on mobile — no wrapper with dead zones. */

/* Scrim + sheet live at body level (outside .island): backdrop-filter on the
   glass bar would otherwise become the containing block for fixed children. */
.nav-scrim{
  position:fixed;inset:0;z-index:110;display:none;
  background:rgba(4,4,12,.62);
  -webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);
  opacity:0;visibility:hidden;
  transition:opacity .34s var(--ease-out),visibility .34s;
  -webkit-tap-highlight-color:transparent;
}
.mobile-sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:140;display:none;
  flex-direction:column;
  padding:10px 16px calc(18px + env(safe-area-inset-bottom));
  background:#11111b;
  border:1px solid rgba(255,255,255,.13);border-bottom:0;
  border-radius:26px 26px 0 0;
  box-shadow:0 -26px 80px -22px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.12);
  transform:translateY(103%);visibility:hidden;
  transition:transform .44s var(--ease-out),visibility .44s;
  max-height:min(86svh,760px);overflow-y:auto;overscroll-behavior:contain;
  -webkit-overflow-scrolling:touch;
}
html[data-theme="light"] .mobile-sheet{
  background:#f7f8fc;border-color:rgba(16,17,23,.10);
  box-shadow:0 -26px 64px -24px rgba(28,32,58,.38),inset 0 1px 0 #fff;
}
.sheet-grab{width:42px;height:4px;flex:none;border-radius:99px;
  background:rgba(150,150,185,.42);margin:2px auto 14px}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:0 4px 12px;flex:none}
.sheet-title{font-family:var(--font-display);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink-3)}
.sheet-close{width:40px;height:40px;flex:none;border-radius:13px;display:grid;place-items:center;
  border:1px solid var(--line);background:rgba(128,128,170,.10);color:var(--ink-2);
  cursor:pointer;-webkit-tap-highlight-color:transparent;transition:background .3s,color .3s}
.sheet-close:hover{background:rgba(139,108,255,.18);color:var(--ink)}
.sheet-close .ico{width:17px;height:17px}
.sheet-links{display:flex;flex-direction:column;gap:5px}
.sheet-link{
  position:relative;display:flex;align-items:center;justify-content:flex-start;gap:.9rem;
  min-height:58px;padding:.55rem .8rem;border-radius:16px;
  color:var(--ink-2);font-size:1rem;font-weight:500;
  transition:background .28s,color .28s,transform .35s var(--ease-spring);
  -webkit-tap-highlight-color:transparent;
}
.sheet-link .sheet-ico{width:36px;height:36px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:rgba(139,108,255,.10);border:1px solid var(--line);color:var(--ink-2);
  transition:background .3s,color .3s,border-color .3s}
.sheet-link .sheet-ico .ico{width:19px;height:19px;opacity:1}
.sheet-link .nav-label{flex:1;display:inline;min-width:0}
.sheet-link::after{content:"";width:8px;height:8px;flex:none;margin-inline-end:5px;
  border-top:1.7px solid currentColor;border-right:1.7px solid currentColor;
  transform:rotate(45deg);opacity:.35}
html[dir="rtl"] .sheet-link::after{transform:rotate(225deg)}
.sheet-link[aria-current="page"]{
  background:linear-gradient(95deg,rgba(139,108,255,.24),rgba(74,168,255,.12));
  color:var(--ink);
}
.sheet-link[aria-current="page"] .sheet-ico{
  background:linear-gradient(135deg,var(--violet),var(--blue));
  border-color:transparent;color:#fff;
}
.sheet-link:active{transform:scale(.985)}
.sheet-foot{margin-top:14px;padding:12px 6px 0;border-top:1px solid var(--line);
  font-size:.72rem;color:var(--ink-3)}

@media (max-width:760px){
  .nav-scrim,.mobile-sheet{display:flex}

  /* --- top bar: full-width capsule, ~50px tall --- */
  .nav-wrap{top:0;padding:max(8px,env(safe-area-inset-top)) 10px 0}
  .island{
    width:100%;max-width:none;border-radius:999px;min-height:50px;
    display:flex;align-items:center;justify-content:space-between;gap:.35rem;
    padding:.30rem .38rem;overflow:visible;
  }
  .island.is-compact{transform:none;padding:.30rem .38rem}
  .nav-list,.nav-indicator{display:none!important}
  .brand{flex:1 1 auto;min-width:0;gap:.5rem;padding:.1rem .2rem;font-size:.92rem;letter-spacing:.1em}
  .brand-logo{width:26px;height:26px;border-radius:8px}
  .brand .brand-text{display:inline!important;font-size:.92rem;letter-spacing:.12em;
    overflow:hidden;text-overflow:ellipsis}
  html[lang="fa"] .brand{font-size:.94rem}
  .nav-actions{flex:none;gap:5px;padding-left:0;align-items:center}

  /* language: a small, true capsule (999px on both the group and its buttons) */
  .lang-switch{height:34px;padding:2px;gap:1px;border-radius:999px;
    background:rgba(128,128,170,.10);border-color:var(--line)}
  .lang-btn{min-width:30px;height:28px;min-height:28px;padding:0 .28rem;
    border-radius:999px;font-size:.64rem;letter-spacing:.02em;
    color:var(--ink-2);font-family:var(--font-display)}

