:root{
    --bg:#ffffff;
    --surface-tint:#f6f7f9;
    --ink:#14161b;
    --ink-soft:#3d444f;
    --ink-muted:#6a7381;
    --accent:#f0524f;
    --accent-dark:#d83f3c;
    --accent-soft:#fdecea;
    --gold:#efa12b;
    --border:#e8ebf0;
    --border-strong:#d9dee6;
    --radius-sm:10px;
    --radius-md:16px;
    --radius-lg:24px;
    --max:1160px;
    --gutter:24px;
    --dur:180ms;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --shadow-card: 0 10px 30px rgba(20,22,27,.06);
    --shadow-pop: 0 18px 50px rgba(20,22,27,.12);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;width:100%;max-width:100%;overflow-x:hidden;overflow-x:clip;}
  body{
    margin:0;
    font-family:var(--font);
    color:var(--ink);
    background:var(--bg);
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
    width:100%;
    max-width:100%;
    overflow-x:hidden;
    overflow-x:clip;
    overflow-wrap:break-word;
    overscroll-behavior-x:none;
  }
  img{max-width:100%;height:auto;display:block;-webkit-user-drag:none;user-select:none;}
  svg{user-select:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p{margin:0;}
  :focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px;}

  .wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter);}
  .wrap-narrow{max-width:820px;}
  .wrap-mid{max-width:940px;}
  .section{padding-block:104px;}

  .eyebrow{
    display:inline-block;
    font-size:13px;
    font-weight:700;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--gold);
    margin-bottom:14px;
  }
  .eyebrow-accent{color:var(--accent);}

  h1{font-size:clamp(34px,4.6vw,56px);line-height:1.12;letter-spacing:-.02em;font-weight:700;}
  h2{font-size:clamp(27px,3.1vw,38px);line-height:1.2;letter-spacing:-.015em;font-weight:700;}
  h3{font-size:19px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
  .lead{font-size:18px;color:var(--ink-soft);}
  .muted{color:var(--ink-muted);}
  .center{text-align:center;}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    min-height:50px;padding:14px 26px;
    border-radius:var(--radius-sm);
    border:1px solid transparent;
    font-size:15.5px;font-weight:700;letter-spacing:.005em;line-height:1.25;
    max-width:100%;text-align:center;
    cursor:pointer;text-decoration:none;
    transition:background-color var(--dur) ease,border-color var(--dur) ease,color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(240,82,79,.28);}
  .btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-secondary{background:#fff;color:var(--ink);border-color:var(--border-strong);}
  .btn-secondary:hover{border-color:var(--ink);background:#fbfbfc;}
  .btn-sm{min-height:44px;padding:0 20px;font-size:14.5px;}
  .btn-block{width:100%;}

  /* ---------- Decorative squiggles ---------- */
  .deco{position:absolute;pointer-events:none;z-index:0;opacity:.85;}
  .deco img,.deco svg{display:block;}

  /* ---------- Navbar ---------- */
  .navbar{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.86);
    backdrop-filter:saturate(180%) blur(10px);
    border-bottom:1px solid transparent;
    transition:border-color var(--dur) ease,box-shadow var(--dur) ease;
  }
  .navbar.scrolled{border-bottom-color:var(--border);box-shadow:0 6px 24px rgba(20,22,27,.05);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:16px;}
  .brand{display:inline-flex;align-items:center;gap:10px;background:none;border:0;padding:6px;cursor:pointer;border-radius:10px;}
  .brand-mark{
    width:32px;height:32px;border-radius:9px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--accent),#ff8a5b);
    display:grid;place-items:center;color:#fff;
  }
  .brand-name{font-weight:700;font-size:17.5px;letter-spacing:-.01em;color:var(--ink);}
  .brand-name span{color:var(--accent);}
  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-link{
    background:none;border:0;cursor:pointer;
    padding:10px 15px;border-radius:9px;
    font-size:15px;font-weight:600;color:var(--ink-soft);
    transition:color var(--dur) ease,background-color var(--dur) ease;
  }
  .nav-link:hover{color:var(--ink);background:#f3f4f7;}
  .nav-cta{margin-left:8px;}
  .nav-right{display:flex;align-items:center;gap:14px;}

