:root {
    --primary-color: #0dcaf0;
    --primary-dark: #0a8ca8;
    --accent-color: #7c3aed;
    --success-color: #10b981;
    --text-dark: #030303;
    --text-gray: #606060;
    --bg-light: #f9f9f9;
    --border-color: #e5e5e5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    color: white;
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    margin-top: -2rem;
    margin-bottom: 0;
    width: 100vw;
}

.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 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin: 0 auto 3rem;
    opacity: 0.95;
    max-width: 800px;
    line-height: 1.6;
}

.price-tag {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0;
    color: white;
}

.price-tag small {
    font-size: 1.2rem;
    opacity: 0.8;
}

.cta-button-hero {
    background: white;
    color: var(--primary-color);
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    border: none;
    text-decoration: none;
    display: inline-block;
}

.cta-button-hero:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.3);
    color: var(--primary-color);
}

/* Stats Section */
.stats-section {
    background: #000000;
    color: white;
    padding: 50px 0;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Features Section */
.features-section {
    padding: 60px 0 100px;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 5rem;
    padding: 0 2rem;
}

.section-label {
    display: inline-block;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    line-height: 1.7;
}

.feature-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0dcaf0 0%, #7c3aed 100%);
    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 50px rgba(13, 202, 240, 0.2);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 20px rgba(13, 202, 240, 0.3);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Benefits Section */
.benefits-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(13,202,240,0.05) 0%, rgba(124,58,237,0.05) 100%);
    position: relative;
    overflow: hidden;
}

.benefit-item {
    display: flex;
    align-items: start;
    margin-bottom: 25px;
    padding: 2.5rem;
    background: white;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.benefit-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(13, 202, 240, 0.15);
}

.benefit-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    margin-right: 20px;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(13, 202, 240, 0.3);
}

/* Tech Specs Section */
.specs-section {
    padding: 100px 0;
    background: var(--text-dark);
    color: white;
}

.specs-section .section-header h2,
.specs-section .section-header p {
    color: white;
}

.spec-badge {
    background: rgba(255,255,255,0.1);
    padding: 15px 25px;
    border-radius: 50px;
    margin: 10px 5px;
    display: inline-block;
    backdrop-filter: blur(10px);
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: white;
}

.faq-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(13, 202, 240, 0.1);
}

.faq-item h5 {
    padding: 1.75rem 2rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0;
}

.faq-item p {
    padding: 0 2rem 1.75rem 2rem;
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.8;
}

.checkmark {
    color: var(--success-color);
    margin-right: 10px;
}

/* Use Cases Section */
.use-cases-section {
    padding: 100px 0;
    background: white;
}

.use-case-card {
    background: linear-gradient(135deg, rgba(13,202,240,0.05) 0%, rgba(124,58,237,0.05) 100%);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(13, 202, 240, 0.15);
    border-color: var(--primary-color);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.use-case-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.use-case-card p {
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.use-case-features {
    list-style: none;
    padding: 0;
}

.use-case-features li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.use-case-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: 700;
    font-size: 1.2rem;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: var(--text-dark);
    color: white;
}

.how-it-works .section-header h2,
.how-it-works .section-header p {
    color: white;
}

.steps-container {
    max-width: 1100px;
    margin: 5rem auto 0;
    padding: 0 2rem;
    position: relative;
}

.step-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 3rem;
    margin-bottom: 5rem;
    position: relative;
}

.step-item:last-child {
    margin-bottom: 0;
}

.step-item::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 100px;
    bottom: -80px;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color) 0%, transparent 100%);
}

.step-item:last-child::before {
    display: none;
}

.step-number {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 3rem;
    color: white;
    box-shadow: 0 10px 30px rgba(13, 202, 240, 0.4);
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.step-content {
    flex: 1;
    background: rgba(255,255,255,0.05);
    padding: 2.5rem;
    border-radius: 20px;
    border: 2px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.step-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.step-content p {
    color: rgba(255,255,255,0.85);
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.step-highlight {
    background: rgba(13, 202, 240, 0.1);
    padding: 1.25rem 1.75rem;
    border-radius: 12px;
    border: 1px solid rgba(13, 202, 240, 0.3);
    margin-top: 1.5rem;
    font-size: 1rem;
    color: rgba(255,255,255,0.95);
}

.step-highlight strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Comparison Section */
.comparison-section {
    padding: 100px 0;
    background: white;
}

.comparison-container {
    max-width: 1000px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.comparison-table {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    border: 2px solid var(--border-color);
}

.comparison-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.5rem;
    padding: 2rem 2.5rem;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    color: white;
    font-weight: 700;
    font-size: 1.15rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1.5rem;
    padding: 1.75rem 2.5rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    transition: background 0.2s ease;
}

.comparison-row:hover {
    background: var(--bg-light);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row .feature-name {
    font-weight: 600;
    color: var(--text-dark);
}

.check-icon {
    color: var(--success-color);
    font-size: 1.5rem;
    text-align: center;
}

.cross-icon {
    color: #ef4444;
    font-size: 1.5rem;
    text-align: center;
}

/* SEO Content Section */
.seo-content-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(13,202,240,0.03) 0%, rgba(124,58,237,0.03) 100%);
}

.seo-content-card {
    background: white;
    padding: 3.5rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.seo-content-card:hover {
    box-shadow: 0 12px 35px rgba(13, 202, 240, 0.12);
    border-color: var(--primary-color);
}