  /* theme: one capsule button whose WHOLE 40px height is tappable.
     The decorative cloud/star SVGs distort at this size and made the control
     look glitchy on phones, so they are replaced by a clean sun/moon knob. */
  .theme-switch{
    --w:46px;--h:26px;--k:20px;--b:1px;--p:2px;
    width:56px;height:40px;display:grid;place-items:center;
    border-radius:999px;border:1px solid var(--line);
    background:rgba(128,128,170,.10);
  }
  .theme-switch .ts-track{width:var(--w);height:var(--h)}
  .theme-switch .ts-arcs,.theme-switch .ts-stars,
  .theme-switch .ts-clouds,.theme-switch .ts-crater{display:none}
  .theme-switch .ts-sun{background:linear-gradient(135deg,#ffd75e,#ff9d4d);
    box-shadow:0 0 10px rgba(255,190,80,.55)}
  .theme-switch .ts-moon{background:linear-gradient(135deg,#eef0fa,#aab4d4);
    box-shadow:inset -2px -2px 4px rgba(60,70,110,.35)}
  html[data-theme="dark"] .theme-switch .ts-track{background:#1b1d2a;border-color:rgba(255,255,255,.14)}
  html[data-theme="light"] .theme-switch .ts-track{background:linear-gradient(135deg,#9ccbff,#e2f1ff)}
  .nav-toggle{display:block;width:40px;height:40px;min-height:40px;
    border-radius:999px;background:rgba(128,128,170,.10)}

  /* --- open state --- */
  body.sheet-open{overflow:hidden}
  body.sheet-open .nav-scrim{opacity:1;visibility:visible}
  body.sheet-open .mobile-sheet{transform:translateY(0);visibility:visible}

  .page{padding-top:clamp(96px,16vh,140px)}
}
@media (max-width:380px){
  .nav-wrap{padding-left:8px;padding-right:8px}
  .island{padding:.28rem .32rem;min-height:46px;gap:.25rem}
  .brand{gap:.4rem}
  .brand-logo{width:23px;height:23px}
  .brand .brand-text{font-size:.86rem}
  .nav-actions{gap:4px}
  .lang-switch{height:32px;padding:2px}
  .lang-btn{min-width:27px;height:26px;min-height:26px;font-size:.6rem;padding:0 .22rem}
  .theme-switch{--w:42px;--h:24px;--k:18px;width:50px;height:38px}
  .nav-toggle{width:38px;height:38px;min-height:38px}
}
@media (max-width:330px){
  .brand .brand-text{display:none!important}
  .theme-switch{--w:40px;--h:22px;--k:16px;width:46px;height:36px}
  .nav-toggle{width:36px;height:36px;min-height:36px}
}
@media (prefers-reduced-motion:reduce){
  .mobile-sheet,.nav-scrim{transition-duration:.001ms}
}

/* ---------- touch devices: far less GPU work, same liquid look ---------- */
@media (hover:none){
  .bg-glow{filter:blur(60px)}
  .bg-grain{display:none}
  .glass{-webkit-backdrop-filter:blur(12px) saturate(150%);backdrop-filter:blur(12px) saturate(150%)}
  .cursor-glow{display:none}
  .btn,.social-card,.bento-card,.service-card,.skill-tile{will-change:auto}
}
@media (max-width:720px){
  .glass{-webkit-backdrop-filter:blur(12px) saturate(150%);backdrop-filter:blur(12px) saturate(150%)}
  .bg-glow{filter:blur(60px)}
  .bg-grain{display:none}
}
@media (prefers-reduced-motion:reduce){
  .is-ready #view{animation:none}
  .liquid-canvas{display:none}
}

/* =====================================================================
   Liquid-glass optics  ·  CSS layer
   The WebGL canvas (assets/js/liquid-glass.js) paints softly refracted
   light behind the DOM; .glass cards then refract that light for real via
   backdrop-filter. Specular rims + pointer-tracked sheen below reproduce
   the "thick glass" read without stacking dozens of blur layers.
   ===================================================================== */

.liquid-canvas{
  position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;
  opacity:0;transition:opacity 1.2s ease;
}
.has-liquid .liquid-canvas{opacity:.9}
html[data-theme="light"] .has-liquid .liquid-canvas{opacity:.55}
@media (hover:none),(max-width:820px),(prefers-reduced-motion:reduce){
  .liquid-canvas{display:none}
}

@media (min-width:721px) and (hover:hover){
  .glass{
    -webkit-backdrop-filter:blur(26px) saturate(182%) brightness(1.05);
    backdrop-filter:blur(26px) saturate(182%) brightness(1.05);
    box-shadow:var(--glass-shadow),inset 0 0 0 1px rgba(255,255,255,.05),
               inset 0 1px 1px rgba(255,255,255,.16);
  }
  html[data-theme="light"] .glass{
    -webkit-backdrop-filter:blur(26px) saturate(165%) brightness(1.02);
    backdrop-filter:blur(26px) saturate(165%) brightness(1.02);
  }
}

/* Slow drifting specular band on the nav capsule (G2-style soft corners) */
@media (hover:hover){
  .island::before{
    background-image:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.28) 46%,transparent 66%);
    background-size:220% 100%;
    animation:glassDrift 16s linear infinite;
  }
  @keyframes glassDrift{from{background-position:0% 50%}to{background-position:220% 50%}}
}
.glass::after{
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.26),transparent 68%);
}
@media (prefers-reduced-motion:reduce){ .island::before{animation:none} }