/* ==========================================================================
   ai.css — strona „Wykorzystanie AI"
   Ten sam język co performance.css: biel + szarości, Poppins, beżowy box,
   editorialne wiersze, pastylki. Hero bez zdjęcia, bez animacji, bez tła.
   ========================================================================== */

.ai-page {
    --ai-bg:         #ffffff;
    --ai-surface:    #f4f4f5;
    --ai-gray:       #e8e8ec;
    --ai-gray-deep:  #d9d9de;
    --ai-text:       #1c1c1e;
    --ai-muted:      #6b6b73;
    --ai-faint:      #a0a0a8;
    --ai-line:       rgba(20, 20, 25, 0.10);
    --ai-box:        #f5f4f4;

    --ai-container: 1180px;
    --ai-font: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    font-family: var(--ai-font);
    color: var(--ai-text);
    background: var(--ai-bg);
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.ai-page h1,
.ai-page h2,
.ai-page h3 {
    text-transform: none;
}

.ai-hero__image {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto 24px;
    border-radius: 12px;
}
.ai-page p {
    margin: 0;
}

.ai-container {
    width: min(100% - 3rem, var(--ai-container));
    margin-inline: auto;
}

/* Wspólne elementy */

.ai-eyebrow {
    display: inline-block;
    margin: 0 0 1.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ai-faint);
}

.ai-eyebrow__dot {
    display: none;
}

.ai-section-title {
    margin: 0 0 1.75rem;
    font-size: clamp(2rem, 4vw, 3.6rem);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--ai-text);
}

.ai-section-title span {
    color: var(--ai-muted);
    font-weight: 400;
}

/* ==========================================================================
   HERO — bez zdjęcia, bez animacji, bez tła
   ========================================================================== */

.ai-hero {
    padding: 10rem 0 6rem;
    background: var(--ai-bg);
}

.ai-hero__content {
    width: min(100% - 3rem, var(--ai-container));
    margin-inline: auto;
}

.ai-hero__eyebrow {
    margin: 0 0 1.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ai-muted);
}

.ai-hero__title {
    position: relative;
    z-index: 0;
    margin: 0;
    max-width: 16ch;
    font-size: clamp(3rem, 8.5vw, 6rem);
    font-weight: 500;
    line-height: 1.06;
    letter-spacing: -0.04em;
    color: var(--ai-text);
}

/* Brzoskwiniowa kropka za pierwszą literą (jak w case study).
   --dot-top uwzględnia inline padding-top:25px na tytule w ai_use.php. */
.ai-hero__title::before {
    --dot-size: 0.6em;
    --dot-top: calc(25px - 0.00em);
    --dot-left: -0.16em;

    content: "";
    position: absolute;
    z-index: -1;
    top: var(--dot-top);
    left: var(--dot-left);
    width: var(--dot-size);
    height: var(--dot-size);
    border-radius: 50%;
    background: #ffc3a194;
    filter: blur(0px);
    pointer-events: none;
}

.ai-hero__title span {
    color: var(--ai-muted);
    font-weight: 400;
}

.ai-hero__lead {
    max-width: 48ch;
    margin: 3.25rem 0 0;
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    font-weight: 400;
    line-height: 1.65;
    color: var(--ai-muted);
}

.ai-hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 3.25rem;
}

.ai-hero__tag {
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--ai-line);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--ai-muted);
}

/* ==========================================================================
   INTRO — beżowy box (bleed w lewo) + tekst po prawej
   ========================================================================== */

.ai-intro {
    padding: 7rem 0;
}

.ai-intro__inner {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 4.5rem;
    align-items: start;
}

.ai-intro__statement {
    max-width: 16ch;
    margin: 0;
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--ai-text);
}

.ai-intro__text p {
    max-width: 60ch;
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--ai-muted);
}

.ai-intro__text p + p {
    margin-top: 1.5rem;
}

.ai-strong {
    color: var(--ai-text);
    font-weight: 500;
}

/* ==========================================================================
   OBSZARY — editorialne wiersze
   ========================================================================== */

