/* Hallmark DNA stamp : R5 Black Gold Vertical Feature List (Crest + Left Feature Ledger), superslot-th.org, single-hue gold 55, true black paper */
:root{
  --paper:oklch(7% 0 0);
  --panel:oklch(11% 0.006 55);
  --panel2:oklch(14% 0.01 55);
  --line:oklch(24% 0.03 55);
  --ink:oklch(93% 0.02 90);
  --ink-dim:oklch(70% 0.02 80);
  --gold:oklch(78% 0.15 55);
  --gold-soft:oklch(70% 0.12 55);
  --gold-dim:oklch(50% 0.09 55);
  --radius:14px;
  --maxw:1180px;
  --disp:'Marcellus',serif;
  --body:'IBM Plex Sans Thai','Noto Sans Thai',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--paper);overflow-x:clip}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--body);line-height:1.7;font-size:16px;
  overflow-x:clip;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold);text-decoration:none}
a:hover{color:var(--gold-soft);text-decoration:underline}
h1,h2,h3{font-family:var(--disp);color:var(--gold);line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(1.7rem,4vw,2.6rem)}
h2{font-size:clamp(1.25rem,2.6vw,1.75rem)}
h3{font-size:1.05rem;color:var(--ink)}
p{margin:0 0 1em;color:var(--ink-dim)}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.btn{
  display:inline-flex;align-items:center;gap:.4em;white-space:nowrap;
  padding:.7em 1.4em;border-radius:999px;border:1px solid var(--gold);
  background:var(--gold);color:#100c02;font-weight:700;font-size:.92rem;
}
.btn:hover{background:var(--gold-soft);color:#100c02;text-decoration:none}
.btn-line{background:transparent;color:var(--gold)}
@media (prefers-reduced-motion:no-preference){
  .glow{animation:glowPulse 3.4s ease-in-out infinite}
}
@keyframes glowPulse{
  0%,100%{filter:drop-shadow(0 0 2px rgba(227,179,65,.35))}
  50%{filter:drop-shadow(0 0 9px rgba(227,179,65,.75))}
}
@media (prefers-reduced-motion:reduce){
  .glow{animation:none}
}

/* ===== Crest masthead (nav) N21 ===== */
.crest{
  border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--panel),var(--paper));
}
.crest-in{
  max-width:var(--maxw);margin:0 auto;padding:16px 20px;
  display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto auto;
  align-items:center;column-gap:16px;row-gap:6px;
}
.crest-mark{grid-row:1 / span 2;display:flex;align-items:center;gap:10px;white-space:nowrap}
.crest-mark svg{width:38px;height:38px;flex:0 0 auto}
.crest-mark .crest-name{font-family:var(--disp);color:var(--gold);font-size:1.15rem;letter-spacing:.02em;white-space:nowrap}
.crest-nav{grid-column:2;display:flex;gap:18px;flex-wrap:wrap;font-size:.92rem}
.crest-nav a{white-space:nowrap;color:var(--ink)}
.crest-nav a:hover{color:var(--gold)}
.crest-desc{grid-column:3;grid-row:1/span 2;text-align:right;max-width:280px;font-size:.82rem;color:var(--ink-dim);margin:0}

/* ===== hero row: feature ledger + hero figure ===== */
.hero-row{
  max-width:var(--maxw);margin:0 auto;padding:36px 20px 10px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:start;
}
@media (max-width:860px){.hero-row{grid-template-columns:1fr}}
.ledger-wrap h2{margin-bottom:.6em}
.ledger{display:flex;flex-direction:column;gap:14px}
.ledger>li{
  display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;
  padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
}
.ledger-icon{
  width:44px;height:44px;border-radius:50%;border:1.4px solid var(--gold);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.ledger-icon svg{width:22px;height:22px}
.ledger h3{margin:0 0 .25em}
.ledger p{margin:0;font-size:.9rem}

.hero-figure{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:radial-gradient(circle at 50% 20%,var(--panel2),var(--panel) 70%);
  padding:22px 18px;
}
.hero-figure img{max-width:290px;border-radius:10px;border:1px solid var(--line)}
.hero-figure figcaption{font-size:.82rem;color:var(--ink-dim);text-align:center}

/* ===== panel-pair ===== */
.panels{max-width:var(--maxw);margin:30px auto 0;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:760px){.panels{grid-template-columns:1fr}}
.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:20px}
.panel h2{margin-bottom:.3em}
.panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}
.panel-grid figure{margin:0;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.panel-grid figure img{width:100%;aspect-ratio:3/4;object-fit:cover}
.panel-grid figcaption{padding:6px 8px;font-size:.78rem;color:var(--ink-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
  padding:.4em .8em;border:1px solid var(--line);border-radius:999px;
  font-size:.8rem;color:var(--ink-dim);white-space:nowrap;background:var(--panel2);
}

