/* =========================================================
   Główne style serwisu CUS
   - jasna baza, akcenty inspirowane logo: granat, niebieski, czerwień
   ========================================================= */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7f8fb;
  --ink: #1d2b37;
  --muted: #748494;
  --line: #e7e7e7;
  --navy: #071e57;
  --blue: #1292ee;
  --blue-bright: #2fa4ff;
  --blue-soft: #e8f4fe;
  --red: #ff4539;
  --red-strong: #d9291f;
  --red-soft: #ffece9;
  --success: #2ed47d;
  --focus: #1292ee;
  --shadow: 0 18px 48px rgba(7, 30, 87, 0.1);
}

html {
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(18, 146, 238, 0.08), transparent 28rem),
    radial-gradient(circle at 88% 8%, rgba(255, 69, 57, 0.08), transparent 22rem),
    var(--bg);
  font-family: "Manrope", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

h1, h2, h3, .brand, .main-nav, .button {
  font-family: "Outfit", "Manrope", ui-sans-serif, system-ui, sans-serif;
}

html[data-font-size="large"] { font-size: 112.5%; }

html[data-contrast="high"] {
  --bg: #000000;
  --surface: #000000;
  --surface-soft: #050505;
  --ink: #ffe600;
  --muted: #fff08a;
  --line: #ffe600;
  --navy: #ffe600;
  --blue: #ffe600;
  --blue-bright: #ffe600;
  --blue-soft: #000000;
  --red: #ffe600;
  --red-strong: #ffe600;
  --focus: #ffffff;
  --shadow: none;
}

html[data-contrast="high"] body { background: #000000; }
html[data-contrast="high"] img:not(.brand__logo) { filter: grayscale(1) contrast(1.12); }

img { display: block; max-width: 100%; }
a { color: inherit; }

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.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;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 0.8rem;
  color: var(--red-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section { padding: 4.6rem 0; }

.section--soft {
  background: var(--surface-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section--tint-a {
  background: linear-gradient(180deg, #ffffff 0%, var(--blue-soft) 160%);
}

html[data-contrast="high"] .section--soft { background: #050505; }

.section-heading {
  max-width: 720px;
  margin-bottom: 1.8rem;
}

.section-heading::after {
  content: "";
  display: block;
  width: 72px;
  height: 4px;
  margin-top: 1rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--red), var(--blue-bright));
}

.section-heading h2 { margin: 0; line-height: 1.08; font-size: clamp(1.75rem, 3vw, 2.55rem); }

/* =========================================================
   Nagłówek i nawigacja
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(231, 231, 231, 0.9);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
}

html[data-contrast="high"] .site-header { background: rgba(0, 0, 0, 0.96); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 96px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand__logo { height: 58px; width: auto; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }

.nav-panel { display: contents; }

.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.28rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
}

.main-nav a {
  padding: 0.65rem 0.88rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: background 180ms ease, color 180ms ease;
}

.main-nav a:hover { background: var(--blue-soft); color: var(--navy); }

html[data-contrast="high"] .main-nav a:hover { color: #000000; background: var(--ink); }

.header-tools { display: flex; align-items: center; gap: 0.7rem; }

.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms ease, transform 180ms ease;
}

.header-cta:hover { background: var(--navy); transform: translateY(-1px); }

.header-cta:focus-visible,
.accessibility-tools button:focus-visible,
.button:focus-visible,
.link-card:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.accessibility-tools { display: flex; align-items: center; gap: 0.35rem; }

.accessibility-tools button {
  min-height: 44px;
  padding: 0 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.accessibility-tools button:hover { transform: translateY(-1px); }

.accessibility-tools button[aria-pressed="true"] {
  color: #ffffff;
  background: var(--navy);
  border-color: var(--navy);
}

html[data-contrast="high"] .accessibility-tools button[aria-pressed="true"] { color: #000000; background: var(--ink); }

/* =========================================================
   Hero
   ========================================================= */

.hero-section {
  position: relative;
  overflow: hidden;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.26) 0%, rgba(255, 255, 255, 0.06) 45%, rgba(255, 255, 255, 0) 100%),
    url("../img/hero-bg.webp") center right / cover no-repeat;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 1rem auto auto -8rem;
  width: 22rem;
  height: 22rem;
  border: 3.5rem solid rgba(18, 146, 238, 0.08);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 78% 36%, rgba(255, 69, 57, 0.05), transparent 23rem),
    linear-gradient(180deg, transparent 78%, rgba(255, 255, 255, 0.18) 100%);
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.6fr);
  gap: 1.5rem;
  align-items: center;
  min-height: clamp(220px, 20vw, 280px);
}

.hero-copy {
  max-width: 560px;
  margin: 0;
  padding: clamp(1.1rem, 1.8vw, 1.5rem);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 1.35rem;
  background: rgba(232, 244, 254, 0.8);
  box-shadow: 0 22px 60px rgba(7, 30, 87, 0.16);
  backdrop-filter: blur(8px);
}

.hero-copy .eyebrow { justify-content: flex-start; width: auto; }

.hero-copy h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--navy);
}

.hero-copy p {
  max-width: 100%;
  margin: 0.7rem 0 0;
  color: var(--ink);
  font-size: 0.95rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.6rem;
  margin-top: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover { transform: translateY(-2px); }

.button--primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  box-shadow: 0 14px 28px rgba(18, 146, 238, 0.22);
}

.button--secondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--navy);
}

html[data-contrast="high"] .button--primary { color: #000000; background: var(--ink); }

/* =========================================================
   Karty
   ========================================================= */

.feature-grid,
.mini-card-grid,
.link-card-grid {
  display: grid;
  gap: 1rem;
}

.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mini-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.link-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.feature-card,
.mini-card,
.content-card,
.link-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1.4rem;
  border-radius: 1.15rem;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.feature-card:hover,
.mini-card:hover,
.link-card:hover,
.content-card:hover {
  transform: translateY(-4px);
  border-color: rgba(18, 146, 238, 0.35);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
  margin-bottom: 1rem;
}

.feature-card h3 { margin: 0 0 0.55rem; font-size: 1.15rem; color: var(--navy); }

.feature-card p,
.mini-card p,
.content-card p {
  margin: 0;
  color: var(--muted);
}

.mini-card { text-align: center; }

.mini-card strong {
  display: block;
  font-size: 1.7rem;
  color: var(--navy);
}

.mini-card span {
  font-size: 0.85rem;
  color: var(--muted);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 1.5rem;
  align-items: start;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 1.5rem;
  align-items: start;
}

.content-card h2,
.info-panel h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  color: var(--navy);
}

.info-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface), var(--blue-soft) 180%);
  box-shadow: var(--shadow);
  padding: 1.4rem;
  border-radius: 1.15rem;
}

html[data-contrast="high"] .info-panel { background: #000000; }

.check-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.check-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.check-list li:before {
  content: "\2713";
  color: var(--success);
  font-weight: 700;
  margin-right: 10px;
}

.link-card {
  display: grid;
  gap: 0.35rem;
  text-decoration: none;
}

.link-card span {
  color: var(--red-strong);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
}

.link-card strong { font-size: 1.08rem; color: var(--navy); }

/* =========================================================
   Kontakt
   ========================================================= */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 1.5rem;
  align-items: start;
}

.contact-info h3 { margin-top: 0; color: var(--navy); }

.contact-item { display: flex; gap: 14px; margin-bottom: 22px; }

.contact-item .icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item strong { display: block; color: var(--navy); }
.contact-item span, .contact-item a { color: var(--muted); }

form.contact-form {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 1.15rem;
  padding: 1.75rem;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

form.contact-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 6px;
  margin-top: 16px;
  color: var(--navy);
}

form.contact-form input,
form.contact-form textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
}

form.contact-form input:focus,
form.contact-form textarea:focus {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
}

form.contact-form textarea { resize: vertical; min-height: 110px; }

form.contact-form button {
  margin-top: 22px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
}

.form-notice {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.92rem;
}

.form-notice.success { background: #e7fbf1; color: #1a9d5c; }
.form-notice.error { background: var(--red-soft); color: var(--red-strong); }

/* =========================================================
   Stopka
   ========================================================= */

.site-footer {
  padding: 2.5rem 0 1.25rem;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(7, 30, 87, 0.5), rgba(5, 15, 51, 0.58)),
    url("../img/security-band.webp") center / cover no-repeat;
  color: #cfe0f7;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 760px;
  margin: 0 auto;
  padding-top: 1.25rem;
}

.site-footer__grid > div { display: flex; flex-direction: column; align-items: center; }

.site-footer strong { color: #ffffff; letter-spacing: 0.02em; }
.site-footer p { margin: 0.45rem 0 0; }
.site-footer a { color: #cfe0f7; }

.site-footer__legal {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
}

/* =========================================================
   Animacje i dostępność ruchu
   ========================================================= */

html.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 650ms cubic-bezier(0.2, 0.8, 0.2, 1), transform 650ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

html.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html.js .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   Responsywność
   ========================================================= */

@media (max-width: 1080px) {
  .site-header__inner { flex-wrap: wrap; justify-content: center; padding: 0.9rem 0; }
  .split-grid, .content-grid { grid-template-columns: 1fr; }

  .hero-section {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.08) 55%, rgba(255, 255, 255, 0.3) 100%),
      url("../img/hero-bg.webp") center / cover no-repeat;
  }

  .hero-grid { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { max-width: 100%; }
}

@media (max-width: 820px) {
  .feature-grid, .mini-card-grid, .link-card-grid, .site-footer__grid, .contact-grid { grid-template-columns: 1fr; }

  .site-header__inner { flex-wrap: nowrap; justify-content: space-between; }

  .nav-toggle { display: inline-flex; }

  .nav-panel {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    order: 3;
    gap: 0.5rem;
    padding-top: 0.75rem;
  }

  .nav-panel.is-open {
    display: flex;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
  }

  .main-nav { flex-direction: column; align-items: stretch; gap: 0.2rem; }
  .main-nav a { width: 100%; text-align: center; }
  .header-tools { width: 100%; flex-direction: column; align-items: stretch; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 20px), 1100px); }
  .header-cta { width: 100%; justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  .section, .hero-section { padding: 2.4rem 0; }
}