/*
 * ATF Professional Line 3.0
 *
 * Hero z gradientem, naprzemienne sekcje obraz/tekst,
 * features grid 4-kolumnowy (zolte tlo), specyfikacja
 * z obrazkami, wyposazenie numerowane, adaptery, CTA.
 */

/* ── Container ── */
.a30el-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Scroll animations base ── */
.a30el .animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.a30el .animate-on-scroll.is-visible {
    opacity: 1;
    transform: none;
}

/* ── Section title (wspolny) ── */
.a30el-section-title {
    font-family: var(--font-base);
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin: 0 0 3rem;
    color: var(--color-white);
}

/* ══════════════════════════════════════════
   S1: HERO — gradient bg, image left, text right
   ══════════════════════════════════════════ */
.a30el-hero {
    background: var(--color-black);
    color: var(--color-white);
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 80px 0;
    overflow: hidden;
}

.a30el-hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.a30el-hero__img-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.a30el-hero__img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(251, 191, 36, 0.15));
}

.a30el-hero__content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.a30el-hero__title {
    font-family: var(--font-base);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin: 0;
    color: var(--color-white);
}

.a30el-hero__desc {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--dark-text);
    margin: 0;
}

/* Zolty komunikat o aktywacji/koncie/gwarancji (miedzy opisem a CTA) */
.a30el-hero__notice {
    font-size: 1.125rem;
    line-height: 1.8;
    font-weight: 600;
    color: var(--theme-accent-text);
    margin: 0;
}

/* ══════════════════════════════════════════
   S2: QUALITY — text left, image right
   ══════════════════════════════════════════ */
.a30el-quality {
    background: var(--color-white);
    color: var(--color-text);
    padding: 80px 0;
}

.a30el-quality__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.a30el-quality__text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.a30el-quality__title {
    font-family: var(--font-base);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

.a30el-quality__desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-300);
    margin: 0;
}

.a30el-quality__img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-base);
    object-fit: cover;
}

/* ══════════════════════════════════════════
   S3: PREMIUM — image left, text right
   ══════════════════════════════════════════ */
.a30el-premium {
    background: var(--gray-100);
    color: var(--color-text);
    padding: 80px 0;
}

.a30el-premium__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.a30el-premium__img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-base);
    object-fit: cover;
}

.a30el-premium__text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.a30el-premium__title {
    font-family: var(--font-base);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

.a30el-premium__desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-300);
    margin: 0;
}

/* ══════════════════════════════════════════
   S4: FEATURES GRID — 4 kolumny, zolte tlo #FFCC00
   ══════════════════════════════════════════ */
.a30el-features {
    background: #FFCC00;
    color: var(--color-black);
    padding: 80px 0;
}

.a30el-features__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.a30el-features__card {
    background: var(--color-white);
    border-radius: var(--radius-base);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease,
                background-color 0.3s ease;
}

.a30el-features__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.a30el-features__card-img-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1.5rem 0;
}

.a30el-features__card-img {
    width: 100%;
    max-height: 180px;
    object-fit: contain;
    display: block;
}

.a30el-features__card-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.a30el-features__card-title {
    font-family: var(--font-base);
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--color-black);
}

.a30el-features__card-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--gray-300);
    margin: 0;
}

/* ══════════════════════════════════════════
   S5: SPECYFIKACJA TECHNICZNA — ciemne tlo #282828
   ══════════════════════════════════════════ */
.a30el-spec {
    background: #282828;
    color: var(--color-white);
    padding: 80px 0;
}

.a30el-spec__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 3rem;
}

.a30el-spec__row:last-child {
    margin-bottom: 0;
}

/* Reversed row: image goes to end (right), text to start (left) */
.a30el-spec__row--reverse {
    direction: rtl;
}
.a30el-spec__row--reverse > * {
    direction: ltr;
}

.a30el-spec__img-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
}

.a30el-spec__img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-base);
}

.a30el-spec__text {
    display: flex;
    flex-direction: column;
}

.a30el-spec__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.a30el-spec__list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--dark-text);
}

.a30el-spec__list li:last-child {
    border-bottom: none;
}

.a30el-spec__list li strong {
    display: block;
    color: var(--color-accent-yellow);
    font-weight: 600;
    margin-bottom: 0.2rem;
}

