/* Оплата-Пошлин.рф · общий каркас и типографика
 * Источник: вынесено из index-v2.html для использования на подстраницах.
 */

:root{
  --c-paper:        oklch(97.5% 0.008 85);
  --c-paper-deep:   oklch(94% 0.012 80);
  --c-surface:      oklch(100% 0 0);
  --c-ink:          oklch(20% 0.015 55);
  --c-ink-soft:     oklch(38% 0.012 55);
  --c-ink-faint:    oklch(58% 0.008 60);
  --c-rule:         oklch(88% 0.01 70);
  --c-rule-soft:    oklch(93% 0.008 75);
  --c-seal:         oklch(38% 0.13 25);
  --c-seal-ink:     oklch(28% 0.11 25);
  --c-seal-wash:    oklch(96% 0.025 25);
  --c-stamp:        oklch(45% 0.11 150);
  --c-stamp-wash:   oklch(95% 0.04 150);
  --c-mark:         oklch(93% 0.09 95);
  --c-focus:        oklch(55% 0.18 260);

  --ff-text:  "Golos Text", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ff-head:  "Spectral", ui-serif, Georgia, "Times New Roman", serif;

  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px;

  --radius-s: 4px; --radius-m: 8px; --radius-l: 14px;

  --shadow-2: 0 1px 2px oklch(0% 0 0 / .04), 0 6px 24px -12px oklch(20% 0.02 55 / .08);

  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-snap:   cubic-bezier(0.16, 1, 0.3, 1);
}

*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0 }
html{
  -webkit-text-size-adjust:100%; text-rendering:optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior: auto } }
body{
  font-family:var(--ff-text);
  font-size:16px; line-height:1.6;
  color:var(--c-ink); background:var(--c-paper);
  font-variant-numeric: lining-nums proportional-nums;
}
::selection{ background:var(--c-mark); color:var(--c-ink) }

img,svg{ display:block; max-width:100% }
a{ color:var(--c-seal); text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1px }
a:hover{ color:var(--c-seal-ink) }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer }
:focus-visible{ outline:2px solid var(--c-focus); outline-offset:2px; border-radius:2px }

.tnum{ font-variant-numeric: tabular-nums lining-nums }

.wrap{ width:100%; max-width:1200px; margin-inline:auto; padding-inline:clamp(16px, 4vw, 40px) }

/* ---------- Header ---------- */
.top{
  border-bottom:1px solid var(--c-rule);
  background:var(--c-paper);
  position:sticky; top:0; z-index:40;
  backdrop-filter:saturate(120%);
}
.top__inner{
  display:flex; align-items:center; gap:var(--s-5);
  min-height:64px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none; color:var(--c-ink);
}
.brand__mark{ display: none }
.brand__name{
  font-family: var(--ff-head);
  font-weight: 500; font-size: 20px;
  letter-spacing: -0.015em;
  line-height: 1.05;
  color: var(--c-ink);
}
.brand__name em{ font-style: italic; color: var(--c-seal); font-weight: 500 }
.brand__name small{
  display: block;
  font-family: var(--ff-text);
  color: var(--c-ink-faint);
  font-weight: 400; font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 2px;
  /* compensate letter-spacing phantom indent on first uppercase glyph */
  margin-left: -0.07em;
}

.top__nav{ display:none; gap:var(--s-5); margin-left:auto }
.top__nav a{ color:var(--c-ink-soft); text-decoration:none; font-size:14px }
.top__nav a:hover{ color:var(--c-ink) }

.support-btn{
  margin-left: auto;
  display:inline-flex; align-items:center; gap:8px;
  padding: 9px 14px 9px 12px;
  background: var(--c-surface);
  border: 1px solid var(--c-rule);
  border-radius: 999px;
  font-weight: 500; font-size: 14px; color: var(--c-ink);
  letter-spacing: -0.005em;
  transition:
    background 180ms var(--ease-out),
    color 180ms var(--ease-out),
    border-color 180ms var(--ease-out),
    box-shadow 220ms var(--ease-out),
    transform 160ms var(--ease-out);
  will-change: transform;
}
.support-btn svg{ color: var(--c-seal); transition: transform 320ms var(--ease-snap) }
@media (hover: hover) and (pointer: fine){
  .support-btn:hover{
    border-color: var(--c-ink);
    box-shadow: 0 6px 16px -10px oklch(20% 0.02 55 / .25);
  }
  .support-btn:hover svg{ transform: rotate(-18deg) }
}
.support-btn:active{ transform: scale(0.97); transition-duration: 80ms }

@media (min-width: 900px){
  .top__nav{ display:flex }
  .support-btn{ margin-left: 0 }
}

