:root {
    --yiac-green: #1f6f4a;
    --yiac-green-dark: #12462f;
    --yiac-green-soft: #eaf5ee;
    --yiac-gold: #e5b84b;
    --yiac-ink: #173126;
    --yiac-muted: #65746d;
    --yiac-border: #dfe8e3;
    --yiac-white: #ffffff;
    --yiac-cream: #f8fbf7;
}

.yiac-home {
    background: var(--yiac-white);
    color: var(--yiac-ink);
    font-family: inherit;
}

.yiac-container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.yiac-hero {
    padding: 80px 0 64px;
    background: linear-gradient(135deg, #f7fbf8 0%, #eaf5ee 100%);
}

.yiac-hero-grid,
.yiac-content-grid,
.yiac-newsletter-box {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
    gap: 40px;
    align-items: center;
}

.yiac-eyebrow {
    margin: 0 0 12px;
    color: var(--yiac-green);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.yiac-hero h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(2.8rem, 6vw, 5.8rem);
    line-height: .95;
    letter-spacing: -0.06em;
}

.yiac-hero-text {
    max-width: 650px;
    margin: 26px 0 0;
    color: var(--yiac-muted);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.65;
}

.yiac-button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.yiac-button,
.yiac-signup-form button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}

.yiac-button:hover,
.yiac-signup-form button:hover {
    transform: translateY(-1px);
}

.yiac-button-primary,
.yiac-signup-form button {
    background: var(--yiac-green);
    color: var(--yiac-white);
    box-shadow: 0 12px 30px rgba(31,111,74,.18);
}

.yiac-button-secondary {
    background: var(--yiac-white);
    color: var(--yiac-green-dark);
    border: 1px solid var(--yiac-border);
}

.yiac-hero-card,
.yiac-sidebar-card,
.yiac-topic-card,
.yiac-post-card,
.yiac-newsletter-box,
.yiac-latest-item {
    border: 1px solid var(--yiac-border);
    border-radius: 28px;
    background: var(--yiac-white);
    box-shadow: 0 18px 55px rgba(18,70,47,.08);
}

.yiac-hero-card {
    padding: 34px;
    position: relative;
    overflow: hidden;
}

.yiac-hero-card:before {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    right: -45px;
    top: -45px;
    border-radius: 999px;
    background: var(--yiac-gold);
    opacity: .22;
}

.yiac-card-label {
    display: inline-flex;
    margin-bottom: 18px;
    padding: 7px 12px;
    border-radius: 999px;
    background: var(--yiac-green-soft);
    color: var(--yiac-green-dark);
    font-size: .78rem;
    font-weight: 800;
}

.yiac-hero-card h2,
.yiac-sidebar-card h2,
.yiac-newsletter h2 {
    margin: 0 0 14px;
    font-size: clamp(1.55rem, 2.2vw, 2.2rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.yiac-hero-card p,
.yiac-sidebar-card p,
.yiac-newsletter p,
.yiac-topic-card p,
.yiac-post-card p {
    color: var(--yiac-muted);
    line-height: 1.65;
}

.yiac-section {
    padding: 72px 0;
}

.yiac-start,
.yiac-latest {
    background: var(--yiac-white);
}

.yiac-featured,
.yiac-newsletter {
    background: var(--yiac-cream);
}

.yiac-section-heading {
    max-width: 720px;
    margin-bottom: 28px;
}

.yiac-section-heading h2 {
    margin: 0;
    font-size: clamp(2rem, 3vw, 3.1rem);
    line-height: 1.05;
    letter-spacing: -0.05em;
}

.yiac-heading-row {
    max-width: none;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: end;
}

.yiac-topic-grid,
.yiac-post-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.yiac-topic-card {
    padding: 24px;
    text-decoration: none;
    color: var(--yiac-ink);
}

.yiac-topic-card span {
    display: block;
    font-size: 1.15rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.yiac-content-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
}

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

.yiac-post-card {
    overflow: hidden;
}

.yiac-post-image {
    display: block;
    aspect-ratio: 4 / 3;
    background: var(--yiac-green-soft);
    overflow: hidden;
}

.yiac-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yiac-placeholder-image {
    height: 100%;
    display: grid;
    place-items: center;
    color: var(--yiac-green);
    font-size: 2rem;
    font-weight: 900;
}

.yiac-post-content {
    padding: 22px;
}

.yiac-post-meta {
    margin: 0 0 8px;
    font-size: .82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.yiac-post-card h3,
.yiac-latest-item h3 {
    margin: 0 0 10px;
    font-size: 1.15rem;
    line-height: 1.22;
}

.yiac-post-card a,
.yiac-latest-item a {
    color: var(--yiac-ink);
    text-decoration: none;
}

.yiac-sidebar-card {
    padding: 30px;
    position: sticky;
    top: 24px;
}

.yiac-text-link {
    color: var(--yiac-green);
    font-weight: 900;
    text-decoration: none;
}

.yiac-newsletter-box {
    padding: 34px;
}

.yiac-signup-form {
    display: flex;
    gap: 10px;
}

.yiac-signup-form input {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--yiac-border);
    border-radius: 999px;
    padding: 0 18px;
    font: inherit;
}

.yiac-signup-form button {
    border: 0;
    cursor: pointer;
    white-space: nowrap;
}

.yiac-latest-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.yiac-latest-item {
    padding: 20px;
}

.yiac-latest-item span {
    display: block;
    color: var(--yiac-green);
    font-size: .82rem;
    font-weight: 900;
    margin-bottom: 8px;
}

@media (max-width: 900px) {
    .yiac-hero-grid,
    .yiac-content-grid,
    .yiac-newsletter-box {
        grid-template-columns: 1fr;
    }

    .yiac-topic-grid,
    .yiac-post-grid,
    .yiac-latest-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .yiac-sidebar-card {
        position: static;
    }
}

@media (max-width: 640px) {
    .yiac-container {
        width: min(100% - 28px, 1120px);
    }

    .yiac-hero {
        padding: 56px 0 44px;
    }

    .yiac-section {
        padding: 52px 0;
    }

    .yiac-topic-grid,
    .yiac-post-grid,
    .yiac-latest-list {
        grid-template-columns: 1fr;
    }

    .yiac-signup-form,
    .yiac-heading-row {
        flex-direction: column;
        align-items: stretch;
    }
}