/* ==========================================================================
   omidghafarian.ir — "Dossier" design system
   Light-first editorial layout. Paper, ink, one signal colour.
   Fonts: Fraunces (display) · Inter (text) · JetBrains Mono (data) · Vazirmatn (fa)
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face{font-family:"Fraunces";src:url("../fonts/Fraunces-Variable.woff2") format("woff2");font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:"Fraunces";src:url("../fonts/Fraunces-VariableItalic.woff2") format("woff2");font-weight:300 700;font-style:italic;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("../fonts/IBMPlexSans-Variable.woff2") format("woff2");font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/JetBrainsMono-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/JetBrainsMono-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/JetBrainsMono-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-Medium.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-Bold.woff2") format("woff2");font-weight:700;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --paper:#EEF1F2;
  --paper-2:#E3E8EA;
  --paper-3:#D6DDE0;
  --ink:#0E161B;
  --ink-2:#3E4B53;
  --ink-3:#5F6C74;
  --line:#C9D1D5;
  --line-strong:#0E161B;
  --accent:#0A7A5C;
  --accent-soft:rgba(10,122,92,.10);
  --on-accent:#F2FBF7;

  --font-display:"Fraunces",Georgia,"Times New Roman",serif;
  --font-text:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;

  --wrap:1240px;
  --gutter:clamp(20px,4vw,56px);
  --topbar:64px;

  --ease-out:cubic-bezier(.16,1,.3,1);
  --dur-fast:180ms;
  --dur:420ms;
  --dur-slow:900ms;
}
:root[data-theme="dark"]{
  --paper:#0F1518;
  --paper-2:#161D21;
  --paper-3:#1F282D;
  --ink:#E9EEF0;
  --ink-2:#AEB9BF;
  --ink-3:#85929A;
  --line:#28323A;
  --line-strong:#E9EEF0;
  --accent:#3FD59A;
  --accent-soft:rgba(63,213,154,.14);
  --on-accent:#0B1A14;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0F1518;
    --paper-2:#161D21;
    --paper-3:#1F282D;
    --ink:#E9EEF0;
    --ink-2:#AEB9BF;
    --ink-3:#85929A;
    --line:#28323A;
    --line-strong:#E9EEF0;
    --accent:#3FD59A;
    --accent-soft:rgba(63,213,154,.14);
    --on-accent:#0B1A14;
  }
}
html.fa{
  --font-display:"Vazirmatn",system-ui,sans-serif;
  --font-text:"Vazirmatn",system-ui,sans-serif;
  /* JetBrains Mono has no Persian digits; Vazirmatn carries tabular figures for both scripts */
  --font-mono:"Vazirmatn","JetBrains Mono",ui-monospace,monospace;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-text);
  font-size:1.0625rem;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background-color var(--dur) var(--ease-out),color var(--dur) var(--ease-out);
}
img,svg,iframe{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,h4,p,figure,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
::selection{background:var(--accent);color:var(--on-accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

.mono{font-family:var(--font-mono);font-feature-settings:"tnum" 1,"zero" 1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;inset-inline-start:16px;top:-60px;z-index:200;background:var(--ink);color:var(--paper);padding:10px 14px;font-family:var(--font-mono);font-size:.8rem;transition:top var(--dur-fast)}
.skip:focus{top:12px}

.wrap{width:min(100% - 2*var(--gutter),var(--wrap));margin-inline:auto}

/* Paper texture: faint ruled lines */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:repeating-linear-gradient(180deg,transparent 0 47px,var(--line) 47px 48px);
  opacity:.35;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.2));
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.2));
}
main,.topbar,.footer,.rail,.drawer{position:relative;z-index:1}

