:root{
  --bg:#faf7f1; --paper:#fffdf9; --card:#fff; --ink:#1f2b25; --muted:#5b6861; --line:#ebe5d8;
  --brand:#1f5c46; --brand-2:#2f7a5d; --accent:#c98a3a;
  --mint:#e4f2ea; --peach:#fde9dc; --butter:#fbf0d4; --sky:#e3eef8; --lilac:#efe9f7; --rose:#fbe4e8;
  --premium:#4a3a70;
  --note-bg:#f2f1ed; --note-line:#dcd9d0; --note-edge:#5b6861; --note-ink:#262c28;
  --radius:18px; --radius-sm:14px;
  --shadow:0 1px 2px rgba(31,43,37,.04),0 6px 22px rgba(31,43,37,.07);
  --head:"Mitr","Anuphan",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Anuphan",system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--brand)}
main{max-width:1040px;margin:0 auto;padding:0 16px}
h1,h2{font-family:var(--head);font-weight:500;line-height:1.35}
.ico{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* header */
.top{display:flex;justify-content:space-between;align-items:center;max-width:1040px;margin:0 auto;padding:14px 16px;gap:8px 16px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:6px;font-family:var(--head);font-weight:500;font-size:1.4rem;text-decoration:none;color:var(--brand)}
.logo .ico{width:24px;height:24px;stroke-width:1.9}
.top nav{display:flex;gap:16px;flex-wrap:wrap;font-size:.95rem}
.top nav a{text-decoration:none;color:var(--muted);font-weight:500}
.top nav a:hover{color:var(--brand)}

/* hero */
.hero{display:grid;gap:8px;padding:20px 0 8px;align-items:center}
.eyebrow{display:inline-block;margin:0 0 10px;padding:4px 12px;border-radius:999px;background:var(--mint);color:var(--brand);font-weight:600;font-size:.85rem}
.hero h1{font-size:clamp(2.1rem,7vw,3.4rem);line-height:1.25;margin:0 0 12px}
.hero h1 em{font-style:normal;color:var(--brand);background:linear-gradient(transparent 62%,var(--butter) 62%);padding:0 .1em}
.lede{max-width:34em;color:var(--muted);font-size:1.05rem;margin:0 0 20px}
.cta-row{display:flex;flex-wrap:wrap;gap:10px}
.hero-art{max-width:190px;justify-self:center;width:100%}
.hero-art svg{display:block;width:100%;height:auto}

/* trust strip */
.trust{list-style:none;margin:16px 0 8px;padding:0;display:grid;gap:10px}
.trust li{display:flex;gap:12px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}
.bub{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;flex:none;color:var(--brand);background:var(--mint)}
.trust li:nth-child(2) .bub{background:var(--peach);color:#8a4b21}
.trust li:nth-child(3) .bub{background:var(--sky);color:#2b5378}
.trust b{display:block;line-height:1.35;margin-top:2px}
.trust b+span{display:block;color:var(--muted);font-size:.88rem;line-height:1.5}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 24px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;font:inherit;font-weight:600;line-height:1.3}
.btn.main{background:var(--brand);color:#fff}
.btn.main:hover{background:var(--brand-2)}
.btn.line{background:#06c755;color:#fff}
.btn.buy{background:var(--brand);color:#fff;padding:9px 18px;font-size:.92rem}
.btn.buy:hover{background:var(--brand-2)}
.btn.off{background:var(--note-bg);color:var(--muted);padding:9px 18px;font-size:.92rem;cursor:default}

/* quiz */
.quiz{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:0 16px 20px;margin:24px 0 48px}
.quiz-head{position:sticky;top:0;z-index:5;background:var(--paper);margin:0 -16px 18px;padding:14px 16px 12px;border-bottom:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0}
.steps{list-style:none;margin:0 0 10px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:4px;font-size:.8rem;color:var(--muted);text-align:center}
.steps li{display:flex;flex-direction:column;align-items:center;gap:3px;line-height:1.25}
.num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--line);background:#fff;font-weight:700;font-size:.85rem;color:var(--muted);flex:none}
.steps li.now{color:var(--ink);font-weight:600}
.steps li.now .num{border-color:var(--brand);color:var(--brand);box-shadow:0 0 0 4px var(--mint)}
.done .num{background:var(--brand);border-color:var(--brand);color:#fff;font-size:0}
.done .num::after{content:"✓";font-size:.9rem}
.bar{height:6px;border-radius:6px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:6px;background:var(--brand-2);transition:width .25s}
fieldset{border:0;padding:0;margin:0 0 28px;scroll-margin-top:110px}
legend{display:flex;align-items:center;gap:10px;font-family:var(--head);font-weight:500;font-size:1.1rem;margin-bottom:12px;padding:0}
.hint{margin:-4px 0 8px;color:var(--muted);font-size:.9rem}
.opt{display:inline-block;margin:0 8px 8px 0;cursor:pointer}
.opt input,.chk input{accent-color:var(--brand)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt>span{display:block;border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:10px 18px;background:#fff;transition:.15s}
.opt:hover>span{border-color:#cfd8d2}
.opt input:checked+span{border-color:var(--brand);background:var(--mint);box-shadow:inset 0 0 0 1px var(--brand)}
.opt input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.goals{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.goals .opt{margin:0;display:block}
.goals .opt>span{position:relative;height:100%;padding:8px 8px 12px;text-align:center;border-radius:var(--radius)}
.scene{display:block;width:100%;height:auto}
.ck{position:absolute;top:12px;right:12px;width:24px;height:24px;border-radius:50%;border:1.5px solid #cfd8d2;background:#fff;display:grid;place-items:center}
.opt input:checked+span .ck{background:var(--brand);border-color:var(--brand)}
.opt input:checked+span .ck::after{content:"✓";color:#fff;font-size:.85rem;font-weight:700}
.err{color:#a3271b;font-weight:600;font-size:.9rem;margin:8px 0 0}
.err:empty{display:none}
.g-skin-hair{background:var(--rose)!important;color:#9a3b52!important}
.g-energy{background:var(--butter)!important;color:#7a5a12!important}
.g-brain-focus{background:var(--sky)!important;color:#2b5378!important}
.g-bone-joint{background:var(--peach)!important;color:#8a4b21!important}
.g-sleep-rest{background:var(--lilac)!important;color:var(--premium)!important}
.g-immunity{background:var(--mint)!important;color:var(--brand)!important}
.goals b{display:block;line-height:1.35;margin-top:6px}
.goals small{display:block;color:var(--muted);font-size:.82rem;line-height:1.45;margin-top:2px}
.chk{display:flex;gap:10px;align-items:flex-start;margin:6px 0;padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer}
.chk:hover{background:var(--bg)}
.chk input{margin-top:5px;width:18px;height:18px;flex:none}
.submit{width:100%}

