/* =========================================================
   Grafday public site
   Brand: #01735C for fills, a lighter tint for text/icons on dark.
   ========================================================= */
:root{
  --bg:#0a0c0b;
  --bg-2:#0e110f;
  --surface:#131614;
  --surface-2:#181c19;
  --surface-3:#1f241f;
  --border:#222722;
  --border-2:#2e342e;
  --text:#eef1ea;
  --text-2:#b6bdb3;
  --muted:#7d857b;
  --accent:#01735C;
  --accent-2:#018a6e;
  --accent-ink:#ffffff;
  --accent-text:#34c89c;
  --accent-soft:rgba(52,200,156,.08);
  --accent-line:rgba(52,200,156,.32);
  --red:#e99c9c;
  --red-soft:rgba(233,156,156,.09);
  --radius:16px;
  --radius-sm:10px;
  --container:1200px;
  --nav-h:72px;
  --font:'Vazirmatn',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 16px);scrollbar-width:thin;scrollbar-color:var(--border-2) var(--bg)}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:clip;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:var(--accent-ink)}
.i{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.mono{font-family:var(--mono);letter-spacing:.08em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.narrow{max-width:780px;margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:64px 64px;opacity:.25;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%);mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:.2s;white-space:nowrap;background:none}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(52,200,156,.5)}
.btn-primary:disabled{opacity:.7;cursor:wait;transform:none;box-shadow:none}
.btn-ghost{border-color:var(--border-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--text-2);background:var(--surface)}
.btn-soft{background:var(--surface-2);border-color:var(--border);color:var(--text)}
.btn-soft:hover{border-color:var(--accent-line);color:var(--accent-text)}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px}
.btn-block{width:100%}
.btn .i{width:17px;height:17px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,12,11,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;gap:32px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:900;letter-spacing:-.02em;flex:none}
.brand-logo{height:46px;width:auto;display:block}
.brand-text{white-space:nowrap}
.nav-links{display:flex;gap:4px;list-style:none}
.nav-links a{display:block;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--text-2);transition:.2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text);background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--border)}
.nav-cta{margin-inline-start:auto;display:flex;gap:10px;align-items:center}
body.logo-pos-center .nav-in{display:grid;grid-template-columns:1fr auto 1fr}
body.logo-pos-center .nav-links{grid-column:1;grid-row:1}
body.logo-pos-center .brand{grid-column:2;grid-row:1}
body.logo-pos-center .nav-cta{grid-column:3;grid-row:1}
body.logo-pos-end .brand{order:3}
body.logo-pos-end .nav-cta{order:2}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border-2);background:var(--surface);place-items:center;cursor:pointer;color:var(--text)}
.drawer{display:none}
.drawer-overlay{display:none}

/* ---------- section scaffolding ---------- */
section{padding:88px 0}
.pt-0{padding-top:0}
.sec-head{display:flex;align-items:flex-end;gap:24px;margin-bottom:40px;padding-bottom:22px;border-bottom:1px solid var(--border)}
main{counter-reset:sec}
.sec-head{counter-increment:sec}
.sec-no:empty::before{content:counter(sec,decimal-leading-zero)}
.sec-no{font-size:12px;color:var(--accent-text);border:1px solid var(--accent-line);border-radius:999px;padding:4px 10px;align-self:center}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:-.02em;line-height:1.3}
.sec-head p{color:var(--muted);font-size:15px;margin-top:4px}
.sec-head .sec-link{margin-inline-start:auto;display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:14px}
.sec-head .sec-link:hover{color:var(--accent-text)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--accent-text);background:var(--accent-soft);border:1px solid var(--accent-line);padding:6px 14px;border-radius:999px;width:fit-content}
.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent-text);box-shadow:0 0 0 0 rgba(52,200,156,.6);animation:pulse 1.8s infinite;flex:none}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(52,200,156,0)}100%{box-shadow:0 0 0 0 rgba(52,200,156,0)}}

/* image frame + placeholder when no image */
.ph{position:relative;overflow:hidden;background:
  radial-gradient(120% 90% at 85% 10%,rgba(52,200,156,.16),transparent 55%),
  radial-gradient(90% 80% at 10% 100%,rgba(120,160,140,.14),transparent 60%),
  repeating-linear-gradient(135deg,rgba(255,255,255,.025) 0 2px,transparent 2px 14px),
  var(--surface-2)}
.ph > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}

/* ---------- page header (inner pages) ---------- */
.phead{padding:72px 0 48px;border-bottom:1px solid var(--border)}
.crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13.5px;margin-bottom:22px;flex-wrap:wrap}
.crumbs a:hover{color:var(--text)}
.crumbs .i{width:14px;height:14px}
.phead h1{font-size:clamp(34px,5vw,60px);font-weight:900;letter-spacing:-.03em;line-height:1.25}
.phead .eyebrow + h1{margin-top:18px}
.phead p{color:var(--text-2);font-size:17px;margin-top:12px;max-width:640px}

