:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #172033;
    --muted: #64748b;
    --border: #dbe3ef;
    --primary: #1d4ed8;
    --primary-dark: #1e3a8a;
    --primary-soft: #eef2ff;
    --accent: #0f766e;
    --accent-dark: #115e59;
    --danger: #b91c1c;
    --danger-dark: #991b1b;
    --warning: #b45309;
    --success: #047857;
    --shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
    --radius: 18px;
    --radius-sm: 10px;
    --max: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(29, 78, 216, 0.08), transparent 32rem),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 36%, var(--bg) 100%);
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

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

.container {
    width: min(var(--max), calc(100% - 36px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid rgba(219, 227, 239, 0.9);
    backdrop-filter: blur(12px);
}

.nav-wrap {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.brand img {
    display: block;
    max-width: 245px;
    max-height: 74px;
    object-fit: contain;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

.main-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 10px;
    border-radius: 999px;
    color: #334155;
    font-size: 0.94rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.main-nav a:hover {
    background: var(--primary-soft);
    color: var(--primary-dark);
    text-decoration: none;
}

.nav-divider {
    width: 1px;
    height: 28px;
    background: var(--border);
    margin: 0 4px;
}

.nav-user {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 0.9rem;
    font-weight: 700;
    white-space: nowrap;
}

.pill,
.main-nav a.pill {
    background: var(--primary);
    color: #ffffff;
    padding-left: 14px;
    padding-right: 14px;
}

.pill:hover,
.main-nav a.pill:hover {
    background: var(--primary-dark);
    color: #ffffff;
}

.secondary-pill,
.main-nav a.secondary-pill {
    background: var(--accent);
    color: #ffffff;
}

.secondary-pill:hover,
.main-nav a.secondary-pill:hover {
    background: var(--accent-dark);
    color: #ffffff;
}

.menu-toggle {
    display: none;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text);
    border-radius: 999px;
    padding: 9px 14px;
    font-weight: 700;
    cursor: pointer;
}

main {
    min-height: 70vh;
}

.section {
    padding: 54px 0;
}

.section-tight {
    padding: 32px 0;
}

.hero {
    padding: 70px 0 56px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 28px;
    align-items: center;
}

.hero h1,
h1 {
    margin: 0 0 16px;
    color: #0f172a;
    font-size: clamp(2rem, 4vw, 3.9rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

h2 {
    margin: 0 0 12px;
    color: #0f172a;
    font-size: clamp(1.35rem, 2vw, 2rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h3 {
    margin: 0 0 10px;
    color: #172033;
    font-size: 1.15rem;
}

p {
    margin: 0 0 16px;
}

.hero-subtitle,
.lead {
    color: #334155;
    font-size: clamp(1.08rem, 1.5vw, 1.28rem);
    line-height: 1.65;
}

.meta,
.help,
.small-text {
    color: var(--muted);
    font-size: 0.95rem;
}

.card {
    background: var(--surface);
    border: 1px solid rgba(219, 227, 239, 0.95);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: var(--shadow);
}

.card + .card {
    margin-top: 22px;
}

.card.soft {
    background: var(--surface-soft);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.grid.two,
.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.actions,
.button-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.btn,
button,
input[type="submit"],
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 16px;
    border: 0;
    border-radius: 999px;
    background: var(--primary);
    color: #ffffff;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover,
button:hover,
input[type="submit"]:hover,
.button:hover {
    background: var(--primary-dark);
    color: #ffffff;
    text-decoration: none;
    transform: translateY(-1px);
}

.btn.secondary,
button.secondary,
.button.secondary,
.secondary {
    background: #e2e8f0;
    color: #0f172a;
}

.btn.secondary:hover,
button.secondary:hover,
.button.secondary:hover,
.secondary:hover {
    background: #cbd5e1;
    color: #0f172a;
}

.btn.danger,
button.danger,
.button.danger,
.danger {
    background: var(--danger);
    color: #ffffff;
}

.btn.danger:hover,
button.danger:hover,
.button.danger:hover,
.danger:hover {
    background: var(--danger-dark);
    color: #ffffff;
}

