@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Serif:wght@400;500;600;700&display=swap');

:root {
    --navy: #0B1D3A;
    --navy-deep: #071428;
    --navy-light: #122B52;
    --gold: #C5A355;
    --gold-light: #D4B76A;
    --gold-pale: #F5ECD7;
    --gold-glow: rgba(197, 163, 85, 0.15);
    --bg: #F5F6F8;
    --white: #FFFFFF;
    --text: #1A2332;
    --text-secondary: #5A6B80;
    --text-muted: #8E9AAD;
    --border: #E4E8EE;
    --border-light: #EFF1F5;
    --success: #1B9F5E;
    --error: #D03E3E;
    --card-shadow: 0 1px 3px rgba(11,29,58,0.04), 0 4px 16px rgba(11,29,58,0.06);
    --card-shadow-hover: 0 4px 12px rgba(11,29,58,0.08), 0 12px 40px rgba(11,29,58,0.1);
    --header-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 4px 24px rgba(0,0,0,0.3);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-decoration: none; transition: all 0.25s ease; }
a:hover { color: var(--gold-light); }

/* ===== HEADER ===== */
header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 0 var(--border), 0 2px 12px rgba(0,0,0,0.04);
}
.header-top {
    border-bottom: 1px solid var(--border-light);
    background: var(--navy-deep);
}
.header-top-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 36px;
    gap: 20px;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
}
.header-top-inner a { color: rgba(255,255,255,0.6); font-size: 0.75rem; }
.header-top-inner a:hover { color: var(--gold); }

.header-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo { display: flex; align-items: center; gap: 16px; text-decoration: none; }
.logo-full {
    height: 44px;
    width: 44px;
    object-fit: contain;
    transition: opacity 0.3s ease;
}
.logo-full:hover { opacity: 0.85; }
.logo-divider { width: 1px; height: 36px; background: var(--border); }
.logo-text-group { display: flex; flex-direction: column; }
.logo-company {
    color: var(--navy);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.2;
}
.logo-subtitle {
    color: var(--text-muted);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 2px;
}

nav { display: flex; align-items: center; gap: 4px; }
nav a {
    color: var(--text-secondary);
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.2px;
    transition: all 0.25s ease;
}
nav a:hover { color: var(--navy); background: rgba(11,29,58,0.04); }
.nav-btn {
    background: var(--navy);
    color: var(--white) !important;
    border: none;
    padding: 9px 24px;
    border-radius: 6px;
    font-weight: 600;
    margin-left: 8px;
}
.nav-btn:hover {
    background: var(--navy-light) !important;
    color: var(--white) !important;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    line-height: 1.4;
    letter-spacing: 0.3px;
    font-family: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    color: var(--navy-deep);
    box-shadow: 0 2px 8px rgba(197,163,85,0.3);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(197,163,85,0.4);
    color: var(--navy-deep);
}
.btn-outline {
    background: transparent;
    color: var(--gold);
    border: 1.5px solid var(--gold);
}
.btn-outline:hover { background: var(--gold); color: var(--navy-deep); }
.btn-white {
    background: var(--white);
    color: var(--navy);
    font-weight: 600;
    box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.btn-white:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    color: var(--navy);
}
.btn-danger { background: var(--error); color: white; }
.btn-danger:hover { background: #e04848; color: white; }
.btn-sm { padding: 7px 16px; font-size: 0.8rem; }
.btn-lg { padding: 16px 36px; font-size: 0.95rem; }

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: 100px 2.5rem 120px;
    overflow: hidden;
    background: var(--navy-deep);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: url('/static/img/bg.jpg') center/cover no-repeat;
    opacity: 0.08;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--navy-deep) 0%, rgba(18,43,82,0.95) 50%, rgba(11,29,58,0.9) 100%);
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(197,163,85,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(197,163,85,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}
.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 80px;
}
.hero-text { flex: 1; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gold-glow);
    border: 1px solid rgba(197,163,85,0.2);
    border-radius: 100px;
    padding: 6px 18px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 28px;
}
.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold);
}
.hero h1 {
    font-family: 'IBM Plex Serif', Georgia, serif;
    color: var(--white);
    font-size: 3.2rem;
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.hero h1 .gold { color: var(--gold); }
.hero-description {
    color: rgba(255,255,255,0.55);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; align-items: center; }
.hero-logo-wrapper {
    flex-shrink: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-logo-img {
    width: 280px;
    height: 280px;
    filter: drop-shadow(0 12px 48px rgba(34,110,192,0.35));
    opacity: 1;
    transition: all 0.5s ease;
}
.hero-logo-img:hover {
    opacity: 1;
    transform: scale(1.03);
}
.hero-logo-glow {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34,110,192,0.12) 0%, rgba(197,163,85,0.05) 40%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* ===== INFO CARD ===== */
.info-section {
    max-width: 1280px;
    margin: -60px auto 0;
    padding: 0 2.5rem;
    position: relative;
    z-index: 3;
}
.info-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    border: 1px solid var(--border-light);
}
.info-card-header {
    background: var(--navy);
    color: var(--white);
    padding: 20px 36px;
    font-family: 'IBM Plex Serif', Georgia, serif;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.info-card-header svg { color: var(--gold); flex-shrink: 0; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr {
    border-bottom: 1px solid var(--border-light);
}
.info-table tr:last-child { border-bottom: none; }
.info-table td {
    padding: 18px 40px;
    font-size: 0.9rem;
    line-height: 1.6;
    vertical-align: top;
}
.info-table td:first-child {
    width: 200px;
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-left: 40px;
}
.info-table td:last-child {
    font-weight: 500;
    color: var(--text);
    font-family: 'IBM Plex Serif', Georgia, serif;
    font-size: 0.93rem;
    letter-spacing: 0.1px;
}

