/* =========================================================
   Dr. Javad Vahidi — Academic Homepage
   Trilingual (EN / FA / AR) · Light + Dark
   ========================================================= */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,figure,blockquote,dl,dd,ol,ul{margin:0;padding:0}
ol,ul{list-style:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Tokens ---------- */
:root{
  --ink:#0d1a2b;
  --ink-2:#1c2f46;
  --body:#41546b;
  --muted:#71829a;
  --line:#e2e6ec;
  --bg:#ffffff;
  --bg-alt:#f6f7f9;
  --bg-soft:#eef1f5;
  --card:#ffffff;

  --gold:#b8892b;
  --gold-soft:#f2e6cf;
  --navy:#12263f;

  --shadow-sm:0 1px 2px rgba(13,26,43,.06),0 2px 8px rgba(13,26,43,.05);
  --shadow-md:0 4px 12px rgba(13,26,43,.07),0 12px 32px rgba(13,26,43,.07);
  --shadow-lg:0 18px 48px rgba(13,26,43,.13);

  --r-sm:8px; --r-md:14px; --r-lg:22px;
  --wrap:1180px;
  --pad:clamp(1.15rem,4vw,2.5rem);

  --f-sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --f-serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --f-display:var(--f-serif);

  --t:.28s cubic-bezier(.4,0,.2,1);
}

html[data-theme="dark"]{
  --ink:#f2f5f9;
  --ink-2:#dde5ef;
  --body:#a9b7c9;
  --muted:#7d8da3;
  --line:#22303f;
  --bg:#0b1420;
  --bg-alt:#0f1c2b;
  --bg-soft:#152435;
  --card:#101d2c;

  --gold:#d9ac53;
  --gold-soft:#2a2317;
  --navy:#0b1420;

  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 4px 12px rgba(0,0,0,.35),0 12px 32px rgba(0,0,0,.3);
  --shadow-lg:0 18px 48px rgba(0,0,0,.5);
}

/* ---------- Base ---------- */
body{
  font-family:var(--f-sans);
  font-size:clamp(.97rem,.35vw + .88rem,1.05rem);
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background var(--t),color var(--t);
}

h1,h2,h3,h4,.brand-text strong{font-family:var(--f-display);color:var(--ink);font-weight:600;line-height:1.25;letter-spacing:-.015em}

/* ---------- Script-specific typography ---------- */
html[lang="fa"]{--f-sans:'Vazirmatn',system-ui,Tahoma,sans-serif;--f-display:'Vazirmatn',system-ui,Tahoma,sans-serif}
html[lang="ar"]{--f-sans:'Noto Kufi Arabic',system-ui,Tahoma,sans-serif;--f-display:'Noto Kufi Arabic',system-ui,Tahoma,sans-serif}
html[lang="fa"] body,html[lang="ar"] body{line-height:2.05;letter-spacing:0}
html[lang="fa"] h1,html[lang="fa"] h2,html[lang="fa"] h3,
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3{letter-spacing:0;line-height:1.55}

/* ---------- Layout helpers ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}

.skip-link{position:absolute;inset-inline-start:-999px;top:0;z-index:200;background:var(--ink);color:var(--bg);padding:.7rem 1.2rem;border-radius:0 0 var(--r-sm) 0}
.skip-link:focus{inset-inline-start:0}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed;inset-block-start:0;inset-inline:0;z-index:100;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;gap:1.4rem;height:74px}

.brand{display:flex;align-items:center;gap:.7rem;margin-inline-end:auto;flex-shrink:0}

