/* ============================================================
   Homepage 3D hero — "ร่างกายดี 7 ด้าน"
   ============================================================ */
:root{
  --gold:#C98A45;
  --gold-d:#9C6A35;
  --gold-ink:#6A4320;
  --cream:#FBF3E6;
}

.stage{
  position:relative; height:calc(100vh - 74px); height:calc(100svh - 74px);
  min-height:620px; overflow:hidden; isolation:isolate;
  background:
    radial-gradient(40% 50% at 66% 52%, rgba(216,144,69,.20) 0%, rgba(216,144,69,0) 70%),
    radial-gradient(120% 80% at 50% 8%, #FFFFFF 0%, var(--paper) 45%, var(--moss) 100%);
}
.stage canvas{ position:absolute; inset:0; width:100%; height:100%; display:block; touch-action:pan-y; }
.stage canvas.hovering{ cursor:pointer; }

/* hero copy */
.hero-copy{
  position:absolute; z-index:3; top:44px; left:max(24px, calc((100vw - 1440px)/2 + 24px));
  max-width:430px; pointer-events:none; transition:opacity .35s, transform .35s;
}
.stage.focused .hero-copy{ opacity:0; transform:translateX(-12px); }
.hero-copy > *{ opacity:0; animation:h3dUp .8s cubic-bezier(.2,.7,.2,1) forwards; }
.hero-copy > :nth-child(2){ animation-delay:.12s; }
.hero-copy > :nth-child(3){ animation-delay:.24s; }
.hero-copy > :nth-child(4){ animation-delay:.36s; }
.hero-copy > :nth-child(5){ animation-delay:.48s; }
@keyframes h3dFade{ to{ opacity:1; } }
@keyframes h3dUp{ from{ opacity:0; transform:translateY(14px); } to{ opacity:1; transform:none; } }

.hero-copy .h3d-title{
  font-family:var(--f-display); font-weight:600; color:var(--ink);
  font-size:clamp(2.2rem, 4vw, 3.6rem); line-height:1.12; margin:0 0 .8rem;
}
.hero-copy .h3d-title em{
  font-style:normal; color:var(--gold-d);
  background:linear-gradient(transparent 62%, rgba(216,144,69,.28) 62%);
}
.hero-copy .h3d-sub{ margin:0 0 1.2rem; color:#3E5559; font-size:1.05rem; }
.hero-copy .h3d-actions{ display:flex; flex-wrap:wrap; gap:10px; pointer-events:auto; margin-bottom:1rem; }
.h3d-btn{
  display:inline-flex; align-items:center; gap:.5rem; border-radius:99px; padding:.8rem 1.35rem;
  font-family:var(--f-body); font-weight:600; font-size:1rem; cursor:pointer; border:1px solid transparent;
  transition:transform .2s, box-shadow .2s, background .2s, color .2s;
}
.h3d-btn.primary{ background:var(--gold); color:#fff; box-shadow:0 8px 24px rgba(201,138,69,.35); }
.h3d-btn.primary:hover{ background:var(--gold-d); color:#fff; transform:translateY(-2px); }
.h3d-btn.ghost{ background:rgba(255,255,255,.75); color:var(--forest-d); border-color:var(--line); }
.h3d-btn.ghost:hover{ background:#fff; color:var(--forest-d); transform:translateY(-2px); }
.hint{ display:inline-flex; gap:.5rem; align-items:center; font-size:.85rem; color:var(--forest-d);
  background:rgba(255,255,255,.7); border:1px solid var(--line); padding:.35rem .8rem; border-radius:99px; }

/* explore progress */
.explore{
  position:absolute; z-index:4; top:18px; right:max(18px, calc((100vw - 1440px)/2 + 24px));
  display:flex; align-items:center; gap:10px; padding:8px 14px 8px 10px;
  background:rgba(255,255,255,.88); border:1px solid var(--line); border-radius:99px; box-shadow:var(--shadow-sm);
  font-size:.88rem; color:var(--ink); white-space:nowrap; opacity:0; animation:h3dFade .6s .9s forwards;
}
.explore svg{ width:20px; height:20px; color:var(--gold); flex:none; }
.explore b{ color:var(--gold-d); }
.explore .bar{ width:74px; height:6px; border-radius:99px; background:var(--paper-d); overflow:hidden; }
.explore .bar i{ display:block; height:100%; width:0; background:linear-gradient(90deg,var(--amber),var(--gold)); transition:width .5s; }

