/* ============================================================
   송도국제명품감정원 — style.css
   Palette: 크림 화이트 × 잉크 블랙 × 샴페인 골드 (감정서 모티프)
   ============================================================ */
:root{
  --paper:#FBFAF7;
  --surface:#F4F1EA;
  --ink:#141210;
  --dark:#1B1916;
  --dark-2:#242019;
  --gold:#A8894E;
  --gold-soft:#C9B183;
  --gold-pale:#EFE7D6;
  --line:#E6E1D6;
  --line-dark:#3A352C;
  --muted:#6E6A61;
  --serif:'Noto Serif KR','Apple SD Gothic Neo',serif;
  --sans:'Pretendard Variable',Pretendard,'Apple SD Gothic Neo',sans-serif;
  --mo-accent:var(--gold);
  --mo-dur:.65s;
  --mo-shift:26px;
  --header-h:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.65;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--gold-pale);color:var(--ink)}

.serif{font-family:var(--serif)}
.container{width:min(100% - 2.5rem,1160px);margin-inline:auto}
.section-pad{padding-block:clamp(3.5rem,9vw,7.5rem)}

/* ---------- 아이브로우 / 섹션 헤드 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.65rem;
  font-size:.78rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold);font-weight:600;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.sec-head{margin-bottom:clamp(2rem,5vw,3.5rem)}
.sec-head h2{font-family:var(--serif);font-size:clamp(1.6rem,3.6vw + .4rem,2.7rem);letter-spacing:-.01em;margin-top:.9rem}
.sec-head .lead{margin-top:1rem;color:var(--muted);font-size:clamp(.98rem,1vw + .6rem,1.12rem);max-width:56ch}
.sec-head.center{text-align:center}
.sec-head.center .lead{margin-inline:auto}
.sec-head.center .eyebrow::after{content:"";width:34px;height:1px;background:var(--gold)}

/* ---------- 감정서 프레임 (시그니처) ---------- */
.cert-frame{position:relative;border:1px solid var(--line);padding:clamp(1.8rem,4vw,3.2rem)}
.cert-frame::before{
  content:"";position:absolute;inset:8px;border:1px solid var(--gold-soft);
  pointer-events:none;opacity:.65;
}
.cert-corner{position:absolute;width:14px;height:14px;border-color:var(--gold);border-style:solid;opacity:.9}
.cert-corner.tl{top:-1px;left:-1px;border-width:2px 0 0 2px}
.cert-corner.tr{top:-1px;right:-1px;border-width:2px 2px 0 0}
.cert-corner.bl{bottom:-1px;left:-1px;border-width:0 0 2px 2px}
.cert-corner.br{bottom:-1px;right:-1px;border-width:0 2px 2px 0}
.on-dark .cert-frame{border-color:var(--line-dark)}
.on-dark .cert-frame::before{border-color:rgba(201,177,131,.4)}

/* ---------- 헤더 ---------- */
header.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1000;
  padding:1.05rem 0;background:transparent;
}
header.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;min-width:0}
.brand svg{flex:0 0 auto}
.brand .brand-txt{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand .brand-kr{font-family:var(--serif);font-weight:700;font-size:1.06rem;letter-spacing:.02em;white-space:nowrap}
.brand .brand-en{font-size:.55rem;letter-spacing:.18em;color:var(--muted);white-space:nowrap}
.gnb{display:flex;align-items:center;gap:clamp(1.1rem,2.2vw,2rem)}
.gnb a{font-size:.95rem;font-weight:500;color:var(--ink)}
.gnb a.is-current{color:var(--gold);font-weight:700}
.gnb .nav-cta{
  padding:.62rem 1.25rem;background:var(--ink);color:#fff;font-weight:600;
  border-radius:999px;font-size:.9rem;transition:background .3s;
}
.gnb .nav-cta:hover{background:var(--gold)}
.nav-toggle{
  display:none;width:44px;height:44px;background:none;border:0;position:relative;z-index:1102;
}
.nav-toggle span{
  display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;
  transition:transform .35s var(--mo-ease),opacity .3s;
}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 모바일 풀스크린 메뉴 */
.mobile-menu{
  position:fixed;inset:0;z-index:1100;background:var(--paper);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:1.4rem;
  opacity:0;visibility:hidden;transition:opacity .4s var(--mo-ease),visibility .4s;
}
body.nav-open .mobile-menu{opacity:1;visibility:visible}
.mobile-menu a{
  font-family:var(--serif);font-size:1.6rem;font-weight:700;
  opacity:0;transform:translateY(18px);
  transition:opacity .5s var(--mo-ease),transform .5s var(--mo-ease);
}
body.nav-open .mobile-menu a{opacity:1;transform:none}
.mobile-menu a.is-current{color:var(--gold)}
.mobile-menu .mm-tel{font-family:var(--sans);font-size:1rem;color:var(--muted);margin-top:1rem}
body.nav-open{overflow:hidden}
body.nav-open .nav-toggle span{background:var(--ink)}

