/* 7k-play52.fun — архетип stamp (почтовые марки: зубчатые края, штемпели), ns .stm- */

:root{
  --bg:#0B0001;          /* фон: почти чёрный с красным подтоном */
  --surface:#110D0E;     /* панели, карточки */
  --surface-2:#252323;   /* вложенные блоки, строки таблиц */
  --deep:#2C0D14;        /* тёмно-бордовая подложка акцентных блоков */
  --deep-2:#2E070D;
  --red:#D1021B;         /* фирменный красный, главный акцент */
  --red-dark:#A71023;    /* низ градиента кнопок */
  --red-deep:#830B1A;    /* глубокий бордовый */
  --red-deeper:#7C0818;
  --wine:#5A0819;        /* тени и подложки */
  --active:#C9051D;      /* активное состояние категорий */
  --yellow:#F5C66B;      /* фирменное золото-песок */
  --gold:#C79E0C;        /* насыщенное золото */
  --gold-2:#CEA334;
  --gold-light:#FEDA95;
  --gold-pale:#F6EB76;
  --green:#2DD890;       /* успех, подтверждения */
  --text:#D1D1D1;
  --text-2:#DADADA;
  --muted:#B4B4B4;
  --muted-2:#8B8B8B;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:16px;
  line-height:1.72;
  overflow-x:hidden;
  -webkit-text-size-adjust:100%;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--yellow);text-decoration:none}
a:hover{color:var(--gold-light)}

h1,h2,h3,.stm-logo__name,.stm-kpi__val,.stm-mark{
  font-family:"Marmelad",Georgia,serif;
  font-weight:400;
  letter-spacing:.2px;
}

h1{font-size:clamp(28px,4.4vw,44px);line-height:1.18;margin:0 0 14px;color:var(--gold-light)}
h2{font-size:clamp(22px,3vw,31px);line-height:1.24;margin:0 0 16px;color:var(--yellow)}
h3{font-size:clamp(18px,2.2vw,22px);line-height:1.3;margin:26px 0 10px;color:var(--gold-2)}
p{margin:0 0 14px}

.stm-wrap{max-width:1160px;margin:0 auto;padding:0 16px}

/* ================= ПЕРФОРАЦИЯ: базовый зубчатый край ================= */
/* Зубцы имитируются точками цвета фона по четырём сторонам карточки. */
.stm-perf{
  position:relative;
  background:
    radial-gradient(circle 7px at 0 7px,var(--bg) 6px,transparent 6.5px) left top/14px 14px repeat-y,
    radial-gradient(circle 7px at 100% 7px,var(--bg) 6px,transparent 6.5px) right top/14px 14px repeat-y,
    var(--surface);
  border:1px solid rgba(199,158,12,.20);
}
.stm-perf::before,
.stm-perf::after{
  content:"";
  position:absolute;
  left:-1px;right:-1px;height:14px;
  pointer-events:none;
  background:radial-gradient(circle 7px at 7px 7px,var(--bg) 6px,transparent 6.5px) left top/14px 14px repeat-x;
}
.stm-perf::before{top:-7px}
.stm-perf::after{bottom:-7px}

/* штемпель */
.stm-mark{
  position:absolute;
  top:14px;right:16px;
  width:74px;height:74px;
  border-radius:50%;
  border:2px solid rgba(245,198,107,.42);
  color:var(--yellow);
  opacity:.5;
  transform:rotate(-13deg);
  display:grid;
  place-items:center;
  text-align:center;
  font-size:10px;
  line-height:1.15;
  letter-spacing:.6px;
  text-transform:uppercase;
  pointer-events:none;
}
.stm-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:50%;
  border:1px dashed rgba(245,198,107,.4);
}

/* ================= ШАПКА: кнопки слева, лого справа (зеркальная раскладка) ================= */
.stm-head{
  position:sticky;top:0;z-index:40;
  background:var(--surface);
  border-bottom:1px solid rgba(199,158,12,.28);
  box-shadow:0 8px 26px rgba(90,8,25,.45);
}
.stm-head__in{
  max-width:1160px;margin:0 auto;padding:10px 16px;
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;
}
.stm-head__btns{display:flex;align-items:center;gap:10px;order:1}
.stm-logo{display:flex;align-items:center;gap:10px;order:2;text-align:right}
.stm-logo__svg{flex:0 0 auto}
.stm-logo__name{font-size:21px;color:var(--gold-light);line-height:1.05}
.stm-logo__sub{display:block;font-family:"IBM Plex Sans",sans-serif;font-size:10.5px;letter-spacing:2.4px;text-transform:uppercase;color:var(--muted-2)}

