/* ==========================================================================
   VantagePoint Guides — Design System
   A wayfinding/catalog system: paper + navy title-blocks + line-color tags.
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Paper & Ink */
    --paper: #f0efe7;
    --paper-raised: #fbfaf6;
    --ink: #14213d;
    --ink-soft: #4a5568;
    --ink-faint: #7c8494;

    /* Navy title-block panels */
    --navy: #101b33;
    --navy-soft: #1c2b4d;
    --on-navy: #f0efe7;
    --on-navy-soft: #aab3c8;

    /* Signature accent */
    --brass: #b8863b;
    --brass-dark: #93692a;

    /* Category line colors */
    --line-sat: #3c6e8f;
    --line-dig: #2f6b5e;
    --line-city: #b8863b;
    --line-edu: #a14e3c;
    --line-sign: #6b4a5e;

    /* Structure */
    --rule: #d8d3c4;
    --rule-strong: #b8b09a;
    --shadow-card: 0 1px 2px rgba(20, 33, 61, 0.06), 0 4px 16px rgba(20, 33, 61, 0.06);
    --shadow-lift: 0 8px 28px rgba(20, 33, 61, 0.14);

    /* Type */
    --font-display: 'Big Shoulders Display', 'Arial Narrow', sans-serif;
    --font-body: 'Source Serif 4', Georgia, serif;
    --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
    --font-arabic: 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, sans-serif;

    /* Spacing */
    --sp-xs: 0.5rem;
    --sp-sm: 0.85rem;
    --sp-md: 1.5rem;
    --sp-lg: 2.5rem;
    --sp-xl: 4rem;
    --sp-2xl: 6rem;

    --radius: 3px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: var(--font-body);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

html[lang="ar"] body {
    font-family: var(--font-arabic);
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 var(--sp-md);
}

a {
    color: var(--brass-dark);
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--line-sat);
    outline-offset: 2px;
}

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

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--navy);
    border-bottom: 3px solid var(--brass);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
    gap: var(--sp-md);
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.01em;
    color: var(--on-navy);
    white-space: nowrap;
}

.logo .mark {
    color: var(--brass);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--sp-md);
    flex-wrap: wrap;
}

.nav-link {
    color: var(--on-navy-soft);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--brass);
}

/* Dropdown */
.nav-dropdown { position: relative; }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 320px;
    max-height: 70vh;
    overflow-y: auto;
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-top: 3px solid var(--brass);
    box-shadow: var(--shadow-lift);
    list-style: none;
    padding: 0.4rem 0;
    margin: 0;
    display: none;
    z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    padding: 0.55rem 1.1rem;
    color: var(--ink-soft);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.92rem;
    white-space: nowrap;
    transition: var(--transition);
}

.dropdown-menu a .tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    color: var(--brass-dark);
    flex-shrink: 0;
}

.dropdown-menu a:hover {
    background: var(--paper);
    color: var(--ink);
}

html[dir="rtl"] .dropdown-menu { text-align: right; }

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--on-navy);
}

/* ==========================================================================
   Hero / Title-block panel
   ========================================================================== */

.hero {
    background: var(--navy);
    color: var(--on-navy);
    padding: var(--sp-2xl) 0 var(--sp-xl);
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        90deg, rgba(184, 134, 59, 0.06) 0, rgba(184, 134, 59, 0.06) 1px,
        transparent 1px, transparent 64px
    );
    pointer-events: none;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--sp-md);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    line-height: 0.98;
    letter-spacing: -0.01em;
    max-width: 820px;
    position: relative;
    z-index: 1;
}

.hero-title .accent { color: var(--brass); }

.hero-dek {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--on-navy-soft);
    max-width: 640px;
    margin-top: var(--sp-md);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Line legend (category strip) */
.line-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: var(--sp-lg);
    position: relative;
    z-index: 1;
}