/* ══════════════════════════════════════════
   S6: EQUIPMENT HEADER — obraz + heading
   ══════════════════════════════════════════ */
.a30el-equip-header {
    background: var(--color-white);
    color: var(--color-text);
    padding: 80px 0 40px;
}

.a30el-equip-header__inner {
    text-align: center;
}

.a30el-equip-header__img {
    max-width: 100%;
    height: auto;
    margin-bottom: 2rem;
    border-radius: var(--radius-base);
}

.a30el-equip-header__title {
    font-family: var(--font-base);
    font-size: 2.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

/* ══════════════════════════════════════════
   S7: EQUIPMENT DETAILS — dark bg, numbered items
   ══════════════════════════════════════════ */
.a30el-equip-details {
    background: #282828;
    color: var(--color-white);
    padding: 60px 0 80px;
}

.a30el-equip-details__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Kafelek jest linkiem (<a>) do strony adaptera/czesci — resetujemy styl linka.
   reset.css wymusza crimson #c36 na a:hover/:active, wiec jawnie trzymamy color:inherit
   we wszystkich stanach, zeby tekst kafelka nie zmienial koloru po kliknieciu. */
.a30el-equip-details__item {
    display: block;
    text-decoration: none;
    color: inherit;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-base);
    overflow: hidden;
    position: relative;
    transition: border-color 0.3s ease, background-color 0.3s ease,
                box-shadow 0.3s ease;
}

.a30el-equip-details__item:hover,
.a30el-equip-details__item:focus,
.a30el-equip-details__item:active,
.a30el-equip-details__item:focus-visible {
    text-decoration: none;
    color: inherit;
    border-color: var(--color-accent-yellow);
}

.a30el-equip-details__item:focus-visible {
    outline: 2px solid var(--color-accent-yellow);
    outline-offset: 2px;
}

.a30el-equip-details__number {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-family: var(--font-base);
    font-size: 1.5rem;
    font-weight: 800;
    /* Numerek lezy zawsze na bialym kadrze zdjecia (img-wrap #fff) — niezaleznie od
       trybu dark/light. Ciemny szary daje wysoki kontrast; brak wariantu dla dark mode. */
    color: #333;
    z-index: 1;
    line-height: 1;
}

.a30el-equip-details__img-wrap {
    overflow: hidden;
    /* Zdjecia produktow (adaptery/czesci) sa kwadratowe i na bialym tle.
       Kwadratowy kadr + object-fit:contain pokazuje CALY produkt bez przyciecia;
       biale tlo zlewa sie z bialym tlem zdjec (brak widocznego letterboxingu). */
    aspect-ratio: 1 / 1;
    background: #fff;
}

.a30el-equip-details__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

.a30el-equip-details__item:hover .a30el-equip-details__img {
    transform: scale(1.03);
}

.a30el-equip-details__body {
    padding: 1.25rem;
}

.a30el-equip-details__title {
    font-family: var(--font-base);
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--color-white);
}

.a30el-equip-details__desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--dark-text);
    margin: 0;
}

/* 10 kafelkow w siatce 3-kol = ostatni rzad ma 1 osamotniony kafelek (3+3+3+1).
   Wysrodkuj go w srodkowej kolumnie — tylko na desktopie (>=1024px), bo przy 2-kol
   (768-1023px) jest rowno 5x2, a na mobile 1-kol regula i tak nie obowiazuje. */
@media (min-width: 1024px) {
    .a30el-equip-details__item:last-child {
        grid-column: 2;
    }
}

/* ══════════════════════════════════════════
   S8: ADAPTERS — text left, image right
   ══════════════════════════════════════════ */
.a30el-adapters {
    background: var(--color-white);
    color: var(--color-text);
    padding: 80px 0;
}

.a30el-adapters__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.a30el-adapters__text {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.a30el-adapters__title {
    font-family: var(--font-base);
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

.a30el-adapters__desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-300);
    margin: 0;
}

.a30el-adapters__subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--gray-300);
    margin: 0.5rem 0 0;
}

.a30el-adapters__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.a30el-adapters__tag {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    padding: 0.35rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gray-400);
    transition: border-color 0.3s ease, color 0.3s ease, background-color 0.3s ease;
}