  /* ---------- Language switch ---------- */
  .lang-switch{position:relative;display:flex;align-items:center;flex:0 0 auto;}
  .lang-switch select{
    -webkit-appearance:none;appearance:none;
    min-height:40px;max-width:200px;
    padding:8px 34px 8px 14px;
    border:1px solid var(--border-strong);border-radius:999px;
    background-color:#fff;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236a7381' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
    background-repeat:no-repeat;background-position:right 12px center;
    color:var(--ink);font-size:14px;font-weight:600;line-height:1.2;cursor:pointer;
    text-overflow:ellipsis;
    transition:border-color var(--dur) ease,box-shadow var(--dur) ease,background-color var(--dur) ease;
  }
  .lang-switch select:hover{border-color:var(--ink);background-color:#fbfbfc;}
  .lang-switch select:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
  body{top:0 !important;}

  /* ---------- Hero ---------- */
  .hero{position:relative;padding-top:64px;overflow:hidden;}
  .hero-inner{position:relative;z-index:1;text-align:center;max-width:760px;margin-inline:auto;padding-bottom:56px;}
  .hero h1{max-width:16ch;margin-inline:auto;}
  .hero .lead{margin:22px auto 0;max-width:56ch;}
  .hero-media{position:relative;z-index:1;}
  .hero-media img{width:100%;height:min(78vh,720px);object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);}
  .hero-infographic{margin-top:56px;position:relative;z-index:1;}
  .hero-infographic img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);display:block;}

  /* ---------- Community stories ---------- */
  .stories-head{text-align:center;max-width:620px;margin:0 auto 46px;}
  .stories-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
  .post{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;}
  .post-media{aspect-ratio:5/4;overflow:hidden;background:#eef1f5;}
  .post-media img{width:100%;height:100%;object-fit:cover;object-position:center 18%;display:block;}
  .post-body{padding:26px 26px 28px;display:grid;gap:12px;}
  .post-hook{font-size:17.5px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.35;}
  .post-body p{font-size:15.5px;line-height:1.7;color:var(--ink-soft);margin:0;}
  .post-tags{margin-top:2px;color:var(--accent) !important;font-weight:600;font-size:14px;line-height:1.7;overflow-wrap:anywhere;}
  .case-head{font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.015em;text-align:center;margin-top:80px;}
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:40px;align-items:start;}
  .case{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;}
  .case-media{background:#f2f4f7;}
  .case-media img{width:100%;height:auto;display:block;}
  .case-title{padding:20px 22px 24px;font-size:16.5px;font-weight:700;line-height:1.42;letter-spacing:-.01em;color:var(--ink);}
  .after-case-banner{margin-top:80px;}
  .after-case-banner img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);display:block;}

  /* ---------- AI era story ---------- */
  .era-lead{font-size:clamp(20px,2.4vw,27px);font-weight:700;letter-spacing:-.015em;line-height:1.3;color:var(--ink);}
  .era-body{margin-top:24px;display:grid;gap:16px;max-width:72ch;}
  .era-body p{font-size:16.5px;line-height:1.8;color:var(--ink-soft);}
  .era-em{font-weight:700;color:var(--ink) !important;font-size:18px;}
  .era-media{margin-top:44px;display:grid;gap:34px;}
  .era-figure{margin:0;}
  .era-media img{width:100%;border-radius:var(--radius-md);box-shadow:var(--shadow-card);display:block;}
  .img-cap{margin-top:14px;font-size:14.5px;line-height:1.6;color:var(--ink-muted);text-align:center;}