/* ---------- Type scale ---------- */
.display{
  font-family:var(--font-display);
  font-weight:340;
  font-variation-settings:"opsz" 144,"SOFT" 30;
  letter-spacing:-.025em;
  line-height:.92;
}
html.fa .display{font-weight:700;letter-spacing:0;line-height:1.15}
.sec-title{
  font-family:var(--font-display);
  font-weight:400;
  font-variation-settings:"opsz" 96;
  font-size:clamp(2.2rem,4.6vw,3.6rem);
  letter-spacing:-.02em;
  line-height:1.02;
  text-wrap:balance;
}
html.fa .sec-title{font-weight:700;letter-spacing:0;line-height:1.3}
.kicker{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ink-3);
}
html.fa .kicker{letter-spacing:0;text-transform:none;font-size:.82rem}
em{font-style:italic;font-variation-settings:"opsz" 96}
html.fa em{font-style:normal;color:var(--accent)}

/* ---------- Top bar ---------- */
.topbar{
  position:fixed;inset-inline:0;top:0;height:var(--topbar);z-index:100;
  display:flex;align-items:center;
  background:color-mix(in srgb,var(--paper) 82%,transparent);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid transparent;
  transition:border-color var(--dur-fast),background-color var(--dur);
}
.topbar.scrolled{border-bottom-color:var(--line)}
.topbar-inner{display:flex;align-items:center;gap:24px;width:100%}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;display:grid;place-items:center;
  border:1.5px solid var(--line-strong);
  font-family:var(--font-mono);font-weight:600;font-size:.78rem;letter-spacing:.02em;
  transition:background-color var(--dur-fast),color var(--dur-fast);
}
.brand:hover .brand-mark{background:var(--ink);color:var(--paper)}
.brand-name{font-family:var(--font-display);font-size:1.05rem;font-weight:500;letter-spacing:-.01em;white-space:nowrap}
html.fa .brand-name{font-weight:700}
.topbar-idx{
  flex:1;display:flex;align-items:center;gap:12px;justify-content:center;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);
  min-width:0;
}
html.fa .topbar-idx{letter-spacing:0;text-transform:none;font-size:.82rem}
.topbar-idx .sep{width:32px;height:1px;background:var(--line-strong);opacity:.4}
.topbar-idx b{color:var(--ink);font-weight:500}
.topbar-nav{display:flex;gap:4px;margin-inline-start:auto}
.topbar-nav a{
  padding:8px 12px;font-size:.9rem;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid transparent;transition:color var(--dur-fast),border-color var(--dur-fast);
}
.topbar-nav a:hover,.topbar-nav a.active{color:var(--ink);border-bottom-color:var(--accent)}
.topbar-tools{display:flex;align-items:center;gap:6px}
.tool{
  height:40px;min-width:40px;padding-inline:10px;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-family:var(--font-mono);font-size:.78rem;font-weight:500;color:var(--ink-2);
  border:1px solid transparent;transition:border-color var(--dur-fast),color var(--dur-fast),background-color var(--dur-fast);
}
.tool:hover{border-color:var(--line);color:var(--ink)}
.tool svg{width:18px;height:18px}
.lang{color:var(--ink);border-color:var(--line)}
.burger{display:none}
@media (max-width:1023px){
  .topbar-nav,.topbar-idx{display:none}
  .topbar-tools{margin-inline-start:auto}
  .burger{display:inline-flex}
}
@media (max-width:480px){.brand-name{display:none}}

/* ---------- Mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  padding:calc(var(--topbar) + 24px) var(--gutter) 40px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--dur) var(--ease-out),transform var(--dur) var(--ease-out),visibility 0s var(--dur);
}
.drawer.open{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.drawer a.d-link{
  display:flex;align-items:baseline;gap:18px;padding:16px 0;border-bottom:1px solid var(--line);
  font-family:var(--font-display);font-size:clamp(1.8rem,7vw,2.6rem);font-weight:400;letter-spacing:-.02em;
}
html.fa .drawer a.d-link{font-weight:700;letter-spacing:0}
.drawer a.d-link .n{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-3);letter-spacing:.06em}
.drawer a.d-link.active{color:var(--accent)}
.drawer-foot{margin-top:auto;display:flex;gap:12px;flex-wrap:wrap;padding-top:24px}
body.drawer-open{overflow:hidden}

