/* ==========================================================================
   iPMarket24 – układ responsywny (desktop-first)
   Testowane szerokości: 1440, 1024, 768, 390, 320 px
   ========================================================================== */

/* ---------- ≤ 1240 px ---------- */
@media (max-width: 1240px) {
    .carousel__item {
        flex-basis: calc((100% - 3 * var(--space-5)) / 4);
    }

    .stat {
        padding-inline: var(--space-6);
    }

    .site-nav__link {
        padding-inline: 0.6rem;
    }
}

/* ---------- ≤ 1120 px: menu mobilne ---------- */
@media (max-width: 1120px) {
    .nav-toggle {
        display: inline-flex;
    }

    .site-header__tools {
        margin-left: 0;
    }

    /* Panel menu wysuwa się płynnie (opacity + transform), zamiast pojawiać się skokowo */
    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-5);
        max-height: calc(100vh - var(--header-height));
        max-height: calc(100dvh - var(--header-height));
        overflow-y: auto;
        padding: var(--space-4) var(--gutter) var(--space-6);
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translate3d(0, -12px, 0);
        transition: opacity 280ms var(--ease-out), transform 380ms var(--ease-out), visibility 0s linear 380ms;
    }

    .site-nav.is-open {
        opacity: 1;
        visibility: visible;
        transform: none;
        transition: opacity 280ms var(--ease-out), transform 380ms var(--ease-out), visibility 0s;
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .site-nav__item {
        opacity: 0;
        transform: translate3d(0, -6px, 0);
        transition: opacity 300ms var(--ease-out), transform 400ms var(--ease-out);
    }

    .site-nav.is-open .site-nav__item {
        opacity: 1;
        transform: none;
    }

    .site-nav.is-open .site-nav__item:nth-child(2) { transition-delay: 30ms; }
    .site-nav.is-open .site-nav__item:nth-child(3) { transition-delay: 60ms; }
    .site-nav.is-open .site-nav__item:nth-child(4) { transition-delay: 90ms; }
    .site-nav.is-open .site-nav__item:nth-child(5) { transition-delay: 120ms; }
    .site-nav.is-open .site-nav__item:nth-child(6) { transition-delay: 150ms; }

    .site-nav__link {
        display: flex;
        min-height: 54px;
        padding-inline: var(--space-3);
        font-size: var(--text-lg);
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
    }

    .site-nav__item:last-child .site-nav__link {
        border-bottom: 0;
    }

    .site-nav__link::after {
        top: 16px;
        bottom: 16px;
        left: 0;
        right: auto;
        width: 3px;
        height: auto;
        transform: scaleY(0);
        transform-origin: center;
    }

    .site-nav__link:hover::after,
    .site-nav__link.is-active::after {
        transform: scaleY(1);
    }

    .site-nav__cta {
        width: 100%;
        min-height: 54px;
    }

    /* Bez JavaScriptu menu pozostaje widoczne pod logo */
    .no-js .nav-toggle {
        display: none;
    }

    .no-js .site-header__inner {
        flex-wrap: wrap;
        padding-block: var(--space-3);
    }

    .no-js .site-nav {
        position: static;
        width: 100%;
        max-height: none;
        padding: 0;
        border: 0;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
    }

    .no-js .site-nav__item {
        opacity: 1;
        transform: none;
    }

    .features {
        --features-per-row: 3;
    }

    .how__grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .community {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .community .reviews {
        grid-column: 1 / -1;
    }

    .reviews__list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ---------- ≤ 1024 px: tablet poziomo ---------- */
@media (max-width: 1024px) {
    .carousel__item {
        flex-basis: calc((100% - 2 * var(--space-5)) / 3);
    }

    .service-card__body {
        padding: var(--space-6) var(--space-6) var(--space-5);
    }

    .site-footer__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-intro__inner--wide {
        grid-template-columns: minmax(0, 1fr);
        max-width: calc(820px + 2 * var(--gutter));
    }

    .hero-chip--1 {
        left: -2%;
    }
}

/* ---------- ≤ 900 px ---------- */
@media (max-width: 900px) {
    .services {
        grid-template-columns: minmax(0, 1fr);
    }

    .service-card {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        align-items: end;
    }

    .service-card__body {
        height: 100%;
    }

    .service-card__media,
    .service-card--green .service-card__media {
        padding: var(--space-6) var(--space-6) 0 0;
        align-self: end;
    }

    .service-card--green .service-card__media {
        padding-bottom: var(--space-6);
        align-self: center;
    }

    .service-card__media {
        border-radius: 0 0 calc(var(--radius-xl) - 1px) 0;
    }

    .hero__inner {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-4);
    }

    .hero__stage {
        max-width: 540px;
    }

    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stat:nth-child(3) {
        border-left: 0;
    }

    .stat:nth-child(n + 3) {
        border-top: 1px solid var(--color-border);
    }
}

/* ---------- ≤ 768 px: tablet pionowo ---------- */
@media (max-width: 768px) {
    .topbar__item--area {
        display: none;
    }