  /* ---------- Track record ---------- */
  .section-head{max-width:660px;margin:0 auto 54px;text-align:center;}
  .track-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
  .track-card{background:var(--surface-tint);border:1px solid var(--border);border-radius:var(--radius-md);padding:32px 28px;text-align:left;}
  .track-num{font-size:clamp(28px,3.2vw,40px);font-weight:700;letter-spacing:-.02em;color:var(--accent);line-height:1;}
  .track-card h3{margin-top:16px;font-size:17px;}
  .track-card p{margin-top:10px;font-size:15px;line-height:1.7;color:var(--ink-muted);}
  .track-note{margin-top:44px;text-align:center;font-size:17px;font-weight:600;color:var(--ink-soft);}

  /* ---------- Curriculum ---------- */
  .day-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
  .day-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:34px 32px;box-shadow:var(--shadow-card);}
  .day-badge{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--accent);padding:6px 15px;border-radius:999px;}
  .day-list{margin:24px 0 0;padding:0;list-style:none;counter-reset:day;display:grid;gap:15px;}
  .day-list li{position:relative;padding-left:40px;font-size:15.5px;line-height:1.6;color:var(--ink-soft);counter-increment:day;}
  .day-list li::before{content:"#" counter(day);position:absolute;left:0;top:1px;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.02em;}
  .curriculum-cta{margin-top:50px;text-align:center;}
  .curriculum-note{margin-top:14px;font-size:14.5px;color:var(--ink-muted);}
  .hero-stats{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;margin-top:26px;}
  .hero-stats span{font-size:14px;font-weight:600;color:var(--ink-muted);display:inline-flex;align-items:center;gap:8px;}
  .hero-stats svg{color:var(--accent);flex:0 0 auto;}

  /* ---------- Marquee ---------- */
  .marquee-section{background:var(--surface-tint);padding-block:44px;border-block:1px solid var(--border);}
  .marquee-cap{text-align:center;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:26px;}
  .marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);}
  .marquee-track{display:flex;align-items:center;gap:56px;width:max-content;animation:scroll-x 34s linear infinite;}
  .marquee-track .word{font-size:22px;font-weight:700;letter-spacing:-.01em;color:#9aa2ae;white-space:nowrap;}
  @keyframes scroll-x{from{transform:translateX(0);}to{transform:translateX(-50%);}}

  /* ---------- Features ---------- */
  .features-head{max-width:640px;margin-bottom:56px;}
  .feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px 40px;}
  .feature{padding-top:4px;}
  .feature-icon{
    width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:20px;
    background:var(--accent-soft);color:var(--accent);
  }
  .feature p{margin-top:9px;font-size:15px;color:var(--ink-muted);}

  /* ---------- About ---------- */
  .about{position:relative;}
  .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;}
  .about-grid p + p{margin-top:18px;}
  .about-media img{width:100%;border-radius:var(--radius-md);box-shadow:var(--shadow-card);object-fit:cover;}
  .about-media.tall img{height:460px;}
  .about-media-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  .about-media-pair img{height:400px;object-fit:cover;border-radius:var(--radius-md);box-shadow:var(--shadow-card);}
  .about-list{margin-top:26px;display:grid;gap:14px;}
  .about-list li{list-style:none;display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink-soft);}
  .about-list svg{color:var(--accent);flex:0 0 auto;margin-top:3px;}

  /* ---------- FAQ ---------- */
  .faq-section{background:var(--surface-tint);}
  .faq-list{margin-top:44px;border-top:1px solid var(--border-strong);}
  .faq-item{border-bottom:1px solid var(--border-strong);}
  .faq-q{
    width:100%;background:none;border:0;cursor:pointer;text-align:left;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:24px 4px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;
    transition:color var(--dur) ease;
  }
  .faq-q:hover{color:var(--accent);}
  .faq-q .chev{flex:0 0 auto;color:var(--ink-muted);transition:transform var(--dur) ease,color var(--dur) ease;}
  .faq-item.open .faq-q{color:var(--accent);}
  .faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--accent);}
  .faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--dur) ease;}
  .faq-item.open .faq-a{grid-template-rows:1fr;}
  .faq-a > div{overflow:hidden;}
  .faq-a p{padding:0 4px 26px;max-width:70ch;color:var(--ink-muted);font-size:15.5px;}
  .faq-foot{text-align:center;margin-top:64px;}
  .faq-foot h3{font-size:22px;}
  .faq-foot p{margin-top:10px;color:var(--ink-muted);}
  .faq-foot .btn{margin-top:22px;}