/* ---------- Left rail (section index) ---------- */
.rail{
  position:fixed;inset-inline-start:22px;top:50%;transform:translateY(-50%);z-index:50;
  display:none;flex-direction:column;gap:14px;
}
@media (min-width:1360px){.rail{display:flex}}
.rail a{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;color:var(--ink-3);
}
.rail a::before{content:"";width:18px;height:1px;background:currentColor;transition:width var(--dur-fast),background-color var(--dur-fast)}
.rail a span{opacity:0;transform:translateX(-4px);transition:opacity var(--dur-fast),transform var(--dur-fast)}
html[dir="rtl"] .rail a span{transform:translateX(4px)}
.rail a:hover span,.rail a.active span{opacity:1;transform:none}
.rail a.active{color:var(--accent)}
.rail a.active::before{width:30px}

/* ---------- Sections ---------- */
main{padding-top:var(--topbar)}
.sec{position:relative;padding-block:clamp(72px,10vw,140px);border-top:1px solid var(--line)}
.sec-num{
  position:absolute;top:24px;inset-inline-end:var(--gutter);
  font-family:var(--font-display);font-weight:300;font-variation-settings:"opsz" 144;
  font-size:clamp(6rem,16vw,15rem);line-height:.8;
  color:transparent;-webkit-text-stroke:1px var(--line);
  user-select:none;pointer-events:none;opacity:.9;
}
html.fa .sec-num{font-family:var(--font-mono);font-weight:400}
.sec-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:900px){.sec-grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:64px}}
.sec-head{position:sticky;top:calc(var(--topbar) + 32px);align-self:start}
@media (max-width:899px){.sec-head{position:static}}
.sec-idx{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--accent)}
.sec-idx::after{content:"";width:40px;height:1px;background:var(--accent)}
.sec-sub{margin-top:18px;color:var(--ink-2);max-width:34ch;text-wrap:pretty}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:0 22px;
  font-weight:500;font-size:.95rem;border:1px solid var(--line-strong);
  transition:background-color var(--dur-fast),color var(--dur-fast),transform var(--dur-fast),border-color var(--dur-fast);
  touch-action:manipulation;
}
.btn svg{width:16px;height:16px;flex:none}
.btn:active{transform:translateY(1px)}
.btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-ink:hover{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;
  transition:color var(--dur-fast),border-color var(--dur-fast);
}
.link-arrow:hover{color:var(--accent);border-color:var(--accent)}
.link-arrow svg{width:14px;height:14px;transition:transform var(--dur-fast)}
.link-arrow:hover svg{transform:translate(2px,-2px)}
html[dir="rtl"] .link-arrow:hover svg{transform:translate(-2px,-2px)}

/* ---------- Hero ---------- */
.hero{position:relative;padding-block:clamp(40px,8vw,96px) 0}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:end}
@media (min-width:900px){.hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px}}
.hero-kicker{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.hero-kicker .pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 45%,transparent)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero h1{font-size:clamp(3.6rem,11.5vw,9.6rem);margin-bottom:28px}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line > span{display:block;transform:translateY(110%);animation:rise var(--dur-slow) var(--ease-out) forwards}
.hero h1 .line:nth-child(2) > span{animation-delay:90ms}
@keyframes rise{to{transform:none}}
.hero h1 .line:nth-child(2){padding-inline-start:.08em}
html.fa .hero h1 .line:nth-child(2){padding-inline-start:0}
.hero-lede{
  font-size:clamp(1.15rem,1.9vw,1.42rem);line-height:1.5;max-width:30ch;color:var(--ink-2);text-wrap:pretty;
  animation:fade var(--dur-slow) var(--ease-out) 220ms both;
}
.hero-lede em{color:var(--ink);font-family:var(--font-display);font-weight:400;font-size:1.06em}
.lede-link{color:var(--ink);font-weight:500;border-bottom:1.5px solid var(--accent);transition:color var(--dur-fast)}
.lede-link:hover{color:var(--accent)}
.rec .org a{border-bottom:1px solid transparent;transition:border-color var(--dur-fast)}
.rec .org a:hover{border-bottom-color:var(--accent)}
html.fa .hero-lede em{font-size:1em}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.hero-cta{display:flex;flex-wrap:wrap;gap:22px;align-items:center;margin-top:36px;animation:fade var(--dur-slow) var(--ease-out) 340ms both}

