/* Workshop 01 — UEH (ATD) × Leonix landing page.
   Dùng chung hệ màu / typography với /about-leonix/ và /mbti/ để giữ một nhận diện Leonix,
   bổ sung các component riêng cho sự kiện: chips thông tin, agenda, readiness check, form. */
:root{
  --coral:#F04B2D;--orange:#F0782D;--amber:#F0A53C;
  --ink:#1F1E1D;--charcoal:#3B3B3B;--slate:#6B6862;--stone:#9C998F;
  --bone:#EEEEEE;--paper:#FAF9F6;--white:#fff;
  --surface:#fff;--surface-2:#F5F3EE;--border:#E6E3DC;--soft:rgba(240,120,45,.08);
  --ueh:#0B4DA2;--ueh-soft:rgba(11,77,162,.09);
  --ok:#2E7D5B;--ok-soft:rgba(46,125,91,.10);
  --warn:#B8791B;--warn-soft:rgba(184,121,27,.12);
  --alert:#C0392B;--alert-soft:rgba(192,57,43,.10);
  --grad:linear-gradient(90deg,var(--coral) 0%,var(--orange) 52%,var(--amber) 100%);
  --shadow:0 1px 2px rgba(31,30,29,.04),0 10px 28px rgba(31,30,29,.06);
  --shadow-lift:0 2px 4px rgba(31,30,29,.05),0 18px 44px rgba(31,30,29,.11);
  --r-xl:22px;--r-lg:18px;--r-md:13px;--r-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:"Be Vietnam Pro",Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-body:Inter,"Be Vietnam Pro",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#1A1917;--ink:#F5F2EC;--charcoal:#E4E0D8;--slate:#B5B2A8;--stone:#8C897F;
    --surface:#232220;--surface-2:#2C2B28;--border:#3B3B3B;--bone:#2C2B28;--soft:rgba(240,120,45,.12);
    --ueh:#7FA9E8;--ueh-soft:rgba(127,169,232,.14);
    --ok:#7FCBA7;--ok-soft:rgba(127,203,167,.14);
    --warn:#E0B063;--warn-soft:rgba(224,176,99,.14);
    --alert:#E8887C;--alert-soft:rgba(232,136,124,.14);
    --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 28px rgba(0,0,0,.25);
    --shadow-lift:0 2px 4px rgba(0,0,0,.35),0 18px 44px rgba(0,0,0,.4);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);background:var(--paper);color:var(--charcoal);
  line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
::selection{background:rgba(240,165,60,.30)}

.shell{max-width:1120px;margin:auto;padding:0 24px}
.shell-narrow{max-width:820px;margin:auto;padding:0 24px}
.section{padding:64px 0;scroll-margin-top:84px}
.section + .section{border-top:1px solid var(--border)}
.section-alt{background:var(--surface-2)}
.muted{color:var(--slate)}
.center{text-align:center}

h1,h2,h3{font-family:var(--font-display);color:var(--ink);letter-spacing:-.015em;line-height:1.15;margin:0}
h1{font-size:clamp(34px,5vw,58px);font-weight:700;line-height:1.05;margin:18px 0 20px}
.hero-title{font-size:clamp(38px,4.8vw,58px);line-height:.98;letter-spacing:-.035em;margin:18px 0 26px;
  max-width:620px}
.hero-title span{display:block}
.hero-title-script{font-family:"Dancing Script",cursive;font-size:1.02em;font-weight:700;letter-spacing:.01em;
  color:var(--coral);line-height:1.05;position:relative;width:max-content}
.hero-title-script::after{content:"";position:absolute;left:2%;right:-9%;bottom:-5px;height:3px;
  background:linear-gradient(90deg,var(--orange),rgba(240,165,60,.08));border-radius:50%;
  transform:rotate(-2deg)}
.hero-title-main{color:var(--ink);font-weight:800;margin-top:20px}
.hero-title-accent{color:var(--orange);font-weight:800}
h2{font-size:clamp(25px,3.2vw,36px);font-weight:600;margin:12px 0 14px;padding-bottom:12px;position:relative}
h2::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:2px;background:var(--orange);border-radius:2px}
h3{font-size:19px;font-weight:600;margin:0 0 8px}
h4{font-family:var(--font-display);color:var(--ink);font-size:16px;font-weight:600;margin:0 0 6px}
p{margin:0}
strong{font-weight:600;color:var(--ink)}
.lead{font-size:clamp(17px,1.9vw,20px);color:var(--slate);max-width:62ch}
.sub{color:var(--slate);max-width:70ch;margin-top:4px}
.small{font-size:14px;color:var(--slate)}