  /* ---------- Testimonials ---------- */
  .testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px;}
  .review{
    background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
    padding:32px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:18px;
  }
  .avatar{
    width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
    font-weight:700;font-size:20px;color:#fff;letter-spacing:.02em;flex:0 0 auto;
  }
  .avatar.a1{background:linear-gradient(135deg,#f0524f,#ff9a6b);}
  .avatar.a2{background:linear-gradient(135deg,#7a5cf0,#b39bff);}
  .avatar.a3{background:linear-gradient(135deg,#2f9e7a,#68cfae);}
  .avatar.a4{background:linear-gradient(135deg,#efa12b,#ffd07a);}
  .review-name{font-size:18px;font-weight:700;}
  .review-role{font-size:13.5px;color:var(--ink-muted);margin-top:2px;}
  .review-text{font-size:15px;color:var(--ink-soft);}
  .stars{display:flex;gap:5px;color:var(--accent);}
  .stars .empty{color:#d8dce3;}
  .review-note{margin-top:28px;text-align:center;font-size:13px;color:var(--ink-muted);}

  /* ---------- CTA ---------- */
  .cta{position:relative;overflow:hidden;}
  .cta-inner{max-width:680px;margin-inline:auto;text-align:center;position:relative;z-index:1;}
  .cta .lead{margin-top:18px;}
  .newsletter{margin-top:34px;}
  .newsletter-row{display:flex;gap:12px;background:#fff;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:8px;box-shadow:var(--shadow-card);}
  .newsletter-row input{
    flex:1 1 auto;min-width:0;border:0;background:transparent;padding:0 16px;font-size:16px;color:var(--ink);
    min-height:46px;border-radius:8px;
  }
  .newsletter-row input::placeholder{color:#9aa2ae;}
  .newsletter-row input:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
  .form-msg{margin-top:14px;font-size:14.5px;font-weight:600;display:none;align-items:center;justify-content:center;gap:8px;}
  .form-msg.show{display:flex;}
  .form-msg.ok{color:#1f8a5f;}
  .form-msg.err{color:var(--accent-dark);}

  /* ---------- Footer ---------- */
  .footer{background:var(--ink);color:#c7cdd6;padding-block:78px 40px;}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:24px;}
  .footer .brand-name{color:#fff;}
  .footer-desc{margin-top:18px;font-size:15px;color:#9aa2ae;max-width:44ch;}
  .footer-bottom{margin-top:56px;padding-top:28px;border-top:1px solid #2b2f38;font-size:14px;color:#8b93a0;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;}
  .footer-legal{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;}
  .footer-legal-btn{background:none;border:0;padding:0;cursor:pointer;color:#8b93a0;font-size:14px;text-decoration:underline;text-underline-offset:3px;transition:color var(--dur) ease;}
  .footer-legal-btn:hover{color:#fff;}

