/* mieszkaniesopot.pl: static stylesheet. No CDN, no external fonts, no framework.
   Light theme only. Token names are a contract (other files rely on them); values may change. */

:root {
  --tlo: #F5F2EB;
  --tlo-2: #ECE7DC;
  --powierzchnia: #FFFFFF;
  --tekst: #14202B;
  --tekst-2: #55606B;
  --akcent: #1B5E86;
  --akcent-mocny: #134866;
  --akcent-2: #C8643A;
  --niebo: #4C8FB5;
  --linia: #DDD6C8;
  --na-akcencie: #FFFFFF;
  --cien: 0 1px 2px rgba(20, 32, 43, 0.06), 0 8px 24px rgba(20, 32, 43, 0.08);
  --cien-hover: 0 2px 4px rgba(20, 32, 43, 0.08), 0 18px 40px rgba(20, 32, 43, 0.16);
  --cien-duzy: 0 24px 60px rgba(20, 32, 43, 0.18);
  --radius: 18px;
  --radius-mala: 10px;
  --fokus: #C8643A;
  --font-naglowek: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-tekst: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --szer-tresci: 1200px;
  --gutter: 16px;
  --zdjecie-zastepcze: linear-gradient(180deg, #9CC3DA 0%, #4C8FB5 52%, #1B5E86 100%);
  color-scheme: light;
}

/* ---------------------------------------------------------------- base */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }

body {
  margin: 0;
  background: var(--tlo);
  color: var(--tekst);
  font-family: var(--font-tekst);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--akcent); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
code { background: var(--tlo-2); padding: 0.1em 0.4em; border-radius: 4px; font-size: 0.85em; }

:focus-visible { outline: 3px solid var(--fokus); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--font-naglowek); font-weight: 600; line-height: 1.15; color: var(--tekst); letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 1.3rem + 2.8vw, 3.4rem); margin: 0 0 0.4em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); margin: 0 0 0.5em; }
h3 { font-size: 1.15rem; margin: 0 0 0.3em; }

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

.pomin-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--akcent); color: var(--na-akcencie);
  padding: 0.8em 1.2em; border-radius: 0 0 var(--radius-mala) 0; font-weight: 600;
}
.pomin-link:focus { left: 0; }

.kontener {
  width: 100%; max-width: var(--szer-tresci); margin-inline: auto; padding-inline: var(--gutter);
}
@media (min-width: 768px) { :root { --gutter: 24px; } }

/* ---------------------------------------------------------------- buttons */

.przycisk {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 48px; padding: 0.7em 1.4em;
  font: inherit; font-weight: 650; line-height: 1.2; text-decoration: none;
  border-radius: 999px; border: 1.5px solid transparent; cursor: pointer;
  background: var(--akcent); color: var(--na-akcencie);
  transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.przycisk:hover { background: var(--akcent-mocny); text-decoration: none; }
.przycisk:active { transform: translateY(1px); }
.przycisk-drugi {
  background: var(--powierzchnia); color: var(--tekst); border-color: var(--linia);
}
.przycisk-drugi:hover { background: var(--tlo-2); }
.przycisk svg { width: 1.1em; height: 1.1em; flex: none; }

/* ---------------------------------------------------------------- header */

.glowka {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--tlo) 90%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--linia) 70%, transparent);
}
.glowka-wnetrze {
  max-width: var(--szer-tresci); margin: 0 auto; padding: 0.35rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.marka {
  display: inline-flex; align-items: center; min-height: 44px;
  font-family: var(--font-naglowek); font-weight: 700; font-size: 1.3rem; letter-spacing: -0.01em;
  color: var(--tekst); text-decoration: none; white-space: nowrap;
}
.marka span { color: var(--akcent); }
.menu { display: flex; gap: 0.25rem; margin: 0; padding: 0; list-style: none; }
.menu a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.85rem;
  border-radius: 999px; color: var(--tekst); text-decoration: none; font-weight: 550; font-size: 0.97rem;
}
.menu a:hover { background: var(--tlo-2); }
.menu a[aria-current="page"] { background: color-mix(in srgb, var(--akcent) 12%, transparent); color: var(--akcent); }
@media (max-width: 479px) {
  .marka { font-size: 1.15rem; }
  .menu a { padding: 0 0.6rem; }
  /* trzy linki menu nie mieszczą się obok marki w 343 px: menu schodzi do drugiego wiersza */
  .glowka-wnetrze { flex-wrap: wrap; gap: 0 0.5rem; }
  .menu { flex-wrap: wrap; margin-left: -0.6rem; }
}