/* result + set card */
#result{margin-top:28px;scroll-margin-top:16px}
#result>h2{margin:0 0 12px}
.sets{display:grid;grid-template-columns:1fr;gap:16px}
.set{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 18px}
.set.premium{border-color:#d9cfec}
.tier{display:inline-block;font-size:.82rem;font-weight:700;padding:3px 12px;border-radius:999px;background:var(--mint);color:var(--brand)}
.set.premium .tier{background:var(--lilac);color:var(--premium)}
.set h3{margin:10px 0 12px;font-size:1.12rem;line-height:1.45}
.set h3 a{color:inherit;text-decoration:none}
.price{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 12px;background:var(--mint);border-radius:var(--radius-sm);padding:12px 16px;margin:0 0 12px}
.price .day{font-size:1.35rem;font-weight:700;color:var(--brand)}
.price .day small{font-size:.88rem;font-weight:500}
.price .month{color:var(--muted);font-size:.9rem}
.set.premium .price{background:var(--lilac)}
.set.premium .price .day{color:var(--premium)}
details{margin:8px 0}
summary{cursor:pointer;font-weight:600;color:var(--muted)}
.why{margin:6px 0 0;padding-left:20px;color:var(--muted);font-size:.93rem}
.prods{list-style:none;padding:0;margin:12px 0 8px}
.prod{display:grid;grid-template-columns:52px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.thumb{width:52px;height:52px;border-radius:16px;background:var(--bg);border:1px solid var(--line);display:grid;place-items:center;font-family:var(--head);font-size:1.25rem;color:var(--brand)}
.pname{font-weight:600;line-height:1.4}
.pmeta{font-size:.84rem;color:var(--muted);margin:2px 0 8px}
.disc{font-size:.84rem;color:var(--muted);margin:4px 0 0}
.grp{margin-top:16px}
.grp-h{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;font-weight:600}
.grp-h a{font-weight:500;font-size:.85rem}
.prod.dup .pname{color:var(--muted);text-decoration:line-through}
.dup-note{font-size:.84rem;color:var(--brand);font-weight:600;margin-top:2px}
.overlap{background:var(--butter);color:#5c4510;border-radius:var(--radius-sm);padding:10px 12px;font-size:.88rem;line-height:1.55;margin-top:10px}
.overlap ul{margin:4px 0 0;padding-left:18px}

/* notices */
.warn{position:relative;background:var(--note-bg);color:var(--note-ink);border:1px solid var(--note-line);border-left:4px solid var(--note-edge);border-radius:var(--radius-sm);padding:10px 12px 10px 38px;font-size:.9rem;line-height:1.55;margin-top:10px}
.warn::before{content:"";position:absolute;left:12px;top:12px;width:18px;height:18px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23262c28' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9.5'/%3E%3Cpath d='M12 7.5v5.5M12 16.5v.01'/%3E%3C/svg%3E") center/contain no-repeat}
.warn strong{font-weight:700}
.gate{background:var(--paper);border:1.5px solid var(--accent);border-radius:var(--radius);padding:20px}
.note{color:var(--muted)}
.alert{background:#fdecea;color:#8a1f11;border-radius:var(--radius-sm);padding:10px 12px}

/* pages */
.wrap{padding:24px 0 48px}
.crumb{font-size:.9rem;color:var(--muted)}
.goal-h{display:flex;align-items:center;gap:12px}
.goal-h .bub{width:40px;height:40px}
.list{padding-left:20px}
.list li{margin:6px 0}
.prose{max-width:42em}

.foot{max-width:1040px;margin:0 auto;padding:24px 16px 48px;border-top:1px solid var(--line);color:var(--muted)}
.small{font-size:.85rem}

@media (min-width:600px){
  .quiz{padding:0 28px 28px}
  .quiz-head{margin:0 -28px 20px;padding:16px 28px 14px}
  .steps{font-size:.88rem}
  .trust{grid-template-columns:repeat(3,1fr)}
  .submit{width:auto}
  .set{padding:24px}
}
@media (min-width:860px){
  .hero{grid-template-columns:1.3fr 1fr;padding:36px 0 12px}
  .hero-art{max-width:300px}
  .goals{grid-template-columns:repeat(3,1fr)}
  .sets{grid-template-columns:repeat(2,1fr);align-items:start}
}