/* ==================================================
   PINTAR EXCEL
   GLOBAL
================================================== */

.pe-page,
.pe-single-page {
    width: 100%;
    box-sizing: border-box;
}

.pe-page *,
.pe-single-page * {
    box-sizing: border-box;
}

.pe-container,
.pe-single-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}


/* ==================================================
   HERO
================================================== */

.pe-hero {
    padding: 70px 20px;
    margin-bottom: 35px;
    text-align: center;
    background: linear-gradient(
        135deg,
        #f5f9ff,
        #eef5ff
    );
    border-radius: 24px;
}

.pe-hero-content {
    max-width: 760px;
    margin: 0 auto;
}

.pe-eyebrow,
.pe-section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.pe-eyebrow {
    margin-bottom: 12px;
}

.pe-hero h1 {
    margin: 0 0 18px;
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.15;
}

.pe-hero p {
    max-width: 680px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.8;
}


/* ==================================================
   SEARCH
================================================== */

.pe-search {
    margin-bottom: 50px;
}

.pe-search form {
    display: flex;
    max-width: 760px;
    margin: 0 auto;
}

.pe-search input {
    flex: 1;
    min-width: 0;
    height: 54px;
    padding: 0 18px;
    border: 1px solid #d8dee8;
    border-radius: 12px 0 0 12px;
    font-size: 15px;
    outline: none;
}

.pe-search input:focus {
    border-color: #7a9cff;
}

.pe-search button {
    border: 0;
    padding: 0 26px;
    border-radius: 0 12px 12px 0;
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
}


/* ==================================================
   SECTION
================================================== */

.pe-section {
    margin-bottom: 60px;
}

.pe-section-heading {
    margin-bottom: 22px;
}

.pe-section-heading h2 {
    margin: 7px 0 0;
    font-size: 28px;
    line-height: 1.3;
}


/* ==================================================
   CATEGORY
================================================== */

.pe-category-grid {
    display: grid;
    grid-template-columns: repeat(
        4,
        minmax(0, 1fr)
    );
    gap: 14px;
}

.pe-category-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px;
    border: 1px solid #e3e7ee;
    border-radius: 15px;
    text-decoration: none;
    transition:
        transform .2s ease,
        box-shadow .2s ease;
}

.pe-category-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 10px 25px rgba(
            0,
            0,
            0,
            .07
        );
}

.pe-category-card strong {
    font-size: 16px;
}

.pe-category-card span {
    font-size: 13px;
}


/* ==================================================
   ARTICLE GRID
================================================== */

.pe-article-grid {
    display: grid;
    grid-template-columns: repeat(
        3,
        minmax(0, 1fr)
    );
    gap: 24px;
}

.pe-article-card {
    overflow: hidden;
    border: 1px solid #e3e7ee;
    border-radius: 18px;
    background: #fff;
    transition:
        transform .2s ease,
        box-shadow .2s ease;
}

.pe-article-card:hover {
    transform: translateY(-4px);
    box-shadow:
        0 12px 30px rgba(
            0,
            0,
            0,
            .08
        );
}

.pe-card-image {
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.pe-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pe-card-body {
    padding: 22px;
}

.pe-card-category,
.pe-single-category {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
    text-decoration: none;
}

.pe-card-body h2,
.pe-card-body h3 {
    margin: 10px 0;
    font-size: 20px;
    line-height: 1.4;
}

.pe-card-body h2 a,
.pe-card-body h3 a {
    text-decoration: none;
}

.pe-card-body p {
    margin: 0 0 18px;
    font-size: 14px;
    line-height: 1.7;
}

.pe-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid #edf0f4;
    font-size: 13px;
}

.pe-card-footer a {
    font-weight: 700;
    text-decoration: none;
}


/* ==================================================
   PAGINATION
================================================== */

.pe-pagination {
    margin-top: 40px;
    text-align: center;
}

.pe-pagination ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 7px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.pe-pagination a,
.pe-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    padding: 0 12px;
    border: 1px solid #e0e4ea;
    border-radius: 9px;
    text-decoration: none;
}


/* ==================================================
   BREADCRUMB
================================================== */

.pe-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 35px;
    font-size: 13px;
}