.line-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    text-decoration: none;
    color: var(--on-navy);
    background: rgba(240, 239, 231, 0.08);
    border: 1px solid rgba(240, 239, 231, 0.18);
    transition: var(--transition);
}

.line-tag .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.line-tag:hover { background: rgba(240, 239, 231, 0.16); }

.line-tag--sat .dot { background: var(--line-sat); }
.line-tag--dig .dot { background: var(--line-dig); }
.line-tag--city .dot { background: var(--line-city); }
.line-tag--edu .dot { background: var(--line-edu); }
.line-tag--sign .dot { background: var(--line-sign); }

/* ==========================================================================
   Section scaffolding
   ========================================================================== */

.section {
    padding: var(--sp-xl) 0;
}

.section-head {
    margin-bottom: var(--sp-lg);
    max-width: 720px;
}

.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brass-dark);
    margin-bottom: 0.5rem;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    line-height: 1.05;
}

.section-desc {
    font-size: 1.02rem;
    color: var(--ink-soft);
    margin-top: 0.75rem;
}

/* ==========================================================================
   Manifest cards (directory grid)
   ========================================================================== */

.manifest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--sp-md);
}

.manifest-card {
    display: flex;
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    box-shadow: var(--shadow-card);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.manifest-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lift);
}

.manifest-tab {
    width: 8px;
    flex-shrink: 0;
}

.manifest-tab--sat { background: var(--line-sat); }
.manifest-tab--dig { background: var(--line-dig); }
.manifest-tab--city { background: var(--line-city); }
.manifest-tab--edu { background: var(--line-edu); }
.manifest-tab--sign { background: var(--line-sign); }

.manifest-body {
    padding: var(--sp-md);
    flex: 1;
    min-width: 0;
}

.manifest-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 0.6rem;
}

.manifest-meta .code { color: var(--brass-dark); font-weight: 600; }

.manifest-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.35rem;
    line-height: 1.15;
    margin-bottom: 0.5rem;
}

.manifest-desc {
    font-size: 0.92rem;
    color: var(--ink-soft);
    line-height: 1.55;
}

.manifest-provider {
    margin-top: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--ink-faint);
}

/* ==========================================================================
   Article layout
   ========================================================================== */

.article-page { background: var(--paper); }

.cover-sheet {
    background: var(--navy);
    color: var(--on-navy);
    padding: var(--sp-xl) 0 var(--sp-lg);
}

.cover-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--sp-md);
}

.cover-tag .swatch {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.cover-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 4.6vw, 3.2rem);
    line-height: 1.05;
    max-width: 900px;
}

.cover-dek {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--on-navy-soft);
    max-width: 700px;
    margin-top: var(--sp-md);
    line-height: 1.7;
}

.spec-strip {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-lg);
    margin-top: var(--sp-lg);
    padding-top: var(--sp-md);
    border-top: 1px solid rgba(240, 239, 231, 0.18);
}

.spec-item {
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.spec-label {
    display: block;
    color: var(--on-navy-soft);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.68rem;
    margin-bottom: 0.25rem;
}

.spec-value { color: var(--on-navy); }

/* Breadcrumb */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    padding: var(--sp-sm) 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-faint);
}

.breadcrumb a { color: var(--brass-dark); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--rule-strong); }
.breadcrumb .current { color: var(--ink-soft); }

/* Content grid */
.article-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--sp-xl);
    padding: var(--sp-xl) 0;
    align-items: start;
}

html[dir="rtl"] .article-grid {
    grid-template-columns: 1fr 300px;
}

.article-body { min-width: 0; }

.article-content h2 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.7rem;
    margin: 2.4rem 0 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--rule);
    color: var(--ink);
}

.article-content h2:first-child { margin-top: 0; }

.article-content h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    margin: 1.8rem 0 0.7rem;
    color: var(--ink);
}

.article-content p {
    margin-bottom: 1.2rem;
    color: var(--ink);
    font-size: 1.02rem;
}