.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--slate);
  font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--orange);border-radius:2px}
.bi{line-height:1;display:inline-block}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.site-header .shell{position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;flex-wrap:wrap}
.nav-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;flex:0 0 auto;
  border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);
  font-size:19px;line-height:1;cursor:pointer;transition:border-color .15s var(--ease)}
.nav-toggle:hover{border-color:var(--orange)}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);
  font-weight:700;color:var(--ink)}
.brand-logo-link,.partner-logo-link{display:flex;align-items:center}
.brand .logo{height:24px;width:auto;display:block}
.brand .logo-dark-bg{display:none}  /* wordmark sáng — dùng cho nền tối */
@media (prefers-color-scheme: dark){
  .brand .logo-light-bg{display:none}
  .brand .logo-dark-bg{display:block}
}
.brand .cross{color:var(--stone);font-weight:400}
.brand .partner-logo{height:24px;width:auto;display:block}
.header-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
nav[data-site-nav]{display:flex;gap:18px;flex-wrap:wrap}
nav[data-site-nav] a{color:var(--slate);font-size:14px;font-weight:500;padding:4px 0;
  border-bottom:2px solid transparent;transition:color .15s var(--ease)}
nav[data-site-nav] a:hover{color:var(--ink)}
nav[data-site-nav] a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--orange)}
.btn-header{padding:9px 18px;font-size:14px}

/* ---------- Buttons ---------- */
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;
  border-radius:999px;font-family:var(--font-body);font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-lift)}
.btn-ghost{border-color:var(--border);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;box-shadow:var(--shadow)}
.btn-lg{padding:15px 30px;font-size:16px}

/* ---------- Hero ---------- */
.hero{padding:64px 0 56px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% 40% auto -20%;height:560px;
  background:radial-gradient(closest-side,var(--soft),transparent);pointer-events:none}
.hero .shell{position:relative}

/* Hero background — con đường từ "bắt đầu" tới "tương lai".
   Ảnh neo bên phải; lớp phủ paper từ trái sang giữ chữ dễ đọc, mép dưới tan vào nền trang. */
.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.hero-bg::before,.hero-bg::after{content:"";position:absolute;inset:0}
.hero-bg::before{
  /*background:url("/workshop-atd/assets/hero-bg.webp?v=2") right 38% / cover no-repeat;*/
  transform-origin:78% 60%;animation:heroBgIn 2.4s var(--ease) both}
.hero-bg::after{background:
  linear-gradient(180deg,var(--paper) 0%,transparent 14%,transparent 58%,var(--paper) 96%),
  linear-gradient(90deg,var(--paper) 0%,color-mix(in srgb,var(--paper) 94%,transparent) 30%,
    color-mix(in srgb,var(--paper) 62%,transparent) 50%,color-mix(in srgb,var(--paper) 12%,transparent) 74%,transparent 100%)}
@keyframes heroBgIn{from{opacity:0;transform:scale(1.05)}to{opacity:1;transform:none}}
@media (prefers-color-scheme: dark){
  .hero-bg::before{filter:brightness(.55) saturate(.9)}
  .hero-bg::after{background:
    linear-gradient(180deg,var(--paper) 0%,transparent 16%,transparent 52%,var(--paper) 94%),
    linear-gradient(90deg,var(--paper) 0%,color-mix(in srgb,var(--paper) 92%,transparent) 32%,
      color-mix(in srgb,var(--paper) 55%,transparent) 54%,transparent 82%)}
}
.hero::before{z-index:0}
.hero .lead{margin-bottom:26px}
.hero-series{color:var(--slate);font-size:15px;margin-bottom:6px}

/* Hero two-column grid */
.hero-grid{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:center}
.hero-content{position:relative;z-index:2}

/* Hero visual — floating speaker cards */
.hero-visual{position:relative;height:400px;z-index:1}

.hero-card{position:absolute;background:color-mix(in srgb,var(--surface) 85%,transparent);
  backdrop-filter:saturate(1.5) blur(14px);-webkit-backdrop-filter:saturate(1.5) blur(14px);
  border:1px solid color-mix(in srgb,var(--border) 70%,transparent);border-radius:var(--r-lg);
  padding:0 0 14px;box-shadow:var(--shadow-lift);transition:transform .35s var(--ease),box-shadow .35s var(--ease);
  display:flex;flex-direction:column;align-items:center;gap:10px;width:200px;overflow:hidden}
.hero-card:hover{transform:translateY(-6px) scale(1.03)!important;box-shadow:0 8px 40px rgba(31,30,29,.18)}

