/* ==========================================================================
   Strona testowa Nex Builder — demo Kiro
   Wszystkie kolory i typografia opierają się na zmiennych --nex-* z panelu
   wtyczki; wartości zapasowe pilnują wyglądu przed jej skonfigurowaniem.
   Selektory są prefiksowane .kd- (scoping po klasie <body class="kd">).
   ========================================================================== */

:root {
  --kd-accent:   var( --nex-accent, #6d5efc );
  --kd-accent-2: var( --nex-accent-2, #12c2e9 );
  --kd-bg:       var( --nex-bg, #ffffff );
  --kd-surface:  var( --nex-surface, #f5f6fb );
  --kd-text:     var( --nex-text, #0f1222 );
  --kd-muted:    var( --nex-muted, #5b6280 );
  --kd-line:     var( --nex-border, #e6e8f3 );
  --kd-radius:   var( --nex-radius, 18px );
  --kd-font:     var( --nex-font-sans, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif );

  --kd-shell:    min( 1180px, 100% - 44px );
  --kd-shadow:   0 24px 60px -32px rgba( 15, 18, 34, .35 );
  --kd-head-h:   72px;
}

body.kd {
  margin: 0;
  font-family: var( --kd-font );
  font-size: 17px;
  line-height: 1.6;
  color: var( --kd-text );
  background: var( --kd-bg );
  -webkit-font-smoothing: antialiased;
}

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

.kd img,
.kd svg { max-width: 100%; }

.kd a { color: inherit; }

.kd h1, .kd h2, .kd h3, .kd h4 {
  margin: 0 0 .5em;
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 700;
}

.kd p { margin: 0 0 1em; }

.kd-shell { width: var( --kd-shell ); margin-inline: auto; }

.kd-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var( --kd-text );
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
  z-index: 999;
}
.kd-skip:focus { left: 0; }

.kd :focus-visible {
  outline: 3px solid var( --kd-accent );
  outline-offset: 3px;
  border-radius: 6px;
}

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

.kd-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 60;
  transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s;
}

body.admin-bar .kd-header { top: 32px; }

@media screen and ( max-width: 782px ) {
  body.admin-bar .kd-header { top: 46px; }
}

.kd-header.is-stuck {
  background: color-mix( in srgb, var( --kd-bg ) 82%, transparent );
  backdrop-filter: blur( 14px );
  box-shadow: 0 1px 0 var( --kd-line );
}

.kd-header__inner {
  width: var( --kd-shell );
  margin-inline: auto;
  min-height: var( --kd-head-h );
  display: flex;
  align-items: center;
  gap: 28px;
}

.kd-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: -.03em;
  text-decoration: none;
}

.kd-logo__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient( 135deg, var( --kd-accent ), var( --kd-accent-2 ) );
}

.kd-logo__dot { color: var( --kd-accent ); }

.kd-nav {
  display: flex;
  gap: 4px;
  margin-inline: auto;
}

.kd-nav a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: .97rem;
  font-weight: 500;
  color: var( --kd-muted );
  text-decoration: none;
  transition: color .18s ease, background .18s ease;
}

.kd-nav a:hover { color: var( --kd-text ); background: var( --kd-surface ); }
.kd-nav a.is-active { color: var( --kd-text ); font-weight: 600; }

.kd-header__cta { display: flex; align-items: center; gap: 10px; }

.kd-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var( --kd-line );
  border-radius: 12px;
  background: var( --kd-bg );
  color: inherit;
  cursor: pointer;
}

/* --- Przyciski ------------------------------------------------------------ */

.kd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: .97rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

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

.kd-btn--solid {
  color: #fff;
  background: linear-gradient( 135deg, var( --kd-accent ), color-mix( in srgb, var( --kd-accent ) 62%, var( --kd-accent-2 ) ) );
  box-shadow: 0 12px 30px -14px var( --kd-accent );
}

.kd-btn--ghost { border-color: var( --kd-line ); background: var( --kd-bg ); }
.kd-btn--ghost:hover { background: var( --kd-surface ); }

.kd-btn--light { color: var( --kd-text ); background: #fff; }

.kd-btn--lg { padding: 16px 30px; font-size: 1.02rem; }

/* --- Sekcje --------------------------------------------------------------- */

.kd-main { padding-top: var( --kd-head-h ); }

.kd-section { padding: 96px 0; }
.kd-section--tight { padding: 64px 0; }
.kd-section--surface { background: var( --kd-surface ); }

