/* ============================================
   ERSF - European Rail Staff Federation
   Main Stylesheet - Red & White Theme
   ============================================ */

:root {
    --red-primary: #C62828;
    --red-dark: #8E0000;
    --red-light: #FF5F52;
    --red-bg: #FFF5F5;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1200px;
    --header-height: 72px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

a:hover {
    color: var(--red-dark);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5em;
    color: var(--gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray-700);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--red-primary);
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

.section-title p {
    color: var(--gray-600);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: var(--font-family);
    line-height: 1.4;
}

.btn-primary {
    background: var(--red-primary);
    color: var(--white);
    border-color: var(--red-primary);
}

.btn-primary:hover {
    background: var(--red-dark);
    border-color: var(--red-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(198, 40, 40, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--red-primary);
    border-color: var(--red-primary);
}

.btn-outline:hover {
    background: var(--red-primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--gray-200);
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-danger:hover {
    background: #e53935;
    color: var(--white);
    border-color: #e53935;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn i {
    font-size: 0.9em;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--gray-900);
}

.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--red-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
}

.nav-logo:hover {
    color: var(--red-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 0.75rem;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-900);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
}

.lang-switcher a,
.lang-switcher span {
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition);
}

.lang-switcher a {
    color: var(--gray-500);
}

.lang-switcher a:hover {
    color: var(--red-primary);
    background: var(--red-bg);
}

.lang-switcher .lang-active {
    color: var(--white);
    background: var(--red-primary);
}

/* Flash Messages */
.flash-container {
    position: fixed;
    top: calc(var(--header-height) + 16px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    width: 100%;
    max-width: 600px;
    padding: 0 24px;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    animation: slideDown 0.3s ease;
}

.alert-success { background: #E8F5E9; color: #2E7D32; border: 1px solid #A5D6A7; }
.alert-error { background: #FFEBEE; color: #C62828; border: 1px solid #EF9A9A; }
.alert-info { background: #E3F2FD; color: #1565C0; border: 1px solid #90CAF9; }
.alert-warning { background: #FFF8E1; color: #F57F17; border: 1px solid #FFE082; }

.alert-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    flex-shrink: 0;
}

.alert-close:hover {
    opacity: 1;
}

/* Main Content */
.main-content {
    padding-top: var(--header-height);
    min-height: calc(100vh - 300px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--gray-900) 0%, #1a1a2e 100%);
    color: var(--white);
    padding: 6rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(198, 40, 40, 0.15) 100%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(transparent, var(--white));
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(198, 40, 40, 0.2);
    border: 1px solid rgba(198, 40, 40, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--red-light);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.15;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 2rem;
    max-width: 550px;
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: var(--white);
    position: relative;
    margin-top: -2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    background: var(--white);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--red-primary);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--gray-50);
}

/* Grid layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: var(--gray-200);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.card-text {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--gray-500);
    display: flex;
    gap: 1rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Feature Cards */
.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--red-bg);
    color: var(--red-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 0;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
    color: var(--gray-800);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: var(--font-family);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    background: var(--white);
    color: var(--gray-900);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--red-primary);
    box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    color: #C62828;
    font-size: 0.85rem;
    margin-top: 0.3rem;
}

/* Auth Forms */
.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height) - 100px);
    padding: 3rem 1rem;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--gray-200);
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth-card .subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    color: var(--gray-500);
    font-size: 0.9rem;
    position: relative;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    display: block;
    height: 1px;
    background: var(--gray-200);
    position: absolute;
    top: 50%;
    width: 45%;
}

.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--gray-900) 0%, #1a1a2e 100%);
    color: var(--white);
    padding: 4rem 0 3rem;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

/* About Values */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.value-card {
    text-align: center;
    padding: 2rem;
}

.value-icon {
    width: 72px;
    height: 72px;
    background: var(--red-bg);
    color: var(--red-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
}

/* Projects */
.project-filters {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border: 2px solid var(--gray-300);
    background: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--gray-700);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--red-primary);
    color: var(--red-primary);
    background: var(--red-bg);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-card {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    background: var(--red-bg);
    color: var(--red-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: rgba(255,255,255,0.8);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-brand .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--red-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.footer-desc {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--red-primary);
    color: var(--white);
}

.footer h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--red-light);
}

.footer-contact li {
    display: flex;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

.footer-contact i {
    color: var(--red-light);
    margin-top: 4px;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.6rem 1rem;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.1);
    color: var(--white);
    font-family: var(--font-family);
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.4);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

.footer-lang {
    gap: 0.5rem;
}

.footer-lang a,
.footer-lang span {
    font-size: 0.8rem;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--red-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--red-dark);
    transform: translateY(-3px);
}

/* Admin */
.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: calc(100vh - var(--header-height));
}

.admin-sidebar {
    background: var(--gray-900);
    color: var(--white);
    padding: 2rem 0;
}

.admin-sidebar-title {
    padding: 0 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.admin-nav {
    list-style: none;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.admin-nav a:hover,
.admin-nav a.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.admin-nav a i {
    width: 20px;
    text-align: center;
}

.admin-content {
    padding: 2rem;
    background: var(--gray-50);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.admin-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dash-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.dash-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.dash-card-icon.blue { background: #E3F2FD; color: #1565C0; }
.dash-card-icon.green { background: #E8F5E9; color: #2E7D32; }
.dash-card-icon.red { background: #FFEBEE; color: #C62828; }
.dash-card-icon.orange { background: #FFF3E0; color: #E65100; }

.dash-card h3 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.1rem;
}

.dash-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
    margin-bottom: 0;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
    font-size: 0.9rem;
}

th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: var(--gray-50);
}

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: #E8F5E9; color: #2E7D32; }
.badge-warning { background: #FFF8E1; color: #F57F17; }
.badge-danger { background: #FFEBEE; color: #C62828; }
.badge-info { background: #E3F2FD; color: #1565C0; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--gray-300);
}

.empty-state h3 {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

/* 404 */
.error-page {
    text-align: center;
    padding: 6rem 2rem;
}

.error-page h1 {
    font-size: 6rem;
    font-weight: 900;
    color: var(--red-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.error-page p {
    font-size: 1.2rem;
    max-width: 500px;
    margin: 0 auto 2rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
    }

    .nav-actions {
        width: 100%;
        justify-content: center;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 1.5rem;
        gap: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .section {
        padding: 3rem 0;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .admin-sidebar {
        display: none;
    }

    .page-header {
        padding: 3rem 0 2rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .auth-card {
        padding: 1.5rem;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

    .hero h1 {
        font-size: 1.6rem;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

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

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

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