.hero-card-avatar{width:100%;height:170px;border-radius:var(--r-lg) var(--r-lg) 0 0;object-fit:cover;
  object-position:center 20%;border:0;border-bottom:3px solid var(--surface);box-shadow:0 2px 12px rgba(31,30,29,.10)}
.hero-card-2 .hero-card-avatar{object-position:center 5%}

/* Thẻ diễn giả Leonix — ảnh tách nền (PNG trong suốt) đặt trên nền dải cam thương hiệu,
   khung viền gradient cam thay cho viền xám trung tính */
.hero-card-leonix{border:1px solid transparent;
  background:
    linear-gradient(color-mix(in srgb,var(--surface) 90%,transparent),color-mix(in srgb,var(--surface) 90%,transparent)) padding-box,
    linear-gradient(150deg,color-mix(in srgb,var(--amber) 70%,transparent),color-mix(in srgb,var(--coral) 55%,transparent) 55%,color-mix(in srgb,var(--orange) 20%,transparent)) border-box;
  box-shadow:0 2px 4px rgba(240,75,45,.06),0 18px 44px rgba(240,120,45,.18)}
.hero-card-leonix:hover{box-shadow:0 8px 40px rgba(240,120,45,.28)}
.hero-card-leonix .hero-card-avatar{background:url("/workshop-atd/assets/leonix-speaker-bg.webp") 70% 100% / cover no-repeat;
  border-bottom:3px solid;border-image:var(--grad) 1;box-shadow:none}
.hero-card-leonix .hero-card-tag.tag-leonix{color:#fff;background:var(--grad);border-color:transparent}

/* Thẻ diễn giả UEH — cùng cấu trúc với thẻ Leonix, nền xanh teal kiểu ấn phẩm UEH
   (dải kính dọc mờ hai bên), khung viền gradient teal */
.hero-card-ueh{--teal:#0E5A68;--teal-2:#2E8C9A;--grad-teal:linear-gradient(90deg,#0B4552 0%,var(--teal) 50%,var(--teal-2) 100%);
  border:1px solid transparent;
  background:
    linear-gradient(color-mix(in srgb,var(--surface) 90%,transparent),color-mix(in srgb,var(--surface) 90%,transparent)) padding-box,
    linear-gradient(150deg,color-mix(in srgb,var(--teal-2) 70%,transparent),color-mix(in srgb,var(--teal) 55%,transparent) 55%,color-mix(in srgb,var(--teal) 15%,transparent)) border-box;
  box-shadow:0 2px 4px rgba(14,90,104,.06),0 18px 44px rgba(14,90,104,.18)}
.hero-card-ueh:hover{box-shadow:0 8px 40px rgba(14,90,104,.28)}
.hero-card-ueh .hero-card-avatar{background:url("/workshop-atd/assets/ueh-speaker-bg.webp?v=2") center 40% / cover no-repeat;
  border-bottom:3px solid;border-image:var(--grad-teal) 1;box-shadow:none}
.hero-card-ueh .hero-card-tag.tag-ueh{color:#fff;background:var(--grad-teal);border-color:transparent}

.hero-card-info{text-align:center;display:flex;flex-direction:column;align-items:center;gap:4px;padding:0 8px}
.hero-card-tag{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:3px 10px;border-radius:999px;display:inline-block}
.hero-card-tag.tag-ueh{color:var(--ueh);background:var(--ueh-soft);border:1px solid color-mix(in srgb,var(--ueh) 25%,transparent)}
.hero-card-tag.tag-leonix{color:var(--orange);background:var(--soft);border:1px solid color-mix(in srgb,var(--orange) 25%,transparent)}
.hero-card-name{font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--ink);line-height:1.3}

/* Staggered card positioning — diagonal layout */
.hero-card-1{top:20px;left:4px;transform:rotate(-2deg);animation:heroFloat1 6s ease-in-out infinite;z-index:2}
.hero-card-2{bottom:0;right:-10px;transform:rotate(2deg);animation:heroFloat2 7s ease-in-out infinite;z-index:1}

