/*
 * RynekUSA Rejestr — document identity.
 * Paper white, ink, ledger rules, stamp red, highlighter; Inter Display Light + mono labels.
 */

:root {
	--bg: #FFFFFF;
	--surface: #FFFFFF;
	--surface-2: #F6F6F6;
	--ink: #111111;
	--muted: #5E5E5E;
	--line: #E3E3E3;
	--line-strong: #C8C8C8;
	--brand: #111111;
	--brand-hover: #333333;
	--brand-ink: #FFFFFF;
	--accent: #111111;
	--accent-hover: #333333;
	--accent-ink: #FFFFFF;
	--accent-text: #111111;
	--marker: #E2E2E2;
	--link: #111111;
	--focus: #111111;
	--ring: rgba(0, 0, 0, .14);

	--font-display: "Inter Display", "Inter", system-ui, sans-serif;
	--font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	--font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

	--radius: 4px;
	--radius-sm: 3px;
	--wrap: 1240px;
	--wrap-text: 720px;
	--gutter: clamp(20px, 4vw, 40px);
	--header-h: 78px;
	--section-y: clamp(64px, 8vw, 112px);
	--grid-gap: clamp(20px, 2.4vw, 32px);
	--shadow: 0 1px 0 var(--line), 0 18px 36px -24px rgba(27, 27, 27, .28);
}

:where(h1, h2, h3) { letter-spacing: -.025em; }

/* ---------- Helpers ---------- */
.mono-label, .sec__no, .sec__kicker, .kicker {
	font-family: var(--font-mono); font-size: .76rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.kicker { color: var(--accent-text); }
.mono-label { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mono-label__tag { padding: 3px 8px; border: 1px solid var(--accent); color: var(--accent-text); border-radius: 2px; }
.section-title { margin-top: 12px; font-size: clamp(2.1rem, 4.4vw, 3.4rem); line-height: 1.12; }
.section-title em, .hero__title em, .contact-band__title em {
	font-style: normal; font-weight: 500;
	background: linear-gradient(transparent 58%, var(--marker) 58%, var(--marker) 92%, transparent 92%);
	padding-inline: .06em; -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.section-title--sm { font-size: 1.8rem; margin: 0 0 28px; }
.section-lead { margin-top: 14px; color: var(--muted); max-width: 56ch; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; text-decoration: none; color: var(--brand); }
.link-arrow .icon { width: 17px; height: 17px; transition: transform .2s ease; }
.link-arrow:hover { text-decoration: underline; }
.link-arrow:hover .icon { transform: translateX(3px); }
.btn { border-radius: var(--radius-sm); }
.btn--ghost { color: var(--ink); border-color: var(--line-strong); }

/* ---------- Top bar & header ---------- */
.topbar { border-bottom: 1px solid var(--line); font-family: var(--font-mono); font-size: .74rem; color: var(--muted); letter-spacing: .02em; }
.topbar__label { color: var(--accent-text); font-weight: 600; margin-right: 2px; }
.site-header { background: rgba(255, 255, 255, .95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--ink); }
.site-nav .menu a { font-size: .96rem; padding: 6px 0; }
.site-nav .menu a:hover, .site-nav .current-menu-item > a { text-decoration: underline; text-underline-offset: 6px; text-decoration-color: var(--accent); }
.site-nav__cta { min-height: 44px; }
.brand-mark { color: var(--ink); }
.brand-mark__word { font-family: var(--font-display); font-size: 1.45rem; font-weight: 500; letter-spacing: -.02em; }
.brand-mark__word b { font-weight: 500; color: var(--accent-text); }
.brand-mark__sub { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

/* ---------- Hero ---------- */
.hero {
	position: relative; padding-block: clamp(48px, 7vw, 104px);
	background-image:
		linear-gradient(var(--bg), rgba(255, 255, 255, 0) 30%),
		linear-gradient(to right, rgba(78, 78, 78, .045) 1px, transparent 1px),
		linear-gradient(to bottom, rgba(78, 78, 78, .045) 1px, transparent 1px);
	background-size: auto, 32px 32px, 32px 32px;
	border-bottom: 1px solid var(--line);
}
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.hero__title { margin-top: 26px; font-size: clamp(2.8rem, 6vw, 5.1rem); font-weight: var(--h-weight); line-height: 1.1; letter-spacing: -.025em; }
.hero__lead { margin-top: 28px; max-width: 56ch; font-size: clamp(1.05rem, 1.3vw, 1.15rem); color: #454545; }
.hero__actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }

/* Filing form */
.form-card { position: relative; background: var(--surface); border: 1px solid var(--ink); box-shadow: 8px 8px 0 rgba(27, 27, 27, .08); }
.form-card__head { display: flex; justify-content: space-between; padding: 10px 18px; background: #111111; color: #FFFFFF; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.form-card__body { padding: 22px 22px 26px; }
.form-card__title { font-family: var(--font-display); font-size: 1.35rem; font-weight: 500; letter-spacing: -.01em; padding-bottom: 14px; border-bottom: 2px solid var(--ink); }
.form-card__fields { display: grid; }
.field { display: grid; grid-template-columns: 9.5em 1fr; gap: 12px; align-items: baseline; padding: 11px 0; border-bottom: 1px solid var(--line); }
.field dt { font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.field dd { font-weight: 600; font-size: 1rem; }
.form-card__label { margin-top: 20px; font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.checklist { margin-top: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; font-size: .92rem; }
.checklist li { display: flex; align-items: center; gap: 10px; line-height: 1.3; }
.checklist__box { flex: none; display: grid; place-items: center; width: 18px; height: 18px; border: 1.5px solid var(--ink); border-radius: 2px; }
.checklist .is-checked .checklist__box { background: var(--brand); border-color: var(--brand); color: #FFFFFF; }
.checklist__box .icon { width: 13px; height: 13px; stroke-width: 3; }
.form-card__sign { margin-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 62%; }
.form-card__sign span { margin-top: 30px; padding-top: 6px; border-top: 1px solid var(--ink); font-family: var(--font-mono); font-size: .62rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.stamp {
	position: absolute; right: -28px; bottom: -44px; width: 140px; height: 140px; color: var(--accent);
	font-family: var(--font-body); transform: rotate(-14deg); opacity: .88; mix-blend-mode: multiply; pointer-events: none;
}

/* ---------- Section frame ---------- */
.sec { padding-block: var(--section-y); border-bottom: 1px solid var(--line); }
.sec__grid { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 0 clamp(16px, 3vw, 40px); }
.sec__no { padding-top: 6px; color: var(--accent-text); font-size: .9rem; }
.sec__head { margin-bottom: clamp(32px, 4vw, 52px); max-width: 860px; }
.sec__head--split { max-width: none; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.intro__text { margin-top: 18px; font-family: var(--font-display); font-weight: 300; font-size: clamp(1.45rem, 2.6vw, 2.2rem); line-height: 1.35; letter-spacing: -.015em; max-width: 34ch; }
.intro { background: var(--surface); }

/* Ledger (services) */
.ledger { border-top: 2px solid var(--ink); }
.ledger__row { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 16px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--line); position: relative; }
.ledger__no { font-family: var(--font-mono); font-size: .82rem; color: var(--muted); }
.ledger__text { font-size: clamp(1.05rem, 1.4vw, 1.22rem); font-weight: 500; text-decoration: none; }
a.ledger__text { color: var(--brand); }
a.ledger__text::after { content: ""; position: absolute; inset: 0; }
.ledger__status { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); white-space: nowrap; }
.ledger__status--link { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); }
.ledger__status .icon { width: 15px; height: 15px; }
.ledger__row:hover { background: linear-gradient(to right, rgba(227, 227, 227, .35), transparent 70%); }

/* Files (testimonials) */
.files { background: var(--surface-2); }
.files__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gap); align-items: start; }
.file { position: relative; background: var(--surface); border: 1px solid var(--line-strong); display: flex; flex-direction: column; }
.file:first-child { grid-column: span 2; grid-row: span 2; }
.file__tab { display: flex; justify-content: space-between; gap: 12px; padding: 10px 18px; border-bottom: 1px dashed var(--line-strong); font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.file__tab span:first-child { color: var(--accent-text); }
.file__body { padding: 22px 22px 8px; }
.file__body p { font-size: 1.02rem; line-height: 1.6; }
.file:first-child .file__body { padding: clamp(24px, 3vw, 40px); }
.file:first-child .file__body p { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.35rem, 2.2vw, 1.85rem); line-height: 1.4; letter-spacing: -.01em; }
.file__foot { padding: 14px 22px 20px; font-weight: 600; }
.file:first-child .file__foot { padding-inline: clamp(24px, 3vw, 40px); }
.file__foot a { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); text-decoration: none; }
.file__foot a:hover { text-decoration: underline; }
.file__foot .icon { width: 15px; height: 15px; }