/* ===== triple row: howto / payment / why ===== */
.triple{max-width:var(--maxw);margin:30px auto 0;padding:0 20px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:920px){.triple{grid-template-columns:1fr}}
.card3{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:20px;min-width:0}

.howto{counter-reset:step;display:flex;flex-direction:column;gap:12px;margin-top:12px}
.howto>li{
  counter-increment:step;position:relative;padding-left:38px;min-height:30px;
}
.howto>li::before{
  content:counter(step);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;
  background:var(--gold);color:#100c02;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.85rem;
}
.howto h3{margin:0 0 .2em;font-size:.95rem}
.howto p{margin:0;font-size:.85rem}

.pay-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
.pay-card{border:1px solid var(--line);border-radius:10px;background:var(--panel2);padding:10px;text-align:center;min-width:0}
.pay-card svg{width:26px;height:26px;margin:0 auto 6px}
.pay-card h3{font-size:.85rem;margin:0 0 .2em;overflow-wrap:anywhere}
.pay-card p{font-size:.72rem;margin:0}

.why-check{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.why-check>li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--ink)}
.why-check svg{width:18px;height:18px;flex:0 0 auto;margin-top:2px}

/* ===== benefit pills ===== */
.pills{max-width:var(--maxw);margin:30px auto 0;padding:0 20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.pill{
  padding:.55em 1.3em;border-radius:999px;border:1px solid var(--gold);color:var(--gold);
  font-family:var(--disp);font-size:.95rem;white-space:nowrap;
}

/* ===== generic sub-page sections ===== */
.page-hero{max-width:var(--maxw);margin:0 auto;padding:34px 20px 6px}
.page-hero img{width:100%;max-height:260px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);margin-bottom:16px}
.section{max-width:var(--maxw);margin:26px auto 0;padding:0 20px}
.section-in{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:22px}
.point-list{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.point-list>li{padding-left:20px;position:relative;font-size:.92rem;color:var(--ink)}
.point-list>li::before{content:'◆';position:absolute;left:0;top:.05em;color:var(--gold);font-size:.7rem}
.child-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:10px}
.child-card{
  display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel2);padding:14px;min-width:0;
}
.child-card img{width:52px;height:52px;object-fit:cover;border-radius:10px}
.child-card h3{margin:0 0 .2em;font-size:.95rem}
.child-card p{margin:0;font-size:.8rem}
.qa-list{display:flex;flex-direction:column;gap:14px;margin-top:14px}
.qa-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:16px}
.qa-item h3{margin:0 0 .35em;font-size:.98rem;color:var(--gold)}
.qa-item p{margin:0;font-size:.9rem}

/* ===== giant domain band footer Ft18 ===== */
.ft-giant{
  margin-top:44px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--paper),var(--panel));padding:38px 20px 24px;text-align:center;
}
.ft-domain{
  font-family:var(--disp);color:var(--gold);
  font-size:clamp(2rem,8vw,4.4rem);letter-spacing:.01em;line-height:1;margin:0 0 14px;
  word-break:break-word;overflow-wrap:anywhere;
}
.ft-tag{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:16px}
.ft-tag span{
  font-size:.82rem;color:var(--ink-dim);padding:.3em .8em;border:1px solid var(--line);border-radius:999px;white-space:nowrap;
}
.ft-legal{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:14px;font-size:.85rem}
.ft-legal a{white-space:nowrap;color:var(--ink)}
.ft-legal a:hover{color:var(--gold)}
.ft-copy{font-size:.75rem;color:var(--ink-dim);margin:0}

/* ===== 404 ===== */
.notfound{max-width:720px;margin:60px auto;padding:0 20px;text-align:center}
.notfound img{max-width:220px;margin:0 auto 20px;border-radius:var(--radius);border:1px solid var(--line)}

/* CTA aff header (SOP5, agy 3.8-high) */
.crest-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1.25rem;
  font-family: var(--body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  color: var(--paper);
  background-color: var(--gold);
  border: 1px solid var(--gold-soft);
  border-radius: var(--radius);
  text-decoration: none;
  white-space: nowrap;
  box-sizing: border-box;
  flex-shrink: 0;
  box-shadow: 0 1px 2px oklch(0% 0 0 / 0.35);
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.crest-cta:hover {
  background-color: var(--gold-soft);
  border-color: var(--gold);
  color: var(--paper);
  transform: translateY(-1px);
}

.crest-cta:active {
  background-color: var(--gold-dim);
  border-color: var(--gold-dim);
  color: var(--paper);
  transform: translateY(0);
}

.crest-cta:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

@media (max-width: 430px) {
  .crest-cta {
    min-height: 44px;
    padding: 0 0.875rem;
    font-size: 0.875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .crest-cta {
    transition: none;
    transform: none;
  }
  .crest-cta:hover,
  .crest-cta:active {
    transform: none;
  }
}