@media (max-width:860px){
  .gnb{display:none}
  .nav-toggle{display:block}
}

/* ---------- 히어로 ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding-top:calc(var(--header-h) + 2rem);padding-bottom:3rem;overflow:hidden;
}
.hero-bg-mark{
  position:absolute;right:-12%;top:6%;width:min(62vw,760px);opacity:.05;pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;
}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}}
.hero h1{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(2.3rem,5.4vw + .6rem,4.3rem);letter-spacing:-.015em;line-height:1.16;
}
.hero h1 .gold{color:var(--gold)}
.hero .hero-sub{
  margin-top:1.4rem;color:var(--muted);
  font-size:clamp(1rem,1.1vw + .65rem,1.22rem);max-width:46ch;
}
.hero-cta{margin-top:2.2rem;display:flex;flex-wrap:wrap;gap:.9rem}
.hero-badges{margin-top:2.6rem;display:flex;flex-wrap:wrap;gap:.6rem}
.hero-badges span{
  font-size:.8rem;font-weight:600;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:.42rem .9rem;background:#fff9;
}

/* 로드 시퀀스 */
.hero [data-load]{opacity:0;transform:translateY(26px);transition:opacity .8s var(--mo-ease),transform .8s var(--mo-ease)}
body.is-loaded .hero [data-load]{opacity:1;transform:none}
body.is-loaded .hero [data-load="1"]{transition-delay:.05s}
body.is-loaded .hero [data-load="2"]{transition-delay:.18s}
body.is-loaded .hero [data-load="3"]{transition-delay:.32s}
body.is-loaded .hero [data-load="4"]{transition-delay:.46s}
body.is-loaded .hero [data-load="5"]{transition-delay:.6s}

/* 감정 카드 (히어로 우측) */
.appraisal-card{
  position:relative;background:#fff;border:1px solid var(--line);
  box-shadow:0 30px 70px rgba(20,18,16,.14);padding:14px;
}
.appraisal-card .ac-img{position:relative;overflow:hidden}
.appraisal-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scanline{
  position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold-soft),transparent);
  box-shadow:0 0 18px 4px rgba(201,177,131,.55);
  animation:scan 3.2s cubic-bezier(.45,0,.55,1) 1s 2;opacity:0;
}
@keyframes scan{
  0%{top:0;opacity:0}8%{opacity:1}92%{opacity:1}100%{top:99%;opacity:0}
}
.appraisal-card .ac-meta{
  display:flex;justify-content:space-between;align-items:center;
  padding:.9rem .4rem .4rem;font-size:.78rem;letter-spacing:.14em;color:var(--muted);
}
.stamp{
  position:absolute;right:9%;bottom:16%;z-index:3;
  width:112px;height:112px;border-radius:50%;
  display:grid;place-items:center;text-align:center;
  border:2.5px solid var(--gold);color:var(--gold);
  font-family:var(--serif);font-weight:900;font-size:.86rem;letter-spacing:.1em;line-height:1.3;
  background:rgba(251,250,247,.82);backdrop-filter:blur(2px);
  transform:scale(2.2) rotate(14deg);opacity:0;
}
body.is-loaded .stamp{animation:stampIn .55s cubic-bezier(.2,1.6,.4,1) 2.5s forwards}
@keyframes stampIn{
  0%{transform:scale(2.2) rotate(14deg);opacity:0}
  60%{transform:scale(.94) rotate(-7deg);opacity:1}
  100%{transform:scale(1) rotate(-8deg);opacity:1}
}
.stamp small{display:block;font-family:var(--sans);font-weight:600;font-size:.62rem;letter-spacing:.2em}