.hero-fig{position:relative;margin-inline-start:auto;width:min(100%,420px);animation:fade var(--dur-slow) var(--ease-out) 260ms both}
.hero-fig .frame{
  position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--paper-2);
  border:1px solid var(--line-strong);
}
.hero-fig .frame::after{
  content:"";position:absolute;inset:0;border:1px solid var(--accent);
  transform:translate(12px,12px);pointer-events:none;mix-blend-mode:multiply;
}
html[dir="rtl"] .hero-fig .frame::after{transform:translate(-12px,12px)}
:root[data-theme="dark"] .hero-fig .frame::after{mix-blend-mode:normal}
.hero-fig img{width:100%;height:100%;object-fit:cover;object-position:50% 12%;filter:saturate(.85) contrast(1.04)}
.hero-fig figcaption{
  display:flex;justify-content:space-between;gap:12px;margin-top:22px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-3);text-transform:uppercase;
}
html.fa .hero-fig figcaption{letter-spacing:0;text-transform:none;font-size:.8rem}

/* Ledger: key/value strip */
.ledger{
  display:grid;grid-template-columns:repeat(2,1fr);
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
  margin-top:clamp(48px,7vw,80px);
  animation:fade var(--dur-slow) var(--ease-out) 420ms both;
}
@media (min-width:760px){.ledger{grid-template-columns:repeat(4,1fr)}}
.ledger > div{padding:22px 0;border-inline-end:1px solid var(--line);padding-inline-end:20px}
.ledger > div + div{padding-inline-start:20px}
.ledger > div:last-child{border-inline-end:0}
@media (max-width:759px){
  .ledger > div:nth-child(2n){border-inline-end:0}
  .ledger > div:nth-child(n+3){border-top:1px solid var(--line)}
  .ledger > div:nth-child(odd){padding-inline-start:0}
}
.ledger .k{display:block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
html.fa .ledger .k{letter-spacing:0;text-transform:none;font-size:.78rem}
.ledger .v{display:block;font-family:var(--font-display);font-size:1.25rem;font-weight:500;letter-spacing:-.01em;line-height:1.25}
html.fa .ledger .v{font-weight:600}
.ledger .v small{display:block;font-family:var(--font-text);font-size:.85rem;font-weight:400;color:var(--ink-2);margin-top:4px}

/* ---------- Stack index strip ---------- */
.index-strip{border-top:1px solid var(--line);margin-top:0;padding-block:22px}
.index-strip ol{display:flex;flex-wrap:wrap;gap:10px 28px}
.index-strip li{display:flex;align-items:baseline;gap:8px;font-family:var(--font-mono);font-size:.8rem;color:var(--ink-2)}
.index-strip li b{font-weight:500;color:var(--ink-3);font-size:.68rem}
.index-strip a{border-bottom:1px solid transparent;transition:border-color var(--dur-fast),color var(--dur-fast)}
.index-strip a:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- Profile ---------- */
.pull{
  font-family:var(--font-display);font-style:italic;font-weight:400;font-variation-settings:"opsz" 96;
  font-size:clamp(1.6rem,3.2vw,2.4rem);line-height:1.25;letter-spacing:-.015em;
  text-wrap:pretty;max-width:22ch;
}
html.fa .pull{font-style:normal;font-weight:600;letter-spacing:0;line-height:1.5}
.pull::before{content:"“";color:var(--accent);margin-inline-end:.05em}
.pull::after{content:"”";color:var(--accent)}
html.fa .pull::before{content:"«"}
html.fa .pull::after{content:"»"}
.prose{display:grid;gap:20px;max-width:62ch;color:var(--ink-2);font-size:1.08rem;text-wrap:pretty}
.prose p:first-child{color:var(--ink)}
.principles{display:grid;gap:0;margin-top:44px;border-top:1px solid var(--line-strong)}
.principle{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.principle .n{font-family:var(--font-mono);font-size:.74rem;color:var(--accent);padding-top:6px}
.principle h3{font-family:var(--font-display);font-weight:500;font-size:1.3rem;letter-spacing:-.01em;margin-bottom:6px}
html.fa .principle h3{font-weight:700}
.principle p{color:var(--ink-2);font-size:.98rem;max-width:56ch}