    .topbar__list {
        gap: var(--space-5);
    }

    .features {
        --features-per-row: 2;
    }

    .instagram__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .carousel__item {
        flex-basis: calc((100% - var(--space-5)) / 2.25);
    }

    .community {
        grid-template-columns: minmax(0, 1fr);
    }

    .reviews__list {
        grid-template-columns: minmax(0, 1fr);
    }

    .section-header--split {
        flex-direction: column;
        align-items: flex-start;
    }

    .section-header__actions {
        width: 100%;
        justify-content: space-between;
    }
}

/* ---------- ≤ 640 px: telefony ---------- */
@media (max-width: 640px) {
    :root {
        --header-height: 64px;
    }

    .logo {
        font-size: 1.3rem;
        gap: 0.5rem;
    }

    .logo__img img {
        height: 2.2rem;
    }

    .theme-toggle,
    .nav-toggle {
        width: 42px;
        height: 42px;
    }

    .hero__eyebrow {
        margin-bottom: var(--space-5);
    }

    .hero__action {
        flex: 1 1 100%;
    }

    .hero__action .btn {
        width: 100%;
    }

    .hero-chip {
        padding: 0.4rem 0.75rem 0.4rem 0.4rem;
        font-size: var(--text-xs);
    }

    .hero-chip__icon {
        width: 24px;
        height: 24px;
    }

    .hero-chip--1 {
        top: 6%;
        left: 0;
    }

    .hero-chip--2 {
        right: 0;
        bottom: 6%;
    }

    .stat {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
        padding: var(--space-5);
    }

    .stat__icon {
        width: 44px;
        height: 44px;
    }

    .stat__value {
        font-size: 1.5rem;
    }

    .service-card {
        display: flex;
        align-items: stretch;
    }

    .service-card__media {
        padding: 0 var(--space-4);
    }

    .service-card--green .service-card__media {
        padding: 0 var(--space-4) var(--space-4);
    }

    .service-card__media {
        border-radius: 0 0 calc(var(--radius-xl) - 1px) calc(var(--radius-xl) - 1px);
    }

    .service-card__cta {
        width: 100%;
    }

    .how {
        padding: var(--space-8) var(--space-3) var(--space-3);
        border-radius: var(--radius-lg);
    }

    .how__block {
        padding: var(--space-6) var(--space-5);
    }

    /* Kroki w pionie; linia biegnie od okręgu do okręgu niezależnie od długości tekstu */
    .steps {
        flex-direction: column;
        gap: var(--space-5);
    }

    .step {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--space-4);
        padding-inline: 0;
        text-align: left;
    }

    .step::before {
        top: 44px;
        bottom: calc(-1 * var(--space-5));
        left: 21px;
        right: auto;
        width: 2px;
        height: auto;
        background: linear-gradient(180deg, #4da8ff, rgba(77, 168, 255, 0.3));
        transform-origin: center top;
    }

    .step:first-child::before {
        display: block;
    }

    .step:last-child::before {
        display: none;
    }

    .js .step::before {
        transform: scaleY(0);
    }

    .js .how.is-visible .step::before {
        transform: scaleY(1);
    }

    .js .step--1::before { transition-delay: 300ms; }
    .js .step--2::before { transition-delay: 500ms; }
    .js .step--3::before { transition-delay: 700ms; }
    .js .step--4::before { transition-delay: 900ms; }

    .step__text {
        padding-top: 11px;
        font-size: 0.9375rem;
    }

    .panel {
        padding: var(--space-6);
        border-radius: var(--radius-lg);
    }

    .site-footer__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-8);
        padding-top: var(--space-12);
    }

    .site-footer__bottom-inner {
        flex-direction: column;
    }
}

/* ---------- ≤ 520 px ---------- */
@media (max-width: 520px) {
    .topbar__inner {
        justify-content: center;
    }

    .topbar__social {
        display: none;
    }

    .topbar__list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 2px var(--space-4);
        padding-block: 6px;
    }

    .features {
        --features-per-row: 1;
    }

    .feature {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        column-gap: var(--space-4);
        align-items: start;
        padding: var(--space-5);
        text-align: left;
    }

    .feature__icon {
        grid-row: span 2;
        width: 48px;
        height: 48px;
        margin-bottom: 0;
    }

    .feature__text {
        margin-top: var(--space-1);
    }

    .carousel__item {
        flex-basis: 78%;
    }

    .newsletter__fieldset {
        flex-direction: column;
    }

    .page-intro__actions .btn {
        flex: 1 1 100%;
    }
}

/* ---------- ≤ 380 px: najmniejsze ekrany ---------- */
@media (max-width: 380px) {
    .logo__text {
        font-size: 1.15rem;
    }

    .btn--lg {
        padding-inline: 1.1rem;
    }

    .stat {
        padding: var(--space-4);
    }

    .stat__value {
        font-size: 1.3rem;
    }

    .stat__label {
        font-size: var(--text-xs);
    }

    .hero-chip--2 {
        display: none;
    }

    .instagram__profile {
        flex-wrap: wrap;
    }

    .instagram__profile .btn {
        flex: 1 1 100%;
    }

    .carousel__item {
        flex-basis: 86%;
    }
}