.a30el-adapters__tag:hover {
    border-color: var(--color-accent-yellow);
    color: var(--color-black);
    background: var(--color-accent-yellow-light);
}

.a30el-adapters__img-wrap {
    position: sticky;
    top: 100px;
}

.a30el-adapters__img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-base);
    object-fit: cover;
}

/* ══════════════════════════════════════════
   S9: CTA — zolte tlo #FFCC00
   ══════════════════════════════════════════ */
.a30el-cta {
    background: #FFCC00;
    padding: 2.5rem 0;
}

.a30el-cta__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.a30el-cta__text {
    font-family: var(--font-base);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-black);
}

.a30el-cta__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-black);
    font-family: var(--font-base);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--color-black);
    color: var(--theme-accent-text);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-base);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.a30el-cta__link:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.a30el-cta__arrow {
    font-size: 1.5rem;
    line-height: 1;
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */

/* Mobile */
@media (max-width: 767px) {
    .a30el-hero {
        min-height: auto;
        padding: 60px 0;
    }

    .a30el-hero__inner,
    .a30el-quality__inner,
    .a30el-premium__inner,
    .a30el-spec__row,
    .a30el-spec__row--reverse,
    .a30el-adapters__inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .a30el-spec__row--reverse {
        direction: ltr;
    }

    .a30el-hero__title {
        font-size: 2rem;
    }

    .a30el-hero__img-wrap {
        order: -1;
    }

    .a30el-features__grid {
        grid-template-columns: 1fr;
    }

    .a30el-equip-details__grid {
        grid-template-columns: 1fr;
    }

    .a30el-section-title,
    .a30el-equip-header__title {
        font-size: 1.75rem;
    }

    .a30el-quality__title,
    .a30el-premium__title,
    .a30el-adapters__title {
        font-size: 1.5rem;
    }

    .a30el-adapters__img-wrap {
        position: static;
    }

    .a30el-cta__inner {
        flex-direction: column;
        text-align: center;
    }

    .a30el-cta__text {
        font-size: 1.1rem;
    }

    .a30el-cta__link {
        font-size: 1.1rem;
    }
}

/* ══════════════════════════════════════════
   LIGHT THEME OVERRIDES
   ══════════════════════════════════════════ */

/* Section title (shared) */
[data-theme="light"] .a30el-section-title {
    color: var(--theme-heading);
}

/* Hero — gradient becomes lighter */
[data-theme="light"] .a30el-hero {
    background: linear-gradient(135deg, #e8eaf0 0%, #dce3ed 50%, #cdd8eb 100%);
    color: var(--theme-text);
}

[data-theme="light"] .a30el-hero__title {
    color: var(--theme-heading);
}

[data-theme="light"] .a30el-hero__desc {
    color: var(--theme-text-secondary);
}

[data-theme="light"] .a30el-hero__img {
    filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.1));
}

/* Quality — already white-bg, but let's bind to theme vars */
[data-theme="light"] .a30el-quality {
    background: var(--theme-card-bg);
}

[data-theme="light"] .a30el-quality__title {
    color: var(--theme-heading);
}

[data-theme="light"] .a30el-quality__desc {
    color: var(--theme-text-secondary);
}

/* Premium — gray bg section */
[data-theme="light"] .a30el-premium {
    background: var(--theme-card-bg-hover);
}

[data-theme="light"] .a30el-premium__title {
    color: var(--theme-heading);
}

[data-theme="light"] .a30el-premium__desc {
    color: var(--theme-text-secondary);
}

/* Features cards (on yellow bg — cards should be clean white) */
[data-theme="light"] .a30el-features__card {
    background: var(--theme-card-bg);
    box-shadow: var(--theme-shadow-sm);
}

[data-theme="light"] .a30el-features__card:hover {
    box-shadow: var(--theme-shadow);
}

[data-theme="light"] .a30el-features__card-title {
    color: var(--theme-heading);
}

[data-theme="light"] .a30el-features__card-desc {
    color: var(--theme-text-secondary);
}