/* ---------- 버튼 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.95rem 1.9rem;border-radius:999px;font-weight:700;font-size:.98rem;
  transition:background .3s,color .3s,border-color .3s,transform .3s,box-shadow .3s;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--gold);box-shadow:0 10px 26px rgba(168,137,78,.35)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--ink)}
.on-dark .btn-outline{border-color:var(--gold-soft);color:var(--gold-soft)}
.on-dark .btn-outline:hover{background:var(--gold-soft);color:var(--ink)}

/* ---------- 다크 섹션 ---------- */
.on-dark{background:var(--dark);color:#EDEAE3}
.on-dark .sec-head h2{color:#fff}
.on-dark .lead,.on-dark p.muted{color:#A9A498}
.on-dark .eyebrow{color:var(--gold-soft)}
.on-dark .eyebrow::before,.on-dark.center .eyebrow::after{background:var(--gold-soft)}

/* ---------- 신뢰 수치 스트립 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;text-align:center}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr);gap:2rem 1rem}}
.stat b{
  font-family:var(--serif);font-size:clamp(2rem,3.4vw + .8rem,3.2rem);
  font-weight:900;color:#fff;display:block;line-height:1.1;
}
.stat b em{font-style:normal;color:var(--gold-soft);font-size:.6em;margin-left:.15em}
.stat span{display:block;margin-top:.45rem;font-size:.88rem;color:#A9A498;letter-spacing:.06em}

/* ---------- 카드 ---------- */
.card{
  background:#fff;border:1px solid var(--line);padding:2rem 1.7rem;
  display:flex;flex-direction:column;gap:.9rem;position:relative;
}
.card .card-ic{
  width:52px;height:52px;border:1px solid var(--gold-soft);border-radius:50%;
  display:grid;place-items:center;color:var(--gold);
}
.card h3{font-family:var(--serif);font-size:1.22rem}
.card p{color:var(--muted);font-size:.95rem}
.card .card-link{margin-top:auto;font-weight:700;font-size:.88rem;color:var(--gold);letter-spacing:.04em}

/* ---------- 마퀴 ---------- */
.brand-marquee{border-block:1px solid var(--line);padding-block:1.2rem;background:var(--surface)}
.brand-marquee .mq-track{display:inline-flex;align-items:center}
.brand-marquee span{
  font-family:var(--serif);font-size:1.05rem;letter-spacing:.3em;color:var(--muted);
  padding-inline:1.9rem;white-space:nowrap;
}
.brand-marquee span::after{content:"·";color:var(--gold-soft);margin-left:3.8rem}

/* ---------- 수수료 표 ---------- */
.fee-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.6rem}
.fee-tabs button{
  padding:.7rem 1.5rem;border:1px solid var(--line);background:#fff;border-radius:999px;
  font-weight:600;font-size:.95rem;color:var(--muted);transition:all .3s;
}
.fee-tabs button.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.fee-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
.fee-table th{
  font-family:var(--serif);text-align:left;padding:1rem 1.3rem;font-size:.9rem;
  letter-spacing:.08em;color:var(--gold);border-bottom:1px solid var(--line);background:var(--surface);
}
.fee-table td{padding:.85rem 1.3rem;border-bottom:1px solid var(--line);font-size:.96rem}
.fee-table tr:last-child td{border-bottom:0}
.fee-table td:last-child{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.fee-note{margin-top:1rem;font-size:.85rem;color:var(--muted)}
.table-scroll{overflow-x:auto}