  /* ---------- Modals ---------- */
  .modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:24px;}
  .modal[hidden]{display:none;}
  .modal-backdrop{position:absolute;inset:0;background:rgba(12,14,20,.62);}
  .modal-panel{position:relative;z-index:1;background:#fff;color:var(--ink);border-radius:var(--radius-md);width:100%;max-width:560px;max-height:82vh;overflow:auto;padding:38px 36px;box-shadow:var(--shadow-pop);}
  .modal-title{font-size:22px;font-weight:700;letter-spacing:-.01em;padding-right:44px;}
  .modal-body{margin-top:18px;display:grid;gap:14px;font-size:15.5px;line-height:1.75;color:var(--ink-soft);}
  .modal-body strong{color:var(--ink);}
  /* interpolated site name / email sit next to sentence fragments: keep a gap in
     spaced languages, none in CJK where the surrounding punctuation is already tight */
  .modal-body span[data-site-name],.modal-body strong[data-site-email]{margin-inline:.3em;}
  html:lang(zh-CN) .modal-body span[data-site-name],html:lang(zh-TW) .modal-body span[data-site-name],html:lang(ja) .modal-body span[data-site-name],html:lang(ko) .modal-body span[data-site-name],html:lang(zh-CN) .modal-body strong[data-site-email],html:lang(zh-TW) .modal-body strong[data-site-email],html:lang(ja) .modal-body strong[data-site-email],html:lang(ko) .modal-body strong[data-site-email]{margin-inline:0;}
  .modal-actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;}
  .modal-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--ink-muted);transition:color var(--dur) ease,border-color var(--dur) ease;}
  .modal-close:hover{color:var(--ink);border-color:var(--ink);}
  body.modal-open{overflow:hidden;}

  /* ---------- Toasts (JS-visible results) ---------- */
  .toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:13px 22px;border-radius:12px;font-size:14.5px;font-weight:600;box-shadow:var(--shadow-pop);opacity:0;pointer-events:none;transition:opacity var(--dur) ease,transform var(--dur) ease;z-index:100;}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