.stm-btn{
  display:inline-block;
  padding:11px 20px;
  border-radius:10px;
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.3px;
  white-space:nowrap;
  border:1px solid transparent;
  transition:transform .15s ease,filter .15s ease;
}
.stm-btn:hover{transform:translateY(-1px);filter:brightness(1.07)}
.stm-btn--main{
  background:linear-gradient(180deg,#D1021B 0%,#A71023 100%);
  color:#fff;
  box-shadow:0 6px 18px rgba(209,2,27,.34);
}
.stm-btn--main:hover{color:#fff}
.stm-btn--ghost{
  background:transparent;
  border-color:var(--yellow);
  color:var(--yellow);
}
.stm-btn--wide{padding:15px 34px;font-size:16px}

/* ================= HERO ================= */
.stm-hero{
  padding:38px 0 8px;
  background:
    radial-gradient(760px 320px at 82% 0%,rgba(124,8,24,.55),transparent 70%),
    radial-gradient(520px 260px at 6% 26%,rgba(44,13,20,.8),transparent 72%);
}
.stm-hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.stm-hero__lead{font-size:17px;color:var(--text-2);margin-bottom:20px}
.stm-hero__pic{padding:12px}
.stm-hero__pic figcaption{margin-top:10px;font-size:12.5px;color:var(--muted-2);letter-spacing:.3px}

.stm-kpi{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
  margin:30px 0 26px;
}
.stm-kpi__i{padding:16px 14px;text-align:center}
.stm-kpi__val{display:block;font-size:24px;color:var(--gold-pale);line-height:1.15;margin-bottom:6px}
.stm-kpi__lbl{font-size:12.5px;color:var(--muted);letter-spacing:.2px}

.stm-cta{margin:26px 0 34px;text-align:center}
.stm-cta__note{display:block;margin-top:10px;font-size:13px;color:var(--muted-2)}

/* ================= СЕКЦИИ ================= */
.stm-sec{padding:34px 0 10px;border-top:1px solid rgba(199,158,12,.12)}
.stm-sec:first-of-type{border-top:0}
.stm-sec__lead{color:var(--text-2)}

/* зубчатый разделитель между секциями */
.stm-teeth{
  height:12px;
  margin:6px 0 0;
  background:radial-gradient(circle 6px at 6px 0,rgba(124,8,24,.85) 5.4px,transparent 5.8px) left top/12px 12px repeat-x;
  opacity:.75;
}

.stm-note{
  position:relative;
  margin:20px 0;
  padding:18px 20px;
  background:linear-gradient(180deg,#7C0818 0%,#830B1A 100%);
  border-radius:4px;
  color:var(--gold-light);
  font-size:15px;
  border-left:4px solid var(--yellow);
}
.stm-note p:last-child{margin-bottom:0}

.stm-list{margin:0 0 16px;padding:0;list-style:none}
.stm-list li{position:relative;padding-left:26px;margin-bottom:9px}
.stm-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:11px;height:11px;
  background:var(--red);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
}
.stm-em{color:var(--gold-pale)}
.stm-num{color:var(--green);font-variant-numeric:tabular-nums}

/* ================= КЛУБ: ступени-марки ================= */
.stm-tiers{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin:22px 0 10px}
.stm-tier{padding:16px 14px;text-align:center}
.stm-tier__n{display:block;font-family:"Marmelad",serif;font-size:19px;color:var(--gold-light);margin-bottom:4px}
.stm-tier__p{display:block;font-size:26px;color:var(--gold-pale);font-family:"Marmelad",serif}
.stm-tier__t{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}

/* ================= ТАБЛИЦЫ ================= */
.stm-tw{overflow-x:auto;margin:18px 0 8px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:600px;font-size:14.5px}
caption{caption-side:top;text-align:left;padding:0 0 10px;color:var(--muted-2);font-size:13px}
th,td{padding:11px 13px;border:1px solid rgba(199,158,12,.16);text-align:left}
thead th{
  background:linear-gradient(180deg,#7C0818 0%,#830B1A 100%);
  color:var(--gold-light);
  font-weight:600;
  letter-spacing:.2px;
}
tbody tr:nth-child(odd) td{background:var(--surface)}
tbody tr:nth-child(even) td{background:var(--surface-2)}
tfoot td{background:var(--deep);color:var(--gold-pale)}

/* ================= ГАЛЕРЕЯ: марки с зубчатым краем, 4 в ряд ================= */
.stm-gal{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:24px 0 10px}
.stm-gal figure{margin:0;padding:10px}
.stm-gal img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:2px}
.stm-gal figcaption{
  margin-top:9px;
  font-size:12.5px;
  line-height:1.45;
  color:var(--muted);
  text-align:center;
  border-top:1px dashed rgba(245,198,107,.28);
  padding-top:8px;
}
.stm-gal .stm-gal__den{display:block;color:var(--gold-2);font-size:11.5px;letter-spacing:1.4px;text-transform:uppercase}