/* Q&A */
.qa { border-top: 2px solid var(--ink); }
.qa__item { border-bottom: 1px solid var(--line); }
.qa__item summary { display: grid; grid-template-columns: 64px minmax(0, 1fr) 28px; gap: 16px; align-items: center; padding: 20px 0; }
.qa__no { font-family: var(--font-mono); font-size: .8rem; color: var(--accent-text); }
.qa__q { font-size: clamp(1.05rem, 1.4vw, 1.2rem); font-weight: 500; }
.qa__toggle { position: relative; width: 28px; height: 28px; border: 1px solid var(--line-strong); border-radius: 2px; }
.qa__toggle::before, .qa__toggle::after { content: ""; position: absolute; left: 50%; top: 50%; width: 11px; height: 1.5px; background: var(--ink); transform: translate(-50%, -50%); transition: transform .2s ease; }
.qa__toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
.qa__item[open] .qa__toggle { background: var(--ink); border-color: var(--ink); }
.qa__item[open] .qa__toggle::before, .qa__item[open] .qa__toggle::after { background: #FFFFFF; }
.qa__item[open] .qa__toggle::after { transform: translate(-50%, -50%) rotate(0); }
.qa__item[open] .qa__q { background: linear-gradient(transparent 60%, var(--marker) 60%, var(--marker) 92%, transparent 92%); }
.qa__a { padding: 0 44px 24px 80px; display: grid; gap: 12px; justify-items: start; color: #454545; }

/* Index (topics) */
.index { background: var(--surface); }
.index__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(32px, 4vw, 56px) clamp(32px, 5vw, 72px); }
.index__title { font-family: var(--font-display); font-size: 1.45rem; font-weight: 500; padding-bottom: 10px; border-bottom: 2px solid var(--ink); }
.index__title span { font-family: var(--font-mono); font-size: .95rem; color: var(--accent-text); margin-right: 4px; }
.index__desc { margin-top: 10px; color: var(--muted); font-size: .92rem; }
.index__links { margin-top: 12px; }
.index__links a { display: flex; align-items: baseline; gap: 8px; padding: 7px 0; text-decoration: none; }
.index__label { flex: 0 1 auto; }
.index__dots { flex: 1 1 24px; min-width: 24px; border-bottom: 1.5px dotted var(--line-strong); transform: translateY(-4px); }
.index__ref { flex: none; font-family: var(--font-mono); font-size: .75rem; color: var(--muted); }
.index__links a:hover .index__label { color: var(--brand); text-decoration: underline; }
.index__links a:hover .index__dots { border-color: var(--accent); }

/* Entries (latest posts) */
.entries { border-top: 2px solid var(--ink); }
.entry { position: relative; display: grid; grid-template-columns: 120px minmax(0, 1fr) 200px; gap: 24px; align-items: start; padding: 24px 0; border-bottom: 1px solid var(--line); }
.entry__date { font-family: var(--font-mono); font-size: .8rem; color: var(--muted); padding-top: 4px; }
.entry__title { font-family: var(--font-display); font-size: clamp(1.25rem, 1.9vw, 1.6rem); font-weight: 500; line-height: 1.2; letter-spacing: -.015em; }
.entry__title a { text-decoration: none; }
.entry__title a::after { content: ""; position: absolute; inset: 0; }
.entry:hover .entry__title a { text-decoration: underline; text-decoration-color: var(--accent); }
.entry__excerpt { margin-top: 8px; color: var(--muted); }
.entry__meta { margin-top: 10px; font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-text); }
.entry__thumb { aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid var(--line); filter: grayscale(.25); transition: filter .3s ease; }
.entry__thumb img { width: 100%; height: 100%; object-fit: cover; }
.entry:hover .entry__thumb { filter: none; }

/* ---------- Cards (archives) ---------- */
.card { background: var(--surface); border: 1px solid var(--line-strong); }
.card__media { border-bottom: 1px solid var(--line); }
.card__body { padding: 20px 22px 24px; }
.card__meta { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; }
.card__title { font-family: var(--font-display); font-weight: 500; font-size: 1.32rem; letter-spacing: -.01em; }
.card__more { color: var(--brand); }
.card--text { border-top: 3px solid var(--ink); }