.article-content ul,
.article-content ol {
    margin: 0 0 1.2rem;
    padding-left: 1.4rem;
    color: var(--ink);
}

html[dir="rtl"] .article-content ul,
html[dir="rtl"] .article-content ol {
    padding-left: 0;
    padding-right: 1.4rem;
}

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

.article-content strong { color: var(--navy); font-weight: 700; }

.article-content a {
    color: var(--brass-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.article-content blockquote {
    border-left: 3px solid var(--brass);
    padding: 0.9rem 1.4rem;
    margin: 1.6rem 0;
    background: var(--paper-raised);
    font-style: italic;
    color: var(--ink-soft);
}

html[dir="rtl"] .article-content blockquote {
    border-left: none;
    border-right: 3px solid var(--brass);
}

/* Data table */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6rem 0;
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    font-size: 0.92rem;
}

.spec-table th {
    background: var(--navy);
    color: var(--on-navy);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.75rem 1rem;
    text-align: left;
}

html[dir="rtl"] .spec-table th { text-align: right; }

.spec-table td {
    padding: 0.7rem 1rem;
    border-top: 1px solid var(--rule);
    color: var(--ink-soft);
}

/* Manifest info grid (inline cards inside article) */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--sp-md);
    margin: var(--sp-md) 0;
}

.info-card {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    border-left: 3px solid var(--brass);
    padding: var(--sp-md);
}

html[dir="rtl"] .info-card {
    border-left: 1px solid var(--rule);
    border-right: 3px solid var(--brass);
}

.info-card h4 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}

.info-card p {
    font-size: 0.88rem;
    color: var(--ink-soft);
    margin: 0;
}

/* TOC — manifest list with connector rule */
.toc {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    padding: var(--sp-md);
    margin-bottom: var(--sp-md);
}

.toc h4 {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brass-dark);
    margin-bottom: var(--sp-sm);
}

.toc-list {
    list-style: none;
    position: relative;
    padding-left: 1.1rem;
    border-left: 1px solid var(--rule-strong);
}

html[dir="rtl"] .toc-list {
    padding-left: 0;
    padding-right: 1.1rem;
    border-left: none;
    border-right: 1px solid var(--rule-strong);
}

.toc-list li { margin-bottom: 0.65rem; position: relative; }

.toc-list li::before {
    content: '';
    position: absolute;
    left: -1.15rem;
    top: 0.5em;
    width: 6px;
    height: 1px;
    background: var(--rule-strong);
}

html[dir="rtl"] .toc-list li::before {
    left: auto;
    right: -1.15rem;
}

.toc-list a {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.88rem;
}

.toc-list a:hover { color: var(--brass-dark); }

/* Sidebar CTA */
.article-sidebar {
    position: sticky;
    top: 5.5rem;
    display: flex;
    flex-direction: column;
    gap: var(--sp-md);
}

.sidebar-cta {
    background: var(--navy);
    color: var(--on-navy);
    padding: var(--sp-md);
    border-top: 3px solid var(--brass);
}

.sidebar-cta h4 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.sidebar-cta p {
    font-size: 0.88rem;
    color: var(--on-navy-soft);
    margin-bottom: var(--sp-sm);
    line-height: 1.6;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.7rem 1.3rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-primary {
    background: var(--brass);
    color: var(--navy);
    font-weight: 600;
}

.btn-primary:hover { background: #cf9a48; }

.btn-outline {
    background: transparent;
    color: var(--on-navy);
    border: 1px solid rgba(240, 239, 231, 0.35);
}

.btn-outline:hover { border-color: var(--brass); color: var(--brass); }

/* FAQ accordion */
.faq-section { margin: var(--sp-lg) 0; }

.faq-item {
    border: 1px solid var(--rule);
    border-left: 3px solid var(--rule-strong);
    margin-bottom: 0.6rem;
    background: var(--paper-raised);
    transition: border-color var(--transition);
}

html[dir="rtl"] .faq-item {
    border-left: 1px solid var(--rule);
    border-right: 3px solid var(--rule-strong);
}