.pe-breadcrumb a {
    text-decoration: none;
}


/* ==================================================
   TAXONOMY
================================================== */

.pe-taxonomy-header {
    max-width: 800px;
    margin-bottom: 45px;
}

.pe-taxonomy-header h1 {
    margin: 10px 0 14px;
    font-size: clamp(
        30px,
        5vw,
        44px
    );
}

.pe-taxonomy-header p {
    margin: 0;
    font-size: 16px;
    line-height: 1.8;
}


/* ==================================================
   SINGLE
================================================== */

.pe-single-page {
    padding: 40px 0 70px;
}

.pe-single-header {
    max-width: 850px;
    margin: 0 auto 45px;
    text-align: center;
}

.pe-single-header h1 {
    margin: 12px 0 18px;
    font-size: clamp(
        32px,
        5vw,
        48px
    );
    line-height: 1.2;
}

.pe-single-excerpt {
    font-size: 16px;
    line-height: 1.8;
}

.pe-single-meta {
    margin-top: 18px;
    font-size: 13px;
}

.pe-single-category {
    display: inline-block;
}


/* ==================================================
   FORMULA LIST
================================================== */

.pe-formula-list {
    max-width: 900px;
    margin: 0 auto;
}

.pe-formula-card {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 20px;
    margin-bottom: 25px;
    padding: 28px;
    border: 1px solid #e1e6ed;
    border-radius: 20px;
    background: #fff;
}

.pe-formula-number {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
}

.pe-formula-content h2 {
    margin: 0 0 12px;
    font-size: 25px;
    line-height: 1.35;
}

.pe-formula-description {
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.75;
}


/* ==================================================
   FORMULA BOX
================================================== */

.pe-formula-box {
    overflow: hidden;
    margin: 20px 0;
    border: 1px solid #dfe4ea;
    border-radius: 13px;
}

.pe-formula-box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 11px 14px;
    border-bottom: 1px solid #dfe4ea;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .8px;
}

.pe-formula-box code {
    display: block;
    padding: 20px;
    overflow-x: auto;
    font-family:
        Consolas,
        Monaco,
        monospace;
    font-size: 16px;
    line-height: 1.7;
    white-space: pre-wrap;
}

.pe-copy-button {
    border: 0;
    padding: 7px 12px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
}


/* ==================================================
   FORMULA SECTION
================================================== */

.pe-formula-section {
    margin-top: 22px;
}

.pe-formula-section h3 {
    margin: 0 0 8px;
    font-size: 17px;
}

.pe-formula-section p {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
}

.pe-formula-tip,
.pe-formula-note {
    margin-top: 20px;
    padding: 15px 17px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.7;
}

.pe-formula-tip {
    border-left: 4px solid #7a9cff;
}

.pe-formula-note {
    border-left: 4px solid #b5bbc5;
}


/* ==================================================
   SINGLE NAVIGATION
================================================== */

.pe-single-navigation {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 900px;
    margin: 45px auto 0;
}

.pe-nav-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 45px;
    padding: 0 18px;
    border: 1px solid #dfe4ea;
    border-radius: 10px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
}


/* ==================================================
   EMPTY
================================================== */

.pe-empty {
    padding: 60px 20px;
    text-align: center;
    border: 1px dashed #d8dde5;
    border-radius: 18px;
}

.pe-empty h2 {
    margin-top: 0;
}

.pe-empty p {
    margin-bottom: 0;
}


/* ==================================================
   RESPONSIVE
================================================== */

@media (
    max-width: 900px
) {

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

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

}


@media (
    max-width: 640px
) {

    .pe-container,
    .pe-single-container {
        width:
            calc(
                100% - 24px
            );
    }


    .pe-hero {
        padding: 45px 20px;
        border-radius: 18px;
    }


    .pe-category-grid,
    .pe-article-grid {
        grid-template-columns:
            1fr;
    }


    .pe-search form {
        display: block;
    }


    .pe-search input,
    .pe-search button {
        width: 100%;
        border-radius: 10px;
    }


    .pe-search button {
        min-height: 48px;
        margin-top: 8px;
    }


    .pe-formula-card {
        grid-template-columns:
            1fr;
        gap: 8px;
        padding: 22px;
    }


    .pe-formula-number {
        justify-content: flex-start;
        font-size: 15px;
    }


    .pe-formula-box-header {
        align-items: flex-start;
        flex-direction: column;
    }


    .pe-copy-button {
        width: 100%;
    }


    .pe-single-header h1 {
        font-size: 31px;
    }

}