.btn.small,
button.small,
.button.small,
.small {
    min-height: 34px;
    padding: 7px 11px;
    font-size: 0.86rem;
}

form {
    margin: 0;
}

label {
    display: block;
    margin: 14px 0 7px;
    color: #172033;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
    padding: 11px 12px;
    outline: none;
}

textarea {
    min-height: 140px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: rgba(29, 78, 216, 0.75);
    box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.12);
}

input[type="file"] {
    padding: 9px;
}

.inline-form {
    display: inline-flex;
    margin: 0 0 0 6px;
    vertical-align: middle;
}

.flash {
    margin-top: 18px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: #ffffff;
    font-weight: 700;
}

.flash.success {
    border-color: rgba(4, 120, 87, 0.25);
    background: #ecfdf5;
    color: var(--success);
}

.flash.error {
    border-color: rgba(185, 28, 28, 0.25);
    background: #fef2f2;
    color: var(--danger);
}

.flash.warning {
    border-color: rgba(180, 83, 9, 0.25);
    background: #fffbeb;
    color: var(--warning);
}

.alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin: 14px 0;
    border: 1px solid var(--border);
    background: #ffffff;
}

.alert.success {
    border-color: rgba(4, 120, 87, 0.25);
    background: #ecfdf5;
    color: var(--success);
}

.alert.error {
    border-color: rgba(185, 28, 28, 0.25);
    background: #fef2f2;
    color: var(--danger);
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
}

th,
td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

th {
    background: #f8fafc;
    color: #334155;
    font-size: 0.86rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

tr:last-child td {
    border-bottom: 0;
}

tr:hover td {
    background: #f8fafc;
}

.report-section {
    margin-top: 22px;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 4px 9px;
    background: #e2e8f0;
    color: #334155;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge.active,
.badge.published,
.badge.success {
    background: #dcfce7;
    color: #166534;
}

.badge.inactive,
.badge.draft,
.badge.error {
    background: #fee2e2;
    color: #991b1b;
}

.article-list {
    display: grid;
    gap: 20px;
}

.article-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.article-card h2,
.article-card h3 {
    margin-bottom: 8px;
}

.article-meta {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.service-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.service-item {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #ffffff;
}

.footer {
    margin-top: 56px;
    padding: 36px 0;
    border-top: 1px solid var(--border);
    color: var(--muted);
    background: #ffffff;
}

.site-footer {
    margin-top: 56px;
    padding: 36px 0;
    border-top: 1px solid var(--border);
    color: var(--muted);
    background: #ffffff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
}

.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
}

.admin-sidebar {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
}

.admin-sidebar a {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: #334155;
    font-weight: 700;
    text-decoration: none;
}

.admin-sidebar a:hover {
    background: var(--primary-soft);
    color: var(--primary-dark);
}

.stat {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.empty {
    padding: 24px;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--muted);
    background: #ffffff;
    text-align: center;
}

@media (max-width: 980px) {
    .nav-wrap {
        align-items: flex-start;
        padding: 12px 0;
    }

    .brand img {
        max-width: 210px;
    }

    .menu-toggle {
        display: inline-flex;
        margin-top: 13px;
    }

    .main-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 12px 0 4px;
    }

    .nav-open .nav-wrap {
        flex-wrap: wrap;
    }

    .nav-open .main-nav {
        display: flex;
    }

    .main-nav a,
    .nav-user {
        justify-content: flex-start;
        width: 100%;
        border-radius: var(--radius-sm);
    }

    .nav-divider {
        width: 100%;
        height: 1px;
        margin: 4px 0;
    }

    .hero-grid,
    .grid,
    .grid.two,
    .two,
    .grid.four,
    .service-list,
    .footer-grid,
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 44px;
    }

    .section {
        padding: 38px 0;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 24px, var(--max));
    }

    .brand img {
        max-width: 180px;
    }

    .card,
    .article-card,
    .service-item {
        padding: 18px;
        border-radius: 14px;
    }

    th,
    td {
        padding: 10px;
        font-size: 0.92rem;
    }

    .inline-form {
        display: block;
        margin: 8px 0 0;
    }

    .btn,
    button,
    input[type="submit"],
    .button {
        width: 100%;
    }

    .btn.small,
    button.small,
    .button.small {
        width: auto;
    }
}