/* labels projected from 3D */
.labels{ position:absolute; inset:0; z-index:2; pointer-events:none; }
.lbl{
  position:absolute; left:0; top:0; transform:translate(-50%,-50%);
  pointer-events:auto; cursor:pointer; border:0; background:none; padding:6px;
  font-family:var(--f-body); color:var(--gold-ink); text-align:center; line-height:1.25;
  font-weight:600; font-size:clamp(.8rem, 1.15vw, 1.02rem); white-space:nowrap;
  opacity:0; transition:opacity .45s, color .2s;
}
.lbl.ready{ opacity:1; }
.lbl .n{ display:block; font-size:.78em; font-weight:500; color:#B9752F; }
.lbl .n .ok{ display:none; color:#3D8B5A; margin-left:.25em; }
.lbl.seen .n .ok{ display:inline; }
.lbl.on-body{ color:#fff; font-size:clamp(.85rem,1.2vw,1.08rem);
  background:rgba(122,78,36,.9); border-radius:99px; padding:3px 14px 4px; box-shadow:var(--shadow-sm); }
.lbl.on-body .n{ display:inline; margin-right:.35em; color:#F2C792; }
.lbl.on-body .n .ok{ color:#A8E0B8; }
.lbl.on-umb{ font-size:clamp(.78rem,1.05vw,.98rem);
  background:rgba(251,253,253,.94); border:1px solid #E6D2B8; border-radius:99px; padding:4px 14px 5px; box-shadow:var(--shadow-sm); }
.lbl.on-umb .n{ display:inline; margin-right:.4em; }
.lbl.on-body:not(.seen).ready, .lbl.on-umb:not(.seen).ready{ animation:pillGlow 2.4s ease-in-out infinite; }
@keyframes pillGlow{ 0%,100%{ box-shadow:0 0 0 0 rgba(216,144,69,.0), var(--shadow-sm); } 50%{ box-shadow:0 0 0 7px rgba(216,144,69,.22), var(--shadow-sm); } }
.lbl:hover, .lbl.active{ color:var(--amber-d); }
.lbl.on-body:hover, .lbl.on-body.active{ color:#FFE3BD; }
.lbl:focus-visible{ outline:2px solid var(--amber); outline-offset:2px; border-radius:8px; }
.lbl.ready.dim{ opacity:.35; }
.lbl.tease{ animation:tease 1.1s cubic-bezier(.3,1.6,.5,1); }
@keyframes tease{ 0%,100%{ scale:1; } 35%{ scale:1.28; } 60%{ scale:.94; } }

/* info card */
.info{
  position:absolute; z-index:5; right:max(24px, calc((100vw - 1440px)/2 + 24px)); top:50%;
  width:min(390px, calc(100vw - 48px)); transform:translate(24px,-50%); opacity:0; visibility:hidden;
  background:rgba(251,253,253,.95); backdrop-filter:blur(8px);
  border:1px solid var(--line); border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
  padding:26px 26px 20px; transition:opacity .35s, transform .35s, visibility .35s;
}
.info.show{ opacity:1; visibility:visible; transform:translate(0,-50%); }
.info .num{ font-family:var(--f-brand); color:var(--gold-d); font-size:.95rem; margin:0 0 .2rem; }
.info h2{ font-family:var(--f-display); font-size:1.65rem; line-height:1.25; margin:0 0 .7rem; color:var(--ink); }
.info p{ margin:0 0 .8rem; font-size:.98rem; color:#34494D; }
.info .quote{ font-family:var(--f-display); font-style:italic; color:var(--forest-d);
  border-left:2px solid var(--gold); padding-left:12px; }
.info .row{ display:flex; flex-wrap:wrap; gap:10px 16px; align-items:center; justify-content:space-between; margin-top:4px; }
.info .more{ font-weight:600; }
.info .nextbtn{ border:0; cursor:pointer; background:var(--cream); color:var(--gold-ink); font-family:var(--f-body);
  font-weight:600; font-size:.9rem; border-radius:99px; padding:.5rem .95rem; }
.info .nextbtn:hover{ background:#F4E3C8; }
.info .close{ position:absolute; top:10px; right:10px; width:34px; height:34px; border:0; background:none;
  border-radius:50%; cursor:pointer; color:var(--ink); font-size:1.3rem; line-height:1; }
.info .close:hover{ background:var(--paper-d); }

/* finished all 7 */
.done{
  position:absolute; z-index:6; left:50%; top:22px; transform:translate(-50%,-20px); opacity:0; visibility:hidden;
  width:min(560px, calc(100vw - 32px)); text-align:center;
  background:linear-gradient(135deg, #FFF8EC, #FBEBD2); border:1px solid #EACB9C; border-radius:18px;
  box-shadow:0 18px 50px rgba(122,78,36,.22); padding:18px 22px;
  transition:opacity .4s, transform .4s, visibility .4s;
}
.done.show{ opacity:1; visibility:visible; transform:translate(-50%,0); }
.done h2{ font-family:var(--f-display); margin:0 0 .3rem; font-size:1.35rem; color:var(--gold-ink); }
.done p{ margin:0 0 .8rem; color:#5B4A38; font-size:.95rem; }
.done .acts{ display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
.done .x{ position:absolute; top:8px; right:10px; border:0; background:none; font-size:1.2rem; cursor:pointer; color:var(--gold-ink); }