/* Floating badge — top right, above cards */
.hero-badge{position:absolute;top:8px;right:0;
  display:flex;align-items:center;gap:10px;
  background:color-mix(in srgb,var(--surface) 92%,transparent);
  backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);
  border:1px solid color-mix(in srgb,var(--border) 60%,transparent);border-radius:var(--r-md);
  padding:10px 14px;box-shadow:var(--shadow);animation:heroFloat3 5s ease-in-out infinite;z-index:3}
.hero-badge .bi{font-size:20px;color:var(--orange)}
.hero-badge span{font-family:var(--font-display);font-size:15px;font-weight:700;color:var(--ink);line-height:1.2}
.hero-badge small{font-size:11px;font-weight:600;color:var(--slate);letter-spacing:.04em;text-transform:uppercase}

@keyframes heroFloat1{0%,100%{transform:rotate(-2deg) translateY(0)}50%{transform:rotate(-2deg) translateY(-10px)}}
@keyframes heroFloat2{0%,100%{transform:rotate(2deg) translateY(0)}50%{transform:rotate(2deg) translateY(-8px)}}
@keyframes heroFloat3{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

@media (prefers-reduced-motion:reduce){
  .hero-card-1,.hero-card-2,.hero-badge,.hero-bg::before{animation:none!important}
}
/* ---------- Fact chips ---------- */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin:28px 0 30px}
.fact{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);padding:14px 16px;box-shadow:var(--shadow)}
.fact .bi{font-size:18px;color:var(--orange);margin-top:2px}
.fact .k{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--stone);font-weight:600}
.fact .v{font-size:15px;font-weight:600;color:var(--ink);line-height:1.4}
.fact .n{font-size:13px;color:var(--slate);line-height:1.5}

.notice{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-radius:var(--r-md);
  background:var(--warn-soft);border:1px solid color-mix(in srgb,var(--warn) 30%,transparent);
  color:var(--ink);font-size:14px;line-height:1.6}
.notice .bi{color:var(--warn);font-size:16px;margin-top:3px}

/* ---------- Callout / big idea ---------- */
.callout{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);
  padding:32px 34px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.callout::after{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad)}
.callout .q{font-family:var(--font-display);font-size:clamp(19px,2.4vw,26px);font-weight:600;
  color:var(--ink);line-height:1.35;letter-spacing:-.01em}

/* ---------- Generic grids & cards ---------- */
.grid{display:grid;gap:16px;margin-top:32px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);transition:border-color .15s var(--ease),transform .15s var(--ease)}
.card-hover:hover{border-color:color-mix(in srgb,var(--orange) 45%,var(--border));transform:translateY(-2px)}
.card .ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--soft);color:var(--orange);font-size:18px;margin-bottom:14px}
.card p{font-size:15px;color:var(--slate)}
.card ul{margin:12px 0 0;padding-left:18px;color:var(--slate);font-size:14px}
.card li{margin-bottom:6px}
.card li::marker{color:var(--amber)}

.checklist{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.checklist li{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;
  font-size:15px;color:var(--slate)}
.checklist .bi{color:var(--orange);font-size:16px;margin-top:4px}

/* ---------- Promise (4 câu hỏi) ---------- */
.qgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin-top:30px}
.qcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow);counter-increment:q}
.qcard .qn{font-family:var(--font-display);font-weight:700;font-size:13px;color:var(--orange);
  letter-spacing:.08em}
.qcard p{margin-top:8px;font-size:16px;color:var(--ink);font-weight:500;line-height:1.5}

/* ---------- Toolkit ---------- */
.tool{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px 22px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.tool .badge-n{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-family:var(--font-display);font-weight:700;font-size:14px}
.tool h3{font-size:17px}
.tool p{font-size:14px;color:var(--slate);margin-top:4px}
.tool .take{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:12px;
  font-weight:600;color:var(--slate);background:var(--bone);border-radius:999px;padding:4px 12px}
.tool .take .bi{color:var(--amber)}

/* ---------- Agenda ---------- */
.agenda{margin-top:30px;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow)}
.agenda-row{display:grid;grid-template-columns:88px 1fr 132px;gap:16px;padding:16px 20px;
  border-bottom:1px solid var(--border);align-items:start}
.agenda-row:last-child{border-bottom:0}
.agenda-row.is-break{background:var(--bone)}
.agenda .dur{font-family:var(--font-display);font-weight:700;color:var(--orange);font-size:15px;
  white-space:nowrap}
.agenda .what{font-size:15px;color:var(--ink);font-weight:500}
.agenda .out{font-size:13px;color:var(--slate);margin-top:4px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;border-radius:999px;
  padding:4px 11px;border:1px solid var(--border);color:var(--slate);background:var(--paper);white-space:nowrap}
.tag-leonix{color:var(--orange);border-color:color-mix(in srgb,var(--orange) 40%,transparent);background:var(--soft)}
.tag-ueh{color:var(--ueh);border-color:color-mix(in srgb,var(--ueh) 40%,transparent);background:var(--ueh-soft)}
.agenda-foot{padding:14px 20px;background:var(--bone);font-size:13px;color:var(--slate)}