.ai-areas {
    padding: 7rem 0;
    background: var(--ai-bg);
}

.ai-areas__header {
    max-width: 62ch;
    margin-bottom: 2rem;
}

.ai-areas__label {
    max-width: 54ch;
    margin-top: 0.25rem;
    font-size: 1.15rem;
    color: var(--ai-muted);
}

.ai-area-list {
    border-top: 1px solid var(--ai-line);
}

.ai-area {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
    align-items: start;
    padding: 3rem 0;
    border-bottom: 1px solid var(--ai-line);
}

.ai-area__head {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
}

.ai-area__num {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--ai-faint);
}

.ai-area__name {
    margin: 0;
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--ai-text);
}

.ai-area__desc {
    margin: 0;
    max-width: 60ch;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--ai-muted);
}

/* ==========================================================================
   PROJEKTY — karty
   ========================================================================== */

.ai-projects {
    padding: 7rem 0;
    background: var(--ai-surface);
}

.ai-projects__header {
    max-width: 62ch;
    margin-bottom: 3rem;
}

.ai-section-intro {
    max-width: 56ch;
    margin-top: 0.25rem;
    font-size: 1.15rem;
    color: var(--ai-muted);
}

.ai-project-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.ai-project {
    display: flex;
    flex-direction: column;
    padding: 2.5rem;
    border-radius: 20px;
    background: var(--ai-bg);
    border: 1px solid var(--ai-line);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.35s ease, box-shadow 0.35s ease;
}

.ai-project:hover {
    transform: translateY(-4px);
    border-color: var(--ai-gray-deep);
    box-shadow: 0 22px 50px rgba(20, 20, 25, 0.07);
}

.ai-project__num {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ai-faint);
}

.ai-project__name {
    margin: 1rem 0;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--ai-text);
}

.ai-project__desc {
    margin: 0 0 2rem;
    font-size: 1.02rem;
    line-height: 1.7;
    color: var(--ai-muted);
}

.ai-project__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ai-line);
}

.ai-project__tag {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ai-muted);
}

.ai-project__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--ai-text);
    text-decoration: none;
    transition: gap 0.25s ease;
}

.ai-project__link:hover {
    gap: 0.7rem;
}

.ai-project__link--muted {
    color: var(--ai-muted);
}

/* ==========================================================================
   NARZĘDZIA — pastylki
   ========================================================================== */

.ai-tools {
    padding: 7rem 0;
    background: var(--ai-bg);
}

.ai-tools__grid {
    display: grid;
    grid-template-columns: 1.35fr 1.35fr;
    gap: 3rem;
    align-items: center;
}

.ai-tools__content > p {
    max-width: 42ch;
    margin-top: 1.5rem;
    font-size: 1.15rem;
    color: var(--ai-muted);
}

.ai-tools__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-content: flex-start;
}

.ai-tool {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 1.1rem;
    border-radius: 999px;
    background: var(--ai-surface);
    border: 1px solid var(--ai-line);
    font-size: 0.92rem;
    color: var(--ai-text);
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.ai-tool__logo {
    width: 16px;
    height: 16px;
    object-fit: contain;
    flex-shrink: 0;
}

.ai-tool__ico {
    font-size: 0.9rem;
    color: var(--ai-faint);
    flex-shrink: 0;
}

.ai-tool:hover {
    transform: translateY(-2px);
    background: var(--ai-gray);
    border-color: var(--ai-gray-deep);
}

/* ==========================================================================
   Delikatne wejście na scroll (hero bez animacji)
   ========================================================================== */

.ai-reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.ai-reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ==========================================================================
   Responsywność
   ========================================================================== */

@media (max-width: 960px) {
    .ai-intro__inner,
    .ai-tools__grid,
    .ai-area,
    .ai-project-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .ai-area {
        gap: 1.25rem;
    }
}

@media (max-width: 600px) {
    .ai-hero {
        min-height: auto;
        padding: 7rem 0 3.5rem;
    }

    .ai-intro,
    .ai-areas,
    .ai-projects,
    .ai-tools {
        padding: 4.5rem 0;
    }

    .ai-project {
        padding: 2rem;
    }
}

/* ==========================================================================
   Dostępność
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .ai-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .ai-project,
    .ai-tool {
        transition: none;
    }
}