.kd-head { max-width: 720px; margin-bottom: 52px; }
.kd-head--center { margin-inline: auto; text-align: center; }

.kd-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 14px;
  border: 1px solid var( --kd-line );
  border-radius: 999px;
  background: var( --kd-bg );
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var( --kd-muted );
}

.kd-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var( --kd-accent );
}

.kd-h2 { font-size: clamp( 1.9rem, 4vw, 2.9rem ); }
.kd-h3 { font-size: 1.18rem; }

.kd-lead { font-size: 1.08rem; color: var( --kd-muted ); }

.kd-grad {
  background: linear-gradient( 100deg, var( --kd-accent ), var( --kd-accent-2 ) );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.kd-hero { position: relative; padding: 76px 0 96px; overflow: hidden; }

.kd-hero__aura {
  position: absolute;
  inset: -30% -10% auto;
  height: 720px;
  background:
    radial-gradient( 40% 50% at 22% 30%, color-mix( in srgb, var( --kd-accent ) 26%, transparent ), transparent 70% ),
    radial-gradient( 36% 46% at 78% 18%, color-mix( in srgb, var( --kd-accent-2 ) 24%, transparent ), transparent 70% );
  filter: blur( 12px );
  pointer-events: none;
}

.kd-hero__inner { position: relative; text-align: center; }

.kd-hero__title {
  max-width: 15ch;
  margin-inline: auto;
  font-size: clamp( 2.4rem, 6.4vw, 4.4rem );
  letter-spacing: -.035em;
}

.kd-hero__lead { max-width: 60ch; margin-inline: auto; font-size: 1.16rem; color: var( --kd-muted ); }

.kd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 30px 0 16px;
}

.kd-hero__note { font-size: .9rem; color: var( --kd-muted ); }

/* Makieta aplikacji — czysty HTML/CSS, zero plików graficznych */

.kd-mock {
  margin-top: 56px;
  border: 1px solid var( --kd-line );
  border-radius: 20px;
  background: var( --kd-bg );
  box-shadow: var( --kd-shadow );
  overflow: hidden;
}

.kd-mock__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var( --kd-line );
  background: var( --kd-surface );
}

.kd-mock__dot { width: 10px; height: 10px; border-radius: 50%; background: var( --kd-line ); }
.kd-mock__url {
  margin-left: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var( --kd-bg );
  font-size: .78rem;
  color: var( --kd-muted );
}

.kd-mock__body { display: grid; grid-template-columns: 210px 1fr; min-height: 320px; text-align: left; }

.kd-mock__side { padding: 18px 14px; border-right: 1px solid var( --kd-line ); background: var( --kd-surface ); }

.kd-mock__side span {
  display: block;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: .86rem;
  color: var( --kd-muted );
}

.kd-mock__side span.is-on {
  background: var( --kd-bg );
  color: var( --kd-text );
  font-weight: 600;
  box-shadow: 0 1px 3px rgba( 15, 18, 34, .07 );
}

.kd-mock__board { display: grid; grid-template-columns: repeat( 4, 1fr ); gap: 12px; padding: 18px; }

.kd-mock__col > b {
  display: block;
  margin-bottom: 10px;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var( --kd-muted );
}

.kd-mock__card {
  margin-bottom: 10px;
  padding: 12px;
  border: 1px solid var( --kd-line );
  border-radius: 12px;
  background: var( --kd-bg );
  font-size: .82rem;
  line-height: 1.35;
}

.kd-mock__card i { display: block; font-style: normal; color: var( --kd-muted ); font-size: .76rem; }
.kd-mock__card--hot { border-color: color-mix( in srgb, var( --kd-accent ) 45%, var( --kd-line ) ); }

/* --- Pasek zaufania ------------------------------------------------------- */

.kd-trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 40px; }
.kd-trust span { font-weight: 700; letter-spacing: -.02em; color: var( --kd-muted ); }

/* --- Siatki i karty ------------------------------------------------------- */

.kd-grid { display: grid; gap: 20px; grid-template-columns: repeat( auto-fit, minmax( 280px, 1fr ) ); }
.kd-grid--2 { grid-template-columns: repeat( auto-fit, minmax( 340px, 1fr ) ); }