/* ---------- 스텝 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:step}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border:1px solid var(--line);padding:1.8rem 1.5rem;position:relative}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--serif);font-size:2rem;font-weight:900;color:var(--gold-pale);
  -webkit-text-stroke:1px var(--gold-soft);display:block;margin-bottom:.8rem;line-height:1;
}
.step h3{font-size:1.05rem;margin-bottom:.5rem}
.step p{font-size:.9rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq [data-accordion-item]{border-bottom:1px solid var(--line)}
.faq button{
  width:100%;background:none;border:0;text-align:left;
  padding:1.4rem .4rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  font-size:1.05rem;font-weight:700;color:var(--ink);
}
.faq button::after{
  content:"+";font-family:var(--serif);font-size:1.5rem;font-weight:400;color:var(--gold);
  transition:transform .35s var(--mo-ease);flex:0 0 auto;
}
.faq .is-open button::after{transform:rotate(45deg)}
.faq [data-accordion-panel] p{padding:0 .4rem 1.5rem;color:var(--muted);max-width:70ch}

/* ---------- 미디어 스플릿 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr}}
.split .split-img{position:relative}
.split .split-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split .split-img::after{
  content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--gold-soft);
  z-index:-1;opacity:.7;
}

/* ---------- 인용/스토리 ---------- */
.story-quote{
  font-family:var(--serif);font-size:clamp(1.15rem,1.6vw + .7rem,1.55rem);
  line-height:1.75;font-weight:500;color:#EDEAE3;
}
.story-quote strong{color:var(--gold-soft);font-weight:700}

/* ---------- CTA 밴드 ---------- */
.cta-band{position:relative;overflow:hidden}
.cta-band .cta-inner{text-align:center;position:relative;z-index:1}
.cta-band h2{font-family:var(--serif);font-size:clamp(1.7rem,3.6vw + .5rem,2.9rem);color:#fff}
.cta-band p{margin-top:1rem;color:#A9A498}
.cta-band .hero-cta{justify-content:center}
.cta-mark{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:520px;opacity:.05;pointer-events:none}

/* ---------- 페이지 서브히어로 ---------- */
.page-hero{
  padding-top:calc(var(--header-h) + clamp(3rem,7vw,5.5rem));
  padding-bottom:clamp(2.5rem,6vw,4.5rem);
  background:var(--surface);border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.page-hero .hero-bg-mark{right:-6%;top:-30%;width:420px;opacity:.06}
.page-hero h1{font-family:var(--serif);font-size:clamp(1.9rem,4vw + .5rem,3.2rem);margin-top:.9rem}
.page-hero .lead{margin-top:1rem;color:var(--muted);max-width:60ch}
.breadcrumb{font-size:.82rem;color:var(--muted);letter-spacing:.06em;margin-bottom:1.2rem}
.breadcrumb a:hover{color:var(--gold)}

/* ---------- 인포 그리드 (location/contact) ---------- */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:1.2rem}
.info-card{background:#fff;border:1px solid var(--line);padding:1.7rem 1.5rem}
.info-card h3{font-size:.85rem;letter-spacing:.18em;color:var(--gold);margin-bottom:.9rem;font-weight:700}
.info-card p,.info-card li{font-size:.97rem}
.info-card li{display:flex;justify-content:space-between;padding:.45rem 0;border-bottom:1px dashed var(--line)}
.info-card li:last-child{border-bottom:0}
.info-card li span:last-child{font-weight:600}
.info-card li.off span:last-child{color:#B0483C}

/* ---------- 폼 ---------- */
.form-wrap{max-width:680px;margin-inline:auto}
.field{margin-bottom:1.3rem}
.field label{display:block;font-weight:700;font-size:.92rem;margin-bottom:.5rem}
.field label .req{color:var(--gold)}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;padding:.95rem 1.1rem;border:1px solid var(--line);background:#fff;
  font:inherit;color:var(--ink);border-radius:0;transition:border-color .3s,box-shadow .3s;
}
.field textarea{min-height:150px;resize:vertical}
.field :is(input,select,textarea):focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(168,137,78,.15);
}
.consent{
  display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;
  background:var(--surface);border:1px solid var(--line);padding:1rem 1.1rem;
}
.consent input{margin-top:.25rem;accent-color:var(--gold)}
.consent-detail{margin-top:.7rem;font-size:.82rem;color:var(--muted);display:none;line-height:1.7}
.consent-detail.show{display:block}
.consent .toggle-detail{background:none;border:0;color:var(--gold);font-weight:700;font-size:.82rem;padding:0;text-decoration:underline}
#form-msg{margin-top:1rem;font-weight:600;font-size:.95rem;min-height:1.4em}
#form-msg.ok{color:#3F7A44}
#form-msg.err{color:#B0483C}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- 지도/주소 ---------- */
.addr-line{display:flex;flex-wrap:wrap;align-items:center;gap:.8rem;font-size:1.05rem;font-weight:600}
.copy-btn{
  border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:.35rem .95rem;font-size:.8rem;font-weight:600;color:var(--muted);transition:all .3s;
}
.copy-btn:hover{border-color:var(--gold);color:var(--gold)}
.map-links{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.3rem}
.map-links a{
  flex:1;min-width:200px;display:flex;align-items:center;justify-content:center;gap:.6rem;
  border:1px solid var(--line);background:#fff;padding:1.05rem;font-weight:700;font-size:.95rem;
  transition:all .3s;
}
.map-links a:hover{border-color:var(--gold);color:var(--gold);transform:translateY(-3px);box-shadow:0 12px 26px rgba(20,18,16,.08)}

