/* BlockIT Pro - Professional Landing Page Styles */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --background: #ffffff;
    --surface: #f9fafb;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.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-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav {
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo i {
    font-size: 28px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.hero::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="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.primary-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    border: none;
    cursor: pointer;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.primary-button.large {
    padding: 20px 40px;
    font-size: 20px;
}

.install-note {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.install-note i {
    color: var(--secondary-color);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.browser-mockup {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.browser-mockup:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(2deg);
}

.browser-header {
    background: #f3f4f6;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--border);
}

.browser-controls {
    display: flex;
    gap: 8px;
}

.browser-controls span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ef4444;
}

.browser-controls span:nth-child(2) {
    background: #f59e0b;
}

.browser-controls span:nth-child(3) {
    background: #10b981;
}

.browser-url {
    background: white;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-secondary);
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

.browser-content {
    padding: 24px;
    min-height: 300px;
    position: relative;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.blocked-ad {
    position: absolute;
    top: 24px;
    right: 24px;
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideInRight 0.5s ease;
}

.video-player {
    background: #1f2937;
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    color: white;
    margin-top: 40px;
}

.video-title {
    font-size: 18px;
    margin-bottom: 20px;
}

.play-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 24px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.play-button:hover {
    transform: scale(1.1);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    background: var(--surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 24px;
    color: white;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* How It Works Section */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    font-size: 32px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-lg);
}

.step h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Platforms Section */
.platforms {
    background: var(--surface);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.platform-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

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

.platform-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.platform-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.platform-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

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

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-rating i {
    color: #fbbf24;
}

.testimonial-card p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--text-primary);
    font-style: italic;
}

.testimonial-author strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    margin-bottom: 32px;
}

.cta-section .primary-button {
    background: white;
    color: var(--primary-color);
}

.cta-section .primary-button:hover {
    background: var(--surface);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    opacity: 0.9;
}

.cta-feature i {
    color: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 64px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-logo i {
    color: var(--primary-light);
}

.footer-brand p {
    color: #9ca3af;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-column a {
    color: #9ca3af;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 24px;
    text-align: center;
    color: #9ca3af;
}

/* Ad Containers */
.ad-container {
    position: fixed;
    z-index: 100;
}

.ad-sidebar {
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    width: 160px;
}

.ad-footer {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 728px;
    height: 90px;
}

.ad-placeholder {
    background: var(--border-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
    height: 600px;
}

.ad-footer .ad-placeholder {
    height: 90px;
}

/* Animations */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .ad-sidebar {
        display: none;
    }
    
    .ad-footer {
        width: 320px;
        height: 50px;
    }
    
    .ad-footer .ad-placeholder {
        height: 50px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 16px;
    }
    
    .ad-footer {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .primary-button {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .header,
    .ad-container,
    .cta-section {
        display: none;
    }
}