/* Monogram: circuit traces and a sigma/binary motif behind the initials.
   Fixed colours — a logo should not change between light and dark. */
.brand-mark,.portrait-fallback{
  background-color:#12263f;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 64'%3E%3Cg fill='none' stroke='%23d9ac53' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' opacity='.34'%3E%3Cpath d='M1 13h9l5-5'/%3E%3Cpath d='M63 21h-9l-5 5'/%3E%3Cpath d='M1 51h8l6 6'/%3E%3Cpath d='M63 45h-7l-6-6'/%3E%3Cpath d='M32 0v6'/%3E%3Cpath d='M32 64v-6'/%3E%3Cpath d='M0 32h5'/%3E%3Cpath d='M64 32h-5'/%3E%3C/g%3E%3Cg fill='%23d9ac53' opacity='.46'%3E%3Ccircle cx='15' cy='8' r='2.1'/%3E%3Ccircle cx='49' cy='26' r='2.1'/%3E%3Ccircle cx='15' cy='57' r='2.1'/%3E%3Ccircle cx='50' cy='39' r='2.1'/%3E%3C/g%3E%3Cg fill='%23ffffff' opacity='.13' font-family='monospace' font-size='7'%3E%3Ctext x='4' y='27'%3E01%3C/text%3E%3Ctext x='50' y='58'%3E10%3C/text%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(145deg,#12263f,#24384f);
  background-size:100% 100%;
}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;
  border-radius:11px;
  color:#f2f5f9;font-family:var(--f-serif);font-weight:700;font-size:1.02rem;letter-spacing:.02em;
  box-shadow:inset 0 0 0 1px rgba(217,172,83,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1rem}
.brand-text em{font-style:normal;font-size:.74rem;color:var(--muted);letter-spacing:.02em}

.site-nav{display:flex;align-items:center;gap:.25rem}
.site-nav a{
  position:relative;padding:.5rem .78rem;border-radius:var(--r-sm);
  font-size:.87rem;font-weight:500;color:var(--body);transition:color var(--t),background var(--t);
}
.site-nav a::after{
  content:"";position:absolute;inset-block-end:.24rem;inset-inline-start:.78rem;
  width:0;height:1.5px;background:var(--gold);transition:width var(--t);
}
.site-nav a:hover{color:var(--ink)}
.site-nav a.is-current{color:var(--ink);font-weight:600}
.site-nav a.is-current::after{width:calc(100% - 1.56rem)}

.header-tools{display:flex;align-items:center;gap:.5rem;flex-shrink:0}

.lang-switch{display:flex;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:3px}
.lang-switch button{
  padding:.3rem .68rem;border-radius:999px;font-size:.78rem;font-weight:600;
  color:var(--muted);transition:all var(--t);line-height:1.5;
}
.lang-switch button:hover{color:var(--ink)}
.lang-switch button.is-active{background:var(--card);color:var(--ink);box-shadow:var(--shadow-sm)}

.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);color:var(--body);transition:all var(--t);
}
.icon-btn:hover{color:var(--ink);border-color:var(--muted)}
.icon-btn svg{width:18px;height:18px}
#themeToggle .i-moon{display:none}
html[data-theme="dark"] #themeToggle .i-sun{display:none}
html[data-theme="dark"] #themeToggle .i-moon{display:block}

.nav-toggle{display:none;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:17px;height:1.8px;background:currentColor;border-radius:2px;transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg)}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;padding-block:clamp(7rem,14vw,10.5rem) clamp(3.5rem,7vw,6rem);overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60rem 34rem at 78% -12%,color-mix(in srgb,var(--gold) 13%,transparent),transparent 62%),
    radial-gradient(52rem 34rem at 6% 8%,color-mix(in srgb,var(--navy) 9%,transparent),transparent 60%),
    linear-gradient(180deg,var(--bg-alt),var(--bg) 72%);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:66px 66px;opacity:.34;
  -webkit-mask-image:radial-gradient(74% 62% at 50% 26%,#000,transparent 74%);
          mask-image:radial-gradient(74% 62% at 50% 26%,#000,transparent 74%);
}

.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}

.eyebrow{
  display:inline-block;font-size:.73rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);padding:.34rem .8rem;border:1px solid color-mix(in srgb,var(--gold) 38%,transparent);
  border-radius:999px;background:color-mix(in srgb,var(--gold) 8%,transparent);margin-bottom:1.3rem;
}
html[lang="fa"] .eyebrow,html[lang="ar"] .eyebrow{letter-spacing:0;text-transform:none;font-size:.8rem}

.hero-name{font-size:clamp(2.3rem,5.6vw,3.85rem);line-height:1.08;margin-bottom:.6rem}
.hero-title{font-family:var(--f-display);font-size:clamp(1.06rem,1.9vw,1.35rem);color:var(--ink-2);font-weight:600;margin-bottom:.55rem}
.hero-affil{font-size:.92rem;color:var(--muted);margin-bottom:1.5rem;max-width:44ch}
.hero-lede{font-size:1.02rem;max-width:52ch;margin-bottom:2.1rem;position:relative;padding-inline-start:1.1rem}
.hero-lede::before{content:"";position:absolute;inset-inline-start:0;inset-block:.35rem;width:2.5px;border-radius:2px;background:linear-gradient(var(--gold),transparent)}