/* stepper */
.stepper{
  position:absolute; z-index:4; left:50%; bottom:22px; transform:translateX(-50%);
  display:flex; align-items:center; gap:6px; padding:6px;
  background:rgba(251,253,253,.92); border:1px solid var(--line); border-radius:99px; box-shadow:var(--shadow-sm);
  opacity:0; animation:h3dFade .6s 1.1s forwards;
}
.stepper button{
  border:0; background:none; cursor:pointer; font-family:var(--f-body); color:var(--ink);
  min-width:36px; height:36px; border-radius:99px; font-size:.9rem; font-weight:600; position:relative;
}
.stepper button:hover{ background:var(--paper-d); }
.stepper #dots button.seen::after{ content:""; position:absolute; left:50%; bottom:3px; width:5px; height:5px; margin-left:-2.5px;
  border-radius:50%; background:var(--gold); }
.stepper button[aria-current="true"]{ background:var(--gold); color:#fff; }
.stepper button[aria-current="true"]::after{ background:#fff !important; }
.stepper .all{ padding:0 14px; font-weight:500; white-space:nowrap; }
.stepper .sep{ width:1px; height:20px; background:var(--line); }

.scroll-cue{
  position:absolute; z-index:3; left:max(24px, calc((100vw - 1440px)/2 + 24px)); bottom:30px;
  display:inline-flex; align-items:center; gap:.5rem; font-size:.88rem; color:var(--forest-d);
  opacity:0; animation:h3dUp .6s 1.3s forwards;
}
.scroll-cue span{ display:inline-block; animation:bob 1.8s ease-in-out infinite; }
@keyframes bob{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(5px); } }

/* fallback when WebGL is unavailable */
.fallback7{ display:none; }
.no-webgl .labels, .no-webgl .stepper, .no-webgl .hint, .no-webgl .explore, .no-webgl .scroll-cue, .no-webgl .info{ display:none; }
.no-webgl .stage{ height:auto; min-height:0; padding:40px 0 30px; }
.no-webgl .hero-copy{ position:static; max-width:980px; margin:0 auto; padding:0 24px; }
.no-webgl .fallback7{ display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:12px;
  max-width:980px; margin:20px auto 0; padding:0 24px; list-style:none; }
.no-webgl .fallback7 a{ display:block; background:#fff; border:1px solid var(--line); border-radius:12px; padding:14px; font-weight:600; }

@media (max-width: 820px){
  .stage{ min-height:660px; }
  .hero-copy{ top:18px; left:16px; right:16px; max-width:none; }
  .hero-copy .eyebrow{ display:none; }
  .hero-copy .h3d-title{ font-size:1.75rem; margin-bottom:.6rem; }
  .hero-copy .h3d-sub, .hero-copy .hint{ display:none; }
  .h3d-btn{ padding:.55rem 1rem; font-size:.9rem; }
  .explore{ top:auto; bottom:68px; right:auto; left:50%; transform:translateX(-50%); padding:6px 12px 6px 9px; font-size:.82rem; }
  .explore .bar{ width:54px; }
  .stage.focused .explore{ opacity:0; }
  .scroll-cue{ display:none; }
  .info{ left:12px; right:12px; width:auto; top:auto; bottom:74px; transform:translateY(24px);
    max-height:48%; overflow:auto; padding:20px 20px 16px; }
  .info.show{ transform:translateY(0); }
  .info h2{ font-size:1.3rem; }
  .stepper{ bottom:14px; gap:2px; max-width:calc(100vw - 24px); }
  .stepper button{ min-width:30px; height:34px; }
  .stepper .sep{ display:none; }
  .stepper .all{ padding:0 10px; }
  .lbl{ font-size:.74rem; padding:4px; }
  .lbl.on-umb{ font-size:.72rem; white-space:normal; width:150px; }
}
@media (prefers-reduced-motion: reduce){
  .hero-copy > *, .explore, .stepper, .scroll-cue{ animation:none; opacity:1; }
  .info, .lbl, .done{ transition:none; }
  .lbl.tease, .lbl.on-body, .lbl.on-umb, .scroll-cue span{ animation:none !important; }
}

/* link card to the 5 อ. page (homepage) */
.five-link{ display:flex; gap:20px; align-items:center; background:var(--white); border:1px solid var(--line);
  border-radius:var(--radius-lg); padding:14px; color:var(--ink); box-shadow:var(--shadow-sm); transition:transform .2s, box-shadow .2s, border-color .2s; }
.five-link:hover{ transform:translateY(-2px); box-shadow:var(--shadow-md); border-color:var(--sage); color:var(--ink); }
.five-link img{ width:180px; height:120px; object-fit:cover; border-radius:10px; flex:none; }
.five-link > span{ display:flex; flex-direction:column; gap:2px; color:#4A5F63; font-size:.95rem; }
.five-link .eyebrow{ margin:0 0 .2rem; }
.five-link strong{ font-family:var(--f-display); font-size:1.4rem; color:var(--ink); }
.five-link em{ font-style:normal; font-weight:600; color:var(--forest); margin-top:6px; }
@media (max-width:560px){ .five-link{ flex-direction:column; align-items:flex-start; } .five-link img{ width:100%; height:auto; aspect-ratio:3/2; } }