:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #0f766e;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    color: var(--text-dark);
}

h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 5rem 0;
}

.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.05em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 7rem 0;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .btn-secondary {
    color: white;
    border-color: white;
}

.hero-buttons .btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

.announcement-section {
    background-color: var(--bg-light);
}

.announcement-card {
    background-color: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.announcement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.announcement-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.announcement-date {
    font-weight: 600;
    font-size: 1rem;
}

.announcement-status {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.announcement-body {
    padding: 2rem;
}

.announcement-body p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.key-info {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 1.5rem;
}

.key-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.key-info ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.key-info li {
    padding: 0.5rem 0;
    color: var(--text-dark);
}

.details-section {
    background-color: white;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.detail-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 0.75rem;
    text-align: center;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.detail-card:hover {
    border-left-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background-color: white;
}

.detail-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.detail-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.detail-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

.sec-filing-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
}

.filing-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.filing-info {
    background-color: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
}

.filing-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.filing-details {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

.filing-details p {
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.filing-details strong {
    color: var(--text-dark);
}

.filing-note {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(37, 99, 235, 0.05) 100%);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.filing-note p {
    color: var(--text-dark);
    margin-bottom: 0;
}

.disclaimers-section {
    background-color: var(--bg-light);
}

.disclaimer-card {
    background-color: white;
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--accent-color);
}

.disclaimer-card p {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.disclaimer-card p:last-child {
    margin-bottom: 0;
}

.contact-section {
    background-color: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
    border-top: 3px solid var(--primary-color);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--text-light);
}

.contact-card a {
    font-weight: 600;
}

.footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #0f172a 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.footer a:hover {
    color: white;
}

.footer-disclaimer {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 1.75rem;
    }
    .nav-links {
        gap: 1rem;
    }
    .nav-links a {
        font-size: 0.85rem;
    }
    .hero {
        padding: 4rem 0;
    }
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    section {
        padding: 3rem 0;
    }
    .filing-container {
        grid-template-columns: 1fr;
    }
    .announcement-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    .announcement-header > span {
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    h2 {
        font-size: 1.35rem;
        margin-bottom: 1.5rem;
    }
    .nav-container {
        padding: 1rem;
    }
    .nav-links {
        gap: 0.5rem;
    }
    .nav-links a {
        font-size: 0.75rem;
    }
    .hero {
        padding: 2rem 0;
    }
    .hero-content h1 {
        font-size: 1.5rem;
    }
    .hero-subtitle {
        font-size: 0.9rem;
    }
    .hero-description {
        font-size: 1rem;
    }
    section {
        padding: 2rem 0;
    }
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    .details-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .key-info ul {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        gap: 1rem;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.detail-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.detail-card:nth-child(1) { animation-delay: 0.1s; }
.detail-card:nth-child(2) { animation-delay: 0.2s; }
.detail-card:nth-child(3) { animation-delay: 0.3s; }
.detail-card:nth-child(4) { animation-delay: 0.4s; }