/* =========================================================
   Bm — main.css
   Reset, typografia, kontener, CTA buttons, reduced motion.
   Ładowany po style.css (tokens).
   ========================================================= */

* { box-sizing: border-box; }
/* overflow-x: clip (nie hidden!) — clip nie tworzy kontekstu przewijania,
   więc NIE psuje position: sticky nagłówka, a wciąż blokuje poziomy scroll. */
html { scroll-behavior: smooth; overflow-x: clip; }
html, body { margin: 0; padding: 0; max-width: 100%; }

body {
    font-family: var(--f-sans);
    font-size: var(--fs-body, 16px);
    line-height: 1.7;
    /* Bezpiecznik: dlugie slowa / URL-e lamia sie zamiast wychodzic poza ekran
       (overflow-wrap jest dziedziczony, wiec dziala w calej tresci). */
    overflow-wrap: break-word;
    letter-spacing: 0.035em;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* clip, nie hidden — hidden na body czyni go kontenerem przewijania
       i unieważnia position: sticky nagłówka. clip blokuje poziomy scroll
       bez tworzenia kontekstu przewijania. */
    overflow-x: clip;
}

img { max-width: 100%; display: block; height: auto; }

/* Ochrona przed poziomym scrollem na mobile */
body.is-uniwersalny .section,
body.is-uniwersalny .bm-sec { max-width: 100%; overflow-x: hidden; }
a, a:hover, a:focus, a:visited { color: inherit; text-decoration: none; }
.site-header a, .site-footer a, .cta-btn { text-decoration: none !important; }
::selection { background: var(--c-primary); color: var(--c-bg); }

.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;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--sp-4);
}

/* Mobile: mniejszy odstep od krawedzi (16px zamiast 32px — spojnie z headerem)
   + dlugie CTA zawijaja sie zamiast wychodzic poza ekran (poziome przepelnienie). */
@media (max-width: 600px) {
    .container { padding: 0 var(--sp-2); }
    .cta-btn { white-space: normal; text-align: center; }
}

/* =========================================================
   REVEAL on scroll (JS dodaje .is-visible)
   ========================================================= */
[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.9s var(--ease-out),
        transform 0.9s var(--ease-out);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
}
[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Warianty animacji wejścia (panel „Styl sekcji" → Animacja wejścia).
   Klasa bm-anim--* na sekcji nadpisuje początkowy transform [data-reveal]. */
.bm-anim--left  [data-reveal] { transform: translateX(-44px); }
.bm-anim--right [data-reveal] { transform: translateX(44px); }
.bm-anim--scale [data-reveal] { transform: scale(0.9); }
.bm-anim--fade  [data-reveal] { transform: none; }
.bm-anim--left  [data-reveal].is-visible,
.bm-anim--right [data-reveal].is-visible,
.bm-anim--scale [data-reveal].is-visible,
.bm-anim--fade  [data-reveal].is-visible { transform: none; }
/* „Brak" — wyłącza animację dla całej sekcji (treść od razu widoczna). */
.bm-anim--none [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
}

/* =========================================================
   CTA BUTTON — slide-fill microinteraction
   ========================================================= */
.cta-btn,
.cta-btn:visited {
    position: relative;
    display: inline-flex; align-items: center; gap: 10px;
    padding: 15px 26px;
    font-family: var(--f-sans);
    font-size: 14px; font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    background: var(--c-btn, var(--c-primary));
    color: var(--c-btn-text, var(--c-surface));
    border: 1px solid var(--c-btn, var(--c-primary));
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    isolation: isolate;
    transition: color 0.4s var(--ease-out), border-color 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}
.cta-btn::before {
    content: "";
    position: absolute; inset: 0;
    background: var(--c-text);
    transform: translateY(101%);
    transition: transform 0.5s var(--ease-in-out);
    z-index: -1;
}
.cta-btn:hover,
.cta-btn:focus,
.cta-btn:visited:hover,
.cta-btn:visited:focus {
    color: var(--c-btn-text, var(--c-surface));
    border-color: var(--c-text);
    transform: translateY(-2px);
}
.cta-btn:hover::before { transform: translateY(0); }
.cta-btn:active { transform: translateY(0); }

.cta-btn .arrow {
    display: inline-block;
    transition: transform 0.4s var(--ease-out);
}
.cta-btn:hover .arrow { transform: translateX(6px); }

.cta-btn--nav { padding: 13px 22px; font-size: 12px; }

.cta-btn--light,
.cta-btn--light:visited {
    background: transparent;
    color: var(--c-bg);
    border-color: var(--c-bg);
}
.cta-btn--light::before { background: var(--c-bg); }
.cta-btn--light:hover,
.cta-btn--light:focus,
.cta-btn--light:visited:hover,
.cta-btn--light:visited:focus {
    color: var(--c-primary);
    border-color: var(--c-bg);
}

.cta-btn--dark,
.cta-btn--dark:visited {
    background: transparent;
    color: var(--c-surface);
    border-color: var(--c-surface);
}
.cta-btn--dark::before { background: var(--c-surface); }
.cta-btn--dark:hover,
.cta-btn--dark:focus,
.cta-btn--dark:visited:hover,
.cta-btn--dark:visited:focus {
    color: var(--c-text);
    border-color: var(--c-surface);
}

.cta-btn--outline,
.cta-btn--outline:visited {
    background: transparent;
    color: var(--c-btn, var(--c-primary));
    border-color: var(--c-btn, var(--c-primary));
}
.cta-btn--outline::before { background: var(--c-btn, var(--c-primary)); }
.cta-btn--outline:hover,
.cta-btn--outline:focus,
.cta-btn--outline:visited:hover,
.cta-btn--outline:visited:focus {
    color: var(--c-btn-text, var(--c-surface));
    border-color: var(--c-btn, var(--c-primary));
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    [data-reveal] { opacity: 1; transform: none; }
}