:root{
  --bg:#FAF7F2;--bg-card:#FFF;--ink:#1A1815;--ink-soft:#3F3A35;--muted:#7A726A;
  --line:#E7DFD3;--accent:#D97757;--accent-deep:#B85042;--accent-soft:#FBE7DC;
  --indigo:#1E2761;--teal:#028090;--moss:#6F8F4F;--gold:#D4A017;--berry:#6D2E46;
  --nav-h:35px;--prog-h:3px;--bot-h:50px;
  --sh:0 1px 2px rgba(26,24,21,.04),0 6px 18px rgba(26,24,21,.07);
  --sh-lg:0 4px 12px rgba(26,24,21,.06),0 20px 40px rgba(26,24,21,.10);
  --content-h:calc(100vh - var(--nav-h) - var(--prog-h) - var(--bot-h));
}

.c-terra{color: #c4614a;}

/* ── TV MODE SCALE ── */
:root{--tv-scale:1}
html.tv-mode{--tv-scale:1.2;--content-h:calc(100vh - calc(50px * var(--tv-scale)) - var(--prog-h) - calc(50px * var(--tv-scale)))}

*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:'IBM Plex Sans Thai','Sora',sans-serif;background:var(--bg);color:var(--ink);line-height:calc(1.6 * var(--tv-scale))}
.container{max-width:1500px;margin:0 auto;padding:0 calc(36px * var(--tv-scale))}
code{background:#F4ECE0;padding:1px 6px;border-radius:4px;font-size:calc(11px * var(--tv-scale));font-family:Consolas,monospace}

/* ── TOP NAV ── */
.nav{position:sticky;top:0;z-index:200;height:calc(var(--nav-h) * var(--tv-scale));background:rgba(250,247,242,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 calc(28px * var(--tv-scale))}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:calc(13.5px * var(--tv-scale))}
.brand-mark{width:calc(25px * var(--tv-scale));height:calc(25px * var(--tv-scale));border-radius:7px;background:linear-gradient(135deg,var(--accent),var(--accent-deep));display:grid;place-items:center;color:#fff;font-family:'Sora',sans-serif;font-weight:800;font-size:calc(12px * var(--tv-scale))}
.nav-info{font-family:'Sora',sans-serif;font-size:calc(11.5px * var(--tv-scale));color:var(--muted);font-weight:500}
#tv-toggle{background:var(--accent-soft);color:var(--accent-deep);border:none;padding:calc(4px * var(--tv-scale)) calc(10px * var(--tv-scale));border-radius:6px;font-family:'Sora',sans-serif;font-size:calc(10px * var(--tv-scale));font-weight:700;cursor:pointer;transition:.2s}
#tv-toggle:hover{background:var(--accent);color:#fff}
html.tv-mode #tv-toggle{background:var(--accent);color:#fff}

/* ── PROGRESS BAR ── */
.progress-wrap{position:sticky;top:var(--nav-h);z-index:199;height:var(--prog-h);background:var(--line)}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--berry));transition:width .4s ease;width:5%}

/* ── SLIDES ── */
.slide{display:none;padding-bottom:calc(var(--bot-h) + 4px);overflow-y:auto}
.slide.active{display:block}
.slide.fullscreen{padding-bottom:0;min-height:var(--content-h)}

/* ── BOTTOM NAV ── */
.slide-nav-bar{
  position:fixed;bottom:0;left:0;right:0;height:calc(var(--bot-h) * var(--tv-scale));z-index:200;
  background:rgba(250,247,242,.96);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 calc(24px * var(--tv-scale));
}
.slide-btn{background:var(--accent);color:#fff;border:none;padding:calc(6px * var(--tv-scale)) calc(16px * var(--tv-scale));border-radius:8px;font-family:'Sora',sans-serif;font-weight:700;cursor:pointer;font-size:calc(12px * var(--tv-scale));transition:.18s}
.slide-btn:hover{background:var(--accent-deep)}
.slide-btn:disabled{background:var(--line);color:var(--muted);cursor:not-allowed}
.slide-dots{display:flex;gap:4px;align-items:center;flex-wrap:wrap;max-width:500px;justify-content:center}
.slide-dot{width:calc(6px * var(--tv-scale));height:calc(6px * var(--tv-scale));border-radius:50%;background:var(--line);cursor:pointer;transition:.3s;border:none;padding:0}
.slide-dot.active{background:var(--accent);width:calc(18px * var(--tv-scale));border-radius:3px}
.slide-dot:hover:not(.active){background:#C9BFB1}

/* ── QR FLOAT ── */
.qr-float-container{position:absolute;bottom:70px;right:50px;z-index:10;pointer-events:none;}
.qr-float{width:280px;height:auto}
.slide-counter{font-family:'Sora',sans-serif;font-weight:700;font-size:calc(11.5px * var(--tv-scale));color:var(--muted);min-width:44px;text-align:center}

/* ── TYPOGRAPHY ── */
.kicker{font-family:'Sora',sans-serif;font-weight:600;font-size:calc(10px * var(--tv-scale));letter-spacing:.2em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:7px}
.section-head{margin-bottom:22px;max-width:780px}
.section-head h2{font-family:'Sora',sans-serif;font-size:clamp(calc(22px * var(--tv-scale)),2.5vw,calc(32px * var(--tv-scale)));font-weight:700;line-height:1.15;margin-bottom:6px}
.section-head p{color:var(--ink-soft);font-size:calc(13.5px * var(--tv-scale))}
.eyebrow{display:inline-flex;font-family:'Sora',sans-serif;font-weight:600;font-size:calc(10px * var(--tv-scale));letter-spacing:.15em;text-transform:uppercase;color:var(--accent-deep);background:var(--accent-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px}

/* ── GRIDS ── */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:calc(16px * var(--tv-scale))}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:calc(16px * var(--tv-scale))}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:calc(14px * var(--tv-scale))}
@media(max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr 1fr}}

/* ── FEATURE CARDS ── */
.fcard{background:var(--bg-card);border:1px solid var(--line);border-radius:calc(14px * var(--tv-scale));padding:calc(18px * var(--tv-scale));transition:.2s}
.fcard:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.fcard .icon{width:calc(38px * var(--tv-scale));height:calc(38px * var(--tv-scale));border-radius:10px;display:grid;place-items:center;font-size:calc(17px * var(--tv-scale));background:var(--accent-soft);margin-bottom:10px}
.fcard h3{font-family:'Sora',sans-serif;font-size:calc(13.5px * var(--tv-scale));margin-bottom:4px;font-weight:700}
.fcard p{color:var(--ink-soft);font-size:calc(12px * var(--tv-scale))}

/* ── MODEL CARDS ── */
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:calc(14px * var(--tv-scale));margin-top:12px}
.model{border:1px solid var(--line);border-radius:calc(14px * var(--tv-scale));padding:calc(18px * var(--tv-scale));background:var(--bg-card);position:relative;overflow:hidden}
.model::before{content:"";position:absolute;top:0;left:0;right:0;height:4px}
.model.opus::before{background:var(--berry)}
.model.sonnet::before{background:var(--accent)}
.model.haiku::before{background:var(--teal)}
.model-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:5px;gap:6px;flex-wrap:wrap}
.model .name{font-family:'Sora',sans-serif;font-weight:800;font-size:calc(16px * var(--tv-scale))}
.model .level{font-family:'Sora',sans-serif;font-weight:600;font-size:calc(8.5px * var(--tv-scale));letter-spacing:.1em;text-transform:uppercase;padding:2px 7px;border-radius:5px;white-space:nowrap}
.model.opus .level{background:#F2E2E8;color:var(--berry)}
.model.sonnet .level{background:var(--accent-soft);color:var(--accent-deep)}
.model.haiku .level{background:#DDF0F2;color:var(--teal)}
.model-badge{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:8px}
.model-badge span{font-family:'Sora',sans-serif;font-size:calc(9.5px * var(--tv-scale));font-weight:700;padding:2px 8px;border-radius:5px;border:1px solid var(--line)}
.model.haiku .model-badge span.spd{background:#DDF0F2;color:var(--teal);border-color:var(--teal)}
.model.sonnet .model-badge span.smart{background:var(--accent-soft);color:var(--accent-deep);border-color:var(--accent)}
.model.sonnet .model-badge span.spd{background:#FFF8E6;color:#7A5A00;border-color:var(--gold)}
.model.opus .model-badge span.smart{background:#F2E2E8;color:var(--berry);border-color:var(--berry)}
.model.opus .model-badge span.slow{background:#F4ECE0;color:var(--muted);border-color:var(--line)}
.model.opus .model-badge span.limit{background:#FFF1ED;color:var(--accent-deep);border-color:var(--accent)}
.model .features{list-style:none;margin-top:5px}
.model .features li{font-size:calc(12px * var(--tv-scale));color:var(--ink-soft);padding:3px 0 3px 16px;position:relative;line-height:1.45}
.model .features li::before{content:"\2713";position:absolute;left:0;top:3px;font-weight:700;color:var(--accent-deep);font-size:calc(10px * var(--tv-scale))}

/* ── USE CASE CARDS ── */
.uc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:calc(16px * var(--tv-scale))}
.uc-card{background:var(--bg-card);border:1px solid var(--line);border-radius:calc(14px * var(--tv-scale));padding:calc(18px * var(--tv-scale));border-left:4px solid var(--accent);transition:.2s}
.uc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.uc-card.c1{border-left-color:var(--indigo)}.uc-card.c2{border-left-color:var(--teal)}.uc-card.c3{border-left-color:var(--accent)}.uc-card.c4{border-left-color:var(--moss)}.uc-card.c5{border-left-color:var(--berry)}.uc-card.c6{border-left-color:var(--gold)}
.uc-icon{font-size:calc(24px * var(--tv-scale));margin-bottom:8px}
.uc-type{font-family:'Sora',sans-serif;font-size:calc(14px * var(--tv-scale));font-weight:700;margin-bottom:8px;line-height:1.35}
.uc-label{font-size:calc(10.5px * var(--tv-scale));color:var(--muted);margin-bottom:6px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.uc-depts{display:flex;flex-wrap:wrap;gap:4px}
.uc-dept{font-family:'Sora',sans-serif;font-size:calc(10px * var(--tv-scale));padding:3px 7px;border-radius:5px;background:var(--accent-soft);color:var(--accent-deep);font-weight:600}
.uc-dept.teal{background:#DDF0F2;color:var(--teal)}.uc-dept.indigo{background:#E0E5F2;color:var(--indigo)}.uc-dept.moss{background:#E5EFD5;color:var(--moss)}.uc-dept.berry{background:#F2E2E8;color:var(--berry)}.uc-dept.gold{background:#F5EDD0;color:#7A5A00}