  /* ---------- Promo / countdown ---------- */
  .promo{padding-block:56px 12px;position:relative;z-index:1;}
  .promo-inner{max-width:820px;margin-inline:auto;}
  .countdown-card{
    background:transparent;border:0;padding:0;text-align:center;
  }
  .countdown-card.countdown-inline{margin-top:88px;}
  .countdown-inline + .event-card{margin-top:34px;}
  .countdown-label{font-size:clamp(17px,1.9vw,21px);font-weight:700;letter-spacing:-.01em;color:var(--ink);margin-bottom:20px;}
  .countdown{
    display:inline-flex;justify-content:center;gap:10px;
    padding:14px;border-radius:20px;
    background:linear-gradient(180deg,#5a6880 0%,#3b465a 42%,#2a3343 100%);
    border:1px solid rgba(255,255,255,.16);
    box-shadow:
      inset 0 1px 1px rgba(255,255,255,.35),
      inset 0 -12px 22px rgba(6,10,18,.4),
      0 20px 44px rgba(20,22,27,.3);
  }
  .cd-unit{
    position:relative;flex:0 0 auto;min-width:100px;
    padding:34px 14px 16px;border-radius:12px;overflow:hidden;
    background:linear-gradient(180deg,#ffffff 0%,#f3f5f8 49%,#e4e9ef 51%,#f7f9fb 100%);
    border:1px solid #cfd6e0;
    box-shadow:
      inset 0 1px 0 #ffffff,
      inset 0 -2px 5px rgba(20,22,27,.07),
      0 8px 16px rgba(11,15,22,.28);
    display:flex;flex-direction:column;align-items:center;
  }
  .cd-unit::after{
    content:"";position:absolute;left:0;right:0;top:50%;height:2px;pointer-events:none;
    background:linear-gradient(180deg,rgba(20,22,27,.14),rgba(20,22,27,.02) 60%,rgba(255,255,255,.5));
  }
  .cd-lbl{
    position:absolute;top:9px;left:0;right:0;
    font-size:11.5px;font-weight:700;color:#5b6677;letter-spacing:.02em;
  }
  .cd-num{
    font-size:clamp(34px,4.8vw,48px);font-weight:800;line-height:1;
    color:#333c49;font-variant-numeric:tabular-nums;letter-spacing:.01em;
    text-shadow:0 1px 0 rgba(255,255,255,.7);
  }
  .promo-copy{text-align:center;margin-top:52px;}
  .promo-inner > .promo-copy:first-child{margin-top:0;}
  .promo-inner > .countdown-card:first-child{margin-top:0;}
  .promo-h{font-size:clamp(22px,2.8vw,32px);font-weight:700;letter-spacing:-.015em;line-height:1.3;}
  .promo-highlight{font-size:clamp(22px,2.8vw,32px);font-weight:700;letter-spacing:-.015em;line-height:1.3;color:var(--accent);margin-top:10px;}
  .promo-sub{font-size:clamp(18px,2.2vw,24px);font-weight:700;letter-spacing:-.01em;margin-top:14px;display:inline-flex;align-items:center;gap:8px;justify-content:center;}
  .promo-lines{margin-top:24px;color:var(--ink-muted);font-size:16px;line-height:1.9;}
  .promo-lines svg,.promo-sub svg{color:var(--accent);flex:0 0 auto;}
  .promo-lines svg{vertical-align:-4px;}
  .promo-advantage{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;margin-top:72px;text-align:left;}
  .promo-adv-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.015em;line-height:1.3;color:var(--accent);display:inline-flex;align-items:center;gap:8px;margin:0 0 16px;}
  .promo-adv-text p{margin-top:14px;font-size:16.5px;line-height:1.75;color:var(--ink-soft);}
  .promo-adv-text p:first-of-type{margin-top:0;}
  .promo-adv-em{font-weight:700;color:var(--ink) !important;}
  .promo-adv-media img{width:100%;height:480px;object-fit:cover;object-position:center 20%;border-radius:var(--radius-md);box-shadow:var(--shadow-pop);}
  .promo-reviews{margin-top:84px;text-align:center;}
  .promo-reviews-cap{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-muted);}
  .promo-reviews-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.015em;margin-top:12px;}
  .review-quotes{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px;text-align:left;}
  .quote{margin:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:22px;}
  .quote blockquote{margin:0;font-size:16.5px;line-height:1.7;color:var(--ink-soft);}
  .quote figcaption{display:flex;align-items:center;gap:14px;margin-top:auto;}
  .quote .avatar-img{width:48px;height:48px;border-radius:50%;object-fit:cover;object-position:center 18%;flex:0 0 auto;display:block;}
  .quote .who{display:flex;flex-direction:column;line-height:1.35;}
  .quote .who b{font-size:15.5px;color:var(--ink);}
  .quote .who span{font-size:13.5px;color:var(--ink-muted);}
  .event-card{background:var(--surface-tint);border:1px solid var(--border);border-radius:var(--radius-lg);padding:46px 38px;margin-top:88px;text-align:left;}
  .event-eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);}
  .event-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.015em;margin-top:10px;}
  .event-facts{list-style:none;margin:30px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:22px 30px;}
  .event-facts li{display:flex;gap:14px;align-items:flex-start;}
  .ef-icon{width:42px;height:42px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;background:#fff;border:1px solid var(--border);color:var(--accent);}
  .ef-body{display:flex;flex-direction:column;gap:3px;min-width:0;}
  .ef-body b{font-size:12.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-muted);}
  .ef-body span{font-size:16px;color:var(--ink-soft);line-height:1.5;}
  .event-urgent{margin-top:30px;font-weight:700;color:var(--accent);font-size:16.5px;line-height:1.5;display:flex;gap:9px;align-items:flex-start;}
  .event-urgent svg{flex:0 0 auto;margin-top:3px;}
  .event-cta{margin-top:26px;}
  .global-block{margin-top:88px;text-align:left;}
  .global-title{font-size:clamp(24px,2.9vw,34px);font-weight:700;letter-spacing:-.015em;line-height:1.25;}
  .global-lead{margin-top:16px;font-size:17.5px;line-height:1.7;color:var(--ink-soft);}
  .global-media{margin-top:28px;}
  .global-media img{width:100%;border-radius:var(--radius-md);box-shadow:var(--shadow-card);display:block;}
  .global-body{margin-top:30px;max-width:68ch;display:grid;gap:18px;}
  .global-body p{font-size:16.5px;line-height:1.8;color:var(--ink-soft);}
  .global-em{font-weight:700;color:var(--ink) !important;}
  .ai-banner{position:relative;margin-top:88px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-pop);}
  .ai-banner img{width:100%;height:520px;object-fit:cover;display:block;}
  .ai-banner-scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,14,20,.84) 0%,rgba(12,14,20,.58) 46%,rgba(12,14,20,.12) 100%);}
  .ai-banner-caption{position:absolute;left:0;bottom:0;padding:46px 42px;max-width:72%;color:#fff;}
  .ai-banner-title{font-size:clamp(26px,3.4vw,40px);font-weight:700;letter-spacing:-.02em;line-height:1.15;}
  .ai-banner-sub{margin-top:14px;font-size:clamp(17px,2.1vw,22px);font-weight:600;line-height:1.42;color:#eef1f6;}

