/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #7c3aed;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    --gradient-success: linear-gradient(135deg, var(--success-color), var(--accent-color));
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: -0.25rem;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
    margin-top: 70px;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* Network Animation */
.network-animation {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.router-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 40px;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.router-icon::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: #ff6b6b;
    border-radius: 50%;
}

.signal-waves {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.wave {
    position: absolute;
    border: 3px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.wave-1 {
    width: 100px;
    height: 100px;
    top: -50px;
    left: -50px;
    animation-delay: 0s;
}

.wave-2 {
    width: 150px;
    height: 150px;
    top: -75px;
    left: -75px;
    animation-delay: 0.5s;
}

.wave-3 {
    width: 200px;
    height: 200px;
    top: -100px;
    left: -100px;
    animation-delay: 1s;
}

@keyframes pulse {
    0% {
        opacity: 1;
        transform: scale(0.8);
    }
    50% {
        opacity: 0.5;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1.2);
    }
}

.devices {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.device {
    position: absolute;
    width: 30px;
    height: 20px;
    background: linear-gradient(45deg, #48cae4, #0077b6);
    border-radius: 4px;
    animation: float 3s ease-in-out infinite;
}

.device-1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.device-2 {
    top: 20%;
    right: 20%;
    animation-delay: 1s;
}

.device-3 {
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Blog Section */
.blog-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.blog-article {
    background: white;
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.article-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.reading-time,
.category {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.reading-time {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

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

.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 2.5rem 0 1rem 0;
    position: relative;
    padding-left: 1rem;
}

.article-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.inline-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
}

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

.inline-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.inline-link:hover::after {
    width: 100%;
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.guides-section {
    padding: 4rem 0;
    background: white;
}

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

.guide-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.guide-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.router-icon-card {
    background: var(--gradient-primary);
}

.wifi-icon-card {
    background: var(--gradient-accent);
}

.security-icon-card {
    background: var(--gradient-success);
}

.guide-icon::before {
    content: '';
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 8px;
}

.guide-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.guide-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.troubleshooting-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.troubleshooting-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.troubleshooting-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.troubleshooting-text ul {
    list-style: none;
    padding: 0;
}

.troubleshooting-text li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    padding-left: 3rem;
}

.troubleshooting-text li::before {
    content: '⚠️';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.diagnostic-panel {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.status-indicator {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    position: relative;
    animation: statusPulse 2s infinite;
}

.status-indicator.good {
    background: var(--success-color);
    animation-delay: 0s;
}

.status-indicator.warning {
    background: var(--warning-color);
    animation-delay: 0.5s;
}

.status-indicator.error {
    background: var(--error-color);
    animation-delay: 1s;
}

@keyframes statusPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

.tools-section {
    padding: 4rem 0;
    background: white;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.tool-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1rem;
    padding: 2rem;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.5;
}

.tool-card h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.tool-card p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.tool-visual {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

.scanner-visual {
    background: rgba(255, 255, 255, 0.2);
    animation: scan 3s infinite;
}

.speed-visual {
    background: rgba(255, 255, 255, 0.2);
    animation: speedTest 2s infinite;
}

@keyframes scan {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}

@keyframes speedTest {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.contact-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.email-icon {
    background: var(--gradient-primary);
}

.chat-icon {
    background: var(--gradient-success);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .blog-article {
        padding: 2rem;
    }
    
    .troubleshooting-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: center;
    }
    
    .network-animation {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .guides-grid {
        grid-template-columns: 1fr;
    }
    
    .guide-card {
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

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

.blog-article,
.guide-card,
.tool-card {
    animation: fadeInUp 0.6s ease-out;
}