/* ---------- hero ---------- */
.hero{padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-grid.single{grid-template-columns:1fr}
.hero h1{font-size:clamp(38px,5.6vw,72px);font-weight:900;line-height:1.2;letter-spacing:-.035em;margin:22px 0}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.meta span{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:4px 14px;border:1px solid var(--border-2);border-radius:999px;font-size:14px;color:var(--text-2);background:var(--surface)}
.meta .i{width:15px;height:15px;color:var(--accent-text)}
.hero-lead{color:var(--text-2);font-size:17px;max-width:560px;margin-bottom:28px}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.poster{aspect-ratio:4/5;border-radius:24px;border:1px solid var(--border-2)}

/* countdown */
.countdown{display:flex;align-items:center;gap:18px;margin-bottom:30px;padding:16px 18px;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);width:fit-content;max-width:100%}
.cd-label{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);line-height:1.5;max-width:120px}
.cd-cells{display:flex;gap:8px;direction:ltr}
.cd-cell{min-width:64px;text-align:center;padding:8px 6px;border-radius:12px;background:var(--bg-2);border:1px solid var(--border)}
.cd-cell b{display:block;font-size:26px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}
.cd-cell small{font-size:11.5px;color:var(--muted)}
.cd-cell.sec b{color:var(--accent-text)}
.countdown-expired-msg{font-size:15px;font-weight:600;color:var(--accent-text)}
.countdown.is-expired .cd-cells,.countdown.is-expired .cd-label{display:none}

/* coop strip */
.coop-strip{padding:0}
.coop-card{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;padding:36px 40px;border-radius:24px;background:linear-gradient(120deg,rgba(52,200,156,.1),rgba(52,200,156,.02) 50%,transparent),var(--surface);border:1px solid var(--accent-line);position:relative;overflow:hidden}
.coop-card::after{content:"";position:absolute;inset:auto auto -120px -80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(52,200,156,.16),transparent 70%);pointer-events:none}
.coop-card h3{font-size:26px;font-weight:800;margin:12px 0 6px}
.coop-card p{color:var(--text-2);max-width:640px;font-size:15px}

/* speakers */
.speakers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.speaker{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;transition:.25s}
.speaker:hover{border-color:var(--border-2);transform:translateY(-3px)}
.speaker .ph{aspect-ratio:1/1;display:grid;place-items:center}
.speaker .ini{font-size:56px;font-weight:900;color:var(--text);opacity:.85}
.speaker-body{padding:18px}
.speaker h3{font-size:17px;font-weight:700}
.speaker .role{font-size:13.5px;color:var(--accent-text);margin-bottom:8px}
.speaker p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- forms ---------- */
.form-split{display:grid;grid-template-columns:.8fr 1.2fr;border:1px solid var(--border);border-radius:24px;overflow:hidden;background:var(--surface)}
.form-aside{padding:40px;background:linear-gradient(180deg,var(--surface-2),var(--surface));border-inline-end:1px solid var(--border);display:flex;flex-direction:column;gap:22px}
.form-aside h2{font-size:30px;font-weight:800;line-height:1.4;letter-spacing:-.02em}
.form-aside p{color:var(--text-2);font-size:15px}
.steps{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:6px}
.steps li{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;color:var(--text-2)}
.steps li b{flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--border-2);display:grid;place-items:center;font-size:12.5px;color:var(--accent-text)}
.form-aside .note{margin-top:auto;padding:14px 16px;border:1px dashed var(--border-2);border-radius:12px;font-size:13.5px;color:var(--muted)}
.form-body{padding:40px}
.panel{border:1px solid var(--border);border-radius:24px;background:var(--surface);padding:36px}
.panel > h2{font-size:22px;font-weight:800;margin-bottom:24px}
.panel-head{margin-bottom:26px}
.panel-head h2{font-size:24px;font-weight:800;line-height:1.5;margin-top:12px}
.panel-head p{color:var(--text-2);font-size:15px;margin-top:6px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field > label,.field > .label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--text)}
.req{color:var(--accent-text)}
.field small,.label small{color:var(--muted);font-weight:400}
.input,.select,.textarea{width:100%;height:50px;padding:0 16px;border-radius:12px;border:1px solid var(--border-2);background:var(--bg-2);font-size:15px;transition:.2s;outline:none}
.textarea{height:auto;min-height:130px;padding:14px 16px;resize:vertical;line-height:1.8}
.select{-webkit-appearance:none;appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1.5 1.5 6 6l4.5-4.5' stroke='%2334c89c' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 18px center;padding-left:44px}
.select option{background:var(--surface);color:var(--text)}
.input::placeholder,.textarea::placeholder{color:#5b6259}
.input:hover,.select:hover,.textarea:hover{border-color:#3d453d}
.input:focus,.select:focus,.textarea:focus{border-color:var(--accent-text);box-shadow:0 0 0 4px var(--accent-soft)}
.input.error,.select.error,.textarea.error{border-color:var(--red)}
.hint{font-size:12.5px;color:var(--muted);margin-top:6px}

