/* หน้าแรกสาธารณะ: แนวธนบัตร/ใบเสร็จธนาคาร — หมึกน้ำเงินเข้ม, เขียวแถบความปลอดภัย, ทองฟอยล์ใช้น้อย
   จุดเด่นเดียว: ใบเสร็จสลิปที่ "ผ่านการตรวจ" พร้อมตราประทับ บนพื้นลายกิโยเช */
body.site { margin: 0; background: var(--bg); }
.s-top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px; padding: 12px clamp(16px, 4vw, 48px);
  background: var(--ink); color: #E6EDF3; border-bottom: 3px solid; border-image: linear-gradient(90deg, var(--mint) 65%, var(--gold-2) 65%) 1; }
.s-brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .14em; }
.s-nav { display: flex; gap: 22px; margin-left: 18px; }
.s-nav a { color: #C9D6E3; text-decoration: none; font-size: 15px; }
.s-nav a:hover { color: #fff; }
.s-act { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.s-act select { background: transparent; color: #E6EDF3; border: 1px solid rgba(255, 255, 255, .25); border-radius: 10px; padding: 7px 10px; min-height: 0; width: auto; }
.s-act select option { color: #0F1E33; }
.s-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-weight: 600; text-decoration: none;
  border: 1px solid var(--line-2); color: var(--text); background: var(--panel); }
.s-btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; box-shadow: 0 10px 24px -12px rgba(11, 122, 99, .7); }
.s-btn.primary:hover { background: var(--primary-hover); }
.s-btn.ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .35); padding: 8px 14px; }
.s-btn.big { padding: 16px 28px; font-size: 17px; }

.s-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(24px, 5vw, 64px); align-items: center;
  padding: clamp(40px, 8vw, 96px) clamp(16px, 5vw, 64px) clamp(36px, 6vw, 72px); max-width: 1240px; margin: 0 auto; }
.s-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--primary); font-weight: 600; margin: 0 0 14px; }
.s-kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(31, 181, 143, .18); }
.s-hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.15; margin: 0; letter-spacing: -.01em; color: var(--ink); max-width: 16ch; }
:root[data-theme="dark"] .s-hero h1 { color: #fff; }
.s-lead { font-size: clamp(16px, 1.6vw, 19px); color: var(--muted); max-width: 52ch; margin: 18px 0 26px; line-height: 1.65; }
.s-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.s-proof { list-style: none; padding: 0; margin: 22px 0 0; display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.s-proof li::before { content: "✓ "; color: var(--primary); font-weight: 700; }

/* ใบเสร็จสลิปที่ผ่านการตรวจ */
.s-hero-art { position: relative; }
.receipt { position: relative; background: #FFFEFA url(/static/guilloche.svg) center / 420px auto no-repeat; border-radius: 18px; padding: 24px 24px 20px;
  box-shadow: 0 30px 60px -28px rgba(14, 26, 43, .45), 0 0 0 1px rgba(14, 26, 43, .06); color: #0F1E33; transform: rotate(-1.5deg); max-width: 420px; margin-left: auto; }
.receipt::after { content: ""; position: absolute; left: 18px; right: 18px; bottom: -8px; height: 16px;
  background: radial-gradient(circle at 8px 0, transparent 7px, #FFFEFA 8px) 0 0 / 16px 16px repeat-x; }
.r-head { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: #566577; }
.r-stamp { border: 2px solid #0B7A63; color: #0B7A63; border-radius: 8px; padding: 4px 10px; font-weight: 800; letter-spacing: .08em; transform: rotate(6deg); background: rgba(226, 244, 236, .85); }
.r-amt { font-size: 44px; font-weight: 700; margin: 14px 0 12px; letter-spacing: -.01em; }
.r-rows { display: grid; gap: 6px; font-size: 14px; border-top: 1px dashed #BFCCC4; border-bottom: 1px dashed #BFCCC4; padding: 12px 0; }
.r-rows div { display: flex; justify-content: space-between; }
.r-rows span { color: #566577; }
.r-checks { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; font: 600 12px/1 var(--mono); color: #0B7A4E; }
.r-checks span { background: #E2F4EC; padding: 5px 8px; border-radius: 6px; }
.r-code { background: #0B1626; color: #C9F2E3; border-radius: 14px; padding: 14px 16px; font: 13px/1.55 var(--mono); margin: 22px 0 0; overflow-x: auto; white-space: pre; box-shadow: 0 20px 40px -24px rgba(0, 0, 0, .6); }
.s-hero-art .r-code { max-width: 360px; margin: -22px 0 0 0; position: relative; }

