/* ==========================================================================
   MERITO — Biuro Rachunkowe
   Paleta i typografia wg "Koncept home.png", struktura wg canvasu redesignu.
   ========================================================================== */

:root {
  --navy:        #14264A;
  --navy-800:    #1C3563;
  --accent:      #4A6BB5;
  --accent-700:  #3A569A;
  --accent-100:  #E8EEF9;
  --bg:          #F7F8FA;
  --bg-alt:      #EEF1F7;
  --surface:     #FFFFFF;
  --text:        #3F4652;
  --text-muted:  #6B7280;
  --border:      #E1E6EF;
  --border-strong:#C9D2E2;

  --maxw: 1200px;
  --pad: 32px;
  --radius: 6px;
  --shadow-sm: 0 1px 2px rgba(20, 38, 74, .05);
  --shadow-md: 0 12px 32px -12px rgba(20, 38, 74, .18);

  --font-display: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 104px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-700); text-decoration: none; }
a:hover { color: var(--navy); }

h1, h2, h3, .display { font-family: var(--font-display); color: var(--navy); letter-spacing: -.02em; text-wrap: balance; }
h1 { font-size: clamp(32px, 4.3vw, 46px); font-weight: 600; line-height: 1.14; margin: 0 0 24px; }
h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 600; line-height: 1.18; margin: 0; }
h3 { font-size: 19px; font-weight: 600; line-height: 1.35; margin: 0; }
p { margin: 0 0 18px; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.section { padding: clamp(56px, 8vw, 96px) 0; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: 12px 20px; border-radius: 0 0 var(--radius) 0;
}
.skip:focus { left: 0; color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 12px; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent-700);
  margin: 0 0 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--accent); }

.lead { font-size: clamp(17px, 1.5vw, 18.5px); color: var(--text); }
.muted { color: var(--text-muted); }

/* --- Przyciski ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-display); font-size: 15.5px; font-weight: 500;
  padding: 15px 28px; border-radius: var(--radius); border: 1.5px solid transparent;
  cursor: pointer; transition: background .18s, color .18s, border-color .18s, transform .18s;
  text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--accent-700); color: #fff; }
.btn--ghost { border-color: var(--border-strong); color: var(--navy); background: transparent; }
.btn--ghost:hover { border-color: var(--navy); background: var(--accent-100); color: var(--navy); }
.btn--sm { padding: 11px 20px; font-size: 14.5px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* --- Nagłówek ------------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247, 248, 250, .9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.site-header.is-stuck { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 14px; padding-bottom: 14px; }

.brand { display: inline-flex; align-items: center; flex: none; }
.brand__logo { height: 56px; width: auto; }

.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  font-family: var(--font-display); font-size: 15px; font-weight: 500; color: var(--navy);
  padding: 9px 14px; border-radius: var(--radius); transition: background .16s, color .16s;
}
.nav a:hover, .nav a.is-active { background: var(--accent-100); color: var(--accent-700); }
.nav .btn { margin-left: 10px; }
.nav a.btn--primary, .nav a.btn--primary:hover { color: #fff; }
.nav a.btn--primary:hover { background: var(--accent-700); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 1px solid var(--border-strong);
  border-radius: var(--radius); background: transparent; cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: var(--navy); transition: transform .22s, opacity .22s;
}
.nav-toggle span { position: relative; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* --- Hero ---------------------------------------------------------------- */
.hero { position: relative; padding: clamp(48px, 6vw, 80px) 0 clamp(56px, 7vw, 88px); }
.hero__grid { display: grid; grid-template-columns: 1.14fr .86fr; gap: clamp(32px, 5vw, 60px); align-items: center; }
.hero h1 .accent { color: var(--accent); display: block; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero__media { position: relative; max-width: 430px; justify-self: end; width: 100%; }
.hero__media img {
  position: relative; z-index: 1; width: 100%; aspect-ratio: 4/5; object-fit: cover;
  border-radius: var(--radius); box-shadow: var(--shadow-md);
}
.hero__blob {
  position: absolute; z-index: 0; width: 70%; aspect-ratio: 1; border-radius: 50%;
  background: var(--accent-100); left: -16%; bottom: -10%; opacity: .8;
}
.dots {
  position: absolute; z-index: 0; bottom: 10px; opacity: .55;
  left: max(var(--pad), calc(50% - (var(--maxw) / 2) + var(--pad)));
  width: 132px; height: 54px;
  background-image: radial-gradient(var(--accent) 1.7px, transparent 1.8px);
  background-size: 18px 18px;
}
@media (max-width: 900px) { .dots { display: none; } }