/* ---------------------------------------------------------------- main, breadcrumbs */

.glowna { display: block; padding-bottom: 4rem; }
.glowna > .okruszki { max-width: var(--szer-tresci); margin: 0 auto; padding: 0 var(--gutter); }
.okruszki ol {
  list-style: none; display: flex; flex-wrap: wrap; gap: 0.3em;
  padding: 0; margin: 1rem 0 0.75rem; font-size: 0.9rem; color: var(--tekst-2);
}
.okruszki li + li::before { content: "/"; margin-right: 0.3em; opacity: 0.6; }
.okruszki a { color: var(--tekst-2); }

.sekcja { margin-top: clamp(3rem, 2rem + 4vw, 5.5rem); }
.sekcja-naglowek { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 0.5rem 1.5rem; margin-bottom: 1.4rem; }
.sekcja-naglowek h2 { margin: 0; }
.sekcja-naglowek p { margin: 0; color: var(--tekst-2); max-width: 48ch; }


/* ---------------------------------------------------------------- home hero */

.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: clamp(260px, 38vh, 640px);
  display: flex; align-items: flex-end;
  color: #fff; background: var(--zdjecie-zastepcze);
}
.hero-zdjecie { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(10, 22, 34, 0.30) 0%, rgba(10, 22, 34, 0.05) 28%, rgba(10, 22, 34, 0.42) 55%, rgba(10, 22, 34, 0.82) 100%),
    linear-gradient(90deg, rgba(10, 22, 34, 0.55) 0%, rgba(10, 22, 34, 0.18) 45%, rgba(10, 22, 34, 0) 72%);
}
.hero-tekst { padding-top: 4.5rem; padding-bottom: 1.4rem; }
.hero h1 { color: #fff; max-width: 22ch; text-shadow: 0 2px 24px rgba(0, 0, 0, 0.25); }
.hero-lead { font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem); max-width: 46ch; margin: 0; color: rgba(255, 255, 255, 0.96); text-shadow: 0 1px 12px rgba(0, 0, 0, 0.45); }

/* Telefon: kalkulator ma zaczynać się na pierwszym ekranie, więc zdjęcie jest niższe. */
@media (min-width: 900px) {
  .hero { min-height: clamp(440px, 64vh, 640px); }
  .hero-tekst { padding-top: 5rem; padding-bottom: 8.5rem; }
}

/* ---------------------------------------------------------------- calculator mount (home)
   DOM contract for /js/kalkulator-wycena.js: <section id="wycena" data-widget="wycena"> holds a
   .wycena-zakladki tablist (button.wycena-zakladka[role=tab][aria-selected][data-tryb]) and a
   <noscript> fallback line. The widget may render its form and result inside the section. */

.wycena {
  position: relative; z-index: 2;
  margin-top: 1rem;
  background: var(--powierzchnia); color: var(--tekst);
  border: 1px solid var(--linia); border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--cien-duzy);
  padding: 0.75rem 1rem 1.1rem;
}
@media (min-width: 900px) {
  .wycena { margin-top: -5.5rem; padding: 0.9rem 1.6rem 1.6rem; }
}
.wycena-zakladki { display: flex; flex-wrap: wrap; gap: 0.25rem 1.2rem; margin: 0 0 1rem; border-bottom: 1px solid var(--linia); }
.wycena-zakladka {
  font: inherit; font-weight: 650; min-height: 48px; padding: 0.5em 0.1em;
  background: none; border: 0; border-bottom: 3px solid transparent; margin-bottom: -1px;
  color: var(--tekst-2); cursor: pointer;
}
.wycena-zakladka:hover { color: var(--akcent); }
.wycena-zakladka[aria-selected="true"] { color: var(--akcent); border-bottom-color: var(--akcent); }
.wycena-bez-js { margin: 0; color: var(--tekst-2); font-size: 0.97rem; }
@media (max-width: 479px) {
  .wycena-zakladki { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  .wycena-zakladka { font-size: 0.95rem; }
}

