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

:root {
    --bg-main: #0a0b0d;
    --bg-card: #14161a;
    --bg-card-hover: #1c1f24;
    --primary: #e50914;
    --primary-hover: #f40a16;
    --primary-glow: rgba(229, 9, 20, 0.15);
    --text-primary: #f5f6f8;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent: #ff4a5a;
    --border-color: #262930;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Navigation */
header {
    background-color: rgba(10, 11, 13, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

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

.nav-btn {
    background: var(--primary);
    color: #fff;
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--primary-glow);
    transition: var(--transition-smooth);
}

.nav-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(229, 9, 20, 0.3);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 9rem 2rem 5rem 2rem;
    background: radial-gradient(circle at 80% 20%, rgba(229, 9, 20, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(255, 74, 90, 0.05) 0%, transparent 50%);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-tag {
    display: inline-block;
    background: rgba(229, 9, 20, 0.1);
    color: var(--accent);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(229, 9, 20, 0.2);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-meta-item svg {
    color: var(--primary);
}

/* Layout & Grid Container */
.main-container {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 992px) {
    .main-container {
        grid-template-columns: 8fr 4fr;
    }
}

/* Article Styling */
article {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

@media (max-width: 576px) {
    article {
        padding: 1.5rem;
        border-radius: 12px;
    }
}

article section {
    margin-bottom: 3rem;
}

article section:last-child {
    margin-bottom: 0;
}

article h2 {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.5rem;
}

article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 3px;
}

article h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 1.75rem 0 0.75rem 0;
    color: var(--text-primary);
}

article p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    text-align: justify;
}

article p strong {
    color: var(--text-primary);
}

article ul, article ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

article li {
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

article li strong {
    color: var(--text-primary);
}

/* Callout Box */
.callout {
    background: rgba(229, 9, 20, 0.05);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    border-radius: 0 12px 12px 0;
    margin: 2rem 0;
}

.callout h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.callout p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.comparison-table th {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.comparison-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.01);
}

/* Sidebar Widgets */
aside {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.widget {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
}

.widget h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.widget-list {
    list-style: none;
}

.widget-list li {
    margin-bottom: 1rem;
}

.widget-list li:last-child {
    margin-bottom: 0;
}

.widget-link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.widget-link:hover {
    color: var(--accent);
}

.widget-link-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* FAQ Accordion */
.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
    gap: 1rem;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0;
}

.faq-answer.active {
    max-height: 500px;
    margin-top: 1rem;
}

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-icon.active {
    transform: rotate(180deg);
    color: var(--primary);
}

/* Newsletter Signup Widget */
.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.newsletter-input {
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.newsletter-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.newsletter-btn:hover {
    background: var(--primary-hover);
}

/* Footer Section */
footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem 2rem;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
    }
}