/* ---------- Speakers ---------- */
.speaker{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;padding:24px 26px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.speaker:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);border-color:color-mix(in srgb,var(--orange) 30%,var(--border))}
.avatar{width:84px;height:84px;border-radius:50%;object-fit:cover;overflow:hidden;align-self:center;
  border:2px solid var(--surface);box-shadow:0 0 0 2px color-mix(in srgb,var(--orange) 40%,var(--border)),0 4px 16px rgba(31,30,29,.10);
  flex-shrink:0;transition:transform .25s var(--ease)}
.speaker:hover .avatar{transform:scale(1.05)}
.avatar-ueh{background:url("/workshop-atd/assets/ueh-speaker-bg.webp?v=2") center / cover no-repeat;
  object-position:center 8%;box-shadow:0 0 0 2px #0E5A68,0 6px 18px rgba(14,90,104,.25)}
@media (prefers-color-scheme: dark){.avatar-ueh{box-shadow:0 0 0 2px #2E8C9A,0 6px 18px rgba(0,0,0,.35)}}
.avatar-leonix{background:url("/workshop-atd/assets/leonix-speaker-bg.webp") 70% 100% / cover no-repeat;
  object-position:center 8%;box-shadow:0 0 0 2px var(--orange),0 6px 18px rgba(240,120,45,.25)}
.speaker-kicker{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  letter-spacing:.04em;padding:3px 11px;border-radius:999px;margin-bottom:6px;white-space:nowrap}
.kicker-ueh{color:var(--ueh);background:var(--ueh-soft);border:1px solid color-mix(in srgb,var(--ueh) 30%,transparent)}
.kicker-leonix{color:var(--orange);background:var(--soft);border:1px solid color-mix(in srgb,var(--orange) 30%,transparent)}
.speaker-name{margin:2px 0 6px;font-family:var(--font-display);font-size:20px;font-weight:700;
  letter-spacing:-.01em;line-height:1.25;color:var(--ink);display:flex;align-items:center;gap:8px}
.speaker-name::after{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--orange);opacity:.75}
.speaker .role{font-size:13.5px;color:var(--slate);line-height:1.5}
.speaker .tba{display:inline-block;margin-top:8px;font-size:12px;font-weight:600;color:var(--warn);
  background:var(--warn-soft);border-radius:999px;padding:3px 11px}

/* ---------- Series roadmap ---------- */
.series{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px;margin-top:30px}
.wsstep{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--shadow);position:relative}
.wsstep.current{border-color:var(--orange);box-shadow:var(--shadow-lift)}
.wsstep .no{font-family:var(--font-display);font-weight:700;font-size:13px;letter-spacing:.08em;color:var(--stone)}
.wsstep.current .no{color:var(--orange)}
.wsstep h3{margin-top:8px;font-size:17px}
.wsstep p{font-size:14px;color:var(--slate);margin-top:8px}
.wsstep .when{margin-top:12px;font-size:12px;font-weight:600;color:var(--slate);
  border-top:1px dashed var(--border);padding-top:10px}
.wsstep .now{position:absolute;top:-11px;right:18px;font-size:11px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:#fff;background:var(--grad);border-radius:999px;padding:4px 12px}

/* ---------- Partners ---------- */
.partner-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow)}
.partner-card .kicker{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--stone)}
.partner-card h3{margin-top:10px;font-size:20px}
.partner-card .tagline{font-size:14px;font-weight:600;color:var(--orange);margin-top:4px}
.partner-card.ueh .tagline{color:var(--ueh)}
.partner-card p{margin-top:12px;font-size:15px;color:var(--slate)}

