:root {
    --ink: #17211f;
    --muted: #5b6661;
    --line: #dce6e1;
    --surface: #ffffff;
    --soft: #f5f8f6;
    --brand: #0f7b6c;
    --brand-dark: #095b50;
    --accent: #d8452f;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--surface);
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px clamp(18px, 5vw, 72px);
    background: rgba(255,255,255,.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}
.brand { font-weight: 800; color: var(--brand-dark); }
.site-nav { display: flex; gap: 18px; align-items: center; }
.site-nav a { color: var(--muted); font-weight: 700; }
.nav-toggle { display: none; }

.hero {
    min-height: 72vh;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: clamp(24px, 5vw, 72px);
    align-items: center;
    padding: clamp(42px, 8vw, 96px) clamp(18px, 5vw, 72px);
    background: linear-gradient(135deg, #f8faf4 0%, #e7f4ef 48%, #fff4ef 100%);
}
.hero h1, .page-title h1 {
    max-width: 780px;
    margin: 0 0 18px;
    font-size: clamp(2.2rem, 6vw, 5rem);
    line-height: 1.02;
}
.hero p, .page-title p { max-width: 660px; color: var(--muted); font-size: 1.12rem; }
.eyebrow {
    display: inline-block;
    margin: 0 0 10px;
    color: var(--accent);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 0;
    border-radius: 6px;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    cursor: pointer;
}
.button:hover { background: var(--brand-dark); }
.hero-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.hero-panel span, .category-card, .post-card, .comment, .metric-grid div, .admin-panel, .login-card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255,255,255,.88);
}
.hero-panel span {
    min-height: 96px;
    display: grid;
    place-items: center;
    font-weight: 800;
}
.section, .comments {
    padding: clamp(38px, 7vw, 82px) clamp(18px, 5vw, 72px);
}
.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
}
.section h2, .comments h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.4rem); }
.category-grid, .post-grid, .metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.category-card { padding: 22px; }
.category-card span { display: block; font-size: 1.25rem; font-weight: 800; }
.category-card small { color: var(--muted); }
.post-card { overflow: hidden; background: #fff; }
.post-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.post-card div { padding: 18px; }
.post-card h3 { margin: 4px 0 8px; font-size: 1.35rem; line-height: 1.25; }
.post-card p { margin: 0; color: var(--muted); }
.page-title {
    padding: clamp(42px, 8vw, 86px) clamp(18px, 5vw, 72px) 20px;
    background: var(--soft);
}
.pagination { margin-top: 24px; }

.article {
    width: min(880px, calc(100% - 36px));
    margin: 0 auto;
    padding: clamp(42px, 8vw, 86px) 0 24px;
}
.article-header h1 { margin: 0 0 14px; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.06; }
.article-header p, .article-body { font-size: 1.1rem; color: var(--muted); }
.article-media { width: 100%; border-radius: 8px; margin: 26px 0; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tag-row a { color: var(--brand-dark); font-weight: 800; }
.comments { width: min(880px, calc(100% - 36px)); margin: 0 auto; }
.comment-form, .admin-form { display: grid; gap: 14px; }
label { display: grid; gap: 6px; font-weight: 700; }
input, textarea, select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 11px 12px;
    font: inherit;
    background: #fff;
}
textarea { min-height: 120px; resize: vertical; }
textarea.large { min-height: 260px; }
.notice { padding: 12px 14px; background: #e8f7ef; border: 1px solid #b8e0c8; border-radius: 6px; }
.error { color: #a1281a; font-weight: 700; }
.comment-list { display: grid; gap: 14px; margin-top: 24px; }
.comment { padding: 16px; }

.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding: 28px clamp(18px, 5vw, 72px);
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.admin-body { min-height: 100vh; display: grid; grid-template-columns: 250px 1fr; background: var(--soft); }
.admin-sidebar { padding: 24px; background: #fff; border-right: 1px solid var(--line); }
.admin-sidebar nav { display: grid; gap: 10px; margin: 28px 0; }
.admin-sidebar a, .admin-sidebar button { font-weight: 800; color: var(--brand-dark); background: none; border: 0; padding: 0; text-align: left; cursor: pointer; }
.admin-main { padding: clamp(22px, 4vw, 46px); }
.admin-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 18px; }
.metric-grid { margin: 20px 0; }
.metric-grid div { padding: 20px; background: #fff; }
.metric-grid strong { display: block; font-size: 2rem; }
.admin-panel { padding: 20px; background: #fff; }
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.form-grid, .check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.inline { display: flex; align-items: center; gap: 8px; }
.inline input { width: auto; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 18px; background: var(--soft); }
.login-card { width: min(420px, 100%); padding: 24px; display: grid; gap: 14px; background: #fff; }

@media (max-width: 860px) {
    .hero, .admin-body { grid-template-columns: 1fr; }
    .category-grid, .post-grid, .metric-grid, .form-grid { grid-template-columns: 1fr; }
    .admin-sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 640px) {
    .site-header { align-items: flex-start; }
    .nav-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; background: #fff; padding: 8px 10px; }
    .site-nav { display: none; position: absolute; left: 18px; right: 18px; top: 58px; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
    .site-nav.is-open { display: grid; }
    .hero-panel { grid-template-columns: 1fr; }
    .section-head, .admin-head { align-items: flex-start; flex-direction: column; }
}