/* ── USE CASE EXAMPLES ── */
.uce-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:calc(10px * var(--tv-scale))}
.uce-card{background:var(--bg-card);border:1px solid var(--line);border-radius:calc(10px * var(--tv-scale));padding:calc(11px * var(--tv-scale)) calc(14px * var(--tv-scale));display:flex;align-items:flex-start;gap:12px;transition:.18s}
.uce-card:hover{box-shadow:var(--sh);transform:translateY(-1px)}
.uce-num{font-family:'Sora',sans-serif;font-weight:800;font-size:calc(17px * var(--tv-scale));background:linear-gradient(135deg,var(--accent),var(--berry));-webkit-background-clip:text;background-clip:text;color:transparent;min-width:28px;line-height:1.2}
.uce-title{font-family:'Sora',sans-serif;font-size:calc(13px * var(--tv-scale));font-weight:700;margin-bottom:2px}
.uce-dept{font-size:calc(11px * var(--tv-scale));color:var(--muted)}

/* ── SKILL CARDS ── */
.dept-card{background:var(--bg-card);border:1px solid var(--line);border-radius:14px;padding:calc(13px * var(--tv-scale)) calc(18px * var(--tv-scale))}
.dept-card h4{font-family:'Sora',sans-serif;font-size:calc(13px * var(--tv-scale));font-weight:700;margin-bottom:9px;display:flex;align-items:center;gap:9px}
.dept-card h4 .em{width:calc(30px * var(--tv-scale));height:calc(30px * var(--tv-scale));border-radius:8px;background:var(--accent-soft);display:grid;place-items:center;font-size:calc(15px * var(--tv-scale));flex-shrink:0}
.skill-list{display:grid;gap:5px}
.skill-item{background:#FBF7EF;border-radius:6px;padding:6px 9px;border:1px solid var(--line)}
.skill-name{font-family:'Sora',sans-serif;font-weight:700;font-size:calc(10.5px * var(--tv-scale));color:var(--accent-deep);margin-bottom:1px}
.skill-desc{font-size:calc(11px * var(--tv-scale));color:var(--ink-soft);line-height:1.4}

/* ── CONNECTORS (compact 1080p) ── */
.conn-img{width:100%;max-height:26vh;object-fit:contain;border-radius:14px;border:1px solid var(--line);box-shadow:var(--sh);display:block;margin:0 auto}
.conn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:calc(10px * var(--tv-scale));margin-top:14px}
.conn-card{background:var(--bg-card);border:1px solid var(--line);border-radius:12px;padding:calc(12px * var(--tv-scale)) 10px;text-align:center;transition:.2s}
.conn-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg)}
.conn-icon{font-size:calc(22px * var(--tv-scale));margin-bottom:5px}
.conn-name{font-family:'Sora',sans-serif;font-size:calc(12.5px * var(--tv-scale));font-weight:700;margin-bottom:2px}
.conn-desc{font-size:calc(10.5px * var(--tv-scale));color:var(--muted)}

/* ── HOW TO USE ── */
.howto-img{width:100%;max-height:68vh;object-fit:contain;border-radius:14px;border:1px solid var(--line);box-shadow:var(--sh-lg)}