/* ---------- Readiness check ---------- */
.rc{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);
  padding:30px;box-shadow:var(--shadow-lift);margin-top:30px}
.rc-item{padding:18px 0;border-bottom:1px dashed var(--border)}
.rc-item:last-of-type{border-bottom:0}
.rc-item .dim{display:flex;align-items:center;gap:9px;font-family:var(--font-display);font-weight:600;
  color:var(--ink);font-size:16px}
.rc-item .dim .bi{color:var(--orange)}
.rc-item .ask{font-size:14px;color:var(--slate);margin:4px 0 12px}
.rc-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.rc-opt{position:relative}
.rc-opt input{position:absolute;opacity:0;width:0;height:0}
.rc-opt span{display:block;height:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--r-sm);
  background:var(--paper);font-size:14px;color:var(--slate);cursor:pointer;line-height:1.4;
  transition:border-color .15s var(--ease),color .15s var(--ease),background .15s var(--ease)}
.rc-opt span:hover{border-color:var(--orange)}
.rc-opt input:checked + span{border-color:var(--orange);background:var(--soft);color:var(--ink);font-weight:500}
.rc-opt input:focus-visible + span{outline:2px solid var(--orange);outline-offset:2px}
.rc-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:22px}
.rc-progress{font-size:13px;color:var(--slate)}
.rc-result{margin-top:24px;padding:24px;border-radius:var(--r-lg);border:1px solid var(--border);
  background:var(--paper)}
.rc-result[hidden]{display:none}
.rc-score{display:flex;align-items:baseline;gap:10px;font-family:var(--font-display)}
.rc-score .n{font-size:42px;font-weight:700;color:var(--ink);line-height:1}
.rc-score .d{font-size:16px;color:var(--slate)}
.rc-level{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;border-radius:999px;padding:5px 14px}
.rc-level.lv-1{color:var(--alert);background:var(--alert-soft)}
.rc-level.lv-2{color:var(--warn);background:var(--warn-soft)}
.rc-level.lv-3{color:var(--ok);background:var(--ok-soft)}
.rc-bars{margin-top:20px;display:grid;gap:10px}
.rc-bar{display:grid;grid-template-columns:130px 1fr auto;gap:12px;align-items:center;font-size:13px}
.rc-bar .lbl{color:var(--slate)}
.rc-bar .track{height:8px;border-radius:999px;background:var(--bone);overflow:hidden}
.rc-bar .fill{height:100%;border-radius:999px;background:var(--grad)}
.rc-bar .val{color:var(--stone);font-variant-numeric:tabular-nums}
.rc-advice{margin-top:18px;font-size:15px;color:var(--slate)}
.rc-advice strong{color:var(--ink)}

/* ---------- Form ---------- */
.formwrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--shadow-lift);margin-top:30px;position:relative;overflow:hidden}
.formwrap::after{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad)}
.fieldset{border:0;padding:0;margin:0 0 26px}
.fieldset legend{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--ink);
  padding:0;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.fieldset legend .bi{color:var(--orange)}
.frow{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field .req{color:var(--coral)}
.field .hint{font-size:12.5px;color:var(--stone);line-height:1.5}
.field input[type=text],.field input[type=email],.field input[type=tel],.field select,.field textarea{
  font-family:var(--font-body);font-size:15px;color:var(--ink);background:var(--paper);
  border:1px solid var(--border);border-radius:var(--r-sm);padding:11px 13px;width:100%;
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
.field textarea{resize:vertical;min-height:88px;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);
  box-shadow:0 0 0 3px var(--soft)}
.field input[aria-invalid=true],.field select[aria-invalid=true],.field textarea[aria-invalid=true]{
  border-color:var(--alert);box-shadow:0 0 0 3px var(--alert-soft)}
.err{font-size:12.5px;color:var(--alert);font-weight:500;min-height:0}
.err:empty{display:none}
.optgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:8px}
.opt{position:relative}
.opt input{position:absolute;opacity:0;width:0;height:0}
.opt span{display:block;height:100%;padding:10px 13px;border:1px solid var(--border);border-radius:var(--r-sm);
  background:var(--paper);font-size:14px;color:var(--slate);cursor:pointer;line-height:1.4;
  transition:border-color .15s var(--ease),color .15s var(--ease),background .15s var(--ease)}
.opt span:hover{border-color:var(--orange)}
.opt input:checked + span{border-color:var(--orange);background:var(--soft);color:var(--ink);font-weight:500}
.opt input:focus-visible + span{outline:2px solid var(--orange);outline-offset:2px}
.consent{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;font-size:14px;font-weight:400;
  color:var(--slate);line-height:1.6}
.consent input{margin-top:5px;width:16px;height:16px;accent-color:var(--orange);flex:none}
.form-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:8px}
.form-status{font-size:14px;font-weight:500}
.form-status.error{color:var(--alert)}
.form-status.pending{color:var(--slate)}
.form-status a{font-weight:700;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.form-status a:hover{text-decoration-thickness:2px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.form-done{text-align:center;padding:22px 6px}
.form-done .bi{font-size:44px;color:var(--ok)}
.form-done h3{margin:14px 0 10px;font-size:24px}
.form-done p{color:var(--slate);font-size:15px;max-width:56ch;margin:0 auto}
.form-done .next{margin-top:22px;text-align:left;background:var(--paper);border:1px solid var(--border);
  border-radius:var(--r-md);padding:18px 20px}
.form-done .next h4{margin-bottom:8px}
.form-done .next ul{margin:0;padding-left:18px;color:var(--slate);font-size:14px}
.form-done .next li{margin-bottom:5px}
.form-done .next li::marker{color:var(--amber)}