/* ---------------------------------------------------------------- home: explainer, GUS figure, sources */

.wstep { display: grid; gap: 1.8rem; margin-top: clamp(2rem, 1.4rem + 2.5vw, 3.2rem); }
@media (min-width: 900px) {
  .wstep { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 3.5rem; align-items: center; }
}
.wstep-tekst p { margin: 0 0 1rem; font-size: clamp(1.05rem, 1rem + 0.25vw, 1.18rem); max-width: 60ch; }
.wstep-tekst p:last-child { margin-bottom: 0; }

.gus { margin: 0; padding: 0.2rem 0 0.2rem 1.2rem; border-left: 4px solid var(--akcent); }
.gus-liczba {
  margin: 0; font-family: var(--font-naglowek); font-weight: 600; line-height: 1; letter-spacing: -0.02em;
  font-size: clamp(2.4rem, 1.8rem + 3vw, 3.8rem); color: var(--akcent); white-space: nowrap;
}
.gus-jednostka { font-size: 0.42em; font-weight: 500; letter-spacing: 0; margin-left: 0.25em; color: var(--tekst-2); }
.gus-opis { margin: 0.6rem 0 0; color: var(--tekst-2); max-width: 36ch; }

.zrodla { margin: 2.4rem 0 0; padding-top: 1rem; border-top: 1px solid var(--linia); font-size: 0.85rem; color: var(--tekst-2); }
.zrodla p { margin: 0 0 0.4rem; max-width: 90ch; }
.zrodla a { color: inherit; }

/* ---------------------------------------------------------------- 404 */

.strona-404 { padding-top: clamp(3rem, 2rem + 5vw, 6rem); max-width: 40rem; }
.strona-404 p { color: var(--tekst-2); font-size: 1.1rem; }
.strona-404-akcje { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

/* ---------------------------------------------------------------- footer */

.stopka { background: var(--tlo-2); border-top: 1px solid var(--linia); margin-top: 2rem; color: var(--tekst-2); }
.stopka-wnetrze {
  max-width: var(--szer-tresci); margin: 0 auto; padding: 2.8rem var(--gutter) 1.8rem;
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 2rem;
}
@media (min-width: 720px) { .stopka-wnetrze { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); } }
.stopka-kolumna p { margin: 0 0 0.6rem; font-size: 0.95rem; }
.stopka-kolumna h2 {
  font-family: var(--font-tekst); font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em; color: var(--tekst-2); margin: 0 0 0.6em;
}
.stopka-kolumna ul { list-style: none; margin: 0; padding: 0; }
.stopka-kolumna li a, .stopka-kolumna > a:not(.marka) {
  display: inline-flex; align-items: center; min-height: 36px; color: var(--tekst); text-decoration: none; font-size: 0.95rem;
}
.stopka-kolumna li a:hover { color: var(--akcent); text-decoration: underline; }
.marka-stopka { margin-bottom: 0.4rem; }
.stopka-kontakt a { color: var(--akcent); }
.stopka-disclaimer {
  max-width: var(--szer-tresci); margin: 0 auto; padding: 1.2rem var(--gutter) 2.2rem;
  border-top: 1px solid var(--linia); font-size: 0.85rem;
}
.stopka-disclaimer p { margin: 0 0 0.4rem; max-width: 80ch; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* narrow phones: brand and two nav links must fit in 343 px without overflow */
@media (max-width: 420px) {
  .marka { font-size: 1.12rem; }
  .glowka .menu a { padding: 0 0.6rem; font-size: 0.93rem; }
  .glowka-wnetrze { gap: 0.5rem; }
}

/* text pages: o-nas, kontakt, zasady-reklamy, polityka-prywatnosci */

.strona-tekst { max-width: 44rem; padding-top: clamp(1.5rem, 1rem + 2.5vw, 3rem); }
.strona-tekst h2 { margin: 2.2rem 0 0.5rem; font-size: clamp(1.3rem, 1.15rem + 0.6vw, 1.6rem); }
.strona-tekst p { margin: 0 0 1rem; }
.strona-tekst-data { color: var(--tekst-2); font-size: 0.9rem; }
.strona-tekst .przycisk { margin: 0.2rem 0 0.6rem; }