/* ── PROJECT SINGLE SLIDE ── */
.proj-single{padding:20 0 8px}
.proj-single-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.proj-single-emoji{font-size:calc(30px * var(--tv-scale));line-height:1}
.proj-single-title{font-family:'Sora',sans-serif;font-size:clamp(calc(24px * var(--tv-scale)),2.8vw,calc(28px * var(--tv-scale)));font-weight:800;}
.proj-tags{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.proj-tag{font-family:'Sora',sans-serif;font-size:calc(10px * var(--tv-scale));font-weight:700;padding:3px 8px;border-radius:5px;background:var(--indigo);color:#fff;text-transform:uppercase;letter-spacing:.04em}
.proj-tag.alt{background:var(--teal)}.proj-tag.warm{background:var(--accent-deep)}.proj-tag.gold{background:var(--gold);color:var(--ink)}
.proj-time{font-family:'Sora',sans-serif;font-size:calc(10px * var(--tv-scale));font-weight:600;padding:3px 8px;border-radius:5px;background:var(--accent-soft);color:var(--accent-deep)}
.proj-ba{display:grid;grid-template-columns:1fr 56px 1fr;gap:0;align-items:stretch}
.proj-ba-col{display:flex;flex-direction:column;gap:10px;height:fit-content;min-height:450px;}
.proj-ba-label{font-family:'Sora',sans-serif;font-size:calc(11px * var(--tv-scale));font-weight:800;padding:5px 12px;border-radius:6px;display:inline-flex;align-items:center;gap:6px;align-self:flex-start;letter-spacing:.04em}
.proj-ba-label.before{background:#FDEAE5;color:#9A3322;border:1px solid #E0B6A4}
.proj-ba-label.after{background:#E5F0DC;color:#3A5C28;border:1px solid #A6C28E}
.proj-ba-img{width:100%;flex:1;min-height:200px;max-height:calc(var(--content-h) - 180px);object-fit:contain;border-radius:12px;border:2px solid var(--line);cursor:zoom-in;transition:.2s;background:#f8f4ee}
.proj-ba-img.before-img{border-color:#E0B6A4}
.proj-ba-img.after-img{border-color:#A6C28E}
.proj-ba-img:hover{opacity:.93}
.proj-ba-desc{font-size:calc(12.5px * var(--tv-scale));color:var(--ink-soft);text-align:center;padding:6px 0}
.proj-ba-arrow{display:flex;align-items:center;justify-content:center;font-size:calc(28px * var(--tv-scale));color:var(--accent);font-weight:700}
.proj-ba-link{display:inline-flex;align-items:center;gap:5px;font-family:'Sora',sans-serif;font-size:calc(11px * var(--tv-scale));font-weight:700;color:var(--moss);text-decoration:none;padding:4px 10px;border-radius:6px;border:1px solid var(--moss);background:#E9F1E5;transition:.15s;align-self:flex-start}
.proj-ba-link:hover{background:var(--moss);color:#fff}

/* ── WORKSHOP ── */
.wk-banner{background:linear-gradient(135deg,#1E2761,#2A3A8C);color:#F4ECE0;border-radius:16px;padding:20px 26px;margin-bottom:18px;display:grid;grid-template-columns:1.5fr 1fr;gap:18px}
.wk-banner h3{font-family:'Sora',sans-serif;font-size:calc(17px * var(--tv-scale));font-weight:800;margin-bottom:4px;color:#fff}
.wk-banner p{color:#C9BFB1;font-size:calc(12.5px * var(--tv-scale));margin-bottom:9px}
.wk-btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;padding:7px 13px;border-radius:8px;font-family:'Sora',sans-serif;font-weight:700;font-size:calc(12px * var(--tv-scale));text-decoration:none}
.wk-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.wstat{background:rgba(255,255,255,.08);border-radius:9px;padding:10px;text-align:center}
.wstat .v{font-family:'Sora',sans-serif;font-size:calc(22px * var(--tv-scale));font-weight:800;color:var(--accent)}
.wstat .l{font-size:calc(9.5px * var(--tv-scale));color:#C9BFB1;text-transform:uppercase}

/* ── ACCORDIONS ── */
.dept-accordion{display:grid;gap:8px}
.dept-acc{background:var(--bg-card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.dept-acc[open]{box-shadow:var(--sh);border-color:#D8CDBC}
.dept-acc summary{cursor:pointer;padding:11px 16px;display:grid;grid-template-columns:36px 1fr auto;gap:10px;align-items:center;list-style:none}
.dept-acc summary::-webkit-details-marker{display:none}
.dept-acc summary:hover{background:#FBF7EF}
.dept-acc-icon{width:calc(33px * var(--tv-scale));height:calc(33px * var(--tv-scale));border-radius:9px;display:grid;place-items:center;font-size:calc(16px * var(--tv-scale));background:var(--accent-soft)}
.dept-acc.op .dept-acc-icon{background:#DDF0F2}.dept-acc.legal .dept-acc-icon{background:#F2E2E8}.dept-acc.hr .dept-acc-icon{background:#E5EFD5}.dept-acc.dev .dept-acc-icon{background:#E0E5F2}
.dept-acc-info .name{font-family:'Sora',sans-serif;font-size:calc(13.5px * var(--tv-scale));font-weight:700}
.dept-acc-info .who{font-size:calc(11px * var(--tv-scale));color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dept-acc-chev{width:calc(22px * var(--tv-scale));height:calc(22px * var(--tv-scale));border-radius:50%;background:#F4ECE0;color:var(--ink-soft);display:grid;place-items:center;transition:.2s;font-size:calc(10px * var(--tv-scale))}
.dept-acc[open] .dept-acc-chev{background:var(--accent);color:#fff;transform:rotate(180deg)}
.dept-acc-body{padding:8px 16px 14px;border-top:1px solid var(--line)}
.ex{background:#FBF7EF;border-radius:9px;padding:12px;margin-bottom:8px}
.ex-title{font-family:'Sora',sans-serif;font-weight:700;font-size:calc(12.5px * var(--tv-scale));margin-bottom:9px;display:flex;gap:6px;align-items:center}
.ex-badge{background:var(--accent);color:#fff;padding:2px 7px;border-radius:4px;font-size:calc(9px * var(--tv-scale))}
.es{display:grid;grid-template-columns:18px 1fr;gap:7px;margin-bottom:6px;font-size:calc(11.5px * var(--tv-scale))}
.es-n{width:calc(17px * var(--tv-scale));height:calc(17px * var(--tv-scale));border-radius:50%;background:#fff;color:var(--accent-deep);display:grid;place-items:center;font-family:'Sora',sans-serif;font-weight:800;font-size:calc(9px * var(--tv-scale));border:2px solid var(--accent)}
.es-c b{font-family:'Sora',sans-serif;font-weight:700;color:var(--ink);font-size:calc(11.5px * var(--tv-scale));display:block;margin-bottom:1px}
.es-c{color:var(--ink-soft)}
.es-p{margin-top:4px;background:#1e293b;color:#e2e8f0;border-radius:5px;padding:8px 10px;font-family:Consolas,monospace;font-size:calc(10.5px * var(--tv-scale));line-height:1.55;white-space:pre-wrap}
.es-r{margin-top:4px;background:#E9F1E5;color:#3F5B2A;border-radius:5px;padding:6px 10px;font-size:calc(11px * var(--tv-scale));border-left:3px solid var(--moss)}
.es-t{margin-top:4px;background:#FFF1ED;color:var(--accent-deep);border-radius:5px;padding:6px 10px;font-size:calc(11px * var(--tv-scale));border-left:3px solid var(--accent)}
.es-t i{font-style:normal;font-weight:600;background:rgba(217,119,87,.12);padding:1px 4px;border-radius:3px;margin:0 2px}
.es-dl{margin-top:3px;display:inline-flex;align-items:center;gap:4px;background:var(--accent);color:#fff;text-decoration:none;font-family:'Sora',sans-serif;font-weight:600;font-size:calc(10px * var(--tv-scale));padding:3px 9px;border-radius:5px}
.es-dl::before{content:"⬇️"}

