:root {
    --bg: #f8f6ff;
    --bg-soft: #f1ecff;
    --panel: #ffffff;
    --ink: #1f1b2e;
    --muted: #6d6680;
    --accent: #7c5cff;
    --accent-dark: #5d3fd3;
    --accent-soft: #ebe6ff;
    --line: #ddd4ff;
    --shadow: 0 18px 45px rgba(64, 45, 120, 0.12);
    --radius: 24px;
    --max-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(124, 92, 255, 0.14), transparent 35%),
        linear-gradient(180deg, var(--bg), #ffffff);
    color: var(--ink);
    line-height: 1.65;
    min-height: 100vh;
}

a {
    color: var(--accent-dark);
    text-decoration: none;
    font-weight: 650;
}

a:hover {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 4px;
}

a:focus-visible {
    outline: 3px solid rgba(124, 92, 255, 0.35);
    outline-offset: 4px;
    border-radius: 8px;
}

.container {
    width: min(var(--max-width), 92%);
    margin: 0 auto;
}

.site-header {
    padding: 4.5rem 0;
    background:
        linear-gradient(135deg, rgba(124, 92, 255, 0.18), rgba(255, 255, 255, 0.75)),
        var(--panel);
    border-bottom: 1px solid var(--line);
}

.site-header.small {
    padding: 1.75rem 0;
}

.site-header h1 {
    margin: 0;
    font-size: clamp(2.25rem, 6vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -0.05em;
}

.site-header h1 a {
    color: var(--ink);
    text-decoration: none;
}

.site-header p {
    max-width: 680px;
    margin: 1rem 0 0;
    color: var(--muted);
    font-size: 1.1rem;
}

.page-intro {
    padding: 2.5rem 0 0;
}

.page-intro h2 {
    margin: 0;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    letter-spacing: -0.03em;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
    gap: 1.5rem;
    padding: 2rem 0 3.5rem;
}

.post-card,
.single-post {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,255,255,0.88)),
        var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.post-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: rgba(124, 92, 255, 0.45);
    box-shadow: 0 24px 60px rgba(64, 45, 120, 0.16);
}

.post-card h2,
.single-post h2 {
    margin: 0.35rem 0 0.75rem;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.post-card h2 {
    font-size: 1.45rem;
}

.single-post h2 {
    font-size: clamp(2rem, 5vw, 3.4rem);
}

.post-card p {
    color: var(--muted);
}

.post-date,
.post-category {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

.post-category a {
    display: inline-flex;
    margin-top: 0.5rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 0.85rem;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 1rem;
}

.tag-list a {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.7rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    color: var(--accent-dark);
    font-size: 0.85rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin-top: auto;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(124, 92, 255, 0.25);
}

.read-more:hover {
    background: var(--accent-dark);
    color: #ffffff;
    text-decoration: none;
}

.single-post {
    margin: 3rem auto;
    max-width: 850px;
    padding: clamp(1.5rem, 4vw, 3rem);
}

.post-content {
    margin-top: 1.5rem;
    font-size: 1.06rem;
}

.post-content p,
.post-content ul,
.post-content ol {
    margin-bottom: 1.25rem;
}

.post-content ul,
.post-content ol {
    padding-left: 1.4rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content strong {
    color: var(--ink);
}

.site-footer {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.65);
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    font-weight: 800;
}

@media (max-width: 640px) {
    .site-header {
        padding: 3rem 0;
    }

    .blog-grid {
        padding-top: 1.5rem;
    }

    .post-card,
    .single-post {
        border-radius: 20px;
    }
}