.hero-actions{display:flex;flex-wrap:wrap;gap:.7rem}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.72rem 1.3rem;border-radius:999px;
  font-size:.88rem;font-weight:600;letter-spacing:.005em;
  border:1px solid transparent;transition:all var(--t);white-space:nowrap;
}
.btn svg{width:17px;height:17px;flex-shrink:0}
.btn-primary{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--ink-2);transform:translateY(-2px);box-shadow:var(--shadow-md)}
html[data-theme="dark"] .btn-primary{background:var(--gold);color:#12100a}
html[data-theme="dark"] .btn-primary:hover{background:#e6bb69}
.btn-outline{border-color:var(--line);color:var(--ink);background:var(--card)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line);color:var(--body);background:transparent}
.btn-ghost:hover{border-color:var(--muted);color:var(--ink);transform:translateY(-2px)}

/* Portrait — circular, with a concentric gold ring and a grounded shadow */
.hero-portrait{display:flex;justify-content:center;padding:26px}
.portrait{position:relative;max-width:330px;width:100%}

.portrait-frame{
  position:relative;aspect-ratio:1;border-radius:50%;overflow:hidden;
  background:var(--bg-soft);
  border:4px solid var(--card);
  /* hairline + the soft shadow cast beneath the circle */
  box-shadow:
    0 0 0 1px var(--line),
    0 30px 46px -22px rgba(13,26,43,.60),
    0 12px 22px -14px rgba(13,26,43,.40);
  /* concentric ring; `outline` follows border-radius and escapes overflow */
  outline:1px solid color-mix(in srgb,var(--gold) 42%,transparent);
  outline-offset:14px;
}
html[data-theme="dark"] .portrait-frame{
  box-shadow:
    0 0 0 1px rgba(255,255,255,.07),
    0 30px 50px -20px rgba(0,0,0,.85),
    0 12px 24px -14px rgba(0,0,0,.6);
}
.portrait-frame img{
  width:100%;height:100%;object-fit:cover;position:relative;z-index:2;
  /* nudge the crop up so the face sits on the circle's optical centre */
  transform:scale(1.10);transform-origin:50% 28%;
}
.portrait-frame img.is-missing{display:none}
.portrait-fallback{
  position:absolute;inset:0;z-index:1;display:grid;place-items:center;
}
.portrait-fallback span{font-family:var(--f-serif);font-size:5.5rem;font-weight:700;color:var(--gold)}
.portrait figcaption{margin-top:1.9rem;text-align:center;font-size:.82rem;color:var(--muted);font-family:var(--f-display);font-style:italic}
html[lang="fa"] .portrait figcaption,html[lang="ar"] .portrait figcaption{font-style:normal}

/* =========================================================
   METRICS
   ========================================================= */
.metrics{padding-block:clamp(2.2rem,4vw,3rem);border-block:1px solid var(--line);background:var(--bg-alt)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.metric{text-align:center;padding:.6rem;position:relative}
.metric+.metric::before{content:"";position:absolute;inset-inline-start:0;inset-block:18%;width:1px;background:var(--line)}
.metric-value{display:inline-flex;align-items:flex-start;direction:ltr}
.metric-num{font-family:var(--f-display);font-size:clamp(1.9rem,4vw,2.7rem);font-weight:700;color:var(--ink);line-height:1;letter-spacing:-.02em}
.metric-plus{font-family:var(--f-display);font-size:1.3rem;font-weight:700;color:var(--gold);vertical-align:top;line-height:1}
.metric-label{display:block;margin-top:.5rem;font-size:.78rem;font-weight:500;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
html[lang="fa"] .metric-label,html[lang="ar"] .metric-label{letter-spacing:0;text-transform:none;font-size:.85rem}
.metrics-note{margin-top:1.4rem;text-align:center;font-size:.76rem;color:var(--muted);max-width:70ch;margin-inline:auto}

