* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
}

.site-shell {
    width: min(1220px, calc(100% - 40px));
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: stretch;
    gap: 28px;
    padding: 40px 0 24px;
}

.hero-copy,
.hero-visual,
.feature-card,
.article-card,
.aside-box,
.site-footer {
    border-radius: 24px;
}

.hero-copy {
    padding: 54px;
}

.eyebrow,
.feature-kicker,
.aside-label,
.visual-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-copy h1 {
    margin: 18px 0 18px;
    line-height: 1.04;
}

.lead {
    max-width: 58ch;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 28px 0;
}

.button-primary,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}

.button-primary:hover,
.button-secondary:hover,
.feature-link:hover,
.tag:hover,
#up:hover,
.hero-visual:hover {
    transform: translateY(-2px);
}

.hero-note {
    padding-top: 22px;
}

.hero-visual,
.card-photo,
.feature-image {
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.hero-visual {
    min-height: 540px;
    position: relative;
    overflow: hidden;
    display: block;
}

.visual-badge {
    position: absolute;
    left: 28px;
    bottom: 28px;
    padding: 10px 16px;
    border-radius: 999px;
}

.featured {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 22px;
    padding: 12px 0 40px;
}

.feature-card {
    overflow: hidden;
    min-height: 320px;
}

.feature-card-large {
    min-height: 360px;
}

.feature-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.feature-image {
    min-height: 205px;
}

.feature-card-large .feature-image {
    min-height: 240px;
}

.feature-content {
    padding: 24px 24px 26px;
    flex: 1;
}

.feature-content h2 {
    margin: 12px 0 12px;
}

.feature-content p {
    margin: 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding-bottom: 46px;
}

.article-aside {
    position: sticky;
    top: 24px;
    display: grid;
    gap: 18px;
}

.aside-box {
    padding: 26px;
}

.aside-box h3 {
    margin: 12px 0 12px;
}

.aside-box ul {
    margin: 14px 0 0;
    padding-left: 18px;
}

.aside-box li + li {
    margin-top: 10px;
}

.article-card {
    padding: 38px;
    margin-top: 26px;
}

.article-header {
    max-width: 760px;
    margin-bottom: 26px;
}

.article-header h2 {
    margin: 14px 0 10px;
}

.article-intro {
    margin: 0;
}

.article-hero-image {
    margin: 0 0 28px;
    overflow: hidden;
    border-radius: 20px;
}

.article-hero-image img {
    width: 100%;
    aspect-ratio: 16 / 8.5;
    object-fit: cover;
}

.article-content {
    max-width: 820px;
}

.article-content h2 {
    margin: 0 0 22px;
}

.article-content p {
    margin: 0 0 20px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.tag {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 16px;
    border-radius: 999px;
    transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}

.site-footer {
    padding: 28px 32px;
    margin: 0 0 34px;
}

.site-footer p {
    margin: 0;
    text-align: center;
}

#up {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 52px;
    height: 52px;
    border: 0;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform .25s ease, background .25s ease;
}

@media (max-width: 1100px) {
    .hero {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 420px;
    }

    .featured {
        grid-template-columns: 1fr;
    }

    .article-layout {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 720px) {
    .site-shell {
        width: min(100% - 24px, 1220px);
    }

    .hero {
        gap: 18px;
        padding-top: 18px;
    }

    .hero-copy,
    .article-card,
    .aside-box,
    .site-footer {
        padding: 24px;
    }

    .hero-visual {
        min-height: 300px;
    }

    .visual-badge {
        left: 18px;
        bottom: 18px;
    }

    .feature-content {
        padding: 20px;
    }

    .article-aside {
        grid-template-columns: 1fr;
    }

    .article-card {
        padding: 24px 20px;
    }

    .article-hero-image img {
        aspect-ratio: 16 / 10;
    }

    .button-primary,
    .button-secondary {
        width: 100%;
    }
}