/* ── FAQ ── */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:calc(12px * var(--tv-scale))}
.faq-card{background:var(--bg-card);border:1px solid var(--line);border-radius:12px;padding:calc(16px * var(--tv-scale));border-left:3px solid var(--accent)}
.faq-q{font-family:'Sora',sans-serif;font-weight:700;font-size:calc(13.5px * var(--tv-scale));color:var(--ink);margin-bottom:7px;display:flex;gap:8px;align-items:flex-start}
.faq-q .qi{font-size:calc(16px * var(--tv-scale));flex-shrink:0}
.faq-a{font-size:calc(12.5px * var(--tv-scale));color:var(--ink-soft);line-height:1.6;padding-left:24px}

/* ── SECTION WRAPPER ── */
.s-wrap{padding:20px 0 28px}
.s-wrap.alt{background:#F4ECE0}

/* ── LIGHTBOX ── */
.lightbox{display:none;position:fixed;inset:0;z-index:9999;background:rgba(15,12,9,.92);padding:20px;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox.show{display:flex}
.lightbox img{max-width:95vw;max-height:90vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox-close{position:absolute;top:16px;right:18px;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.15);color:#fff;display:grid;place-items:center;font-size:calc(20px * var(--tv-scale));cursor:pointer;border:none}

/* ════════════════════════════════════════
   REFACTORED UTILITY & COMPONENT CLASSES
   (extracted from inline styles)
════════════════════════════════════════ */

/* ── LAYOUT UTILITIES ── */
.flex-col{display:flex;flex-direction:column}
.flex-col-full{display:flex;flex-direction:column;} /* flex:1 */
.flex-row{display:flex}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-stretch{align-items:stretch}
.flex-start{align-items:flex-start}
.grow{flex:1}
.shrink-0{flex-shrink:0}
.overflow-hidden{overflow:hidden}
.gap-10{gap:10px}
.fcard-lg{padding:22px !important}
.fcard-md{padding:20px 20px !important}
.model-lg{padding:22px !important}
.gap-6{gap:6px}
.model-feature{font-size:calc(13.5px * var(--tv-scale));padding:5px 0 5px 18px}
.mt-6{margin-top:6px}

/* ── TEXT UTILITIES ── */
.text-10{font-size:calc(10px * var(--tv-scale)) !important}
.text-11{font-size:calc(11px * var(--tv-scale)) !important}
.text-115{font-size:calc(11.5px * var(--tv-scale)) !important}
.text-12{font-size:calc(12px * var(--tv-scale)) !important}
.text-13{font-size:calc(13px * var(--tv-scale)) !important}
.text-15{font-size:calc(15px * var(--tv-scale)) !important}
.text-19{font-size:calc(19px * var(--tv-scale)) !important}
.text-muted-12{font-size:calc(12px * var(--tv-scale));color:var(--muted);line-height:1.45}
.text-muted-125{font-size:calc(12.5px * var(--tv-scale));color:var(--muted);line-height:1.5}

/* ── SPACING UTILITIES ── */
.mb-8{margin-bottom:8px}
.mb-10{margin-bottom:10px}
.mb-12{margin-bottom:12px}
.mb-14{margin-bottom:14px}