/* ===== CONTENT ===== */
.content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 2.5rem;
    flex: 1;
    width: 100%;
}
.page-header {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}
.page-title {
    font-family: 'IBM Plex Serif', Georgia, serif;
    font-size: 2rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
}
.page-subtitle { color: var(--text-muted); font-size: 0.95rem; }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--gold); }

/* ===== SECTIONS GRID ===== */
.sections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
}
.section-card {
    background: var(--white);
    border-radius: 14px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-light);
    text-decoration: none;
    color: inherit;
}
.section-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
    border-color: rgba(197,163,85,0.2);
    color: inherit;
}
.section-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gold-glow) 0%, rgba(197,163,85,0.08) 100%);
    border: 1px solid rgba(197,163,85,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.section-card-header {
    padding: 28px 28px 20px;
    display: flex;
    align-items: flex-start;
    gap: 18px;
}
.section-card-header h3 { font-size: 1rem; font-weight: 600; color: var(--navy); line-height: 1.4; }
.doc-count {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 4px;
}
.section-card-body { padding: 0 28px 24px; flex: 1; }
.section-doc-preview {
    font-size: 0.83rem;
    color: var(--text-secondary);
    padding: 7px 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-doc-preview:last-child { border-bottom: none; }
.section-doc-preview::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold);
    flex-shrink: 0;
}
.section-card-footer {
    padding: 16px 28px;
    border-top: 1px solid var(--border-light);
    background: #FAFBFC;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.section-card-footer .arrow {
    color: var(--gold);
    font-size: 1.2rem;
    transition: transform 0.3s;
}
.section-card:hover .arrow { transform: translateX(4px); }

/* ===== DOCUMENT LIST ===== */
.doc-list-card {
    background: var(--white);
    border-radius: 14px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-light);
    overflow: hidden;
}
.doc-list { list-style: none; padding: 0; }
.doc-item {
    display: flex;
    align-items: center;
    padding: 20px 32px;
    border-bottom: 1px solid var(--border-light);
    gap: 18px;
    transition: all 0.2s ease;
}
.doc-item:last-child { border-bottom: none; }
.doc-item:hover { background: #FAFBFC; }
.doc-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}
.doc-icon-pdf { background: #FEF1F0; color: #C0392B; border: 1px solid #F5C6CB; }
.doc-icon-doc, .doc-icon-docx { background: #EBF5FF; color: #2471B3; border: 1px solid #B8D9F5; }
.doc-icon-zip, .doc-icon-rar { background: #FFF8EC; color: #B8860B; border: 1px solid #F0DCA0; }
.doc-icon-default { background: var(--gold-glow); color: var(--gold); border: 1px solid rgba(197,163,85,0.2); }
.doc-info { flex: 1; min-width: 0; }
.doc-title { font-weight: 500; font-size: 0.93rem; color: var(--text); line-height: 1.4; }
.doc-meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 3px; }
.doc-download { flex-shrink: 0; }

/* ===== LOGIN ===== */
.login-page { min-height: 100vh; display: flex; }
.login-visual {
    flex: 1;
    background: var(--navy-deep);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.login-visual-bg {
    position: absolute;
    inset: 0;
    background: url('/static/img/bg.jpg') center/cover;
    opacity: 0.1;
}
.login-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--navy-deep) 0%, rgba(18,43,82,0.95) 100%);
}
.login-visual-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
}
.login-visual-content img { width: 120px; height: 120px; object-fit: contain; margin-bottom: 32px; }
.login-visual-content h2 {
    font-family: 'IBM Plex Serif', Georgia, serif;
    color: var(--white);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.login-visual-content p { color: rgba(255,255,255,0.4); font-size: 0.95rem; }
.login-form-side {
    width: 500px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--white);
}
.login-card { width: 100%; max-width: 380px; }
.login-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
}
.login-logo img { height: 40px; }
.login-logo-name { font-weight: 700; font-size: 0.9rem; color: var(--navy); letter-spacing: 0.5px; }
.login-card h2 {
    font-family: 'IBM Plex Serif', Georgia, serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 8px;
}
.login-card .subtitle { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 36px; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 22px; }
.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.form-control {
    width: 100%;
    padding: 13px 18px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.93rem;
    transition: all 0.25s ease;
    background: var(--white);
    font-family: inherit;
    color: var(--text);
}
.form-control:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 4px var(--gold-glow);
}
.form-control::placeholder { color: var(--text-muted); }
.btn-full { width: 100%; padding: 15px; font-size: 0.95rem; }