/* ---------- Page / article ---------- */
.page{ padding-block: clamp(28px, 5vw, 56px) clamp(48px, 6vw, 88px) }
.crumbs{
  display:flex; flex-wrap:wrap; gap:6px;
  font-size:12px; color:var(--c-ink-faint);
  margin-bottom: var(--s-5);
}
.crumbs a{ color:var(--c-ink-soft); text-decoration:none }
.crumbs a:hover{ color:var(--c-ink); text-decoration:underline }
.crumbs span[aria-hidden]{ color:var(--c-rule) }

.article{
  display:flex; flex-direction:column; gap:var(--s-5);
}
.article__kicker{
  display:inline-block;
  font-size:12px; letter-spacing:0.16em; text-transform:uppercase;
  color:var(--c-seal);
  margin-bottom: var(--s-2);
}
.article h1{
  font-family:var(--ff-head); font-weight:500;
  font-size: clamp(30px, 4vw, 48px); line-height:1.05;
  letter-spacing:-0.02em; color:var(--c-ink);
  text-wrap: balance;
}
.article h2{
  font-family:var(--ff-head); font-weight:500;
  font-size: clamp(22px, 2.4vw, 28px); line-height:1.15;
  letter-spacing:-0.015em; color:var(--c-ink);
  margin-top: var(--s-6);
}
.article h3{
  font-weight:600; font-size:17px; letter-spacing:-0.005em;
  color:var(--c-ink); margin-top: var(--s-5);
}
.article p{
  font-size: 16px; line-height: 1.7; color: var(--c-ink-soft);
}
.article p strong{ color: var(--c-ink); font-weight: 500 }
.article ul, .article ol{
  margin-left: 1.4em;
  display:flex; flex-direction:column; gap: 6px;
  color: var(--c-ink-soft); line-height: 1.65;
}
.article ul ul, .article ol ol, .article ul ol, .article ol ul{
  margin-top: 4px; margin-bottom: 4px;
}
.article li::marker{ color: var(--c-ink-faint) }
.article hr{
  border: 0; border-top: 1px solid var(--c-rule);
  margin: var(--s-6) 0;
}
.article .meta{
  font-size: 13px; color: var(--c-ink-faint);
  padding: var(--s-3) var(--s-4);
  background: var(--c-paper-deep);
  border-radius: var(--radius-m);
  display: inline-flex; gap: 16px; flex-wrap: wrap;
}

.callout{
  padding: var(--s-4) var(--s-5);
  background: var(--c-stamp-wash);
  color: color-mix(in oklch, var(--c-stamp) 60%, var(--c-ink) 40%);
  border-radius: var(--radius-m);
  font-size: 14px; line-height: 1.55;
}
.callout strong{ color: color-mix(in oklch, var(--c-stamp) 80%, var(--c-ink) 20%) }
.callout--seal{
  background: var(--c-seal-wash);
  color: color-mix(in oklch, var(--c-seal) 60%, var(--c-ink) 40%);
}
.callout--seal strong{ color: var(--c-seal-ink) }

.legal-table{
  width: 100%; border-collapse: collapse; font-size: 14px;
  margin: var(--s-3) 0;
}
.legal-table th, .legal-table td{
  text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--c-rule-soft);
  vertical-align: top;
}
.legal-table th{
  font-weight: 500; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--c-ink-faint); border-bottom-color: var(--c-rule);
}

/* ---------- Linked tiles for cross-page navigation ---------- */
.tiles{
  display:grid; gap: var(--s-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: var(--s-4);
}
.tile{
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--s-4);
  background: var(--c-surface);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-m);
  text-decoration: none; color: var(--c-ink);
  transition: border-color 160ms var(--ease-out), background 160ms var(--ease-out), transform 160ms var(--ease-out);
}
.tile:hover{
  border-color: var(--c-ink-faint);
  background: var(--c-paper);
}
.tile:active{ transform: scale(0.99) }
.tile b{ font-weight: 500; color: var(--c-ink) }
.tile small{ color: var(--c-ink-faint); font-size: 13px }

/* ---------- Footer ---------- */
footer.foot{
  padding-block: var(--s-7);
  background: var(--c-ink);
  color: oklch(85% 0.01 60);
}
.foot__grid{
  display:grid; gap:var(--s-6);
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
}
@media (max-width: 900px){ .foot__grid{ grid-template-columns: 1fr 1fr } }
@media (max-width: 520px){ .foot__grid{ grid-template-columns: 1fr } }
.foot h4{
  font-family:var(--ff-text); font-weight:600;
  font-size:13px; letter-spacing:0.12em; text-transform:uppercase;
  color:#fff; margin-bottom:var(--s-3);
}
.foot ul{ list-style:none; display:grid; gap:8px; padding: 0; margin: 0 }
.foot a{ color: oklch(85% 0.01 60); text-decoration:none; font-size:14px }
.foot a:hover{ color:#fff; text-decoration:underline }
.foot__legal{
  font-size:12px; color: oklch(65% 0.01 60); line-height:1.6;
}
.foot__bottom{
  margin-top: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid oklch(30% 0.015 55);
  display:flex; flex-wrap:wrap; gap:var(--s-4); justify-content:space-between; align-items:center;
  font-size:12px; color: oklch(65% 0.01 60);
}
.foot__contact{
  display:inline-flex; align-items:center; gap:8px;
  padding: 9px 14px 9px 12px;
  color:#fff;
  background: oklch(30% 0.015 55);
  border: 1px solid oklch(40% 0.015 55);
  border-radius: 999px;
  font-size: 13px; font-weight: 500; letter-spacing: -0.005em;
  transition: background 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 160ms var(--ease-out);
}
.foot__contact svg{ color: var(--c-mark); transition: transform 320ms var(--ease-snap) }
@media (hover: hover) and (pointer: fine){
  .foot__contact:hover{ background: oklch(40% 0.015 55); border-color: oklch(55% 0.02 55) }
  .foot__contact:hover svg{ transform: rotate(-18deg) }
}
.foot__contact:active{ transform: scale(0.97); transition-duration: 80ms }

