:root {
    --zk-color-primary: #0f172a;
    --zk-color-secondary: #2563eb;
    --zk-color-text: #1e293b;
    --zk-color-muted: #64748b;
    --zk-color-border: #e2e8f0;
    --zk-color-bg: #ffffff;
    --zk-color-soft: #f8fafc;
    --zk-color-white: #ffffff;
    --zk-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
    --zk-radius: 20px;
    --zk-transition: all 0.25s ease;
    --zk-container: 1240px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--zk-color-text);
    background: var(--zk-color-bg);
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--zk-transition);
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--zk-container);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section {
    padding: 90px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 40px;
}

.section-heading h2 {
    margin: 10px 0 12px;
    font-size: 42px;
    line-height: 1.15;
    color: var(--zk-color-primary);
}

.section-heading p {
    margin: 0;
    color: var(--zk-color-muted);
    font-size: 17px;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--zk-color-secondary);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 24px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    transition: var(--zk-transition);
}

.button--primary {
    background: var(--zk-color-secondary);
    color: var(--zk-color-white);
}

.button--primary:hover {
    transform: translateY(-2px);
    opacity: 0.95;
}

.button--secondary {
    background: transparent;
    color: var(--zk-color-primary);
    border-color: var(--zk-color-border);
}

.button--secondary:hover {
    background: var(--zk-color-soft);
}

.default-post-card {
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid var(--zk-color-border);
    border-radius: var(--zk-radius);
    background: var(--zk-color-white);
}

.default-post-card__title {
    margin: 0 0 10px;
    font-size: 28px;
}

.entry-content {
    font-size: 17px;
}
.button--ghost {
    background: transparent;
    color: var(--zk-color-primary);
    border: 1px solid var(--zk-color-border);
}

.button--ghost:hover {
    background: var(--zk-color-soft);
}