.kd-card {
  padding: 26px;
  border: 1px solid var( --kd-line );
  border-radius: var( --kd-radius );
  background: var( --kd-bg );
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.kd-card:hover {
  transform: translateY( -4px );
  border-color: color-mix( in srgb, var( --kd-accent ) 32%, var( --kd-line ) );
  box-shadow: var( --kd-shadow );
}

.kd-card p:last-child { margin-bottom: 0; }

.kd-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 16px;
  border-radius: 13px;
  color: var( --kd-accent );
  background: color-mix( in srgb, var( --kd-accent ) 12%, transparent );
}

.kd-card__text { color: var( --kd-muted ); font-size: .97rem; }

.kd-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var( --kd-accent );
  background: color-mix( in srgb, var( --kd-accent ) 12%, transparent );
  vertical-align: middle;
}

.kd-badge--soon { color: var( --kd-muted ); background: var( --kd-surface ); }

/* --- Kroki, statystyki, cytat --------------------------------------------- */

.kd-steps { counter-reset: kd; display: grid; gap: 22px; grid-template-columns: repeat( auto-fit, minmax( 260px, 1fr ) ); }

.kd-step { padding-top: 22px; border-top: 2px solid var( --kd-line ); }

.kd-step::before {
  counter-increment: kd;
  content: "0" counter( kd );
  display: block;
  margin-bottom: 10px;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var( --kd-accent );
}

.kd-stats { display: grid; gap: 20px; grid-template-columns: repeat( auto-fit, minmax( 190px, 1fr ) ); text-align: center; }

.kd-stat__num {
  display: block;
  font-size: clamp( 2.1rem, 5vw, 3rem );
  font-weight: 800;
  letter-spacing: -.04em;
}

.kd-stat__lab { font-size: .92rem; color: var( --kd-muted ); }

.kd-quote {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
  font-size: clamp( 1.25rem, 2.6vw, 1.72rem );
  line-height: 1.45;
  letter-spacing: -.02em;
}

.kd-quote cite { display: block; margin-top: 20px; font-size: .95rem; font-style: normal; color: var( --kd-muted ); }

/* --- Cennik --------------------------------------------------------------- */

.kd-plans { display: grid; gap: 22px; grid-template-columns: repeat( auto-fit, minmax( 290px, 1fr ) ); align-items: start; }

.kd-plan {
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var( --kd-line );
  border-radius: var( --kd-radius );
  background: var( --kd-bg );
}

.kd-plan--best {
  border-color: transparent;
  color: #fff;
  background: linear-gradient( 155deg, #171a2e, #0f1222 );
  box-shadow: var( --kd-shadow );
}

.kd-plan--best .kd-plan__desc,
.kd-plan--best .kd-plan__list li { color: rgba( 255, 255, 255, .72 ); }

.kd-plan__price { font-size: 2.5rem; font-weight: 800; letter-spacing: -.04em; }
.kd-plan__price small { font-size: .95rem; font-weight: 500; opacity: .6; }
.kd-plan__desc { min-height: 48px; color: var( --kd-muted ); font-size: .95rem; }

.kd-plan__list { margin: 22px 0; padding: 0; list-style: none; font-size: .95rem; }
.kd-plan__list li { padding: 8px 0 8px 26px; position: relative; color: var( --kd-muted ); }
.kd-plan__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 15px;
  width: 9px;
  height: 5px;
  border-left: 2px solid var( --kd-accent );
  border-bottom: 2px solid var( --kd-accent );
  transform: rotate( -45deg );
}

.kd-plan .kd-btn { margin-top: auto; }

.kd-faq { max-width: 780px; margin-inline: auto; }

.kd-faq details {
  padding: 20px 4px;
  border-bottom: 1px solid var( --kd-line );
}

.kd-faq summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.kd-faq summary::-webkit-details-marker { display: none; }
.kd-faq summary::after { content: "+"; color: var( --kd-accent ); font-size: 1.3rem; line-height: 1; }
.kd-faq details[open] summary::after { content: "–"; }
.kd-faq p { margin: 14px 0 0; color: var( --kd-muted ); font-size: .97rem; }