/* Spec section — dark bg in dark mode, light in light mode */
[data-theme="light"] .a30el-spec {
    background: var(--theme-card-bg-hover);
    color: var(--theme-text);
}

[data-theme="light"] .a30el-spec__list li {
    color: var(--theme-text);
    border-bottom-color: var(--theme-border);
}

[data-theme="light"] .a30el-spec__list li strong {
    color: #9a7b00;
}

/* Equipment header */
[data-theme="light"] .a30el-equip-header {
    background: var(--theme-card-bg);
}

[data-theme="light"] .a30el-equip-header__title {
    color: var(--theme-heading);
}

/* Equipment details — dark bg section */
[data-theme="light"] .a30el-equip-details {
    background: var(--theme-bg);
    color: var(--theme-text);
}

[data-theme="light"] .a30el-equip-details__item {
    background: var(--theme-card-bg);
    border-color: var(--theme-border);
    box-shadow: var(--theme-shadow-sm);
}

[data-theme="light"] .a30el-equip-details__item:hover {
    border-color: #d4a00a;
}

[data-theme="light"] .a30el-equip-details__title {
    color: var(--theme-heading);
}

[data-theme="light"] .a30el-equip-details__desc {
    color: var(--theme-text-secondary);
}

/* Adapters */
[data-theme="light"] .a30el-adapters {
    background: var(--theme-card-bg);
}

[data-theme="light"] .a30el-adapters__title {
    color: var(--theme-heading);
}

[data-theme="light"] .a30el-adapters__desc {
    color: var(--theme-text-secondary);
}

[data-theme="light"] .a30el-adapters__subtitle {
    color: var(--theme-text-muted);
}

[data-theme="light"] .a30el-adapters__tag {
    background: var(--theme-card-bg-hover);
    border-color: var(--theme-border);
    color: var(--theme-text-secondary);
}

/* CTA link button — invert for light mode */
[data-theme="light"] .a30el-cta__link {
    background: var(--theme-heading);
    color: var(--theme-accent-text);
}

/* Transitions for smooth theme switching
   Note: .a30el-features__card i .a30el-equip-details__item maja transition inline
   (wlaczaja tez transform/box-shadow na hover) */
.a30el-section-title,
.a30el-hero,
.a30el-hero__title,
.a30el-hero__desc,
.a30el-hero__notice,
.a30el-quality,
.a30el-quality__title,
.a30el-quality__desc,
.a30el-premium,
.a30el-premium__title,
.a30el-premium__desc,
.a30el-features__card-title,
.a30el-features__card-desc,
.a30el-spec,
.a30el-spec__list li,
.a30el-equip-header,
.a30el-equip-header__title,
.a30el-equip-details,
.a30el-equip-details__title,
.a30el-equip-details__desc,
.a30el-adapters,
.a30el-adapters__title,
.a30el-adapters__desc,
.a30el-adapters__tag {
    transition: background 0.3s ease, background-color 0.3s ease,
                color 0.3s ease, border-color 0.3s ease,
                box-shadow 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
    .a30el-section-title,
    .a30el-hero,
    .a30el-hero__title,
    .a30el-hero__desc,
    .a30el-quality,
    .a30el-quality__title,
    .a30el-quality__desc,
    .a30el-premium,
    .a30el-premium__title,
    .a30el-premium__desc,
    .a30el-features__card,
    .a30el-features__card-title,
    .a30el-features__card-desc,
    .a30el-spec,
    .a30el-spec__list li,
    .a30el-equip-header,
    .a30el-equip-header__title,
    .a30el-equip-details,
    .a30el-equip-details__item,
    .a30el-equip-details__title,
    .a30el-equip-details__desc,
    .a30el-adapters,
    .a30el-adapters__title,
    .a30el-adapters__desc,
    .a30el-adapters__tag {
        transition: none;
    }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
    .a30el-hero__inner,
    .a30el-quality__inner,
    .a30el-premium__inner,
    .a30el-spec__row,
    .a30el-spec__row--reverse,
    .a30el-adapters__inner {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .a30el-spec__row--reverse {
        direction: ltr;
    }

    .a30el-hero__title {
        font-size: 2.5rem;
    }

    .a30el-features__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .a30el-equip-details__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .a30el-adapters__img-wrap {
        position: static;
    }
}