@font-face{
  font-family:"B Mitra";
  src:url("fonts/BMitra.woff") format("woff");
  font-weight:400;
  font-style:normal;
  font-display:swap;
}
:root{
  --white:#FFFFFF; --off:#F8FAFC; --navy:#0F172A; --blue:#1E3A8A; --accent:#1D4ED8;
  --border:#E2E8F0; --border2:#CBD5E1; --text:#0F172A; --muted:#475569;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  background:var(--white);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
.container{max-width:1080px;margin:0 auto;padding:0 1.25rem}
/* Navbar */
.navbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{font-weight:800;font-size:1.25rem;color:var(--navy);text-decoration:none;letter-spacing:-.02em;display:inline-flex;align-items:center;gap:.5rem}
.brand-dot{width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--accent),var(--blue));display:inline-block}
.nav-links{display:flex;gap:1.5rem}
.nav-links a{color:var(--muted);text-decoration:none;font-weight:500;font-size:.95rem;transition:color .2s}
.nav-links a:hover{color:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:.75rem}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--navy);border-radius:2px;transition:.3s}
/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.4rem;border-radius:10px;font-weight:600;font-size:.95rem;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:.2s;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--blue);transform:translateY(-1px);box-shadow:0 8px 20px rgba(29,78,216,.25)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--border2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:.45rem 1rem;font-size:.85rem}
/* Hero */
.hero{background:linear-gradient(180deg,var(--off) 0%,#fff 100%);border-bottom:1px solid var(--border)}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:2.5rem;padding:4.5rem 1.25rem}
.hero-badges{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.25rem}
.pill{font-size:.75rem;font-weight:600;color:var(--blue);background:#EEF2FF;border:1px solid #DBEAFE;padding:.25rem .7rem;border-radius:999px}
.hero-title{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.03em;color:var(--navy);line-height:1.15}
.hero-subtitle{display:block;font-size:.5em;font-weight:600;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-top:.35rem}
.tagline{margin-top:1rem;font-size:1.15rem;font-weight:600;color:var(--blue)}
.bio{margin-top:.9rem;color:var(--muted);max-width:56ch}
.cta-row{display:flex;gap:.9rem;margin-top:1.75rem;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center}
.avatar{width:min(260px,70vw);height:auto;aspect-ratio:1;object-fit:cover;object-position:50% 25%;border-radius:24px;filter:drop-shadow(0 24px 40px rgba(30,58,138,.18))}
/* Sections */
.section{padding:4.5rem 0}
.section-alt{background:var(--off);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-title{font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.section-desc{color:var(--muted);margin-top:.5rem}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:1.5rem;margin-top:2.25rem}
.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:1.75rem;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(15,23,42,.08);border-color:var(--border2)}
.card-icon{font-size:1.6rem;width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:#EEF2FF;border:1px solid #DBEAFE;border-radius:12px;margin-bottom:1rem}
.card h3{font-size:1.1rem;color:var(--navy);margin-bottom:.6rem;font-weight:700}
.card p{color:var(--muted);font-size:.95rem;margin-top:.75rem}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem}
.tags li{font-size:.72rem;font-weight:600;color:var(--blue);background:#F1F5F9;border:1px solid var(--border);border-radius:6px;padding:.2rem .55rem}
.bullets{list-style:none;margin:.5rem 0 1rem;display:grid;gap:.5rem}
.bullets li{position:relative;padding-inline-start:1.1rem;color:var(--muted);font-size:.92rem}
.bullets li::before{content:"";position:absolute;inset-inline-start:0;top:.55em;width:6px;height:6px;border-radius:2px;background:var(--accent)}
/* Timeline */
.timeline{list-style:none;margin-top:2.5rem;position:relative;padding-inline-start:2rem}
.timeline::before{content:"";position:absolute;inset-inline-start:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),var(--border))}
.tl-item{position:relative;padding-bottom:2rem}
.tl-marker{position:absolute;inset-inline-start:-2rem;top:4px;width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--accent);box-shadow:0 0 0 4px #EEF2FF}
.tl-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:1.5rem;transition:border-color .25s,box-shadow .25s}
.tl-card:hover{border-color:var(--border2);box-shadow:0 12px 28px rgba(15,23,42,.07)}
.tl-date{font-size:.78rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}
.tl-card h3{margin:.35rem 0 .5rem;color:var(--navy)}
.tl-card p{color:var(--muted);font-size:.95rem}
/* Contact */
.contact-wrap{text-align:center}
.email-row{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}
.socials{display:flex;gap:1.5rem;justify-content:center;margin-top:2.25rem}
.socials a{color:var(--blue);font-weight:600;text-decoration:none;border-bottom:2px solid transparent;transition:.2s}
.socials a:hover{color:var(--accent);border-color:var(--accent)}
/* Footer */
.footer{background:var(--navy);color:#CBD5E1;padding:2rem 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer .brand{color:#fff}
/* English typography: Times New Roman for the English version. */
html[lang="en"] body{font-family:"Times New Roman",Times,Georgia,serif}

/* Language and bidirectional text */
.language-switch{white-space:nowrap}
.brand,bdi{direction:ltr;unicode-bidi:isolate}
html[lang="fa"] body{font-family:"B Mitra",Tahoma,"Segoe UI",Arial,sans-serif;font-size:1.2rem;line-height:1.9}
html[lang="fa"] .nav-links a{font-size:1.1rem}
html[lang="fa"] .card p,html[lang="fa"] .tl-card p,html[lang="fa"] .bullets li{font-size:1.15rem}
html[lang="fa"] .card h3{font-size:1.3rem}
html[lang="fa"] .pill,html[lang="fa"] .tags li,html[lang="fa"] .tl-date{font-size:1rem}
html[lang="fa"] .btn{font-size:1.15rem}
html[lang="fa"] .btn-sm{font-size:1rem}
html[lang="fa"] .language-switch{font-size:1rem}
/* Keep Latin runs exactly 2px smaller than their surrounding Persian text. */
html[lang="fa"] .latin{font-family:"Segoe UI",Arial,sans-serif;font-size:calc(1em - 2px);direction:ltr;unicode-bidi:isolate}
html[lang="fa"] .tagline{font-size:1.35rem}
html[lang="fa"] .hero-title{line-height:1.5}
html[lang="fa"] .hero-title,html[lang="fa"] .hero-subtitle,html[lang="fa"] .section-title,html[lang="fa"] .tl-date{letter-spacing:normal}
.tags li{unicode-bidi:plaintext}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
section[id]{scroll-margin-top:80px}
/* Responsive */
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;padding:3.5rem 1.25rem;text-align:center}
  .hero-badges,.cta-row,.hero-visual{justify-content:center}
  .bio{margin-left:auto;margin-right:auto}
  .nav-links{position:absolute;top:64px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--border);padding:1rem 1.25rem;gap:.9rem;display:none}
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
}
@media(max-width:520px){
  .nav-inner{gap:.5rem}
  .nav-actions{gap:.4rem}
  .nav-actions .btn-sm{padding:.4rem .65rem}
  .section{padding:3rem 0}
  .footer-inner{justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important}
}