.stm-duo{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:22px 0 10px}
.stm-duo figure{margin:0;padding:10px}
.stm-duo figcaption{margin-top:9px;font-size:12.5px;color:var(--muted-2);text-align:center}

.stm-side{display:grid;grid-template-columns:300px 1fr;gap:26px;align-items:start;margin:20px 0}
.stm-side figure{margin:0;padding:10px}
.stm-side figcaption{margin-top:9px;font-size:12.5px;color:var(--muted-2);text-align:center}

.stm-band{margin:24px 0 10px;padding:10px}
.stm-band figcaption{margin-top:9px;font-size:12.5px;color:var(--muted-2);text-align:center}

.stm-prov{
  display:flex;align-items:center;gap:18px;
  margin:18px 0;padding:14px 16px;
  background:var(--surface-2);
  border:1px dashed rgba(245,198,107,.3);
  border-radius:4px;
}
.stm-prov img{flex:0 0 auto}
.stm-prov figcaption{font-size:13px;color:var(--muted)}

/* ================= ОТЗЫВ ================= */
.stm-rev{position:relative;margin:24px 0;padding:22px 24px}
.stm-rev blockquote{margin:0 0 10px;font-size:16px;color:var(--text-2);font-style:italic}
.stm-rev__who{font-size:13px;color:var(--muted-2);letter-spacing:.3px}

/* ================= FAQ ================= */
.stm-faq{margin:18px 0 6px}
.stm-faq details{
  margin-bottom:12px;
  padding:14px 18px;
  background:var(--surface);
  border:1px solid rgba(199,158,12,.18);
  border-left:4px solid var(--red-deep);
  border-radius:3px;
}
.stm-faq summary{
  cursor:pointer;
  color:var(--gold-light);
  font-size:16px;
  list-style:none;
  padding-right:26px;
  position:relative;
}
.stm-faq summary::-webkit-details-marker{display:none}
.stm-faq summary::after{
  content:"";position:absolute;right:2px;top:.5em;
  width:11px;height:11px;background:var(--yellow);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  transition:transform .18s ease;
}
.stm-faq details[open] summary::after{transform:rotate(90deg)}
.stm-faq details p{margin:12px 0 0;color:var(--text)}

/* ================= ИСТОЧНИКИ ================= */
.stm-src{margin:26px 0 10px;padding:20px 22px}
.stm-src ul{margin:0;padding:0;list-style:none;font-size:14px;color:var(--muted)}
.stm-src li{padding:7px 0;border-bottom:1px dashed rgba(199,158,12,.16)}
.stm-src li:last-child{border-bottom:0}

/* ================= ПОДВАЛ ================= */
.stm-foot{
  margin-top:34px;
  padding:28px 0 40px;
  background:var(--surface);
  border-top:2px solid var(--red-deep);
  font-size:13.5px;
  color:var(--muted);
}
.stm-foot__grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.stm-foot__t{color:var(--gold-2);font-family:"Marmelad",serif;font-size:16px;margin:0 0 8px}
.stm-foot__age{
  margin-top:20px;padding:12px 16px;
  border:1px solid rgba(209,2,27,.5);
  border-radius:4px;
  color:var(--gold-light);
  background:var(--deep-2);
}
.stm-foot__cp{margin-top:16px;font-size:12.5px;color:var(--muted-2)}

/* ================= АДАПТИВ ================= */
@media (max-width:1000px){
  .stm-hero__grid{grid-template-columns:1fr}
  .stm-kpi{grid-template-columns:repeat(3,1fr)}
  .stm-tiers{grid-template-columns:repeat(3,1fr)}
  .stm-gal{grid-template-columns:repeat(3,1fr)}
  .stm-side{grid-template-columns:1fr}
}

@media (max-width:640px){
  body{font-size:15.5px;line-height:1.66}
  .stm-head__in{padding:8px 12px;gap:8px}
  .stm-head__btns{gap:7px}
  .stm-btn{padding:9px 12px;font-size:12.5px;border-radius:10px}
  .stm-btn--wide{padding:13px 20px;font-size:15px}
  .stm-logo__svg{width:30px;height:30px}
  .stm-logo__name{font-size:17px}
  .stm-logo__sub{font-size:8.5px;letter-spacing:1.4px}
  .stm-wrap{padding:0 14px}
  .stm-kpi{grid-template-columns:repeat(2,1fr);gap:12px}
  .stm-tiers{grid-template-columns:repeat(2,1fr);gap:12px}
  .stm-gal{grid-template-columns:repeat(2,1fr);gap:16px}
  .stm-duo{grid-template-columns:1fr}
  .stm-foot__grid{grid-template-columns:1fr}
  .stm-mark{width:56px;height:56px;font-size:8.5px;top:10px;right:10px}
  table{min-width:520px}
  .stm-sec{padding:26px 0 8px}
}