/* ---------- Capabilities (spec sheet) ---------- */
.spec-group + .spec-group{margin-top:48px}
.spec-group-head{display:flex;align-items:baseline;gap:16px;padding-bottom:12px;border-bottom:1px solid var(--line-strong)}
.spec-group-head .g{font-family:var(--font-display);font-size:2rem;font-weight:300;font-variation-settings:"opsz" 144;color:var(--accent);line-height:1}
html.fa .spec-group-head .g{font-family:var(--font-mono);font-weight:500;font-size:1.4rem}
.spec-group-head h3{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:500}
html.fa .spec-group-head h3{letter-spacing:0;text-transform:none;font-size:.86rem}
.spec-row{
  position:relative;display:grid;grid-template-columns:44px minmax(0,1fr);gap:8px 16px;
  padding:20px 0 20px 0;border-bottom:1px solid var(--line);
  transition:padding var(--dur-fast) var(--ease-out);
}
@media (min-width:640px){.spec-row{grid-template-columns:44px minmax(0,5fr) minmax(0,7fr);align-items:baseline}}
.spec-row::before{
  content:"";position:absolute;inset-inline-start:0;top:0;bottom:-1px;width:2px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform var(--dur) var(--ease-out);
}
.spec-row:hover{padding-inline-start:14px}
.spec-row:hover::before{transform:none}
.spec-row .i{font-family:var(--font-mono);font-size:.74rem;color:var(--ink-3);padding-top:4px}
.spec-row h4{font-family:var(--font-display);font-size:1.35rem;font-weight:500;letter-spacing:-.012em;line-height:1.2}
html.fa .spec-row h4{font-weight:700}
.spec-row p{color:var(--ink-2);font-size:.98rem;line-height:1.55}
@media (max-width:639px){.spec-row p{grid-column:2}}

/* ---------- Record (timeline) ---------- */
.record{border-top:1px solid var(--line-strong)}
.rec{display:grid;grid-template-columns:1fr;gap:6px 24px;padding:26px 0;border-bottom:1px solid var(--line)}
@media (min-width:640px){.rec{grid-template-columns:150px minmax(0,1fr)}}
.rec-when{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-3);padding-top:6px;white-space:nowrap}
.rec-when b{display:block;color:var(--ink);font-weight:500}
.rec h3{font-family:var(--font-display);font-size:1.35rem;font-weight:500;letter-spacing:-.012em;line-height:1.2}
html.fa .rec h3{font-weight:700}
.rec .org{display:block;color:var(--accent);font-size:.9rem;font-weight:500;margin-top:4px}
.rec p{color:var(--ink-2);margin-top:10px;max-width:60ch;font-size:.98rem}
.tag{display:inline-block;margin-top:12px;padding:3px 9px;border:1px solid var(--line);font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
html.fa .tag{letter-spacing:0;text-transform:none;font-size:.76rem}

/* ---------- Certificates (documents on a desk) ---------- */
.docs{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:700px){.docs{grid-template-columns:repeat(3,1fr);gap:24px;padding-top:12px}}
.doc{display:block;text-align:start;width:100%}
.doc .paper{
  position:relative;background:#fff;padding:10px;border:1px solid var(--line);
  box-shadow:0 1px 0 var(--line),0 18px 40px -22px rgba(0,0,0,.35);
  transition:transform var(--dur) var(--ease-out),box-shadow var(--dur) var(--ease-out);
}
:root[data-theme="dark"] .doc .paper{background:var(--paper-2)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .doc .paper{background:var(--paper-2)}}
@media (min-width:700px) and (prefers-reduced-motion:no-preference){
  .doc:nth-child(1) .paper{transform:rotate(-2deg)}
  .doc:nth-child(2) .paper{transform:rotate(1.2deg) translateY(10px)}
  .doc:nth-child(3) .paper{transform:rotate(-1deg)}
  .doc:hover .paper,.doc:focus-visible .paper{transform:rotate(0) translateY(-6px);box-shadow:0 1px 0 var(--line),0 30px 50px -24px rgba(0,0,0,.45)}
}
.doc img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--paper-2)}
.doc .cap{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:14px;font-size:.92rem}
.doc .cap b{font-weight:500}
.doc .cap span{font-family:var(--font-mono);font-size:.72rem;color:var(--ink-3)}