.s-sec { max-width: 1240px; margin: 0 auto; padding: clamp(36px, 6vw, 72px) clamp(16px, 5vw, 64px); }
.s-sec h2, .s-band h2, .s-final h2 { font-size: clamp(26px, 3.2vw, 36px); margin: 0; letter-spacing: -.01em; }
.s-sub { color: var(--muted); margin: 8px 0 26px; font-size: 16px; }
.s-group h3 { font-size: 15px; color: var(--muted); margin: 26px 0 12px; font-weight: 600; }
.s-cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.s-card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.s-card-head { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.s-card-head strong { font-size: 16.5px; line-height: 1.3; }
.s-card p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.6; }
.s-soon { position: absolute; top: 14px; right: 14px; font-size: 12px; background: var(--warn-bg); color: var(--warn); padding: 3px 8px; border-radius: 99px; }

.s-steps { list-style: none; counter-reset: st; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.s-steps li { counter-increment: st; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 20px 20px 18px; display: grid; gap: 6px; }
.s-steps li::before { content: counter(st); width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: var(--gold-2); font-weight: 700; margin-bottom: 6px; }
.s-steps b { font-size: 17px; }
.s-steps span { color: var(--muted); font-size: 14.5px; }

.s-band { background: var(--ink) url(/static/guilloche.svg) right -120px center / 720px auto no-repeat; color: #E6EDF3; }
.s-band-in { max-width: 1240px; margin: 0 auto; padding: clamp(40px, 7vw, 80px) clamp(16px, 5vw, 64px); }
.s-sec-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); margin-top: 28px; }
.s-sec-grid > div { background: rgba(255, 255, 255, .05); border: 1px solid rgba(226, 196, 104, .22); border-radius: 16px; padding: 18px; }
.s-sec-grid .si { font-size: 24px; display: block; margin-bottom: 8px; }
.s-sec-grid b { font-size: 16.5px; color: #fff; }
.s-sec-grid p { margin: 6px 0 0; color: #AFC0D1; font-size: 14.5px; line-height: 1.6; }

.s-prices { display: grid; gap: 10px; }
.s-price { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .8fr) minmax(0, 1.2fr); gap: 14px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; }
.s-pname { display: flex; gap: 10px; align-items: center; }
.s-pfee, .s-puse { display: grid; gap: 2px; font-size: 14px; }
.s-pfee .muted, .s-puse > .muted { font-size: 12px; }
@media (max-width: 720px) { .s-price { grid-template-columns: 1fr 1fr; } .s-pname { grid-column: 1 / -1; } }

.s-dev { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: center; }
.s-dev p { color: var(--muted); font-size: 16px; }
.s-links a { font-weight: 600; }
.s-final { text-align: center; padding: clamp(40px, 7vw, 84px) 16px; background: linear-gradient(180deg, transparent, var(--ok-bg)); display: grid; gap: 20px; justify-items: center; }
.s-foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 22px clamp(16px, 5vw, 64px); background: var(--ink); color: #AFC0D1; font-size: 14px; }
.s-foot div { display: flex; gap: 8px; align-items: center; }
.s-foot-links { gap: 18px !important; }
.s-foot a { color: #C9D6E3; }

@media (max-width: 900px) {
  .s-hero { grid-template-columns: 1fr; }
  .receipt { margin: 8px auto 0; }
  .s-hero-art .r-code { margin: -16px auto 0; }
  .s-nav { display: none; }
  .s-dev { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: no-preference) {
  .receipt { animation: rIn .7s cubic-bezier(.2, .8, .2, 1) both; }
  .r-stamp { animation: stamp .45s .55s cubic-bezier(.3, 1.6, .5, 1) both; }
}
@keyframes rIn { from { opacity: 0; transform: translateY(18px) rotate(-1.5deg); } to { opacity: 1; transform: rotate(-1.5deg); } }
@keyframes stamp { from { opacity: 0; transform: scale(1.8) rotate(6deg); } to { opacity: 1; transform: scale(1) rotate(6deg); } }
body.site main { max-width: none; padding: 0; margin: 0; }
.s-hero-art .r-code { margin: 18px 0 0 auto; }
@media (max-width: 900px) { .s-hero-art .r-code { margin: 18px auto 0; } }
/* หน้าเอกสารทั่วไป (นโยบาย / เงื่อนไข / รหัส error) */
body.doc-page main.doc-card { max-width: 820px; margin: 28px auto 48px; padding: clamp(20px, 4vw, 40px); background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
body.doc-page main.doc-card h1 { font-size: clamp(26px, 3.4vw, 34px); margin: 6px 0 18px; }
body.doc-page main.doc-card h2 { font-size: 19px; margin: 26px 0 8px; padding-top: 18px; border-top: 1px solid var(--line); }
body.doc-page .errors section { border-top: 1px solid var(--line); padding: 10px 0; scroll-margin-top: 80px; }
body.doc-page .errors section h2 { border: 0; padding: 0; margin: 6px 0 4px; font: 700 16px/1.4 var(--mono); }
body.doc-page .errors section h2 small { font: 400 13px var(--font); color: var(--muted); margin-left: 8px; }
body.doc-page .errors section:target { background: var(--warn-bg); border-radius: 10px; padding: 10px 12px; }
@media (max-width: 860px) { body.doc-page main.doc-card { margin: 16px 12px 32px; } }