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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    overflow-x: hidden;
    background: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #ffffff;
    padding: 20px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 26px;
    font-weight: 800;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Logo emoji now in HTML, not needed here */

.nav {
    display: flex;
    gap: 35px;
}

.nav a {
    color: #4a4a4a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav a:hover {
    color: #FF6B35;
}

.nav a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FF6B35;
    transition: width 0.3s;
}

.nav a:hover:after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    color: #1a1a1a;
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: 52px;
    margin-bottom: 24px;
    font-weight: 800;
    color: #1a1a1a;
}

.hero-subtitle {
    font-size: 22px;
    margin-bottom: 48px;
    opacity: 0.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #4a4a4a;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 70px;
}

.btn {
    padding: 16px 40px;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: #FF6B35;
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    background: #FF5722;
}

.btn-secondary {
    background: #ffffff;
    color: #1a1a1a;
    border: 2px solid #e0e0e0;
}

.btn-secondary:hover {
    border-color: #FF6B35;
    color: #FF6B35;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.btn-block {
    width: 100%;
}

.hero-features {
    display: flex;
    gap: 50px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #4a4a4a;
    font-weight: 500;
}

.hero-feature .icon {
    font-size: 28px;
    color: #FF6B35;
}

/* Screenshots Slider Section */
.screenshots {
    padding: 100px 0;
    background: #ffffff;
}

.slider-container {
    position: relative;
    max-width: 900px;
    margin: 60px auto 0;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.slider {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    min-width: 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
}

.slide-placeholder {
    width: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #999;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.95);
    color: #1a1a1a;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.slider-btn:hover {
    background: #FF6B35;
    color: white;
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e0e0e0;
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    background: #FF6B35;
    transform: scale(1.3);
}

/* Video Section */
.video-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.video-container {
    max-width: 900px;
    margin: 60px auto 0;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #999;
}

.video-placeholder .play-icon {
    font-size: 72px;
    margin-bottom: 20px;
    color: #FF6B35;
    opacity: 0.7;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #ffffff;
}

.section-title {
    font-size: 44px;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 800;
    color: #1a1a1a;
}

.section-subtitle {
    text-align: center;
    font-size: 19px;
    color: #666;
    margin-bottom: 60px;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.feature-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #FF6B35, #FF5722);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.feature-card:hover:before {
    transform: translateX(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 24px;
    color: #FF6B35;
}

.feature-card h3 {
    font-size: 23px;
    margin-bottom: 16px;
    color: #1a1a1a;
    font-weight: 700;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* How It Works */
.how-it-works {
    padding: 100px 0;
    background: #f8f9fa;
}

.steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 70px;
}

.step {
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #FF6B35, #FF5722);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: bold;
    margin: 0 auto 24px;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.25);
}

.step h3 {
    font-size: 21px;
    margin-bottom: 12px;
    color: #1a1a1a;
    font-weight: 700;
}

.step p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
}

.step-arrow {
    font-size: 32px;
    color: #FF6B35;
    font-weight: bold;
}

/* Stealth Mode Section */
.stealth-mode {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #1a1a1a;
    position: relative;
}

.stealth-mode .section-title {
    color: #1a1a1a;
}

.stealth-mode .section-subtitle {
    color: #666;
}

.stealth-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stealth-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.stealth-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 1);
    border-color: #FF6B35;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.15);
}

.stealth-icon {
    font-size: 48px;
    margin-bottom: 18px;
    color: #FF6B35;
}

.stealth-item h4 {
    font-size: 19px;
    margin-bottom: 12px;
    color: #1a1a1a;
    font-weight: 600;
}

.stealth-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.stealth-note {
    background: rgba(255, 107, 53, 0.1);
    padding: 28px 35px;
    border-radius: 12px;
    margin-top: 50px;
    border-left: 4px solid #FF6B35;
}