/* ---------- FAQ ---------- */
.faq{margin-top:28px;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow)}
.faq details{border-bottom:1px solid var(--border)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:18px 22px;font-family:var(--font-display);font-weight:600;
  color:var(--ink);font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px;
  align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\F282";font-family:"bootstrap-icons";color:var(--orange);font-size:13px;
  transition:transform .2s var(--ease);flex:none}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq .a{padding:0 22px 20px;color:var(--slate);font-size:15px}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:40;padding:12px 16px;
  background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(10px);
  border-top:1px solid var(--border);display:none}
.sticky-cta .btn{width:100%}
.sticky-cta[hidden]{display:none!important}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);padding:28px 0;margin-top:16px}
.site-footer .shell{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--stone);font-size:13px}
.site-footer .shell > span:last-child{margin-left:auto}
.site-footer a{color:var(--slate)}
.site-footer a:hover{color:var(--orange)}

@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .hero-visual{height:360px;max-width:420px;margin:0 auto;width:100%}
  .agenda-row{grid-template-columns:70px 1fr;gap:12px}
  .agenda-row .tag{grid-column:2;justify-self:start;margin-top:8px}
}
@media (max-width:860px){
  /* Một cột: chữ phủ lên toàn ảnh, nên tăng lớp phủ và để ảnh lộ rõ ở vùng thẻ diễn giả */
  .hero-bg::before{background-position:91% 50%}
  .hero-bg::after{background:
    linear-gradient(180deg,var(--paper) 0%,color-mix(in srgb,var(--paper) 90%,transparent) 30%,
      color-mix(in srgb,var(--paper) 80%,transparent) 50%,color-mix(in srgb,var(--paper) 20%,transparent) 66%,
      color-mix(in srgb,var(--paper) 30%,transparent) 82%,var(--paper) 97%)}
}
@media (max-width:640px){
  .hero-bg::before{background-image:url("/workshop-atd/assets/hero-bg-960.webp?v=2")}
  .section{padding:48px 0}
  .hero{padding:44px 0 40px}
  .callout,.formwrap,.rc{padding:22px}
  .rc-bar{grid-template-columns:100px 1fr auto}
  .sticky-cta{display:block}
  body{padding-bottom:72px}

  .nav-toggle{display:inline-flex}
  .header-right{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:4px;width:auto;justify-content:flex-start;background:var(--paper);border-bottom:1px solid var(--border);
    padding:10px 20px 18px;box-shadow:var(--shadow-lift);max-height:0;opacity:0;overflow:hidden;
    pointer-events:none;transition:max-height .2s var(--ease),opacity .15s var(--ease)}
  .header-right.is-open{max-height:320px;opacity:1;pointer-events:auto}
  nav[data-site-nav]{flex-direction:column;gap:0;width:100%}
  nav[data-site-nav] a{padding:12px 2px;border-bottom:1px solid var(--border)}
  nav[data-site-nav] a:last-child{border-bottom:none}
  .btn-header{width:100%;margin-top:10px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}

/* ---- Đăng ký: heading + deadline badge (badge stays on the right at every width) ---- */
.reg-head{display:flex;align-items:flex-end;justify-content:space-between;gap:8px 20px}
.reg-head__title{flex:1 1 auto;min-width:0}
.deadline{flex:none;display:inline-flex;align-items:center;gap:12px;padding:10px 16px;margin-bottom:14px;
  background:var(--soft);border:1px solid var(--orange);border-left-width:4px;border-radius:var(--r-md);line-height:1.2}
.deadline .bi{font-size:22px;color:var(--orange)}
.deadline__label{display:block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
.deadline__date{display:block;margin-top:2px;font-family:var(--font-display);font-size:18px;font-weight:700;color:var(--coral)}
@media (max-width:640px){
  .reg-head{gap:8px 12px}
  .deadline{padding:8px 10px;gap:0;border-radius:var(--r-sm)}
  .deadline .bi{display:none}
  .deadline__label{font-size:10px;letter-spacing:.04em}
  .deadline__date{font-size:15px}
}