/* ===== FLASH ===== */
.flash {
    padding: 16px 22px;
    border-radius: 10px;
    margin-bottom: 24px;
    font-size: 0.88rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.flash-error { background: #FEF1F0; color: var(--error); border: 1px solid #F5C6CB; }
.flash-success { background: #EAFAF1; color: var(--success); border: 1px solid #A3D9B1; }

/* ===== FOOTER ===== */
footer {
    background: var(--navy-deep);
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: auto;
}
.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.footer-logo { display: flex; align-items: center; gap: 14px; }
.footer-logo img { height: 36px; width: 36px; object-fit: contain; opacity: 0.6; }
.footer-logo-text { color: rgba(255,255,255,0.4); font-size: 0.8rem; line-height: 1.5; }
.footer-copy { color: rgba(255,255,255,0.3); font-size: 0.78rem; }

/* ===== ADMIN ===== */
.admin-section {
    background: var(--white);
    border-radius: 14px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-light);
    margin-bottom: 28px;
    overflow: hidden;
}
.admin-section-header {
    padding: 20px 30px;
    background: var(--navy);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.admin-section-header h3 {
    font-family: 'IBM Plex Serif', Georgia, serif;
    font-size: 1.05rem;
    color: var(--white);
    font-weight: 600;
}
.admin-section-header .admin-badge {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.3px;
}
.admin-section-body { padding: 0; }
.admin-add-form {
    padding: 24px 30px;
    background: #FAFBFC;
    border-bottom: 1px solid var(--border-light);
}
.admin-sections-list { padding: 12px 0; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
    text-align: left;
    padding: 12px 20px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    background: #FAFBFC;
}
.admin-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover { background: #FAFBFC; }
.inline-form { display: inline; }
.form-inline { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.form-inline .form-group { margin-bottom: 0; }
.admin-subsection {
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 0;
    overflow: hidden;
}
.admin-subsection:last-child { border-bottom: none; }
.admin-subsection-header {
    background: var(--white);
    padding: 18px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    border-bottom: 1px solid var(--border-light);
}
.admin-subsection-header strong {
    color: var(--navy);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-subsection-header .section-count {
    background: var(--gold-glow);
    color: var(--gold);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
    border: 1px solid rgba(197,163,85,0.2);
}
.admin-upload-area {
    padding: 20px 30px;
    background: #F8FAFB;
    border-bottom: 1px solid var(--border-light);
}
.admin-subsection-body {
    padding: 0;
}
.admin-doc-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 30px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.88rem;
    transition: background 0.15s;
}
.admin-doc-item:last-child { border-bottom: none; }
.admin-doc-item:hover { background: #FAFBFC; }
.admin-doc-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: var(--gold-glow);
    border: 1px solid rgba(197,163,85,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--gold);
    flex-shrink: 0;
}
.admin-users-add {
    padding: 24px 30px;
    background: #FAFBFC;
    border-bottom: 1px solid var(--border-light);
}
.admin-users-list {
    padding: 0;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease forwards; }
.fade-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-delay-3 { animation-delay: 0.3s; opacity: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-content { flex-direction: column; text-align: center; gap: 40px; }
    .hero h1 { font-size: 2.4rem; }
    .hero-description { margin: 0 auto 40px; }
    .hero-actions { justify-content: center; }
}
@media (max-width: 768px) {
    .header-top { display: none; }
    .header-main { padding: 0 1.25rem; height: 64px; }
    .logo-full { height: 36px !important; }
    .logo-divider, .logo-text-group { display: none; }
    nav:not(.open) { display: none; }
    .mobile-toggle { display: flex !important; }
    .hero { padding: 60px 1.25rem 80px; }
    .hero h1 { font-size: 1.8rem; }
    .hero-logo-wrapper { margin-top: 20px; }
    .hero-logo-img { width: 220px !important; }
    .hero-logo-glow { width: 200px; height: 200px; }
    .info-section { padding: 0 1.25rem; margin-top: -40px; }
    .info-table td { padding: 14px 20px; font-size: 0.85rem; }
    .info-table td:first-child { padding-left: 20px; width: 40%; }
    .info-table td:first-child::before { display: none; }
    .content { padding: 28px 1.25rem; }
    .sections-grid { grid-template-columns: 1fr; }
    .login-visual { display: none; }
    .login-form-side { width: 100%; }
    .form-inline { flex-direction: column; align-items: stretch; }
    .footer-inner { flex-direction: column; text-align: center; }
}
.mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--navy);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    align-items: center;
    justify-content: center;
}
.mobile-toggle:hover { background: rgba(11,29,58,0.04); }
nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 16px 1.25rem;
    border-top: 1px solid var(--border-light);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}