:root {
    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-secondary: #1e3a8a;
    --color-text: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-card: rgba(30, 41, 59, 0.7);
    --color-border: rgba(255, 255, 255, 0.1);
    
    --font-main: 'Inter', sans-serif;
    --radius: 12px;
    --radius-lg: 24px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--color-text-muted);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: white;
}

/* Sections */
.section {
    padding: 100px 0;
}

.bg-alt {
    background-color: var(--color-bg-alt);
}

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--color-bg), var(--color-secondary));
}

.text-center {
    text-align: center;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.text-gradient {
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.glass-panel {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.wave-animation {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    gap: 8px;
    height: 60px;
    margin-bottom: 20px;
}

.wave-animation .bar {
    width: 12px;
    background-color: var(--color-primary);
    border-radius: 6px;
    animation: wave 1s ease-in-out infinite alternate;
}

.wave-animation .bar:nth-child(1) { animation-delay: 0.1s; height: 30%; }
.wave-animation .bar:nth-child(2) { animation-delay: 0.2s; height: 60%; }
.wave-animation .bar:nth-child(3) { animation-delay: 0.3s; height: 100%; }
.wave-animation .bar:nth-child(4) { animation-delay: 0.4s; height: 70%; }
.wave-animation .bar:nth-child(5) { animation-delay: 0.5s; height: 40%; }

@keyframes wave {
    0% { transform: scaleY(0.5); }
    100% { transform: scaleY(1); }
}

.status {
    color: #4ade80;
    font-weight: 500;
    font-size: 0.9rem;
}

.bg-gradient {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
    z-index: 1;
    pointer-events: none;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    padding: 30px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.5);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-card .icon {
    width: 50px;
    height: 50px;
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--color-text-muted);
}

/* How It Works */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.step-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    flex: 1;
    min-width: 250px;
    position: relative;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 20px;
    color: white;
}

.step-card h3 {
    margin-bottom: 10px;
}

.step-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.step-arrow {
    color: var(--color-primary);
    display: flex;
}

/* Comparison Table */
.table-responsive {
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-card);
    border-radius: var(--radius);
    overflow: hidden;
}

.compare-table th, .compare-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.compare-table th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
}

.highlight-col {
    background: rgba(59, 130, 246, 0.1);
    color: white;
}

.compare-table tr:last-child td {
    border-bottom: none;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-card h3 {
    display: inline-block;
    font-size: 3.5rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.stat-card span {
    font-size: 2rem;
    color: var(--color-primary);
    font-weight: 700;
}

.stat-card p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    padding: 30px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.3);
}

.stars {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.review-text {
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 0.9rem;
    color: white;
}

.reviewer h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.reviewer span {
    font-size: 0.8rem;
    color: var(--color-primary);
}

/* CTA */
.cta-title {
    font-size: 3rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.compatibility-note {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Footer */
.footer {
    background: #0b1120;
    padding: 80px 0 20px;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--color-text-muted);
}

.footer-links h4, .footer-social h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text-muted);
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--color-primary);
    color: white;
}

.copyright {
    text-align: center;
    color: rgba(148, 163, 184, 0.5);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content p {
        margin: 0 auto 40px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        margin-top: 50px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-card {
        width: 100%;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .cta-title {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 60px 0;
    }
}