/* ═══ ชะตาแห่งเรือน — design system ═══
   กติกา: ทุก control สูงเท่ากัน (--ctl-h) · จัดกลุ่มด้วยการ์ด .fs · ความกว้างคุมด้วย .row (grid)
   ห้ามใช้ letter-spacing กับข้อความไทย (สระ ำ หลุด) */
:root{
  --navy:#0E1A2B; --navy2:#16263D; --navy3:#1B2E49;
  --gold:#C9A25C; --gold-l:#E3C892; --gold-d:#9a762e;
  --cream:#F5EFE2; --paper:#FBF7EC; --ink:#2A2A33;
  --muted:#6b6152; --line:#e4d9c0;
  --ok:#41775c; --warn:#B06A4F;
  --radius:14px;
  --ctl-h:50px;                                /* ความสูงมาตรฐานของ input/select ทุกตัว */
  --ring:0 0 0 3.5px rgba(201,162,92,.22);     /* focus ring ทอง */
  --ring-err:0 0 0 3.5px rgba(176,106,79,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Sarabun',sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}
.serif{font-family:'Trirong',serif}
img{max-width:100%}
a{color:var(--gold-d)}
.container{max-width:1040px;margin:0 auto;padding:0 20px}
.narrow{max-width:640px;margin:0 auto;padding:0 20px}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  text-decoration:none;text-align:center;font-family:'Sarabun',sans-serif;font-size:1.02rem;font-weight:600;
  border-radius:999px;padding:0 32px;min-height:52px;line-height:normal;  /* ไทย: 1.4 ตัดสระบน/ล่าง */
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-d));color:#fff;box-shadow:0 6px 18px rgba(154,118,46,.32)}
.btn-gold:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(154,118,46,.42)}
.btn-gold:active{transform:none}
.btn-ghost{background:transparent;color:var(--gold-l);border:1.5px solid var(--gold)}
.btn-ghost:hover{background:rgba(201,162,92,.12)}
.btn-line{background:#fff;color:var(--gold-d);border:1.5px solid var(--gold)}
.btn-line:hover{background:#FDF8EE}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{min-height:42px;padding:0 22px;font-size:.92rem}
.btn-block{display:flex;width:100%}

/* ── ornaments ── */
.divider{display:flex;align-items:center;gap:10px;justify-content:center;margin:18px 0}
.divider .ln{height:1px;width:56px;background:linear-gradient(90deg,transparent,var(--gold))}
.divider .ln.r{background:linear-gradient(90deg,var(--gold),transparent)}
.divider .dm{width:7px;height:7px;background:var(--gold);transform:rotate(45deg)}
.kicker{font-size:.8rem;letter-spacing:.35em;color:var(--gold);text-transform:uppercase} /* ใช้กับอังกฤษเท่านั้น */

/* ── dark sections ── */
.dark{background:radial-gradient(ellipse at 50% 0%,var(--navy3) 0%,var(--navy) 60%);color:var(--cream)}
.dark .kicker{color:var(--gold-l)}

/* ── form: การ์ดจัดกลุ่ม ── */
.fs{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 18px 4px;margin-bottom:14px;
  box-shadow:0 1px 3px rgba(42,42,51,.04)}
.fs-title{display:flex;align-items:center;gap:12px;font-size:.82rem;font-weight:600;color:var(--gold-d);margin-bottom:14px}
.fs-title::after{content:"";flex:1;height:1px;background:var(--line)}
.fs-note{font-size:.8rem;color:var(--muted);line-height:1.65;margin:-6px 0 14px}

/* ── form: fields ── */
.field{margin-bottom:16px;min-width:0}
.field>label:not(.check){display:block;font-weight:600;font-size:.9rem;margin-bottom:7px;color:var(--ink);line-height:1.5}
.field label .opt{font-weight:400;color:var(--muted);font-size:.8rem}
.hint{font-size:.8rem;color:var(--muted);font-weight:400;line-height:1.6}
.field .hint{margin-top:6px}
.field input[type=text],.field input[type=email],.field input[type=tel],.field input[type=password],
.field select,.field textarea{
  width:100%;font-family:'Sarabun',sans-serif;font-size:1rem;color:var(--ink);
  background:#fff;border:1.5px solid var(--line);border-radius:12px;outline:none;
  transition:border-color .15s, box-shadow .15s}
/* ไทยใน input: สระซ้อน (อี+อ้) สูงเกิน ascent ของฟอนต์ — line-height ปกติจะโดน clip (Safari ชัดสุด)
   ทางแก้: ทำ line box สูงเท่า content ของกล่อง (--ctl-h ลบขอบ 1.5px×2) ให้มี headroom เต็มที่ */
.field input[type=text],.field input[type=email],.field input[type=tel],.field input[type=password],
.field select{height:var(--ctl-h);padding:0 16px;line-height:calc(var(--ctl-h) - 3px)}
.field textarea{min-height:96px;padding:12px 16px;resize:vertical;line-height:1.7}
.field select{
  appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:44px;
  background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="9" viewBox="0 0 14 9"><path d="M1 1l6 6 6-6" fill="none" stroke="%239a762e" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>');
  background-repeat:no-repeat;background-position:right 16px center;background-size:13px}
.field input::placeholder,.field textarea::placeholder{color:#b9ac93}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);box-shadow:var(--ring)}
.field input:disabled{background:#F6F0E1;color:#a99c82;cursor:not-allowed}
.field.error input,.field.error select{border-color:var(--warn);box-shadow:var(--ring-err)}
.field .err-msg{display:none;color:var(--warn);font-size:.8rem;margin-top:6px}
.field .err-msg::before{content:"✗ "}
.field.error .err-msg{display:block}