/* ── PLUGIN CARDS ── */
.plugin-card{background:#fff;border-radius:calc(18px * var(--tv-scale));padding:calc(22px * var(--tv-scale)) calc(22px * var(--tv-scale)) calc(24px * var(--tv-scale));box-shadow:0 2px 20px rgba(26,24,21,.07)}
.plugin-card-sm{background:#fff;border-radius:calc(18px * var(--tv-scale));padding:calc(18px * var(--tv-scale)) calc(20px * var(--tv-scale)) calc(20px * var(--tv-scale));box-shadow:0 2px 20px rgba(26,24,21,.07)}

/* ── PLUGIN ROWS ── */
.plugin-row{padding:7px 0;border-bottom:1px solid rgba(231,223,211,.55)}
.plugin-row:last-child{border-bottom:none}
.plugin-row-lg{padding:10px 0;border-bottom:1px solid rgba(231,223,211,.55)}
.plugin-row-lg:last-child{border-bottom:none}
.plugin-row-plain{padding:7px 0}
.plugin-row-plain-lg{padding:10px 0}

/* ── COMMAND BADGES ── */
.cmd-badge{font-family:Consolas,monospace;font-size:calc(11.5px * var(--tv-scale));font-weight:700;padding:3px 8px;border-radius:5px;display:inline-block;margin-bottom:5px}
.cmd-badge-sm{font-family:Consolas,monospace;font-size:calc(11px * var(--tv-scale));font-weight:700;padding:2px 7px;border-radius:5px;display:inline-block;margin-bottom:4px}
.cmd-design{color:#7B5EA7;background:rgba(123,94,167,.07)}
.cmd-finance{color:#2E7D52;background:rgba(46,125,82,.07)}
.cmd-data{color:#1D6FA4;background:rgba(29,111,164,.07)}
.cmd-legal{color:var(--accent-deep);background:rgba(196,97,74,.07)}
.cmd-marketing{color:#D97706;background:rgba(217,119,6,.07)}
.cmd-ops{color:#0891B2;background:rgba(8,145,178,.07)}
.cmd-sales{color:#16A34A;background:rgba(22,163,74,.07)}
.cmd-hr{color:#9333EA;background:rgba(147,51,234,.07)}

/* ── STEP NUMBERS ── */
.step-num{width:calc(22px * var(--tv-scale));height:calc(22px * var(--tv-scale));border-radius:50%;font-family:'Sora',sans-serif;font-size:calc(10px * var(--tv-scale));font-weight:800;display:grid;place-items:center;flex-shrink:0;margin-top:1px}
.step-accent{background:var(--accent-soft);color:var(--accent-deep)}
.step-teal{background:#DDF0F2;color:var(--teal)}
.step-green{background:#E5F0DC;color:#3A5C28}
.step-blue{background:#E0EFF5;color:#1D6FA4}

/* ── SLIDE WRAPPERS ── */
.slide-wrap{height:var(--content-h);display:flex;flex-direction:column;padding:calc(16px * var(--tv-scale)) 0 calc(8px * var(--tv-scale))}
.slide-wrap-alt{height:var(--content-h);display:flex;flex-direction:column;padding:calc(16px * var(--tv-scale)) 0 calc(8px * var(--tv-scale));background:#F4ECE0}

/* ── WORKSHOP ── */
.workshop-card{background:#fff;border-radius:calc(16px * var(--tv-scale));padding:calc(20px * var(--tv-scale)) calc(22px * var(--tv-scale));box-shadow:0 2px 16px rgba(26,24,21,.08)}

/* ── MOCKUP UI ── */
.mockup-toggle{width:calc(32px * var(--tv-scale));height:calc(17px * var(--tv-scale));background:#1E6FE8;border-radius:9px;position:relative;flex-shrink:0}
.mockup-toggle-knob{position:absolute;right:2px;top:2px;width:13px;height:13px;border-radius:50%;background:#fff}
.mockup-menu-item{padding:7px 11px;display:flex;align-items:center;gap:8px;border-radius:7px}
.mockup-panel-item{padding:6px 10px;display:flex;align-items:center;gap:9px;border-radius:7px}

/* ── ADDITIONAL UTILITIES ── */
.icon-lg{width:calc(44px * var(--tv-scale));height:calc(44px * var(--tv-scale));font-size:calc(20px * var(--tv-scale))}
.conn-icon-sm{font-size:calc(18px * var(--tv-scale)) !important;margin-bottom:3px !important}
.conn-card-sm{padding:9px 8px !important}
.proj-img{max-height:calc(var(--content-h) - 150px)}
.proj-img-sm{max-height:calc(var(--content-h) - 230px)}

/* ── SLIDE 20b — DOTS DRIFT ANIMATION ── */
@keyframes dotDrift{
  0%{background-position:0 0}
  100%{background-position:36px 36px}
}
.dot-drift{
  background-size:36px 36px !important;
  animation:dotDrift 3s linear infinite;
}
@media(prefers-reduced-motion:reduce){
  .dot-drift{animation:none}
}