/* =========================================================
   SECTIONS
   ========================================================= */
.section{padding-block:clamp(3.6rem,8vw,6.5rem)}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:60ch;margin-bottom:clamp(2rem,4vw,3.2rem)}
.section-kicker{font-size:.73rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:.6rem}
html[lang="fa"] .section-kicker,html[lang="ar"] .section-kicker{letter-spacing:0;text-transform:none;font-size:.82rem}
.section-title{font-size:clamp(1.7rem,3.6vw,2.5rem);margin-bottom:.9rem;position:relative;padding-bottom:.85rem}
.section-title::after{content:"";position:absolute;inset-block-end:0;inset-inline-start:0;width:52px;height:2.5px;background:var(--gold);border-radius:2px}
.section-lede{font-size:1rem;color:var(--body)}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.5fr .85fr;gap:clamp(1.8rem,4vw,3.4rem);align-items:start}
.prose p{margin-bottom:1.1rem;max-width:66ch}
.prose p:last-child{margin-bottom:0}

.about-facts{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.7rem;box-shadow:var(--shadow-sm);position:sticky;top:96px;
}
.about-facts h3{font-size:1.05rem;margin-bottom:1.1rem;padding-bottom:.75rem;border-bottom:1px solid var(--line)}
.about-facts dl{display:grid;gap:.9rem}
.about-facts dt{font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.15rem}
html[lang="fa"] .about-facts dt,html[lang="ar"] .about-facts dt{letter-spacing:0;text-transform:none;font-size:.8rem}
.about-facts dd{font-size:.9rem;color:var(--ink);font-weight:500;line-height:1.5}
.about-facts dd a{color:var(--gold);border-bottom:1px solid color-mix(in srgb,var(--gold) 35%,transparent)}
.about-facts dd a:hover{border-bottom-color:var(--gold)}

/* ---------- Philosophy ---------- */
.pull-quote{
  position:relative;max-width:64ch;margin:0 auto clamp(2rem,4vw,3.2rem);
  padding:clamp(3rem,5vw,3.6rem) clamp(1.6rem,4vw,3.2rem) clamp(1.8rem,4vw,2.6rem);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);text-align:center;
}
.pull-quote::before{
  content:"\201C";position:absolute;inset-block-start:.35rem;inset-inline-start:50%;
  transform:translateX(-50%);
  font-family:var(--f-serif);font-size:5rem;line-height:1;
  color:var(--gold);opacity:.42;
}
html[dir="rtl"] .pull-quote::before{content:"\00AB";font-size:3.4rem;inset-block-start:1.1rem}
.pull-quote p{
  font-family:var(--f-display);font-size:clamp(1.05rem,2.1vw,1.4rem);
  line-height:1.65;color:var(--ink);font-style:italic;
}
html[lang="fa"] .pull-quote p,html[lang="ar"] .pull-quote p{font-style:normal;line-height:2.05}

/* ---------- Cards (research) ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(266px,1fr));gap:1.1rem}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.6rem;transition:all var(--t);position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;inset-block-start:0;inset-inline-start:0;width:100%;height:2.5px;background:var(--gold);transform:scaleX(0);transform-origin:var(--o,left);transition:transform var(--t)}
html[dir="rtl"] .card::before{--o:right}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--gold) 30%,var(--line))}
.card:hover::before{transform:scaleX(1)}
.card-ico{width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:var(--gold-soft);color:var(--gold);margin-bottom:1rem}
.card-ico svg{width:21px;height:21px}
.card h3{font-size:1.03rem;margin-bottom:.55rem}
.card p{font-size:.88rem;color:var(--body);line-height:1.7}

/* ---------- Publications ---------- */
.pub-filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.9rem}
.chip{
  padding:.45rem 1rem;border-radius:999px;border:1px solid var(--line);
  font-size:.82rem;font-weight:500;color:var(--body);background:var(--card);transition:all var(--t);
}
.chip:hover{border-color:var(--muted);color:var(--ink)}
.chip.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
html[data-theme="dark"] .chip.is-active{background:var(--gold);border-color:var(--gold);color:#12100a}