/* --- Pasek liczb --------------------------------------------------------- */
.stats { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.stat { padding: 30px 26px; border-right: 1px solid var(--border); }
.stat:last-child { border-right: 0; padding-right: 0; }
.stat:first-child { padding-left: 0; }
.stat__num { font-family: var(--font-display); font-size: clamp(26px, 3vw, 34px); font-weight: 600; color: var(--navy); line-height: 1.1; }
.stat__label { font-size: 14.5px; color: var(--text-muted); margin-top: 4px; line-height: 1.4; }

/* --- Oferta -------------------------------------------------------------- */
.section-head { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(28px, 5vw, 64px); align-items: start; margin-bottom: 44px; }
.section-head > p { margin: 0; max-width: 62ch; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px 28px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card__num { font-family: var(--font-display); font-size: 12.5px; font-weight: 600; letter-spacing: .14em; color: var(--accent); }
.card p { font-size: 15.5px; line-height: 1.6; color: var(--text-muted); margin: 0; }
.card--cta { background: var(--navy); border-color: var(--navy); justify-content: space-between; }
.card--cta:hover { border-color: var(--navy); }
.card--cta h3 { color: #fff; }
.card--cta p { color: #B7C4DE; }
.card--cta a { color: #fff; font-family: var(--font-display); font-weight: 500; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,.4); padding-bottom: 3px; align-self: flex-start; }
.card--cta a:hover { color: #A8C0EE; border-color: #A8C0EE; }

/* --- O mnie -------------------------------------------------------------- */
.about__software { display: flex; align-items: center; gap: 20px; margin-top: 30px; padding-top: 26px; border-top: 1px solid var(--border); }
.badge {
  flex: none; font-family: var(--font-display); font-size: 14px; font-weight: 600;
  letter-spacing: .06em; color: var(--navy); background: var(--accent-100);
  border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 8px 16px;
}
.about__software span { font-size: 14.5px; color: var(--text-muted); line-height: 1.5; }

/* --- Opinie (przewijana taśma) ------------------------------------------- */
.trust { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.marquee {
  --gap: 20px;
  position: relative; overflow: hidden; padding: 4px 0 8px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}
.marquee__track {
  display: flex; gap: var(--gap); width: max-content; padding: 0 var(--pad);
  animation: marquee var(--duration, 52s) linear infinite;
}
/* Zatrzymanie na najechaniu i przy nawigacji klawiaturą. */
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-50% - (var(--gap) / 2))); }
}

/* Bez JS (brak sklonowanej kopii) i przy ograniczonym ruchu — zwykły
   przewijany rząd, bez animacji. */
.no-js .marquee, .marquee:not([data-cloned]) { overflow-x: auto; }
.no-js .marquee__track, .marquee:not([data-cloned]) .marquee__track { animation: none; }
@media (prefers-reduced-motion: reduce) {
  .marquee { overflow-x: auto; }
  .marquee__track { animation: none; }
}

.quote {
  /* Jawna szerokość, nie sam flex-basis: kontener taśmy ma width:max-content,
     a przy flex-shrink:0 jego rozmiar liczy się z max-content kafelków — czyli
     z tekstu rozwiniętego w jedną linię. Efektem była taśma kilkukrotnie
     szersza od widocznych kafelków i pusta luka przed zapętleniem. */
  flex: none; width: clamp(270px, 30vw, 360px);
  display: flex; flex-direction: column; gap: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 26px 24px;
}
.quote__mark {
  font-family: var(--font-display); font-size: 40px; line-height: .6; color: var(--accent);
  opacity: .5; height: 22px;
}
.quote p { font-size: 16px; line-height: 1.65; color: var(--text); margin: 0; flex: 1; }
.quote__author { display: flex; flex-direction: column; gap: 2px; padding-top: 14px; border-top: 1px solid var(--border); }
.quote__author strong { font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--navy); }
.quote__author span { font-size: 13.5px; color: var(--text-muted); }

/* --- Certyfikaty --------------------------------------------------------- */
.certs { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.certs__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cert {
  display: flex; flex-direction: column; justify-content: space-between; gap: 22px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 20px 18px; min-height: 168px; color: var(--navy);
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
.cert:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateY(-2px); color: var(--navy); }
.cert__kind { font-family: var(--font-display); font-size: 10.5px; font-weight: 600; letter-spacing: .16em; color: var(--accent); }
.cert__title { font-family: var(--font-display); font-size: 17px; font-weight: 500; line-height: 1.3; }
.cert__file { font-size: 13px; color: var(--text-muted); }

