/**
 * Home page styles for r-econometrics.
 *
 * Loaded only on the landing page (see layouts/partials/head.html). It sits on
 * top of the liquorice theme stylesheet and reuses its grid container, so the
 * page keeps the same measure as the rest of the site.
 */

.li-home {
    --li-ink: #202020;
    --li-body: #484644;
    --li-muted: #77736f;
    --li-rule: #e3e0dc;
    --li-tint: #f7f6f4;
    --li-accent: #276dc3;      /* the blue of the R logo */
    --li-accent-dark: #1c5296;
}

.li-home h1,
.li-home h2,
.li-home h3 {
    color: var(--li-ink);
    margin: 0;
}

.li-home p {
    color: var(--li-body);
}

.li-home a {
    color: var(--li-accent);
    font-weight: normal;
}

.li-home a:hover,
.li-home a:active {
    color: var(--li-accent-dark);
}

/** Sections ****************************************************************/
.li-section {
    padding: 56px 0;
}

.li-band {
    background-color: var(--li-tint);
    border-top: 1px solid var(--li-rule);
    border-bottom: 1px solid var(--li-rule);
    padding: 56px 0;
}

.li-section-title {
    font-size: 1.6em;
    font-weight: 300;
    letter-spacing: -0.01em;
    margin-bottom: 28px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--li-rule);
}

.li-section-more {
    float: right;
    font-size: 0.55em;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 2.6;
}

/** Hero ********************************************************************/
.li-hero {
    padding: 72px 0 64px 0;
}

.li-eyebrow {
    color: var(--li-accent);
    font-size: 0.75em;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin: 0 0 14px 0;
}

.li-hero-title {
    font-size: 3em;
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: -0.02em;
    max-width: 15em;
}

.li-hero-lead {
    font-size: 1.2em;
    line-height: 1.6;
    max-width: 34em;
    margin: 20px 0 0 0;
}

.li-hero-actions {
    margin: 28px 0 0 0;
}

.li-hero-meta {
    color: var(--li-muted);
    font-size: 0.85em;
    margin: 20px 0 0 0;
}

/** Buttons *****************************************************************/
.li-btn,
.li-home a.li-btn {
    display: inline-block;
    margin: 0 10px 10px 0;
    padding: 12px 22px;
    border: 1px solid var(--li-ink);
    border-radius: 3px;
    color: var(--li-ink);
    font-size: 0.95em;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.li-btn:hover,
.li-home a.li-btn:hover {
    background-color: var(--li-tint);
    color: var(--li-ink);
}

.li-btn-primary,
.li-home a.li-btn-primary {
    background-color: var(--li-accent);
    border-color: var(--li-accent);
    color: #fff;
}

.li-btn-primary:hover,
.li-home a.li-btn-primary:hover {
    background-color: var(--li-accent-dark);
    border-color: var(--li-accent-dark);
    color: #fff;
}

.li-link-arrow,
.li-home a.li-link-arrow {
    font-size: 0.9em;
    font-weight: 600;
    text-decoration: none;
}

.li-link-arrow::after {
    content: " \2192";
}

/** Getting-started steps ***************************************************/
.li-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: none;
}

.li-step {
    list-style: none;
    margin: 0;
}

.li-step-num {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-bottom: 12px;
    border-radius: 50%;
    background-color: var(--li-ink);
    color: #fff;
    font-size: 0.85em;
    font-weight: 600;
    line-height: 30px;
    text-align: center;
}

.li-step-title {
    font-size: 1.15em;
    font-weight: 600;
    margin-bottom: 8px;
}

.li-home .li-step-title a {
    color: var(--li-ink);
    text-decoration: none;
}

.li-home .li-step-title a:hover {
    color: var(--li-accent);
}

.li-step-text {
    font-size: 0.95em;
    line-height: 1.6;
    margin: 0 0 10px 0;
}

/** Topic cards *************************************************************/
.li-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.li-home a.li-card {
    display: flex;
    flex-direction: column;
    padding: 24px;
    border: 1px solid var(--li-rule);
    border-radius: 4px;
    background-color: #fff;
    color: var(--li-body);
    text-decoration: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.li-home a.li-card:hover {
    border-color: var(--li-accent);
    box-shadow: 0 6px 18px rgba(32, 32, 32, 0.08);
    transform: translateY(-2px);
}

.li-card-tag {
    color: var(--li-muted);
    font-size: 0.7em;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.li-card-title {
    font-size: 1.25em;
    font-weight: 600;
    margin: 10px 0 0 0;
}

.li-card-blurb {
    flex: 1 1 auto;
    font-size: 0.93em;
    line-height: 1.6;
    margin: 10px 0 18px 0;
}

.li-card-foot {
    color: var(--li-muted);
    font-size: 0.82em;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.li-card-arrow {
    color: var(--li-accent);
    float: right;
    font-weight: 600;
    transition: transform 0.15s ease;
}

/** Callout *****************************************************************/
.li-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 28px 32px;
    border: 1px solid var(--li-rule);
    border-left: 4px solid var(--li-accent);
    border-radius: 4px;
    background-color: var(--li-tint);
}

.li-callout-title {
    font-size: 1.2em;
    font-weight: 600;
}

.li-callout-text {
    font-size: 0.95em;
    line-height: 1.6;
    margin: 8px 0 0 0;
    max-width: 44em;
}

.li-callout .li-btn {
    flex: none;
    margin: 0;
}

/** Blog teasers ************************************************************/
.li-posts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.li-post {
    list-style: none;
    margin: 0;
}

.li-post-date {
    color: var(--li-muted);
    font-size: 0.8em;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.li-post-title {
    font-size: 1.1em;
    font-weight: 600;
    margin: 8px 0;
}

.li-home .li-post-title a {
    color: var(--li-ink);
    text-decoration: none;
}

.li-home .li-post-title a:hover {
    color: var(--li-accent);
}

.li-post-text {
    font-size: 0.93em;
    line-height: 1.6;
    margin: 0;
}

/** About *******************************************************************/
.li-prose {
    font-size: 1em;
    line-height: 1.7;
    max-width: 42em;
}

.li-prose p {
    margin-top: 0;
}

/** Mobile ******************************************************************/
@media only screen and (max-width: 767px) {
    .li-hero {
        padding: 40px 0 32px 0;
    }

    .li-hero-title {
        font-size: 2em;
    }

    .li-hero-lead {
        font-size: 1.05em;
    }

    .li-section,
    .li-band {
        padding: 36px 0;
    }

    .li-section-more {
        float: none;
        display: block;
        line-height: 1.6;
        margin-top: 8px;
    }

    .li-callout {
        display: block;
    }

    .li-callout .li-btn {
        margin-top: 20px;
    }

    .li-btn,
    .li-home a.li-btn {
        display: block;
        margin-right: 0;
        text-align: center;
    }
}