  /* ---------- Responsive ---------- */
  @media (max-width:991px){
    .section{padding-block:76px;}
    .nav-links{display:none;}
    .feature-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
    .about-grid{grid-template-columns:1fr;gap:40px;}
    .about-grid.reverse .about-media{order:-1;}
    .testimonial-grid{grid-template-columns:1fr;gap:20px;}
    .footer-grid{grid-template-columns:1fr;gap:24px;}
    .hero-media img{height:auto;max-height:60vh;}
    .promo-advantage{grid-template-columns:1fr;gap:38px;margin-top:56px;}
    .promo-adv-media img{height:400px;}
    .review-quotes{grid-template-columns:1fr;}
    .event-facts{grid-template-columns:1fr;}
    .track-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:640px){
    :root{--gutter:18px;}
    .section{padding-block:60px;}
    h1{font-size:32px;}
    .hero{padding-top:40px;}
    .promo{padding-block:40px 8px;}
    .countdown{display:flex;gap:5px;padding:8px;border-radius:15px;}
    .cd-unit{min-width:0;flex:1 1 0;padding:24px 4px 10px;border-radius:9px;}
    .cd-lbl{font-size:10px;top:6px;}
    .cd-num{font-size:clamp(22px,7.5vw,32px);}
    .promo-advantage{grid-template-columns:1fr;gap:34px;margin-top:48px;}
    .promo-adv-media img{height:280px;}
    .promo-reviews{margin-top:56px;}
    .quote{padding:24px;}
    .event-card{padding:30px 22px;margin-top:60px;}
    .countdown-card.countdown-inline{margin-top:56px;}
    .countdown-inline + .event-card{margin-top:28px;}
    .event-cta{width:100%;}
    .curriculum-cta .btn{width:100%;}
    .global-block{margin-top:60px;}
    .ai-banner{margin-top:60px;}
    .ai-banner img{height:420px;}
    .ai-banner-scrim{background:linear-gradient(180deg,rgba(12,14,20,.4) 0%,rgba(12,14,20,.88) 100%);}
    .ai-banner-caption{padding:28px 22px;max-width:100%;}
    .feature-grid{grid-template-columns:1fr;gap:26px;}
    .about-media-pair{grid-template-columns:1fr;gap:16px;}
    .about-media-pair img{height:230px;}
    .about-media.tall img{height:300px;}
    .hero-media img{max-height:420px;}
    .hero-infographic{margin-top:30px;}
    .stories-grid{grid-template-columns:1fr;}
    .case-grid{grid-template-columns:1fr;}
    .after-case-banner{margin-top:56px;}
    .track-grid{grid-template-columns:1fr;}
    .day-grid{grid-template-columns:1fr;}
    .newsletter-row{flex-direction:column;padding:12px;gap:10px;}
    .newsletter-row input{padding:12px;}
    .footer-grid{grid-template-columns:1fr;gap:34px;text-align:left;}
    .marquee-track .word{font-size:19px;}
    .marquee-track{gap:40px;}
    .review{padding:26px;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .marquee-track{animation:none;}
    *{transition-duration:.001ms !important;}
  }