.stealth-note p {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

.stealth-note strong {
    color: #1a1a1a;
    font-weight: 600;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: #ffffff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 70px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: #ffffff;
    padding: 45px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid #f0f0f0;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.pricing-card.featured {
    border: 2px solid #FF6B35;
    box-shadow: 0 15px 50px rgba(255, 107, 53, 0.15);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #FF6B35, #FF5722);
    color: white;
    padding: 8px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.plan-name {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.plan-price {
    margin-bottom: 35px;
}

.price {
    font-size: 52px;
    font-weight: 800;
    color: #FF6B35;
}

.period {
    font-size: 17px;
    color: #999;
}

.plan-features {
    list-style: none;
    margin-bottom: 35px;
    text-align: left;
}

.plan-features li {
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
    color: #666;
    position: relative;
    padding-left: 28px;
}

.plan-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #FF6B35;
    font-weight: bold;
}

.plan-features li:last-child {
    border-bottom: none;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: #f8f9fa;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    margin-top: 60px;
}

.download-card {
    background: #ffffff;
    padding: 50px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
}

.download-card:hover {
    transform: translateY(-8px);
    border-color: #FF6B35;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.download-icon {
    font-size: 64px;
    margin-bottom: 24px;
    color: #FF6B35;
}

.download-card h3 {
    font-size: 26px;
    margin-bottom: 12px;
    color: #1a1a1a;
    font-weight: 700;
}

.download-card p {
    margin-bottom: 30px;
    color: #666;
    line-height: 1.6;
}

.download-size {
    display: block;
    margin-top: 16px;
    color: #999;
    font-size: 14px;
}

.installation-note {
    text-align: center;
    margin-top: 50px;
    padding: 35px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.installation-note p {
    margin: 12px 0;
    color: #666;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: #ffffff;
}

.faq-list {
    max-width: 800px;
    margin: 60px auto 0;
}

.faq-item {
    background: #ffffff;
    padding: 35px;
    margin-bottom: 24px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #FF6B35;
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateX(8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.faq-item h3 {
    font-size: 21px;
    margin-bottom: 16px;
    color: #1a1a1a;
    font-weight: 700;
}

.faq-item p {
    color: #666;
    line-height: 1.8;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    color: white;
    padding: 70px 0 25px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 45px;
    margin-bottom: 45px;
}

.footer-section h4 {
    margin-bottom: 24px;
    font-size: 19px;
    color: #FF6B35;
    font-weight: 600;
}

.footer-section p {
    color: #bbb;
    line-height: 1.6;
}

.footer-section a {
    display: block;
    color: #bbb;
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #FF6B35;
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: #ffffff;
    padding: 45px;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.modal-header h2 {
    font-size: 26px;
    color: #1a1a1a;
    font-weight: 700;
}

.close {
    background: none;
    border: none;
    font-size: 32px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.close:hover {
    color: #FF6B35;
    transform: rotate(90deg);
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #1a1a1a;
}

.form-group input[type="email"],
.form-group input[type="text"],
.form-group input[type="checkbox"] {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.3s;
}

.form-group input[type="email"],
.form-group input[type="text"] {
    width: 100%;
    padding: 14px;
    font-size: 15px;
    background: #ffffff;
}

.form-group input:focus {
    outline: none;
    border-color: #FF6B35;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: #999;
    font-size: 13px;
}

.selected-plan {
    background: linear-gradient(135deg, #FF6B35, #FF5722);
    color: white;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    font-size: 19px;
    font-weight: 600;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.25);
}

.payment-note {
    margin-top: 35px;
    padding: 24px;
    background: #f8f9fa;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #e0e0e0;
}

.payment-note p {
    margin: 12px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 280px;
    }

    .section-title {
        font-size: 32px;
    }

    .pricing-grid,
    .features-grid,
    .download-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .nav {
        display: none;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .slider-nav {
        padding: 0 10px;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.error {
    background: #ffebee;
    color: #c62828;
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    border-left: 4px solid #c62828;
}

.success {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    border-left: 4px solid #2e7d32;
}

/* Loading Animation */
@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}