.pub-list{display:grid;gap:.85rem;counter-reset:pub}
.pub{
  display:grid;grid-template-columns:auto 1fr;gap:1.1rem;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.25rem 1.5rem;transition:all var(--t);
}
.pub:hover{border-color:color-mix(in srgb,var(--gold) 32%,var(--line));box-shadow:var(--shadow-sm);transform:translateX(2px)}
html[dir="rtl"] .pub:hover{transform:translateX(-2px)}
.pub-num{
  counter-increment:pub;font-family:var(--f-display);font-size:.82rem;font-weight:700;color:var(--gold);
  min-width:2rem;padding-top:.15rem;
}
.pub-num::before{content:counter(pub,decimal-leading-zero)}
.pub-title{font-family:var(--f-display);font-size:1.01rem;font-weight:600;color:var(--ink);line-height:1.45;margin-bottom:.4rem}
.pub-title a:hover{color:var(--gold)}
.pub-meta{font-size:.84rem;color:var(--body);line-height:1.6}
.pub-venue{font-style:italic;color:var(--ink-2)}
html[lang="fa"] .pub-venue,html[lang="ar"] .pub-venue{font-style:normal;font-weight:600}
.pub-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.6rem}
.tag{
  font-size:.69rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  padding:.2rem .58rem;border-radius:5px;background:var(--bg-soft);color:var(--muted);
}
html[lang="fa"] .tag,html[lang="ar"] .tag{letter-spacing:0;text-transform:none;font-size:.75rem}
.tag-year{background:var(--gold-soft);color:var(--gold)}
.pub[hidden]{display:none}

.empty-note{margin-top:1.6rem;padding:1.1rem 1.3rem;border:1px dashed var(--line);border-radius:var(--r-md);background:var(--bg-soft);color:var(--muted);font-size:.86rem;line-height:1.7;max-width:78ch}
.pub-cta{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:2rem}

/* ---------- Books ---------- */
.books-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.1rem}
.book{
  display:grid;grid-template-columns:auto 1fr;gap:1.1rem;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:1.4rem;
  transition:all var(--t);
}
.book:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--gold) 30%,var(--line))}
.book-spine{
  width:44px;height:60px;border-radius:4px;flex-shrink:0;
  background:linear-gradient(145deg,var(--navy),var(--ink-2));
  box-shadow:inset -5px 0 0 rgba(0,0,0,.22),var(--shadow-sm);
  display:grid;place-items:center;color:var(--gold);
}
.book-spine svg{width:19px;height:19px}
.book h3{font-size:.98rem;margin-bottom:.35rem;line-height:1.4}
.book p{font-size:.83rem;color:var(--muted)}

/* ---------- Teaching ---------- */
.teach-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:clamp(1.5rem,4vw,3rem)}
.teach-col h3{font-size:1.1rem;margin-bottom:1.1rem;padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.tick-list{display:grid;gap:.75rem}
.tick-list li{display:grid;grid-template-columns:auto 1fr;gap:.75rem;align-items:start;font-size:.92rem}
.tick-list li::before{
  content:"";width:16px;height:16px;margin-top:.42rem;border-radius:50%;
  background:var(--gold-soft);border:1.5px solid var(--gold);flex-shrink:0;
  background-image:linear-gradient(45deg,transparent 46%,var(--gold) 46%,var(--gold) 54%,transparent 54%);
}

/* ---------- Profiles ---------- */
.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(262px,1fr));gap:1rem}
.profile-card{
  display:flex;align-items:center;gap:1rem;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.25rem 1.4rem;transition:all var(--t);
}
.profile-text{min-width:0;flex:1}
.profile-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb,var(--gold) 34%,var(--line))}
.profile-ico{width:44px;height:44px;flex-shrink:0;display:grid;place-items:center;border-radius:11px;background:var(--bg-soft);color:var(--ink-2);transition:all var(--t)}
.profile-card:hover .profile-ico{background:var(--gold-soft);color:var(--gold)}
.profile-ico svg{width:21px;height:21px}
.profile-card strong{display:block;font-family:var(--f-display);font-size:.98rem;color:var(--ink);font-weight:600;line-height:1.35}
.profile-meta{display:block;font-size:.77rem;color:var(--muted);margin-top:.15rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.profile-arrow{margin-inline-start:auto;color:var(--muted);transition:transform var(--t),color var(--t);flex-shrink:0}
.profile-arrow svg{width:17px;height:17px}
.profile-card:hover .profile-arrow{color:var(--gold);transform:translateX(3px)}
html[dir="rtl"] .profile-arrow svg{transform:scaleX(-1)}
html[dir="rtl"] .profile-card:hover .profile-arrow{transform:translateX(-3px)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:1.1rem}
.contact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:1.7rem;transition:all var(--t);
}
.contact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.contact-ico{width:44px;height:44px;display:grid;place-items:center;border-radius:11px;background:var(--gold-soft);color:var(--gold);margin-bottom:1rem}
.contact-ico svg{width:21px;height:21px}
.contact-card h3{font-size:1rem;margin-bottom:.45rem}
.contact-card p{font-size:.89rem;line-height:1.7}
.contact-card a{color:var(--gold);border-bottom:1px solid color-mix(in srgb,var(--gold) 35%,transparent)}
.contact-lines{display:flex;flex-direction:column;gap:.15rem;align-items:flex-start}
.contact-sub{display:block;font-size:.82rem;color:var(--muted);margin-top:.2rem}
.contact-sub bdi{color:var(--body);font-weight:500}