/* ---------- FAB ---------- */
.fab-group{position:fixed;right:16px;bottom:78px;display:flex;flex-direction:column;gap:10px;z-index:900}
.fab{
  width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(0,0,0,.22);transition:transform .3s;
}
.fab:hover{transform:translateY(-3px)}
.fab-call{background:var(--ink);color:#fff}
.fab-naver{background:#03C75A;color:#fff;font-weight:900;font-size:1.25rem;font-family:var(--sans)}
.fab-blog{background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:800;font-size:.72rem;letter-spacing:.04em}

/* ---------- 푸터 ---------- */
footer.site-footer{background:var(--dark);color:#A9A498;font-size:.9rem}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1.4fr;gap:2.5rem;
  padding-block:clamp(3rem,6vw,4.5rem);
}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h3{color:#fff;font-size:.85rem;letter-spacing:.2em;margin-bottom:1.1rem;font-weight:700}
.f-brand .brand-kr{font-family:var(--serif);color:#fff;font-size:1.15rem;font-weight:700}
.f-brand .brand-en{font-size:.6rem;letter-spacing:.16em;margin-top:.2rem;color:#7B766B}
.f-brand p{margin-top:1.1rem;line-height:1.8}
.f-links li{margin-bottom:.55rem}
.f-links a:hover{color:var(--gold-soft)}
.f-info p{margin-bottom:.4rem;line-height:1.7}
.footer-legal{
  border-top:1px solid var(--line-dark);padding-block:1.4rem;
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.8rem;
  font-size:.83rem;
}
.footer-legal nav{display:flex;gap:1.4rem}
.footer-legal a:hover{color:var(--gold-soft)}
.footer-legal .privacy-link{font-weight:800;color:#EDEAE3}
.made-by a{color:var(--gold-soft);font-weight:700}
.made-by a:hover{text-decoration:underline}

/* ---------- 법적 페이지 ---------- */
.legal-body{max-width:820px;margin-inline:auto;font-size:.95rem}
.legal-body h2{font-family:var(--serif);font-size:1.25rem;margin:2.4rem 0 .8rem;color:var(--ink)}
.legal-body p,.legal-body li{color:#46423A;line-height:1.8}
.legal-body ul{list-style:disc;padding-left:1.3rem;margin:.5rem 0}
.legal-body table{width:100%;border-collapse:collapse;margin:.8rem 0;font-size:.9rem}
.legal-body th,.legal-body td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left}
.legal-body th{background:var(--surface)}

/* ---------- 유틸 ---------- */
.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mt-3{margin-top:3rem}
.center{text-align:center}
p.muted{color:var(--muted)}
.badge-gold{
  display:inline-block;background:var(--gold-pale);color:var(--gold);
  font-size:.75rem;font-weight:800;letter-spacing:.08em;padding:.3rem .8rem;border-radius:999px;
}
.auto-grid{display:grid;gap:clamp(1rem,2vw,1.6rem);grid-template-columns:repeat(auto-fit,minmax(min(100%,255px),1fr))}

@media (max-width:520px){
  .stamp{width:92px;height:92px;font-size:.74rem}
  .hero{min-height:auto}
}