.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.check{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--border-2);border-radius:12px;background:var(--bg-2);cursor:pointer;font-size:14.5px;transition:.2s;user-select:none;position:relative}
.check input{position:absolute;opacity:0;pointer-events:none}
.cbox{flex:none;width:20px;height:20px;border-radius:6px;border:1.5px solid var(--border-2);display:grid;place-items:center;transition:.2s}
.cbox svg{width:12px;height:12px;stroke:var(--accent-ink);stroke-width:3;fill:none;opacity:0}
.check:hover{border-color:#3d453d}
.check:has(input:checked){border-color:var(--accent-line);background:var(--accent-soft)}
.check:has(input:checked) .cbox{background:var(--accent);border-color:var(--accent)}
.check:has(input:checked) .cbox svg{opacity:1}
.check:has(input:focus-visible){box-shadow:0 0 0 4px var(--accent-soft)}
.radios{display:flex;flex-wrap:wrap;gap:8px}
.radio{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border:1px solid var(--border-2);border-radius:999px;cursor:pointer;font-size:14px;background:var(--bg-2)}
.radio input{accent-color:var(--accent);width:16px;height:16px}
.radio:has(input:checked){border-color:var(--accent-line);background:var(--accent-soft)}
.upload{display:block;border:1.5px dashed var(--border-2);border-radius:14px;padding:28px;text-align:center;cursor:pointer;transition:.2s;background:var(--bg-2)}
.upload input{position:absolute;width:1px;height:1px;opacity:0}
.upload:hover,.upload.has-file{border-color:var(--accent-line);background:var(--accent-soft)}
.upload .i{width:30px;height:30px;color:var(--accent-text);margin:0 auto 10px}
.upload b{display:block;font-size:14.5px}
.upload small{color:var(--muted);font-size:12.5px}
.upload.has-file small{color:var(--accent-text)}
.alert{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:14px;font-size:14.5px;margin-bottom:22px}
.alert[hidden]{display:none}
.alert .i{margin-top:3px}
.alert strong{display:block}
.alert p{margin-top:2px;opacity:.9}
.alert-ok{background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--text)}
.alert-ok .i{color:var(--accent-text)}
.alert-err{background:var(--red-soft);border:1px solid rgba(233,156,156,.3);color:var(--red)}
.form-note{font-size:12.5px;color:var(--muted);text-align:center;margin-top:12px}
.desc-box{padding:18px 20px;border-radius:14px;background:var(--bg-2);border:1px solid var(--border);color:var(--text-2);font-size:14.5px;margin-bottom:26px;line-height:1.95}
.success{text-align:center;padding:40px 16px}
.success[hidden]{display:none}
.success .big{width:76px;height:76px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;margin:0 auto 22px;box-shadow:0 0 0 10px var(--accent-soft)}
.success .big .i{width:34px;height:34px;stroke-width:2.6}
.success h3{font-size:26px;font-weight:800;margin-bottom:10px}
.success p{color:var(--text-2);max-width:480px;margin:0 auto 26px}
.success .actions{justify-content:center}

/* ---------- about / seminar description ---------- */
.prose{font-size:17px;color:var(--text-2);line-height:2.05}
.prose > * + *{margin-top:1.1em}
.prose h2{font-size:26px;color:var(--text);font-weight:800;margin-top:1.8em;letter-spacing:-.01em;line-height:1.5}
.prose h3{font-size:20px;color:var(--text);font-weight:700;margin-top:1.5em;line-height:1.6}
.prose strong{color:var(--text)}
.prose a{color:var(--accent-text);border-bottom:1px solid var(--accent-line)}
.prose ul,.prose ol{padding-inline-start:1.6em}
.prose li{margin-bottom:8px}
.prose ul > li::marker{color:var(--accent-text)}
.prose blockquote{border-inline-start:3px solid var(--accent-text);padding:6px 22px;font-size:20px;color:var(--text);font-weight:500;background:linear-gradient(90deg,transparent,var(--accent-soft))}
.prose img{max-width:100%;height:auto;border-radius:16px;border:1px solid var(--border)}
.prose iframe{max-width:100%;border-radius:16px}
/* Quill editor output */
.prose ol{list-style:none;counter-reset:rte-counter;padding-inline-start:1.8em}
.prose ol > li{list-style:none;position:relative}
.prose ol > li > .ql-ui{display:none}
.prose li[data-list="ordered"]{counter-increment:rte-counter}
.prose li[data-list="ordered"]::before{content:counter(rte-counter,persian) ". ";position:absolute;right:-1.8em;min-width:1.5em;text-align:left;color:var(--accent-text)}
.prose li[data-list="bullet"]::before{content:"";position:absolute;right:-1.2em;top:.85em;width:7px;height:7px;border-radius:2px;background:var(--accent-text)}
.prose .ql-indent-1{padding-right:3em}
.prose .ql-indent-2{padding-right:4.5em}
.prose .ql-indent-3{padding-right:6em}
.prose .ql-direction-rtl{direction:rtl}
.prose .ql-align-center{text-align:center}
.prose .ql-align-left{text-align:left}
.prose .ql-align-right{text-align:right}
.prose .ql-align-justify{text-align:justify}