/* --- Formularz ------------------------------------------------------------ */

.kd-form { display: grid; gap: 16px; }
.kd-form__row { display: grid; gap: 16px; grid-template-columns: repeat( auto-fit, minmax( 220px, 1fr ) ); }
.kd-field { display: grid; gap: 7px; }
.kd-field label { font-size: .88rem; font-weight: 600; }

.kd-field input,
.kd-field textarea,
.kd-field select {
  padding: 13px 15px;
  border: 1px solid var( --kd-line );
  border-radius: 12px;
  background: var( --kd-bg );
  font: inherit;
  font-size: .97rem;
  color: inherit;
}

.kd-field textarea { min-height: 140px; resize: vertical; }

.kd-form__status { margin: 0; font-size: .92rem; color: var( --kd-muted ); }
.kd-form__status.is-err { color: #c2334d; }
.kd-form__status.is-ok { color: #12855f; }

.kd-contact { display: grid; gap: 44px; grid-template-columns: 1.25fr .75fr; align-items: start; }
.kd-contact__aside { padding: 28px; border-radius: var( --kd-radius ); background: var( --kd-surface ); }
.kd-contact__aside dt { margin-top: 16px; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var( --kd-muted ); }
.kd-contact__aside dd { margin: 4px 0 0; font-weight: 600; }
.kd-contact__aside dl { margin: 0; }

/* --- Pas CTA i stopka ----------------------------------------------------- */

.kd-cta {
  padding: 66px 40px;
  border-radius: 28px;
  text-align: center;
  color: #fff;
  background: linear-gradient( 130deg, var( --kd-accent ), color-mix( in srgb, var( --kd-accent-2 ) 70%, var( --kd-accent ) ) );
  box-shadow: var( --kd-shadow );
}

.kd-cta h2 { font-size: clamp( 1.7rem, 3.6vw, 2.5rem ); }
.kd-cta p { max-width: 52ch; margin-inline: auto; opacity: .88; }

.kd-footer { padding: 66px 0 34px; border-top: 1px solid var( --kd-line ); background: var( --kd-surface ); }

.kd-footer__top { display: grid; gap: 36px; grid-template-columns: 1.4fr repeat( 3, minmax( 130px, .8fr ) ); }
.kd-footer__desc { max-width: 34ch; margin-top: 14px; font-size: .93rem; color: var( --kd-muted ); }
.kd-footer h4 { margin-bottom: 14px; font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: var( --kd-muted ); }
.kd-footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; font-size: .95rem; }
.kd-footer a { text-decoration: none; color: var( --kd-muted ); }
.kd-footer a:hover { color: var( --kd-text ); }

.kd-footer__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var( --kd-line );
  font-size: .87rem;
  color: var( --kd-muted );
}

.kd-footer__bar p { margin: 0; }

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

.kd-js .kd-reveal { opacity: 0; transform: translateY( 26px ); }

@media ( prefers-reduced-motion: reduce ) {
  .kd-js .kd-reveal { opacity: 1; transform: none; }
  .kd-btn:hover, .kd-card:hover { transform: none; }
}

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

@media ( max-width: 980px ) {
  .kd-contact { grid-template-columns: 1fr; }
  .kd-footer__top { grid-template-columns: repeat( 2, 1fr ); }
  .kd-mock__body { grid-template-columns: 1fr; }
  .kd-mock__side { display: flex; gap: 6px; overflow-x: auto; border-right: 0; border-bottom: 1px solid var( --kd-line ); }
  .kd-mock__side span { white-space: nowrap; }
  .kd-mock__board { grid-template-columns: repeat( 2, 1fr ); }
}

@media ( max-width: 760px ) {
  .kd-section { padding: 72px 0; }
  .kd-burger { display: grid; place-items: center; }
  .kd-header__cta { display: none; }

  .kd-nav {
    position: absolute;
    inset: calc( 100% + 8px ) 22px auto;
    display: none;
    flex-direction: column;
    padding: 12px;
    border: 1px solid var( --kd-line );
    border-radius: 18px;
    background: var( --kd-bg );
    box-shadow: var( --kd-shadow );
  }

  .kd-nav.is-open { display: flex; }
  .kd-nav a { padding: 12px 14px; font-size: 1rem; }
  .kd-cta { padding: 48px 24px; }
  .kd-footer__top { grid-template-columns: 1fr; }
  .kd-mock__board { grid-template-columns: 1fr; }
}
