/* ══════════════════════════════════════════════════════════════════
   COSMODATA SERVICES — FRONTEND DESIGN SYSTEM
   ══════════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ──────────────────────────────────────── */
:root {
    /* Base palette */
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0c29;
    --bg-tertiary: #161638;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-glass-strong: rgba(255, 255, 255, 0.10);

    /* Accent gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #764ba2 0%, #f093fb 100%);
    --gradient-hero: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);

    /* Accent colors */
    --accent-blue: #667eea;
    --accent-purple: #764ba2;
    --accent-pink: #f093fb;
    --accent-cyan: #4fd1c5;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.45);
    --text-accent: #667eea;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);
    --border-accent: rgba(102, 126, 234, 0.3);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.15);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Layout */
    --container-max: 1280px;
    --header-height: 72px;
}


/* ── Reset & Base ───────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-pink);
}

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

ul, ol {
    list-style: none;
}


/* ── Container ──────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}


/* ── Header / Navbar ────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 1000;
    transition: background var(--transition-base);
}

.site-header.scrolled {
    background: rgba(10, 10, 26, 0.95);
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    flex-shrink: 0;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Desktop Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-link .chevron {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
    opacity: 0.5;
}

.nav-item:hover .chevron {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 280px;
    background: rgba(22, 22, 56, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(10px);
    transition: all var(--transition-base);
    z-index: 100;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.dropdown-item:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
    padding-left: calc(var(--space-md) + 4px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}


/* ── Hero Section ───────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--header-height) + var(--space-4xl)) var(--space-xl) var(--space-4xl);
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg-orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.25;
}

.hero-orb--1 {
    width: 500px;
    height: 500px;
    background: var(--accent-blue);
    top: -150px;
    right: -100px;
    animation: orb-drift 12s ease-in-out infinite;
}

.hero-orb--2 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    bottom: -100px;
    left: -100px;
    animation: orb-drift 16s ease-in-out infinite reverse;
}

.hero-orb--3 {
    width: 250px;
    height: 250px;
    background: var(--accent-pink);
    top: 40%;
    left: 60%;
    animation: orb-drift 10s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    animation: fadeInUp 0.8s ease both;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-title .gradient-text {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple), var(--accent-pink));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease infinite;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.3s both;
}


/* ── Buttons ────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--border-accent);
    transform: translateY(-2px);
}


/* ── Section Titles ─────────────────────────────────────────────── */
.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-label {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-subtle);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-weight: 300;
}


/* ── Menu Category Cards ────────────────────────────────────────── */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.category-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--text-primary);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.category-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    color: var(--text-primary);
}

.category-card:hover::before {
    opacity: 1;
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-subtle);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
}

.category-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.category-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.category-count {
    font-size: var(--font-size-xs);
    color: var(--accent-blue);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}


/* ── Featured Services Carousel ─────────────────────────────────── */
.services-preview {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.services-scroll {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--text-primary);
}

.service-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
}

.service-card h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.service-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--accent-blue);
    transition: gap var(--transition-fast);
}

.service-card:hover .read-more {
    gap: 10px;
}


/* ── Footer ─────────────────────────────────────────────────────── */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.8;
    max-width: 300px;
}

.footer-col h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col a {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.footer-col a:hover {
    color: var(--accent-blue);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}


/* ── Page Header / Breadcrumb ───────────────────────────────────── */
.page-header {
    padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-subtle);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

.breadcrumb a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--accent-blue);
}

.breadcrumb .separator {
    color: var(--text-muted);
    opacity: 0.4;
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-top: var(--space-sm);
}


/* ── Articles Grid (Menu Page) ──────────────────────────────────── */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.article-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    color: var(--text-primary);
}

.article-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.article-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    flex-grow: 1;
}

.article-card .card-arrow {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--accent-blue);
    transition: gap var(--transition-fast);
}

.article-card:hover .card-arrow {
    gap: 10px;
}


/* ── Article Detail Page ────────────────────────────────────────── */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-3xl);
    padding: var(--space-3xl) 0;
    align-items: start;
}

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

.article-body {
    line-height: 1.85;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* Article body HTML content styles */
.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4,
.article-body h5,
.article-body h6 {
    color: var(--text-primary);
    margin: var(--space-2xl) 0 var(--space-md);
    line-height: 1.3;
}

.article-body h1 { font-size: var(--font-size-3xl); }
.article-body h2 { font-size: var(--font-size-2xl); }
.article-body h3 { font-size: var(--font-size-xl); }

.article-body p {
    margin-bottom: var(--space-md);
}

.article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

.article-body ul,
.article-body ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: var(--space-sm);
    padding-left: var(--space-sm);
}

.article-body img {
    border-radius: var(--radius-md);
    margin: var(--space-xl) 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-xl) 0;
    font-size: var(--font-size-sm);
}

.article-body th,
.article-body td {
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-subtle);
    text-align: left;
}

.article-body th {
    background: var(--bg-glass);
    color: var(--text-primary);
    font-weight: 600;
}

.article-body blockquote {
    border-left: 3px solid var(--accent-blue);
    padding-left: var(--space-lg);
    margin: var(--space-xl) 0;
    color: var(--text-secondary);
    font-style: italic;
}

.article-body a {
    color: var(--accent-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover {
    color: var(--accent-pink);
}

/* Sidebar */
.article-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.sidebar-card h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-link {
    display: block;
    padding: var(--space-sm) 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-link:last-child {
    border-bottom: none;
}

.sidebar-link:hover,
.sidebar-link.active {
    color: var(--accent-blue);
    padding-left: var(--space-sm);
}

.sidebar-link.active {
    color: var(--accent-pink);
    font-weight: 500;
}


/* ── Animations ─────────────────────────────────────────────────── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradient-shift {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

@keyframes orb-drift {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(40px, -40px); }
    50% { transform: translate(-30px, 30px); }
    75% { transform: translate(15px, -15px); }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}


/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .services-scroll {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        position: static;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-sm);
        padding: var(--space-xl);
        z-index: 999;
    }

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

    .nav-item {
        width: 100%;
        text-align: center;
    }

    .nav-link {
        justify-content: center;
        font-size: var(--font-size-lg);
        padding: var(--space-md);
    }

    .dropdown {
        position: static;
        transform: none;
        min-width: 100%;
        background: rgba(22, 22, 56, 0.5);
        border: none;
        border-radius: var(--radius-sm);
        padding: var(--space-sm);
        opacity: 1;
        visibility: visible;
        display: none;
        box-shadow: none;
        margin-top: var(--space-xs);
    }

    .nav-item.mobile-open .dropdown {
        display: block;
    }

    .mobile-toggle {
        display: flex;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .services-scroll {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero {
        min-height: 70vh;
        padding-top: calc(var(--header-height) + var(--space-2xl));
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}