/* output of the format_description filter */
.desc-lead-header{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.desc-lead-badge{font-size:18px;color:var(--text);line-height:1.95;padding-inline-start:18px;border-inline-start:3px solid var(--accent-text)}
.desc-cards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.desc-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:22px}
.desc-card-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.desc-card-accent{width:8px;height:8px;border-radius:2px;background:var(--accent-text);flex:none}
.desc-card-title{font-size:17px;font-weight:700;line-height:1.6}
.desc-card-desc{color:var(--text-2);font-size:15px;line-height:1.95}
.desc-card-desc + .desc-card-desc{margin-top:8px}
.desc-card-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:6px}
.desc-card-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.85}
.desc-bullet-icon{flex:none;width:20px;height:20px;border-radius:6px;background:var(--accent-soft);color:var(--accent-text);display:grid;place-items:center;margin-top:4px}
.desc-bullet-icon svg{width:12px;height:12px}
.desc-item-bold{color:var(--text);font-weight:600}

/* ---------- videos / gallery ---------- */
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.video-frame{aspect-ratio:16/9;border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;background:var(--surface-2)}
.video-frame iframe{width:100%;height:100%;border:0;display:block}
.video h4{font-size:15.5px;font-weight:600;margin-top:12px;line-height:1.6}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:180px;gap:12px}
.gallery-item{border-radius:14px;border:1px solid var(--border);cursor:zoom-in;transition:border-color .25s}
.gallery-item:hover{border-color:var(--accent-line)}
.gallery-item:hover img{transform:scale(1.04)}
.gallery-item:nth-child(6n+1){grid-column:span 2;grid-row:span 2}
.gallery-item:nth-child(6n+4){grid-row:span 2}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(5,6,5,.94);display:none;align-items:center;justify-content:center;flex-direction:column;gap:14px;padding:24px}
.lightbox.active{display:flex}
.lightbox__image{max-width:min(1100px,100%);max-height:80vh;border-radius:14px;object-fit:contain}
.lightbox__caption{color:var(--text-2);font-size:14.5px;text-align:center}
.lightbox__close,.lightbox__nav{position:absolute;width:48px;height:48px;border-radius:50%;border:1px solid var(--border-2);background:var(--surface);color:var(--text);display:grid;place-items:center;cursor:pointer;transition:.2s}
.lightbox__close:hover,.lightbox__nav:hover{border-color:var(--accent-line);color:var(--accent-text)}
.lightbox__close{top:20px;left:20px}
.lightbox__nav{top:50%;transform:translateY(-50%)}
.lightbox__nav--prev{right:20px}
.lightbox__nav--next{left:20px}

/* sponsors */
.sponsors{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--border);gap:1px}
.sponsor{aspect-ratio:3/2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:16px;color:var(--muted);transition:.25s;background:var(--bg);text-align:center}
.sponsor-logo{height:84px;width:auto;max-width:96%;object-fit:contain;filter:grayscale(1);opacity:.6;transition:.25s}
.sponsor-name{font-size:13px;font-weight:600;line-height:1.5}
.sponsor:hover{color:var(--text);background:var(--surface)}
.sponsor:hover .sponsor-logo{filter:none;opacity:1}

/* ---------- blog cards ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;transition:.25s}
.post:hover{border-color:var(--border-2);transform:translateY(-3px)}
.post:hover .ph img{transform:scale(1.04)}
.post .ph{aspect-ratio:16/10}
.post-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.post h3{font-size:18px;font-weight:700;line-height:1.6}
.post p{font-size:14px;color:var(--muted)}
.post .more{margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--accent-text)}
.post .more .i{width:15px;height:15px}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--accent-soft);color:var(--accent-text);border:1px solid var(--accent-line)}
.center{text-align:center}
.mt-40{margin-top:40px}

