/* ════════════════════════════════════════════════════════════════════
   KABEX — promo-banners.css
   Sekcja: 2 banery promocyjne split 50/50 (Strefa Wykonawcy + Kompletny System)
   ════════════════════════════════════════════════════════════════════ */

.promo-banners {
    padding-block: clamp(var(--sp-6), 4vw, var(--sp-12));
    overflow: hidden;
    max-width: 100%;
}
.promo-banners__item {
    max-width: 100%;
    width: 100%;
}
.promo-banners__bg-img {
    max-width: 100%;
}

/* ── Grid split 50/50 ──────────────────────────────────────────────── */
.promo-banners__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
    min-height: 200px;
}

/* ── Pojedynczy banner ─────────────────────────────────────────────── */
.promo-banners__item {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: var(--r-md);
    text-decoration: none;
    isolation: isolate;
    min-height: 200px;
    aspect-ratio: 21 / 8;
    transition: transform var(--t-base), box-shadow var(--t-base);
}
a.promo-banners__item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ── Background image ─────────────────────────────────────────────── */
.promo-banners__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.promo-banners__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--t-slow);
}
a.promo-banners__item:hover .promo-banners__bg-img {
    transform: scale(1.04);
}

/* ── Placeholder (gdy brak zdjęcia) ───────────────────────────────── */
.promo-banners__bg--placeholder {
    background:
        repeating-linear-gradient(45deg,
            transparent 0,
            transparent 30px,
            rgba(255, 255, 255, 0.03) 30px,
            rgba(255, 255, 255, 0.03) 31px
        );
}
.promo-banners__bg--a {
    background-color: var(--color-primary);
    background-image:
        repeating-linear-gradient(45deg,
            transparent 0,
            transparent 30px,
            rgba(255, 255, 255, 0.05) 30px,
            rgba(255, 255, 255, 0.05) 31px
        ),
        linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}
.promo-banners__bg--b {
    background-color: var(--color-dark);
    background-image:
        repeating-linear-gradient(45deg,
            transparent 0,
            transparent 30px,
            rgba(245, 211, 46, 0.05) 30px,
            rgba(245, 211, 46, 0.05) 31px
        ),
        linear-gradient(135deg, var(--color-dark) 0%, #2a3a52 100%);
}

/* ── Overlay (gradient bottom-left dla czytelności tekstu) ─────────── */
.promo-banners__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(to right, rgba(20, 30, 50, 0.8) 0%, rgba(20, 30, 50, 0.3) 50%, transparent 80%),
        rgba(20, 30, 50, calc(var(--promo-overlay, 35%) / 100));
}
.promo-banners__item--text-dark .promo-banners__overlay {
    background:
        linear-gradient(to right, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.2) 50%, transparent 80%),
        rgba(255, 255, 255, calc(var(--promo-overlay, 35%) / 100));
}

/* ── Content (text + CTA) ──────────────────────────────────────────── */
.promo-banners__content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--sp-3);
    padding: clamp(var(--sp-5), 3vw, var(--sp-8));
    max-width: 60%;
}

.promo-banners__item--text-light .promo-banners__content {
    color: #fff;
}
.promo-banners__item--text-dark .promo-banners__content {
    color: var(--color-dark);
}

/* ── Headline ──────────────────────────────────────────────────────── */
.promo-banners__headline {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.8vw, 2.25rem);    /* 24 → 36px */
    font-weight: 800;
    line-height: 1.05;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin: 0;
    color: inherit;
}

/* Wariant żółtego tytułu (jak na screenie banner B "Kompletny system") */
.promo-banners__item--b .promo-banners__headline {
    color: var(--color-accent);                  /* żółty */
}
.promo-banners__item--text-dark.promo-banners__item--b .promo-banners__headline {
    color: var(--color-primary);
}

/* ── Description ────────────────────────────────────────────────────── */
.promo-banners__description {
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    font-weight: 500;
    line-height: 1.5;
    margin: 0;
    opacity: 0.95;
    max-width: 480px;
}

/* ── Button ────────────────────────────────────────────────────────── */
.promo-banners__btn {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-6);
    margin-top: var(--sp-2);
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1;
    border-radius: var(--r-md);                  /* 0 (sharp) */
    transition: transform var(--t-fast), box-shadow var(--t-fast);
}
a.promo-banners__item:hover .promo-banners__btn {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.promo-banners__btn--white  { background: #fff;                 color: var(--color-dark); }
.promo-banners__btn--yellow { background: var(--color-accent);  color: var(--color-dark); }
.promo-banners__btn--blue   { background: var(--color-primary); color: #fff; }
.promo-banners__btn--dark   { background: var(--color-dark);    color: #fff; }

/* ╔══════════════════════════════════════════════════════════════════╗
   ║ RESPONSIVE                                                       ║
   ╚══════════════════════════════════════════════════════════════════╝ */
@media (max-width: 767px) {
    /* Mobile — stack pionowy */
    .promo-banners__grid {
        grid-template-columns: 1fr;
        gap: var(--sp-3);
        min-height: auto;
    }
    .promo-banners__item {
        min-height: 160px;
        aspect-ratio: 16 / 7;
    }
    .promo-banners__content {
        max-width: 100%;
        padding: var(--sp-5);
    }
    .promo-banners__description {
        max-width: 100%;
    }
}