/* --- Kontakt ------------------------------------------------------------- */
.contact__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 5vw, 70px); align-items: start; }
.contact__details { display: grid; gap: 22px; margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--border); }
.contact__label { font-family: var(--font-display); font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.contact__value { font-size: 17px; color: var(--navy); line-height: 1.5; }
.contact__value a { color: var(--navy); border-bottom: 1px solid var(--border-strong); }
.contact__value a:hover { color: var(--accent-700); border-color: var(--accent); }

.form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(24px, 4vw, 36px); display: grid; gap: 20px; box-shadow: var(--shadow-sm); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field > span, .fieldset > legend { font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); padding: 0; }
.field input, .field textarea {
  font-family: var(--font-body); font-size: 16px; color: var(--navy); background: transparent;
  border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 12px 14px; outline: none;
  transition: border-color .16s, box-shadow .16s; width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-100); }
.field input:user-invalid, .field textarea:user-invalid { border-color: #C0392B; }

.fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip span {
  display: inline-block; font-size: 14.5px; padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--border-strong); color: var(--text); cursor: pointer; transition: all .16s;
}
.chip input:checked + span { background: var(--navy); border-color: var(--navy); color: #fff; }
.chip input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Pole „Inne" pojawia się dopiero po wybraniu tej kategorii.
   Bez JS zostaje widoczne od razu — wtedy jest po prostu nieobowiązkowe. */
.chip-other { margin-top: 4px; }
.chip-other[hidden] { display: none; }
.no-js .chip-other[hidden] { display: grid; }

.consent { display: flex; gap: 11px; align-items: flex-start; cursor: pointer; }
.consent input { margin-top: 4px; width: 17px; height: 17px; accent-color: var(--navy); flex: none; }
.consent span { font-size: 13.5px; line-height: 1.55; color: var(--text-muted); }

.form__status { font-size: 15px; line-height: 1.55; padding: 14px 16px; border-radius: var(--radius); margin: 0; }
.form__status[data-state="ok"]  { background: #E9F5EE; border: 1px solid #B7DCC6; color: #1E5B36; }
.form__status[data-state="err"] { background: #FBECEA; border: 1px solid #EBC3BD; color: #8E2C1E; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --- Stopka -------------------------------------------------------------- */
.site-footer { background: var(--navy); color: #fff; }
.site-footer a { color: #DCE3F0; }
.site-footer a:hover { color: #A8C0EE; }
.site-footer__grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 44px; padding-top: 54px; padding-bottom: 40px; align-items: start; }
.site-footer .brand__logo { height: 52px; }
.site-footer p { color: #9AA9C9; font-size: 14.5px; line-height: 1.6; margin: 18px 0 0; }
.site-footer h4 { font-family: var(--font-display); font-size: 11.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: #7D8FB8; margin: 0 0 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; font-size: 15px; }
.site-footer li { color: #9AA9C9; }
.site-footer__bar { border-top: 1px solid rgba(255,255,255,.12); }
.site-footer__bar .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding-top: 18px; padding-bottom: 18px; font-size: 13px; color: #7D8FB8; }

/* --- Strona treściowa (polityka prywatności) ----------------------------- */
.prose { max-width: 78ch; }
.prose h2 { font-size: 24px; margin: 40px 0 14px; }
.prose h2:first-of-type { margin-top: 28px; }
.prose ul { padding-left: 22px; margin: 0 0 18px; }
.prose li { margin-bottom: 8px; }

/* --- Animacja wejścia ---------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* --- Responsywność ------------------------------------------------------- */
@media (max-width: 1080px) {
  .cards, .certs__grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 880px) {
  :root { --pad: 22px; }
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md);
    padding: 14px var(--pad) 22px; display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 13px 12px; font-size: 16.5px; }
  .brand__logo { height: 44px; }
  .nav .btn { margin: 8px 0 0; }
  .hero__grid, .contact__grid, .section-head { grid-template-columns: 1fr; }
  .hero__media { order: -1; max-width: 460px; }
  .stats__grid { grid-template-columns: 1fr; }
  .stat {
    padding: 22px 0; border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .stat:last-child { border-bottom: 0; }
  .cards, .certs__grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16.5px; }
  .cards, .certs__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .btn { width: 100%; }
  .nav .btn { width: 100%; }
  .hero__actions .btn { width: 100%; }
}

@media print {
  .site-header, .nav-toggle, .hero__actions, .form, .site-footer__bar { display: none; }
  body { background: #fff; }
}