:root {
    --primary-color: #10b981;
    --secondary-color: #8b5cf6;
    --dark-bg: #0f172a;
    --card-bg: #1e293b;
    --text-light: #e2e8f0;
    --accent-orange: #f59e0b;
    --accent-cyan: #06b6d4;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-light);
    overflow-x: hidden;
}

/* Navbar Styles */
.navbar {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand i {
    font-size: 1.8rem;
}

.nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

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

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

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0 50px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s ease;
}

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

/* Page Header */
.page-header {
    padding: 150px 0 80px;
    text-align: center;
    position: relative;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

/* Buttons */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-cyan) 100%);
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    margin: 10px;
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.5);
    color: white;
}

.btn-secondary-custom {
    background: transparent;
    border: 2px solid var(--secondary-color);
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    color: var(--secondary-color);
    transition: all 0.3s ease;
    margin: 10px;
}

.btn-secondary-custom:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

/* Feature Cards */
.feature-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    margin: 20px 0;
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.2);
}

.feature-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

/* About Cards */
.about-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.2);
}

.value-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(16, 185, 129, 0.3);
    height: 100%;
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: scale(1.05);
}

.value-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

/* Feature Detail Cards */
.feature-detail-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.2);
}

.feature-icon-large {
    font-size: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 10px 0;
    color: var(--text-light);
}

/* Premium Feature Cards */
.premium-feature-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(245, 158, 11, 0.1) 100%);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(139, 92, 246, 0.3);
    height: 100%;
    transition: all 0.3s ease;
}

.premium-feature-card:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.3);
}

.premium-icon {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

/* Download Cards */
.download-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.download-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.2);
}

.premium-card {
    border-color: var(--secondary-color);
}

.premium-card:hover {
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.3);
}

.download-badge-free {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.download-badge-premium {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-orange));
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.download-price {
    margin: 20px 0;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-left: 10px;
}

.download-features {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.download-features li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.download-features i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.download-features .fa-check-circle {
    color: var(--primary-color);
}

.download-features .fa-times-circle {
    color: #666;
}

.btn-download {
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    background: var(--card-bg);
    border: 2px solid var(--primary-color);
    color: var(--text-light);
    border-radius: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: left;
}

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

.btn-download-premium {
    border-color: var(--secondary-color);
}

.btn-download-premium:hover {
    background: var(--secondary-color);
}

.btn-download i {
    margin-right: 10px;
    font-size: 1.5rem;
}

.system-requirements, .premium-benefits {
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
}

.system-requirements h6, .premium-benefits h6 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.system-requirements ul, .premium-benefits ul {
    list-style: none;
    padding: 0;
}

.system-requirements li, .premium-benefits li {
    padding: 5px 0;
    font-size: 0.95rem;
}

/* Instruction Cards */
.instruction-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.instruction-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.2);
}

.instruction-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    margin: 0 auto 20px;
}

/* FAQ */
.faq-container {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item {
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.faq-item h5 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Contact Cards */
.contact-info-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.2);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 2.5rem;
    color: white;
}

.contact-form {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    padding: 15px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-color);
    color: var(--text-light);
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.25);
}

.form-control::placeholder {
    color: rgba(226, 232, 240, 0.5);
}

.form-label {
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.support-option-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.support-option-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(16, 185, 129, 0.2);
}

.support-option-card i {
    font-size: 4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 30px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

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

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-section {
    padding: 60px 0;
}

/* Comparison Table */
.comparison-table {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.comparison-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-cyan) 100%);
    color: white;
    padding: 20px;
    font-weight: 600;
}

.comparison-table td {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.check-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.cross-icon {
    color: #ef4444;
    font-size: 1.5rem;
}

/* Stats Card */
.stats-card {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.stats-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-label {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: 10px;
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.95);
    padding: 50px 0 20px;
    margin-top: 100px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-link {
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
    margin: 10px 0;
}

.footer-link:hover {
    color: var(--primary-color);
    padding-left: 10px;
}

.social-icon {
    font-size: 1.5rem;
    color: var(--text-light);
    margin: 0 10px;
    transition: all 0.3s ease;
}

.social-icon:hover {
    color: var(--primary-color);
    transform: translateY(-5px);
}

/* Badges */
.security-badge {
    display: inline-block;
    padding: 10px 25px;
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--primary-color);
    border-radius: 25px;
    font-weight: 600;
    margin: 10px;
    transition: all 0.3s ease;
}

.security-badge:hover {
    background: rgba(16, 185, 129, 0.3);
    transform: scale(1.05);
}

/* Screenshot Container */
.screenshot-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .stats-number {
        font-size: 2rem;
    }
}