/* ---------- Support dialog ---------- */
.support-dialog{
  position: fixed;
  inset: 0;
  margin: auto;
  border: 0; padding: 0; background: transparent; color: inherit;
  max-width: 520px; width: calc(100% - 32px);
  max-height: calc(100vh - 32px);
  border-radius: var(--radius-l);
  box-shadow:
    0 1px 0 oklch(100% 0 0) inset,
    0 30px 80px -30px oklch(20% 0.02 55 / .35),
    0 12px 32px -16px oklch(0% 0 0 / .12);
  overflow: visible;
}
.support-dialog::backdrop{
  background: oklch(20% 0.02 55 / .38);
  backdrop-filter: blur(6px);
}
.support-dialog, .support-dialog::backdrop{
  transition:
    opacity 260ms var(--ease-out),
    transform 320ms var(--ease-snap),
    display 260ms allow-discrete,
    overlay 260ms allow-discrete;
}
.support-dialog{ opacity: 1; transform: scale(1) translateY(0) }
.support-dialog::backdrop{ opacity: 1 }
@starting-style{
  .support-dialog[open]{ opacity: 0; transform: scale(0.96) translateY(8px) }
  .support-dialog[open]::backdrop{ opacity: 0 }
}
.support{
  position: relative;
  background: var(--c-surface);
  border-radius: var(--radius-l);
  padding: clamp(24px, 3.2vw, 32px);
  text-align: left;
}
.support__close{
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border-radius: 999px;
  color: var(--c-ink-faint);
  transition: background 160ms var(--ease-out), color 160ms var(--ease-out);
}
.support__close:hover{ background: var(--c-paper-deep); color: var(--c-ink) }
.support__kicker{ font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-seal) }
.support__title{
  font-family: var(--ff-head); font-weight: 500;
  font-size: clamp(22px, 2.4vw, 28px); line-height: 1.1;
  letter-spacing: -0.015em; margin-top: 6px;
}
.support__lede{ font-size: 14px; color: var(--c-ink-soft); line-height: 1.55; margin-top: 8px; max-width: 44ch }
.support__form{ display: grid; gap: var(--s-3); margin-top: var(--s-5) }
.support__success{
  display: none;
  padding: var(--s-4); margin-top: var(--s-4);
  background: var(--c-stamp-wash); color: color-mix(in oklch, var(--c-stamp) 80%, var(--c-ink));
  border-radius: var(--radius-m); font-size: 14px;
}
.support[data-sent="1"] .support__form{ display: none }
.support[data-sent="1"] .support__success{ display: flex; align-items: flex-start; gap: 10px }
.support__row{ display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3) }
@media (max-width: 520px){ .support__row{ grid-template-columns: 1fr } }
.support__actions{ display: flex; justify-content: space-between; align-items: center; gap: var(--s-3); margin-top: var(--s-3) }
.support__hint{ font-size: 12px; color: var(--c-ink-faint) }
.support__send{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  background: var(--c-seal); color: #fff;
  border-radius: var(--radius-m); font-weight: 600; font-size: 14px;
  transition: background 180ms var(--ease-out), transform 160ms var(--ease-out);
}
.support__send:hover{ background: var(--c-seal-ink) }
.support__send:active{ transform: scale(0.97) }

.field{ display: block }
.field__label{
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px; color: var(--c-ink-soft);
  margin-bottom: 6px; letter-spacing: 0.02em;
}
.field__label small{ color: var(--c-ink-faint); font-size: 11px }
.control{
  width: 100%;
  height: 48px; padding: 0 14px;
  border: 1px solid var(--c-rule);
  background: var(--c-surface);
  border-radius: var(--radius-m);
  color: var(--c-ink); font: inherit;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
select.control{
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' fill='none' stroke='%233a3733' stroke-width='1.4' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 36px;
}
.control:hover{ border-color: var(--c-ink-faint) }
.control:focus-visible{
  outline: none;
  border-color: var(--c-seal);
  box-shadow: 0 0 0 4px var(--c-seal-wash);
}

.sr{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap }