/* ==========================================================================
   swiralink.com — arkusz stylów
   Paleta: Ink Navy on Cool Marble
   ========================================================================== */

:root {
  /* Kolory */
  --color-ink-navy: #0b3558;
  --color-signal-blue: #006bff;
  --color-slate-gray: #476788;
  --color-mist-gray: #a6bbd1;
  --color-cloud: #f8f9fb;
  --color-paper: #ffffff;
  --color-pebble: #f0f3f8;
  --color-hairline: #d4e0ed;
  --color-coral-magenta: #e55cff;
  --color-sky-cyan: #0099ff;
  --color-deep-cobalt: #004eba;
  --color-badge-fill: #e6f0ff;

  /* Typografia */
  --font-base: 'Manrope', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 16px;
  --text-button: 18px;
  --text-body-lg: 20px;
  --text-subheading: 28px;
  --text-heading-sm: 38px;
  --text-heading: 50px;
  --text-heading-lg: 68px;

  /* Odstępy */
  --spacing-8: 8px;
  --spacing-16: 16px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-56: 56px;
  --spacing-64: 64px;
  --spacing-72: 72px;
  --spacing-96: 96px;

  /* Układ */
  --page-max-width: 1200px;
  --page-gutter: 24px;
  --header-height: 72px;

  /* Promienie */
  --radius-small: 4px;
  --radius-buttons: 8px;
  --radius-inputs: 8px;
  --radius-productcards: 16px;
  --radius-cards: 24px;
  --radius-badges: 9999px;

  /* Cienie */
  --shadow-sm: rgba(71, 103, 136, 0.04) 0px 4px 5px 0px, rgba(71, 103, 136, 0.03) 0px 4px 10px 0px, rgba(71, 103, 136, 0.05) 0px 10px 20px 0px;
  --shadow-lg: rgba(71, 103, 136, 0.04) 0px 4px 5px 0px, rgba(71, 103, 136, 0.03) 0px 8px 15px 0px, rgba(71, 103, 136, 0.08) 0px 30px 50px 0px;
  --shadow-btn: rgba(71, 103, 136, 0.04) 0px 4px 5px 0px, rgba(71, 103, 136, 0.03) 0px 8px 15px 0px, rgba(71, 103, 136, 0.06) 0px 15px 30px 0px;

  /* Powierzchnie */
  --surface-canvas: #f8f9fb;
  --surface-card: #ffffff;
  --surface-input: #f0f3f8;
}

/* --------------------------------------------------------------------------
   Reset i podstawy
   -------------------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-ink-navy);
  background-color: var(--surface-canvas);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-signal-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-ink-navy);
  letter-spacing: -0.01em;
}

p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--color-signal-blue);
  outline-offset: 3px;
  border-radius: var(--radius-small);
}

/* --------------------------------------------------------------------------
   Elementy pomocnicze
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.section {
  padding-block: var(--spacing-72);
  position: relative;
  overflow: hidden;
}

.section--tight {
  padding-block: var(--spacing-56);
}

.section--canvas {
  background-color: var(--surface-canvas);
}

.section--paper {
  background-color: var(--color-paper);
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--color-ink-navy);
  color: var(--color-paper);
  border-radius: var(--radius-buttons);
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
  text-decoration: none;
}

/* Znaczniki / badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-badge-fill);
  color: var(--color-deep-cobalt);
  font-size: var(--text-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-badges);
  padding: 6px 14px;
  line-height: 1.5;
}

.badge--light {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

/* Nagłówki sekcji */
.section-head {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--spacing-56);
}

.section-head--left {
  margin-inline: 0;
  text-align: left;
}

.section-head h2 {
  font-size: clamp(30px, 4.6vw, var(--text-heading));
  margin-top: var(--spacing-16);
}

.section-head p {
  margin-top: var(--spacing-16);
  color: var(--color-slate-gray);
  font-size: var(--text-body-lg);
  line-height: 1.6;
}

.eyebrow {
  display: block;
  font-size: var(--text-body-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-signal-blue);
}

/* Przyciski */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: var(--text-button);
  font-weight: 600;
  line-height: 1.6;
  padding: 12px 24px;
  border-radius: var(--radius-buttons);
  border: 1px solid transparent;
  text-align: center;
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-signal-blue);
  color: var(--color-paper);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  background: #0059d6;
}

.btn--dark {
  background: var(--color-ink-navy);
  color: var(--color-paper);
}

.btn--dark:hover {
  background: #082741;
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink-navy);
  border-color: var(--color-hairline);
}

.btn--ghost:hover {
  background: var(--color-pebble);
}

.btn--white {
  background: var(--color-paper);
  color: var(--color-ink-navy);
}

.btn--outline-white {
  background: transparent;
  color: var(--color-paper);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn--block {
  width: 100%;
}

.btn--sm {
  font-size: var(--text-body-sm);
  padding: 9px 18px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: var(--text-body);
  color: var(--color-ink-navy);
}

.text-link svg {
  transition: transform 0.18s ease;
}

.text-link:hover svg {
  transform: translateX(4px);
}

/* Dekoracyjne plamy */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.28;
  pointer-events: none;
  z-index: 0;
}

.blob--magenta {
  background: var(--color-coral-magenta);
}

.blob--cyan {
  background: var(--color-sky-cyan);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-hairline);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: var(--text-body-lg);
  color: var(--color-ink-navy);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand span b {
  color: var(--color-signal-blue);
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

/* CTA wewnątrz menu widoczne wyłącznie w widoku mobilnym */
.nav .btn {
  display: none;
}

.nav a {
  display: inline-block;
  padding: 10px 14px;
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-ink-navy);
  border-radius: var(--radius-buttons);
  transition: color 0.18s ease, background-color 0.18s ease;
}

.nav a:hover,
.nav a.is-active {
  color: var(--color-signal-blue);
  background: var(--color-pebble);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--color-pebble);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-buttons);
  padding: 0;
}

.nav-toggle__bars {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--color-ink-navy);
  border-radius: 2px;
  transition: background-color 0.2s ease;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-ink-navy);
  border-radius: 2px;
  transition: transform 0.24s ease;
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  padding-block: var(--spacing-72) var(--spacing-96);
  overflow: hidden;
  background: var(--surface-canvas);
}

.hero__blob-1 {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -60px;
}

.hero__blob-2 {
  width: 340px;
  height: 340px;
  bottom: -140px;
  left: -100px;
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--spacing-64);
  align-items: center;
}

.hero__title {
  font-size: clamp(36px, 5.6vw, var(--text-heading-lg));
  margin-top: var(--spacing-24);
}

.hero__title em {
  font-style: normal;
  color: var(--color-signal-blue);
}

.hero__text {
  margin-top: var(--spacing-24);
  font-size: var(--text-body-lg);
  line-height: 1.65;
  color: var(--color-slate-gray);
  max-width: 560px;
}

.hero__actions {
  margin-top: var(--spacing-32);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16);
}

.hero__points {
  margin-top: var(--spacing-40);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16) var(--spacing-32);
  list-style: none;
}

.hero__points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-slate-gray);
}

.check-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-badge-fill);
  color: var(--color-signal-blue);
  flex-shrink: 0;
}

/* Karta formularza */
.form-card {
  position: relative;
  background: var(--surface-card);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-hairline);
}

.form-card__head h2,
.form-card__head h3 {
  font-size: var(--text-subheading);
  line-height: 1.3;
}

.form-card__head p {
  margin-top: 10px;
  color: var(--color-slate-gray);
  font-size: var(--text-body-sm);
  line-height: 1.6;
}

.form {
  margin-top: var(--spacing-24);
  display: grid;
  gap: var(--spacing-16);
}

.form__row {
  display: grid;
  gap: var(--spacing-16);
  grid-template-columns: 1fr 1fr;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-ink-navy);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--text-body);
  color: var(--color-ink-navy);
  background: var(--surface-input);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-inputs);
  padding: 12px 14px;
  transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
  appearance: none;
}

.field textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230b3558' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-mist-gray);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: var(--color-paper);
  border-color: var(--color-signal-blue);
  box-shadow: 0 0 0 3px rgba(0, 107, 255, 0.14);
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #d64550;
  background: #fff5f5;
}

.field__error {
  font-size: var(--text-caption);
  font-weight: 600;
  color: #d64550;
  min-height: 0;
  display: none;
}

.field.has-error .field__error {
  display: block;
}

.field--check {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
}

.field--check input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--color-signal-blue);
  background: var(--color-paper);
  padding: 0;
}

.field--check label {
  font-weight: 400;
  font-size: var(--text-caption);
  line-height: 1.6;
  color: var(--color-slate-gray);
}

.field--check.has-error label {
  color: #d64550;
}

.form__note {
  font-size: var(--text-caption);
  color: var(--color-slate-gray);
  text-align: center;
  line-height: 1.6;
}

.form__status {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-inputs);
  font-size: var(--text-body-sm);
  font-weight: 600;
  line-height: 1.5;
}

.form__status.is-visible {
  display: flex;
}

.form__status--ok {
  background: var(--color-badge-fill);
  color: var(--color-deep-cobalt);
}

/* --------------------------------------------------------------------------
   Pasek statystyk
   -------------------------------------------------------------------------- */

.stats {
  background: var(--color-paper);
  border-block: 1px solid var(--color-hairline);
  padding-block: var(--spacing-40);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-32);
  text-align: center;
}

.stat__value {
  font-size: var(--text-heading-sm);
  font-weight: 700;
  color: var(--color-ink-navy);
  line-height: 1.2;
}

.stat__label {
  margin-top: 6px;
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Sekcja "O nas"
   -------------------------------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-64);
  align-items: center;
  position: relative;
  z-index: 1;
}

.split--reverse .split__visual {
  order: -1;
}

.split__text h2 {
  font-size: clamp(30px, 4.4vw, var(--text-heading));
  margin-top: var(--spacing-16);
}

.split__text > p {
  margin-top: var(--spacing-24);
  color: var(--color-slate-gray);
  font-size: var(--text-body-lg);
  line-height: 1.65;
}

.split__visual {
  position: relative;
}

.feature-list {
  list-style: none;
  margin-top: var(--spacing-32);
  display: grid;
  gap: var(--spacing-24);
}

.feature-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--spacing-16);
  align-items: start;
}

.feature-list__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-badge-fill);
  color: var(--color-signal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-list h3 {
  font-size: var(--text-body-lg);
  font-weight: 600;
  line-height: 1.4;
}

.feature-list p {
  margin-top: 4px;
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  line-height: 1.65;
}

/* Karta wizualna z pseudo-UI */
.ui-card {
  position: relative;
  z-index: 1;
  background: var(--color-paper);
  border-radius: var(--radius-productcards);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-hairline);
  padding: var(--spacing-24);
}

.ui-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding-bottom: var(--spacing-16);
  border-bottom: 1px solid var(--color-hairline);
}

.ui-card__title {
  font-size: var(--text-body);
  font-weight: 700;
}

.ui-card__sub {
  font-size: var(--text-caption);
  color: var(--color-slate-gray);
  font-weight: 500;
}

.meter-list {
  list-style: none;
  display: grid;
  gap: var(--spacing-16);
  margin-top: var(--spacing-24);
}

.meter__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: var(--text-body-sm);
  font-weight: 600;
}

.meter__top span:last-child {
  color: var(--color-slate-gray);
  font-weight: 500;
  font-size: var(--text-caption);
}

.meter__track {
  margin-top: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-pebble);
  overflow: hidden;
}

.meter__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--color-signal-blue);
  width: 0;
  transition: width 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}

.meter__fill--soft {
  background: var(--color-sky-cyan);
}

.meter__fill--navy {
  background: var(--color-ink-navy);
}

.ui-card__foot {
  margin-top: var(--spacing-24);
  padding-top: var(--spacing-16);
  border-top: 1px solid var(--color-hairline);
  font-size: var(--text-caption);
  color: var(--color-slate-gray);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Siatki kart
   -------------------------------------------------------------------------- */

.cards {
  display: grid;
  gap: var(--spacing-24);
  position: relative;
  z-index: 1;
}

.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32) var(--spacing-24);
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 107, 255, 0.35);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-badge-fill);
  color: var(--color-signal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-24);
}

.card h3 {
  font-size: var(--text-body-lg);
  font-weight: 600;
  line-height: 1.4;
}

.card p {
  margin-top: 10px;
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  line-height: 1.7;
}

.card__list {
  list-style: none;
  margin-top: var(--spacing-16);
  display: grid;
  gap: 8px;
}

.card__list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  line-height: 1.6;
}

.card__list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-signal-blue);
  margin-top: 9px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Kroki poradnika
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-24);
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--spacing-24);
  align-items: start;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.step__num {
  counter-increment: step;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--color-ink-navy);
  color: var(--color-paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-body-lg);
  font-weight: 700;
}

.step__num::before {
  content: "0" counter(step);
}

.step h3 {
  font-size: var(--text-body-lg);
  font-weight: 600;
  line-height: 1.4;
}

.step p {
  margin-top: 10px;
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Porównanie routerów
   -------------------------------------------------------------------------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-40);
}

.filter-btn {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  color: var(--color-slate-gray);
  font-size: var(--text-body-sm);
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-badges);
  transition: all 0.18s ease;
}

.filter-btn:hover {
  color: var(--color-ink-navy);
  border-color: var(--color-mist-gray);
}

.filter-btn.is-active {
  background: var(--color-signal-blue);
  border-color: var(--color-signal-blue);
  color: var(--color-paper);
}

.router-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}

.router-card {
  display: flex;
  flex-direction: column;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  padding: var(--spacing-24);
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.router-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 107, 255, 0.35);
}

.router-card.is-hidden {
  display: none;
}

.router-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-16);
}

.router-card__art {
  height: 120px;
  border-radius: var(--radius-productcards);
  background: var(--color-pebble);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-signal-blue);
  margin-bottom: var(--spacing-24);
}

.router-card h3 {
  font-size: var(--text-body-lg);
  font-weight: 700;
  line-height: 1.35;
}

.router-card__kind {
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--color-slate-gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.router-card__desc {
  margin-top: var(--spacing-16);
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  line-height: 1.7;
}

.spec-list {
  list-style: none;
  margin-top: var(--spacing-24);
  display: grid;
  gap: 10px;
  padding-top: var(--spacing-16);
  border-top: 1px solid var(--color-hairline);
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-16);
  font-size: var(--text-body-sm);
  line-height: 1.5;
}

.spec-list dt,
.spec-list .spec-key {
  color: var(--color-slate-gray);
  font-weight: 500;
}

.spec-list .spec-val {
  color: var(--color-ink-navy);
  font-weight: 600;
  text-align: right;
}

.router-card__foot {
  margin-top: auto;
  padding-top: var(--spacing-24);
}

.rating {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-caption);
  font-weight: 700;
  color: var(--color-ink-navy);
  background: var(--color-pebble);
  border-radius: var(--radius-badges);
  padding: 5px 12px;
}

.rating svg {
  color: var(--color-signal-blue);
}

/* Tabela porównawcza */
.table-wrap {
  overflow-x: auto;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  box-shadow: var(--shadow-sm);
  -webkit-overflow-scrolling: touch;
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

table.compare caption {
  text-align: left;
  padding: var(--spacing-24) var(--spacing-24) 0;
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
}

table.compare th,
table.compare td {
  padding: 16px var(--spacing-24);
  text-align: left;
  font-size: var(--text-body-sm);
  line-height: 1.6;
  border-bottom: 1px solid var(--color-hairline);
}

table.compare thead th {
  background: var(--color-pebble);
  color: var(--color-ink-navy);
  font-weight: 700;
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

table.compare tbody th {
  font-weight: 700;
  color: var(--color-ink-navy);
  white-space: nowrap;
}

table.compare td {
  color: var(--color-slate-gray);
}

table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td {
  border-bottom: 0;
}

table.compare tbody tr:hover td,
table.compare tbody tr:hover th {
  background: #fbfcfe;
}

/* --------------------------------------------------------------------------
   Sekcja ciemna (proces)
   -------------------------------------------------------------------------- */

.dark-section {
  background: var(--color-ink-navy);
  color: #ffffff;
  padding-block: var(--spacing-72);
  position: relative;
  overflow: hidden;
}

.dark-section h2,
.dark-section h3 {
  color: #ffffff;
}

.dark-section .section-head p {
  color: rgba(255, 255, 255, 0.72);
}

.dark-section .eyebrow {
  color: #7fb4ff;
}

.dark-section .blob {
  opacity: 0.32;
}

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
  position: relative;
  z-index: 1;
}

.process__item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32) var(--spacing-24);
  transition: background-color 0.22s ease, transform 0.22s ease;
}

.process__item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.process__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-signal-blue);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--text-body-sm);
  margin-bottom: var(--spacing-24);
}

.process__item h3 {
  font-size: var(--text-body-lg);
  font-weight: 600;
  line-height: 1.4;
}

.process__item p {
  margin-top: 10px;
  font-size: var(--text-body-sm);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Opinie
   -------------------------------------------------------------------------- */

.review {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
  height: 100%;
}

.review__stars {
  display: flex;
  gap: 4px;
  color: var(--color-signal-blue);
}

.review p {
  font-size: var(--text-body);
  line-height: 1.75;
  color: var(--color-slate-gray);
}

.review__author {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: var(--spacing-16);
  border-top: 1px solid var(--color-hairline);
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-ink-navy);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-body-sm);
  flex-shrink: 0;
}

.review__name {
  font-weight: 700;
  font-size: var(--text-body-sm);
  color: var(--color-ink-navy);
  line-height: 1.4;
}

.review__role {
  font-size: var(--text-caption);
  color: var(--color-slate-gray);
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */

.faq {
  max-width: 860px;
  margin-inline: auto;
  display: grid;
  gap: var(--spacing-16);
}

.faq__item {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-productcards);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq__item.is-open {
  border-color: rgba(0, 107, 255, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
  padding: 20px var(--spacing-24);
  background: transparent;
  border: 0;
  text-align: left;
  font-size: var(--text-body-lg);
  font-weight: 600;
  color: var(--color-ink-navy);
  line-height: 1.45;
}

.faq__q:hover {
  color: var(--color-signal-blue);
}

.faq__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-pebble);
  color: var(--color-signal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.24s ease, background-color 0.24s ease;
}

.faq__item.is-open .faq__icon {
  transform: rotate(180deg);
  background: var(--color-badge-fill);
}

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s ease;
}

.faq__a p {
  padding: 0 var(--spacing-24) var(--spacing-24);
  font-size: var(--text-body);
  color: var(--color-slate-gray);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   Kontakt
   -------------------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--spacing-64);
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact-info {
  display: grid;
  gap: var(--spacing-24);
  margin-top: var(--spacing-32);
}

.contact-info__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--spacing-16);
  align-items: start;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  color: var(--color-signal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.contact-info__label {
  font-size: var(--text-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-slate-gray);
}

.contact-info__value {
  margin-top: 2px;
  font-size: var(--text-body);
  font-weight: 600;
  color: var(--color-ink-navy);
  line-height: 1.6;
  word-break: break-word;
}

.contact-info__value a {
  color: var(--color-ink-navy);
}

.contact-info__value a:hover {
  color: var(--color-signal-blue);
}

/* Baner CTA */
.cta-banner {
  position: relative;
  overflow: hidden;
  background: var(--color-ink-navy);
  border-radius: var(--radius-cards);
  padding: var(--spacing-64) var(--spacing-48);
  text-align: center;
  color: #ffffff;
}

.cta-banner h2 {
  color: #ffffff;
  font-size: clamp(28px, 4vw, var(--text-heading-sm));
  max-width: 720px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  position: relative;
  z-index: 1;
  margin: var(--spacing-16) auto 0;
  max-width: 620px;
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-body-lg);
  line-height: 1.6;
}

.cta-banner__actions {
  position: relative;
  z-index: 1;
  margin-top: var(--spacing-32);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16);
  justify-content: center;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-cloud);
  border-top: 1px solid var(--color-hairline);
  padding-block: var(--spacing-64) var(--spacing-32);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--spacing-48);
}

.footer__about p {
  margin-top: var(--spacing-16);
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  line-height: 1.75;
  max-width: 340px;
}

.footer__col h3 {
  font-size: var(--text-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-slate-gray);
  margin-bottom: var(--spacing-16);
}

.footer__col ul {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer__col a {
  font-size: var(--text-body-sm);
  font-weight: 500;
  color: var(--color-ink-navy);
}

.footer__col a:hover {
  color: var(--color-signal-blue);
}

.footer__col p {
  font-size: var(--text-body-sm);
  color: var(--color-slate-gray);
  line-height: 1.75;
}

.owner-box {
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-productcards);
  padding: var(--spacing-24);
  box-shadow: var(--shadow-sm);
}

.owner-box dt {
  font-size: var(--text-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-slate-gray);
}

.owner-box dd {
  margin: 4px 0 var(--spacing-16);
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-ink-navy);
  line-height: 1.6;
}

.owner-box dd:last-child {
  margin-bottom: 0;
}

.owner-box a {
  color: var(--color-ink-navy);
}

.footer__bottom {
  margin-top: var(--spacing-48);
  padding-top: var(--spacing-24);
  border-top: 1px solid var(--color-hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
}

.footer__bottom p,
.footer__bottom a {
  font-size: var(--text-caption);
  color: var(--color-slate-gray);
}

.footer__bottom nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16);
}

.footer__bottom a:hover {
  color: var(--color-signal-blue);
}

/* --------------------------------------------------------------------------
   Podstrony treściowe (polityki)
   -------------------------------------------------------------------------- */

.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-hairline);
  padding-block: var(--spacing-64);
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.page-hero h1 {
  margin-top: var(--spacing-16);
  font-size: clamp(32px, 5vw, var(--text-heading));
}

.page-hero p {
  margin-top: var(--spacing-16);
  color: var(--color-slate-gray);
  font-size: var(--text-body-lg);
  line-height: 1.6;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--text-caption);
  color: var(--color-slate-gray);
  font-weight: 500;
}

.breadcrumbs a {
  color: var(--color-slate-gray);
}

.breadcrumbs a:hover {
  color: var(--color-signal-blue);
}

.legal {
  max-width: 860px;
  margin-inline: auto;
  background: var(--color-paper);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-cards);
  padding: var(--spacing-48);
  box-shadow: var(--shadow-sm);
}

.legal h2 {
  font-size: var(--text-subheading);
  margin-top: var(--spacing-48);
  line-height: 1.35;
}

.legal h2:first-of-type {
  margin-top: 0;
}

.legal h3 {
  font-size: var(--text-body-lg);
  font-weight: 600;
  margin-top: var(--spacing-32);
}

.legal p {
  margin-top: var(--spacing-16);
  color: var(--color-slate-gray);
  line-height: 1.8;
}

.legal ul,
.legal ol {
  margin-top: var(--spacing-16);
  padding-left: 22px;
  display: grid;
  gap: 10px;
  color: var(--color-slate-gray);
  line-height: 1.75;
}

.legal li::marker {
  color: var(--color-signal-blue);
}

.legal__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--color-deep-cobalt);
  background: var(--color-badge-fill);
  border-radius: var(--radius-badges);
  padding: 6px 14px;
  margin-bottom: var(--spacing-32);
}

.legal__toc {
  background: var(--color-pebble);
  border-radius: var(--radius-productcards);
  padding: var(--spacing-24);
  margin-bottom: var(--spacing-40);
}

.legal__toc h2 {
  font-size: var(--text-body);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-slate-gray);
  font-weight: 700;
}

.legal__toc ol {
  margin: 0;
  padding-left: 20px;
  gap: 6px;
}

.legal__toc a {
  font-size: var(--text-body-sm);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Animacje pojawiania
   -------------------------------------------------------------------------- */

/* Stan ukryty stosujemy tylko wtedy, gdy JavaScript jest dostępny —
   bez niego treść pozostaje w pełni widoczna. */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   Responsywność
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-40);
  }
  .footer__about,
  .footer__owner {
    grid-column: span 2;
  }
  .process {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .router-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 960px) {
  :root {
    --header-height: 64px;
  }

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

  .nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-hairline);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-16) var(--page-gutter) var(--spacing-24);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    padding: 14px 12px;
    font-size: var(--text-button);
    border-bottom: 1px solid var(--color-hairline);
    border-radius: 0;
  }

  .nav a:last-child {
    border-bottom: 0;
  }

  .nav .btn {
    display: inline-flex;
    margin-top: var(--spacing-16);
    border-bottom: 0;
  }

  .header-actions .btn {
    display: none;
  }

  .hero__grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-48);
  }

  .split--reverse .split__visual {
    order: 0;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .cards--3,
  .cards--2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-24);
  }

  .legal {
    padding: var(--spacing-32) var(--spacing-24);
  }
}

@media (max-width: 720px) {
  :root {
    --page-gutter: 20px;
  }

  .section {
    padding-block: var(--spacing-56);
  }

  .hero {
    padding-block: var(--spacing-48) var(--spacing-64);
  }

  .cards--3,
  .cards--2,
  .cards--4,
  .router-grid,
  .process {
    grid-template-columns: 1fr;
  }

  .section-head {
    margin-bottom: var(--spacing-40);
  }

  .form-card,
  .cta-banner {
    padding: var(--spacing-24);
  }

  .cta-banner {
    padding-block: var(--spacing-40);
  }

  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__about,
  .footer__owner {
    grid-column: auto;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .step {
    padding: var(--spacing-24);
    grid-template-columns: 48px 1fr;
    gap: var(--spacing-16);
  }

  .step__num {
    width: 48px;
    height: 48px;
    font-size: var(--text-body);
  }
}

@media (max-width: 520px) {
  .form__row {
    grid-template-columns: 1fr;
  }

  .stats__grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero__actions .btn,
  .cta-banner__actions .btn {
    width: 100%;
  }

  .brand span {
    font-size: var(--text-body);
  }

  .faq__q {
    font-size: var(--text-body);
    padding: 16px var(--spacing-16);
  }

  .faq__a p {
    padding-inline: var(--spacing-16);
    padding-bottom: var(--spacing-16);
    font-size: var(--text-body-sm);
  }

  .legal {
    padding: var(--spacing-24) var(--spacing-16);
  }
}