/* ---------- Contact ---------- */
.mail{
  display:inline-block;font-family:var(--font-display);font-weight:400;font-variation-settings:"opsz" 144;
  font-size:clamp(1.6rem,5.2vw,4.4rem);letter-spacing:-.025em;line-height:1.05;
  border-bottom:2px solid var(--line-strong);padding-bottom:.08em;
  transition:color var(--dur-fast),border-color var(--dur-fast);
  overflow-wrap:anywhere;
}
html.fa .mail{font-family:var(--font-mono);font-weight:500;letter-spacing:-.02em}
.mail:hover{color:var(--accent);border-color:var(--accent)}
.contact-grid{display:grid;grid-template-columns:1fr;gap:44px;margin-top:44px}
@media (min-width:900px){.contact-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:64px}}
.clist{border-top:1px solid var(--line-strong)}
.clist a,.clist div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.clist .k{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
html.fa .clist .k{letter-spacing:0;text-transform:none;font-size:.78rem}
.clist .v{font-weight:500;display:inline-flex;align-items:center;gap:8px}
.clist a .v{border-bottom:1px solid transparent;transition:color var(--dur-fast),border-color var(--dur-fast);width:fit-content}
.clist a:hover .v{color:var(--accent);border-color:var(--accent)}
.clist .v svg{width:14px;height:14px;opacity:.6}
.map{margin-top:24px;border:1px solid var(--line);aspect-ratio:16/9;background:var(--paper-2);filter:grayscale(1) contrast(1.05);transition:filter var(--dur)}
.map:hover{filter:none}
.map iframe{width:100%;height:100%;border:0}

.form{display:grid;gap:22px}
.form-row{display:grid;gap:22px}
@media (min-width:600px){.form-row{grid-template-columns:1fr 1fr}}
.field{display:grid;gap:8px}
.field label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
html.fa .field label{letter-spacing:0;text-transform:none;font-size:.8rem}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 0;font:inherit;color:var(--ink);
  background:transparent;border:0;border-bottom:1px solid var(--line-strong);border-radius:0;
  transition:border-color var(--dur-fast);
}
.field textarea{min-height:120px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field textarea:focus{outline:none;border-bottom:2px solid var(--accent)}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.form-note{font-size:.85rem;color:var(--ink-3);max-width:36ch}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line-strong);padding-block:36px 44px}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px;font-size:.88rem;color:var(--ink-2)}
.footer .colophon{font-family:var(--font-mono);font-size:.72rem;color:var(--ink-3);letter-spacing:.02em}
.footer-links{display:flex;gap:20px}
.footer-links a{border-bottom:1px solid transparent;transition:border-color var(--dur-fast),color var(--dur-fast)}
.footer-links a:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- Lightbox (dialog) ---------- */
.lightbox{
  border:0;padding:0;background:transparent;max-width:min(96vw,1200px);max-height:96vh;
  animation:fade var(--dur) var(--ease-out);
}
.lightbox::backdrop{background:rgba(14,12,10,.86);backdrop-filter:blur(4px)}
.lightbox img{max-width:min(96vw,1200px);max-height:88vh;object-fit:contain;background:#fff;padding:8px}
.lightbox-close{
  position:fixed;top:16px;inset-inline-end:16px;width:44px;height:44px;display:grid;place-items:center;
  background:var(--paper);color:var(--ink);border:1px solid var(--line);
}
.lightbox-close svg{width:18px;height:18px}

/* ---------- Reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal="2"]{transition-delay:80ms}
[data-reveal="3"]{transition-delay:160ms}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .hero h1 .line > span{transform:none}
  [data-reveal]{opacity:1;transform:none}
}

/* ---------- Print ---------- */
@media print{
  .topbar,.rail,.drawer,.sec-num,.map,.form,body::before{display:none!important}
  main{padding-top:0}
  body{background:#fff;color:#000}
}