/* ---------- Contact band ---------- */
.contact-band { padding-block: clamp(64px, 8vw, 104px); }
.contact-band__inner { padding: clamp(28px, 4vw, 48px); background: var(--surface); border: 1px solid var(--ink); box-shadow: 8px 8px 0 rgba(27, 27, 27, .08); position: relative; }
.contact-band__inner::before { content: "Formularz kontaktowy · RU-2"; position: absolute; top: -11px; left: 24px; padding: 2px 10px; background: var(--bg); font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.contact-band__title { font-weight: var(--h-weight); }
.contact-band__lead { color: var(--muted); }
.contact-band__list a { padding: 10px 0; border-bottom: 1px dashed var(--line-strong); }
.contact-band__list .icon { color: var(--accent); }
.contact-band__list small { font-family: var(--font-mono); letter-spacing: .04em; }
.contact-band__cta { min-height: 56px; padding-inline: 1.8em; }

/* ---------- Footer ---------- */
.site-footer { background: #F6F6F6; color: #454545; border-top: 1px solid var(--line); padding-top: clamp(56px, 7vw, 88px); }
.site-footer .brand-mark { color: var(--ink); }
.site-footer .brand-mark__word b { color: var(--accent-text); }
.site-footer .brand-mark__sub { color: var(--muted); }
.site-footer__title { font-family: var(--font-mono); font-weight: 500; color: var(--ink); }
.contact-list__label { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; }
.site-footer__legal { margin-top: clamp(40px, 6vw, 72px); padding-block: 22px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: .74rem; color: var(--muted); }

/* ---------- Mobile bar ---------- */
.mobile-bar { background: var(--surface); color: var(--ink); border-top: 1px solid var(--ink); }
.mobile-bar a + a { border-left: 1px solid var(--line); }
.mobile-bar__cta { background: var(--brand); color: #FFFFFF; }

/* ---------- Inner pages ---------- */
.page-head { border-bottom: 1px solid var(--ink); }
.page-head__title { font-weight: var(--h-weight); }
.breadcrumbs { font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; }
.article__head { border-bottom: 1px solid var(--ink); margin-bottom: 40px; }
.article__kicker a { font-family: var(--font-mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-text); }
.article__title { font-weight: var(--h-weight); }
.article__meta { font-family: var(--font-mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; }
.entry-content h2, .entry-content h3 { font-weight: 500; }
.entry-content table { border-top: 2px solid var(--ink); }
.entry-content th { font-family: var(--font-mono); font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; background: transparent; }
.entry-content mark { background: var(--marker); }
.author-box { border-radius: 0; border-color: var(--ink); }
.related { background: var(--surface-2); }
.not-found .kicker { margin-bottom: 14px; }
.not-found .search-form { margin-top: 28px; }
.not-found__links { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
	.files__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.file:first-child { grid-row: auto; }
	.entry { grid-template-columns: 110px minmax(0, 1fr) 160px; }
}
@media (max-width: 960px) {
	.hero__grid { grid-template-columns: 1fr; }
	.form-card { max-width: 560px; margin-right: 40px; }
	.sec__grid { grid-template-columns: 1fr; }
	.sec__no { padding: 0 0 14px; }
	.index__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
	:root { --header-h: 66px; }
	.brand-mark__sub { display: none; }
	.brand-mark__word { font-size: 1.25rem; }
	.site-nav__cta { width: 100%; }
	.form-card { margin-right: 18px; }
	.stamp { width: 108px; height: 108px; right: -14px; bottom: -36px; }
	.form-card__sign { max-width: 64%; grid-template-columns: 1fr; gap: 0; }
	.field { grid-template-columns: 1fr; gap: 2px; }
	.checklist { grid-template-columns: 1fr; }
	.files__grid { grid-template-columns: 1fr; }
	.file:first-child { grid-column: auto; }
	.ledger__row { grid-template-columns: 44px minmax(0, 1fr); }
	.ledger__status { grid-column: 2; }
	.qa__item summary { grid-template-columns: 44px minmax(0, 1fr) 28px; gap: 12px; }
	.qa__a { padding: 0 0 22px 56px; }
	.entry { grid-template-columns: 1fr; gap: 10px; }
	.entry__thumb { display: none; }
	.hero__actions .btn { flex: 1 1 auto; }
}