/* ---------- seminar list ---------- */
.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:32px;flex-wrap:wrap}
.search{position:relative;flex:1;min-width:240px;max-width:460px}
.search .input{padding-inline-start:46px;padding-inline-end:16px;border-radius:999px}
.search .i{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search button{position:absolute;inset:0 auto 0 0;width:0;overflow:hidden;border:0;opacity:0}
.sems{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sem{border:1px solid var(--border);border-radius:20px;background:var(--surface);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.sem:hover{border-color:var(--border-2);transform:translateY(-3px)}
.sem:hover .ph img{transform:scale(1.04)}
.sem .ph{aspect-ratio:4/4.4}
.date-badge{position:absolute;top:14px;right:14px;z-index:2;background:rgba(10,12,11,.82);backdrop-filter:blur(6px);border:1px solid var(--border-2);border-radius:12px;padding:6px 12px;text-align:center;line-height:1.3}
.date-badge b{display:block;font-size:22px;font-weight:800}
.date-badge small{font-size:12px;color:var(--text-2)}
.sem-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.sem-body h3{font-size:19px;font-weight:700;line-height:1.6}
.sem-body p{font-size:14px;color:var(--muted)}
.sem-loc{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2)}
.sem-loc .i{width:14px;height:14px;color:var(--accent-text)}
.sem-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-size:13.5px;color:var(--text-2)}
.sem-foot .go{width:36px;height:36px;border-radius:50%;border:1px solid var(--border-2);display:grid;place-items:center;transition:.2s}
.sem:hover .go{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.pager{display:flex;justify-content:center;align-items:center;gap:6px;margin-top:48px;flex-wrap:wrap}
.pager a,.pager span{min-width:42px;height:42px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--border);font-size:14.5px;color:var(--text-2);padding:0 14px}
.pager a:hover{border-color:var(--border-2);color:var(--text)}
.pager .on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}
.empty{text-align:center;padding:64px 24px;border:1px dashed var(--border-2);border-radius:20px;color:var(--muted)}
.empty .i{width:36px;height:36px;color:var(--accent-text);margin:0 auto 12px}
.empty h3{color:var(--text);font-size:20px;margin-bottom:6px}
.empty .btn{margin-top:20px}

/* ---------- seminar detail ---------- */
.detail-hero{padding:56px 0 64px}
.detail-grid{display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:start}
.detail-grid.single{grid-template-columns:1fr}
.detail-grid .poster{aspect-ratio:3/4}
/* home hero poster: show the whole image at its own aspect ratio */
.hero .poster{aspect-ratio:auto;width:fit-content;max-width:100%;margin-inline:auto}
.hero .poster > img{position:static;display:block;width:auto;max-width:100%;height:auto;max-height:75vh;object-fit:contain}
.detail-grid h1{font-size:clamp(32px,4.4vw,54px);font-weight:900;line-height:1.3;letter-spacing:-.03em;margin-bottom:18px}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:26px 0;background:var(--border);gap:1px}
.info-grid > div{padding:16px 18px;background:var(--surface)}
.info-grid small{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12.5px}
.info-grid small .i{width:14px;height:14px;color:var(--accent-text)}
.info-grid b{font-size:15.5px;font-weight:600}

/* ---------- blog list ---------- */
.blog-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.feature{display:grid;grid-template-columns:1.1fr 1fr;border:1px solid var(--border);border-radius:24px;overflow:hidden;background:var(--surface);margin-bottom:24px;transition:.25s}
.feature:hover{border-color:var(--border-2)}
.feature:hover .ph img{transform:scale(1.03)}
.feature .ph{min-height:320px}
.feature-body{padding:36px;display:flex;flex-direction:column;gap:12px;justify-content:center}
.feature-body h2{font-size:28px;font-weight:800;line-height:1.5;letter-spacing:-.01em}
.feature-body p{color:var(--text-2);font-size:15px}
.rows{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--border)}
.row.no-img{grid-template-columns:1fr}
.row .ph{aspect-ratio:4/3;border-radius:14px;border:1px solid var(--border)}
.row h3{font-size:19px;font-weight:700;line-height:1.6;margin:8px 0 6px;transition:.2s}
.row:hover h3{color:var(--accent-text)}
.row p{font-size:14.5px;color:var(--muted)}
.side{display:flex;flex-direction:column;gap:16px;position:sticky;top:calc(var(--nav-h) + 24px)}
.side-box{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:20px}
.side-box h4{font-size:12px;font-family:var(--mono);letter-spacing:.14em;color:var(--muted);margin-bottom:14px;font-weight:500}
.side-box .search{max-width:none;min-width:0}
.taglist{display:flex;flex-wrap:wrap;gap:6px}
.taglist a{padding:6px 12px;border-radius:999px;border:1px solid var(--border-2);font-size:13.5px;color:var(--text-2)}
.taglist a:hover{color:var(--text)}
.taglist a.on{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}

/* ---------- blog detail ---------- */
.article-head{padding:56px 0 36px;max-width:820px;margin:0 auto}
.article-head h1{font-size:clamp(30px,4.4vw,50px);font-weight:900;line-height:1.4;letter-spacing:-.025em;margin-bottom:22px}
.byline{display:flex;align-items:center;gap:14px;font-size:14px;color:var(--muted);flex-wrap:wrap}
.byline .av{width:40px;height:40px;border-radius:50%;background:var(--surface-3);border:1px solid var(--border-2);display:grid;place-items:center;font-weight:700;color:var(--text)}
.byline b{color:var(--text);font-weight:600;display:block;font-size:14.5px}
.byline .sep{width:4px;height:4px;border-radius:50%;background:var(--border-2)}
.article-cover{aspect-ratio:21/9;border-radius:24px;border:1px solid var(--border);margin-bottom:56px}
.article-wrap{display:grid;grid-template-columns:60px 1fr 60px;gap:24px;max-width:940px;margin:0 auto}
.share{display:flex;flex-direction:column;gap:8px;position:sticky;top:calc(var(--nav-h) + 28px);align-self:start}
.share a,.share button{width:44px;height:44px;border-radius:50%;border:1px solid var(--border-2);display:grid;place-items:center;color:var(--text-2);background:none;cursor:pointer;transition:.2s}
.share a:hover,.share button:hover{color:var(--accent-text);border-color:var(--accent-line)}
.share .copied{color:var(--accent-text);border-color:var(--accent-line)}
.share .i{width:17px;height:17px}

/* ---------- cooperation ---------- */
.perks{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.perk{padding:28px;border:1px solid var(--border);border-radius:20px;background:var(--surface);position:relative;overflow:hidden}
.perk .n{position:absolute;top:22px;left:24px;font-size:12px;color:var(--muted)}
.perk .ic{width:52px;height:52px;border-radius:14px;background:var(--accent-soft);border:1px solid var(--accent-line);display:grid;place-items:center;color:var(--accent-text);margin-bottom:22px}
.perk .ic .i{width:24px;height:24px}
.perk h3{font-size:19px;font-weight:700;margin-bottom:8px}
.perk p{font-size:14.5px;color:var(--muted)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:start}
.cinfo{display:flex;flex-direction:column;gap:10px}
.citem{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--border);border-radius:16px;background:var(--surface)}
.citem .ic{flex:none;width:42px;height:42px;border-radius:12px;background:var(--surface-3);display:grid;place-items:center;color:var(--accent-text)}
.citem small{display:block;color:var(--muted);font-size:12.5px}
.citem b{font-weight:600;font-size:15px;word-break:break-word}
.citem.social{justify-content:space-between;align-items:center}
.socials{display:flex;gap:8px}
.socials a{width:44px;height:44px;border-radius:12px;border:1px solid var(--border-2);display:grid;place-items:center;color:var(--text-2);transition:.2s}
.socials a:hover{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.map{border-radius:16px;border:1px solid var(--border);overflow:hidden;background:var(--surface-2)}
.map iframe{width:100%!important;height:320px!important;border:0;display:block}

/* ---------- login ---------- */
.login{min-height:calc(100vh - var(--nav-h) - 200px);display:grid;place-items:center;padding:56px 0}
.login-card{width:100%;max-width:420px;padding:40px;border:1px solid var(--border);border-radius:24px;background:var(--surface);position:relative}
.login-card::before{content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;background:linear-gradient(160deg,var(--accent-line),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.login-card .brand{justify-content:center;margin-bottom:26px}
.login-card .brand-logo{height:64px}
.login-card h1{font-size:24px;font-weight:800;text-align:center}
.login-card > p{text-align:center;color:var(--muted);font-size:14.5px;margin:4px 0 28px}
.pw{position:relative}
.pw .input{padding-left:48px}
.pw button{position:absolute;left:8px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--muted);cursor:pointer;padding:6px;display:grid}
.pw button:hover{color:var(--text)}

/* ---------- 404 ---------- */
.nf{padding:72px 0 96px;text-align:center}
.nf-code{font-size:clamp(130px,22vw,260px);font-weight:900;line-height:1;letter-spacing:-.06em;color:transparent;-webkit-text-stroke:1.5px var(--border-2);display:inline-block}
.nf-code span{color:var(--accent-text);-webkit-text-stroke:0;display:inline-block;animation:float 3.6s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}
.nf h1{font-size:clamp(24px,3vw,34px);font-weight:800;margin:10px 0}
.nf-lead{color:var(--text-2);max-width:520px;margin:0 auto 28px}
.nf .search{margin:0 auto 22px;max-width:480px}
.nf .actions{justify-content:center}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:56px;text-align:right}
.qcard{padding:18px;border:1px solid var(--border);border-radius:16px;background:var(--surface);display:flex;gap:12px;align-items:center;transition:.2s}
.qcard:hover{border-color:var(--accent-line)}
.qcard .ic{flex:none;width:40px;height:40px;border-radius:12px;background:var(--surface-3);display:grid;place-items:center;color:var(--accent-text)}
.qcard b{display:block;font-size:14.5px}
.qcard small{color:var(--muted);font-size:12.5px}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--border);background:var(--bg-2);padding:64px 0 0;margin-top:40px;overflow:hidden}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
.foot-grid h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;color:var(--muted);font-weight:500;margin-bottom:16px}
.foot-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14.5px;color:var(--text-2)}
.foot-grid ul a:hover{color:var(--accent-text)}
.foot-about .brand-logo{height:64px}
.foot-about p{color:var(--muted);font-size:14.5px;margin:14px 0 20px;max-width:340px}
.wordmark{font-size:clamp(80px,17vw,230px);font-weight:900;letter-spacing:-.05em;line-height:.85;text-align:center;margin-top:56px;color:transparent;-webkit-text-stroke:1px var(--border-2);user-select:none;white-space:nowrap;direction:ltr}
.foot-bottom{display:flex;justify-content:space-between;padding:20px 0;border-top:1px solid var(--border);font-size:13px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid,.detail-grid{grid-template-columns:1fr;gap:40px}
  .hero .poster > img{max-height:60vh}
  .detail-grid .poster{max-width:340px}
  .speakers{grid-template-columns:repeat(2,1fr)}
  .form-split{grid-template-columns:1fr}
  .form-aside{border-inline-end:0;border-bottom:1px solid var(--border)}
  .sems,.posts{grid-template-columns:repeat(2,1fr)}
  .sponsors{grid-template-columns:repeat(3,1fr)}
  .blog-layout{grid-template-columns:1fr}
  .side{position:static}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-about{grid-column:1/-1}
  .quick{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-links{display:none}
  .burger{display:grid}
  .nav-in{gap:12px}
  body.logo-pos-center .nav-in{display:flex}
  body.logo-pos-end .brand{order:0}
  .nav .brand-logo{height:38px}
  .nav-cta{gap:8px}
  .drawer{display:block;position:fixed;inset:var(--nav-h) 0 auto 0;background:var(--bg-2);border-bottom:1px solid var(--border);padding:12px 16px 20px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s;z-index:49;max-height:calc(100vh - var(--nav-h));overflow-y:auto}
  .drawer.active{transform:none;opacity:1;pointer-events:auto}
  .drawer a{display:flex;justify-content:space-between;align-items:center;padding:14px 8px;border-bottom:1px solid var(--border);font-size:16px}
  .drawer a.active{color:var(--accent-text)}
  .drawer-overlay{display:block;position:fixed;inset:var(--nav-h) 0 0 0;background:rgba(0,0,0,.5);z-index:48;opacity:0;pointer-events:none;transition:.25s}
  .drawer-overlay.active{opacity:1;pointer-events:auto}
  .coop-card{grid-template-columns:1fr;padding:28px}
  /* videos: swipeable row, next card peeks in */
  .videos{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin-inline:-24px;padding:0 24px 4px;scroll-padding-inline:24px}
  .videos::-webkit-scrollbar{display:none}
  .video{flex:0 0 min(80%,340px);scroll-snap-align:start}
  .video h4{font-size:14.5px}
  .perks{grid-template-columns:1fr}
  .desc-cards-grid{grid-template-columns:1fr}
  .feature{grid-template-columns:1fr}
  .feature .ph{min-height:220px}
  .article-wrap{grid-template-columns:1fr}
  .share{flex-direction:row;position:static;order:2}
  .article-wrap > .spacer{display:none}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .videos{margin-inline:-16px;padding:0 16px 4px;scroll-padding-inline:16px}
  section{padding:64px 0}
  .pt-0{padding-top:0}
  .hero{padding:40px 0 56px}
  .phead{padding:48px 0 36px}
  .sec-head{flex-wrap:wrap;align-items:center;gap:12px}
  .sec-head .sec-link{margin:0}
  .nav-cta .btn-primary{padding:0 12px}
  .countdown{flex-direction:column;align-items:stretch;gap:10px;width:100%}
  .cd-label{max-width:none}
  .cd-cells{justify-content:space-between}
  .cd-cell{min-width:0;flex:1}
  .actions .btn{flex:1 1 100%}
  .speakers{grid-template-columns:1fr 1fr;gap:10px}
  .speaker-body{padding:14px}
  .speaker p{display:none}
  .frow,.checks{grid-template-columns:1fr}
  .form-aside,.form-body,.panel{padding:24px 20px}
  .gallery{grid-template-columns:1fr 1fr;grid-auto-rows:130px}
  .gallery-item:nth-child(6n+1){grid-column:span 2;grid-row:span 1}
  .gallery-item:nth-child(6n+4){grid-row:span 1}
  .sponsors{grid-template-columns:repeat(2,1fr)}
  .sems,.posts{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .row{grid-template-columns:110px 1fr;gap:14px}
  .row p{display:none}
  .row h3{font-size:16px}
  .feature-body{padding:24px}
  .feature-body h2{font-size:22px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:6px;text-align:center}
  .quick{grid-template-columns:1fr}
  .login-card{padding:28px 20px}
  .lightbox__nav{top:auto;bottom:24px;transform:none}
}

/* =========================================================
   Home page motion
   Only active when html.motion is set (JS on, no reduced-motion).
   ========================================================= */
.page-home .hero{position:relative;overflow:hidden}
.page-home .hero > .container{position:relative;z-index:1}
.hero-glow{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero-glow span{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.hero-glow span:first-child{width:520px;height:520px;top:-180px;right:-120px;background:radial-gradient(circle,rgba(1,115,92,.55),transparent 70%)}
.hero-glow span:last-child{width:420px;height:420px;bottom:-200px;left:10%;background:radial-gradient(circle,rgba(52,200,156,.28),transparent 70%)}

.motion .hero-glow span:first-child{animation:drift-a 16s ease-in-out infinite alternate}
.motion .hero-glow span:last-child{animation:drift-b 20s ease-in-out infinite alternate}
@keyframes drift-a{to{transform:translate(-140px,120px) scale(1.15)}}
@keyframes drift-b{to{transform:translate(160px,-90px) scale(.9)}}

/* hero entrance: badge, title words, meta, text, countdown, buttons */
.motion .page-home .hero [data-enter]{opacity:0;transform:translateY(18px);animation:enter .8s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:var(--d,0s)}
@keyframes enter{to{opacity:1;transform:none}}
.motion .page-home .hero h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
.motion .page-home .hero h1 .w > span{display:inline-block;transform:translateY(110%);animation:word-up .9s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:var(--d,0s)}
@keyframes word-up{to{transform:none}}

/* poster: reveal, float, pointer tilt */
.motion .page-home .hero .poster{opacity:0;animation:poster-in 1.1s cubic-bezier(.2,.7,.2,1) .35s forwards;transform-style:preserve-3d;will-change:transform}
@keyframes poster-in{from{opacity:0;clip-path:inset(12% 12% 12% 12% round 24px);transform:scale(1.04)}to{opacity:1;clip-path:inset(0 0 0 0 round 24px);transform:none}}
.motion .page-home .hero .poster.entered{animation:none;opacity:1}
.motion .page-home .hero .poster-float{animation:float-y 7s ease-in-out 1.5s infinite}
@keyframes float-y{50%{translate:0 -10px}}
.page-home .hero .poster{transition:transform .25s ease-out,box-shadow .25s}
.page-home .hero .poster.tilting{box-shadow:0 40px 80px -30px rgba(0,0,0,.8),0 0 0 1px var(--accent-line)}
.page-home .hero .poster::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.14),transparent 45%);opacity:0;transition:opacity .3s}
.page-home .hero .poster.tilting::after{opacity:1}

/* countdown seconds tick */
.motion .page-home .cd-cell.sec.tick b{animation:tick .45s cubic-bezier(.2,.7,.2,1)}
@keyframes tick{from{transform:translateY(-35%);opacity:.2}to{transform:none;opacity:1}}
.motion .page-home .cd-cell.sec{position:relative;overflow:hidden}
.motion .page-home .cd-cell.sec::after{content:"";position:absolute;inset:auto 0 0 0;height:2px;background:var(--accent-text);transform-origin:right;animation:sec-bar 1s linear infinite}
@keyframes sec-bar{from{transform:scaleX(1)}to{transform:scaleX(0)}}
.motion .page-home .countdown.is-expired .cd-cell.sec::after{display:none}

/* primary buttons: light sweep */
.motion .page-home .btn-primary{position:relative;overflow:hidden;isolation:isolate}
.motion .page-home .btn-primary::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.28) 50%,transparent 65%);transform:translateX(120%);animation:sweep 4.5s ease-in-out 2s infinite}
@keyframes sweep{0%,60%{transform:translateX(120%)}100%{transform:translateX(-120%)}}

/* coop card: slowly moving glow */
.motion .page-home .coop-card::after{animation:coop-glow 9s ease-in-out infinite alternate}
@keyframes coop-glow{to{transform:translate(260px,-60px) scale(1.3)}}

/* scroll reveal */
.motion .page-home .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.motion .page-home .reveal.in{opacity:1;transform:none}
.motion .page-home .gallery-item.reveal{transform:scale(.94)}
.motion .page-home .gallery-item.reveal.in{transform:none}
/* section heading underline draws in */
.page-home .sec-head{position:relative}
.motion .page-home .sec-head{border-bottom-color:transparent}
.motion .page-home .sec-head::after{content:"";position:absolute;right:0;left:0;bottom:-1px;height:1px;background:linear-gradient(270deg,var(--accent-text),var(--border) 40%);transform:scaleX(0);transform-origin:right;transition:transform 1.2s cubic-bezier(.2,.7,.2,1) .15s}
.motion .page-home .sec-head.in::after{transform:scaleX(1)}

@media (prefers-reduced-motion: reduce){
  .hero-glow span{animation:none!important}
}