/* ---- Conversion UX (v3): hero reassurance, price anchor, speakers, chips, optional block, assurance ---- */
.hero-reassure{margin-top:14px;font-size:13.5px;color:var(--slate);display:flex;gap:8px;align-items:center}
.hero-reassure .bi{color:var(--ok)}
.fact-price .was{color:var(--stone);font-weight:500;font-size:13px;margin-right:4px}
.fact-price .v{color:var(--coral)}
.role-more{margin-top:6px}
.role-more summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--orange);list-style:none}
.role-more summary::-webkit-details-marker{display:none}
.role-more summary::after{content:" +"}
.role-more[open] summary::after{content:" −"}
.role-more .role{margin-top:6px}
.qlist{margin:14px 0 0;padding-left:22px;color:var(--ink);font-size:16px;line-height:1.55}
.qlist li{margin-bottom:8px}
.qlist li::marker{color:var(--orange);font-weight:700}

.field .label{font-size:14px;font-weight:600;color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:13.5px;line-height:1.3;padding:9px 13px;min-height:40px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface);color:var(--charcoal);cursor:pointer;text-align:left;
  transition:border-color .15s var(--ease),background .15s var(--ease)}
.chip:hover{border-color:var(--orange)}
.chip[aria-pressed=true]{border-color:var(--orange);background:var(--soft);color:var(--ink);font-weight:500}
.chip[aria-pressed=true]::before{content:"\F26E";font-family:"bootstrap-icons";margin-right:6px;color:var(--orange)}
.chip:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

.rc-attach{margin:0 0 16px;padding:12px 14px;border-radius:var(--r-sm);font-size:14px;line-height:1.5;
  background:var(--surface-2);border:1px dashed var(--border);color:var(--slate)}
.rc-attach > div{display:flex;gap:10px;align-items:flex-start}
.rc-attach .bi{font-size:16px;margin-top:1px;color:var(--orange)}
.rc-attach a{color:var(--orange);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.rc-attach.is-done{background:var(--ok-soft);border-style:solid;border-color:color-mix(in srgb,var(--ok) 35%,transparent)}
.rc-attach.is-done .bi{color:var(--ok)}
.rc-attach [hidden]{display:none}

.more-fields{margin:0 0 18px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--paper)}
.more-fields summary{cursor:pointer;padding:13px 16px;font-weight:600;font-size:14px;color:var(--ink);
  display:flex;gap:8px;align-items:center;list-style:none}
.more-fields summary::-webkit-details-marker{display:none}
.more-fields summary .bi{color:var(--orange);transition:transform .2s var(--ease)}
.more-fields[open] summary .bi{transform:rotate(45deg)}
.more-fields .opt-tag{font-size:11.5px;font-weight:500;color:var(--stone);text-transform:uppercase;letter-spacing:.06em}
.more-fields__body{padding:4px 16px 4px}
.more-fields [hidden]{display:none}

.assure{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--slate)}
.assure .bi{color:var(--ok);margin-right:5px}
.field .hint[data-hint-for]{color:var(--warn)}

.done-actions{justify-content:center;margin-top:20px}
.share{margin-top:20px;padding-top:18px;border-top:1px solid var(--border)}
.share p{font-size:14px;margin-bottom:12px}

.beta-ribbon{position:fixed;top:10px;left:50%;transform:translateX(-50%);z-index:60;padding:4px 12px;
  border-radius:999px;background:var(--ink);color:var(--paper);font:600 12px/1.4 var(--font-body);letter-spacing:.04em;
  pointer-events:none;opacity:.85}

.opt span,.rc-opt span{min-height:44px;display:flex;align-items:center}
@media (max-width:640px){
  /* iOS phóng to trang khi font input < 16px */
  .field input[type=text],.field input[type=email],.field input[type=tel],.field select,.field textarea{font-size:16px}
  .hero-reassure{font-size:12.5px;align-items:flex-start}
  .tools .tool p{display:none}
  .chip{font-size:13px}
}
.field .consent{font-weight:400}