/* Email call-to-action */
.contact-cta{margin-top:2.2rem;text-align:center}
.btn-lg{padding:.92rem 1.9rem;font-size:.95rem}
.btn-lg svg{width:19px;height:19px}
.contact-cta-note{margin-top:.85rem;font-size:.82rem;color:var(--muted)}
.contact-cta-note a{
  color:var(--gold);margin-inline-start:.4rem;
  border-bottom:1px solid color-mix(in srgb,var(--gold) 35%,transparent);
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--navy);color:#c4d0de;padding-block:2.6rem;border-top:1px solid var(--line)}
html[data-theme="dark"] .site-footer{background:#08111b}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;gap:1.4rem 2rem;justify-content:space-between}
.footer-brand{display:flex;align-items:center;gap:.85rem}
.footer-brand strong{display:block;font-family:var(--f-display);color:#fff;font-size:1rem;font-weight:600}
.footer-brand em{font-style:normal;font-size:.78rem;color:#8fa2b6}
.footer-brand .brand-mark{box-shadow:inset 0 0 0 1px rgba(217,172,83,.42)}
.footer-links{display:flex;flex-wrap:wrap;gap:.35rem 1.4rem}
.footer-links a{font-size:.85rem;color:#c4d0de;transition:color var(--t);position:relative}
.footer-links a:hover{color:var(--gold)}
.footer-copy{width:100%;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.09);font-size:.78rem;color:#8fa2b6;text-align:center}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;inset-block-end:1.5rem;inset-inline-end:1.5rem;z-index:90;
  width:44px;height:44px;display:grid;place-items:center;border-radius:50%;
  background:var(--navy);color:#fff;box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all var(--t);
}
html[data-theme="dark"] .to-top{background:var(--gold);color:#12100a}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-3px)}
.to-top svg{width:19px;height:19px}

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1000px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-lede{margin-inline:auto;padding-inline-start:0;text-align:center}
  .hero-lede::before{display:none}
  .hero-affil{margin-inline:auto}
  .hero-actions{justify-content:center}
  .hero-portrait{order:-1;margin-bottom:1rem}
  .portrait{max-width:250px}
  .about-grid{grid-template-columns:1fr}
  .about-facts{position:static}
}

@media (max-width:860px){
  .site-nav{
    position:fixed;inset-block-start:74px;inset-inline:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    padding:.6rem var(--pad) 1.3rem;box-shadow:var(--shadow-lg);
    transform:translateY(-130%);opacity:0;visibility:hidden;transition:all var(--t);
  }
  .site-nav.is-open{transform:none;opacity:1;visibility:visible}
  .site-nav a{padding:.85rem .3rem;border-bottom:1px solid var(--line);border-radius:0;font-size:.95rem}
  .site-nav a:last-child{border-bottom:0}
  .site-nav a::after{display:none}
  .nav-toggle{display:flex}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:1.4rem}
  .metric:nth-child(3)::before{display:none}
}

@media (max-width:560px){
  .brand-text em{display:none}
  .header-inner{gap:.7rem}
  .lang-switch button{padding:.3rem .52rem;font-size:.74rem}
  .pub{grid-template-columns:1fr;gap:.5rem}
  .pub-num{padding-top:0}
  .btn{width:100%;justify-content:center}
  .hero-actions{flex-direction:column}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-links{justify-content:center}
}

/* ---------- Print ---------- */
@media print{
  .site-header,.to-top,.hero-actions,.pub-filters,.pub-cta,.lang-switch,.icon-btn{display:none!important}
  body{color:#000;background:#fff}
  .section{padding-block:1.2rem;break-inside:avoid}
  .hero{padding-block:1rem}
  .reveal{opacity:1;transform:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}