/* ── form: grid — สองคอลัมน์เท่ากัน · มือถือพับเป็นคอลัมน์เดียว (ยกเว้น .keep) ── */
.row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px;align-items:start}
.row>.field{min-width:0}

/* ── checkbox ── */
.check{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;cursor:pointer;line-height:1.6;font-weight:400;
  background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;
  transition:border-color .15s, background .15s}
.check:has(input:checked){border-color:var(--gold);background:#FDF9EF}
.check input{width:19px;height:19px;margin-top:3px;accent-color:var(--gold-d);flex:none;cursor:pointer}
.check.plain{border:none;background:none;padding:8px 2px 0;font-size:.88rem;color:var(--muted)}
.check.plain:has(input:checked){color:var(--ink)}

/* ── price strip (step 1) ── */
.price-strip{display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  background:linear-gradient(135deg,#FFFDF7,#FBF3E2);border:1.5px solid var(--gold);border-radius:12px;
  padding:12px 18px;margin:2px 0 16px}
.price-strip .pl{font-size:.9rem;font-weight:600;color:var(--muted)}
.price-strip .pv{font-family:'Trirong',serif;font-size:1.35rem;font-weight:600;color:var(--gold-d);white-space:nowrap}
.price-strip .pd{font-size:.78rem;color:var(--muted);text-align:right;line-height:1.5}

/* ── cards / notices ── */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.notice{border-left:4px solid var(--gold);background:#fff;border-radius:0 12px 12px 0;
  padding:14px 16px;font-size:.92rem;color:var(--muted);line-height:1.75}
.notice.ok{border-left-color:var(--ok)}
.notice.warn{border-left-color:var(--warn)}

/* ── step progress ── */
.steps{display:flex;justify-content:center;gap:0;margin:26px 0 28px}
.steps .st{display:flex;flex-direction:column;align-items:center;width:76px;position:relative;
  font-size:.72rem;color:#b3a480;white-space:nowrap}
.steps .st .dot{width:32px;height:32px;border-radius:50%;border:2px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;color:#b3a480;
  margin-bottom:6px;z-index:1;transition:background .2s,border-color .2s}
.steps .st:not(:first-child)::before{content:"";position:absolute;top:16px;right:50%;width:100%;height:2px;background:var(--line)}
.steps .st.done .dot,.steps .st.now .dot{border-color:var(--gold);background:var(--gold);color:#fff}
.steps .st.done:not(:first-child)::before,.steps .st.now:not(:first-child)::before{background:var(--gold)}
.steps .st.now{color:var(--gold-d);font-weight:600}

/* ── misc ── */
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:.75rem;font-weight:600}
.badge.gold{background:var(--gold);color:#fff}
.badge.gray{background:#EDE4CF;color:var(--muted)}
.badge.green{background:var(--ok);color:#fff}
.badge.red{background:var(--warn);color:#fff}
.center{text-align:center}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:36px}
.hidden{display:none!important}
.spin{display:inline-block;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);
  border-top-color:#fff;border-radius:50%;animation:sp 0.8s linear infinite;vertical-align:middle}
@keyframes sp{to{transform:rotate(360deg)}}

@media(max-width:560px){
  .row{grid-template-columns:1fr}
  .row.keep{grid-template-columns:1fr 1fr}   /* คู่ช่องสั้น (วันเกิด|เวลา) คงสองคอลัมน์บนมือถือ */
  .btn{width:100%}
  .steps .st{width:56px;font-size:.66rem}
  .fs{padding:16px 14px 2px}
  .price-strip{flex-wrap:wrap}
}