/* ── PLUGIN COMPONENTS ── */
.plugin-label{font-size:calc(10px * var(--tv-scale));font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:3px}
.plugin-title{font-family:'Sora',sans-serif;font-size:calc(22px * var(--tv-scale));font-weight:800;color:var(--ink);margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.plugin-title-sm{font-family:'Sora',sans-serif;font-size:calc(22px * var(--tv-scale));font-weight:800;color:var(--ink);margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}

/* ── COLOR UTILITIES ── */
.c-design{color:#7B5EA7}
.c-finance{color:#2E7D52}
.c-data{color:#1D6FA4}
.c-legal{color:var(--accent-deep)}
.c-marketing{color:#D97706}
.c-ops{color:#0891B2}
.c-sales{color:#16A34A}
.c-hr{color:#9333EA}

/* ════════════════════════════════════════
   GRID CLASSES (extracted from inline styles)
════════════════════════════════════════ */
.grid-capabilities{display:grid;grid-template-columns:repeat(3,1fr);gap:calc(14px * var(--tv-scale));flex:1;align-content:stretch}
.grid-plugins-lg{display:grid;grid-template-columns:repeat(4,1fr);gap:calc(18px * var(--tv-scale));flex:1;align-content:stretch}
.grid-plugins-sm{display:grid;grid-template-columns:repeat(4,1fr);gap:calc(18px * var(--tv-scale));flex:1;align-content:stretch}

/* ── TV MODE: keep 3 columns for dense slides ── */
html.tv-mode .grid-capabilities{grid-template-columns:repeat(3,1fr)}
html.tv-mode .g3{grid-template-columns:repeat(3,1fr)}
html.tv-mode .grid-plugins-lg{grid-template-columns:repeat(4,1fr)}
html.tv-mode .grid-plugins-sm{grid-template-columns:repeat(4,1fr)}

/* ════════════════════════════════════════
   RESPONSIVE BREAKPOINTS
════════════════════════════════════════ */

/* ── TABLET (768–1024px): 2 columns ── */
@media(max-width:1024px){
  .g2,.g3,.g4,.grid-capabilities,.grid-plugins-lg,.grid-plugins-sm{grid-template-columns:1fr 1fr}
  .models{grid-template-columns:repeat(2,1fr)}
  .uc-grid{grid-template-columns:repeat(2,1fr)}
  .uce-grid{grid-template-columns:1fr 1fr}
  .conn-grid{grid-template-columns:repeat(4,1fr)}
  .faq-grid{grid-template-columns:1fr 1fr}
}

/* ── MOBILE (< 768px): 1 column, touch-friendly ── */
@media(max-width:768px){
  /* All grids → 1 column */
  .g2,.g3,.g4,.grid-capabilities,.grid-plugins-lg,.grid-plugins-sm{grid-template-columns:1fr}
  .models{grid-template-columns:1fr}
  .uc-grid{grid-template-columns:1fr}
  .uce-grid{grid-template-columns:1fr}
  .conn-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .wk-banner{grid-template-columns:1fr}
  .wk-stats{grid-template-columns:repeat(2,1fr)}

  /* Container padding */
  .container{padding:0 16px}

  /* Bottom nav: hide dots, bigger buttons */
  .slide-dots{display:none}
  .slide-btn{padding:12px 20px;font-size:14px;min-height:44px;min-width:44px}
  .slide-counter{font-size:13px}

  /* Project slides: stack Before/After vertically */
  .proj-ba{grid-template-columns:1fr !important}
  .proj-ba-arrow{display:none !important}
  .proj-ba-col{min-height:auto !important}

  /* Workshop: stack cards */
  .slide-wrap .container[style*="grid-template-columns:1fr 1fr"],
  .slide-wrap-alt .container[style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr !important}

  /* Allow scroll on overflowing slides */
  .slide{overflow-y:auto;padding-bottom:60px}
  .slide-wrap,.slide-wrap-alt{height:auto;min-height:var(--content-h)}

  /* Nav */
  .nav{padding:0 16px}
  .brand{font-size:11px}
  #tv-toggle{display:none}

  /* Prevent horizontal overflow globally */
  html,body{overflow-x:hidden}
}

/* ════════════════════════════════════════
   MOBILE CLASS OVERRIDES (for inline styles)
   Uses html.mobile class added by JS
   ════════════════════════════════════════ */
@media(max-width:768px){
  html.mobile body{overflow-x:hidden}

  /* Fix 100vh issues on mobile browsers */
  html.mobile .slide.fullscreen,
  html.mobile .slide-wrap,
  html.mobile .slide-wrap-alt{
    height:auto;
    min-height:var(--content-h);
    overflow-y:auto;
  }