.faq-item.active { border-left-color: var(--brass); }
html[dir="rtl"] .faq-item.active { border-right-color: var(--brass); }

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1rem 1.2rem;
    text-align: left;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    color: var(--ink);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

html[dir="rtl"] .faq-question { text-align: right; }

.faq-icon {
    font-family: var(--font-mono);
    color: var(--brass-dark);
    flex-shrink: 0;
    transition: transform var(--transition);
}

.faq-item.active .faq-icon { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 1.2rem 1.1rem;
}

.faq-answer p {
    color: var(--ink-soft);
    font-size: 0.92rem;
    line-height: 1.7;
    margin: 0;
}

/* Keyword tags */
.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: var(--sp-md) 0;
}

.keyword-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-soft);
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    padding: 0.3rem 0.7rem;
}

/* Related guides */
.related-guides { margin: var(--sp-lg) 0; }

.related-guides h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: var(--sp-sm);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--sp-sm);
}

.related-card {
    background: var(--paper-raised);
    border: 1px solid var(--rule);
    padding: var(--sp-sm) var(--sp-md);
    text-decoration: none;
    color: inherit;
    display: block;
    transition: var(--transition);
}

.related-card:hover { border-color: var(--brass); }

.related-card h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--ink);
}

.related-card p {
    font-size: 0.82rem;
    color: var(--ink-soft);
    margin: 0;
}

/* CTA banner */
.cta-banner {
    background: var(--navy);
    color: var(--on-navy);
    padding: var(--sp-lg);
    text-align: center;
    margin: var(--sp-lg) 0;
    border-top: 3px solid var(--brass);
}

.cta-banner h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    margin-bottom: 0.6rem;
}

.cta-banner p {
    color: var(--on-navy-soft);
    max-width: 560px;
    margin: 0 auto var(--sp-md);
}

.cta-banner .btn { width: auto; padding: 0.8rem 2rem; }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--navy);
    color: var(--on-navy-soft);
    padding: var(--sp-xl) 0 var(--sp-md);
    margin-top: var(--sp-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--sp-lg);
    margin-bottom: var(--sp-lg);
}

.footer-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--on-navy);
    margin-bottom: 0.75rem;
}

.footer-logo .mark { color: var(--brass); }

.footer-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--sp-sm);
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
    color: var(--on-navy-soft);
    text-decoration: none;
    font-size: 0.88rem;
}
.footer-links a:hover { color: var(--brass); }

.footer-bottom {
    border-top: 1px solid rgba(240, 239, 231, 0.12);
    padding-top: var(--sp-md);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--sp-sm);
    font-size: 0.82rem;
}

.footer-bottom a { color: var(--on-navy-soft); text-decoration: none; }
.footer-bottom a:hover { color: var(--brass); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .article-grid { grid-template-columns: 1fr; }
    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        background: var(--navy);
        padding: var(--sp-md);
        gap: var(--sp-sm);
        border-bottom: 3px solid var(--brass);
        z-index: 999;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
    }

    .nav-menu.active { display: flex; }

    .mobile-toggle { display: flex; }

    .nav-dropdown .dropdown-menu {
        position: static;
        transform: none;
        display: none;
        min-width: 0;
        max-height: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0.4rem 0 0.4rem 1rem;
    }

    .nav-dropdown.open .dropdown-menu { display: block; }

    html[dir="rtl"] .nav-dropdown .dropdown-menu {
        padding: 0.4rem 1rem 0.4rem 0;
    }

    .hero { padding: var(--sp-xl) 0 var(--sp-lg); }
    .cover-sheet { padding: var(--sp-lg) 0 var(--sp-md); }
    .manifest-grid { grid-template-columns: 1fr; }
    .spec-strip { gap: var(--sp-md); }
}