.seo-content-card h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 1rem;
}

.seo-content-card h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0dcaf0 0%, #7c3aed 100%);
    border-radius: 2px;
}

.seo-content-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.seo-content-card h3::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    border-radius: 50%;
    flex-shrink: 0;
}

.seo-content-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.seo-content-card p strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 992px) {
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1.5fr 1fr 1fr;
        font-size: 0.95rem;
        padding: 1.5rem 1.5rem;
    }
    
    .seo-content-card {
        padding: 2.5rem 2rem;
    }
    
    .seo-content-card h2 {
        font-size: 2rem;
    }
    
    .step-item {
        grid-template-columns: 80px 1fr;
        gap: 2rem;
    }
    
    .step-number {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }
    
    .step-content h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .comparison-header > div:first-child,
    .comparison-row > div:first-child {
        font-weight: 700;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .step-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .step-item::before {
        display: none;
    }
    
    .step-number {
        margin: 0 auto;
    }
}

/* Sticky Section Navigation */
.section-nav {
    position: -webkit-sticky;
    position: sticky;
    top: 80px;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    background: linear-gradient(135deg, rgba(255, 182, 193, 0.5) 0%, rgba(255, 192, 203, 0.5) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 182, 193, 0.3);
    z-index: 9999;
    box-shadow: 0 4px 20px rgba(255, 182, 193, 0.15), 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0.5rem 2rem;
    overflow-x: auto;
    scrollbar-width: thin;
    gap: 0.25rem;
    justify-content: center;
}

.section-nav-list::-webkit-scrollbar {
    height: 3px;
}

.section-nav-list::-webkit-scrollbar-track {
    background: transparent;
}

.section-nav-list::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, #0dcaf0 0%, #7c3aed 100%);
    border-radius: 10px;
}

.section-nav-item {
    white-space: nowrap;
}

.section-nav-link {
    display: block;
    padding: 0.875rem 1.5rem;
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    border-bottom: 3px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.section-nav-link:hover {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(13,202,240,0.08) 0%, rgba(124,58,237,0.08) 100%);
}

.section-nav-link.active {
    color: var(--primary-color);
    background: transparent;
    border-bottom-color: var(--primary-color);
}

.section-nav-toggle {
    display: none;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    color: white;
    border: none;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
}

.section-nav-toggle:hover {
    background: linear-gradient(135deg, #0bb8d4 0%, #6b32c9 100%);
    box-shadow: 0 2px 8px rgba(13, 202, 240, 0.3);
}

.section-nav-toggle:active {
    transform: scale(0.98);
}

.section-nav-toggle i {
    float: right;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-nav-toggle.open i {
    transform: rotate(180deg);
}

.section-nav-close {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-gray);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-nav-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-dark);
}

.section-nav.hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.section-nav-show-btn {
    position: fixed;
    top: 90px;
    right: 20px;
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px rgba(13, 202, 240, 0.4);
    z-index: 9998;
    transition: all 0.3s ease;
}

.section-nav-show-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(13, 202, 240, 0.5);
}

.section-nav-show-btn.visible {
    display: flex;
}

@media (max-width: 768px) {
    .section-nav-close {
        display: none;
    }
    
    .section-nav-show-btn {
        display: none !important;
    }
    
    .section-nav-toggle {
        display: block;
    }
    
    .section-nav-list {
        display: none;
        flex-direction: column;
        max-height: 60vh;
        overflow-y: auto;
        padding: 0;
    }
    
    .section-nav-list.open {
        display: flex;
    }
    
    .section-nav-link {
        border-bottom: none;
        border-left: 3px solid transparent;
    }
    
    .section-nav-link.active {
        color: var(--primary-color);
        background: linear-gradient(135deg, rgba(13,202,240,0.08) 0%, rgba(124,58,237,0.08) 100%);
        border-left-color: var(--primary-color);
        border-bottom-color: transparent;
    }
}

/* FAQ Accordion Styles */
.faq-item {
    cursor: pointer;
    user-select: none;
}

.faq-item h5 {
    position: relative;
    padding-right: 3rem;
}

.faq-item h5::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item.open h5::after {
    transform: translateY(-50%) rotate(180deg);
}

.faq-item p {
    max-height: 0;
    overflow: hidden;
    padding: 0 2rem;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open p {
    max-height: 500px;
    padding: 0 2rem 1.75rem 2rem;
}

/* Inline styles moved to CSS classes */
.hero-cta-container {
    margin: 2rem 0;
}

.cta-button-demo {
    background: white;
    color: var(--primary-color);
    margin: 0.5rem;
}

.cta-button-purchase {
    margin: 0.5rem;
}

.contextual-link {
    color: var(--primary-color);
}

.contextual-link-accent {
    color: var(--accent-color);
}

.feature-card-highlighted {
    border: 3px solid #10b981;
    background: linear-gradient(135deg, rgba(16,185,129,0.05) 0%, rgba(16,185,129,0.1) 100%);
}

.feature-icon-green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.cta-button-gradient {
    background: linear-gradient(135deg, #0dcaf0 0%, #7c3aed 100%);
    color: white;
}

.benefit-item-red {
    border-color: #ef4444;
}

.benefit-icon-red {
    background: #ef4444;
}

.section-label-transparent {
    background: rgba(255,255,255,0.2);
}

.comparison-header {
    text-align: center;
}

.faq-icon {
    color: var(--accent-color);
}