  /* Slide 2: 3-column Chat/Cowork/Code → 3 horizontal rows on mobile */
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"]{
    grid-template-columns:1fr !important;
    grid-template-rows:repeat(3,1fr) !important;
    gap:0 !important;
  }
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"] > div{
    border-right:none !important;
    border-bottom:1px solid #C0B8A8;
    padding:clamp(16px,3vw,28px) !important;
  }
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"] > div:last-child{
    border-bottom:none !important;
  }
  /* Cowork row highlight on mobile */
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"] > div:nth-child(2){
    background:linear-gradient(180deg,rgba(217,119,87,.08) 0%,transparent 100%) !important;
    border-left:2px solid var(--accent) !important;
  }
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"] > div > div:first-child{
    font-size:28px !important;
    margin-bottom:2px !important;
  }
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"] > div > div:nth-child(2){
    font-size:11px !important;
    margin-bottom:10px !important;
  }
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"] .text-15{
    font-size:13px !important;
  }
  html.mobile #slide-2 > div > div[style*="grid-template-columns:1fr 1fr 1fr"] > div > div[style*="border-top"]{
    padding-top:10px !important;
    margin-top:10px !important;
  }
  /* Bottom pill: shrink text */
  html.mobile #slide-2 [style*="font-size:calc(22px"]{
    font-size:14px !important;
    padding:8px 12px !important;
  }

  /* Slide 4: Feature cards + Model cards */
  html.mobile #slide-4 [style*="grid-template-columns:repeat(3,1fr)"]{
    grid-template-columns:1fr !important;
  }
  html.mobile #slide-4 [style*="grid-template-columns:repeat(3,1fr)"].container > div:last-child{
    grid-template-columns:1fr !important;
  }

  /* Slides 5, 6, 7: Capability/use case grids */
  html.mobile .slide-wrap [style*="grid-template-columns:repeat(3,1fr)"],
  html.mobile .slide-wrap-alt [style*="grid-template-columns:repeat(3,1fr)"]{
    grid-template-columns:1fr !important;
  }

  /* Slide 5: capabilities grid → 2 columns on mobile */
  html.mobile #slide-5 .grid-capabilities{
    grid-template-columns:repeat(2,1fr) !important;
  }

  /* Slide 8: How to use mockup */
  html.mobile #slide-8 [style*="max-width:680px"]{
    max-width:100% !important;
    padding:16px !important;
  }

  /* Slide 9: Connectors mockup */
  html.mobile #slide-9 [style*="max-height:410px"]{
    max-height:none !important;
    flex-direction:column !important;
  }
  html.mobile #slide-9 [style*="min-width:190px"]{
    min-width:unset !important;
    width:100% !important;
  }
  html.mobile #slide-9 [style*="min-width:252px"]{
    min-width:unset !important;
    width:100% !important;
  }

  /* Slides 10-15c: Project Before/After */
  html.mobile .proj-ba{
    grid-template-columns:1fr !important;
  }
  html.mobile .proj-ba-arrow{
    display:none !important;
  }
  html.mobile .proj-ba-col{
    min-height:auto !important;
  }
  html.mobile .proj-ba-img{
    max-height:40vh !important;
    width:100% !important;
  }
  html.mobile .proj-single-head{
    flex-wrap:wrap;
    gap:12px;
  }
  html.mobile .proj-single-emoji{
    font-size:36px !important;
  }
  html.mobile .proj-single-title{
    font-size:20px !important;
  }

  /* Slide 16: Workshop cards */
  html.mobile #slide-16 [style*="grid-template-columns:1fr 1fr"]{
    grid-template-columns:1fr !important;
  }

  /* Slides 17-18: .g3 dept cards → 1 column */
  html.mobile #slide-17 .g3,
  html.mobile #slide-18 .g3{
    grid-template-columns:1fr !important;
  }

  /* Slides 17-20: Skills and Plugin cards */
  html.mobile [style*="grid-template-columns:repeat(3,1fr)"],
  html.mobile [style*="grid-template-columns:repeat(4,1fr)"]{
    grid-template-columns:1fr !important;
  }

  /* Slides 19-20 plugin grids: override class-based grids too */
  html.mobile #slide-19 .grid-plugins-lg,
  html.mobile #slide-20 .grid-plugins-sm{
    grid-template-columns:1fr !important;
  }

  /* Slide 20b: Q&A large title */
  html.mobile #slide-20b h1{
    font-size:clamp(36px,8vw,64px) !important;
  }

  /* Lightbox: ensure image fits */
  html.mobile .lightbox img{
    max-width:100vw !important;
    max-height:80vh !important;
    object-fit:contain;
  }

  /* Bottom nav bar: make buttons thumb-friendly */
  html.mobile .slide-nav-bar{
    padding:0 12px;
  }
  html.mobile .slide-btn{
    padding:12px 16px;
    min-height:30px;
    min-width:44px;
    font-size:13px;
  }

  /* iframe (Slide 1 word cloud): constrain height */
  html.mobile #slide-1 iframe{
    height:60vh !important;
  }

  /* Section headings: reduce size on mobile */
  html.mobile .section-head h2{
    font-size:22px !important;
  }
  html.mobile .kicker{
    font-size:9px !important;
  }
  html.mobile .section-head p,
  html.mobile p{
    font-size:12px !important;
  }

  /* Reduce tv-scale effect on mobile */
  html.mobile *{
    --tv-scale:0.85 !important;
  }
}